/* ═══════════════════════════════════════════
   THINH LONG GROUP - LANDING PAGE CSS
   Clean, Professional, Modern Design
   ═══════════════════════════════════════════ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', 'Baloo 2', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #3a3a3a;
  background-color: #FFEBD6;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

:root {
  --orange: #EA580C;
  --orange-light: #FFEDD5;
  --green: #15803D;
  --green-light: #DCFCE7;
  --cream: #FFF7F0;
  --dark: #1a1a2e;
  --gray: #475569;
  --gray-light: #f1f5f9;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.checker-bg,
.hero {
  position: relative;
  padding: 60px 0 70px;
  background-color: #FFEBD6;
  background-image:
    linear-gradient(45deg, #FFD8B3 25%, transparent 25%),
    linear-gradient(-45deg, #FFD8B3 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #FFD8B3 75%),
    linear-gradient(-45deg, transparent 75%, #FFD8B3 75%);
  background-size: 40px 40px;
  background-position: 0 0, 0 20px, 20px -20px, -20px 0px;
  overflow: hidden;
}

/* ═══════ HEADER ═══════ */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 247, 238, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo-img {
  height: 40px;
}

nav ul {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 600;
  color: #374151;
}

nav a:hover {
  color: var(--orange);
}

.btn-nav-cta {
  background: var(--orange);
  color: #fff !important;
  padding: 9px 22px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 13px;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 2px 12px rgba(234, 88, 12, 0.35);
}

.btn-nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(234, 88, 12, 0.45);
}

.mobile-toggle {
  display: none;
  font-size: 24px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--dark);
}

/* Floating Swaying Decor Elements (Bông hoa & chiếc lá lắc lư) */
.floating-decor {
  position: absolute;
  font-size: 28px;
  pointer-events: none;
  z-index: 1;
  user-select: none;
  animation: swayDecor 3.5s ease-in-out infinite;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.08));
}

.decor-flag-kr {
  top: 14%;
  left: 41%;
  font-size: 14px;
  font-weight: 900;
  background: #fff;
  color: #0047A0;
  padding: 6px 14px;
  border-radius: 100px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
  border: 2px solid #bfdbfe;
  animation-delay: 0.8s;
}

.decor-flag-jp {
  top: 10%;
  right: 28%;
  font-size: 14px;
  font-weight: 900;
  background: #fff;
  color: #BC002D;
  padding: 6px 14px;
  border-radius: 100px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
  border: 2px solid #fecdd3;
  animation-delay: 1.5s;
}

.decor-flower1 {
  top: 10%;
  left: 2%;
  animation-delay: 0s;
}

.decor-flower2 {
  bottom: 15%;
  right: 3%;
  animation-delay: 1.2s;
}

.decor-leaf1 {
  top: 48%;
  left: 1%;
  animation-delay: 0.6s;
}

.decor-leaf2 {
  top: 16%;
  right: 46%;
  animation-delay: 1.8s;
}

.decor-star {
  top: 12%;
  right: 4%;
  animation-delay: 0.4s;
}

.decor-cloud {
  bottom: 10%;
  left: 4%;
  animation-delay: 2s;
}

@keyframes swayDecor {

  0%,
  100% {
    transform: translateY(0) rotate(-12deg) scale(1);
  }

  50% {
    transform: translateY(-16px) rotate(14deg) scale(1.12);
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

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

.badge {
  display: inline-block;
  background: linear-gradient(135deg, #ea580c, #c2410c);
  color: #ffffff;
  font-size: 13px;
  font-weight: 800;
  padding: 7px 18px;
  border-radius: 100px;
  margin-bottom: 16px;
  box-shadow: 0 4px 14px rgba(234, 88, 12, 0.35);
}

.hero h1 {
  font-size: 38px;
  font-weight: 900;
  line-height: 1.2;
  color: var(--dark);
  margin-bottom: 16px;
}

.highlight-free {
  display: inline-block;
  font-size: 48px;
  font-weight: 900;
  color: #15803D;
  position: relative;
  margin-top: 8px;
  background: rgba(220, 252, 231, 0.65);
  backdrop-filter: blur(2px);
  padding: 6px 24px;
  border-radius: 20px;
  border: 2.5px dashed #4ADE80;
  box-shadow: 0 4px 20px rgba(21, 128, 61, 0.15);
}

