/* ─── PASSAIEXAM SHARED STYLES ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #08090E;
  --bg2: #0E1018;
  --bg3: #141722;
  --sf: #171B28;
  --sf2: #1E2336;
  --tx: #EAEDF6;
  --tx2: #8B92A8;
  --tx3: #555D75;
  --ac: #4F7BF7;
  --ac2: #7DA0FF;
  --ac-glow: rgba(79,123,247,0.12);
  --gn: #34C77B;
  --em: #2AB06A;
  --gd: #E8A838;
  --gd2: #F5C563;
  --gd-glow: rgba(232,168,56,0.1);
  --red: #F04444;
  --purple: #8B5CF6;
  --blue: #4F7BF7;
  --bd: #1A1E2E;
  --bd2: #282D40;
  --r: 10px;
}

[data-theme="light"] {
  --bg: #F8F9FC; --bg2: #EFF1F5; --bg3: #E5E8EF;
  --sf: #FFFFFF; --sf2: #F0F2F7;
  --tx: #111827; --tx2: #4B5563; --tx3: #9CA3AF;
  --ac: #3B6EE6; --ac2: #2B5BD4; --ac-glow: rgba(59,110,230,0.08);
  --gn: #1A9D5C; --em: #158A50;
  --gd: #C78B1E; --gd2: #B47D18; --gd-glow: rgba(199,139,30,0.08);
  --red: #DC2626; --purple: #7C3AED; --blue: #3B6EE6;
  --bd: #E5E7EB; --bd2: #D1D5DB;
}

[data-theme="light"] nav { background: rgba(248,249,252,0.9); }
[data-theme="light"] .btn-ac { color: #fff; }
[data-theme="light"] .btn-green, [data-theme="light"] .nav-cta { color: #fff !important; }

html { scroll-behavior: smooth; }
body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg);
  color: var(--tx);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.ctn { max-width: 1100px; margin: 0 auto; padding: 0 28px; }

/* ─── NAV ─── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(8,9,14,0.88); backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--bd);
}
nav .inner {
  max-width: 1100px; margin: 0 auto; padding: 13px 28px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo { text-decoration: none; display: flex; align-items: center; gap: 3px; }
.logo-p { font-weight: 700; font-size: 1.15rem; color: var(--gn); letter-spacing: -0.03em; }
.logo-a { font-weight: 300; font-size: 1.15rem; color: var(--tx); letter-spacing: -0.03em; }
.logo-e { font-weight: 700; font-size: 1.15rem; color: var(--tx); letter-spacing: -0.03em; }
nav ul { display: flex; gap: 26px; list-style: none; }
nav ul a { text-decoration: none; color: var(--tx2); font-size: 0.84rem; font-weight: 500; transition: color 0.2s; letter-spacing: 0.01em; }
nav ul a:hover { color: var(--tx); }
.nav-cta {
  background: var(--ac); color: #fff; padding: 9px 22px; border-radius: 8px;
  font-weight: 600; font-size: 0.84rem; cursor: pointer; text-decoration: none; transition: all 0.2s;
}
.nav-cta:hover { background: var(--ac2); }
.mob-tog { display: none; background: none; border: none; color: var(--tx); font-size: 1.3rem; cursor: pointer; }

/* ─── MOBILE MENU ─── */
.mobile-menu {
  display: none; position: fixed; top: 52px; left: 0; right: 0;
  background: var(--bg2); border-bottom: 1px solid var(--bd2);
  padding: 8px 0; z-index: 99;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block; padding: 14px 28px; color: var(--tx2);
  text-decoration: none; font-size: 0.92rem;
}
.mm-cta {
  display: block; padding: 12px; margin: 8px 20px;
  background: var(--ac); color: #fff; text-align: center;
  border-radius: 8px; font-weight: 600; text-decoration: none;
}

/* ─── HERO ─── */
.hero { padding: 160px 0 80px; position: relative; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; top: -80px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 600px;
  background: radial-gradient(ellipse, rgba(79,123,247,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1fr 400px; gap: 48px; align-items: center; }
.hero-ey {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.68rem;
  text-transform: uppercase; letter-spacing: 3.5px; color: var(--ac2);
  margin-bottom: 16px; display: flex; align-items: center; gap: 10px;
}
.hero-ey::before { content: ''; width: 28px; height: 2px; background: var(--ac); }
.hero h1 {
  font-family: 'Newsreader', serif; font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 500; line-height: 1.14; margin-bottom: 16px; letter-spacing: -0.02em;
}
.hero h1 .hl {
  background: linear-gradient(135deg, var(--ac), var(--ac2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero .sub { font-size: 1rem; color: var(--tx2); margin-bottom: 28px; font-weight: 300; max-width: 480px; }
.hero-actions { display: flex; gap: 12px; margin-bottom: 28px; flex-wrap: wrap; }
.hero-svg-wrap { display: flex; align-items: center; justify-content: center; }

