@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ===================== VARIABLES ===================== */
:root {
  --bg-primary: #080810;
  --bg-secondary: #0e0e1a;
  --bg-card: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(0,212,255,0.3);
  --cyan: #00d4ff;
  --purple: #7c3aed;
  --cyan-glow: rgba(0,212,255,0.15);
  --purple-glow: rgba(124,58,237,0.15);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --gradient: linear-gradient(135deg, var(--cyan), var(--purple));
  --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ===================== RESET ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===================== BACKGROUND GRID ===================== */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* ===================== NAVBAR ===================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: rgba(8, 8, 16, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 60px;
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
/* Icône Bio-Fortress Iris (Miniature pour Navbar) */
.icon-bio-fortress-iris {
    width: 40px;
    height: 40px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}
.iris-segment {
    position: absolute;
    border-style: solid;
    border-radius: 50%;
    border-top-color: transparent;
    border-left-color: transparent;
}
.s1 { width: 32px; height: 32px; transform: rotate(45deg); border-width: 2.5px; border-color: #0047ab; border-top-color: transparent; border-left-color: transparent; }
.s2 { width: 24px; height: 24px; transform: rotate(-120deg); border-width: 2.5px; border-color: #00e5ff; border-top-color: transparent; border-left-color: transparent; }
.s3 { width: 16px; height: 16px; transform: rotate(10deg); border-width: 1.5px; border-color: #0047ab; border-top-color: transparent; border-left-color: transparent; }
.validation-laser {
    width: 1.5px;
    height: 15px;
    background: #00e5ff;
    border-radius: 2px;
    box-shadow: 0 0 4px #00e5ff;
    z-index: 2;
    position: absolute;
}
.scan-dots {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}
.scan-dots .dot {
    width: 3px;
    height: 3px;
    background-color: #00e5ff;
    border-radius: 50%;
}
.scan-dots .dot-top { margin-top: 4px; }
.scan-dots .dot-bottom { margin-bottom: 4px; }

/* Typographie du logo Navbar */
.navbar-logo .text-box {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.navbar-logo .brand-name {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    margin: 0;
    letter-spacing: -1px;
    text-transform: uppercase;
    line-height: 1;
}
.navbar-logo .brand-gate {
    color: #00e5ff;
}
.navbar-logo .tagline-pro {
    font-size: 8px;
    color: #8b9bb4;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 2px;
    font-weight: bold;
    margin-bottom: 0;
}

.nav-tabs {
  display: flex;
  align-items: center;
  gap: 12px;
  list-style: none;
}
.nav-tab {
  position: relative;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  user-select: none;
  border: none;
  background: none;
  font-family: 'Inter', sans-serif;
}
.nav-tab:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.nav-tab.active {
  color: var(--cyan);
  background: var(--cyan-glow);
}
.nav-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 50%;
  transform: translateX(-50%);
  width: 60%; height: 2px;
  background: var(--cyan);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--cyan);
}

.nav-cta {
  padding: 10px 22px;
  background: var(--gradient);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 6px;
}
.nav-cta:hover { opacity: 0.85; transform: translateY(-1px); box-shadow: 0 4px 20px rgba(0,212,255,0.3); }

/* ===================== TAB CONTENT ===================== */
.tab-content { display: none; position: relative; z-index: 1; }
.tab-content.active { display: block; animation: fadeUp 0.4s ease; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===================== HERO ===================== */
.hero {
  min-height: calc(100vh - 72px);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 80px 40px;
  position: relative;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px;
  background: var(--cyan-glow);
  border: 1px solid var(--border-hover);
  border-radius: 100px;
  font-size: 13px; font-weight: 500;
  color: var(--cyan);
  margin-bottom: 32px;
  letter-spacing: 0.5px;
}
.hero-badge::before { content: '●'; font-size: 8px; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

.hero h1 {
  font-size: clamp(38px, 6vw, 76px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2.5px;
  margin-bottom: 32px;
  max-width: 1050px;
}
.hero h1 .gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 850px;
  line-height: 1.8;
  margin-bottom: 56px;
}

