/* ============================================================
   VERBLISH — Global Stylesheet
   Brand Colors: Green #3CB87A | Blue #4AAED9
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,400&display=swap');

/* ── CSS Variables ── */
:root {
  --green:       #3CB87A;
  --green-dark:  #2a9a62;
  --green-light: #d4f5e4;
  --blue:        #4AAED9;
  --blue-dark:   #3090bc;
  --blue-light:  #daf1fb;
  --white:       #ffffff;
  --off-white:   #f7fdfb;
  --gray-100:    #f2f4f6;
  --gray-200:    #e4e8ec;
  --gray-400:    #9aa5b1;
  --gray-700:    #3d4a56;
  --dark:        #111d27;

  --font-display: 'Sora', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-lg:  28px;
  --radius-xl:  48px;

  --shadow-card: 0 4px 24px rgba(60,184,122,0.10);
  --shadow-lift: 0 12px 40px rgba(60,184,122,0.18);
  --transition:  all 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Typography ── */
h1,h2,h3,h4,h5 { font-family: var(--font-display); line-height: 1.2; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem);   font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem);   font-weight: 600; }

/* ── Layout Utilities ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 96px 0; }
.flex       { display: flex; }
.flex-col   { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8  { gap: 8px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }
.gap-48 { gap: 48px; }
.text-center { text-align: center; }
.grid { display: grid; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-xl);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(60,184,122,0.35);
}
.btn-primary:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(60,184,122,0.45);
}
.btn-secondary {
  background: var(--white);
  color: var(--green);
  border: 2px solid var(--green);
}
.btn-secondary:hover {
  background: var(--green-light);
  transform: translateY(-2px);
}
.btn-blue {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(74,174,217,0.35);
}
.btn-blue:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
}
.btn-lg { padding: 18px 40px; font-size: 1.05rem; }

/* ── Pill / Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.badge-green { background: var(--green-light); color: var(--green-dark); }
.badge-blue  { background: var(--blue-light);  color: var(--blue-dark);  }

/* ── Section Title Block ── */
.section-label {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}
.section-title { margin-bottom: 16px; }
.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-400);
  max-width: 560px;
}

/* ── Card Base ── */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
}

/* ── ==============================
       NAVBAR
   ============================== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: var(--transition);
  padding: 20px 0;
}
#navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  padding: 14px 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo img {
  height: 38px;
  width: auto;
}
.nav-logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--green);
  letter-spacing: -0.5px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--gray-700);
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--green);
  transition: var(--transition);
  border-radius: 2px;
}
.nav-links a:hover { color: var(--green); }
.nav-links a:hover::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-signin {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray-700);
  transition: var(--transition);
}
.nav-signin:hover { color: var(--green); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--white);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--dark);
  transition: var(--transition);
}
.mobile-nav a:hover { color: var(--green); }
.mobile-close {
  position: absolute;
  top: 24px; right: 24px;
  font-size: 2rem;
  color: var(--gray-400);
  cursor: pointer;
}

/* ── ==============================
       HERO SECTION
   ============================== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--off-white);
  padding-top: 100px;
}
.hero-bg-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-bg-1 {
  width: 600px; height: 600px;
  background: rgba(60,184,122,0.12);
  top: -100px; right: -100px;
}
.hero-bg-2 {
  width: 400px; height: 400px;
  background: rgba(74,174,217,0.10);
  bottom: 0; left: -80px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green-light);
  color: var(--green-dark);
  padding: 8px 18px;
  border-radius: 99px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}
.hero-eyebrow .dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.4); opacity: 0.6; }
}
.hero-title {
  margin-bottom: 24px;
  color: var(--dark);
}
.hero-title .highlight {
  color: var(--green);
  position: relative;
}
.hero-title .highlight-blue { color: var(--blue); }
.hero-subtitle {
  font-size: 1.15rem;
  color: var(--gray-400);
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--gray-200);
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--green);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.85rem;
  color: var(--gray-400);
  margin-top: 4px;
}

/* Hero Visual */
.hero-visual {
  position: relative;
}
.hero-card-main {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lift);
  position: relative;
  z-index: 2;
}
.teacher-profile-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.teacher-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  object-fit: cover;
  background: linear-gradient(135deg, var(--green), var(--blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--white);
  flex-shrink: 0;
}
.teacher-info h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--dark);
}
.teacher-info span {
  font-size: 0.82rem;
  color: var(--gray-400);
}
.star-row { display: flex; gap: 3px; margin-bottom: 12px; }
.star { color: #f59e0b; font-size: 1rem; }
.lesson-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--green-light);
  color: var(--green-dark);
  margin: 3px;
}
.lesson-tag.blue { background: var(--blue-light); color: var(--blue-dark); }
.hero-card-float {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  z-index: 3;
}
.float-1 { top: -24px; right: -24px; }
.float-2 { bottom: -20px; left: -24px; }
.float-content {
  display: flex;
  align-items: center;
  gap: 10px;
}
.float-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.float-icon.green { background: var(--green-light); }
.float-icon.blue  { background: var(--blue-light); }
.float-text-main {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--dark);
}
.float-text-sub {
  font-size: 0.75rem;
  color: var(--gray-400);
}

