/* =============================================
   IRON TV PRO — Design System
   Palette: deep space + violet→blue→green gradient
   Type: Space Grotesk (display) + Inter (body)
   ============================================= */

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

/* === TOKENS === */
:root {
  --iron-bg:       #08080E;
  --iron-surface:  #0F0F1A;
  --iron-card:     #13131F;
  --iron-border:   rgba(255,255,255,0.07);
  --iron-text:     #F1F5F9;
  --iron-muted:    #7A8499;
  --iron-purple:   #7C3AED;
  --iron-blue:     #2563EB;
  --iron-green:    #10B981;
  --iron-gold:     #F59E0B;
  --grad: linear-gradient(135deg, #7C3AED, #2563EB, #10B981);
  --grad-text: linear-gradient(90deg, #A78BFA, #60A5FA, #34D399);
  --radius:    18px;
  --radius-sm: 12px;
  --transition: 0.22s ease;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--iron-bg); color: var(--iron-text); font-family: var(--font-body); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* === TYPOGRAPHY === */
h1,h2,h3,h4 { font-family: var(--font-display); line-height: 1.15; font-weight: 800; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.1rem; font-weight: 700; }

/* === LAYOUT === */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 96px 0; }

/* === GRAD UTILITIES === */
.grad-text {
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* === TOPBAR === */
.topbar {
  background: linear-gradient(90deg, #4C1D95, #1D4ED8, #065F46);
  text-align: center; padding: 9px 16px; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.01em;
}
.topbar strong { color: #FDE68A; }

/* === NAV === */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(8,8,14,0.85); backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--iron-border);
}
.nav-inner { display: flex; align-items: center; gap: 32px; height: 68px; }
.logo { display: flex; align-items: center; margin-right: auto; }
.brand-logo { height: 48px; width: auto; }
.nav-links { display: flex; gap: 4px; }
.nav-links a {
  font-size: 0.9rem; font-weight: 500; padding: 7px 14px; border-radius: 8px;
  transition: background var(--transition), color var(--transition);
}
.nav-links a:hover { background: rgba(255,255,255,0.06); color: #fff; }

/* === BUTTONS === */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-size: 0.95rem; font-weight: 700;
  padding: 13px 26px; border-radius: var(--radius-sm); border: none; cursor: pointer;
  transition: filter var(--transition), transform var(--transition); text-decoration: none;
}
.btn-primary {
  background: var(--grad); color: #fff;
  box-shadow: 0 0 28px rgba(124,58,237,0.35);
}
.btn-primary:hover { filter: brightness(1.12); transform: translateY(-2px); }
.btn-outline {
  background: transparent; color: var(--iron-text);
  border: 1.5px solid rgba(255,255,255,0.2);
}
.btn-outline:hover { border-color: rgba(124,58,237,0.6); background: rgba(124,58,237,0.08); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-wa {
  background: var(--grad); color: #fff;
  font-size: 0.88rem; padding: 10px 20px; border-radius: 10px;
}

/* === BURGER === */
.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.burger span { display: block; width: 22px; height: 2px; background: var(--iron-text); border-radius: 2px; transition: var(--transition); }
@media (max-width: 768px) {
  .burger { display: flex; }
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; padding: 16px; background: var(--iron-surface); border-bottom: 1px solid var(--iron-border); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; }
}

