/* ==========================================================================
   1CLICK-SEEDANCE 30s — landing bán tool
   Tông tối ấm (obsidian) + cam lửa / hổ phách, nhấn chanh cho trạng thái "xong"
   Font: Be Vietnam Pro + JetBrains Mono
   ========================================================================== */

:root {
  --bg: #0b0a09;
  --bg-2: #12100e;
  --card: #1a1714;
  --card-2: #221e1a;
  --line: rgba(255, 240, 220, 0.09);
  --line-2: rgba(255, 240, 220, 0.16);
  --text: #f6f1ea;
  --text-2: #bdb4a8;
  --text-3: #8d8479;

  --cream: #f5efe4;
  --ink: #1a140e;
  --ink-2: #5b5145;

  --orange: #ff6a13;
  --orange-d: #e85400;
  --amber: #ffb238;
  --lime: #c6f432;
  --red: #ff5a4e;

  --grad: linear-gradient(100deg, #ff5a0a 0%, #ff8a1f 45%, #ffbd45 100%);

  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --container: 1200px;
  --header-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  font-family: 'Be Vietnam Pro', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
s { text-decoration-thickness: 2px; text-decoration-color: var(--red); }
::selection { background: var(--orange); color: #fff; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; letter-spacing: 0.08em; text-transform: uppercase; }

/* ---------- type ---------- */
.kicker { display: inline-flex; align-items: center; gap: 10px; font-size: 0.78rem; font-weight: 700; color: var(--amber); }
.kicker-red { color: #ff9b8f; }
.kicker-dark { color: var(--orange-d); }
.display { font-size: clamp(2.5rem, 6vw, 4.8rem); font-weight: 900; line-height: 1.04; letter-spacing: -0.045em; }
.h2 { text-wrap: balance; font-size: clamp(1.95rem, 4vw, 3.1rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.035em; }
.h3 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.03em; }
.lead { font-size: clamp(1.02rem, 1.4vw, 1.12rem); color: var(--text-2); max-width: 640px; }
.lead a { color: var(--amber); font-weight: 700; }
.section-head { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 14px; margin-bottom: clamp(2.5rem, 5vw, 3.6rem); }
.section-head-left { text-align: left; align-items: flex-start; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 24px; border-radius: 14px; font-weight: 700; font-size: 0.98rem;
  text-decoration: none; white-space: nowrap;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .2s, color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-sm { padding: 10px 16px; font-size: 0.9rem; border-radius: 12px; }
.btn-lg { padding: 17px 28px; font-size: 1.05rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--grad); color: #1a0d02; box-shadow: 0 12px 34px rgba(255, 106, 19, 0.35), inset 0 1px 0 rgba(255, 255, 255, .35); }
.btn-primary:hover { box-shadow: 0 18px 44px rgba(255, 106, 19, 0.5), inset 0 1px 0 rgba(255, 255, 255, .35); }
.btn-ghost { background: rgba(255, 255, 255, 0.05); color: var(--text); box-shadow: inset 0 0 0 1.5px var(--line-2); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.09); }
.play-dot { width: 28px; height: 28px; border-radius: 50%; background: var(--orange); color: #fff; display: grid; place-items: center; }
.play-dot svg { margin-left: 2px; }
.btn[disabled] { opacity: .7; pointer-events: none; }

.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 0 rgba(198, 244, 50, .6); animation: pulse 1.8s infinite; flex: none; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(198, 244, 50, 0); } 100% { box-shadow: 0 0 0 0 rgba(198, 244, 50, 0); } }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .wall-track, .reel-phone, .float-chip { animation: none !important; }
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--header-h);
  display: flex; align-items: center;
  transition: background .3s, box-shadow .3s;
}
.site-header.scrolled { background: rgba(11, 10, 9, 0.8); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--line); }
.nav-wrapper { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; text-decoration: none; letter-spacing: -0.01em; }
.brand-logo img { width: 34px; height: 34px; border-radius: 10px; }
.brand-logo em { font-style: normal; color: var(--orange); }
.brand-logo span { white-space: nowrap; }
.nav-links { display: flex; gap: 2px; list-style: none; }
.nav-links a { text-decoration: none; font-weight: 600; font-size: 0.92rem; color: var(--text-2); padding: 8px 13px; border-radius: 10px; transition: background .2s, color .2s; }
.nav-links a:hover { background: rgba(255, 255, 255, 0.06); color: var(--text); }

