/*
Theme Name: SV666 Lane Hall
Theme URI: https://sv666vn.one/
Author: SV666
Description: Giao diện độc lập cho SV666 với thanh điều hướng dọc, ba dải sảnh ngang và trải nghiệm ưu tiên di động.
Version: 2.0.0
Requires at least: 6.4
Requires PHP: 8.1
Text Domain: sv666-lane-hall
*/

:root {
  --sv-navy: #071b3a;
  --sv-navy-2: #0b2852;
  --sv-cyan: #18d2d1;
  --sv-orange: #ff9d3d;
  --sv-ink: #071120;
  --sv-paper: #f5f7ff;
  --sv-muted: #a8b9ce;
  --sv-line: rgba(255, 255, 255, 0.13);
  --sv-panel: rgba(10, 38, 78, 0.78);
  --sv-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  --sv-radius: 28px;
  --sv-rail: 98px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  padding-left: var(--sv-rail);
  color: var(--sv-paper);
  background:
    radial-gradient(circle at 18% 8%, rgba(24, 210, 209, 0.16), transparent 31rem),
    radial-gradient(circle at 90% 24%, rgba(255, 157, 61, 0.14), transparent 28rem),
    linear-gradient(145deg, #041126, var(--sv-navy) 48%, #06172e);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.68;
  text-rendering: optimizeLegibility;
}

body.sv-modal-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--sv-cyan); text-decoration-thickness: 0.08em; text-underline-offset: 0.22em; }
a:hover { color: #75f3ef; }
button, input, textarea, select { font: inherit; }
:focus-visible { outline: 3px solid var(--sv-orange); outline-offset: 4px; }
.screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 9999;
  top: 12px;
  left: 112px;
  transform: translateY(-180%);
  padding: 0.7rem 1rem;
  color: var(--sv-ink);
  background: var(--sv-paper);
  border-radius: 999px;
}
.skip-link:focus { transform: translateY(0); }

.site-rail {
  position: fixed;
  z-index: 80;
  inset: 0 auto 0 0;
  width: var(--sv-rail);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0.65rem;
  background: rgba(3, 15, 34, 0.94);
  border-right: 1px solid var(--sv-line);
  backdrop-filter: blur(18px);
}

.rail-brand { display: block; width: 74px; padding: 0.2rem; }
.rail-brand img { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; object-position: left center; }
.rail-toggle {
  display: none;
  width: 44px;
  height: 44px;
  color: var(--sv-paper);
  background: var(--sv-navy-2);
  border: 1px solid var(--sv-line);
  border-radius: 14px;
}
.rail-nav { width: 100%; min-height: 0; overflow-y: auto; scrollbar-width: thin; }
.rail-nav ul { display: grid; gap: 0.45rem; margin: 0; padding: 0; list-style: none; }
.rail-nav a {
  display: grid;
  place-items: center;
  min-height: 54px;
  padding: 0.45rem 0.25rem;
  color: var(--sv-muted);
  text-align: center;
  text-decoration: none;
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1.15;
  border: 1px solid transparent;
  border-radius: 16px;
}
.rail-nav a::before {
  content: attr(data-mark);
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-bottom: 0.25rem;
  color: var(--sv-ink);
  background: linear-gradient(135deg, var(--sv-cyan), #8df7ef);
  border-radius: 9px;
  font-size: 0.68rem;
}
.rail-nav a:hover,
.rail-nav .current-menu-item > a,
.rail-nav a[aria-current="page"] {
  color: var(--sv-paper);
  background: rgba(24, 210, 209, 0.1);
  border-color: rgba(24, 210, 209, 0.35);
}
.rail-age {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-top: auto;
  color: var(--sv-paper);
  border: 1px solid rgba(255, 157, 61, 0.55);
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 900;
}

.site-frame { min-height: 100vh; overflow: clip; }
.site-main { width: min(100%, 1680px); margin-inline: auto; }
.content-shell { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }

