/* ==============================================
   GENCLOUD – SALE TẾT NGUYÊN ĐÁN 2026
   Landing Page – Static (HTML + CSS + JS)
   Font: Be Vietnam Pro (tối ưu tiếng Việt)
   ============================================== */

/* ── CSS Variables ── */
:root {
  /* Bảng màu Tết */
  --red: #d62828;
  --red-bright: #ef233c;
  --red-dark: #8b0000;
  --red-deeper: #5c0011;
  --gold: #FDDC8B;
  --gold-bright: #fbbf24;
  --gold-dark: #b8860b;
  --gold-pale: #fff8dc;
  --crimson: #c1121f;
  --peach: #ffb5a7;

  /* Nền */
  --bg-deep: #060a10;
  --bg-card: #0f1623;
  --bg-card-alt: #141c2b;
  --border: #1e293b;
  --border-glow: #2d3a50;

  /* Text */
  --text: #e8ecf1;
  --text-muted: #8896ab;
  --text-dim: #5c6b82;

  /* Font */
  --font-vn: 'Be Vietnam Pro', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter', var(--font-vn);

  /* Radius */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
}

/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-vn);
  background: var(--bg-deep);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

img { max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; transition: color .3s; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ======================
   LOADING SCREEN
   ====================== */
.loader-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--bg-deep);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity .6s ease, visibility .6s ease;
}

.loader-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-logo {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--gold-bright), var(--gold-pale), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
  letter-spacing: 2px;
  animation: loaderPulse 1.5s ease-in-out infinite;
}

@keyframes loaderPulse {
  0%, 100% { opacity: .6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.04); }
}

.loader-spinner {
  width: 44px;
  height: 44px;
  border: 3px solid rgba(251, 191, 36, .15);
  border-top-color: var(--gold-bright);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loader-text {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 1px;
}

/* ======================
   FIREWORKS CANVAS
   ====================== */
#fireworksCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* ======================
   PARTICLES LAYER
   ====================== */
.particles-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.petal {
  position: absolute;
  width: 10px;
  height: 10px;
  background: radial-gradient(ellipse, #ffb7c5 0%, #ff6b9d 60%, transparent 100%);
  border-radius: 50% 0 50% 0;
  opacity: 0;
  animation: petalDrift linear infinite;
  will-change: transform, opacity;
}

@keyframes petalDrift {
  0% { opacity: 0; transform: translateY(-20px) rotate(0deg) translateX(0); }
  8% { opacity: .7; }
  92% { opacity: .4; }
  100% { opacity: 0; transform: translateY(100vh) rotate(540deg) translateX(80px); }
}

.gold-mote {
  position: absolute;
  width: 2.5px;
  height: 2.5px;
  background: var(--gold-bright);
  border-radius: 50%;
  opacity: 0;
  animation: moteFall linear infinite;
  will-change: transform, opacity;
}

@keyframes moteFall {
  0% { opacity: 0; transform: translateY(-5px); }
  12% { opacity: .5; }
  88% { opacity: .25; }
  100% { opacity: 0; transform: translateY(100vh); }
}

/* ======================
   BACKGROUND AMBIENCE
   ====================== */
.page-wrap {
  position: relative;
  z-index: 2;
  min-height: 100vh;
}

.page-wrap::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(214, 40, 40, .08), transparent),
    radial-gradient(ellipse 70% 50% at 80% 15%, rgba(251, 191, 36, .06), transparent),
    radial-gradient(ellipse 60% 40% at 50% 90%, rgba(214, 40, 40, .05), transparent);
  pointer-events: none;
  z-index: -1;
}

/* ======================
   NAVIGATION
   ====================== */
.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(6, 10, 16, .85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(30, 41, 59, .5);
  padding: 14px 0;
  transition: all .3s ease;
}

.nav-bar.scrolled {
  padding: 10px 0;
  background: rgba(6, 10, 16, .95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, .3);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo img {
  height: 32px;
}

