/* =========================================================================
   Secretar-IA — Site vitrine
   Palette : noir profond + cyan neon
   ========================================================================= */

:root {
  --bg: #04060c;
  --bg-2: #070b18;
  --surface: rgba(12, 18, 32, 0.65);
  --surface-2: rgba(18, 26, 44, 0.85);
  --border: rgba(0, 224, 255, 0.18);
  --border-strong: rgba(0, 224, 255, 0.45);
  --text: #e6f1ff;
  --text-dim: #8a9bb8;
  --cyan: #00e0ff;
  --cyan-soft: #4fd6ff;
  --cyan-deep: #0099bb;
  --magenta: #b95bff;
  --grad: linear-gradient(120deg, #00e0ff 0%, #6ad8ff 40%, #b95bff 100%);
  --glow: 0 0 24px rgba(0, 224, 255, 0.35);
  --glow-strong: 0 0 36px rgba(0, 224, 255, 0.55);
  --radius: 14px;
  --maxw: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

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

/* ---------- Backgrounds animés ---------- */

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse at 30% 10%, rgba(0, 224, 255, 0.08), transparent 50%),
    radial-gradient(ellipse at 80% 90%, rgba(185, 91, 255, 0.06), transparent 50%),
    linear-gradient(180deg, #04060c 0%, #070b18 100%);
}

.bg-grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 224, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 224, 255, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.bg-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  pointer-events: none;
  opacity: 0.35;
}

.bg-glow--1 {
  background: #00e0ff;
  top: -200px;
  left: -200px;
  animation: float 18s ease-in-out infinite;
}

.bg-glow--2 {
  background: #b95bff;
  bottom: -250px;
  right: -200px;
  animation: float 22s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(60px, -40px); }
}

/* ---------- Typographie ---------- */

h1, h2, h3 {
  font-family: 'Orbitron', 'Rajdhani', sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0 0 0.6em;
}

h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.5rem);
  line-height: 1.05;
  font-weight: 900;
}

h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
}

h3 {
  font-size: 1.2rem;
  font-family: 'Rajdhani', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

p {
  margin: 0 0 1em;
  color: var(--text-dim);
}

.accent { color: var(--cyan); }

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

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.78rem;
  color: var(--cyan);
  margin: 0 0 1.2rem;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
}

.section-title {
  text-align: center;
  margin-bottom: 0.4em;
}

.section-sub {
  text-align: center;
  margin: 0 auto 3rem;
  max-width: 600px;
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem clamp(1.2rem, 4vw, 3rem);
  backdrop-filter: blur(14px);
  background: rgba(4, 6, 12, 0.65);
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
}

.logo-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--cyan);
  border-radius: 8px;
  color: var(--cyan);
  font-size: 0.95rem;
  box-shadow: var(--glow);
  background: rgba(0, 224, 255, 0.06);
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.92rem;
}

.nav-links a {
  color: var(--text-dim);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--cyan);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border-radius: 8px;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--cyan);
  color: #001018;
  box-shadow: var(--glow);
}

.btn-primary:hover {
  background: #66ecff;
  box-shadow: var(--glow-strong);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  background: rgba(0, 224, 255, 0.08);
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- Hero ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: clamp(3rem, 8vh, 6rem) clamp(1.2rem, 4vw, 3rem);
  max-width: var(--maxw);
  margin: 0 auto;
  min-height: 80vh;
}

.lead {
  font-size: 1.15rem;
  max-width: 520px;
  color: var(--text);
  opacity: 0.85;
}

.cta-row {
  display: flex;
  gap: 1rem;
  margin: 2rem 0 3rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.hero-stats > div {
  display: flex;
  flex-direction: column;
}

.hero-stats strong {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.6rem;
  color: var(--cyan);
  text-shadow: 0 0 16px rgba(0, 224, 255, 0.45);
}

.hero-stats span {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  margin-top: 4px;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-frame {
  position: relative;
  width: 100%;
  max-width: 420px;
  aspect-ratio: 3 / 4;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background:
    radial-gradient(ellipse at 50% 30%, rgba(0, 224, 255, 0.10), transparent 65%),
    linear-gradient(180deg, #0a1322 0%, #060a16 100%);
  box-shadow:
    0 0 0 1px rgba(0, 224, 255, 0.1),
    0 30px 80px rgba(0, 0, 0, 0.6),
    0 0 60px rgba(0, 224, 255, 0.2);
}

.hero-frame-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.05) saturate(0.95);
  will-change: clip-path;
}

/* Etat initial avant que le JS ne reprenne (evite un flash) */
.hero-frame-layer-hum { clip-path: inset(0% 0% 0% 0%); }
.hero-frame-layer-bot { clip-path: inset(0% 0% 100% 0%); }

.hero-frame-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(0, 224, 255, 0.15), transparent 60%);
  pointer-events: none;
  mix-blend-mode: screen;
}

.hero-frame-scan {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.7;
  filter: blur(1px);
  animation: scan 4s linear infinite;
  pointer-events: none;
}

@keyframes scan {
  0% { top: 0%; opacity: 0; }
  10% { opacity: 0.8; }
  90% { opacity: 0.8; }
  100% { top: 100%; opacity: 0; }
}

/* ---------- About / Pillars ---------- */

.about {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3rem, 8vh, 6rem) clamp(1.2rem, 4vw, 3rem);
}

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.pillar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  backdrop-filter: blur(10px);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.pillar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 224, 255, 0.06), transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
}

