/* ==========================================================================
   edadras.com — design system
   Gradient + glassmorphism, dark canvas, WebGL backdrop.
   Author: Esmaeil Dadras
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  /* surfaces */
  --bg:            #05060f;
  --bg-soft:       #0a0c1a;
  --ink:           #ffffff;
  --ink-dim:       #d2d6ea;
  --ink-faint:     #9aa0c0;

  /* accents */
  --violet:        #7c3aed;
  --indigo:        #6366f1;
  --cyan:          #22d3ee;
  --pink:          #ec4899;
  --amber:         #f59e0b;
  --mint:          #34d399;

  /* glass — slightly more opaque for readability */
  --glass-bg:      rgba(14, 16, 32, 0.72);
  --glass-bg-2:    rgba(18, 20, 40, 0.88);
  --glass-stroke:  rgba(255, 255, 255, 0.16);
  --glass-glow:    rgba(124, 58, 237, 0.35);
  --blur:          22px;

  /* geometry */
  --r-sm:  12px;
  --r-md:  20px;
  --r-lg:  28px;
  --r-xl:  40px;
  --shell: min(1280px, 92vw);
  --gutter: clamp(1.25rem, 4vw, 3rem);

  /* --------------------------------------------------------------- type ---
     Two scripts, three roles. All self-hosted under public/assets/fonts.

     Latin (en / tr):  Outfit for display — geometric, holds at large sizes —
                       and DM Sans for body copy.
     Persian & Arabic: Vazirmatn for everything (display + body).
     Both scripts:     JetBrains Mono for Latin micro-labels (tech tags, etc.).
  -------------------------------------------------------------------------- */
  --font-latin-display: 'Outfit', system-ui, sans-serif;
  --font-latin-body:    'DM Sans', system-ui, sans-serif;
  --font-vazir:         'Vazirmatn', 'Tahoma', system-ui, sans-serif;
  --font-mono:          'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --font-display: var(--font-latin-display);
  --font:         var(--font-latin-body);

  --t-fast:  .25s cubic-bezier(.22, 1, .36, 1);
  --t-med:   .55s cubic-bezier(.22, 1, .36, 1);
  --t-slow:  1.1s cubic-bezier(.16, 1, .3, 1);
}

/* Persian & Arabic: one family covers display and body. */
html[data-font="vazir"] {
  --font: var(--font-vazir);
  --font-display: var(--font-vazir);
}

/* --------------------------------------------------------------------------
   2. Reset
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: clip;
}

html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: clamp(1rem, .95rem + .25vw, 1.075rem);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  text-rendering: optimizeLegibility;
  /* DM Sans / Outfit: keep features light */
  font-feature-settings: 'kern' 1, 'liga' 1;
  font-variant-ligatures: contextual;
  max-width: 100vw;
}

/* Vazirmatn ships Latin digits by default, which is what we want next to
   Latin tech names. Loosen the line-height: Persian ascenders need the room. */
html[data-font="vazir"] body {
  line-height: 1.95;
  font-feature-settings: normal;
}

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
::selection { background: var(--violet); color: #fff; }

/* scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #05060f; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--violet), var(--cyan));
  border-radius: 99px;
  border: 3px solid #05060f;
}

/* --------------------------------------------------------------------------
   3. Ambient background: WebGL canvas + gradient mesh + grain
   -------------------------------------------------------------------------- */
#gl-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.6s ease;
}
#gl-canvas.is-ready { opacity: .55; }

.aurora {
  position: fixed;
  inset: -20vh -20vw;
  z-index: -1;
  pointer-events: none;
  filter: blur(90px) saturate(140%);
  opacity: .45;
}
.aurora span {
  position: absolute;
  display: block;
  border-radius: 50%;
  mix-blend-mode: screen;
  will-change: transform;
}
.aurora .a1 {
  width: 46vw; height: 46vw; top: 2%;  left: 4%;
  background: radial-gradient(circle at 30% 30%, #7c3aed, transparent 68%);
  animation: drift1 26s ease-in-out infinite;
}
.aurora .a2 {
  width: 40vw; height: 40vw; top: 28%; right: 2%;
  background: radial-gradient(circle at 60% 40%, #22d3ee, transparent 66%);
  animation: drift2 32s ease-in-out infinite;
}
.aurora .a3 {
  width: 38vw; height: 38vw; bottom: 4%; left: 26%;
  background: radial-gradient(circle at 50% 50%, #ec4899, transparent 66%);
  animation: drift3 29s ease-in-out infinite;
}

