/* ============================================================
   TERABOX API - MAIN STYLESHEET
   Powered By AK REVOLUTION DEVELOPMENT | @akrevolutiondev
   Color system | Dark mode | Animations | Gradients
   ============================================================ */

:root {
  --primary: #0075ED;
  --primary-dark: #005BC4;
  --primary-deep: #003B7A;
  --primary-light: #E8F3FF;
  --primary-lighter: #F5FAFF;
  --white: #FFFFFF;
  --text-main: #172033;
  --text-secondary: #64748B;
  --border: #E2E8F0;
  --success: #16A34A;
  --warning: #F59E0B;
  --error: #EF4444;

  --bg-body: var(--white);
  --bg-soft: var(--primary-lighter);
  --bg-card: var(--white);
  --bg-nav: rgba(255,255,255,.85);
  --bg-code: #0f172a;
  --text-code: #e2e8f0;
  --shadow-sm: 0 2px 8px rgba(23,32,51,.06);
  --shadow-md: 0 12px 32px rgba(23,32,51,.10);
  --shadow-lg: 0 30px 70px rgba(0,117,237,.16);
  --radius: 16px;
  --radius-sm: 10px;
  --gradient: linear-gradient(90deg, #0075ED 0%, #005BC4 50%, #00b4ff 100%);
  --gradient-soft: linear-gradient(135deg, #E8F3FF 0%, #F5FAFF 100%);
  --gradient-text: linear-gradient(90deg, #0075ED 0%, #00a6ff 100%);
  --font: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
}

[data-theme="dark"] {
  --bg-body: #0b1220;
  --bg-soft: #0f1a2e;
  --bg-card: #111c30;
  --bg-nav: rgba(11,18,32,.88);
  --border: #1e2c47;
  --text-main: #E8F3FF;
  --text-secondary: #93a5c1;
  --primary-light: #123053;
  --primary-lighter: #0f1a2e;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.35);
  --shadow-md: 0 12px 32px rgba(0,0,0,.4);
  --shadow-lg: 0 30px 70px rgba(0,117,237,.2);
  --gradient-soft: linear-gradient(135deg, #0f1a2e 0%, #0b1220 100%);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background .4s ease, color .4s ease;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .25s; }
a:hover { color: var(--primary-dark); }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

::selection { background: var(--primary); color: #fff; }

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-soft); }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--primary), var(--primary-dark)); border-radius: 8px; }

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

/* ---------- ALERTS ---------- */
.alert { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 18px; font-size: 14px; animation: slideDown .45s ease; }
.alert-success { background: #F0FDF4; color: var(--success); border: 1px solid #BBF7D0; }
.alert-error { background: #FEF2F2; color: var(--error); border: 1px solid #FECACA; }
.alert-warning { background: #FFFBEB; color: #B45309; border: 1px solid #FDE68A; }
.alert-info { background: var(--primary-light); color: var(--primary-dark); border: 1px solid #BFDBFE; }
[data-theme="dark"] .alert-success { background: #0d2818; color: #4ade80; border-color: #14532d; }
[data-theme="dark"] .alert-error { background: #2a1215; color: #f87171; border-color: #7f1d1d; }
[data-theme="dark"] .alert-warning { background: #2a1f0d; color: #fbbf24; border-color: #713f12; }
[data-theme="dark"] .alert-info { background: #0f1f3a; color: #60a5fa; border-color: #1e3a8a; }
.alert-close { background: none; border: none; font-size: 20px; color: inherit; opacity: .6; line-height: 1; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; border-radius: 12px; font-size: 15px; font-weight: 700;
  border: 2px solid transparent; transition: all .3s ease; position: relative; overflow: hidden;
  white-space: nowrap;
}
.btn-primary { background: var(--gradient); color: #fff; box-shadow: 0 8px 22px rgba(0,117,237,.32); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(0,117,237,.45); color: #fff; }
.btn-secondary { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-secondary:hover { background: var(--primary-light); transform: translateY(-2px); }
.btn-dark { background: linear-gradient(90deg, #172033, #003B7A); color: #fff; }
.btn-dark:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(23,32,51,.3); }
.btn-ghost { background: var(--bg-card); color: var(--text-main); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-success { background: linear-gradient(90deg, #16A34A, #22c55e); color: #fff; }
.btn-danger { background: linear-gradient(90deg, #EF4444, #f87171); color: #fff; }
.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: 9px; }
.btn-lg { padding: 16px 38px; font-size: 17px; }
.btn-block { width: 100%; }
.btn .shine { position: absolute; top: 0; left: -100%; width: 50%; height: 100%; background: linear-gradient(120deg, transparent, rgba(255,255,255,.4), transparent); transform: skewX(-20deg); animation: shine 3s infinite; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none !important; }

