/* Level Up English — Miss Asma demo
   Palette: Cerulean Ascent (blue variety) */

:root {
  --navy: #0f2a58;
  --deep: #1a4a8a;
  --mid: #2f7ac7;
  --sky: #7ab8e8;
  --pale: #e8f3fc;
  --mist: #f4f9fd;
  --ink: #122038;
  --muted: #5a6b82;
  --white: #ffffff;
  --line: rgba(15, 42, 88, 0.1);
  --shadow: 0 18px 50px rgba(15, 42, 88, 0.12);
  --radius: 14px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Outfit", system-ui, sans-serif;
  --font-mono: "DM Mono", ui-monospace, monospace;
  --max: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--mist);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--deep); text-decoration: none; }
a:hover { color: var(--mid); }
button, input, select, textarea { font: inherit; }
.container { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }

/* Atmosphere */
.bg-wash {
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(122, 184, 232, 0.45), transparent 55%),
    radial-gradient(900px 500px at -10% 30%, rgba(47, 122, 199, 0.12), transparent 50%),
    linear-gradient(180deg, var(--pale) 0%, var(--mist) 48%, var(--white) 100%);
}
.grain::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 80;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(244, 249, 253, 0.82);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--navy);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand img { width: 42px; height: 42px; border-radius: 50%; }
.brand span { font-size: 1.05rem; }
.brand small {
  display: block;
  font-weight: 500;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a { color: var(--ink); font-size: 0.95rem; font-weight: 500; }
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.85rem 1.35rem;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s, box-shadow 0.2s;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 10px 28px rgba(15, 42, 88, 0.25);
}
.btn-primary:hover { background: var(--deep); color: var(--white); }
.btn-secondary {
  background: var(--white);
  color: var(--navy);
  border-color: rgba(15, 42, 88, 0.18);
}
.btn-secondary:hover { border-color: var(--mid); color: var(--deep); }
.btn-sky {
  background: var(--mid);
  color: var(--white);
}
.btn-sky:hover { background: var(--deep); color: var(--white); }
.btn-block { width: 100%; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Hero — brand first, one composition */
.hero {
  position: relative;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 5rem 0 4rem;
}
.hero-plane {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(15, 42, 88, 0.88) 0%, rgba(26, 74, 138, 0.72) 42%, rgba(47, 122, 199, 0.45) 70%, rgba(122, 184, 232, 0.25) 100%),
    url("https://images.unsplash.com/photo-1503676260728-1c00da094a0b?auto=format&fit=crop&w=1800&q=80") center/cover no-repeat;
  z-index: 0;
}
.hero-plane::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 70% 40%, transparent 0%, rgba(15, 42, 88, 0.35) 100%),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 38px,
      rgba(255, 255, 255, 0.03) 38px,
      rgba(255, 255, 255, 0.03) 39px
    );
}
.hero .container { position: relative; z-index: 1; color: var(--white); }
.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin: 0 0 1.25rem;
  max-width: 12ch;
  text-wrap: balance;
  animation: rise 0.9s var(--ease) both;
}
.hero-brand em {
  font-style: italic;
  font-weight: 500;
  color: var(--sky);
}
.hero p {
  max-width: 36ch;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.88);
  margin: 0 0 1.75rem;
  animation: rise 0.9s var(--ease) 0.12s both;
}
.hero .cta-row { animation: rise 0.9s var(--ease) 0.22s both; }
.hero-meta {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  animation: rise 0.9s var(--ease) 0.32s both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Sections */
section { padding: 5rem 0; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mid);
  margin: 0 0 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--navy);
  margin: 0 0 0.85rem;
  max-width: 16ch;
  text-wrap: balance;
}
.section-lead {
  color: var(--muted);
  max-width: 52ch;
  margin: 0 0 2.5rem;
  font-size: 1.05rem;
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}
.split.reverse { grid-template-columns: 0.95fr 1.05fr; }
.split.reverse > :first-child { order: 2; }

.levels {
  display: grid;
  gap: 0.85rem;
}
.level {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1.1rem 1.25rem;
  border-left: 4px solid var(--mid);
  background: var(--white);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: var(--shadow);
  transition: transform 0.25s var(--ease);
}
.level:nth-child(1) { border-color: var(--navy); }
.level:nth-child(2) { border-color: var(--deep); margin-inline-start: 1rem; }
.level:nth-child(3) { border-color: var(--mid); margin-inline-start: 2rem; }
.level:nth-child(4) { border-color: var(--sky); margin-inline-start: 3rem; }
.level:hover { transform: translateX(6px); }
.level strong { color: var(--navy); }
.level span { color: var(--muted); font-size: 0.92rem; }
.level .num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--sky);
  font-weight: 600;
}

