/* Elpis Website — Celestial Luxury Theme */

/* ——— Typography Import ——— */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,200..800;1,200..800&display=swap');

:root {
  /* App-accurate dark mode colors */
  --bg-1: #1E1446;
  --bg-2: #2E1E61;
  --bg-3: #382663;
  --bg-deep: #140e30;
  --tab-bg: #1A1238;
  --gold: #D9C080;
  --gold-warm: #E8D49C;
  --gold-light: rgba(217,192,128,0.15);
  --gold-border: rgba(217,192,128,0.25);
  --gold-glow: rgba(217,192,128,0.08);
  --text: #ffffff;
  --text-soft: rgba(255,255,255,0.9);
  --text-dim: rgba(255,255,255,0.6);
  --text-subtle: rgba(255,255,255,0.3);
  --card-bg: rgba(255,255,255,0.06);
  --card-bg-hover: rgba(255,255,255,0.10);
  --card-border: rgba(255,255,255,0.10);
  --card-border-hover: rgba(255,255,255,0.18);
  --btn-bg: rgba(255,255,255,0.12);

  /* Typography */
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --section-pad: clamp(3rem, 6vw, 5rem);
}

/* ——— Base ——— */
html { scroll-behavior: smooth; }

body {
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ——— Grain Overlay ——— */
.page-content::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

/* ——— Star Field ——— */
.starfield {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(160deg, var(--bg-1) 0%, var(--bg-2) 45%, var(--bg-3) 100%);
}

/* Nebula glow */
.starfield::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  top: 10%;
  right: -10%;
  background: radial-gradient(ellipse, rgba(100,60,180,0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: nebula-drift 40s ease-in-out infinite alternate;
}
.starfield::after {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  bottom: 10%;
  left: -5%;
  background: radial-gradient(ellipse, rgba(217,192,128,0.06) 0%, transparent 70%);
  border-radius: 50%;
  animation: nebula-drift 50s ease-in-out infinite alternate-reverse;
}

@keyframes nebula-drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(30px, -20px) scale(1.1); }
}

.stars-layer {
  position: absolute;
  inset: 0;
  background-repeat: repeat;
  will-change: transform;
}

.stars-sm {
  background-image:
    radial-gradient(1px 1px at 50px 80px, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 150px 200px, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 320px 40px, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 480px 300px, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 100px 350px, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 620px 120px, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 250px 450px, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 700px 250px, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 400px 500px, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 550px 60px, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 180px 150px, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 750px 400px, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 30px 280px, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 600px 480px, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 420px 180px, rgba(255,255,255,0.4), transparent);
  background-size: 800px 550px;
  animation: drift 80s linear infinite;
}

.stars-md {
  background-image:
    radial-gradient(1.5px 1.5px at 200px 100px, rgba(255,255,255,0.7), transparent),
    radial-gradient(1.5px 1.5px at 500px 350px, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.5px 1.5px at 80px 420px, rgba(255,255,255,0.6), transparent),
    radial-gradient(2px 2px at 650px 180px, rgba(255,255,255,0.4), transparent),
    radial-gradient(1.5px 1.5px at 350px 280px, rgba(255,255,255,0.7), transparent),
    radial-gradient(2px 2px at 120px 50px, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.5px 1.5px at 550px 450px, rgba(255,255,255,0.6), transparent),
    radial-gradient(2px 2px at 700px 80px, rgba(255,255,255,0.4), transparent),
    radial-gradient(1.5px 1.5px at 300px 500px, rgba(255,255,255,0.5), transparent),
    radial-gradient(2px 2px at 450px 30px, rgba(255,255,255,0.7), transparent);
  background-size: 800px 550px;
  animation: drift 120s linear infinite, twinkle-layer 8s ease-in-out infinite alternate;
}

