/* =========================================================
   Nguyễn Minh Nhật MMO — black / gold course storefront
   ========================================================= */
:root {
  --gold: #ffd21c;
  --gold-light: #fff2a8;
  --gold-dark: #bd8d00;
  --ink: #070707;
  --ink-soft: #121212;
  --paper: #f6f6f4;
  --white: #fff;
  --text: #111;
  --muted: #696969;
  --line: #e5e5e2;
  --blue: #1266e8;
  --red: #d51a42;
  --purple: #7824df;
  --container: 1240px;
  --shadow: 0 14px 32px rgba(0, 0, 0, .12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--text);
  font-family: "Be Vietnam Pro", Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.is-modal-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
:focus-visible { outline: 3px solid #3180ff; outline-offset: 3px; }
[hidden] { display: none !important; }
[id] { scroll-margin-top: 84px; }
.skip-link { position: fixed; z-index: 1001; top: 8px; left: 8px; padding: 9px 13px; border-radius: 6px; background: var(--gold); color: #080808; transform: translateY(-150%); transition: transform .18s ease; }
.skip-link:focus { transform: translateY(0); }
.container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
.scroll-progress {
  position: fixed;
  z-index: 1002;
  top: 56px;
  left: 0;
  width: 100%;
  height: 3px;
  pointer-events: none;
  background: var(--gold);
  box-shadow: 0 0 14px rgba(255, 210, 28, .8);
  transform: scaleX(0);
  transform-origin: left center;
}

/* ---------- Shared controls ---------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 9px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  line-height: 1;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.button:hover { transform: translateY(-2px); filter: brightness(1.04); }
.button-gold { position: relative; overflow: hidden; color: #080808; background: linear-gradient(135deg, #ffe66d, var(--gold) 55%, #e8aa00); box-shadow: 0 7px 18px rgba(224, 171, 0, .26); }
.button-gold::after {
  position: absolute;
  top: -80%;
  left: -30%;
  width: 24%;
  height: 260%;
  background: rgba(255, 255, 255, .45);
  content: "";
  transform: rotate(22deg) translateX(-180px);
  transition: transform .55s ease;
}
.button-gold:hover::after { transform: rotate(22deg) translateX(520px); }
.button-small { min-height: 42px; padding-inline: 18px; }
.button-large { min-height: 46px; padding-inline: 22px; }
.button span { font-size: 18px; line-height: .8; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  z-index: 999;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 56px;
  color: #fff;
  background: rgba(5, 5, 5, .97);
  border-bottom: 1px solid rgba(255, 210, 28, .2);
  backdrop-filter: blur(15px);
  transition: background .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.site-header.is-scrolled {
  background: rgba(5, 5, 5, .9);
  border-bottom-color: rgba(255, 210, 28, .4);
  box-shadow: 0 9px 26px rgba(0, 0, 0, .32);
}
.header-inner { min-height: 56px; display: flex; align-items: center; gap: 25px; }
.brand { display: inline-flex; align-items: center; gap: 9px; flex-shrink: 0; color: #fff; font-size: 17px; font-weight: 800; letter-spacing: -.35px; }
.brand b { color: var(--gold); }
.brand-crown { width: 34px; height: 34px; flex: 0 0 auto; color: var(--gold); filter: drop-shadow(0 0 10px rgba(255, 210, 28, .3)); }
.main-nav { display: flex; align-items: center; gap: clamp(16px, 2.2vw, 31px); margin-left: auto; }
.main-nav a { position: relative; color: rgba(255,255,255,.76); font-size: 12px; font-weight: 600; white-space: nowrap; transition: color .2s ease; }
.main-nav a:hover, .main-nav a.is-active { color: var(--gold); }
.main-nav a.is-active::after { position: absolute; right: 0; bottom: -20px; left: 0; height: 2px; background: var(--gold); content: ""; }
.header-actions { display: flex; align-items: center; gap: 15px; margin-left: 10px; }
.search-link { display: inline-flex; color: #fff; transition: color .2s ease; }
.search-link:hover { color: var(--gold); }
.search-link svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.menu-toggle { display: none; width: 39px; height: 39px; padding: 9px; border: 1px solid rgba(255,255,255,.25); border-radius: 8px; color: #fff; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; margin: 4px 0; border-radius: 2px; background: currentColor; }
.mobile-nav { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  isolation: isolate;
  min-height: 500px;
  padding-top: 0;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 78% 43%, rgba(255,194,0,.19), transparent 25%),
    radial-gradient(circle at 44% 100%, rgba(255,160,0,.09), transparent 42%),
    linear-gradient(112deg, #040404 0%, #0c0b08 53%, #171109 100%);
}
.hero-banner {
  position: relative;
  isolation: isolate;
  min-height: 0;
  padding-top: 0;
  background: #160a02;
}
.hero-banner::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at var(--pointer-left, 50%) var(--pointer-top, 50%), rgba(255, 242, 168, .18), transparent 18%);
  mix-blend-mode: screen;
  content: "";
  transition: background-position .2s ease;
}