.nav-logo .logo-text {
  background: linear-gradient(135deg, #fff 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color .3s;
}

.nav-links a:hover {
  color: var(--gold);
}

.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--red), var(--red-bright));
  color: #fff !important;
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .3px;
  box-shadow: 0 4px 20px rgba(214, 40, 40, .35);
  transition: all .3s ease;
}

.btn-nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(214, 40, 40, .5);
  color: #fff !important;
}

.nav-mobile-btn {
  display: none;
  background: none;
  border: none;
  color: var(--gold);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
}

/* ======================
   HERO SECTION
   ====================== */
.hero {
  padding: 120px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 140%;
  height: 140%;
  top: -20%;
  left: -20%;
  background: radial-gradient(ellipse at 50% 40%, rgba(214, 40, 40, .12) 0%, transparent 55%);
  animation: heroBreath 7s ease-in-out infinite;
  pointer-events: none;
}

@keyframes heroBreath {
  0%, 100% { opacity: .5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.hero-inner {
  position: relative;
  z-index: 2;
}

/* Lanterns */
.lantern-deco {
  position: absolute;
  top: 80px;
  font-size: 72px;
  animation: swing 4.5s ease-in-out infinite;
  filter: drop-shadow(0 8px 20px rgba(255, 60, 60, .35));
  z-index: 1;
}

.lantern-deco.left { left: 4%; }
.lantern-deco.right { right: 4%; animation-delay: -2.2s; }

@keyframes swing {
  0%, 100% { transform: rotate(-6deg) translateY(0); }
  50% { transform: rotate(6deg) translateY(-8px); }
}

/* Tet chip badge */
.tet-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--red), var(--red-bright));
  color: #fff;
  padding: 8px 22px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  margin-bottom: 20px;
  box-shadow: 0 4px 24px rgba(214, 40, 40, .45);
  animation: chipGlow 2.5s ease-in-out infinite;
}

@keyframes chipGlow {
  0%, 100% { box-shadow: 0 4px 24px rgba(214, 40, 40, .45); }
  50% { box-shadow: 0 4px 44px rgba(214, 40, 40, .75); }
}

/* Year block */
.year-block {
  margin-bottom: 18px;
}

.year-num {
  font-family: var(--font-display);
  font-size: clamp(56px, 10vw, 110px);
  font-weight: 900;
  background: linear-gradient(135deg, var(--gold-bright) 0%, #fffbe6 40%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  display: inline-block;
  position: relative;
  filter: drop-shadow(0 2px 12px rgba(251, 191, 36, .25));
}

.year-zodiac {
  display: inline-block;
  font-size: clamp(32px, 5vw, 56px);
  vertical-align: middle;
  margin-left: 8px;
  animation: zodiacBob 3s ease-in-out infinite;
}

@keyframes zodiacBob {
  0%, 100% { transform: translateY(0) rotate(0); }
  33% { transform: translateY(-6px) rotate(8deg); }
  66% { transform: translateY(2px) rotate(-5deg); }
}

/* Hero Title */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: -.5px;
}

.hero-title .gold-line {
  display: block;
  background: linear-gradient(135deg, var(--gold-bright), #fff8dc, var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title .white-line {
  display: block;
  color: #fff;
  font-size: clamp(18px, 3.5vw, 38px);
  font-weight: 700;
  letter-spacing: 0;
}

.hero-title .white-line .accent {
  color: var(--gold-bright);
}

/* Hero Sub */
.hero-sub {
  font-size: clamp(15px, 2vw, 20px);
  color: var(--text);
  margin-bottom: 28px;
  font-weight: 400;
  line-height: 1.6;
}

.hero-sub strong {
  color: var(--gold-bright);
  font-weight: 700;
}

/* Time frame */
.time-frame {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(214, 40, 40, .12);
  border: 1px solid rgba(214, 40, 40, .25);
  border-radius: var(--r-lg);
  padding: 10px 28px;
  margin-bottom: 28px;
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
  backdrop-filter: blur(6px);
  flex-wrap: wrap;
  justify-content: center;
}

