/* ============================================
   AIkid.vn — Homepage CSS
   Target: Phụ huynh 35–44 tuổi, mobile-first
   ============================================ */

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

:root {
  /* Colors */
  --clr-purple-50: #f6f2ff;
  --clr-purple-100: #ede5ff;
  --clr-purple-200: #ded2ff;
  --clr-purple-500: #9362ea;
  --clr-purple-600: #7843E2;
  --clr-purple-700: #602cd2;
  --clr-orange-400: #ffa575;
  --clr-orange-500: #FF8E53;
  --clr-blue-400: #60a5fa;
  --clr-blue-500: #3b82f6;
  --clr-green-500: #22c55e;

  --clr-gray-50: #fafafa;
  --clr-gray-100: #f4f4f5;
  --clr-gray-200: #e4e4e7;
  --clr-gray-400: #a1a1aa;
  --clr-gray-500: #71717a;
  --clr-gray-700: #3f3f46;
  --clr-gray-900: #18181b;

  /* Semantic */
  --color-bg: #ffffff;
  --color-bg-alt: #f8f6ff;
  --color-bg-dark: #191428;
  --color-text: #334155;
  --color-text-2: #8C6F65;
  --color-text-3: #BBA49E;
  --color-primary: #7843E2;
  --color-primary-h: #602cd2;
  --color-accent: #FF8E53;

  /* Gradients */
  --grad-primary: linear-gradient(135deg, #7843E2 0%, #FF5C8A 100%);
  --grad-hero: linear-gradient(160deg, #f6f2ff 0%, #ede5ff 40%, #ffeef3 100%);
  --grad-text: linear-gradient(135deg, #7843E2 0%, #FF5C8A 50%, #FF8E53 100%);
  --grad-cta: linear-gradient(160deg, #191428 0%, #35176c 100%);

  /* Typography */
  --font-body: 'Chiron GoRound TC', -apple-system, sans-serif;
  --font-display: 'Chiron GoRound TC', sans-serif;

  /* Spacing */
  --section-py: 5rem;
  --section-py-sm: 3.5rem;

  /* Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.875rem;
  --radius-lg: 1.25rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);
  --shadow-md: 0 4px 16px rgba(120, 67, 226, .10), 0 2px 6px rgba(0, 0, 0, .06);
  --shadow-lg: 0 12px 40px rgba(120, 67, 226, .15), 0 4px 12px rgba(0, 0, 0, .08);
  --shadow-xl: 0 24px 60px rgba(120, 67, 226, .18), 0 8px 24px rgba(0, 0, 0, .10);

  /* Transitions */
  --tr-fast: 0.15s ease;
  --tr-base: 0.25s ease;
  --tr-slow: 0.4s ease;
}

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

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

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

ul,
ol {
  list-style: none;
}

/* ---- CONTAINER ---- */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
  }
}

@media (min-width: 1200px) {
  .container {
    padding: 0 2.5rem;
  }
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--tr-base);
  white-space: nowrap;
}

.btn--sm {
  padding: 0.65rem 1.25rem;
  font-size: 0.875rem;
}

.btn--md {
  padding: 0.85rem 1.75rem;
  font-size: 0.9375rem;
}

.btn--lg {
  padding: 1.05rem 2rem;
  font-size: 1.0625rem;
}

.btn--full {
  width: 100%;
  justify-content: center;
}

.btn-primary {
  background: linear-gradient(135deg, #FF8E53 0%, #FF7043 100%);
  color: #fff;
  border: none;
  box-shadow: 0 4px 16px rgba(255, 112, 67, 0.38);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #FF7043 0%, #FF5722 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 112, 67, 0.48);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.85);
  color: #FF7043;
  border: 2.4px solid #E5D9CE;
}

.btn-ghost:hover {
  background: #FFF3EB;
  border-color: #FF8E53;
  color: #E65100;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: #FF7043;
  border: 2px solid #FF8E53;
}

.btn-outline:hover {
  background: #FFF3EB;
  color: #E65100;
  transform: translateY(-2px);
}

#gallery-see-all {
  background: linear-gradient(135deg, #FF8E53 0%, #FF7043 100%);
  color: #ffffff;
  border: none;
}

#gallery-see-all:hover {
  background: linear-gradient(135deg, #FF7043 0%, #FF5722 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 112, 67, 0.38);
}

/* ---- BADGES ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.3rem 0.875rem;
  border-radius: var(--radius-full);
  line-height: 1;
  white-space: nowrap;
  flex-shrink: 0;
}

.badge--purple {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  color: #FF5C8A;
  border: 2.4px solid #E5D9CE;
  box-shadow: none;
}

/* Badge hồng trong gallery card */
.gallery-card .badge--purple {
  background: #FFEAF2;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  color: #FF5C8A;
  border: none;
  box-shadow: none;
}

.badge--orange {
  background: #fff2eb;
  color: #e65c19;
}

.badge--blue {
  background: #eff6ff;
  color: #1d4ed8;
}

.badge--gray {
  background: var(--clr-gray-100);
  color: var(--clr-gray-700);
}