.hero {
  position: relative;
  min-height: max(720px, 92svh);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.42fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 6rem);
  padding: clamp(6rem, 11vw, 10rem) max(1.2rem, 6vw) clamp(8rem, 14vw, 12rem);
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 11, 27, 0.98) 0%, rgba(4, 17, 38, 0.82) 45%, rgba(4, 17, 38, 0.16) 78%),
    linear-gradient(0deg, rgba(3, 14, 31, 0.96), transparent 48%),
    var(--hero-image, none) center / cover no-repeat;
}
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: auto 0 0;
  height: 210px;
  background: linear-gradient(transparent, var(--sv-navy));
}
.hero-copy { max-width: 820px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1rem;
  color: var(--sv-cyan);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 30px; height: 3px; background: var(--sv-orange); border-radius: 999px; }
h1, h2, h3 { line-height: 1.12; text-wrap: balance; overflow-wrap: normal; word-break: normal; hyphens: none; }
.hero h1, .page-hero h1 { margin: 0; font-size: clamp(2.55rem, 6.4vw, 6rem); letter-spacing: -0.055em; }
.hero-summary, .page-hero-summary { max-width: 720px; margin: 1.35rem 0 0; color: #d9e6f4; font-size: clamp(1.02rem, 1.5vw, 1.25rem); }
.hero-signals { display: flex; flex-wrap: wrap; gap: 0.55rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }
.hero-signals li { padding: 0.48rem 0.82rem; color: #eefcff; background: rgba(5, 21, 47, 0.58); border: 1px solid rgba(117, 243, 239, 0.26); border-radius: 999px; backdrop-filter: blur(10px); font-size: 0.72rem; font-weight: 900; letter-spacing: 0.07em; text-transform: uppercase; }
.hero-actions, .cta-row { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.78rem 1.25rem;
  color: var(--sv-ink);
  background: linear-gradient(135deg, var(--sv-orange), #ffd06a);
  border: 0;
  border-radius: 999px;
  box-shadow: 0 12px 34px rgba(255, 157, 61, 0.22);
  text-decoration: none;
  font-weight: 900;
}
.button:hover { color: var(--sv-ink); transform: translateY(-2px); }
.button--outline { color: var(--sv-paper); background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.26); box-shadow: none; }
.button--outline:hover { color: var(--sv-paper); background: rgba(24, 210, 209, 0.12); }
.hero-mark { align-self: end; margin-bottom: 1.5rem; padding: 1.2rem; background: rgba(4, 17, 38, 0.5); border: 1px solid rgba(255, 255, 255, 0.18); border-radius: 28px; backdrop-filter: blur(16px); box-shadow: var(--sv-shadow); }
.hero-mark img { width: min(100%, 420px); filter: drop-shadow(0 26px 38px rgba(0, 0, 0, 0.4)); }

.quick-strip {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0.9rem;
  margin: -92px max(1rem, 5vw) 2rem;
  overflow: visible;
  background: transparent;
  border: 0;
}
.quick-strip a { position: relative; min-height: 270px; display: block; grid-column: span 3; overflow: hidden; color: var(--sv-paper); background: #071b3a; border: 1px solid rgba(255, 255, 255, 0.18); border-radius: 24px; box-shadow: var(--sv-shadow); text-decoration: none; isolation: isolate; }
.quick-strip a:first-child { grid-column: span 4; }
.quick-strip a:nth-child(2), .quick-strip a:nth-child(3) { grid-column: span 3; }
.quick-strip a:last-child { grid-column: span 2; }
.quick-strip a::after { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(0deg, rgba(2, 11, 27, 0.98) 0%, rgba(3, 16, 36, 0.58) 48%, rgba(3, 16, 36, 0.05) 82%); }
.quick-strip__media { position: absolute; z-index: -2; inset: 0; }
.quick-strip__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.quick-strip a:hover .quick-strip__media img, .quick-strip a:focus-visible .quick-strip__media img { transform: scale(1.055); }
.quick-strip__copy { position: absolute; inset: auto 0 0; display: block; padding: 1.25rem; }
.quick-strip__copy small { display: block; margin-bottom: 0.4rem; color: var(--sv-cyan); font-size: 0.68rem; font-weight: 900; letter-spacing: 0.09em; text-transform: uppercase; }
.quick-strip__copy strong { display: block; margin-bottom: 0.35rem; font-size: clamp(1.2rem, 1.8vw, 1.65rem); line-height: 1.05; }
.quick-strip__copy > span { display: block; color: #d6e5f2; font-size: 0.86rem; line-height: 1.45; }

