/* ============================================================
   FALA AÍ IDIOMAS — DESIGN SYSTEM
   ============================================================ */

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

/* --- CSS Variables / Design Tokens --- */
:root {
  /* Colors */
  --color-primary:       #0A58CA;
  --color-primary-dark:  #084298;
  --color-primary-light: #3D8BFD;
  --color-accent:        #10B981;
  --color-accent-dark:   #059669;
  --color-dark:          #0F172A;
  --color-dark-alt:      #1E293B;
  --color-light:         #F8FAFC;
  --color-light-alt:     #E2E8F0;
  --color-white:         #ffffff;
  --color-text:          #1E293B;
  --color-text-light:    #64748B;
  --color-border:        #E2E8F0;
  --color-yellow:        #F59E0B;

  /* Typography */
  --font-main:    'Plus Jakarta Sans', sans-serif;
  --font-display: 'Outfit', sans-serif;
  --font-cursive: 'Dancing Script', cursive;

  /* Spacing */
  --space-xs:   0.25rem;
  --space-sm:   0.5rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2rem;
  --space-2xl:  3rem;
  --space-3xl:  4rem;
  --space-4xl:  6rem;
  --space-5xl:  8rem;

  /* Border Radius */
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   24px;
  --radius-xl:   32px;
  --radius-full: 9999px;

  /* Shadows (Modern Glass) */
  --shadow-sm:  0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-md:  0 10px 24px rgba(15, 23, 42, 0.06);
  --shadow-lg:  0 20px 40px rgba(15, 23, 42, 0.08);
  --shadow-xl:  0 30px 60px rgba(15, 23, 42, 0.12);

  /* Transitions */
  --transition-fast:   0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --max-width: 1200px;
  --nav-height: 70px;
  --header-height: 110px;
}

/* --- 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-main);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }

p { margin-bottom: var(--space-md); }
p:last-child { margin-bottom: 0; }

.text-primary  { color: var(--color-primary); }
.text-accent   { color: var(--color-accent); }
.text-white    { color: var(--color-white); }
.text-light    { color: var(--color-text-light); }
.text-center   { text-align: center; }
.text-bold     { font-weight: 700; }

/* --- Layout Utilities --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container-sm {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-5xl) 0;
}

.section-sm {
  padding: var(--space-4xl) 0;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-xl); }
.flex    { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.gap-sm  { gap: var(--space-sm); }
.gap-md  { gap: var(--space-md); }
.gap-lg  { gap: var(--space-lg); }

/* --- Section Header --- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.section-title {
  color: var(--color-primary);
  font-family: var(--font-display);
  margin-bottom: var(--space-md);
}

.section-title span {
  color: var(--color-accent);
}

.section-subtitle {
  color: var(--color-text-light);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  transform: translateX(-100%);
  transition: transform var(--transition-base);
}

.btn:hover::before {
  transform: translateX(0);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn-white:hover {
  background: var(--color-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

.mobile-lang-switcher {
  display: none;
}

/* --- Header / Navigation --- */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-white);
  transition: box-shadow var(--transition-base), background var(--transition-base);
}

#header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-top {
  background: var(--color-primary-dark);
  padding: 0.4rem 0;
  display: flex;
  align-items: center;
}

.header-top .container {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-md);
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.lang-btn img {
  width: 18px;
  height: 13px;
  border-radius: 2px;
  display: inline;
}

.lang-btn.active,
.lang-btn:hover {
  color: var(--color-white);
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.1);
}

.header-cta-top {
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.3rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.header-cta-top:hover {
  background: var(--color-accent-dark);
}

.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
  gap: var(--space-md);
}

.logo {
  flex-shrink: 0;
}

.logo img {
  height: 55px;
  width: auto;
}

/* --- Navigation --- */
.nav {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 0.5rem 0.9rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-fast);
  position: relative;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.9rem;
  right: 0.9rem;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

/* Dropdown */
.nav-item.has-dropdown > .nav-link::before {
  content: ' ▾';
  font-size: 0.7rem;
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-base);
  z-index: 100;
  border-top: 3px solid var(--color-primary);
}

.nav-item.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.dropdown-link:hover {
  color: var(--color-primary);
  background: var(--color-light);
  padding-left: 1.5rem;
}

.nav-cta {
  margin-left: var(--space-md);
  background: var(--color-primary);
  color: var(--color-white) !important;
  padding: 0.55rem 1.25rem !important;
  border-radius: var(--radius-full) !important;
  font-weight: 600 !important;
  transition: all var(--transition-base) !important;
}