@keyframes shine { 0% { left: -100%; } 60%, 100% { left: 150%; } }

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--bg-nav); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border); transition: all .35s ease;
}
.navbar.scrolled { box-shadow: var(--shadow-sm); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--text-main); }
.logo-icon { width: 38px; height: 38px; border-radius: 11px; background: var(--gradient); display: grid; place-items: center; color: #fff; font-size: 18px; box-shadow: 0 6px 16px rgba(0,117,237,.4); }
.logo span { background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a { color: var(--text-secondary); font-weight: 600; font-size: 15px; padding: 8px 14px; border-radius: 9px; transition: all .25s; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); background: var(--primary-light); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; background: none; border: none; font-size: 24px; color: var(--text-main); }

/* ---------- THEME TOGGLE ---------- */
.theme-toggle {
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--border);
  background: var(--bg-card); display: grid; place-items: center; font-size: 19px;
  color: var(--text-main); transition: all .35s; position: relative; overflow: hidden;
}
.theme-toggle:hover { transform: rotate(20deg) scale(1.05); border-color: var(--primary); }
.theme-toggle .icon-sun, .theme-toggle .icon-moon { position: absolute; transition: all .4s ease; }
.theme-toggle .icon-sun { opacity: 1; transform: translateY(0) rotate(0); }
.theme-toggle .icon-moon { opacity: 0; transform: translateY(30px) rotate(90deg); }
[data-theme="dark"] .theme-toggle .icon-sun { opacity: 0; transform: translateY(-30px) rotate(-90deg); }
[data-theme="dark"] .theme-toggle .icon-moon { opacity: 1; transform: translateY(0) rotate(0); }

/* ---------- MOBILE NAV ---------- */
.mobile-menu {
  position: fixed; inset: 0; z-index: 1100; background: var(--bg-card);
  display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 8px;
  opacity: 0; pointer-events: none; transition: opacity .35s ease;
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu a { font-size: 22px; font-weight: 700; color: var(--text-main); padding: 12px; }
.mobile-menu a:hover { color: var(--primary); }
.mobile-close { position: absolute; top: 22px; right: 26px; font-size: 30px; background: none; border: none; color: var(--text-main); }

/* ---------- HERO ---------- */
.hero { position: relative; padding: 160px 0 100px; overflow: hidden; background: var(--gradient-soft); }
#particles-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--bg-card); border: 1px solid var(--border); padding: 8px 16px; border-radius: 50px; font-size: 13px; font-weight: 600; color: var(--text-secondary); box-shadow: var(--shadow-sm); animation: floaty 5s ease-in-out infinite; }
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 4px rgba(22,163,74,.18); animation: pulse 1.6s infinite; }
.hero h1 { font-size: clamp(32px, 5vw, 56px); font-weight: 900; line-height: 1.12; margin: 22px 0 20px; letter-spacing: -.5px; }
.hero h1 .grad { background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p.lead { font-size: 18px; color: var(--text-secondary); max-width: 520px; margin-bottom: 30px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.hero-stat h3 { font-size: 30px; font-weight: 900; background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-stat p { font-size: 13px; color: var(--text-secondary); }

/* hero visual - mockup */
.hero-visual { position: relative; }
.mockup {
  position: relative; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 22px; box-shadow: var(--shadow-lg); padding: 22px; transform: perspective(1000px) rotateY(-8deg) rotateX(3deg); transition: transform .5s ease;
}
.mockup:hover { transform: perspective(1000px) rotateY(0deg) rotateX(0deg); }
.mockup-bar { display: flex; gap: 6px; margin-bottom: 16px; }
.mockup-bar span { width: 11px; height: 11px; border-radius: 50%; }
.mockup-bar span:nth-child(1) { background: #ff5f57; } .mockup-bar span:nth-child(2) { background: #febc2e; } .mockup-bar span:nth-child(3) { background: #28c840; }
.mockup-code { background: var(--bg-code); color: var(--text-code); border-radius: 14px; padding: 18px; font-size: 12.5px; font-family: 'Consolas','Courier New',monospace; line-height: 1.7; overflow: auto; }
.mockup-code .k { color: #93c5fd; } .mockup-code .s { color: #86efac; } .mockup-code .c { color: #64748b; } .mockup-code .n { color: #fbbf24; } .mockup-code .o { color: #f472b6; }
.float-card { position: absolute; background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 12px 16px; box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600; animation: floaty 6s ease-in-out infinite; }
.float-card.success { color: var(--success); top: -18px; right: -10px; }
.float-card.info { color: var(--primary); bottom: -16px; left: -14px; animation-delay: 1.5s; }
.float-card .ic { font-size: 18px; }

