/* ============================================================
   VISION AI — Redesigned Stylesheet
   Aesthetic: Crisp dark SaaS · Stripe precision · Notion clarity
   Font pairing: Plus Jakarta Sans (UI) + Instrument Serif (display)
   ============================================================ */

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  /* Colors */
  --ink-0:    #ffffff;
  --ink-1:    #f1f5fd;
  --ink-2:    #a8b8d8;
  --ink-3:    #64748b;
  --ink-4:    #3d4f6a;

  --surface-0: #060a12;
  --surface-1: #0b1120;
  --surface-2: #0f1829;
  --surface-3: #141e33;
  --surface-4: #1a2640;

  --accent:    #4f7cff;
  --accent-2:  #7c5cfa;
  --accent-3:  #38bdf8;
  --accent-g:  linear-gradient(135deg, #4f7cff 0%, #7c5cfa 100%);
  --accent-gx: linear-gradient(135deg, #4f7cff 0%, #7c5cfa 60%, #38bdf8 100%);

  --border-subtle: rgba(255,255,255,.06);
  --border-medium: rgba(255,255,255,.10);
  --border-strong: rgba(79,124,255,.25);

  --green: #22c55e;
  --amber: #f59e0b;

  /* Typography */
  --font-ui:      'Plus Jakarta Sans', system-ui, sans-serif;
  --font-display: 'Instrument Serif', Georgia, serif;

  /* Type scale (modular, 1.25 ratio) */
  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.875rem;   /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-md:   1.125rem;   /* 18px */
  --text-lg:   1.25rem;    /* 20px */
  --text-xl:   1.5rem;     /* 24px */
  --text-2xl:  1.875rem;   /* 30px */
  --text-3xl:  2.25rem;    /* 36px */
  --text-4xl:  3rem;       /* 48px */
  --text-5xl:  3.75rem;    /* 60px */
  --text-6xl:  4.5rem;     /* 72px */

  /* Spacing (8px base grid) */
  --sp-1:  4px;  --sp-2:  8px;  --sp-3:  12px; --sp-4:  16px;
  --sp-5:  20px; --sp-6:  24px; --sp-8:  32px; --sp-10: 40px;
  --sp-12: 48px; --sp-16: 64px; --sp-20: 80px; --sp-24: 96px;
  --sp-32: 128px;

  /* Radii */
  --r-sm:  6px;
  --r-md:  10px;
  --r-lg:  16px;
  --r-xl:  24px;
  --r-2xl: 32px;
  --r-full: 999px;

  /* Shadows */
  --shadow-xs:  0 1px 2px rgba(0,0,0,.2);
  --shadow-sm:  0 2px 8px rgba(0,0,0,.3);
  --shadow-md:  0 8px 32px rgba(0,0,0,.4);
  --shadow-lg:  0 20px 60px rgba(0,0,0,.5);
  --shadow-glow: 0 0 40px rgba(79,124,255,.2);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 150ms;
  --dur-base: 250ms;
  --dur-slow: 400ms;

  /* Layout */
  --nav-h: 64px;
  --max-w: 1120px;
  --max-w-prose: 640px;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  background: var(--surface-0);
  color: var(--ink-1);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  line-height: 1.6;
  overflow-x: hidden;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── Layout Utilities ──────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}
.section { padding: var(--sp-24) 0; }

/* ── Typography Utilities ──────────────────────────────────── */
.eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-4);
}
.eyebrow--light { color: rgba(255,255,255,.5); }

.section-title {
  font-family: var(--font-ui);
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink-0);
  margin-bottom: var(--sp-5);
}

/* Serif italic accent in headings */
.serif-italic {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  background: var(--accent-g);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: var(--text-md);
  color: var(--ink-2);
  line-height: 1.7;
  max-width: var(--max-w-prose);
}

.section-header { margin-bottom: var(--sp-16); }
.section-header.center { text-align: center; }
.section-header.center .section-desc { margin: 0 auto; }
.section-header.center .eyebrow { display: block; }

