/* ================================================================
   PLATZHELD LANDING PAGE — styles.css
   Design System: Dark Glassmorphism · Inter + Bricolage Grotesque
================================================================ */

/* ────────────────────────────────────────────────────────────────
   1. CUSTOM PROPERTIES
─────────────────────────────────────────────────────────────────*/
:root {
  /* Backgrounds */
  --bg:           #080d18;
  --surface-1:    #0f1629;
  --surface-2:    #141d35;
  --surface-3:    #1a2540;

  /* Glass */
  --glass-bg:     rgba(255, 255, 255, 0.04);
  --glass-bg-2:   rgba(255, 255, 255, 0.07);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.14);

  /* Brand */
  --primary:      #3b82f6;
  --primary-dark: #2563eb;
  --primary-glow: rgba(59, 130, 246, 0.3);
  --cyan:         #06b6d4;
  --cyan-glow:    rgba(6, 182, 212, 0.25);
  --success:      #10b981;

  /* Text */
  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;
  --text-dim:       #475569;

  /* UI */
  --border:         rgba(255, 255, 255, 0.06);
  --border-strong:  rgba(255, 255, 255, 0.12);
  --radius-sm:      8px;
  --radius-md:      12px;
  --radius-lg:      16px;
  --radius-xl:      24px;
  --radius-2xl:     32px;

  /* Spacing */
  --section-gap:  96px;
  --container:    1140px;

  /* Transitions */
  --ease-out:     cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:  cubic-bezier(0.45, 0, 0.55, 1);
}

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

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

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

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ────────────────────────────────────────────────────────────────
   3. UTILITY
─────────────────────────────────────────────────────────────────*/
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-gap) 0;
  position: relative;
}

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

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 14px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ────────────────────────────────────────────────────────────────
   4. BUTTONS
─────────────────────────────────────────────────────────────────*/
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all 220ms var(--ease-out);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  letter-spacing: -0.01em;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background 200ms ease;
  border-radius: inherit;
}

.btn:hover::before { background: rgba(255,255,255,0.07); }
.btn:active::before { background: rgba(255,255,255,0.03); }

/* Primary */
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #1d6ef5 100%);
  color: #fff;
  box-shadow: 0 4px 20px var(--primary-glow), 0 1px 0 rgba(255,255,255,0.1) inset;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 28px var(--primary-glow), 0 1px 0 rgba(255,255,255,0.15) inset;
}

.btn-primary:active { transform: translateY(0); }

/* Ghost */
.btn-ghost {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  border-color: var(--glass-border-hover);
  background: var(--glass-bg-2);
}

/* White */
.btn-white {
  background: #fff;
  color: #0f172a;
  box-shadow: 0 4px 24px rgba(255,255,255,0.15);
}

.btn-white:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 32px rgba(255,255,255,0.22);
}

/* Sizes */
.btn-sm  { font-size: 0.875rem; padding: 8px 16px; border-radius: var(--radius-sm); }
.btn-md  { font-size: 0.9375rem; padding: 10px 22px; }
.btn-lg  { font-size: 1rem; padding: 13px 26px; }
.btn-xl  { font-size: 1.125rem; padding: 16px 36px; border-radius: var(--radius-lg); }

/* Spinner state */
.btn .btn-spinner { display: none; animation: spin 0.7s linear infinite; }
.btn.loading .btn-label,
.btn.loading .btn-arrow { opacity: 0; }
.btn.loading .btn-spinner { display: block; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ────────────────────────────────────────────────────────────────
   5. BADGE
─────────────────────────────────────────────────────────────────*/
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  padding: 5px 12px;
  backdrop-filter: blur(10px);
}

/* ────────────────────────────────────────────────────────────────
   6. NAVBAR
─────────────────────────────────────────────────────────────────*/
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background 300ms ease, box-shadow 300ms ease, padding 300ms ease;
}

.navbar.scrolled {
  padding: 10px 0;
  background: rgba(8, 13, 24, 0.85);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  box-shadow: 0 1px 0 var(--border), 0 4px 40px rgba(0,0,0,0.4);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  flex-shrink: 0;
  transition: opacity 200ms;
}

.nav-logo:hover { opacity: 0.85; }
.logo-icon { flex-shrink: 0; }

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-right: auto;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 450;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color 180ms ease, background 180ms ease;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--glass-bg);
}

/* Nav right */
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background 180ms;
}

.hamburger span {
  display: block;
  height: 1.5px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: transform 250ms var(--ease-out), opacity 200ms, background 180ms;
}

.hamburger:hover { background: var(--glass-bg); }
.hamburger:hover span { background: var(--text-primary); }

