/* ═══════════════════════════════════════════════════
   WeeY Downloader — Premium Dark UI
   ═══════════════════════════════════════════════════ */

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

/* ── Reset & Base ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0f0f10;
  --bg2:       #151516;
  --surface:   #151516;
  --surface-2: #1a1a1c;
  --border:    rgba(255,255,255,0.06);
  --text:      #f4f4f5;
  --muted:     #a1a1aa;
  --accent1:   #7c3aed;
  --accent2:   #db2777;
  --accent3:   #06b6d4;
  --yt-red:    #ff2d2d;
  --tt-black:  #69c9d0;
  --ig-grad:   #e1306c;
  --success:   #10b981;
  --radius:    16px;
  --radius-sm: 10px;
  --glow:      0 10px 40px rgba(0,0,0,0.28);
  --neo-raised: 10px 10px 24px rgba(0,0,0,0.42), -10px -10px 24px rgba(255,255,255,0.03);
  --neo-soft:   6px 6px 14px rgba(0,0,0,0.28), -6px -6px 14px rgba(255,255,255,0.03);
  --neo-inset:  inset 4px 4px 10px rgba(0,0,0,0.38), inset -4px -4px 10px rgba(255,255,255,0.03);
  --font-head: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: #0f0f10;
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

h1,h2,h3,h4 { font-family: var(--font-head); line-height: 1.2; }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }

/* ── Gradient Text ────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Glassmorphism ────────────────────────────────── */
.glass {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.04);
  box-shadow: var(--neo-raised);
}

/* ── Animated Blobs ───────────────────────────────── */
.blobs {
  display: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: floatBlob 12s ease-in-out infinite alternate;
}

.blob-1 {
  width: 500px; height: 500px;
  background: rgba(255,255,255,0.04);
  top: -150px; left: -150px;
  animation-duration: 14s;
}
.blob-2 {
  width: 400px; height: 400px;
  background: rgba(255,255,255,0.03);
  top: 30%; right: -100px;
  animation-duration: 18s;
  animation-delay: -6s;
}
.blob-3 {
  width: 300px; height: 300px;
  background: rgba(255,255,255,0.02);
  bottom: -100px; left: 40%;
  animation-duration: 16s;
  animation-delay: -3s;
}

@keyframes floatBlob {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(40px, 30px) scale(1.08); }
  100% { transform: translate(-20px, 50px) scale(0.95); }
}

/* ── Header ───────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(15,15,16,0.96);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  box-shadow: 0 10px 24px rgba(0,0,0,0.22);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.5px;
  text-shadow: 0 1px 0 rgba(255,255,255,0.05), 0 4px 10px rgba(0,0,0,0.35);
}
.logo-icon { font-size: 1.4rem; color: var(--text); }
.logo-accent { color: var(--accent2); }

.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  transition: color var(--transition);
  text-shadow: 0 1px 0 rgba(255,255,255,0.04), 0 2px 6px rgba(0,0,0,0.28);
}
.nav-links a:hover { color: var(--text); }

/* ── Hero ─────────────────────────────────────────── */
.hero {
  position: relative;
  z-index: 1;
  padding: 128px 0 72px;
  text-align: center;
}

.hero-inner {
  position: relative;
  max-width: 920px;
  margin: 0 auto;
  padding: 28px 18px 0;
}

.hero-inner::before {
  content: '';
  position: absolute;
  inset: 28px 24px auto 24px;
  height: 260px;
  border-radius: 32px;
  background: rgba(255,255,255,0.02);
  box-shadow: var(--neo-raised);
  pointer-events: none;
  z-index: -1;
}

.hero-badge {
  display: inline-block;
  background: #17171a;
  border: 1px solid rgba(124,58,237,0.28);
  color: #c4b5fd;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 7px 18px;
  border-radius: 999px;
  margin-bottom: 20px;
  animation: fadeDown 0.6s ease both;
  box-shadow: var(--neo-soft);
  text-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.hero h1 {
  font-size: clamp(2.5rem, 5.4vw, 4.35rem);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 0.95;
  margin-bottom: 18px;
  animation: fadeDown 0.7s ease 0.1s both;
  text-shadow: 0 8px 24px rgba(0,0,0,0.28);
}

.hero h1 .gradient-text {
  filter: drop-shadow(0 10px 18px rgba(0,0,0,0.32));
}

.hero-sub {
  font-size: 1.14rem;
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 36px;
  animation: fadeDown 0.7s ease 0.2s both;
  text-shadow: 0 1px 0 rgba(255,255,255,0.03);
}