/* ==========================================================================
   HERO — căn giữa, dải điện thoại bên dưới
   ========================================================================== */
.hero { position: relative; padding: calc(var(--header-h) + clamp(2.5rem, 6vw, 4.5rem)) 0 clamp(3rem, 6vw, 4.5rem); overflow: hidden; isolation: isolate; }
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(700px 420px at 50% 78%, rgba(255, 106, 19, 0.32), transparent 70%),
    radial-gradient(520px 300px at 85% 10%, rgba(255, 178, 56, 0.12), transparent 70%),
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 56px 56px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 40%, transparent 100%);
}
.hero-top { display: flex; flex-direction: column; align-items: center; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px; border-radius: 999px;
  font-size: 0.85rem; font-weight: 600; color: var(--text-2);
  background: rgba(255, 255, 255, 0.04); box-shadow: inset 0 0 0 1px var(--line-2);
}
.hero-title { text-wrap: balance; margin-top: 22px; font-size: clamp(2.4rem, 6.2vw, 5rem); font-weight: 900; line-height: 1.05; letter-spacing: -0.045em; max-width: 1000px; }
.hl { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { margin-top: 20px; font-size: clamp(1.03rem, 1.5vw, 1.18rem); color: var(--text-2); max-width: 640px; }
.hero-actions { margin-top: 30px; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.hero-warn {
  margin-top: 18px; display: inline-flex; align-items: center; gap: 8px; text-decoration: none;
  font-size: 0.86rem; font-weight: 600; color: var(--amber); padding: 6px 12px; border-radius: 10px;
  background: rgba(255, 178, 56, 0.08);
}
.hero-warn:hover { background: rgba(255, 178, 56, 0.14); }

/* dải điện thoại */
.hero-reel {
  position: relative; margin: clamp(2.5rem, 5vw, 3.5rem) auto 0; max-width: 1100px;
  height: clamp(380px, 44vw, 560px);
  display: flex; justify-content: center; align-items: center;
}
.reel-phone {
  position: absolute; aspect-ratio: 9 / 16; border-radius: 26px; overflow: hidden; background: #000;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.08), inset 0 0 0 6px #050404;
}
.reel-phone video { width: 100%; height: 100%; object-fit: cover; border-radius: 22px; }
.r-center { height: 100%; z-index: 5; box-shadow: 0 40px 90px rgba(255, 106, 19, 0.25), 0 0 0 2px rgba(255, 178, 56, 0.5), inset 0 0 0 6px #050404; animation: bob 6s ease-in-out infinite; }
.r-near { height: 82%; z-index: 4; filter: brightness(.82); }
.r-far { height: 66%; z-index: 3; filter: brightness(.6) saturate(.85); }
.r-l1 { transform: translateX(-82%) rotate(-5deg); }
.r-r1 { transform: translateX(82%) rotate(5deg); }
.r-l2 { transform: translateX(-172%) rotate(-10deg); }
.r-r2 { transform: translateX(172%) rotate(10deg); }
@keyframes bob { 50% { transform: translateY(-10px); } }

.float-chip {
  position: absolute; z-index: 6; display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: 14px; font-size: 0.86rem; font-weight: 600; color: var(--text);
  background: rgba(26, 23, 20, 0.86); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45), inset 0 0 0 1px var(--line-2);
}
.chip-a { left: 50%; top: 8%; transform: translateX(calc(-100% - 140px)); animation: floatA 7s ease-in-out infinite; }
.chip-b { left: 50%; bottom: 10%; transform: translateX(140px); animation: floatB 8s ease-in-out -2s infinite; }
@keyframes floatA { 50% { transform: translateX(calc(-100% - 140px)) translateY(-8px); } }
@keyframes floatB { 50% { transform: translateX(140px) translateY(-8px); } }
.chip-time { color: #1a0d02; background: var(--amber); padding: 2px 7px; border-radius: 6px; font-weight: 700; font-size: 0.76rem; letter-spacing: .04em; }
.chip-ic { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; background: var(--lime); color: #142000; }
.float-chip b { color: var(--lime); }

.hero-stats {
  list-style: none; margin-top: clamp(2.5rem, 5vw, 3.5rem);
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-radius: var(--r-lg); background: rgba(255, 255, 255, 0.03); box-shadow: inset 0 0 0 1px var(--line);
}
.hero-stats li { padding: 20px 22px; display: flex; flex-direction: column; gap: 2px; }
.hero-stats li + li { border-left: 1px solid var(--line); }
.hero-stats b { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.03em; color: var(--amber); }
.hero-stats span { font-size: 0.88rem; color: var(--text-2); line-height: 1.4; }