/* blobs */
.blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .45; z-index: 1; pointer-events: none; }
.blob-1 { width: 420px; height: 420px; background: radial-gradient(circle, #0075ED, transparent 70%); top: -120px; right: -80px; animation: blobmove 16s ease-in-out infinite; }
.blob-2 { width: 360px; height: 360px; background: radial-gradient(circle, #00b4ff, transparent 70%); bottom: -140px; left: -100px; animation: blobmove 20s ease-in-out infinite reverse; }
.blob-3 { width: 220px; height: 220px; background: radial-gradient(circle, #005BC4, transparent 70%); top: 40%; left: 45%; animation: blobmove 24s ease-in-out infinite; }

/* ---------- SECTION HEADERS ---------- */
.section { padding: 96px 0; position: relative; }
.section-alt { background: var(--bg-soft); }
.section-eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--primary); background: var(--primary-light); padding: 6px 14px; border-radius: 50px; margin-bottom: 14px; }
.section-title { font-size: clamp(26px, 4vw, 42px); font-weight: 900; letter-spacing: -.4px; margin-bottom: 14px; line-height: 1.15; }
.section-title .grad { background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.section-desc { color: var(--text-secondary); font-size: 16.5px; max-width: 620px; margin: 0 auto; }
.center { text-align: center; }
.center .section-desc { margin-left: auto; margin-right: auto; }

/* ---------- FEATURE GRID ---------- */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 52px; }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 26px; transition: all .35s ease; position: relative; overflow: hidden;
}
.feature-card::before { content: ''; position: absolute; inset: 0; background: var(--gradient); opacity: 0; transition: opacity .35s; }
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-card:hover::before { opacity: .06; }
.feature-icon { width: 58px; height: 58px; border-radius: 15px; background: var(--gradient); display: grid; place-items: center; font-size: 26px; color: #fff; margin-bottom: 20px; box-shadow: 0 10px 24px rgba(0,117,237,.3); transition: transform .35s; }
.feature-card:hover .feature-icon { transform: rotateY(180deg); }
.feature-card h3 { font-size: 19px; font-weight: 800; margin-bottom: 10px; }
.feature-card p { color: var(--text-secondary); font-size: 14.5px; }

/* ---------- API PROVIDER CARDS ---------- */
.providers-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-top: 52px; }
.provider-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px;
  padding: 34px 30px; transition: all .35s ease; position: relative; overflow: hidden;
}
.provider-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.provider-card .p-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.provider-card .p-logo { font-size: 15px; font-weight: 900; color: #fff; background: var(--gradient); padding: 8px 18px; border-radius: 10px; letter-spacing: .5px; box-shadow: 0 8px 18px rgba(0,117,237,.3); }
.provider-card .p-badge { font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 50px; }
.provider-card .p-badge.blue { background: var(--primary-light); color: var(--primary); }
.provider-card .p-badge.green { background: #F0FDF4; color: var(--success); }
.provider-card h3 { font-size: 22px; font-weight: 800; margin-bottom: 8px; }
.provider-card .p-desc { color: var(--text-secondary); font-size: 14.5px; margin-bottom: 20px; }
.provider-card .p-features { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; margin-bottom: 24px; }
.provider-card .p-features li { font-size: 13.5px; color: var(--text-secondary); display: flex; gap: 8px; align-items: flex-start; }
.provider-card .p-features li::before { content: '✓'; color: var(--success); font-weight: 900; }
.provider-card .p-price { display: flex; align-items: baseline; gap: 6px; margin-bottom: 6px; }
.provider-card .p-price b { font-size: 26px; font-weight: 900; }
.provider-card .p-price small { color: var(--text-secondary); font-size: 13px; }
.provider-card .p-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }

/* ---------- PRICING ---------- */
.pricing-tabs { display: flex; gap: 10px; justify-content: center; margin-top: 44px; flex-wrap: wrap; }
.pricing-tab { padding: 12px 26px; border-radius: 50px; border: 2px solid var(--border); background: var(--bg-card); font-weight: 700; font-size: 15px; color: var(--text-secondary); transition: all .3s; }
.pricing-tab.active { border-color: var(--primary); color: var(--primary); background: var(--primary-light); box-shadow: 0 6px 18px rgba(0,117,237,.18); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.pricing-grid[data-provider="2"] { display: none; }
.pricing-grid.show { display: grid; animation: fadeUp .5s ease; }
.pricing-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 22px;
  padding: 32px 28px; position: relative; transition: all .35s ease; display: flex; flex-direction: column;
}
.pricing-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.pricing-card.featured { border: 2px solid var(--primary); box-shadow: 0 20px 50px rgba(0,117,237,.25); }
.pricing-card .ribbon { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--gradient); color: #fff; font-size: 12px; font-weight: 800; padding: 5px 18px; border-radius: 50px; letter-spacing: .5px; box-shadow: 0 6px 16px rgba(0,117,237,.4); }
.pricing-card .p-name { font-size: 18px; font-weight: 800; margin-bottom: 4px; }
.pricing-card .p-tag { font-size: 13px; color: var(--text-secondary); margin-bottom: 20px; }
.pricing-card .p-price { display: flex; align-items: baseline; gap: 6px; margin-bottom: 4px; }
.pricing-card .p-price .amount { font-size: 38px; font-weight: 900; background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.pricing-card .p-price .cur { font-size: 20px; font-weight: 800; color: var(--text-secondary); }
.pricing-card .p-price-usd { font-size: 13px; color: var(--text-secondary); margin-bottom: 22px; }
.pricing-card ul.feats { flex: 1; margin-bottom: 26px; }
.pricing-card ul.feats li { display: flex; gap: 10px; font-size: 14px; padding: 7px 0; color: var(--text-secondary); }
.pricing-card ul.feats li::before { content: '✓'; color: var(--success); font-weight: 900; flex-shrink: 0; }
.pricing-note { text-align: center; color: var(--text-secondary); font-size: 14px; margin-top: 30px; display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; }

/* ---------- LIFETIME GUARANTEE ---------- */
.guarantee { background: var(--gradient); color: #fff; border-radius: 26px; padding: 60px 50px; position: relative; overflow: hidden; }
.guarantee::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); opacity: .6; }
.guarantee .g-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
.guarantee h2 { font-size: clamp(24px, 3.4vw, 36px); font-weight: 900; margin-bottom: 16px; }
.guarantee p { font-size: 16px; opacity: .92; max-width: 560px; margin-bottom: 26px; }
.guarantee ul { display: flex; gap: 26px; flex-wrap: wrap; }
.guarantee ul li { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14.5px; }
.guarantee ul li::before { content: '✓'; background: rgba(255,255,255,.2); border-radius: 50%; width: 22px; height: 22px; display: grid; place-items: center; font-size: 12px; }
.guarantee-icon { width: 160px; height: 160px; border-radius: 50%; background: rgba(255,255,255,.14); display: grid; place-items: center; font-size: 68px; animation: pulseBig 3s ease-in-out infinite; box-shadow: 0 0 0 18px rgba(255,255,255,.06); }

/* ---------- HOW IT WORKS ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 52px; position: relative; }
.steps::before { content: ''; position: absolute; top: 42px; left: 8%; right: 8%; height: 3px; background: var(--gradient); opacity: .25; }
.step { text-align: center; position: relative; }
.step-num { width: 84px; height: 84px; margin: 0 auto 22px; border-radius: 22px; background: var(--bg-card); border: 2px solid var(--border); display: grid; place-items: center; font-size: 30px; position: relative; z-index: 2; transition: all .35s; box-shadow: var(--shadow-sm); }
.step:hover .step-num { background: var(--gradient); border-color: transparent; color: #fff; transform: translateY(-6px) rotate(-6deg); box-shadow: var(--shadow-lg); }
.step h3 { font-size: 17px; font-weight: 800; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text-secondary); max-width: 220px; margin: 0 auto; }

/* ---------- CODE BANNER ---------- */
.code-banner { background: var(--bg-code); border-radius: 20px; padding: 30px; margin-top: 52px; position: relative; overflow: hidden; box-shadow: var(--shadow-lg); }
.code-banner::before { content: ''; position: absolute; top: -60px; right: -60px; width: 200px; height: 200px; background: radial-gradient(circle, rgba(0,117,237,.35), transparent 70%); }
.code-banner .cb-header { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.code-banner .cb-header span { width: 10px; height: 10px; border-radius: 50%; }
.code-banner .cb-header .r { background: #ff5f57; } .code-banner .cb-header .y { background: #febc2e; } .code-banner .cb-header .g { background: #28c840; }
.code-banner pre { color: #cbd5e1; font-family: 'Consolas','Courier New',monospace; font-size: 13.5px; line-height: 1.75; overflow: auto; }
.code-banner pre .k { color: #93c5fd; } .code-banner pre .s { color: #86efac; } .code-banner pre .c { color: #64748b; } .code-banner pre .n { color: #fbbf24; }
.copy-btn { position: absolute; top: 18px; right: 18px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); color: #cbd5e1; padding: 7px 14px; border-radius: 8px; font-size: 12px; cursor: pointer; transition: .25s; }
.copy-btn:hover { background: rgba(255,255,255,.18); color: #fff; }

