/* ─── Reset & Base ────────────────────────────────────────────────────────── */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #243044;
  --bg-elevated: #2e3d56;
  --bg-subtle: #293751;
  --accent: #5eb5f7;
  --accent-light: #93d0ff;
  --accent-glow: rgba(94, 181, 247, 0.12);
  --text: #e8edf4;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --border: #2a3a52;
  --radius: 12px;
  --max-width: 1100px;
}

html {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-light);
}

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

.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ─── Navigation ─────────────────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(36, 48, 68, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-container {
  display: flex;
  align-items: center;
  height: 60px;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.nav-logo img {
  border-radius: 10px;
}

.nav-links {
  display: flex;
  gap: 24px;
  margin-inline-start: auto;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
}

/* ─── Language Switcher ──────────────────────────────────────────────────── */

.language-switcher {
  position: relative;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 5px 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.lang-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--text);
}

.lang-toggle svg {
  opacity: 0.6;
}

.lang-dropdown {
  position: absolute;
  inset-inline-end: 0;
  top: calc(100% + 8px);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 0;
  list-style: none;
  min-width: 180px;
  max-height: 320px;
  overflow-y: auto;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.lang-dropdown li a {
  display: block;
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.15s;
}

.lang-dropdown li a:hover {
  background: rgba(94, 181, 247, 0.08);
  color: var(--text);
}

.lang-dropdown li.active a {
  color: var(--accent);
  font-weight: 600;
}

/* ─── Hero ───────────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  text-align: center;
  padding: 100px 24px 80px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(94, 181, 247, 0.1) 0%, rgba(94, 181, 247, 0.03) 40%, transparent 70%);
  pointer-events: none;
}

.hero-icon {
  margin-inline: auto;
  border-radius: 28px;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08),
    0 12px 40px rgba(0, 0, 0, 0.4),
    0 0 80px rgba(94, 181, 247, 0.1);
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  margin-top: 28px;
  letter-spacing: -0.03em;
  background: linear-gradient(180deg, #fff 30%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.375rem;
  color: var(--accent);
  margin-top: 10px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.hero-tagline {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  margin-top: 16px;
  max-width: 520px;
  margin-inline: auto;
  line-height: 1.7;
}

.app-store-badge {
  display: inline-block;
  margin-top: 36px;
  transition: transform 0.2s, opacity 0.2s;
}

.app-store-badge:hover {
  transform: scale(1.04);
  opacity: 0.9;
}

.app-store-badge img {
  height: 52px;
  width: auto;
}

/* ─── Features ───────────────────────────────────────────────────────────── */

.features {
  padding: 20px 0 0;
}

.feature {
  padding: 80px 0;
}

.feature:nth-child(even) {
  background: var(--bg-subtle);
}

.feature-inner {
  display: flex;
  align-items: center;
  gap: 48px;
}

.feature-text {
  flex: 1;
  min-width: 0;
  padding-inline-start: 20px;
  border-inline-start: 3px solid var(--accent);
}

.feature-image {
  flex: 0 0 auto;
}

.feature--reverse .feature-inner {
  flex-direction: row-reverse;
}

.feature-text h2 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--text);
}

.feature-text p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ─── Phone Frame ────────────────────────────────────────────────────────── */

.phone-frame {
  position: relative;
  display: inline-block;
  border-radius: 40px;
  overflow: hidden;
  box-shadow:
    0 0 0 2px rgba(255, 255, 255, 0.08),
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 4px 16px rgba(0, 0, 0, 0.3);
  transition: transform 0.4s cubic-bezier(0.2, 0, 0, 1);
}

.phone-frame:hover {
  transform: translateY(-4px);
}

.phone-frame img {
  width: 280px;
  height: auto;
  display: block;
}

/* ─── Highlights ─────────────────────────────────────────────────────────── */

.highlights {
  padding: 80px 0;
  background: var(--bg-subtle);
}

.highlights h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.highlight-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: var(--text);
  transition: border-color 0.2s, background 0.2s;
}

.highlight-card:hover {
  border-color: rgba(94, 181, 247, 0.2);
  background: rgba(30, 41, 59, 0.9);
}

.highlight-icon {
  flex-shrink: 0;
  color: var(--accent);
  opacity: 0.7;
}

/* ─── Trust ──────────────────────────────────────────────────────────────── */

.trust {
  padding: 60px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.trust-grid {
  display: flex;
  justify-content: center;
  gap: 64px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.trust-number {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(180deg, #fff 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.trust-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ─── CTA ────────────────────────────────────────────────────────────────── */

