/* ==========================================================================
   Cloutechio — Design System
   Palette derived from brand mark (navy / brand blue / cyan wave)
   ========================================================================== */

:root {
  /* Brand colors — sampled from logo */
  --navy-950: #071022;
  --navy-900: #0A1B33;
  --navy-800: #15305E;
  --navy-700: #1D3F73;
  --blue-700: #1E4E92;
  --blue-600: #2069B3;
  --blue-500: #2E86C1;
  --cyan-500: #1D95D3;
  --cyan-400: #23A7E8;
  --cyan-300: #6FD0F5;
  --cyan-200: #B7E8FA;

  /* Neutrals */
  --ink-900: #0A1526;
  --ink-700: #33415C;
  --ink-500: #5B6B85;
  --ink-400: #8492A8;
  --surface-0: #FFFFFF;
  --surface-50: #F6F9FC;
  --surface-100: #EEF3F9;
  --surface-200: #E1E9F2;
  --border-soft: #DCE5F0;

  /* Type */
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Type scale */
  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1.0625rem;
  --fs-md: 1.25rem;
  --fs-lg: 1.75rem;
  --fs-xl: 2.5rem;
  --fs-2xl: 3.25rem;
  --fs-3xl: 4.25rem;

  /* Spacing */
  --space-section: clamp(5rem, 9vw, 9rem);
  --container-w: 1240px;

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 0.2s;
  --dur-med: 0.45s;
  --dur-slow: 0.8s;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --shadow-card: 0 1px 2px rgba(10, 27, 51, 0.04), 0 12px 32px -12px rgba(10, 27, 51, 0.12);
  --shadow-card-hover: 0 4px 10px rgba(10, 27, 51, 0.06), 0 24px 48px -16px rgba(21, 48, 94, 0.2);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 92px; }

body {
  font-family: var(--font-body);
  color: var(--ink-700);
  background: var(--surface-0);
  line-height: 1.6;
  font-size: var(--fs-base);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; font-size: inherit; color: inherit; }

.container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

/* Language toggling: hidden attr wins regardless of component display */
.lang-fr[hidden], .lang-en[hidden] { display: none !important; }

/* subtle grain overlay for depth on dark sections */
.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 9999;
  opacity: 0.025; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.95rem 1.7rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-sm);
  letter-spacing: 0.01em;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.btn svg { transition: transform var(--dur-fast) var(--ease); }
.btn:hover svg { transform: translateX(3px); }

.btn-primary {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  color: #fff;
  box-shadow: 0 8px 20px -8px rgba(32, 105, 179, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 28px -10px rgba(32, 105, 179, 0.6); }
.btn-primary:active { transform: translateY(0); }

.btn-accent {
  background: var(--cyan-400);
  color: var(--navy-900);
  box-shadow: 0 8px 20px -8px rgba(35, 167, 232, 0.5);
}
.btn-accent:hover { transform: translateY(-2px); background: var(--cyan-300); }

.btn-ghost {
  background: transparent;
  color: var(--ink-900);
  border: 1.5px solid var(--border-soft);
}
.btn-ghost:hover { border-color: var(--blue-600); color: var(--blue-600); background: var(--surface-50); }

.btn-sm { padding: 0.7rem 1.3rem; font-size: var(--fs-xs); }
.btn-block { width: 100%; justify-content: center; }

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  padding-block: 1.35rem;
  transition: padding var(--dur-med) var(--ease), background var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease);
}
.site-header.scrolled {
  padding-block: 0.7rem;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(14px) saturate(1.4);
  box-shadow: 0 1px 0 rgba(10,27,51,0.06), 0 12px 30px -18px rgba(10,27,51,0.25);
}

.header-inner { display: flex; align-items: center; gap: 2.25rem; }

.brand { display: flex; align-items: center; gap: 0.65rem; flex-shrink: 0; }
.brand-logo { height: 34px; width: auto; }
.brand-name {
  font-family: var(--font-display); font-weight: 700; font-size: 1.2rem;
  color: #fff; letter-spacing: -0.01em; transition: color var(--dur-med) var(--ease);
}
.site-header.scrolled .brand-name { color: var(--navy-900); }

.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-list { display: flex; align-items: center; gap: 2.1rem; }
.nav-link {
  position: relative; font-size: var(--fs-sm); font-weight: 500;
  color: rgba(255,255,255,0.8); padding-block: 0.4rem; display: inline-flex; align-items: center; gap: 0.3rem;
  transition: color var(--dur-fast) var(--ease);
}
.nav-link::after {
  content: ""; position: absolute; left: 50%; bottom: -2px; width: 0; height: 2px;
  background: var(--cyan-400); transition: width var(--dur-med) var(--ease), left var(--dur-med) var(--ease);
}
.nav-link:hover, .nav-link.active { color: #fff; }
.nav-link:hover::after, .nav-link.active::after { width: 100%; left: 0; }
.nav-link .caret { transition: transform var(--dur-fast) var(--ease); }

