/* ─── TOKENS ─────────────────────────────────────────────────── */
:root {
  --navy:       #0d1b2a;
  --navy-mid:   #1b2d42;
  --teal:       #1a8a7c;
  --teal-light: #22b5a3;
  --gold:       #e8a427;
  --gold-light: #f5c15e;
  --cream:      #f8f5f0;
  --white:      #ffffff;
  --gray-100:   #f4f6f8;
  --gray-200:   #e8ecf0;
  --gray-400:   #9aa5b4;
  --gray-600:   #5a6472;
  --gray-800:   #2d3748;
  --text:       #1a202c;

  --font-sans:  'Inter', system-ui, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --shadow-sm:  0 1px 4px rgba(0,0,0,.08);
  --shadow-md:  0 4px 20px rgba(0,0,0,.10);
  --shadow-lg:  0 12px 48px rgba(0,0,0,.14);
  --transition: .22s ease;

  --max-w:      1140px;
  --section-py: 96px;
}

/* ─── RESET ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-sans); color: var(--text); background: var(--white); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ─── TYPOGRAPHY ─────────────────────────────────────────────── */
h1,h2,h3,h4 { font-family: var(--font-serif); line-height: 1.2; color: var(--navy); }
h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
p  { color: var(--gray-600); font-size: 1.05rem; }

/* ─── LAYOUT HELPERS ─────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--teal); background: rgba(26,138,124,.10); padding: 6px 14px;
  border-radius: 100px; margin-bottom: 20px;
}
.section-tag::before { content: ''; display: block; width: 8px; height: 8px; border-radius: 50%; background: var(--teal); }

/* ─── SCROLL REVEAL ──────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .55s ease, transform .55s ease; }
.reveal.revealed { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .10s; }
.reveal-delay-2 { transition-delay: .20s; }
.reveal-delay-3 { transition-delay: .30s; }
.reveal-delay-4 { transition-delay: .40s; }

/* ─── BUTTONS ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 1rem; transition: all var(--transition);
}
.btn-primary {
  background: var(--teal); color: var(--white);
  box-shadow: 0 4px 16px rgba(26,138,124,.35);
}
.btn-primary:hover { background: var(--teal-light); box-shadow: 0 6px 24px rgba(26,138,124,.45); transform: translateY(-2px); }
.btn-outline {
  background: transparent; color: var(--navy); border: 2px solid var(--navy);
}
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-ghost {
  background: rgba(255,255,255,.12); color: var(--white); border: 1.5px solid rgba(255,255,255,.35);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255,255,255,.22); }
.btn-gold {
  background: var(--gold); color: var(--navy); font-weight: 700;
  box-shadow: 0 4px 16px rgba(232,164,39,.35);
}
.btn-gold:hover { background: var(--gold-light); transform: translateY(-2px); }

/* ─── HEADER ─────────────────────────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 18px 0; transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.site-header.scrolled {
  background: rgba(13,27,42,.97); backdrop-filter: blur(16px);
  box-shadow: 0 2px 20px rgba(0,0,0,.25); padding: 12px 0;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  font-family: var(--font-serif); font-size: 1.5rem; font-weight: 700;
  color: var(--white); letter-spacing: -.01em;
}
.logo span { color: var(--teal-light); }
#main-nav { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
.nav-links { display: flex; align-items: center; gap: 2px; flex-wrap: nowrap; }
.nav-link {
  padding: 7px 10px; border-radius: var(--radius-sm); color: rgba(255,255,255,.75);
  font-size: .85rem; font-weight: 500; transition: all var(--transition);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active { color: var(--white); background: rgba(255,255,255,.08); }
.nav-cta { margin-left: 8px; white-space: nowrap; padding: 10px 18px !important; font-size: .88rem !important; }