/* ==========================================================================
   VIDEO WALL
   ========================================================================== */
.wall { padding: clamp(1rem, 2vw, 2rem) 0 clamp(3.5rem, 7vw, 5.5rem); overflow: hidden; }
.wall-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.wall-note { font-size: 0.88rem; color: var(--text-3); }
.wall-track { display: flex; gap: 16px; width: max-content; animation: marquee 70s linear infinite; }
.wall:hover .wall-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.wall-card { position: relative; width: 200px; aspect-ratio: 9 / 16; border-radius: 20px; overflow: hidden; background: var(--card); box-shadow: inset 0 0 0 1px var(--line); flex: none; }
.wall-card video { width: 100%; height: 100%; object-fit: cover; }
.wall-card .mono { position: absolute; left: 10px; top: 10px; font-size: 0.7rem; font-weight: 700; color: #1a0d02; background: var(--amber); padding: 3px 7px; border-radius: 6px; letter-spacing: 0.04em; }
.wall-card .label { position: absolute; left: 10px; right: 50px; bottom: 12px; font-size: 0.78rem; font-weight: 700; color: #fff; text-shadow: 0 1px 8px rgba(0, 0, 0, .7); line-height: 1.3; }

/* ==========================================================================
   PAINS
   ========================================================================== */
.pains { padding: clamp(5rem, 10vw, 8rem) 0; background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pains-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.pains-head { display: flex; flex-direction: column; gap: 22px; }
.strike { position: relative; color: var(--amber); }
.strike::after { content: ""; position: absolute; left: -2%; right: -2%; top: 54%; height: 0.09em; background: var(--red); transform: rotate(-4deg); border-radius: 4px; }
.muted { color: var(--text-3); }
.pains-title { font-size: clamp(2.3rem, 5vw, 4.1rem); }
.nw { white-space: nowrap; }
.pain-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.pain-list li { display: grid; grid-template-columns: auto 1fr; gap: 18px; padding: 22px 24px; border-radius: var(--r-lg); background: var(--card); box-shadow: inset 0 0 0 1px var(--line); }
.pain-no { font-weight: 700; color: var(--red); font-size: 0.9rem; padding-top: 3px; }
.pain-list h3 { font-size: 1.12rem; letter-spacing: -0.015em; }
.pain-list p { color: var(--text-2); font-size: 0.96rem; margin-top: 4px; }
.pains-turn { margin-top: clamp(2.5rem, 5vw, 4rem); font-size: clamp(1.25rem, 2.4vw, 1.75rem); font-weight: 700; letter-spacing: -0.02em; color: var(--text-2); max-width: 860px; }
.pains-turn b { color: var(--text); }

/* ==========================================================================
   PROOF
   ========================================================================== */
.proof { padding: clamp(5rem, 10vw, 8rem) 0 0; }
.proof-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(2rem, 4vw, 3.5rem); align-items: center; }
.browser { background: var(--card); border-radius: 18px; overflow: hidden; box-shadow: 0 40px 90px rgba(0, 0, 0, 0.55), 0 0 0 1px var(--line-2); }
.browser-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; background: var(--card-2); border-bottom: 1px solid var(--line); }
.browser-bar i { width: 11px; height: 11px; border-radius: 50%; background: #3a332c; }
.browser-bar i:first-child { background: #ff5f57; }
.browser-bar i:nth-child(2) { background: #febc2e; }
.browser-bar i:nth-child(3) { background: #28c840; }
.browser-bar span { margin-left: 10px; font-size: 0.8rem; color: var(--text-3); font-weight: 600; }
.browser video { width: 100%; aspect-ratio: 1280 / 694; object-fit: cover; background: #000; }
.proof-copy { display: flex; flex-direction: column; gap: 18px; align-items: flex-start; }

.proof-shot { margin-top: clamp(2.5rem, 5vw, 4rem); }
.proof-shot img { width: 100%; height: auto; background: #fff; }
.proof-shot figcaption { margin: 16px auto 0; max-width: 820px; text-align: center; color: var(--text-2); font-size: 0.95rem; }
.proof-shot figcaption b { color: var(--amber); }

