:root {
  --bg: #f8fafc;
  --bg-dark: #0f172a;
  --bg-dark-2: #111c33;
  --card: #ffffff;
  --text: #0f172a;
  --text-soft: #475569;
  --green: #10b981;
  --green-dark: #064e3b;
  --cyan: #06b6d4;
  --border: #e2e8f0;
  --shadow: 0 10px 30px rgba(2, 44, 34, 0.08);
  --radius: 14px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* ---------- NAV ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 32px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-name { font-weight: 700; font-size: 1.05rem; letter-spacing: -0.02em; }
.brand-name .accent { color: var(--green); }

.nav-links { display: flex; gap: 22px; }
.nav-links a {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--green-dark); }

.btn-primary {
  background: linear-gradient(135deg, var(--green) 0%, var(--cyan) 100%);
  color: #fff;
  border: none;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(16,185,129,0.4); }

.btn-secondary {
  background: transparent;
  color: var(--green-dark);
  border: 1.5px solid var(--green);
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-secondary:hover { background: rgba(16,185,129,0.08); }
.btn-secondary.disabled { opacity: 0.45; cursor: not-allowed; }

/* ---------- HERO ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 72px 48px 64px;
  max-width: 1200px;
  margin: 0 auto;
}

.badge {
  display: inline-block;
  background: rgba(16,185,129,0.1);
  color: var(--green-dark);
  border: 1px solid rgba(16,185,129,0.3);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--green), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p { color: var(--text-soft); font-size: 1.05rem; max-width: 540px; }
.hero p strong { color: var(--text); }

.hero-cta { display: flex; align-items: center; gap: 18px; margin-top: 26px; flex-wrap: wrap; }
.hero-note { font-size: 0.82rem; color: var(--text-soft); }

.specs-strip {
  display: flex;
  gap: 14px;
  margin-top: 34px;
  flex-wrap: wrap;
}
.spec {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 16px;
  box-shadow: var(--shadow);
}
.spec-icon { font-size: 1.3rem; }
.spec b { display: block; font-size: 0.95rem; }
.spec small { color: var(--text-soft); font-size: 0.74rem; }

/* ---------- PHONE SIMULATOR ---------- */
.hero-visual { display: flex; flex-direction: column; align-items: center; gap: 14px; }

.phone {
  position: relative;
  width: min(320px, 94%);
  background: linear-gradient(180deg, #0f172a 0%, #020617 100%);
  border: 3px solid #1e293b;
  border-radius: 44px;
  padding: 12px 10px 10px;
  box-shadow: 0 40px 80px rgba(2, 44, 34, 0.35), inset 0 0 0 2px #334155;
}
.phone-screen {
  position: relative;
  height: 560px;
  border-radius: 32px;
  overflow: hidden;
  background: linear-gradient(160deg, #0b3d2e 0%, #052e16 60%, #041d10 100%);
}
.phone-badge {
  position: absolute;
  top: 18px;
  right: -46px;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #fff;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  padding: 6px 46px;
  transform: rotate(38deg);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* status bar */
.statusbar {
  position: relative;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #d1fae5;
  font-size: 0.74rem;
  font-weight: 600;
  padding: 10px 18px 4px;
  cursor: pointer;
}
.icons { font-size: 0.72rem; }

/* screens */
.screen { display: none; flex-direction: column; height: calc(100% - 34px); }
.screen.active { display: flex; animation: screenIn 0.22s ease; }
@keyframes screenIn {
  from { opacity: 0; transform: translateX(14px); }
  to { opacity: 1; transform: translateX(0); }
}

/* home */
.screen-home { padding: 4px 16px 14px; }
.home-widget {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(6px);
  border-radius: 16px;
  padding: 12px 14px;
  margin-bottom: 14px;
  color: #ecfdf5;
}
.widget-top { display: flex; justify-content: space-between; font-size: 0.7rem; opacity: 0.85; }
.widget-weather { font-size: 0.85rem; font-weight: 700; margin-top: 6px; }
.widget-weather small { font-weight: 400; opacity: 0.75; }

.app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px 8px;
  flex: 1;
  align-content: start;
}
.app {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: #ecfdf5;
  cursor: pointer;
  user-select: none;
}
.app span { font-size: 1.55rem; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.4)); }
.app small { font-size: 0.6rem; opacity: 0.9; }
.app:hover { transform: translateY(-3px) scale(1.05); }
.app:active { transform: scale(0.92); }
.app, .dock-app { transition: transform 0.15s; }

