/* ============================================================
   IA PROSPECTION — Design System
   Dark Tech Theme | 2026
   ============================================================ */

/* --- RESET & BASE ----------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

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

/* --- DESIGN TOKENS ---------------------------------------- */
:root {
  --bg:         #07070F;
  --bg-2:       #0C0C1A;
  --bg-card:    rgba(255, 255, 255, 0.03);
  --bg-card-h:  rgba(99, 102, 241, 0.08);
  --border:     rgba(99, 102, 241, 0.18);
  --border-h:   rgba(99, 102, 241, 0.45);

  --indigo:     #6366F1;
  --indigo-2:   #4F46E5;
  --indigo-3:   #3730A3;
  --indigo-light: #A5B4FC;
  --cyan:       #22D3EE;
  --cyan-2:     #0EA5E9;
  --green:      #10B981;
  --orange:     #F59E0B;
  --red:        #EF4444;

  --text:       #F1F5F9;
  --text-muted: #94A3B8;
  --text-dim:   #64748B;

  --r-xs: 6px;
  --r-sm: 8px;
  --r:    12px;
  --r-lg: 18px;
  --r-xl: 24px;
  --r-2xl: 32px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow:    0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.5);
  --glow:      0 0 40px rgba(99,102,241,0.25);
  --glow-cyan: 0 0 40px rgba(34,211,238,0.2);

  --nav-h: 72px;
  --section-py: 96px;
  --container: 1200px;
}

/* --- TYPOGRAPHY ------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p { color: var(--text-muted); line-height: 1.75; }

.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, var(--indigo-light) 50%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-indigo { color: var(--indigo); }
.text-cyan   { color: var(--cyan); }
.text-green  { color: var(--green); }
.text-muted  { color: var(--text-muted); }
.text-dim    { color: var(--text-dim); }
.text-white  { color: #fff; }

/* --- LAYOUT ----------------------------------------------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: var(--section-py) 0; }
.section-sm { padding: 64px 0; }
.section-lg { padding: 120px 0; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-4 { gap: 4px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }

.text-center { text-align: center; }
.mx-auto { margin: 0 auto; }

/* --- SECTION LABEL ---------------------------------------- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--indigo-light);
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.25);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

/* --- BUTTONS ---------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--r);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.2s ease;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--indigo);
  color: #fff;
  border-color: var(--indigo);
  box-shadow: 0 0 0 0 rgba(99,102,241,0);
}
.btn-primary:hover {
  background: var(--indigo-2);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(99,102,241,0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-outline:hover {
  border-color: var(--border-h);
  background: var(--bg-card-h);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  padding: 10px 16px;
}
.btn-ghost:hover { color: var(--text); }

.btn-lg { padding: 18px 36px; font-size: 1.05rem; border-radius: var(--r-lg); }
.btn-sm { padding: 10px 18px; font-size: 0.85rem; }

/* --- CARDS ------------------------------------------------ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 32px;
  transition: all 0.3s ease;
}
.card:hover {
  border-color: var(--border-h);
  background: var(--bg-card-h);
  transform: translateY(-4px);
  box-shadow: var(--glow);
}

.card-sm { padding: 20px 24px; border-radius: var(--r-lg); }

/* Card Icon */
.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--r);
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

/* --- BADGES ----------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.badge-indigo { background: rgba(99,102,241,0.15); color: var(--indigo-light); border: 1px solid rgba(99,102,241,0.25); }
.badge-green  { background: rgba(16,185,129,0.12); color: #34D399; border: 1px solid rgba(16,185,129,0.25); }
.badge-cyan   { background: rgba(34,211,238,0.1);  color: var(--cyan); border: 1px solid rgba(34,211,238,0.2); }
.badge-orange { background: rgba(245,158,11,0.12); color: #FCD34D; border: 1px solid rgba(245,158,11,0.25); }

/* --- DIVIDER ---------------------------------------------- */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}

/* Mobile menu caché par défaut sur desktop */
.nav-mobile-menu { display: none; }

.nav.scrolled {
  background: rgba(7,7,15,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-logo {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo .logo-icon {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--indigo), var(--cyan));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 8px 14px;
  border-radius: var(--r-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }

.nav-cta { margin-left: 12px; }

/* Mobile menu */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  position: relative;
  overflow: hidden;
}

/* Background grid */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}

/* Glow orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(99,102,241,0.15), transparent 70%);
  top: -100px; left: -100px;
}
.hero-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(34,211,238,0.1), transparent 70%);
  bottom: 50px; right: -50px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
  padding: 80px 0;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.3);
  border-radius: 100px;
  padding: 8px 18px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--indigo-light);
  letter-spacing: 0.05em;
  margin-bottom: 28px;
  animation: fadeInDown 0.6s ease both;
}

