:root {
  --teal-primary: #3a8b8e;
  --teal-dark: #1e3a42;
  --teal-surface: #25464f;
  --teal-card: #2a5059;
  --bg-deep: #0d1823;
  --text-primary: #e6f0f2;
  --text-secondary: #b5c4c8;
  --text-muted: #6b8a8d;
  --outline: #3b616b;
  --success: #2ecc71;
  --warning: #f5c542;
  --radius-lg: 18px;
  --radius-md: 14px;
  --shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  --max-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--teal-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(100% - 40px, var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(13, 24, 35, 0.82);
  border-bottom: 1px solid rgba(59, 97, 107, 0.45);
}

.site-header .container,
.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.header-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-drawer > summary {
  list-style: none;
  cursor: pointer;
}

.nav-drawer > summary::-webkit-details-marker {
  display: none;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--outline);
  background: rgba(30, 58, 66, 0.65);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
}

.nav-toggle-bars {
  width: 16px;
  height: 12px;
  background:
    linear-gradient(var(--text-primary), var(--text-primary)) 0 0 / 100% 2px no-repeat,
    linear-gradient(var(--text-primary), var(--text-primary)) 0 5px / 100% 2px no-repeat,
    linear-gradient(var(--text-primary), var(--text-primary)) 0 10px / 100% 2px no-repeat;
}

.nav a {
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
}

.nav a:hover {
  color: var(--text-primary);
  text-decoration: none;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
}

.brand img,
.brand-icon {
  display: block;
  width: 56px;
  max-width: 56px;
  height: auto;
  flex-shrink: 0;
  aspect-ratio: 1024 / 682;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  object-fit: contain;
  background: transparent;
}

.site-footer .brand-icon {
  width: 48px;
  max-width: 48px;
}

.nav {
  align-items: center;
  gap: 20px;
  flex-wrap: nowrap;
  justify-content: flex-end;
}

/* Nav visibility — must come after .nav { } so display is not overridden */
.nav-desktop {
  display: none;
}

.nav-drawer {
  position: relative;
}

.nav-drawer .nav-mobile {
  display: none;
}

@media (min-width: 901px) {
  .nav-desktop {
    display: flex;
  }

  .nav-drawer {
    display: none;
  }
}

@media (max-width: 900px) {
  .nav-drawer .nav-mobile {
    position: absolute;
    right: 0;
    top: calc(100% + 10px);
    z-index: 30;
    min-width: 168px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 8px;
    background: var(--teal-dark);
    border: 1px solid var(--outline);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
  }

  .nav-drawer[open] .nav-mobile {
    display: flex;
  }

  .nav-drawer .nav-mobile a {
    padding: 10px 12px;
    border-radius: 10px;
  }

  .nav-drawer .nav-mobile a:hover {
    background: rgba(58, 139, 142, 0.12);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--teal-primary), #4c8a8b);
  color: #fff;
  box-shadow: 0 10px 28px rgba(58, 139, 142, 0.28);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2c7a7b, var(--teal-primary));
}

.btn-coming-soon {
  cursor: default;
  pointer-events: none;
  opacity: 0.92;
}

.btn-coming-soon:hover {
  transform: none;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px 11px 14px;
  border-radius: 16px;
  background: linear-gradient(145deg, #111 0%, #1a1a1a 100%);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow:
    0 14px 34px rgba(0, 0, 0, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  font-weight: 600;
  text-decoration: none;
  max-width: 100%;
}

.store-badge__icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.store-badge__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.1;
  min-width: 0;
}

.store-badge__line {
  font-size: 0.64rem;
  font-weight: 500;
  opacity: 0.78;
}

.store-badge__store {
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.store-badge__pill {
  margin-left: 2px;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(245, 197, 66, 0.16);
  color: var(--warning);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.store-badge--compact {
  padding: 9px 12px;
  gap: 10px;
}

.store-badge--compact .store-badge__store {
  font-size: 0.95rem;
}

.store-badge--compact .store-badge__pill {
  font-size: 0.62rem;
  padding: 4px 8px;
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--outline);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 88px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto;
  height: 70%;
  background: radial-gradient(ellipse at 50% 0%, rgba(58, 139, 142, 0.22), transparent 68%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  position: relative;
}

.hero-copy h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.08;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.hero-copy h1 span {
  background: linear-gradient(90deg, var(--teal-primary), #7ec8ca);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 34ch;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.hero-note {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.hero-visual {
  position: relative;
}

.phone-frame {
  border-radius: 36px;
  border: 3px solid var(--outline);
  background: var(--teal-dark);
  box-shadow: var(--shadow);
  overflow: hidden;
  max-width: 340px;
  margin-inline: auto;
}

.phone-body {
  background: linear-gradient(165deg, var(--teal-dark), var(--bg-deep));
  padding: 32px 20px 36px;
  text-align: center;
}

.logo-glow {
  position: relative;
  width: 100%;
  max-width: 260px;
  margin: 0 auto 20px;
}

