/* ─── Landing Page Styles ────────────────────────────────────────────────── */

/* ── Navbar ──────────────────────────────────────────────────────────────── */
.lp-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.lp-nav-brand {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none;
}
.lp-nav-brand .nav-logo-svg { flex-shrink: 0; }
.lp-nav-brand .nav-wordmark {
  font-family: 'Oswald', sans-serif;
  font-size: 1.35rem; letter-spacing: 3px; font-weight: 700;
  color: var(--text-primary); line-height: 1;
}
.lp-nav-brand .nav-sub {
  font-size: .6rem; letter-spacing: 2px;
  color: var(--text-muted); text-transform: uppercase;
}
.lp-nav-links {
  display: flex; align-items: center; gap: 28px;
  list-style: none;
}
.lp-nav-links a {
  font-size: .82rem; letter-spacing: 1.2px; text-transform: uppercase;
  color: var(--text-secondary); transition: color .2s;
}
.lp-nav-links a:hover { color: var(--accent); }
.lp-nav-cta {
  display: flex; align-items: center; gap: 10px;
}
.lp-nav-cta .btn-ghost {
  font-size: .8rem; letter-spacing: 1.2px; text-transform: uppercase;
  color: var(--text-secondary); padding: 8px 16px; border: 1px solid var(--border-light);
  border-radius: var(--radius); transition: all .2s;
}
.lp-nav-cta .btn-ghost:hover { color: var(--accent); border-color: var(--accent); }
.lp-nav-cta .btn-solid {
  font-size: .8rem; letter-spacing: 1.2px; text-transform: uppercase;
  background: var(--accent); color: #ffffff; font-weight: 700;
  padding: 8px 18px; border-radius: var(--radius); transition: all .2s;
}
.lp-nav-cta .btn-solid:hover { background: #b8d44a; color: #ffffff; }

/* ── Hero ────────────────────────────────────────────────────────────────── */
.lp-hero {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: 100px 24px 80px;
  overflow: hidden;
}
.lp-hero::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; z-index: 3;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--bg-primary));
  pointer-events: none;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('../../wallpaper.png');
  background-size: cover; background-position: center;
  filter: brightness(.28) saturate(.6);
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(to bottom, rgba(10,10,8,.20) 0%, rgba(10,10,8,.60) 60%, rgba(10,10,8,.88) 100%),
    radial-gradient(ellipse 70% 60% at 50% 40%, rgba(143,168,50,.08) 0%, transparent 70%);
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 820px; margin: 0 auto;
  animation: fadeSlideUp .8s ease both;
}

/* Map coordinates decoration */
.hero-coords {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: .72rem; letter-spacing: 2.5px;
  color: var(--accent); text-transform: uppercase; opacity: .8;
  margin-bottom: 24px;
}
.hero-coords::before,
.hero-coords::after {
  content: ''; display: block;
  width: 28px; height: 1px; background: var(--accent); opacity: .5;
}

/* System status badge */
.hero-status {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .7rem; letter-spacing: 2px; text-transform: uppercase;
  color: rgba(255,255,255,.55); margin-bottom: 32px;
}
.status-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: glow-pulse 2s ease-in-out infinite;
}

.hero-badge {
  display: inline-block; margin-bottom: 20px;
  font-size: .7rem; letter-spacing: 3px; text-transform: uppercase;
  color: var(--accent); border: 1px solid rgba(143,168,50,.3);
  padding: 5px 16px; border-radius: 2px;
  background: rgba(143,168,50,.06);
}

.hero-title {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  line-height: 1.05; letter-spacing: 4px; font-weight: 800;
  color: #fff;
  text-shadow: 0 2px 40px rgba(0,0,0,.8);
  margin-bottom: 10px;
}
.hero-title .accent { color: var(--accent); }

