/* ============================================================
   蔚律之都 VERIDIAN CODEX — Official Website Styles
   ============================================================ */

@font-face {
  font-family: 'SourceHanSans';
  src: url('../fonts/SourceHanSansLite.ttf') format('truetype');
  font-weight: 300;
  font-display: swap;
}
@font-face {
  font-family: 'HYLiangPin';
  src: url('../fonts/HYLiangPin.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}

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

:root {
  --bg: #080c18;
  --bg2: #0b1024;
  --card: rgba(10, 16, 36, 0.92);
  --card-border: rgba(80, 160, 255, 0.08);
  --blue: #4db8ff;
  --blue-dim: rgba(77, 184, 255, 0.12);
  --purple: #9b7aff;
  --pink: #ff6b9d;
  --green: #5dcc8c;
  --cyan: #50c8e8;
  --text: #d8e2f0;
  --text-sub: #6878a0;
  --text-dim: #2e3a58;
  --font: 'SourceHanSans', 'Noto Sans SC', sans-serif;
  --font-ui: 'HYLiangPin', 'Noto Sans SC', sans-serif;
}

html { scroll-behavior: smooth; scrollbar-width: thin; scrollbar-color: var(--blue) var(--bg); }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 2px; }

body { font-family: var(--font); background: var(--bg); color: var(--text); overflow-x: hidden; line-height: 1.8; }
body > * { position: relative; z-index: 1; }

/* ========== SCROLL PROGRESS ========== */
.progress { position: fixed; top: 0; left: 0; height: 2px; background: linear-gradient(90deg, var(--blue), var(--purple), var(--pink)); z-index: 9999; width: 0; }

/* ========== FLOATING DECORATIONS ========== */
.bg-decor { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.diamond {
  position: absolute;
  border: 1px solid rgba(77, 184, 255, 0.04);
  transform: rotate(45deg);
  animation: floatDiamond linear infinite;
}
@keyframes floatDiamond {
  0% { opacity: 0; transform: rotate(45deg) translateY(60px); }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { opacity: 0; transform: rotate(45deg) translateY(-100vh); }
}
/* Data stream lines */
.data-stream {
  position: absolute;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(77, 184, 255, 0.08), transparent);
  animation: streamFlow linear infinite;
}
@keyframes streamFlow {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

/* ========== REVEAL SYSTEM ========== */
.rv { opacity: 0; transform: translateY(45px); transition: opacity 0.85s cubic-bezier(.23,1,.32,1), transform 0.85s cubic-bezier(.23,1,.32,1); }
.rv.v { opacity: 1; transform: none; }
.rv-l { opacity: 0; transform: translateX(-50px); transition: opacity 0.85s cubic-bezier(.23,1,.32,1), transform 0.85s cubic-bezier(.23,1,.32,1); }
.rv-l.v { opacity: 1; transform: none; }
.rv-r { opacity: 0; transform: translateX(50px); transition: opacity 0.85s cubic-bezier(.23,1,.32,1), transform 0.85s cubic-bezier(.23,1,.32,1); }
.rv-r.v { opacity: 1; transform: none; }
.rv-s { opacity: 0; transform: scale(0.93); transition: opacity 0.85s cubic-bezier(.23,1,.32,1), transform 0.85s cubic-bezier(.23,1,.32,1); }
.rv-s.v { opacity: 1; transform: none; }
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}
.d4{transition-delay:.4s}.d5{transition-delay:.5s}.d6{transition-delay:.6s}

/* ========== UTILITIES ========== */
.wrap { max-width: 1400px; margin: 0 auto; padding: 0 40px; }

