/* ============================================================
   SADA GROUP — DESIGN SYSTEM v5
   Layout is built on two rules:
     1. One documented z-index scale (--z-*). Nothing invents its own.
     2. Every section is a .panel — a box sitting on the 3D background.
   ============================================================ */

/* ── 1. DESIGN TOKENS ─────────────────────────────────────── */
:root {
  /* Palette — dark */
  --clr-bg:          #040812;
  --clr-bg-2:        #060d1e;
  --clr-bg-card:     rgba(8, 16, 38, 0.72);
  --clr-bg-glass:    rgba(10, 20, 48, 0.65);
  --clr-bg-elevated: rgba(14, 28, 64, 0.85);
  --clr-panel:       rgba(8, 15, 36, 0.62);
  --clr-panel-brd:   rgba(255, 255, 255, 0.07);

  /* Accents */
  --clr-a1:        #00f5d4;
  --clr-a2:        #7c3aed;
  --clr-a3:        #f59e0b;
  --clr-a4:        #00cc66;
  --clr-a1-dim:    rgba(0, 245, 212, 0.12);
  --clr-a1-border: rgba(0, 245, 212, 0.28);
  --clr-a2-dim:    rgba(124, 58, 237, 0.12);
  --clr-a2-border: rgba(124, 58, 237, 0.3);
  --clr-a3-dim:    rgba(245, 158, 11, 0.12);
  --clr-a4-dim:    rgba(0, 204, 102, 0.12);

  /* Text */
  --clr-text:       #e8f0fe;
  --clr-text-2:     #8899bb;
  --clr-text-muted: #5a6b90;

  /* Borders & status */
  --clr-border:   rgba(255, 255, 255, 0.06);
  --clr-border-h: rgba(0, 245, 212, 0.22);
  --clr-success:  #10b981;
  --clr-warning:  #f59e0b;
  --clr-error:    #ef4444;

  /* Gradients */
  --grad-hero:
    radial-gradient(ellipse 80% 60% at 12% 40%, rgba(124,58,237,0.16) 0%, transparent 58%),
    radial-gradient(ellipse 60% 45% at 88% 12%, rgba(0,245,212,0.11) 0%, transparent 52%),
    radial-gradient(ellipse 50% 50% at 50% 95%, rgba(0,204,102,0.06) 0%, transparent 45%);
  --grad-accent: linear-gradient(135deg, var(--clr-a1) 0%, var(--clr-a2) 100%);
  --grad-text:   linear-gradient(135deg, var(--clr-a1) 0%, #a78bfa 50%, var(--clr-a1) 100%);

  /* Typography — one family, IBM Plex, across the whole site */
  --font-display: "IBM Plex Sans Condensed", "IBM Plex Sans", "IBM Plex Sans Arabic", sans-serif;
  --font-body:    "IBM Plex Sans", "IBM Plex Sans Arabic", system-ui, -apple-system, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;
  /* Kurdish/Arabic: Plex first, Noto Kufi picks up any glyph Plex lacks. */
  --font-arabic:  "IBM Plex Sans Arabic", "Noto Kufi Arabic", "IBM Plex Sans", sans-serif;

  /* Every step scales with the viewport, so nothing is ever cramped
     on a phone or oversized on a 4K monitor. */
  --text-xs:   clamp(0.76rem, 0.73rem + 0.15vw, 0.85rem);
  --text-sm:   clamp(0.875rem, 0.84rem + 0.18vw, 0.97rem);
  --text-base: clamp(1rem, 0.96rem + 0.22vw, 1.12rem);
  --text-lg:   clamp(1.1rem, 1.04rem + 0.32vw, 1.3rem);
  --text-xl:   clamp(1.24rem, 1.15rem + 0.45vw, 1.5rem);
  --text-2xl:  clamp(1.42rem, 1.28rem + 0.7vw, 1.85rem);
  --text-3xl:  clamp(1.7rem, 1.45rem + 1.15vw, 2.3rem);
  --text-4xl:  clamp(2.05rem, 1.65rem + 1.8vw, 2.95rem);
  --text-5xl:  clamp(2.5rem, 1.9rem + 2.9vw, 3.8rem);
  --text-6xl:  clamp(3rem, 2.1rem + 4.4vw, 4.9rem);

  --w-light: 300; --w-regular: 400; --w-medium: 500; --w-semi: 600; --w-bold: 700;
  --lh-tight: 1.18; --lh-snug: 1.35; --lh-normal: 1.55; --lh-relaxed: 1.75;
  --measure: 68ch;

  /* Spacing */
  --s1: 0.25rem; --s2: 0.5rem;  --s3: 0.75rem; --s4: 1rem;
  --s5: 1.25rem; --s6: 1.5rem;  --s8: 2rem;    --s10: 2.5rem;
  --s12: 3rem;   --s16: 4rem;   --s20: 5rem;   --s24: 6rem;

  /* Radius */
  --r-sm: 4px; --r-md: 8px; --r-lg: 12px; --r-xl: 16px;
  --r-2xl: 24px; --r-3xl: 32px; --r-full: 9999px;

  /* Shadows */
  --sh-sm:      0 2px 8px rgba(0,0,0,0.5);
  --sh-md:      0 4px 24px rgba(0,0,0,0.6);
  --sh-lg:      0 8px 48px rgba(0,0,0,0.7);
  --sh-card:    0 4px 32px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.05);
  --sh-panel:   0 12px 60px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.06);
  --sh-glow-a1: 0 0 40px rgba(0,245,212,0.18);

  /* Transitions */
  --t-fast:   150ms cubic-bezier(0.4,0,0.2,1);
  --t-base:   280ms cubic-bezier(0.4,0,0.2,1);
  --t-slow:   500ms cubic-bezier(0.4,0,0.2,1);
  --t-spring: 600ms cubic-bezier(0.34,1.56,0.64,1);

  /* Layout */
  --max-w:      1200px;
  --nav-h:      72px;
  --section-py: clamp(3.5rem, 7vw, 6rem);
  --panel-p:    clamp(1.5rem, 4vw, 3.5rem);

  /* ── The z-index scale. Every layered element uses one of these. ── */
  --z-canvas:    0;    /* 3D background            */
  --z-content:   1;    /* main, footer             */
  --z-raise:     2;    /* in-panel raised bits     */
  --z-scrolltop: 300;  /* back-to-top button       */
  --z-menu:      380;  /* mobile menu drawer       */
  --z-navbar:    400;  /* fixed navbar (above it)  */
  --z-modal:     600;  /* project modal            */
  --z-toast:     700;  /* toasts                   */
  --z-progress:  800;  /* scroll progress bar      */
  --z-loader:    900;  /* first-paint loader       */
  --z-skip:      950;  /* skip link                */
  --z-cursor:    1000; /* custom cursor            */
}

/* ── LIGHT THEME ──────────────────────────────────────────── */
[data-theme="light"] {
  /* Three clearly separated levels: the page is the darkest, the panel
     sits a step above it, and cards are the only pure white on screen.
     Without that ladder every surface merged into one flat sheet. */
  --clr-bg:          #ccd8ec;   /* page, behind everything */
  --clr-bg-2:        #bccbe4;
  --clr-panel:       #eef3fb;   /* section panels          */
  --clr-bg-card:     #ffffff;   /* cards on top of panels  */
  --clr-bg-glass:    rgba(248,251,255,0.92);
  --clr-bg-elevated: #ffffff;
  --clr-panel-brd:   rgba(16,42,92,0.18);

  --clr-a1: #0069cf; --clr-a2: #6d28d9; --clr-a3: #c2740a; --clr-a4: #047857;
  --clr-a1-dim:    rgba(0,105,207,0.09);
  --clr-a1-border: rgba(0,105,207,0.22);
  --clr-a2-dim:    rgba(109,40,217,0.09);
  --clr-a2-border: rgba(109,40,217,0.22);
  --clr-a3-dim:    rgba(194,116,10,0.1);
  --clr-a4-dim:    rgba(4,120,87,0.1);

  --clr-text:       #0a1020;
  --clr-text-2:     #35486f;
  --clr-text-muted: #56688c;

  --clr-border:   rgba(16,42,92,0.15);
  --clr-border-h: rgba(0,105,207,0.42);

  --grad-hero:
    radial-gradient(ellipse 80% 60% at 12% 40%, rgba(109,40,217,0.1) 0%, transparent 58%),
    radial-gradient(ellipse 60% 45% at 88% 12%, rgba(0,105,207,0.1) 0%, transparent 52%),
    radial-gradient(ellipse 70% 50% at 50% 100%, rgba(4,120,87,0.06) 0%, transparent 50%);
  --grad-text: linear-gradient(135deg, var(--clr-a1) 0%, var(--clr-a2) 50%, var(--clr-a1) 100%);

  --sh-sm:      0 1px 3px rgba(16,42,92,0.12);
  --sh-md:      0 4px 16px rgba(16,42,92,0.14);
  --sh-card:    0 1px 2px rgba(16,42,92,0.09), 0 6px 20px rgba(16,42,92,0.09);
  --sh-panel:   0 2px 6px rgba(16,42,92,0.08), 0 18px 48px rgba(16,42,92,0.13);
  --sh-lg:      0 12px 40px rgba(16,42,92,0.18);
  --sh-glow-a1: 0 6px 26px rgba(0,105,207,0.22);
}