.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ────────────────────────────────────────────────────────────────
   7. HERO
─────────────────────────────────────────────────────────────────*/
.hero {
  padding-top: calc(var(--section-gap) + 80px);
  padding-bottom: calc(var(--section-gap) * 0.5);
  overflow: hidden;
}

/* Background orbs */
.hero-bg-orbs { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}

.orb-1 {
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(59,130,246,0.6), transparent 70%);
  top: -160px; left: -120px;
}

.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,0.5), transparent 70%);
  top: 80px; right: -80px;
}

.orb-3 {
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(16,185,129,0.3), transparent 70%);
  bottom: -80px; left: 40%;
  opacity: 0.2;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.hero-eyebrow { margin-bottom: 28px; }

.hero-headline {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.trust-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 450;
}

/* ────────────────────────────────────────────────────────────────
   8. PROBLEM SECTION
─────────────────────────────────────────────────────────────────*/
.problem { background: linear-gradient(180deg, var(--bg) 0%, var(--surface-1) 100%); }

.problem-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

/* ── WhatsApp Mockup ── */
.whatsapp-wrapper {
  display: flex;
  justify-content: center;
}

.whatsapp-phone {
  width: 100%;
  max-width: 360px;
  background: #111b21;
  border-radius: 22px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.06),
    0 24px 64px rgba(0,0,0,0.6),
    0 4px 16px rgba(0,0,0,0.4);
  display: flex;
  flex-direction: column;
}

/* Status bar */
.wa-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px 4px;
  background: #1f2c34;
}

.wa-time { font-size: 11px; font-weight: 600; color: rgba(255,255,255,0.9); }
.wa-icons { display: flex; align-items: center; gap: 6px; }

/* Header */
.wa-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px 10px;
  background: #1f2c34;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.wa-back {
  display: flex; align-items: center;
  padding: 4px; opacity: 0.85;
  cursor: pointer;
  border-radius: 4px;
  transition: opacity 150ms;
}

.wa-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: #2a3942;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.wa-header-info { flex: 1; min-width: 0; }
.wa-group-name {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: #e9edef;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.wa-online {
  display: flex; align-items: center; gap: 5px;
  font-size: 0.75rem; color: #8696a0;
}

.wa-dot {
  width: 7px; height: 7px;
  border-radius: 50%; background: #25d366;
  flex-shrink: 0;
  box-shadow: 0 0 6px rgba(37,211,102,0.7);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px rgba(37,211,102,0.7); }
  50% { opacity: 0.7; box-shadow: 0 0 10px rgba(37,211,102,0.9); }
}

.wa-header-actions { padding: 4px; opacity: 0.7; }

/* Messages area */
.wa-messages {
  flex: 1;
  padding: 12px 10px;
  background: #0b141a;
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(59,130,246,0.03) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.015'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  display: flex;
  flex-direction: column;
  gap: 3px;
  max-height: 440px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.wa-messages::-webkit-scrollbar { width: 3px; }
.wa-messages::-webkit-scrollbar-track { background: transparent; }
.wa-messages::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

/* Message bubbles */
.wa-msg {
  display: flex;
  flex-direction: column;
  max-width: 80%;
  padding: 7px 10px 5px;
  border-radius: 10px;
  font-size: 0.8125rem;
  line-height: 1.45;
  position: relative;
  word-break: break-word;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 350ms ease, transform 350ms var(--ease-out);
}

.wa-msg.visible {
  opacity: 1;
  transform: translateY(0);
}

.wa-msg--incoming {
  background: #202c33;
  color: #e9edef;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  margin-right: auto;
}

.wa-msg--outgoing {
  background: #005c4b;
  color: #e9edef;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
  margin-left: auto;
}

.wa-sender {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.wa-msg p {
  margin: 0;
  padding-right: 40px;
}

.wa-ts {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 3px;
  font-size: 0.6875rem;
  color: #8696a0;
  margin-top: 2px;
  margin-right: -2px;
}

/* Chaos banner */
.wa-chaos-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  padding: 10px 12px;
  margin-top: 8px;
  font-size: 0.775rem;
  font-weight: 500;
  color: #fca5a5;
  align-self: stretch;
  max-width: 100%;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 400ms ease, transform 400ms var(--ease-out);
}

.wa-chaos-banner.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Input bar */
.wa-input-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: #1f2c34;
}

.wa-input-field {
  flex: 1;
  background: #2a3942;
  border-radius: 20px;
  padding: 8px 14px;
  font-size: 0.8125rem;
  color: #8696a0;
}

.wa-send-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: #00a884;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

/* ── Solution Card ── */
.solution-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-self: start;
  position: sticky;
  top: 90px;
}

.solution-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(59,130,246,0.12), rgba(6,182,212,0.12));
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
}