.badge--small {
  font-size: 0.75rem;
  padding: 0.2rem 0.625rem;
}

/* ---- SECTION HEADER ---- */
.section-header {
  margin-bottom: 3rem;
}

.section-header--center {
  text-align: center;
}

.section-eyebrow {
  margin-bottom: 0.875rem;
}

.section-title {
  font-family: 'Chiron GoRound TC', 'Be Vietnam Pro', sans-serif;
  font-size: clamp(1.625rem, 3.5vw, 2.25rem);
  font-weight: 900 !important;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 0.875rem;
  text-transform: uppercase;
}

.section-lead {
  font-size: 1.0625rem;
  color: #8C6F65;
  line-height: 1.7;
  max-width: 640px;
}

.section-header--center .section-lead {
  margin: 0 auto;
  max-width: 720px;
}

/* ---- TEXT GRADIENT ---- */
.text-gradient {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- LINK ARROW ---- */
.link-arrow {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.9375rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: gap var(--tr-base);
}

.link-arrow:hover {
  gap: 0.5rem;
  text-decoration: underline;
}

/* ============================================
   NAV
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--tr-base), box-shadow var(--tr-base);
}

.nav.scrolled {
  border-color: var(--clr-gray-200);
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 64px;
}

.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-img {
  height: 38px;
  width: auto;
  display: block;
  object-fit: contain;
}

.nav__links {
  display: none;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
}

.nav__link {
  padding: 0.4rem 0.875rem;
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-2);
  transition: all var(--tr-fast);
}

.nav__link:hover {
  color: var(--color-primary);
  background: var(--clr-purple-50);
}

.nav__cta {
  display: none;
  margin-left: auto;
}

.nav__burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
}

.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--tr-base);
}

.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.25rem 1.5rem;
  background: rgba(255, 255, 255, 0.98);
  border-top: 1px solid var(--clr-gray-200);
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile-link {
  padding: 0.75rem 0.875rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-2);
  border-radius: var(--radius-md);
  transition: all var(--tr-fast);
}

.nav__mobile-link:hover {
  background: var(--clr-purple-50);
  color: var(--color-primary);
}

.nav__mobile-cta {
  margin-top: 0.5rem;
  text-align: center;
}

@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }

  .nav__cta {
    display: inline-flex;
  }

  .nav__burger {
    display: none;
  }
}

/* ============================================
   S1 · HERO
   ============================================ */
.hero {
  position: relative;
  padding-top: 80px;
  padding-bottom: 3rem;
  background: linear-gradient(rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.1)), url('SVG/Mesa%20de%20trabajo%201.svg') no-repeat center center;
  background-size: cover;
  overflow: hidden;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 13%;
  background: linear-gradient(to top,
      rgba(255, 255, 255, 1) 0%,
      rgba(255, 255, 255, 0.5) 50%,
      rgba(255, 255, 255, 0) 100%);
  pointer-events: none;
  z-index: 1;
}



.hero__bg-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
  display: none;
}

.hero__bg-orb--1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 92, 138, .25), transparent 70%);
  top: -100px;
  right: -100px;
}

.hero__bg-orb--2 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(255, 142, 83, .15), transparent 70%);
  bottom: -50px;
  left: -50px;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__eyebrow {
  margin-bottom: 1.25rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 6vw, 3.75rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.hero__title-img {
  max-width: 100%;
  height: auto;
  display: block;
}

.hero__lead {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--color-text-2);
  max-width: 520px;
  margin-bottom: 2rem;
}

.hero__ctas {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 1.5rem;
}

.hero__reassurance {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 480px;
  row-gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-2);
}

.hero__reassurance>span {
  display: inline-flex;
  align-items: center;
}

.hero__reassurance>span:nth-child(3) {
  grid-column: 1 / -1;
}


.reassurance-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: #FF6B9D;
  border-radius: 50%;
  flex-shrink: 0;
  margin-right: 0.375rem;
  vertical-align: middle;
}

.hero__img-wrap {
  position: relative;
}

.hero__img {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  object-fit: cover;
}

/* Video 16:9 */
.hero__video-wrap {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
}

.hero__video-ratio {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  /* 16:9 */
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background: #d1d5db;
}

.hero__video-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #c4c8d0 0%, #9ca3af 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: opacity 0.3s ease;
  z-index: 2;
}

.hero__video-placeholder:hover {
  opacity: 0.85;
}

.hero__video-play-icon {
  width: 64px;
  height: 64px;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero__caption {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.875rem;
  font-size: 0.8125rem;
  color: var(--color-text-2);
  background: rgba(255, 255, 255, .9);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

.hero__caption-icon {
  width: 20px !important;
  height: 20px !important;
  max-width: 20px !important;
  object-fit: contain;
  flex-shrink: 0;
}

@media (min-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }

  .hero__img {
    max-width: 100%;
  }
}

/* 1920×1080: scale down hero content to prevent overflow */
@media (min-width: 1400px) and (max-height: 1080px) {
  .hero {
    padding-top: 80px;
    padding-bottom: 3rem;
    min-height: 100svh;
    align-items: center;
    justify-content: center;
  }