.hero-meta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 14px;
  margin: 0 auto 26px;
  border-radius: 999px;
  background: #17171a;
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--text);
  font-size: 0.84rem;
  box-shadow: var(--neo-soft);
  text-shadow: 0 1px 0 rgba(255,255,255,0.04);
}

/* ── Downloader Card ──────────────────────────────── */
.downloader-card {
  border-radius: var(--radius);
  padding: 34px;
  max-width: 680px;
  margin: 8px auto 0;
  background: var(--surface);
  box-shadow: var(--neo-raised);
  animation: fadeUp 0.8s ease 0.3s both;
}

/* Platform Badges */
.platform-badges {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #18181b;
  transition: all var(--transition);
  opacity: 0.5;
  box-shadow: var(--neo-soft);
}
.badge svg { width: 14px; height: 14px; fill: currentColor; }
.badge.active { opacity: 1; transform: scale(1.06); }
.badge-yt.active { background: rgba(255,45,45,0.15); border-color: var(--yt-red); color: var(--yt-red); }
.badge-tt.active { background: rgba(105,201,208,0.15); border-color: var(--tt-black); color: var(--tt-black); }
.badge-ig.active { background: rgba(225,48,108,0.15); border-color: var(--ig-grad); color: var(--ig-grad); }

/* Input Group */
.input-group {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.url-input {
  flex: 1;
  background: #18181b;
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  box-shadow: var(--neo-inset);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.url-input::placeholder { color: var(--muted); }
.url-input:focus {
  border-color: var(--accent1);
  box-shadow: var(--neo-inset), 0 0 0 3px rgba(124,58,237,0.12);
  transform: translateY(-1px);
}

.btn-paste {
  background: #18181b;
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  padding: 0 14px;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--neo-soft);
}
.btn-paste:hover { color: var(--text); transform: translateY(-1px); }
.btn-paste svg { width: 18px; height: 18px; fill: currentColor; display: block; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  border: none;
  border-radius: var(--radius-sm);
  padding: 0 28px;
  color: #fff;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  min-width: 120px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
  box-shadow: var(--neo-soft);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(0,0,0,0.28); }
.btn-primary:active { transform: translateY(0); }
.btn-primary.loading .btn-text { opacity: 0; }
.btn-primary.loading .btn-spinner { display: block; }

.btn-spinner {
  display: none;
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  position: absolute;
  animation: spin 0.7s linear infinite;
}

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

/* Error */
.error-msg {
  background: #18181b;
  border: 1px solid rgba(239,68,68,0.28);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: #fca5a5;
  font-size: 0.88rem;
  margin-top: 12px;
  text-align: left;
}

/* Result Card */
.result-card {
  margin-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.04);
  padding-top: 24px;
  animation: fadeUp 0.4s ease;
}

.result-inner {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
  align-items: start;
}

.thumb-wrap {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 16/9;
}

.thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.duration-badge {
  position: absolute;
  bottom: 6px; right: 6px;
  background: #121214;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
}

.platform-tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent1);
  margin-bottom: 4px;
}

.video-title {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.uploader {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 14px;
}

.format-group {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.format-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}

.format-select {
  flex: 1;
  background: #18181b;
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  outline: none;
  box-shadow: var(--neo-inset);
}
.format-select:focus { border-color: var(--accent1); }

.btn-download {
  width: 100%;
  background: linear-gradient(135deg, #10b981, #059669);
  border: none;
  border-radius: 10px;
  padding: 12px 20px;
  color: #fff;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all var(--transition);
  box-shadow: var(--neo-soft);
}
.btn-download svg { width: 18px; height: 18px; fill: currentColor; }
.btn-download:hover { transform: translateY(-2px); box-shadow: 0 14px 26px rgba(0,0,0,0.24); }
.btn-download:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* Progress */
.progress-wrap {
  margin-top: 16px;
}

.progress-bar-track {
  width: 100%;
  height: 8px;
  background: #18181b;
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 8px;
  box-shadow: var(--neo-inset);
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
  border-radius: 999px;
  transition: width 0.4s ease;
  position: relative;
}
.progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.22);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.progress-info {
  display: flex;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--muted);
}
#progressPct { color: var(--text); font-weight: 600; }

.disclaimer {
  margin-top: 20px;
  font-size: 0.75rem;
  color: var(--muted);
  animation: fadeUp 0.8s ease 0.4s both;
}

/* ── Ad Containers ────────────────────────────────── */
.ad-container {
  padding: 20px 24px;
  text-align: center;
  min-height: 90px;
  position: relative;
  z-index: 1;
}

