/* =========================================================
   IPTVSMRT — Premium Design System
   ========================================================= */

:root {
  /* Colors */
  --bg-0: #070B18;
  --bg-1: #0A0F1E;
  --bg-2: #111827;
  --surface: #131A2E;
  --surface-2: #1A2340;
  --border: rgba(148, 163, 184, 0.12);
  --border-strong: rgba(148, 163, 184, 0.22);

  --text: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;

  --brand: #3B82F6;
  --brand-2: #22D3EE;
  --brand-glow: rgba(59, 130, 246, 0.4);
  --cyan-glow: rgba(34, 211, 238, 0.35);

  --wa-green: #25D366;
  --wa-green-dark: #1DA851;

  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;

  /* Radii */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 24px;
  --r-2xl: 32px;
  --r-full: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,.2);
  --shadow-md: 0 8px 24px rgba(0,0,0,.35);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.45);
  --shadow-glow: 0 20px 80px rgba(59, 130, 246, 0.35);

  /* Type */
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --container: 1200px;
  --nav-h: 72px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg-1);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul, ol { list-style: none; }

/* Layout helpers */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 96px 0; position: relative; }
.section-sm { padding: 64px 0; }
.section-lg { padding: 128px 0; }

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  text-wrap: balance;
  color: var(--text);
}
h1 { font-size: clamp(2.2rem, 5vw + 1rem, 4.5rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.8rem, 3vw + 0.5rem, 2.75rem); letter-spacing: -0.03em; }
h3 { font-size: clamp(1.2rem, 1.4vw + 0.6rem, 1.5rem); }
h4 { font-size: 1.125rem; }
p { text-wrap: pretty; color: var(--text-muted); }
.lead { font-size: clamp(1.05rem, 0.6vw + 0.95rem, 1.25rem); color: var(--text-muted); max-width: 62ch; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.22);
  color: #93C5FD;
  border-radius: var(--r-full);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand-2);
  box-shadow: 0 0 12px var(--brand-2);
}

.gradient-text {
  background: linear-gradient(135deg, #fff 0%, #93C5FD 40%, #22D3EE 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head .lead { margin: 16px auto 0; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: var(--r-full);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.005em;
  transition: transform .2s ease, box-shadow .3s ease, background .2s ease, border-color .2s ease, color .2s ease;
  white-space: nowrap;
  border: 1px solid transparent;
  line-height: 1;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn-primary {
  background: linear-gradient(135deg, #3B82F6 0%, #22D3EE 100%);
  color: #041022;
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.35);
}
.btn-primary:hover { box-shadow: 0 14px 40px rgba(59, 130, 246, 0.5); }

.btn-wa {
  background: var(--wa-green);
  color: #04241A;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}
.btn-wa:hover { background: #22c55e; box-shadow: 0 14px 40px rgba(37, 211, 102, 0.5); }

.btn-ghost {
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-color: var(--border-strong);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(148, 163, 184, 0.4); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-outline:hover { border-color: var(--brand); color: #93C5FD; }

.btn-sm { padding: 10px 18px; font-size: 0.875rem; }
.btn-lg { padding: 17px 30px; font-size: 1rem; }

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(10, 15, 30, 0.72);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
.site-header.scrolled {
  background: rgba(10, 15, 30, 0.88);
  border-bottom-color: var(--border);
}
.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--text);
}
.logo-mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3B82F6, #22D3EE);
  display: grid;
  place-items: center;
  color: #041022;
  font-weight: 800;
  font-size: 0.75rem;
  box-shadow: 0 6px 18px rgba(59, 130, 246, 0.4);
  position: relative;
  overflow: hidden;
}
.logo-mark::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,.35), transparent 55%);
}
.logo-mark svg { width: 20px; height: 20px; position: relative; z-index: 1; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-text .brand { font-weight: 700; letter-spacing: -0.02em; }
.logo-text .tag { font-family: var(--font-body); font-size: 0.65rem; color: var(--text-dim); font-weight: 500; text-transform: uppercase; letter-spacing: 0.15em; margin-top: 3px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: var(--r-md);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.925rem;
  transition: color .15s ease, background .15s ease;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.nav-links a.active { color: var(--text); background: rgba(59, 130, 246, 0.1); }

.nav-cta { display: flex; align-items: center; gap: 12px; }

/* Mobile menu */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border-radius: var(--r-md);
  color: var(--text);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
}
.nav-toggle svg { width: 22px; height: 22px; }