/* === HERO === */
.hero { padding: 100px 0 80px; overflow: hidden; position: relative; }
.hero::before {
  content: ""; position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 600px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(124,58,237,0.12) 0%, rgba(37,99,235,0.08) 40%, transparent 70%);
  pointer-events: none;
}
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero-content { display: flex; flex-direction: column; gap: 24px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; font-size: 0.78rem;
  font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--iron-muted);
}
.eyebrow::before {
  content: ""; width: 28px; height: 2px;
  background: var(--grad); border-radius: 2px; flex-shrink: 0;
}
.hero h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); }
.hero h1 em { font-style: normal; }
.hero-sub { color: var(--iron-muted); font-size: 1.05rem; line-height: 1.75; max-width: 480px; }
.hero-sub strong { color: var(--iron-text); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-price {
  display: flex; align-items: baseline; gap: 8px; margin-top: 4px;
  font-family: var(--font-display);
}
.hero-price .p-label { font-size: 0.82rem; color: var(--iron-muted); }
.hero-price .p-amount { font-size: 2rem; font-weight: 800; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-price .p-period { font-size: 0.85rem; color: var(--iron-muted); }
.hero-badges { display: flex; gap: 10px; flex-wrap: wrap; }
.badge {
  font-size: 0.78rem; font-weight: 600; padding: 6px 14px; border-radius: 50px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--iron-border);
}
/* TV mock */
.hero-visual { display: flex; justify-content: center; align-items: center; position: relative; }
.tv-mock {
  position: relative; width: 100%; max-width: 460px;
  background: #0D0D18; border-radius: 18px;
  border: 1.5px solid rgba(124,58,237,0.3);
  box-shadow: 0 0 80px rgba(124,58,237,0.2), 0 0 160px rgba(37,99,235,0.1);
  overflow: hidden; padding-bottom: 58%;
}
.tv-mock-inner {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
}
.tv-icons { font-size: 1.6rem; letter-spacing: 6px; opacity: 0.7; }
.tv-badge {
  font-size: 0.68rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 6px; background: var(--grad); color: #fff;
}
.tv-stand { width: 60px; height: 14px; background: #1a1a2e; margin: 0 auto; border-radius: 0 0 8px 8px; }

/* === TICKER === */
.ticker-wrap { overflow: hidden; padding: 14px 0; border-top: 1px solid var(--iron-border); border-bottom: 1px solid var(--iron-border); background: var(--iron-surface); }
.ticker { display: flex; gap: 0; white-space: nowrap; animation: ticker 28s linear infinite; }
.ticker-item { padding: 0 40px; font-size: 0.82rem; font-weight: 600; color: var(--iron-muted); }
.ticker-item span { color: var(--iron-green); margin-right: 8px; }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* === SECTION HEADER === */
.section-header { margin-bottom: 56px; }
.section-header h2 { margin-bottom: 12px; }
.section-header p { color: var(--iron-muted); font-size: 1rem; max-width: 560px; }

/* === FEATURE CARDS === */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card {
  background: var(--iron-card);
  border: 1px solid var(--iron-border);
  border-radius: var(--radius); padding: 28px 24px;
  position: relative; overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.feature-card::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad); opacity: 0; transition: opacity var(--transition);
}
.feature-card:hover { border-color: rgba(124,58,237,0.3); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(124,58,237,0.12); }
.feature-card:hover::after { opacity: 1; }
.feature-num {
  font-family: var(--font-display); font-size: 2.8rem; font-weight: 800; line-height: 1;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 16px; opacity: 0.5;
}
.feature-card h3 { font-size: 1rem; margin-bottom: 8px; }
.feature-card p { color: var(--iron-muted); font-size: 0.91rem; line-height: 1.65; }

/* === PRICING === */
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.pricing-card {
  background: linear-gradient(180deg, rgba(124,58,237,0.08), transparent 50%), var(--iron-card);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: var(--radius); padding: 40px; position: relative;
  box-shadow: 0 0 80px rgba(124,58,237,0.1);
}
.pricing-badge {
  display: inline-block; font-size: 0.72rem; font-weight: 800;
  letter-spacing: 0.08em; text-transform: uppercase; padding: 5px 14px;
  border-radius: 50px; background: var(--grad); color: #fff; margin-bottom: 20px;
}
.pricing-card h3 { font-size: 1.25rem; margin-bottom: 4px; }
.pricing-period { font-size: 0.85rem; color: var(--iron-muted); margin-bottom: 24px; }
.pricing-amount { display: flex; align-items: baseline; gap: 6px; margin-bottom: 8px; }
.p-from { font-size: 0.85rem; color: var(--iron-muted); }
.p-new { font-family: var(--font-display); font-size: 3.5rem; font-weight: 800; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; }
.p-new sup { font-size: 0.45em; }
.pricing-once { font-size: 0.85rem; color: var(--iron-muted); margin-bottom: 28px; }
.pricing-list { list-style: none; margin-bottom: 32px; display: flex; flex-direction: column; gap: 12px; }
.pricing-list li { font-size: 0.93rem; display: flex; align-items: center; gap: 10px; }
.pricing-list li::before { content: "✓"; color: var(--iron-green); font-weight: 800; flex-shrink: 0; }
.pricing-info { display: flex; flex-direction: column; gap: 20px; }
.pricing-info h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.pricing-info p { color: var(--iron-muted); font-size: 0.95rem; line-height: 1.75; }