.hero-actions { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; margin-bottom: 80px; }
.btn-primary {
  padding: 16px 36px;
  background: var(--gradient);
  color: white;
  border: none; border-radius: var(--radius-sm);
  font-size: 16px; font-weight: 700;
  cursor: pointer; text-decoration: none;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,212,255,0.35); }
.btn-secondary {
  padding: 16px 36px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px; font-weight: 600;
  cursor: pointer; text-decoration: none;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}
.btn-secondary:hover { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-glow); }

.hero-stats {
  display: flex; gap: 48px; flex-wrap: wrap; justify-content: center;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.stat { text-align: center; }
.stat-value { font-size: 32px; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* ===================== SECTION ===================== */
.section { padding: 140px 100px; max-width: 1600px; margin: 0 auto; }
.section-title { font-size: clamp(32px, 4vw, 52px); font-weight: 800; margin-bottom: 24px; letter-spacing: -1.5px; }
.section-sub { font-size: 21px; color: var(--text-secondary); max-width: 900px; line-height: 1.8; }

/* ===================== CARDS ===================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}
.card:hover { border-color: var(--border-hover); box-shadow: 0 0 32px var(--cyan-glow), var(--shadow-card); transform: translateY(-4px); }

/* ===================== PLANS ===================== */
.plans-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; margin-top: 60px; }
.plan-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  position: relative;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}
.plan-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }
.plan-card.featured {
  border-color: var(--cyan);
  box-shadow: 0 0 40px var(--cyan-glow);
}
.plan-card.featured::before {
  content: 'RECOMMANDÉ';
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--gradient);
  padding: 4px 16px;
  border-radius: 100px;
  font-size: 11px; font-weight: 800; letter-spacing: 1px;
  color: white;
}
.plan-badge {
  display: inline-block;
  padding: 4px 12px; border-radius: 100px;
  font-size: 12px; font-weight: 700; letter-spacing: 1px;
  margin-bottom: 20px;
}
.badge-shadow { background: rgba(148,163,184,0.1); color: var(--text-secondary); }
.badge-sentinel { background: var(--cyan-glow); color: var(--cyan); border: 1px solid rgba(0,212,255,0.3); }
.badge-vault { background: var(--purple-glow); color: #a78bfa; border: 1px solid rgba(124,58,237,0.3); }

.plan-name { font-size: 26px; font-weight: 800; margin-bottom: 8px; }
.plan-tagline { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.plan-features { list-style: none; display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.plan-features li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text-secondary); line-height: 1.5; }
.plan-features li::before { content: '✓'; color: var(--cyan); font-weight: 700; flex-shrink: 0; }
.plan-features li.purple::before { color: #a78bfa; }
.plan-btn {
  width: 100%;
  padding: 14px;
  border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 700;
  cursor: pointer; border: none;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
}
.plan-btn-outline { background: transparent; color: var(--text-primary); border: 1px solid var(--border); }
.plan-btn-outline:hover { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-glow); }
.plan-btn-gradient { background: var(--gradient); color: white; }
.plan-btn-gradient:hover { opacity: 0.85; transform: translateY(-1px); box-shadow: 0 4px 20px rgba(0,212,255,0.3); }
.plan-btn-purple { background: linear-gradient(135deg, #7c3aed, #a855f7); color: white; }
.plan-btn-purple:hover { opacity: 0.85; }

/* ===================== STEPS ===================== */
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; margin-top: 60px; }
.step-card { position: relative; display: flex; flex-direction: column; }
.step-note { margin-top: auto; padding-top: 20px; font-size: 11px; color: var(--text-secondary); opacity: 0.45; font-weight: 400; letter-spacing: 0.3px; }
.step-num {
  width: 48px; height: 48px; border-radius: 14px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 900;
  margin-bottom: 20px;
}
.step-title { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.step-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
.step-connector {
  display: none;
}