  .hero__inner {
    gap: 3rem;
  }

  .hero__title {
    font-size: clamp(1.875rem, 3vw, 2.625rem);
    margin-bottom: 0.875rem;
  }

  .hero__lead {
    font-size: 1rem;
    margin-bottom: 1.25rem;
  }

  .hero__eyebrow {
    margin-bottom: 0.75rem;
  }

  .hero__ctas {
    margin-bottom: 1rem;
    gap: 0.625rem;
  }

  .hero__img {
    max-width: 80%;
    margin: 0 auto;
  }

  /* Reduce trust card overlap at 1080p */
  .trust {
    margin-top: 0;
  }

  .trust__item {
    padding: 1.25rem 1rem;
    gap: 0.25rem;
  }

  .trust__item-icon {
    width: 2.25rem;
    height: 2.25rem;
    font-size: 1.1rem;
    margin-bottom: 0.125rem;
  }

  .trust__number {
    font-size: 1.25rem;
  }

  .trust__label {
    font-size: 0.75rem;
  }
}

/* ============================================
   S2 · TRUST BAR
   ============================================ */
.trust {
  background: linear-gradient(to bottom,
      rgba(255, 255, 255, 0) 0%,
      rgba(255, 255, 255, 1) 25%,
      #fff7f2 100%);
  padding: 0;
  padding-top: 2.5rem;
  position: relative;
  z-index: 2;
  margin-top: -120px;
}

.trust .container {
  padding-bottom: 0;
}

.trust__grid {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0;
  background: #ffffff;
  border-radius: 1.25rem;
  border: 2.4px solid #E5D9CE;
  box-shadow: 0 12px 48px rgba(100, 60, 180, .08), 0 2px 8px rgba(0, 0, 0, .04);
  overflow: hidden;
}

.trust__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.375rem;
  padding: 1.75rem 1.25rem;
  position: relative;
  transition: background var(--tr-base);
  flex: 1 1 40%;
}

.trust__item:hover {
  background: #faf8ff;
}

/* Mobile: bottom border between rows */
.trust__item:nth-child(1),
.trust__item:nth-child(3) {
  border-bottom: 1px solid #e8e0f8;
}

.trust__item:nth-child(1),
.trust__item:nth-child(3) {
  border-right: 1px solid #e8e0f8;
}

.trust__item-icon {
  display: none;
}

.trust__number {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 900;
  line-height: 1.1;
  color: #239FB9;
}

/* Solid color theo thứ tự: xanh #239FB9 → hồng #FF5C8A → cam #FF8E53 */
.trust__item:nth-child(1) .trust__number {
  color: #239FB9;
}

.trust__item:nth-child(3) .trust__number {
  color: #8755A4;
}

.trust__item:nth-child(5) .trust__number {
  color: #FF5C8A;
}

.trust__item:nth-child(7) .trust__number {
  color: #FF8E53;
}

.trust__label {
  font-size: 0.8rem;
  color: var(--color-text-2);
  line-height: 1.4;
}

.trust__divider {
  display: none;
  width: 1px;
  background: linear-gradient(to bottom, transparent, #e2e8f0 20%, #e2e8f0 80%, transparent);
  flex-shrink: 0;
  align-self: stretch;
  margin: 0.5rem 0;
}

.trust__legal {
  font-size: 0.75rem;
  color: var(--color-text-3);
  text-align: center;
  max-width: 720px;
  margin: 1.25rem auto 0;
  line-height: 1.6;
}

@media (min-width: 640px) {
  .trust {
    margin-top: -120px;
  }

  .trust__grid {
    flex-wrap: nowrap;
    border-radius: 1.5rem;
  }

  .trust__item {
    flex: 1;
    padding: 2rem 1.5rem;
    border-bottom: none !important;
    border-right: none !important;
  }

  .trust__divider {
    display: block;
  }
}


/* ============================================
   S3 · CONCERNS (Băn Khoăn)
   ============================================ */
.concerns {
  padding: 1.25rem 0 130px;
  background: linear-gradient(180deg, #fff7f2 0%, #ffe9dc 60%, #fff4ed 100%);
  overflow: hidden;
}

.concerns__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.concern-card {
  background: #ffffff;
  border: 2.4px solid #E5D9CE;
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: relative;
  transition: transform var(--tr-base), box-shadow var(--tr-base), border-color var(--tr-base);
}

/* Viền tam giác */
.concern-card::before {
  content: '';
  position: absolute;
  top: -21px;
  left: 18px;
  width: 0;
  height: 0;
  border-left: 17px solid transparent;
  border-right: 17px solid transparent;
  border-bottom: 20px solid #E5D9CE;
}

/* Nền tam giác */
.concern-card::after {
  content: '';
  position: absolute;
  top: -18px;
  left: 20px;
  width: 0;
  height: 0;
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
  border-bottom: 18px solid #ffffff;
}

.concern-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--clr-purple-200);
}

.concern-card:hover::before {
  border-bottom-color: var(--clr-purple-200);
}

.concern-card__icon {
  font-size: 1.75rem;
  margin-bottom: 0.875rem;
  line-height: 1;
}

.concern-card__icon-img {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
  display: block;
}

.concern-card__q {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  font-style: normal;
  line-height: 1.4;
}