.leaf-icon {
  display: inline-block;
  animation: leafSwing 2.5s ease-in-out infinite;
  transform-origin: bottom center;
}

@keyframes leafSwing {

  0%,
  100% {
    transform: rotate(0deg);
  }

  50% {
    transform: rotate(18deg);
  }
}

.hero-sub {
  font-size: 17px;
  color: var(--gray);
  margin-bottom: 28px;
  max-width: 460px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-bottom: 32px;
}

.stat {
  text-align: center;
}

.stat-num {
  display: block;
  font-size: 28px;
  font-weight: 900;
  color: var(--orange);
}

.stat-label {
  font-size: 12px;
  color: var(--gray);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.btn-primary {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
  transition: transform .2s, box-shadow .2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(255, 107, 53, 0.45);
}

.btn-hero-cta {
  display: inline-block;
  background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%);
  color: #ffffff;
  font-weight: 800;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 100px;
  box-shadow: 0 6px 20px rgba(234, 88, 12, 0.35);
  transition: transform .2s, box-shadow .2s;
  margin-top: 4px;
}

.btn-hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(234, 88, 12, 0.45);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-end;
}

.hero-dual-container {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 20px;
  width: 100%;
  max-width: 520px;
}

.hero-img-card {
  position: relative;
  background: transparent;
  border: none;
  box-shadow: none;
  border-radius: 0;
  width: 48%;
  overflow: visible;
  transition: transform .3s ease;
}

.hero-card-kr {
  transform: translateY(0);
}

.hero-card-jp {
  transform: translateY(10px);
}

.hero-card-kr:hover {
  transform: scale(1.05);
  z-index: 5;
}

.hero-card-jp:hover {
  transform: translateY(0) scale(1.05);
  z-index: 5;
}

.hero-img {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: contain;
  border-radius: 0;
  filter: drop-shadow(2px 0 0 #FF6B35) drop-shadow(-2px 0 0 #FF6B35) drop-shadow(0 2px 0 #FF6B35) drop-shadow(0 -2px 0 #FF6B35) drop-shadow(0 12px 24px rgba(0, 0, 0, 0.12));
}

.hero-badge {
  position: absolute;
  background: #fff;
  padding: 7px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.15);
  color: var(--dark);
  white-space: nowrap;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: floatBadge 3s ease-in-out infinite;
}

.badge-kr {
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 3.5px solid #0047A0;
}

.badge-jp {
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 3.5px solid #BC002D;
  animation-delay: 1s;
}

.badge-free {
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: #DCFCE7;
  color: #15803D;
  border: 1.5px solid #86EFAC;
  font-weight: 800;
  animation-delay: 0.5s;
}

@keyframes floatBadge {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

.badge-free {
  animation-name: floatFree;
}

@keyframes floatFree {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(-6px);
  }
}

/* ═══════ SECTIONS ═══════ */
section {
  padding: 80px 0;
}

.section-alt {
  background: var(--gray-light);
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 10px;
}

.section-header p {
  color: var(--gray);
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto;
}

.sub-section-title {
  text-align: center;
  font-size: 20px;
  font-weight: 700;
  margin: 48px 0 24px;
  color: var(--dark);
}

/* ═══════ COMPARE CARDS (VẤN ĐỀ & GIẢI PHÁP) ═══════ */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.compare-card {
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .25s;
}

.compare-card:hover {
  transform: translateY(-4px);
}

.compare-card.problem {
  background: #FFF7F0;
  border: 2px solid #FFE0C2;
  color: #431407;
}

.compare-card.solution {
  background: linear-gradient(135deg, #15803d 0%, #166534 100%);
  border: 2px solid #86efac;
  color: #ffffff;
  box-shadow: 0 10px 30px rgba(21, 128, 61, 0.25);
}

.compare-label {
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.compare-card.problem .compare-label {
  color: #dc2626;
}

.compare-card.solution .compare-label {
  color: #ffffff;
  font-weight: 900;
}

.compare-card ul li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  font-size: 15px;
  color: #374151;
  line-height: 1.6;
}