.dock {
  display: flex;
  justify-content: space-around;
  gap: 8px;
  margin-top: 10px;
  padding: 9px;
  background: rgba(255,255,255,0.1);
  border-radius: 16px;
  backdrop-filter: blur(8px);
}
.dock-app {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  background: rgba(255,255,255,0.12);
  border-radius: 12px;
  cursor: pointer;
  user-select: none;
}
.dock-app:hover { transform: translateY(-3px); }
.dock-app:active { transform: scale(0.9); }

/* nav buttons */
.phone-nav {
  display: flex;
  justify-content: space-around;
  padding: 10px 28px 4px;
}
.phone-nav button {
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 12px;
  border-radius: 8px;
}
.phone-nav button:hover { color: #34d399; background: rgba(52,211,153,0.1); }

.phone-caption { color: var(--text-soft); font-size: 0.82rem; text-align: center; }
.sim-hint { margin-top: 20px; font-size: 0.9rem; color: var(--green-dark); }
.sim-hint b { color: var(--green); }

/* app head */
.app-head {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #ecfdf5;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 12px 16px 10px;
  background: rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.head-back {
  background: none;
  border: none;
  color: #a7f3d0;
  font-size: 1.05rem;
  cursor: pointer;
  padding: 2px 8px;
  border-radius: 6px;
}
.head-back:hover { background: rgba(255,255,255,0.1); }
.screen-app { padding-bottom: 12px; }

/* dialer */
.dialer-display {
  text-align: center;
  color: #ecfdf5;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 22px 12px 6px;
  min-height: 52px;
}
.dialer-pad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 8px 18px;
}
.dial-key {
  background: rgba(255,255,255,0.1);
  border: none;
  color: #ecfdf5;
  font-size: 1.2rem;
  font-weight: 600;
  padding: 12px 0;
  border-radius: 14px;
  cursor: pointer;
}
.dial-key small { display: block; font-size: 0.55rem; font-weight: 400; opacity: 0.6; }
.dial-key:hover { background: rgba(255,255,255,0.18); }
.dial-key:active { transform: scale(0.94); }
.dialer-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 26px;
  padding: 14px 0 6px;
}
.call-btn {
  background: linear-gradient(135deg, #34d399, #10b981);
  border: none;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 11px 26px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(16,185,129,0.4);
}
.del-btn {
  background: rgba(255,255,255,0.1);
  border: none;
  color: #fca5a5;
  font-size: 1.1rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  cursor: pointer;
}

/* call screen */
.call-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: radial-gradient(circle at 50% 30%, #0b3d2e, #041d10);
  color: #ecfdf5;
}
.call-avatar {
  font-size: 4rem;
  width: 96px;
  height: 96px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
}
.call-name { font-size: 1.15rem; font-weight: 700; }
.call-status { font-size: 0.78rem; opacity: 0.8; }
.call-wave { display: flex; gap: 5px; margin: 10px 0; }
.call-wave span {
  width: 6px; height: 6px; border-radius: 50%;
  background: #34d399;
  animation: wave 1.2s infinite;
}
.call-wave span:nth-child(2) { animation-delay: 0.15s; }
.call-wave span:nth-child(3) { animation-delay: 0.3s; }
.call-wave span:nth-child(4) { animation-delay: 0.45s; }
@keyframes wave { 0%,100% { transform: scale(1); opacity: 0.5; } 50% { transform: scale(1.8); opacity: 1; } }
.hangup-btn {
  background: #ef4444;
  border: none;
  color: #fff;
  font-size: 1.3rem;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  cursor: pointer;
  margin-top: 18px;
  box-shadow: 0 6px 18px rgba(239,68,68,0.5);
}
.hangup-btn:hover { transform: scale(1.1); }

/* messages */
.chat { flex: 1; padding: 14px; display: flex; flex-direction: column; gap: 8px; overflow: hidden; }
.bubble {
  max-width: 78%;
  padding: 9px 13px;
  border-radius: 16px;
  font-size: 0.76rem;
  line-height: 1.4;
}
.bubble.in {
  align-self: flex-start;
  background: rgba(255,255,255,0.12);
  color: #ecfdf5;
  border-bottom-left-radius: 4px;
}
.bubble.out {
  align-self: flex-end;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-input {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255,255,255,0.1);
  border-radius: 999px;
  padding: 10px 14px;
  margin: 0 14px 6px;
  color: rgba(236,253,245,0.5);
  font-size: 0.75rem;
}
.chat-input button { background: none; border: none; font-size: 1rem; cursor: pointer; }

