/* ==========================================================================
   Fortislaw — holding page
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --ink:        #07090d;
  --ink-2:      #0d121b;
  --gold-hi:    #f3e7cc;
  --gold:       #c9a86a;
  --gold-deep:  #8a6d3b;
  --hairline:   rgba(201, 168, 106, 0.45);

  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;

  --track: 0.32em;              /* letter-spacing of the wordmark */
  --ease:  cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  background-color: var(--ink);
  color: var(--gold-hi);
  font-family: var(--serif);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
}

/* ==========================================================================
   Background scene
   ========================================================================== */
.scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(ellipse 140% 90% at 50% 110%, var(--ink-2) 0%, transparent 60%),
    linear-gradient(180deg, #0a0d13 0%, var(--ink) 100%);
}

/* Slow drifting light sources */
.scene__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  will-change: transform;
}

.scene__glow--warm {
  width: 70vmax;
  height: 70vmax;
  left: 50%;
  top: 50%;
  margin: -35vmax 0 0 -35vmax;
  background: radial-gradient(circle, rgba(201, 168, 106, 0.16) 0%, transparent 65%);
  animation: drift-warm 26s ease-in-out infinite alternate;
}

.scene__glow--cool {
  width: 60vmax;
  height: 60vmax;
  right: -20vmax;
  bottom: -25vmax;
  background: radial-gradient(circle, rgba(70, 96, 140, 0.18) 0%, transparent 65%);
  animation: drift-cool 32s ease-in-out infinite alternate;
}

/* Architectural column rhythm */
.scene__lines {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0,
    transparent calc(100% / 12 - 1px),
    rgba(201, 168, 106, 0.045) calc(100% / 12 - 1px),
    rgba(201, 168, 106, 0.045) calc(100% / 12)
  );
  -webkit-mask-image: radial-gradient(ellipse 60% 70% at 50% 50%, #000 0%, transparent 100%);
          mask-image: radial-gradient(ellipse 60% 70% at 50% 50%, #000 0%, transparent 100%);
  opacity: 0;
  animation: fade-in 3s 0.4s var(--ease) forwards;
}

/* Film grain */
.scene__grain {
  position: absolute;
  inset: -50%;
  opacity: 0.055;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Edge darkening */
.scene__vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 85% 75% at 50% 50%, transparent 40%, rgba(0, 0, 0, 0.65) 100%);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  text-align: center;
}

/* ---------- Wordmark ---------- */
.brand {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 8.2vw, 7rem);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: var(--track);
  padding-left: var(--track);   /* balances trailing letter-spacing */
  white-space: nowrap;

  /* Metallic gold with a slow light sweep */
  background-image: linear-gradient(
    100deg,
    var(--gold-deep) 0%,
    var(--gold) 30%,
    var(--gold-hi) 45%,
    #fffaf0 50%,
    var(--gold-hi) 55%,
    var(--gold) 70%,
    var(--gold-deep) 100%
  );
  background-size: 250% 100%;
  background-position: 100% 0;
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;

  opacity: 0;
  animation:
    brand-in 2.4s 0.2s var(--ease) forwards,
    sheen 9s 2.6s ease-in-out infinite;
}

/* ---------- Ornamental rule ---------- */
.rule {
  display: flex;
  align-items: center;
  gap: 16px;
  width: min(360px, 62vw);
  margin-top: clamp(22px, 4vh, 40px);
  opacity: 0;
  animation: fade-in 1.6s 1.4s var(--ease) forwards;
}

.rule__line {
  flex: 1;
  height: 1px;
  transform: scaleX(0);
  animation: grow 1.8s 1.5s var(--ease) forwards;
}

.rule__line:first-child {
  background: linear-gradient(90deg, transparent, var(--hairline));
  transform-origin: right center;
}

.rule__line:last-child {
  background: linear-gradient(270deg, transparent, var(--hairline));
  transform-origin: left center;
}

.rule__mark {
  width: 7px;
  height: 7px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes brand-in {
  from {
    opacity: 0;
    letter-spacing: 0.7em;
    padding-left: 0.7em;
    filter: blur(14px);
  }
  to {
    opacity: 1;
    letter-spacing: var(--track);
    padding-left: var(--track);
    filter: blur(0);
  }
}

@keyframes sheen {
  0%, 15%  { background-position: 100% 0; }
  55%, 100% { background-position: 0% 0; }
}

@keyframes fade-in {
  to { opacity: 1; }
}

@keyframes grow {
  to { transform: scaleX(1); }
}

@keyframes drift-warm {
  0%   { transform: translate3d(-6%, -4%, 0) scale(1); }
  100% { transform: translate3d(6%, 5%, 0) scale(1.12); }
}

@keyframes drift-cool {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(-18%, -12%, 0) scale(1.15); }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 480px) {
  :root { --track: 0.18em; }
  .brand { font-size: clamp(1.8rem, 10.8vw, 3.2rem); }
  .scene__glow { filter: blur(60px); }
}

@media (max-height: 420px) and (orientation: landscape) {
  .rule { margin-top: 16px; }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
  }

  .brand,
  .rule,
  .scene__lines { opacity: 1; }

  .rule__line { transform: none; }
}