.compare-card.solution ul li {
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.compare-card ul li:last-child {
  border-bottom: none;
}

/* ═══════ PROGRAM CARDS (3 KHỐI + SLIDER) ═══════ */
.program-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.prog-card {
  background: #FFF7F0;
  border: 2px solid #FFE0C2;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .25s, box-shadow .25s;
  display: flex;
  flex-direction: column;
}

.prog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

/* Slider inside cards */
.prog-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16/10;
  background: #e5e7eb;
  overflow: hidden;
}

.prog-slider-track {
  width: 100%;
  height: 100%;
  position: relative;
}

.prog-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity .6s ease;
}

.prog-slide.active {
  opacity: 1;
  z-index: 1;
}

.prog-dots {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 6px;
  z-index: 5;
}

.prog-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all .25s;
}

.prog-dot.active {
  background: #fff;
  width: 18px;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.prog-content {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.prog-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
  width: fit-content;
}

.tag-orange {
  background: #ea580c;
  color: #ffffff;
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(234, 88, 12, 0.3);
}

.tag-green {
  background: #15803d;
  color: #ffffff;
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(21, 128, 61, 0.3);
}

.tag-amber {
  background: #d97706;
  color: #ffffff;
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(217, 119, 6, 0.3);
}

.prog-card h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--dark);
  line-height: 1.35;
}

.prog-detail {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.prog-item strong {
  display: block;
  font-size: 14px;
  color: var(--orange);
  margin-bottom: 3px;
  font-weight: 700;
}

.prog-item p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.55;
}

/* ═══════ FACILITY GRID ═══════ */
.facility-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.fac-card {
  background: #FFF7F0;
  border: 2px solid #FFE0C2;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .25s;
}

.fac-card:hover {
  transform: translateY(-4px);
}

.fac-img {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.fac-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s;
}

.fac-card:hover .fac-img img {
  transform: scale(1.04);
}

.fac-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
  color: #fff;
}

.fac-badge.blue {
  background: rgba(14, 165, 233, .88);
}

.fac-badge.green {
  background: rgba(34, 197, 94, .88);
}

.fac-badge.orange {
  background: rgba(249, 115, 22, .88);
}

.fac-badge.purple {
  background: rgba(139, 92, 246, .88);
}

.fac-card h4 {
  padding: 14px 16px 4px;
  font-size: 14px;
  font-weight: 800;
  color: #1e293b;
}

.fac-card>p {
  padding: 0 16px 16px;
  font-size: 13px;
  color: #475569;
  line-height: 1.5;
}

/* ═══════ TESTIMONIALS ═══════ */
.testi-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 36px;
}

.testi-card {
  background: #FFF7F0;
  border: 2px solid #FFE0C2;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform .25s;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testi-card:hover {
  transform: translateY(-4px);
}

.testi-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.testi-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 15%;
  flex-shrink: 0;
  border: 2.5px solid var(--orange);
}

.testi-stars {
  font-size: 13px;
  margin-top: 2px;
}

.testi-card p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.65;
  font-style: italic;
}

/* ═══════ PHOTO GRID ═══════ */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.photo-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow);
}

.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s;
}

.photo-item:hover img {
  transform: scale(1.05);
}

.photo-item span {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  color: #fff;
  padding: 24px 14px 12px;
  font-size: 12px;
  font-weight: 600;
}

/* ═══════ HERO COUNTDOWN & FORM (NGAY DƯỚI TIÊU ĐỀ HERO) ═══════ */
.hero-form-section {
  padding: 0 0 60px;
  background: var(--cream);
  margin-top: -20px;
}

.hero-countdown-box {
  background: linear-gradient(135deg, var(--orange) 0%, #e85d26 100%);
  color: #fff;
  border-radius: 20px;
  padding: 24px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
  box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

.fire-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .5px;
  margin-bottom: 6px;
}

.countdown-left h2 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 4px;
}

.countdown-left p {
  font-size: 14px;
  opacity: 0.9;
}

.hero-countdown-box .countdown {
  display: flex;
  gap: 10px;
  margin-bottom: 0;
}