@keyframes drift1 {
  0%,100% { transform: translate3d(0,0,0) scale(1); }
  50%     { transform: translate3d(12vw, 8vh, 0) scale(1.18); }
}
@keyframes drift2 {
  0%,100% { transform: translate3d(0,0,0) scale(1.1); }
  50%     { transform: translate3d(-14vw, 12vh, 0) scale(.9); }
}
@keyframes drift3 {
  0%,100% { transform: translate3d(0,0,0) scale(.95); }
  50%     { transform: translate3d(10vw, -10vh, 0) scale(1.2); }
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  opacity: .16;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

/* content sits above the canvas */
main, footer.site-footer { position: relative; z-index: 2; }

/* --------------------------------------------------------------------------
   4. Preloader
   -------------------------------------------------------------------------- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  background: var(--bg);
  transition: opacity .8s ease, visibility .8s ease;
}
.preloader.is-done { opacity: 0; visibility: hidden; }
.preloader__mark {
  font-family: var(--font-latin-display);
  font-size: clamp(2.5rem, 9vw, 6rem);
  font-weight: 700;
  letter-spacing: -.04em;
  background: linear-gradient(100deg, var(--violet), var(--cyan) 45%, var(--pink));
  background-size: 260% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 2.4s linear infinite;
}
.preloader__bar {
  margin-top: 1.75rem;
  width: min(280px, 60vw);
  height: 2px;
  background: rgba(255,255,255,.1);
  overflow: hidden;
  border-radius: 99px;
}
.preloader__bar i {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
  transition: width .4s ease;
}
@keyframes shimmer {
  to { background-position: 260% 0; }
}

/* --------------------------------------------------------------------------
   5. Cursor
   -------------------------------------------------------------------------- */
.cursor, .cursor-dot {
  position: fixed;
  top: 0; left: 0;
  z-index: 150;
  pointer-events: none;
  border-radius: 50%;
  mix-blend-mode: difference;
  will-change: transform;
}
.cursor {
  width: 34px; height: 34px;
  border: 1px solid rgba(255,255,255,.65);
  transition: width var(--t-fast), height var(--t-fast), background var(--t-fast), border-color var(--t-fast);
}
.cursor-dot { width: 5px; height: 5px; background: #fff; }
.cursor.is-hover { width: 68px; height: 68px; background: rgba(255,255,255,.14); border-color: transparent; }
@media (hover: none), (pointer: coarse) {
  .cursor, .cursor-dot { display: none; }
}

/* --------------------------------------------------------------------------
   6. Layout primitives
   -------------------------------------------------------------------------- */
.shell { width: var(--shell); margin-inline: auto; }

section { position: relative; padding-block: clamp(6rem, 14vh, 11rem); }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-size: .78rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 1.15rem;
}
.kicker::before {
  content: '';
  width: 34px; height: 1px;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
}
html[dir="rtl"] .kicker { letter-spacing: .06em; }

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.1;
  letter-spacing: -.035em;
  font-weight: 700;
}
/* Persian/Arabic never take negative tracking — it breaks the joins. */
html[dir="rtl"] h1,
html[dir="rtl"] h2,
html[dir="rtl"] h3 { letter-spacing: 0; line-height: 1.5; font-weight: 700; }

/* the display face only earns its tight tracking at large sizes */
.h-display { letter-spacing: -.045em; }
html[dir="rtl"] .h-display { letter-spacing: 0; }

.h-display { font-size: clamp(2.75rem, 9.5vw, 8.5rem); }
.h-section { font-size: clamp(2rem, 4.6vw, 4rem); }
.h-card    { font-size: clamp(1.35rem, 2.1vw, 1.85rem); }

.lede {
  color: var(--ink-dim);
  font-size: clamp(1.08rem, 1.45vw, 1.32rem);
  max-width: 58ch;
  line-height: 1.85;
  font-weight: 500;
}
html[dir="rtl"] .lede { line-height: 2; }

/* Latin-only micro-labels get the mono face in every locale: tech names,
   metric captions and step numbers are never translated. */
.tag,
.card__metric b,
.card__metric span,
.step__num,
.marquee__track span {
  font-family: var(--font-mono);
  font-feature-settings: normal;
}
.tag { letter-spacing: -.01em; }
.card__metric b { letter-spacing: -.02em; }

