/* =========================================================
   PaniniX Labs - Stylesheet
   Mobile-first. Breakpoints: 375 / 768 / 1280
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  --green: #4A7C00;
  --green-dark: #3A6300;
  --green-light: #EAF3DE;
  --navy: #0F1F4B;
  --white: #FFFFFF;
  --amber: #B45309;
  --amber-bg: #FFFBEB;
  --red-bg: #FEF2F2;
  --red-text: #DC2626;
  --grey-50: #F9FAFB;
  --grey-100: #F3F4F6;
  --grey-200: #E5E7EB;
  --grey-300: #D1D5DB;
  --grey-500: #6B7280;
  --grey-700: #374151;
  --whatsapp: #25D366;

  --body-font: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --heading-font: Georgia, 'Times New Roman', serif;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(15, 31, 75, 0.10);
  --shadow-lg: 0 12px 36px rgba(15, 31, 75, 0.16);

  --container: 1200px;
  --nav-h: 72px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body-font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--grey-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--green); text-decoration: none; }
a:hover { color: var(--green-dark); }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--heading-font);
  color: var(--navy);
  line-height: 1.25;
  margin: 0 0 16px;
}
h1 { font-size: 36px; }
h2 { font-size: 28px; }
h3 { font-size: 22px; }
h4 { font-size: 18px; }
p  { margin: 0 0 16px; }

@media (min-width: 768px) {
  h1 { font-size: 48px; }
  h2 { font-size: 36px; }
  h3 { font-size: 24px; }
}
@media (min-width: 1280px) {
  h1 { font-size: 56px; }
}

.eyebrow {
  font-family: var(--body-font);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 13px;
  font-weight: 600;
  color: var(--green);
  margin: 0 0 12px;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}
section { padding: 64px 0; }
@media (min-width: 768px) { section { padding: 96px 0; } }

.section-head { max-width: 760px; margin-bottom: 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 24px;
  font-family: var(--body-font);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  color: var(--white);
  transform: translateY(-1px);
}
.btn-secondary {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}
.btn-secondary:hover {
  background: var(--green);
  color: var(--white);
}
.btn-white {
  background: var(--white);
  color: var(--green);
  border-color: var(--white);
}
.btn-white:hover { background: var(--green-light); color: var(--green-dark); }
.btn-white-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-white-outline:hover { background: var(--white); color: var(--green); }
.btn-block { width: 100%; }

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--white);
  z-index: 100;
  transition: box-shadow 0.2s ease;
}
.nav.scrolled { box-shadow: 0 2px 12px rgba(15,31,75,0.08); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
}
.logo { display: flex; flex-direction: column; line-height: 1.1; }
.logo-mark {
  font-family: var(--heading-font);
  font-weight: 700;
  font-size: 22px;
  color: var(--navy);
}
.logo-tag {
  font-size: 12px;
  color: var(--green);
  letter-spacing: 0.5px;
  font-weight: 500;
}
.nav-links {
  display: none;
  list-style: none;
  margin: 0; padding: 0;
  gap: 32px;
}
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--navy);
  padding: 6px 0;
  position: relative;
}
.nav-links a:hover { color: var(--green); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 2px;
  background: var(--green);
}
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  gap: 6px;
  width: 44px; height: 44px;
  background: transparent;
  border: 0;
  padding: 10px 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background: #0F1F4B;
  border-radius: 3px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

.nav-drawer {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--white);
  border-top: 1px solid var(--grey-200);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  z-index: 99;
}
.nav-drawer.open {
  max-height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  box-shadow: 0 8px 24px rgba(15,31,75,0.10);
}
.nav-drawer ul {
  list-style: none;
  margin: 0; padding: 16px 20px;
  display: flex; flex-direction: column; gap: 4px;
}
.nav-drawer a {
  display: block;
  padding: 12px 8px;
  font-size: 16px;
  color: var(--navy);
  font-weight: 500;
  border-radius: var(--radius-sm);
}
.nav-drawer a.active { color: var(--green); background: var(--green-light); }