.solution-title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.solution-time {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.solution-seconds {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 2.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.04em;
  line-height: 1;
}

.solution-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.solution-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.solution-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.solution-cta { align-self: flex-start; }

/* ────────────────────────────────────────────────────────────────
   9. FEATURES
─────────────────────────────────────────────────────────────────*/
.features { background: var(--bg); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms var(--ease-out), background 220ms ease;
  cursor: default;
}

.feature-card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow:
    0 0 0 1px rgba(59, 130, 246, 0.08),
    0 8px 40px rgba(59, 130, 246, 0.12),
    0 2px 8px rgba(0, 0, 0, 0.3);
  transform: translateY(-3px);
  background: rgba(59, 130, 246, 0.04);
}

.feature-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(6,182,212,0.1));
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  transition: border-color 220ms ease, background 220ms ease;
}

.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, rgba(59,130,246,0.18), rgba(6,182,212,0.18));
  border-color: rgba(59,130,246,0.25);
}

.feature-title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.feature-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ────────────────────────────────────────────────────────────────
   10. PRICING
─────────────────────────────────────────────────────────────────*/
.pricing {
  background: linear-gradient(180deg, var(--surface-1) 0%, var(--bg) 100%);
}

.pricing-setup {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 20px 28px;
  max-width: 960px;
  margin: 0 auto 32px;
  text-align: center;
}
.pricing-setup-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.pricing-setup-price {
  font-size: 20px;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 700;
}
.pricing-setup-price span {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 400;
  font-family: var(--font-body);
}
.pricing-setup-includes {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 780px;
  margin: 0 auto 32px;
}
.pricing-grid--3 {
  grid-template-columns: 1fr 1fr 1fr;
  max-width: 960px;
}
.pricing-for {
  font-size: 13px;
  color: var(--text-muted);
  margin: -16px 0 0;
}

.pricing-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  gap: 24px;
  transition: border-color 220ms ease, box-shadow 220ms ease;
  position: relative;
}

.pricing-card--featured {
  border-color: rgba(59, 130, 246, 0.4);
  background: rgba(59, 130, 246, 0.05);
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.1), 0 16px 48px rgba(59, 130, 246, 0.15);
}

.pricing-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  padding: 4px 10px;
  width: fit-content;
}

.pricing-badge--featured {
  color: var(--primary);
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.25);
}

.pricing-plan {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

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

.price-from {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-right: 2px;
}

.price-amount {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.05em;
  line-height: 1;
}

.pricing-card--featured .price-amount { color: var(--primary); }

.price-currency {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-secondary);
  align-self: flex-start;
  margin-top: 4px;
}

.price-period {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-left: 2px;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 11px;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.pricing-features li svg { flex-shrink: 0; margin-top: 1px; }

.pricing-cta { align-self: stretch; justify-content: center; margin-top: auto; }

/* Example */
.pricing-example {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: 0.8375rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.pricing-example svg { flex-shrink: 0; }
.pricing-example strong { color: var(--text-secondary); font-weight: 500; }

/* ────────────────────────────────────────────────────────────────
   11. DEMO CTA
─────────────────────────────────────────────────────────────────*/
.demo-cta {
  overflow: hidden;
}

.demo-cta-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(59,130,246,0.18) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 50%, rgba(6,182,212,0.12) 0%, transparent 60%);
}

.demo-cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.demo-cta-title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--text-primary);
  margin: 0;
}

.demo-cta-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin: 0;
}

.demo-cta-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
}

/* ────────────────────────────────────────────────────────────────
   12. CONTACT
─────────────────────────────────────────────────────────────────*/
.contact { background: var(--bg); }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contact-info { padding-top: 8px; }

.contact-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 16px;
  margin-bottom: 36px;
}

.contact-promises {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-promises li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* Form */
.contact-form-wrap {
  position: relative;
}

.contact-form {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
}

.required { color: var(--primary); margin-left: 2px; }
.form-optional { color: var(--text-muted); font-size: 0.8125rem; font-weight: 400; }

.form-input {
  font-family: 'Inter', sans-serif;
  font-size: 0.9375rem;
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 11px 14px;
  width: 100%;
  transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  min-height: 44px;
}

.form-input::placeholder { color: var(--text-muted); }

.form-input:hover {
  border-color: var(--glass-border-hover);
  background: rgba(255,255,255,0.06);
}

.form-input:focus {
  border-color: rgba(59, 130, 246, 0.5);
  background: rgba(59, 130, 246, 0.04);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input.error {
  border-color: rgba(239, 68, 68, 0.5);
  background: rgba(239, 68, 68, 0.03);
}

.form-input.error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
  line-height: 1.55;
}