.site-header.scrolled .nav-link { color: var(--ink-700); }
.site-header.scrolled .nav-link:hover, .site-header.scrolled .nav-link.active { color: var(--navy-900); }
.site-header.scrolled .nav-link::after { background: var(--cyan-500); }

.has-dropdown { position: relative; }
.has-dropdown:hover .caret { transform: rotate(180deg); }
/* Invisible hit-area bridging the gap between the nav link and the
   floating dropdown panel, so the pointer never leaves `.has-dropdown`
   (and therefore never triggers a hover-out) while moving diagonally
   down into the menu. */
.has-dropdown::after {
  content: ""; position: absolute; left: 50%; top: 100%; transform: translateX(-50%);
  width: 260px; height: 28px;
}
.dropdown {
  position: absolute; top: calc(100% + 1rem); left: 50%; transform: translateX(-50%) translateY(6px);
  background: var(--surface-0); border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  box-shadow: var(--shadow-card-hover); padding: 0.6rem; min-width: 250px;
  display: grid; gap: 0.15rem;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity var(--dur-med) var(--ease), transform var(--dur-med) var(--ease), visibility var(--dur-med);
}
.has-dropdown:hover .dropdown, .has-dropdown:focus-within .dropdown {
  opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0);
}
.dropdown a {
  padding: 0.65rem 0.85rem; border-radius: 10px; font-size: var(--fs-sm); color: var(--ink-700);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), padding-left var(--dur-fast) var(--ease);
}
.dropdown a:hover { background: var(--surface-50); color: var(--blue-600); padding-left: 1.1rem; }

.header-actions { display: flex; align-items: center; gap: 0.9rem; flex-shrink: 0; }

.lang-toggle {
  position: relative; display: flex; align-items: center; width: 76px; height: 36px;
  background: var(--surface-100); border-radius: 999px; padding: 3px; border: 1px solid var(--border-soft);
}
.lang-thumb {
  position: absolute; top: 3px; left: 3px; width: 35px; height: 28px;
  background: var(--navy-900); border-radius: 999px;
  transition: transform var(--dur-med) var(--ease); z-index: 1;
}
[data-lang="en"] .lang-thumb { transform: translateX(35px); }
.lang-opt {
  position: relative; z-index: 2; flex: 1; text-align: center; font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.03em; color: var(--ink-500); transition: color var(--dur-fast) var(--ease);
}
[data-lang="fr"] .lang-opt[data-set="fr"], [data-lang="en"] .lang-opt[data-set="en"] { color: #fff; }

.menu-toggle { display: none; flex-direction: column; gap: 5px; width: 26px; }
.menu-toggle span { display: block; height: 2px; width: 100%; background: #fff; border-radius: 2px; transition: transform var(--dur-med) var(--ease), opacity var(--dur-fast) var(--ease), background var(--dur-med) var(--ease); }
.site-header.scrolled .menu-toggle span { background: var(--navy-900); }
body.nav-open .menu-toggle span { background: #fff; }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative; padding-top: clamp(9rem, 14vw, 12rem); padding-bottom: 5rem;
  background: linear-gradient(180deg, var(--navy-900) 0%, var(--navy-800) 55%, var(--navy-700) 100%);
  color: #fff; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-wave { position: absolute; bottom: 0; left: 0; width: 100%; height: 55%; opacity: 0.35; }
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 30% 20%, black, transparent);
}
.hero-particles { position: absolute; inset: 0; width: 100%; height: 100%; }

/* Custom cursor — scoped to the hero only, and only on real pointer devices
   (see js/main.js: gated behind prefers-reduced-motion + hover:hover/pointer:fine). */
.cursor-dot, .cursor-ring {
  position: fixed; top: 0; left: 0; border-radius: 50%; pointer-events: none; z-index: 700;
  opacity: 0; transition: opacity 0.25s ease;
}
.cursor-dot {
  width: 7px; height: 7px; margin: -3.5px 0 0 -3.5px; background: var(--cyan-300);
}
.cursor-ring {
  width: 38px; height: 38px; margin: -19px 0 0 -19px; border: 1.5px solid rgba(111, 208, 245, 0.55);
  transition: opacity 0.25s ease, width 0.25s var(--ease), height 0.25s var(--ease), margin 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}
.cursor-dot.visible, .cursor-ring.visible { opacity: 1; }
.cursor-ring.hover { width: 68px; height: 68px; margin: -34px 0 0 -34px; background: rgba(111, 208, 245, 0.1); border-color: var(--cyan-400); }
.cursor-ring.press { width: 30px; height: 30px; margin: -15px 0 0 -15px; }
.hero.cursor-active, .hero.cursor-active a, .hero.cursor-active button { cursor: none; }