.time-frame i { color: var(--red-bright); }
.time-frame strong { color: var(--gold-bright); }

/* ======================
   COUNTDOWN
   ====================== */
.countdown-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.cd-box {
  width: 88px;
  background: linear-gradient(160deg, rgba(214, 40, 40, .15), rgba(30, 41, 59, .6));
  border: 1px solid rgba(214, 40, 40, .22);
  border-radius: var(--r-md);
  padding: 14px 0;
  text-align: center;
  backdrop-filter: blur(8px);
  transition: border-color .3s, transform .3s;
}

.cd-box:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.cd-num {
  display: block;
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 900;
  color: var(--gold-bright);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.cd-label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-top: 4px;
  font-weight: 600;
}

/* ======================
   SECTION HEADING
   ====================== */
.sec-heading {
  text-align: center;
  margin-bottom: 48px;
}

.sec-deco {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 12px;
}

.sec-deco .bar {
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--red), transparent);
  border-radius: 2px;
}

.sec-deco .ico { font-size: 22px; }

.sec-heading h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.5vw, 38px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}

.sec-heading h2 .hl {
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sec-heading p {
  color: var(--text-muted);
  font-size: 15px;
}

/* ======================
   PRICING CARDS
   ====================== */
.pricing-section {
  padding: 80px 0 60px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.p-card {
  background: linear-gradient(170deg, var(--bg-card-alt), var(--bg-card));
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform .4s cubic-bezier(.165, .84, .44, 1), box-shadow .4s ease, border-color .3s;
  position: relative;
}

.p-card:hover {
  transform: translateY(-8px);
  border-color: var(--gold);
  box-shadow:
    0 24px 48px rgba(0, 0, 0, .35),
    0 0 0 1px rgba(251, 191, 36, .15),
    0 0 40px rgba(251, 191, 36, .08);
}

/* Featured / HOT card */
.p-card.hot {
  border-color: var(--red);
  box-shadow: 0 0 24px rgba(214, 40, 40, .18);
}

.p-card.hot::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--gold-bright), var(--red));
  background-size: 200% 100%;
  animation: barSlide 3s linear infinite;
  z-index: 2;
}

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

/* Ribbon */
.ribbon {
  position: absolute;
  top: 16px;
  right: -30px;
  width: 130px;
  text-align: center;
  font-size: 11px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--red), var(--crimson));
  transform: rotate(45deg);
  padding: 5px 0;
  box-shadow: 0 2px 10px rgba(214, 40, 40, .45);
  letter-spacing: .5px;
  z-index: 3;
}

/* Card header */
.p-card-head {
  background: linear-gradient(160deg, rgba(214, 40, 40, .08), transparent);
  padding: 22px 22px 14px;
  text-align: center;
}

.p-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 10px;
}

.p-tag.tag-red {
  background: linear-gradient(135deg, var(--red), var(--red-bright));
  color: #fff;
}

.p-tag.tag-gold {
  background: linear-gradient(135deg, var(--gold-bright), var(--gold-dark));
  color: #111;
  animation: tagPop 2.5s ease-in-out infinite;
}

@keyframes tagPop {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}

.p-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
  line-height: 1.3;
}

/* Price block */
.p-price-block {
  padding: 18px 22px;
  text-align: center;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.p-new {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 900;
  color: var(--gold-bright);
  line-height: 1.1;
}

.p-new .unit { font-size: 16px; vertical-align: super; }
.p-new .per { font-size: 14px; color: var(--text-muted); font-weight: 400; }

.p-badge {
  display: inline-block;
  margin-top: 8px;
  padding: 5px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--red), var(--crimson));
  animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(214, 40, 40, .4); }
  50% { box-shadow: 0 0 0 8px rgba(214, 40, 40, 0); }
}

/* Features list */
.p-features {
  padding: 16px 22px;
  flex: 1;
}

.feat {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 5px 0;
  font-size: 13px;
  color: #c8d0db;
  line-height: 1.4;
}

