:root {
  --navy: #071d46;
  --deep: #09295f;
  --blue: #0a84ff;
  --cyan: #00c8ff;
  --orange: #ff7a00;
  --gold: #ffb000;
  --white: #ffffff;
  --muted: #5f6f89;
  --line: #dbe7f7;
  --shadow: 0 24px 70px rgba(7, 29, 70, 0.18);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: #ffffff;
  color: var(--navy);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: inherit; text-decoration: none; }

.landing-shell {
  background:
    radial-gradient(circle at 76% 18%, rgba(0, 200, 255, 0.18), transparent 22rem),
    radial-gradient(circle at 8% 82%, rgba(255, 122, 0, 0.14), transparent 20rem),
    #fff;
  min-height: 100vh;
  overflow: hidden;
  padding: 24px clamp(18px, 5vw, 72px) 0;
  position: relative;
}

.site-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1360px;
  position: relative;
  z-index: 3;
}

.brand img {
  display: block;
  max-height: 82px;
  object-fit: contain;
  width: min(320px, 58vw);
}

.social-top,
.footer-social {
  display: flex;
  gap: 10px;
}

.social-top a,
.footer-social a {
  align-items: center;
  background: #f1f7ff;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--blue);
  display: flex;
  height: 42px;
  justify-content: center;
  transition: 0.2s ease;
  width: 42px;
}

.social-top a:hover,
.footer-social a:hover { background: var(--blue); color: #fff; transform: translateY(-3px); }

.hero-section {
  align-items: center;
  display: grid;
  gap: 44px;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.92fr);
  margin: 0 auto;
  max-width: 1360px;
  min-height: calc(100vh - 130px);
  padding: 34px 0 54px;
  position: relative;
  z-index: 2;
}

.hero-copy { animation: fadeUp 0.7s ease both; position: relative; z-index: 2; }

.launch-pill {
  align-items: center;
  background: #fff3e8;
  border: 1px solid #ffd8b5;
  border-radius: 999px;
  color: #b94f00;
  display: inline-flex;
  font-size: 0.82rem;
  font-weight: 900;
  gap: 8px;
  margin-bottom: 18px;
  padding: 9px 14px;
  text-transform: uppercase;
}

h1 {
  color: var(--navy);
  font-size: clamp(3.2rem, 8vw, 7.6rem);
  letter-spacing: -0.04em;
  line-height: 0.92;
  margin: 0;
  max-width: 860px;
}

.hero-copy p {
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.22rem);
  line-height: 1.7;
  margin: 24px 0 0;
  max-width: 680px;
}

.badge-stamp {
  align-items: center;
  background: linear-gradient(135deg, var(--blue), var(--navy));
  border: 5px solid #fff;
  border-radius: 999px;
  box-shadow: var(--shadow);
  color: #fff;
  display: flex;
  font-size: 0.92rem;
  font-weight: 950;
  height: 124px;
  justify-content: center;
  line-height: 1.18;
  position: absolute;
  right: 8%;
  text-align: center;
  text-transform: uppercase;
  top: 12px;
  transform: rotate(10deg);
  width: 124px;
}

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

.btn {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-weight: 950;
  gap: 10px;
  justify-content: center;
  min-height: 52px;
  padding: 15px 24px;
  transition: 0.2s ease;
}

.btn:hover { transform: translateY(-3px); }
.btn.primary { background: linear-gradient(135deg, var(--orange), var(--gold)); box-shadow: 0 16px 36px rgba(255, 122, 0, 0.25); color: #fff; }
.btn.whatsapp { background: #eafaf0; color: #087b3e; }

.hero-art {
  animation: fadeIn 0.85s ease both;
  min-height: 560px;
  position: relative;
}

.circle-backdrop {
  background: linear-gradient(145deg, #0a84ff, #071d46);
  border-radius: 50%;
  bottom: 10px;
  box-shadow: inset 0 0 80px rgba(255,255,255,.18), var(--shadow);
  height: min(560px, 42vw);
  min-height: 360px;
  position: absolute;
  right: -40px;
  width: min(560px, 42vw);
}

.student-card {
  align-items: center;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,.9);
  border-radius: 34px;
  bottom: 56px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 24px;
  justify-content: center;
  min-height: 420px;
  padding: 34px;
  position: absolute;
  right: 40px;
  width: min(430px, 86%);
}

.hero-student-image {
  display: block;
  max-height: 300px;
  object-fit: contain;
  width: min(100%, 430px);
}

.book-stack { display: grid; gap: 8px; width: 190px; }
.book-stack span { border-radius: 999px; display: block; height: 18px; }
.book-stack span:nth-child(1) { background: var(--orange); width: 78%; }
.book-stack span:nth-child(2) { background: var(--blue); width: 100%; }
.book-stack span:nth-child(3) { background: var(--navy); width: 64%; }