@media (min-width: 768px) {
  .nav-links { display: flex; }
  .nav-toggle { display: none; }
  .nav-drawer { display: none; }
}

/* push content below fixed nav */
main { padding-top: var(--nav-h); }

/* ---------- Hero (home) ---------- */
.hero {
  display: grid;
  grid-template-columns: 1fr;
}
.hero-left {
  background: var(--green);
  color: var(--white);
  padding: 64px 24px;
}
.hero-left h1 { color: var(--white); font-size: 36px; }
.hero-sub {
  font-family: var(--heading-font);
  font-size: 22px;
  margin: 0 0 20px;
  font-style: italic;
  opacity: 0.95;
}
.hero-body { font-size: 18px; max-width: 520px; margin-bottom: 28px; opacity: 0.95; }
.hero-cta { display: flex; flex-direction: column; gap: 16px; max-width: 320px; }

.hero-right {
  background: var(--white);
  padding: 48px 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  justify-content: center;
}
.quote-card {
  padding: 24px 24px 24px 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.quote-card.green {
  background: var(--green-light);
  border-left: 5px solid var(--green);
}
.quote-card.navy {
  background: #F4F6FB;
  border-left: 5px solid var(--navy);
}
.quote-text {
  font-family: var(--heading-font);
  font-style: italic;
  font-size: 18px;
  color: var(--navy);
  line-height: 1.5;
  margin: 0 0 12px;
}
.quote-author {
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--grey-500);
  font-weight: 600;
}

@media (min-width: 768px) {
  .hero { grid-template-columns: 1fr 1fr; }
  .hero-left { padding: 96px 56px; }
  .hero-left h1 { font-size: 48px; }
  .hero-sub { font-size: 24px; }
  .hero-right { padding: 96px 56px; }
  .hero-cta { flex-direction: row; max-width: none; }
}
@media (min-width: 1280px) {
  .hero-left h1 { font-size: 56px; }
}

/* ---------- Credential strip ---------- */
.cred-strip {
  background: var(--grey-50);
  border-top: 1px solid var(--grey-200);
  border-bottom: 1px solid var(--grey-200);
  padding: 16px 0;
  font-size: 14px;
  color: var(--grey-700);
}
.cred-strip-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.cred-strip span { display: inline-flex; align-items: center; }
.cred-strip .sep { color: var(--grey-300); }

/* ---------- Page header (sub-pages) ---------- */
.page-header {
  background: var(--green);
  color: var(--white);
  padding: 80px 0;
  text-align: left;
}
.page-header h1 { color: var(--white); }
.page-header p { font-size: 18px; max-width: 760px; opacity: 0.95; }

/* ---------- Cards (generic) ---------- */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* ---------- Problem section ---------- */
.problem .stat-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 32px 0 48px;
}
.stat-card {
  background: var(--red-bg);
  border-radius: var(--radius);
  padding: 28px;
  text-align: left;
}
.stat-num {
  font-family: var(--heading-font);
  color: var(--red-text);
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 12px;
}
.stat-label { font-size: 16px; color: var(--grey-700); margin: 0 0 4px; font-weight: 500; }
.stat-source { font-size: 13px; color: var(--grey-500); margin: 0; }

@media (min-width: 768px) {
  .problem .stat-cards { grid-template-columns: repeat(3, 1fr); }
}

.compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 24px;
}
.compare-col {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--white);
}
.compare-head {
  padding: 16px 20px;
  color: var(--white);
  font-family: var(--heading-font);
  font-size: 18px;
  font-weight: 700;
}
.compare-col.bad .compare-head { background: var(--red-text); }
.compare-col.good .compare-head { background: var(--green); }
.compare-body { padding: 20px 24px; }
.compare-body ul { margin: 0; padding-left: 20px; }
.compare-body li { margin-bottom: 10px; }
@media (min-width: 768px) {
  .compare { grid-template-columns: 1fr 1fr; }
}

