/* ============================================================
   IVÁN ROJO — diría que sí
   Landing cinematográfica · una canción convertida en atmósfera
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --bg:          #0a0a0c;
  --bg-2:        #050507;
  --ink:         #f0ece5;
  --ink-dim:     #8a847b;
  --ink-faint:   #4a4640;

  --red:         #e10b1a;
  --red-deep:    #8a0612;
  --red-glow:    rgba(225, 11, 26, 0.55);

  --blue:        #1e3aff;
  --blue-deep:   #0a1480;
  --blue-glow:   rgba(30, 58, 255, 0.55);

  --font-display: "Fraunces", "Times New Roman", serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Consolas, monospace;

  --ease-cine:   cubic-bezier(0.16, 1, 0.3, 1);
  --dur-slow:    900ms;
  --dur-mid:     500ms;
  --dur-fast:    280ms;

  --pad-x: clamp(20px, 5vw, 64px);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: auto;
  overflow-x: hidden;
  overflow-y: auto;
  width: 100%;
  background: var(--bg);
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  width: 100%;
  min-height: 100dvh;
  background:
    radial-gradient(120% 80% at 50% 0%, #14141a 0%, var(--bg) 60%) no-repeat,
    var(--bg);
  overscroll-behavior-y: auto;
}

a { color: inherit; text-decoration: none; }
em { font-style: italic; }
::selection { background: var(--red); color: var(--ink); }

.noise-svg {
  position: fixed;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  height: 100dvh;
  min-height: 600px;
  overflow: hidden;
  color: var(--ink);
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.3), rgba(0,0,0,0.55)),
    url("diriaquesi_ivr.jpg") center/cover no-repeat,
    var(--bg);
}

.youtube-stage {
  position: absolute;
  inset: -22.5%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.youtube-iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  min-width: 177.78vh;
  min-height: 56.25vw;
  transform: translate(-50%, -50%);
  border: 0;
  pointer-events: none;
  filter: contrast(1.1) saturate(1.15) brightness(0.92);
}

.bg-darken {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10,10,12,0.2) 0%, rgba(10,10,12,0.35) 50%, rgba(10,10,12,0.75) 100%);
  z-index: 2;
  pointer-events: none;
}

.bg-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, transparent 35%, rgba(0,0,0,0.45) 100%);
  z-index: 3;
  pointer-events: none;
}

.bg-tint-red {
  position: absolute;
  top: -10%;
  left: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, var(--red-glow), transparent 70%);
  mix-blend-mode: screen;
  opacity: 0.35;
  filter: blur(40px);
  z-index: 2;
  pointer-events: none;
  animation: drift-red 24s ease-in-out infinite alternate;
}

.bg-tint-blue {
  position: absolute;
  bottom: -10%;
  right: -10%;
  width: 65%;
  height: 65%;
  background: radial-gradient(circle, var(--blue-glow), transparent 70%);
  mix-blend-mode: screen;
  opacity: 0.32;
  filter: blur(50px);
  z-index: 2;
  pointer-events: none;
  animation: drift-blue 28s ease-in-out infinite alternate;
}

@keyframes drift-red {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(8%, 6%) scale(1.15); }
}
@keyframes drift-blue {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-6%, -8%) scale(1.1); }
}

.bg-scanline {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    180deg,
    rgba(255,255,255,0.012) 0px,
    rgba(255,255,255,0.012) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
  z-index: 4;
  pointer-events: none;
}

.bg-grain {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='300' height='300'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/></svg>");
  opacity: 0.08;
  mix-blend-mode: overlay;
  z-index: 5;
  pointer-events: none;
}

.bg-shield {
  position: absolute;
  inset: 0;
  z-index: 6;
  pointer-events: auto;
  background: transparent;
  touch-action: pan-y;
}