.mobile-menu {
  display: none;
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  background: rgba(7, 11, 24, 0.98);
  backdrop-filter: blur(20px);
  z-index: 99;
  padding: 32px 24px;
  overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 16px 20px;
  border-radius: var(--r-md);
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:hover { background: rgba(255,255,255,0.04); }
.mobile-menu .btn { width: 100%; margin-top: 20px; padding: 16px; font-size: 1rem; }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  padding: 96px 0 120px;
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle at center, rgba(59, 130, 246, 0.25), transparent 55%);
  pointer-events: none;
  z-index: -1;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle at center, rgba(34, 211, 238, 0.18), transparent 60%);
  pointer-events: none;
  z-index: -1;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(148, 163, 184, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 163, 184, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 40%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, black 30%, transparent 75%);
  z-index: -1;
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-copy .eyebrow { margin-bottom: 20px; }
.hero-copy h1 { margin-bottom: 20px; }
.hero-copy .lead { margin-bottom: 32px; font-size: clamp(1.05rem, 0.5vw + 1rem, 1.25rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }

.hero-trust {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.trust-item svg { width: 18px; height: 18px; color: var(--success); flex-shrink: 0; }

/* Hero visual — mock TV */
.hero-visual {
  position: relative;
  aspect-ratio: 4 / 3;
}
.tv-frame {
  position: absolute;
  inset: 0;
  border-radius: var(--r-xl);
  background: linear-gradient(160deg, #1E293B 0%, #0F172A 100%);
  border: 1px solid var(--border-strong);
  box-shadow: 0 40px 80px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.05);
  overflow: hidden;
  padding: 14px;
}
.tv-screen {
  width: 100%; height: 100%;
  border-radius: 14px;
  background:
    radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.4), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(34, 211, 238, 0.3), transparent 45%),
    linear-gradient(160deg, #0F172A, #1E293B);
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 8px;
  padding: 16px;
}
.tv-tile {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(4px);
}
.tv-tile::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.06) 50%, transparent 60%);
}
.tv-tile.featured {
  grid-column: span 2;
  grid-row: span 2;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.35), rgba(34, 211, 238, 0.2));
  border-color: rgba(59, 130, 246, 0.4);
}
.tv-live {
  position: absolute;
  top: 10px; left: 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--r-full);
  background: rgba(239, 68, 68, 0.9);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  z-index: 2;
}
.tv-live::before {
  content: '';
  width: 6px; height: 6px;
  background: white;
  border-radius: 50%;
  animation: pulse-live 1.5s ease-in-out infinite;
}
@keyframes pulse-live {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.tv-quality {
  position: absolute;
  top: 10px; right: 10px;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(0,0,0,0.6);
  color: #22D3EE;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  z-index: 2;
}

/* Floating stat cards */
.floating-card {
  position: absolute;
  background: rgba(19, 26, 46, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 14px;
  animation: float 6s ease-in-out infinite;
}
.floating-card .fc-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3B82F6, #22D3EE);
  display: grid;
  place-items: center;
  color: #041022;
  flex-shrink: 0;
}
.floating-card .fc-icon svg { width: 20px; height: 20px; }
.floating-card .fc-title { font-size: 0.75rem; color: var(--text-dim); font-weight: 500; margin-bottom: 2px; }
.floating-card .fc-value { font-size: 1.05rem; font-weight: 700; color: var(--text); font-family: var(--font-display); }

.fc-1 { top: 8%; right: -8%; animation-delay: 0s; }
.fc-2 { bottom: 12%; left: -12%; animation-delay: 2s; }

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

/* =========================================================
   FEATURES GRID
   ========================================================= */
.features {
  padding: 96px 0;
  position: relative;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.feature-card {
  background: linear-gradient(160deg, var(--surface) 0%, rgba(19, 26, 46, 0.6) 100%);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.4), transparent);
  opacity: 0;
  transition: opacity .3s;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 20px 40px rgba(0,0,0,.3);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.22);
  display: grid;
  place-items: center;
  color: #93C5FD;
  margin-bottom: 20px;
}
.feature-icon svg { width: 22px; height: 22px; }
.feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feature-card p { font-size: 0.9rem; margin: 0; }

/* Compact feature chips row */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 40px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--r-full);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
}
.chip svg { width: 16px; height: 16px; color: var(--brand-2); }

/* =========================================================
   DEVICES
   ========================================================= */
.devices {
  padding: 80px 0;
  background: linear-gradient(180deg, transparent, rgba(19, 26, 46, 0.4), transparent);
}
.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}
.device-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px 16px;
  text-align: center;
  transition: transform .2s ease, border-color .2s ease;
}
.device-card:hover { transform: translateY(-3px); border-color: rgba(59, 130, 246, 0.3); }
.device-icon {
  width: 56px; height: 56px;
  margin: 0 auto 14px;
  border-radius: 14px;
  background: rgba(59, 130, 246, 0.08);
  display: grid;
  place-items: center;
  color: #93C5FD;
}
.device-icon svg { width: 28px; height: 28px; }
.device-card h4 { font-size: 0.95rem; margin-bottom: 4px; }
.device-card p { font-size: 0.75rem; color: var(--text-dim); margin: 0; }