.hero-inner {
  position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem; align-items: center; min-height: 44vh;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem; font-family: var(--font-mono); font-size: 0.78rem;
  font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--cyan-300);
  margin-bottom: 1.5rem;
}
.eyebrow::before {
  content: ""; width: 28px; height: 9px; display: inline-block; flex-shrink: 0;
  background: currentColor;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 8'%3E%3Cpath d='M0,4 Q3.5,0 7,4 Q10.5,8 14,4 Q17.5,0 21,4 Q24.5,8 28,4' fill='none' stroke='black' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 8'%3E%3Cpath d='M0,4 Q3.5,0 7,4 Q10.5,8 14,4 Q17.5,0 21,4 Q24.5,8 28,4' fill='none' stroke='black' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
  -webkit-mask-size: contain; mask-size: contain;
}
.eyebrow-dark { color: var(--blue-600); }

.hero-title {
  font-family: var(--font-display); font-size: var(--fs-3xl); font-weight: 700; line-height: 1.08;
  letter-spacing: -0.02em; margin-bottom: 1.6rem; max-width: 16ch;
}
/* Kinetic word-by-word reveal — JS wraps each word in .kw at init. Gated
   behind .js-reveal (added by JS) so the title is never stuck invisible if
   JS fails; plain text shows immediately by default. */
.js-reveal .kw {
  display: inline-block; opacity: 0; transform: translateY(0.9em) rotate(3deg);
  animation: kineticIn 0.7s var(--ease) forwards;
  animation-delay: calc(var(--i, 0) * 0.045s + 0.15s);
}
@keyframes kineticIn { to { opacity: 1; transform: translateY(0) rotate(0); } }

.hero-sub { font-size: var(--fs-md); color: rgba(255,255,255,0.72); max-width: 46ch; margin-bottom: 2.4rem; font-weight: 400; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.magnetic { transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease); }

.hero-figure { position: relative; display: flex; justify-content: center; align-items: center; perspective: 1000px; }
.hero-panel {
  position: relative; width: min(100%, 380px); aspect-ratio: 1/1.05;
  background: linear-gradient(155deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.14); border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center; backdrop-filter: blur(6px);
  transform-style: preserve-3d; transition: transform 0.35s var(--ease);
  will-change: transform;
}
.hero-logo-mark { width: 62%; filter: drop-shadow(0 20px 40px rgba(0,0,0,0.35)); animation: float 6s ease-in-out infinite; }
.hero-panel-glow {
  position: absolute; width: 70%; height: 70%; left: 15%; top: 15%; z-index: -1;
  background: radial-gradient(circle, rgba(35,167,232,0.35), transparent 70%); filter: blur(30px);
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

.hero-stats {
  position: relative; z-index: 1; margin-top: clamp(3.5rem, 7vw, 6rem);
  display: flex; align-items: center; gap: clamp(1.5rem, 4vw, 3.5rem); flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,0.14); padding-top: 2.5rem;
}
.stat-item { display: flex; flex-direction: column; gap: 0.3rem; }
.stat-num {
  font-family: var(--font-display); font-size: var(--fs-2xl); font-weight: 700; color: #fff; letter-spacing: -0.01em;
}
.stat-label { font-size: var(--fs-xs); color: rgba(255,255,255,0.6); max-width: 20ch; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.16); }

/* ==========================================================================
   Section shared
   ========================================================================== */

section { padding-block: var(--space-section); }
.section-head { max-width: 640px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-title {
  font-family: var(--font-display); font-size: var(--fs-xl); font-weight: 600; color: var(--navy-900);
  line-height: 1.18; letter-spacing: -0.015em;
}

/* ==========================================================================
   About
   ========================================================================== */

.about { background: var(--surface-50); }
.about-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.about-side { position: sticky; top: 7.5rem; }
.about-photo {
  margin-top: 2.2rem; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3;
  box-shadow: var(--shadow-card);
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-lead { font-size: var(--fs-lg); font-weight: 500; color: var(--navy-900); line-height: 1.4; margin-bottom: 1.5rem; letter-spacing: -0.01em; }
.about-body { color: var(--ink-500); max-width: 62ch; margin-bottom: 3rem; }

.why-list { display: grid; gap: 0; }
.why-item {
  display: grid; grid-template-columns: 3.2rem 1fr; gap: 1.5rem; padding-block: 1.9rem;
  border-top: 1px solid var(--border-soft);
}
.why-item:last-child { border-bottom: 1px solid var(--border-soft); }
.why-index { font-family: var(--font-mono); color: var(--cyan-500); font-weight: 500; font-size: var(--fs-sm); padding-top: 0.2rem; }
.why-item h3 { font-family: var(--font-display); font-size: var(--fs-md); font-weight: 600; color: var(--navy-900); margin-bottom: 0.5rem; letter-spacing: -0.01em; }
.why-item p { color: var(--ink-500); max-width: 56ch; }

/* ==========================================================================
   Services — editorial index/detail layout
   ========================================================================== */

.services-layout { display: grid; grid-template-columns: 0.9fr 1.6fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }

