/* ===========================================
   NA NURTURING ABACUS ACADEMY
   Premium Design System
   =========================================== */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@400;600;700&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
  /* Primary Palette */
  --blue-900: #0a1628;
  --blue-800: #0f2040;
  --blue-700: #163058;
  --blue-600: #1e4080;
  --blue-500: #2153a3;
  --blue-400: #3b74c8;
  --blue-300: #6699e0;
  --blue-100: #dce8f7;
  --blue-50:  #f0f6ff;

  /* Gold Palette */
  --gold-600: #b8860b;
  --gold-500: #d4a017;
  --gold-400: #e8b628;
  --gold-300: #f2ca4a;
  --gold-200: #f9e080;
  --gold-100: #fdf3c0;
  --gold-50:  #fffcf0;

  /* Neutrals */
  --white:    #ffffff;
  --gray-50:  #f8f9fb;
  --gray-100: #f0f2f5;
  --gray-200: #e2e6ec;
  --gray-300: #cbd2db;
  --gray-400: #9aa5b4;
  --gray-500: #697585;
  --gray-600: #4a5568;
  --gray-700: #2d3748;
  --gray-800: #1a202c;
  --gray-900: #0d1117;

  /* Semantic */
  --primary:        var(--blue-600);
  --primary-dark:   var(--blue-800);
  --primary-light:  var(--blue-300);
  --accent:         var(--gold-400);
  --accent-dark:    var(--gold-600);
  --text-primary:   var(--gray-800);
  --text-secondary: var(--gray-600);
  --text-muted:     var(--gray-500);
  --text-on-dark:   var(--white);
  --bg-page:        var(--gray-50);
  --bg-card:        var(--white);
  --bg-section-alt: var(--blue-50);

  /* Typography */
  --font-body:    'Outfit', system-ui, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;

  /* Spacing Scale */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border Radius */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   18px;
  --radius-xl:   24px;
  --radius-2xl:  32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.05);
  --shadow-lg:  0 10px 40px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-xl:  0 20px 60px rgba(0,0,0,0.12), 0 8px 24px rgba(0,0,0,0.07);
  --shadow-blue: 0 8px 32px rgba(33,83,163,0.18);
  --shadow-gold: 0 4px 20px rgba(232,182,40,0.25);

  /* Transitions */
  --transition-fast:   150ms cubic-bezier(0.4,0,0.2,1);
  --transition-normal: 250ms cubic-bezier(0.4,0,0.2,1);
  --transition-slow:   400ms cubic-bezier(0.4,0,0.2,1);

  /* Layout */
  --container-max: 1200px;
  --nav-height: 76px;
}

/* ---- 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-body);
  color: var(--text-primary);
  background: var(--bg-page);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { border: none; cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; }

/* ---- Utility Classes ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-8);
}

.section {
  padding-block: var(--space-24);
}

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

.section--dark {
  background: var(--blue-900);
  color: var(--white);
}

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dark);
  background: var(--gold-100);
  border: 1px solid var(--gold-200);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  margin-bottom: var(--space-4);
}

.section__eyebrow--on-dark {
  color: var(--gold-300);
  background: rgba(232,182,40,0.12);
  border-color: rgba(232,182,40,0.25);
}

.section__heading {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--blue-800);
  margin-bottom: var(--space-4);
}

.section__heading--center { text-align: center; }
.section__heading--on-dark { color: var(--white); }

.section__subheading {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

.section__subheading--center {
  text-align: center;
  margin-inline: auto;
}

.section__subheading--on-dark { color: rgba(255,255,255,0.75); }

.section__header-wrap {
  text-align: center;
  margin-bottom: var(--space-16);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.highlight { color: var(--accent); }
.highlight--blue { color: var(--blue-500); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  padding: 0.75rem 1.75rem;
  transition: all var(--transition-normal);
  white-space: nowrap;
  cursor: pointer;
  line-height: 1;
}

.btn--primary {
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  color: var(--white);
  box-shadow: var(--shadow-blue);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
  box-shadow: 0 12px 40px rgba(33,83,163,0.30);
  transform: translateY(-2px);
}

.btn--gold {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  color: var(--white);
  box-shadow: var(--shadow-gold);
}

.btn--gold:hover {
  background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
  box-shadow: 0 12px 36px rgba(232,182,40,0.35);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.65);
}