/* Section Header */
.sec-hd { text-align: center; margin-bottom: 56px; position: relative; }
.sec-hd .en {
  display: inline-flex; align-items: center; gap: 16px;
  font-family: var(--font-ui);
  font-size: 13px; letter-spacing: 5px; color: var(--blue);
  margin-bottom: 10px;
}
.sec-hd .en::before, .sec-hd .en::after {
  content: ''; width: 40px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue));
  transition: width 0.8s cubic-bezier(.23,1,.32,1);
}
.sec-hd .en::after { background: linear-gradient(90deg, var(--blue), transparent); }
.sec-hd.v .en::before, .sec-hd.v .en::after { width: 60px; }
.sec-hd .en .dia {
  width: 6px; height: 6px;
  border: 1px solid var(--blue); transform: rotate(45deg); flex-shrink: 0;
  transition: transform 0.6s;
}
.sec-hd.v .en .dia { transform: rotate(225deg); }
.sec-hd h2 {
  font-family: var(--font-ui);
  font-size: clamp(28px, 5vw, 44px); font-weight: 400; line-height: 1.4;
}

/* ========== NAVIGATION ========== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 18px 0; transition: all 0.5s;
}
.nav.scrolled {
  background: rgba(8, 12, 24, 0.88);
  backdrop-filter: blur(20px); padding: 10px 0;
  border-bottom: 1px solid var(--card-border);
}
.nav-inner {
  max-width: 100%; margin: 0 auto; padding: 0 16px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo img { height: 40px; opacity: 0.85; transition: opacity 0.3s; }
.nav-logo:hover img { opacity: 1; }
.nav-links { display: flex; gap: 0; list-style: none; }
.nav-links a {
  color: var(--text-sub); text-decoration: none;
  font-family: var(--font-ui);
  font-size: 14px; padding: 8px 20px; letter-spacing: 1px;
  transition: color 0.3s; position: relative;
}
.nav-links a:hover, .nav-links a.act { color: var(--blue); }
.nav-links a::after {
  content: ''; position: absolute; bottom: 2px;
  left: 50%; transform: translateX(-50%) scaleX(0);
  width: 16px; height: 1px; background: var(--blue); transition: transform 0.3s;
}
.nav-links a:hover::after, .nav-links a.act::after { transform: translateX(-50%) scaleX(1); }
.mob-toggle {
  display: none; background: none; border: 1px solid var(--text-dim);
  color: var(--text-sub); padding: 6px 12px; font-size: 16px; cursor: pointer;
}

/* ========== HERO ========== */
.hero {
  position: relative; height: 100vh; min-height: 640px;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('../img/hero.jpg') center center / cover no-repeat;
  will-change: transform;
}
.hero-ov {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom,
    rgba(8,12,24,0) 0%, rgba(8,12,24,0) 55%,
    rgba(8,12,24,0.6) 80%, rgba(8,12,24,1) 100%
  );
}
.hero-content { position: relative; z-index: 2; text-align: center; margin-top: 20vh; }
.hero-logo {
  max-width: 560px; width: 50vw; margin-bottom: 32px;
  filter: drop-shadow(0 4px 50px rgba(77, 184, 255, 0.25));
  animation: logoIn 1.6s cubic-bezier(.23,1,.32,1) both;
}
@keyframes logoIn {
  from { opacity: 0; transform: translateY(35px) scale(0.96); filter: drop-shadow(0 0 0 transparent); }
  to { opacity: 1; transform: none; filter: drop-shadow(0 4px 50px rgba(77, 184, 255, 0.25)); }
}
.hero-sub {
  font-family: var(--font-ui);
  font-size: 13px; color: rgba(255,255,255,0.45); letter-spacing: 3px;
  margin-bottom: 36px; animation: fadeUp 1s ease .5s both;
}
.hero-cta {
  display: inline-block; padding: 13px 44px;
  border: 1px solid rgba(77,184,255,0.5); color: var(--blue);
  font-family: var(--font-ui);
  font-size: 14px; letter-spacing: 3px; text-decoration: none;
  transition: all 0.4s; animation: fadeUp 1s ease .7s both;
  position: relative; overflow: hidden;
}
.hero-cta::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(77,184,255,0.08), transparent);
  transform: translateX(-100%);
  animation: ctaSweep 3s ease-in-out 2s infinite;
}
@keyframes ctaSweep { 0%,100% { transform: translateX(-100%); } 50% { transform: translateX(100%); } }
.hero-cta:hover {
  background: rgba(77,184,255,0.1);
  box-shadow: 0 0 40px rgba(77,184,255,0.15), inset 0 0 20px rgba(77,184,255,0.05);
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }

/* Glitch effect on logo */
.hero-logo.glitch {
  animation: glitch 0.15s linear;
}
@keyframes glitch {
  0% { transform: translate(0); filter: drop-shadow(0 4px 50px rgba(77,184,255,0.25)); }
  20% { transform: translate(-3px, 2px); filter: drop-shadow(2px 0 0 rgba(255,0,100,0.3)) drop-shadow(-2px 0 0 rgba(0,200,255,0.3)); }
  40% { transform: translate(3px, -1px); }
  60% { transform: translate(-1px, -2px); filter: drop-shadow(2px 0 0 rgba(255,0,100,0.3)) drop-shadow(-2px 0 0 rgba(0,200,255,0.3)); }
  80% { transform: translate(2px, 1px); }
  100% { transform: translate(0); filter: drop-shadow(0 4px 50px rgba(77,184,255,0.25)); }
}

/* ========== CONCEPT ========== */
.concept { padding: 120px 0 80px; }
.concept-inner { max-width: 900px; margin: 0 auto; text-align: center; padding: 0 40px; }
.concept-text {
  font-family: var(--font);
  font-size: clamp(16px, 2.2vw, 19px); line-height: 2.5; font-weight: 300;
}
.concept-text .hl { color: var(--blue); text-shadow: 0 0 20px rgba(77,184,255,0.3); }
.concept-deco {
  margin-top: 48px;
  font-family: var(--font-ui);
  display: flex; align-items: center; justify-content: center; gap: 14px;
  color: var(--text-dim); font-size: 12px; letter-spacing: 5px;
}
.concept-deco::before, .concept-deco::after {
  content: ''; width: 40px; height: 1px; background: var(--text-dim);
}

/* ========== KEY VISUAL ========== */
.kv { padding: 40px 0 0; }
.kv-frame { max-width: 100%; margin: 0 auto; position: relative; overflow: hidden; }
.kv-frame img {
  width: 100%; display: block;
  transition: transform 6s cubic-bezier(.23,1,.32,1);
}
.kv-frame:hover img { transform: scale(1.025); }
.kv-frame::before, .kv-frame::after {
  content: ''; position: absolute; z-index: 1;
  width: 24px; height: 24px;
  border-color: rgba(77,184,255,0.3); border-style: solid;
  transition: all 0.4s;
}
.kv-frame::before { top: 12px; left: 12px; border-width: 1px 0 0 1px; }
.kv-frame::after { bottom: 12px; right: 12px; border-width: 0 1px 1px 0; }
.kv-frame:hover::before, .kv-frame:hover::after {
  border-color: rgba(77,184,255,0.6);
  width: 36px; height: 36px;
}

/* ========== DIAGONAL TRANSITIONS ========== */
.sec-diag { position: relative; padding-top: 80px; }
.sec-diag::before {
  content: ''; position: absolute; top: -40px; left: -5%; right: -5%;
  height: 120px; background: var(--bg2); transform: skewY(-1.5deg); z-index: -1;
}

/* ========== STORY ========== */
.story { padding: 100px 0 120px; background: var(--bg2); position: relative; }
.story::after {
  content: ''; position: absolute; bottom: -40px; left: -5%; right: -5%;
  height: 120px; background: var(--bg2); transform: skewY(1.5deg); z-index: 0;
}
.story .wrap { position: relative; z-index: 1; }
.story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.story-panel {
  background: var(--card); border: 1px solid var(--card-border);
  padding: 48px 40px; position: relative;
}
.story-panel::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 60px; height: 2px;
  background: linear-gradient(90deg, var(--blue), transparent);
  transition: width 0.8s;
}
.story-panel:hover::before { width: 120px; }
.story-panel::after {
  content: ''; position: absolute; top: 0; left: 0;
  width: 2px; height: 40px;
  background: linear-gradient(180deg, var(--blue), transparent);
  transition: height 0.8s;
}
.story-panel:hover::after { height: 80px; }
.story-panel p { font-size: 15.5px; line-height: 2.2; color: var(--text-sub); text-align: justify; }
.story-panel p + p { margin-top: 16px; }
.story-panel p:first-child { font-size: 18px; color: var(--text); font-weight: 400; }