.floating-note {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 16px 42px rgba(7,29,70,.13);
  color: var(--navy);
  font-size: .86rem;
  font-weight: 900;
  padding: 12px 14px;
  position: absolute;
}
.floating-note i { color: var(--orange); margin-right: 6px; }
.note-one { left: -54px; top: 52px; }
.note-two { bottom: 86px; left: -46px; }
.note-three { right: -32px; top: 172px; }

.countdown-section {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: -34px auto 34px;
  max-width: 860px;
  position: relative;
  z-index: 3;
}

.countdown-section article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 20px;
  text-align: center;
}

.countdown-section strong { color: var(--blue); display: block; font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1; }
.countdown-section span { color: var(--navy); font-size: .78rem; font-weight: 950; text-transform: uppercase; }

.feature-strip,
.contact-section {
  display: grid;
  gap: 16px;
  margin: 0 auto 34px;
  max-width: 1360px;
  position: relative;
  z-index: 2;
}

.feature-strip { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.feature-strip article,
.contact-section article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 12px 36px rgba(7,29,70,.08);
}
.feature-strip article { align-items: center; display: grid; gap: 10px; justify-items: center; min-height: 132px; padding: 18px 12px; text-align: center; transition: .2s ease; }
.feature-strip article:hover { transform: translateY(-4px); }
.feature-strip i { color: var(--orange); font-size: 1.8rem; }
.feature-strip span { font-weight: 900; }

.contact-section { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.contact-section article { display: flex; gap: 12px; padding: 18px; }
.contact-section i { color: var(--blue); font-size: 1.3rem; margin-top: 3px; }
.contact-section h2 { font-size: .92rem; margin: 0 0 6px; text-transform: uppercase; }
.contact-section p { color: var(--muted); line-height: 1.55; margin: 0; }

.site-footer {
  align-items: center;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(280px, 1fr) auto auto;
  margin: 20px auto 0;
  max-width: 1360px;
  padding: 24px 0 28px;
  position: relative;
  z-index: 2;
}
.subscribe-form label { display: block; font-size: .82rem; font-weight: 950; margin-bottom: 8px; text-transform: uppercase; }
.subscribe-form div { background: #fff; border: 1px solid var(--line); border-radius: 999px; display: flex; max-width: 480px; padding: 5px; }
.subscribe-form input { border: 0; flex: 1; font: inherit; min-width: 0; outline: 0; padding: 0 16px; }
.subscribe-form button { background: var(--navy); border: 0; border-radius: 999px; color: #fff; cursor: pointer; font-weight: 950; padding: 12px 18px; }
.site-footer p { color: var(--muted); font-size: .9rem; font-weight: 700; margin: 0; text-align: right; }

.wave { bottom: -130px; position: absolute; transform: rotate(-2deg); z-index: 1; }
.wave-blue { background: var(--blue); border-radius: 50% 50% 0 0; height: 250px; left: -8%; width: 72%; }
.wave-orange { background: var(--orange); border-radius: 50% 50% 0 0; height: 170px; right: -12%; width: 56%; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; transform: scale(.98); } to { opacity: 1; transform: scale(1); } }

@media (max-width: 1120px) {
  .hero-section { grid-template-columns: 1fr; min-height: auto; }
  .hero-art { min-height: 500px; }
  .circle-backdrop { height: 470px; right: 8%; width: 470px; }
  .student-card { left: 50%; right: auto; transform: translateX(-50%); }
  .feature-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .contact-section { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer { grid-template-columns: 1fr; justify-items: start; }
  .site-footer p { text-align: left; }
}

@media (max-width: 720px) {
  .landing-shell { padding: 16px 16px 0; }
  .site-header { align-items: flex-start; gap: 14px; }
  .social-top { display: none; }
  .brand img { max-height: 64px; width: min(260px, 78vw); }
  h1 { font-size: clamp(3rem, 16vw, 4.7rem); }
  .badge-stamp { height: 94px; position: static; transform: rotate(-4deg); width: 94px; margin-top: 18px; font-size: .7rem; }
  .cta-row,.btn { width: 100%; }
  .hero-art { min-height: 430px; }
  .circle-backdrop { min-height: 310px; right: -56px; width: 360px; }
  .student-card { bottom: 48px; min-height: 340px; padding: 24px; width: min(340px, 96%); }
  .hero-student-image { max-height: 230px; }
  .floating-note { font-size: .75rem; }
  .note-one { left: -10px; top: 34px; }
  .note-two { bottom: 60px; left: -8px; }
  .note-three { right: -8px; top: 138px; }
  .countdown-section { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: -18px; }
  .feature-strip,.contact-section { grid-template-columns: 1fr; }
  .subscribe-form div { border-radius: 20px; display: grid; gap: 8px; padding: 8px; }
  .subscribe-form input { min-height: 44px; }
  .wave { opacity: .5; }
}