.btn--outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn--outline-blue {
  background: transparent;
  color: var(--blue-500);
  border: 2px solid var(--blue-500);
}

.btn--outline-blue:hover {
  background: var(--blue-50);
  transform: translateY(-2px);
}

.btn--lg {
  font-size: 1.05rem;
  padding: 1rem 2.25rem;
}

/* ---- Card ---- */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

/* ============================================
   NAVIGATION
   ============================================ */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

#navbar.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: var(--shadow-md);
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.nav__logo-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  box-shadow: var(--shadow-blue);
  flex-shrink: 0;
}

.nav__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.nav__logo-text .primary-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--blue-800);
}

.nav__logo-text .sub-name {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent-dark);
  text-transform: uppercase;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav__link:hover {
  color: var(--blue-600);
  background: var(--blue-50);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--blue-800);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.nav__hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav Drawer */
.nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6) var(--space-8);
  z-index: 999;
  flex-direction: column;
  gap: var(--space-2);
  transform: translateY(-10px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.nav__mobile-menu.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}

.nav__mobile-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav__mobile-link:hover { background: var(--blue-50); color: var(--blue-600); }

.nav__mobile-cta {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--gray-200);
}

/* ============================================
   HERO SECTION
   ============================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
  background: linear-gradient(160deg, var(--blue-900) 0%, var(--blue-700) 55%, #1a3a6b 100%);
}

.hero__bg-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg-image {
  position: absolute;
  inset: 0;
  background-image: url('images/hero_classroom.png');
  background-size: cover;
  background-position: center top;
  opacity: 0.18;
}

.hero__bg-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    rgba(10,22,40,0.97) 0%,
    rgba(14,32,64,0.88) 42%,
    rgba(21,53,102,0.65) 70%,
    rgba(21,53,102,0.45) 100%
  );
}

/* Decorative circles */
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.12;
  pointer-events: none;
}

.hero__orb--1 {
  width: 500px;
  height: 500px;
  background: var(--gold-300);
  top: -100px;
  right: -50px;
}

.hero__orb--2 {
  width: 350px;
  height: 350px;
  background: var(--blue-300);
  bottom: -80px;
  left: 30%;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  width: 100%;
  padding-block: var(--space-20);
}

.hero__content {}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(232,182,40,0.15);
  border: 1px solid rgba(232,182,40,0.30);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-5);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gold-300);
  text-transform: uppercase;
  margin-bottom: var(--space-6);
  animation: fadeSlideUp 0.6s ease both;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: var(--space-6);
  animation: fadeSlideUp 0.7s 0.1s ease both;
}

.hero__title .gold { color: var(--gold-300); }

.hero__subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.78);
  line-height: 1.75;
  margin-bottom: var(--space-8);
  max-width: 480px;
  animation: fadeSlideUp 0.7s 0.2s ease both;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
  animation: fadeSlideUp 0.7s 0.3s ease both;
}

.hero__trust-strip {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  animation: fadeSlideUp 0.7s 0.4s ease both;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255,255,255,0.65);
}

.trust-item__icon {
  width: 28px;
  height: 28px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

/* Hero Image Side */
.hero__visual {
  position: relative;
  animation: fadeSlideLeft 0.8s 0.2s ease both;
}

.hero__image-card {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.45);
}

.hero__image-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  object-position: center;
}

.hero__image-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(255,255,255,0.08);
}

/* Floating Stats */
.hero__stat-card {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hero__stat-card--students {
  bottom: -20px;
  left: -30px;
}

.hero__stat-card--awards {
  top: 24px;
  right: -24px;
}

.stat-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--blue-100), var(--blue-200));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.stat-card__icon--gold {
  background: linear-gradient(135deg, var(--gold-100), var(--gold-200));
}

.stat-card__text strong {
  display: block;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--blue-800);
  line-height: 1;
}

.stat-card__text span {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Scroll indicator */
.hero__scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.4);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  z-index: 1;
  animation: bounce 2s infinite;
}

.scroll-arrow {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.3));
}

/* ============================================
   WHY CHOOSE US
   ============================================ */
#why-choose-us {
  background: var(--white);
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.why__card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.why__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-400), var(--gold-400));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.why__card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: var(--blue-100);
}