.features { display: flex; flex-direction: column; gap: 14px; }
.feat {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 22px 24px;
  background: var(--card); border: 1px solid var(--card-border);
  transition: all 0.4s cubic-bezier(.23,1,.32,1);
  position: relative; overflow: hidden;
}
.feat::after {
  content: ''; position: absolute; top: 0; left: 0; bottom: 0; width: 2px;
  background: var(--blue); transform: scaleY(0); transform-origin: top;
  transition: transform 0.4s cubic-bezier(.23,1,.32,1);
}
.feat:hover::after { transform: scaleY(1); }
.feat:hover {
  border-color: rgba(77,184,255,0.15);
  transform: translateX(6px);
  box-shadow: -4px 0 20px rgba(77,184,255,0.06);
}
.feat-n {
  font-family: var(--font-ui);
  font-size: 26px; color: var(--blue); opacity: 0.3; line-height: 1;
  flex-shrink: 0; width: 32px; transition: opacity 0.4s;
}
.feat:hover .feat-n { opacity: 0.8; }
.feat h4 { font-family: var(--font-ui); font-size: 16px; margin-bottom: 6px; }
.feat p { font-size: 14px; color: var(--text-sub); line-height: 1.8; }

/* ========== CHARACTERS ========== */
.chars { padding: 140px 0 120px; }
.c-tabs { display: flex; justify-content: center; gap: 6px; margin-bottom: 44px; flex-wrap: wrap; }
.c-tab {
  background: none; border: 1px solid rgba(255,255,255,0.05);
  color: var(--text-sub); font-family: var(--font-ui);
  font-size: 15px; padding: 14px 28px; cursor: pointer;
  transition: all 0.35s; position: relative; overflow: hidden;
}
.c-tab .sub { display: block; font-size: 10px; letter-spacing: 1px; margin-top: 2px; opacity: 0.4; }
.c-tab:hover { border-color: rgba(255,255,255,0.15); color: var(--text); }
.c-tab::before {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px; transform: scaleX(0); transition: transform 0.3s;
}
.c-tab:hover::before { transform: scaleX(1); }
.c-tab[data-c="gray"]::before   { background: #8a8888; }
.c-tab[data-c="purple"]::before { background: var(--purple); }
.c-tab[data-c="cyan"]::before   { background: var(--cyan); }
.c-tab[data-c="pink"]::before   { background: var(--pink); }
.c-tab[data-c="green"]::before  { background: var(--green); }
.c-tab.act { border-color: transparent; color: #fff; }
.c-tab.act .sub { opacity: 0.7; }
.c-tab[data-c="gray"].act   { background: #6a6868; }
.c-tab[data-c="purple"].act { background: var(--purple); }
.c-tab[data-c="cyan"].act   { background: var(--cyan); }
.c-tab[data-c="pink"].act   { background: var(--pink); }
.c-tab[data-c="green"].act  { background: var(--green); }
.c-tab.act::before { transform: scaleX(0) !important; }

.c-display { max-width: 1060px; margin: 0 auto; position: relative; }
.c-card {
  opacity: 0; position: absolute; top: 0; left: 0; right: 0;
  transition: opacity 0.5s, transform 0.5s cubic-bezier(.23,1,.32,1);
  transform: translateY(10px); pointer-events: none;
}
.c-card.act { opacity: 1; position: relative; transform: none; pointer-events: auto; }
.c-card img {
  width: 100%; display: block;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4); transition: box-shadow 0.4s;
}
.c-card:hover img { box-shadow: 0 16px 60px rgba(0,0,0,0.5); }
.c-desc {
  margin-top: 24px; padding: 24px 28px;
  background: var(--card); border-left: 3px solid var(--blue);
  font-size: 15px; line-height: 2; color: var(--text-sub);
}
.c-desc strong { color: var(--text); }
.c-card[data-b="purple"] .c-desc { border-color: var(--purple); }
.c-card[data-b="cyan"]   .c-desc { border-color: var(--cyan); }
.c-card[data-b="pink"]   .c-desc { border-color: var(--pink); }
.c-card[data-b="green"]  .c-desc { border-color: var(--green); }