.services-index {
  position: sticky; top: 7.5rem; display: flex; flex-direction: column;
  border-top: 1px solid var(--border-soft);
}
.svc-tab {
  display: flex; align-items: center; gap: 1rem; text-align: left; padding: 1.15rem 0.5rem;
  border-bottom: 1px solid var(--border-soft); transition: padding-left var(--dur-fast) var(--ease);
}
.svc-tab-num { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--ink-400); }
.svc-tab-name { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-base); color: var(--ink-500); transition: color var(--dur-fast) var(--ease); }
.svc-tab:hover { padding-left: 0.9rem; }
.svc-tab:hover .svc-tab-name { color: var(--navy-900); }
.svc-tab.active { padding-left: 0.9rem; }
.svc-tab.active .svc-tab-name { color: var(--blue-600); }
.svc-tab.active .svc-tab-num { color: var(--blue-600); }
.svc-tab.active { position: relative; }
.svc-tab.active::before {
  content: ""; position: absolute; left: -1px; top: 0; bottom: 0; width: 2px; background: var(--blue-600);
}

.services-panels { position: relative; min-height: 420px; }
.svc-panel {
  display: none; background: var(--surface-0); border: 1px solid var(--border-soft); border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3rem); box-shadow: var(--shadow-card);
  animation: panelIn 0.5s var(--ease);
}
.svc-panel.active { display: block; }
@keyframes panelIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.svc-icon {
  width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(150deg, var(--surface-100), var(--surface-50)); color: var(--blue-600);
  margin-bottom: 1.6rem;
}
.svc-icon svg { width: 30px; height: 30px; }
.svc-panel h3 { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 600; color: var(--navy-900); margin-bottom: 0.8rem; letter-spacing: -0.01em; }
.svc-desc { color: var(--ink-500); font-size: var(--fs-md); max-width: 56ch; margin-bottom: 2rem; }
.svc-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem 1.5rem; }
.svc-list li {
  position: relative; padding-left: 1.4rem; font-size: var(--fs-sm); color: var(--ink-700); font-weight: 500;
}
.svc-list li::before {
  content: ""; position: absolute; left: 0; top: 0.5em; width: 6px; height: 6px; border-radius: 2px;
  background: var(--cyan-500); transform: rotate(45deg);
}

.svc-more {
  display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 2rem;
  font-family: var(--font-display); font-weight: 600; font-size: var(--fs-sm); color: var(--blue-600);
}
.svc-more svg { transition: transform var(--dur-fast) var(--ease); }
.svc-more:hover svg { transform: translateX(3px); }

/* ==========================================================================
   Approach — zigzag timeline
   ========================================================================== */

.approach { position: relative; overflow: hidden; background: var(--navy-900); color: #fff; }
.approach > .container { position: relative; z-index: 3; }
.approach .eyebrow-dark { color: var(--cyan-300); }
.approach .eyebrow-dark::before { background: var(--cyan-400); }
.approach .section-title { color: #fff; }

.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; position: relative; }
.timeline::before {
  content: ""; position: absolute; top: 26px; left: 5%; right: 5%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2) 15%, rgba(255,255,255,0.2) 85%, transparent);
}
.timeline-step {
  position: relative; padding-top: 4.2rem;
  transition: transform var(--dur-med) var(--ease);
}
.timeline-step:nth-child(even) { transform: translateY(1.8rem); }
.timeline-num {
  position: absolute; top: 0; left: 0; font-family: var(--font-display); font-size: 1.4rem; font-weight: 700;
  width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--navy-800); border: 1px solid rgba(255,255,255,0.18); color: var(--cyan-300);
}
.timeline-step h3 { font-family: var(--font-display); font-size: var(--fs-md); font-weight: 600; margin-bottom: 0.7rem; letter-spacing: -0.01em; }
.timeline-step p { color: rgba(255,255,255,0.62); font-size: var(--fs-sm); max-width: 30ch; }

.approach-compact { padding-block: clamp(3.5rem, 6vw, 5.5rem); }
.timeline-compact .timeline-step h3 { margin-bottom: 0; }
.approach-more { display: flex; justify-content: center; margin-top: 3rem; }
.approach-compact .svc-more { color: var(--cyan-300); }

/* ==========================================================================
   Service detail pages
   ========================================================================== */

.svc-hero {
  position: relative; padding-top: clamp(8.5rem, 13vw, 11rem); padding-bottom: clamp(3.5rem, 6vw, 5.5rem);
  background-size: cover; background-position: center; color: #fff; overflow: hidden;
}
.svc-hero > .container { position: relative; z-index: 2; }
.breadcrumb {
  display: inline-block; font-size: var(--fs-xs); font-weight: 600; color: rgba(255,255,255,0.7);
  margin-bottom: 1.6rem; transition: color var(--dur-fast) var(--ease);
}
.breadcrumb:hover { color: #fff; }
.svc-hero .eyebrow { color: var(--cyan-300); }
.svc-hero .eyebrow::before { background: var(--cyan-400); }
.svc-hero h1 {
  font-family: var(--font-display); font-size: var(--fs-2xl); font-weight: 700; letter-spacing: -0.02em;
  line-height: 1.1; margin-bottom: 1.4rem; max-width: 20ch;
}
.svc-hero-intro { font-size: var(--fs-md); color: rgba(255,255,255,0.78); max-width: 56ch; margin-bottom: 2rem; }

