/* ============ Reset & Base ============ */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --teal-dark: #063a4a;
  --teal-deep: #0a4f63;
  --teal-mid: #0f7d92;
  --teal-bright: #17b6c9;
  --teal-light: #6fe0ea;
  --coral: #ff5a63;
  --coral-dark: #e6414b;
  --gold: #f5a623;
  --gold-dark: #c97f00;
  --violet: #8b6cf5;
  --violet-dark: #5b3fc9;
  --ink: #0c2530;
  --ink-soft: #3a5560;
  --paper: #ffffff;
  --paper-soft: #f4fbfc;
  --border-soft: #e1eef0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-md: 0 10px 30px rgba(6, 58, 74, 0.12);
  --shadow-lg: 0 20px 50px rgba(6, 58, 74, 0.18);
  --font-en: "Poppins", "Noto Sans Devanagari", sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-en);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  overflow-x: hidden;
}

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

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ Language toggle logic ============ */
[data-lang="hi"] { display: none; }
html.lang-hi [data-lang="en"] { display: none; }
html.lang-hi [data-lang="hi"] { display: inline; }

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 999px;
  padding: 6px 12px;
  color: var(--ink);
  font-weight: 600;
  font-size: 13px;
}
.site-header .lang-toggle { color: var(--paper); border-color: rgba(255,255,255,0.4); }
.lang-toggle .lang-opt { opacity: 0.5; transition: opacity .2s; }
.lang-toggle .lang-sep { opacity: 0.4; }
html:not(.lang-hi) .lang-toggle .lang-en { opacity: 1; }
html.lang-hi .lang-toggle .lang-hi { opacity: 1; }

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .15s ease, box-shadow .15s ease, background .2s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--coral), var(--coral-dark));
  color: #fff;
  box-shadow: 0 8px 20px rgba(230, 65, 75, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(230, 65, 75, 0.45); }
.btn-ghost {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.55);
}
.btn-ghost:hover { background: rgba(255,255,255,0.2); }
.btn-sm { padding: 9px 18px; font-size: 13px; }
.btn-lg { padding: 15px 28px; font-size: 15.5px; }
.btn-block { width: 100%; padding: 15px; font-size: 15px; margin-top: 8px; }

/* ============ Scheme banner ============ */
.scheme-banner {
  background: linear-gradient(90deg, var(--coral), var(--coral-dark));
  color: #fff;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 8px 16px;
}

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 58, 74, 0.92);
  backdrop-filter: blur(10px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-badge {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  flex-shrink: 0;
  object-fit: contain;
}
.brand-badge.small { width: 32px; height: 32px; border-radius: 8px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name { color: #fff; font-weight: 700; font-size: 16px; }
.brand-tagline { color: var(--teal-light); font-size: 11px; font-weight: 500; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  color: rgba(255,255,255,0.85);
  font-size: 14.5px;
  font-weight: 500;
  transition: color .15s;
}
.main-nav a:hover { color: #fff; }

.header-actions { display: flex; align-items: center; gap: 14px; }
.header-phone {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  font-size: 13.5px;
  font-weight: 600;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
}
.menu-toggle span {
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
}

/* ============ Hero ============ */
.hero {
  position: relative;
  background: radial-gradient(120% 130% at 20% -10%, #1fd0e0 0%, var(--teal-mid) 45%, var(--teal-dark) 100%);
  padding: 64px 0 90px;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-clouds {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(255,255,255,0.18) 0, transparent 30%),
    radial-gradient(circle at 80% 10%, rgba(255,255,255,0.12) 0, transparent 25%),
    radial-gradient(circle at 60% 60%, rgba(255,255,255,0.08) 0, transparent 35%);
}
.hero-dots {
  position: absolute;
  right: -5%;
  top: 0;
  width: 55%;
  height: 100%;
  background-image: radial-gradient(rgba(255,255,255,0.35) 1.5px, transparent 1.5px);
  background-size: 26px 26px;
  mask-image: linear-gradient(to left, rgba(0,0,0,0.9), transparent 80%);
  -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.9), transparent 80%);
}
.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 880px;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(6, 58, 74, 0.35);
  border: 1px solid rgba(255,255,255,0.35);
  color: #eafcff;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 26px;
}
.badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #4bffb0;
  box-shadow: 0 0 0 4px rgba(75,255,176,0.25);
}