/* ==========================================================================
   THEATER
   ========================================================================== */
.theater { padding: clamp(5rem, 10vw, 8rem) 0; }
.theater-layout { display: grid; grid-template-columns: 1.7fr 1fr; gap: 24px; align-items: start; }
.player { background: var(--card); border-radius: var(--r-lg); overflow: hidden; box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5), inset 0 0 0 1px var(--line); }
.player-frame { position: relative; background: #000; aspect-ratio: 16 / 9; }
.player-frame video { width: 100%; height: 100%; object-fit: contain; }
.player-big-play {
  position: absolute; left: 50%; top: 50%; width: 84px; height: 84px; margin: -42px 0 0 -42px; border-radius: 50%;
  background: var(--grad); color: #1a0d02; display: grid; place-items: center;
  box-shadow: 0 0 0 12px rgba(255, 106, 19, 0.22), 0 20px 40px rgba(0, 0, 0, .45);
  transition: transform .25s var(--ease), opacity .25s;
}
.player-big-play svg { margin-left: 4px; }
.player-big-play:hover { transform: scale(1.06); }
.player.is-playing .player-big-play { opacity: 0; pointer-events: none; }
.player-bar {
  position: absolute; left: 0; right: 0; bottom: 0; display: flex; align-items: center; gap: 12px; padding: 12px 16px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75)); color: #fff; opacity: 0; transition: opacity .25s;
}
.player-frame:hover .player-bar, .player:not(.is-playing) .player-bar { opacity: 1; }
.btn-ctrl { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; color: #fff; }
.btn-ctrl:hover { background: rgba(255, 255, 255, 0.15); }
.progress { flex: 1; height: 5px; border-radius: 3px; background: rgba(255, 255, 255, 0.25); cursor: pointer; }
.progress-fill { height: 100%; width: 0; border-radius: 3px; background: var(--amber); }
.timecode { font-size: 0.75rem; letter-spacing: 0.02em; }
.player-info { padding: 22px 26px 26px; }
.player-info h3 { font-size: 1.22rem; letter-spacing: -0.02em; line-height: 1.3; }
.player-info p { margin-top: 6px; color: var(--text-2); font-size: 0.96rem; }
.playlist { display: flex; flex-direction: column; gap: 10px; }
.pl-item {
  display: grid; grid-template-columns: 112px 1fr; gap: 14px; align-items: center; text-align: left;
  padding: 10px; border-radius: var(--r-md); background: var(--card); box-shadow: inset 0 0 0 1px var(--line);
  transition: box-shadow .2s, transform .2s var(--ease), background .2s;
}
.pl-item:hover { transform: translateY(-2px); background: var(--card-2); }
.pl-item.is-active { box-shadow: inset 0 0 0 2px var(--orange), 0 12px 30px rgba(255, 106, 19, 0.15); }
.pl-thumb { position: relative; aspect-ratio: 16 / 10; border-radius: 10px; overflow: hidden; background: #000; }
.pl-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pl-thumb .mono { position: absolute; right: 6px; bottom: 6px; font-size: 0.66rem; color: #fff; background: rgba(0, 0, 0, 0.7); padding: 2px 6px; border-radius: 5px; letter-spacing: 0.02em; }
.pl-cat { font-size: 0.68rem; font-weight: 700; color: var(--amber); }
.pl-title { font-weight: 700; font-size: 0.96rem; line-height: 1.3; margin-top: 2px; }
.pl-item.is-active .pl-cat::before { content: "▶ "; }

/* ==========================================================================
   FEATURES (nền kem)
   ========================================================================== */
.features { padding: clamp(5rem, 10vw, 8rem) 0; background: var(--cream); color: var(--ink); }
.features .lead { color: var(--ink-2); }
.app-shot {
  border-radius: 20px; overflow: hidden; background: #fff;
  box-shadow: 0 40px 90px rgba(60, 35, 10, 0.18), 0 0 0 1px rgba(26, 20, 14, 0.08);
}
.app-shot img { width: 100%; height: auto; }
.feat-grid { margin-top: clamp(2rem, 4vw, 3rem); display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feat { padding: 26px; border-radius: var(--r-lg); background: #fffaf2; box-shadow: inset 0 0 0 1px rgba(26, 20, 14, 0.08); }
.feat-ic { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: var(--ink); color: var(--amber); }
.feat h3 { margin-top: 16px; font-size: 1.12rem; letter-spacing: -0.015em; }
.feat p { margin-top: 6px; color: var(--ink-2); font-size: 0.95rem; }