/* ── Scroll Reveal ─────────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}
[data-reveal][data-delay="1"] { transition-delay: 120ms; }
[data-reveal][data-delay="2"] { transition-delay: 240ms; }
[data-reveal].visible {
  opacity: 1;
  transform: none;
}

/* ════════════════════════════════════════════════════════════
   NAVBAR
════════════════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--dur-base) var(--ease-in-out),
              border-color var(--dur-base) var(--ease-in-out);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(6, 10, 18, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: var(--border-subtle);
}

.nav-container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-6);
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink-0);
  flex-shrink: 0;
  transition: opacity var(--dur-fast);
}
.logo:hover { opacity: 0.8; }
.logo strong { font-weight: 800; }
.logo-icon {
  width: 30px;
  height: 30px;
  border-radius: var(--r-sm);
  background: var(--accent-g);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 12px rgba(79,124,255,.4);
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  margin-left: var(--sp-4);
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--ink-2);
  transition: color var(--dur-fast);
  white-space: nowrap;
}
.nav-links a:hover { color: var(--ink-0); }

/* Nav actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-left: auto;
}

.btn-nav-ghost {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--ink-2);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-full);
  transition: color var(--dur-fast);
}
.btn-nav-ghost:hover { color: var(--ink-0); }

.btn-nav-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--ink-0);
  background: var(--accent-g);
  padding: 9px var(--sp-5);
  border-radius: var(--r-full);
  transition: opacity var(--dur-fast), transform var(--dur-fast);
  box-shadow: 0 2px 16px rgba(79,124,255,.35);
  white-space: nowrap;
}
.btn-nav-primary:hover { opacity: 0.9; transform: translateY(-1px); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: var(--sp-2);
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--ink-2);
  border-radius: 2px;
  transition: all var(--dur-base) var(--ease-in-out);
}
.hamburger[aria-expanded="true"] span:first-child {
  transform: translateY(7.5px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:last-child {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ════════════════════════════════════════════════════════════
   HERO
════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + var(--sp-16)) 0 var(--sp-20);
  overflow: hidden;
}

/* Background layers */
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-mesh {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 65% 30%, rgba(79,124,255,.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 20% 70%, rgba(124,92,250,.08) 0%, transparent 55%);
}
.hero-radial {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 100% 80% at 50% 0%, rgba(79,124,255,.05) 0%, transparent 70%);
}
.hero-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 70% at 60% 20%, black 0%, transparent 70%);
}

.hero-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-6);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--sp-16);
}

/* Hero copy */
.hero-copy { max-width: 560px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--ink-1);
  background: rgba(79,124,255,.1);
  border: 1px solid rgba(79,124,255,.2);
  border-radius: var(--r-full);
  padding: 5px 12px 5px 8px;
  margin-bottom: var(--sp-6);
  transition: background var(--dur-fast), border-color var(--dur-fast);
}
.hero-badge:hover {
  background: rgba(79,124,255,.18);
  border-color: rgba(79,124,255,.35);
}
.badge-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(34,197,94,.5);
  animation: pulse-ring 2s ease-out infinite;
}
@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(34,197,94,.5); }
  70%  { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

.hero-headline {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--ink-0);
  margin-bottom: var(--sp-6);
}
.hero-headline em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  background: var(--accent-gx);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-body {
  font-size: var(--text-md);
  color: var(--ink-2);
  line-height: 1.7;
  margin-bottom: var(--sp-8);
  max-width: 480px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-bottom: var(--sp-8);
}

/* Primary CTA */
.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--ink-0);
  background: var(--accent-g);
  padding: 13px var(--sp-6);
  border-radius: var(--r-full);
  box-shadow: 0 4px 24px rgba(79,124,255,.4), 0 1px 2px rgba(0,0,0,.2);
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
  white-space: nowrap;
}
.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(79,124,255,.55), 0 2px 4px rgba(0,0,0,.2);
}
.btn-hero-primary:active { transform: translateY(0); }

