/* ============================================================
   SOLUTEK — Fibre optique · Design futuriste
   ============================================================ */

:root {
  --bg:        #05070f;
  --bg-2:      #080b18;
  --surface:   rgba(255,255,255,0.03);
  --surface-2: rgba(255,255,255,0.05);
  --line:      rgba(120,160,255,0.12);
  --line-2:    rgba(120,160,255,0.22);
  --text:      #eaf0ff;
  --muted:     #9aa6c8;
  --muted-2:   #6b7699;

  --green: #2ec96a;
  --cyan:  #17b7c4;   /* accent teal (issu du logo) */
  --blue:  #1f8fe6;
  --violet:#2ec96a;   /* réutilisé pour l'ambiance verte */
  --grad:  linear-gradient(100deg, #2ec96a 0%, #17b7c4 50%, #1f8fe6 100%);
  --grad-soft: linear-gradient(100deg, rgba(46,201,106,.15), rgba(31,143,230,.15));

  --glow: 0 0 40px rgba(23,183,196,.28);
  --radius: 18px;
  --maxw: 1180px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* radial ambience */
body::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(900px 600px at 15% -10%, rgba(46,201,106,.13), transparent 60%),
    radial-gradient(1000px 700px at 100% 0%, rgba(31,143,230,.14), transparent 55%),
    radial-gradient(800px 800px at 50% 120%, rgba(23,183,196,.10), transparent 60%);
  z-index: -3;
  pointer-events: none;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ============ Background layers ============ */
#fiber-canvas { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -2; pointer-events: none; }
.grid-overlay {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(rgba(120,160,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,160,255,.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 100% 70% at 50% 0%, #000 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 100% 70% at 50% 0%, #000 40%, transparent 85%);
}
.noise-overlay {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .035;
  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='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============ Header ============ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .4s var(--ease), border-color .4s, backdrop-filter .4s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(5,7,15,.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }

.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark { display: grid; place-items: center; filter: drop-shadow(0 0 10px rgba(23,183,196,.35)); }
.brand-mark img { height: 40px; width: auto; display: block; }
.brand-text { font-family: 'Sora', sans-serif; font-weight: 800; font-size: 1.32rem; letter-spacing: .02em; }
.brand-text span { color: var(--cyan); }

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  font-size: .93rem; font-weight: 500; color: var(--muted);
  padding: 9px 15px; border-radius: 10px; transition: color .25s, background .25s;
}
.nav a:hover { color: var(--text); background: var(--surface); }
.nav .nav-cta {
  color: var(--text); border: 1px solid var(--line-2);
  background: var(--grad-soft); margin-left: 6px;
}
.nav .nav-cta:hover { border-color: var(--cyan); box-shadow: var(--glow); }

/* Right cluster + language switch */
.header-right { display: flex; align-items: center; gap: 14px; }
.lang-switch { display: flex; gap: 2px; padding: 3px; border: 1px solid var(--line-2); border-radius: 100px; background: var(--surface); }
.lang-switch button {
  font-family: 'Inter', sans-serif; font-size: .76rem; font-weight: 600; letter-spacing: .03em;
  color: var(--muted); background: none; border: 0; cursor: pointer; padding: 5px 10px; border-radius: 100px; transition: color .2s, background .2s;
}
.lang-switch button:hover { color: var(--text); }
.lang-switch button.active { color: #05070f; background: var(--grad); }

.menu-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer;
  padding: 8px; border-radius: 8px;
}
.menu-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s var(--ease); }
.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); }

.mobile-nav {
  display: none; flex-direction: column; gap: 4px;
  background: rgba(5,7,15,.96); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line); padding: 12px 24px 20px;
}
.mobile-nav a { padding: 13px 8px; color: var(--muted); border-bottom: 1px solid var(--line); font-weight: 500; }
.mobile-nav a:last-child { border-bottom: 0; }
.mobile-nav.open { display: flex; }

/* ============ Buttons ============ */
.btn {
  display: inline-flex; align-items: center; gap: 9px; justify-content: center;
  font-weight: 600; font-size: .96rem; padding: 14px 26px; border-radius: 12px;
  cursor: pointer; border: 1px solid transparent; transition: .3s var(--ease);
  font-family: 'Inter', sans-serif; position: relative; white-space: nowrap;
}
.btn .arrow { transition: transform .3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-primary {
  background: var(--grad); color: #05070f; font-weight: 700;
  box-shadow: 0 8px 30px rgba(31,143,230,.30);
}
.btn-primary:hover { box-shadow: 0 10px 44px rgba(23,183,196,.5); transform: translateY(-2px); }
.btn-ghost { background: var(--surface); border-color: var(--line-2); color: var(--text); }
.btn-ghost:hover { border-color: var(--cyan); background: var(--surface-2); transform: translateY(-2px); }
.btn-block { width: 100%; }