/* ─── BUTTONS ─── */
.btn-ac {
  background: var(--ac); color: #fff; padding: 13px 28px; border-radius: var(--r);
  font-weight: 600; font-size: 0.9rem; text-decoration: none; transition: all 0.25s;
  border: none; cursor: pointer;
}
.btn-ac:hover { background: var(--ac2); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(79,123,247,0.2); }
.btn-green {
  background: var(--gn); color: var(--bg); padding: 14px 30px; border-radius: 10px;
  font-weight: 600; font-size: 0.92rem; text-decoration: none; transition: all 0.25s;
  border: none; cursor: pointer;
}
.btn-green:hover { background: var(--em); transform: translateY(-1px); box-shadow: 0 8px 28px rgba(52,199,123,0.2); }
.btn-gh {
  background: transparent; color: var(--tx2); padding: 13px 28px; border-radius: var(--r);
  font-weight: 500; font-size: 0.9rem; text-decoration: none;
  border: 1px solid var(--bd2); transition: all 0.2s;
}
.btn-gh:hover { border-color: var(--tx3); color: var(--tx); }
.btn-ghost {
  background: transparent; color: var(--tx2); padding: 14px 30px; border-radius: 10px;
  font-weight: 500; font-size: 0.92rem; text-decoration: none; transition: all 0.2s;
  border: 1px solid var(--bd2);
}
.btn-ghost:hover { border-color: var(--tx3); color: var(--tx); }

/* ─── TAGS ─── */
.htag {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.62rem;
  padding: 4px 10px; border-radius: 4px;
  background: var(--sf); border: 1px solid var(--bd);
  color: var(--tx3); letter-spacing: 0.04em;
}
.new-badge {
  display: inline-block; font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem; letter-spacing: 1.5px;
  background: rgba(16,185,129,0.12); color: var(--ac);
  padding: 3px 10px; border-radius: 4px; margin-left: 8px; vertical-align: middle;
}
.prereq-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem;
  padding: 6px 14px; border-radius: 6px;
  background: rgba(139,92,246,0.1); border: 1px solid rgba(139,92,246,0.3);
  color: var(--ac2); margin-bottom: 20px;
}

/* ─── SECTIONS ─── */
.sec { padding: 80px 0; }
.sec-bd { border-top: 1px solid var(--bd); }
.sec-ey {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.66rem;
  text-transform: uppercase; letter-spacing: 3.5px; color: var(--ac2); margin-bottom: 10px;
}
.sec-t {
  font-family: 'Newsreader', serif; font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 500; margin-bottom: 12px; letter-spacing: -0.02em;
}
.sec-s { color: var(--tx2); max-width: 560px; margin-bottom: 44px; font-weight: 300; }

/* ─── EXAM TABLE ─── */
.exam-tbl { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
.exam-tbl td { padding: 12px 16px; font-size: 0.86rem; border-bottom: 1px solid var(--bd); }
.exam-tbl td:first-child { color: var(--tx3); font-weight: 500; width: 40%; }
.exam-tbl td:last-child { font-weight: 500; }

/* ─── DOMAIN CARDS ─── */
.dom-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 32px; }
.dom-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.dom-card {
  background: var(--sf); border: 1px solid var(--bd); border-radius: var(--r);
  padding: 24px; transition: all 0.3s; position: relative; overflow: hidden;
}
.dom-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.dom-card:hover { border-color: var(--bd2); transform: translateY(-2px); }
.dom-num { font-family: 'IBM Plex Mono', monospace; font-size: 0.62rem; color: var(--tx3); letter-spacing: 2px; margin-bottom: 6px; }
.dom-name { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.dom-meta { font-size: 0.78rem; color: var(--tx3); margin-bottom: 10px; }
.dom-desc { font-size: 0.82rem; color: var(--tx2); font-weight: 300; line-height: 1.6; }

/* ─── LESSON MAP ─── */
.lmap { margin-top: 36px; }
.lmap-domain { margin-bottom: 28px; }
.lmap-dhead { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.lmap-dot { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.lmap-dtitle { font-weight: 600; font-size: 0.92rem; }
.lmap-days { font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; color: var(--tx3); margin-left: auto; }
.lmap-lessons { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 8px; }
.lmap-item {
  display: flex; align-items: baseline; gap: 8px; padding: 8px 12px;
  background: var(--sf); border: 1px solid var(--bd); border-radius: 6px; font-size: 0.8rem;
}
.lmap-num { font-family: 'IBM Plex Mono', monospace; font-size: 0.68rem; color: var(--tx3); min-width: 28px; }
.lmap-title { font-weight: 400; color: var(--tx2); }

