/* ===========================================
   Fin App Venture — Landing Page Styles
   =========================================== */

:root {
  --navy: #0a1628;
  --navy-800: #0f2038;
  --navy-700: #142a47;
  --teal: #00d4aa;
  --teal-bright: #22e8be;
  --white: #ffffff;
  --gray-300: #c3ccd9;
  --gray-400: #94a3b8;
  --text: #e7edf5;
  --text-muted: #a9b6c8;
  --radius: 16px;
  --maxw: 1120px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--navy);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(10, 22, 40, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background var(--transition);
}

.site-header.scrolled {
  background: rgba(10, 22, 40, 0.92);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.brand-mark {
  color: var(--teal);
  display: inline-flex;
}

.brand-accent {
  color: var(--teal);
}

.main-nav {
  display: flex;
  gap: 28px;
}

.main-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
}

.main-nav a:hover {
  color: var(--white);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition),
    background var(--transition), color var(--transition);
}

.btn-primary {
  background: var(--teal);
  color: var(--navy);
  box-shadow: 0 8px 24px rgba(0, 212, 170, 0.25);
}

.btn-primary:hover {
  background: var(--teal-bright);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 212, 170, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.18);
}

.btn-ghost:hover {
  border-color: var(--teal);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 34px;
  font-size: 1.05rem;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 120px 0 110px;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  max-width: 120vw;
  background: radial-gradient(
    circle,
    rgba(0, 212, 170, 0.16) 0%,
    rgba(0, 212, 170, 0.05) 35%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.3);
  color: var(--teal-bright);
  font-size: 0.85rem;
  font-weight: 500;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 900px;
  color: var(--white);
}

.gradient-text {
  background: linear-gradient(100deg, var(--teal) 0%, #5eead4 50%, #7dd3fc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 620px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}

/* ---------- Sections ---------- */
.section {
  padding: 100px 0;
}

.section-alt {
  background: linear-gradient(180deg, var(--navy-800), var(--navy));
}

.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--teal);
  margin-bottom: 14px;
}

.section-head h2,
.contact-card h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--white);
}

.section-desc {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-lead {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text);
}

.about-body {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* ---------- Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform var(--transition), border-color var(--transition),
    background var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 212, 170, 0.4);
  background: rgba(0, 212, 170, 0.04);
}

.card-icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.card p {
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* ---------- Contact ---------- */
.contact-card {
  position: relative;
  text-align: center;
  background: linear-gradient(160deg, var(--navy-700), var(--navy-800));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 64px 32px;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.14), transparent 65%);
  pointer-events: none;
}

.contact-desc {
  position: relative;
  color: var(--text-muted);
  max-width: 540px;
  margin: 18px auto 32px;
  font-size: 1.05rem;
}

.contact-card .btn {
  position: relative;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand.small {
  font-size: 0.95rem;
}

.footer-note {
  color: var(--gray-400);
  font-size: 0.88rem;
}

.footer-mail {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-mail:hover {
  color: var(--teal);
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  will-change: opacity, transform;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

@media (max-width: 640px) {
  .main-nav {
    gap: 16px;
  }

  .main-nav a {
    font-size: 0.88rem;
  }

  .hero {
    padding: 80px 0 70px;
  }

  .section {
    padding: 70px 0;
  }

  .contact-card {
    padding: 48px 22px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 400px) {
  .brand-text {
    font-size: 0.95rem;
  }
  .main-nav {
    display: none;
  }
}