.stars-lg {
  background-image:
    radial-gradient(2.5px 2.5px at 400px 200px, rgba(255,255,255,0.8), transparent),
    radial-gradient(3px 3px at 100px 300px, rgba(255,255,255,0.6), transparent),
    radial-gradient(2.5px 2.5px at 600px 100px, rgba(255,255,255,0.7), transparent),
    radial-gradient(3px 3px at 250px 450px, rgba(255,255,255,0.5), transparent),
    radial-gradient(2.5px 2.5px at 700px 350px, rgba(255,255,255,0.8), transparent),
    radial-gradient(3px 3px at 50px 150px, rgba(255,255,255,0.6), transparent),
    radial-gradient(2.5px 2.5px at 500px 500px, rgba(255,255,255,0.7), transparent);
  background-size: 800px 550px;
  animation: drift 200s linear infinite, twinkle-layer 12s ease-in-out infinite alternate-reverse;
}

@keyframes drift {
  from { transform: translateY(0); }
  to { transform: translateY(-550px); }
}

@keyframes twinkle-layer {
  0% { opacity: 1; }
  50% { opacity: 0.7; }
  100% { opacity: 1; }
}

/* ——— Page Content ——— */
.page-content {
  position: relative;
  z-index: 1;
}

/* ——— Scroll Reveal ——— */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for cards */
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }
.reveal-delay-6 { transition-delay: 0.48s; }

/* ——— Navbar ——— */
.navbar {
  background: rgba(20,14,48,0.85) !important;
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 0.6rem 0;
  transition: background 0.3s, box-shadow 0.3s;
}
.navbar.scrolled {
  background: rgba(20,14,48,0.95) !important;
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--gold) !important;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: 0.5px;
  text-decoration: none;
}
.navbar-brand img {
  height: 34px;
  width: 34px;
  border-radius: 9px;
}
.nav-link {
  color: var(--text-dim) !important;
  font-size: 0.88rem;
  letter-spacing: 0.3px;
  transition: color 0.25s;
  padding: 0.5rem 0.75rem !important;
}
.nav-link:hover, .nav-link.active { color: var(--gold) !important; }

/* Language Switcher */
.lang-switcher .btn {
  background: transparent;
  color: var(--text-subtle);
  border: 1px solid rgba(255,255,255,0.08);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  letter-spacing: 0.5px;
  transition: all 0.25s;
}
.lang-switcher .btn:hover {
  color: var(--text-soft);
  border-color: rgba(255,255,255,0.2);
}
.lang-switcher .btn.active {
  color: var(--gold);
  border-color: var(--gold-border);
  background: var(--gold-light);
}

/* ——— Hero ——— */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 80px;
  padding-bottom: 2rem;
}
.hero-logo {
  width: clamp(100px, 15vw, 140px);
  height: clamp(100px, 15vw, 140px);
  border-radius: 30px;
  margin-bottom: 2rem;
  box-shadow:
    0 8px 40px rgba(217,192,128,0.12),
    0 0 80px rgba(217,192,128,0.06);
  animation: logo-glow 6s ease-in-out infinite alternate;
}
@keyframes logo-glow {
  0% { box-shadow: 0 8px 40px rgba(217,192,128,0.12), 0 0 80px rgba(217,192,128,0.06); }
  100% { box-shadow: 0 8px 50px rgba(217,192,128,0.20), 0 0 100px rgba(217,192,128,0.10); }
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 4.2rem);
  font-weight: 300;
  color: var(--gold);
  letter-spacing: 4px;
  margin-bottom: 0.25rem;
}
.hero .tagline {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 300;
  color: var(--text-soft);
  margin-bottom: 1.25rem;
  letter-spacing: 1px;
}
.hero .description {
  font-size: clamp(0.92rem, 1.5vw, 1.05rem);
  color: var(--text-dim);
  max-width: 500px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
}
.badge-appstore {
  display: inline-block;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--gold), var(--gold-warm));
  color: var(--bg-deep);
  padding: 0 28px;
  line-height: 52px;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.3px;
  text-decoration: none;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s;
  box-shadow: 0 4px 20px rgba(217,192,128,0.15);
}
.badge-appstore:hover {
  transform: translateY(-2px) scale(1.03);
  color: var(--bg-deep);
  box-shadow: 0 8px 30px rgba(217,192,128,0.25);
}