.why__card:hover::before { opacity: 1; }

.why__icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--blue-50), var(--blue-100));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  border: 1px solid var(--blue-100);
  color: var(--blue-600);
  transition: all var(--transition-normal);
  box-shadow: 0 4px 12px rgba(33, 83, 163, 0.08);
}

.why__icon svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
  stroke-width: 2;
  transition: all var(--transition-normal);
}

.why__card:hover .why__icon {
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  border-color: transparent;
  color: var(--white);
  transform: translateY(-2px) scale(1.06);
  box-shadow: 0 8px 20px rgba(33, 83, 163, 0.28);
}

.why__card:hover .why__icon svg {
  stroke: var(--white);
}

.why__card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--blue-800);
  margin-bottom: var(--space-3);
}

.why__card-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Stats Row */
.why__stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-16);
  background: linear-gradient(135deg, var(--blue-800), var(--blue-900));
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
}

.why__stat {
  text-align: center;
}

.why__stat-number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--gold-300);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.why__stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  font-weight: 500;
}

/* ============================================
   ABOUT US
   ============================================ */
#about {
  background: var(--blue-50);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-16);
  align-items: center;
}

.about__image-wrap {
  position: relative;
}

.about__image-main {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about__image-main img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top;
}

.about__experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-gold);
  text-align: center;
}

.about__experience-badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.about__experience-badge span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.9);
  font-weight: 500;
}

.about__content {}

.about__tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-6);
  margin-bottom: var(--space-6);
}

.about__tag {
  background: var(--blue-100);
  color: var(--blue-700);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  font-size: 0.78rem;
  font-weight: 600;
}

.about__body {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-8);
}

.about__highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.about__highlight-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  border: 1px solid var(--gray-100);
}

.about__highlight-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-normal);
}

.about__highlight-item:hover {
  border-color: var(--blue-200);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.about__highlight-item .icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-600);
  flex-shrink: 0;
  transition: all var(--transition-normal);
}

.about__highlight-item .icon svg {
  width: 18px;
  height: 18px;
  stroke: var(--blue-600);
  stroke-width: 2;
  transition: all var(--transition-normal);
}

.about__highlight-item:hover .icon {
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  border-color: transparent;
  color: var(--white);
  box-shadow: 0 4px 12px rgba(33, 83, 163, 0.25);
}

.about__highlight-item:hover .icon svg {
  stroke: var(--white);
}

.about__highlight-item strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blue-800);
  margin-bottom: 2px;
}

.about__highlight-item p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ============================================
   COURSES
   ============================================ */
#courses {
  background: var(--white);
}

.courses__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.course__card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.course__card--featured {
  border: 2px solid var(--blue-400);
  box-shadow: var(--shadow-blue);
  position: relative;
}

.course__featured-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--blue-600);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
}

.course__header {
  padding: var(--space-8);
  background: linear-gradient(135deg, var(--blue-800), var(--blue-900));
  position: relative;
}

.course__card--featured .course__header {
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
}

.course__level {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-300);
  margin-bottom: var(--space-2);
}

.course__name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-3);
}

.course__age {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.course__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.course__features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.course__feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.course__feature::before {
  content: '✓';
  width: 20px;
  height: 20px;
  background: var(--blue-50);
  color: var(--blue-600);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  flex-shrink: 0;
}

.course__cta {
  margin-top: auto;
  display: block;
  text-align: center;
}

/* ============================================
   BENEFITS OF ABACUS
   ============================================ */
#benefits {
  background: linear-gradient(160deg, var(--blue-900), var(--blue-800));
  position: relative;
  overflow: hidden;
}

#benefits::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232,182,40,0.08) 0%, transparent 70%);
  top: -150px;
  right: -100px;
  pointer-events: none;
}

#benefits::after {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 116, 200, 0.12) 0%, transparent 70%);
  bottom: -150px;
  left: -100px;
  pointer-events: none;
}

.benefits__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.benefits__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.benefit__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  padding: var(--space-5);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.benefit__item:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(232,182,40,0.2);
  transform: translateX(4px);
}

.benefit__icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(232,182,40,0.15), rgba(232,182,40,0.25));
  border: 1px solid rgba(232,182,40,0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.benefit__text strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-1);
}

.benefit__text p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.65;
}

.benefits__visual {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.benefits__central {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  text-align: center;
}