/* ── ==============================
       HOW IT WORKS
   ============================== */
#how-it-works { background: var(--white); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
}
.step-card {
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  background: var(--off-white);
  border: 2px solid transparent;
  transition: var(--transition);
  position: relative;
}
.step-card:hover {
  border-color: var(--green);
  background: var(--white);
  box-shadow: var(--shadow-card);
}
.step-number {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  width: 28px; height: 28px;
  background: var(--green);
  color: var(--white);
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--green-light), var(--blue-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 20px;
}
.step-card h3 { margin-bottom: 10px; }
.step-card p  { font-size: 0.9rem; color: var(--gray-400); line-height: 1.6; }

/* ── ==============================
       LANGUAGES
   ============================== */
#languages {
  background: var(--off-white);
}
.lang-track-wrapper {
  overflow: hidden;
  margin-top: 48px;
  position: relative;
}
.lang-track-wrapper::before,
.lang-track-wrapper::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}
.lang-track-wrapper::before { left: 0;  background: linear-gradient(to right, var(--off-white), transparent); }
.lang-track-wrapper::after  { right: 0; background: linear-gradient(to left, var(--off-white), transparent); }
.lang-track {
  display: flex;
  gap: 16px;
  animation: slide 30s linear infinite;
  width: max-content;
}
.lang-track:hover { animation-play-state: paused; }
@keyframes slide {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.lang-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 12px 20px;
  white-space: nowrap;
  transition: var(--transition);
  cursor: default;
}
.lang-pill:hover { border-color: var(--green); box-shadow: var(--shadow-card); }
.lang-pill .flag { font-size: 1.4rem; }
.lang-pill .name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--dark);
}
.lang-pill .count {
  font-size: 0.75rem;
  color: var(--gray-400);
}

/* ── ==============================
       TEACHERS
   ============================== */
#teachers { background: var(--white); }
.teachers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 60px;
}
.teacher-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid var(--gray-200);
  transition: var(--transition);
}
.teacher-card:hover { border-color: var(--green); transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.teacher-card-top {
  background: linear-gradient(135deg, var(--green-light) 0%, var(--blue-light) 100%);
  padding: 32px;
  text-align: center;
}
.teacher-ava {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--white);
  margin: 0 auto 12px;
  box-shadow: 0 4px 16px rgba(60,184,122,0.30);
}
.teacher-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--dark);
}
.teacher-country { font-size: 0.82rem; color: var(--gray-400); }
.teacher-card-body { padding: 20px 24px; }
.teacher-langs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.t-lang {
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--green-light);
  color: var(--green-dark);
}
.teacher-rate {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.price {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--green);
}
.price span { font-size: 0.75rem; font-weight: 400; color: var(--gray-400); }
.teacher-stars { display: flex; align-items: center; gap: 4px; font-size: 0.82rem; color: var(--gray-400); }
.teacher-stars .star { color: #f59e0b; }

/* ── ==============================
       FEATURES / WHY VERBLISH
   ============================== */
#features {
  background: var(--dark);
  color: var(--white);
}
#features .section-label { color: var(--green); }
#features .section-title { color: var(--white); }
#features .section-subtitle { color: var(--gray-400); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}
.feature-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
}
.feature-card:hover {
  background: rgba(60,184,122,0.08);
  border-color: rgba(60,184,122,0.3);
  transform: translateY(-4px);
}
.feature-icon {
  width: 54px; height: 54px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--green), var(--blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}
.feature-card h3 { color: var(--white); margin-bottom: 10px; }
.feature-card p  { color: var(--gray-400); font-size: 0.92rem; line-height: 1.7; }

/* ── ==============================
       TESTIMONIALS
   ============================== */
#testimonials { background: var(--off-white); }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.quote-mark {
  font-size: 3rem;
  line-height: 1;
  color: var(--green-light);
  font-family: Georgia, serif;
  margin-bottom: 16px;
}
.testimonial-card p {
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 20px;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.t-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--white);
}
.t-author-name { font-family: var(--font-display); font-weight: 600; font-size: 0.95rem; }
.t-author-sub  { font-size: 0.78rem; color: var(--gray-400); }

/* ── ==============================
       CTA BANNER
   ============================== */
#cta {
  background: linear-gradient(135deg, var(--green) 0%, var(--blue) 100%);
  padding: 100px 0;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
#cta::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='%23ffffff' fill-opacity='0.05'%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");
}
#cta h2 { font-size: clamp(2rem, 4vw, 3.2rem); margin-bottom: 16px; position: relative; }
#cta p  { font-size: 1.1rem; opacity: 0.85; margin-bottom: 40px; position: relative; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; position: relative; }
.btn-white {
  background: var(--white);
  color: var(--green);
  font-weight: 700;
}
.btn-white:hover {
  background: var(--off-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.15);
}
.btn-outline-white {
  border: 2px solid rgba(255,255,255,0.6);
  color: var(--white);
  background: transparent;
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
}