/* The neon 3D field is tuned for the dark theme; at full strength it
   washes the light theme out, so it steps back and lets the UI lead. */
[data-theme="light"] #bg-canvas { opacity: 0.4; }
[data-theme="light"] .glass-card,
[data-theme="light"] .service-card,
[data-theme="light"] .member-card,
[data-theme="light"] .stat-card,
[data-theme="light"] .project-card,
[data-theme="light"] .contact__form,
[data-theme="light"] .skill-item { border-color: rgba(16,42,92,0.19); }
[data-theme="light"] .panel::after { opacity: 0.55; }

/* ── 2. RESET ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + var(--s4));
  -webkit-text-size-adjust: 100%;
  /* Must live on <html>, not <body>. On <body> it makes the body its own
     scroll container, which stops IntersectionObserver from ever reporting
     an intersection with the viewport — every reveal section stays at
     opacity 0 forever. On <html> the value propagates to the viewport
     instead, so no extra scroll container is created. */
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  color: var(--clr-text);
  background: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  transition: background var(--t-slow), color var(--t-slow);
}

/* The custom cursor only replaces the native one on a real mouse.
   On touch/coarse pointers the native cursor stays put. */
@media (hover: hover) and (pointer: fine) {
  body:not(.no-custom-cursor),
  body:not(.no-custom-cursor) a,
  body:not(.no-custom-cursor) button,
  body:not(.no-custom-cursor) input,
  body:not(.no-custom-cursor) textarea { cursor: none; }
}

/* Scroll lock goes on <html> because <html> is the scrolling element. */
html.is-locked { overflow: hidden; }

[dir="rtl"] { font-family: var(--font-arabic); }
/* Arabic-script faces sit lower and need more room between lines. */
[dir="rtl"] p, [dir="rtl"] li { line-height: 1.95; }
[dir="rtl"] h1, [dir="rtl"] h2, [dir="rtl"] h3, [dir="rtl"] h4 { line-height: 1.45; }
[dir="rtl"] .ltr-force {
  direction: ltr;
  display: inline-block;
  text-align: start;
  font-family: var(--font-mono);
}

/* Arabic script is cursive and has no monospace cut here: letter-spacing
   pulls the joins apart and the mono stack falls back mid-word. Any label
   that carries translated copy drops both in RTL. Latin-only bits
   (.ltr-force, .font-mono values, counters) keep their treatment. */
[dir="rtl"] :is(
  .section-eyebrow, .hero__subtitle, .hero__eyebrow, .hero__scroll,
  .leader__role, .badge, .stat-card__label, .contact-info__label,
  .contact__socials-label, .member-card__primary-label,
  .member-card__tools-label, .deck__hint, .form-label,
  .available-pill, .team__members-title, .copy-btn, .loader__code,
  .hero__logo-caption, .projects__empty, .contact__note, .footer__tagline
) {
  font-family: var(--font-arabic);
  letter-spacing: normal;
  text-transform: none;
}

h1,h2,h3,h4,h5,h6 { line-height: var(--lh-tight); color: var(--clr-text); font-weight: var(--w-bold); }
p { line-height: var(--lh-relaxed); }
/* Long-form copy stops at a comfortable measure instead of running
   the full width of a wide panel. */
.about__text p, .leader__bio, .section-subtitle,
.hero__description, .footer__tagline { max-width: var(--measure); }
a { color: var(--clr-a1); text-decoration: none; transition: color var(--t-fast); }
img, video, svg, canvas { max-width: 100%; display: block; }
img { height: auto; }
button { font-family: var(--font-body); border: none; background: none; color: inherit; cursor: pointer; }
input, textarea, select { font-family: var(--font-body); font-size: var(--text-base); }
ul, ol { list-style: none; }
:focus-visible { outline: 2px solid var(--clr-a1); outline-offset: 3px; border-radius: var(--r-sm); }

.font-display { font-family: var(--font-display); }
.font-mono { font-family: var(--font-mono); }

/* ── 3. BACKGROUND CANVAS ─────────────────────────────────── */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-canvas);
  pointer-events: none;
  background: var(--grad-hero), var(--clr-bg);
}

/* ── 4. CURSOR ────────────────────────────────────────────── */
.cursor, .cursor-follower {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: var(--z-cursor);
  opacity: 0;
  transition: opacity var(--t-base), width var(--t-base), height var(--t-base), border-color var(--t-base);
}
body.cursor-ready .cursor, body.cursor-ready .cursor-follower { opacity: 1; }

.cursor {
  width: 9px; height: 9px;
  background: var(--clr-a1);
  border-radius: 50%;
}
.cursor-follower {
  width: 36px; height: 36px;
  border: 1.5px solid var(--clr-a1-border);
  border-radius: 50%;
}
body.cursor--hover .cursor { width: 16px; height: 16px; background: var(--clr-a2); }
body.cursor--hover .cursor-follower { width: 54px; height: 54px; border-color: var(--clr-a2-border); }

@media (hover: none), (pointer: coarse) {
  .cursor, .cursor-follower { display: none; }
}

/* ── 5. SCROLL PROGRESS ───────────────────────────────────── */
#scroll-progress {
  position: fixed;
  inset-block-start: 0;
  inset-inline-start: 0;
  height: 3px;
  width: 0;
  background: var(--grad-accent);
  z-index: var(--z-progress);
  transition: width 0.1s linear;
  box-shadow: 0 0 10px var(--clr-a1);
  pointer-events: none;
}

/* ── 6. LOADER ────────────────────────────────────────────── */
.loader {
  position: fixed; inset: 0;
  background: var(--clr-bg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: var(--s6);
  z-index: var(--z-loader);
  transition: opacity 0.7s ease, visibility 0.7s ease;
}
.loader.done { opacity: 0; visibility: hidden; pointer-events: none; }

.loader__inner {
  position: relative; width: 120px; height: 120px;
  display: grid; place-items: center;
}
.loader__ring {
  position: absolute; border-radius: 50%;
  border: 2px solid transparent; animation: spin 2s linear infinite;
}
.loader__ring:nth-child(1) { width: 120px; height: 120px; border-top-color: var(--clr-a1); animation-duration: 1.5s; }
.loader__ring:nth-child(2) { width: 90px;  height: 90px;  border-inline-end-color: var(--clr-a2); animation-duration: 2s; animation-direction: reverse; }
.loader__ring:nth-child(3) { width: 60px;  height: 60px;  border-bottom-color: var(--clr-a4); animation-duration: 1s; }

.loader__text { font-size: var(--text-base); color: var(--clr-a1); font-weight: var(--w-bold); letter-spacing: 0.1em; }
.loader__name { font-family: var(--font-display); font-size: var(--text-4xl); letter-spacing: 0.25em; }
.loader__code { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--clr-a4); opacity: 0.5; animation: blinkCode 1.8s infinite; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes blinkCode { 0%,100% { opacity: 0.3; } 50% { opacity: 0.7; } }

/* ── 7. SKIP LINK ─────────────────────────────────────────── */
.skip-link {
  position: fixed;
  inset-block-start: -100px;
  inset-inline-start: var(--s4);
  background: var(--clr-a1); color: #04121a;
  padding: var(--s3) var(--s5); border-radius: var(--r-md);
  font-weight: var(--w-semi); z-index: var(--z-skip);
  transition: inset-block-start var(--t-fast);
}
.skip-link:focus { inset-block-start: var(--s3); }

/* ── 8. LAYOUT ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(var(--s4), 4vw, var(--s10));
  position: relative;
}

main { position: relative; z-index: var(--z-content); }

.section { padding-block: var(--section-py); position: relative; }
#hero + .section { padding-block-start: calc(var(--section-py) * 0.6); }

/* ── 9. PANEL — the box every section sits in ─────────────── */
.panel {
  position: relative;
  transition: border-color var(--t-slow), box-shadow var(--t-slow), background var(--t-slow);
  background: var(--clr-panel);
  border: 1px solid var(--clr-panel-brd);
  border-radius: var(--r-3xl);
  padding: var(--panel-p);
  box-shadow: var(--sh-panel);
  backdrop-filter: blur(22px) saturate(130%);
  -webkit-backdrop-filter: blur(22px) saturate(130%);
  overflow: hidden;
}
/* Hairline highlight along the top edge */
.panel::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-a1-border), transparent);
  pointer-events: none;
}
/* Soft accent bloom in one corner so panels read as lit, not flat */
.panel::after {
  content: "";
  position: absolute;
  inset-block-start: -120px;
  inset-inline-end: -120px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, var(--clr-a1-dim) 0%, transparent 70%);
  pointer-events: none;
}
.panel > * { position: relative; z-index: var(--z-raise); }

/* ── 10. SECTION HEADINGS ─────────────────────────────────── */
.section-head { margin-block-end: var(--s10); max-width: 720px; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .section-eyebrow { justify-content: center; }
.section-head--center .section-subtitle { margin-inline: auto; }

.section-eyebrow {
  display: inline-flex; align-items: center; gap: var(--s2);
  font-family: var(--font-mono); font-size: var(--text-xs);
  font-weight: var(--w-medium); letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--clr-a1);
  margin-block-end: var(--s3);
}
.section-eyebrow::before {
  content: ""; width: 28px; height: 1px; background: var(--clr-a1); flex-shrink: 0;
}