.svc-detail { padding-block: clamp(4rem, 7vw, 6.5rem); }
.svc-detail-grid { display: grid; grid-template-columns: auto 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.svc-icon-lg {
  width: 84px; height: 84px; border-radius: 20px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(150deg, var(--surface-100), var(--surface-50)); color: var(--blue-600); flex-shrink: 0;
}
.svc-icon-lg svg { width: 44px; height: 44px; }
.svc-list-lg { grid-template-columns: 1fr 1fr; gap: 1.1rem 2rem; margin-top: 1.6rem; }
.svc-list-lg li { font-size: var(--fs-base); }

.related-services { padding-block: clamp(3rem, 5vw, 4.5rem); background: var(--surface-50); }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.2rem; }
.related-card {
  display: flex; align-items: center; gap: 1rem; background: var(--surface-0); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); padding: 1.3rem 1.5rem; transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.related-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); border-color: transparent; }
.related-num { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--cyan-500); flex-shrink: 0; }
.related-name { font-family: var(--font-display); font-weight: 600; color: var(--navy-900); font-size: var(--fs-sm); }

/* ==========================================================================
   Use cases (dedicated page)
   ========================================================================== */

.use-cases-detail { padding-block: clamp(4rem, 7vw, 6.5rem); }
.uc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap: 1.75rem; }
.uc-card {
  --card-pad: clamp(1.8rem, 3vw, 2.4rem);
  background: var(--surface-0); border: 1px solid var(--border-soft); border-radius: var(--radius-lg);
  padding: var(--card-pad); overflow: hidden;
  transition: transform var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease), border-color var(--dur-med) var(--ease);
}
.uc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); border-color: transparent; }
.uc-thumb {
  height: 160px; margin: calc(var(--card-pad) * -1) calc(var(--card-pad) * -1) 1.6rem;
  background-size: cover; background-position: center;
}
.uc-card h2 { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 600; color: var(--navy-900); margin-bottom: 0.7rem; letter-spacing: -0.01em; }
.uc-summary { color: var(--ink-500); font-size: var(--fs-sm); margin-bottom: 1.5rem; }
.uc-details { display: grid; gap: 0.9rem; padding-top: 1.3rem; border-top: 1px solid var(--border-soft); margin-bottom: 1.6rem; }
.uc-details > div { display: grid; grid-template-columns: 88px 1fr; gap: 0.75rem; }
.uc-details dt { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.04em; color: var(--cyan-500); padding-top: 0.15rem; }
.uc-details dd { font-size: var(--fs-sm); color: var(--ink-700); }

/* ==========================================================================
   Tech marquee
   ========================================================================== */

.stack { padding-block: 4rem; background: var(--surface-50); }
.stack-label { text-align: center; font-size: var(--fs-xs); color: var(--ink-400); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; margin-bottom: 2.2rem; }
.marquee { overflow: hidden; position: relative; -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent); mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent); }
.marquee-track { display: flex; gap: 3.5rem; width: max-content; animation: marquee 34s linear infinite; }
.marquee-track span {
  font-family: var(--font-display); font-weight: 600; font-size: var(--fs-md); color: var(--ink-400);
  white-space: nowrap; transition: color var(--dur-fast) var(--ease);
}
.marquee-track span:hover { color: var(--blue-600); }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ==========================================================================
   Use cases — asymmetric bento
   ========================================================================== */

.cases-grid { display: grid; grid-template-columns: 1.3fr 1fr; grid-template-rows: auto auto; gap: 1.5rem; }
.case-card {
  --card-pad: clamp(1.8rem, 3vw, 2.6rem);
  background: var(--surface-0); border: 1px solid var(--border-soft); border-radius: var(--radius-lg);
  padding: var(--card-pad); transition: transform var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease), border-color var(--dur-med) var(--ease);
  overflow: hidden;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); border-color: transparent; }
.case-card-lg {
  grid-row: 1 / 3; color: #fff; border: none; display: flex; flex-direction: column; justify-content: flex-end;
  min-height: 380px; background-size: cover; background-position: center;
}
.case-card-lg h3 { color: #fff; }
.case-card-lg p { color: rgba(255,255,255,0.72); }
.case-card-lg .case-tag { background: rgba(255,255,255,0.14); color: var(--cyan-300); }

.case-thumb {
  height: 150px; margin: calc(var(--card-pad) * -1) calc(var(--card-pad) * -1) 1.6rem;
  background-size: cover; background-position: center;
}