.audience-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.25rem;
}
.panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.75rem;
}
.panel h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  color: var(--navy);
  letter-spacing: -0.02em;
}
.panel p { margin: 0; color: var(--muted); }
.panel.accent {
  background: linear-gradient(160deg, var(--navy), var(--deep));
  color: var(--white);
  border: none;
}
.panel.accent h3 { color: var(--white); }
.panel.accent p { color: rgba(255, 255, 255, 0.82); }
.chip-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.25rem; }
.chip {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--pale);
  color: var(--deep);
}
.panel.accent .chip {
  background: rgba(255, 255, 255, 0.14);
  color: var(--white);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}
.step {
  position: relative;
  padding-top: 2.5rem;
  border-top: 2px solid var(--sky);
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: -0.95rem;
  left: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  background: var(--mist);
  color: var(--mid);
  padding-right: 0.5rem;
}
.step h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
  color: var(--navy);
}
.step p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.teacher {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2.5rem;
  align-items: stretch;
}
.teacher-photo {
  border-radius: 22px;
  overflow: hidden;
  min-height: 420px;
  background:
    linear-gradient(180deg, transparent 40%, rgba(15, 42, 88, 0.55)),
    url("https://images.unsplash.com/photo-1573496359142-b8d87734a5a2?auto=format&fit=crop&w=900&q=80") center/cover;
  position: relative;
}
.teacher-photo figcaption {
  position: absolute;
  left: 1.25rem;
  bottom: 1.25rem;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.quote {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin: 0 0 1.5rem;
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}
.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--mid);
  letter-spacing: -0.03em;
}
.stat span {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Schedule */
.schedule-wrap {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
}
.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}
table.schedule {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}
.schedule th, .schedule td {
  padding: 0.95rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.schedule th {
  background: var(--pale);
  color: var(--navy);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-open { background: #e7f6ee; color: #1f6b45; }
.badge-limited { background: #fff4df; color: #8a5a12; }
.badge-full { background: #fdeceb; color: #9f2f2d; }

/* Forms */
.form {
  display: grid;
  gap: 0.9rem;
}
.form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy);
}
.form input, .form select, .form textarea {
  padding: 0.8rem 0.9rem;
  border: 1px solid rgba(15, 42, 88, 0.16);
  border-radius: 10px;
  background: var(--white);
  color: var(--ink);
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: 2px solid rgba(47, 122, 199, 0.35);
  border-color: var(--mid);
}
.form .hint { font-weight: 400; color: var(--muted); font-size: 0.8rem; }
.form-success {
  display: none;
  padding: 1rem;
  border-radius: 10px;
  background: #e7f6ee;
  color: #1f6b45;
  font-weight: 600;
}
.form-success.show { display: block; }

/* Ad landing specifics */
.ad-hero {
  min-height: 88dvh;
  padding: 4.5rem 0 3rem;
  display: grid;
  align-items: center;
}
.ad-hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}
.ad-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  padding: 1.75rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.ad-card h2 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  color: var(--navy);
  font-size: 1.5rem;
}
.proof {
  display: flex;
  gap: 1rem;
  margin: 1.25rem 0 0;
  flex-wrap: wrap;
}
.proof div {
  font-size: 0.85rem;
  color: var(--muted);
}
.proof strong { display: block; color: var(--navy); font-size: 1.05rem; }

.trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  padding: 1.25rem 0;
  border-block: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}
.trust-bar strong { color: var(--navy); }

/* FAQ */
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--navy);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--mid); font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq p { color: var(--muted); margin: 0.75rem 0 0; max-width: 60ch; }

/* Footer */
.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.78);
  padding: 3rem 0 2rem;
  margin-top: 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.site-footer a { color: var(--sky); }
.site-footer h4 {
  margin: 0 0 0.75rem;
  color: var(--white);
  font-size: 0.95rem;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.4rem; }
.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 1.25rem;
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.demo-note {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sky);
}

/* Floating WhatsApp */
.wa-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 50;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: white;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s var(--ease);
}
.wa-float:hover { transform: scale(1.06); color: white; }
.wa-float svg { width: 28px; height: 28px; fill: currentColor; }

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--white);
    padding: 1rem 1.25rem 1.25rem;
    border-bottom: 1px solid var(--line);
    gap: 0.75rem;
  }
  .nav-links.open { display: flex; }
  .split, .split.reverse,
  .audience-grid, .teacher, .schedule-wrap,
  .ad-hero .container, .footer-grid, .steps {
    grid-template-columns: 1fr;
  }
  .split.reverse > :first-child { order: 0; }
  .level:nth-child(n) { margin-inline-start: 0; }
  .hero { min-height: 92dvh; padding-top: 4rem; }
  .stats { grid-template-columns: 1fr; }
}