.section-title {
  font-size: clamp(var(--text-3xl), 4.5vw, var(--text-5xl));
  margin-block-end: var(--s3);
  overflow-wrap: break-word;
}
.section-subtitle {
  font-size: var(--text-lg);
  color: var(--clr-text-2);
  max-width: 620px;
  line-height: var(--lh-relaxed);
}

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  background-size: 200% auto;
  animation: gradientShift 5s linear infinite;
}
@keyframes gradientShift {
  0% { background-position: 0% center; } 100% { background-position: 200% center; }
}

/* ── 11. LOGO MARK ────────────────────────────────────────── */
.logo-mark {
  --logo-size: 38px;
  position: relative;
  display: grid; place-items: center;
  width: var(--logo-size); height: var(--logo-size);
  flex-shrink: 0;
  border-radius: calc(var(--logo-size) / 5);
  overflow: hidden;
  background: var(--clr-bg-elevated);
  border: 1px solid var(--clr-a1-border);
}
.logo-mark img { width: 100%; height: 100%; object-fit: cover; }
.logo-mark__text {
  display: none;
  font-family: var(--font-display);
  font-size: calc(var(--logo-size) / 2.4);
  letter-spacing: 0.08em;
  color: var(--clr-a1);
}
.logo-mark--fallback { background: var(--grad-accent); border-color: transparent; }
.logo-mark--fallback .logo-mark__text { display: block; color: #fff; }

/* ── 12. NAVBAR ───────────────────────────────────────────── */
.navbar {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  height: var(--nav-h);
  z-index: var(--z-navbar);
}
.navbar__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s4);
  height: 100%;
  padding-inline: clamp(var(--s4), 4vw, var(--s10));
  border-block-end: 1px solid transparent;
  transition: background var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}
.navbar.scrolled .navbar__inner {
  background: var(--clr-bg-glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-block-end-color: var(--clr-border);
  box-shadow: 0 4px 32px rgba(0,0,0,0.3);
}
[data-theme="light"] .navbar.scrolled .navbar__inner {
  background: rgba(245,248,255,0.9);
  box-shadow: 0 4px 24px rgba(0,30,100,0.08);
}

.navbar__logo {
  display: flex; align-items: center; gap: var(--s3);
  color: var(--clr-text); flex-shrink: 0;
}
.navbar__logo-name {
  font-family: var(--font-display);
  font-size: 1.5rem; letter-spacing: 0.1em; line-height: 1;
  white-space: nowrap;
}
[dir="rtl"] .navbar__logo-name { font-family: var(--font-display); direction: ltr; }
.navbar__logo-dot { color: var(--clr-a1); }
.navbar__logo:hover .navbar__logo-name { color: var(--clr-a1); }

.navbar__links { display: flex; align-items: center; gap: var(--s1); min-width: 0; }

.nav-link {
  font-size: var(--text-sm); font-weight: var(--w-medium);
  color: var(--clr-text-2);
  padding: var(--s2) var(--s3);
  border-radius: var(--r-md);
  transition: color var(--t-fast), background var(--t-fast);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active { color: var(--clr-a1); background: var(--clr-a1-dim); }

.navbar__actions { display: flex; align-items: center; gap: var(--s2); flex-shrink: 0; }

.icon-btn {
  display: grid; place-items: center;
  width: 42px; height: 42px;
  border-radius: var(--r-lg);
  color: var(--clr-text-2);
  border: 1px solid var(--clr-border);
  background: transparent;
  transition: all var(--t-fast);
}
.icon-btn:hover { color: var(--clr-a1); border-color: var(--clr-a1-border); background: var(--clr-a1-dim); }

/* Language dropdown */
.lang-dropdown { position: relative; }
.lang-btn {
  display: flex; align-items: center; gap: var(--s2);
  height: 42px; padding-inline: var(--s3);
  border-radius: var(--r-lg);
  color: var(--clr-text-2);
  border: 1px solid var(--clr-border);
  font-family: var(--font-mono); font-size: var(--text-xs);
  font-weight: var(--w-semi); letter-spacing: 0.08em;
  transition: all var(--t-fast);
}
.lang-btn:hover { color: var(--clr-a1); border-color: var(--clr-a1-border); background: var(--clr-a1-dim); }

.lang-menu {
  position: absolute;
  inset-block-start: calc(100% + var(--s2));
  inset-inline-end: 0;
  min-width: 220px;
  background: var(--clr-bg-elevated);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  padding: var(--s2);
  box-shadow: var(--sh-lg);
  backdrop-filter: blur(20px);
  opacity: 0; visibility: hidden;
  transform: translateY(-8px) scale(0.97);
  transition: all var(--t-base);
}
.lang-menu.open { opacity: 1; visibility: visible; transform: none; }

.lang-option {
  display: flex; align-items: center; gap: var(--s3);
  width: 100%; padding: var(--s3) var(--s4);
  border-radius: var(--r-lg);
  font-size: var(--text-sm); color: var(--clr-text-2);
  text-align: start;
  transition: all var(--t-fast);
}
.lang-option:hover { background: var(--clr-a1-dim); color: var(--clr-a1); }
.lang-option.selected { color: var(--clr-a1); font-weight: var(--w-semi); background: var(--clr-a1-dim); }
.lang-option__flag { font-size: var(--text-xl); }
.lang-option__name { flex: 1; }
.lang-option__code { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--clr-text-muted); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column; align-items: center; justify-content: center;
  gap: 5px; width: 42px; height: 42px;
  border-radius: var(--r-lg); border: 1px solid var(--clr-border);
  transition: all var(--t-fast);
}
.hamburger:hover { border-color: var(--clr-a1-border); background: var(--clr-a1-dim); }
.hamburger__line {
  width: 20px; height: 2px; background: var(--clr-text-2);
  border-radius: var(--r-full); transition: all var(--t-base);
}
.hamburger.open .hamburger__line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open .hamburger__line:nth-child(2) { opacity: 0; }
.hamburger.open .hamburger__line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer — sits below the navbar so the hamburger stays clickable */
.mobile-menu {
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  z-index: var(--z-menu);
  background: var(--clr-bg-glass);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  overflow-y: auto;
  opacity: 0; visibility: hidden;
  transform: translateY(-12px);
  transition: opacity var(--t-base), transform var(--t-base), visibility var(--t-base);
}
[data-theme="light"] .mobile-menu { background: rgba(238,243,252,0.96); }
.mobile-menu.open { opacity: 1; visibility: visible; transform: none; }
.mobile-menu__inner {
  display: flex; flex-direction: column; gap: var(--s1);
  padding: var(--s6) clamp(var(--s4), 5vw, var(--s10)) var(--s16);
}
.mobile-menu .nav-link {
  font-size: var(--text-lg); font-weight: var(--w-semi);
  padding: var(--s4) var(--s3);
  border-block-end: 1px solid var(--clr-border);
  border-radius: 0;
}
.mobile-menu__cta { margin-block-start: var(--s6); }

/* ── 13. BUTTONS ──────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--s2);
  padding: var(--s3) var(--s5);
  min-height: 46px;
  border-radius: var(--r-lg);
  font-size: var(--text-base); font-weight: var(--w-semi);
  line-height: 1.2;
  border: 2px solid transparent;
  text-align: center;
  transition: transform var(--t-base), box-shadow var(--t-base), background var(--t-base), color var(--t-base), border-color var(--t-base);
}
.btn { position: relative; overflow: hidden; }
/* A light sweeps across the button on hover. */
.btn::after {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: -60%;
  width: 45%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.28), transparent);
  transform: skewX(-18deg);
  transition: inset-inline-start 620ms cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}
.btn:hover::after { inset-inline-start: 120%; }
.btn svg { flex-shrink: 0; position: relative; }
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.55; pointer-events: none; }

.btn--primary {
  background: var(--grad-accent); color: #fff;
  box-shadow: 0 4px 20px rgba(0,245,212,0.2);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,245,212,0.3); }
[data-theme="light"] .btn--primary { box-shadow: 0 4px 16px rgba(0,105,207,0.22); }

.btn--outline { color: var(--clr-a1); border-color: var(--clr-a1); background: transparent; }
.btn--outline:hover { background: var(--clr-a1-dim); transform: translateY(-2px); }

.btn--ghost { color: var(--clr-text-2); border-color: var(--clr-border); background: transparent; }
.btn--ghost:hover { color: var(--clr-a1); border-color: var(--clr-a1-border); background: var(--clr-a1-dim); }

.btn--sm { min-height: 38px; padding: var(--s2) var(--s4); font-size: var(--text-sm); }
.btn--lg { min-height: 54px; padding: var(--s4) var(--s6); font-size: var(--text-lg); }
.btn--full { width: 100%; }