/* ---------- SEO CONTENT / FAQ ---------- */
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 48px; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; transition: .3s; }
.faq-item:hover { border-color: var(--primary); }
.faq-q { width: 100%; text-align: left; background: none; border: none; padding: 20px 22px; font-size: 15.5px; font-weight: 700; color: var(--text-main); display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq-q .arrow { transition: transform .3s; color: var(--primary); font-size: 18px; }
.faq-item.open .faq-q .arrow { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-a p { padding: 0 22px 22px; color: var(--text-secondary); font-size: 14.5px; }
.faq-item.open .faq-a { max-height: 400px; }

/* ---------- TESTIMONIAL / CTA ---------- */
.cta-band { background: var(--bg-code); border-radius: 26px; padding: 70px 50px; text-align: center; position: relative; overflow: hidden; color: #fff; }
.cta-band h2 { font-size: clamp(24px, 3.5vw, 38px); font-weight: 900; margin-bottom: 16px; }
.cta-band p { color: #94a3b8; font-size: 16px; max-width: 520px; margin: 0 auto 30px; }
.cta-band::before { content: ''; position: absolute; width: 400px; height: 400px; background: radial-gradient(circle, rgba(0,117,237,.5), transparent 70%); top: -160px; left: -120px; animation: blobmove 14s infinite; }
.cta-band::after { content: ''; position: absolute; width: 400px; height: 400px; background: radial-gradient(circle, rgba(0,180,255,.4), transparent 70%); bottom: -160px; right: -120px; animation: blobmove 18s infinite reverse; }
.cta-band .btn { position: relative; z-index: 2; }

/* ---------- FOOTER ---------- */
.footer { background: var(--bg-soft); border-top: 1px solid var(--border); padding: 70px 0 0; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 50px; }
.footer h4 { font-size: 15px; font-weight: 800; margin-bottom: 18px; }
.footer p { color: var(--text-secondary); font-size: 14px; max-width: 320px; margin-top: 14px; }
.footer ul li { margin-bottom: 10px; }
.footer ul a { color: var(--text-secondary); font-size: 14px; transition: .25s; }
.footer ul a:hover { color: var(--primary); padding-left: 5px; }
.footer-bottom { border-top: 1px solid var(--border); padding: 22px 0; text-align: center; font-size: 13.5px; color: var(--text-secondary); }
.footer-bottom b { color: var(--primary); }

/* ---------- REVEAL ANIMATIONS ---------- */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; } .reveal-delay-2 { transition-delay: .2s; } .reveal-delay-3 { transition-delay: .3s; } .reveal-delay-4 { transition-delay: .4s; }

/* ---------- AUTH PAGES ---------- */
.auth-wrap { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; position: relative; }
.auth-side { background: var(--gradient); color: #fff; padding: 60px; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; }
.auth-side::before { content: ''; position: absolute; width: 300px; height: 300px; border-radius: 50%; background: rgba(255,255,255,.12); top: -100px; right: -100px; }
.auth-side::after { content: ''; position: absolute; width: 200px; height: 200px; border-radius: 50%; background: rgba(255,255,255,.09); bottom: -70px; left: -60px; }
.auth-side h2 { font-size: 34px; font-weight: 900; margin-bottom: 14px; position: relative; z-index: 2; }
.auth-side p { opacity: .9; font-size: 16px; max-width: 400px; position: relative; z-index: 2; }
.auth-side .mini-stats { display: flex; gap: 30px; position: relative; z-index: 2; }
.auth-side .mini-stats div b { font-size: 26px; display: block; }
.auth-side .mini-stats div span { font-size: 12px; opacity: .8; }
.auth-card { display: flex; align-items: center; justify-content: center; padding: 40px 24px; background: var(--bg-body); }
.auth-box { width: 100%; max-width: 420px; }
.auth-box h1 { font-size: 28px; font-weight: 900; margin-bottom: 6px; }
.auth-box .auth-sub { color: var(--text-secondary); font-size: 14.5px; margin-bottom: 30px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13.5px; font-weight: 700; margin-bottom: 7px; color: var(--text-main); }
.form-control {
  width: 100%; padding: 13px 16px; border: 2px solid var(--border); border-radius: 12px;
  font-size: 15px; font-family: inherit; background: var(--bg-card); color: var(--text-main); transition: all .25s; outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(0,117,237,.14); }
.input-wrap { position: relative; }
.input-wrap .toggle-pass { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); background: none; border: none; font-size: 17px; color: var(--text-secondary); cursor: pointer; }
.auth-links { display: flex; justify-content: space-between; align-items: center; font-size: 13.5px; margin-top: 8px; }
.auth-divider { display: flex; align-items: center; gap: 14px; color: var(--text-secondary); font-size: 13px; margin: 22px 0; }
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.telegram-auth { display: block; text-align: center; background: #229ED9; color: #fff; font-weight: 700; padding: 13px; border-radius: 12px; transition: .3s; }
.telegram-auth:hover { background: #1d8bc2; color: #fff; transform: translateY(-2px); }