/* ---------- Global Race ---------- */
.race { background: var(--green-light); }
.race-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.race-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  border-top: 5px solid var(--green);
  box-shadow: var(--shadow);
}
.race-card.usa { border-top-color: var(--navy); }
.race-card.india {
  background: var(--amber-bg);
  border: 1px solid #FCD34D;
  border-top: 5px solid var(--amber);
}
.race-card h3 { font-size: 22px; margin-bottom: 16px; }
.race-card.india h3 { color: var(--amber); }
.race-card ul { margin: 0; padding-left: 20px; }
.race-card li { margin-bottom: 10px; font-size: 15px; }
.race-source {
  font-size: 13px;
  color: var(--grey-500);
  margin-top: 24px;
  text-align: center;
}
.pull-quote {
  font-family: var(--heading-font);
  font-style: italic;
  font-size: 22px;
  color: var(--navy);
  text-align: center;
  max-width: 860px;
  margin: 40px auto 0;
  line-height: 1.4;
}
@media (min-width: 768px) {
  .race-grid { grid-template-columns: repeat(3, 1fr); }
  .pull-quote { font-size: 28px; }
}

/* ---------- 4-step flow ---------- */
.flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 32px;
}
.flow-step {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  position: relative;
}
.flow-num {
  font-family: var(--heading-font);
  font-size: 42px;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
  margin-bottom: 12px;
}
.flow-step h3 { margin-bottom: 8px; }
.flow-step p { margin: 0; font-size: 15px; }
@media (min-width: 768px) {
  .flow { grid-template-columns: repeat(4, 1fr); gap: 32px; }
  .flow-step::after {
    content: "→";
    position: absolute;
    right: -24px; top: 36px;
    font-size: 24px;
    color: var(--green);
    font-weight: 700;
  }
  .flow-step:last-child::after { display: none; }
}

/* ---------- Programs preview ---------- */
.programs-preview { background: var(--green-light); }
.prog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 32px;
}
.prog-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.prog-card-head {
  padding: 16px 24px;
  color: var(--white);
  font-family: var(--heading-font);
  font-size: 20px;
  font-weight: 700;
}
.prog-card-head.green { background: var(--green); }
.prog-card-head.navy { background: var(--navy); }
.prog-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.prog-card-body p { flex: 1; }
.learn-more {
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
}
.learn-more:hover { gap: 10px; transition: gap 0.2s ease; }
@media (min-width: 768px) {
  .prog-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: var(--navy);
  color: var(--white);
  padding: 56px 0;
}
.cta-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}
.cta-inner h2 {
  color: var(--white);
  font-size: 28px;
  margin: 0;
}
@media (min-width: 768px) {
  .cta-inner { grid-template-columns: 2fr 1fr; gap: 40px; }
  .cta-inner h2 { font-size: 32px; }
}

/* ---------- Programs page ---------- */
.program-section { padding: 80px 0; }
.program-section.alt { background: var(--green-light); }
.program-section.dark { background: var(--navy); color: rgba(255,255,255,0.92); }
.program-section.dark h2,
.program-section.dark h3 { color: var(--white); }
.program-section.dark p { color: rgba(255,255,255,0.85); }

.program-section.accent .container > h2 {
  border-left: 5px solid var(--green);
  padding-left: 20px;
}

.detail-table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.detail-table th, .detail-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--grey-200);
  font-size: 15px;
  vertical-align: top;
}
.detail-table tr:nth-child(even) { background: var(--grey-50); }
.detail-table tr:last-child th, .detail-table tr:last-child td { border-bottom: 0; }
.detail-table th {
  width: 32%;
  color: var(--navy);
  font-weight: 600;
  background: var(--green-light);
}
.program-section.dark .detail-table { background: rgba(255,255,255,0.06); }
.program-section.dark .detail-table th {
  background: rgba(74,124,0,0.4);
  color: var(--white);
}
.program-section.dark .detail-table td { color: rgba(255,255,255,0.9); border-color: rgba(255,255,255,0.1); }
.program-section.dark .detail-table tr:nth-child(even) { background: rgba(255,255,255,0.04); }

