/* Oceanfront Press — cinematic flash intro
   Brand: ink #171717, gold #c9a96e / #e0c992, white
   60fps-friendly: transform/opacity only; canvas optional
*/

:root {
  --ofp-ink: #171717;
  --ofp-ink-deep: #070d14;
  --ofp-ocean: #1a6fa8;
  --ofp-ocean-light: #5eb3d4;
  --ofp-gold: #c9a96e;
  --ofp-gold-light: #e0c992;
  --ofp-gold-glow: rgba(201, 169, 110, 0.45);
  --ofp-paper: #ffffff;
  --ofp-font-serif: "Cormorant Garamond", "Palatino Linotype", Palatino, Georgia, serif;
  --ofp-font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* Pre-paint skip (set by inline script in index.html) */
html.ofp-intro-skip #ofp-intro {
  display: none !important;
}

/* —— Overlay (index.html) —— */
#ofp-intro {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ofp-ink-deep);
  color: var(--ofp-paper);
  overflow: hidden;
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  filter: blur(0);
  transition:
    opacity 1.35s cubic-bezier(0.22, 1, 0.36, 1),
    transform 1.35s cubic-bezier(0.22, 1, 0.36, 1),
    filter 1.35s cubic-bezier(0.22, 1, 0.36, 1),
    background 1.35s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 1.35s step-end;
  pointer-events: auto;
}

#ofp-intro.is-exiting {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: scale(1.04);
  filter: blur(10px);
  background:
    radial-gradient(ellipse 90% 70% at 50% 55%, rgba(26, 111, 168, 0.55) 0%, transparent 55%),
    #0a1624;
  transition:
    opacity 1.35s cubic-bezier(0.22, 1, 0.36, 1),
    transform 1.35s cubic-bezier(0.22, 1, 0.36, 1),
    filter 1.35s cubic-bezier(0.22, 1, 0.36, 1),
    background 1.35s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 1.35s step-end;
}

#ofp-intro.is-exiting .ofp-intro__content,
#ofp-intro.is-exiting .ofp-intro__actions,
#ofp-intro.is-exiting .ofp-intro-logo {
  opacity: 0;
  transform: translateY(-12px) scale(0.98);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

#ofp-intro[hidden],
#ofp-intro.is-done {
  display: none !important;
}

body.ofp-intro-active {
  overflow: hidden;
}

/* Homepage rises in as splash dissolves into ocean light */
body.ofp-intro-revealing .site-header,
body.ofp-intro-revealing main,
body.ofp-intro-revealing .site-footer {
  animation: ofp-home-rise 1.25s cubic-bezier(0.22, 1, 0.36, 1) both;
}
body.ofp-intro-revealing .site-header { animation-delay: 0.15s; }
body.ofp-intro-revealing main { animation-delay: 0.28s; }
body.ofp-intro-revealing .site-footer { animation-delay: 0.4s; }

@keyframes ofp-home-rise {
  from {
    opacity: 0;
    transform: translateY(18px);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  body.ofp-intro-revealing .site-header,
  body.ofp-intro-revealing main,
  body.ofp-intro-revealing .site-footer {
    animation: none !important;
  }
  #ofp-intro.is-exiting {
    transform: none;
    filter: none;
    transition: opacity 0.35s ease, visibility 0.35s step-end;
  }
}

/* —— Stage —— */
.ofp-intro__stage {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  isolation: isolate;
}

.ofp-intro__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.ofp-intro__grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(94, 179, 212, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 169, 110, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 75%);
  opacity: 0;
  animation: ofp-grid-in 1.2s ease-out 0.1s forwards;
}

.ofp-intro__vignette {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 70% at 50% 45%, transparent 30%, rgba(10, 10, 10, 0.85) 100%),
    linear-gradient(180deg, rgba(10, 10, 10, 0.5) 0%, transparent 25%, transparent 75%, rgba(10, 10, 10, 0.6) 100%);
}

/* Gold horizon / scan motif */
.ofp-intro__horizon {
  position: absolute;
  left: 50%;
  top: 52%;
  width: min(72vw, 720px);
  height: 1px;
  z-index: 3;
  transform: translate(-50%, -50%) scaleX(0);
  transform-origin: center;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--ofp-gold) 15%,
    var(--ofp-gold-light) 50%,
    var(--ofp-gold) 85%,
    transparent 100%
  );
  box-shadow:
    0 0 20px var(--ofp-gold-glow),
    0 0 60px rgba(201, 169, 110, 0.25);
  animation: ofp-horizon-draw 1.1s cubic-bezier(0.22, 1, 0.36, 1) 0.35s forwards;
}