/* === STEPS === */
.steps-section { background: var(--iron-surface); }
.steps-row { display: flex; align-items: flex-start; gap: 0; }
.step { flex: 1; text-align: center; padding: 36px 24px; }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; border-radius: 50%; margin: 0 auto 16px;
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 800;
  background: var(--grad); color: #fff;
}
.step h3 { font-size: 1rem; margin-bottom: 8px; }
.step p { color: var(--iron-muted); font-size: 0.9rem; line-height: 1.6; }
.step-arrow { display: flex; align-items: center; justify-content: center; padding-top: 36px; color: var(--iron-muted); font-size: 1.2rem; flex-shrink: 0; }

/* === COMPARE === */
.compare-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.compare-table th { font-family: var(--font-display); font-weight: 700; padding: 14px 18px; text-align: left; background: var(--iron-surface); border-bottom: 1px solid var(--iron-border); }
.compare-table th.highlight { background: linear-gradient(180deg, rgba(124,58,237,0.15), rgba(124,58,237,0.05)); color: var(--iron-text); }
.compare-table td { padding: 13px 18px; border-bottom: 1px solid var(--iron-border); color: var(--iron-muted); vertical-align: middle; }
.compare-table td.highlight { color: var(--iron-text); background: rgba(124,58,237,0.04); font-weight: 600; }
.compare-table tr:last-child td { border-bottom: none; }
.check { color: var(--iron-green); font-size: 1.05rem; }
.cross { color: #EF4444; }

/* === FAQ === */
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item {
  background: var(--iron-card); border: 1px solid var(--iron-border);
  border-radius: var(--radius-sm); padding: 0 20px;
  transition: border-color var(--transition);
}
.faq-item[open] { border-color: rgba(124,58,237,0.4); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 18px 0;
  font-weight: 600; font-size: 0.97rem;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  transition: color var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; flex-shrink: 0; width: 26px; height: 26px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 8px; background: rgba(124,58,237,0.12);
  color: var(--iron-purple); font-size: 1.1rem; transition: transform var(--transition);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { color: #A78BFA; }
.faq-item p { padding-bottom: 18px; color: var(--iron-muted); font-size: 0.93rem; line-height: 1.7; }
.faq-item a { color: #A78BFA; text-decoration: underline; }

/* === ALERT BOX === */
.alert-box {
  background: linear-gradient(135deg, rgba(124,58,237,0.1), rgba(37,99,235,0.07));
  border: 1px solid rgba(124,58,237,0.25); border-radius: var(--radius);
  padding: 28px 32px; margin: 40px 0;
}
.alert-box h3 { font-size: 1.05rem; margin-bottom: 8px; }
.alert-box p { color: var(--iron-muted); font-size: 0.93rem; line-height: 1.7; }

/* === REVIEWS === */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review-card {
  background: var(--iron-card); border: 1px solid var(--iron-border);
  border-radius: var(--radius); padding: 28px 24px;
  transition: border-color var(--transition);
}
.review-card:hover { border-color: rgba(124,58,237,0.25); }
.review-stars { color: var(--iron-gold); margin-bottom: 12px; font-size: 0.95rem; }
.review-text { color: var(--iron-muted); font-size: 0.9rem; line-height: 1.65; margin-bottom: 16px; }
.review-author { font-weight: 700; font-size: 0.88rem; }
.review-date { font-size: 0.78rem; color: var(--iron-muted); }