/* ============================================================
   TOPBAR — logo izq + iconos RRSS der
   ============================================================ */
.topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  padding: clamp(20px, 3vw, 32px) var(--pad-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.topbar-mark {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(13px, 1.05vw, 15px);
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--red);
  padding-left: 0.42em;
  transition: opacity var(--dur-mid) var(--ease-cine);
}
.topbar-mark:hover { opacity: 0.75; }

.topbar-social {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.6vw, 22px);
}
.topbar-social li { display: inline-flex; }

.topbar-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--ink);
  opacity: 0.78;
  transition:
    opacity var(--dur-mid) var(--ease-cine),
    transform var(--dur-mid) var(--ease-cine),
    color var(--dur-mid) var(--ease-cine);
}
.topbar-social a:hover {
  opacity: 1;
  transform: translateY(-1px);
}
.topbar-social a:focus-visible {
  outline: none;
  opacity: 1;
}

.icon {
  display: block;
  width: 18px;
  height: 18px;
  color: currentColor;
  stroke: currentColor;
  fill: none;
  vector-effect: non-scaling-stroke;
}

/* ============================================================
   HERO CONTENT
   ============================================================ */
.hero-content {
  position: relative;
  z-index: 10;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 var(--pad-x);
  pointer-events: none;
}
.hero-content > * { pointer-events: auto; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 clamp(28px, 5vh, 56px) 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--ink-dim);
  opacity: 0;
  animation: fade-up 1.2s var(--ease-cine) 0.2s forwards;
}

.hero-artist {
  margin: 0;
  font-family: "Bodoni Moda", "Didot", "Times New Roman", serif;
  font-weight: 400;
  font-size: clamp(28px, 4.5vw, 48px);
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--ink);
  padding-left: 0.5em;
  text-shadow: 0 0 60px rgba(0,0,0,0.6);
  font-feature-settings: "kern" 1, "liga" 0;
  opacity: 0;
  animation: fade-up 1.2s var(--ease-cine) 0.4s forwards;
}

.hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(56px, 13vw, 180px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-shadow:
    0 0 80px rgba(0,0,0,0.5),
    0 0 40px rgba(225,11,26,0.08);
  opacity: 0;
  animation: fade-up 1.4s var(--ease-cine) 0.8s forwards;
}
.hero-title em {
  font-style: italic;
  font-variation-settings: "opsz" 144;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- Botones limpios: solo palabras, sin líneas decorativas ---- */
.hero-actions {
  margin-top: clamp(32px, 6vh, 56px);
  display: flex;
  gap: clamp(28px, 4vw, 56px);
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  opacity: 0;
  animation: fade-up 1.4s var(--ease-cine) 1.4s forwards;
}

.btn-word {
  position: relative;
  display: inline-block;
  padding: 10px 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--ink);
  cursor: pointer;
  transition:
    color var(--dur-mid) var(--ease-cine),
    transform var(--dur-mid) var(--ease-cine),
    text-shadow var(--dur-mid) var(--ease-cine);
}

/* Subrayado animado que crece desde el centro al hacer hover */
.btn-word::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 0;
  height: 1px;
  background: currentColor;
  transform: translateX(-50%);
  transition:
    width var(--dur-mid) var(--ease-cine),
    background var(--dur-mid) var(--ease-cine),
    box-shadow var(--dur-mid) var(--ease-cine);
  pointer-events: none;
}

.btn-word:hover { transform: translateY(-2px); }
.btn-word:hover::after { width: 60%; }

/* Acento rojo (Spotify) */
.btn-word[data-glow="red"]:hover {
  color: var(--ink);
  text-shadow: 0 0 22px var(--red-glow);
}
.btn-word[data-glow="red"]:hover::after {
  background: var(--red);
  box-shadow: 0 0 12px var(--red-glow);
}

/* Acento azul (Videoclip) */
.btn-word[data-glow="blue"]:hover {
  color: var(--ink);
  text-shadow: 0 0 22px var(--blue-glow);
}
.btn-word[data-glow="blue"]:hover::after {
  background: var(--blue);
  box-shadow: 0 0 12px var(--blue-glow);
}

