/* ==========================================
   NexusAPI — Enhanced Visual Styles v2
   ========================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

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

:root {
  --bg:          #05080f;
  --bg2:         #080d18;
  --bg3:         #0c1220;
  --surface:     rgba(255,255,255,0.035);
  --surface2:    rgba(255,255,255,0.065);
  --surface3:    rgba(255,255,255,0.10);
  --border:      rgba(255,255,255,0.07);
  --border2:     rgba(255,255,255,0.13);
  --border3:     rgba(99,102,241,0.35);
  --text:        #f1f5f9;
  --text2:       #94a3b8;
  --text3:       #64748b;
  --primary:     #6366f1;
  --primary2:    #818cf8;
  --primary3:    #a5b4fc;
  --primary-dark:#4338ca;
  --accent:      #06b6d4;
  --accent2:     #22d3ee;
  --green:       #10b981;
  --yellow:      #f59e0b;
  --pink:        #ec4899;
  --radius:      14px;
  --radius-sm:   8px;
  --radius-lg:   22px;
  --radius-xl:   32px;
  --shadow:      0 4px 24px rgba(0,0,0,0.5);
  --shadow-lg:   0 8px 60px rgba(0,0,0,0.7);
  --glow:        0 0 50px rgba(99,102,241,0.28);
  --glow2:       0 0 80px rgba(99,102,241,0.18);
  --glow-cyan:   0 0 40px rgba(6,182,212,0.3);
  --font:        'Inter', 'Noto Sans JP', system-ui, sans-serif;
  --mono:        'SF Mono','Fira Code',Consolas,monospace;
  --ease:        cubic-bezier(0.4,0,0.2,1);
  --ease-spring: cubic-bezier(0.34,1.56,0.64,1);
  --transition:  0.22s var(--ease);
}

html { scroll-behavior: smooth; }

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--primary-dark); border-radius: 3px; }

/* ==========================================
   PARTICLE CANVAS
   ========================================== */
#particle-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

/* ==========================================
   NAVBAR — glass morphism
   ========================================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: all 0.3s var(--ease);
}
.navbar.scrolled {
  background: rgba(5,8,15,0.75);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 40px rgba(0,0,0,0.5);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 70px;
  padding: 0 36px;
  max-width: 1400px;
  margin: 0 auto;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.25rem;
  flex-shrink: 0;
  transition: opacity var(--transition);
}
.logo:hover { opacity: 0.85; }
.logo-icon {
  font-size: 1.5rem;
  background: linear-gradient(135deg, #818cf8, #6366f1, #06b6d4);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 8px rgba(99,102,241,0.7));
  animation: spin-slow 8s linear infinite;
}
@keyframes spin-slow { to { filter: drop-shadow(0 0 12px rgba(6,182,212,0.7)); } }
.logo-text {
  background: linear-gradient(135deg, #a5b4fc 0%, #6366f1 50%, #22d3ee 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.nav-links { display: flex; gap: 4px; }
.nav-links a {
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text3);
  transition: all var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: 4px; left: 50%; right: 50%;
  height: 2px; background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { left: 16px; right: 16px; }

.nav-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }

/* Lang switcher */
.lang-switcher {
  display: flex; gap: 3px;
  background: rgba(255,255,255,0.05);
  border-radius: 50px; padding: 3px;
  border: 1px solid var(--border);
}
.lang-btn {
  padding: 5px 13px; border-radius: 50px; border: none;
  background: transparent; color: var(--text3);
  font-size: 0.78rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition);
  font-family: var(--font); letter-spacing: 0.02em;
}
.lang-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 2px 12px rgba(99,102,241,0.4);
}
.lang-btn:hover:not(.active) { color: var(--text2); background: rgba(255,255,255,0.06); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 24px; border-radius: 50px;
  font-size: 0.9rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition);
  border: none; white-space: nowrap;
  font-family: var(--font); text-decoration: none;
  position: relative; overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(255,255,255,0);
  transition: background 0.2s;
}
.btn:hover::after { background: rgba(255,255,255,0.06); }

.btn-primary {
  background: linear-gradient(135deg, #818cf8 0%, #6366f1 50%, #4338ca 100%);
  color: #fff;
  box-shadow: 0 0 24px rgba(99,102,241,0.4), 0 4px 12px rgba(0,0,0,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(99,102,241,0.6), 0 8px 24px rgba(0,0,0,0.3);
}
.btn-ghost { color: var(--text2); background: transparent; }
.btn-ghost:hover { color: var(--text); background: var(--surface); }
.btn-outline {
  background: transparent; color: var(--text);
  border: 1px solid var(--border2);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary2);
  background: rgba(99,102,241,0.1);
  box-shadow: 0 0 20px rgba(99,102,241,0.15);
}
.btn-white { background: #fff; color: #0d1220; }
.btn-white:hover { background: #e0e7ff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.btn-ghost-white {
  background: rgba(255,255,255,0.07);
  color: #fff; border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
}
.btn-ghost-white:hover { background: rgba(255,255,255,0.14); }
.btn-lg { padding: 15px 36px; font-size: 1rem; }
.w-full { width: 100%; }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text2); border-radius: 2px; transition: all 0.3s; }