.callout {
  background: var(--green-light);
  border-left: 5px solid var(--green);
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  color: var(--navy);
  margin: 24px 0;
}
.program-section.alt .callout { background: var(--white); }
.program-section.dark .callout {
  background: rgba(255,255,255,0.08);
  color: var(--white);
  border-left-color: var(--green);
}

/* Workshop timeline */
.timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 28px 0;
}
.timeline-step {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 24px;
  border-left: 4px solid var(--green);
  box-shadow: var(--shadow);
}
.timeline-day {
  font-family: var(--heading-font);
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.timeline-step h4 { margin: 0 0 6px; }
.timeline-step p { margin: 0; font-size: 15px; }
@media (min-width: 1280px) {
  .timeline { grid-template-columns: repeat(5, 1fr); }
}

/* Lab inclusion list */
.icon-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 24px 0;
  list-style: none;
  padding: 0;
}
.icon-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  background: var(--green-light);
  border-radius: var(--radius-sm);
}
.icon-list svg { flex-shrink: 0; margin-top: 2px; }
@media (min-width: 768px) {
  .icon-list { grid-template-columns: 1fr 1fr; }
}

/* Kit cards (dark variant) */
.kit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 28px 0;
}
.kit-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 24px;
}
.kit-card h4 { color: var(--white); margin-bottom: 8px; }
.kit-card p { margin: 0; color: rgba(255,255,255,0.85); font-size: 15px; }
@media (min-width: 768px) { .kit-grid { grid-template-columns: repeat(3, 1fr); } }

/* ---------- About page ---------- */
.lab-photo {
  margin: 0;
  width: 100%;
  background: var(--grey-100);
  overflow: hidden;
}
.lab-photo img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  object-position: center;
  display: block;
}
@media (min-width: 768px) { .lab-photo img { height: 460px; } }
@media (min-width: 1280px) { .lab-photo img { height: 520px; } }
.story { background: var(--white); }
.story-inner { max-width: 800px; margin: 0 auto; }
.story-inner p { font-size: 17px; margin-bottom: 24px; }

.creds { background: var(--green-light); }
.creds-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}
.cred-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
}
.cred-num {
  font-family: var(--heading-font);
  font-size: 42px;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
  margin-bottom: 8px;
}
.cred-card p { margin: 0; font-size: 15px; color: var(--grey-700); }
@media (min-width: 768px) {
  .creds-grid { grid-template-columns: repeat(4, 1fr); }
  .cred-num { font-size: 56px; }
}

.beliefs ul {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  max-width: 860px;
}
.beliefs li {
  border-left: 4px solid var(--green);
  padding: 8px 24px;
  margin-bottom: 20px;
  line-height: 1.8;
  font-size: 17px;
  color: var(--grey-700);
}

.mission-banner {
  background: var(--navy);
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}
.mission-banner h2 {
  color: var(--white);
  font-size: 28px;
  max-width: 860px;
  margin: 0 auto 16px;
  line-height: 1.4;
}
.mission-banner p { color: rgba(255,255,255,0.8); margin: 0; font-size: 15px; letter-spacing: 1px; }
@media (min-width: 768px) {
  .mission-banner h2 { font-size: 40px; }
}

/* ---------- Contact page ---------- */
.contact-section { padding: 32px 0 56px; }
@media (min-width: 768px) { .contact-section { padding: 40px 0 80px; } }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.contact-info h3 { margin-bottom: 12px; }
.contact-info p { margin: 0 0 8px; }
.contact-info .address { color: var(--grey-700); }
.contact-info a { color: var(--green); font-weight: 500; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green-light);
  color: var(--green);
  border: 1px solid var(--green);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin: 16px 0 24px;
}
.interest-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 24px;
}
.interest-card {
  border: 2px solid var(--green);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  background: var(--white);
}
.interest-card strong { color: var(--navy); display: block; margin-bottom: 4px; font-size: 15px; }
.interest-card span { font-size: 14px; color: var(--grey-700); }