.concern-card__a {
  font-size: 0.9375rem;
  color: var(--color-text-2);
  line-height: 1.65;
}

@media (min-width: 640px) {
  .concerns__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .concerns__grid {
    grid-template-columns: 1fr 1fr 1fr 1fr;
  }
}

/* ============================================
   S4 · ROLES
   ============================================ */
.roles {
  padding: var(--section-py) 0;
  background: var(--color-bg);
}

.roles__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.roles__col {
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.roles__col--child {
  background: linear-gradient(135deg, #eaf8fb, #d4f1f7);
  border: 2px solid #a8e3ee;
}

.roles__col--ai {
  background: linear-gradient(135deg, #fff5ee, #ffe6d8);
  border: 2px solid #ffd0b8;
}

.roles__header {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 1.25rem;
}

.roles__icon {
  font-size: 2rem;
  line-height: 1;
}

.roles__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
}

.roles__list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.roles__col--child .roles__list li::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #239FB9;
  flex-shrink: 0;
  margin-right: 0.5rem;
}

.roles__col--ai .roles__list li::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #e65c19;
  flex-shrink: 0;
  margin-right: 0.5rem;
}

.roles__list li {
  font-size: 0.9375rem;
  color: var(--color-text-2);
  padding-left: 0;
  display: flex;
  align-items: center;
}

.roles__col--child .roles__list li {
  color: #176d80;
}

.roles__col--ai .roles__list li {
  color: #e65c19;
}

.roles__divider {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.roles__divider-line {
  width: 1px;
  flex: 1;
  background: var(--clr-gray-200);
}

.roles__divider-badge {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 900;
  color: var(--color-text-3);
  background: var(--clr-gray-100);
  padding: 0.375rem 0.625rem;
  border-radius: var(--radius-full);
}

.roles__note {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  font-size: 0.9375rem;
  color: #92400e;
  margin-bottom: 1.25rem;
}

.roles__note svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: #d97706;
}

.roles__link-wrap {
  text-align: center;
}

#roles-detail-link,
.roles__link-wrap .link-arrow {
  color: #FF5C8A;
  font-weight: 700;
}

#roles-detail-link:hover,
.roles__link-wrap .link-arrow:hover {
  color: #FF477E;
}

@media (min-width: 768px) {
  .roles__grid {
    grid-template-columns: 1fr auto 1fr;
    align-items: stretch;
  }

  .roles__divider {
    display: flex;
  }
}

/* ============================================
   S5 · DRAFTS
   ============================================ */
.drafts {
  padding: clamp(40px, 4vw, 60px) 0 0.5rem;
  background: linear-gradient(180deg, #fff0f3 0%, #ffffff 100%);
}

.drafts__footer {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.drafts__footer p {
  font-size: 0.9375rem;
  color: var(--color-text-2);
  max-width: 520px;
}

#drafts-process-link,
.drafts__footer .link-arrow {
  color: #FF5C8A;
  font-weight: 700;
}

#drafts-process-link:hover,
.drafts__footer .link-arrow:hover {
  color: #FF477E;
}

@media (max-width: 640px) {
  .drafts__grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .draft-card__visual {
    height: 240px;
  }
}

/* ============================================
   S6 · GALLERY
   ============================================ */
.gallery {
  padding: 1.5rem 0 var(--section-py);
  background: var(--color-bg);
}

.drafts__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  margin-bottom: 3rem;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.draft-card {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Visual container for overlapping before/after */
.draft-card__visual {
  position: relative;
  height: 340px;
}

/* BEFORE card — top-left, tilted left */
.draft-card__before-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 56%;
  background: #ffffff;
  border-radius: 1rem;
  box-shadow: 0 4px 20px rgba(255, 92, 138, 0.18), 0 1px 6px rgba(0, 0, 0, 0.06);
  transform: rotate(-5deg);
  z-index: 1;
  padding: 10px 10px 8px;
}

/* AFTER card — bottom-right, tilted right, in front */
.draft-card__after-wrap {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 56%;
  background: #ffffff;
  border-radius: 1rem;
  box-shadow: 0 8px 32px rgba(255, 92, 138, 0.28), 0 3px 10px rgba(255, 92, 138, 0.12);
  transform: rotate(4deg);
  z-index: 2;
  padding: 10px 10px 8px;
}

/* Label chips */
.draft-card__label {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 9999px;
  margin-bottom: 6px;
}

.draft-card__label--before {
  background: #ffffff;
  color: #8C6F65;
  border: 1.5px solid #E5D9CE;
}

.draft-card__label--after {
  background: #FF5C8A;
  color: #ffffff;
}

/* Images inside cards */
.draft-card__img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 0.625rem;
}

/* Placeholder frame inside draft-card wraps */
.draft-card__placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: var(--clr-gray-100);
  border-radius: 0.625rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

/* Curved arrow SVG */
.draft-card__curve {
  position: absolute;
  top: 28%;
  left: 50%;
  transform: translateX(-50%);
  width: 72px;
  height: 64px;
  z-index: 3;
  pointer-events: none;
}

/* Info section below visual */
.draft-card__info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 2rem;
}