/* chrome */
.chrome-bar { padding: 10px 14px; }
.chrome-addr {
  display: block;
  background: rgba(255,255,255,0.1);
  color: #a7f3d0;
  font-size: 0.68rem;
  padding: 7px 12px;
  border-radius: 999px;
  text-align: center;
}
.chrome-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px;
  color: #ecfdf5;
  text-align: center;
}
.chrome-logo { font-size: 2.6rem; }
.chrome-content h4 { font-size: 1.1rem; }
.chrome-content p { font-size: 0.72rem; opacity: 0.8; max-width: 230px; }
.chrome-cards { display: flex; gap: 8px; margin-top: 10px; }
.chrome-card {
  background: rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 0.68rem;
}

/* camera */
.camera-view {
  position: relative;
  flex: 1;
  margin: 10px;
  border-radius: 18px;
  background: linear-gradient(160deg, #0ea5e9, #1e3a8a);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background 0.4s;
}
.camera-controls {
  display: flex;
  justify-content: flex-end;
  gap: 14px;
  padding: 14px;
  font-size: 1rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}
.shutter-row {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 14px;
  font-size: 1.1rem;
}
.shutter-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: 4px solid #fff;
  background: rgba(255,255,255,0.9);
  cursor: pointer;
}
.shutter-btn:hover { transform: scale(1.08); }
.shutter-btn:active { transform: scale(0.9); }
.flash-flash {
  position: absolute;
  inset: 0;
  background: #fff;
  opacity: 0;
  transition: opacity 0.25s;
  border-radius: 18px;
  pointer-events: none;
}

/* music */
.music-album {
  font-size: 4rem;
  width: 120px;
  height: 120px;
  display: grid;
  place-items: center;
  margin: 26px auto 12px;
  background: linear-gradient(135deg, #8b5cf6, #06b6d4);
  border-radius: 22px;
  box-shadow: 0 12px 30px rgba(139,92,246,0.4);
}
.music-title { text-align: center; color: #ecfdf5; font-weight: 700; font-size: 1rem; }
.music-artist { text-align: center; color: rgba(236,253,245,0.6); font-size: 0.72rem; margin-bottom: 16px; }
.music-progress { padding: 0 24px; }
.music-bar { height: 5px; background: rgba(255,255,255,0.15); border-radius: 99px; overflow: hidden; }
.music-fill { height: 100%; width: 0%; background: linear-gradient(90deg, #34d399, #22d3ee); transition: width 1s linear; }
.music-times { display: flex; justify-content: space-between; font-size: 0.62rem; color: rgba(236,253,245,0.6); margin-top: 5px; }
.music-controls { display: flex; justify-content: center; align-items: center; gap: 26px; padding: 18px 0; }
.music-controls button {
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
}
.play-btn {
  background: linear-gradient(135deg, #34d399, #10b981) !important;
  width: 56px;
  height: 56px;
  border-radius: 50% !important;
  font-size: 1.4rem !important;
  box-shadow: 0 6px 18px rgba(16,185,129,0.4);
}

/* youtube */
.yt-thumb {
  margin: 12px 14px;
  height: 110px;
  border-radius: 14px;
  background: linear-gradient(135deg, #ef4444, #7f1d1d);
  display: grid;
  place-items: center;
  font-size: 2.4rem;
}
.yt-title { padding: 0 14px; color: #ecfdf5; font-weight: 700; font-size: 0.85rem; }
.yt-info { padding: 4px 14px 10px; color: rgba(236,253,245,0.6); font-size: 0.68rem; }
.yt-list { padding: 6px 14px; display: flex; flex-direction: column; gap: 8px; }
.yt-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.07);
  border-radius: 10px;
  padding: 8px 10px;
}
.yt-item span { font-size: 1.2rem; }
.yt-item b { color: #ecfdf5; font-size: 0.72rem; display: block; }
.yt-item small { color: rgba(236,253,245,0.6); font-size: 0.62rem; }

/* play store */
.store-search {
  margin: 12px 14px;
  background: rgba(255,255,255,0.1);
  color: rgba(236,253,245,0.5);
  font-size: 0.75rem;
  padding: 9px 14px;
  border-radius: 999px;
}
.store-row { display: flex; gap: 10px; padding: 0 14px 10px; }
.store-app {
  flex: 1;
  background: rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  align-items: flex-start;
}
.store-app span { font-size: 1.6rem; }
.store-app b { color: #ecfdf5; font-size: 0.78rem; }
.store-app small { color: rgba(236,253,245,0.6); font-size: 0.62rem; }
.store-app button {
  margin-top: 6px;
  background: linear-gradient(135deg, #34d399, #10b981);
  border: none;
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  cursor: pointer;
}