.hero-banner-image {
  position: relative;
  z-index: 0;
  display: block;
  width: 100%;
  height: auto;
  min-height: 0;
  object-fit: contain;
  object-position: center top;
  will-change: transform;
  transform: translate3d(var(--pointer-x, 0px), calc(var(--pointer-y, 0px) + (var(--hero-shift, 0px) * -1)), 0) scale(1.012);
  transition: transform .22s ease-out, filter .22s ease-out;
}
.hero-banner:hover .hero-banner-image {
  filter: saturate(1.05) brightness(1.025);
}
.hero::before { position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: 70px 70px; opacity: .5; content: ""; }
.hero-noise { position: absolute; inset: 0; z-index: -1; opacity: .1; background-image: radial-gradient(rgba(255,255,255,.5) .45px, transparent .45px); background-size: 5px 5px; mix-blend-mode: overlay; pointer-events: none; }
.hero-particles { position: absolute; z-index: 2; inset: 0; overflow: hidden; pointer-events: none; }
.hero-particles span {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--gold-light);
  box-shadow: 0 0 12px 2px rgba(255, 210, 28, .8);
  animation: particleDrift 5s ease-in-out infinite;
}
.hero-particles span:nth-child(1) { top: 19%; left: 44%; animation-delay: -.5s; }
.hero-particles span:nth-child(2) { top: 34%; left: 59%; animation-delay: -2.2s; }
.hero-particles span:nth-child(3) { top: 72%; left: 67%; animation-delay: -1.4s; }
.hero-particles span:nth-child(4) { top: 16%; left: 83%; animation-delay: -3.1s; }
.hero-particles span:nth-child(5) { top: 82%; left: 30%; animation-delay: -4s; }
.hero-particles span:nth-child(6) { top: 56%; left: 51%; animation-delay: -2.8s; }
.hero-particles span:nth-child(7) { top: 28%; left: 72%; animation-delay: -1.1s; }
.hero-particles span:nth-child(8) { top: 88%; left: 79%; animation-delay: -3.5s; }
.hero-particles span:nth-child(9) { top: 47%; left: 39%; animation-delay: -4.4s; }
.hero-particles span:nth-child(10) { top: 10%; left: 65%; animation-delay: -1.8s; }
.hero-grid { position: relative; z-index: 3; min-height: 500px; padding-top: 56px; display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 20px; }
.hero-copy { position: relative; z-index: 2; max-width: 560px; padding: 18px 0 24px; }
.eyebrow { display: inline-flex; align-items: center; font-size: 11px; font-weight: 900; line-height: 1; }
.eyebrow-gold { padding: 10px 16px; border-radius: 99px; color: #171104; background: var(--gold); }
.hero h1 { max-width: 600px; margin-top: 15px; color: #fff; font-size: clamp(40px, 4vw, 62px); font-weight: 900; letter-spacing: -2.4px; line-height: .91; text-shadow: 0 5px 25px rgba(0,0,0,.35); }
.hero h1 em { color: var(--gold); font-style: normal; }
.hero-description { max-width: 480px; margin-top: 17px; color: rgba(255,255,255,.8); font-size: 12.5px; line-height: 1.58; }
.hero-points { display: flex; align-items: center; flex-wrap: wrap; gap: 15px 20px; margin-top: 20px; }
.hero-point { display: flex; align-items: center; gap: 8px; }
.round-icon { display: inline-flex; align-items: center; justify-content: center; width: 35px; height: 35px; border: 1px solid rgba(255,211,41,.76); border-radius: 50%; color: var(--gold); background: rgba(255,211,41,.06); }
.round-icon svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.6; }
.hero-point b, .hero-point small { display: block; }
.hero-point b { color: #fff; font-size: 11px; font-weight: 700; }
.hero-point small { margin-top: 2px; color: rgba(255,255,255,.64); font-size: 10px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; margin-top: 21px; }
.video-link { display: inline-flex; align-items: center; gap: 9px; color: rgba(255,255,255,.88); font-size: 11px; font-weight: 600; transition: color .2s ease; }
.video-link:hover { color: var(--gold); }
.play-icon { display: inline-flex; align-items: center; justify-content: center; width: 37px; height: 37px; padding-left: 2px; border: 1px solid rgba(255,211,41,.8); border-radius: 50%; color: var(--gold); font-size: 11px; }

/* ---------- Hero artwork ---------- */
.hero-art {
  position: absolute;
  z-index: 0;
  top: 0;
  right: auto;
  bottom: 0;
  left: 50%;
  width: 100vw;
  height: 500px;
  min-height: 0;
  overflow: hidden;
  isolation: isolate;
  transform: translateX(-50%);
  background: #0a0704;
}
.hero-art::before {
  position: absolute;
  z-index: -2;
  inset: -28px;
  background: url("assets/dragon-cat-hero.png") center / cover no-repeat;
  filter: blur(22px) saturate(1.2) brightness(.55);
  opacity: .7;
  transform: scale(1.06);
  content: "";
}
.hero-art-image {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  filter: saturate(1.16) contrast(1.12) brightness(1.02);
  transform: translate3d(var(--pointer-x, 0px), calc(var(--pointer-y, 0px) + (var(--hero-shift, 0px) * -1)), 0) scale(1.045);
  transition: transform .18s ease-out;
}
.hero-art-shade {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(90deg, rgba(3,3,3,.86) 0%, rgba(3,3,3,.68) 23%, rgba(3,3,3,.2) 47%, rgba(3,3,3,.04) 65%, rgba(3,3,3,.14) 100%), linear-gradient(0deg, rgba(5,5,5,.2), transparent 48%);
}
.hero-art-glow {
  position: absolute;