/* === INSTALL CARDS === */
.install-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.install-card {
  background: var(--iron-card); border: 1px solid var(--iron-border);
  border-radius: var(--radius); padding: 28px 22px; text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}
.install-card:hover { border-color: rgba(124,58,237,0.3); transform: translateY(-2px); }
.install-card .device-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; font-size: 1.6rem; margin-bottom: 14px;
  border-radius: 14px; background: rgba(124,58,237,0.12); border: 1px solid rgba(124,58,237,0.2);
}
.install-card h3 { font-size: 0.98rem; margin-bottom: 8px; }
.install-card p { color: var(--iron-muted); font-size: 0.88rem; line-height: 1.6; }

/* === PAGE HERO (interieur) === */
.page-hero { padding: 64px 0 48px; border-bottom: 1px solid var(--iron-border); }
.page-hero h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin-bottom: 12px; }
.page-hero p { color: var(--iron-muted); font-size: 1rem; max-width: 600px; line-height: 1.75; }
.breadcrumb { font-size: 0.8rem; color: var(--iron-muted); margin-bottom: 16px; }
.breadcrumb a { color: var(--iron-muted); }
.breadcrumb a:hover { color: #A78BFA; }
.page-content { padding: 64px 0 96px; }

/* === CTA FINAL === */
.cta-final { background: linear-gradient(135deg, rgba(124,58,237,0.08), rgba(37,99,235,0.06), rgba(16,185,129,0.04)); border-top: 1px solid var(--iron-border); }
.cta-final-inner { text-align: center; max-width: 640px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 20px; }
.cta-final h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
.cta-final p { color: var(--iron-muted); font-size: 1rem; line-height: 1.75; }

/* === FOOTER === */
.footer { background: var(--iron-surface); border-top: 1px solid var(--iron-border); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
.footer-brand .brand-logo { height: 44px; margin-bottom: 16px; }
.footer-brand p { color: var(--iron-muted); font-size: 0.88rem; line-height: 1.7; max-width: 300px; }
.footer-col h4 { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; color: var(--iron-muted); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.88rem; color: var(--iron-muted); transition: color var(--transition); }
.footer-col a:hover { color: #A78BFA; }
.footer-bottom { border-top: 1px solid var(--iron-border); padding: 20px 0; margin-top: 48px; }
.footer-bottom p { font-size: 0.8rem; color: var(--iron-muted); }
.footer-bottom a { color: var(--iron-muted); }
.footer-bottom a:hover { color: #A78BFA; }

/* === DIAG / PROBLEM CARDS === */
.problem-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.problem-card { background: var(--iron-card); border: 1px solid var(--iron-border); border-radius: var(--radius); padding: 24px; }
.problem-icon { font-size: 1.6rem; margin-bottom: 10px; }
.problem-card h3 { font-size: 0.98rem; margin-bottom: 8px; }
.problem-card p, .problem-card li { color: var(--iron-muted); font-size: 0.9rem; line-height: 1.65; }
.diag-steps { display: flex; flex-direction: column; gap: 16px; margin-top: 24px; }
.diag-step { background: var(--iron-card); border: 1px solid var(--iron-border); border-radius: var(--radius-sm); padding: 20px; display: flex; gap: 16px; align-items: flex-start; }
.diag-num { width: 32px; height: 32px; border-radius: 50%; background: var(--grad); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 0.85rem; flex-shrink: 0; }
.diag-step h4 { font-size: 0.95rem; margin-bottom: 4px; }
.diag-step p { color: var(--iron-muted); font-size: 0.88rem; }
.eval-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.eval-card { background: var(--iron-card); border: 1px solid var(--iron-border); border-radius: var(--radius); padding: 24px; }
.eval-card h3 { font-size: 0.98rem; margin-bottom: 8px; }
.eval-card p { color: var(--iron-muted); font-size: 0.9rem; line-height: 1.65; }
.eval-score { font-family: var(--font-display); font-size: 2.4rem; font-weight: 800; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* === RESPONSIVE === */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .pricing-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .install-cards { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .features-grid, .install-cards, .problem-grid, .eval-grid { grid-template-columns: 1fr; }
  .steps-row { flex-direction: column; align-items: stretch; }
  .step-arrow { transform: rotate(90deg); padding: 0; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .section { padding: 64px 0; }
  .hero { padding: 64px 0 48px; }
  .pricing-card { padding: 28px 24px; }
}