/* ---------- USER DASHBOARD ---------- */
.dash-wrap { display: grid; grid-template-columns: 250px 1fr; gap: 30px; padding-top: 100px; padding-bottom: 60px; }
.dash-side { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; height: fit-content; position: sticky; top: 90px; }
.dash-user { display: flex; align-items: center; gap: 12px; padding-bottom: 18px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.dash-avatar { width: 46px; height: 46px; border-radius: 50%; background: var(--gradient); color: #fff; font-weight: 800; display: grid; place-items: center; font-size: 19px; }
.dash-user b { display: block; font-size: 15px; }
.dash-user span { font-size: 12px; color: var(--text-secondary); }
.dash-menu a { display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-radius: 10px; color: var(--text-secondary); font-weight: 600; font-size: 14.5px; margin-bottom: 4px; transition: all .25s; }
.dash-menu a:hover { background: var(--primary-light); color: var(--primary); }
.dash-menu a.active { background: var(--gradient); color: #fff; box-shadow: 0 8px 18px rgba(0,117,237,.3); }
.dash-main { min-width: 0; }
.dash-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 26px; flex-wrap: wrap; }
.dash-head h1 { font-size: 26px; font-weight: 900; }
.dash-head p { color: var(--text-secondary); font-size: 14px; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 26px; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; position: relative; overflow: hidden; transition: .3s; }
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat-card .s-icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font-size: 20px; margin-bottom: 14px; }
.stat-card .s-value { font-size: 26px; font-weight: 900; }
.stat-card .s-label { font-size: 13px; color: var(--text-secondary); }
.stat-card.blue .s-icon { background: var(--primary-light); color: var(--primary); }
.stat-card.green .s-icon { background: #F0FDF4; color: var(--success); }
.stat-card.orange .s-icon { background: #FFFBEB; color: var(--warning); }
.stat-card.purple .s-icon { background: #FAF5FF; color: #8b5cf6; }
.stat-card .s-bar { position: absolute; bottom: 0; left: 0; height: 4px; background: var(--gradient); width: 40%; border-radius: 0 4px 4px 0; }

.panel { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; margin-bottom: 24px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 20px; flex-wrap: wrap; }
.panel-head h2 { font-size: 18px; font-weight: 800; }

.table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--border); }
.table { width: 100%; border-collapse: collapse; min-width: 560px; }
.table th { background: var(--bg-soft); text-align: left; padding: 13px 16px; font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--text-secondary); font-weight: 800; }
.table td { padding: 13px 16px; border-top: 1px solid var(--border); font-size: 14px; }
.table tr:hover td { background: var(--bg-soft); }

.badge { display: inline-block; padding: 4px 12px; border-radius: 50px; font-size: 12px; font-weight: 700; }
.badge-green { background: #F0FDF4; color: var(--success); }
.badge-red { background: #FEF2F2; color: var(--error); }
.badge-yellow { background: #FFFBEB; color: var(--warning); }
.badge-blue { background: var(--primary-light); color: var(--primary); }
.badge-gray { background: var(--bg-soft); color: var(--text-secondary); }
[data-theme="dark"] .badge-green { background: #0d2818; color: #4ade80; }
[data-theme="dark"] .badge-red { background: #2a1215; color: #f87171; }
[data-theme="dark"] .badge-yellow { background: #2a1f0d; color: #fbbf24; }
[data-theme="dark"] .badge-blue { background: #0f1f3a; color: #60a5fa; }

.key-box { display: flex; align-items: center; gap: 10px; background: var(--bg-soft); border: 1px dashed var(--border); border-radius: 10px; padding: 10px 14px; font-family: 'Consolas', monospace; font-size: 13px; overflow: hidden; }
.key-box code { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.key-box button { background: none; border: none; color: var(--primary); font-weight: 700; font-size: 13px; flex-shrink: 0; }