/* numerals that must line up in columns */
.stat__num, .card__metric b, .step__num {
  font-variant-numeric: tabular-nums;
}

/* Latin content inside an RTL page: without an isolate, bidi reorders the
   trailing sign and "180+" renders as "+180". */
.tag,
.stat__num,
.card__metric b,
.card__metric span,
.step__num,
.marquee__track span,
.brand {
  direction: ltr;
  unicode-bidi: isolate;
}
html[dir="rtl"] .stat__num,
html[dir="rtl"] .card__metric b,
html[dir="rtl"] .card__metric span { text-align: right; }

.brand, .btn { font-family: var(--font-display); }
html[data-font="vazir"] .brand { font-family: var(--font-latin-display); }

.gradient-text {
  background: linear-gradient(100deg, #fff 8%, var(--cyan) 42%, var(--violet) 72%, var(--pink));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* --------------------------------------------------------------------------
   7. Glass surface
   -------------------------------------------------------------------------- */
.glass {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-stroke);
  border-radius: var(--r-lg);
  backdrop-filter: blur(var(--blur)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(150%);
  overflow: hidden;
  isolation: isolate;
}
/* top sheen — kept subtle so type stays readable */
.glass::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(160deg, rgba(255,255,255,.07), transparent 40%);
  opacity: .7;
  pointer-events: none;
  z-index: 0;
}
/* moving light */
.glass::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: conic-gradient(from var(--angle, 0deg),
              transparent 0 62%, rgba(255,255,255,.55) 74%, transparent 86%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--t-med);
  pointer-events: none;
}
.glass:hover::after { opacity: 1; animation: spin-angle 4s linear infinite; }

@property --angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}
@keyframes spin-angle { to { --angle: 360deg; } }

/* --------------------------------------------------------------------------
   8. Buttons
   -------------------------------------------------------------------------- */
.btn {
  --btn-bg: linear-gradient(100deg, var(--violet), var(--indigo) 55%, var(--cyan));
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  padding: .95rem 1.75rem;
  border: 0;
  border-radius: 99px;
  font-weight: 600;
  font-size: .98rem;
  cursor: pointer;
  overflow: hidden;
  background: var(--btn-bg);
  background-size: 200% 100%;
  color: #fff;
  transition: background-position var(--t-med), transform var(--t-fast), box-shadow var(--t-med);
  box-shadow: 0 12px 40px -12px var(--glass-glow);
  will-change: transform;
}
.btn:hover { background-position: 100% 0; transform: translateY(-2px); box-shadow: 0 20px 55px -14px var(--glass-glow); }
.btn:active { transform: translateY(0); }

.btn--ghost {
  background: var(--glass-bg-2);
  border: 1px solid var(--glass-stroke);
  box-shadow: none;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.btn--ghost:hover { background: rgba(255,255,255,.13); box-shadow: none; }

.btn svg { width: 1.05em; height: 1.05em; }
html[dir="rtl"] .btn svg { transform: scaleX(-1); }

/* --------------------------------------------------------------------------
   9. Navigation
   -------------------------------------------------------------------------- */
.site-nav {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  padding-block: 1.1rem;
  transition: background var(--t-med), backdrop-filter var(--t-med), padding var(--t-med), border-color var(--t-med);
  border-bottom: 1px solid transparent;
}
.site-nav.is-stuck {
  padding-block: .7rem;
  background: rgba(5, 6, 15, .62);
  border-bottom-color: var(--glass-stroke);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
}
.site-nav__inner {
  width: var(--shell);
  max-width: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  min-width: 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  font-weight: 700;
  letter-spacing: -.02em;
  font-size: 1.05rem;
  min-width: 0;
  flex-shrink: 1;
}
.brand > span:last-child {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.brand__glyph {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
  font-size: .95rem;
  color: #fff;
  box-shadow: 0 8px 24px -8px var(--glass-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: .35rem;
  list-style: none;
  padding: .35rem;
  border-radius: 99px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-stroke);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.nav-links a {
  display: block;
  padding: .5rem 1.05rem;
  border-radius: 99px;
  font-size: .92rem;
  color: var(--ink-dim);
  transition: color var(--t-fast), background var(--t-fast);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.is-active {
  color: #fff;
  background: linear-gradient(100deg, rgba(124,58,237,.85), rgba(34,211,238,.7));
}

.nav-side { display: flex; align-items: center; gap: .55rem; flex-shrink: 0; }
.nav-cta { padding: .7rem 1.35rem; white-space: nowrap; }
.nav-links__cta { display: none; }