/* ============ Hero ============ */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding: 120px 0 80px; }
.hero-inner { max-width: 900px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: .82rem; font-weight: 500; color: var(--muted);
  padding: 8px 16px; border: 1px solid var(--line-2); border-radius: 100px;
  background: var(--surface); margin-bottom: 28px; letter-spacing: .02em;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.4;transform:scale(.7)} }

.hero-title {
  font-family: 'Sora', sans-serif; font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 5.2rem); line-height: 1.02;
  letter-spacing: -.02em; margin-bottom: 26px;
}
.hero-sub { font-size: clamp(1rem, 1.6vw, 1.22rem); color: var(--muted); max-width: 620px; margin-bottom: 38px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 64px; }

.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: 720px; }
.stat { border-left: 2px solid var(--line-2); padding-left: 16px; }
.stat-num {
  display: block; font-family: 'Sora', sans-serif; font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -.02em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { font-size: .82rem; color: var(--muted-2); }

.scroll-hint { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); width: 26px; height: 42px; border: 2px solid var(--line-2); border-radius: 20px; display: grid; place-items: start center; padding-top: 8px; }
.scroll-hint span { width: 4px; height: 8px; border-radius: 4px; background: var(--cyan); animation: scrolldot 1.8s var(--ease) infinite; }
@keyframes scrolldot { 0%{opacity:0;transform:translateY(0)} 40%{opacity:1} 100%{opacity:0;transform:translateY(14px)} }

/* ============ Marquee ============ */
.marquee { overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 18px 0; background: rgba(255,255,255,.015); }
.marquee-track { display: flex; gap: 34px; white-space: nowrap; width: max-content; animation: marquee 34s linear infinite; }
.marquee-track span { font-family: 'JetBrains Mono', monospace; font-size: .9rem; letter-spacing: .12em; color: var(--muted-2); }
.marquee-track span:nth-child(3n+1) { color: var(--cyan); opacity: .8; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============ Sections ============ */
.section { padding: clamp(80px, 11vw, 150px) 0; position: relative; }
.section-head { max-width: 700px; margin: 0 auto 66px; text-align: center; }
.eyebrow {
  display: inline-block; font-family: 'JetBrains Mono', monospace; font-size: .78rem;
  letter-spacing: .22em; text-transform: uppercase; color: var(--cyan);
  margin-bottom: 16px; padding: 5px 14px; border: 1px solid var(--line-2); border-radius: 100px; background: var(--surface);
}
.section-head h2 { font-family: 'Sora', sans-serif; font-weight: 700; font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.1; letter-spacing: -.02em; margin-bottom: 18px; }
.section-head p { color: var(--muted); font-size: 1.05rem; }

/* ============ Services cards ============ */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  position: relative; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 32px 28px; overflow: hidden;
  transition: transform .4s var(--ease), border-color .4s, background .4s;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad); opacity: 0; transition: opacity .4s;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.card:hover { transform: translateY(-6px); background: var(--surface-2); }
.card:hover::before { opacity: .6; }
.card-ico {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  color: var(--cyan); background: var(--grad-soft); border: 1px solid var(--line-2);
  margin-bottom: 22px; transition: .4s var(--ease);
}
.card:hover .card-ico { box-shadow: var(--glow); transform: scale(1.05); }
.card h3 { font-family: 'Sora', sans-serif; font-weight: 600; font-size: 1.24rem; margin-bottom: 11px; }
.card p { color: var(--muted); font-size: .96rem; }
.card-featured { background: linear-gradient(180deg, rgba(40,232,255,.06), rgba(139,91,255,.04)); border-color: var(--line-2); }
.card-featured::before { opacity: .35; }
.card-tag {
  position: absolute; top: 20px; right: 20px; font-family: 'JetBrains Mono', monospace;
  font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--cyan);
  padding: 4px 10px; border: 1px solid var(--line-2); border-radius: 100px; background: rgba(5,7,15,.4);
}

/* ============ Process timeline ============ */
.timeline { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; }
.timeline::before {
  content: ""; position: absolute; top: 26px; left: 6%; right: 6%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-2) 15%, var(--line-2) 85%, transparent);
}
.timeline li { position: relative; padding-top: 66px; }
.tl-num {
  position: absolute; top: 0; left: 0; width: 54px; height: 54px; border-radius: 14px;
  display: grid; place-items: center; font-family: 'Sora', sans-serif; font-weight: 700; font-size: 1.15rem;
  color: var(--cyan); background: var(--bg-2); border: 1px solid var(--line-2); box-shadow: var(--glow);
}
.timeline h3 { font-family: 'Sora', sans-serif; font-weight: 600; font-size: 1.12rem; margin-bottom: 9px; }
.timeline p { color: var(--muted); font-size: .93rem; }

