:root {
  --bg-primary: #080808;
  --bg-secondary: #0f0f0f;
  --bg-card: #141414;
  --gold-primary: #C9A84C;
  --gold-light: #E8C96A;
  --gold-dark: #9A7A2E;
  --text-primary: #F5F5F5;
  --text-secondary: #A0A0A0;
  --text-muted: #606060;
  --accent-glow: rgba(201, 168, 76, 0.18);
  --border-gold: rgba(201, 168, 76, 0.3);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Source Serif 4', Georgia, serif;
  color: var(--text-primary);
  background: radial-gradient(circle at top, #101010 0%, #080808 45%, #020202 100%);
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent 20%);
  pointer-events: none;
}

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

a {
  color: var(--gold-light);
  text-decoration: none;
}

a:hover {
  color: #fff;
}

button,
.cta-button {
  font: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.25s ease;
}

.container {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(8, 8, 8, 0.8);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(201, 168, 76, 0.15);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.logo {
  font-family: 'Cinzel', serif;
  font-size: 1.35rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-primary);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  padding: 0;
  margin: 0;
  align-items: center;
}

nav a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

nav a:hover,
.nav-action:hover {
  color: var(--gold-light);
}

.nav-action {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: rgba(201, 168, 76, 0.08);
  border: 1px solid rgba(201, 168, 76, 0.2);
  color: var(--gold-light);
  font-size: 0.9rem;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 7rem 0 4rem;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(201, 168, 76, 0.09), transparent 30%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero-copy {
  z-index: 1;
}

.hero-copy p.tagline {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin: 0 0 1.2rem;
}

.hero-copy h1 {
  margin: 0;
  font-family: 'Cinzel', serif;
  font-size: clamp(3rem, 5vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.hero-copy h2,
.hero-copy h3 {
  margin: 0.8rem 0 1rem;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.hero-copy .highlight {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--gold-light);
  margin-bottom: 1rem;
}

.hero-copy .subtext {
  color: var(--text-secondary);
  max-width: 40rem;
  line-height: 1.8;
  font-size: 1rem;
}

.hero-copy .hero-cta {
  margin-top: 2rem;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.95rem 1.4rem;
  border-radius: 999px;
  background: rgba(201, 168, 76, 0.14);
  color: var(--text-primary);
  border-color: rgba(201, 168, 76, 0.2);
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
}

.hero-visual::before {
  content: '';
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.2), transparent 60%);
  filter: blur(28px);
  z-index: 0;
}

.cover-frame {
  position: relative;
  width: min(360px, 100%);
  border: 1px solid rgba(201, 168, 76, 0.2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  border-radius: 1.5rem;
  overflow: hidden;
}

.cover-frame img {
  width: 100%;
  display: block;
}

.cover-caption {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: rgba(8, 8, 8, 0.82);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 999px;
  color: var(--text-secondary);
  padding: 0.75rem 1rem;
  font-size: 0.92rem;
  z-index: 1;
}

canvas#binary-rain {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.section {
  padding: 5rem 0;
}

.section-title {
  margin: 0 0 1.5rem;
  font-family: 'Cinzel', serif;
  font-size: clamp(2rem, 3vw, 3rem);
}

.section .section-copy {
  color: var(--text-secondary);
  max-width: 860px;
  line-height: 1.85;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  padding: 1.6rem;
  background: rgba(20, 20, 20, 0.95);
  border: 1px solid var(--border-gold);
  border-radius: 1.25rem;
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--gold-primary);
  box-shadow: 0 0 30px var(--accent-glow);
}

.card h4 {
  margin: 0 0 0.85rem;
  font-family: 'Rajdhani', sans-serif;
  color: var(--gold-light);
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.97rem;
}

.tip-box {
  margin-top: 2rem;
  padding: 1.5rem 1.6rem;
  background: linear-gradient(135deg, rgba(201,168,76,0.08), rgba(8,8,8,0.95));
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-radius: 1.25rem;
}

.tip-box span {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  color: var(--gold-light);
}

.two-column {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2rem;
  align-items: center;
}

.author-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  min-height: 320px;
  border-radius: 1.5rem;
  overflow: hidden;
  background: #111;
  border: 1px solid rgba(255,255,255,0.06);
}

.author-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-bio h3,
.contact-panel h3 {
  margin: 0 0 1rem;
  font-family: 'Rajdhani', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.author-bio p,
.contact-panel p {
  color: var(--text-secondary);
  line-height: 1.8;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.badge {
  padding: 0.8rem 1rem;
  border: 1px solid rgba(201, 168, 76, 0.2);
  background: rgba(255,255,255,0.03);
  border-radius: 999px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.contact-card {
  background: rgba(20, 20, 20, 0.95);
  border: 1px solid var(--border-gold);
  border-radius: 1.5rem;
  padding: 1.6rem;
}

.contact-card h4 {
  margin: 0 0 0.75rem;
  color: var(--gold-light);
}

.contact-card p {
  margin: 0 0 1rem;
  color: var(--text-secondary);
}

.contact-card .button-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.contact-card .button-group a {
  flex: 1 1 140px;
  display: inline-flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  background: rgba(201, 168, 76, 0.1);
  border: 1px solid rgba(201, 168, 76, 0.25);
  border-radius: 999px;
  color: var(--gold-light);
  text-decoration: none;
}

footer {
  padding: 2rem 0 3rem;
  color: var(--text-secondary);
  border-top: 1px solid rgba(201, 168, 76, 0.15);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.92rem;
}

.footer-links a {
  color: var(--gold-light);
}

.footer-info {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.menu-toggle {
  display: none;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
  padding: 0.85rem;
  border-radius: 0.85rem;
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 72px 1rem auto auto;
  right: 1rem;
  background: rgba(12, 12, 12, 0.98);
  border: 1px solid rgba(201, 168, 76, 0.22);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 24px 50px rgba(0,0,0,0.42);
  z-index: 120;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu nav {
  display: grid;
  gap: 1rem;
}

.mobile-menu nav a {
  color: var(--text-primary);
}

.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 4px;
  background: linear-gradient(90deg, rgba(201,168,76,1), rgba(232,201,106,0.8));
  z-index: 150;
}

@media (max-width: 1024px) {
  .hero-grid,
  .two-column {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 6rem;
  }
}

@media (max-width: 768px) {
  .nav-inner {
    gap: 0.75rem;
  }

  nav {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .container {
    width: min(100%, calc(100% - 1.5rem));
  }

  .hero {
    padding: 6rem 0 3rem;
  }

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

  .hero-visual {
    order: -1;
  }

  .hero-copy h1 {
    font-size: clamp(2.5rem, 9vw, 4rem);
  }

  .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}