.btn__spinner {
  width: 16px; height: 16px; flex-shrink: 0;
  border: 2px solid rgba(255,255,255,0.35);
  border-block-start-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ── 14. BADGES & TAGS ────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: var(--s1);
  padding: var(--s1) var(--s3);
  border-radius: var(--r-full);
  font-size: var(--text-xs); font-weight: var(--w-semi);
  letter-spacing: 0.04em; white-space: nowrap;
  border: 1px solid transparent;
}
.badge--accent  { background: var(--clr-a1-dim); color: var(--clr-a1); border-color: var(--clr-a1-border); }
.badge--purple  { background: var(--clr-a2-dim); color: var(--clr-a2); border-color: var(--clr-a2-border); }
.badge--success { background: rgba(16,185,129,0.12); color: var(--clr-success); border-color: rgba(16,185,129,0.3); }
.badge--warning { background: var(--clr-a3-dim); color: var(--clr-a3); border-color: rgba(245,158,11,0.3); }
.badge--muted   { background: var(--clr-border); color: var(--clr-text-2); border-color: var(--clr-border); }
.badge--new {
  background: var(--grad-accent); color: #fff;
  border-color: transparent; letter-spacing: 0.12em;
  box-shadow: 0 2px 12px rgba(0,245,212,0.35);
  animation: pulseNew 2.4s ease-in-out infinite;
}
@keyframes pulseNew {
  0%,100% { box-shadow: 0 2px 12px rgba(0,245,212,0.35); }
  50%     { box-shadow: 0 2px 22px rgba(0,245,212,0.6); }
}

.tech-tag {
  display: inline-block;
  padding: var(--s1) var(--s3);
  border-radius: var(--r-md);
  background: var(--clr-a1-dim);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  white-space: nowrap;
  /* Tech names and "+3" counters are Latin — keep them LTR inside RTL pages. */
  direction: ltr;
  unicode-bidi: isolate;
}
.tech-tag--more { color: var(--clr-a1); }

/* ── 15. GLASS CARD (shared card surface) ─────────────────── */
.glass-card, .service-card, .member-card, .stat-card, .project-card, .contact__form, .skill-item {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-2xl);
  box-shadow: var(--sh-card);
  transition:
    transform var(--t-spring),
    border-color var(--t-base),
    box-shadow var(--t-base),
    background var(--t-base);
}

/* A soft accent wash that fades in under the pointer. */
.service-card, .stat-card, .project-card, .skill-item { position: relative; isolation: isolate; }
.service-card::after, .stat-card::after, .skill-item::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 50% 0%, var(--clr-a1-dim), transparent 70%);
  opacity: 0;
  transition: opacity var(--t-base);
  pointer-events: none;
  z-index: -1;
}
.service-card:hover::after, .stat-card:hover::after, .skill-item:hover::after { opacity: 1; }
.skill-item:hover { transform: translateY(-3px); border-color: var(--clr-border-h); }

/* ── 16. REVEAL ANIMATIONS ────────────────────────────────── */
.reveal, .reveal--left, .reveal--right {
  opacity: 0;
  transition:
    opacity 680ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 680ms cubic-bezier(0.16, 1, 0.3, 1),
    filter 680ms ease;
  filter: blur(6px);
  will-change: opacity, transform;
}
.reveal.visible, .reveal--left.visible, .reveal--right.visible { filter: blur(0); }
.reveal { transform: translateY(32px) scale(0.985); }
.reveal--left { transform: translateX(-28px); }
.reveal--right { transform: translateX(28px); }
[dir="rtl"] .reveal--left { transform: translateX(28px); }
[dir="rtl"] .reveal--right { transform: translateX(-28px); }
.reveal.visible, .reveal--left.visible, .reveal--right.visible {
  opacity: 1; transform: none;
}

[data-stagger] > * {
  opacity: 0; transform: translateY(22px) scale(0.97);
  transition:
    opacity 560ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 560ms cubic-bezier(0.16, 1, 0.3, 1);
}
[data-stagger] > *.visible { opacity: 1; transform: none; }

/* ── 17. HERO ─────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding-block: calc(var(--nav-h) + var(--s12)) var(--s24);
  overflow: hidden;
}
.hero__aura {
  position: absolute; inset: 0;
  background: var(--grad-hero);
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(var(--s8), 5vw, var(--s20));
  align-items: center;
}

.hero__content { min-width: 0; }

.hero__eyebrow {
  display: inline-flex; align-items: center; gap: var(--s2);
  padding: var(--s2) var(--s4);
  border-radius: var(--r-full);
  background: var(--clr-a1-dim);
  border: 1px solid var(--clr-a1-border);
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: 0.16em; color: var(--clr-a1);
  margin-block-end: var(--s5);
}
.hero__eyebrow-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--clr-a1); flex-shrink: 0;
  animation: pulseDot 2s infinite;
}
@keyframes pulseDot {
  0%,100% { opacity: 1; transform: scale(1); }
  50%     { opacity: 0.4; transform: scale(0.8); }
}

.hero__heading { margin-block-end: var(--s5); }
.hero__name-wrap { display: block; overflow: hidden; }
.hero__name {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(3rem, 11vw, 7rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  animation: riseIn 0.9s cubic-bezier(0.16,1,0.3,1) both;
}
[dir="rtl"] .hero__name { font-family: var(--font-arabic); font-size: clamp(2.2rem, 8vw, 4.5rem); line-height: 1.2; }
.hero__name--sub {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  background-size: 200% auto;
  animation: riseIn 0.9s 0.12s cubic-bezier(0.16,1,0.3,1) both, gradientShift 5s linear infinite;
}
@keyframes riseIn {
  from { opacity: 0; transform: translateY(100%); }
  to   { opacity: 1; transform: none; }
}

.hero__title {
  font-size: clamp(var(--text-xl), 2.5vw, var(--text-3xl));
  font-weight: var(--w-semi);
  color: var(--clr-text);
  margin-block-end: var(--s2);
}
.hero__subtitle {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--clr-a1);
  letter-spacing: 0.08em;
  margin-block-end: var(--s5);
}
.hero__description {
  font-size: var(--text-lg);
  color: var(--clr-text-2);
  max-width: 620px;
  margin-block-end: var(--s8);
}

.hero__actions {
  display: flex; flex-wrap: wrap; gap: var(--s4);
  margin-block-end: var(--s6);
}

.available-pill {
  display: inline-flex; align-items: center; gap: var(--s3);
  padding: var(--s3) var(--s5);
  border-radius: var(--r-full);
  background: rgba(16,185,129,0.09);
  border: 1px solid rgba(16,185,129,0.28);
  color: var(--clr-success);
  font-size: var(--text-sm); font-weight: var(--w-medium);
}
.available-pill__dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
  background: var(--clr-success);
  animation: pulseDot 2s infinite;
}

/* Hero visual */
.hero__visual {
  position: relative;
  display: grid; place-items: center;
  min-height: 340px;
}
.hero__orbit {
  position: absolute;
  border-radius: 50%;
  border: 1px dashed var(--clr-a1-border);
  pointer-events: none;
}
.hero__orbit--1 {
  width: min(420px, 92%); aspect-ratio: 1;
  animation: spin 26s linear infinite;
}
.hero__orbit--2 {
  width: min(320px, 74%); aspect-ratio: 1;
  border-color: var(--clr-a2-border);
  animation: spin 18s linear infinite reverse;
}
.hero__orbit-dot {
  position: absolute;
  inset-block-start: -5px; inset-inline-start: 50%;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--clr-a1);
  box-shadow: 0 0 16px var(--clr-a1);
}
.hero__orbit--2 .hero__orbit-dot { background: var(--clr-a2); box-shadow: 0 0 16px var(--clr-a2); }

.hero__logo-card {
  position: relative;
  display: flex; flex-direction: column; align-items: center; gap: var(--s4);
  padding: var(--s8);
  border-radius: var(--r-3xl);
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-a1-border);
  box-shadow: var(--sh-glow-a1), var(--sh-card);
  backdrop-filter: blur(20px);
  transition: transform var(--t-base);
}
.hero__logo-card .logo-mark {
  width: min(var(--logo-size), 46vw);
  height: auto; aspect-ratio: 1;
  border-radius: var(--r-2xl);
}
.hero__logo-caption {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clr-text-2);
  text-align: center;
}

.hero__scroll {
  position: absolute;
  inset-block-end: var(--s6);
  inset-inline-start: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: var(--s2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--clr-text-muted);
}
.hero__scroll-line {
  width: 1px; height: 42px;
  background: linear-gradient(to bottom, var(--clr-a1), transparent);
}
.hero__scroll:hover { color: var(--clr-a1); }

/* ── 18. ABOUT ────────────────────────────────────────────── */
.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: clamp(var(--s8), 4vw, var(--s16));
  align-items: start;
}
.about__text { display: flex; flex-direction: column; gap: var(--s4); min-width: 0; }
.about__text p { color: var(--clr-text-2); }
.about__highlight {
  padding: var(--s5);
  border-radius: var(--r-xl);
  background: var(--clr-a1-dim);
  border-inline-start: 3px solid var(--clr-a1);
  color: var(--clr-text) !important;
  font-weight: var(--w-medium);
}
.about__actions { display: flex; flex-wrap: wrap; gap: var(--s3); margin-block-start: var(--s2); }

.about__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s4);
}
.stat-card {
  display: flex; flex-direction: column; gap: var(--s1);
  padding: var(--s6) var(--s4);
  text-align: center;
}
.stat-card:hover { transform: translateY(-4px); border-color: var(--clr-border-h); }
.stat-card__value {
  font-family: var(--font-display);
  font-size: clamp(var(--text-4xl), 6vw, var(--text-5xl));
  line-height: 1;
  /* "10+" must stay "10+" in RTL, not flip to "+10". */
  direction: ltr;
  unicode-bidi: isolate;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.stat-card__label {
  font-size: var(--text-xs);
  color: var(--clr-text-2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ── 19. SERVICES ─────────────────────────────────────────── */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: var(--s5);
}
.service-card {
  display: flex; flex-direction: column; gap: var(--s3);
  padding: var(--s6);
  height: 100%;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--clr-border-h);
  box-shadow: var(--sh-glow-a1), var(--sh-card);
}
.service-card__icon {
  display: grid; place-items: center;
  width: 54px; height: 54px;
  border-radius: var(--r-xl);
  background: var(--clr-a1-dim);
  border: 1px solid var(--clr-a1-border);
  font-size: 1.6rem;
}
.service-card__title { font-size: var(--text-lg); }
.service-card__desc { font-size: var(--text-sm); color: var(--clr-text-2); }