.nav-cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.nav-cta::after { display: none !important; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  background: none;
  border: none;
  margin-left: 0.5rem;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

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

/* --- Wave Divider --- */
.wave-divider {
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.wave-divider svg {
  display: block;
  width: 100%;
}

/* --- Hero Section --- */
.hero {
  padding-top: var(--header-height);
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-light) 0%, var(--color-light-alt) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 150, 217, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  width: 100%;
}

.hero-content {
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 900;
  color: var(--color-primary-dark);
  line-height: 1.1;
  margin-bottom: var(--space-lg);
}

.hero-title .highlight {
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
  max-width: 460px;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.hero-stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 2px;
}

.hero-media {
  position: relative;
}

.hero-image-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 4/3;
}

.hero-image-wrap img,
.hero-image-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-badge-float {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.hero-badge-float .number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.hero-badge-float .label {
  font-size: 0.75rem;
  color: var(--color-text-light);
  font-weight: 500;
}

.hero-badge-float2 {
  position: absolute;
  top: 20px;
  right: -20px;
  background: var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-lg);
  color: var(--color-white);
  text-align: center;
}

.hero-badge-float2 .number {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
}

.hero-badge-float2 .label {
  font-size: 0.7rem;
  opacity: 0.9;
  font-weight: 500;
}

/* --- Course Cards --- */
.courses-section {
  background: var(--color-white);
  padding: var(--space-5xl) 0;
  position: relative;
}

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

.courses-grid .course-card:nth-child(4),
.courses-grid .course-card:nth-child(5) {
  grid-column: span 1;
}

.courses-row-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  max-width: 820px;
  margin: var(--space-xl) auto 0;
}

.course-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.course-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

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

.course-card:hover::before {
  transform: scaleX(1);
}

.course-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  background: var(--color-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  transition: all var(--transition-base);
}

.course-card:hover .course-icon {
  background: var(--color-primary);
  color: var(--color-white);
  transform: scale(1.1);
}

.course-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.course-price {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

/* --- Features/Why Section --- */
.why-section {
  background: var(--color-light);
  padding: var(--space-5xl) 0;
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.feature-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

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

.feature-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-size: 1.75rem;
  color: var(--color-white);
  transition: transform var(--transition-base);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(-5deg);
}

.feature-card h4 {
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  font-size: 1.05rem;
}

.feature-card p {
  color: var(--color-text-light);
  font-size: 0.92rem;
}

/* --- About Preview Section --- */
.about-section {
  padding: var(--space-5xl) 0;
  background: var(--color-white);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-content .section-label { text-align: left; }
.about-content h2 { color: var(--color-primary); margin-bottom: var(--space-lg); }
.about-content p { color: var(--color-text-light); margin-bottom: var(--space-xl); }

.about-media-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-md);
  position: relative;
}

.about-img-main {
  grid-row: span 2;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.about-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-stat-box {
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-xs);
}

.about-stat-box.blue {
  background: var(--color-primary);
  color: var(--color-white);
}

.about-stat-box.light {
  background: var(--color-light);
}

.about-stat-box .number {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1;
}

.about-stat-box .stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.9;
}

/* --- Testimonials --- */
.testimonials-section {
  background: var(--color-dark);
  padding: var(--space-5xl) 0;
  position: relative;
  overflow: hidden;
}

.testimonials-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/home/students-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.08;
}

.testimonials-section .section-title {
  color: var(--color-white);
}

.carousel-wrapper {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
}

.carousel-track {
  overflow: hidden;
}

.carousel-slides {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.testimonial-slide {
  min-width: 100%;
  padding: 0 var(--space-xl);
  text-align: center;
}

.testimonial-text {
  font-size: 1.15rem;
  font-style: italic;
  color: rgba(255,255,255,0.88);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  font-family: var(--font-display);
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.testimonial-author img {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  border: 3px solid var(--color-accent);
  object-fit: cover;
  display: inline;
}

.testimonial-name {
  font-weight: 700;
  color: var(--color-white);
  font-size: 1rem;
}

.testimonial-flag {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.15);
  border: 2px solid rgba(255,255,255,0.3);
  color: var(--color-white);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.carousel-btn.prev { left: -60px; }
.carousel-btn.next { right: -60px; }

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
}

.carousel-dot.active {
  background: var(--color-accent);
  width: 24px;
}

/* --- Blog --- */
.blog-section {
  padding: var(--space-5xl) 0;
  background: var(--color-white);
}

.blog-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-xl);
}

.blog-featured {
  grid-row: span 2;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