/* ============ Projects ============ */
.project-grid { display: grid; grid-template-columns: 1.3fr 1fr; grid-auto-rows: 1fr; gap: 20px; }
.project {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: var(--surface); display: flex; flex-direction: column; transition: transform .4s var(--ease), border-color .4s;
}
.project:hover { transform: translateY(-6px); border-color: var(--line-2); }
.project-lg { grid-row: span 2; }
.project-wide { grid-column: span 2; }
.project-media { min-height: 200px; flex: 1; position: relative; overflow: hidden; }
.project-lg .project-media { min-height: 320px; }
.project-photo {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0;
  transition: transform .6s var(--ease); filter: saturate(1.05);
}
.project:hover .project-photo { transform: scale(1.05); }
.project-media::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(46,201,106,.5), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(31,143,230,.5), transparent 45%);
  opacity: .55;
}
.project-media:has(.project-photo)::after {
  background: linear-gradient(180deg, rgba(5,7,15,0) 45%, rgba(5,7,15,.55));
  opacity: 1;
}
.project-media:has(.project-photo)::before { display: none; }
.project-media[data-tone="a"] { background: linear-gradient(135deg, #0a1230, #12204a); }
.project-media[data-tone="b"] { background: linear-gradient(135deg, #0a1a2e, #0e2f3a); }
.project-media[data-tone="c"] { background: linear-gradient(135deg, #0a2420, #0e3a3e); }
.project-media[data-tone="d"] { background: linear-gradient(135deg, #0a1230, #103a34); }
.project-media::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 26px 26px; mask-image: linear-gradient(180deg, #000, transparent);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent);
}
.project-body { padding: 24px 26px; position: relative; z-index: 2; }
.project-cat { font-family: 'JetBrains Mono', monospace; font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--cyan); }
.project-body h3 { font-family: 'Sora', sans-serif; font-weight: 600; font-size: 1.2rem; margin: 8px 0 10px; }
.project-body p { color: var(--muted); font-size: .93rem; }
.project-metrics { display: flex; gap: 22px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.project-metrics span { font-size: .82rem; color: var(--muted-2); }
.project-metrics b { color: var(--text); font-family: 'Sora', sans-serif; font-size: 1.05rem; }

/* ============ About ============ */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.about-copy .eyebrow { text-align: left; }
.about-copy h2 { font-family: 'Sora', sans-serif; font-weight: 700; font-size: clamp(1.9rem, 3.4vw, 2.8rem); line-height: 1.12; margin: 16px 0 20px; letter-spacing: -.02em; }
.about-copy > p { color: var(--muted); margin-bottom: 28px; }
.feature-list { list-style: none; display: grid; gap: 13px; margin-bottom: 32px; }
.feature-list li { display: flex; align-items: center; gap: 13px; color: var(--text); font-size: .98rem; }
.chk { flex-shrink: 0; width: 24px; height: 24px; border-radius: 7px; display: grid; place-items: center; font-size: .8rem; font-weight: 700; color: var(--cyan); background: var(--grad-soft); border: 1px solid var(--line-2); }

.cert-badge { display: flex; align-items: center; gap: 16px; max-width: 400px; margin: 0 0 30px; padding: 14px 18px; background: var(--surface); border: 1px solid var(--line-2); border-radius: 16px; }
.cert-badge img { width: 78px; height: 78px; flex-shrink: 0; border-radius: 50%; box-shadow: 0 4px 18px rgba(0,0,0,.35); }
.cert-text { display: grid; gap: 3px; }
.cert-text strong { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 1.05rem; color: var(--text); }
.cert-text span { font-size: .85rem; color: var(--muted); }

.about-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.panel {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; text-align: center; transition: .4s var(--ease); position: relative; overflow: hidden;
}
.panel:hover { border-color: var(--line-2); transform: translateY(-4px); }
.panel:nth-child(1), .panel:nth-child(4) { transform: translateY(18px); }
.panel:nth-child(1):hover, .panel:nth-child(4):hover { transform: translateY(14px); }
.panel-num { display: block; font-family: 'Sora', sans-serif; font-weight: 800; font-size: 1.7rem; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 6px; }
.panel-lbl { font-size: .82rem; color: var(--muted); }