.hero-title {
  color: #fff;
  font-size: clamp(34px, 6vw, 58px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 18px;
}
.hero-title .accent { color: #ffe1a8; }

.hero-subline {
  color: #eafcff;
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 500;
  margin-bottom: 18px;
}

.hero-desc {
  color: rgba(255,255,255,0.88);
  font-size: 16px;
  max-width: 640px;
  margin: 0 auto 34px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.quick-actions {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  max-width: 1040px;
  margin: 0 auto;
}
.quick-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  text-align: center;
  line-height: 1.3;
  background: rgba(6, 58, 74, 0.55);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  font-weight: 600;
  font-size: 13.5px;
  padding: 16px 14px;
  border-radius: var(--radius-sm);
  transition: transform .15s ease, background .2s ease;
}
.quick-btn:hover { transform: translateY(-3px); background: rgba(6, 58, 74, 0.8); }
.quick-btn.accent-btn { background: linear-gradient(135deg, var(--coral), var(--coral-dark)); border-color: transparent; }
.quick-btn.wide { grid-column: span 5; }
.quick-icon { font-size: 17px; }

/* ============ Explore panel (white card) ============ */
.explore-panel {
  background: linear-gradient(180deg, var(--teal-dark) 0%, var(--teal-dark) 60px, var(--paper) 60px);
  padding-bottom: 0;
}
.explore-card {
  background: var(--paper);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 40px;
  margin-top: -20px;
  position: relative;
  z-index: 2;
}
.explore-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.explore-header h2 { font-size: 22px; font-weight: 700; }
.explore-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.explore-btn {
  background: linear-gradient(135deg, var(--teal-bright), var(--teal-mid));
  color: #fff;
  font-weight: 600;
  font-size: 13.5px;
  text-align: center;
  padding: 16px 12px;
  border-radius: var(--radius-sm);
  transition: transform .15s ease, box-shadow .15s ease;
}
.explore-btn:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(15,125,146,0.3); }

/* ============ Sections general ============ */
.section { padding: 90px 0; }
.section-alt { background: var(--paper-soft); }
.eyebrow {
  color: var(--teal-mid);
  font-weight: 700;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}
.eyebrow.center { text-align: center; }
.section h2 { font-size: clamp(26px, 3.6vw, 36px); font-weight: 800; margin-bottom: 14px; }
.section h2.center, h2.center { text-align: center; }
.section-sub { color: var(--ink-soft); max-width: 620px; margin: 0 auto 50px; font-size: 15.5px; }
.section-sub.center { text-align: center; }
.center { text-align: center; }

/* ============ About ============ */
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  align-items: center;
}
.about-media { position: relative; height: 380px; }
.about-media-shape {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--teal-bright), var(--teal-dark));
  background-image:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.25), transparent 40%),
    linear-gradient(135deg, var(--teal-bright), var(--teal-dark));
}
.about-stat-card {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 20px 26px;
  text-align: center;
}
.about-stat-card strong { display: block; font-size: 28px; color: var(--teal-mid); font-weight: 800; }
.about-stat-card span { font-size: 12.5px; color: var(--ink-soft); font-weight: 600; }

.about-content p { color: var(--ink-soft); margin-bottom: 26px; }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.about-point { display: flex; align-items: center; gap: 12px; }
.point-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--paper-soft);
  border: 1px solid var(--border-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.about-point h4 { font-size: 14px; font-weight: 600; }

/* ============ Our Team (Founder & Faculty) ============ */
.founder-card {
  display: flex;
  align-items: center;
  gap: 40px;
  background: var(--paper);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 40px;
  max-width: 900px;
  margin: 0 auto 60px;
}
.founder-photo-wrap {
  position: relative;
  width: 160px;
  height: 160px;
  flex-shrink: 0;
}
.founder-photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--teal-bright);
}
.founder-avatar-fallback {
  display: none;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 4px solid var(--teal-bright);
  background: linear-gradient(135deg, var(--teal-bright), var(--teal-dark));
  color: #fff;
  font-size: 44px;
  font-weight: 800;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 0;
  left: 0;
}
.founder-title {
  color: var(--coral-dark);
  font-weight: 700;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.founder-name { font-size: 24px; font-weight: 800; margin-bottom: 14px; }
.founder-bio { color: var(--ink-soft); font-size: 14.5px; }