.logo-glow::before {
  content: "";
  position: absolute;
  inset: 8% 12%;
  border-radius: 18%;
  background: radial-gradient(circle, rgba(245, 197, 66, 0.22), transparent 72%);
  filter: blur(14px);
}

.logo-glow img {
  display: block;
  width: 100%;
  height: auto;
  position: relative;
  z-index: 1;
  border-radius: 12px;
}

.phone-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0 0 8px;
  background: linear-gradient(90deg, var(--teal-primary), #4c8a8b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.phone-sub {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0 0 24px;
}

.loader {
  width: 28px;
  height: 28px;
  margin: 0 auto;
  border: 3px solid rgba(58, 139, 142, 0.25);
  border-top-color: var(--teal-primary);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.section {
  padding: 72px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(30, 58, 66, 0.55), rgba(13, 24, 35, 0));
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 12px;
}

.section-head p {
  margin: 0;
  color: var(--text-secondary);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--teal-card);
  border: 1px solid var(--outline);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.feature-card .icon {
  display: none;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.showcase img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--outline);
  box-shadow: var(--shadow);
}

.showcase ul {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.showcase li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--text-secondary);
}

.showcase li strong {
  color: var(--text-primary);
  display: block;
}

.bullet-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal-primary);
  margin-top: 8px;
  flex-shrink: 0;
}

.cta-band {
  margin-top: 16px;
  padding: 48px 32px;
  text-align: center;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--teal-surface), var(--teal-dark));
  border: 1px solid var(--outline);
}

.cta-band h2 {
  margin: 0 0 10px;
  font-size: 1.8rem;
}

.cta-band p {
  margin: 0 auto 24px;
  max-width: 520px;
  color: var(--text-secondary);
}

.support-page {
  max-width: 720px;
}

.support-lead {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
}

.support-donate-card {
  text-align: left;
  margin: 32px 0;
}

.support-donate-card h2 {
  font-size: 1.45rem;
}

.support-amount-form {
  margin-top: 8px;
}

.support-amount-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.support-amount-option {
  position: relative;
  cursor: pointer;
}

.support-amount-option input {
  position: absolute;
  opacity: 0;
  inset: 0;
}

.support-amount-option span {
  display: block;
  text-align: center;
  padding: 12px 8px;
  border-radius: 12px;
  border: 1px solid var(--outline);
  background: rgba(0, 0, 0, 0.18);
  color: var(--text-primary);
  font-weight: 600;
}

.support-amount-option input:checked + span {
  border-color: var(--teal-primary);
  box-shadow: 0 0 0 1px var(--teal-primary);
}

.support-note {
  margin: 16px 0 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.support-section-title {
  margin: 40px 0 16px;
  font-size: 1.35rem;
}

.support-contact-hero {
  margin-top: 24px;
  text-align: left;
}

.support-contact-hero h2 {
  margin-top: 0;
  font-size: 1.35rem;
}

.support-help-grid {
  margin-top: 8px;
}

@media (max-width: 560px) {
  .support-amount-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.contact-card {
  background: var(--teal-card);
  border: 1px solid var(--outline);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.contact-card h3 {
  margin-top: 0;
}

.contact-card p {
  color: var(--text-secondary);
}

.contact-single {
  max-width: 480px;
  margin-inline: auto;
}

.site-footer {
  border-top: 1px solid var(--outline);
  padding: 32px 0 40px;
  margin-top: 24px;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 16px 0 0;
}

.legal-page {
  padding: 48px 0 80px;
}

.legal-page article {
  max-width: 720px;
  margin: 0 auto;
}

.legal-page h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.legal-page .meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 32px;
}

.legal-page h2 {
  font-size: 1.15rem;
  margin-top: 32px;
  color: var(--text-primary);
}

.legal-page p,
.legal-page li {
  color: var(--text-secondary);
}

.legal-page ul {
  padding-left: 1.2rem;
}

.legal-article {
  max-width: 720px;
}

.about-block {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
}

.about-lead {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.65;
  margin: 0;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: grid;
  gap: 10px;
}

.faq-item {
  background: var(--teal-card);
  border: 1px solid var(--outline);
  border-radius: var(--radius-md);
  padding: 0 18px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  padding: 16px 0;
  list-style: none;
  color: var(--text-primary);
}

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

.faq-item p {
  margin: 0 0 16px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.changelog-entry {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--outline);
}

.changelog-entry:last-of-type {
  border-bottom: none;
}

.changelog-build {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

.changelog-date {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 12px;
}

.cta-note {
  margin: 14px 0 0;
  font-size: 0.92rem;
}

.cta-note a {
  color: var(--text-secondary);
}

.contact-extra {
  margin-top: 12px;
  font-size: 0.92rem;
}

.contact-extra a {
  color: var(--text-secondary);
}

@media (max-width: 900px) {
  .hero-grid,
  .showcase,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .features,
  .features-compact {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 48px;
  }
}