/* ═══════════════════════════════════════════
   ARKADIN · Professional Website · CSS
   ═══════════════════════════════════════════ */

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

:root {
  --primary: #1a56db;
  --primary-dark: #1341b0;
  --primary-light: #2563eb;
  --accent: #6366f1;
  --accent-2: #8b5cf6;
  --dark: #ffffff;
  --dark-2: #f8fafc;
  --dark-3: #f1f5f9;
  --text: #1e293b;
  --text-muted: #475569;
  --text-dim: #94a3b8;
  --white: #1e293b;
  --border: rgba(0,0,0,0.07);
  --border-light: rgba(0,0,0,0.12);
  --glass: rgba(0,0,0,0.03);
  --glass-hover: rgba(0,0,0,0.05);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
  --font: 'Inter', sans-serif;
  --font-display: 'Syne', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Utilities ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 50%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: 12px;
  display: block;
}
.section-label.light { color: var(--primary); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(26,86,219,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(26,86,219,0.5);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-light);
}
.btn-ghost:hover {
  background: var(--glass-hover);
  border-color: rgba(255,255,255,0.25);
}

.btn.full { width: 100%; justify-content: center; }
.arrow { transition: transform 0.2s; }
.btn:hover .arrow { transform: translateX(4px); }

/* ══════════════════════════════════════
   NAVBAR
══════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  box-shadow: var(--shadow);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  text-decoration: none;
}

.logo-svg-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.logo-helix-icon {
  width: 20px;
  height: 40px;
  flex-shrink: 0;
}

.logo-wordmark {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  font-style: normal;
}

.logo-wordmark em {
  font-style: normal;
  background: linear-gradient(135deg, var(--primary-light), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* sous-titre discret sous le logo */
.logo-svg-wrap .logo-sub {
  display: block;
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: -2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--text); background: var(--glass); }
.nav-links a.nav-cta {
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  padding: 8px 20px;
  border-radius: 50px;
  box-shadow: 0 2px 12px rgba(26,86,219,0.25);
}
.nav-links a.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(26,86,219,0.4);
  background: linear-gradient(135deg, var(--primary-dark), var(--accent));
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: var(--transition);
}

/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 160px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
}
.shape-1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(26,86,219,0.12) 0%, transparent 70%);
  top: -200px; right: -150px;
  opacity: 1;
}
.shape-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(99,102,241,0.1) 0%, transparent 70%);
  bottom: -100px; left: -100px;
  opacity: 1;
}
.shape-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(139,92,246,0.08) 0%, transparent 70%);
  top: 40%; left: 40%;
  opacity: 1;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(26,86,219,0.08);
  border: 1px solid rgba(26,86,219,0.2);
  color: var(--primary);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 32px;
}
.badge-dot {
  width: 7px; height: 7px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.stat {
  display: flex;
  flex-direction: column;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}
.stat > span:nth-child(2) {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-light);
}
.stat-label {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 4px;
  font-weight: 500;
}
.stat-divider {
  width: 1px; height: 40px;
  background: var(--border-light);
}

.hero-scroll {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 0;
  pointer-events: none;
}
.hero-scroll span {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scroll-anim 2s ease-in-out infinite;
}
@keyframes scroll-anim {
  0%,100% { opacity: 0.3; transform: scaleY(1); transform-origin: top; }
  50% { opacity: 1; }
}

/* ══════════════════════════════════════
   ABOUT
══════════════════════════════════════ */
.about {
  padding: 120px 0;
  background: var(--dark-2);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
  min-height: 460px;
}

.about-card {
  position: absolute;
  background: var(--glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 24px;
  backdrop-filter: blur(12px);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.about-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 180px;
}

.card-main {
  top: 0; left: 0;
  width: 220px;
  background: linear-gradient(135deg, rgba(26,86,219,0.15), rgba(99,102,241,0.1));
  border-color: rgba(26,86,219,0.3);
}

.card-secondary {
  bottom: 80px; right: 0;
  width: 200px;
  animation: float-card 4s ease-in-out infinite;
}

@keyframes float-card {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.about-circles {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border);
}
.c1 { width: 280px; height: 280px; top: -140px; left: -140px; }
.c2 { width: 200px; height: 200px; top: -100px; left: -100px; border-color: rgba(99,102,241,0.15); }
.c3 { width: 120px; height: 120px; top: -60px; left: -60px; background: linear-gradient(135deg, rgba(26,86,219,0.08), rgba(99,102,241,0.08)); }