/* ==========================================
   HERO
   ========================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 130px 0 100px;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  pointer-events: none; z-index: 0;
}
.hero-orb {
  position: absolute; border-radius: 50%;
  filter: blur(90px);
  animation: orb-float 8s ease-in-out infinite alternate;
}
.orb1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(99,102,241,0.35), transparent 70%);
  top: -250px; right: -200px;
  animation-duration: 10s;
}
.orb2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(6,182,212,0.25), transparent 70%);
  bottom: -100px; left: -150px;
  animation-duration: 12s; animation-delay: -3s;
}
.orb3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(139,92,246,0.2), transparent 70%);
  top: 50%; left: 40%;
  animation-duration: 9s; animation-delay: -6s;
}
.orb4 {
  width: 250px; height: 250px;
  background: radial-gradient(circle, rgba(236,72,153,0.15), transparent 70%);
  top: 30%; left: 10%;
  animation-duration: 14s; animation-delay: -2s;
}
@keyframes orb-float {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, -40px) scale(1.08); }
}

.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
}
.noise-overlay {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  opacity: 0.4;
}

.hero .container { position: relative; z-index: 1; text-align: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 22px; border-radius: 50px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.25);
  font-size: 0.85rem; font-weight: 600; color: var(--primary3);
  margin-bottom: 32px;
  animation: fadeUp 0.7s ease both;
  backdrop-filter: blur(8px);
}
.hero-badge .pulse-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(16,185,129,0.5);
  animation: pulse-ring 2s ease-out infinite;
}
@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(16,185,129,0.5); }
  70%  { box-shadow: 0 0 0 8px rgba(16,185,129,0); }
  100% { box-shadow: 0 0 0 0 rgba(16,185,129,0); }
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  font-weight: 900;
  line-height: 1.07;
  letter-spacing: -0.04em;
  margin-bottom: 28px;
  animation: fadeUp 0.7s 0.1s ease both;
}
.gradient-text {
  background: linear-gradient(135deg, #c4b5fd 0%, #818cf8 25%, #6366f1 55%, #22d3ee 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-size: 200% 200%;
  animation: gradient-shift 5s ease infinite;
}
@keyframes gradient-shift {
  0%,100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

.hero-sub {
  max-width: 660px; margin: 0 auto 48px;
  color: var(--text2); font-size: 1.15rem; line-height: 1.75;
  animation: fadeUp 0.7s 0.2s ease both;
}
.hero-actions {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 70px;
  animation: fadeUp 0.7s 0.3s ease both;
}

/* hero floating code snippet */
.hero-code-snippet {
  display: inline-block;
  background: rgba(13,18,32,0.8);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 16px 24px;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text2);
  text-align: left;
  margin-bottom: 60px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow), 0 0 0 1px rgba(99,102,241,0.1);
  animation: fadeUp 0.7s 0.35s ease both;
  max-width: 520px;
}
.hero-code-snippet .line { display: flex; gap: 12px; align-items: center; }
.hero-code-snippet .line + .line { margin-top: 6px; }
.snip-k { color: #c792ea; }
.snip-s { color: #a5e075; }
.snip-c { color: var(--text3); }
.snip-v { color: var(--accent2); }

.hero-stats {
  display: inline-flex; align-items: center;
  background: rgba(13,18,32,0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 44px;
  backdrop-filter: blur(16px);
  animation: fadeUp 0.7s 0.45s ease both;
  box-shadow: var(--shadow), 0 0 0 1px rgba(99,102,241,0.08);
}
.stat { text-align: center; padding: 0 32px; }
.stat-num {
  display: block;
  font-size: 2rem; font-weight: 900;
  background: linear-gradient(135deg, #fff, var(--primary3));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: -0.03em;
}
.stat-label { font-size: 0.78rem; color: var(--text3); font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; }
.stat-divider { width: 1px; height: 44px; background: var(--border2); }

/* ==========================================
   TICKER
   ========================================== */
.ticker-wrap {
  overflow: hidden;
  background: linear-gradient(90deg,
    rgba(99,102,241,0.08) 0%,
    rgba(6,182,212,0.08) 50%,
    rgba(99,102,241,0.08) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: relative; z-index: 1;
}
.ticker-wrap::before, .ticker-wrap::after {
  content: '';
  position: absolute; top: 0; bottom: 0; width: 120px; z-index: 2;
  pointer-events: none;
}
.ticker-wrap::before { left: 0; background: linear-gradient(90deg, var(--bg), transparent); }
.ticker-wrap::after  { right: 0; background: linear-gradient(270deg, var(--bg), transparent); }
.ticker {
  display: flex; gap: 36px;
  width: max-content;
  animation: ticker 35s linear infinite;
  font-size: 0.88rem; font-weight: 600; color: var(--text3);
  white-space: nowrap;
}
.ticker:hover { animation-play-state: paused; }
.ticker span { transition: color 0.2s; cursor: default; }
.ticker span:hover { color: var(--primary2); }
.ticker .sep { color: var(--primary); opacity: 0.4; }