/* Secondary CTA */
.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--ink-2);
  padding: 13px var(--sp-5);
  border-radius: var(--r-full);
  border: 1px solid var(--border-medium);
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
}
.btn-hero-secondary:hover {
  color: var(--ink-0);
  border-color: rgba(255,255,255,.18);
  background: rgba(255,255,255,.04);
}
.play-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Trust strip */
.hero-trust {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}
.trust-avatars {
  display: flex;
}
.av {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--surface-0);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 700;
  color: #fff;
  margin-right: -8px;
}
.hero-trust p {
  font-size: var(--text-sm);
  color: var(--ink-2);
}
.hero-trust strong { color: var(--ink-1); font-weight: 600; }

/* ── Hero Mockup ─────────────────────────────────────── */
.hero-visual { position: relative; }

.mockup-shell {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.mockup-chrome {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 10px 14px;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border-subtle);
}
.chrome-dots {
  display: flex;
  gap: 5px;
  flex-shrink: 0;
}
.cdot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.cdot-r { background: #ff5f57; }
.cdot-y { background: #febc2e; }
.cdot-g { background: #28c840; }

.chrome-bar {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-sm);
  padding: 4px 10px;
  font-size: var(--text-xs);
  color: var(--ink-3);
  font-family: monospace;
  max-width: 200px;
  margin: 0 auto;
}

.mockup-content {
  display: flex;
  height: 380px;
}

/* App Sidebar */
.app-sidebar {
  width: 48px;
  background: rgba(0,0,0,.2);
  border-right: 1px solid var(--border-subtle);
  padding: var(--sp-4) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
}
.app-logo-sm {
  width: 28px;
  height: 28px;
  border-radius: var(--r-sm);
  background: var(--accent-g);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-4);
}
.sb-items { display: flex; flex-direction: column; gap: var(--sp-3); }
.sb-item {
  width: 26px;
  height: 26px;
  border-radius: var(--r-sm);
  background: rgba(255,255,255,.05);
}
.sb-item.active {
  background: rgba(79,124,255,.25);
  box-shadow: 0 0 0 1px rgba(79,124,255,.4);
}

/* App Main */
.app-main {
  flex: 1;
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  overflow: hidden;
}

.app-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--ink-1);
}
.status-pill {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--green);
  background: rgba(34,197,94,.1);
  border: 1px solid rgba(34,197,94,.2);
  border-radius: var(--r-full);
  padding: 3px 9px;
}
.status-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse-ring 2s ease-out infinite;
}

.app-stats {
  display: flex;
  gap: var(--sp-3);
}
.stat-item {
  flex: 1;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-3);
}
.stat-val {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--ink-0);
  letter-spacing: -0.01em;
}
.stat-key {
  font-size: 9px;
  color: var(--ink-3);
  margin-top: 1px;
}

/* Chat */
.app-chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  overflow: hidden;
}
.chat-msg { display: flex; flex-direction: column; }
.chat-msg.user-msg { align-items: flex-end; }
.chat-msg.ai-msg { align-items: flex-start; flex-direction: row; gap: var(--sp-2); }

.msg-bubble {
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-lg);
  font-size: var(--text-xs);
  line-height: 1.5;
  max-width: 82%;
}
.user-msg .msg-bubble {
  background: rgba(79,124,255,.2);
  border: 1px solid rgba(79,124,255,.25);
  color: var(--ink-1);
  border-bottom-right-radius: var(--r-sm);
}
.ai-msg .msg-bubble {
  background: var(--surface-3);
  border: 1px solid var(--border-subtle);
  color: var(--ink-1);
  border-bottom-left-radius: var(--r-sm);
}
.msg-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-g);
  font-size: 8px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.msg-time, .msg-meta {
  font-size: 9px;
  color: var(--ink-4);
  margin-top: 3px;
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 0 var(--sp-1);
}
.typing-bubble {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: var(--sp-3) var(--sp-4);
  min-width: 52px;
}
.t-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--ink-3);
  animation: tdot 1.2s ease-in-out infinite;
}
.t-dot:nth-child(2) { animation-delay: .2s; }
.t-dot:nth-child(3) { animation-delay: .4s; }
@keyframes tdot {
  0%, 80%, 100% { transform: translateY(0); opacity: .4; }
  40%           { transform: translateY(-4px); opacity: 1; }
}