.form-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.form-row { margin-bottom: 12px; }
.form-row label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 4px;
}
.form-row label .req { color: var(--red-text); }
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  border: 1px solid var(--grey-300);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font-size: 14px;
  font-family: var(--body-font);
  color: var(--grey-700);
  background: var(--white);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-row textarea { resize: vertical; min-height: 80px; }
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: 0;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(74,124,0,0.15);
}
.form-row .err {
  display: none;
  margin-top: 6px;
  color: var(--red-text);
  font-size: 13px;
}
.form-row.invalid input,
.form-row.invalid select,
.form-row.invalid textarea { border-color: var(--red-text); }
.form-row.invalid .err { display: block; }
.form-note {
  font-size: 13px;
  color: var(--grey-500);
  margin-top: 12px;
  text-align: center;
}
.form-success {
  display: none;
  background: var(--green-light);
  border: 1px solid var(--green);
  color: var(--green-dark);
  padding: 20px;
  border-radius: var(--radius);
  text-align: center;
  font-weight: 500;
}
.form-success.show { display: block; }
.form-success.show + form { display: none; }

@media (min-width: 768px) {
  .contact-grid { grid-template-columns: 1fr 1.2fr; gap: 56px; }
}

/* ---------- Footer ---------- */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.85);
  padding: 56px 0 0;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-bottom: 40px;
}
.footer h4 {
  color: var(--white);
  font-size: 16px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.footer p, .footer li { font-size: 14px; line-height: 1.8; margin: 0; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { margin-bottom: 4px; }
.footer a { color: rgba(255,255,255,0.85); }
.footer a:hover { color: var(--white); }
.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.pill {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.5px;
}
.footer-bottom {
  background: var(--green);
  color: var(--white);
  padding: 14px 0;
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.5px;
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; gap: 48px; }
}

/* ---------- WhatsApp floating ---------- */
.wa-float {
  position: fixed;
  right: 20px; bottom: 20px;
  width: 56px; height: 56px;
  background: var(--whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37,211,102,0.4);
  z-index: 999;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.wa-float:hover {
  transform: scale(1.1);
  box-shadow: 0 10px 28px rgba(37,211,102,0.55);
}
.wa-float svg { width: 30px; height: 30px; fill: var(--white); }
.wa-tooltip {
  position: absolute;
  right: 68px; top: 50%;
  transform: translateY(-50%);
  background: var(--navy);
  color: var(--white);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.wa-float:hover .wa-tooltip { opacity: 1; }

/* ---------- Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* =========================================================
   Home Landing — premium edition
   Clean. Substance-led. Inspired by enterprise AI sites.
   ========================================================= */

/* ---- LP Hero (clean, premium serif) ---- */
.lp-hero {
  position: relative;
  background: linear-gradient(180deg, #FBFAF6 0%, #F4F2EA 100%);
  padding: 36px 0 56px;
  overflow: hidden;
  isolation: isolate;
}
.lp-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 18% 20%, rgba(74,124,0,0.10), transparent 55%),
                    radial-gradient(circle at 90% 10%, rgba(15,31,75,0.08), transparent 55%);
  z-index: -1;
}
.lp-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
.lp-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--white);
  border: 1px solid #E0DCC8;
  font-size: 12px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--green-dark);
  font-weight: 600;
  margin-bottom: 18px;
}
.lp-eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(74,124,0,0.15);
}
.lp-headline {
  font-family: var(--heading-font);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--navy);
  font-size: clamp(36px, 5.4vw, 62px);
  margin: 0 0 18px;
}
.lp-headline em {
  font-style: italic;
  color: var(--green-dark);
}
.lp-sub {
  font-size: clamp(16px, 1.4vw, 18px);
  color: var(--grey-700);
  max-width: 580px;
  line-height: 1.55;
  margin: 0 0 24px;
}
.lp-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.lp-cta .btn { height: 52px; padding: 0 28px; }
.btn-primary.btn-arrow::after { content: "  →"; }