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

.blog-featured:hover img {
  transform: scale(1.05);
}

.blog-featured-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-xl);
  background: linear-gradient(to top, rgba(13,58,94,0.95) 0%, transparent 100%);
  color: var(--color-white);
}

.blog-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  background: var(--color-white);
}

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

.blog-card-img {
  aspect-ratio: 16/9;
  overflow: hidden;
}

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

.blog-card:hover .blog-card-img img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: var(--space-lg);
  flex: 1;
}

.blog-category {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-light);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
}

.blog-date {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

.blog-date svg {
  vertical-align: middle;
  margin-right: 4px;
}

.blog-card h4 {
  font-size: 0.95rem;
  line-height: 1.4;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.blog-card:hover h4 {
  color: var(--color-primary);
}

/* --- Contact / CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  padding: var(--space-5xl) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/home/beach-palms.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  opacity: 0.1;
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: var(--space-md);
}

.cta-section .section-label {
  color: var(--color-accent);
}

.cta-content p {
  color: rgba(255,255,255,0.8);
}

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

.contact-form-card h3 {
  text-align: center;
  color: var(--color-primary);
  margin-bottom: var(--space-xl);
  font-size: 1.25rem;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-input,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-light);
  color: var(--color-text);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input::placeholder { color: var(--color-text-light); }

.form-input:focus,
.form-select:focus {
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(26,111,163,0.1);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24'%3E%3Cpath fill='%235a6a7e' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

/* --- Footer --- */
#footer {
  background: var(--color-dark-alt);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-social-section {
  text-align: center;
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: var(--space-xl);
}

.footer-social-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.1rem;
  transition: all var(--transition-base);
  border: 1px solid rgba(255,255,255,0.15);
}

.social-link:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-nav a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--color-white);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.4);
  font-size: 0.8rem;
}

/* --- Page Hero Banner --- */
.page-hero {
  padding-top: var(--header-height);
  min-height: 340px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
}

.page-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,58,94,0.85) 0%, rgba(26,111,163,0.7) 100%);
}

.page-hero-content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  text-align: center;
  width: 100%;
}

.page-hero-content h1 {
  color: var(--color-white);
  font-family: var(--font-display);
  margin-bottom: var(--space-md);
}

.page-hero-content p {
  color: rgba(255,255,255,0.85);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Wave shape at bottom of page hero */
.page-hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
}

/* --- FAQ Accordion --- */
.faq-section {
  padding: var(--space-5xl) 0;
}

.faq-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.faq-sidebar h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.faq-sidebar p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
}

.faq-sidebar a {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.9rem;
}

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  gap: var(--space-md);
}

.accordion-number {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.accordion-question {
  flex: 1;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.accordion-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--color-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.accordion-btn[aria-expanded="true"] .accordion-icon {
  background: var(--color-primary);
  color: var(--color-white);
  transform: rotate(45deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.25s ease;
}

.accordion-body.open {
  max-height: 500px;
}

.accordion-answer {
  padding: 0 0 var(--space-lg) 2.5rem;
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Blog Page --- */
.blog-page-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.blog-filter {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  border: 1.5px solid var(--color-border);
  background: transparent;
  color: var(--color-text-light);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* --- Location Pages --- */
.location-intro {
  padding: var(--space-5xl) 0;
}

.location-intro .grid-2 {
  align-items: center;
  gap: var(--space-4xl);
}

.location-intro img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
}

.location-school {
  padding: var(--space-5xl) 0;
  background: var(--color-light);
}

/* --- Course Detail --- */
.course-detail {
  padding: var(--space-5xl) 0;
}

.course-detail-inner {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-3xl);
  align-items: start;
}

.course-detail-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.course-detail-img img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.course-sidebar-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  position: sticky;
  top: calc(var(--header-height) + var(--space-xl));
}

.course-sidebar-price {
  text-align: center;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.course-sidebar-price .price-label {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.course-sidebar-price .price-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
}

/* --- WhatsApp Float --- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  animation: pulse-wa 2s infinite;
}

.whatsapp-float a {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-full);
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
  transition: all var(--transition-base);
  color: var(--color-white);
  font-size: 1.6rem;
}

.whatsapp-float a:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.7);
}

@keyframes pulse-wa {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-left.visible,
.slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger delay classes */
.delay-1 { transition-delay: 0.1s !important; }
.delay-2 { transition-delay: 0.2s !important; }
.delay-3 { transition-delay: 0.3s !important; }
.delay-4 { transition-delay: 0.4s !important; }
.delay-5 { transition-delay: 0.5s !important; }

/* --- About Page Specific --- */
.about-team-video {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
  aspect-ratio: 16/9;
}

