/**
 * public/css/landing.css
 * ============================================================================
 * PART 35 — Landing Page: Styling.
 *
 * Lanjutan PART 34 (struktur & konten `views/landing/index.ejs`). File ini
 * berisi SELURUH styling visual landing page (dipisah dari `theme.css` PART 11
 * karena `theme.css` didesain untuk mode auto/dark/light dashboard, sedangkan
 * landing publik SENGAJA 1 tema visual tetap gelap, keputusan yang sudah
 * diambil sejak PART 34 — konsisten dengan auth/docs pages).
 *
 * Variabel warna aksen (--color-primary/danger/success/warning) TETAP di-set
 * inline di <head> `views/landing/index.ejs` (nilainya dinamis dari runtime
 * settings admin, butuh EJS, tidak bisa taruh di file statis ini) — file ini
 * hanya MEMBACA variabel tsb lewat var(--color-primary) dst, pola sama yang
 * dipakai `theme.css` untuk dashboard.
 *
 * Variabel warna netral (background/border/text) didefinisikan di sini
 * sebagai CSS variables lokal (--ln-*) supaya konsisten & gampang disetel,
 * nilainya SAMA PERSIS dengan warna gelap yang sudah dipakai PART 34 (tidak
 * mengubah identitas visual yang sudah ada, hanya merapikan sumbernya).
 * ============================================================================
 */

:root {
  --ln-bg: #0b1220;
  --ln-bg-soft: radial-gradient(ellipse 900px 500px at 50% -10%, rgba(37, 99, 235, 0.16), transparent 60%);
  --ln-surface: #0f172a;
  --ln-surface-alt: #111827;
  --ln-border: #1f2937;
  --ln-border-strong: #2b3646;
  --ln-text: #f9fafb;
  --ln-text-secondary: #cbd5e1;
  --ln-text-muted: #9ca3af;
  --ln-text-faint: #6b7280;
  --ln-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --ln-shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.25);
  --ln-radius-lg: 18px;
  --ln-radius-md: 14px;
  --ln-radius-sm: 10px;
  --ln-max-width: 1080px;
  --ln-transition: 180ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--ln-bg-soft), var(--ln-bg);
  background-attachment: fixed;
  color: var(--ln-text-secondary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
}

img {
  max-width: 100%;
  display: block;
}

::selection {
  background: rgba(var(--color-primary-rgb, 37, 99, 235), 0.35);
  color: #fff;
}

.container {
  max-width: var(--ln-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================================================================
 * TOMBOL
 * ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 13px 26px;
  border-radius: var(--ln-radius-sm);
  font-weight: 600;
  font-size: 14.5px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--ln-transition), box-shadow var(--ln-transition),
    background var(--ln-transition), border-color var(--ln-transition), opacity var(--ln-transition);
}
.btn:hover {
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(0);
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(var(--color-primary-rgb, 37, 99, 235), 0.35);
}
.btn-primary:hover {
  filter: brightness(1.08);
  box-shadow: 0 8px 22px rgba(var(--color-primary-rgb, 37, 99, 235), 0.45);
}
.btn-ghost {
  background: transparent;
  color: var(--ln-text-secondary);
  border-color: var(--ln-border-strong);
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--ln-text);
  background: rgba(255, 255, 255, 0.03);
}

/* ============================================================================
 * TOPBAR
 * ========================================================================== */
.landing-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(11, 18, 32, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ln-border);
}
.landing-topbar .brand {
  font-weight: 700;
  font-size: 17px;
  color: var(--ln-text);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.landing-topbar .brand .tag {
  display: block;
  font-size: 11.5px;
  font-weight: 400;
  color: var(--ln-text-muted);
}
.landing-topbar .nav-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}
.landing-topbar .nav-actions a.link {
  color: var(--ln-text-secondary);
  text-decoration: none;
  font-size: 14px;
  margin-right: 4px;
  transition: color var(--ln-transition);
}
.landing-topbar .nav-actions a.link:hover {
  color: var(--ln-text);
}