/* ——— Sections ——— */
section { padding: var(--section-pad) 0; }
.section-title {
  font-family: var(--font-display);
  color: var(--gold);
  font-weight: 300;
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin-bottom: 0.4rem;
  letter-spacing: 0.5px;
}
.section-subtitle {
  color: var(--text-dim);
  font-size: clamp(0.88rem, 1.3vw, 1rem);
  margin-bottom: 2.5rem;
  letter-spacing: 0.2px;
}

/* ——— Feature Cards ——— */
.feature-card {
  background: linear-gradient(145deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 2.25rem 1.75rem;
  height: 100%;
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 18px;
  background: radial-gradient(ellipse at 50% 0%, var(--gold-glow) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
}
.feature-card:hover {
  border-color: var(--card-border-hover);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}
.feature-card:hover::before {
  opacity: 1;
}
.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 1.25rem;
  border-radius: 14px;
  background: rgba(217,192,128,0.08);
  border: 1px solid rgba(217,192,128,0.12);
  transition: all 0.3s;
}
.feature-card:hover .feature-icon {
  background: rgba(217,192,128,0.14);
  border-color: rgba(217,192,128,0.22);
  box-shadow: 0 0 20px rgba(217,192,128,0.1);
}
.feature-icon svg {
  width: 28px;
  height: 28px;
}
.feature-card h5 {
  font-family: var(--font-display);
  color: var(--gold);
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
  letter-spacing: 0.2px;
  position: relative;
}
.feature-card p {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 0;
  line-height: 1.65;
  position: relative;
}

/* ——— Premium Card ——— */
#premium {
  padding-bottom: calc(var(--section-pad) + 1rem);
}
.premium-card {
  background: linear-gradient(145deg, rgba(217,192,128,0.08), rgba(217,192,128,0.02));
  border: 1px solid var(--gold-border);
  border-radius: 20px;
  padding: 2.75rem 2.5rem;
  text-align: left;
  position: relative;
  overflow: hidden;
}
.premium-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.5;
}
.premium-card li {
  color: var(--text-soft);
  margin-bottom: 1rem;
  font-size: 0.98rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  line-height: 1.5;
}
.premium-card li:last-child {
  margin-bottom: 0;
}
.premium-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  opacity: 0.85;
}

/* ——— FAQ Accordion ——— */
.accordion {
  --bs-accordion-bg: transparent;
  --bs-accordion-border-color: var(--card-border);
  --bs-accordion-border-radius: 14px;
}
.accordion-item {
  background: linear-gradient(145deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  border: 1px solid var(--card-border);
  margin-bottom: 0.6rem;
  border-radius: 14px !important;
  overflow: hidden;
  transition: border-color 0.3s;
}
.accordion-item:has(.accordion-button:not(.collapsed)) {
  border-color: var(--gold-border);
}
.accordion-button {
  background: transparent;
  color: var(--text-soft);
  font-size: 0.98rem;
  font-weight: 500;
  padding: 1.15rem 1.5rem;
  border: none;
  box-shadow: none !important;
  letter-spacing: 0.1px;
  transition: color 0.3s;
}
.accordion-button:not(.collapsed) {
  background: rgba(217,192,128,0.06);
  color: var(--gold);
  box-shadow: none;
}
.accordion-button::after {
  filter: invert(1) brightness(0.5);
  transition: filter 0.3s, transform 0.3s;
}
.accordion-button:not(.collapsed)::after {
  filter: invert(1) brightness(0.8);
}
.accordion-button:focus {
  box-shadow: none;
  border-color: transparent;
}
.accordion-body {
  color: var(--text-dim);
  font-size: 0.93rem;
  line-height: 1.75;
  padding: 0 1.5rem 1.25rem;
}