.benefits__central-icon {
  font-size: 4rem;
  margin-bottom: var(--space-4);
  display: block;
}

.benefits__central h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--gold-300);
  margin-bottom: var(--space-3);
}

.benefits__central p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}

.benefits__mini-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.benefits__mini-stat {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
}

.benefits__mini-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--gold-300);
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.benefits__mini-stat span {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
}

/* ============================================
   STUDENT ACHIEVEMENTS
   ============================================ */
#achievements {
  background: var(--blue-50);
}

.achievements__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  margin-bottom: var(--space-16);
}

.achievements__image-wrap {
  position: relative;
}

.achievements__image-frame {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.achievements__image-frame img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: top;
}

.achievements__decoration {
  position: absolute;
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-200));
  border-radius: var(--radius-xl);
  top: -20px;
  right: -20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  box-shadow: var(--shadow-gold);
  z-index: 1;
}

.achievements__milestones {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.milestone__card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.milestone__card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--gold-200);
}

.milestone__number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--blue-600);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.milestone__label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Trophies Strip */
.achievements__trophies {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  padding-bottom: var(--space-2);
}

.trophy__item {
  flex-shrink: 0;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  text-align: center;
  min-width: 150px;
  transition: all var(--transition-normal);
}

.trophy__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-200);
}

.trophy__icon { font-size: 2rem; margin-bottom: var(--space-2); }
.trophy__name { font-size: 0.82rem; font-weight: 700; color: var(--blue-800); margin-bottom: var(--space-1); }
.trophy__year { font-size: 0.72rem; color: var(--text-muted); }

/* ============================================
   TESTIMONIALS
   ============================================ */
#testimonials {
  background: var(--white);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.testimonial__card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
}

.testimonial__card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--blue-100);
}

.testimonial__quote-mark {
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 0.6;
  color: var(--blue-100);
  margin-bottom: var(--space-4);
  display: block;
}

.testimonial__stars {
  display: flex;
  gap: 3px;
  margin-bottom: var(--space-4);
}

.testimonial__stars span {
  color: var(--gold-400);
  font-size: 0.9rem;
}

.testimonial__text {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
  font-style: italic;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-top: 1px solid var(--gray-100);
  padding-top: var(--space-5);
}

.testimonial__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--blue-100);
  flex-shrink: 0;
}

.testimonial__author-info strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--blue-800);
}

.testimonial__author-info span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ============================================
   GALLERY
   ============================================ */
#gallery {
  background: var(--blue-50);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: var(--space-4);
}

.gallery__item {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
  transition: all var(--transition-normal);
}

.gallery__item:hover {
  box-shadow: var(--shadow-xl);
  transform: scale(1.02);
}

.gallery__item--wide {
  grid-column: span 2;
}

.gallery__item--tall {
  grid-row: span 2;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery__item:hover img {
  transform: scale(1.05);
}

.gallery__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,22,40,0.7) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  display: flex;
  align-items: flex-end;
  padding: var(--space-5);
}

.gallery__item:hover .gallery__overlay { opacity: 1; }

.gallery__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
}

/* ============================================
   FREE DEMO CLASS CTA
   ============================================ */
#demo {
  background: linear-gradient(135deg, var(--blue-700), var(--blue-900));
  position: relative;
  overflow: hidden;
}

#demo::before {
  content: '';
  position: absolute;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(232,182,40,0.09) 0%, transparent 70%);
  top: -300px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}

.demo__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.demo__content .section__eyebrow { margin-bottom: var(--space-5); }

.demo__perks {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: var(--space-6) 0 var(--space-8);
}

.demo__perk {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
}

.demo__perk::before {
  content: '✓';
  width: 22px;
  height: 22px;
  background: rgba(232,182,40,0.2);
  border: 1px solid rgba(232,182,40,0.35);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-300);
  font-size: 0.72rem;
  font-weight: 700;
  flex-shrink: 0;
}

.demo__form-card {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
}

.demo__form-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--blue-800);
  margin-bottom: var(--space-2);
}

.demo__form-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-6);
}

.form__group {
  margin-bottom: var(--space-4);
}

.form__label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form__input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--text-primary);
  background: var(--white);
  transition: all var(--transition-fast);
  outline: none;
}