  z-index: 2;
  right: 9%;
  bottom: 9%;
  width: 300px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 188, 0, .12);
  filter: blur(30px);
  pointer-events: none;
}

.social-tile { position: absolute; z-index: 4; display: flex; align-items: center; justify-content: center; border: 5px solid rgba(0,0,0,.29); border-radius: 19px; color: #fff; box-shadow: 0 13px 24px rgba(0,0,0,.38), inset 0 0 0 1px rgba(255,255,255,.25); font-family: Arial, sans-serif; font-weight: 900; transform: rotate(-9deg); }
.social-tile::after { position: absolute; inset: 4px; border: 1px solid rgba(255,255,255,.18); border-radius: 13px; content: ""; }
.tile-facebook { width: 93px; height: 93px; top: 13%; left: 17%; align-items: flex-end; padding-bottom: 0; background: linear-gradient(135deg, #2d80fc, #094ebf); font-size: 82px; line-height: 1; }
.tile-facebook b { transform: translateY(10px); }
.tile-tiktok { width: 87px; height: 87px; top: 35%; left: 8%; background: #080808; font-size: 53px; text-shadow: -4px 3px #24f2ee, 4px -3px #ff3156; transform: rotate(-28deg); }
.tile-youtube { width: 78px; height: 57px; top: 28%; right: 14%; border-radius: 16px; background: linear-gradient(135deg, #ff302e, #c00000); font-size: 33px; transform: rotate(12deg); }
.tile-instagram { width: 78px; height: 78px; top: 52%; right: 5%; border-radius: 22px; background: linear-gradient(135deg, #f7b12e 1%, #f02967 48%, #6336c9 100%); font-size: 67px; transform: rotate(14deg); }
.tile-instagram span { transform: translateY(-3px); }
.strategy-note { position: absolute; z-index: 6; display: flex; align-items: center; gap: 8px; width: 136px; padding: 10px 9px; border: 1px solid rgba(255,211,41,.45); border-radius: 7px; color: rgba(255,255,255,.7); background: rgba(18,14,7,.88); font-size: 9px; line-height: 1.25; box-shadow: 0 8px 18px rgba(0,0,0,.28); }
.strategy-note b { color: #fff; font-weight: 600; }
.note-icon { display: flex; align-items: center; justify-content: center; width: 23px; height: 23px; flex: 0 0 auto; border: 1px solid rgba(255,211,41,.75); border-radius: 5px; color: var(--gold); font-size: 14px; }
.note-one { top: 15%; right: 3%; }
.note-two { top: 38%; right: 0; }
.note-three { top: 60%; right: 4%; }
.portrait { position: absolute; z-index: 3; bottom: -20px; left: 31%; width: 280px; height: 425px; filter: drop-shadow(14px 19px 18px rgba(0,0,0,.46)); }
.portrait-head { position: absolute; z-index: 3; top: 49px; left: 86px; width: 110px; height: 137px; border-radius: 47% 47% 44% 45%; background: linear-gradient(110deg, #b4784d 0%, #f1b985 38%, #a9653f 100%); transform: rotate(-5deg); }
.portrait-hair { position: absolute; z-index: 5; top: 29px; left: 74px; width: 142px; height: 92px; border-radius: 55% 65% 17% 35%; background: #101010; transform: rotate(-7deg); box-shadow: -12px 16px 0 -5px #171717, 15px -3px 0 -7px #252525; }
.portrait-hair::after { position: absolute; bottom: -8px; left: -7px; width: 44px; height: 45px; border-radius: 55% 0 55% 25%; background: #111; content: ""; transform: rotate(13deg); }
.portrait-glasses { position: absolute; top: 50px; left: 3px; width: 105px; height: 27px; border-top: 8px solid #111; border-bottom: 6px solid #111; border-radius: 10px; opacity: .96; transform: rotate(2deg); }
.portrait-glasses::after { position: absolute; top: 2px; right: -31px; width: 37px; border-top: 5px solid #111; content: ""; transform: rotate(-8deg); }
.portrait-neck { position: absolute; z-index: 2; top: 165px; left: 125px; width: 49px; height: 76px; background: #b9794c; transform: rotate(-3deg); }
.portrait-body { position: absolute; z-index: 1; bottom: 0; left: 45px; width: 245px; height: 250px; border-radius: 48% 48% 17% 15%; background: linear-gradient(125deg, #2b2b2b, #050505 48%, #252525); transform: rotate(-2deg); }
.portrait-body::before { position: absolute; top: 0; left: 101px; width: 8px; height: 240px; background: rgba(255,255,255,.1); content: ""; transform: rotate(18deg); }
.portrait-arm { position: absolute; z-index: 4; border-radius: 45px; background: linear-gradient(120deg, #252525, #080808); }
.portrait-arm-one { bottom: 45px; left: 7px; width: 148px; height: 63px; transform: rotate(36deg); }
.portrait-arm-two { bottom: 30px; left: 132px; width: 126px; height: 58px; transform: rotate(-30deg); }
.portrait-chain { position: absolute; z-index: 6; top: 184px; left: 139px; width: 32px; height: 70px; border-bottom: 1px solid var(--gold); border-left: 1px solid var(--gold); border-radius: 0 0 0 25px; transform: rotate(18deg); }
.art-crown { position: absolute; z-index: 6; bottom: 11%; left: 42%; color: var(--gold); font-size: 112px; line-height: .8; opacity: .55; text-shadow: 0 0 24px rgba(255,211,41,.32); transform: rotate(12deg); }
.spark { position: absolute; z-index: 7; color: var(--gold-light); text-shadow: 0 0 10px var(--gold); }
.spark-one { top: 17%; left: 9%; font-size: 21px; }
.spark-two { right: 27%; bottom: 16%; font-size: 17px; }
.spark-three { top: 20%; left: 39%; font-size: 27px; }

/* ---------- Four-item strip ---------- */