/* Floating pills */
.float-pill {
  position: absolute;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  background: var(--surface-3);
  border: 1px solid var(--border-medium);
  border-radius: var(--r-full);
  padding: 7px 14px;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--ink-1);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}
.fp-1 {
  bottom: -14px;
  left: -16px;
  animation: fp-float 4s ease-in-out infinite;
}
.fp-2 {
  top: -14px;
  right: -16px;
  animation: fp-float 5s ease-in-out infinite .8s;
}
@keyframes fp-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-7px); }
}
.fp-pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse-ring 2s ease-out infinite;
}

/* ════════════════════════════════════════════════════════════
   SOCIAL PROOF BAR
════════════════════════════════════════════════════════════ */
.proof-bar {
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--sp-6) 0;
}
.proof-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-6);
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  flex-wrap: wrap;
}
.proof-text {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  white-space: nowrap;
}
.proof-logos {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  flex-wrap: wrap;
}
.proof-logo {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--ink-4);
  letter-spacing: -0.01em;
  transition: color var(--dur-fast);
}
.proof-logo:hover { color: var(--ink-2); }
.proof-sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--surface-4);
}

/* ════════════════════════════════════════════════════════════
   HOW IT WORKS
════════════════════════════════════════════════════════════ */
.hiw { background: var(--surface-1); }

.hiw-track {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: var(--sp-6);
}

.hiw-step {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-xl);
  padding: var(--sp-8) var(--sp-8) var(--sp-8);
  position: relative;
  overflow: hidden;
  transition: border-color var(--dur-base), transform var(--dur-base) var(--ease-out);
}
.hiw-step:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}
.hiw-step::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(79,124,255,.06) 0%, transparent 70%);
  pointer-events: none;
}

.step-num {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1;
  background: var(--accent-g);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.2;
  position: absolute;
  top: var(--sp-5);
  right: var(--sp-5);
}

.step-icon-wrap {
  width: 46px;
  height: 46px;
  border-radius: var(--r-md);
  background: rgba(79,124,255,.1);
  border: 1px solid rgba(79,124,255,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: var(--sp-5);
  transition: background var(--dur-base), box-shadow var(--dur-base);
}
.hiw-step:hover .step-icon-wrap {
  background: rgba(79,124,255,.18);
  box-shadow: 0 0 20px rgba(79,124,255,.2);
}

.hiw-step h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-0);
  margin-bottom: var(--sp-3);
}
.hiw-step p {
  font-size: var(--text-sm);
  color: var(--ink-2);
  line-height: 1.65;
}

.hiw-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--sp-12);
  color: var(--ink-4);
}

/* ════════════════════════════════════════════════════════════
   FEATURES
════════════════════════════════════════════════════════════ */
.features { background: var(--surface-0); }

.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: var(--sp-4);
}

/* Wide card spans first column of row 1 */
.feat-card--wide {
  grid-column: span 1;
}

.feat-card {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  transition: border-color var(--dur-base), transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base);
  position: relative;
  overflow: hidden;
}
.feat-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(79,124,255,.05) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--dur-base);
}
.feat-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,.3), 0 0 30px rgba(79,124,255,.1);
}
.feat-card:hover::after { opacity: 1; }

.feat-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  background: rgba(79,124,255,.1);
  border: 1px solid rgba(79,124,255,.14);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: var(--sp-5);
  transition: background var(--dur-base);
}
.feat-card:hover .feat-icon-box {
  background: rgba(79,124,255,.2);
}

.feat-card h4 {
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-0);
  margin-bottom: var(--sp-3);
}
.feat-card p {
  font-size: var(--text-sm);
  color: var(--ink-2);
  line-height: 1.65;
}
.feat-pill {
  display: inline-flex;
  margin-top: var(--sp-4);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--r-full);
  background: rgba(79,124,255,.1);
  border: 1px solid rgba(79,124,255,.15);
  color: var(--accent);
}
.feat-pill--green {
  background: rgba(34,197,94,.08);
  border-color: rgba(34,197,94,.15);
  color: var(--green);
}