/* ===================== CODE BLOCK ===================== */
.code-section { margin-top: 60px; }
.code-tabs { display: flex; gap: 8px; margin-bottom: 0; }
.code-tab {
  padding: 10px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  font-size: 13px; font-weight: 600;
  color: var(--text-muted);
  cursor: pointer; font-family: 'Inter', sans-serif;
  transition: var(--transition);
}
.code-tab.active { background: #0f1117; color: var(--cyan); border-color: var(--cyan); }
.code-block {
  background: #0f1117;
  border: 1px solid var(--border);
  border-radius: 0 var(--radius) var(--radius) var(--radius);
  padding: 32px;
  position: relative;
  overflow-x: auto;
}
.code-block pre { font-family: 'Fira Code', 'Courier New', monospace; font-size: 14px; line-height: 1.8; color: #e2e8f0; }
.tok-comment { color: #64748b; }
.tok-keyword { color: #7c3aed; }
.tok-string { color: #10b981; }
.tok-var { color: #00d4ff; }
.tok-fn { color: #f59e0b; }
.copy-btn {
  position: absolute; top: 16px; right: 16px;
  padding: 6px 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted); font-size: 12px; font-weight: 600;
  cursor: pointer; font-family: 'Inter', sans-serif;
  transition: var(--transition);
}
.copy-btn:hover { background: var(--cyan-glow); color: var(--cyan); border-color: var(--border-hover); }

/* ===================== LEGAL ===================== */
.legal-container { max-width: 800px; margin: 0 auto; padding: 80px 40px; }
.legal-tabs { display: flex; gap: 8px; margin-bottom: 40px; flex-wrap: wrap; }
.legal-tab {
  padding: 10px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer; font-family: 'Inter', sans-serif;
  transition: var(--transition);
}
.legal-tab.active { background: var(--cyan-glow); color: var(--cyan); border-color: var(--border-hover); }
.legal-doc { display: none; }
.legal-doc.active { display: block; animation: fadeUp 0.3s ease; }
.legal-doc h2 { font-size: 28px; font-weight: 800; margin-bottom: 32px; letter-spacing: -0.5px; }
.legal-doc h3 { font-size: 16px; font-weight: 700; color: var(--cyan); margin: 28px 0 12px; text-transform: uppercase; letter-spacing: 1px; font-size: 12px; }
.legal-doc p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; }
.legal-doc ul { padding-left: 20px; display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.legal-doc li { font-size: 15px; color: var(--text-secondary); line-height: 1.7; }
.legal-doc strong { color: var(--text-primary); }
.legal-doc .highlight-box {
  background: var(--cyan-glow);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 14px; color: var(--text-primary);
}

/* ===================== CONTACT ===================== */
.contact-container {
  max-width: 700px; margin: 0 auto; padding: 100px 40px;
  display: flex; flex-direction: column; align-items: center; text-align: center;
}
.contact-email-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 18px; font-weight: 600; color: var(--cyan);
  margin: 40px 0;
  text-decoration: none;
  transition: var(--transition);
}
.contact-email-badge:hover { border-color: var(--border-hover); box-shadow: 0 0 24px var(--cyan-glow); }
.contact-form { width: 100%; display: flex; flex-direction: column; gap: 16px; margin-top: 16px; text-align: left; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.form-group input, .form-group select, .form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--text-primary);
  font-size: 15px; font-family: 'Inter', sans-serif;
  transition: var(--transition);
  outline: none; resize: vertical;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--cyan); box-shadow: 0 0 0 3px var(--cyan-glow);
}
.form-group select option { background: var(--bg-secondary); }
.form-submit {
  padding: 16px; background: var(--gradient);
  color: white; border: none; border-radius: var(--radius-sm);
  font-size: 16px; font-weight: 700; cursor: pointer;
  font-family: 'Inter', sans-serif; transition: var(--transition); margin-top: 8px;
}
.form-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,212,255,0.3); }
.form-success {
  display: none; padding: 20px; background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3); border-radius: var(--radius-sm);
  color: #10b981; font-size: 15px; font-weight: 600; text-align: center;
}

/* ===================== FOOTER ===================== */
footer {
  border-top: 1px solid var(--border);
  padding: 40px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 20px;
  position: relative; z-index: 1;
}
.footer-logo { font-size: 18px; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.footer-links { display: flex; gap: 24px; list-style: none; flex-wrap: wrap; }
.footer-links button { background: none; border: none; color: var(--text-muted); font-size: 13px; cursor: pointer; font-family: 'Inter', sans-serif; transition: var(--transition); }
.footer-links button:hover { color: var(--cyan); }
.footer-copy { font-size: 13px; color: var(--text-muted); }

