/* ============================================================
   HENAD ONE FZCO — Style System
   Ultra-minimal, black & gold, Neoplatonic aesthetic
   ============================================================ */

/* --- CSS Custom Properties / Design Tokens --- */
:root {
  /* Colors */
  --black: #000000;
  --gold: #C9A84C;
  --gold-dim: rgba(201, 168, 76, 0.55);
  --gold-faint: rgba(201, 168, 76, 0.25);
  --gold-glow: rgba(201, 168, 76, 0.15);
  --warm-gray: rgba(201, 168, 76, 0.4);
  --text-muted: rgba(201, 168, 76, 0.6);

  /* Typography */
  --font-serif: 'Cormorant Garamond', 'Georgia', serif;

  /* Spacing — generous, meditative */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 32px;
  --space-lg: 64px;
  --space-xl: 120px;
  --space-2xl: 200px;

  /* Animation */
  --ease-golden: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--black);
  color: var(--gold);
  font-family: var(--font-serif);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Selection */
::selection {
  background: rgba(201, 168, 76, 0.2);
  color: var(--gold);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

/* --- Golden Ring Logo --- */
.logo-ring {
  width: clamp(180px, 30vw, 260px);
  height: clamp(180px, 30vw, 260px);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.ring-svg {
  width: 100%;
  height: 100%;
  animation: pulse-glow 6s ease-in-out infinite;
}

/* Breathing glow animation */
@keyframes pulse-glow {
  0%, 100% {
    filter: drop-shadow(0 0 12px rgba(201, 168, 76, 0.15))
            drop-shadow(0 0 35px rgba(201, 168, 76, 0.08))
            drop-shadow(0 0 80px rgba(201, 168, 76, 0.04));
  }
  50% {
    filter: drop-shadow(0 0 20px rgba(201, 168, 76, 0.35))
            drop-shadow(0 0 50px rgba(201, 168, 76, 0.18))
            drop-shadow(0 0 100px rgba(201, 168, 76, 0.08));
  }
}

/* --- Brand Name --- */
.brand-name {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.5vw, 2.8rem);
  font-weight: 300;
  letter-spacing: 0.45em;
  color: var(--gold);
  text-align: center;
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.brand-suffix {
  font-family: var(--font-serif);
  font-size: clamp(0.75rem, 1.2vw, 1rem);
  font-weight: 300;
  letter-spacing: 0.6em;
  color: var(--gold-dim);
  text-align: center;
  text-transform: uppercase;
  line-height: 1;
}

/* --- Slogan Section --- */
.section-slogan {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-md);
}

.slogan {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 3vw, 2.4rem);
  font-weight: 300;
  font-style: italic;
  color: var(--gold);
  text-align: center;
  letter-spacing: 0.08em;
  line-height: 1.5;
  max-width: 600px;
}

/* --- Tagline Section --- */
.section-tagline {
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-md);
}

.tagline {
  font-family: var(--font-serif);
  font-size: clamp(0.85rem, 1.5vw, 1.1rem);
  font-weight: 400;
  letter-spacing: 0.35em;
  color: var(--gold-dim);
  text-align: center;
  text-transform: uppercase;
  line-height: 1;
}

/* --- Contact Section --- */
.section-contact {
  padding: var(--space-2xl) var(--space-md) var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.divider {
  width: 60px;
  height: 1px;
  background: var(--gold-faint);
}

.contact-email {
  font-family: var(--font-serif);
  font-size: clamp(0.8rem, 1.2vw, 0.95rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
  cursor: pointer;
}

.contact-email:hover {
  color: var(--gold);
}

.contact-email:focus-visible {
  color: var(--gold);
  outline: 1px solid var(--gold-faint);
  outline-offset: 8px;
}

/* --- Footer Attribution --- */
.site-footer {
  padding: var(--space-xl) var(--space-md) var(--space-md);
  text-align: center;
}

.attribution-link {
  font-family: var(--font-serif);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: rgba(201, 168, 76, 0.18);
  text-decoration: none;
  transition: color var(--transition-interactive);
  cursor: pointer;
}

.attribution-link:hover {
  color: rgba(201, 168, 76, 0.35);
}

/* --- Scroll Fade-In --- */
.fade-in {
  opacity: 0;
  transition: opacity 1.2s ease;
}

.fade-in.is-visible {
  opacity: 1;
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  .ring-svg {
    animation: none;
    filter: drop-shadow(0 0 20px rgba(201, 168, 76, 0.12));
  }

  .fade-in {
    opacity: 1;
    transition: none;
  }
}

/* --- Mobile Adjustments --- */
@media (max-width: 600px) {
  .logo-ring {
    width: 160px;
    height: 160px;
    margin-bottom: var(--space-md);
  }

  .brand-name {
    letter-spacing: 0.3em;
  }

  .brand-suffix {
    letter-spacing: 0.4em;
  }

  .section-slogan {
    min-height: 60vh;
    padding: var(--space-lg) var(--space-sm);
  }

  .section-tagline {
    min-height: 40vh;
    padding: var(--space-lg) var(--space-sm);
  }

  .section-contact {
    padding: var(--space-xl) var(--space-sm) var(--space-md);
  }
}