.form-error {
  font-size: 0.8125rem;
  color: #f87171;
  min-height: 16px;
  display: block;
  transition: opacity 180ms ease;
}

/* Select */
.select-wrap { position: relative; }

.form-select {
  padding-right: 36px;
  cursor: pointer;
}

.form-select option {
  background: var(--surface-2);
  color: var(--text-primary);
}

.select-arrow {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  transition: transform 180ms ease;
}

.select-wrap:focus-within .select-arrow {
  transform: translateY(-50%) rotate(180deg);
}

/* Submit */
.form-submit {
  width: 100%;
  justify-content: center;
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 24px;
  margin-top: 4px;
}

/* Success */
.form-success {
  position: absolute;
  inset: 0;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
  padding: 40px;
  z-index: 10;
  opacity: 0;
  pointer-events: none;
  transition: opacity 400ms ease;
}

.form-success.visible {
  opacity: 1;
  pointer-events: auto;
}

.form-success h3 {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.form-success p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* ────────────────────────────────────────────────────────────────
   13. FOOTER
─────────────────────────────────────────────────────────────────*/
.footer {
  padding: 28px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-brand {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.footer-tagline {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 180ms;
}

.footer-link:hover { color: var(--text-secondary); }

/* ────────────────────────────────────────────────────────────────
   14. ANIMATIONS
─────────────────────────────────────────────────────────────────*/
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.features-grid .feature-card:nth-child(1) { transition-delay: 0ms; }
.features-grid .feature-card:nth-child(2) { transition-delay: 80ms; }
.features-grid .feature-card:nth-child(3) { transition-delay: 160ms; }
.features-grid .feature-card:nth-child(4) { transition-delay: 80ms; }
.features-grid .feature-card:nth-child(5) { transition-delay: 160ms; }
.features-grid .feature-card:nth-child(6) { transition-delay: 240ms; }

.pricing-grid .pricing-card:nth-child(2) { transition-delay: 120ms; }

/* ────────────────────────────────────────────────────────────────
   15. RESPONSIVE — TABLET (≤ 1024px)
─────────────────────────────────────────────────────────────────*/
@media (max-width: 1024px) {
  :root { --section-gap: 72px; }

  .features-grid { grid-template-columns: repeat(2, 1fr); }

  .problem-layout {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .solution-card { position: static; }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ────────────────────────────────────────────────────────────────
   16. RESPONSIVE — MOBILE (≤ 768px)
─────────────────────────────────────────────────────────────────*/
@media (max-width: 768px) {
  :root { --section-gap: 56px; }

  /* Navbar mobile */
  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
    background: rgba(8, 13, 24, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    z-index: 99;
    opacity: 0;
    pointer-events: none;
    transition: opacity 300ms ease;
    margin: 0;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links .nav-link {
    font-size: 1.25rem;
    font-weight: 500;
    padding: 12px 24px;
    color: var(--text-primary);
  }

  .nav-right .btn-primary { display: none; }

  .hamburger {
    display: flex;
    z-index: 101;
    position: relative;
  }

  /* Hero */
  .hero { padding-top: calc(56px + 60px); padding-bottom: 40px; }

  .hero-grid {
    grid-template-columns: 1fr !important;
    gap: 32px !important;
  }

  #app-demo-outer { min-height: 360px !important; }

  .hero-headline { font-size: clamp(2.5rem, 11vw, 3.5rem); }

  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .trust-badges { gap: 14px; }
  .trust-badge { font-size: 0.8125rem; }

  /* Problem */
  .problem-layout { max-width: 100%; gap: 32px; }

  .whatsapp-phone { max-width: 100%; }

  /* Features */
  .features-grid { grid-template-columns: 1fr; gap: 14px; }

  /* Pricing */
  .pricing-grid, .pricing-grid--3 { grid-template-columns: 1fr; max-width: 100%; gap: 16px; }
  .pricing-card { padding: 28px 24px; }
  .pricing-setup { padding: 16px 20px; }

  /* Contact */
  .contact-form { padding: 24px 20px; }
  .form-row { grid-template-columns: 1fr; gap: 16px; }

  /* Footer */
  .footer-inner { flex-direction: column; text-align: center; gap: 12px; }
}

/* ────────────────────────────────────────────────────────────────
   17. RESPONSIVE — SMALL (≤ 480px)
─────────────────────────────────────────────────────────────────*/
@media (max-width: 480px) {
  :root { --section-gap: 48px; }

  .container { padding: 0 16px; }

  .hero-headline { font-size: clamp(2.25rem, 12vw, 3rem); }

  .solution-card { padding: 28px 24px; }
  .solution-seconds { font-size: 1.875rem; }

  .pricing-example {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .demo-cta-title { font-size: clamp(1.875rem, 9vw, 2.75rem); }
}