/* Anime Việt Hub — bold diagonal / collage layout */

@import url("https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:ital,wght@0,400;0,600;0,700;1,400&display=swap");

:root {
  --ink: #06040a;
  --panel: #110d18;
  --glass: rgba(255, 255, 255, 0.06);
  --text: #f4f0ff;
  --muted: #9b8fb8;
  --hot: #ff2d6a;
  --cyan: #00f0ff;
  --lime: #b8ff3c;
  --violet: #8b5cf6;
  --font-display: "Bebas Neue", sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --skew: -6deg;
  --ease: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--ink);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ambient */
.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}

.glow-a {
  width: 55vw;
  height: 55vw;
  top: -15%;
  right: -10%;
  background: radial-gradient(circle, rgba(255, 45, 106, 0.35), transparent 70%);
}

.glow-b {
  width: 45vw;
  height: 45vw;
  bottom: 10%;
  left: -15%;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.2), transparent 70%);
}

.skip-link {
  position: fixed;
  left: -999px;
  top: 0;
  z-index: 9999;
  padding: 0.75rem 1rem;
  background: var(--hot);
  color: #000;
  font-weight: 700;
}

.skip-link:focus {
  left: 0;
}

/* —— Floating dock nav —— */
.dock {
  position: fixed;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%) skewY(var(--skew));
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.85rem 0.5rem;
  background: var(--glass);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  box-shadow: 0 0 40px rgba(255, 45, 106, 0.15);
}

.dock-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.65rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--ease), background var(--ease);
  transform: skewY(calc(var(--skew) * -1));
}

.dock-link span {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--hot);
  opacity: 0.6;
}

.dock-link:hover,
.dock-link.is-active {
  color: var(--text);
  background: rgba(255, 45, 106, 0.2);
}

.dock-link.is-active span {
  opacity: 1;
}

/* —— Main stream —— */
.stream {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 3rem) 5rem;
  padding-right: clamp(4.5rem, 8vw, 6rem);
}

.slice {
  padding: clamp(3rem, 8vw, 6rem) 0;
  position: relative;
}

.slice-label {
  font-family: var(--font-display);
  font-size: clamp(0.85rem, 2vw, 1rem);
  letter-spacing: 0.2em;
  color: var(--hot);
  margin-bottom: 1.5rem;
  transform: skewX(-8deg);
}

/* —— Hero: diagonal mega type + collage —— */
.slice-hero {
  min-height: 92vh;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  grid-template-rows: 1fr auto;
  gap: 2rem;
  align-items: center;
  padding-top: 2rem;
}

.hero-mega {
  grid-column: 1;
  grid-row: 1;
  z-index: 2;
}

.stamp {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--lime);
  border: 1px solid var(--lime);
  padding: 0.35rem 0.75rem;
  margin-bottom: 1.5rem;
  transform: rotate(-2deg);
}

.mega-title {
  font-family: var(--font-display);
  line-height: 0.92;
  margin-bottom: 1.25rem;
}

.mega-title .line {
  display: block;
  font-size: clamp(3.2rem, 11vw, 7rem);
  letter-spacing: 0.02em;
}

.mega-title .accent {
  color: var(--hot);
  text-shadow: 0 0 60px rgba(255, 45, 106, 0.5);
}

.mega-title .outline {
  -webkit-text-stroke: 2px var(--cyan);
  color: transparent;
}

.hero-lead {
  color: var(--muted);
  max-width: 38ch;
  font-size: 1.05rem;
  margin-bottom: 1.75rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.8rem 1.5rem;
  font-weight: 700;
  font-size: 0.88rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--ease), box-shadow var(--ease);
}

.btn:hover {
  transform: translateY(-3px) scale(1.02);
  text-decoration: none;
}

.btn-neon {
  background: var(--hot);
  color: #fff;
  box-shadow: 0 0 30px rgba(255, 45, 106, 0.5);
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
}

.btn-wire {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 95% 100%, 5% 100%);
}

/* collage */
.hero-collage {
  grid-column: 2;
  grid-row: 1;
  position: relative;
  min-height: 420px;
  transform: skewY(-2deg);
}

.frame {
  position: absolute;
  overflow: hidden;
  background: var(--panel);
  border: 2px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

.frame img {
  min-height: 100%;
  transition: transform 0.6s ease;
}

.frame:hover img {
  transform: scale(1.06);
}

.frame-main {
  inset: 0 12% 0 0;
  clip-path: polygon(12% 0, 100% 4%, 88% 100%, 0 96%);
  z-index: 2;
}