/* ════════════════════════════════════════════════════════════
   BENEFITS
════════════════════════════════════════════════════════════ */
.benefits { background: var(--surface-1); }

.benefits-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--sp-24);
  align-items: center;
}

.benefits-left .section-desc { margin-bottom: var(--sp-8); }

.btn-primary-lg {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--ink-0);
  background: var(--accent-g);
  padding: 13px var(--sp-6);
  border-radius: var(--r-full);
  margin-bottom: var(--sp-8);
  box-shadow: 0 4px 20px rgba(79,124,255,.35);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base);
}
.btn-primary-lg:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(79,124,255,.5);
}

.ben-stat-row {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}
.ben-stat strong {
  display: block;
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--accent-g);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ben-stat span { font-size: var(--text-xs); color: var(--ink-3); }
.ben-stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border-subtle);
}

.benefits-right {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.ben-card {
  display: flex;
  gap: var(--sp-5);
  align-items: flex-start;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: var(--sp-5) var(--sp-6);
  transition: border-color var(--dur-base), background var(--dur-base);
}
.ben-card:hover {
  border-color: var(--border-strong);
  background: var(--surface-3);
}
.ben-icon {
  width: 40px; height: 40px;
  flex-shrink: 0;
  border-radius: var(--r-md);
  background: rgba(79,124,255,.1);
  border: 1px solid rgba(79,124,255,.14);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-top: 1px;
}
.ben-card h4 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--ink-0);
  margin-bottom: var(--sp-1);
  letter-spacing: -0.01em;
}
.ben-card p { font-size: var(--text-sm); color: var(--ink-2); line-height: 1.6; }

/* ════════════════════════════════════════════════════════════
   DEMO
════════════════════════════════════════════════════════════ */
.demo { background: var(--surface-0); }

.demo-stage {
  position: relative;
  border-radius: var(--r-2xl);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  aspect-ratio: 16 / 7;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: border-color var(--dur-base), box-shadow var(--dur-base);
}
.demo-stage:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg), 0 0 80px rgba(79,124,255,.15);
}

.demo-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0a1020 0%, #0e1435 40%, #090f1e 100%);
}

.demo-shimmer {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  padding: var(--sp-20);
  opacity: .35;
}
.shimmer-row {
  height: 10px;
  width: 100%;
  border-radius: var(--r-sm);
  background: linear-gradient(90deg, transparent, rgba(79,124,255,.3), transparent);
  background-size: 200% 100%;
  animation: shimmer-slide 2s ease-in-out infinite;
}
.shimmer-row.short { width: 55%; }
.shimmer-row.medium { width: 72%; }
@keyframes shimmer-slide {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.demo-play-btn {
  position: relative;
  z-index: 2;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1.5px solid rgba(255,255,255,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-0);
  transition: transform var(--dur-base) var(--ease-out), background var(--dur-base);
}
.demo-play-btn:hover {
  background: rgba(255,255,255,.2);
  transform: scale(1.08);
}
.play-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.12);
  animation: ring-pulse 3s ease-in-out infinite;
}
@keyframes ring-pulse {
  0%, 100% { transform: scale(1); opacity: .5; }
  50%       { transform: scale(1.1); opacity: .2; }
}

.demo-caption {
  position: absolute;
  z-index: 2;
  bottom: var(--sp-5);
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--text-xs);
  color: rgba(255,255,255,.4);
  white-space: nowrap;
  background: rgba(0,0,0,.4);
  backdrop-filter: blur(8px);
  padding: 4px 12px;
  border-radius: var(--r-full);
  border: 1px solid rgba(255,255,255,.08);
}

/* ════════════════════════════════════════════════════════════
   PRICING
════════════════════════════════════════════════════════════ */
.pricing { background: var(--surface-1); }