/* ========== GALLERY ========== */
.gallery { padding: 120px 0; background: var(--bg2); position: relative; }
.gallery::before {
  content: ''; position: absolute; top: -40px; left: -5%; right: -5%;
  height: 120px; background: var(--bg2); transform: skewY(-1.5deg); z-index: 0;
}
.gallery::after {
  content: ''; position: absolute; bottom: -40px; left: -5%; right: -5%;
  height: 120px; background: var(--bg2); transform: skewY(1.5deg); z-index: 0;
}
.gallery .wrap { position: relative; z-index: 1; }
.g-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.g-item {
  position: relative; overflow: hidden; cursor: pointer; aspect-ratio: 16/9;
  transition: all 0.45s cubic-bezier(.23,1,.32,1);
}
.g-item:hover {
  transform: translateY(-4px) scale(1.02); z-index: 2;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}
.g-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s cubic-bezier(.23,1,.32,1);
}
.g-item:hover img { transform: scale(1.06); }
/* Scan line overlay on hover */
.g-item .scan-overlay {
  position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(77,184,255,0.03) 2px, rgba(77,184,255,0.03) 4px);
  opacity: 0; transition: opacity 0.4s;
}
.g-item:hover .scan-overlay { opacity: 1; }
/* Corner accents on hover */
.g-item::before, .g-item::after {
  content: ''; position: absolute; z-index: 2;
  width: 16px; height: 16px;
  border-color: transparent; border-style: solid; transition: all 0.4s;
}
.g-item::before { top: 6px; left: 6px; border-width: 1px 0 0 1px; }
.g-item::after { bottom: 6px; right: 6px; border-width: 0 1px 1px 0; }
.g-item:hover::before, .g-item:hover::after { border-color: rgba(77,184,255,0.5); width: 24px; height: 24px; }

/* ========== MOVIE ========== */
.movie { padding: 140px 0 120px; }
.movie-box {
  max-width: 1060px; margin: 0 auto; position: relative;
  box-shadow: 0 16px 60px rgba(0,0,0,0.5);
}
.movie-box iframe, .movie-box video { width: 100%; display: block; background: #000; }
.movie-box::before, .movie-box::after {
  content: ''; position: absolute; z-index: 1;
  width: 20px; height: 20px;
  border-color: rgba(77,184,255,0.2); border-style: solid;
}
.movie-box::before { top: -6px; left: -6px; border-width: 1px 0 0 1px; }
.movie-box::after { bottom: -6px; right: -6px; border-width: 0 1px 1px 0; }

/* ========== SPEC ========== */
.spec { padding: 100px 0 140px; background: linear-gradient(180deg, var(--bg), var(--bg2)); }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; max-width: 1060px; margin: 0 auto; }
.spec-tbl { width: 100%; border-collapse: collapse; }
.spec-tbl tr { border-bottom: 1px solid rgba(255,255,255,0.03); transition: background 0.3s; }
.spec-tbl tr:hover { background: rgba(77,184,255,0.03); }
.spec-tbl th {
  text-align: left; padding: 14px 16px;
  font-family: var(--font-ui);
  font-size: 12px; color: var(--blue); letter-spacing: 1px; width: 100px; vertical-align: top;
}
.spec-tbl td { padding: 16px 18px; font-size: 15px; color: var(--text-sub); }
.s-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.s-tag {
  font-family: var(--font-ui);
  font-size: 11px; padding: 3px 11px;
  border: 1px solid rgba(77,184,255,0.15); color: var(--blue);
  transition: all 0.3s;
}
.s-tag:hover { background: var(--blue-dim); border-color: var(--blue); transform: translateY(-1px); }
.spec-cta { text-align: center; margin-top: 56px; }
.steam-btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-ui);
  padding: 13px 36px;
  background: linear-gradient(135deg, #1b2838, #2a475e);
  border: 1px solid rgba(102,192,244,0.2);
  color: #9ecfe8; font-size: 13px; letter-spacing: 2px;
  text-decoration: none; transition: all 0.4s;
}
.steam-btn:hover {
  background: linear-gradient(135deg, #2a475e, #3d6b8e);
  transform: translateY(-2px); box-shadow: 0 8px 30px rgba(102,192,244,0.12);
}
.steam-btn svg { width: 20px; height: 20px; }