.btn-word:focus-visible {
  outline: none;
  text-shadow: 0 0 20px rgba(255,255,255,0.5);
}
.btn-word:focus-visible::after {
  width: 60%;
  background: currentColor;
}

/* ---- Scroll hint ---- */
.scroll-hint {
  position: absolute;
  bottom: clamp(20px, 4vh, 36px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--ink-dim);
  opacity: 0;
  animation: fade-up 1.4s var(--ease-cine) 1.8s forwards;
}
.scroll-hint-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(180deg, var(--ink-faint), transparent);
  position: relative;
  overflow: hidden;
}
.scroll-hint-line::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 30%;
  background: var(--ink);
  animation: scroll-drip 2.4s var(--ease-cine) infinite;
}
@keyframes scroll-drip {
  0%   { transform: translateY(-100%); opacity: 0; }
  40%  { opacity: 1; }
  100% { transform: translateY(340%); opacity: 0; }
}

/* ============================================================
   FRASE CENTRAL
   ============================================================ */
.frase {
  position: relative;
  padding: clamp(120px, 18vh, 200px) var(--pad-x);
  text-align: center;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(80% 50% at 50% 50%, #0d0d11 0%, var(--bg) 80%);
}

.frase-aura {
  position: absolute;
  top: 50%;
  width: 60vw;
  max-width: 700px;
  height: 60vw;
  max-height: 700px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.25;
  z-index: 0;
  transform: translateY(-50%);
  pointer-events: none;
}
.frase-aura-red {
  left: -15vw;
  background: radial-gradient(circle, var(--red) 0%, transparent 60%);
}
.frase-aura-blue {
  right: -15vw;
  background: radial-gradient(circle, var(--blue) 0%, transparent 60%);
}

.frase-meta {
  position: relative;
  z-index: 1;
  margin: 0 0 clamp(40px, 6vh, 64px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.frase-text {
  position: relative;
  z-index: 1;
  margin: 0 auto;
  max-width: 1100px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(36px, 7.5vw, 110px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--ink);
  quotes: none;
}
.frase-text em {
  font-style: italic;
  font-variation-settings: "opsz" 144;
}
.word-red {
  color: var(--red);
  text-shadow: 0 0 40px var(--red-glow);
}
.word-blue {
  color: var(--blue);
  text-shadow: 0 0 40px var(--blue-glow);
}

.frase-credit {
  position: relative;
  z-index: 1;
  margin: clamp(48px, 8vh, 80px) 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ============================================================
   CARDS — sin numeración, sin flechas
   ============================================================ */
.cards-section {
  position: relative;
  z-index: 1;
  padding: clamp(80px, 12vh, 140px) var(--pad-x) clamp(80px, 12vh, 140px);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(14px, 1.6vw, 24px);
  max-width: 1400px;
  margin: 0 auto;
}

.card {
  position: relative;
  display: block;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  color: var(--ink);
  isolation: isolate;
  transition:
    transform var(--dur-slow) var(--ease-cine),
    box-shadow var(--dur-slow) var(--ease-cine);
  background: #0d0d11;
}

.cards .card:nth-child(2) { transform: translateY(24px); }
.cards .card:nth-child(2):hover { transform: translateY(20px); }

.card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: grayscale(0.4) contrast(1.05) brightness(0.55);
  transition:
    transform 1.2s var(--ease-cine),
    filter 1.2s var(--ease-cine);
  z-index: 0;
}

.card-tint {
  position: absolute;
  inset: 0;
  z-index: 1;
  transition: opacity var(--dur-slow) var(--ease-cine);
}
.card--red .card-tint {
  background:
    linear-gradient(180deg, transparent 50%, rgba(10,10,12,0.9) 100%),
    linear-gradient(155deg, var(--red-glow), transparent 60%);
}
.card--blue .card-tint {
  background:
    linear-gradient(180deg, transparent 50%, rgba(10,10,12,0.9) 100%),
    linear-gradient(155deg, var(--blue-glow), transparent 60%);
}
.card--neutral .card-tint {
  background:
    linear-gradient(180deg, transparent 50%, rgba(10,10,12,0.9) 100%),
    linear-gradient(155deg, rgba(255,255,255,0.06), transparent 60%);
}

