/* GatherPic Marketing Site — brand: #1DFF9F on dark */

:root {
  --brand-green: #1dff9f;
  --brand-green-muted: #19d987;
  --brand-green-dim: rgba(29, 255, 159, 0.12);
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #161616;
  --text-primary: #f5f5f5;
  --text-secondary: #a3a3a3;
  --text-muted: #737373;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --max-width: 1120px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

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

.header-nav a:hover {
  color: var(--brand-green);
}

.lang-toggle {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--bg-secondary);
}

.lang-btn {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.lang-btn.active {
  background: var(--brand-green);
  color: #0a0a0a;
}

.lang-btn:hover:not(.active) {
  color: var(--text-primary);
}

/* Hero */
.hero {
  padding: calc(var(--header-height) + 4rem) 0 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(29, 255, 159, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-icon {
  width: 96px;
  height: 96px;
  margin: 0 auto 1.5rem;
  border-radius: 22px;
  box-shadow: 0 0 60px rgba(29, 255, 159, 0.25);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero h1 span {
  color: var(--brand-green);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--brand-green);
  color: #0a0a0a;
}

.btn-primary:hover {
  box-shadow: 0 0 24px rgba(29, 255, 159, 0.35);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--brand-green-muted);
  color: var(--brand-green);
}

.btn-disabled {
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border);
  cursor: default;
  opacity: 0.7;
}

.btn-disabled:hover {
  box-shadow: none;
}

.btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.store-label {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.store-label small {
  font-size: 0.6875rem;
  font-weight: 500;
  opacity: 0.8;
}

.coming-soon-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--brand-green);
  margin-left: 0.25rem;
}

/* Sections */
section {
  padding: 5rem 0;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-green);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 3rem;
}

.section-header {
  text-align: center;
}

.section-header .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* Features */
.features {
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(29, 255, 159, 0.3);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-green-dim);
  border-radius: 12px;
  font-size: 1.375rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* How it works */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
}

.step {
  text-align: center;
}

.step-number {
  width: 48px;
  height: 48px;
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-green);
  color: #0a0a0a;
  font-weight: 800;
  font-size: 1.25rem;
  border-radius: 50%;
}

.step h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.step p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* Download */
.download {
  background: var(--bg-secondary);
  text-align: center;
}

.download-box {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(29, 255, 159, 0.06) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  max-width: 640px;
  margin: 0 auto;
}

.download-box .section-title {
  margin-bottom: 0.75rem;
}

.download-box .section-desc {
  margin: 0 auto 2rem;
}

.store-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.store-btn {
  min-width: 200px;
}

/* Footer */
.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
}

.footer-brand img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}

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

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

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Legal pages */
.legal-page {
  padding: calc(var(--header-height) + 2.5rem) 0 4rem;
  min-height: 60vh;
}

.legal-page h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.legal-updated {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}

.legal-section {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.legal-section:last-of-type {
  border-bottom: none;
}

.legal-section h2 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--brand-green);
  margin-bottom: 0.875rem;
}

.legal-section p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0.875rem;
}

.legal-section p:last-child {
  margin-bottom: 0;
}

.legal-section ul {
  margin: 0.5rem 0 0.875rem 1.25rem;
  color: var(--text-secondary);
}

.legal-section li {
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: 0.5rem;
}

.legal-email-link {
  color: var(--brand-green);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-email-link:hover {
  color: var(--brand-green-muted);
}

.legal-disclaimer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.6;
}

.legal-back-link {
  font-size: 0.875rem;
}

@media (max-width: 640px) {
  .header-nav .nav-link {
    display: none;
  }
}