.feature-strip { background: #fff; border-bottom: 1px solid var(--line); }
.feature-grid { display: grid; grid-template-columns: repeat(5, 1fr); }
.feature-item { display: flex; align-items: center; gap: 12px; min-height: 80px; padding: 12px 19px; border-right: 1px solid #eee; }
.feature-item:last-child { border-right: 0; }
.feature-icon { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; flex: 0 0 auto; border-radius: 7px; color: #121212; background: var(--gold); font-size: 13px; font-weight: 900; }
.feature-item b, .feature-item small { display: block; }
.feature-item b { font-size: 12px; font-weight: 800; }
.feature-item small { margin-top: 3px; color: #777; font-size: 10px; }

/* ---------- Course section ---------- */
.courses-section { padding: 48px 0 68px; background: radial-gradient(circle at 50% 0%, rgba(255,210,28,.08), transparent 32%), var(--paper); }
.section-heading { max-width: 710px; margin: 0 auto 23px; text-align: center; }
.eyebrow-dark { color: #9d7200; font-size: 10px; font-weight: 800; letter-spacing: .75px; }
.section-heading h2 { margin-top: 8px; color: #101010; font-size: 32px; font-weight: 900; letter-spacing: -.8px; }
.section-heading p { margin: 9px auto 0; color: #666; font-size: 12px; line-height: 1.5; }
.course-grid { display: grid; gap: 14px; }
.course-grid-featured { grid-template-columns: repeat(3, 1fr); }
.course-grid-compact { grid-template-columns: repeat(4, 1fr); margin-top: 14px; }
.course-card { position: relative; min-width: 0; overflow: hidden; padding: 17px; color: #fff; border: 1px solid rgba(0,0,0,.13); border-radius: 10px; box-shadow: var(--shadow); transition: transform .22s ease, box-shadow .22s ease; }
.course-card::before { position: absolute; inset: 0; opacity: .52; background: radial-gradient(circle at 90% 4%, rgba(255,255,255,.25), transparent 24%), linear-gradient(140deg, transparent 45%, rgba(255,255,255,.08)); content: ""; pointer-events: none; }
.course-card:hover { transform: translateY(-5px); box-shadow: 0 19px 36px rgba(0,0,0,.18); }
.course-facebook { background: linear-gradient(145deg, #072a86, #075fe7 66%, #1844a7); }
.course-tiktok { background: linear-gradient(145deg, #190a16, #e7193e 78%, #990b2a); }
.course-combo { background: linear-gradient(145deg, #3e0989, #7928df 70%, #4a17aa); }
.course-gold { background: linear-gradient(145deg, #735000, #bd8700 65%, #d4a600); }
.course-head { position: relative; z-index: 1; display: flex; align-items: center; gap: 11px; min-height: 61px; }
.course-kicker { display: block; font-size: 10px; font-weight: 600; letter-spacing: .55px; opacity: .9; }
.course-head h3 { margin-top: 3px; color: #fff; font-size: 19px; font-weight: 900; letter-spacing: -.35px; line-height: 1.06; }
.platform-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
  overflow: hidden;
  border: 3px solid rgba(255,255,255,.28);
  border-radius: 15px;
  color: #fff;
  box-shadow: inset 0 0 0 2px rgba(0,0,0,.18), 0 9px 18px rgba(0,0,0,.27);
  font-family: Arial, sans-serif;
  font-size: 0;
  font-weight: 900;
  line-height: 1;
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
}
.platform-icon::after {
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(255,255,255,.27);
  border-radius: 10px;
  content: "";
  pointer-events: none;
}
.platform-facebook {
  align-items: flex-end;
  padding-bottom: 0;
  background:
    radial-gradient(circle at 25% 18%, rgba(255,255,255,.5), transparent 20%),
    linear-gradient(145deg, #55a7ff 0%, #1c6ef0 46%, #073baf 100%);
}
.platform-facebook::before {
  position: relative;
  z-index: 1;
  color: #fff;
  content: "f";
  font-size: 55px;
  font-weight: 900;
  line-height: .88;
  text-shadow: 0 3px 4px rgba(0,0,0,.2);
}
.platform-tiktok {
  background:
    radial-gradient(circle at 25% 15%, rgba(255,255,255,.16), transparent 24%),
    linear-gradient(145deg, #17191d, #020203 70%);
}
.platform-tiktok::before {
  position: relative;
  z-index: 1;
  color: #fff;
  content: "♪";
  font-size: 51px;
  font-weight: 900;
  line-height: 1;
  text-shadow: -4px 3px #20ece8, 4px -3px #ff3158;
  transform: translateY(-1px);
}
.platform-ads {
  background:
    radial-gradient(circle at 25% 15%, rgba(255,255,255,.42), transparent 22%),
    linear-gradient(145deg, #ffc53d, #e28c00 60%, #9b5900);
}
.platform-ads::before {
  position: relative;
  z-index: 1;
  color: #fff;
  content: "↗";
  font-size: 31px;
  font-weight: 900;
  text-shadow: 0 2px 3px rgba(0,0,0,.25);
}
.course-card:hover .platform-icon { box-shadow: inset 0 0 0 2px rgba(0,0,0,.12), 0 12px 25px rgba(0,0,0,.32), 0 0 18px rgba(255,255,255,.18); filter: brightness(1.08); transform: translateY(-4px) rotate(-3deg) scale(1.04); }
.platform-stack { display: flex; align-items: center; flex: 0 0 auto; }
.platform-stack .platform-icon { width: 40px; height: 40px; border-width: 2px; border-radius: 10px; }
.platform-stack .platform-icon + .platform-icon { margin-left: -10px; transform: translateY(7px); }
.platform-stack .platform-facebook::before { font-size: 38px; }
.platform-stack .platform-tiktok::before { font-size: 35px; }