/* Language switcher — single pill button + dropdown */
.lang-switcher-wrap { position: relative; margin-left: 16px; }
.lang-trigger {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 12px; border-radius: var(--radius-sm);
  font-size: .78rem; font-weight: 600;
  color: rgba(255,255,255,.7); border: 1px solid rgba(255,255,255,.2);
  transition: all var(--transition); cursor: pointer;
}
.lang-trigger:hover { color: var(--white); border-color: rgba(255,255,255,.4); }
.lang-trigger .lang-chevron { font-size: .6rem; transition: transform 0.2s; }
.lang-switcher-wrap.open .lang-chevron { transform: rotate(180deg); }
#lang-switcher {
  display: none; flex-direction: column; gap: 2px;
  position: absolute; top: calc(100% + 8px); right: 0;
  min-width: 150px; background: var(--navy);
  border: 1px solid rgba(255,255,255,.15); border-radius: var(--radius-md);
  padding: 6px; box-shadow: var(--shadow-lg); z-index: 200;
}
.lang-switcher-wrap.open #lang-switcher { display: flex; }
.lang-btn {
  padding: 7px 12px; border-radius: var(--radius-sm); font-size: .82rem;
  font-weight: 500; color: rgba(255,255,255,.7);
  text-align: left; transition: all var(--transition);
  border: none;
}
.lang-btn:hover { color: var(--white); background: rgba(255,255,255,.08); }
.lang-btn.active { color: var(--teal-light); font-weight: 700; }

/* Mobile menu toggle */
.menu-toggle {
  display: none; flex-direction: column; gap: 5px; padding: 6px;
  color: var(--white);
}
.menu-toggle span {
  display: block; width: 24px; height: 2px; background: currentColor;
  border-radius: 2px; transition: transform var(--transition), opacity var(--transition);
}

/* ─── HERO ───────────────────────────────────────────────────── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background: linear-gradient(135deg, var(--navy) 0%, #0f2744 45%, #162f4a 100%);
  position: relative; overflow: hidden; padding-top: 80px;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%231a8a7c' fill-opacity='0.07'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: .5;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px;
  align-items: center; width: 100%; position: relative; z-index: 1;
  padding: var(--section-py) 0;
}
.hero-content { color: var(--white); }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(26,138,124,.2); border: 1px solid rgba(34,181,163,.3);
  color: var(--teal-light); padding: 8px 16px; border-radius: 100px;
  font-size: .82rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  margin-bottom: 28px;
}
.hero-headline { color: var(--white); margin-bottom: 20px; }
.hero-headline em { color: var(--teal-light); font-style: normal; }
.hero-subheadline { color: rgba(255,255,255,.72); font-size: 1.15rem; max-width: 500px; margin-bottom: 40px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 52px; }
.hero-badges { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.hero-badge {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md); padding: 16px 18px; backdrop-filter: blur(6px);
}
.badge-number { font-family: var(--font-serif); font-size: 1.5rem; font-weight: 700; color: var(--gold); }
.badge-label { font-size: .82rem; color: rgba(255,255,255,.6); margin-top: 2px; }

/* Hero visual */
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.hero-card {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-lg); padding: 40px 36px; backdrop-filter: blur(12px);
  max-width: 380px; width: 100%; position: relative;
}
.hero-avatar {
  width: 88px; height: 88px; border-radius: 50%; margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--teal), var(--navy-mid));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-size: 2.2rem; font-weight: 700; color: var(--white);
  border: 3px solid var(--teal-light);
}
.hero-card-name { font-family: var(--font-serif); font-size: 1.6rem; color: var(--white); text-align: center; }
.hero-card-title { color: var(--teal-light); font-size: .9rem; text-align: center; margin-bottom: 24px; }
.hero-card-stars { text-align: center; margin-bottom: 8px; }
.hero-card-stars span { color: var(--gold); font-size: 1.2rem; }
.hero-card-rating-text { text-align: center; color: rgba(255,255,255,.6); font-size: .85rem; margin-bottom: 20px; }
.hero-card-langs { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.lang-pill {
  background: rgba(26,138,124,.2); color: var(--teal-light);
  padding: 4px 10px; border-radius: 100px; font-size: .75rem; font-weight: 600;
}
.hero-card-flag {
  position: absolute; top: -12px; right: 20px;
  background: var(--gold); color: var(--navy); padding: 6px 14px;
  border-radius: 100px; font-size: .75rem; font-weight: 700; letter-spacing: .04em;
}