.feat i {
  color: var(--gold);
  font-size: 12px;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}

/* Card footer */
.p-foot {
  padding: 14px 22px 22px;
}

.btn-order {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 13px;
  border: 2px solid var(--gold);
  background: transparent;
  color: var(--gold);
  font-family: var(--font-vn);
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--r-sm);
  text-decoration: none;
  transition: all .3s ease;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.btn-order:hover {
  background: linear-gradient(135deg, var(--gold-bright), var(--gold-dark));
  color: #111;
  border-color: var(--gold-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(251, 191, 36, .28);
}

.p-card.hot .btn-order {
  background: linear-gradient(135deg, var(--red), var(--red-bright));
  border-color: var(--red);
  color: #fff;
}

.p-card.hot .btn-order:hover {
  box-shadow: 0 8px 24px rgba(214, 40, 40, .35);
  background: linear-gradient(135deg, #ef4444, #e11d48);
}

/* Tip box */
.tip-box {
  max-width: 680px;
  margin: 32px auto 0;
  background: linear-gradient(135deg, rgba(251, 191, 36, .06), rgba(214, 40, 40, .06));
  border: 1px solid rgba(251, 191, 36, .18);
  border-radius: var(--r-md);
  padding: 20px 24px;
  text-align: center;
}

.tip-box p { margin: 0; font-size: 14px; line-height: 1.6; }
.tip-box .hl { color: var(--gold-bright); font-weight: 700; }

/* ======================
   DISCOUNT / VOUCHER SECTION
   ====================== */
.discount-section {
  padding: 80px 0;
}

.discount-card {
  position: relative;
  border-radius: var(--r-xl);
  padding: 3px;
  background: linear-gradient(135deg, var(--red), var(--gold-bright), var(--red), var(--gold-bright));
  background-size: 300% 300%;
  animation: shiftGrad 5s linear infinite;
  overflow: hidden;
}

@keyframes shiftGrad {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.discount-inner {
  background: linear-gradient(160deg, #0e1420 0%, #0a0e18 50%, #120a0a 100%);
  border-radius: calc(var(--r-xl) - 3px);
  padding: clamp(32px, 5vw, 64px);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Noise texture */
.discount-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
}

/* 3D Stamp */
.stamp-3d {
  display: inline-block;
  position: relative;
  margin-bottom: 28px;
}

.stamp-circle {
  width: clamp(160px, 22vw, 220px);
  height: clamp(160px, 22vw, 220px);
  border: 5px solid var(--red);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  background: radial-gradient(circle, rgba(214, 40, 40, .15), transparent 70%);
  box-shadow:
    0 0 0 4px rgba(214, 40, 40, .15),
    0 0 40px rgba(214, 40, 40, .2),
    0 12px 40px rgba(0, 0, 0, .4),
    inset 0 0 30px rgba(214, 40, 40, .1);
  animation: stampFloat 4s ease-in-out infinite;
}

@keyframes stampFloat {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50% { transform: translateY(-8px) rotate(3deg); }
}

.stamp-circle::before {
  content: '';
  position: absolute;
  inset: -12px;
  border: 2px dashed rgba(214, 40, 40, .4);
  border-radius: 50%;
  animation: stampRotate 20s linear infinite;
}

@keyframes stampRotate {
  to { transform: rotate(360deg); }
}

.stamp-percent {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 72px);
  font-weight: 900;
  color: var(--red-bright);
  line-height: 1;
  text-shadow: 0 2px 20px rgba(214, 40, 40, .4);
}

.stamp-percent .percent-sign {
  font-size: .6em;
}

.stamp-label {
  font-size: 12px;
  font-weight: 800;
  color: var(--gold-bright);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-top: 4px;
}

.discount-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 32px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.3;
}