.hero-tag .dot {
  width: 7px; height: 7px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s infinite;
}

.hero h1 {
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero p.subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  max-width: 620px;
  margin: 0 auto 40px;
  color: var(--text-muted);
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
  animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-stat {
  background: var(--bg-card);
  padding: 24px 20px;
  text-align: center;
  transition: background 0.2s;
}
.hero-stat:hover { background: var(--bg-card-h); }

.hero-stat-value {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff, var(--indigo-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.hero-stat-label {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 4px;
  display: block;
}

/* ============================================================
   SOCIAL PROOF TICKER
   ============================================================ */
.ticker {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  overflow: hidden;
  position: relative;
}

.ticker-inner {
  display: flex;
  gap: 64px;
  animation: ticker 30s linear infinite;
  width: max-content;
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-dim);
  white-space: nowrap;
}
.ticker-item strong { color: var(--text-muted); }
.ticker-dot {
  width: 4px; height: 4px;
  background: var(--indigo);
  border-radius: 50%;
  flex-shrink: 0;
}

@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   PROBLEM SECTION
   ============================================================ */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
}

.problem-col {
  background: var(--bg-2);
  padding: 48px;
}

.problem-col.problem-before {
  position: relative;
}
.problem-col.problem-before::after {
  content: 'VS';
  position: absolute;
  right: -24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-dim);
}

.problem-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.problem-tag.before { background: rgba(239,68,68,0.1); color: #FC8181; border: 1px solid rgba(239,68,68,0.2); }
.problem-tag.after  { background: rgba(16,185,129,0.1); color: #34D399; border: 1px solid rgba(16,185,129,0.2); }

.problem-list { display: flex; flex-direction: column; gap: 16px; margin-top: 24px; }
.problem-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.problem-item-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  margin-top: 2px;
}
.before .problem-item-icon { background: rgba(239,68,68,0.12); }
.after  .problem-item-icon { background: rgba(16,185,129,0.12); }

/* ============================================================
   SERVICES
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 36px 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.05), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.service-card:hover {
  border-color: var(--border-h);
  transform: translateY(-6px);
  box-shadow: var(--glow);
}
.service-card:hover::before { opacity: 1; }

.service-number {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--indigo);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.service-features {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.service-feature::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* ============================================================
   PROCESS
   ============================================================ */
.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(16.666% + 24px);
  right: calc(16.666% + 24px);
  height: 1px;
  background: linear-gradient(90deg, var(--indigo), var(--cyan));
  opacity: 0.3;
}

.process-step {
  text-align: center;
  padding: 40px 24px;
  position: relative;
}

.process-step-number {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--indigo), var(--indigo-2));
  border: 1px solid rgba(99,102,241,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 24px;
  box-shadow: 0 0 32px rgba(99,102,241,0.3);
}

.process-step h3 { margin-bottom: 12px; }
.process-step-timing {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cyan);
  background: rgba(34,211,238,0.08);
  border: 1px solid rgba(34,211,238,0.2);
  padding: 4px 12px;
  border-radius: 100px;
  margin-top: 16px;
}

/* ============================================================
   TOOLS SECTION
   ============================================================ */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 36px;
  transition: all 0.3s ease;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  text-decoration: none;
  color: inherit;
}

.tool-card:hover {
  border-color: var(--border-h);
  background: var(--bg-card-h);
  transform: translateY(-4px);
  box-shadow: var(--glow);
}

.tool-icon {
  width: 60px; height: 60px;
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.tool-icon.indigo { background: rgba(99,102,241,0.12); border: 1px solid rgba(99,102,241,0.25); }
.tool-icon.cyan   { background: rgba(34,211,238,0.08); border: 1px solid rgba(34,211,238,0.2); }
.tool-icon.green  { background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.2); }
.tool-icon.orange { background: rgba(245,158,11,0.08); border: 1px solid rgba(245,158,11,0.2); }

.tool-body { flex: 1; }
.tool-body h3 { margin-bottom: 8px; font-size: 1.1rem; }
.tool-arrow {
  color: var(--text-dim);
  transition: all 0.2s;
  align-self: center;
  font-size: 1.2rem;
}
.tool-card:hover .tool-arrow { color: var(--indigo-light); transform: translateX(4px); }

/* ============================================================
   PRICING
   ============================================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 36px;
  transition: all 0.3s ease;
  position: relative;
}

.pricing-card.featured {
  background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(34,211,238,0.05));
  border-color: rgba(99,102,241,0.45);
  box-shadow: var(--glow);
  transform: scale(1.03);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--indigo), var(--cyan));
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 5px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-name {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 4px;
}

.pricing-price .amount {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
}

.pricing-price .currency {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-muted);
  align-self: flex-start;
  margin-top: 8px;
}

