/* ================================================
   YouTube Summarizer — Production Design System
   Developer: Reflectiva Labs
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ── Design Tokens ── */
:root {
  --bg-base:          #080c14;
  --bg-surface:       #0d1322;
  --bg-card:          rgba(18, 24, 40, 0.75);
  --bg-card-border:   rgba(255, 255, 255, 0.08);
  --bg-card-hover:    rgba(255, 255, 255, 0.04);
  --text-main:        #f1f5f9;
  --text-sub:         #94a3b8;
  --text-muted:       #64748b;
  --red:              #e8263a;
  --red-glow:         rgba(232, 38, 58, 0.35);
  --purple:           #8b5cf6;
  --blue:             #3b82f6;
  --gradient:         linear-gradient(135deg, #e8263a 0%, #8b5cf6 55%, #3b82f6 100%);
  --gradient-subtle:  linear-gradient(135deg, rgba(232,38,58,0.15) 0%, rgba(139,92,246,0.15) 100%);
  --glow:             0 0 60px -10px rgba(232, 38, 58, 0.4);
  --radius-sm:        8px;
  --radius-md:        12px;
  --radius-lg:        20px;
  --radius-xl:        28px;
  --shadow-card:      0 4px 32px rgba(0,0,0,0.4);
  --font:             'Inter', system-ui, -apple-system, sans-serif;
  --nav-height:       72px;
  --transition:       0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg-base);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
ul, ol { list-style: none; }

/* ── Background atmosphere ── */
.bg-glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.18;
  will-change: transform;
}
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #e8263a, transparent 70%);
  top: -200px; left: -150px;
  animation: drift1 20s ease-in-out infinite alternate;
}
.orb-2 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, #8b5cf6, transparent 70%);
  bottom: -250px; right: -200px;
  animation: drift2 24s ease-in-out infinite alternate;
}
.orb-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #3b82f6, transparent 70%);
  top: 40%; left: 40%;
  opacity: 0.1;
  animation: drift3 18s ease-in-out infinite alternate;
}
@keyframes drift1 { to { transform: translate(60px, 80px); } }
@keyframes drift2 { to { transform: translate(-60px, -80px); } }
@keyframes drift3 { to { transform: translate(40px, -40px); } }

/* ── Header / Nav ── */
header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--nav-height);
  background: rgba(8, 12, 20, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--bg-card-border);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}
.logo-img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  object-fit: cover;
  box-shadow: 0 2px 12px rgba(232, 38, 58, 0.5);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-links a {
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-sub);
  text-decoration: none;
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-main);
  background: rgba(255,255,255,0.06);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  border: none;
  background: transparent;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-sub);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.75rem;
  background: var(--gradient);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 50px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--glow);
  letter-spacing: 0.01em;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px -8px rgba(232, 38, 58, 0.55);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.75rem;
  background: rgba(255,255,255,0.06);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 50px;
  text-decoration: none;
  border: 1px solid var(--bg-card-border);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.18);
  transform: translateY(-2px);
}
.btn-danger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.75rem;
  background: rgba(232, 38, 58, 0.12);
  border: 1px solid rgba(232, 38, 58, 0.35);
  color: #ff6b8a;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 50px;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.btn-danger:hover {
  background: rgba(232, 38, 58, 0.22);
  border-color: rgba(232, 38, 58, 0.55);
  transform: translateY(-2px);
}

/* ── Text utilities ── */
.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-muted { color: var(--text-sub); }

/* ── Badge pill ── */
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 500;
  color: #c084fc;
  letter-spacing: 0.02em;
}

/* ── Card ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--gradient-subtle);
  opacity: 0;
  transition: opacity var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(255,255,255,0.16);
  box-shadow: var(--shadow-card);
}
.card:hover::before { opacity: 1; }
.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
  position: relative;
  z-index: 1;
}
.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
  position: relative;
  z-index: 1;
}
.card p {
  color: var(--text-sub);
  font-size: 0.92rem;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* ── Hero ── */
.hero {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 6rem 2rem 4rem;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.hero p {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-sub);
  max-width: 640px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-app-icon {
  width: 90px;
  height: 90px;
  border-radius: 22px;
  margin: 0 auto 2rem;
  box-shadow: 0 8px 40px -8px rgba(232, 38, 58, 0.6), 0 2px 12px rgba(0,0,0,0.4);
  animation: icon-float 4s ease-in-out infinite;
}
@keyframes icon-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ── Section ── */
.section {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 2rem;
}
.section-title {
  text-align: center;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.section-sub {
  text-align: center;
  color: var(--text-sub);
  font-size: 1rem;
  max-width: 540px;
  margin: 0 auto 3rem;
}