.platform-stack .platform-ads::before { font-size: 22px; }
.course-description { position: relative; z-index: 1; min-height: 48px; margin: 11px 0 14px; color: rgba(255,255,255,.91); font-size: 11.5px; line-height: 1.48; }
.course-plans { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.plan-box, .combo-plan { padding: 11px 10px 10px; border-radius: 7px; color: #252525; background: #fff; }
.plan-box > span, .combo-plan > span { display: block; text-align: center; font-size: 10px; font-weight: 600; }
.plan-box strong, .combo-plan strong { display: block; margin: 4px 0 8px; color: #1553bd; text-align: center; font-size: 15px; font-weight: 900; line-height: 1; white-space: nowrap; }
.course-tiktok .plan-box strong { color: #cc1735; }
.plan-box ul, .combo-plan ul, .compact-list { list-style: none; }
.plan-box li, .combo-plan li { position: relative; padding-left: 11px; margin-top: 5px; color: #525252; font-size: 9px; line-height: 1.3; }
.plan-box li::before, .combo-plan li::before, .compact-list li::before { position: absolute; left: 0; color: #4b4b4b; content: "✓"; font-weight: 900; }
.course-button { width: 100%; min-height: 30px; margin-top: 10px; border-radius: 6px; color: #fff; background: var(--blue); font-size: 10px; }
.course-tiktok .course-button { background: var(--red); }
.course-combo .course-button { background: var(--purple); }
.course-gold .course-button { background: #d09300; }
.combo-plan { min-height: 183px; }
.combo-plan strong { color: #5020b2; font-size: 19px; }
.combo-plan li { font-size: 9.5px; }
.compact-card { min-height: 280px; padding: 15px 14px 13px; }
.compact-card .course-head { min-height: 66px; }
.compact-card .platform-icon { width: 49px; height: 49px; border-radius: 12px; }
.compact-card .platform-facebook::before { font-size: 47px; }
.compact-card .platform-tiktok::before { font-size: 43px; }
.compact-card .platform-ads::before { font-size: 27px; }
.compact-card .course-head h3 { font-size: 13.5px; line-height: 1.12; }
.compact-card .course-kicker { font-size: 9px; }
.compact-price { position: relative; z-index: 1; padding: 11px 6px 7px; border-radius: 7px; color: #134bb0; background: rgba(255,255,255,.94); text-align: center; font-size: 18px; font-weight: 900; }
.course-tiktok .compact-price { color: #cc1735; }
.course-gold .compact-price { color: #a16e00; }
.compact-list { position: relative; z-index: 1; min-height: 78px; padding: 6px 3px 0; }
.compact-list li { position: relative; padding: 3px 0 3px 13px; color: rgba(255,255,255,.92); font-size: 10px; line-height: 1.23; }
.compact-list li::before { color: #ffe36a; }

/* ---------- Stats / closing CTA ---------- */
.stats-strip { color: #fff; background: #060606; border-top: 1px solid rgba(255,211,41,.15); border-bottom: 1px solid rgba(255,211,41,.16); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item { display: flex; align-items: center; gap: 13px; min-height: 89px; padding: 12px 22px; border-right: 1px solid rgba(255,255,255,.09); }
.stat-item:last-child { border-right: 0; }
.stat-icon { color: var(--gold); font-size: 29px; font-weight: 800; line-height: 1; }
.stat-item strong, .stat-item small { display: block; }
.stat-item strong { color: #fff; font-size: 13px; font-weight: 800; }
.stat-item small { margin-top: 3px; color: rgba(255,255,255,.62); font-size: 10px; }
.contact-section { padding: 64px 0 68px; background: #f8f8f5; border-bottom: 1px solid var(--line); }
.contact-inner { display: grid; grid-template-columns: .85fr 1.6fr; align-items: center; gap: 46px; }
.contact-heading h2 { max-width: 360px; margin-top: 9px; color: #111; font-size: 29px; font-weight: 900; line-height: 1.08; }
.contact-heading p { max-width: 330px; margin-top: 12px; color: #6c6c6c; font-size: 12px; line-height: 1.55; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.contact-card {
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 72px;
  padding: 12px;
  border: 1px solid #e2e2dd;
  border-radius: 9px;
  color: #151515;
  background: #fff;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .05);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.contact-card:hover { border-color: var(--gold-dark); box-shadow: 0 12px 26px rgba(0, 0, 0, .11); transform: translateY(-4px); }
.contact-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border-radius: 11px;
  color: #fff;
  background: #111;
  font-family: Arial, sans-serif;
  font-size: 20px;
  font-weight: 900;
}
.contact-card b, .contact-card small { display: block; }
.contact-card b { font-size: 12px; font-weight: 900; }
.contact-card small { max-width: 145px; margin-top: 3px; overflow: hidden; color: #737373; font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.contact-phone .contact-card-icon { color: #111; background: var(--gold); }
.contact-telegram .contact-card-icon { background: #168bd0; }
.contact-zalo .contact-card-icon { background: #1677ed; }
.contact-facebook .contact-card-icon { align-items: flex-end; padding-bottom: 1px; background: #1877f2; font-size: 30px; }
.contact-tiktok .contact-card-icon { text-shadow: -2px 1px #24f2ee, 2px -1px #ff3156; background: #050505; }