/* The deck variant is one big card at a time, so it gets more room. */
.service-card--deck {
  gap: var(--s4);
  padding: clamp(var(--s5), 3.5vw, var(--s8));
  min-height: 260px;
}
.service-card--deck .service-card__title { font-size: var(--text-2xl); }
.service-card--deck .service-card__desc { font-size: var(--text-base); flex: 1; }
.service-card__top {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s3);
}
.service-card__index {
  font-size: var(--text-2xl);
  font-weight: var(--w-bold);
  color: var(--clr-a1);
  opacity: 0.3;
  direction: ltr;
}
.service-card__cta {
  display: inline-flex; align-items: center; gap: var(--s2);
  align-self: flex-start;
  font-size: var(--text-sm);
  font-weight: var(--w-semi);
  color: var(--clr-a1);
  transition: gap var(--t-spring);
}
.service-card__cta:hover { gap: var(--s4); }
[dir="rtl"] .service-card__cta svg { transform: scaleX(-1); }

/* The service deck sits a touch wider than the team deck. */
.deck--wide { max-width: 760px; }
.deck--wide .deck__card > .service-card {
  background-color: var(--clr-bg-2);
  background-image: linear-gradient(var(--clr-bg-card), var(--clr-bg-card));
  box-shadow: var(--sh-card);
  height: 100%;
}
.deck--wide .deck__card:not(.is-front) > .service-card > * {
  opacity: 0;
  transition: opacity 260ms ease;
}
.deck--wide .deck__card.is-front > .service-card > * {
  opacity: 1;
  transition: opacity 380ms ease 120ms;
}
.deck--wide .deck__card.is-front > .service-card {
  box-shadow: var(--sh-lg), 0 0 0 1px var(--clr-border-h);
  border-color: var(--clr-border-h);
}
.deck__card.is-front .service-card__icon { transform: rotate(-4deg) scale(1.05); }
.service-card__icon { transition: transform var(--t-spring); }

/* ── 22b. FLIP CARDS — project covers turn over ───────────── */
/* The wrapper carries no surface of its own: each face is the card. */
.flip-card, .project-card.flip-card {
  background: none !important;
  border: none !important;
  box-shadow: none !important;
  perspective: 1600px;
  overflow: visible;
}
.flip-card__inner {
  display: grid;
  transform-style: preserve-3d;
  transition: transform 720ms cubic-bezier(0.22, 1, 0.28, 1);
  height: 100%;
}
.flip-card.is-flipped .flip-card__inner { transform: rotateY(180deg); }

/* Both faces share one grid cell, so the card is as tall as the taller
   of the two and neither face can be clipped. */
.flip-card__face {
  grid-area: 1 / 1;
  display: flex;
  flex-direction: column;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  background-color: var(--clr-bg-2);
  background-image: linear-gradient(var(--clr-bg-card), var(--clr-bg-card));
  border: 1px solid var(--clr-border);
  border-radius: var(--r-2xl);
  box-shadow: var(--sh-card);
  overflow: hidden;
  transition: border-color var(--t-base), box-shadow var(--t-base);
}
.flip-card__face--back { transform: rotateY(180deg); }
.flip-card__face--back .section-eyebrow { margin-block-end: 0; }
.flip-card:hover .flip-card__face { border-color: var(--clr-border-h); box-shadow: var(--sh-lg); }

.project-card__back {
  display: flex; flex-direction: column; justify-content: center; gap: var(--s4);
  padding: var(--s6);
  flex: 1;
}
.project-card__back-desc { font-size: var(--text-sm); color: var(--clr-text-2); }
.project-card__back-block { display: flex; flex-direction: column; gap: var(--s3); }
.project-card__back-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-text-muted);
}

.flip-btn {
  display: grid; place-items: center;
  width: 38px; height: 38px;
  flex-shrink: 0;
  margin-inline-start: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-2);
  transition: transform 520ms cubic-bezier(0.22, 1, 0.28, 1),
              color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.flip-btn:hover {
  color: var(--clr-a1);
  border-color: var(--clr-a1-border);
  background: var(--clr-a1-dim);
  transform: rotate(180deg);
}
.flip-btn--back:hover { transform: rotate(-180deg); }

/* ── 20. TEAM ─────────────────────────────────────────────── */
.leader {
  display: grid;
  grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
  gap: clamp(var(--s6), 4vw, var(--s10));
  align-items: center;
  padding: clamp(var(--s5), 3vw, var(--s8));
  border-radius: var(--r-2xl);
  background: linear-gradient(135deg, var(--clr-a1-dim) 0%, transparent 60%), var(--clr-bg-card);
  border: 1px solid var(--clr-a1-border);
  box-shadow: var(--sh-card);
  margin-block-end: var(--s12);
}
.leader__photo {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--r-2xl);
  overflow: hidden;
  background: var(--clr-bg-elevated);
  border: 1px solid var(--clr-a1-border);
  box-shadow: var(--sh-glow-a1);
  display: grid; place-items: center;
  transition: transform var(--t-base);
}
.leader__photo img { width: 100%; height: 100%; object-fit: cover; }
.leader__initials {
  display: none;
  font-family: var(--font-display);
  font-size: 4.5rem;
  color: var(--clr-a1);
  letter-spacing: 0.08em;
}
.leader__photo--fallback .leader__initials { display: block; }

.leader__body { display: flex; flex-direction: column; gap: var(--s3); align-items: start; min-width: 0; }
.leader__name {
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl));
  line-height: var(--lh-tight);
}
.leader__role {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--clr-a1);
  letter-spacing: 0.06em;
}
.leader__bio { color: var(--clr-text-2); }

.team__members-title {
  display: flex; align-items: center; gap: var(--s3);
  font-size: var(--text-xl);
  margin-block-end: var(--s6);
}
.team__members-count {
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: var(--r-lg);
  background: var(--grad-accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1;
  flex-shrink: 0;
}

.member-card {
  display: flex; flex-direction: column; gap: var(--s4);
  padding: clamp(var(--s5), 3.5vw, var(--s8));
  height: 100%;
  position: relative;
  overflow: hidden;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-2xl);
}
/* Accent rail along the top edge */
.member-card::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline: 0;
  height: 4px;
  background: linear-gradient(to right, var(--member-accent, var(--clr-a1)), transparent);
}
[dir="rtl"] .member-card::before {
  background: linear-gradient(to left, var(--member-accent, var(--clr-a1)), transparent);
}
/* Accent bloom in the far corner */
.member-card::after {
  content: "";
  position: absolute;
  inset-block-start: -90px;
  inset-inline-end: -90px;
  width: 240px; height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--member-accent, var(--clr-a1)) 0%, transparent 68%);
  opacity: 0.1;
  pointer-events: none;
}
.member-card--a1 { --member-accent: var(--clr-a1); }
.member-card--a2 { --member-accent: var(--clr-a2); }
.member-card--a3 { --member-accent: var(--clr-a3); }
.member-card--a4 { --member-accent: var(--clr-a4); }

.member-card__top {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s3);
}
.member-card__icon {
  display: grid; place-items: center;
  width: 56px; height: 56px;
  border-radius: var(--r-lg);
  background: var(--clr-border);
  border: 1px solid var(--clr-border);
  font-size: 1.6rem;
  transition: transform var(--t-spring);
}
.deck__card.is-front .member-card__icon { transform: rotate(-4deg) scale(1.04); }
.member-card__index {
  font-size: var(--text-2xl);
  font-weight: var(--w-bold);
  color: var(--member-accent, var(--clr-a1));
  opacity: 0.35;
  direction: ltr;
}
.member-card__role {
  font-size: var(--text-xl);
  color: var(--member-accent, var(--clr-a1));
}

/* "Leads with — Kotlin" */
.member-card__primary {
  display: inline-flex; align-items: center; gap: var(--s2); flex-wrap: wrap;
  align-self: flex-start;
  padding: var(--s2) var(--s4);
  border-radius: var(--r-full);
  background: color-mix(in srgb, var(--member-accent, var(--clr-a1)) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--member-accent, var(--clr-a1)) 32%, transparent);
}
.member-card__primary-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr-text-2);
}
.member-card__primary-value {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--w-semi);
  color: var(--member-accent, var(--clr-a1));
  direction: ltr;
}

.member-card__desc { font-size: var(--text-sm); color: var(--clr-text-2); flex: 1; }

