/* =============================================
   stephan.pics — Stylesheet
   Dark luxury editorial aesthetic
   ============================================= */

:root {
  --bg: #0a0a0b;
  --bg2: #111114;
  --bg3: #18181d;
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(255,255,255,0.14);
  --text: #f0ede8;
  --text-muted: #7a7880;
  --text-dim: #4a4858;
  --accent: #c8f05a;
  --accent-dark: #a8d040;
  --accent-glow: rgba(200,240,90,0.15);
  --red: #ff4545;
  --card-bg: rgba(255,255,255,0.03);
  --radius: 20px;
  --radius-sm: 12px;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- Grain overlay ---- */
.grain {
  position: fixed;
  inset: -200%;
  width: 400%;
  height: 400%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.028;
  pointer-events: none;
  z-index: 1000;
  animation: grain 8s steps(10) infinite;
}
@keyframes grain {
  0%,100% { transform: translate(0,0); }
  10% { transform: translate(-2%,-3%); }
  20% { transform: translate(3%,2%); }
  30% { transform: translate(-1%,4%); }
  40% { transform: translate(4%,-1%); }
  50% { transform: translate(-3%,3%); }
  60% { transform: translate(2%,-4%); }
  70% { transform: translate(-4%,1%); }
  80% { transform: translate(1%,-2%); }
  90% { transform: translate(-2%,4%); }
}

/* ---- Background orbs ---- */
.orb {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
  opacity: 0.4;
  z-index: 0;
}
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(200,240,90,0.12) 0%, transparent 70%);
  top: -200px; right: -200px;
  animation: float1 12s ease-in-out infinite;
}
.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(120,100,255,0.08) 0%, transparent 70%);
  bottom: 100px; left: -100px;
  animation: float2 15s ease-in-out infinite;
}
.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(200,240,90,0.06) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: float3 10s ease-in-out infinite;
}
@keyframes float1 {
  0%,100% { transform: translate(0,0); }
  50% { transform: translate(-30px, 40px); }
}
@keyframes float2 {
  0%,100% { transform: translate(0,0); }
  50% { transform: translate(20px, -30px); }
}
@keyframes float3 {
  0%,100% { transform: translate(-50%,-50%) scale(1); }
  50% { transform: translate(-50%,-50%) scale(1.15); }
}

/* ---- Header ---- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,11,0.7);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--text);
  letter-spacing: -0.01em;
}
.logo-dot { color: var(--accent); }

.nav-pills {
  display: flex;
  gap: 4px;
}
.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 100px;
  transition: var(--transition);
  letter-spacing: 0.01em;
}
.nav-link:hover {
  color: var(--text);
  background: var(--bg3);
}

/* ---- Hero ---- */
main { position: relative; z-index: 1; }

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  text-align: center;
}

.hero-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(200,240,90,0.2);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
  animation: fadeUp 0.6s ease both;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 7rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 20px;
  animation: fadeUp 0.6s 0.1s ease both;
}
.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 300;
  margin-bottom: 48px;
  animation: fadeUp 0.6s 0.2s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- Card ---- */
.card {
  width: 100%;
  max-width: 680px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  animation: fadeUp 0.6s 0.3s ease both;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.03),
    0 40px 80px rgba(0,0,0,0.5),
    0 0 60px rgba(200,240,90,0.03);
}

/* ---- Platform Tabs ---- */
.platform-tabs {
  display: flex;
  gap: 6px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 5px;
  margin-bottom: 24px;
  overflow-x: auto;
  scrollbar-width: none;
}
.platform-tabs::-webkit-scrollbar { display: none; }

.tab {
  flex: 1;
  min-width: fit-content;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 14px;
  border: none;
  border-radius: 9px;
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.tab svg { width: 14px; height: 14px; flex-shrink: 0; }
.tab:hover { color: var(--text-muted); background: var(--bg2); }
.tab.active {
  background: var(--bg2);
  color: var(--text);
  box-shadow: 0 1px 4px rgba(0,0,0,0.4);
}
.tab.active svg { color: var(--accent); }