.pillar:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 224, 255, 0.12);
}

.pillar:hover::before {
  opacity: 1;
}

.pillar-icon {
  font-size: 1.6rem;
  color: var(--cyan);
  margin-bottom: 1rem;
  text-shadow: 0 0 18px rgba(0, 224, 255, 0.5);
}

/* ---------- Services ---------- */

.services {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3rem, 8vh, 6rem) clamp(1.2rem, 4vw, 3rem);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}

.service {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
  padding: 1.6rem 1.5rem;
  transition: all 0.25s;
}

.service:hover {
  background: var(--surface-2);
  transform: translateX(4px);
  border-left-color: var(--magenta);
}

.service h3 {
  color: var(--cyan);
  margin-bottom: 0.5rem;
}

/* ---------- Projects ---------- */

.projects {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3rem, 8vh, 6rem) clamp(1.2rem, 4vw, 3rem);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.project-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s;
  text-align: left;
  font-family: inherit;
  color: inherit;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--cyan);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 224, 255, 0.15);
}

.project-thumb {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #0a1322, #0d1a2f);
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--border);
}

.project-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent 0 2px, rgba(0, 224, 255, 0.03) 2px 3px),
    radial-gradient(circle at 50% 50%, rgba(0, 224, 255, 0.18), transparent 60%);
}

.project-thumb-mark {
  font-family: 'Orbitron', sans-serif;
  font-size: 2.2rem;
  color: var(--cyan);
  text-shadow: 0 0 24px rgba(0, 224, 255, 0.6);
  position: relative;
  z-index: 1;
  font-weight: 900;
}

.project-card:hover .project-thumb-mark {
  animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.project-meta {
  padding: 1.25rem 1.4rem 1.5rem;
}

.project-tag {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--cyan);
  background: rgba(0, 224, 255, 0.08);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.7rem;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
}

.project-card h3 {
  margin: 0 0 0.4rem;
  color: var(--text);
  font-size: 1.05rem;
}

.project-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-dim);
}

/* ---------- Modal ---------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal.open {
  display: flex;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 4, 10, 0.85);
  backdrop-filter: blur(8px);
}

.modal-card {
  position: relative;
  width: min(100%, 900px);
  max-height: 90vh;
  background: linear-gradient(160deg, #0a1322, #060a16);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.7),
    0 0 80px rgba(0, 224, 255, 0.15);
  overflow: hidden;
  animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
  from { transform: scale(0.92); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-strong);
  color: var(--cyan);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  z-index: 2;
  transition: all 0.2s;
}

.modal-close:hover {
  background: var(--cyan);
  color: #001018;
}

.modal-body {
  padding: 2rem 2rem 2.4rem;
  overflow-y: auto;
  max-height: 90vh;
}

.modal-body h3 {
  font-size: 1.6rem;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.modal-tag {
  display: inline-block;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.modal-preview {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #0a1322, #060a16);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: grid;
  place-items: center;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
}

.modal-preview::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent 0 3px, rgba(0, 224, 255, 0.05) 3px 4px),
    radial-gradient(circle at center, rgba(0, 224, 255, 0.2), transparent 60%);
}

.modal-preview-placeholder {
  text-align: center;
  position: relative;
  z-index: 1;
  font-family: 'Rajdhani', sans-serif;
  color: var(--text-dim);
}

.modal-preview-placeholder strong {
  display: block;
  color: var(--cyan);
  font-size: 1.3rem;
  margin-bottom: 0.3rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-shadow: 0 0 18px rgba(0, 224, 255, 0.5);
}

.modal-bullets {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--text-dim);
}

.modal-bullets li {
  margin-bottom: 0.4rem;
}

/* ---------- Contact ---------- */

.contact {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3rem, 8vh, 6rem) clamp(1.2rem, 4vw, 3rem);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(2rem, 4vw, 3.5rem);
  backdrop-filter: blur(12px);
}

.contact-left .section-title {
  text-align: left;
  margin-bottom: 1rem;
}

.contact-info {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
}

.contact-info li {
  margin-bottom: 0.8rem;
  font-family: 'Rajdhani', sans-serif;
}

.contact-info span {
  display: inline-block;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  min-width: 70px;
}

.contact-info a {
  color: var(--text);
  transition: color 0.2s;
}

.contact-info a:hover {
  color: var(--cyan);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.contact-form span {
  font-family: 'Rajdhani', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--cyan);
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  background: rgba(4, 8, 18, 0.6);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.98rem;
  transition: all 0.2s;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 224, 255, 0.15);
}

.form-status {
  margin: 0;
  font-size: 0.92rem;
  min-height: 1.2em;
}

.form-status.ok { color: var(--cyan); }
.form-status.err { color: #ff6b8b; }

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding: 1.5rem clamp(1.2rem, 4vw, 3rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-dim);
  font-size: 0.88rem;
}

.footer a:hover { color: var(--cyan); }

/* ---------- Reveal animations ---------- */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */

@media (max-width: 880px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .hero-text { order: 2; }
  .hero-visual { order: 1; }
  .hero-frame { max-width: 280px; }
  .lead { margin-left: auto; margin-right: auto; }
  .cta-row { justify-content: center; }
  .hero-stats { justify-content: center; }

  .nav-links {
    gap: 1rem;
    font-size: 0.8rem;
  }

  .nav-links a:not(.btn) {
    display: none;
  }

  .contact-inner {
    grid-template-columns: 1fr;
  }

  .contact-left .section-title { text-align: center; }
}

@media (max-width: 480px) {
  .logo-text { display: none; }
}