.form__input:focus {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(33,83,163,0.08);
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239aa5b4' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form__submit {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  color: var(--white);
  box-shadow: var(--shadow-blue);
  transition: all var(--transition-normal);
  margin-top: var(--space-2);
}

.form__submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(33,83,163,0.35);
}

.form__privacy {
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
}

/* ============================================
   CONTACT US
   ============================================ */
#contact {
  background: var(--white);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-16);
  align-items: start;
}

.contact__info-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.contact__info-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--blue-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--blue-100);
  transition: all var(--transition-normal);
}

.contact__info-card:hover {
  background: var(--blue-100);
  transform: translateX(4px);
}

.contact__info-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  flex-shrink: 0;
  box-shadow: var(--shadow-blue);
  transition: all var(--transition-normal);
}

.contact__info-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--white);
  stroke-width: 2;
  fill: none;
  transition: transform var(--transition-normal);
}

.contact__info-card:hover .contact__info-icon {
  transform: scale(1.08) translateY(-2px);
  background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
  box-shadow: 0 6px 20px rgba(30, 64, 128, 0.35);
}

.contact__info-card h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blue-600);
  margin-bottom: var(--space-1);
}

.contact__info-card p, .contact__info-card a {
  font-size: 0.925rem;
  color: var(--text-primary);
  font-weight: 500;
  line-height: 1.5;
}

.contact__info-card a:hover { color: var(--blue-600); }

.contact__form-card {
  background: var(--gray-50);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  border: 1px solid var(--gray-100);
}

.contact__form-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--blue-800);
  margin-bottom: var(--space-2);
}

.contact__form-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: var(--space-8);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form__textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--text-primary);
  background: var(--white);
  transition: all var(--transition-fast);
  outline: none;
  resize: vertical;
  min-height: 110px;
}

.form__textarea:focus {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(33,83,163,0.08);
}

/* ============================================
   GOOGLE MAPS
   ============================================ */
#maps {
  background: var(--gray-50);
}

.maps__inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-8);
  align-items: stretch;
}

.maps__info {
  background: linear-gradient(160deg, var(--blue-800), var(--blue-900));
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  color: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.maps__info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: var(--space-6);
}

.maps__info-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.maps__info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.maps__info-item .icon {
  font-size: 1rem;
  margin-top: 2px;
  flex-shrink: 0;
  color: var(--gold-300);
}

.maps__info-item strong {
  display: block;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
  font-weight: 600;
}

.maps__info-item p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.9);
  line-height: 1.5;
}

.maps__iframe-wrap {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  min-height: 420px;
  background: var(--gray-100);
}

.maps__iframe-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  min-height: 420px;
}

/* ============================================
   FOOTER
   ============================================ */
#footer {
  background: var(--blue-900);
  color: var(--white);
}

.footer__top {
  padding-block: var(--space-16);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-10);
}

.footer__brand {}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.footer__logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.footer__logo-text .primary-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.footer__logo-text .sub-name {
  font-size: 0.62rem;
  color: var(--gold-300);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.footer__tagline {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  max-width: 280px;
}

.footer__socials {
  display: flex;
  gap: var(--space-3);
}

.footer__social {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.footer__social:hover {
  background: var(--blue-600);
  border-color: var(--blue-500);
  color: var(--white);
  transform: translateY(-2px);
}

.footer__col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold-300);
  margin-bottom: var(--space-5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer__link:hover {
  color: var(--white);
  transform: translateX(3px);
}

.footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
}

.footer__contact-item .icon {
  font-size: 0.85rem;
  color: var(--gold-300);
  margin-top: 2px;
  flex-shrink: 0;
}

.footer__bottom {
  padding-block: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copyright {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer__bottom-link {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  transition: color var(--transition-fast);
}

.footer__bottom-link:hover { color: rgba(255,255,255,0.8); }

.footer__made-with {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
}

.footer__made-with span { color: var(--gold-300); }

/* ============================================
   FLOATING WHATSAPP BUTTON
   ============================================ */
.fab-whatsapp {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  z-index: 900;
  width: 58px;
  height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37,211,102,0.4);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-normal);
  animation: pulse-green 3s infinite;
}

.fab-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37,211,102,0.55);
}

.fab-whatsapp svg {
  width: 28px;
  height: 28px;
  fill: white;
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger children */
.stagger > * { transition-delay: calc(var(--stagger-index, 0) * 80ms); }