.about-badge-float {
  position: absolute;
  bottom: 20px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, rgba(26,86,219,0.2), rgba(99,102,241,0.15));
  border: 1px solid rgba(26,86,219,0.3);
  border-radius: 50px;
  padding: 12px 24px;
  text-align: center;
  white-space: nowrap;
}
.about-badge-float span { display: block; font-size: 0.85rem; font-weight: 600; color: var(--white); }
.about-badge-float .sub { font-size: 0.72rem; color: var(--text-dim); margin-top: 2px; font-weight: 400; }

.about-body {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-values {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 28px 0 36px;
}
.about-values li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}
.val-icon { color: var(--primary-light); font-size: 0.7rem; }

/* ══════════════════════════════════════
   SERVICES
══════════════════════════════════════ */
.services {
  padding: 120px 0;
  background: var(--dark);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: var(--transition);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.service-card:hover {
  background: var(--glass-hover);
  border-color: var(--border-light);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.service-card:hover::before { transform: scaleX(1); }

.service-card.featured {
  background: linear-gradient(135deg, rgba(26,86,219,0.15) 0%, rgba(99,102,241,0.1) 100%);
  border-color: rgba(26,86,219,0.35);
}
.service-card.featured::before { transform: scaleX(1); }

.featured-badge {
  position: absolute;
  top: 20px; right: 20px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.service-icon-wrap {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, rgba(26,86,219,0.2), rgba(99,102,241,0.15));
  border: 1px solid rgba(26,86,219,0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  margin-bottom: 20px;
}

.service-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 8px;
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}

.service-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.service-features li {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-left: 18px;
  position: relative;
}
.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-light);
  font-weight: 700;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-light);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: gap 0.2s;
}
.service-link:hover { gap: 10px; }

/* ══════════════════════════════════════
   WHY US
══════════════════════════════════════ */
.why-us {
  padding: 120px 0;
  background: linear-gradient(135deg, #eef2ff 0%, #f0f9ff 100%);
  position: relative;
  overflow: hidden;
}

.why-us::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.why-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.section-title.light { color: var(--text); }

.why-body {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 40px;
}

.why-items {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.why-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.why-icon {
  width: 46px; height: 46px;
  background: rgba(26,86,219,0.08);
  border: 1px solid rgba(26,86,219,0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.why-item h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.why-item p { font-size: 0.88rem; color: var(--text-dim); }

/* Why cards */
.why-card-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.wcard {
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: var(--transition);
}
.wcard:hover {
  box-shadow: 0 6px 24px rgba(0,0,0,0.1);
  transform: translateX(6px);
}

.wcard-1 { margin-left: 0; }
.wcard-2 { margin-left: 20px; }
.wcard-3 { margin-left: 40px; }

.wcard-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.wcard-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
}
.wcard-dot.green { background: #22c55e; }
.wcard-dot.blue { background: var(--primary-light); }
.wcard-dot.purple { background: var(--accent-2); }

.wcard-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
}

.wcard-bar {
  height: 4px;
  background: rgba(0,0,0,0.06);
  border-radius: 2px;
  overflow: hidden;
}
.wcard-fill {
  height: 100%;
  background: linear-gradient(90deg, #22c55e, #16a34a);
  border-radius: 2px;
  transition: width 1.5s ease;
}
.wcard-fill.blue { background: linear-gradient(90deg, var(--primary), var(--primary-light)); }
.wcard-fill.purple { background: linear-gradient(90deg, var(--accent), var(--accent-2)); }

/* ══════════════════════════════════════
   PROCESS
══════════════════════════════════════ */
.process {
  padding: 120px 0;
  background: var(--dark);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.step {
  position: relative;
  padding: 0 24px 0 0;
  text-align: center;
}

.step-num {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--white);
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 20px rgba(26,86,219,0.4);
}

.step-line {
  position: absolute;
  top: 28px;
  left: calc(50% + 28px);
  right: -24px;
  height: 1px;
  background: linear-gradient(90deg, var(--primary-light), transparent);
  opacity: 0.4;
}

.step h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.step p {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ══════════════════════════════════════
   TESTIMONIALS
══════════════════════════════════════ */
.testimonials {
  padding: 120px 0;
  background: var(--dark-2);
}

.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testi-card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: var(--transition);
}

.testi-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-light);
  box-shadow: var(--shadow);
}

.testi-card.featured {
  background: linear-gradient(135deg, rgba(26,86,219,0.12), rgba(99,102,241,0.08));
  border-color: rgba(26,86,219,0.3);
}

.testi-stars {
  color: #f59e0b;
  font-size: 0.9rem;
  margin-bottom: 18px;
  letter-spacing: 2px;
}

.testi-card > p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
  font-style: italic;
  margin-bottom: 28px;
}

.testi-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-avatar {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--white);
  flex-shrink: 0;
}