.final-cta { color: #fff; background: linear-gradient(105deg, #171108, #32230a 50%, #0a0a0a); }
.final-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; min-height: 165px; }
.final-cta h2 { max-width: 700px; margin-top: 10px; color: var(--gold); font-size: 25px; font-weight: 900; letter-spacing: -.7px; line-height: 1.15; }
.final-cta p { margin-top: 8px; color: rgba(255,255,255,.67); font-size: 11px; }
.site-footer { color: rgba(255,255,255,.58); background: #050505; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 58px; font-size: 10px; }
.site-footer b { color: var(--gold); }

.admin-page {
  min-height: 100vh;
  color: #fff;
  background:
    radial-gradient(circle at 85% 5%, rgba(255, 210, 28, .13), transparent 28%),
    #080808;
}
.admin-shell { width: min(860px, calc(100% - 32px)); margin: 0 auto; padding: 28px 0 60px; }
.admin-topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 38px; }
.admin-preview-link { color: var(--gold); font-size: 12px; font-weight: 800; }
.admin-panel {
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid rgba(255, 210, 28, .24);
  border-radius: 12px;
  background: rgba(20, 17, 10, .9);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .35);
}
.admin-panel h1 { margin-top: 8px; font-size: clamp(28px, 4vw, 40px); }
.admin-intro { max-width: 580px; margin-top: 10px; color: rgba(255, 255, 255, .66); font-size: 13px; line-height: 1.55; }
.admin-form { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; margin-top: 30px; }
.admin-form label { display: grid; gap: 7px; color: rgba(255, 255, 255, .82); font-size: 11px; font-weight: 800; }
.admin-form label:nth-child(7) { grid-column: 1 / -1; }
.admin-form input, .admin-form textarea {
  width: 100%;
  padding: 12px 13px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 7px;
  outline: 0;
  color: #fff;
  background: rgba(255, 255, 255, .07);
  font: inherit;
  resize: vertical;
}
.admin-form input { min-height: 44px; }
.admin-form input:focus, .admin-form textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(255, 210, 28, .12); }
.admin-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 15px; grid-column: 1 / -1; }
.admin-reset { border: 0; color: rgba(255, 255, 255, .68); background: transparent; cursor: pointer; font-size: 12px; font-weight: 700; }
.admin-reset:hover { color: var(--gold); }
.admin-status { min-height: 18px; margin-top: 18px; color: var(--gold); font-size: 12px; font-weight: 700; }
.admin-warning { margin-top: 22px; padding: 13px 15px; border-left: 3px solid var(--gold); color: rgba(255, 255, 255, .66); background: rgba(255, 210, 28, .06); font-size: 11px; line-height: 1.55; }
.admin-warning b { color: var(--gold); }

/* ---------- Responsive ---------- */
@media (max-width: 1120px) {
  .main-nav { gap: 16px; }
  .header-inner { gap: 17px; }
  .hero-grid { grid-template-columns: .95fr 1.05fr; }
  .hero h1 { font-size: clamp(40px, 5.3vw, 64px); }
  .hero-points { gap: 14px; }
  .portrait { left: 25%; transform: scale(.9); transform-origin: bottom center; }
  .strategy-note { transform: scale(.91); transform-origin: right center; }
  .course-head h3 { font-size: 17px; }
  .course-card { padding: 14px; }
}
@media (max-width: 900px) {
  .main-nav { display: none; }
  .menu-toggle { display: block; }
  .header-actions { margin-left: auto; }
  .mobile-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; padding-bottom: 12px; }
  .mobile-nav a { padding: 11px 8px; border: 1px solid rgba(255,255,255,.1); border-radius: 6px; color: rgba(255,255,255,.86); background: rgba(255,255,255,.04); font-size: 11px; font-weight: 600; text-align: center; }
  .mobile-nav a:hover, .mobile-nav a:focus { color: var(--gold); border-color: rgba(255,210,28,.5); }
  .hero-grid { grid-template-columns: 1fr; padding-top: 56px; }
  .hero { min-height: 0; }
  .hero-copy { padding-top: 53px; text-align: center; }
  .hero-description { margin-inline: auto; }
  .hero-points, .hero-actions { justify-content: center; }
  .hero-art { top: 0; height: 470px; min-height: 0; margin-top: 0; }
  .portrait { left: 34%; transform: scale(.8); }
  .tile-facebook { left: 21%; }
  .tile-tiktok { left: 11%; }
  .note-one { right: 7%; }
  .note-two { right: 0; }
  .note-three { right: 6%; }
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-item { padding-inline: 10px; }
  .feature-item b { font-size: 10px; }
  .feature-item small { font-size: 9px; }
  .course-grid-featured { grid-template-columns: 1fr 1fr; }
  .course-grid-featured .course-combo { grid-column: 1 / -1; }
  .course-grid-compact { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 25px; }
  .contact-heading h2, .contact-heading p { max-width: 600px; }
  .stat-item:nth-child(2) { border-right: 0; }
  .stat-item:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.09); }
}
@media (max-width: 600px) {
  .container { width: calc(100% - 24px); }
  .scroll-progress { top: 62px; }
  .site-header { min-height: 62px; }
  .header-inner { min-height: 62px; }
  .brand { font-size: 13px; }