/* ==========================================================================
   GUIDE (video hướng dẫn)
   ========================================================================== */
.guide { padding: clamp(5rem, 10vw, 8rem) 0 0; }
.guide-player { position: relative; max-width: 1040px; margin: 0 auto; border-radius: var(--r-lg); overflow: hidden; background: #000; box-shadow: 0 40px 90px rgba(0, 0, 0, 0.55), 0 0 0 1px var(--line-2); }
.guide-player video { width: 100%; aspect-ratio: 16 / 9; background: #000; }
.guide-tag { position: absolute; right: 14px; top: 14px; font-size: 0.72rem; font-weight: 700; color: #1a0d02; background: var(--amber); padding: 4px 9px; border-radius: 7px; letter-spacing: .04em; pointer-events: none; }

/* ==========================================================================
   GIFTS
   ========================================================================== */
.gifts { padding: clamp(5rem, 10vw, 8rem) 0; background: radial-gradient(800px 500px at 50% 0%, rgba(255, 106, 19, 0.12), transparent 70%); }
.gift-row { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 20px; align-items: stretch; }
.gift { position: relative; padding: clamp(1.6rem, 3vw, 2.3rem); border-radius: var(--r-xl); background: var(--card); box-shadow: inset 0 0 0 1.5px rgba(255, 178, 56, 0.28); overflow: hidden; }
.stamp {
  position: absolute; right: 20px; top: 20px; padding: 5px 12px; border-radius: 999px;
  background: var(--lime); color: #142000; font-weight: 800; font-size: 0.78rem; letter-spacing: .02em;
}
.gift-no { font-size: 0.72rem; font-weight: 700; color: var(--amber); }
.gift h3 { margin-top: 10px; font-size: clamp(1.35rem, 2.4vw, 1.7rem); line-height: 1.2; letter-spacing: -0.03em; padding-right: 64px; }
.gift > p { margin-top: 10px; color: var(--text-2); }
.ticks { list-style: none; margin-top: 18px; display: grid; gap: 8px; }
.ticks li { position: relative; padding-left: 28px; font-weight: 600; font-size: 0.95rem; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 6px; background: rgba(198, 244, 50, .14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c6f432' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 12px no-repeat; }
.skill-peek {
  margin-top: 22px; padding: 16px 18px; border-radius: 14px; background: #0b0a09; box-shadow: inset 0 0 0 1px var(--line);
  font-family: 'JetBrains Mono', monospace; font-size: 0.82rem; line-height: 1.8; color: var(--text-2); overflow-x: auto; white-space: pre;
}
.skill-peek .c { color: var(--text-3); }
.skill-peek b { color: var(--amber); font-weight: 700; }
.prompt-grid { margin-top: 20px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.p-tile { position: relative; aspect-ratio: 3 / 4; border-radius: 12px; overflow: hidden; background: #000; text-decoration: none; }
.p-tile img { width: 100%; height: 100%; object-fit: cover; filter: blur(1.5px) brightness(.62) saturate(.9); transform: scale(1.06); transition: filter .3s, transform .4s var(--ease); }
.p-tile:hover img { filter: blur(0) brightness(.78); transform: scale(1.1); }
.p-tile .p-no { position: absolute; left: 7px; top: 7px; font-size: 0.62rem; font-weight: 700; color: #1a0d02; background: var(--amber); padding: 1px 5px; border-radius: 5px; letter-spacing: .02em; }
.p-tile .p-lock { position: absolute; right: 7px; top: 7px; width: 22px; height: 22px; border-radius: 50%; background: rgba(0, 0, 0, .55); color: #fff; display: grid; place-items: center; }
.p-tile .p-name { position: absolute; left: 7px; right: 7px; bottom: 7px; font-size: 0.68rem; font-weight: 700; line-height: 1.25; color: #fff; text-shadow: 0 1px 6px rgba(0, 0, 0, .8); }

/* ==========================================================================
   PRICING
   ========================================================================== */
.pricing { padding: clamp(5rem, 10vw, 8rem) 0 clamp(3rem, 6vw, 4rem); background: var(--bg-2); border-top: 1px solid var(--line); }
.plan-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 420px)); justify-content: center; gap: 20px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; padding: clamp(1.6rem, 3vw, 2.3rem); border-radius: var(--r-xl); background: var(--card); box-shadow: inset 0 0 0 1px var(--line-2); }
.plan h3 { font-size: 1.3rem; letter-spacing: -0.02em; }
.plan-desc { color: var(--text-3); font-size: 0.93rem; margin-top: 2px; }
.plan-price { margin-top: 22px; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.plan-price b { font-size: clamp(2.3rem, 4.4vw, 3rem); font-weight: 900; letter-spacing: -0.045em; line-height: 1; }
.plan-price span { color: var(--text-3); font-weight: 600; }
.plan-was { margin-top: 8px; font-size: 0.88rem; color: var(--text-3); }
.plan-list { list-style: none; margin: 24px 0 28px; display: grid; gap: 11px; flex: 1; }
.plan-list li { position: relative; padding-left: 28px; font-size: 0.97rem; }
.plan-list li::before { content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 50%; background: rgba(255, 178, 56, .16) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffb238' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 11px no-repeat; }
.plan-hot { background: linear-gradient(180deg, #2a1a0d 0%, var(--card) 60%); box-shadow: inset 0 0 0 2px var(--orange), 0 30px 80px rgba(255, 106, 19, 0.18); }
.plan-hot .plan-price b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.plan-badge { position: absolute; top: -13px; right: 24px; padding: 6px 14px; border-radius: 999px; background: var(--lime); color: #142000; font-weight: 800; font-size: 0.8rem; box-shadow: 0 8px 20px rgba(0, 0, 0, .3); }