.hero-countdown-box .cd-unit {
  background: #fff;
  color: var(--dark);
  border-radius: 10px;
  padding: 10px 14px;
  min-width: 60px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.hero-countdown-box .cd-num {
  font-size: 22px;
  font-weight: 900;
  color: var(--orange);
}

.hero-countdown-box .cd-unit small {
  font-size: 10px;
  color: var(--gray);
}

/* ═══════ DEPOSIT & REFUND POLICY ═══════ */
.deposit-section {
  padding: 70px 0;
  background: #fff;
}

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

.deposit-card {
  background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%);
  border: 2px solid #fdba74;
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: left;
  color: #ffffff;
  box-shadow: 0 10px 30px rgba(234, 88, 12, 0.25);
  transition: transform .25s;
}

.deposit-card:hover {
  transform: translateY(-4px);
}

.deposit-card.highlight-card {
  background: linear-gradient(135deg, #15803d 0%, #166534 100%);
  border: 2px solid #86efac;
  color: #ffffff;
  box-shadow: 0 10px 30px rgba(21, 128, 61, 0.25);
}

.dep-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.deposit-card h3 {
  font-size: 18px;
  font-weight: 900;
  margin-bottom: 12px;
  color: #ffffff;
}

.deposit-card p {
  font-size: 14px;
  color: #ffffff;
  line-height: 1.6;
  opacity: 0.96;
}

.deposit-card strong {
  color: #ffffff;
  text-decoration: underline;
}

.dep-steps {
  padding-left: 0;
  list-style: none;
}

.dep-steps li {
  font-size: 13.5px;
  color: #ffffff;
  margin-bottom: 8px;
  line-height: 1.5;
  opacity: 0.96;
}

/* ═══════ FORM STYLES ═══════ */
.form-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: start;
  background: #fff;
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--shadow);
}

.form-info h2 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--dark);
}

.form-info h2 span {
  color: var(--orange);
}

.form-info>p {
  color: var(--gray);
  font-size: 14px;
  margin-bottom: 24px;
  line-height: 1.6;
}

.form-benefits li {
  padding: 8px 0;
  font-size: 14px;
  color: #374151;
}

.reg-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-section-title {
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: #ffffff;
  background: #ea580c;
  padding: 6px 14px;
  border-radius: 6px;
  width: fit-content;
  margin-top: 4px;
  box-shadow: 0 2px 8px rgba(234, 88, 12, 0.3);
}

.form-section-title.refund-title {
  color: #ffffff;
  background: #15803d;
  box-shadow: 0 2px 8px rgba(21, 128, 61, 0.3);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-field label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: #374151;
  margin-bottom: 6px;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid #e5e7eb;
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  background: #fafafa;
  color: var(--dark);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.btn-submit {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: 100px;
  background: var(--orange);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
  transition: transform .2s, box-shadow .2s;
  margin-top: 8px;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(255, 107, 53, 0.45);
}

/* ═══════ FOOTER ═══════ */
footer {
  background: #1a1a2e;
  color: #d1d5db;
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-logo-wrap {
  background: #fff;
  display: inline-block;
  padding: 6px 14px;
  border-radius: 10px;
  margin-bottom: 12px;
}

.footer-logo-img {
  height: 36px;
}

.footer-brand>p {
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 16px;
  opacity: .85;
}

.socials {
  display: flex;
  gap: 10px;
}

.socials a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #d1d5db;
  font-size: 12px;
  font-weight: 700;
  transition: background .2s;
}

.socials a:hover {
  background: rgba(255, 255, 255, 0.2);
}

.footer-contact h4,
.footer-map h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.footer-contact ul li {
  font-size: 13px;
  margin-bottom: 10px;
  line-height: 1.5;
}

.footer-contact a {
  text-decoration: underline;
  color: #93c5fd;
}

.map-wrap {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
  opacity: .6;
}

/* ═══════ ZALO FLOAT ═══════ */
.zalo-float {
  position: fixed;
  bottom: 28px;
  right: 20px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 8px;
}

.zalo-bubble {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #0068FF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 16px rgba(0, 104, 255, 0.4);
  transition: transform .2s;
}

.zalo-float:hover .zalo-bubble {
  transform: scale(1.08);
}

.zalo-label {
  background: #0068FF;
  color: #fff;
  padding: 6px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(234, 88, 12, 0.15);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
}

