/* assets/css/login.css — landing page & modal login */

.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex; flex-direction: column;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(217,154,43,.10), transparent),
    radial-gradient(900px 500px at -10% 110%, rgba(15,110,95,.10), transparent),
    var(--color-bg);
}

.hero-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 0;
}
.hero-nav .brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; letter-spacing: -.01em; }
.hero-nav .brand .dot { width: 10px; height: 10px; border-radius: 3px; background: var(--color-accent); }

.hero-main {
  flex: 1;
  display: flex; align-items: center;
  padding: 40px 0 60px;
}
.hero-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 56px 48px;
  max-width: 640px;
  width: 100%;
}
.hero-eyebrow {
  font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--color-primary); margin-bottom: 14px;
}
.hero-title { font-size: 40px; font-weight: 800; line-height: 1.15; margin: 0 0 14px; letter-spacing: -.01em; }
.hero-meta { font-size: 15px; color: var(--color-text-muted); margin-bottom: 4px; }
.hero-dosen { font-size: 15px; margin-top: 18px; font-weight: 600; }
.hero-actions { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.hero-actions .btn { padding: 14px 26px; font-size: 15px; }

.hero-footer { padding: 18px 0 26px; text-align: center; color: var(--color-text-muted); font-size: 13px; }

@media (max-width: 720px) {
  .hero-card { padding: 34px 24px; border-radius: var(--radius-md); }
  .hero-title { font-size: 30px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
}

/* ---- Modal login khusus ---- */
#modal-login .modal-title { font-size: 20px; font-weight: 800; margin: 0 0 4px; }
#modal-login .modal-sub { font-size: 13px; color: var(--color-text-muted); margin-bottom: 22px; }
#modal-login .modal-actions { display: flex; gap: 10px; margin-top: 8px; }
#modal-login .modal-actions .btn { flex: 1; }

/* =====================================================================
   LANDING SEBAGAI MINI-PRESENTASI FULLSCREEN (slide 1: judul mapel,
   slide 2: perkenalan dosen, slide terakhir: ajakan mulai/login)
   ===================================================================== */
.intro-wrap {
  position: relative;
  width: 100vw; height: 100vh; height: 100dvh;
  overflow: hidden;
  background: var(--color-bg);
}
.intro-track {
  display: flex; height: 100%;
  transition: transform .45s cubic-bezier(.65,0,.35,1);
  touch-action: pan-y;
}
.intro-slide {
  flex: 0 0 100vw; width: 100vw; height: 100%;
  display: flex; align-items: center; justify-content: center;
  padding: 40px 24px;
  background:
    radial-gradient(1100px 560px at 85% -10%, rgba(217,154,43,.10), transparent),
    radial-gradient(900px 500px at -10% 110%, rgba(15,110,95,.10), transparent),
    var(--color-bg);
}
.intro-slide-alt {
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(15,110,95,.12), transparent),
    var(--color-bg);
}
.intro-slide-inner { max-width: 640px; text-align: center; }
.intro-title { font-size: 44px; font-weight: 800; line-height: 1.15; margin: 0 0 14px; letter-spacing: -.01em; }
.intro-meta { font-size: 16px; color: var(--color-text-muted); margin-bottom: 4px; }
.intro-photo {
  width: 140px; height: 140px; border-radius: 50%; object-fit: cover;
  margin: 0 auto 20px; border: 4px solid var(--color-surface); box-shadow: var(--shadow-md);
}

.intro-login-btn {
  position: fixed; top: 20px; right: 20px; z-index: 40;
  background: var(--color-surface); border: 1px solid var(--color-border);
  padding: 10px 18px; border-radius: var(--radius-sm); font-weight: 700; font-size: 13px;
  cursor: pointer; box-shadow: var(--shadow-sm);
}

.intro-dots {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px; z-index: 40;
}
.intro-dots .dot-btn {
  width: 8px; height: 8px; border-radius: 50%; background: var(--color-border);
  border: none; cursor: pointer; padding: 0; transition: background .15s ease, width .15s ease;
}
.intro-dots .dot-btn.active { background: var(--color-primary); width: 22px; border-radius: 999px; }

.intro-arrow {
  position: fixed; top: 50%; transform: translateY(-50%); z-index: 40;
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--color-surface); border: 1px solid var(--color-border);
  font-size: 18px; cursor: pointer; box-shadow: var(--shadow-sm);
  display: flex; align-items: center; justify-content: center;
}
.intro-arrow-left { left: 18px; }
.intro-arrow-right { right: 18px; }
.intro-arrow[disabled] { opacity: .3; cursor: default; }

@media (max-width: 720px) {
  .intro-title { font-size: 30px; }
  .intro-meta { font-size: 14px; }
  .intro-arrow { display: none; }
  .intro-login-btn { padding: 8px 14px; font-size: 12px; }
}