/* language switcher */
.lang {
  position: relative;
}
.lang__toggle {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem 1rem;
  border-radius: 99px;
  cursor: pointer;
  background: var(--glass-bg);
  border: 1px solid var(--glass-stroke);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  font-size: .9rem;
  transition: background var(--t-fast);
}
.lang__toggle:hover { background: var(--glass-bg-2); }
.lang__toggle svg { width: .8em; height: .8em; opacity: .6; transition: transform var(--t-fast); }
.lang.is-open .lang__toggle svg { transform: rotate(180deg); }

.lang__menu {
  position: absolute;
  inset-inline-end: 0;
  top: calc(100% + .55rem);
  min-width: 172px;
  padding: .4rem;
  list-style: none;
  border-radius: var(--r-md);
  background: rgba(10, 12, 26, .96);
  border: 1px solid var(--glass-stroke);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.7);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--t-fast), transform var(--t-fast), visibility var(--t-fast);
  z-index: 120;
}
.lang.is-open .lang__menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
.lang__menu a {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .6rem .85rem;
  border-radius: 12px;
  font-size: .92rem;
  color: var(--ink-dim);
  transition: background var(--t-fast), color var(--t-fast);
}
.lang__menu a:hover { background: var(--glass-bg-2); color: var(--ink); }
.lang__menu a.is-active { color: #fff; background: linear-gradient(100deg, rgba(124,58,237,.7), rgba(34,211,238,.5)); }

.nav-burger {
  display: none;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-stroke);
  cursor: pointer;
  position: relative;
}
.nav-burger i {
  position: absolute;
  left: 50%;
  width: 18px; height: 1.5px;
  background: var(--ink);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: transform var(--t-fast), opacity var(--t-fast);
}
.nav-burger i:nth-child(1) { top: 17px; }
.nav-burger i:nth-child(2) { top: 22px; }
.nav-burger i:nth-child(3) { top: 27px; }
body.nav-open .nav-burger i:nth-child(1) { transform: translateX(-50%) translateY(5px) rotate(45deg); }
body.nav-open .nav-burger i:nth-child(2) { opacity: 0; }
body.nav-open .nav-burger i:nth-child(3) { transform: translateX(-50%) translateY(-5px) rotate(-45deg); }

/* scroll progress */
.scroll-progress {
  position: fixed;
  top: 0; inset-inline-start: 0;
  height: 2px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--violet), var(--cyan), var(--pink));
  z-index: 110;
}
html[dir="rtl"] .scroll-progress { transform-origin: right center; }

/* --------------------------------------------------------------------------
   10. Hero
   -------------------------------------------------------------------------- */
.hero {
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding-block: 8rem 4rem;
}
.hero__inner { width: var(--shell); margin-inline: auto; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .45rem 1rem .45rem .7rem;
  border-radius: 99px;
  font-size: .85rem;
  color: var(--ink-dim);
  background: var(--glass-bg);
  border: 1px solid var(--glass-stroke);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.badge b {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, .6);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  70%  { box-shadow: 0 0 0 10px rgba(52,211,153,0); }
  100% { box-shadow: 0 0 0 0 rgba(52,211,153,0); }
}

.hero__greet {
  margin-top: 1.6rem;
  color: var(--ink-dim);
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  letter-spacing: .06em;
}

.hero__name {
  margin-top: .4rem;
  font-weight: 700;
}
.hero__name .line { display: block; overflow: hidden; }
.hero__name .word {
  display: inline-block;
  will-change: transform;
  background: linear-gradient(100deg, #fff 6%, var(--cyan) 52%, var(--violet) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
/* second word starts where the first ended, so the pair reads as one sweep */
.hero__name .word:nth-child(even) {
  background-image: linear-gradient(100deg, var(--cyan) 4%, var(--violet) 48%, var(--pink) 96%);
}

.hero__role {
  margin-top: 1rem;
  font-size: clamp(1.1rem, 2.2vw, 1.9rem);
  font-weight: 500;
  color: var(--ink);
  opacity: .92;
}
.hero__role .accent {
  background: linear-gradient(100deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lede { margin-top: 1.6rem; }

