/* ============================================================
   Rafy Pérez — Multimedia portfolio
   Dark cinematic theme · mobile-first · no frameworks
   ============================================================ */

:root {
  --bg: #0a0a0d;
  --bg-alt: #101014;
  --panel: #141419;
  --panel-border: #232329;
  --text: #f2f0ea;
  --muted: #a7a5a0;
  --accent: #e0a83c;          /* warm cinematic gold */
  --accent-soft: rgba(224, 168, 60, 0.12);
  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.wrap {
  width: min(1120px, 92%);
  margin: 0 auto;
}
.wrap.narrow { width: min(720px, 92%); }
.wrap.center { text-align: center; }

/* ---------- Typography ---------- */
h1 {
  font-size: clamp(3rem, 9vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin: 0.4em 0 0.25em;
}
h2 {
  font-size: clamp(1.9rem, 4.5vw, 2.9rem);
  font-weight: 750;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin-bottom: 0.45em;
}
h3 { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 0.4em; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.9em;
}
.lede { color: var(--muted); font-size: 1.08rem; max-width: 46rem; }
.hint { color: var(--muted); font-size: 0.85rem; margin-top: 0.6em; text-align: center; }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem min(4vw, 2rem);
  background: rgba(10, 10, 13, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.brand { font-weight: 800; letter-spacing: -0.01em; text-decoration: none; font-size: 1.05rem; }
.nav-links { display: none; margin-left: auto; gap: 1.4rem; }
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.lang-toggle {
  margin-left: auto;
  display: flex;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  overflow: hidden;
}
.nav-links + .lang-toggle { margin-left: 0; }
.lang-toggle button {
  background: transparent;
  border: 0;
  color: var(--muted);
  font: 700 0.8rem var(--font);
  padding: 0.45rem 0.85rem;
  cursor: pointer;
  letter-spacing: 0.06em;
}
.lang-toggle button[aria-pressed="true"] {
  background: var(--accent);
  color: #111;
}
@media (min-width: 760px) {
  .nav-links { display: flex; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  /* graceful gradient behind the canvas (visible if WebGL/CDN fails) */
  background:
    radial-gradient(60% 50% at 50% 110%, rgba(224, 168, 60, 0.14), transparent 70%),
    radial-gradient(80% 60% at 50% -10%, rgba(90, 110, 220, 0.12), transparent 70%),
    var(--bg);
}
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.hero-inner { position: relative; z-index: 2; padding: 6rem 1.5rem 4rem; max-width: 56rem; }
.hero .eyebrow { margin-bottom: 0.4em; }
.tagline { color: var(--muted); font-size: clamp(1.05rem, 2.6vw, 1.35rem); max-width: 40rem; margin: 0 auto 2.2rem; }

.cta, .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  transition: transform 0.2s, background 0.2s, border-color 0.2s;
}
.cta:hover, .btn:hover { transform: translateY(-2px); border-color: var(--accent); }
.btn svg { width: 1.25em; height: 1.25em; flex: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #111; }
.btn-primary:hover { background: #eebc58; border-color: #eebc58; }

.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  z-index: 2;
}
.scroll-hint span {
  display: block;
  width: 4px;
  height: 8px;
  margin: 7px auto 0;
  border-radius: 4px;
  background: var(--accent);
  animation: hint 1.8s ease-in-out infinite;
}
@keyframes hint {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(10px); opacity: 0.35; }
}

/* ---------- Sections ---------- */
.section { padding: clamp(4rem, 9vw, 7.5rem) 0; }
.section-alt { background: var(--bg-alt); }

/* ---------- Cards ---------- */
.cards {
  display: grid;
  gap: 1.4rem;
  margin-top: 2.6rem;
  grid-template-columns: 1fr;
}
@media (min-width: 760px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1080px) {
  #capacidades .cards { grid-template-columns: repeat(3, 1fr); }
  #proyectos .cards { grid-template-columns: repeat(2, 1fr); }
}
.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: transform 0.25s, border-color 0.25s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(224, 168, 60, 0.45); }
.card p { color: var(--muted); font-size: 0.98rem; }
.card-wide { grid-column: 1 / -1; }
.card-icon {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
}
.card-icon svg { width: 1.6rem; height: 1.6rem; }

.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: auto; }
.tags span {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--panel-border);
  color: var(--muted);
}

/* ---------- YouTube facade (click-to-play) ---------- */
.yt-wrap { margin-top: 2.4rem; }
.yt {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  border: 1px solid var(--panel-border);
}
.card .yt { margin-top: 0.2rem; }
.card .yt + .yt { margin-top: 0.8rem; }
.yt-facade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  padding: 0;
  cursor: pointer;
  background: #000;
}
.yt-facade img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.82;
  transition: opacity 0.25s, transform 0.4s;
}
.yt-facade:hover img { opacity: 1; transform: scale(1.02); }
.yt-play {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: rgba(10, 10, 13, 0.72);
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  display: grid;
  place-items: center;
  backdrop-filter: blur(4px);
  transition: transform 0.2s, background 0.2s;
}
.yt-facade:hover .yt-play { transform: scale(1.08); background: var(--accent); border-color: var(--accent); }
.yt-play svg { width: 30px; height: 30px; fill: #fff; margin-left: 3px; }
.yt-facade:hover .yt-play svg { fill: #111; }
.yt iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- Splat panel ---------- */
.splat-panel {
  border: 1px dashed var(--panel-border);
  border-radius: var(--radius);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #0c0c10;
}
.splat-empty {
  margin: auto;
  text-align: center;
  padding: 2.5rem 1.8rem;
  max-width: 34rem;
}
.splat-empty svg { width: 3rem; height: 3rem; color: var(--accent); margin: 0 auto 1rem; opacity: 0.85; }
.splat-empty h4 { font-size: 1.15rem; margin-bottom: 0.6rem; }
.splat-empty p { color: var(--muted); font-size: 0.95rem; }
.splat-empty code {
  display: block;
  margin-top: 1.1rem;
  font-size: 0.8rem;
  color: var(--accent);
  background: rgba(224, 168, 60, 0.08);
  border: 1px solid rgba(224, 168, 60, 0.25);
  border-radius: 8px;
  padding: 0.7rem 1rem;
  word-break: break-all;
}
.splat-view { position: relative; height: 420px; }
.splat-view canvas { width: 100%; height: 100%; display: block; }
.splat-files { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0.9rem 1rem; border-top: 1px solid var(--panel-border); background: var(--panel); }
.splat-files button {
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font: 600 0.82rem var(--font);
  cursor: pointer;
}
.splat-files button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #111; }
.splat-status {
  padding: 0.7rem 1rem;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--panel-border);
}

/* ---------- Bio / contact ---------- */
.bio { font-size: 1.12rem; color: var(--text); margin-bottom: 2rem; }
#sobre-mi .btn, #contacto .btn { margin-top: 0.4rem; }
.contact-btns { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin-top: 2rem; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 1.8rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.footer .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer-tag { letter-spacing: 0.08em; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .scroll-hint span { animation: none; }
}