/* ============ FieldService ============ */
.fs-band {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center;
  background: linear-gradient(120deg, rgba(46,201,106,.06), rgba(31,143,230,.06));
  border: 1px solid var(--line-2); border-radius: 26px; padding: clamp(28px, 5vw, 56px);
  position: relative; overflow: hidden;
}
.fs-band::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad); opacity: .35; pointer-events: none;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.fs-copy .eyebrow { text-align: left; }
.fs-copy h2 { font-family: 'Sora', sans-serif; font-weight: 700; font-size: clamp(1.7rem, 3vw, 2.5rem); line-height: 1.12; margin: 14px 0 16px; letter-spacing: -.02em; }
.fs-copy > p { color: var(--muted); margin-bottom: 22px; }
.fs-points { list-style: none; display: grid; gap: 12px; }
.fs-points li { display: flex; align-items: center; gap: 12px; color: var(--text); font-size: .96rem; }
.fs-points .chk { color: var(--cyan); background: none; border: 0; width: auto; height: auto; font-size: .9rem; }

.fs-visual { display: grid; place-items: center; }
.fs-phone {
  width: 100%; max-width: 300px; background: rgba(5,7,15,.6); border: 1px solid var(--line-2);
  border-radius: 22px; padding: 18px; display: grid; gap: 12px; box-shadow: var(--glow);
  backdrop-filter: blur(6px);
}
.fs-phone-top { display: flex; align-items: center; gap: 9px; font-family: 'Sora', sans-serif; font-weight: 600; font-size: .95rem; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.fs-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green, #2ec96a); box-shadow: 0 0 10px #2ec96a; }
.fs-row { display: flex; align-items: center; gap: 12px; }
.fs-bar { height: 12px; flex: 1; border-radius: 6px; background: var(--grad); opacity: .8; }
.fs-bar.w70 { max-width: 70%; } .fs-bar.w40 { max-width: 40%; } .fs-bar.w80 { max-width: 80%; }
.fs-badge { font-family: 'JetBrains Mono', monospace; font-size: .64rem; letter-spacing: .04em; color: var(--muted); padding: 3px 9px; border: 1px solid var(--line-2); border-radius: 100px; white-space: nowrap; }
.fs-badge.ok { color: #7fffc0; border-color: rgba(46,201,106,.4); background: rgba(46,201,106,.1); }
.fs-map {
  height: 78px; border-radius: 12px; border: 1px solid var(--line); margin: 4px 0;
  background:
    radial-gradient(circle at 70% 55%, rgba(31,143,230,.5), transparent 40%),
    radial-gradient(circle at 30% 40%, rgba(46,201,106,.4), transparent 45%),
    linear-gradient(135deg, #0a1424, #0e2430);
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px),
    radial-gradient(circle at 65% 55%, rgba(40,232,255,.4), transparent 42%);
  background-size: 20px 20px, 20px 20px, 100% 100%;
  position: relative;
}
.fs-map::after {
  content: ""; position: absolute; top: 52%; left: 63%; width: 12px; height: 12px; margin: -6px 0 0 -6px;
  border-radius: 50%; background: #28e8ff; box-shadow: 0 0 0 5px rgba(40,232,255,.25), 0 0 14px #28e8ff;
}

/* ============ Contact ============ */
.contact-inner { display: grid; grid-template-columns: .95fr 1.05fr; gap: 56px; align-items: start; }
.contact-copy .eyebrow { text-align: left; }
.contact-copy h2 { font-family: 'Sora', sans-serif; font-weight: 700; font-size: clamp(1.9rem, 3.6vw, 2.9rem); line-height: 1.08; margin: 16px 0 18px; letter-spacing: -.02em; }
.contact-copy > p { color: var(--muted); margin-bottom: 30px; }
.contact-list { list-style: none; display: grid; gap: 15px; }
.contact-list li { display: flex; align-items: center; gap: 14px; color: var(--muted); }
.contact-list li > span:first-child { width: 40px; height: 40px; flex-shrink: 0; border-radius: 11px; display: grid; place-items: center; color: var(--cyan); background: var(--grad-soft); border: 1px solid var(--line-2); font-size: 1.05rem; }
.contact-list li > span[data-i18n] { color: var(--muted); }
.contact-list a:hover { color: var(--cyan); }

