/* ============================================================
   DELPECH — Agence Web · delpe.ch
   Design futuriste sombre, très animé
   ============================================================ */

:root {
  --bg: #04050a;
  --bg-soft: #0a0c14;
  --panel: rgba(255, 255, 255, 0.03);
  --line: rgba(255, 255, 255, 0.08);
  --txt: #eef1f8;
  --txt-dim: #9aa3b5;
  --accent: #00e5ff;
  --accent2: #7c5cff;
  --accent3: #ff3d81;
  --grad: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3));
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.6;
  cursor: none;
}

a { color: inherit; text-decoration: none; cursor: none; }
button { cursor: none; }

::selection { background: var(--accent2); color: #fff; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--accent2), var(--accent));
  border-radius: 5px;
}

/* ---------- Curseur personnalisé ---------- */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 10000;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.cursor-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}
.cursor-ring {
  width: 36px; height: 36px;
  border: 1px solid rgba(0, 229, 255, 0.5);
  transition: width 0.25s var(--ease), height 0.25s var(--ease),
              border-color 0.25s, background 0.25s;
}
.cursor-ring.is-hover {
  width: 64px; height: 64px;
  background: rgba(0, 229, 255, 0.08);
  border-color: var(--accent);
}
@media (hover: none), (max-width: 768px) {
  .cursor-dot, .cursor-ring { display: none; }
  body, a, button { cursor: auto; }
}

/* ---------- Préloader ---------- */
.preloader {
  position: fixed; inset: 0;
  background: var(--bg);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  transition: opacity 0.7s var(--ease), visibility 0.7s;
}
.preloader.done { opacity: 0; visibility: hidden; }
.preloader-logo {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 0.35em;
  background: var(--grad);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradShift 2s linear infinite;
}
.preloader-bar {
  width: min(260px, 60vw);
  height: 2px;
  background: var(--line);
  overflow: hidden;
  border-radius: 2px;
}
.preloader-bar span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--grad);
  transition: width 0.2s linear;
}
.preloader-pct {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--txt-dim);
  letter-spacing: 0.2em;
}

/* ---------- Canvas fond ---------- */
#bg-canvas {
  position: fixed; inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Grille perspective décorative */
.grid-overlay {
  position: fixed; inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(124, 92, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 92, 255, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 75%);
}

main, .nav, footer { position: relative; z-index: 1; }

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1.2rem, 4vw, 3rem);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(4, 5, 10, 0.55);
  border-bottom: 1px solid var(--line);
  transition: transform 0.45s var(--ease);
}
.nav.nav-hidden { transform: translateY(-100%); }
.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.25em;
}
.nav-logo em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.nav-links {
  display: flex;
  gap: clamp(1rem, 3vw, 2.4rem);
  list-style: none;
}
.nav-links a {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--txt-dim);
  position: relative;
  transition: color 0.3s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -5px;
  width: 100%; height: 1px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease);
}
.nav-links a:hover { color: var(--txt); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }
@media (max-width: 640px) { .nav-links { display: none; } }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.95rem 2.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
  will-change: transform;
}
.btn-primary {
  background: var(--grad);
  background-size: 200% 100%;
  color: #04050a;
  animation: gradShift 4s linear infinite;
}
.btn-primary:hover { box-shadow: 0 0 40px rgba(0, 229, 255, 0.35); }
.btn-ghost {
  border-color: var(--line);
  color: var(--txt);
  background: var(--panel);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--accent); box-shadow: 0 0 30px rgba(0, 229, 255, 0.15); }

@keyframes gradShift {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 7rem 1.5rem 4rem;
  position: relative;
}
.hero-tag {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(0, 229, 255, 0.3);
  padding: 0.5rem 1.4rem;
  border-radius: 999px;
  margin-bottom: 2.2rem;
  background: rgba(0, 229, 255, 0.05);
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.1) inset;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 9vw, 7rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  perspective: 800px;
}
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .char {
  display: inline-block;
  transform: translateY(115%) rotateX(-60deg);
  opacity: 0;
  transition: transform 0.9s var(--ease), opacity 0.6s;
  will-change: transform;
}
.hero h1.in .char { transform: translateY(0) rotateX(0); opacity: 1; }
.hero h1 .grad-text {
  background: var(--grad);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradShift 5s linear infinite;
}
.hero-sub {
  max-width: 640px;
  margin: 2rem auto 2.8rem;
  color: var(--txt-dim);
  font-size: clamp(1rem, 2vw, 1.2rem);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease) 0.7s, transform 0.8s var(--ease) 0.7s;
}
.hero-actions {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease) 0.95s, transform 0.8s var(--ease) 0.95s;
}
.hero.in .hero-sub, .hero.in .hero-actions { opacity: 1; transform: none; }

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--txt-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}
.hero-scroll::after {
  content: '';
  width: 1px; height: 44px;
  background: linear-gradient(var(--accent), transparent);
  animation: scrollPulse 1.8s var(--ease) infinite;
}
@keyframes scrollPulse {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Orbes flottants */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
  pointer-events: none;
  animation: orbFloat 14s ease-in-out infinite alternate;
}
.orb-1 { width: 420px; height: 420px; background: var(--accent2); top: 8%; left: -8%; }
.orb-2 { width: 360px; height: 360px; background: var(--accent); bottom: 5%; right: -6%; animation-delay: -5s; }
.orb-3 { width: 260px; height: 260px; background: var(--accent3); top: 45%; right: 20%; opacity: 0.18; animation-delay: -9s; }
@keyframes orbFloat {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(50px, -60px) scale(1.15); }
}