.draft-card__author {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
}

.draft-card__text {
  position: relative;
  display: inline-block;
  font-size: 0.9rem;
  color: #334155;
  font-style: italic;
  line-height: 1.5;
  background: #ffffff;
  border-radius: 0.25rem 1rem 1rem 1rem;
  padding: 0.625rem 0.875rem;
  margin-top: 0.625rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.07);
}

.draft-card__text::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 14px;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 9px solid #ffffff;
}

.draft-card__revisions {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-3);
  display: inline;
}



.gallery__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.gallery-card {
  background: #ffffff;
  border: 2.4px solid #E5D9CE;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--tr-base), box-shadow var(--tr-base), border-color var(--tr-base);
  cursor: pointer;
}

.gallery-card:hover,
.gallery-card:focus {
  transform: translateY(-4px);
  box-shadow: 0 0 0 3px rgba(35, 159, 185, 0.25), 0 8px 32px rgba(35, 159, 185, 0.3);
  border-color: #239FB9;
  outline: none;
}

.gallery-card:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.gallery-card__img-wrap {
  height: 200px;
  background: #E2E8F0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.gallery-card__img-wrap--comic {
  background: #E2E8F0;
}

.gallery-card__img-wrap--film {
  background: #CBD5E1;
}

.gallery-card__img-wrap--warm {
  background: #E2E8F0;
}

.gallery-card__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--tr-slow);
  padding: 1rem;
  filter: grayscale(1) brightness(0.9) saturate(0);
  opacity: 0.55;
}

.gallery-card__img-wrap svg {
  width: 3.5rem;
  height: 3.5rem;
}

.gallery-card:hover .gallery-card__img {
  transform: scale(1.05);
}

/* === GALLERY - Placeholder style === */
.gallery-card__img-wrap,
.gallery-card__img-wrap--comic,
.gallery-card__img-wrap--film,
.gallery-card__img-wrap--warm {
  background: var(--clr-gray-100);
  border: none;
  flex-direction: column;
  gap: 0.375rem;
}

.gallery-placeholder,
.gallery-placeholder--dark,
.gallery-placeholder--warm {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  font-size: 2.5rem;
  font-weight: 400;
  line-height: 1;
  width: 100%;
  height: 100%;
}

.gallery-card__body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.gallery-card__meta {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-wrap: wrap;
}

.gallery-card__meta strong {
  font-size: 0.9375rem;
}

.gallery-card__quote {
  font-size: 0.9375rem;
  color: #8C6F65;
  font-style: italic;
  line-height: 1.6;
}

.gallery__footer {
  text-align: center;
}

@media (min-width: 540px) {
  .gallery__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .gallery__grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* ============================================
   S7 · ROADMAP
   ============================================ */
.roadmap {
  padding: var(--section-py) 0 calc(var(--section-py) + clamp(50px, 6vw, 95px));
  background: #F04968 url('SVG/3.svg') center center / cover no-repeat;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.roadmap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(240, 73, 104, 0.3);
  pointer-events: none;
  z-index: 0;
}

.roadmap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, #F04968 0%, rgba(240, 73, 104, 0) 100%);
  pointer-events: none;
  z-index: 0;
}

.roadmap .container {
  position: relative;
  z-index: 1;
}

.roadmap .section-title {
  color: #ffffff;
}

.roadmap .section-lead {
  color: rgba(255, 255, 255, .7);
  white-space: nowrap;
  max-width: none;
}

.roadmap__steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 3rem;
  position: relative;
  z-index: 1;
}

.roadmap__step {
  background: #FDFAF4;
  border: 2px solid #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.roadmap__step:hover {
  background: #FDFAF4;
  border-color: #F04968;
  box-shadow: 0 0 0 2px #F04968, 0 0 24px 6px rgba(240, 73, 104, 0.45);
  transform: translateY(-3px);
}


.roadmap__step-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 900;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--grad-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.roadmap__step-icon {
  font-size: 2.5rem;
  line-height: 1;
}

.roadmap__step-icon img {
  width: 2.75rem;
  height: 2.75rem;
  object-fit: contain;
  display: block;
}

.roadmap__step-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  color: #704E48;
  white-space: nowrap !important;
  overflow: hidden;
  text-overflow: ellipsis;
}

.roadmap__step-desc {
  font-family: 'Chiron GoRound TC', sans-serif;
  font-weight: 400;
  font-size: 0.9375rem;
  color: #704E48;
  line-height: 1.6;
  text-wrap: pretty;
}

.roadmap__connector {
  display: none;
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 1);
  align-self: center;
  flex-shrink: 0;
}

.roadmap__options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.roadmap__option {
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  backdrop-filter: blur(12px);
  transition: transform var(--tr-base), box-shadow var(--tr-base), border-color var(--tr-base);
}

.roadmap__option--young {
  background: radial-gradient(circle at 100% 100%, rgba(35, 159, 185, 0.18) 0%, transparent 55%), #FDFAF4;
  border: 4px solid #239FB9;
  box-shadow: 0 10px 30px rgba(35, 159, 185, 0.2);
}