.card-grain {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='1.1' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/></svg>");
  opacity: 0.12;
  mix-blend-mode: overlay;
  pointer-events: none;
}

.card-content {
  position: relative;
  z-index: 3;
  height: 100%;
  padding: clamp(20px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
}

.card-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.card-sub {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-dim);
  transition: color var(--dur-mid) var(--ease-cine);
}

.card:hover .card-bg {
  transform: scale(1.06);
  filter: grayscale(0.1) contrast(1.08) brightness(0.7);
}
.card:hover .card-tint { opacity: 0.7; }

.card--red:hover    { box-shadow: 0 30px 80px -20px var(--red-glow); }
.card--blue:hover   { box-shadow: 0 30px 80px -20px var(--blue-glow); }
.card--neutral:hover{ box-shadow: 0 30px 80px -20px rgba(255,255,255,0.08); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  position: relative;
  z-index: 2;
  padding: clamp(80px, 12vh, 140px) var(--pad-x) clamp(48px, 7vh, 72px);
  background: var(--bg);
  opacity: 1 !important;
  transform: none !important;
}

.footer-line {
  position: absolute;
  top: 0;
  left: var(--pad-x);
  right: var(--pad-x);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ink-faint), transparent);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(32px, 5vh, 52px);
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
}

.footer-mark {
  font-family: "Bodoni Moda", "Didot", "Times New Roman", serif;
  font-weight: 400;
  font-size: clamp(14px, 1.1vw, 16px);
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--ink);
  padding-left: 0.42em;
  transition: color var(--dur-mid) var(--ease-cine);
}
.footer-mark:hover { color: var(--red); }

.footer-social {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(28px, 4vw, 56px);
  flex-wrap: wrap;
}
.footer-social li { display: inline-flex; }

.footer-social a {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  opacity: 0.7;
  transition:
    opacity var(--dur-mid) var(--ease-cine),
    transform var(--dur-mid) var(--ease-cine);
}
.footer-social a .icon {
  width: 22px;
  height: 22px;
}
.footer-social-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: inherit;
}
.footer-social a:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.footer-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 1.2s var(--ease-cine),
    transform 1.2s var(--ease-cine);
  will-change: opacity, transform;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .cards { grid-template-columns: 1fr; gap: 16px; }
  .cards .card { aspect-ratio: 16 / 10; }
  .cards .card:nth-child(2) { transform: translateY(0); }
  .cards .card:nth-child(2):hover { transform: translateY(-2px); }

  .topbar-social { gap: 12px; }
  .topbar-social a { width: 30px; height: 30px; }
  .icon { width: 17px; height: 17px; }
}

@media (max-width: 600px) {
  .hero { min-height: 560px; }

  .hero-artist { letter-spacing: 0.35em; }
  .hero-title { letter-spacing: -0.02em; }

  .hero-actions {
    flex-direction: column;
    gap: 22px;
    align-items: center;
    width: 100%;
    margin-top: clamp(36px, 7vh, 56px);
  }

  .frase { padding: 100px var(--pad-x); }
  .frase-aura { filter: blur(70px); opacity: 0.18; }

  .topbar {
    padding: 16px var(--pad-x);
    gap: 12px;
  }
  .topbar-mark { font-size: 11px; letter-spacing: 0.32em; }
  .topbar-social { gap: 8px; }
  .topbar-social a { width: 28px; height: 28px; }
  .icon { width: 16px; height: 16px; }

  .footer-social { gap: 28px; }
  .footer-social a .icon { width: 20px; height: 20px; }
}

@media (max-width: 420px) {
  .hero-artist { font-size: 22px; letter-spacing: 0.3em; padding-left: 0.3em; }
  .topbar-social { gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .scroll-hint-line::after { display: none; }
}