.member-card__tools {
  padding-block-start: var(--s4);
  border-block-start: 1px dashed var(--clr-border);
  display: flex; flex-direction: column; gap: var(--s3);
}
.member-card__tools-label {
  display: flex; align-items: center; gap: var(--s2);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-text-muted);
}
.member-card__tools-label svg { color: var(--member-accent, var(--clr-a1)); flex-shrink: 0; }
.member-card__tool-list { display: flex; flex-wrap: wrap; gap: var(--s2); }
.tech-tag--tool {
  border-color: color-mix(in srgb, var(--member-accent, var(--clr-a1)) 28%, transparent);
  color: var(--clr-text);
}
.deck__card.is-front .tech-tag--tool { animation: toolIn 420ms cubic-bezier(0.16,1,0.3,1) backwards; }
.deck__card.is-front .member-card__tool-list > :nth-child(1) { animation-delay: 40ms; }
.deck__card.is-front .member-card__tool-list > :nth-child(2) { animation-delay: 80ms; }
.deck__card.is-front .member-card__tool-list > :nth-child(3) { animation-delay: 120ms; }
.deck__card.is-front .member-card__tool-list > :nth-child(4) { animation-delay: 160ms; }
.deck__card.is-front .member-card__tool-list > :nth-child(5) { animation-delay: 200ms; }
.deck__card.is-front .member-card__tool-list > :nth-child(6) { animation-delay: 240ms; }
@keyframes toolIn {
  from { opacity: 0; transform: translateY(8px) scale(0.9); }
  to   { opacity: 1; transform: none; }
}

/* ── 20b. CARD DECK — swipe/drag to swap ──────────────────── */
.deck {
  --deck-shift: 22px;
  --deck-drop: 16px;
  position: relative;
  outline: none;
  max-width: 680px;
  margin-inline: auto;
}
.deck:focus-visible { outline: 2px solid var(--clr-a1); outline-offset: 10px; border-radius: var(--r-2xl); }

.deck__stage {
  display: grid;
  user-select: none;
  -webkit-user-select: none;
  perspective: 1400px;
  touch-action: pan-y;
  /* Room for the two cards peeking out behind the front one. */
  padding-inline-end: calc(var(--deck-shift) * 2);
  padding-block-end: calc(var(--deck-drop) * 2);
}
[dir="rtl"] .deck__stage {
  padding-inline-end: 0;
  padding-inline-start: calc(var(--deck-shift) * 2);
}

.deck__card {
  grid-area: 1 / 1;
  transform-style: preserve-3d;
  transform-origin: 50% 120%;
  transform:
    translate3d(calc(var(--drag-x, 0px) + var(--pos) * var(--deck-shift)),
                calc(var(--pos) * var(--deck-drop)), 0)
    rotate(calc(var(--drag-rot, 0deg) + var(--pos) * 1.4deg))
    scale(calc(1 - var(--pos) * 0.055));
  opacity: calc(1 - var(--pos) * 0.22);
  filter: blur(calc(var(--pos) * 0.7px));
  z-index: calc(10 - var(--pos));
  transition:
    transform 520ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 380ms ease,
    filter 380ms ease,
    box-shadow 380ms ease;
  will-change: transform, opacity;
}
/* RTL: the pile leans the other way. */
[dir="rtl"] .deck__card {
  transform:
    translate3d(calc(var(--drag-x, 0px) - var(--pos) * var(--deck-shift)),
                calc(var(--pos) * var(--deck-drop)), 0)
    rotate(calc(var(--drag-rot, 0deg) - var(--pos) * 1.4deg))
    scale(calc(1 - var(--pos) * 0.055));
}

/* Cards in a pile must be opaque or the ones underneath read through the
   one in front. The translucent card tint is painted over a solid base. */
.deck__card > .member-card {
  background-color: var(--clr-bg-2);
  background-image: linear-gradient(var(--clr-bg-card), var(--clr-bg-card));
  box-shadow: var(--sh-card);
}
/* Only the front card shows its contents — the rest are just edges of a pile. */
.deck__card:not(.is-front) > .member-card > * {
  opacity: 0;
  transition: opacity 260ms ease;
}
.deck__card.is-front > .member-card > * {
  opacity: 1;
  transition: opacity 380ms ease 120ms;
}
.deck__card.is-front { cursor: grab; }
.deck__card.is-front > .member-card {
  box-shadow: var(--sh-lg), 0 0 0 1px var(--clr-border-h);
  border-color: var(--clr-border-h);
}
.deck__card.is-dragging { transition: none; cursor: grabbing; }
.deck__card.is-hidden { opacity: 0; pointer-events: none; }
.deck__card:not(.is-front) { pointer-events: none; }

/* The card that just left the pile flies off before looping back. */
.deck--flung .deck__card:not(.is-front) { transition-duration: 620ms; }

.deck__controls {
  display: flex; align-items: center; justify-content: center;
  gap: var(--s4);
  margin-block-start: var(--s6);
}
.deck__nav {
  display: grid; place-items: center;
  width: 46px; height: 46px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid var(--clr-border);
  background: var(--clr-bg-card);
  color: var(--clr-text-2);
  box-shadow: var(--sh-sm);
  transition: transform var(--t-spring), color var(--t-fast),
              border-color var(--t-fast), background var(--t-fast);
}
.deck__nav:hover {
  color: var(--clr-a1);
  border-color: var(--clr-a1-border);
  background: var(--clr-a1-dim);
  transform: scale(1.12);
}
.deck__nav:active { transform: scale(0.94); }
/* The chevrons point outward from the deck in either writing direction. */
[dir="rtl"] .deck__nav svg { transform: scaleX(-1); }

.deck__dots { display: flex; align-items: center; gap: var(--s2); }
.deck__dot {
  width: 9px; height: 9px;
  border-radius: var(--r-full);
  background: var(--clr-border);
  border: 1px solid transparent;
  transition: width var(--t-spring), background var(--t-base);
}
.deck__dot:hover { background: var(--clr-text-muted); }
.deck__dot.active { width: 30px; background: var(--grad-accent); }

.deck__hint {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: var(--s2) var(--s3);
  margin-block-start: var(--s4);
  font-size: var(--text-xs);
  color: var(--clr-text-muted);
  text-align: center;
}
.deck__hint-icon {
  display: inline-flex;
  color: var(--clr-a1);
  animation: swipeNudge 2.6s cubic-bezier(0.4,0,0.2,1) infinite;
}
@keyframes swipeNudge {
  0%, 60%, 100% { transform: translateX(0); }
  70% { transform: translateX(-5px); }
  85% { transform: translateX(5px); }
}
.deck__counter {
  padding: 2px var(--s3);
  border-radius: var(--r-full);
  border: 1px solid var(--clr-border);
  background: var(--clr-bg-card);
  color: var(--clr-text-2);
  direction: ltr;
}
.deck__counter b { color: var(--clr-a1); }

/* ── 21. TECHNOLOGIES ─────────────────────────────────────── */
.stack__tabs {
  display: flex; flex-wrap: wrap; gap: var(--s2);
  margin-block-end: var(--s8);
}
.tab-btn {
  padding: var(--s3) var(--s5);
  border-radius: var(--r-full);
  border: 1px solid var(--clr-border);
  background: transparent;
  color: var(--clr-text-2);
  font-size: var(--text-sm); font-weight: var(--w-medium);
  transition: all var(--t-fast);
}
.tab-btn:hover { color: var(--clr-a1); border-color: var(--clr-a1-border); }
.tab-btn.active {
  background: var(--grad-accent);
  color: #fff; border-color: transparent;
  box-shadow: 0 4px 16px rgba(0,245,212,0.2);
}

.stack__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: var(--s4);
}
.skill-item { padding: var(--s5); }
.skill-item__header {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s3); margin-block-end: var(--s3);
}
.skill-item__name { font-weight: var(--w-medium); font-size: var(--text-sm); }
.skill-item__percent {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--clr-a1);
  direction: ltr;
  unicode-bidi: isolate;
}
.project-card__meta, .team__members-count { direction: ltr; unicode-bidi: isolate; }

.progress-bar {
  position: relative;
  height: 6px;
  border-radius: var(--r-full);
  background: var(--clr-border);
  overflow: hidden;
}
.progress-bar__fill {
  display: block;
  height: 100%;
  width: 100%;
  border-radius: var(--r-full);
  background: var(--grad-accent);
  transform: scaleX(0);
  /* "inline-start" is not a valid transform-origin — it silently fell back
     to center and the bars grew outwards from the middle. */
  transform-origin: left center;
  transition: transform 1.1s cubic-bezier(0.16,1,0.3,1);
}
[dir="rtl"] .progress-bar__fill { transform-origin: right center; }
.progress-bar__fill.animated { transform: scaleX(var(--target, 1)); }

/* ── 22. PROJECTS ─────────────────────────────────────────── */
.projects__controls {
  display: flex; flex-wrap: wrap; gap: var(--s4);
  align-items: center; justify-content: space-between;
  margin-block-end: var(--s8);
}
.search-wrap { position: relative; flex: 1 1 260px; min-width: 0; }
.search-wrap > svg {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: var(--s4);
  transform: translateY(-50%);
  color: var(--clr-text-muted);
  pointer-events: none;
}
.search-input { padding-inline-start: var(--s10) !important; }

.filter-chips { display: flex; flex-wrap: wrap; gap: var(--s2); }
.filter-chip {
  padding: var(--s2) var(--s4);
  border-radius: var(--r-full);
  border: 1px solid var(--clr-border);
  background: transparent;
  color: var(--clr-text-2);
  font-size: var(--text-sm);
  transition: all var(--t-fast);
}
.filter-chip:hover { color: var(--clr-a1); border-color: var(--clr-a1-border); }
.filter-chip.active {
  background: var(--clr-a1-dim);
  color: var(--clr-a1);
  border-color: var(--clr-a1-border);
  font-weight: var(--w-semi);
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: var(--s6);
}
.projects__empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--s16);
  color: var(--clr-text-2);
}