.roadmap__option--young:hover {
  transform: translateY(-4px);
  border-color: #1a7e93;
  box-shadow: 0 16px 40px rgba(35, 159, 185, 0.35);
}

.roadmap__option--older {
  background: radial-gradient(circle at 100% 100%, rgba(255, 142, 83, 0.22) 0%, transparent 55%), #FDFAF4;
  border: 4px solid #FF8E53;
  box-shadow: 0 10px 30px rgba(255, 142, 83, 0.2);
}

.roadmap__option--older:hover {
  transform: translateY(-4px);
  border-color: #f97316;
  box-shadow: 0 16px 40px rgba(255, 142, 83, 0.35);
}

.roadmap__tag {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
}

.tag--young {
  background: rgba(35, 159, 185, 0.25);
  color: #239FB9;
  border: 1px solid rgba(35, 159, 185, 0.4);
}

.tag--older {
  background: rgba(255, 92, 138, 0.35);
  color: #ffe4e6;
  border: 1px solid rgba(255, 142, 83, 0.4);
}

.btn--young {
  background: #239FB9;
  color: #ffffff;
  border: none;
  font-weight: 700;
  text-align: center;
  box-shadow: 0 4px 14px rgba(35, 159, 185, 0.35);
}

.btn--young:hover {
  background: #1c849b;
  box-shadow: 0 6px 20px rgba(35, 159, 185, 0.5);
  color: #ffffff;
}

.btn--older {
  background: #FF8E53;
  color: #ffffff;
  border: none;
  font-weight: 700;
  text-align: center;
  box-shadow: 0 4px 14px rgba(255, 142, 83, 0.4);
}

.btn--older:hover {
  background: #f97316;
  box-shadow: 0 6px 20px rgba(255, 142, 83, 0.55);
  color: #ffffff;
}

.roadmap__option-badge {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  color: #334155;
}

.roadmap__option-detail {
  font-size: 0.875rem;
  color: #8C6F65;
}

.roadmap__option-path {
  font-size: 0.9375rem;
  color: #334155;
}

.roadmap__note {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 1);
  text-align: center;
  position: relative;
  z-index: 1;
}

.roadmap__note .link-arrow {
  color: #FFE87A;
}

@media (min-width: 768px) {
  .roadmap__steps {
    flex-direction: row;
    align-items: stretch;
  }

  /* Câu chuyện = 3rd child, Truyện tranh = 5th child */
  .roadmap__steps> :nth-child(3),
  .roadmap__steps> :nth-child(5) {
    flex: 1.2;
  }

  .roadmap__connector {
    display: flex;
  }

  .roadmap__step {
    flex: 1;
    min-width: 0;
  }

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

/* ============================================
   S8 · LESSON
   ============================================ */
.lesson {
  padding: var(--section-py) 0;
  background: #FFF4EC;
}

.lesson__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.lesson__step {
  background: #ffffff;
  border: 2.4px solid #E5D9CE;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform var(--tr-base), box-shadow var(--tr-base);
  box-shadow: none;
}

.lesson__step:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 0 3px rgba(255, 142, 83, 0.15), 0 8px 24px rgba(255, 142, 83, 0.18);
  border-color: rgba(255, 142, 83, 0.45);
}

.lesson__step-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.lesson__step-icon {
  width: 2.75rem;
  height: 2.75rem;
  object-fit: contain;
  flex-shrink: 0;
}

.lesson__step-title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--color-text);
}

.lesson__step-time {
  font-size: 0.8125rem;
  color: var(--color-primary);
  font-weight: 600;
}

.lesson__step-desc {
  font-size: 0.9375rem;
  color: var(--color-text-2);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.lesson__step-frame {
  height: 160px;
  background: var(--clr-gray-100);
  border: 2px dashed var(--clr-gray-300);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  color: var(--clr-gray-600);
  font-size: 0.8125rem;
  font-weight: 500;
  margin-top: auto;
}

.lesson__step-frame-icon {
  font-size: 1.5rem;
  opacity: 0.7;
}

.lesson__info-table {
  background: #ffffff;
  border: 2.4px solid #E5D9CE;
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: none;
}

.lesson__info-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  color: var(--color-text);
}

.lesson__info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.lesson__info-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0.5rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--clr-gray-100);
}

.lesson__info-item:last-child {
  border-bottom: none;
}

.lesson__info-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lesson__info-label span[aria-hidden] {
  display: inline-flex;
  width: 1.5rem;
  justify-content: center;
  flex-shrink: 0;
}

.lesson__info-value {
  font-size: 0.875rem;
  color: var(--color-text-2);
}

@media (min-width: 640px) {
  .lesson__steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .lesson__steps {
    grid-template-columns: 1fr 1fr 1fr 1fr;
  }
}

/* ============================================
   S9 · TESTIMONIALS
   ============================================ */
.testimonials {
  padding: clamp(100px, 11vw, 160px) 0 clamp(100px, 11vw, 160px);
  background: var(--color-bg);
  position: relative;
}

.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

/* Each card is just a flex column: bubble on top, author below */
.testimonial-card {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Speech bubble */
.testimonial-card__bubble {
  background: #ffffff;
  border: 2.4px solid #E5D9CE;
  border-radius: 1rem;
  padding: 1.5rem 1.5rem 1.25rem;
  position: relative;
  box-shadow: none;
}