/* ============================================================================
 * HERO
 * ========================================================================== */
.hero {
  position: relative;
  padding: 88px 0 64px 0;
  text-align: center;
  overflow: hidden;
}
.hero .eyebrow {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(var(--color-primary-rgb, 37, 99, 235), 0.15);
  border: 1px solid rgba(var(--color-primary-rgb, 37, 99, 235), 0.3);
  color: #93c5fd;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 22px;
}
.hero h1 {
  font-size: 44px;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--ln-text);
  margin: 0 0 18px 0;
}
.hero h1 .accent {
  background: linear-gradient(90deg, var(--color-primary), #93c5fd);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.subtitle {
  max-width: 620px;
  margin: 0 auto 30px auto;
  color: var(--ln-text-muted);
  font-size: 16.5px;
}
.hero .hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero .hero-note {
  margin-top: 18px;
  font-size: 12.5px;
  color: var(--ln-text-faint);
}

/* ============================================================================
 * SECTION UMUM
 * ========================================================================== */
section.landing-section {
  padding: 64px 0;
  border-top: 1px solid var(--ln-border);
}
.section-heading {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 40px auto;
}
.section-heading .kicker {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 10px;
}
.section-heading h2 {
  font-size: 28px;
  letter-spacing: -0.01em;
  color: var(--ln-text);
  margin: 0 0 10px 0;
}
.section-heading p {
  color: var(--ln-text-muted);
  font-size: 14.5px;
  margin: 0;
}

/* ============================================================================
 * KEUNGGULAN (grid)
 * ========================================================================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--ln-surface);
  border: 1px solid var(--ln-border);
  border-radius: var(--ln-radius-md);
  padding: 26px 22px;
  transition: transform var(--ln-transition), border-color var(--ln-transition), box-shadow var(--ln-transition);
}
.feature-card:hover {
  transform: translateY(-3px);
  border-color: var(--ln-border-strong);
  box-shadow: var(--ln-shadow-sm);
}
.feature-card .icon-badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(var(--color-primary-rgb, 37, 99, 235), 0.15);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 15.5px;
  color: var(--ln-text);
  margin: 0 0 8px 0;
}
.feature-card p {
  font-size: 13.5px;
  color: var(--ln-text-muted);
  margin: 0;
}

/* ============================================================================
 * HARGA
 * ========================================================================== */
.pricing-highlight {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.price-card {
  background: var(--ln-surface);
  border: 1px solid var(--ln-border);
  border-radius: var(--ln-radius-md);
  padding: 30px 24px;
  text-align: center;
  transition: transform var(--ln-transition), border-color var(--ln-transition), box-shadow var(--ln-transition);
}
.price-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--ln-shadow-sm);
}
.price-card.is-featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(var(--color-primary-rgb, 37, 99, 235), 0.25), var(--ln-shadow-sm);
}
.price-card .price-label {
  font-size: 13px;
  color: var(--ln-text-muted);
  margin-bottom: 6px;
}
.price-card .price-value {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ln-text);
}
.price-card .price-value .unit {
  font-size: 13px;
  font-weight: 400;
  color: var(--ln-text-muted);
}
.price-card .price-detail {
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--ln-text-muted);
}
.price-card .price-badge {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* ============================================================================
 * ALUR 3 LANGKAH
 * ========================================================================== */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
  position: relative;
}
.flow-step {
  text-align: center;
  position: relative;
  padding: 0 12px;
}
.flow-step .step-num {
  width: 46px;
  height: 46px;
  line-height: 46px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  margin: 0 auto 18px auto;
  box-shadow: 0 6px 16px rgba(var(--color-primary-rgb, 37, 99, 235), 0.4);
}
.flow-step h3 {
  font-size: 15.5px;
  color: var(--ln-text);
  margin: 0 0 8px 0;
}
.flow-step p {
  font-size: 13.5px;
  color: var(--ln-text-muted);
  margin: 0;
}