.case-tag {
  display: inline-block; font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.04em;
  text-transform: uppercase; background: var(--surface-100); color: var(--blue-600); padding: 0.35rem 0.75rem; border-radius: 999px;
  margin-bottom: 1.1rem; width: fit-content;
}
.case-card h3 { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 600; color: var(--navy-900); margin-bottom: 0.8rem; letter-spacing: -0.01em; }
.case-card p { color: var(--ink-500); font-size: var(--fs-sm); }

.use-cases-more { display: flex; justify-content: center; margin-top: 2.5rem; }

/* ==========================================================================
   CTA band
   ========================================================================== */

.cta-band { position: relative; background: linear-gradient(160deg, var(--blue-700), var(--navy-800)); padding-top: 0; padding-bottom: 0; overflow: hidden; }
.cta-wave { display: block; width: 100%; height: auto; }
.cta-inner { text-align: center; padding-block: clamp(3.5rem, 7vw, 6rem); max-width: 720px; }
.cta-inner h2 { font-family: var(--font-display); font-size: var(--fs-xl); font-weight: 600; color: #fff; letter-spacing: -0.015em; margin-bottom: 1rem; }
.cta-inner p { color: rgba(255,255,255,0.75); font-size: var(--fs-md); margin-bottom: 2.2rem; }

/* ==========================================================================
   Legal pages (Legal notice / Privacy policy)
   ========================================================================== */

.legal-content { padding-block: clamp(3rem, 6vw, 5rem); }
.legal-content .container { max-width: 780px; }
.legal-updated {
  display: inline-block; font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--ink-400);
  margin-bottom: 2.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border-soft); width: 100%;
}
.legal-content h2 {
  font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 600; color: var(--navy-900);
  margin: 2.6rem 0 1rem; letter-spacing: -0.01em;
}
.legal-content h2:first-of-type { margin-top: 0; }
.legal-content h3 {
  font-family: var(--font-display); font-size: var(--fs-base); font-weight: 600; color: var(--navy-900);
  margin: 1.6rem 0 0.7rem;
}
.legal-content p { color: var(--ink-700); margin-bottom: 1.1rem; max-width: 68ch; }
.legal-content ul { margin: 0 0 1.1rem 1.3rem; color: var(--ink-700); max-width: 68ch; }
.legal-content li { margin-bottom: 0.5rem; padding-left: 0.3rem; }
.legal-content strong { color: var(--navy-900); font-weight: 600; }
.legal-content a { color: var(--blue-600); text-decoration: underline; text-underline-offset: 2px; }
.legal-content a:hover { color: var(--cyan-500); }
.legal-placeholder {
  background: rgba(35, 167, 232, 0.12); color: var(--blue-700); padding: 0.05em 0.4em; border-radius: 5px;
  font-family: var(--font-mono); font-size: 0.92em; font-weight: 500;
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(2rem, 6vw, 5rem); }
.contact-lead { color: var(--ink-500); font-size: var(--fs-md); max-width: 40ch; margin: 1.2rem 0 2.5rem; }
.contact-details { display: grid; gap: 1.4rem; }
.contact-details li { display: flex; align-items: center; gap: 0.9rem; color: var(--ink-700); font-weight: 500; }
.contact-details svg { color: var(--blue-600); flex-shrink: 0; }
.contact-details a:hover { color: var(--blue-600); }

.contact-form { background: var(--surface-50); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); padding: clamp(1.8rem, 3vw, 2.6rem); display: grid; gap: 1.3rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem; }
.field { position: relative; }
.field input, .field textarea {
  width: 100%; padding: 1.1rem 1rem 0.5rem; border: 1.5px solid var(--border-soft); border-radius: 12px;
  background: var(--surface-0); transition: border-color var(--dur-fast) var(--ease); resize: vertical;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--blue-600); box-shadow: 0 0 0 3px rgba(32, 105, 179, 0.18); }
.field label {
  position: absolute; left: 1rem; top: 1.05rem; font-size: var(--fs-sm); color: var(--ink-400);
  pointer-events: none; transition: transform var(--dur-fast) var(--ease), font-size var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), top var(--dur-fast) var(--ease);
  transform-origin: left top;
}
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label {
  top: 0.45rem; font-size: 0.72rem; color: var(--blue-600); font-weight: 600;
}
.form-note { font-size: var(--fs-xs); color: var(--cyan-500); font-weight: 600; min-height: 1em; }
.form-note.error { color: #C7433D; }

.field.invalid input, .field.invalid textarea { border-color: #C7433D; }
.field.invalid input:focus, .field.invalid textarea:focus { box-shadow: 0 0 0 3px rgba(199, 67, 61, 0.16); }
.field-error {
  display: none; color: #C7433D; font-size: 0.78rem; font-weight: 500; margin-top: 0.45rem;
}
.field.invalid .field-error { display: block; }