  .brand-crown { width: 29px; height: 29px; }
  .header-actions { gap: 7px; }
  .search-link { display: none; }
  .button-small { min-height: 36px; padding-inline: 11px; font-size: 10px; }
  .mobile-nav { width: calc(100% - 24px); grid-template-columns: 1fr 1fr; }
  .hero { padding-top: 62px; }
  .hero-banner { padding-top: 0; }
  .hero-banner-image { width: 100%; height: 470px; object-fit: cover; object-position: center center; }
  .hero-copy { padding-top: 40px; }
  .eyebrow-gold { padding: 9px 12px; font-size: 9px; }
  .hero h1 { font-size: clamp(36px, 11.9vw, 54px); letter-spacing: -2px; }
  .hero-description { font-size: 12px; }
  .hero-points { justify-content: space-between; gap: 8px; }
  .hero-point { gap: 4px; }
  .round-icon { width: 29px; height: 29px; }
  .round-icon svg { width: 14px; height: 14px; }
  .hero-point b { font-size: 9px; }
  .hero-point small { font-size: 8px; }
  .hero-actions { flex-direction: column; gap: 14px; }
  .hero-art { min-height: 350px; }
  .portrait { left: 25%; transform: scale(.63); }
  .tile-facebook { top: 9%; left: 12%; transform: scale(.72) rotate(-9deg); }
  .tile-tiktok { top: 32%; left: 1%; transform: scale(.66) rotate(-28deg); }
  .tile-youtube { top: 20%; right: 3%; transform: scale(.7) rotate(12deg); }
  .tile-instagram { top: 47%; right: -2%; transform: scale(.7) rotate(14deg); }
  .strategy-note { transform: scale(.8); transform-origin: right center; }
  .note-one { top: 9%; right: -2px; }
  .note-two { top: 29%; right: -13px; }
  .note-three { top: 56%; right: -4px; }
  .art-crown { bottom: 6%; left: 36%; font-size: 83px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-item { min-height: 68px; border-bottom: 1px solid #eee; }
  .feature-item:nth-child(2) { border-right: 0; }
  .feature-item:nth-child(4) { border-right: 0; }
  .feature-item:last-child { grid-column: 1 / -1; border-top: 1px solid #eee; border-right: 0; border-bottom: 0; }
  .courses-section { padding-top: 50px; }
  .section-heading h2 { font-size: 27px; }
  .section-heading p { font-size: 11px; }
  .course-grid-featured, .course-grid-compact { grid-template-columns: 1fr; }
  .course-grid-featured .course-combo { grid-column: auto; }
  .course-card { padding: 14px; }
  .course-head h3 { font-size: 18px; }
  .compact-card { min-height: 0; }
  .compact-card .course-head h3 { font-size: 16px; }
  .stats-grid { grid-template-columns: 1fr; }
  .contact-section { padding: 48px 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .stat-item, .stat-item:nth-child(2) { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.09); }
  .stat-item:last-child { border-bottom: 0; }
  .final-cta-inner { min-height: 235px; align-items: flex-start; flex-direction: column; justify-content: center; }
  .final-cta h2 { font-size: 21px; }
  .footer-inner { min-height: 74px; align-items: flex-start; flex-direction: column; justify-content: center; font-size: 9px; }
  .admin-shell { width: calc(100% - 24px); padding-top: 18px; }
  .admin-topbar { align-items: flex-start; flex-direction: column; gap: 13px; margin-bottom: 24px; }
  .admin-form { grid-template-columns: 1fr; }
  .admin-form label:nth-child(7), .admin-actions { grid-column: auto; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* ---------- Reference hero art compatibility ----------
   Legacy emoji dragon/cat rules are kept only when those elements exist; the live page uses a real image layer. */
.hero-art { min-height: 0; overflow: hidden; }
.social-icons { position: absolute; z-index: 6; inset: 0; }
.social {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 75px;
  height: 75px;
  border: 1px solid rgba(255,210,28,.35);
  border-radius: 18px;
  background: rgba(10,10,10,.8);
  box-shadow: 0 10px 30px rgba(0,0,0,.4);
  color: #fff;
  font-family: Arial, sans-serif;
  font-size: 37px;
  font-weight: 800;
  animation: socialFloat 4.8s ease-in-out infinite;
  transition: transform .25s ease, box-shadow .25s ease;
}
.social:hover { box-shadow: 0 0 28px rgba(255, 210, 28, .45); transform: translateY(-7px) scale(1.04); }
.facebook { top: 72px; left: 53%; color: #1680ff; }
.tiktok { top: 190px; left: 47%; color: #fff; text-shadow: -3px 2px #24f2ee, 3px -2px #ff3156; }
.youtube { top: 84px; right: 16%; color: #ff3737; }
.instagram { top: 235px; right: 7%; color: #ff4d9b; }
.strategy-card {
  position: absolute;
  z-index: 8;
  right: 0;
  display: flex;
  align-items: center;
  gap: 9px;
  width: 154px;
  min-height: 62px;
  padding: 9px 10px;
  border: 1px solid rgba(255,210,28,.65);
  border-radius: 9px;
  background: rgba(8,8,8,.86);
  color: #fff;
  font-size: 10px;
  line-height: 1.3;
  box-shadow: 0 10px 25px rgba(0,0,0,.33);
  animation: strategyFloat 5.5s ease-in-out infinite;
  transition: border-color .25s ease, background .25s ease, transform .25s ease;
}
.strategy-card:hover { border-color: var(--gold); background: rgba(23, 18, 7, .94); transform: translateX(-6px); }
.strategy-card-two { animation-delay: -1.8s; }
.strategy-card-three { animation-delay: -3.1s; }