.about-team-video img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-play-btn span {
  width: 72px;
  height: 72px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-primary);
  box-shadow: var(--shadow-xl);
  cursor: pointer;
  transition: all var(--transition-base);
}

.video-play-btn span:hover {
  transform: scale(1.1);
  background: var(--color-primary);
  color: var(--color-white);
}

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-md);
  justify-content: center;
}

.breadcrumb a {
  color: rgba(255,255,255,0.7);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover { color: var(--color-white); }

.breadcrumb span { color: rgba(255,255,255,0.4); }

/* --- Admin Link (Hidden) --- */
.admin-link {
  position: fixed;
  bottom: 100px;
  right: 28px;
  z-index: 998;
  opacity: 0;
  pointer-events: none;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  :root { --header-height: 80px; }

  .hero-inner { gap: var(--space-2xl); }
  .courses-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-featured { grid-row: span 1; height: 300px; }
  .cta-inner { gap: var(--space-2xl); }
  .course-detail-inner { grid-template-columns: 1fr; }
  .course-sidebar-card { position: static; }
}

@media (max-width: 900px) {
  :root {
    --header-height: 80px;
  }

  .hamburger { display: flex; }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    padding: var(--space-lg);
    transform: translateY(-110%);
    transition: transform var(--transition-base);
    z-index: 999;
  }

  .nav.open {
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    width: 100%;
  }

  .nav-item { width: 100%; }

  .nav-link {
    padding: 0.75rem 0;
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-link::after { display: none; }

  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0 0 0 var(--space-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
  }

  .header-top {
    display: none !important;
  }
  
  .header-main {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100%;
  }

  .logo {
    display: block !important;
    margin-right: auto;
    flex: 0 0 auto !important;
  }

  .nav-item.has-dropdown.open .dropdown {
    max-height: 500px;
  }

  .nav-cta {
    margin: var(--space-md) 0 0;
    width: 100%;
    justify-content: center;
    padding: 0.75rem !important;
  }

  .hero { min-height: auto; padding: calc(var(--header-height) + 2rem) 0 3rem; }
  .hero-inner { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .hero-media { order: -1; }
  .hero-badge-float, .hero-badge-float2 { display: none; }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .courses-grid { grid-template-columns: 1fr; }
  .courses-row-2 { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; }
  .cta-inner { grid-template-columns: 1fr; }
  .faq-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .blog-page-grid { grid-template-columns: 1fr; }

  .carousel-btn.prev { left: 0; }
  .carousel-btn.next { right: 0; }
  .carousel-wrapper { padding: 0 var(--space-3xl); }
  
  .mobile-lang-switcher {
    display: none !important;
  }
  
  .mobile-lang-switcher a {
    display: inline-block;
    transition: transform var(--transition-fast);
  }
  
  .mobile-lang-switcher a:hover {
    transform: scale(1.1);
  }

  .logo img {
    height: 40px;
    width: auto;
    display: block;
    max-width: 100%;
  }

  .about-media-grid { grid-template-columns: 1fr; }
  .about-img-main { grid-row: span 1; aspect-ratio: 16/9; }
}

@media (max-width: 480px) {
  :root {
    --space-5xl: 4rem;
    --space-4xl: 3rem;
  }
  .container { padding: 0 var(--space-md); }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .hero-stats { gap: var(--space-lg); }
  
  .logo img {
    height: 34px;
  }
  .mobile-lang-switcher { gap: 0.5rem; }
}

/* ═══════════════════════════════════════════════
   INNER PAGE HERO
═══════════════════════════════════════════════ */
.page-hero {
  position: relative;
  padding: calc(var(--header-height) + 3rem) 0 4rem;
  overflow: hidden;
  min-height: 340px;
  display: flex;
  align-items: flex-end;
}
.page-hero-bg { position: absolute; inset: 0; }
.page-hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.page-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(13,58,94,.6) 0%, rgba(13,58,94,.85) 100%);
}
.page-hero-content { position: relative; z-index: 2; padding-bottom: 2rem; }
.page-hero-content h1 { color: #fff; font-size: clamp(2rem,4vw,3rem); font-family: var(--font-display); margin-bottom: .75rem; }
.page-hero-content p { color: rgba(255,255,255,.85); font-size: 1.05rem; max-width: 600px; }
.page-hero-wave { position: absolute; bottom: 0; left: 0; right: 0; z-index: 3; line-height: 0; }
.breadcrumb { display: flex; align-items: center; gap: .4rem; font-size: .8rem; color: rgba(255,255,255,.65); margin-bottom: .75rem; }
.breadcrumb a { color: rgba(255,255,255,.75); text-decoration: none; }
.breadcrumb a:hover { color: #fff; }