.hero-sub {
  font-size: clamp(.88rem, 1.8vw, 1.05rem);
  color: rgba(255,255,255,.75); max-width: 560px; margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex; align-items: center; justify-content: center;
  gap: 14px; flex-wrap: wrap;
}
.hero-actions .btn-hero-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--accent); color: #ffffff; font-weight: 700;
  font-size: .88rem; letter-spacing: 1.8px; text-transform: uppercase;
  padding: 14px 34px; border-radius: var(--radius);
  box-shadow: 0 0 28px rgba(143,168,50,.35);
  transition: all .2s;
}
.hero-actions .btn-hero-primary:hover {
  background: #b8d44a;
  box-shadow: 0 0 40px rgba(143,168,50,.55);
  transform: translateY(-1px);
  color: #ffffff;
}
.hero-actions .btn-hero-outline {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(143,168,50,.4); color: var(--accent);
  font-size: .85rem; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 13px 28px; border-radius: var(--radius);
  transition: all .2s;
}
.hero-actions .btn-hero-outline:hover {
  background: rgba(143,168,50,.08);
  border-color: var(--accent);
}

/* Tactical corner decorations */
.hero-corner {
  position: absolute; z-index: 4;
  width: 60px; height: 60px;
}
.hero-corner.tl { top: 80px; left: 40px; border-top: 2px solid rgba(255,255,255,.25); border-left: 2px solid rgba(255,255,255,.25); }
.hero-corner.tr { top: 80px; right: 40px; border-top: 2px solid rgba(255,255,255,.25); border-right: 2px solid rgba(255,255,255,.25); }
.hero-corner.bl { bottom: 60px; left: 40px; border-bottom: 2px solid rgba(255,255,255,.25); border-left: 2px solid rgba(255,255,255,.25); }
.hero-corner.br { bottom: 60px; right: 40px; border-bottom: 2px solid rgba(255,255,255,.25); border-right: 2px solid rgba(255,255,255,.25); }

/* Hero stats strip */
.hero-stats {
  position: relative; z-index: 4;
  display: flex; justify-content: center; gap: 0;
  margin-top: 60px;
  border-top: 1px solid rgba(255,255,255,.15);
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.hero-stat {
  padding: 18px 48px;
  border-right: 1px solid rgba(255,255,255,.15);
  text-align: center;
}
.hero-stat:last-child { border-right: none; }
.hero-stat-value {
  font-family: 'Oswald', sans-serif;
  font-size: 2rem; letter-spacing: 2px; font-weight: 700;
  color: var(--accent); line-height: 1;
}
.hero-stat-label {
  font-size: .68rem; letter-spacing: 2px; text-transform: uppercase;
  color: rgba(255,255,255,.65); margin-top: 4px;
}

/* ── Feature Cards ────────────────────────────────────────────────────────── */
.lp-features {
  padding: 80px 24px;
  max-width: 1100px; margin: 0 auto;
}
.section-label {
  text-align: center;
  font-size: .7rem; letter-spacing: 3.5px; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
}
.section-title {
  text-align: center;
  font-family: 'Oswald', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem); letter-spacing: 3px; font-weight: 700;
  color: var(--text-primary); margin-bottom: 48px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.feature-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: border-color .25s, transform .25s;
  overflow: hidden;
}
.feature-card:hover {
  border-color: rgba(143,168,50,.35);
  transform: translateY(-3px);
}
/* Corner bracket decoration */
.feature-card::before,
.feature-card::after {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
}
.feature-card::before {
  top: 10px; left: 10px;
  border-top: 1.5px solid rgba(143,168,50,.4);
  border-left: 1.5px solid rgba(143,168,50,.4);
}
.feature-card::after {
  bottom: 10px; right: 10px;
  border-bottom: 1.5px solid rgba(143,168,50,.4);
  border-right: 1.5px solid rgba(143,168,50,.4);
}
.feature-card-icon {
  width: 48px; height: 48px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 20px;
}
.feature-card-title {
  font-family: 'Oswald', sans-serif;
  font-size: 1.25rem; letter-spacing: 2px; font-weight: 700;
  color: var(--text-primary); margin-bottom: 10px;
}
.feature-card-text {
  font-size: .85rem; color: var(--text-secondary); line-height: 1.7;
}