/* Bubble tail pointing down-left toward avatar */
.testimonial-card__bubble::after {
  content: '';
  position: absolute;
  bottom: -13px;
  left: 28px;
  width: 0;
  height: 0;
  border-left: 12px solid transparent;
  border-right: 12px solid transparent;
  border-top: 13px solid #ffffff;
}

.testimonial-card__bubble::before {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 27px;
  width: 0;
  height: 0;
  border-left: 13px solid transparent;
  border-right: 13px solid transparent;
  border-top: 15px solid #E5D9CE;
}

.testimonial-card__quote {
  font-size: 0.9375rem;
  color: var(--color-text-2);
  line-height: 1.75;
  font-style: italic;
  margin: 0;
}

/* Author row: avatar + info */
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 2rem 0 0 1rem;
}

.testimonial-card__avatar {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--grad-primary);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonial-card__info {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.testimonial-card__name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
}

.testimonial-card__sub {
  font-size: 0.8125rem;
  color: var(--color-text-3);
}

.testimonial-card__stars {
  color: #f59e0b;
  font-size: 0.875rem;
  letter-spacing: 1px;
  margin-top: 0.125rem;
}

@media (min-width: 768px) {
  .testimonials__grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* ============================================
   S10 · FAQ
   ============================================ */
.faq {
  padding: var(--section-py) 0;
  background: linear-gradient(to top, #FFF3EB 0%, rgba(255, 243, 235, 0) 100%);
}

.faq__list {
  max-width: 680px;
  margin: 0 auto 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.faq__item {
  background: #ffffff;
  border: 2px solid #E5D9CE;
  border-radius: 1rem;
  overflow: hidden;
  transition: background var(--tr-base);
}

.faq__item:hover {
  background: #fafafa;
}

.faq__item--open {
  background: #ffffff;
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.375rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 700;
  color: #334155;
  text-align: left;
  line-height: 1.4;
}

.faq__question:hover {
  color: #FF5C8A;
}

.faq__item--open .faq__question {
  color: #FF5C8A;
}

.faq__icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
  transition: background var(--tr-base);
}

.faq__item--open .faq__icon-wrap {
  background: var(--color-primary);
}

/* Màu chuyển dần từ xanh #239FB9 → hồng #FF5C8A → cam #FF8E53 theo từng ô */
.faq__item:nth-child(1) .faq__icon-wrap {
  background: #239FB9;
}

.faq__item:nth-child(2) .faq__icon-wrap {
  background: #8755A4;
}

.faq__item:nth-child(3) .faq__icon-wrap {
  background: #FF5C8A;
}

.faq__item:nth-child(4) .faq__icon-wrap {
  background: #FF756E;
}

.faq__item:nth-child(5) .faq__icon-wrap {
  background: #FF8E53;
}

.faq__icon {
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.faq__icon--up {
  transform: rotate(0deg);
}

.faq__answer {
  padding: 0 1.375rem 1.25rem;
  font-size: 0.9rem;
  color: var(--color-text-2);
  line-height: 1.7;
}

.faq__answer--hidden {
  display: none;
}

.faq__answer p {
  padding-top: 0;
  margin: 0;
}

.faq__footer {
  text-align: center;
}

#faq-see-all-link,
.faq__footer .link-arrow {
  color: #FF5C8A;
  font-weight: 700;
}

#faq-see-all-link:hover,
.faq__footer .link-arrow:hover {
  color: #FF477E;
}

/* ============================================
   S11 · CTA FINAL
   ============================================ */
.cta-final {
  padding: clamp(130px, 14vw, 180px) 0 clamp(110px, 12vw, 160px);
  background: url('SVG/Artboard%201.svg') no-repeat center center / cover;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.wave-divider--top-cut {
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  z-index: 2;
  pointer-events: none;
}

.wave-divider--top-cut svg {
  display: block;
  width: 100%;
  height: clamp(60px, 7vw, 100px);
}

.wave-divider svg {
  display: block;
  width: 100%;
  height: clamp(140px, 15vw, 220px);
}

.cta-final__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  margin: 0 auto;
  padding: 0;
  position: relative;
  z-index: 5;
  width: 100%;
}

.cta-final__bg-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
}

.cta-final__bg-orb--1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 92, 138, .3), transparent 70%);
  top: -100px;
  right: -100px;
  display: none;
}

.cta-final__bg-orb--2 {
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(255, 142, 83, .65), transparent 70%);
  bottom: -300px;
  left: -300px;
}

.cta-final__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.cta-final__lead {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, .8);
  line-height: 1.7;
  max-width: 460px;
  margin-bottom: 1.5rem;
}

.cta-final__checklist {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.cta-final__checklist li {
  font-size: 0.9375rem;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cta-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-right: 0.375rem;
}

.cta-final__form-wrap {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 2.4px solid #E5D9CE;
  box-shadow: none;
}

.cta-form__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.cta-form__group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  margin-bottom: 1rem;
}