.ofp-intro__horizon::before,
.ofp-intro__horizon::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ofp-gold-light);
  box-shadow: 0 0 12px var(--ofp-gold-glow);
  transform: translateY(-50%);
  opacity: 0;
  animation: ofp-node-pop 0.4s ease-out 1.2s forwards;
}

.ofp-intro__horizon::before { left: 0; }
.ofp-intro__horizon::after { right: 0; }

/* Scanning beam */
.ofp-intro__scan {
  position: absolute;
  left: 0;
  top: -40px;
  width: 100%;
  height: 80px;
  z-index: 3;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(201, 169, 110, 0.08) 40%,
    rgba(224, 201, 146, 0.18) 50%,
    rgba(201, 169, 110, 0.08) 60%,
    transparent 100%
  );
  opacity: 0;
  animation: ofp-scan 2.4s ease-in-out 0.8s 1 forwards;
}

/* Content */
.ofp-intro__content {
  position: relative;
  z-index: 5;
  text-align: center;
  max-width: 40rem;
  margin-top: -1.5rem;
}

.ofp-intro__eyebrow {
  font-family: var(--ofp-font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(224, 201, 146, 0.7);
  margin: 0 0 1.25rem;
  opacity: 0;
  transform: translateY(12px);
  animation: ofp-rise 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.9s forwards;
}

.ofp-intro__wordmark {
  font-family: var(--ofp-font-serif);
  font-size: clamp(2.75rem, 8vw, 5rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.05;
  margin: 0;
  color: var(--ofp-paper);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35em;
}

.ofp-intro__wordmark .ofp-ocean,
.ofp-intro__wordmark .ofp-press {
  display: inline-block;
  opacity: 0;
  transform: translateY(28px);
  filter: blur(6px);
}

.ofp-intro__wordmark .ofp-ocean {
  animation: ofp-word-reveal 0.9s cubic-bezier(0.22, 1, 0.36, 1) 1.05s forwards;
}

.ofp-intro__wordmark .ofp-press {
  color: var(--ofp-gold);
  font-weight: 500;
  animation: ofp-word-reveal 0.9s cubic-bezier(0.22, 1, 0.36, 1) 1.28s forwards;
}

.ofp-intro__tagline {
  font-family: var(--ofp-font-serif);
  font-size: clamp(1.05rem, 2.5vw, 1.35rem);
  font-weight: 500;
  font-style: italic;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.78);
  margin: 1.5rem 0 0;
  opacity: 0;
  transform: translateY(16px);
  animation: ofp-rise 0.8s cubic-bezier(0.22, 1, 0.36, 1) 1.55s forwards;
}

.ofp-intro__pipeline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.75rem;
  font-family: var(--ofp-font-sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(201, 169, 110, 0.85);
  opacity: 0;
  animation: ofp-rise 0.7s cubic-bezier(0.22, 1, 0.36, 1) 1.85s forwards;
}

.ofp-intro__pipeline span {
  opacity: 0.55;
}

.ofp-intro__pipeline .ofp-pipe-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--ofp-gold);
  opacity: 0.8;
  flex-shrink: 0;
}

/* Actions */
.ofp-intro__actions {
  position: relative;
  z-index: 5;
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  opacity: 0;
  animation: ofp-rise 0.6s cubic-bezier(0.22, 1, 0.36, 1) 2.15s forwards;
}

.ofp-intro__enter {
  appearance: none;
  border: 1px solid rgba(201, 169, 110, 0.55);
  background: transparent;
  color: var(--ofp-gold-light);
  font-family: var(--ofp-font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 0.85rem 2.25rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease,
              box-shadow 0.25s ease;
}

.ofp-intro__enter::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(201, 169, 110, 0.15), rgba(224, 201, 146, 0.05));
  opacity: 0;
  transition: opacity 0.25s ease;
}

.ofp-intro__enter:hover {
  border-color: var(--ofp-gold-light);
  color: var(--ofp-paper);
  box-shadow: 0 0 28px rgba(201, 169, 110, 0.25);
}

.ofp-intro__enter:hover::before {
  opacity: 1;
}

.ofp-intro__enter:focus-visible {
  outline: 2px solid var(--ofp-gold);
  outline-offset: 4px;
}

.ofp-intro__skip {
  appearance: none;
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.45);
  font-family: var(--ofp-font-sans);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  transition: color 0.2s ease;
}