.strategy-card span { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; width: 28px; height: 28px; border: 1px solid var(--gold); border-radius: 6px; color: var(--gold); font-size: 18px; }
.strategy-card-one { top: 75px; right: 24px; }
.strategy-card-two { top: 200px; right: 8px; }
.strategy-card-three { top: 330px; right: 24px; }
.hero-spark { position: absolute; z-index: 9; color: var(--gold); text-shadow: 0 0 12px var(--gold); }
.hero-spark.spark-one { top: 20px; left: 42%; font-size: 27px; }
.hero-spark.spark-two { right: 25%; bottom: 55px; font-size: 20px; }

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .72s ease, transform .72s cubic-bezier(.2, .7, .2, 1);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
.hero-copy > [data-reveal]:nth-child(2) { transition-delay: .08s; }
.hero-copy > [data-reveal]:nth-child(3) { transition-delay: .16s; }
.hero-copy > [data-reveal]:nth-child(4) { transition-delay: .24s; }
.course-grid > [data-reveal]:nth-child(2) { transition-delay: .1s; }
.course-grid > [data-reveal]:nth-child(3) { transition-delay: .2s; }

.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  position: fixed;
  z-index: 1100;
  right: 22px;
  bottom: 22px;
  max-width: min(360px, calc(100% - 44px));
  padding: 14px 17px;
  border: 1px solid rgba(255, 210, 28, .55);
  border-radius: 10px;
  color: #fff;
  background: rgba(16, 13, 7, .95);
  box-shadow: 0 15px 36px rgba(0, 0, 0, .3);
  font-size: 12px;
  font-weight: 700;
  opacity: 0;
  pointer-events: none;
  transform: translateY(18px);
  transition: opacity .25s ease, transform .25s ease;
}
.toast-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  border-radius: 50%;
  color: #12100a;
  background: var(--gold);
  font-size: 14px;
  font-weight: 900;
}
.toast-message { padding-top: 2px; }
.toast.is-error { border-color: rgba(255, 103, 103, .6); }
.toast.is-error .toast-icon { color: #fff; background: #d83b3b; }
.toast.is-visible { opacity: 1; transform: translateY(0); }

.signup-modal {
  position: fixed;
  inset: 0;
  width: min(440px, calc(100% - 28px));
  max-height: calc(100vh - 28px);
  margin: auto;
  overflow: auto;
  padding: 30px;
  border: 1px solid rgba(255, 210, 28, .45);
  border-radius: 12px;
  color: #fff;
  background: #11100d;
  box-shadow: 0 30px 90px rgba(0, 0, 0, .5);
}
.signup-modal::backdrop { background: rgba(0, 0, 0, .72); backdrop-filter: blur(5px); }
.signup-modal h2 { margin-top: 8px; font-size: 27px; }
.signup-modal p { margin-top: 8px; color: rgba(255, 255, 255, .66); font-size: 12px; line-height: 1.55; }
.modal-close {
  position: absolute;
  top: 11px;
  right: 13px;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: rgba(255, 255, 255, .1);
  cursor: pointer;
  font-size: 22px;
  line-height: 1;
}
.signup-form { display: grid; gap: 13px; margin-top: 21px; }
.signup-form label { display: grid; gap: 6px; color: rgba(255, 255, 255, .82); font-size: 11px; font-weight: 700; }
.signup-form input, .signup-form select {
  width: 100%;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 7px;
  outline: 0;
  color: #fff;
  background: rgba(255, 255, 255, .07);
  font: inherit;
}
.signup-form input:focus, .signup-form select:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(255, 210, 28, .12); }
.signup-form select option { color: #111; }
.signup-form .button { width: 100%; margin-top: 4px; }
.back-to-top {
  position: fixed;
  z-index: 900;
  right: 22px;
  bottom: 22px;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 210, 28, .55);
  border-radius: 50%;
  color: #111;
  background: var(--gold);
  cursor: pointer;
  font-size: 20px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity .25s ease, transform .25s ease;
}
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

@keyframes particleDrift {
  0%, 100% { opacity: .2; transform: translate3d(0, 8px, 0) scale(.8); }
  50% { opacity: 1; transform: translate3d(7px, -9px, 0) scale(1.35); }
}
@keyframes socialFloat {
  0%, 100% { transform: translateY(0) rotate(0); }
  50% { transform: translateY(-8px) rotate(-2deg); }
}
@keyframes strategyFloat {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-5px); }
}

@media (max-width: 1120px) {
  .strategy-card-two { right: 12px; }
}
@media (max-width: 900px) {
  .hero-art { min-height: 470px; }
  .facebook { left: 55%; }
  .tiktok { left: 44%; }
  .youtube { right: 15%; }
  .instagram { right: 7%; }
  .strategy-card-one { right: 5%; }
  .strategy-card-two { right: 3%; }
  .strategy-card-three { right: 5%; }
}
@media (max-width: 600px) {
  .hero-art { top: 0; height: 540px; min-height: 0; }
  .hero-art-image { object-fit: cover; object-position: 62% center; }
  .social { width: 55px; height: 55px; font-size: 27px; }
  .facebook { top: 34px; left: 52%; }
  .tiktok { top: 135px; left: 32%; }
  .youtube { top: 54px; right: 15%; }
  .instagram { top: 170px; right: 2%; }
  .strategy-card { transform: scale(.72); transform-origin: right top; }
  .strategy-card-one { top: 45px; right: 0; }
  .strategy-card-two { top: 145px; right: 0; }
  .strategy-card-three { top: 245px; right: 0; }
}