.faculty-heading {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 30px;
}
.faculty-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.faculty-card {
  text-align: center;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 24px 14px;
  background: var(--paper);
}
.faculty-photo-wrap { position: relative; width: 76px; height: 76px; margin: 0 auto 14px; }
.faculty-photo { width: 76px; height: 76px; border-radius: 50%; object-fit: cover; }
.faculty-avatar-fallback {
  display: none;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: var(--paper-soft);
  border: 1px solid var(--border-soft);
  font-size: 30px;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 0;
  left: 0;
}
.faculty-card h4 { font-size: 14.5px; font-weight: 700; margin-bottom: 4px; }
.faculty-subject { font-size: 12.5px; color: var(--ink-soft); font-weight: 600; }

/* ============ Courses ============ */
.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.course-card {
  background: var(--paper);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.course-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.course-icon { font-size: 30px; margin-bottom: 14px; }
.course-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.course-meta { color: var(--teal-mid); font-weight: 600; font-size: 12.5px; margin-bottom: 12px; }
.course-card p:not(.course-meta) { color: var(--ink-soft); font-size: 14px; margin-bottom: 16px; }
.course-link { color: var(--coral-dark); font-weight: 700; font-size: 13.5px; }

.course-grid-highlights {
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  max-width: 760px;
  margin: 50px auto 0;
}

/* ============ Programs tables ============ */
.programs-tables {
  display: flex;
  flex-direction: column;
  gap: 44px;
  margin-bottom: 20px;
}
.table-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 16px;
}
.table-icon { font-size: 22px; }
.table-heading.school { color: var(--teal-dark); }
.table-heading.professional { color: var(--coral-dark); }
.table-heading.competitive { color: var(--gold-dark); }
.table-heading.computer { color: var(--violet-dark); }

.table-scroll {
  overflow-x: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  -webkit-overflow-scrolling: touch;
}
.program-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  background: var(--paper);
}
.program-table th {
  text-align: left;
  padding: 15px 20px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: #fff;
  white-space: nowrap;
}
.program-table td {
  padding: 15px 20px;
  font-size: 13.5px;
  color: var(--ink);
  border-bottom: 1px solid var(--border-soft);
  vertical-align: top;
}
.program-table tbody tr:last-child td { border-bottom: none; }
.program-table tbody tr:nth-child(even) { background: var(--paper-soft); }
.program-table td:first-child { font-weight: 700; white-space: nowrap; }
.program-table td:nth-child(2) { color: var(--ink-soft); white-space: nowrap; }

.school-table thead tr { background: linear-gradient(135deg, var(--teal-bright), var(--teal-mid)); }
.professional-table thead tr { background: linear-gradient(135deg, var(--coral), var(--coral-dark)); }
.competitive-table thead tr { background: linear-gradient(135deg, var(--gold), var(--gold-dark)); }
.computer-table thead tr { background: linear-gradient(135deg, var(--violet), var(--violet-dark)); }

/* ============ Results ============ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 40px 0 50px;
}
.stat-box {
  text-align: center;
  background: var(--paper-soft);
  border-radius: var(--radius-md);
  padding: 26px 12px;
}
.stat-box strong { display: block; font-size: 30px; font-weight: 800; color: var(--teal-mid); margin-bottom: 4px; }
.stat-box span { font-size: 13px; color: var(--ink-soft); font-weight: 600; }

.topper-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.topper-card {
  text-align: center;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 24px 14px;
}
.topper-photo-wrap { position: relative; width: 60px; height: 60px; margin: 0 auto 12px; }
.topper-photo { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; }
.topper-avatar {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal-bright), var(--teal-mid));
  color: #fff;
  font-weight: 700;
  display: none;
  align-items: center; justify-content: center;
  font-size: 18px;
  position: absolute;
  top: 0;
  left: 0;
}
.topper-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.topper-score { color: var(--ink-soft); font-size: 13px; font-weight: 600; }
.placeholder-note { text-align: center; color: var(--ink-soft); font-size: 12.5px; margin-top: 24px; font-style: italic; }