/* ═══════════════════════════════════════════════
   LOCATION SCHOOL SECTION
═══════════════════════════════════════════════ */
.location-school { background: var(--color-light); padding: var(--space-5xl) 0; }

/* ═══════════════════════════════════════════════
   FAQ
═══════════════════════════════════════════════ */
.faq-section { padding: var(--space-5xl) 0; background: var(--color-white); }
.faq-layout { display: grid; grid-template-columns: 280px 1fr; gap: var(--space-4xl); align-items: start; }
.faq-sidebar { background: var(--color-primary); border-radius: var(--radius-lg); padding: var(--space-2xl); color: #fff; position: sticky; top: calc(var(--header-height) + 1rem); }
.faq-sidebar h3 { color: #fff; margin-bottom: 1rem; font-size: 1.15rem; }
.faq-sidebar p { color: rgba(255,255,255,.8); font-size: .9rem; margin-bottom: .5rem; }
.accordion-item { border-bottom: 1px solid var(--color-border); }
.accordion-btn { width: 100%; background: none; border: none; padding: 1.25rem 0; display: flex; align-items: center; gap: 1rem; cursor: pointer; text-align: left; transition: all var(--transition-base); }
.accordion-btn:hover .accordion-question { color: var(--color-primary); }
.accordion-number { flex-shrink: 0; width: 32px; height: 32px; background: var(--color-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: .8rem; font-weight: 700; color: var(--color-primary); transition: all var(--transition-base); }
.accordion-btn.active .accordion-number { background: var(--color-primary); color: #fff; }
.accordion-question { flex: 1; font-size: .95rem; font-weight: 600; color: var(--color-text); transition: color var(--transition-base); }
.accordion-icon { flex-shrink: 0; font-size: 1.25rem; font-weight: 300; color: var(--color-primary); transition: transform var(--transition-base); line-height: 1; }
.accordion-btn.active .accordion-icon { transform: rotate(45deg); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height .35s cubic-bezier(.4,0,.2,1); }
.accordion-body.open { max-height: 400px; }
.accordion-answer { padding: 0 0 1.25rem 3rem; color: var(--color-text-light); font-size: .9rem; line-height: 1.7; }

/* ═══════════════════════════════════════════════
   BLOG PAGE GRID + FILTERS
═══════════════════════════════════════════════ */
.blog-filter { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.filter-btn { padding: .45rem 1.1rem; border-radius: var(--radius-full); border: 1.5px solid var(--color-border); background: transparent; color: var(--color-text-light); font-size: .85rem; font-weight: 600; cursor: pointer; transition: all var(--transition-base); font-family: inherit; }
.filter-btn.active, .filter-btn:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.blog-page-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-2xl); }
.blog-post-card { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); transition: all var(--transition-base); background: #fff; }
.blog-post-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.blog-post-card .blog-card { box-shadow: none; border: none; }
.blog-post-card.hidden { display: none; }

/* ═══════════════════════════════════════════════
   VIDEO PLAY BUTTON
═══════════════════════════════════════════════ */
.about-team-video { position: relative; border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-xl); aspect-ratio: 16/9; cursor: pointer; }
.about-team-video img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.about-team-video:hover img { transform: scale(1.04); }
.video-play-btn { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(13,58,94,.35); }
.video-play-btn span { width: 72px; height: 72px; border-radius: 50%; background: #fff; color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; padding-left: 4px; transition: transform var(--transition-base); box-shadow: var(--shadow-xl); }
.video-play-btn:hover span { transform: scale(1.1); }

/* ═══════════════════════════════════════════════
   RESPONSIVE — INNER PAGES
═══════════════════════════════════════════════ */
@media (max-width: 1024px) { .blog-page-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 768px) {
  .page-hero { min-height: 260px; padding: calc(var(--header-height) + 2rem) 0 3rem; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-sidebar { position: static; }
  .blog-page-grid { grid-template-columns: 1fr; }
  .accordion-answer { padding-left: 0; }
  .back-to-top { bottom: 1rem; left: 1rem; width: 3rem; height: 3rem; font-size: 1.25rem; }
}

/* ═══════════════════════════════════════════════
   BACK TO TOP
═══════════════════════════════════════════════ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 3.5rem;
  height: 3.5rem;
  background-color: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border: none;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(26, 111, 163, 0.3);
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background-color: var(--color-accent);
  transform: translateY(-5px);
}