.project-card {
  display: flex; flex-direction: column;
  overflow: hidden;
  height: 100%;
}
.project-card:hover { transform: translateY(-6px); }
.project-card--featured .flip-card__face {
  border-color: var(--clr-a1-border);
  box-shadow: var(--sh-glow-a1), var(--sh-card);
}
/* Actions sit at the bottom of whichever face is showing. */
.flip-card__face .project-card__actions { margin-block-start: auto; align-items: center; }

.project-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--clr-a1-dim), var(--clr-a2-dim));
  overflow: hidden;
}
/* Blurred copy of the artwork fills the frame, the real image sits on top
   fully visible — so portrait logos are not cropped in half. */
.project-card__media::before {
  content: "";
  position: absolute; inset: -8%;
  background-image: var(--cover);
  background-size: cover;
  background-position: center;
  filter: blur(24px) saturate(140%) brightness(0.5);
}
.project-card__media img {
  position: relative;
  width: 100%; height: 100%;
  object-fit: contain;
  transition: transform var(--t-slow);
}
.project-card:hover .project-card__media img { transform: scale(1.05); }
.project-card__media--fallback::after {
  content: "◆";
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-size: 3rem;
  color: var(--clr-a1);
  opacity: 0.5;
}
.project-card__badges {
  position: absolute;
  inset-block-start: var(--s3);
  inset-inline-end: var(--s3);
  display: flex; flex-wrap: wrap; gap: var(--s2);
  justify-content: flex-end;
  max-width: calc(100% - var(--s6));
}

.project-card__body {
  display: flex; flex-direction: column; gap: var(--s3);
  padding: var(--s5);
  flex: 1;
}
.project-card__meta { font-size: var(--text-xs); color: var(--clr-text-muted); }
.project-card__title { font-size: var(--text-xl); line-height: var(--lh-snug); }
.project-card__desc { font-size: var(--text-sm); color: var(--clr-text-2); flex: 1; }
.project-card__tags { display: flex; flex-wrap: wrap; gap: var(--s2); }
.project-card__actions {
  display: flex; flex-wrap: wrap; gap: var(--s2);
  padding: var(--s5);
  padding-block-start: 0;
}

/* ── 23. MODAL ────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  z-index: var(--z-modal);
  background: rgba(2,5,16,0.85);
  backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center;
  padding: var(--s4);
  opacity: 0; visibility: hidden;
  transition: opacity var(--t-base), visibility var(--t-base);
}
[data-theme="light"] .modal-overlay { background: rgba(10,20,60,0.5); }
.modal-overlay.open { opacity: 1; visibility: visible; }

.modal {
  width: 100%; max-width: 680px;
  max-height: min(88vh, 900px);
  overflow-y: auto;
  padding: clamp(var(--s5), 4vw, var(--s8));
  border-radius: var(--r-3xl);
  background: var(--clr-bg-elevated);
  border: 1px solid var(--clr-a1-border);
  box-shadow: var(--sh-glow-a1), var(--sh-lg);
  backdrop-filter: blur(24px);
  transform: scale(0.94) translateY(20px);
  transition: transform var(--t-spring);
  overscroll-behavior: contain;
}
.modal-overlay.open .modal { transform: none; }

.modal__head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: var(--s4);
  margin-block-end: var(--s5);
}
.modal__badges { display: flex; flex-wrap: wrap; gap: var(--s2); margin-block-end: var(--s3); }
.modal__title { font-size: clamp(var(--text-xl), 4vw, var(--text-3xl)); }
.modal__media {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  margin-block-end: var(--s5);
  border: 1px solid var(--clr-border);
  background: var(--clr-bg-card);
}
.modal__media::before {
  content: "";
  position: absolute; inset: -8%;
  background-image: var(--cover);
  background-size: cover;
  background-position: center;
  filter: blur(28px) saturate(140%) brightness(0.45);
}
.modal__media img {
  position: relative;
  width: 100%;
  height: 260px;
  object-fit: contain;
}
.modal__desc { color: var(--clr-text-2); margin-block-end: var(--s6); }
.modal__block { margin-block-end: var(--s6); }
.modal__block-title { font-size: var(--text-base); margin-block-end: var(--s3); }
.modal__tags { display: flex; flex-wrap: wrap; gap: var(--s2); }
.modal__actions {
  display: flex; flex-wrap: wrap; gap: var(--s3);
  padding-block-start: var(--s5);
  border-block-start: 1px solid var(--clr-border);
}

/* ── 24. FORMS ────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: var(--s2); }
.form-label {
  font-size: var(--text-sm);
  font-weight: var(--w-medium);
  color: var(--clr-text-2);
}
.form-input, .form-textarea {
  width: 100%;
  padding: var(--s3) var(--s4);
  min-height: 46px;
  border-radius: var(--r-lg);
  background: var(--clr-bg-elevated);
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.form-textarea { resize: vertical; min-height: 120px; line-height: var(--lh-relaxed); }
.form-input::placeholder, .form-textarea::placeholder { color: var(--clr-text-muted); }
.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--clr-a1);
  box-shadow: 0 0 0 3px var(--clr-a1-dim);
}
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
  gap: var(--s4);
}

.form-success {
  display: flex; flex-direction: column; align-items: center; gap: var(--s4);
  text-align: center;
  padding: var(--s10) var(--s4);
}
.form-success__icon {
  display: grid; place-items: center;
  width: 72px; height: 72px;
  border-radius: 50%;
  background: rgba(16,185,129,0.12);
  border: 2px solid rgba(16,185,129,0.35);
  color: var(--clr-success);
}
.form-success__icon svg { width: 30px; height: 30px; }
.form-success p { color: var(--clr-text-2); max-width: 380px; }

/* ── 25. CONTACT ──────────────────────────────────────────── */
.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(var(--s6), 4vw, var(--s12));
  align-items: start;
}
.contact__info { display: flex; flex-direction: column; }

.contact-info__item {
  display: flex; align-items: flex-start; gap: var(--s4);
  padding-block: var(--s5);
  border-block-end: 1px solid var(--clr-border);
}
.contact-info__item--last { border-block-end: none; }
.contact-info__icon {
  display: grid; place-items: center;
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: var(--r-lg);
  background: var(--clr-a1-dim);
  border: 1px solid var(--clr-a1-border);
  color: var(--clr-a1);
}
.contact-info__icon--ok {
  background: rgba(16,185,129,0.12);
  border-color: rgba(16,185,129,0.3);
  color: var(--clr-success);
}
.contact-info__body { min-width: 0; display: flex; flex-direction: column; gap: var(--s1); align-items: start; }
.contact-info__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-text-muted);
}
.contact-info__value { font-size: var(--text-base); font-weight: var(--w-medium); overflow-wrap: anywhere; }
.contact-info__link { color: var(--clr-a1); }
.contact-info__link:hover { text-decoration: underline; }
.contact-info__value--ok { color: var(--clr-success); }

.copy-btn {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--clr-text-muted);
  padding: var(--s1) var(--s2);
  border-radius: var(--r-sm);
  border: 1px solid var(--clr-border);
  transition: all var(--t-fast);
}
.copy-btn:hover { color: var(--clr-a1); border-color: var(--clr-a1-border); background: var(--clr-a1-dim); }

.contact__socials { padding-block-start: var(--s6); }
.contact__socials-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-text-muted);
  margin-block-end: var(--s3);
}
.socials { display: flex; flex-wrap: wrap; gap: var(--s3); }
.social-link {
  display: inline-flex; align-items: center; gap: var(--s2);
  padding: var(--s3) var(--s5);
  border-radius: var(--r-lg);
  border: 1px solid var(--clr-border);
  background: var(--clr-bg-card);
  color: var(--clr-text-2);
  font-size: var(--text-sm); font-weight: var(--w-medium);
  transition: all var(--t-fast);
}
.social-link:hover {
  color: var(--clr-a1);
  border-color: var(--clr-a1-border);
  background: var(--clr-a1-dim);
  transform: translateY(-2px);
}

.contact__form {
  display: flex; flex-direction: column; gap: var(--s4);
  padding: clamp(var(--s5), 3vw, var(--s8));
}
.contact__note {
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
  text-align: center;
}

/* ── 26. FOOTER ───────────────────────────────────────────── */
footer {
  position: relative;
  z-index: var(--z-content);
  background: var(--clr-bg-2);
  border-block-start: 1px solid var(--clr-border);
  padding-block: var(--s10) var(--s6);
  margin-block-start: var(--s16);
}
[data-theme="light"] footer { background: rgba(228,235,247,0.9); }

.footer__inner { display: flex; flex-direction: column; gap: var(--s6); }
.footer__brand { display: flex; align-items: center; gap: var(--s4); }
.footer__name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  letter-spacing: 0.1em;
}
.footer__tagline { font-size: var(--text-sm); color: var(--clr-text-2); max-width: 620px; }

.footer__links { display: flex; flex-wrap: wrap; gap: var(--s2) var(--s5); }
.footer__links a { font-size: var(--text-sm); color: var(--clr-text-2); }
.footer__links a:hover { color: var(--clr-a1); }

