:root {
  --brand: #1a237e;
  --accent: #f7941e;
  --text: #222;
  --muted: #5b6572;
  --bg: #f6f8fb;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Heebo', 'Segoe UI', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  padding-bottom: 10px;
}

.logo-link { display: flex; align-items: center; }

.logo-img {
  height: 52px;
  width: auto;
  display: block;
}

.site-nav { display: flex; gap: 22px; }

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  transition: color .2s;
}

.site-nav a:hover { color: var(--accent); }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--brand), #283593);
  color: #fff;
  text-align: center;
  padding: 80px 0;
}

.hero h1 {
  font-size: 2.9rem;
  font-weight: 800;
}

.hero-sub {
  margin: 16px 0 30px;
  font-size: 1.2rem;
  font-weight: 300;
  opacity: .95;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 12px 32px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  transition: transform .2s, box-shadow .2s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(247,148,30,.4);
}

/* Feature sections — full-width banners */
.feature { padding: 60px 0 20px; }

.feature h2 {
  font-size: 1.9rem;
  color: var(--brand);
  margin-bottom: 12px;
  text-align: center;
}

.feature .lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 760px;
  margin: 0 auto 28px;
  text-align: center;
}

.feature-banner {
  width: 100%;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(26,35,126,.18);
  display: block;
}

/* Why Ness */
.why-ness { padding: 60px 0 20px; }

.why-ness h2 {
  font-size: 1.9rem;
  color: var(--brand);
  text-align: center;
  margin-bottom: 30px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: #fff;
  border-radius: 14px;
  padding: 28px 24px;
  box-shadow: 0 6px 20px rgba(26,35,126,.10);
  border-top: 4px solid var(--accent);
}

.card h3 {
  color: var(--brand);
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.card p { color: var(--muted); font-size: .98rem; }

/* CEO quote */
.ceo-quote {
  text-align: center;
  padding: 60px 0;
}

.ceo-quote blockquote {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--brand);
  max-width: 720px;
  margin: 0 auto 12px;
}

.ceo-name { color: var(--muted); font-weight: 600; }

.link-more {
  display: inline-block;
  margin-top: 10px;
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.link-more:hover { text-decoration: underline; }

/* Videos */
.videos { padding: 60px 0 20px; }

.videos h2 {
  font-size: 1.9rem;
  color: var(--brand);
  text-align: center;
  margin-bottom: 8px;
}

.videos .lead {
  text-align: center;
  color: var(--muted);
  margin-bottom: 28px;
}

.video-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
  align-items: start;
}

.video-frame { position: sticky; top: 90px; }

.video-frame iframe,
#ytplayer {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(26,35,126,.15);
  background: #000;
  display: block;
}

.chapters {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chapters button {
  width: 100%;
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-align: right;
  font-family: inherit;
  font-size: .95rem;
  line-height: 1.4;
  color: var(--text);
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}

.chapters button:hover { border-color: var(--accent); }

.chapters button.active {
  background: #fff4e6;
  border-color: var(--accent);
}

.ch-time {
  font-weight: 700;
  color: var(--brand);
  direction: ltr;
  unicode-bidi: embed;
  flex-shrink: 0;
}

/* Contact */
.contact {
  text-align: center;
  padding: 20px 0 80px;
}

.contact h2 {
  font-size: 1.9rem;
  color: var(--brand);
  margin-bottom: 8px;
}

.contact .lead { color: var(--muted); margin-bottom: 28px; }

.contact-actions {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.mail-btn,
.whatsapp-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 14px;
  padding: 20px 34px;
  text-decoration: none;
  transition: transform .2s;
}

.mail-btn {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 6px 20px rgba(26,35,126,.30);
}

.mail-btn svg { width: 30px; height: 30px; flex-shrink: 0; }

.whatsapp-btn {
  background: #25d366;
  color: #fff;
  box-shadow: 0 6px 20px rgba(37,211,102,.35);
}

.whatsapp-btn img { width: 30px; height: 30px; flex-shrink: 0; }

.mail-btn:hover,
.whatsapp-btn:hover { transform: translateY(-3px); }

.btn-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.4;
  text-align: right;
}

.btn-text small {
  font-weight: 400;
  font-size: .85rem;
  opacity: .9;
}

.links-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
}

.links-row a {
  color: var(--brand);
  font-weight: 600;
  text-decoration: none;
}

.links-row a:hover { color: var(--accent); }

/* Footer */
.site-footer {
  background: var(--brand);
  color: #fff;
  padding: 26px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-logo {
  height: 40px;
  border-radius: 6px;
  background: #fff;
  padding: 4px 8px;
}

.site-footer p { opacity: .9; font-size: .95rem; }

/* Mobile */
@media (max-width: 800px) {
  .cards { grid-template-columns: 1fr; }
  .video-layout { grid-template-columns: 1fr; }
  .video-frame { position: static; }
  .contact-actions { flex-direction: column; align-items: stretch; }
  .mail-btn,
  .whatsapp-btn { padding: 16px 20px; font-size: 1rem; justify-content: center; }
  .hero { padding: 55px 0; }
  .hero h1 { font-size: 2rem; }
  .hero-sub { font-size: 1.05rem; }
  .feature { padding: 40px 0 12px; }
  .videos { padding: 40px 0 12px; }
  .site-nav { gap: 12px; font-size: .85rem; flex-wrap: wrap; justify-content: flex-end; }
  .logo-img { height: 42px; }
}