/* ---------- DOCS ---------- */
.docs-layout { display: grid; grid-template-columns: 260px 1fr; gap: 40px; padding-top: 100px; padding-bottom: 70px; }
.docs-nav { position: sticky; top: 90px; height: fit-content; max-height: calc(100vh - 110px); overflow-y: auto; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.docs-nav h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-secondary); margin: 18px 0 8px; }
.docs-nav h4:first-child { margin-top: 0; }
.docs-nav a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--text-secondary); font-size: 13.5px; font-weight: 600; transition: .25s; }
.docs-nav a:hover, .docs-nav a.active { background: var(--primary-light); color: var(--primary); }
.docs-content { min-width: 0; }
.docs-content h1 { font-size: 32px; font-weight: 900; margin-bottom: 8px; }
.docs-content .docs-sub { color: var(--text-secondary); font-size: 15px; margin-bottom: 30px; }
.docs-content h2 { font-size: 22px; font-weight: 800; margin: 40px 0 16px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.docs-content h3 { font-size: 17px; font-weight: 800; margin: 26px 0 12px; }
.docs-content p, .docs-content li { color: var(--text-secondary); font-size: 15px; }
.docs-content ul, .docs-content ol { padding-left: 22px; margin-bottom: 16px; }
.docs-content ul li { list-style: disc; padding: 3px 0; }
.docs-content ol li { list-style: decimal; padding: 3px 0; }
.docs-content table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; }
.docs-content th { background: var(--bg-soft); text-align: left; padding: 11px 14px; font-size: 12.5px; text-transform: uppercase; letter-spacing: .5px; }
.docs-content td { padding: 11px 14px; border: 1px solid var(--border); vertical-align: top; }
.docs-content pre { background: var(--bg-code); color: var(--text-code); border-radius: 12px; padding: 20px; overflow: auto; font-size: 13px; line-height: 1.7; margin: 14px 0; position: relative; }
.docs-content pre code { font-family: 'Consolas','Courier New',monospace; }
.docs-content pre .k { color: #93c5fd; } .docs-content pre .s { color: #86efac; } .docs-content pre .c { color: #64748b; } .docs-content pre .n { color: #fbbf24; } .docs-content pre .o { color: #f472b6; }
.docs-content .callout { padding: 16px 20px; border-radius: 12px; margin: 18px 0; font-size: 14.5px; display: flex; gap: 12px; align-items: flex-start; }
.docs-content .callout.info { background: var(--primary-light); border-left: 4px solid var(--primary); color: var(--primary-dark); }
.docs-content .callout.warn { background: #FFFBEB; border-left: 4px solid var(--warning); color: #B45309; }
.docs-content .callout.danger { background: #FEF2F2; border-left: 4px solid var(--error); color: #B91C1C; }
.docs-content .callout.success { background: #F0FDF4; border-left: 4px solid var(--success); color: #166534; }
[data-theme="dark"] .docs-content .callout.info { background: #0f1f3a; color: #60a5fa; }
[data-theme="dark"] .docs-content .callout.warn { background: #2a1f0d; color: #fbbf24; }
[data-theme="dark"] .docs-content .callout.danger { background: #2a1215; color: #f87171; }
[data-theme="dark"] .docs-content .callout.success { background: #0d2818; color: #4ade80; }
.method-badge { display: inline-block; padding: 4px 12px; border-radius: 6px; font-weight: 800; font-size: 12px; color: #fff; font-family: 'Consolas',monospace; }
.method-badge.get { background: #16A34A; } .method-badge.post { background: var(--primary); } .method-badge.put { background: #8b5cf6; } .method-badge.del { background: var(--error); }
.endpoint-line { display: flex; align-items: center; gap: 10px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 12px 16px; margin: 10px 0; flex-wrap: wrap; }
.endpoint-line code { font-family: 'Consolas',monospace; font-size: 14px; color: var(--primary); word-break: break-all; }
.code-tabbar { display: flex; gap: 4px; background: var(--bg-code); padding: 10px 10px 0; border-radius: 12px 12px 0 0; }
.code-tabbar button { background: none; border: none; color: #64748b; font-size: 13px; font-weight: 700; padding: 10px 18px; border-radius: 8px 8px 0 0; transition: .25s; }
.code-tabbar button.active { background: rgba(255,255,255,.08); color: #e2e8f0; }
.code-pane { display: none; }
.code-pane.active { display: block; animation: fadeIn .3s; }
.docs-content .code-pane pre { border-radius: 0 12px 12px 12px; }
.docs-content pre.no-tab { border-radius: 12px; }
.docs-toc { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 12px; padding: 18px 22px; margin: 20px 0; }
.docs-toc b { font-size: 13px; text-transform: uppercase; letter-spacing: .6px; color: var(--text-secondary); }
.docs-toc a { display: block; padding: 5px 0; font-size: 14px; }
.json-key { color: #93c5fd; }