/* ========== FOOTER ========== */
.footer { padding: 40px 0 32px; border-top: 1px solid rgba(255,255,255,0.03); }
.footer-in {
  max-width: 1400px; margin: 0 auto; padding: 0 40px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand img { height: 32px; opacity: 0.45; }
.footer-brand span { font-family: var(--font-ui); font-size: 12px; color: var(--text-dim); letter-spacing: 2px; }
.footer-copy { font-size: 11px; color: var(--text-dim); }

/* ========== LIGHTBOX ========== */
.lb {
  display: none; position: fixed; inset: 0; z-index: 2000;
  background: rgba(6,8,16,0.95); backdrop-filter: blur(10px);
  justify-content: center; align-items: center; cursor: pointer;
}
.lb.open { display: flex; }
.lb img {
  max-width: 92vw; max-height: 90vh; object-fit: contain;
  box-shadow: 0 20px 80px rgba(0,0,0,0.6);
  animation: lbIn 0.35s cubic-bezier(.23,1,.32,1);
}
@keyframes lbIn { from { transform: scale(0.92); opacity: 0; } to { transform: none; opacity: 1; } }
.lb-x {
  position: absolute; top: 20px; right: 24px;
  background: none; border: none; color: var(--text-sub);
  font-size: 28px; cursor: pointer; transition: all 0.3s;
}
.lb-x:hover { color: var(--blue); transform: rotate(90deg); }

/* ========== AGE GATE ========== */
.age {
  position: fixed; inset: 0; z-index: 5000;
  background: rgba(6,8,16,0.97);
  display: flex; align-items: center; justify-content: center; text-align: center;
}
.age.hide { opacity: 0; pointer-events: none; transition: opacity 0.4s; }
.age-box {
  max-width: 380px; padding: 48px 40px;
  background: var(--card); border: 1px solid var(--card-border);
}
.age-box h2 { font-family: var(--font-ui); font-size: 18px; margin-bottom: 12px; }
.age-box p { font-size: 14px; color: var(--text-sub); margin-bottom: 28px; line-height: 1.8; }
.age-btns { display: flex; gap: 12px; justify-content: center; }
.age-btn {
  padding: 10px 30px; border: 1px solid; font-size: 14px;
  font-family: var(--font-ui);
  cursor: pointer; background: transparent; transition: all 0.3s;
}
.age-btn.y { border-color: var(--blue); color: var(--blue); }
.age-btn.y:hover { background: rgba(77,184,255,0.12); }
.age-btn.n { border-color: var(--text-dim); color: var(--text-dim); }
.age-btn.n:hover { border-color: var(--text-sub); color: var(--text-sub); }

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .story-grid { grid-template-columns: 1fr; gap: 36px; }
  .spec-grid { grid-template-columns: 1fr; }
  .g-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(8,12,24,0.97); backdrop-filter: blur(20px); padding: 12px 0;
  }
  .nav-links.open a { padding: 14px 28px; }
  .mob-toggle { display: block; }
  .c-tab { padding: 10px 14px; font-size: 13px; }
  .g-grid { grid-template-columns: 1fr; }
  .hero-logo { max-width: 280px; width: 70vw !important; }
  .story-panel { padding: 28px 20px; }
  .footer-in { flex-direction: column; text-align: center; }
}