.discount-title .hl-gold {
  color: var(--gold-bright);
}

.discount-title .hl-red {
  color: var(--red-bright);
}

/* Apply info */
.apply-info {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.apply-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(251, 191, 36, .08);
  border: 1px solid rgba(251, 191, 36, .2);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.apply-tag i {
  color: var(--gold-bright);
}

/* Date range */
.date-range {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  background: rgba(214, 40, 40, .1);
  border: 1px solid rgba(214, 40, 40, .25);
  border-radius: var(--r-md);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 28px;
}

.date-range i {
  color: var(--red-bright);
}

.date-range strong {
  color: var(--gold-bright);
}

/* Voucher code */
.code-strip {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: rgba(251, 191, 36, .08);
  border: 2px dashed rgba(251, 191, 36, .45);
  border-radius: var(--r-md);
  padding: 14px 28px;
  margin-bottom: 14px;
}

.code-strip-info {
  text-align: left;
}

.code-strip-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.code-strip-value {
  font-family: 'Courier New', 'Consolas', monospace;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  color: var(--gold-bright);
  letter-spacing: 4px;
}

.btn-copy {
  background: linear-gradient(135deg, var(--gold-bright), var(--gold-dark));
  color: #111;
  border: none;
  padding: 11px 22px;
  border-radius: var(--r-sm);
  font-family: var(--font-vn);
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  transition: all .25s ease;
  white-space: nowrap;
}

.btn-copy:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(251, 191, 36, .35);
}

.discount-note {
  color: var(--text-dim);
  font-size: 13px;
  margin-top: 14px;
  line-height: 1.5;
}

/* ======================
   FEATURES BAR
   ====================== */
.features-section {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.fb-item {
  text-align: center;
  padding: 16px 8px;
  transition: transform .3s;
}

.fb-item:hover {
  transform: translateY(-4px);
}

.fb-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 12px;
  transition: transform .3s;
}

.fb-item:hover .fb-icon {
  transform: scale(1.1);
}

.fb-icon.ic-red { background: rgba(214, 40, 40, .12); color: var(--red-bright); }
.fb-icon.ic-gold { background: rgba(251, 191, 36, .12); color: var(--gold-bright); }
.fb-icon.ic-blue { background: rgba(59, 130, 246, .12); color: #60a5fa; }
.fb-icon.ic-green { background: rgba(34, 197, 94, .12); color: #4ade80; }

.fb-title {
  font-weight: 700;
  font-size: 14px;
  color: #fff;
  margin-bottom: 4px;
}

.fb-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ======================
   FAQ
   ====================== */
.faq-section {
  padding: 80px 0;
}

.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

.faq-card {
  background: linear-gradient(170deg, var(--bg-card-alt), var(--bg-card));
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color .3s;
}

.faq-card:hover { border-color: var(--border-glow); }

.faq-card summary {
  padding: 15px 22px;
  cursor: pointer;
  font-family: var(--font-vn);
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: color .3s;
}

.faq-card summary::-webkit-details-marker { display: none; }

.faq-card summary::before {
  content: '\f054';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 10px;
  color: var(--gold);
  transition: transform .3s;
  flex-shrink: 0;
}

.faq-card[open] summary::before { transform: rotate(90deg); }
.faq-card summary:hover { color: var(--gold); }

.faq-body {
  padding: 0 22px 14px 42px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.7;
}

.faq-body a { color: var(--gold); }
.faq-body strong { color: var(--text); }
.faq-body code {
  background: var(--bg-card-alt);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--gold-bright);
  font-size: 12px;
}

/* ======================
   CTA SECTION
   ====================== */
.cta-section {
  padding: 48px 0 64px;
}

.cta-box {
  background: linear-gradient(160deg, rgba(214, 40, 40, .12), rgba(30, 41, 59, .5));
  border: 1px solid rgba(214, 40, 40, .2);
  border-radius: var(--r-xl);
  padding: clamp(32px, 5vw, 56px);
  text-align: center;
  backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(251, 191, 36, .06), transparent 60%);
  pointer-events: none;
}

.cta-emoji { font-size: 48px; margin-bottom: 14px; }

.cta-box h3 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  position: relative;
}