/* ---- Input area ---- */
.input-area {
  display: flex;
  gap: 10px;
  flex-direction: column;
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 16px;
  color: var(--text-dim);
  display: flex;
}
.input-icon svg { width: 16px; height: 16px; }

.url-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 15px 48px 15px 44px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.92rem;
  outline: none;
  transition: var(--transition);
}
.url-input::placeholder { color: var(--text-dim); }
.url-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.paste-btn {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  display: flex;
  transition: var(--transition);
}
.paste-btn svg { width: 15px; height: 15px; }
.paste-btn:hover { color: var(--text); background: var(--bg3); }

.download-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  background: var(--accent);
  color: #0a0a0b;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.download-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
}
.download-btn:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(200,240,90,0.3);
}
.download-btn:active { transform: translateY(0); }
.download-btn.loading { pointer-events: none; opacity: 0.7; }

.btn-icon svg { width: 17px; height: 17px; }

/* ---- Loading ---- */
.loading-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Format Options ---- */
.format-options {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.format-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 14px;
}
.format-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}
.format-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
}
.format-btn:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}
.format-quality {
  font-size: 0.9rem;
  font-weight: 600;
}
.format-type {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ---- Status Area ---- */
.status-area {
  margin-top: 16px;
  font-size: 0.88rem;
}
.status-error {
  color: var(--red);
  padding: 10px 14px;
  background: rgba(255,69,69,0.08);
  border: 1px solid rgba(255,69,69,0.15);
  border-radius: 10px;
}
.status-success {
  color: var(--accent);
  padding: 10px 14px;
  background: var(--accent-glow);
  border: 1px solid rgba(200,240,90,0.2);
  border-radius: 10px;
}
.status-info {
  color: var(--text-muted);
  padding: 10px 14px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
}

/* ---- Disclaimer ---- */
.disclaimer {
  margin-top: 20px;
  font-size: 0.78rem;
  color: var(--text-dim);
  animation: fadeUp 0.6s 0.4s ease both;
}

/* ---- Sections ---- */
.section {
  padding: 100px 24px;
  max-width: 900px;
  margin: 0 auto;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  text-align: center;
}

/* ---- Steps ---- */
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
}
.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.8;
}
.step-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.step-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.step-body em { color: var(--accent); font-style: normal; font-weight: 600; }
.step-divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
  align-self: center;
  flex-shrink: 0;
  margin-top: -20px;
}

/* ---- Platform Cards ---- */
.platform-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 16px;
}
.platform-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--transition);
  cursor: default;
}
.platform-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.pcard-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  transition: var(--transition);
}
.pcard-icon svg { width: 20px; height: 20px; }
.platform-card:hover .pcard-icon {
  background: color-mix(in srgb, var(--card-color, var(--accent)) 15%, transparent);
}
.platform-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.platform-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.4;
}
.platform-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.platform-card ul li {
  font-size: 0.78rem;
  color: var(--text-dim);
  padding-left: 14px;
  position: relative;
}
.platform-card ul li::before {
  content: '·';
  position: absolute;
  left: 4px;
  color: var(--accent);
}

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 24px;
  text-align: center;
  position: relative;
  z-index: 1;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text);
  margin-bottom: 8px;
}
.footer-logo span { color: var(--accent); }
.footer-note {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.footer-copy {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .header { padding: 16px 20px; }
  .nav-pills { display: none; }
  .card { padding: 20px; }
  .steps { flex-direction: column; align-items: center; }
  .step-divider {
    width: 1px;
    height: 32px;
    background: linear-gradient(to bottom, transparent, var(--border), transparent);
    margin: 0;
  }
  .platform-cards { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 400px) {
  .platform-cards { grid-template-columns: 1fr; }
  .tab span { display: none; }
}