/* ==========================================================================
   NOTICE (lưu ý trước khi mua)
   ========================================================================== */
.notice { padding: clamp(1rem, 3vw, 2rem) 0 clamp(5rem, 9vw, 7rem); background: var(--bg-2); }
.notice-box {
  max-width: 880px; margin: 0 auto; padding: clamp(1.6rem, 3.5vw, 2.6rem); border-radius: var(--r-xl);
  background: repeating-linear-gradient(-45deg, rgba(255, 90, 78, 0.05) 0 14px, transparent 14px 28px), var(--card);
  box-shadow: inset 0 0 0 1.5px rgba(255, 90, 78, 0.45);
}
.notice-head { display: flex; align-items: center; gap: 18px; }
.notice-ic { flex: none; width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: rgba(255, 90, 78, 0.15); color: var(--red); }
.notice-head .h3 { margin-top: 4px; }
.notice-list { list-style: none; margin-top: 24px; display: grid; gap: 14px; counter-reset: n; }
.notice-list li { counter-increment: n; position: relative; padding-left: 40px; color: var(--text-2); font-size: 0.98rem; }
.notice-list li::before { content: counter(n); position: absolute; left: 0; top: 1px; width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; background: rgba(255, 255, 255, 0.06); color: var(--amber); font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; font-weight: 700; }
.notice-list b { color: var(--text); }

/* ==========================================================================
   REGISTER
   ========================================================================== */
.register { padding: clamp(5rem, 10vw, 8rem) 0; background: radial-gradient(700px 500px at 15% 50%, rgba(255, 106, 19, 0.16), transparent 70%); }
.register-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.register-copy { display: flex; flex-direction: column; gap: 16px; }
.steps { list-style: none; margin-top: 10px; display: grid; gap: 12px; }
.steps li { display: flex; align-items: center; gap: 14px; font-weight: 600; }
.steps .mono { width: 34px; height: 34px; flex: none; border-radius: 10px; display: grid; place-items: center; background: var(--card); box-shadow: inset 0 0 0 1px var(--line-2); color: var(--amber); font-weight: 700; letter-spacing: 0; }
.reg-form { background: var(--cream); color: var(--ink); border-radius: var(--r-xl); padding: clamp(1.6rem, 3vw, 2.4rem); box-shadow: 0 40px 90px rgba(0, 0, 0, 0.5); display: flex; flex-direction: column; gap: 16px; }
.reg-form h3 { font-size: 1.35rem; letter-spacing: -0.02em; }
.plan-pick { border: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.plan-pick legend { font-size: 0.86rem; font-weight: 700; color: var(--ink-2); margin-bottom: 6px; }
.pick { position: relative; cursor: pointer; }
.pick input { position: absolute; opacity: 0; pointer-events: none; }
.pick > span { display: flex; flex-direction: column; gap: 1px; padding: 12px 14px; border-radius: 14px; background: #fffaf2; box-shadow: inset 0 0 0 1.5px rgba(26, 20, 14, 0.14); transition: box-shadow .2s, background .2s; }
.pick b { font-size: 1rem; }
.pick i { font-style: normal; font-weight: 800; color: var(--orange-d); }
.pick em { font-style: normal; font-size: 0.72rem; font-weight: 700; color: #3c5c00; }
.pick input:checked + span { background: #fff; box-shadow: inset 0 0 0 2.5px var(--orange); }
.pick input:focus-visible + span { outline: 3px solid rgba(255, 106, 19, .4); outline-offset: 2px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field span { font-size: 0.86rem; font-weight: 700; color: var(--ink-2); }
.field input {
  width: 100%; padding: 13px 15px; border-radius: 12px; border: 0; font: inherit; font-size: 1rem; color: var(--ink);
  background: #fffaf2; box-shadow: inset 0 0 0 1.5px rgba(26, 20, 14, 0.14); transition: box-shadow .2s;
}
.field input:focus { outline: none; box-shadow: inset 0 0 0 2px var(--orange), 0 0 0 4px rgba(255, 106, 19, 0.15); }
.agree { display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: start; font-size: 0.86rem; color: var(--ink-2); cursor: pointer; padding: 12px 14px; border-radius: 12px; background: rgba(255, 90, 78, 0.07); box-shadow: inset 0 0 0 1px rgba(255, 90, 78, 0.25); }
.agree input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--orange-d); }
.agree a { color: var(--orange-d); font-weight: 700; }
.form-error { font-size: 0.9rem; font-weight: 600; color: #b91c1c; background: #fef2f2; border-radius: 10px; padding: 10px 14px; }
.form-note { text-align: center; font-size: 0.82rem; color: var(--ink-2); }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq { padding: clamp(5rem, 10vw, 8rem) 0; background: var(--bg-2); border-top: 1px solid var(--line); }
.faq-wrap { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-list details { background: var(--card); border-radius: var(--r-md); box-shadow: inset 0 0 0 1px var(--line); padding: 4px 22px; }
.faq-list summary { cursor: pointer; list-style: none; font-weight: 700; padding: 16px 30px 16px 0; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.4rem; font-weight: 500; color: var(--amber); transition: transform .25s; }
.faq-list details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-list details p { padding: 0 0 18px; color: var(--text-2); }