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
  align-items: start;
}

.price-card {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-2xl);
  padding: var(--sp-8);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: border-color var(--dur-base);
}
.price-card:hover { border-color: var(--border-medium); }

.price-card--hero {
  background: var(--surface-3);
  border-color: rgba(79,124,255,.3);
  box-shadow: 0 0 0 1px rgba(79,124,255,.1), var(--shadow-glow);
}
.price-card--hero:hover { border-color: rgba(79,124,255,.5); }

.price-popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #fff;
  background: var(--accent-g);
  border-radius: var(--r-full);
  padding: 4px 14px;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(79,124,255,.4);
}

.price-header { margin-bottom: var(--sp-6); }

.price-tier-name {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-4);
}
.price-amount {
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--ink-0);
  line-height: 1;
  margin-bottom: var(--sp-3);
}
.price-amount--custom {
  font-size: var(--text-3xl);
  background: var(--accent-g);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.price-currency {
  font-size: var(--text-xl);
  font-weight: 500;
  vertical-align: text-top;
  line-height: 1.6;
  color: var(--ink-2);
}
.price-period {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--ink-3);
}
.price-tagline {
  font-size: var(--text-sm);
  color: var(--ink-3);
  line-height: 1.55;
}

.price-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-8);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--border-subtle);
}
.price-list li {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-sm);
  color: var(--ink-2);
}

/* Custom checkbox via CSS */
.check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  border-radius: var(--r-sm);
  background: rgba(79,124,255,.12);
  border: 1px solid rgba(79,124,255,.2);
  flex-shrink: 0;
}
.check::after {
  content: '';
  display: block;
  width: 5px;
  height: 8px;
  border: 1.5px solid var(--accent);
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translate(-1px, -1px);
}

.price-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  width: 100%;
  padding: 12px var(--sp-5);
  border-radius: var(--r-full);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--dur-base) var(--ease-out);
}
.price-btn--outline {
  border: 1.5px solid var(--border-medium);
  color: var(--ink-1);
}
.price-btn--outline:hover {
  border-color: rgba(255,255,255,.22);
  background: rgba(255,255,255,.04);
}
.price-btn--primary {
  background: var(--accent-g);
  color: #fff;
  box-shadow: 0 4px 20px rgba(79,124,255,.4);
}
.price-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(79,124,255,.55);
}
.price-btn--whatsapp {
  background: rgba(37,211,102,.12);
  border: 1.5px solid rgba(37,211,102,.2);
  color: #25d366;
}
.price-btn--whatsapp:hover {
  background: rgba(37,211,102,.2);
  border-color: rgba(37,211,102,.35);
  transform: translateY(-1px);
}

/* ════════════════════════════════════════════════════════════
   TESTIMONIALS
════════════════════════════════════════════════════════════ */
.testimonials { background: var(--surface-0); }

.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}

.testi-card {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-2xl);
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  transition: border-color var(--dur-base), transform var(--dur-base) var(--ease-out);
}
.testi-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.testi-card--accent {
  background: linear-gradient(160deg, var(--surface-3), var(--surface-4));
  border-color: var(--border-strong);
}

.testi-stars {
  font-size: var(--text-sm);
  color: var(--amber);
  letter-spacing: 2px;
}

.testi-card blockquote {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--ink-2);
  flex: 1;
  font-style: normal;
}

.testi-footer {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border-subtle);
}
.testi-av {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.testi-name {
  display: block;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--ink-0);
  font-style: normal;
}
.testi-role { font-size: var(--text-xs); color: var(--ink-3); margin-top: 2px; }

/* ════════════════════════════════════════════════════════════
   FINAL CTA
════════════════════════════════════════════════════════════ */
.final-cta {
  position: relative;
  overflow: hidden;
  background: var(--surface-1);
}
.fcta-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 80% at 50% 50%, rgba(79,124,255,.1) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(124,92,250,.08) 0%, transparent 55%);
  pointer-events: none;
}