/* ─── ABOUT ──────────────────────────────────────────────────── */
.about { padding: var(--section-py) 0; background: var(--cream); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.about-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 40px 0;
}
.stat-card {
  background: var(--white); border-radius: var(--radius-md); padding: 24px 20px;
  box-shadow: var(--shadow-sm); border-left: 4px solid var(--teal);
  transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat-number { font-family: var(--font-serif); font-size: 2.2rem; font-weight: 700; color: var(--teal); }
.stat-label { font-size: .85rem; color: var(--gray-600); margin-top: 4px; }
.cert-list { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
.cert-item {
  display: flex; align-items: center; gap: 10px; padding: 12px 16px;
  background: var(--white); border-radius: var(--radius-sm); box-shadow: var(--shadow-sm);
  font-size: .9rem; font-weight: 600; color: var(--navy);
}
.cert-item::before { content: '✓'; color: var(--teal); font-weight: 700; }
.client-logos { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.client-logo {
  padding: 6px 14px; border: 1.5px solid var(--gray-200); border-radius: var(--radius-sm);
  font-size: .82rem; font-weight: 600; color: var(--gray-600);
  background: var(--white);
}

/* About image side */
.about-visual { position: relative; }
.about-photo-frame {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  border-radius: var(--radius-lg); padding: 48px 36px; text-align: center;
  box-shadow: var(--shadow-lg);
}
.about-avatar {
  width: 140px; height: 140px; border-radius: 50%; margin: 0 auto 24px;
  background: linear-gradient(135deg, var(--teal), #0d6e63);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-size: 3.5rem; font-weight: 700; color: var(--white);
  border: 4px solid var(--teal-light);
}
.about-quote {
  color: rgba(255,255,255,.8); font-style: italic; font-size: 1rem;
  line-height: 1.6; margin-bottom: 20px;
}
.about-quote-attr { color: var(--teal-light); font-size: .85rem; font-weight: 600; }
.about-float {
  position: absolute; bottom: -20px; right: -20px;
  background: var(--gold); color: var(--navy); padding: 16px 22px;
  border-radius: var(--radius-md); box-shadow: var(--shadow-md); font-weight: 700;
  font-size: .85rem; text-align: center; line-height: 1.3;
}

/* ─── APPROACH ───────────────────────────────────────────────── */
.approach { padding: var(--section-py) 0; background: var(--white); }
.approach-header { text-align: center; max-width: 640px; margin: 0 auto 60px; }
.approach-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.approach-card {
  border-radius: var(--radius-md); padding: 32px 28px;
  border: 1px solid var(--gray-200); transition: all var(--transition);
  position: relative; overflow: hidden;
}
.approach-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--teal-light));
  transform: scaleX(0); transform-origin: left; transition: transform var(--transition);
}
.approach-card:hover { box-shadow: var(--shadow-md); border-color: transparent; transform: translateY(-4px); }
.approach-card:hover::before { transform: scaleX(1); }
.approach-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  background: rgba(26,138,124,.10); color: var(--teal);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 18px;
}
.approach-card h3 { margin-bottom: 10px; font-size: 1.1rem; }
.approach-card p { font-size: .95rem; }