.lp-trust {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid #E0DCC8;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 13px;
  color: var(--grey-700);
  letter-spacing: 0.3px;
}
.lp-trust strong { color: var(--navy); font-weight: 600; }

/* hero photo right side */
.lp-hero-art {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(15,31,75,0.18);
  aspect-ratio: 3 / 2;
  background: var(--navy);
}
.lp-hero-art img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.8s ease;
}
.lp-hero-art:hover img { transform: scale(1.04); }
.lp-hero-art .stat-overlay {
  position: absolute;
  left: 20px; bottom: 20px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 16px 20px;
  border-radius: 14px;
  max-width: 240px;
}
.lp-hero-art .stat-overlay .num {
  font-family: var(--heading-font);
  font-size: 32px;
  color: var(--green-dark);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
}
.lp-hero-art .stat-overlay p {
  margin: 0;
  font-size: 13px;
  color: var(--grey-700);
  line-height: 1.4;
}
@media (min-width: 1024px) {
  .lp-hero { padding: 48px 0 72px; }
  .lp-hero-grid { grid-template-columns: 1.1fr 1fr; gap: 64px; }
  .lp-hero-art { aspect-ratio: 3 / 2; }
}

/* ---- Banner photo with quote overlay ---- */
.lp-banner {
  position: relative;
  height: 320px;
  background: var(--navy);
  overflow: hidden;
  isolation: isolate;
}
.lp-banner img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  z-index: -2;
  filter: brightness(0.55) saturate(1.1);
}
.lp-banner::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(15,31,75,0.85) 0%, rgba(15,31,75,0.5) 60%, transparent 100%);
  z-index: -1;
}
.lp-banner-inner {
  height: 100%;
  display: flex;
  align-items: center;
  color: #fff;
}
.lp-banner-quote {
  font-family: var(--heading-font);
  font-style: italic;
  font-size: clamp(22px, 3vw, 36px);
  color: #fff;
  line-height: 1.3;
  max-width: 760px;
  margin: 0 0 12px;
}
.lp-banner-author {
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  font-weight: 600;
}
@media (min-width: 768px) { .lp-banner { height: 420px; } }

/* ---- Section eyebrow + heading ---- */
.lp-section {
  padding: 96px 0;
  scroll-margin-top: calc(var(--nav-h) + 12px);
}
.lp-section.tight { padding: 72px 0; }
.lp-section.alt { background: #FBFAF6; }
.lp-section.cream { background: #F8F6EE; }
.lp-section-head { margin-bottom: 56px; max-width: 760px; }
.lp-section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.lp-section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--body-font);
  text-transform: uppercase;
  letter-spacing: 2.5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--green);
  margin: 0 0 16px;
}
.lp-section-eyebrow::before {
  content: "";
  display: inline-block;
  width: 32px; height: 1.5px;
  background: var(--green);
}
.lp-section-title {
  font-family: var(--heading-font);
  font-weight: 700;
  font-size: clamp(28px, 3.5vw, 44px);
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--navy);
  margin: 0 0 16px;
}
.lp-section-lead {
  font-size: 17px;
  color: var(--grey-700);
  line-height: 1.65;
  margin: 0;
}

/* ---- Industries grid ---- */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.industry {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: 14px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.industry:hover {
  border-color: var(--green);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(74,124,0,0.08);
}
.industry .icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--green-light);
  color: var(--green-dark);
  display: flex; align-items: center; justify-content: center;
}
.industry .icon svg { width: 20px; height: 20px; }
.industry h4 {
  font-family: var(--body-font);
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  margin: 0;
}
.industry p { font-size: 12px; color: var(--grey-500); margin: 0; line-height: 1.45; }
@media (min-width: 768px) { .industries-grid { grid-template-columns: repeat(4, 1fr); gap: 16px; } }
@media (min-width: 1280px) { .industries-grid { grid-template-columns: repeat(4, 1fr); } }