/* ============================================================================
 * CTA
 * ========================================================================== */
.cta-band {
  text-align: center;
  background: linear-gradient(160deg, var(--ln-surface), var(--ln-surface-alt));
  border: 1px solid var(--ln-border);
  border-radius: 22px;
  padding: 54px 26px;
}
.cta-band h2 {
  font-size: 26px;
  color: var(--ln-text);
  margin: 0 0 10px 0;
}
.cta-band p {
  color: var(--ln-text-muted);
  font-size: 14.5px;
  margin: 0 0 26px 0;
}
.cta-band .hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================================
 * FOOTER
 * ========================================================================== */
footer.landing-footer {
  border-top: 1px solid var(--ln-border);
  padding: 44px 0 30px 0;
  margin-top: 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 28px;
  margin-bottom: 28px;
}
.footer-grid .brand-block .brand {
  font-weight: 700;
  font-size: 16px;
  color: var(--ln-text);
}
.footer-grid .brand-block p {
  color: var(--ln-text-muted);
  font-size: 13px;
  margin: 10px 0 0 0;
  max-width: 320px;
}
.footer-grid h4 {
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ln-text-muted);
  margin: 0 0 12px 0;
}
.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-grid li {
  margin-bottom: 8px;
}
.footer-grid a {
  color: var(--ln-text-secondary);
  text-decoration: none;
  font-size: 13.5px;
  transition: color var(--ln-transition);
}
.footer-grid a:hover {
  color: var(--ln-text);
}
.footer-bottom {
  border-top: 1px solid var(--ln-border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12.5px;
  color: var(--ln-text-faint);
}

/* ============================================================================
 * RESPONSIF — 3 breakpoint (desktop besar sudah tercakup default di atas)
 * ========================================================================== */
@media (max-width: 1024px) {
  .hero {
    padding: 72px 0 52px 0;
  }
  .hero h1 {
    font-size: 36px;
  }
}

@media (max-width: 760px) {
  .container {
    padding: 0 16px;
  }
  .landing-topbar {
    padding: 14px 16px;
  }
  .hero {
    padding: 56px 0 44px 0;
  }
  .hero h1 {
    font-size: 29px;
  }
  .hero p.subtitle {
    font-size: 15px;
  }
  section.landing-section {
    padding: 48px 0;
  }
  .section-heading {
    margin-bottom: 30px;
  }
  .section-heading h2 {
    font-size: 22px;
  }
  .cta-band {
    padding: 40px 20px;
  }
  .cta-band h2 {
    font-size: 21px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 25px;
  }
  .hero .eyebrow {
    font-size: 11.5px;
    padding: 5px 12px;
  }
  .hero-actions .btn,
  .cta-band .hero-actions .btn {
    width: 100%;
  }
  .price-card .price-value {
    font-size: 27px;
  }
  .flow-step .step-num {
    width: 40px;
    height: 40px;
    line-height: 40px;
    font-size: 14.5px;
  }
}

/* ============================================================================
 * PART 36 — Demo ikon sukses (contoh visual) di section "Cara Kerja"
 * ============================================================================
 * Markup SVG & nama class (`yna-success-icon` dst) SAMA PERSIS dengan yang
 * dipakai nyata di struk/hasil order (`views/dashboard/order-flow.ejs`) &
 * deposit (`views/dashboard/deposit.ejs`), definisi animasinya di sini
 * SENGAJA DIDUPLIKASI dari `theme.css` PART 12/13 (bukan di-share lewat
 * import lintas file) karena landing page memang berdiri sendiri tanpa
 * `theme.css` (keputusan desain PART 34/35) — nilainya identik supaya kalau
 * user melihat demo di landing lalu order sungguhan, animasinya konsisten.
 * `public/js/animations.js` (PART 36) yang menunda animasi ini sampai
 * kartu benar-benar terlihat di layar (lihat komentar di file JS).
 * ========================================================================== */
.flow-demo {
  margin-top: 40px;
  text-align: center;
  padding: 28px 20px;
  background: var(--ln-surface);
  border: 1px solid var(--ln-border);
  border-radius: var(--ln-radius-md);
}
.flow-demo-caption {
  margin: 4px 0 0 0;
  font-size: 13px;
  color: var(--ln-text-muted);
}
.yna-success-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 6px;
  display: block;
}
.yna-success-icon-circle {
  stroke: var(--color-success);
  fill: none;
  stroke-dasharray: 145;
  stroke-dashoffset: 145;
  animation: yna-draw 500ms ease forwards;
}
.yna-success-icon-check {
  stroke: var(--color-success);
  fill: none;
  stroke-dasharray: 40;
  stroke-dashoffset: 40;
  animation: yna-draw 350ms ease forwards 450ms;
}
@keyframes yna-draw {
  to {
    stroke-dashoffset: 0;
  }
}

/* Hormati preferensi pengguna yang mematikan animasi/gerak */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .btn,
  .feature-card,
  .price-card {
    transition: none;
  }
  .yna-success-icon-circle,
  .yna-success-icon-check {
    animation: none;
    stroke-dashoffset: 0;
  }
}