/* Honeypot — invisible to real visitors, present in the DOM for bots that
   auto-fill every field. Not display:none, since some bots skip that. */
.hp-field {
  position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; overflow: hidden;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer { background: var(--navy-950); color: rgba(255,255,255,0.7); padding-top: clamp(3.5rem, 6vw, 5.5rem); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2.5rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { margin-top: 1rem; max-width: 30ch; font-size: var(--fs-sm); }
.footer-col h4 { font-family: var(--font-display); color: #fff; font-size: var(--fs-sm); font-weight: 600; margin-bottom: 1.1rem; }
.footer-col { display: flex; flex-direction: column; gap: 0.7rem; font-size: var(--fs-sm); }
.footer-col a:hover { color: var(--cyan-300); }
.footer-bottom { padding-block: 1.6rem; font-size: var(--fs-xs); text-align: center; color: rgba(255,255,255,0.55); }

/* ==========================================================================
   Back to top
   ========================================================================== */

.back-to-top {
  position: fixed; bottom: 1.8rem; right: 1.8rem; width: 46px; height: 46px; border-radius: 50%;
  background: var(--navy-900); color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-card-hover); opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity var(--dur-med) var(--ease), transform var(--dur-med) var(--ease), background var(--dur-fast) var(--ease);
  z-index: 400;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--blue-600); }

/* ==========================================================================
   Cookie consent banner
   ========================================================================== */

.consent-banner {
  position: fixed; left: 1.25rem; right: 1.25rem; bottom: 1.25rem; z-index: 600;
  max-width: 560px; margin-inline: auto;
  background: var(--navy-900); color: rgba(255,255,255,0.85);
  border-radius: var(--radius-md); box-shadow: var(--shadow-card-hover);
  padding: 1.4rem 1.6rem; display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap;
  opacity: 0; visibility: hidden; transform: translateY(16px);
  transition: opacity var(--dur-med) var(--ease), transform var(--dur-med) var(--ease), visibility var(--dur-med);
}
.consent-banner.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.consent-banner p { font-size: var(--fs-xs); flex: 1 1 260px; }
.consent-actions { display: flex; gap: 0.7rem; flex-shrink: 0; }
.consent-banner .btn-ghost { border-color: rgba(255,255,255,0.25); color: #fff; }
.consent-banner .btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.4); color: #fff; }

/* ==========================================================================
   Scroll reveal
   ========================================================================== */

/* Reveal animation is opt-in via .js-reveal on <html> (added by JS after it
   confirms it can actually animate elements back in) so content is never
   stuck invisible if JS fails to load/execute. */
.js-reveal [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.js-reveal [data-reveal].in-view { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   Ocean theme — wave section dividers, footer wave, fin watermark
   ========================================================================== */

.section-wave { position: absolute; left: 0; width: 100%; height: 64px; z-index: 2; pointer-events: none; display: block; }
.section-wave-top { top: -1px; }
.section-wave-bottom { bottom: -1px; }

.footer-wave { display: block; width: 100%; height: 48px; margin-bottom: -1px; }

/* Faint brand watermark — the logo mark reused as a large, near-invisible
   background motif. Purely decorative, never competes with foreground text. */
.fin-watermark {
  position: absolute; pointer-events: none; z-index: 0; opacity: 0.05;
  filter: brightness(0) invert(1);
}
.fin-watermark img { width: 100%; height: auto; display: block; }

/* Liquid wobble on the hero cursor ring — a droplet-like idle motion. */
@keyframes blobMorph {
  0%, 100% { border-radius: 50%; }
  25% { border-radius: 46% 54% 52% 48% / 48% 52% 48% 52%; }
  50% { border-radius: 54% 46% 48% 52% / 52% 48% 52% 48%; }
  75% { border-radius: 48% 52% 54% 46% / 46% 54% 46% 54%; }
}
.cursor-ring.visible { animation: blobMorph 4s ease-in-out infinite; }

/* Click ripple — a droplet hitting water, spawned by JS at the click point. */
.click-ripple {
  position: fixed; z-index: 650; width: 12px; height: 12px; margin: -6px 0 0 -6px;
  border-radius: 50%; border: 1.5px solid rgba(163, 224, 248, 0.8); pointer-events: none;
  animation: rippleOut 0.8s ease-out forwards;
}
@keyframes rippleOut { to { width: 90px; height: 90px; margin: -45px 0 0 -45px; opacity: 0; border-width: 0.5px; } }

/* ==========================================================================
   Accessibility — skip link, focus-visible
   ========================================================================== */

.skip-link {
  position: fixed; top: -80px; left: 1rem; z-index: 1000;
  background: var(--navy-900); color: #fff; padding: 0.85rem 1.4rem; border-radius: 8px;
  font-family: var(--font-display); font-weight: 600; font-size: var(--fs-sm);
  transition: top 0.2s var(--ease); text-decoration: none;
}
.skip-link:focus-visible { top: 1rem; }

a:focus-visible, button:focus-visible, .svc-tab:focus-visible,
.related-card:focus-visible, .case-card:focus-visible, .uc-card:focus-visible,
.menu-toggle:focus-visible, .lang-toggle:focus-visible {
  outline: 2px solid var(--cyan-400); outline-offset: 3px; border-radius: 4px;
}
.back-to-top:focus-visible, .lang-toggle:focus-visible { border-radius: 999px; }