.ad-container ins {
  display: block;
}

.ad-container .ad-rectangle {
  text-align: center;
}

/* ── Features ─────────────────────────────────────── */
.features { position: relative; z-index: 1; }
.features h2, .how-to h2, .platforms h2, .faq h2 {
  text-align: center;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 48px;
  letter-spacing: -0.5px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.feature-card {
  border-radius: var(--radius);
  padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition);
  background: var(--surface);
  box-shadow: var(--neo-raised);
}
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 14px 14px 28px rgba(0,0,0,0.32), -8px -8px 18px rgba(255,255,255,0.03);
}
.feature-icon { font-size: 2rem; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.875rem; color: var(--muted); line-height: 1.6; }

/* ── How-To Steps ─────────────────────────────────── */
.how-to { position: relative; z-index: 1; }
.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.step {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  text-align: center;
}

.step-num {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0 auto 16px;
  box-shadow: var(--neo-soft);
}

.step h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 0.875rem; color: var(--muted); }

.step-arrow {
  font-size: 1.8rem;
  color: var(--accent1);
  margin-top: 14px;
  opacity: 0.5;
}

/* ── Platforms ────────────────────────────────────── */
.platforms { position: relative; z-index: 1; }
.platform-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.platform-card {
  border-radius: var(--radius);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition);
  background: var(--surface);
  box-shadow: var(--neo-raised);
}
.platform-card:hover { transform: translateY(-3px); box-shadow: 14px 14px 28px rgba(0,0,0,0.32), -8px -8px 18px rgba(255,255,255,0.03); }
.picon {
  width: 54px; height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 16px;
  font-weight: 900;
}
.picon-yt { background: rgba(255,45,45,0.15); color: var(--yt-red); }
.picon-tt { background: rgba(105,201,208,0.15); color: var(--tt-black); }
.picon-ig { background: rgba(225,48,108,0.15); color: var(--ig-grad); }
.platform-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.platform-card p { font-size: 0.875rem; color: var(--muted); margin-bottom: 16px; }
.platform-card ul { display: flex; flex-direction: column; gap: 6px; }
.platform-card li { font-size: 0.85rem; color: var(--success); }

/* ── FAQ ──────────────────────────────────────────── */
.faq { position: relative; z-index: 1; }
.faq-inner { max-width: 760px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }

.faq-item {
  border-radius: var(--radius-sm);
  padding: 0;
  overflow: hidden;
  transition: border-color var(--transition);
  background: var(--surface);
  box-shadow: var(--neo-raised);
}
.faq-item:hover { border-color: rgba(255,255,255,0.12); }

.faq-item summary {
  padding: 18px 20px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq-item summary::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--accent1);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  padding: 0 20px 18px;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ── Scroll To Top ────────────────────────────────── */
.scroll-top-btn {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 50%;
  background: #18181b;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1200;
  box-shadow: var(--neo-raised);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.scroll-top-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(124,58,237,0.28);
  box-shadow: 14px 14px 28px rgba(0,0,0,0.34), -8px -8px 18px rgba(255,255,255,0.03);
}
.scroll-top-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* ── Footer ───────────────────────────────────────── */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255,255,255,0.04);
  padding-top: 0;
}

.footer-inner {
  display: flex;
  gap: 48px;
  padding: 48px 24px 32px;
  flex-wrap: wrap;
}

.footer-brand { flex: 1; min-width: 220px; }
.footer-brand p { margin-top: 12px; font-size: 0.85rem; color: var(--muted); max-width: 280px; }

.footer-links { display: flex; gap: 48px; }
.footer-col h4 { font-size: 0.85rem; font-weight: 700; margin-bottom: 14px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.875rem; color: var(--muted); transition: color var(--transition); }
.footer-col a:hover { color: var(--text); }

.footer-bottom {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

.footer-bottom a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── Toast ────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #18181b;
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 10px;
  padding: 12px 20px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  box-shadow: var(--neo-raised);
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 1000;
  pointer-events: none;
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Animations ───────────────────────────────────── */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 640px) {
  .nav-links { display: none; }
  .downloader-card { padding: 24px 16px; }
  .input-group { flex-wrap: wrap; }
  .url-input { width: 100%; }
  .btn-primary { flex: 1; }
  .result-inner { grid-template-columns: 1fr; }
  .steps { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); margin: 0; }
  .footer-inner { flex-direction: column; gap: 32px; }
  .footer-links { flex-direction: column; gap: 24px; }
  .scroll-top-btn { right: 14px; bottom: 14px; width: 38px; height: 38px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}