/* =========================================================
   PRICING
   ========================================================= */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  align-items: stretch;
}
.plan {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform .25s ease, border-color .25s ease, box-shadow .3s ease;
}
.plan:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.plan.featured {
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.08), var(--surface));
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.2);
}
.plan.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 14px;
  border-radius: var(--r-full);
  background: linear-gradient(135deg, #3B82F6, #22D3EE);
  color: #041022;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.plan-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 6px;
}
.plan-price .amount {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1;
}
.plan-price .currency {
  font-size: 1.25rem;
  color: var(--text-muted);
  font-weight: 500;
}
.plan-price .period {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-left: 4px;
}
.plan-tag {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 24px;
}
.plan-tag.savings {
  color: #10B981;
  font-weight: 600;
}
.plan-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex-grow: 1;
}
.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.plan-features li svg {
  width: 18px; height: 18px;
  color: var(--success);
  flex-shrink: 0;
  margin-top: 1px;
}
.plan .btn { width: 100%; }

/* =========================================================
   CTA STRIP
   ========================================================= */
.cta-strip {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.12) 0%, rgba(34, 211, 238, 0.08) 100%);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--r-2xl);
  padding: 56px 48px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.cta-strip::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.2), transparent 60%);
  pointer-events: none;
}
.cta-strip h2 { margin-bottom: 8px; }
.cta-strip p { max-width: 52ch; }
.cta-strip .btn { position: relative; z-index: 1; }

/* =========================================================
   TESTIMONIALS
   ========================================================= */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.testimonial {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.stars { display: flex; gap: 2px; color: #FBBF24; }
.stars svg { width: 16px; height: 16px; }
.testimonial blockquote {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.6;
  flex-grow: 1;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3B82F6, #22D3EE);
  display: grid;
  place-items: center;
  color: #041022;
  font-weight: 700;
  font-size: 0.85rem;
}
.author-name { font-weight: 600; font-size: 0.9rem; }
.author-loc { font-size: 0.78rem; color: var(--text-dim); }

/* =========================================================
   FAQ
   ========================================================= */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color .2s ease;
}
.faq-item[open] { border-color: rgba(59, 130, 246, 0.3); }
.faq-item summary {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-weight: 500;
  font-size: 1rem;
  color: var(--text);
  list-style: none;
  transition: background .15s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: rgba(255,255,255,0.02); }
.faq-icon {
  width: 24px; height: 24px;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform .2s ease;
}
.faq-item[open] .faq-icon { transform: rotate(45deg); color: var(--brand); }
.faq-body {
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 0.925rem;
  line-height: 1.7;
}
.faq-body p + p { margin-top: 12px; }

/* =========================================================
   BLOG
   ========================================================= */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform .25s ease, border-color .2s ease;
  display: flex;
  flex-direction: column;
}
.blog-card:hover { transform: translateY(-4px); border-color: rgba(59, 130, 246, 0.3); }
.blog-thumb {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #1E293B, #0F172A);
  position: relative;
  overflow: hidden;
}
.blog-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(59, 130, 246, 0.35), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(34, 211, 238, 0.25), transparent 55%);
}
.blog-thumb .thumb-label {
  position: absolute;
  bottom: 16px; left: 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: white;
  z-index: 1;
  letter-spacing: -0.02em;
}
.blog-body { padding: 24px; display: flex; flex-direction: column; gap: 12px; flex-grow: 1; }
.blog-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.blog-meta .dot { width: 3px; height: 3px; background: currentColor; border-radius: 50%; }
.blog-card h3 { font-size: 1.15rem; }
.blog-card p { font-size: 0.9rem; margin: 0; flex-grow: 1; }
.blog-link {
  color: #93C5FD;
  font-weight: 600;
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
}
.blog-link:hover { color: var(--brand-2); }

/* =========================================================
   GUIDE / DEVICE SETUP
   ========================================================= */
.guide-steps {
  display: grid;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}
.guide-step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: start;
}
.step-num {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, #3B82F6, #22D3EE);
  display: grid;
  place-items: center;
  color: #041022;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
}
.step-body h3 { margin-bottom: 8px; }
.step-body p { margin-bottom: 8px; }