/* ─── PRICING ─── */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.price-card {
  background: var(--sf); border: 1px solid var(--bd); border-radius: 14px;
  padding: 28px 24px; display: flex; flex-direction: column; transition: all 0.3s;
}
.price-card:hover { border-color: var(--bd2); transform: translateY(-2px); }
.price-card.featured { border-color: var(--ac); position: relative; }
.price-card.featured::before {
  content: 'MOST POPULAR'; position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  font-family: 'IBM Plex Mono', monospace; font-size: 0.58rem; letter-spacing: 2px;
  background: var(--ac); color: #fff; padding: 3px 14px; border-radius: 4px;
}
.pc-name { font-weight: 600; font-size: 1rem; margin-bottom: 4px; }
.pc-price { font-family: 'Newsreader', serif; font-size: 2.4rem; font-weight: 500; margin-bottom: 4px; }
.pc-note { font-size: 0.74rem; color: var(--tx3); margin-bottom: 18px; }
.pc-list { list-style: none; flex: 1; }
.pc-list li {
  font-size: 0.82rem; color: var(--tx2); padding: 6px 0;
  display: flex; align-items: baseline; gap: 8px; font-weight: 300;
}
.pc-list li::before { content: '\2713'; color: var(--ac); font-weight: 700; font-size: 0.7rem; }
.pc-btn {
  display: block; text-align: center; padding: 12px; border-radius: 8px;
  font-weight: 600; font-size: 0.86rem; text-decoration: none; margin-top: 20px; transition: all 0.2s;
}
.pc-btn-outline { border: 1px solid var(--bd2); color: var(--tx2); background: transparent; }
.pc-btn-outline:hover { border-color: var(--ac); color: var(--ac2); }
.pc-btn-fill { background: var(--ac); color: #fff; border: none; }
.pc-btn-fill:hover { background: var(--ac2); }

/* ─── WHO GRID ─── */
.who-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 32px; }
.who-item {
  display: flex; align-items: center; gap: 12px; padding: 14px 18px;
  background: var(--sf); border: 1px solid var(--bd); border-radius: 8px;
}
.who-icon {
  font-size: 1.1rem; width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--sf2); border-radius: 8px; flex-shrink: 0;
}
.who-text { font-size: 0.84rem; font-weight: 400; color: var(--tx2); }

/* ─── FAQ ─── */
.faq-i { border-bottom: 1px solid var(--bd); }
.faq-q {
  width: 100%; background: none; border: none; color: var(--tx);
  padding: 18px 0; font-size: 0.92rem; font-weight: 500; cursor: pointer;
  text-align: left; display: flex; justify-content: space-between;
  align-items: center; font-family: 'Outfit', sans-serif;
}
.faq-q::after { content: '+'; font-size: 1.3rem; color: var(--tx3); }
.faq-q.open::after { content: '\2212'; color: var(--ac2); }
.faq-ans { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-ans p {
  padding: 0 0 18px; font-size: 0.84rem; color: var(--tx2);
  line-height: 1.7; font-weight: 300;
}

/* ─── CTA ─── */
.cta-sec { padding: 100px 0; text-align: center; }
.cta-sec h2 {
  font-family: 'Newsreader', serif; font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 500; margin-bottom: 14px;
}
.cta-sec p {
  color: var(--tx2); margin-bottom: 28px; max-width: 460px;
  margin-left: auto; margin-right: auto; font-weight: 300;
}

/* ─── FOOTER ─── */
footer { border-top: 1px solid var(--bd); padding: 56px 0 36px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 40px; }
.footer-brand p { font-size: 0.78rem; color: var(--tx3); margin-top: 8px; max-width: 280px; font-weight: 300; line-height: 1.6; }
.footer-col h4 {
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 2px;
  color: var(--tx3); margin-bottom: 12px; font-family: 'IBM Plex Mono', monospace;
}
.footer-col a {
  display: block; font-size: 0.8rem; color: var(--tx2); text-decoration: none;
  margin-bottom: 8px; font-weight: 300; transition: color 0.2s;
}
.footer-col a:hover { color: var(--tx); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--bd); font-size: 0.72rem; color: var(--tx3);
}
.theme-toggle { display: flex; gap: 4px; }
.theme-toggle button {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.63rem;
  padding: 4px 10px; background: var(--sf); border: 1px solid var(--bd);
  border-radius: 5px; color: var(--tx3); cursor: pointer; transition: all 0.2s;
}
.theme-toggle button:hover { border-color: var(--bd2); }
.theme-toggle button.active { border-color: var(--gn); color: var(--gn); }

/* ─── ANIMATIONS ─── */
@keyframes fadeIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
.fade { animation: fadeIn 0.5s ease-out forwards; }
.d1 { animation-delay: 0.05s; opacity: 0; }
.d2 { animation-delay: 0.1s; opacity: 0; }
.d3 { animation-delay: 0.15s; opacity: 0; }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  nav ul, .nav-cta { display: none; }
  .mob-tog { display: block; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-svg-wrap { display: none; }
  .dom-grid, .dom-grid.cols-3, .price-grid, .who-grid { grid-template-columns: 1fr; }
  .lmap-lessons { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
}