/* ── Grid ── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

/* ── Stats strip ── */
.stats-strip {
  position: relative;
  z-index: 1;
  background: rgba(255,255,255,0.025);
  border-top: 1px solid var(--bg-card-border);
  border-bottom: 1px solid var(--bg-card-border);
}
.stats-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
  display: flex;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
}
.stat {
  text-align: center;
}
.stat-value {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── Policy / legal pages shared styles ── */
.policy-wrap {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem 5rem;
}
.policy-hero {
  text-align: center;
  padding: 3.5rem 1rem 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 3rem;
}
.policy-hero h1 {
  font-size: clamp(1.8rem, 5vw, 2.75rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.6rem;
}
.policy-hero .meta {
  color: var(--text-muted);
  font-size: 0.875rem;
}
.policy-hero .app-id-badge {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.35rem 1rem;
  background: rgba(139,92,246,0.1);
  border: 1px solid rgba(139,92,246,0.25);
  border-radius: 999px;
  font-size: 0.78rem;
  color: #a78bfa;
  letter-spacing: 0.03em;
}
.toc {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  margin-bottom: 2.5rem;
}
.toc h3 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}
.toc ol { padding-left: 1.2rem; }
.toc ol li { margin-bottom: 0.3rem; }
.toc ol li a {
  color: #a78bfa;
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition);
}
.toc ol li a:hover { color: #c4b5fd; }
.policy-section {
  margin-bottom: 2.75rem;
  scroll-margin-top: calc(var(--nav-height) + 16px);
}
.policy-section h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.sec-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  background: var(--gradient);
  border-radius: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.policy-section p,
.policy-section li {
  color: var(--text-sub);
  line-height: 1.8;
  font-size: 0.93rem;
}
.policy-section ul,
.policy-section ol { padding-left: 1.4rem; margin-top: 0.5rem; }
.policy-section li { margin-bottom: 0.5rem; }
.policy-section a { color: #a78bfa; text-decoration: none; }
.policy-section a:hover { text-decoration: underline; }

/* Data table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.data-table th {
  background: rgba(139,92,246,0.2);
  color: #c4b5fd;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.75rem 1rem;
  text-align: left;
}
.data-table td {
  padding: 0.75rem 1rem;
  font-size: 0.88rem;
  color: var(--text-sub);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:nth-child(even) td { background: rgba(255,255,255,0.02); }

/* Info / callout boxes */
.info-box {
  background: rgba(59,130,246,0.08);
  border-left: 3px solid #3b82f6;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
}
.info-box p { margin: 0; color: rgba(255,255,255,0.7); }
.warn-box {
  background: rgba(251,191,36,0.07);
  border-left: 3px solid #fbbf24;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
}
.warn-box p { margin: 0; color: rgba(255,255,255,0.7); }
.danger-box {
  background: rgba(232,38,58,0.07);
  border-left: 3px solid #e8263a;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
}
.danger-box p { margin: 0; color: rgba(255,255,255,0.7); }

/* Contact card */
.contact-card {
  background: linear-gradient(135deg, rgba(139,92,246,0.12), rgba(59,130,246,0.08));
  border: 1px solid rgba(139,92,246,0.2);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.contact-card .c-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}
.contact-card .c-value {
  font-size: 0.93rem;
  color: var(--text-main);
  font-weight: 500;
}
.contact-card .c-value a { color: #a78bfa; }
.c-divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin: 0.4rem 0;
}

/* Steps list */
.steps-list {
  list-style: none;
  padding: 0;
  counter-reset: steps;
}
.steps-list li {
  counter-increment: steps;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
  color: var(--text-sub);
  font-size: 0.93rem;
  line-height: 1.7;
}
.steps-list li::before {
  content: counter(steps);
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  margin-top: 0.05rem;
}

/* ── Footer ── */
footer {
  margin-top: auto;
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--bg-card-border);
  background: rgba(8, 12, 20, 0.95);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem 2rem;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 3rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.footer-brand .logo {
  margin-bottom: 0.75rem;
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.85rem;
  max-width: 260px;
  line-height: 1.65;
}
.footer-links-grid {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}
.footer-col h4 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; padding: 0; }
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul li a {
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--text-main); }
.footer-bottom {
  border-top: 1px solid var(--bg-card-border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-copyright {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ── Page specific: Delete Account ── */
.delete-hero-icon {
  width: 72px; height: 72px;
  border-radius: 18px;
  background: rgba(232,38,58,0.12);
  border: 1px solid rgba(232,38,58,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin: 0 auto 1.5rem;
}

/* ── Animations ── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fade-up 0.6s ease both; }
.fade-up-delay-1 { animation-delay: 0.1s; }
.fade-up-delay-2 { animation-delay: 0.2s; }
.fade-up-delay-3 { animation-delay: 0.3s; }

/* ── Divider ── */
.divider {
  border: none;
  border-top: 1px solid var(--bg-card-border);
  margin: 2rem 0;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero { padding: 4rem 1.25rem 3rem; }
  .hero-app-icon { width: 72px; height: 72px; border-radius: 18px; }
  .section { padding: 3rem 1.25rem; }
  .stats-inner { gap: 2.5rem; }
  .footer-top { flex-direction: column; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-links-grid { gap: 2rem; }
  .data-table { font-size: 0.8rem; }
  .data-table th, .data-table td { padding: 0.6rem 0.7rem; }

  /* Mobile nav */
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: rgba(8,12,20,0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--bg-card-border);
    flex-direction: column;
    padding: 1rem;
    gap: 0.25rem;
    z-index: 100;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.65rem 1rem; font-size: 0.95rem; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .policy-hero h1 { font-size: 1.75rem; }
  .contact-card { padding: 1.25rem; }
}