/* ---- Solutions / Programs (4-up modules) ---- */
.solutions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.solution {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: 16px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.solution::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--navy));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.solution:hover {
  transform: translateY(-4px);
  border-color: var(--green);
  box-shadow: 0 12px 32px rgba(15,31,75,0.10);
}
.solution:hover::before { transform: scaleX(1); }
.solution .badge-num {
  font-family: var(--heading-font);
  font-size: 13px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 1px;
}
.solution .icon-lg {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--green-light);
  color: var(--green-dark);
  display: flex; align-items: center; justify-content: center;
}
.solution .icon-lg svg { width: 26px; height: 26px; }
.solution h3 {
  font-family: var(--heading-font);
  font-size: 22px;
  margin: 0;
  color: var(--navy);
}
.solution p {
  margin: 0;
  font-size: 15px;
  color: var(--grey-700);
  line-height: 1.6;
  flex: 1;
}
.solution .learn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--green-dark);
  margin-top: 8px;
}
.solution .learn:hover { gap: 10px; transition: gap 0.2s ease; }
@media (min-width: 768px) { .solutions-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; } }
@media (min-width: 1280px) { .solutions-grid { grid-template-columns: repeat(4, 1fr); } }

/* ---- Process flow upgrade ---- */
.lp-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 8px;
}
.lp-flow-step {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: 16px;
  padding: 28px;
  position: relative;
}
.lp-flow-step .step-num {
  font-family: var(--heading-font);
  font-size: 56px;
  line-height: 1;
  font-weight: 700;
  background: linear-gradient(135deg, var(--green) 0%, var(--navy) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 12px;
}
.lp-flow-step h3 {
  font-size: 20px;
  margin-bottom: 8px;
}
.lp-flow-step p { margin: 0; font-size: 15px; }
@media (min-width: 768px) {
  .lp-flow { grid-template-columns: repeat(4, 1fr); gap: 24px; }
}

/* ---- Cases gallery (what students build) ---- */
.cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.case {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.case:hover { transform: translateY(-4px); box-shadow: 0 14px 32px rgba(15,31,75,0.10); }
.case-art {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.case-art::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.18), transparent 60%),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.04), rgba(255,255,255,0.04) 12px, transparent 12px, transparent 24px);
  z-index: -1;
}
.case-art svg { width: 56px; height: 56px; color: rgba(255,255,255,0.95); }
.case-art.green { background: linear-gradient(135deg, #4A7C00, #5e9b0a); }
.case-art.navy { background: linear-gradient(135deg, #0F1F4B, #2a3b7d); }
.case-art.amber { background: linear-gradient(135deg, #B45309, #d4790f); }
.case-art.teal { background: linear-gradient(135deg, #0a4d4a, #2a7c78); }
.case-art.dark { background: linear-gradient(135deg, #1a1a2e, #2c2c54); }
.case-art.olive { background: linear-gradient(135deg, #3a4a1a, #6a7d35); }
.case-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.case-tag {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green-dark);
  font-weight: 600;
  margin-bottom: 6px;
}
.case h4 {
  font-family: var(--heading-font);
  font-size: 19px;
  margin: 0 0 8px;
  color: var(--navy);
}
.case p {
  font-size: 14px;
  color: var(--grey-700);
  margin: 0;
  line-height: 1.55;
}
@media (min-width: 768px) { .cases-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1280px) { .cases-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; } }