/* ---------- ADMIN ---------- */
.admin-body { background: var(--bg-soft); }
.admin-topbar { position: fixed; top: 0; left: 0; right: 0; height: 66px; background: #0b1220; color: #fff; display: flex; align-items: center; justify-content: space-between; padding: 0 26px; z-index: 1000; }
.admin-topbar .logo { color: #fff; }
.admin-topbar .logo span { background: linear-gradient(90deg,#60a5fa,#38bdf8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.admin-topbar a { color: #94a3b8; }
.admin-layout { display: grid; grid-template-columns: 240px 1fr; padding-top: 66px; min-height: 100vh; }
.admin-side { background: #0b1220; color: #94a3b8; padding: 24px 16px; position: sticky; top: 66px; height: calc(100vh - 66px); overflow-y: auto; }
.admin-side h4 { font-size: 11px; text-transform: uppercase; letter-spacing: 1.4px; color: #475569; margin: 22px 0 8px; }
.admin-side h4:first-child { margin-top: 0; }
.admin-side a { display: flex; align-items: center; gap: 11px; padding: 11px 14px; border-radius: 10px; color: #94a3b8; font-size: 14px; font-weight: 600; transition: .25s; margin-bottom: 3px; }
.admin-side a:hover { background: rgba(255,255,255,.06); color: #fff; }
.admin-side a.active { background: linear-gradient(90deg,#0075ED,#005BC4); color: #fff; box-shadow: 0 8px 18px rgba(0,117,237,.3); }
.admin-main { padding: 28px; }
.admin-stat { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 28px; }
.admin-stat .stat { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 20px; position: relative; overflow: hidden; }
.admin-stat .stat .val { font-size: 26px; font-weight: 900; margin-top: 6px; }
.admin-stat .stat .lab { font-size: 13px; color: var(--text-secondary); }
.admin-stat .stat .ic { position: absolute; right: 16px; top: 16px; width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; font-size: 18px; }
.admin-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 24px; margin-bottom: 22px; }
.admin-card h3 { font-size: 17px; font-weight: 800; margin-bottom: 18px; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.admin-table th { text-align: left; padding: 11px 12px; background: var(--bg-soft); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--text-secondary); }
.admin-table td { padding: 11px 12px; border-top: 1px solid var(--border); }
.admin-table tr:hover td { background: var(--bg-soft); }
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.filter-bar input, .filter-bar select { padding: 10px 14px; border: 2px solid var(--border); border-radius: 9px; background: var(--bg-card); color: var(--text-main); font-size: 14px; outline: none; }
.filter-bar input:focus, .filter-bar select:focus { border-color: var(--primary); }

/* ---------- MISC ---------- */
.loading { position: fixed; inset: 0; background: var(--bg-body); z-index: 9999; display: grid; place-items: center; transition: opacity .5s, visibility .5s; }
.loading.hidden { opacity: 0; visibility: hidden; }
.loader { width: 54px; height: 54px; border-radius: 50%; border: 4px solid var(--primary-light); border-top-color: var(--primary); animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.back-to-top { position: fixed; bottom: 26px; right: 26px; width: 48px; height: 48px; border-radius: 50%; background: var(--gradient); color: #fff; border: none; font-size: 20px; box-shadow: var(--shadow-md); opacity: 0; visibility: hidden; transition: all .3s; z-index: 900; }
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-4px); }

.empty-state { text-align: center; padding: 50px 20px; color: var(--text-secondary); }
.empty-state .big { font-size: 52px; margin-bottom: 14px; }

.credit-pill { display: inline-flex; align-items: center; gap: 7px; background: var(--primary-light); color: var(--primary); border-radius: 50px; padding: 7px 16px; font-weight: 800; font-size: 13.5px; }
.credit-pill .bolt { font-size: 15px; }

/* ---------- ANIMATIONS ---------- */
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }
@keyframes pulseBig { 0%, 100% { transform: scale(1); box-shadow: 0 0 0 18px rgba(255,255,255,.06); } 50% { transform: scale(1.06); box-shadow: 0 0 0 28px rgba(255,255,255,.03); } }
@keyframes blobmove { 0%, 100% { transform: translate(0, 0) scale(1); } 33% { transform: translate(40px, -30px) scale(1.1); } 66% { transform: translate(-30px, 30px) scale(.95); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideDown { from { opacity: 0; transform: translateY(-14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes typing { 0% { width: 0; } 100% { width: 100%; } }

/* ---------- RESPONSIVE (mobile.css loads separately for mobile app feel) ---------- */
@media (max-width: 992px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps::before { display: none; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .admin-stat { grid-template-columns: repeat(2, 1fr); }
  .dash-wrap { grid-template-columns: 1fr; }
  .dash-side { position: static; }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-nav { position: static; max-height: none; }
  .hero { padding: 130px 0 70px; }
  .hero-grid { grid-template-columns: 1fr; gap: 50px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .auth-wrap { grid-template-columns: 1fr; }
  .auth-side { display: none; }
}