.cta-form__label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text);
}

.cta-form__input {
  padding: 0.875rem 1.125rem;
  border: 2px solid var(--clr-gray-200);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--clr-gray-50);
  transition: border-color var(--tr-fast), background var(--tr-fast);
  width: 100%;
}

.cta-form__input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #ffffff;
}

.cta-form__input::placeholder {
  color: var(--color-text-3);
}

.cta-form__submit {
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, #FF8E53 0%, #FF7043 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 16px rgba(255, 112, 67, 0.35);
}

.cta-form__submit:hover {
  background: linear-gradient(135deg, #ff7e3d 0%, #e65100 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 112, 67, 0.45);
}

.cta-form__note {
  font-size: 0.8125rem;
  color: var(--color-text-3);
  text-align: center;
  line-height: 1.5;
}

.cta-form__privacy {
  margin: 0 0 0.625rem;
  font-size: 0.75rem;
  color: var(--color-text-3);
  text-align: center;
  line-height: 1.5;
}

.cta-form__privacy a {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cta-final__alt {
  text-align: center;
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: var(--color-text-2);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  flex-wrap: wrap;
}

#cta-zalo-link,
.cta-final__alt a {
  color: #FF5C8A;
  font-weight: 700;
}

#cta-zalo-link:hover,
.cta-final__alt a:hover {
  color: #FF477E;
}

@media (min-width: 900px) {
  .cta-final__inner {
    grid-template-columns: 1fr 480px;
  }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: #FF5C8A;
  color: #ffffff;
  position: relative;
}

.footer__pyramids {
  position: absolute;
  top: -119px;
  left: 0;
  width: 100%;
  line-height: 0;
  pointer-events: none;
}

.footer__pyramids svg {
  display: block;
  width: 100%;
  height: 120px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-top: 3rem;
  padding-bottom: 2rem;
}

.footer__brand .nav__logo {
  color: #ffffff;
}

.footer__brand .logo-img {
  height: 52px;
  width: auto;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.15));
}

.footer__tagline {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: #ffffff;
  line-height: 1.6;
}

.footer__nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.footer__nav-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.875rem;
}

.footer__nav-link {
  display: block;
  font-size: 0.9375rem;
  color: #ffffff;
  padding: 0.3rem 0;
  transition: color var(--tr-fast);
}

.footer__nav-link:hover {
  color: #ffffff;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding: 1.25rem 0;
  background: #0D4F7E;
}

.footer__bottom p {
  font-size: 0.75rem;
  color: #ffffff;
  text-align: center;
  line-height: 1.6;
}

@media (min-width: 640px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

/* ============================================
   STICKY CTA (mobile)
   ============================================ */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.875rem 1.25rem;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--clr-gray-200);
  z-index: 90;
  transform: translateY(100%);
  transition: transform var(--tr-base);
}

.sticky-cta.visible {
  transform: translateY(0);
}

@media (min-width: 768px) {
  .sticky-cta {
    display: none;
  }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease both;
}

.animate-in--delay-1 {
  animation-delay: 0.1s;
}

.animate-in--delay-2 {
  animation-delay: 0.2s;
}

.animate-in--delay-3 {
  animation-delay: 0.3s;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: none;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

/* ============================================
   UTILITY
   ============================================ */
/* ============================================
   WAVE DIVIDERS
   ============================================ */

/* Tất cả section có wave: cần position relative */
.trust,
.concerns,
.roles,
.drafts,
.gallery,
.lesson,
.testimonials,
.faq {
  position: relative;
}

/* Base style cho wave container - luôn absolute */
.wave-divider {
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  z-index: 2;
}

.wave-divider svg {
  display: block;
  width: 100%;
  height: clamp(60px, 7vw, 100px);
}

/* Gradient fade ở cuối section sáng trước khi vào nền tối — tạo hiệu ứng mường tượng */
.gallery::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: clamp(100px, 12vw, 180px);
  background: linear-gradient(to bottom, transparent 0%, rgba(25, 20, 40, 0.06) 100%);
  z-index: 1;
  pointer-events: none;
}

/* Wave phải nằm trên gradient */
.gallery .wave-divider {
  z-index: 3;
}

/* Thêm padding-bottom cho các section có wave để nội dung không bị che */
.trust {
  padding-bottom: calc(2.5rem + clamp(110px, 12vw, 190px));
}

.concerns {
  padding-bottom: calc(var(--section-py) + clamp(110px, 12vw, 190px));
}

.roles {
  padding-bottom: calc(var(--section-py) + clamp(110px, 12vw, 190px));
}

.drafts {
  padding-bottom: calc(var(--section-py) + clamp(110px, 12vw, 190px));
}

.gallery {
  padding-bottom: calc(var(--section-py) + clamp(110px, 12vw, 190px));
}

.lesson {
  padding-bottom: calc(var(--section-py) + clamp(110px, 12vw, 190px));
}

.testimonials {
  padding-bottom: calc(var(--section-py) + clamp(110px, 12vw, 190px));
}

@media (max-width: 480px) {
  .btn--lg {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }

  .hero__ctas {
    flex-direction: column;
  }

  .hero__reassurance {
    flex-direction: column;
    gap: 0.5rem;
  }
}