.cta {
  text-align: center;
  padding: 80px 0 100px;
}

.cta-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.cta-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin-inline: auto;
  line-height: 1.7;
  margin-bottom: 8px;
}

/* ─── Page (Privacy, Terms) ──────────────────────────────────────────────── */

.page {
  padding: 60px 0 100px;
}

.page h1 {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}

.page h2 {
  font-size: 1.375rem;
  font-weight: 700;
  margin-top: 36px;
  margin-bottom: 12px;
}

.page p,
.page li {
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.75;
  font-size: 1.0625rem;
}

.page ul,
.page ol {
  padding-inline-start: 20px;
}

.disclaimer {
  background: var(--accent-glow);
  border: 1px solid rgba(94, 181, 247, 0.15);
  border-radius: var(--radius);
  padding: 14px 20px;
  margin-bottom: 28px;
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 500;
}

/* ─── Support / FAQ ──────────────────────────────────────────────────────── */

.support-page {
  padding: 60px 0 100px;
}

.support-page h1 {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
}

.faq {
  margin-bottom: 64px;
}

.faq h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  background: var(--bg-elevated);
  transition: border-color 0.2s;
}

.faq-item:hover {
  border-color: rgba(94, 181, 247, 0.15);
}

.faq-item summary {
  padding: 18px 24px;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color 0.15s;
  list-style: none;
  display: flex;
  align-items: center;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  min-width: 26px;
  margin-inline-end: 14px;
  border-radius: 50%;
  background: rgba(94, 181, 247, 0.1);
  color: var(--accent);
  font-size: 1.1rem;
  font-weight: 600;
  transition: background 0.2s;
}

.faq-item[open] summary::before {
  content: "\2212";
  background: rgba(94, 181, 247, 0.2);
}

.faq-item summary:hover {
  color: var(--accent-light);
}

.faq-item p {
  padding: 0 24px 20px 64px;
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: 0.9375rem;
}

/* ─── Contact Form ───────────────────────────────────────────────────────── */

.contact h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.contact > p {
  color: var(--text-secondary);
  margin-bottom: 28px;
  font-size: 1.0625rem;
}

.contact-form {
  max-width: 520px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(94, 181, 247, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-tertiary);
}

.btn-submit {
  background: linear-gradient(135deg, var(--accent) 0%, #4a9fe0 100%);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 14px 36px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(94, 181, 247, 0.2);
}

.btn-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(94, 181, 247, 0.3);
}

.contact-email {
  margin-top: 28px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* ─── Footer ─────────────────────────────────────────────────────────────── */

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: var(--bg-subtle);
  padding: 40px 0 32px;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-icon {
  border-radius: 10px;
}

.footer-app-name {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--text);
}

.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer-copyright {
  color: var(--text-tertiary);
  font-size: 0.8rem;
}

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

@media (max-width: 1024px) {
  .highlights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 64px 24px 56px;
  }

  .hero-glow {
    width: 400px;
    height: 400px;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-tagline {
    font-size: 1rem;
  }

  .feature {
    padding: 56px 0;
  }

  .feature-inner {
    flex-direction: column !important;
    gap: 28px;
    text-align: center;
  }

  .feature-text {
    border-inline-start: none;
    padding-inline-start: 0;
  }

  .feature-text h2 {
    font-size: 1.5rem;
  }

  .phone-frame img {
    width: 240px;
  }

  .highlights-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    gap: 16px;
  }

  .trust-grid {
    gap: 32px;
  }

  .footer-top {
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
  }

  .faq-item p {
    padding-inline-start: 24px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.875rem;
  }

  .phone-frame img {
    width: 200px;
  }

  .nav-container {
    gap: 12px;
  }

  .nav-links {
    gap: 10px;
  }

  .nav-links a {
    font-size: 0.8rem;
  }
}

/* ─── RTL ────────────────────────────────────────────────────────────────── */

[dir="rtl"] {
  text-align: right;
}

[dir="rtl"] .hero,
[dir="rtl"] .cta,
[dir="rtl"] .highlights h2,
[dir="rtl"] .site-footer .footer-copyright {
  text-align: center;
}

[dir="rtl"] .feature-inner {
  direction: rtl;
}

[dir="rtl"] .feature--reverse .feature-inner {
  flex-direction: row;
  direction: rtl;
}

@media (max-width: 768px) {
  [dir="rtl"] .feature-inner,
  [dir="rtl"] .feature--reverse .feature-inner {
    flex-direction: column !important;
    text-align: center;
  }
}