.hero__cta {
  margin-top: 2.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  display: grid;
  justify-items: center;
  gap: .6rem;
  font-size: .72rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
html[dir="rtl"] .hero__scroll { transform: translateX(50%); letter-spacing: .1em; }
.hero__scroll i {
  width: 1px; height: 52px;
  background: linear-gradient(var(--ink-faint), transparent);
  position: relative;
  overflow: hidden;
}
.hero__scroll i::after {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  width: 1px; height: 18px;
  background: var(--cyan);
  animation: scroll-run 2s ease-in-out infinite;
}
@keyframes scroll-run {
  0%   { transform: translateY(-20px); opacity: 0; }
  35%  { opacity: 1; }
  100% { transform: translateY(52px); opacity: 0; }
}

/* --------------------------------------------------------------------------
   11. Marquee
   -------------------------------------------------------------------------- */
.marquee {
  padding-block: 0;
  border-block: 1px solid var(--glass-stroke);
  background: rgba(255,255,255,.02);
  overflow: hidden;
  white-space: nowrap;
}
.marquee__track {
  display: inline-flex;
  align-items: center;
  gap: 3.5rem;
  padding-block: 1.5rem;
  will-change: transform;
}
.marquee__track span {
  font-size: clamp(1rem, 1.6vw, 1.35rem);
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--ink-faint);
  display: inline-flex;
  align-items: center;
  gap: 3.5rem;
}
.marquee__track span::after {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
}

/* --------------------------------------------------------------------------
   12. About
   -------------------------------------------------------------------------- */
.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.about__sticky { position: sticky; top: 22vh; }
.about__body p + p { margin-top: 1.4rem; }
.about__body p { color: var(--ink-dim); font-size: 1.05rem; font-weight: 500; }
html[dir="rtl"] .about__body p { line-height: 2; }

.stats {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 1rem;
}
.stat {
  padding: 1.6rem 1.4rem;
  border-radius: var(--r-md);
}
.stat__num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.6vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -.04em;
  background: linear-gradient(120deg, #fff, var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}
.stat__label {
  margin-top: .3rem;
  font-size: .85rem;
  color: var(--ink-faint);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   13. Work — pinned horizontal gallery
   -------------------------------------------------------------------------- */
.work { padding-bottom: 0; }
.work__head { margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.work__head .lede { color: #e6e9f7; }

.rail {
  position: relative;
  height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.rail__track {
  display: flex;
  gap: clamp(1.25rem, 2.5vw, 2.25rem);
  padding-inline: max((100vw - var(--shell)) / 2, var(--gutter));
  will-change: transform;
}
/* breathing room after the last card so it never sits flush to the edge */
.rail__track::after {
  content: '';
  flex: 0 0 clamp(2rem, 8vw, 8rem);
}

.card {
  position: relative;
  flex: 0 0 auto;
  width: clamp(300px, 34vw, 460px);
  min-height: 60svh;
  display: flex;
  flex-direction: column;
  padding: clamp(1.5rem, 2.4vw, 2.2rem);
  border-radius: var(--r-xl);
  background: #0d1020 !important;
  border: 1px solid rgba(255, 255, 255, .18);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transform-style: flat;
  transition: transform var(--t-fast), box-shadow var(--t-med), border-color var(--t-med);
  cursor: pointer;
  overflow: hidden;
  color: #ffffff;
  isolation: isolate;
  box-shadow: 0 24px 50px -28px rgba(0, 0, 0, .75);
}
/* Soften the generic glass sheen on portfolio cards only */
.card.glass::before {
  background: linear-gradient(165deg, rgba(255,255,255,.06), transparent 36%);
  opacity: .5;
  z-index: 0;
}
.card.glass::after { display: none; }
.card:hover {
  border-color: rgba(255,255,255,.28);
  box-shadow: 0 36px 70px -32px var(--card-glow, rgba(124,58,237,.65));
}
.card__aura {
  position: absolute;
  inset: auto -20% -35% -20%;
  height: 45%;
  background: var(--card-gradient);
  filter: blur(70px);
  opacity: .18;
  transition: opacity var(--t-med);
  z-index: 0;
  pointer-events: none;
}
.card:hover .card__aura { opacity: .26; }

/* Keep copy above the glow; avoid 3D transforms on text (blurs glyphs). */
.card__top,
.card__cat,
.card__title,
.card__tagline,
.card__metrics,
.card__tech,
.card__go {
  position: relative;
  z-index: 1;
}