/* ─── COURSES ────────────────────────────────────────────────── */
.courses { padding: var(--section-py) 0; background: var(--navy); }
.courses .section-tag { background: rgba(26,138,124,.2); }
.courses-header { text-align: center; max-width: 640px; margin: 0 auto 60px; }
.courses-header h2 { color: var(--white); }
.courses-header p { color: rgba(255,255,255,.65); }
.courses-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 36px; }
.course-card {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius-lg); padding: 36px 28px;
  transition: all var(--transition); position: relative; overflow: hidden;
  display: flex; flex-direction: column;
}
.course-card:hover {
  background: rgba(255,255,255,.09); border-color: rgba(26,138,124,.5);
  transform: translateY(-6px); box-shadow: 0 16px 48px rgba(0,0,0,.3);
}
.course-card.featured {
  background: linear-gradient(135deg, rgba(26,138,124,.25), rgba(26,138,124,.10));
  border-color: var(--teal);
}
.course-tag {
  position: absolute; top: 20px; right: 20px;
  background: var(--gold); color: var(--navy);
  padding: 4px 12px; border-radius: 100px; font-size: .72rem; font-weight: 700;
}
.course-name { font-family: var(--font-serif); font-size: 1.25rem; color: var(--white); margin-bottom: 8px; }
.course-level { color: var(--teal-light); font-size: .82rem; font-weight: 600; margin-bottom: 16px; }
.course-desc { color: rgba(255,255,255,.65); font-size: .93rem; line-height: 1.65; flex: 1; margin-bottom: 24px; }
.course-footer { display: flex; align-items: center; justify-content: space-between; }
.course-price { font-family: var(--font-serif); font-size: 1.35rem; font-weight: 700; color: var(--gold); }
.course-lessons { font-size: .78rem; color: rgba(255,255,255,.4); }

.trial-box {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  background: rgba(232,164,39,.12); border: 1px solid rgba(232,164,39,.3);
  border-radius: var(--radius-md); padding: 28px 36px; flex-wrap: wrap;
}
.trial-box-text h3 { color: var(--white); margin-bottom: 6px; font-size: 1.15rem; }
.trial-box-text p { color: rgba(255,255,255,.65); font-size: .92rem; }

/* ─── TESTIMONIALS ───────────────────────────────────────────── */
.testimonials { padding: var(--section-py) 0; background: var(--cream); }
.testimonials-header { text-align: center; max-width: 580px; margin: 0 auto 20px; }
.rating-overview {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  margin-bottom: 56px;
}
.rating-stars { color: var(--gold); font-size: 1.5rem; }
.rating-score { font-family: var(--font-serif); font-size: 2rem; font-weight: 700; color: var(--navy); }
.rating-label { color: var(--gray-600); font-size: .9rem; }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.testimonial-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 36px 30px;
  box-shadow: var(--shadow-sm); transition: all var(--transition); position: relative;
}
.testimonial-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.testimonial-card::before {
  content: '"'; font-family: var(--font-serif); font-size: 5rem; line-height: 1;
  color: var(--teal); opacity: .15; position: absolute; top: 12px; left: 24px;
}
.testimonial-stars { color: var(--gold); margin-bottom: 16px; }
.testimonial-quote { color: var(--gray-800); font-size: .97rem; line-height: 1.7; margin-bottom: 24px; font-style: italic; }
.testimonial-author { color: var(--teal); font-size: .85rem; font-weight: 700; }

/* ─── FAQ ────────────────────────────────────────────────────── */
.faq { padding: var(--section-py) 0; background: var(--white); }
.faq-inner { display: grid; grid-template-columns: 1fr 2fr; gap: 80px; align-items: start; }
.faq-header { position: sticky; top: 100px; }
.faq-list { display: flex; flex-direction: column; gap: 0; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--gray-200); }
.faq-item { border-bottom: 1px solid var(--gray-200); }
.faq-item:last-child { border-bottom: none; }
.faq-question {
  width: 100%; text-align: left; padding: 22px 24px; font-size: 1rem; font-weight: 600;
  color: var(--navy); display: flex; justify-content: space-between; align-items: center; gap: 16px;
  background: var(--white); transition: background var(--transition);
}
.faq-question:hover { background: var(--gray-100); }
.faq-question::after {
  content: '+'; font-size: 1.4rem; font-weight: 300; color: var(--teal);
  flex-shrink: 0; transition: transform var(--transition);
}
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height .35s ease;
}
.faq-answer-inner { padding: 0 24px 22px; color: var(--gray-600); font-size: .97rem; line-height: 1.7; }

