/* ===== DESIGN TOKENS ===== */
:root {
  --crimson: #841617;
  --crimson-light: #a82428;
  --crimson-dark: #5e1011;
  --gold: #FFC72C;
  --gold-light: #FFD75E;
  --bg-primary: #06060b;
  --bg-secondary: #0d0d14;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(132, 22, 23, 0.4);
  --text-primary: #f0f0f5;
  --text-secondary: #9595a8;
  --text-muted: #5e5e72;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.06);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --shadow-glow: 0 0 60px rgba(132, 22, 23, 0.15);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ===== UTILITIES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 120px 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

.gradient-text {
  background: linear-gradient(135deg, var(--crimson-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== BACKGROUND EFFECTS ===== */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}

.bg-glow--crimson {
  background: var(--crimson);
  top: -200px;
  right: -200px;
}

.bg-glow--gold {
  background: var(--gold);
  bottom: 30%;
  left: -300px;
  opacity: 0.06;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(6, 6, 11, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 12px 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--crimson), var(--crimson-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--crimson-light);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--crimson), var(--crimson-light));
  border: none;
  border-radius: var(--radius-xl);
  color: white;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(132, 22, 23, 0.4);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  z-index: 1;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4ade80;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: clamp(2.8rem, 5.5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: linear-gradient(135deg, var(--crimson), var(--crimson-light));
  border: none;
  border-radius: var(--radius-xl);
  color: white;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(132, 22, 23, 0.45);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--gold);
}

.hero-stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

/* Phone mockup */
.hero-phone {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.phone-frame {
  width: 300px;
  height: 580px;
  max-height: 580px;
  background: #111118;
  border-radius: 40px;
  padding: 12px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-glow), 0 20px 80px rgba(0,0,0,0.5);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: float 6s ease-in-out infinite;
}

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

.phone-notch {
  width: 120px;
  height: 28px;
  background: #06060b;
  border-radius: 0 0 20px 20px;
  margin: 0 auto 8px;
}

.phone-screen {
  background: #0a0a14;
  border-radius: 28px;
  padding: 20px 16px;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.phone-header {
  text-align: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 16px;
}

.phone-header-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}

.phone-header-number {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.chat-messages {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  scroll-behavior: smooth;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.chat-messages::-webkit-scrollbar {
  display: none;
}

.chat-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 0.78rem;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(10px);
  animation: msg-appear 0.4s forwards;
}

.chat-msg--in {
  background: #1c1c28;
  color: var(--text-primary);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.chat-msg--out {
  background: var(--crimson);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.chat-msg--match {
  background: linear-gradient(135deg, rgba(132, 22, 23, 0.3), rgba(255, 199, 44, 0.15));
  border: 1px solid rgba(255, 199, 44, 0.3);
  color: var(--gold-light);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  font-weight: 600;
}

@keyframes msg-appear {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chat-typing {
  display: flex;
  gap: 4px;
  padding: 10px 16px;
  background: #1c1c28;
  border-radius: 16px;
  border-bottom-left-radius: 4px;
  align-self: flex-start;
  max-width: 60px;
}

.chat-typing span {
  width: 6px;
  height: 6px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: typing-bounce 1.4s infinite;
}

.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  background: var(--bg-secondary);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 60px;
}

.step-card {
  position: relative;
  padding: 32px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(30px);
}

.step-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.step-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--crimson), var(--crimson-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: white;
  margin-bottom: 20px;
}

.step-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.step-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Connector line between steps */
.step-card:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 50px;
  right: -12px;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--crimson), transparent);
  z-index: 2;
}

/* ===== ARCHITECTURE ===== */
.arch-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.arch-card {
  padding: 36px 28px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
}

.arch-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.arch-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--crimson), var(--gold));
  opacity: 0;
  transition: var(--transition);
}

.arch-card:hover::before {
  opacity: 1;
}

.arch-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.arch-emoji {
  font-size: 2.2rem;
  margin-bottom: 18px;
}

.arch-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--crimson-light);
  margin-bottom: 6px;
}

.arch-title {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.arch-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.arch-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 40px;
  gap: 12px;
  flex-wrap: wrap;
}

.arch-flow-node {
  padding: 10px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
}

.arch-flow-arrow {
  color: var(--crimson-light);
  font-size: 1.2rem;
}

/* ===== MONETIZATION ===== */
.monetization {
  background: var(--bg-secondary);
}

.money-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 60px;
}

.money-card {
  padding: 44px 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
}

.money-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.money-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.money-card--primary {
  border-color: rgba(132, 22, 23, 0.3);
  background: linear-gradient(175deg, rgba(132, 22, 23, 0.08), var(--bg-card));
}

.money-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-xl);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.money-badge--primary {
  background: rgba(132, 22, 23, 0.2);
  color: var(--crimson-light);
}

.money-badge--secondary {
  background: rgba(255, 199, 44, 0.12);
  color: var(--gold);
}

.money-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.money-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.money-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.money-example {
  padding: 16px 20px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--crimson);
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.6;
}

/* ===== ROADMAP ===== */
.roadmap-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 60px;
  position: relative;
}

.roadmap-timeline::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--crimson), var(--gold), var(--crimson-light));
  opacity: 0.3;
}

.roadmap-card {
  text-align: center;
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  position: relative;
  opacity: 0;
  transform: translateY(30px);
}

.roadmap-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.roadmap-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.roadmap-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--crimson);
  border: 3px solid var(--bg-secondary);
  margin: 0 auto 24px;
  position: relative;
  z-index: 2;
}

.roadmap-card:first-child .roadmap-dot {
  background: var(--gold);
  box-shadow: 0 0 20px rgba(255, 199, 44, 0.4);
}

.roadmap-phase {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--crimson-light);
  margin-bottom: 8px;
}

.roadmap-month {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.roadmap-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ===== CTA SECTION ===== */
.cta-section {
  text-align: center;
  padding: 100px 0 120px;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(132, 22, 23, 0.12), transparent 70%);
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.cta-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-phone {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.cta-phone-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== FOOTER ===== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .step-card:not(:last-child)::after {
    display: none;
  }

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

@media (max-width: 768px) {
  .section {
    padding: 80px 0;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-stats {
    justify-content: center;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(6, 6, 11, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    z-index: 999;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.3rem;
  }

  .nav-hamburger {
    display: flex;
    z-index: 1001;
  }

  .nav-hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-hamburger.open span:nth-child(2) {
    opacity: 0;
  }

  .nav-hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

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

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

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

  .roadmap-timeline {
    grid-template-columns: 1fr;
  }

  .roadmap-timeline::before {
    display: none;
  }

  .phone-frame {
    width: 260px;
  }

  .footer .container {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}