.card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.card__icon {
  width: 58px; height: 58px;
  display: grid; place-items: center;
  font-size: 1.6rem;
  border-radius: 18px;
  background: var(--card-gradient);
  box-shadow: 0 14px 34px -14px var(--card-glow);
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .45rem .9rem;
  border-radius: 99px;
  font-size: .82rem;
  letter-spacing: 0;
  text-transform: none;
  font-weight: 700;
  color: #ffffff;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255,255,255,.18);
}
html[dir="ltr"] .chip {
  letter-spacing: .06em;
  text-transform: uppercase;
  font-size: .74rem;
}
.chip--live b { width: 6px; height: 6px; border-radius: 50%; background: var(--mint); }
.chip--beta b { width: 6px; height: 6px; border-radius: 50%; background: var(--amber); }
.chip--wip  b { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); }

.card__cat {
  margin-top: 1.8rem;
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  color: #b8c0ff;
}
html[dir="ltr"] .card__cat {
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: .8rem;
  font-weight: 600;
  color: #aeb4d8;
}

.card__title {
  margin-top: .55rem;
  color: #ffffff;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 0;
  font-size: clamp(1.45rem, 2.2vw, 1.95rem);
}
html[dir="ltr"] .card__title {
  letter-spacing: -.02em;
  line-height: 1.2;
}

.card__tagline {
  margin-top: .8rem;
  color: #eceef8;
  font-size: 1.08rem;
  line-height: 1.8;
  font-weight: 500;
}
html[dir="rtl"] .card__tagline { line-height: 2; font-size: 1.1rem; }

.card__metrics {
  margin-top: 1.6rem;
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
}
.card__metric b {
  display: block;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: #ffffff;
}
.card__metric span {
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #c5cae0;
}

.card__tech {
  margin-top: auto;
  padding-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.tag {
  padding: .4rem .8rem;
  border-radius: 8px;
  font-size: .8rem;
  font-weight: 600;
  color: #f0f2ff;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255,255,255,.14);
}

.card__go {
  margin-top: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-weight: 800;
  font-size: 1.05rem;
  color: #ffffff;
}
.card__go span {
  position: relative;
  padding-bottom: 2px;
}
.card__go span::after {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  transform: scaleX(0);
  transform-origin: inline-start;
  transition: transform var(--t-med);
}
.card:hover .card__go span::after { transform: scaleX(1); }
.card__go i {
  display: grid; place-items: center;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  border: 1px solid var(--glass-stroke);
  transition: transform var(--t-fast), background var(--t-fast);
}
.card:hover .card__go i { background: var(--card-gradient); transform: translateX(4px) rotate(-45deg); }
html[dir="rtl"] .card:hover .card__go i { transform: translateX(-4px) rotate(-45deg); }
.card__go svg { width: 14px; height: 14px; }
html[dir="rtl"] .card__go svg { transform: scaleX(-1); }

.card--soon {
  cursor: default;
  border-style: dashed;
  border-color: rgba(255, 255, 255, .22);
  background: #0a0d1a !important;
  opacity: .92;
}
.card--soon:hover {
  border-color: rgba(255, 255, 255, .28);
  box-shadow: none;
}
.card__icon--soon {
  background: linear-gradient(135deg, rgba(255,255,255,.12), rgba(124,58,237,.35));
  color: #fff;
  font-size: 1.45rem;
  font-weight: 700;
}
.card--soon .card__title { color: #e8ebff; font-weight: 700; }
.card--soon .card__tagline { color: #c5cae0; }

.rail__hint {
  position: absolute;
  bottom: 3rem;
  inset-inline-start: max((100vw - var(--shell)) / 2, var(--gutter));
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-size: .75rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.rail__hint i {
  width: 60px; height: 1px;
  background: rgba(255,255,255,.18);
  position: relative;
  overflow: hidden;
}
.rail__hint i::after {
  content: '';
  position: absolute;
  top: 0; inset-inline-start: 0;
  width: 22px; height: 1px;
  background: var(--cyan);
  animation: hint-run 2.4s ease-in-out infinite;
}
@keyframes hint-run {
  0%   { transform: translateX(-24px); }
  100% { transform: translateX(62px); }
}

/* mobile fallback: vertical stack instead of pinned rail */
.work__stack { display: none; }

/* --------------------------------------------------------------------------
   14. Process — sticky steps
   -------------------------------------------------------------------------- */
.process__grid {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.steps { display: grid; gap: 1rem; }
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.4rem;
  padding: 1.7rem;
  border-radius: var(--r-md);
  align-items: start;
}
.step__num {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 14px;
  font-weight: 700;
  font-size: .95rem;
  background: linear-gradient(135deg, rgba(124,58,237,.9), rgba(34,211,238,.8));
  font-variant-numeric: tabular-nums;
}
.step h3 { font-size: 1.15rem; }
.step p { margin-top: .4rem; color: var(--ink-dim); font-size: .95rem; }

