/* Smart Music and Video Downloader — Brand stylesheet */

:root {
  --brand-50:  #e8f5ee;
  --brand-100: #c8e6d4;
  --brand-200: #96cfae;
  --brand-300: #5fb084;
  --brand-400: #369162;
  --brand-500: #1e7a4a;
  --brand-600: #15603a;
  --brand-700: #0f472c;
  --brand-800: #0a321f;
  --brand-900: #061f13;

  --surface:    #f8faf9;
  --surface-alt:#eef4f0;
  --text:       #1a2b22;
  --text-muted: #5a6b62;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Monaco, "Courier New", monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 2px rgba(15, 71, 44, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 71, 44, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 71, 44, 0.12);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  background: var(--surface);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--surface-alt); }
::-webkit-scrollbar-thumb { background: var(--brand-200); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--brand-300); }

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

a {
  color: var(--brand-500);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover { color: var(--brand-600); }

code, kbd, .mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

code {
  background: var(--brand-50);
  color: var(--brand-700);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 64px 0;
}

/* ---- Background grid pattern ---- */
.bg-grid {
  background-size: 40px 40px;
  background-image:
    linear-gradient(to right, rgba(30, 122, 74, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 122, 74, 0.05) 1px, transparent 1px);
  mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, #000 70%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, #000 70%, transparent 100%);
}

/* ---- Glass nav ---- */
.glass {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(30, 122, 74, 0.1);
}

/* ---- Brand gradient ---- */
.brand-gradient {
  background: linear-gradient(135deg, #1e7a4a 0%, #369162 100%);
}

/* ---- Glow accent ---- */
.glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(54, 145, 98, 0.15) 0%, rgba(0,0,0,0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #1e7a4a 0%, #369162 100%);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.btn-secondary {
  background: white;
  color: var(--brand-700);
  border: 1px solid var(--brand-200);
}

.btn-secondary:hover {
  background: var(--brand-50);
  border-color: var(--brand-300);
  color: var(--brand-700);
}

/* ---- Cards ---- */
.card {
  background: white;
  border: 1px solid var(--brand-100);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.2s ease;
}

.card:hover {
  border-color: var(--brand-300);
  box-shadow: var(--shadow-lg);
}

/* ---- Legal pages ---- */
.legal-main {
  max-width: 760px;
  margin: 0 auto;
  padding: 120px 24px 80px;
}

.legal-header {
  border-bottom: 1px solid var(--brand-100);
  padding-bottom: 32px;
  margin-bottom: 48px;
}

.legal-header h1 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 8px;
}

.legal-header p {
  color: var(--text-muted);
  font-size: 14px;
}

.legal-body h2 {
  font-size: 20px;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.legal-body h2 .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--brand-50);
  color: var(--brand-600);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.legal-body h3 {
  font-size: 16px;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 8px;
}

.legal-body p {
  color: var(--text-muted);
  margin-bottom: 12px;
}

.legal-body ul {
  margin: 12px 0 16px 20px;
  color: var(--text-muted);
}

.legal-body li {
  margin-bottom: 6px;
}

.legal-body .notice {
  background: var(--brand-50);
  border-left: 4px solid var(--brand-400);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 20px 0;
  color: var(--brand-800);
  font-size: 14px;
}

.legal-body .license-block {
  background: #0a321f;
  color: #c8e6d4;
  border-radius: var(--radius-md);
  padding: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  white-space: pre-wrap;
  overflow-x: auto;
}

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--brand-100);
  background: white;
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 13px;
}

.footer-col a:hover { color: var(--brand-500); }

.footer-bottom {
  border-top: 1px solid var(--brand-100);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--text-muted);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .legal-header h1 { font-size: 28px; }
  .legal-main { padding: 100px 20px 60px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}