.testi-author strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 2px;
}
.testi-author span {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* ══════════════════════════════════════
   CLIENTS / ILS NOUS ONT FAIT CONFIANCE
══════════════════════════════════════ */
.clients {
  padding: 100px 0 80px;
  background: var(--dark-3);
}

.clients-marquee {
  position: relative;
  overflow: hidden;
  padding: 10px 0;
  margin-top: 8px;
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

.clients-track {
  display: flex;
  align-items: center;
  gap: 20px;
  width: max-content;
}

.track-forward {
  animation: clients-fwd 38s linear infinite;
}

.track-reverse {
  animation: clients-rev 32s linear infinite;
}

.clients-marquee:hover .clients-track {
  animation-play-state: paused;
}

@keyframes clients-fwd {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@keyframes clients-rev {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}

.client-logo-card {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 30px;
  min-width: 160px;
  height: 80px;
  flex-shrink: 0;
  cursor: default;
  transition: transform var(--transition), box-shadow var(--transition);
}

.client-logo-card.dark-bg {
  background: #1e293b;
  border-color: rgba(255, 255, 255, 0.08);
}

.client-logo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.client-logo-card img {
  max-height: 38px;
  max-width: 130px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(1) opacity(0.55);
  transition: filter var(--transition);
  display: block;
}

.client-logo-card:hover img {
  filter: grayscale(0) opacity(1);
}

/* Logos carrés ou plus grands (ex: RMA) */
.client-logo-card.logo-lg img {
  max-height: 72px;
  max-width: 72px;
}

/* ══════════════════════════════════════
   CONTACT
══════════════════════════════════════ */
.contact {
  padding: 120px 0;
  background: var(--dark);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-body {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 48px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  font-size: 1.3rem;
  width: 44px; height: 44px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.contact-item span {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.contact-social {
  display: flex;
  gap: 12px;
}

.social-btn {
  padding: 10px 20px;
  border: 1px solid var(--border-light);
  border-radius: 50px;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}
.social-btn:hover {
  color: var(--white);
  border-color: rgba(255,255,255,0.25);
  background: var(--glass);
}

/* Form */
.contact-form-wrap {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.92rem;
  padding: 12px 16px;
  outline: none;
  transition: var(--transition);
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #adb5bd;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(26,86,219,0.6);
  background: rgba(26,86,219,0.05);
  box-shadow: 0 0 0 3px rgba(26,86,219,0.1);
}

.form-group select option {
  background: #ffffff;
  color: var(--text);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-note {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-align: center;
}

.form-alert {
  display: none;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1.5;
}
.form-alert--success {
  background: #f0fdf4;
  border: 1px solid #86efac;
  color: #166534;
}
.form-alert--error {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #991b1b;
}

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.footer {
  background: #f8fafc;
  border-top: 1px solid rgba(0,0,0,0.07);
  padding-top: 80px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
}

.footer-brand .logo {
  display: inline-block;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.7;
}

.footer-links h5 {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a,
.footer-links span {
  font-size: 0.88rem;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }

.footer-bottom {
  border-top: 1px solid rgba(0,0,0,0.07);
  padding: 24px 0;
}

.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom span {
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ══════════════════════════════════════
   ANIMATIONS / REVEAL
══════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 1024px) {
  .services-grid,
  .testi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-card:last-child {
    grid-column: 1 / -1;
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
  }
  .about-grid,
  .why-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about-visual { min-height: 320px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 36px; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .step-line { display: none; }
}

@media (max-width: 768px) {
  .client-logo-card {
    min-width: 128px;
    height: 64px;
    padding: 14px 18px;
  }
  .client-logo-card img {
    max-height: 30px;
    max-width: 100px;
  }
  .clients { padding: 70px 0 50px; }

  .nav-links {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,0.98);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 16px;
    z-index: 999;
    backdrop-filter: blur(20px);
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.2rem; padding: 12px 32px; }
  .hamburger { display: flex; z-index: 1001; }
  .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .hamburger.active span:nth-child(2) { opacity: 0; }
  .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .hero-title { font-size: 2.8rem; }
  .hero-stats { gap: 20px; }
  .services-grid,
  .testi-grid,
  .process-steps { grid-template-columns: 1fr; }
  .service-card:last-child { grid-column: auto; max-width: 100%; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom .container { flex-direction: column; gap: 8px; text-align: center; }
  .about-card { position: static; width: 100% !important; margin-bottom: 16px; }
  .about-circles, .about-badge-float { display: none; }
  .about-visual { min-height: auto; }
  .wcard-2, .wcard-3 { margin-left: 0; }
  .contact-form-wrap { padding: 24px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.2rem; }
  .section-title { font-size: 1.75rem; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 60px; height: 1px; }
  .hero-badge { font-size: 0.7rem; }
}