.lane-section { padding: clamp(3.2rem, 7vw, 7rem) 0; }
.lane-section + .lane-section { border-top: 1px solid var(--sv-line); }
.lane-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, 0.55fr); align-items: end; gap: 2rem; margin-bottom: 1.8rem; }
.lane-heading h2 { max-width: 18ch; margin: 0; font-size: clamp(2rem, 4.4vw, 4rem); letter-spacing: -0.045em; }
.lane-heading p { margin: 0; color: var(--sv-muted); }
.lane-section .content-shell > p { max-width: 72ch; color: #d6e2ef; }
.lane-scroll { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(320px, 40vw); gap: 1rem; overflow-x: auto; padding: 0 0.25rem 1.2rem; scroll-snap-type: x mandatory; scrollbar-color: var(--sv-cyan) transparent; }
.lane-card {
  min-height: 330px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.35rem;
  color: var(--sv-paper);
  background: linear-gradient(155deg, rgba(17, 54, 103, 0.93), rgba(5, 25, 55, 0.96));
  border: 1px solid var(--sv-line);
  border-radius: var(--sv-radius);
  box-shadow: var(--sv-shadow);
  scroll-snap-align: start;
}
.lane-card h3 { margin: 0 0 0.55rem; font-size: 1.45rem; }
.lane-card p { margin: 0; color: #c9d8e9; }
.lane-card a { margin-top: 1.1rem; font-weight: 800; }
.lane-card--image { position: relative; min-height: 390px; padding: 0; isolation: isolate; overflow: hidden; }
.lane-card__media { position: absolute; z-index: -2; inset: 0; }
.lane-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.lane-card--image::after { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(transparent 12%, rgba(3, 17, 38, 0.42) 42%, rgba(3, 17, 38, 0.98) 88%); }
.lane-card--image:hover .lane-card__media img { transform: scale(1.045); }
.lane-card__body { position: relative; z-index: 1; display: flex; min-height: 100%; flex: 1; flex-direction: column; justify-content: flex-end; padding: 1.45rem; }

.content-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.content-card, .step-list li, .compare-panel, .notice-panel {
  padding: 1.35rem;
  background: var(--sv-panel);
  border: 1px solid var(--sv-line);
  border-radius: 22px;
}
.content-card h3, .compare-panel h3 { margin: 0 0 0.65rem; font-size: 1.25rem; }
.content-card p, .compare-panel p { margin: 0; color: #cad9e9; }
.content-card a { display: inline-flex; margin-top: 1rem; font-weight: 800; }
.content-card--visual { position: relative; min-height: 340px; display: flex; padding: 0; overflow: hidden; isolation: isolate; }
.content-card__media { position: absolute; z-index: -2; inset: 0; }
.content-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.content-card--visual::after { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(transparent 10%, rgba(3, 17, 38, 0.5) 45%, rgba(3, 17, 38, 0.98) 88%); }
.content-card--visual:hover .content-card__media img { transform: scale(1.045); }
.content-card__body { position: relative; z-index: 1; display: flex; min-height: 100%; flex: 1; flex-direction: column; justify-content: flex-end; padding: 1.4rem; }
.step-list { display: grid; gap: 0.8rem; margin: 1.5rem 0 0; padding: 0; list-style: none; counter-reset: lane-step; }
.step-list li { position: relative; padding-left: 4.6rem; counter-increment: lane-step; }
.step-list li::before { content: counter(lane-step, decimal-leading-zero); position: absolute; top: 1rem; left: 1.1rem; color: var(--sv-orange); font-weight: 950; font-size: 1.3rem; }
.check-list { display: grid; gap: 0.7rem; margin: 1.2rem 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 1.9rem; color: #d7e5f4; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--sv-cyan); font-weight: 900; }
.compare-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.notice-panel { border-color: rgba(255, 157, 61, 0.38); background: rgba(255, 157, 61, 0.08); }
.notice-panel strong { color: #ffd58d; }
.media-panel { overflow: hidden; margin: 1.8rem 0 0; border: 1px solid var(--sv-line); border-radius: var(--sv-radius); background: var(--sv-navy-2); }
.media-panel img { width: 100%; max-height: 560px; object-fit: cover; }
.media-panel figcaption { padding: 0.8rem 1rem; color: var(--sv-muted); font-size: 0.88rem; }