.device-tabs {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  max-width: 1100px;
  margin: 0 auto;
}
.device-tab-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  position: sticky;
  top: calc(var(--nav-h) + 20px);
  align-self: start;
}
.device-tab {
  width: 100%;
  text-align: left;
  padding: 12px 16px;
  border-radius: var(--r-md);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: background .15s, color .15s;
}
.device-tab svg { width: 18px; height: 18px; }
.device-tab:hover { background: rgba(255,255,255,0.03); color: var(--text); }
.device-tab.active { background: rgba(59, 130, 246, 0.12); color: #93C5FD; }

.device-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 40px;
  display: none;
}
.device-panel.active { display: block; }
.device-panel h3 { margin-bottom: 8px; }
.device-panel .lead { margin-bottom: 24px; }
.device-panel ol {
  padding-left: 0;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.device-panel ol li {
  counter-increment: step;
  padding: 16px 20px 16px 60px;
  background: rgba(255,255,255,0.02);
  border-radius: var(--r-md);
  color: var(--text-muted);
  position: relative;
  border: 1px solid var(--border);
  font-size: 0.925rem;
  line-height: 1.6;
}
.device-panel ol li::before {
  content: counter(step);
  position: absolute;
  left: 16px; top: 16px;
  width: 28px; height: 28px;
  background: rgba(59, 130, 246, 0.15);
  color: #93C5FD;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.8rem;
  font-family: var(--font-display);
}
.device-panel strong { color: var(--text); font-weight: 600; }

/* =========================================================
   ARTICLE (long-form)
   ========================================================= */
.article {
  max-width: 780px;
  margin: 0 auto;
}
.article h2 { margin: 48px 0 16px; font-size: 1.75rem; }
.article h3 { margin: 32px 0 12px; font-size: 1.25rem; }
.article p { color: var(--text-muted); margin-bottom: 16px; font-size: 1rem; line-height: 1.75; }
.article ul { padding-left: 24px; margin-bottom: 24px; }
.article ul li {
  list-style: disc;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.7;
}
.article ul li::marker { color: var(--brand); }

.callout {
  background: rgba(59, 130, 246, 0.08);
  border-left: 3px solid var(--brand);
  padding: 20px 24px;
  border-radius: var(--r-md);
  margin: 24px 0;
}
.callout p { margin: 0; color: var(--text); }

/* =========================================================
   PAGE HERO (interior pages)
   ========================================================= */
.page-hero {
  padding: 80px 0 56px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  text-align: center;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -30%; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15), transparent 60%);
  z-index: -1;
}
.page-hero h1 { margin-bottom: 16px; }
.page-hero .lead { margin: 0 auto; }
.page-hero .eyebrow { margin-bottom: 20px; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  background: var(--bg-0);
  border-top: 1px solid var(--border);
  padding: 72px 0 32px;
  margin-top: 96px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-brand p { margin: 20px 0; font-size: 0.9rem; max-width: 32ch; }
.footer-col h5 {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color .15s;
}
.footer-col a:hover { color: var(--text); }
.footer-contact a {
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-contact svg { width: 16px; height: 16px; color: var(--wa-green); }
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* =========================================================
   FLOATING WHATSAPP BUTTON
   ========================================================= */
.wa-float {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 90;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--wa-green);
  color: white;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 40px rgba(37, 211, 102, 0.5);
  transition: transform .2s ease;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; }
.wa-float::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.6);
  animation: pulse-ring 2s ease-out infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* =========================================================
   REVEAL ANIMATION
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-cta .btn-wa { padding: 10px 16px; font-size: 0.85rem; }
  .nav-cta .btn-wa span.wa-label { display: none; }

  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 500px; margin: 0 auto; width: 100%; }
  .fc-1 { right: 0; }
  .fc-2 { left: 0; }

  .cta-strip { grid-template-columns: 1fr; padding: 40px 32px; text-align: left; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-brand { grid-column: span 2; }

  .device-tabs { grid-template-columns: 1fr; }
  .device-tab-list {
    flex-direction: row;
    overflow-x: auto;
    position: static;
    scrollbar-width: none;
  }
  .device-tab-list::-webkit-scrollbar { display: none; }
  .device-tab { white-space: nowrap; }
  .device-panel { padding: 28px 24px; }

  .section { padding: 64px 0; }
  .hero { padding: 56px 0 80px; }
}

@media (max-width: 600px) {
  .container { padding: 0 20px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .cta-strip { padding: 32px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
  .plan { padding: 28px 24px; }
  .plan-price .amount { font-size: 2.5rem; }
  .guide-step { grid-template-columns: 1fr; }
  .wa-float { width: 54px; height: 54px; bottom: 16px; right: 16px; }
  .wa-float svg { width: 26px; height: 26px; }
}

/* Print */
@media print {
  .site-header, .wa-float, .site-footer { display: none; }
}