/* ============================================
   KEYFRAME ANIMATIONS
   ============================================ */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeSlideLeft {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 6px 24px rgba(37,211,102,0.4); }
  50%       { box-shadow: 0 6px 36px rgba(37,211,102,0.6), 0 0 0 10px rgba(37,211,102,0.08); }
}

@keyframes shimmer {
  from { background-position: -200% 0; }
  to   { background-position: 200% 0; }
}

/* ============================================
   RESPONSIVE - TABLET (max 1024px)
   ============================================ */
@media (max-width: 1024px) {
  :root { --container-max: 960px; }

  .hero__inner { grid-template-columns: 1fr; gap: var(--space-12); }
  .hero__visual { display: none; }
  .hero__content { max-width: 600px; margin-inline: auto; text-align: center; }
  .hero__actions { justify-content: center; }
  .hero__trust-strip { justify-content: center; }

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

  .about__inner { grid-template-columns: 1fr; gap: var(--space-10); }
  .about__image-wrap { max-width: 420px; margin-inline: auto; }

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

  .benefits__inner { grid-template-columns: 1fr; gap: var(--space-10); }

  .achievements__grid { grid-template-columns: 1fr; gap: var(--space-10); }
  .achievements__image-wrap { max-width: 400px; margin-inline: auto; }

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

  .demo__inner { grid-template-columns: 1fr; gap: var(--space-10); }

  .contact__inner { grid-template-columns: 1fr; gap: var(--space-10); }

  .maps__inner { grid-template-columns: 1fr; gap: var(--space-6); }

  .footer__top { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}

/* ============================================
   RESPONSIVE - MOBILE (max 768px)
   ============================================ */
@media (max-width: 768px) {
  :root { --space-24: 4rem; --space-16: 3rem; }

  .container { padding-inline: var(--space-5); }

  .nav__links { display: none; }
  .nav__actions .btn { display: none; }
  .nav__hamburger { display: flex; }

  .hero__title { font-size: 2rem; }

  .why__grid { grid-template-columns: 1fr; }
  .why__stats-row { grid-template-columns: 1fr 1fr; gap: var(--space-4); padding: var(--space-8); }

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

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

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

  .gallery__grid { grid-template-columns: 1fr 1fr; }
  .gallery__item--wide { grid-column: span 2; }
  .gallery__item--tall { grid-row: span 1; }

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

  .footer__top { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__bottom { flex-direction: column; text-align: center; }

  .fab-whatsapp { bottom: var(--space-5); right: var(--space-5); }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; width: 100%; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .hero__trust-strip { flex-direction: column; align-items: center; gap: var(--space-3); }
  .about__highlights { grid-template-columns: 1fr; }
  .gallery__grid { grid-template-columns: 1fr; }
  .gallery__item--wide { grid-column: span 1; }
}


/* Trophy Overrides */
.trophy__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--white);
  border: 1px solid var(--blue-100);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-4);
  min-width: 160px;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.trophy__item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gold-300);
}

.trophy__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--blue-50), var(--blue-100));
  border: 1px solid var(--blue-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-600);
  margin-bottom: var(--space-4);
  transition: all var(--transition-normal);
}

.trophy__icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--blue-600);
  stroke-width: 2;
  transition: all var(--transition-normal);
}

.trophy__item:hover .trophy__icon {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
  border-color: transparent;
  color: var(--blue-900);
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 6px 18px rgba(232, 182, 40, 0.35);
}

.trophy__item:hover .trophy__icon svg {
  stroke: var(--blue-900);
}
/* Stat Card SVGs */
.stat-card__icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--blue-600);
  stroke-width: 2;
}
.stat-card__icon--gold svg {
  stroke: var(--gold-600);
}

/* Trust Item SVGs */
.trust-item__icon svg {
  width: 15px;
  height: 15px;
  stroke: var(--gold-300);
  stroke-width: 2.2;
}

/* Course Detail Pill SVGs */
.course__detail-pill svg {
  width: 16px;
  height: 16px;
  stroke: var(--blue-600);
  stroke-width: 2;
  flex-shrink: 0;
}
.course__detail-pill:hover {
  background: var(--blue-100);
  border-color: var(--blue-200);
  transform: translateY(-1px);
}