/* ─── CONTACT ────────────────────────────────────────────────── */
.contact { padding: var(--section-py) 0; background: var(--navy); }
.contact .section-tag { background: rgba(26,138,124,.2); }
.contact-header { text-align: center; max-width: 560px; margin: 0 auto 56px; }
.contact-header h2 { color: var(--white); }
.contact-header p { color: rgba(255,255,255,.65); }
.contact-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 60px; align-items: start; }
.contact-form {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius-lg); padding: 44px 40px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-label { font-size: .85rem; font-weight: 600; color: rgba(255,255,255,.7); }
.form-input, .form-select, .form-textarea {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-sm); padding: 13px 16px;
  color: var(--white); font-size: .97rem; font-family: inherit;
  transition: border-color var(--transition), background var(--transition);
  width: 100%;
}
.form-input::placeholder, .form-textarea::placeholder { color: rgba(255,255,255,.3); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--teal-light); background: rgba(255,255,255,.10);
}
.form-select option { background: var(--navy); }
.form-textarea { resize: vertical; min-height: 130px; }
.form-submit { width: 100%; margin-top: 8px; justify-content: center; padding: 16px; font-size: 1.05rem; }
.contact-aside { padding-top: 8px; }
.contact-aside-box {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius-md); padding: 32px 28px; margin-bottom: 24px;
}
.contact-aside-box h3 { color: var(--white); font-size: 1rem; margin-bottom: 16px; }
.aside-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.08);
}
.aside-item:last-child { border-bottom: none; }
.aside-icon { color: var(--teal-light); font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }
.aside-text { font-size: .88rem; color: rgba(255,255,255,.65); line-height: 1.5; }
.or-divider {
  text-align: center; color: rgba(255,255,255,.35); font-size: .85rem; font-weight: 600;
  margin: 24px 0; position: relative;
}
.or-divider::before, .or-divider::after {
  content: ''; position: absolute; top: 50%; width: 40%; height: 1px;
  background: rgba(255,255,255,.1);
}
.or-divider::before { left: 0; }
.or-divider::after { right: 0; }

/* ─── FOOTER ─────────────────────────────────────────────────── */
.site-footer { background: #071018; padding: 60px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 60px; margin-bottom: 48px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-tagline { color: rgba(255,255,255,.45); font-size: .9rem; max-width: 280px; line-height: 1.6; }
.footer-col h4 { color: rgba(255,255,255,.7); font-size: .8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 16px; font-family: var(--font-sans); }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-link { color: rgba(255,255,255,.45); font-size: .9rem; transition: color var(--transition); }
.footer-link:hover { color: var(--teal-light); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,.08); padding-top: 28px; gap: 16px;
  flex-wrap: wrap;
}
.footer-copyright { color: rgba(255,255,255,.3); font-size: .83rem; }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { color: rgba(255,255,255,.3); font-size: .83rem; transition: color var(--transition); }
.footer-legal a:hover { color: rgba(255,255,255,.6); }

/* ─── TOAST ──────────────────────────────────────────────────── */
#toast {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%) translateY(80px);
  background: var(--teal); color: var(--white); padding: 14px 28px;
  border-radius: var(--radius-md); font-size: .95rem; font-weight: 600;
  box-shadow: var(--shadow-lg); opacity: 0; transition: all .35s ease; z-index: 1000;
  white-space: nowrap;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ─── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  :root { --section-py: 72px; }
  .courses-grid { grid-template-columns: 1fr 1fr; }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-brand { grid-column: span 2; }
}