/* ==========================================================================
   FOOTER + STICKY
   ========================================================================== */
.site-footer { padding: 36px 0; border-top: 1px solid var(--line); font-size: 0.9rem; color: var(--text-3); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-inner b { color: var(--text); }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { text-decoration: none; font-weight: 600; }
.footer-links a:hover { color: var(--text); }
.footer-links .accent { color: var(--amber); }
.sticky-cta { display: none; }

/* ==========================================================================
   Nút bật tiếng
   ========================================================================== */
.snd {
  position: absolute; right: 12px; top: 12px; z-index: 5;
  display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 12px;
  border-radius: 999px; background: rgba(11, 10, 9, 0.66); color: #fff;
  font-size: 0.8rem; font-weight: 700; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  transition: background .2s, transform .2s var(--ease);
}
.snd:hover { transform: scale(1.05); }
.snd.on { background: var(--orange); }
.r-center .snd { right: 50%; transform: translateX(50%); top: auto; bottom: 18px; animation: sndHint 2.4s ease-in-out 1.5s 3; }
.r-center .snd:hover { transform: translateX(50%) scale(1.05); }
@keyframes sndHint { 50% { box-shadow: 0 0 0 8px rgba(255, 106, 19, 0.4); } }
.wall-card .snd { width: 34px; padding: 0; justify-content: center; top: auto; bottom: 8px; right: 8px; }
.wall-card .snd span { display: none; }