/* ---------- Marquee ---------- */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.1rem 0;
  overflow: hidden;
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.015);
}
.marquee-track {
  display: inline-flex;
  gap: 3rem;
  padding-right: 3rem;
  animation: marqueeScroll 26s linear infinite;
  will-change: transform;
}
.marquee.reverse .marquee-track { animation-direction: reverse; }
.marquee span {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.4vw, 1.5rem);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.25);
}
.marquee span.solid {
  color: var(--txt);
  -webkit-text-stroke: 0;
}
.marquee span.accent {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-stroke: 0;
}
@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Sections génériques ---------- */
section { padding: clamp(4.5rem, 10vw, 8.5rem) clamp(1.2rem, 5vw, 4rem); }
.wrap { max-width: 1200px; margin: 0 auto; }

.sec-head { margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.sec-kicker {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.1rem;
}
.sec-kicker::before {
  content: '';
  width: 36px; height: 1px;
  background: var(--grad);
}
.sec-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  max-width: 20ch;
}
.sec-title em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Révélation au scroll */
[data-reveal] {
  opacity: 0;
  transform: translateY(46px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--d, 0s);
  will-change: transform, opacity;
}
[data-reveal].in { opacity: 1; transform: none; }

/* ---------- Services ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.4rem;
}
.card {
  position: relative;
  padding: 2.2rem 1.9rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: border-color 0.35s, transform 0.35s var(--ease), box-shadow 0.35s;
  transform-style: preserve-3d;
  will-change: transform;
}
.card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%),
              rgba(0, 229, 255, 0.14), transparent 65%);
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}
.card:hover::before { opacity: 1; }
.card:hover {
  border-color: rgba(0, 229, 255, 0.35);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}
.card-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  color: var(--accent);
  display: block;
  margin-bottom: 1.4rem;
}
.card-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(0,229,255,0.12), rgba(124,92,255,0.12));
  border: 1px solid rgba(0, 229, 255, 0.25);
  margin-bottom: 1.5rem;
  font-size: 1.4rem;
}
.card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 0.8rem;
}
.card p { color: var(--txt-dim); font-size: 0.95rem; }

/* ---------- Process ---------- */
.process-list { display: grid; gap: 0; }
.process-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.8rem;
  align-items: start;
  padding: 2rem 0.5rem;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: background 0.4s, padding-left 0.4s var(--ease);
}
.process-item:first-child { border-top: 1px solid var(--line); }
.process-item:hover {
  background: rgba(0, 229, 255, 0.03);
  padding-left: 1.4rem;
}
.process-num {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(0, 229, 255, 0.6);
  line-height: 1;
  min-width: 2.2ch;
}
.process-item h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 0.4rem;
}
.process-item p { color: var(--txt-dim); max-width: 60ch; }

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.4rem;
  text-align: center;
}
.stat {
  padding: 2.4rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
}
.stat-val {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
}
.stat-label {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--txt-dim);
}

/* ---------- À propos ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
@media (max-width: 820px) { .about-grid { grid-template-columns: 1fr; } }
.about-visual {
  position: relative;
  aspect-ratio: 1;
  max-width: 420px;
  margin: 0 auto;
  display: grid;
  place-items: center;
}
.about-ring {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: 50%;
  animation: spin 22s linear infinite;
}
.about-ring::before {
  content: '';
  position: absolute;
  top: -5px; left: 50%;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent);
}
.about-ring.r2 { inset: 12%; animation-duration: 15s; animation-direction: reverse; border-color: rgba(124, 92, 255, 0.3); }
.about-ring.r2::before { background: var(--accent2); box-shadow: 0 0 16px var(--accent2); }
.about-ring.r3 { inset: 24%; animation-duration: 9s; border-color: rgba(255, 61, 129, 0.25); }
.about-ring.r3::before { background: var(--accent3); box-shadow: 0 0 16px var(--accent3); }
@keyframes spin { to { transform: rotate(360deg); } }
.about-core {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  background: var(--grad);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradShift 4s linear infinite;
}
.about-text p { color: var(--txt-dim); margin-bottom: 1.1rem; font-size: 1.02rem; }
.about-text p strong { color: var(--txt); }

/* ---------- CTA ---------- */
.cta {
  text-align: center;
  position: relative;
}
.cta-box {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 5.5rem) clamp(1.5rem, 5vw, 4rem);
  border-radius: 28px;
  border: 1px solid var(--line);
  background:
    radial-gradient(600px circle at 50% -20%, rgba(124, 92, 255, 0.18), transparent 60%),
    var(--bg-soft);
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: conic-gradient(from var(--rot, 0deg),
    transparent 0deg, rgba(0,229,255,0.5) 20deg, transparent 60deg);
  animation: rotBorder 6s linear infinite;
  opacity: 0.25;
  pointer-events: none;
}
@property --rot { syntax: '<angle>'; initial-value: 0deg; inherits: false; }
@keyframes rotBorder { to { --rot: 360deg; } }
.cta h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.8rem);
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 1.2rem;
  position: relative;
}
.cta p {
  color: var(--txt-dim);
  max-width: 520px;
  margin: 0 auto 2.4rem;
  position: relative;
}
.cta .btn { position: relative; }

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--line);
  padding: 2.2rem clamp(1.2rem, 5vw, 4rem);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  color: var(--txt-dim);
  font-size: 0.85rem;
  background: rgba(4, 5, 10, 0.7);
}
footer .f-logo {
  font-family: var(--font-display);
  letter-spacing: 0.25em;
  color: var(--txt);
  font-weight: 700;
}
footer a { transition: color 0.3s; }
footer a:hover { color: var(--accent); }

/* ---------- Accessibilité mouvement ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal], .hero-sub, .hero-actions, .hero h1 .char {
    opacity: 1 !important;
    transform: none !important;
  }
}