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.7fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  min-height: 520px;
  padding: clamp(4rem, 8vw, 7rem) max(1.2rem, 5vw) 3rem;
  border-bottom: 1px solid var(--sv-line);
}
.page-hero h1 { font-size: clamp(2.4rem, 5.5vw, 5.2rem); }
.page-hero-media { overflow: hidden; border: 1px solid var(--sv-line); border-radius: 32px; box-shadow: var(--sv-shadow); }
.page-hero-media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.page-body { padding-bottom: 5rem; }
.page-body > .lane-section:first-child { padding-top: 4rem; }

.faq-list { display: grid; gap: 0.75rem; }
.faq-list details { background: rgba(9, 40, 81, 0.82); border: 1px solid var(--sv-line); border-radius: 18px; }
.faq-list summary { cursor: pointer; padding: 1rem 3rem 1rem 1.1rem; font-weight: 850; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; float: right; margin-right: -1.8rem; color: var(--sv-cyan); font-size: 1.35rem; }
.faq-list details[open] summary::after { content: "−"; }
.faq-answer { padding: 0 1.1rem 1.1rem; color: #cad9e9; }
.faq-answer p { margin: 0; }

.site-footer { padding: 3rem max(1.2rem, 5vw) 2rem; color: var(--sv-muted); background: rgba(3, 15, 34, 0.78); border-top: 1px solid var(--sv-line); }
.footer-grid { display: grid; grid-template-columns: minmax(260px, 1fr) 2fr; gap: 2rem; align-items: start; }
.footer-brand img { width: min(280px, 100%); }
.footer-brand p { max-width: 520px; }
.footer-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.65rem 1.5rem; margin: 0; padding: 0; list-style: none; }
.footer-links a { color: #d7e5f4; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--sv-line); font-size: 0.84rem; }

.popup-overlay {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgba(2, 8, 22, 0.79);
  backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 220ms ease, visibility 220ms ease;
}
.popup-overlay.is-open { opacity: 1; visibility: visible; }
.promo-dialog { position: relative; width: min(520px, 94vw); max-height: 94vh; display: grid; justify-items: center; padding: 1.2rem 1.2rem 1.5rem; overflow: auto; border: 1px solid rgba(255, 255, 255, 0.16); border-radius: 30px; background: #071025; box-shadow: 0 40px 100px rgba(0, 0, 0, 0.58); transform: translateY(24px) scale(0.97); transition: transform 240ms ease; }
.popup-overlay.is-open .promo-dialog { transform: translateY(0) scale(1); }
.promo-close { position: absolute; z-index: 5; top: 0.8rem; right: 0.8rem; width: 44px; height: 44px; color: white; background: rgba(5, 17, 39, 0.82); border: 2px solid white; border-radius: 50%; cursor: pointer; font-size: 1.7rem; line-height: 1; }
.promo-art { position: relative; width: min(420px, 84vw); aspect-ratio: 1 / 1; }
.promo-art img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.promo-coins { animation: sv-float 2.8s ease-in-out infinite alternate; }
.promo-copy { animation: sv-pulse 1.7s ease-in-out infinite alternate; }
.promo-cta { min-width: 230px; margin-top: -1rem; }
@keyframes sv-float { from { transform: translateY(-4px) rotate(-1deg); } to { transform: translateY(9px) rotate(1deg); } }
@keyframes sv-pulse { from { transform: scale(0.985); } to { transform: scale(1.018); } }