.ofp-intro__skip:hover {
  color: rgba(224, 201, 146, 0.9);
}

.ofp-intro__skip:focus-visible {
  outline: 2px solid var(--ofp-gold);
  outline-offset: 3px;
  color: var(--ofp-gold-light);
}

/* Progress bar (auto-advance hint) */
.ofp-intro__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 0%;
  z-index: 6;
  background: linear-gradient(90deg, var(--ofp-gold), var(--ofp-gold-light));
  box-shadow: 0 0 12px var(--ofp-gold-glow);
  animation: ofp-progress 4.5s linear 0.3s forwards;
}

#ofp-intro.is-exiting .ofp-intro__progress {
  animation: none;
}

/* —— Keyframes —— */
@keyframes ofp-grid-in {
  to { opacity: 1; }
}

@keyframes ofp-horizon-draw {
  to { transform: translate(-50%, -50%) scaleX(1); }
}

@keyframes ofp-node-pop {
  to { opacity: 1; }
}

@keyframes ofp-scan {
  0% { opacity: 0; transform: translateY(-30vh); }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { opacity: 0; transform: translateY(35vh); }
}

@keyframes ofp-word-reveal {
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes ofp-rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ofp-progress {
  to { width: 100%; }
}

/* —— Reduced motion —— */
@media (prefers-reduced-motion: reduce) {
  #ofp-intro,
  #ofp-intro * {
    animation: none !important;
    transition: none !important;
  }

  .ofp-intro__horizon {
    transform: translate(-50%, -50%) scaleX(1);
  }

  .ofp-intro__wordmark .ofp-ocean,
  .ofp-intro__wordmark .ofp-press,
  .ofp-intro__eyebrow,
  .ofp-intro__tagline,
  .ofp-intro__pipeline,
  .ofp-intro__actions,
  .ofp-intro__grid {
    opacity: 1;
    transform: none;
    filter: none;
  }

  .ofp-intro__scan,
  .ofp-intro__progress,
  .ofp-intro__canvas {
    display: none;
  }
}

/* —— Standalone intro.html page —— */
html.ofp-intro-page,
html.ofp-intro-page body {
  margin: 0;
  height: 100%;
  background: var(--ofp-ink-deep);
  overflow: hidden;
}

html.ofp-intro-page #ofp-intro {
  position: fixed;
}

/* Animated O mark — A2b with moving water (intro only) */
.ofp-intro-logo {
  width: min(9.5rem, 36vw);
  margin: 0 auto 1.35rem;
  opacity: 0;
  transform: scale(0.88) translateY(16px);
  filter: drop-shadow(0 12px 28px rgba(0, 0, 0, 0.35));
  animation: ofp-logo-in 1s cubic-bezier(0.22, 1, 0.36, 1) 0.35s forwards;
}
.ofp-o-mark {
  display: block;
  width: 100%;
  height: auto;
}
.ofp-o-wave {
  transform-box: fill-box;
  transform-origin: center;
}
.ofp-o-wave--a {
  animation: ofp-wave-drift 4.2s ease-in-out infinite;
}
.ofp-o-wave--b {
  animation: ofp-wave-drift 3.4s ease-in-out infinite reverse;
  animation-delay: -0.6s;
}
.ofp-o-wave--c {
  animation: ofp-wave-drift 5s ease-in-out infinite;
  animation-delay: -1.2s;
}
.ofp-o-gold-wave {
  animation: ofp-gold-wave 3.6s ease-in-out infinite;
}
.ofp-o-horizon {
  animation: ofp-horizon-glow 2.8s ease-in-out infinite;
}
@keyframes ofp-logo-in {
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}
@keyframes ofp-wave-drift {
  0%, 100% { transform: translateX(0) translateY(0); }
  50% { transform: translateX(10px) translateY(-3px); }
}
@keyframes ofp-gold-wave {
  0%, 100% { transform: translateX(0); opacity: 0.85; }
  50% { transform: translateX(6px); opacity: 1; }
}
@keyframes ofp-horizon-glow {
  0%, 100% { stroke: #c9a96e; stroke-opacity: 0.85; }
  50% { stroke: #e0c992; stroke-opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .ofp-o-wave--a,
  .ofp-o-wave--b,
  .ofp-o-wave--c,
  .ofp-o-gold-wave,
  .ofp-o-horizon {
    animation: none !important;
  }
  .ofp-intro-logo {
    animation: none !important;
    opacity: 1;
    transform: none;
  }
}