/* ── ==============================
       FOOTER
   ============================== */
footer {
  background: var(--dark);
  color: var(--white);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand p {
  font-size: 0.9rem;
  color: var(--gray-400);
  line-height: 1.7;
  margin: 16px 0 24px;
  max-width: 300px;
}
.footer-logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--green);
}
.footer-social { display: flex; gap: 10px; }
.social-btn {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
  color: var(--white);
  text-decoration: none;
}
.social-btn:hover { background: var(--green); }
.footer-col h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--gray-400);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--green); }
.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-bottom p { font-size: 0.82rem; color: var(--gray-400); }
.footer-bottom a { color: var(--green); }

/* ── ==============================
       SINGLE TEACHER CARD
   ============================== */
.single-teacher-wrap {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 56px;
  align-items: start;
  background: var(--white);
  border-radius: 32px;
  box-shadow: 0 8px 48px rgba(60,184,122,0.12);
  overflow: hidden;
  border: 2px solid var(--gray-200);
  max-width: 960px;
  margin: 0 auto;
}

/* ── Media Panel ── */
.teacher-media-panel {
  position: relative;
  height: 500px;
  overflow: hidden;
  cursor: pointer;
  background: linear-gradient(135deg, var(--green-light), var(--blue-light));
}

/* Photo */
.teacher-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.5s ease;
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* Photo placeholder (fallback) */
.teacher-photo-placeholder {
  width: 100%;
  height: 100%;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(135deg, var(--green), var(--blue));
  position: absolute;
  inset: 0;
  z-index: 1;
}
.teacher-photo-placeholder span {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 5rem;
  color: rgba(255,255,255,0.9);
  line-height: 1;
}
.teacher-photo-placeholder small {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.65);
  text-align: center;
  line-height: 1.5;
}

/* Video overlay — hidden by default, shown on hover */
.teacher-video-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.5s ease;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.teacher-media-panel:hover .teacher-video-overlay {
  opacity: 1;
}
.teacher-media-panel:hover .teacher-photo {
  opacity: 0;
}
.teacher-media-panel:hover .hover-hint {
  opacity: 0;
  transform: translateY(10px);
}

/* Actual video element */
.teacher-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: absolute;
  inset: 0;
}

/* Video placeholder (shown when .mp4 not yet added) */
.video-placeholder {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: rgba(255,255,255,0.85);
  text-align: center;
  padding: 24px;
}
.video-play-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: 2px solid rgba(255,255,255,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 4px;
}
.video-placeholder p  { font-family: var(--font-display); font-weight: 600; font-size: 1rem; }
.video-placeholder small { font-size: 0.75rem; opacity: 0.6; line-height: 1.5; }

/* "● Intro Video" badge */
.video-badge {
  position: absolute;
  top: 16px; left: 16px;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(6px);
  color: #fff;
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 3;
}
.rec-dot {
  width: 7px; height: 7px;
  background: #ef4444;
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

/* Hover hint chip */
.hover-hint {
  position: absolute;
  bottom: 56px; left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(6px);
  color: #fff;
  padding: 8px 18px;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  z-index: 3;
  transition: opacity 0.4s ease, transform 0.4s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Egypt flag badge */
.teacher-flag-badge {
  position: absolute;
  bottom: 16px; left: 16px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(6px);
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--dark);
  z-index: 3;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
}

/* ── Info Panel ── */
.teacher-info-panel {
  padding: 44px 44px 44px 0;
}

/* Quick stats row */
.teacher-quick-stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--off-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--gray-200);
}
.tq-stat {
  flex: 1;
  padding: 18px 20px;
  text-align: center;
}
.tq-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--green);
  line-height: 1;
}
.tq-label {
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-top: 4px;
}
.tq-divider {
  width: 1px;
  height: 48px;
  background: var(--gray-200);
}

/* Responsive — single teacher */
@media (max-width: 860px) {
  .single-teacher-wrap {
    grid-template-columns: 1fr;
  }
  .teacher-media-panel {
    height: 340px;
  }
  .teacher-info-panel {
    padding: 32px;
  }
}

/* ── ==============================
       ANIMATIONS
   ============================== */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }
.fade-up:nth-child(5) { transition-delay: 0.4s; }
.fade-up:nth-child(6) { transition-delay: 0.5s; }

/* ── ==============================
       RESPONSIVE
   ============================== */
@media (max-width: 1024px) {
  .steps-grid      { grid-template-columns: repeat(2, 1fr); }
  .teachers-grid   { grid-template-columns: repeat(2, 1fr); }
  .features-grid   { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-actions .btn { display: none; }
  .hamburger { display: flex; }

  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }

  .steps-grid       { grid-template-columns: 1fr; }
  .teachers-grid    { grid-template-columns: 1fr; }
  .features-grid    { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid      { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}