/* ==========================================================================
   Sticky mobile CTA
   ========================================================================== */

.sticky-cta {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 550;
  padding: 0.9rem 1rem calc(0.9rem + env(safe-area-inset-bottom, 0px));
  background: rgba(10, 27, 51, 0.94); backdrop-filter: blur(12px) saturate(1.3);
  border-top: 1px solid rgba(255,255,255,0.1);
  transform: translateY(100%); transition: transform 0.35s var(--ease);
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta .btn { width: 100%; justify-content: center; }

@media (max-width: 980px) {
  .sticky-cta { display: block; }
}

/* ==========================================================================
   Blur-up image loading
   ========================================================================== */

.bg-blurup { position: relative; }
.bg-blurup::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background-image: inherit; background-size: cover; background-position: center;
  filter: blur(24px); transform: scale(1.08);
  transition: opacity 0.7s ease; opacity: 1; pointer-events: none;
}
.bg-blurup.bg-loaded::before { opacity: 0; }

.img-blurup { filter: blur(20px); transform: scale(1.05); transition: filter 0.7s ease, transform 0.7s ease; }
.img-blurup.img-loaded { filter: blur(0); transform: scale(1); }

/* ==========================================================================
   Mobile
   ========================================================================== */

@media (max-width: 980px) {
  .main-nav {
    position: fixed; inset: 0; top: 0; background: var(--navy-900); z-index: 400;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transform: translateY(-12px);
    transition: opacity var(--dur-med) var(--ease), transform var(--dur-med) var(--ease), visibility var(--dur-med);
  }
  .main-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-list { flex-direction: column; gap: 1.8rem; text-align: center; }
  .nav-link { color: rgba(255,255,255,0.85); font-size: var(--fs-lg); font-family: var(--font-display); font-weight: 600; }
  .nav-link.active, .nav-link:hover { color: #fff; }
  .dropdown {
    position: static; transform: none; opacity: 1; visibility: visible; pointer-events: auto;
    background: transparent; border: none; box-shadow: none; margin-top: 1rem; display: none;
  }
  .has-dropdown.open .dropdown { display: grid; }
  .dropdown a { color: rgba(255,255,255,0.6); font-size: var(--fs-base); text-align: center; }
  .dropdown a:hover { background: transparent; color: #fff; }
  .caret { display: none; }

  .menu-toggle { display: flex; z-index: 401; }
  .menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.open span:nth-child(2) { opacity: 0; }
  .menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .header-actions .btn-sm { display: none; }

  .hero-inner { grid-template-columns: 1fr; }
  .hero-figure { display: none; }
  .hero-title { max-width: none; }
  .hero-stats { justify-content: space-between; }

  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-side { position: static; }

  .svc-detail-grid { grid-template-columns: 1fr; }
  .svc-list-lg { grid-template-columns: 1fr; }
  .timeline-compact { grid-template-columns: 1fr 1fr; }

  .uc-details > div { grid-template-columns: 1fr; gap: 0.2rem; }

  .services-layout { grid-template-columns: 1fr; }
  .services-index { position: static; flex-direction: row; overflow-x: auto; border-top: none; gap: 0.5rem; padding-bottom: 0.5rem; }
  .svc-tab { border-bottom: none; border: 1px solid var(--border-soft); border-radius: 999px; padding: 0.6rem 1.1rem; flex-shrink: 0; }
  .svc-tab.active::before { display: none; }
  .svc-tab.active { background: var(--surface-100); }
  .svc-list { grid-template-columns: 1fr; }

  .timeline { grid-template-columns: 1fr 1fr; row-gap: 2.5rem; }
  .timeline-step:nth-child(even) { transform: none; }
  .timeline::before { display: none; }

  .cases-grid { grid-template-columns: 1fr; }
  .case-card-lg { grid-row: auto; min-height: 280px; }

  .form-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; margin-bottom: 1rem; }
}

@media (max-width: 620px) {
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
  .stat-divider { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  :root { --fs-3xl: 2.6rem; --fs-2xl: 2.4rem; --fs-xl: 1.9rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { transition: none; opacity: 1; transform: none; }
  .marquee-track { animation: none; }
  .hero-logo-mark { animation: none; }
  .kw { animation: none; opacity: 1; transform: none; }
  .hero-particles { display: none; }
  .cursor-dot, .cursor-ring { display: none; }
  .cursor-ring.visible { animation: none; }
  .bg-blurup::before { transition: none; }
  .img-blurup { transition: none; }
  .sticky-cta { transition: none; }
}