/* ── How It Works / Mock Quiz ─────────────────────────────────────────────── */
.lp-how {
  padding: 80px 24px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.lp-how-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.how-steps { display: flex; flex-direction: column; gap: 28px; }
.how-step {
  display: flex; gap: 18px; align-items: flex-start;
}
.step-num {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Oswald', sans-serif; font-size: 1rem; letter-spacing: 1px; font-weight: 700;
  color: var(--accent); line-height: 1;
}
.how-step-body h3 {
  font-size: .92rem; font-weight: 600; color: var(--text-primary); margin-bottom: 5px;
}
.how-step-body p {
  font-size: .82rem; color: var(--text-secondary); line-height: 1.6;
}

/* Mock quiz preview */
.mock-quiz {
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
}
.mock-quiz::before {
  content: ''; position: absolute;
  top: 10px; left: 10px; width: 14px; height: 14px;
  border-top: 1.5px solid rgba(143,168,50,.4);
  border-left: 1.5px solid rgba(143,168,50,.4);
}
.mock-quiz::after {
  content: ''; position: absolute;
  bottom: 10px; right: 10px; width: 14px; height: 14px;
  border-bottom: 1.5px solid rgba(143,168,50,.4);
  border-right: 1.5px solid rgba(143,168,50,.4);
}
.mock-quiz-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 18px;
}
.mock-quiz-tag {
  font-size: .65rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent); border: 1px solid rgba(143,168,50,.3);
  padding: 3px 10px; border-radius: 2px;
}
.mock-quiz-prog {
  font-size: .7rem; color: var(--text-muted); font-family: var(--mono);
}
.mock-quiz-q {
  font-size: .92rem; font-weight: 500; color: var(--text-primary);
  margin-bottom: 18px; line-height: 1.6;
}
.mock-answers { display: flex; flex-direction: column; gap: 9px; }
.mock-answer {
  padding: 10px 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  font-size: .82rem; color: var(--text-secondary);
  display: flex; align-items: center; gap: 10px;
  cursor: default;
}
.mock-answer.correct {
  border-color: rgba(34,197,94,.5);
  background: rgba(34,197,94,.07);
  color: #86efac;
}
.mock-answer.wrong {
  border-color: rgba(244,63,94,.4);
  background: rgba(244,63,94,.06);
  color: #fca5a5;
}
.mock-answer-dot {
  width: 16px; height: 16px; border-radius: 50%; flex-shrink: 0;
  border: 1.5px solid currentColor;
  display: flex; align-items: center; justify-content: center;
  font-size: .6rem;
}
.mock-answer.correct .mock-answer-dot::after { content: '✓'; }
.mock-answer.wrong  .mock-answer-dot::after { content: '✗'; }

/* Mastery bar preview */
.mock-mastery {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.mock-mastery-label {
  font-size: .65rem; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 8px;
}
.mock-mastery-bar {
  display: flex; height: 6px; border-radius: 3px; overflow: hidden; gap: 2px;
}
.mock-mastery-bar span {
  height: 100%; border-radius: 2px; transition: width .8s ease;
}

/* ── CTA Section ─────────────────────────────────────────────────────────── */
.lp-cta {
  padding: 100px 24px;
  text-align: center;
}
.lp-cta-inner { max-width: 600px; margin: 0 auto; }
.lp-cta h2 {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: 4px; font-weight: 800;
  color: var(--text-primary); margin-bottom: 16px;
}
.lp-cta p {
  font-size: .92rem; color: var(--text-secondary); margin-bottom: 36px; line-height: 1.7;
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
.lp-footer {
  border-top: 1px solid var(--border);
  padding: 24px 40px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.lp-footer-copy {
  font-size: .75rem; color: var(--text-muted); letter-spacing: .8px;
}
.lp-footer-links {
  display: flex; gap: 20px; list-style: none;
}
.lp-footer-links a {
  font-size: .75rem; color: var(--text-muted); letter-spacing: .8px;
  transition: color .2s;
}
.lp-footer-links a:hover { color: var(--accent); }