.contact-form {
  background: var(--surface); border: 1px solid var(--line); border-radius: 22px;
  padding: 34px; backdrop-filter: blur(8px); display: grid; gap: 18px;
}
.field { display: grid; gap: 8px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field label { font-size: .84rem; color: var(--muted); font-weight: 500; }
.field input, .field select, .field textarea {
  width: 100%; background: rgba(5,7,15,.5); border: 1px solid var(--line-2); border-radius: 11px;
  padding: 13px 15px; color: var(--text); font-family: 'Inter', sans-serif; font-size: .95rem;
  transition: border-color .25s, box-shadow .25s; resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: var(--muted-2); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(23,183,196,.14); }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%239aa6c8' stroke-width='2'%3E%3Cpath d='M3 5l4 4 4-4'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 15px center; }
.form-note {
  display: flex; align-items: center; gap: 12px;
  font-size: .92rem; line-height: 1.45; padding: 14px 16px; border-radius: 12px;
  border: 1px solid var(--line-2); background: var(--surface);
  animation: noteIn .35s var(--ease);
}
.form-note::before {
  content: ''; flex-shrink: 0; width: 24px; height: 24px; border-radius: 50%;
  display: grid; place-items: center; font-size: .82rem; font-weight: 800; line-height: 1;
}
.form-note.sending { color: var(--muted); }
.form-note.sending::before { content: '↻'; color: var(--cyan); background: var(--grad-soft); border: 1px solid var(--line-2); animation: noteSpin 1s linear infinite; }
.form-note.ok {
  color: #a9f5cf;
  background: linear-gradient(120deg, rgba(46,201,106,.12), rgba(31,143,230,.08));
  border-color: rgba(46,201,106,.4); box-shadow: 0 0 26px rgba(46,201,106,.12);
}
.form-note.ok::before { content: '✓'; background: var(--grad); color: #05070f; }
.form-note.err { color: #ffbcbc; background: rgba(255,90,90,.09); border-color: rgba(255,90,90,.35); }
.form-note.err::before { content: '!'; background: #ff6b6b; color: #fff; }
@keyframes noteIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes noteSpin { to { transform: rotate(360deg); } }

/* ============ Footer ============ */
.site-footer { border-top: 1px solid var(--line); padding-top: 60px; background: rgba(5,7,15,.5); position: relative; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 50px; padding-bottom: 44px; }
.footer-brand p { color: var(--muted); font-size: .94rem; max-width: 360px; margin-top: 14px; }
.footer-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.footer-cols h4 { font-family: 'Sora', sans-serif; font-size: .95rem; margin-bottom: 16px; }
.footer-cols a { display: block; color: var(--muted); font-size: .9rem; padding: 5px 0; transition: color .2s; }
.footer-cols a:hover { color: var(--cyan); }
.social-link { display: inline-flex; align-items: center; gap: 9px; margin-top: 18px; color: var(--muted); font-size: .9rem; font-weight: 500; transition: color .25s; }
.social-link:hover { color: var(--cyan); }
.social-link svg { flex-shrink: 0; }

.footer-cert { display: flex; align-items: center; justify-content: center; gap: 15px; padding: 26px 24px; border-top: 1px solid var(--line); }
.footer-cert img { width: 70px; height: 70px; border-radius: 50%; flex-shrink: 0; box-shadow: 0 4px 16px rgba(0,0,0,.35); }
.footer-cert .cert-text { display: grid; gap: 2px; }
.footer-cert .cert-text strong { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 1rem; color: var(--text); }
.footer-cert .cert-text span { font-size: .82rem; color: var(--muted); }

.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 22px 24px; border-top: 1px solid var(--line); font-size: .84rem; color: var(--muted-2); flex-wrap: wrap; gap: 10px; }
.footer-credits { padding: 0 24px 22px; }
.footer-credits span { font-size: .72rem; color: var(--muted-2); opacity: .7; line-height: 1.5; }

/* ============ Reveal animation ============ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal:nth-child(2) { transition-delay: .06s; }
.reveal:nth-child(3) { transition-delay: .12s; }
.reveal:nth-child(4) { transition-delay: .18s; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ============ Responsive ============ */
@media (max-width: 940px) {
  .nav { display: none; }
  .menu-toggle { display: flex; }
  .cards, .timeline, .project-grid { grid-template-columns: 1fr 1fr; }
  .timeline::before { display: none; }
  .about-grid, .contact-inner, .fs-band { grid-template-columns: 1fr; gap: 40px; }
  .fs-visual { order: -1; }
  .project-lg, .project-wide { grid-column: auto; grid-row: auto; }
  .footer-inner { grid-template-columns: 1fr; gap: 34px; }
}
@media (max-width: 620px) {
  .container { padding: 0 18px; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 22px 16px; }
  .cards, .timeline, .project-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .about-panels { grid-template-columns: 1fr 1fr; }
  .panel:nth-child(1), .panel:nth-child(4) { transform: none; }
  .hero-actions .btn { flex: 1; }
  .contact-form { padding: 24px; }
}