/* --------------------------------------------------------------------------
   15. Stack
   -------------------------------------------------------------------------- */
.stack__grid {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(255px, 100%), 1fr));
  gap: 1.1rem;
}
.stack__card { padding: 1.8rem; border-radius: var(--r-md); }
.stack__card h3 {
  font-size: .82rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}
html[dir="rtl"] .stack__card h3 { letter-spacing: .05em; }
.stack__items { margin-top: 1.2rem; display: flex; flex-wrap: wrap; gap: .5rem; }

/* --------------------------------------------------------------------------
   16. Contact
   -------------------------------------------------------------------------- */
#contact {
  position: relative;
}
#contact .shell {
  position: relative;
  z-index: 1;
}
.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.contact__grid > div .lede {
  color: #e4e7f5;
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
}
.form {
  padding: clamp(1.6rem, 3vw, 2.6rem);
  border-radius: var(--r-lg);
  display: grid;
  gap: 1.15rem;
  background: #0e1224 !important;
  border: 1px solid rgba(255, 255, 255, .18);
  box-shadow: 0 28px 60px -30px rgba(0, 0, 0, .7);
}
.form.glass::before {
  background: linear-gradient(165deg, rgba(255,255,255,.05), transparent 40%);
  opacity: .45;
}
.form.glass::after { display: none; }
.form > * { position: relative; z-index: 1; }

.field { display: grid; gap: .55rem; }
.field label {
  font-size: .95rem;
  letter-spacing: 0;
  text-transform: none;
  font-weight: 700;
  color: #f2f4ff;
}
html[dir="ltr"] .field label {
  font-size: .82rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-weight: 600;
  color: #d7dcef;
}
.field input, .field textarea {
  width: 100%;
  padding: 1rem 1.15rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .2);
  outline: none;
  color: #ffffff;
  font-size: 1.02rem;
  font-weight: 500;
  line-height: 1.6;
  transition: border-color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
  resize: vertical;
  caret-color: var(--cyan);
}
.field input::placeholder,
.field textarea::placeholder {
  color: #a8afc8;
  opacity: 1;
}
.field input:focus, .field textarea:focus {
  border-color: rgba(124, 58, 237, .85);
  background: rgba(255, 255, 255, .11);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, .2);
}
.field .error { font-size: .88rem; color: #fb7185; text-transform: none; letter-spacing: 0; font-weight: 600; }
.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; }

.form__note {
  font-size: .95rem;
  font-weight: 600;
  padding: .95rem 1.15rem;
  border-radius: 12px;
  display: none;
}
.form__note.is-ok   { display: block; background: rgba(52,211,153,.14); border: 1px solid rgba(52,211,153,.35); color: #86efc5; }
.form__note.is-fail { display: block; background: rgba(251,113,133,.14); border: 1px solid rgba(251,113,133,.35); color: #fda4af; }

.socials { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .7rem; }
.social {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .75rem 1.2rem;
  border-radius: 99px;
  font-size: .95rem;
  font-weight: 600;
  color: #f0f2ff;
  background: rgba(14, 16, 32, .85);
  border: 1px solid rgba(255, 255, 255, .16);
  transition: color var(--t-fast), background var(--t-fast), transform var(--t-fast);
}
.social:hover { color: #fff; background: rgba(255,255,255,.12); transform: translateY(-2px); }
.social svg { width: 1.05em; height: 1.05em; }

/* --------------------------------------------------------------------------
   17. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  padding-block: 3rem;
  border-top: 1px solid var(--glass-stroke);
  background: rgba(255,255,255,.015);
}
.site-footer__inner {
  width: var(--shell);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: .88rem;
  color: var(--ink-faint);
}
.to-top {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  cursor: pointer;
  background: none;
  border: 0;
  color: var(--ink-dim);
  transition: color var(--t-fast);
}
.to-top:hover { color: var(--ink); }