/* ── Auth page styles ─────────────────────────────────────────────────────── */
.auth-page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 80px 16px 40px;
  background: var(--bg-secondary);
}
.auth-container {
  width: 100%; max-width: 420px;
}
.auth-logo {
  text-align: center; margin-bottom: 28px;
}
@keyframes svg-glow {
  0%, 100% { filter: drop-shadow(0 0 6px rgba(143,168,50,.5)) drop-shadow(0 0 2px rgba(143,168,50,.3)); }
  50%       { filter: drop-shadow(0 0 14px rgba(143,168,50,.8)) drop-shadow(0 0 4px rgba(143,168,50,.5)); }
}
.logo-icon {
  display: inline-block;
  filter: none;
  animation: none;
  margin-bottom: 0;
}
.auth-logo svg {
  animation: svg-glow 3s ease-in-out infinite;
}
.logo-sub {
  font-size: .68rem; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--text-muted); margin-top: 4px;
}
.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
}
.auth-card h2 {
  font-family: 'Oswald', sans-serif;
  font-size: 1.6rem; letter-spacing: 3px; font-weight: 700;
  margin-bottom: 22px; text-align: center;
}
.auth-switch {
  text-align: center; margin-top: 18px;
  font-size: .82rem; color: var(--text-secondary);
}
.auth-features {
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: center; margin-top: 28px;
}
.auth-features .feature-item {
  display: flex; align-items: center; gap: 8px;
  font-size: .75rem; color: var(--text-muted); letter-spacing: .5px;
  background: var(--bg-card); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: 20px;
}
.auth-features .feature-icon { font-size: 1rem; }

/* ── Responsive ──────────────────────────────────────────────────────────── */

/* Tablet */
@media (max-width: 900px) {
  .lp-how-inner { grid-template-columns: 1fr; gap: 36px; }
  .mock-quiz { order: -1; }
}

/* Mobile */
@media (max-width: 768px) {
  .lp-nav { padding: 0 16px; }
  .lp-nav-links { display: none; }
  .hero-corner { display: none; }

  .lp-hero {
    flex-direction: column;
    padding: 88px 16px 48px;
  }
  .lp-features { padding: 56px 16px; }
  .lp-how     { padding: 56px 16px; }
  .lp-cta     { padding: 64px 16px; }

  /* Buttons stack & go full width */
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .hero-actions .btn-hero-primary,
  .hero-actions .btn-hero-outline {
    justify-content: center;
    padding: 14px 20px;
  }

  /* Stats: 2×2 grid */
  .hero-stats {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-top: 36px;
    border: 1px solid rgba(143,168,50,.1);
    border-radius: var(--radius);
    overflow: hidden;
  }
  .hero-stat {
    padding: 16px 12px;
    border-right: none;
    border-bottom: none;
  }
  .hero-stat:nth-child(odd)  { border-right: 1px solid rgba(143,168,50,.1); }
  .hero-stat:nth-child(1),
  .hero-stat:nth-child(2)    { border-bottom: 1px solid rgba(143,168,50,.1); }

  .lp-footer { flex-direction: column; align-items: center; text-align: center; padding: 20px 16px; }
}

/* Small phones */
@media (max-width: 480px) {
  .lp-nav-cta .btn-ghost { display: none; }
  .lp-nav-cta .btn-solid { padding: 7px 14px; font-size: .75rem; }

  .hero-coords { font-size: .58rem; letter-spacing: 1.2px; }
  .hero-coords::before,
  .hero-coords::after  { width: 14px; }
  .hero-status { font-size: .58rem; letter-spacing: 1px; }
  .hero-badge  { font-size: .6rem; letter-spacing: 1.5px; padding: 4px 12px; }

  .hero-sub { font-size: .84rem; margin-bottom: 32px; }

  .mock-mastery-labels { font-size: .52rem !important; }
  .feature-grid { gap: 12px; }
  .feature-card { padding: 24px 20px; }
  .lp-cta p { font-size: .86rem; }
}