/* ============ Testimonials ============ */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--paper);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 26px;
}
.testimonial-card p { color: var(--ink-soft); font-size: 14.5px; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--teal-dark);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}
.testimonial-author strong { display: block; font-size: 13.5px; }
.testimonial-author span { font-size: 12px; color: var(--ink-soft); }

/* ============ Contact ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: flex-start;
}
.contact-info p { color: var(--ink-soft); margin-bottom: 28px; }
.contact-detail { display: flex; gap: 14px; margin-bottom: 20px; }
.contact-icon { font-size: 20px; }
.contact-detail h4 { font-size: 14px; font-weight: 700; margin-bottom: 2px; }
.contact-detail p, .contact-detail a { font-size: 14px; color: var(--ink-soft); }
.contact-detail a:hover { color: var(--teal-mid); }

.whatsapp-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #25d366;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 13px 22px;
  border-radius: 999px;
  margin-bottom: 30px;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.35);
  transition: transform .15s ease, box-shadow .15s ease;
}
.whatsapp-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(37, 211, 102, 0.45); }

.app-download { margin-top: 30px; }
.app-label { font-size: 13px; font-weight: 600; color: var(--ink-soft); margin-bottom: 10px; }
.app-buttons { display: flex; gap: 10px; }
.app-btn {
  background: var(--teal-dark);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  opacity: 0.85;
}

.contact-form {
  background: var(--paper-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 34px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-note { font-size: 12px; color: var(--ink-soft); font-style: italic; margin-bottom: 4px; }
.hp-field {
  display: none;
}
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--teal-bright);
}
.form-success {
  text-align: center;
  color: var(--teal-mid);
  font-weight: 600;
  font-size: 13.5px;
  background: #eafcfc;
  border-radius: var(--radius-sm);
  padding: 12px;
}

/* ============ Footer ============ */
.site-footer {
  background: var(--teal-dark);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand { margin-bottom: 14px; }
.footer-grid p { font-size: 13.5px; line-height: 1.7; }
.footer-grid h5 { color: #fff; font-size: 14px; margin-bottom: 16px; }
.footer-grid > div > a { display: block; font-size: 13.5px; margin-bottom: 10px; transition: color .15s; }
.footer-grid > div > a:hover { color: #fff; }
.footer-bottom { text-align: center; padding: 22px 24px; font-size: 12.5px; }

/* ============ Floating action buttons ============ */
.floating-actions {
  position: fixed;
  bottom: 26px;
  right: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 90;
}
.floating-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.floating-call {
  background: linear-gradient(135deg, var(--coral), var(--coral-dark));
  box-shadow: 0 10px 26px rgba(230,65,75,0.45);
  animation: pulse 2.4s infinite;
}
.floating-whatsapp {
  background: #25d366;
  box-shadow: 0 10px 26px rgba(37,211,102,0.45);
  animation: pulse-whatsapp 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(230,65,75,0.45); }
  70% { box-shadow: 0 0 0 14px rgba(230,65,75,0); }
  100% { box-shadow: 0 0 0 0 rgba(230,65,75,0); }
}
@keyframes pulse-whatsapp {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.45); }
  70% { box-shadow: 0 0 0 14px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* ============ Responsive ============ */
@media (max-width: 980px) {
  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .header-phone { display: none; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-media { height: 260px; margin-bottom: 40px; }
  .course-grid, .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .quick-actions { grid-template-columns: repeat(2, 1fr); }
  .quick-btn.wide { grid-column: span 2; }
  .explore-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row, .topper-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .founder-card { flex-direction: column; text-align: center; padding: 32px; }
  .faculty-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .header-inner { padding: 12px 16px; }
  .hero { padding: 44px 0 70px; }
  .hero-ctas { flex-direction: column; width: 100%; }
  .hero-ctas .btn { width: 100%; }
  .quick-actions { grid-template-columns: 1fr 1fr; }
  .explore-card { padding: 24px; }
  .explore-grid { grid-template-columns: 1fr; }
  .course-grid, .testimonial-grid, .course-grid-highlights { grid-template-columns: 1fr; }
  .stats-row, .topper-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .about-points { grid-template-columns: 1fr; }
}

/* ============ Mobile nav drawer ============ */
.main-nav.open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--teal-dark);
  padding: 20px 24px;
  gap: 18px;
  box-shadow: var(--shadow-md);
}