@media (max-width: 768px) {
  :root { --section-py: 56px; }
  .menu-toggle { display: flex; }
  #main-nav {
    position: fixed; inset: 0; top: 0; background: rgba(13,27,42,.98);
    backdrop-filter: blur(16px); flex-direction: column; justify-content: center;
    align-items: center; gap: 12px; display: none;
  }
  #main-nav.open { display: flex; }
  .nav-links { flex-direction: column; align-items: center; }
  .nav-link { font-size: 1.3rem; padding: 12px 24px; }
  .nav-cta { margin-left: 0; margin-top: 12px; }
  .lang-switcher-wrap { margin-left: 0; margin-top: 20px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { display: none; }
  .approach-cards { grid-template-columns: 1fr; }
  .courses-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .faq-inner { grid-template-columns: 1fr; gap: 40px; }
  .faq-header { position: static; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-form { padding: 28px 22px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand { grid-column: span 1; }
  .trial-box { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-badges { grid-template-columns: 1fr 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
}

/* ─── BLOG SECTION ───────────────────────────────────────────── */
.blog { padding: var(--section-py) 0; background: var(--cream); }
.blog-header { text-align: center; max-width: 600px; margin: 0 auto 52px; }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 44px; }
.blog-card {
  background: var(--white); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: all var(--transition); cursor: pointer;
  display: flex; flex-direction: column;
}
.blog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-5px); }
.blog-card-image {
  width: 100%; aspect-ratio: 16/9; object-fit: cover;
  background: var(--gray-200);
}
.blog-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.blog-card-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.blog-card-tag {
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em;
  color: var(--teal); background: rgba(26,138,124,.10); padding: 3px 10px; border-radius: 100px;
}
.blog-card-title {
  font-family: var(--font-serif); font-size: 1.1rem; color: var(--navy);
  margin-bottom: 10px; line-height: 1.4;
}
.blog-card-excerpt { color: var(--gray-600); font-size: .9rem; line-height: 1.65; flex: 1; margin-bottom: 20px; }
.blog-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--gray-200); padding-top: 14px;
}
.blog-card-meta { font-size: .78rem; color: var(--gray-400); }
.blog-card-cta {
  font-size: .82rem; font-weight: 700; color: var(--teal);
  display: flex; align-items: center; gap: 4px; transition: gap var(--transition);
}
.blog-card:hover .blog-card-cta { gap: 8px; }
.blog-view-all { text-align: center; }

/* ─── POST VIEW (slide-in overlay) ──────────────────────────── */
.post-view {
  position: fixed; inset: 0; background: var(--white); z-index: 150;
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
}
.post-view.open { transform: translateX(0); }
.post-nav {
  flex-shrink: 0; background: rgba(255,255,255,.97);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--gray-200);
  padding: 12px 0; z-index: 10;
}
.post-scroll-body { flex: 1; overflow-y: auto; }
.post-nav-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.post-back-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .9rem; font-weight: 600; color: var(--teal);
  padding: 8px 16px; border-radius: var(--radius-sm);
  background: rgba(26,138,124,.08); transition: all var(--transition);
}
.post-back-btn:hover { background: rgba(26,138,124,.16); }
.post-share-btn {
  font-size: .88rem; font-weight: 600; color: var(--gray-600);
  display: flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: var(--radius-sm); border: 1px solid var(--gray-200);
  transition: all var(--transition);
}
.post-share-btn:hover { border-color: var(--teal); color: var(--teal); }

/* Post content area */
.post-article { max-width: 760px; margin: 0 auto; padding: 48px 24px 80px; }
.post-hero-img {
  width: 100%; max-height: 420px; object-fit: cover;
  border-radius: var(--radius-lg); margin-bottom: 36px;
  box-shadow: var(--shadow-md);
}
.post-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.post-tag {
  font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: var(--teal); background: rgba(26,138,124,.10); padding: 4px 12px; border-radius: 100px;
}
.post-title {
  font-family: var(--font-serif); font-size: clamp(1.7rem, 4vw, 2.5rem);
  color: var(--navy); line-height: 1.25; margin-bottom: 16px;
}
.post-meta {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  color: var(--gray-400); font-size: .85rem; margin-bottom: 40px;
  padding-bottom: 32px; border-bottom: 1px solid var(--gray-200);
}
.post-meta-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--gray-400); }