.frame-tilt-l {
  width: 38%;
  height: 48%;
  left: -4%;
  bottom: -6%;
  transform: rotate(-8deg);
  z-index: 3;
  clip-path: polygon(0 8%, 100% 0, 92% 100%, 8% 92%);
}

.frame-tilt-r {
  width: 34%;
  height: 42%;
  right: -2%;
  top: -4%;
  transform: rotate(7deg);
  z-index: 1;
  clip-path: polygon(8% 0, 100% 12%, 88% 100%, 0 88%);
}

.hero-badge {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  z-index: 5;
  font-size: 0.68rem;
  font-weight: 700;
  background: var(--ink);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  padding: 0.35rem 0.6rem;
  transform: skewY(2deg);
}

.hero-metrics {
  grid-column: 1 / -1;
  grid-row: 2;
  list-style: none;
  display: flex;
  gap: clamp(1.5rem, 5vw, 4rem);
  flex-wrap: wrap;
  padding: 1.5rem 0;
  border-top: 2px dashed rgba(255, 255, 255, 0.12);
}

.hero-metrics em {
  display: block;
  font-family: var(--font-display);
  font-style: normal;
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--cyan);
  line-height: 1;
}

.hero-metrics span {
  font-size: 0.8rem;
  color: var(--muted);
}

/* —— About zigzag —— */
.zigzag {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 3rem;
  align-items: center;
}

.zigzag-text h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  letter-spacing: 0.03em;
  margin-bottom: 1rem;
  color: var(--lime);
}

.zigzag-text p {
  color: var(--muted);
  margin-bottom: 1rem;
}

.pill-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.pill-list li {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.3), rgba(255, 45, 106, 0.2));
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
}

.zigzag-media {
  position: relative;
  min-height: 380px;
}

.blob-frame {
  overflow: hidden;
  border: 3px solid var(--hot);
  background: var(--panel);
  min-height: 200px;
}

.blob-frame:first-child {
  clip-path: polygon(0 0, 100% 8%, 92% 100%, 8% 92%);
  width: 100%;
  aspect-ratio: 16 / 9;
}

.blob-offset {
  position: absolute;
  width: 55%;
  right: -5%;
  bottom: -12%;
  aspect-ratio: 1;
  clip-path: polygon(15% 0, 100% 15%, 85% 100%, 0 85%);
  border-color: var(--cyan);
  z-index: 2;
  box-shadow: -20px 20px 50px rgba(0, 0, 0, 0.4);
}

/* —— Explore orbit —— */
.head-block h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.04em;
}

.head-block p {
  color: var(--muted);
  margin-top: 0.35rem;
}

.head-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.orbit-wrap {
  margin-top: 2rem;
  background: linear-gradient(145deg, var(--panel) 0%, #1a1228 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.75rem;
  transform: skewY(-1deg);
  clip-path: polygon(0 0, 100% 2%, 100% 98%, 0 100%);
}

.orbit-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  transform: skewY(1deg);
}

.orbit-tab {
  background: var(--ink);
  border: 2px solid transparent;
  color: var(--muted);
  padding: 0.6rem 1.2rem;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  clip-path: polygon(6% 0, 100% 0, 94% 100%, 0 100%);
  transition: all var(--ease);
}

.orbit-tab.is-on,
.orbit-tab:hover {
  border-color: var(--cyan);
  color: var(--text);
  background: rgba(0, 240, 255, 0.1);
}

.orbit-stage {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.75rem;
  transform: skewY(1deg);
}

.orbit-visual {
  overflow: hidden;
  min-height: 280px;
  clip-path: polygon(0 5%, 100% 0, 100% 95%, 5% 100%);
  border: 2px solid var(--violet);
  background: var(--panel);
}

.orbit-panel h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 0.03em;
  margin-bottom: 0.75rem;
  color: var(--hot);
}

.orbit-panel p {
  color: var(--muted);
}

.orbit-panel.is-hidden {
  display: none;
}

/* —— Filmstrip gallery —— */
.gallery-hint {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.filmstrip {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 1rem 0 1.5rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--hot) var(--panel);
}

.filmstrip::-webkit-scrollbar {
  height: 6px;
}

.filmstrip::-webkit-scrollbar-thumb {
  background: var(--hot);
  border-radius: 3px;
}