/* ==========================================================================
   Popup thanh toán (VietQR)
   ========================================================================== */
.modal-overlay { position: fixed; inset: 0; z-index: 100; background: rgba(5, 4, 3, 0.7); backdrop-filter: blur(6px); display: grid; place-items: center; padding: 20px; opacity: 0; pointer-events: none; transition: opacity .3s; overflow-y: auto; }
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-content { width: 100%; background: var(--cream); color: var(--ink); border-radius: var(--r-lg); transform: translateY(20px) scale(.97); transition: transform .4s var(--ease); }
.modal-overlay.active .modal-content { transform: none; }
.modal-content.pay { max-width: 540px; padding: 28px; max-height: calc(100dvh - 40px); overflow-y: auto; }
.modal-icon { width: 56px; height: 56px; margin: 0 auto 12px; border-radius: 50%; background: #e4f8c2; color: #3c7a00; display: grid; place-items: center; }
.pay-head { text-align: center; }
.pay-head h3 { font-size: 1.4rem; letter-spacing: -0.02em; }
.pay-head h3 b, .pay-head p b { color: var(--orange-d); }
.pay-head p { margin-top: 6px; color: var(--ink-2); }
.pay-body { margin-top: 20px; display: grid; grid-template-columns: 200px 1fr; gap: 18px; align-items: center; }
.pay-body[hidden] { display: none; }
.qr-wrap { background: #fff; border-radius: 16px; padding: 10px; box-shadow: inset 0 0 0 1.5px rgba(26, 20, 14, 0.12); text-align: center; }
.qr-wrap img { width: 100%; height: auto; aspect-ratio: 1; object-fit: contain; }
.qr-wrap figcaption { font-size: 0.75rem; color: var(--ink-2); margin-top: 4px; }
.pay-info { display: grid; gap: 10px; }
.pay-info div { display: grid; gap: 2px; }
.pay-info dt { font-size: 0.75rem; color: var(--ink-2); font-weight: 600; }
.pay-info dd { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-weight: 600; word-break: break-word; }
.pay-info dd b { color: var(--orange-d); }
.copy { font-size: 0.72rem; font-weight: 700; color: var(--orange-d); background: rgba(255, 106, 19, 0.1); border-radius: 999px; padding: 3px 10px; }
.copy.done { color: #fff; background: #3c7a00; }
.pay-note { margin: 18px 0 16px; font-size: 0.88rem; color: var(--ink-2); background: #fffaf2; border-radius: 12px; padding: 12px 14px; box-shadow: inset 0 0 0 1px rgba(26, 20, 14, 0.08); }
.pay-note b { color: var(--ink); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-stats li:nth-child(3) { border-left: 0; }
  .hero-stats li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .pains-grid, .proof-grid, .gift-row, .register-grid, .faq-wrap { grid-template-columns: 1fr; }
  .theater-layout { grid-template-columns: 1fr; }
  .playlist { display: grid; grid-template-columns: 1fr 1fr; }
  .feat-grid { grid-template-columns: 1fr 1fr; }
  .chip-a { transform: translateX(calc(-100% - 90px)); }
  .chip-b { transform: translateX(90px); }
  @keyframes floatA { 50% { transform: translateX(calc(-100% - 90px)) translateY(-8px); } }
  @keyframes floatB { 50% { transform: translateX(90px) translateY(-8px); } }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .container { padding: 0 16px; }
  .brand-logo span { font-size: 0.9rem; }
  .brand-logo img { width: 30px; height: 30px; }
  .hero-title { font-size: clamp(2.1rem, 9.6vw, 2.9rem); }
  .hero-actions { width: 100%; }
  .hero-actions .btn { flex: 1 1 100%; }
  .hero-reel { height: 420px; }
  .r-far { display: none; }
  .r-near { height: 78%; }
  .r-l1 { transform: translateX(-62%) rotate(-6deg); }
  .r-r1 { transform: translateX(62%) rotate(6deg); }
  .float-chip { font-size: 0.78rem; padding: 8px 11px; }
  .chip-a { left: 8px; top: 4%; transform: none; animation: none; }
  .chip-b { left: auto; right: 8px; bottom: auto; top: 20%; transform: none; animation: none; }
  .hero-stats li { padding: 16px; }
  .hero-stats b { font-size: 1.2rem; }
  .wall-card { width: 150px; }
  .pain-list li { padding: 18px; gap: 14px; }
  .playlist { grid-template-columns: 1fr; }
  .pl-item { grid-template-columns: 100px 1fr; }
  .player-info { padding: 18px; }
  .feat-grid { grid-template-columns: 1fr; }
  .prompt-grid { grid-template-columns: repeat(4, 1fr); gap: 6px; }
  .plan-grid { grid-template-columns: 1fr; }
  .plan-pick { grid-template-columns: 1fr 1fr; }
  .notice-head { align-items: flex-start; }
  .notice-ic { width: 46px; height: 46px; }
  .notice-list li { padding-left: 36px; font-size: 0.95rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  body { padding-bottom: 76px; }
  .sticky-cta {
    display: flex; position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 60;
    align-items: center; justify-content: space-between; gap: 12px;
    background: rgba(26, 23, 20, 0.94); backdrop-filter: blur(12px); color: #fff;
    border-radius: 18px; padding: 10px 10px 10px 16px; box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45), inset 0 0 0 1px var(--line-2);
    transform: translateY(140%); transition: transform .4s var(--ease);
  }
  .sticky-cta.show { transform: none; }
  .sticky-cta div { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 6px; line-height: 1.25; }
  .sticky-cta b { font-size: 1.25rem; color: var(--amber); }
  .sticky-cta span { font-size: 0.78rem; color: var(--text-2); }
}

@media (max-width: 520px) {
  .modal-content.pay { padding: 22px 18px; }
  .pay-body { grid-template-columns: 1fr; }
  .qr-wrap { max-width: 240px; margin: 0 auto; }
  .prompt-grid { grid-template-columns: repeat(3, 1fr); }
}