.cta-box > p {
  color: #bfc8d6;
  font-size: 15px;
  margin-bottom: 24px;
  line-height: 1.6;
  position: relative;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--red), var(--red-bright));
  color: #fff;
  padding: 16px 40px;
  border-radius: var(--r-md);
  font-family: var(--font-vn);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all .3s ease;
  position: relative;
}

.btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(214, 40, 40, .35);
  color: #fff;
}

.cta-links {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  position: relative;
}

.cta-links a {
  color: var(--gold);
  font-size: 13px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.cta-links a:hover { color: #fff; }

/* ======================
   FOOTER
   ====================== */
.site-footer {
  padding: 40px 0 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  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-text {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  background: linear-gradient(135deg, #fff, var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-copy {
  font-size: 13px;
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-links a:hover { color: var(--gold); }

/* ======================
   PARALLAX ELEMENTS
   ====================== */
.parallax-layer {
  position: absolute;
  pointer-events: none;
  will-change: transform;
}

.deco-flower {
  position: absolute;
  font-size: clamp(28px, 4vw, 48px);
  opacity: .15;
  filter: blur(1px);
}

.deco-flower.f1 { top: 15%; left: 5%; }
.deco-flower.f2 { top: 30%; right: 3%; }
.deco-flower.f3 { top: 60%; left: 8%; }
.deco-flower.f4 { top: 75%; right: 6%; }
.deco-flower.f5 { top: 45%; left: 2%; }
.deco-flower.f6 { top: 85%; right: 10%; }

/* ======================
   RESPONSIVE
   ====================== */
@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid > :last-child {
    grid-column: 1 / -1;
    max-width: 500px;
    justify-self: center;
    width: 100%;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-mobile-btn { display: block; }

  .hero {
    padding: 100px 0 48px;
  }

  .lantern-deco { display: none; }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid > :last-child {
    max-width: 100%;
  }

  .cd-box { width: 72px; padding: 10px 0; }
  .cd-num { font-size: 26px; }

  .p-new { font-size: 24px; }

  .code-strip {
    flex-direction: column;
    gap: 10px;
    padding: 14px 18px;
  }

  .apply-info {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .cta-box { padding: 24px; }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }

  .deco-flower { display: none; }
}

@media (max-width: 480px) {
  .hero { padding: 90px 0 40px; }

  .cd-box { width: 64px; }
  .cd-num { font-size: 22px; }

  .hero-title {
    font-size: clamp(20px, 6vw, 32px);
  }

  .hero-title .white-line {
    font-size: clamp(14px, 4vw, 22px);
  }

  .time-frame {
    padding: 8px 16px;
    font-size: 12px;
    gap: 6px;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .stamp-circle {
    width: 140px;
    height: 140px;
  }
}

/* ======================
   MOBILE MENU OVERLAY
   ====================== */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, .7);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: all .3s ease;
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 280px;
  height: 100%;
  background: var(--bg-card);
  padding: 24px;
  transform: translateX(100%);
  transition: transform .3s ease;
  border-left: 1px solid var(--border);
}

.mobile-menu-overlay.active .mobile-menu-panel {
  transform: translateX(0);
}

.mobile-menu-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  position: absolute;
  top: 16px;
  right: 16px;
}

.mobile-menu-panel ul {
  margin-top: 48px;
}

.mobile-menu-panel ul li {
  border-bottom: 1px solid var(--border);
}

.mobile-menu-panel ul li a {
  display: block;
  padding: 14px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}

.mobile-menu-panel ul li a:hover {
  color: var(--gold);
}

/* ======================
   UTILITY / ANIMATION HELPERS
   ====================== */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }

/* Scroll to top button */
.scroll-top-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--red), var(--red-bright));
  color: #fff;
  border: none;
  font-size: 18px;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all .3s ease;
  box-shadow: 0 4px 16px rgba(214, 40, 40, .3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(214, 40, 40, .45);
}