.film-cell {
  flex: 0 0 clamp(220px, 32vw, 320px);
  scroll-snap-align: start;
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  transform: rotate(var(--rot, 0deg));
  border: 2px solid rgba(255, 255, 255, 0.15);
  background: var(--panel);
  transition: transform var(--ease);
}

.film-cell:nth-child(odd) {
  --rot: -2deg;
  margin-top: 1.5rem;
}

.film-cell:nth-child(even) {
  --rot: 2deg;
}

.film-cell:hover {
  transform: rotate(0deg) scale(1.03);
  z-index: 2;
  border-color: var(--lime);
}

.film-cell img {
  min-height: 100%;
}

/* loading state */
img.is-loading {
  opacity: 0.4;
  background: linear-gradient(110deg, var(--panel) 25%, #2a2038 50%, var(--panel) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s ease infinite;
}

img.is-loaded {
  opacity: 1;
  animation: none;
}

img.is-error {
  object-fit: contain;
  padding: 2rem;
  background: var(--panel);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* —— Article stack —— */
.card-stack {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: auto auto;
  gap: 1.5rem;
  margin-top: 2rem;
}

.stack-card {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  transition: transform var(--ease);
}

.stack-card:hover {
  transform: translateY(-6px);
  border-color: var(--hot);
}

.stack-featured {
  grid-row: span 2;
  clip-path: polygon(0 0, 100% 0, 100% 96%, 0 100%);
}

.stack-tilt-a {
  transform: rotate(-1.5deg);
}

.stack-tilt-b {
  transform: rotate(1.5deg);
}

.stack-img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--ink);
  min-height: 160px;
}

.stack-featured .stack-img {
  aspect-ratio: 16 / 9;
}

.stack-body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.stack-body time {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: 0.08em;
}

.stack-body h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  margin: 0.4rem 0 0.6rem;
}

.stack-body p {
  color: var(--muted);
  font-size: 0.92rem;
}

.arrow-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-weight: 700;
  color: var(--hot);
}

/* —— Contact —— */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  background: linear-gradient(120deg, rgba(139, 92, 246, 0.15), rgba(255, 45, 106, 0.08));
  padding: 2rem;
  clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  margin-bottom: 0.75rem;
}

.contact-info p {
  color: var(--muted);
}

.email-line {
  margin: 1.25rem 0;
  font-size: 1.1rem;
}

.email-line span {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.fine-print {
  font-size: 0.82rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.contact-form label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.contact-form input,
.contact-form textarea {
  background: var(--ink);
  border: 2px solid rgba(255, 255, 255, 0.1);
  padding: 0.7rem 0.9rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--cyan);
}

.form-msg {
  font-size: 0.85rem;
  color: var(--lime);
  min-height: 1.2em;
}

/* —— Legal & footer —— */
.slice-legal h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.slice-legal p {
  color: var(--muted);
  max-width: 65ch;
  margin-bottom: 0.6rem;
}

.foot {
  text-align: center;
  padding: 2rem 0;
  color: var(--muted);
  font-size: 0.85rem;
}

/* —— Responsive —— */
@media (max-width: 1024px) {
  .slice-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-collage {
    min-height: 360px;
    margin-top: 1rem;
  }

  .zigzag,
  .orbit-stage,
  .contact-grid,
  .card-stack {
    grid-template-columns: 1fr;
  }

  .stack-featured {
    grid-row: auto;
  }

  .blob-offset {
    position: relative;
    right: auto;
    bottom: auto;
    width: 70%;
    margin: -3rem auto 0;
  }

  .stack-tilt-a,
  .stack-tilt-b {
    transform: none;
  }
}

@media (max-width: 720px) {
  .dock {
    position: sticky;
    top: 0;
    right: auto;
    left: 0;
    transform: none;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    border-radius: 0;
    border-left: none;
    border-right: none;
    margin-bottom: 0;
  }

  .dock-link {
    transform: none;
    font-size: 0.62rem;
    padding: 0.35rem 0.5rem;
  }

  .dock-link span {
    display: none;
  }

  .stream {
    padding-right: clamp(1rem, 4vw, 3rem);
    padding-top: 0;
  }

  .frame-tilt-l,
  .frame-tilt-r {
    display: none;
  }

  .frame-main {
    inset: 0;
  }

  .orbit-wrap {
    transform: none;
    clip-path: none;
  }

  .orbit-tabs,
  .orbit-stage {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, .btn, .film-cell, .stack-card, .frame img {
    transition: none !important;
    animation: none !important;
  }
}