/* settings */
.set-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  color: #ecfdf5;
}
.set-item > span { font-size: 1.2rem; }
.set-item b { font-size: 0.8rem; display: block; }
.set-item small { color: rgba(236,253,245,0.6); font-size: 0.66rem; }
.set-item > div { flex: 1; }
.toggle {
  width: 42px;
  height: 24px;
  border-radius: 999px;
  border: none;
  background: rgba(255,255,255,0.2);
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
}
.toggle::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  transition: left 0.2s;
}
.toggle.on { background: linear-gradient(135deg, #34d399, #10b981); }
.toggle.on::after { left: 21px; }
.bat-mini { flex-shrink: 0 !important; width: 50px; height: 14px; border: 1.5px solid rgba(255,255,255,0.3); border-radius: 4px; padding: 2px; }
.bat-mini i { display: block; height: 100%; background: #34d399; border-radius: 2px; }
.bright { flex-shrink: 0 !important; width: 80px; height: 8px; background: rgba(255,255,255,0.15); border-radius: 99px; overflow: hidden; }
.bright i { display: block; height: 100%; width: 70%; background: linear-gradient(90deg, #facc15, #f59e0b); border-radius: 99px; }

/* calculator */
.calc-display {
  text-align: right;
  color: #ecfdf5;
  font-size: 2.2rem;
  font-weight: 700;
  padding: 26px 20px 14px;
  min-height: 76px;
  overflow: hidden;
  white-space: nowrap;
}
.calc-pad {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 9px;
  padding: 0 14px;
}
.calc-key {
  background: rgba(255,255,255,0.1);
  border: none;
  color: #ecfdf5;
  font-size: 1.15rem;
  font-weight: 600;
  padding: 14px 0;
  border-radius: 14px;
  cursor: pointer;
}
.calc-key:hover { background: rgba(255,255,255,0.18); }
.calc-key:active { transform: scale(0.93); }
.calc-key.fn { color: #fca5a5; }
.calc-key.op { background: rgba(16,185,129,0.2); color: #a7f3d0; }
.calc-key.eq { background: linear-gradient(135deg, #34d399, #10b981); color: #fff; }
.calc-key.zero { grid-column: span 2; }

/* gallery */
.gal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding: 12px 12px 0;
}
.gal-tile {
  aspect-ratio: 1;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
}
.t1 { background: linear-gradient(135deg, #0ea5e9, #065f46); }
.t2 { background: linear-gradient(135deg, #f59e0b, #b45309); }
.t3 { background: linear-gradient(135deg, #ef4444, #7f1d1d); }
.t4 { background: linear-gradient(135deg, #8b5cf6, #4c1d95); }
.t5 { background: linear-gradient(135deg, #06b6d4, #164e63); }
.t6 { background: linear-gradient(135deg, #10b981, #065f46); }
.t7 { background: linear-gradient(135deg, #64748b, #1e293b); }
.t8 { background: linear-gradient(135deg, #facc15, #92400e); }

/* clock */
.clock-big {
  text-align: center;
  color: #ecfdf5;
  font-size: 3.2rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-top: 40px;
}
.clock-date { text-align: center; color: rgba(236,253,245,0.6); font-size: 0.8rem; margin-bottom: 34px; }
.clock-row { display: flex; gap: 10px; padding: 0 16px; }
.clock-card {
  flex: 1;
  background: rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 14px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  color: #ecfdf5;
  font-size: 1.1rem;
}
.clock-card b { font-size: 0.85rem; }
.clock-card small { color: rgba(236,253,245,0.6); font-size: 0.62rem; }

/* whatsapp */
.wa-chat { flex: 1; padding: 8px 0; }
.wa-contact {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  cursor: pointer;
}
.wa-contact:hover { background: rgba(255,255,255,0.05); }
.wa-contact > span {
  font-size: 1.5rem;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
}
.wa-contact > div { flex: 1; }
.wa-contact b { color: #ecfdf5; font-size: 0.8rem; display: block; }
.wa-contact small { color: rgba(236,253,245,0.6); font-size: 0.66rem; }
.wa-contact time { color: rgba(236,253,245,0.45); font-size: 0.6rem; }