/* ===================== FEATURES GRID ===================== */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin-top: 60px; }
.feature-card { padding: 28px; }
.feature-icon { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 20px; }
.feature-icon.cyan { background: var(--cyan-glow); }
.feature-icon.purple { background: var(--purple-glow); }
.feature-icon.green { background: rgba(16,185,129,0.1); }
.feature-title { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.feature-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ===================== FAQ ===================== */
.faq-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 100px 40px;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item:last-child { border-bottom: none; }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 28px;
  background: var(--bg-card);
  border: none;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}
.faq-question:hover {
  background: rgba(0,212,255,0.05);
  color: var(--cyan);
}
.faq-question[aria-expanded="true"] {
  background: rgba(0,212,255,0.07);
  color: var(--cyan);
  border-bottom: 1px solid var(--border);
}
.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 300;
  color: var(--cyan);
  transition: transform 0.3s ease;
  line-height: 1;
}
.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  display: none;
  padding: 0 28px;
  background: rgba(0,0,0,0.2);
  overflow: hidden;
}
.faq-answer.open {
  display: block;
  animation: fadeUp 0.25s ease;
}
.faq-answer p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.85;
  padding: 20px 0;
  margin: 0;
}
.faq-answer p + p { padding-top: 0; }
.faq-answer code {
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 4px;
  padding: 2px 7px;
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 13px;
  color: var(--cyan);
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .section { padding: 80px 30px; }
  .navbar { padding: 0 30px; }
  .plans-grid { gap: 24px; }
}

@media (max-width: 768px) {
  .navbar { padding: 0 24px; height: 68px; }
  .navbar-logo .brand-name { font-size: 19px; }
  .navbar-logo .tagline-pro { font-size: 7px; }
  .icon-bio-fortress-iris { width: 34px; height: 34px; }
  
  .nav-tabs { 
    display: none; 
    flex-direction: column; 
    position: absolute; 
    top: 68px; 
    left: 0; 
    right: 0; 
    background: rgba(8, 8, 16, 0.98); 
    border-bottom: 1px solid var(--border); 
    padding: 20px 24px; 
    gap: 8px; 
    z-index: 99;
  }
  
  .nav-tabs.mobile-open {
    display: flex;
  }

  .nav-tab {
    font-size: 18px;
    padding: 12px 0;
    text-align: left;
    width: 100%;
  }

  .nav-tab.active::after {
    left: 0;
    right: auto;
    width: 4px;
    height: 100%;
    bottom: 0;
  }
  
  .nav-cta { padding: 10px 20px; font-size: 13px; }
  
  .mobile-menu-btn { 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    background: none; 
    border: 1px solid var(--border); 
    border-radius: 10px; 
    width: 40px; 
    height: 40px; 
    cursor: pointer; 
    color: var(--text-primary); 
    font-size: 18px; 
    margin-left: 12px;
  }

  .section { padding: 80px 24px; }
  .hero { padding: 120px 24px 80px; }
  .hero-sub { font-size: 18px; margin-bottom: 40px; }
  .hero h1 { font-size: clamp(32px, 10vw, 48px); }
  
  .hero-actions { flex-direction: column; gap: 16px; width: 100%; max-width: 320px; }
  .hero-actions .btn-primary, .hero-actions .btn-secondary { width: 100%; text-align: center; }
  
  .hero-stats { gap: 32px; flex-wrap: wrap; }
  .stat { flex: 1 1 120px; }

  .plans-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; gap: 32px; }
  .features-grid { grid-template-columns: 1fr; gap: 20px; }
  .how-grid { grid-template-columns: 1fr; gap: 40px; }
  
  footer { 
    padding: 60px 24px; 
    flex-direction: column; 
    gap: 40px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 32px; }
  .nav-cta { display: none; }
}

@media (min-width: 769px) {
  .mobile-menu-btn { display: none; }
  .nav-tabs { display: flex !important; } /* S'assure que les tabs reviennent au resize */
}