/* Post blocks */
.post-blocks { display: flex; flex-direction: column; gap: 28px; }

.block-text { color: var(--gray-800); font-size: 1.05rem; line-height: 1.8; }
.block-text h2 {
  font-family: var(--font-serif); font-size: 1.5rem; color: var(--navy);
  margin: 36px 0 16px; line-height: 1.3;
}
.block-text h3 { font-family: var(--font-serif); font-size: 1.15rem; color: var(--navy); margin: 24px 0 10px; }
.block-text p { margin-bottom: 16px; }
.block-text ul, .block-text ol { padding-left: 22px; margin-bottom: 16px; }
.block-text li { margin-bottom: 10px; }
.block-text strong { color: var(--navy); }
.block-text em { color: var(--teal); }
.block-text a { color: var(--teal); text-decoration: underline; }

.block-callout {
  background: rgba(26,138,124,.08); border-left: 4px solid var(--teal);
  border-radius: 0 var(--radius-md) var(--radius-md) 0; padding: 20px 24px;
  color: var(--gray-800); font-size: 1rem; line-height: 1.7;
}
.block-callout strong { color: var(--navy); }

.block-image { text-align: center; }
.block-image img {
  width: 100%; border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm); max-height: 480px; object-fit: cover;
}
.block-image figcaption { font-size: .82rem; color: var(--gray-400); margin-top: 10px; }

.block-youtube { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); }
.block-youtube-wrapper { position: relative; padding-bottom: 56.25%; height: 0; }
.block-youtube-wrapper iframe {
  position: absolute; inset: 0; width: 100%; height: 100%; border: none;
}

.block-link {
  display: flex; align-items: flex-start; gap: 16px; padding: 20px 24px;
  background: var(--navy); color: var(--white); border-radius: var(--radius-md);
  text-decoration: none; transition: all var(--transition);
}
.block-link:hover { background: var(--navy-mid); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.block-link-icon {
  width: 42px; height: 42px; border-radius: var(--radius-sm);
  background: var(--teal); display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 1.1rem;
}
.block-link-text { font-weight: 700; color: var(--white); margin-bottom: 4px; font-size: 1rem; }
.block-link-desc { font-size: .85rem; color: rgba(255,255,255,.65); line-height: 1.5; }

/* Blog responsive */
@media (max-width: 1024px) { .blog-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) {
  .blog-grid { grid-template-columns: 1fr; }
  .post-article { padding: 28px 16px 60px; }
}

/* ─── FLASHCARD PREVIEW SECTION ──────────────────────────────── */
.flashcards-preview { padding: var(--section-py) 0; background: var(--navy); }
.flashcards-preview .section-tag { background: rgba(255,255,255,0.1); color: var(--gold); }
.flashcards-preview h2,
.flashcards-preview p { color: var(--white); }
.flashcards-preview .blog-view-all { margin-top: 40px; }

.fc-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.fc-preview-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  color: var(--white);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  text-decoration: none;
  display: block;
}
.fc-preview-card:hover { background: rgba(255,255,255,0.13); transform: translateY(-2px); }
.fc-preview-card-tag { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold); margin-bottom: 8px; }
.fc-preview-card-title { font-family: var(--font-serif); font-size: 1.15rem; margin-bottom: 8px; }
.fc-preview-card-meta { font-size: 0.8rem; color: rgba(255,255,255,0.5); }

@media (max-width: 1024px) { .fc-preview-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px)  { .fc-preview-grid { grid-template-columns: 1fr; } }

/* ─── GOOGLE FONTS IMPORT (add to <head> in HTML) ────────────── */
/* @import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Playfair+Display:wght@700&display=swap'); */