.not-found { min-height: 70vh; display: grid; place-items: center; padding: 4rem 1rem; text-align: center; }

@media (max-width: 1050px) {
  :root { --sv-rail: 0px; }
  body { padding-left: 0; }
  .site-rail { position: sticky; inset: 0 0 auto; width: 100%; min-height: 72px; flex-direction: row; padding: 0.55rem 0.75rem; border-right: 0; border-bottom: 1px solid var(--sv-line); }
  .rail-brand { width: 118px; height: 54px; padding: 0; overflow: hidden; }
  .rail-brand img { width: 150px; height: 54px; aspect-ratio: auto; object-fit: contain; object-position: left center; }
  .rail-toggle { display: grid; place-items: center; margin-left: auto; }
  .rail-nav { position: absolute; top: 100%; right: 0.75rem; left: 0.75rem; display: none; width: auto; max-height: 70vh; padding: 0.75rem; background: #06172e; border: 1px solid var(--sv-line); border-radius: 20px; box-shadow: var(--sv-shadow); }
  .rail-nav.is-open { display: block; }
  .rail-nav ul { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rail-nav a { display: flex; justify-content: flex-start; gap: 0.6rem; padding-inline: 0.8rem; text-align: left; }
  .rail-nav a::before { margin: 0; flex: 0 0 auto; }
  .rail-age { margin: 0 0 0 0.3rem; flex: 0 0 auto; }
  .skip-link { left: 14px; }
  .hero { min-height: 640px; grid-template-columns: 1fr; padding-top: 5rem; }
  .hero-mark { display: none; }
  .quick-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: -70px; }
  .quick-strip a:nth-child(n) { grid-column: auto; }
  .page-hero { grid-template-columns: 1fr; min-height: auto; }
  .page-hero-media { max-width: 660px; }
}

@media (max-width: 760px) {
  .hero { min-height: max(660px, 92svh); align-items: end; padding: 7rem 1rem 8.5rem; }
  .hero::before { background: linear-gradient(0deg, rgba(4, 17, 38, 0.98) 12%, rgba(4, 17, 38, 0.72) 74%), var(--hero-image, none) center / cover no-repeat; }
  .hero h1, .page-hero h1 { max-width: 13ch; font-size: clamp(2.25rem, 11vw, 3.45rem); }
  .hero-summary { max-width: 38ch; line-height: 1.58; }
  .quick-strip { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: minmax(78vw, 1fr); gap: 0.75rem; margin: -72px 0.5rem 2rem; padding: 0 0.5rem 0.8rem; overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: inline mandatory; scrollbar-width: none; }
  .quick-strip::-webkit-scrollbar { display: none; }
  .quick-strip a:nth-child(n) { min-height: 310px; grid-column: auto; scroll-snap-align: start; }
  .lane-heading { grid-template-columns: 1fr; gap: 0.8rem; }
  .lane-heading h2 { font-size: clamp(2rem, 10vw, 3rem); line-height: 1.08; }
  .lane-scroll { grid-auto-columns: minmax(84vw, 1fr); }
  .content-grid, .compare-grid, .footer-grid { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 430px) {
  .rail-nav ul { grid-template-columns: 1fr; }
  .hero-actions .button, .cta-row .button { width: 100%; }
  .quick-strip { margin-inline: 0.75rem; }
  .page-hero { padding-top: 3.2rem; }
  .promo-dialog { padding-inline: 0.6rem; border-radius: 22px; }
  .promo-cta { width: calc(100% - 1rem); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}