.mobile-cta a {
  display: block;
  text-align: center;
  background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%);
  color: #ffffff;
  font-weight: 800;
  font-size: 13.5px;
  padding: 11px 16px;
  border-radius: 100px;
  box-shadow: 0 3px 12px rgba(234, 88, 12, 0.35);
  letter-spacing: 0.2px;
}

/* ═══════ SCROLL ANIMATION ═══════ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease, transform .5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════ RESPONSIVE OVERHAUL FOR MOBILE ═══════ */
@media (max-width: 1024px) {
  .facility-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .program-cards {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  /* Navigation */
  nav ul {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  /* Hero Section */
  .hero {
    padding: 36px 0 44px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 28px;
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero h1 {
    font-size: 26px;
    line-height: 1.25;
  }

  .highlight-free {
    font-size: 28px;
    padding: 5px 16px;
    border-radius: 14px;
    margin-top: 6px;
  }

  .hero-sub {
    font-size: 15px;
    margin: 12px auto 20px;
    max-width: 100%;
  }

  .hero-stats {
    justify-content: center;
    gap: 20px;
    margin-bottom: 24px;
  }

  .stat-num {
    font-size: 22px;
  }

  .stat-label {
    font-size: 11px;
  }

  /* Dual Cutout Models on Mobile */
  .hero-dual-container {
    max-width: 330px;
    margin: 0 auto;
    gap: 8px;
  }

  .hero-img {
    max-height: 260px;
  }

  .hero-badge {
    padding: 4px 10px;
    font-size: 11px;
    gap: 4px;
  }

  .badge-kr, .badge-jp {
    top: 10px;
  }

  .badge-free {
    bottom: -6px;
    font-size: 11px;
  }

  .floating-decor {
    font-size: 18px;
    opacity: 0.65;
  }

  /* Countdown Banner */
  .hero-form-section {
    padding: 0 0 40px;
  }

  .hero-countdown-box {
    flex-direction: column;
    text-align: center;
    padding: 20px 16px;
    gap: 16px;
    border-radius: 16px;
  }

  .countdown-left h2 {
    font-size: 18px;
    line-height: 1.3;
  }

  .countdown-right {
    display: flex;
    justify-content: center;
    gap: 8px;
    width: 100%;
  }

  .cd-unit {
    min-width: 58px;
    padding: 8px 10px;
    border-radius: 10px;
  }

  .cd-num {
    font-size: 20px;
  }

  .cd-label {
    font-size: 10px;
  }

  /* Deposit Section */
  .deposit-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .deposit-card {
    padding: 22px 18px;
    border-radius: 16px;
  }

  /* Comparison & Testimonial Grids */
  .compare-grid,
  .testi-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .compare-card {
    padding: 22px 18px;
  }

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

  .fac-card h4 {
    padding: 10px 12px 2px;
    font-size: 13px;
  }

  .fac-card>p {
    padding: 0 12px 12px;
    font-size: 12px;
  }

  .photo-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  /* Registration Form Card */
  .form-wrapper {
    grid-template-columns: 1fr;
    padding: 22px 16px;
    border-radius: 18px;
    gap: 24px;
  }

  .form-info h2 {
    font-size: 20px;
    text-align: center;
  }

  .form-info > p {
    text-align: center;
    font-size: 13px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .form-field input,
  .form-field select,
  .form-field textarea {
    padding: 11px 12px;
    font-size: 13.5px;
  }

  .btn-submit {
    padding: 14px 16px;
    font-size: 14px;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  /* Floating CTA */
  .mobile-cta {
    display: block;
  }

  .zalo-float {
    bottom: 72px;
    right: 14px;
  }

  .zalo-bubble {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }

  .zalo-label {
    display: none;
  }

  body {
    padding-bottom: 56px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 23px;
  }

  .highlight-free {
    font-size: 24px;
    padding: 4px 12px;
  }

  .hero-dual-container {
    max-width: 290px;
  }

  .hero-img {
    max-height: 220px;
  }

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

  .cd-unit {
    min-width: 50px;
    padding: 6px 8px;
  }

  .cd-num {
    font-size: 18px;
  }
}