/* --------------------------------------------------------------------------
   18. Case study page
   -------------------------------------------------------------------------- */
.case__hero { padding-top: 12rem; }
.case__meta { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.6rem; }
.case__body { margin-top: 3rem; display: grid; grid-template-columns: minmax(0,1.4fr) minmax(0,.6fr); gap: clamp(2rem,5vw,4rem); align-items: start; }
.case__side { position: sticky; top: 20vh; display: grid; gap: 1rem; }
.case__panel { padding: 1.6rem; border-radius: var(--r-md); }
.case__panel h4 { font-size: .78rem; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: .8rem; }

/* --------------------------------------------------------------------------
   19. Reveal animation base state (JS adds .is-in)
   -------------------------------------------------------------------------- */
[data-reveal] { opacity: 0; transform: translateY(28px); }
.no-js [data-reveal], .is-reduced [data-reveal] { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   20. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .about__grid,
  .process__grid,
  .contact__grid,
  .case__body { grid-template-columns: 1fr; }
  .about__sticky, .case__side { position: static; }
}

@media (max-width: 880px) {
  :root {
    --shell: min(1280px, calc(100vw - 1.5rem));
    --gutter: .75rem;
  }

  .site-nav {
    padding-block: .85rem;
    padding-inline: .25rem;
  }
  .site-nav__inner {
    gap: .5rem;
  }

  .nav-links { display: none; }
  .nav-burger { display: block; }

  /* Contact CTA moves into the burger drawer on small screens */
  .nav-cta { display: none; }
  .nav-links__cta {
    display: block;
    margin-top: .35rem;
    padding-top: .55rem;
    border-top: 1px solid var(--glass-stroke);
  }
  .btn--nav-mobile {
    width: 100%;
    justify-content: center;
    border-radius: 14px;
    margin-top: .35rem;
  }

  /* Compact language chip: flag + chevron only */
  .lang__label { display: none; }
  .lang__toggle {
    padding: .55rem .7rem;
    gap: .35rem;
  }

  .brand { font-size: .95rem; gap: .5rem; }
  .brand__glyph { width: 32px; height: 32px; border-radius: 10px; font-size: .85rem; }

  .nav-links.is-open {
    display: grid;
    position: fixed;
    inset: 72px var(--gutter) auto;
    width: auto;
    max-width: calc(100vw - (var(--gutter) * 2));
    padding: 1rem;
    border-radius: var(--r-lg);
    background: rgba(10,12,26,.96);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    z-index: 120;
    gap: .15rem;
  }
  .nav-links.is-open a { padding: .85rem 1rem; font-size: 1rem; }

  .hero {
    min-height: 100svh;
    min-height: 100dvh;
    padding-block: 6.5rem 3rem;
    align-items: end;
  }
  .hero__cta {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }
  .hero__cta .btn { width: 100%; justify-content: center; }

  .h-display { font-size: clamp(2.2rem, 11vw, 3.4rem); line-height: 1.25; }
  .h-section { font-size: clamp(1.65rem, 7vw, 2.4rem); }

  /* pinned rail is expensive on small screens — use a normal stack */
  .rail { display: none; }
  .work { padding-bottom: clamp(5rem, 12vh, 9rem); }
  .work__stack {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: 1fr;
  }
  .work__stack .card {
    width: 100%;
    max-width: 100%;
    min-height: 0;
    padding: 1.35rem;
  }

  .stats { grid-template-columns: 1fr 1fr; gap: .85rem; }
  .stack__grid { grid-template-columns: 1fr; }
  .marquee { margin-block: 2rem; }

  .contact__grid { gap: 2rem; }
  .form { padding: 1.25rem; }
  .socials { flex-wrap: wrap; }

  .site-footer__inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
    justify-content: center;
  }

  .lang__menu {
    inset-inline-end: 0;
    min-width: 160px;
  }
}

@media (max-width: 520px) {
  :root {
    --shell: min(1280px, calc(100vw - 1.25rem));
  }

  .brand > span:last-child { max-width: 42vw; }

  .hero__cta .btn { width: 100%; justify-content: center; }
  .site-footer__inner { justify-content: center; text-align: center; }

  .stats { grid-template-columns: 1fr 1fr; }
  .card__metrics { gap: 1rem; }
  .badge { font-size: .8rem; }
}

/* --------------------------------------------------------------------------
   21. Accessibility
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .aurora { animation: none; }
  [data-reveal] { opacity: 1; transform: none; }
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  inset-inline-start: -9999px;
  top: 1rem;
  z-index: 300;
  padding: .8rem 1.2rem;
  border-radius: 99px;
  background: var(--violet);
  color: #fff;
}
.skip-link:focus { inset-inline-start: 1rem; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}