.fcta-box {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.fcta-title {
  font-size: clamp(var(--text-2xl), 4.5vw, var(--text-4xl));
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--ink-0);
  margin-bottom: var(--sp-5);
}
.fcta-title em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  background: var(--accent-gx);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.fcta-body {
  font-size: var(--text-md);
  color: var(--ink-2);
  line-height: 1.65;
  margin-bottom: var(--sp-10);
}
.fcta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
  margin-bottom: var(--sp-6);
}
.btn-fcta-ghost {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--ink-2);
  padding: 13px var(--sp-5);
  transition: color var(--dur-fast);
}
.btn-fcta-ghost:hover { color: var(--ink-0); }

.fcta-footnote {
  font-size: var(--text-xs);
  color: var(--ink-4);
}

/* ════════════════════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════════════════════ */
.footer {
  background: var(--surface-1);
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--sp-16);
}

.footer-top {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--sp-16);
  padding-bottom: var(--sp-12);
  border-bottom: 1px solid var(--border-subtle);
}

.footer-brand .logo { margin-bottom: var(--sp-4); }
.footer-brand p {
  font-size: var(--text-sm);
  color: var(--ink-3);
  line-height: 1.65;
  max-width: 200px;
  margin-bottom: var(--sp-5);
}
.footer-social {
  display: flex;
  gap: var(--sp-3);
}
.footer-social a {
  width: 34px; height: 34px;
  border-radius: var(--r-sm);
  background: var(--surface-3);
  border: 1px solid var(--border-subtle);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-3);
  transition: color var(--dur-fast), border-color var(--dur-fast);
}
.footer-social a:hover { color: var(--ink-1); border-color: var(--border-medium); }

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-8);
}
.footer-col h3 {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-1);
  margin-bottom: var(--sp-5);
}
.footer-col a {
  display: block;
  font-size: var(--text-sm);
  color: var(--ink-3);
  margin-bottom: var(--sp-3);
  transition: color var(--dur-fast);
}
.footer-col a:hover { color: var(--ink-1); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding: var(--sp-5) 0;
  font-size: var(--text-xs);
  color: var(--ink-4);
}

/* ════════════════════════════════════════════════════════════
   RESPONSIVE — ≤ 1024px
════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--sp-16);
  }
  .hero-copy { max-width: 100%; }
  .hero-visual { max-width: 560px; margin: 0 auto; }
  .hero-headline { font-size: var(--text-4xl); }

  .hiw-track {
    grid-template-columns: 1fr;
    gap: var(--sp-5);
  }
  .hiw-arrow { display: none; }

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

  .benefits-layout {
    grid-template-columns: 1fr;
    gap: var(--sp-12);
  }

  .price-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }

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

  .footer-top { grid-template-columns: 1fr; gap: var(--sp-8); }
  .footer-nav { grid-template-columns: repeat(3, 1fr); }
}

/* ════════════════════════════════════════════════════════════
   RESPONSIVE — ≤ 640px
════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .section { padding: var(--sp-16) 0; }

  .nav-links, .nav-actions { display: none; }
  .hamburger { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(6,10,18,.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    padding: var(--sp-5) var(--sp-6) var(--sp-8);
    gap: var(--sp-5);
    z-index: 199;
  }
  .nav-links.open + .nav-actions {
    display: flex;
    flex-direction: column;
    padding: 0 var(--sp-6) var(--sp-8);
    gap: var(--sp-3);
  }

  .hero { min-height: auto; padding: calc(var(--nav-h) + var(--sp-12)) 0 var(--sp-16); }
  .hero-visual { display: none; }
  .hero-headline { font-size: var(--text-3xl); }
  .hero-cta-group { flex-direction: column; }
  .btn-hero-primary, .btn-hero-secondary { width: 100%; justify-content: center; }

  .feat-grid { grid-template-columns: 1fr; }

  .testi-grid { grid-template-columns: 1fr; }

  .footer-nav { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; gap: var(--sp-2); text-align: center; }

  .proof-inner { flex-direction: column; align-items: flex-start; gap: var(--sp-4); }
  .proof-logos { gap: var(--sp-4); }

  .section-title { font-size: var(--text-2xl); }
}