.pricing-price .period {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.pricing-target {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 24px;
}

.pricing-divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.pricing-feature {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.pricing-feature .check {
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.pricing-rdv {
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: var(--r);
  padding: 12px 16px;
  font-size: 0.85rem;
  color: #34D399;
  font-weight: 600;
  text-align: center;
  margin-bottom: 20px;
}

/* ============================================================
   BLOG
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  border-color: var(--border-h);
  transform: translateY(-4px);
  box-shadow: var(--glow);
}

.blog-card-thumb {
  height: 180px;
  background: linear-gradient(135deg, var(--bg-2), rgba(99,102,241,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  border-bottom: 1px solid var(--border);
}

.blog-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.blog-card-body h3 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--text);
  line-height: 1.45;
}

.blog-card-body p {
  font-size: 0.85rem;
  flex: 1;
  margin-bottom: 20px;
}

.blog-card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--indigo-light);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s;
}

.blog-card:hover .blog-card-link { gap: 10px; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { max-width: 780px; margin: 0 auto; }

.faq-item {
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  background: none;
  border: none;
  transition: color 0.2s;
}
.faq-question:hover { color: var(--indigo-light); }

.faq-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
  transition: all 0.3s;
  color: var(--text-dim);
}

.faq-item.open .faq-icon {
  background: rgba(99,102,241,0.12);
  border-color: rgba(99,102,241,0.3);
  color: var(--indigo-light);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer-inner {
  padding: 0 0 24px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.faq-item.open .faq-answer { max-height: 400px; }

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(34,211,238,0.05));
  border: 1px solid rgba(99,102,241,0.25);
  border-radius: var(--r-2xl);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(99,102,241,0.12), transparent 70%);
  pointer-events: none;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 72px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-brand p {
  font-size: 0.88rem;
  margin: 16px 0 24px;
  max-width: 280px;
}

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

.footer-social a {
  width: 38px; height: 38px;
  border-radius: var(--r-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-dim);
  transition: all 0.2s;
}
.footer-social a:hover {
  border-color: var(--border-h);
  color: var(--text);
  background: var(--bg-card-h);
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 20px;
}

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

.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--text); }

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

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

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(99,102,241,0.12), transparent 70%);
  pointer-events: none;
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--text-dim); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--text-muted); }
.breadcrumb span { color: var(--text-muted); }

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--text);
  transition: all 0.2s;
  outline: none;
}

.form-control:focus {
  border-color: var(--indigo);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}

.form-control::placeholder { color: var(--text-dim); }

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748B' viewBox='0 0 256 256'%3E%3Cpath d='M213.66,101.66l-80,80a8,8,0,0,1-11.32,0l-80-80A8,8,0,0,1,53.66,90.34L128,164.69l74.34-74.35a8,8,0,0,1,11.32,11.32Z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

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

/* ============================================================
   RESULT BOXES
   ============================================================ */
.result-box {
  background: rgba(99,102,241,0.06);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: var(--r-lg);
  padding: 28px;
}

.result-box.success {
  background: rgba(16,185,129,0.06);
  border-color: rgba(16,185,129,0.2);
}

.result-big {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--green); }
  50%       { opacity: 0.6; box-shadow: 0 0 16px var(--green); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: all 0.6s ease;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger > *:nth-child(1) { transition-delay: 0.05s; }
.stagger > *:nth-child(2) { transition-delay: 0.1s; }
.stagger > *:nth-child(3) { transition-delay: 0.15s; }
.stagger > *:nth-child(4) { transition-delay: 0.2s; }

/* ============================================================
   UTILITIES
   ============================================================ */
.mt-8  { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mt-64 { margin-top: 64px; }
.mb-8  { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }
.mb-64 { margin-bottom: 64px; }

.hidden { display: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  :root { --section-py: 72px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --section-py: 56px; }

  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }

  .nav-mobile-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(7,7,15,0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 99;
  }
  .nav-mobile-menu.open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav-mobile-menu a {
    padding: 14px 16px;
    border-radius: var(--r);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
  }
  .nav-mobile-menu a:last-child { border-bottom: none; }
  .nav-mobile-menu a.btn-primary { color: #fff; margin-top: 8px; }

  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn { justify-content: center; }

  .grid-2,
  .grid-3,
  .services-grid,
  .pricing-grid,
  .blog-grid,
  .tools-grid,
  .process-steps { grid-template-columns: 1fr; }

  .pricing-card.featured { transform: scale(1); }

  .problem-grid { grid-template-columns: 1fr; }
  .problem-col.problem-before::after { display: none; }

  .process-steps::before { display: none; }

  .cta-section { padding: 48px 24px; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .tool-card { flex-direction: column; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.6rem; }
}