/* ——— Legal sections (subpages) ——— */
.legal-page {
  padding-top: 110px;
  padding-bottom: 4rem;
  min-height: 100vh;
}
.legal-page h2 {
  font-family: var(--font-display);
  color: var(--gold);
  font-weight: 300;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 0.5rem;
  letter-spacing: 1px;
}
.legal-page h4 {
  color: var(--text-soft);
  font-weight: 500;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}
.legal-page p, .legal-page li {
  color: var(--text-dim);
  font-size: 0.93rem;
  line-height: 1.75;
}
.legal-page ul { padding-left: 1.2rem; }
.legal-page a { color: var(--gold); transition: opacity 0.2s; }
.legal-page a:hover { opacity: 0.8; text-decoration: underline; }

/* ——— Support Cards ——— */
.support-card {
  background: linear-gradient(145deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 2.25rem 1.75rem;
  text-align: center;
  height: 100%;
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.support-card:hover {
  border-color: var(--card-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.support-card .feature-icon {
  margin-bottom: 1rem;
}
.support-card h5 {
  font-family: var(--font-display);
  color: var(--gold);
  font-size: 1.1rem;
  letter-spacing: 0.3px;
}
.support-card p { color: var(--text-dim); font-size: 0.9rem; line-height: 1.6; }
.support-card a { color: var(--gold); text-decoration: none; }
.support-card a:hover { text-decoration: underline; }

/* ——— Footer ——— */
.site-footer {
  background: rgba(0,0,0,0.3);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 2rem 0;
  font-size: 0.82rem;
  color: var(--text-subtle);
}
.site-footer a {
  color: var(--text-subtle);
  text-decoration: none;
  transition: color 0.25s;
}
.site-footer a:hover { color: var(--gold); }

/* ——— Utilities ——— */
.gold-divider {
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  border: none;
  opacity: 0.6;
  margin: 0.8rem auto 2rem;
}
.gold-divider-left {
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border: none;
  opacity: 0.6;
  margin: 0.8rem 0 2rem;
}

/* ——— RTL ——— */
[dir="rtl"] .feature-card,
[dir="rtl"] .premium-card,
[dir="rtl"] .legal-page { text-align: right; }
[dir="rtl"] .feature-card { text-align: center; }
[dir="rtl"] .legal-page ul { padding-left: 0; padding-right: 1.2rem; }
[dir="rtl"] .premium-card .check { margin-right: 0; margin-left: 0.6rem; }
[dir="rtl"] .gold-divider-left {
  background: linear-gradient(270deg, var(--gold), transparent);
  margin-left: auto;
  margin-right: 0;
}

/* ——— Responsive ——— */
@media (max-width: 991px) {
  .navbar-collapse {
    background: rgba(20,14,48,0.97);
    border-radius: 12px;
    padding: 1rem;
    margin-top: 0.5rem;
    border: 1px solid rgba(255,255,255,0.06);
  }
}

@media (max-width: 768px) {
  .hero { min-height: 90vh; padding-top: 70px; }
  .hero h1 { letter-spacing: 4px; }
  .hero-logo { border-radius: 24px; margin-bottom: 1.5rem; }
  .hero .description { max-width: 360px; }
  section { padding: 2.5rem 0; }
  .feature-card { padding: 1.75rem 1.5rem; }
  .premium-card { padding: 1.75rem 1.5rem; }
  .legal-page { padding-top: 85px; }
  .badge-appstore { height: 48px; line-height: 48px; padding: 0 22px; font-size: 0.88rem; }
}

@media (max-width: 480px) {
  .hero .description { max-width: 300px; }
  .lang-switcher .btn { font-size: 0.68rem; padding: 0.15rem 0.4rem; }
}