/* shade */
.shade {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  background: rgba(8, 28, 20, 0.96);
  backdrop-filter: blur(10px);
  padding: 14px;
  transform: translateY(-105%);
  transition: transform 0.28s ease;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.shade.open { transform: translateY(0); }
.shade-toggles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}
.shade-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  background: rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 10px 6px;
  color: #94a3b8;
  font-size: 1.1rem;
  cursor: pointer;
  user-select: none;
}
.shade-tile small { font-size: 0.58rem; }
.shade-tile.on { background: linear-gradient(135deg, #10b981, #059669); color: #fff; }
.shade-notif {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 10px 12px;
  margin-bottom: 8px;
  color: #ecfdf5;
}
.shade-notif-icon { font-size: 1.2rem; }
.shade-notif > div { flex: 1; }
.shade-notif b { font-size: 0.75rem; display: block; }
.shade-notif small { color: rgba(236,253,245,0.65); font-size: 0.66rem; }
.shade-notif time { color: rgba(236,253,245,0.45); font-size: 0.6rem; }

/* ---------- SECTIONS ---------- */
.section { padding: 72px 32px; max-width: 1100px; margin: 0 auto; }
.section.dark {
  background: var(--bg-dark);
  color: #e2e8f0;
  max-width: none;
  border-radius: 0;
}
.section.dark h2 { color: #f1f5f9; }
.section.dark .section-tag { color: #94a3b8; border-color: #334155; }

h2 {
  font-size: 1.9rem;
  letter-spacing: -0.02em;
  margin-bottom: 34px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.section-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-soft);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 999px;
}

/* ---------- REQUIREMENTS ---------- */
.req-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}
.req-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  transition: transform 0.15s;
}
.req-card:hover { transform: translateY(-4px); }
.req-card h3 { font-size: 0.95rem; color: var(--text-soft); margin-bottom: 10px; }
.big { font-size: 1.7rem; font-weight: 700; letter-spacing: -0.02em; }
.min { font-size: 0.75rem; font-weight: 500; color: var(--text-soft); }
.ok { color: var(--green-dark); font-size: 0.85rem; margin: 8px 0 10px; }
.ok b { color: var(--green); }
.req-card small { color: var(--text-soft); display: block; margin-top: 10px; }

.meter {
  height: 7px;
  background: #e2e8f0;
  border-radius: 99px;
  overflow: hidden;
}
.meter-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--cyan));
  border-radius: 99px;
}

/* ---------- VERSIONS ---------- */
.version-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.version-card {
  position: relative;
  background: var(--bg-dark-2);
  border: 1px solid #26344d;
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.15s, border-color 0.2s;
}
.version-card:hover { transform: translateY(-4px); border-color: var(--green); }
.version-card.featured { border: 2px solid var(--green); }
.ribbon {
  position: absolute;
  top: -12px;
  right: 18px;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.03em;
}
.version-card h3 { font-size: 1.15rem; color: #f1f5f9; }
.desc { color: #94a3b8; font-size: 0.88rem; }
.version-card ul { list-style: none; display: flex; flex-direction: column; gap: 7px; margin: 6px 0 12px; }
.version-card li { color: #cbd5e1; font-size: 0.85rem; }
.version-card li:not(:has(✗)) { color: #a7f3d0; }

/* ---------- STEPS ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}
.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.step-num {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
}
.step h3 { font-size: 1rem; margin-bottom: 8px; }
.step p { color: var(--text-soft); font-size: 0.88rem; }
.step code {
  background: #f1f5f9;
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--green-dark);
}

.terminal {
  background: #0b1120;
  border: 1px solid #1e293b;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  max-width: 720px;
  margin: 0 auto;
}
.terminal-bar {
  background: #1e293b;
  color: #94a3b8;
  font-size: 0.75rem;
  padding: 9px 16px;
  font-family: ui-monospace, Menlo, monospace;
}
.terminal pre {
  color: #a7f3d0;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 0.8rem;
  padding: 20px;
  overflow-x: auto;
  line-height: 1.7;
}

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq details {
  background: var(--bg-dark-2);
  border: 1px solid #26344d;
  border-radius: 12px;
  padding: 18px 22px;
  cursor: pointer;
}
.faq summary {
  color: #f1f5f9;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
}
.faq p { color: #94a3b8; font-size: 0.88rem; margin-top: 10px; }

/* ---------- FOOTER ---------- */
footer {
  background: #0b1120;
  color: #94a3b8;
  text-align: center;
  padding: 40px 24px;
  font-size: 0.85rem;
}
footer b { color: #e2e8f0; }
.signature {
  margin-top: 8px;
  color: var(--green);
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding: 48px 24px; text-align: center; }
  .hero p { margin: 0 auto; }
  .hero-cta { justify-content: center; }
  .specs-strip { justify-content: center; }
  .nav-links { display: none; }
  .section { padding: 52px 20px; }
  .version-grid { padding: 0 20px; }
}