.footer__bottom {
  display: flex; flex-wrap: wrap; gap: var(--s3);
  align-items: center; justify-content: space-between;
  padding-block-start: var(--s5);
  border-block-start: 1px solid var(--clr-border);
}
.footer__copy { font-size: var(--text-sm); color: var(--clr-text-muted); }

/* ── 27. SCROLL-TOP & TOAST ───────────────────────────────── */
/* These two used to share the same corner and covered each other.
   Scroll-top owns the end corner; the toast owns the start corner. */
.scroll-top {
  position: fixed;
  inset-block-end: var(--s6);
  inset-inline-end: var(--s6);
  z-index: var(--z-scrolltop);
  display: grid; place-items: center;
  width: 50px; height: 50px;
  border-radius: var(--r-xl);
  background: var(--grad-accent);
  color: #fff;
  box-shadow: var(--sh-glow-a1), var(--sh-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity var(--t-base), transform var(--t-base), visibility var(--t-base);
}
.scroll-top.visible { opacity: 1; visibility: visible; transform: none; }
.scroll-top:hover { transform: translateY(-3px); }

.toast {
  position: fixed;
  inset-block-end: var(--s6);
  inset-inline-start: var(--s6);
  z-index: var(--z-toast);
  display: flex; align-items: center; gap: var(--s3);
  max-width: min(360px, calc(100vw - var(--s12)));
  padding: var(--s4) var(--s5);
  border-radius: var(--r-xl);
  background: var(--clr-bg-elevated);
  border: 1px solid var(--clr-border);
  box-shadow: var(--sh-lg);
  backdrop-filter: blur(20px);
  font-size: var(--text-sm); font-weight: var(--w-medium);
  opacity: 0;
  visibility: hidden;
  transform: translateY(70px) scale(0.96);
  transition: all var(--t-spring);
}
.toast.show { opacity: 1; visibility: visible; transform: none; }
.toast svg { flex-shrink: 0; }
.toast--success { border-color: rgba(16,185,129,0.35); color: var(--clr-success); }
.toast--error { border-color: rgba(239,68,68,0.35); color: var(--clr-error); }
[data-theme="light"] .toast { background: rgba(255,255,255,0.98); }

/* ── 28. GLITCH ───────────────────────────────────────────── */
.glitch { position: relative; }
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: 100%;
  overflow: hidden;
  pointer-events: none;
}
.glitch::before { color: var(--clr-a1); animation: glitchTop 3.2s infinite steps(2, end); }
.glitch::after  { color: var(--clr-a2); animation: glitchBot 2.8s infinite steps(2, end); }
@keyframes glitchTop {
  0%, 92%, 100% { clip-path: inset(0 0 100% 0); transform: none; }
  93% { clip-path: inset(0 0 62% 0); transform: translateX(-3px); }
  96% { clip-path: inset(0 0 72% 0); transform: translateX(3px); }
}
@keyframes glitchBot {
  0%, 90%, 100% { clip-path: inset(100% 0 0 0); transform: none; }
  91% { clip-path: inset(68% 0 0 0); transform: translateX(3px); }
  95% { clip-path: inset(78% 0 0 0); transform: translateX(-3px); }
}

/* ── 28b. MOTION POLISH ───────────────────────────────────── */

/* Nav links grow an underline from the centre instead of snapping. */
.nav-link { position: relative; }
.nav-link::after {
  content: "";
  position: absolute;
  inset-block-end: 4px;
  inset-inline: 50%;
  height: 2px;
  border-radius: var(--r-full);
  background: var(--grad-accent);
  transition: inset-inline 320ms cubic-bezier(0.22, 1, 0.36, 1);
}
.nav-link:hover::after, .nav-link.active::after { inset-inline: 22%; }

/* Section eyebrow rule draws itself in. */
.section-eyebrow::before { transition: width 520ms cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.visible .section-eyebrow::before { width: 34px; }

/* Filter chips and tabs morph rather than jump. */
.filter-chip, .tab-btn {
  transition: color var(--t-fast), border-color var(--t-fast),
              background var(--t-base), transform var(--t-spring);
}
.filter-chip:hover, .tab-btn:hover { transform: translateY(-2px); }
.filter-chip.active, .tab-btn.active { transform: none; }

/* Tech tags lift under the pointer. */
.tech-tag {
  transition: transform var(--t-spring), border-color var(--t-fast),
              color var(--t-fast), background var(--t-fast);
}
.tech-tag:hover {
  transform: translateY(-2px);
  border-color: var(--clr-a1-border);
  color: var(--clr-a1);
}

/* Stat numbers get a soft glow as they finish counting. */
.stat-card { transition: transform var(--t-spring), border-color var(--t-base), box-shadow var(--t-base); }
.stat-card:hover .stat-card__value { transform: scale(1.06); }
.stat-card__value { display: inline-block; transition: transform var(--t-spring); }

/* Contact rows slide in from the reading edge on hover. */
.contact-info__item { transition: transform var(--t-spring); }
.contact-info__item:hover { transform: translateX(4px); }
[dir="rtl"] .contact-info__item:hover { transform: translateX(-4px); }
.contact-info__icon { transition: transform var(--t-spring), background var(--t-base); }
.contact-info__item:hover .contact-info__icon { transform: scale(1.1) rotate(-6deg); }

/* Social pills and the hero logo card breathe. */
.social-link { transition: transform var(--t-spring), border-color var(--t-fast), color var(--t-fast), background var(--t-fast); }
.social-link:hover { transform: translateY(-3px); }

.hero__logo-card { animation: heroFloat 7s ease-in-out infinite; }
@keyframes heroFloat {
  0%, 100% { translate: 0 0; }
  50%      { translate: 0 -12px; }
}
/* The tilt handler writes to transform, so the float uses translate and the
   two never fight over the same property. */
.hero__logo-card.tilt-card { transition: transform var(--t-spring); }

/* Theme switches fade the whole surface set rather than snapping. */
.panel, .glass-card, .service-card, .member-card, .stat-card,
.flip-card__face, .contact__form, .skill-item, .navbar__inner {
  transition-property: transform, border-color, box-shadow, background, color;
}

/* Modal opens with a small spring. */
.modal { transition: transform 480ms cubic-bezier(0.34, 1.4, 0.64, 1), opacity var(--t-base); }

/* Scroll-to-top rolls in. */
.scroll-top { transition: opacity var(--t-base), visibility var(--t-base), transform var(--t-spring); }
.scroll-top:hover { transform: translateY(-3px) rotate(-8deg); }

/* ── 29. RESPONSIVE ───────────────────────────────────────── */
@media (max-width: 1080px) {
  .navbar__links { display: none; }
  .hamburger { display: flex; }
  .navbar__logo-name { font-size: 1.3rem; }
}

@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; gap: var(--s12); }
  .hero__visual { order: -1; min-height: 260px; }
  .hero__logo-card { padding: var(--s6); }
  .hero__logo-card .logo-mark { --logo-size: 150px; }
  .hero__description { max-width: none; }
  .hero__scroll { display: none; }

  .about__grid,
  .contact__grid { grid-template-columns: 1fr; }
  .leader { grid-template-columns: 1fr; text-align: center; }
  .leader__photo { max-width: 240px; margin-inline: auto; }
  .leader__body { align-items: center; }
}

@media (max-width: 640px) {
  :root { --nav-h: 64px; }

  .deck { --deck-shift: 12px; --deck-drop: 10px; }
  .deck__controls { gap: var(--s3); }
  .deck__nav { width: 42px; height: 42px; }
  .member-card__icon { width: 48px; height: 48px; font-size: 1.35rem; }

  .panel { border-radius: var(--r-2xl); }
  .section-head { margin-block-end: var(--s8); }
  .hero__actions .btn { flex: 1 1 100%; }
  .about__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s3); }
  .projects__controls { flex-direction: column; align-items: stretch; }
  .filter-chips { justify-content: flex-start; }
  .project-card__actions .btn { flex: 1 1 auto; }
  .modal__actions .btn { flex: 1 1 100%; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }

  .scroll-top { inset-block-end: var(--s4); inset-inline-end: var(--s4); width: 44px; height: 44px; }
  .toast {
    inset-inline: var(--s4);
    inset-block-end: var(--s4);
    max-width: none;
  }
}

@media (max-width: 380px) {
  .about__stats { grid-template-columns: 1fr; }
  .team__members-title { font-size: var(--text-lg); }
}

/* ── 30. MOTION PREFERENCES ───────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal, .reveal--left, .reveal--right,
  [data-stagger] > * { opacity: 1 !important; transform: none !important; filter: none !important; }
  .deck__card { filter: none !important; }
  .deck__hint-icon, .hero__logo-card, .gradient-text { animation: none !important; }
  .flip-card__inner { transition: none !important; }
  .progress-bar__fill { transform: scaleX(var(--target, 1)) !important; }
  .cursor, .cursor-follower { display: none; }
}

/* ── 31. PRINT ────────────────────────────────────────────── */
@media print {
  #bg-canvas, .cursor, .cursor-follower, .navbar, .mobile-menu,
  .scroll-top, .toast, #scroll-progress, .loader, .hero__scroll { display: none !important; }
  body { background: #fff; color: #000; }
  .panel { break-inside: avoid; box-shadow: none; border-color: #ccc; }
}