/* ---- Why us — credential bento ---- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.why-cell {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: 16px;
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.why-cell:hover { border-color: var(--green); transform: translateY(-2px); }
.why-cell .num {
  font-family: var(--heading-font);
  font-weight: 700;
  font-size: 56px;
  line-height: 1;
  color: var(--navy);
  margin-bottom: 14px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--green) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.why-cell h4 {
  font-family: var(--body-font);
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  margin: 0 0 6px;
}
.why-cell p {
  margin: 0;
  font-size: 14px;
  color: var(--grey-700);
  line-height: 1.55;
}
@media (min-width: 768px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (min-width: 1280px) {
  .why-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ---- Voices (the two CEO quotes, premium) ---- */
.voices {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.voice {
  background: var(--white);
  border-radius: 18px;
  padding: 32px;
  border-left: 4px solid var(--green);
  box-shadow: 0 8px 24px rgba(15,31,75,0.06);
}
.voice.navy { border-left-color: var(--navy); }
.voice .q-mark {
  font-family: var(--heading-font);
  font-size: 56px;
  line-height: 1;
  color: var(--green);
  margin-bottom: 4px;
}
.voice.navy .q-mark { color: var(--navy); }
.voice p {
  font-family: var(--heading-font);
  font-style: italic;
  font-size: clamp(18px, 1.6vw, 22px);
  color: var(--navy);
  margin: 0 0 14px;
  line-height: 1.4;
}
.voice .author {
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--grey-500);
  font-weight: 600;
}
@media (min-width: 768px) { .voices { grid-template-columns: 1fr 1fr; gap: 24px; } }

/* ---- Final CTA gradient ---- */
.lp-cta-banner {
  position: relative;
  background: linear-gradient(135deg, #0F1F4B 0%, #1a2f6f 60%, #2a4d00 130%);
  color: #fff;
  padding: 80px 0;
  overflow: hidden;
  isolation: isolate;
}
.lp-cta-banner::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 15% 50%, rgba(74,124,0,0.45), transparent 50%),
                    radial-gradient(circle at 90% 30%, rgba(167,226,60,0.18), transparent 50%);
  z-index: -1;
}
.lp-cta-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}
.lp-cta-banner h2 {
  font-family: var(--heading-font);
  color: #fff;
  font-size: clamp(28px, 3.5vw, 42px);
  margin: 0;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.lp-cta-banner .lead { color: rgba(255,255,255,0.75); margin: 14px 0 0; font-size: 16px; }
.lp-cta-banner .btn-primary {
  background: #a7e23c;
  border-color: #a7e23c;
  color: var(--navy);
  height: 56px;
  padding: 0 32px;
  font-weight: 700;
  box-shadow: 0 0 0 0 rgba(167,226,60,0.4);
  transition: box-shadow 0.3s ease, transform 0.15s ease;
}
.lp-cta-banner .btn-primary:hover {
  background: #b8ed52;
  border-color: #b8ed52;
  color: var(--navy);
  box-shadow: 0 0 0 8px rgba(167,226,60,0.18);
}
@media (min-width: 768px) {
  .lp-cta-inner { grid-template-columns: 1.6fr 1fr; gap: 56px; }
  .lp-cta-banner { padding: 110px 0; }
}

/* ---- Marquee strip (kept as smaller helper) ---- */
.marquee {
  background: var(--white);
  border-top: 1px solid var(--grey-200);
  border-bottom: 1px solid var(--grey-200);
  overflow: hidden;
  padding: 16px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex;
  gap: 36px;
  align-items: center;
  white-space: nowrap;
  width: max-content;
  animation: marquee-move 38s linear infinite;
  font-size: 14px;
  font-weight: 500;
  color: var(--grey-700);
  letter-spacing: 0.4px;
}
.marquee-track .dot { color: var(--green); font-weight: 700; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee-move {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Print ---------- */
@media print {
  .nav, .footer, .wa-float, .cta-banner, .nav-drawer { display: none !important; }
  main { padding-top: 0; }
  .page-header { background: #fff !important; color: #000 !important; padding: 24px 0; }
  .page-header h1, .page-header p { color: #000 !important; }
  body { color: #000; background: #fff; }
  .form-card { box-shadow: none; border: 1px solid #ccc; }
  a { color: #000; text-decoration: underline; }
}