/* ==========================================
   SECTIONS
   ========================================== */
.section { padding: 110px 0; position: relative; }
.section-dark { background: var(--bg2); }
.section-header { text-align: center; margin-bottom: 72px; }
.section-badge {
  display: inline-block; padding: 6px 20px; border-radius: 50px;
  background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.2);
  font-size: 0.75rem; font-weight: 700; color: var(--primary2);
  letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 18px;
}
.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900; letter-spacing: -0.03em; margin-bottom: 16px;
  line-height: 1.15;
}
.section-header p { color: var(--text2); font-size: 1.08rem; max-width: 540px; margin: 0 auto; line-height: 1.7; }

/* ==========================================
   FEATURES — glass cards
   ========================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: all 0.4s var(--ease);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.feature-card::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at top left, rgba(99,102,241,0.12), transparent 60%);
  opacity: 0; transition: opacity 0.4s;
}
.feature-card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99,102,241,0.6), transparent);
  opacity: 0; transition: opacity 0.4s;
}
.feature-card:hover {
  border-color: var(--border3);
  transform: translateY(-6px);
  box-shadow: var(--glow), var(--shadow);
}
.feature-card:hover::before, .feature-card:hover::after { opacity: 1; }
.feature-card.featured {
  background: linear-gradient(145deg,
    rgba(99,102,241,0.14) 0%,
    rgba(6,182,212,0.07) 100%);
  border-color: rgba(99,102,241,0.28);
}
.feature-icon {
  font-size: 2.2rem; margin-bottom: 20px;
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px;
  background: rgba(99,102,241,0.12); border-radius: 14px;
  border: 1px solid rgba(99,102,241,0.2);
  transition: all 0.3s var(--ease-spring);
}
.feature-card:hover .feature-icon {
  transform: scale(1.12) rotate(-6deg);
  box-shadow: 0 0 24px rgba(99,102,241,0.4);
}
.feature-card h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: 12px; }
.feature-card p { color: var(--text2); font-size: 0.9rem; line-height: 1.7; }

/* ==========================================
   MODELS
   ========================================== */
.models-tabs { display: flex; gap: 8px; justify-content: center; margin-bottom: 44px; flex-wrap: wrap; }
.tab-btn {
  padding: 9px 24px; border-radius: 50px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  color: var(--text3); font-size: 0.88rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition); font-family: var(--font);
}
.tab-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-color: transparent; color: #fff;
  box-shadow: 0 4px 16px rgba(99,102,241,0.4);
}
.tab-btn:hover:not(.active) { color: var(--text2); border-color: var(--border2); }

.models-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.model-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
  display: flex; flex-direction: column; gap: 12px;
  transition: all 0.3s var(--ease);
  cursor: default;
}
.model-card:hover {
  border-color: var(--border2);
  transform: translateY(-3px);
  background: var(--surface2);
  box-shadow: var(--shadow);
}
.model-logo {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.78rem; color: #fff;
  flex-shrink: 0; letter-spacing: 0.02em;
}
.openai   { background: linear-gradient(135deg, #10a37f, #0d8a6a); }
.anthropic{ background: linear-gradient(135deg, #c4600a, #d97706); }
.google   { background: linear-gradient(135deg, #4285f4, #0f9d58); }
.deepseek { background: linear-gradient(135deg, #1d6fa4, #2196f3); }
.meta     { background: linear-gradient(135deg, #0866ff, #1a77f2); }
.mistral  { background: linear-gradient(135deg, #ff6c37, #ff8c37); }

.model-name { font-weight: 700; font-size: 0.9rem; }
.model-provider { font-size: 0.78rem; color: var(--text3); }
.model-tags { display: flex; gap: 5px; flex-wrap: wrap; }
.tag {
  padding: 3px 9px; border-radius: 50px;
  background: rgba(99,102,241,0.1); color: var(--primary2);
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.03em;
  border: 1px solid rgba(99,102,241,0.15);
}
.model-price { font-size: 0.82rem; color: var(--green); font-weight: 700; margin-top: auto; }
.models-more { text-align: center; margin-top: 44px; }

/* ==========================================
   PRICING — glass + glow
   ========================================== */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.pricing-card {
  background: rgba(13,18,32,0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  position: relative;
  transition: all 0.4s var(--ease);
  backdrop-filter: blur(12px);
}
.pricing-card:hover { border-color: var(--border2); transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.pricing-card.popular {
  background: linear-gradient(165deg,
    rgba(99,102,241,0.18) 0%,
    rgba(13,18,32,0.8) 60%);
  border-color: rgba(99,102,241,0.45);
  box-shadow: var(--glow), 0 0 0 1px rgba(99,102,241,0.1);
  transform: scale(1.04);
}
.pricing-card.popular:hover { transform: scale(1.04) translateY(-6px); }
.popular-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, #818cf8, var(--primary), #4338ca);
  color: #fff; padding: 6px 22px; border-radius: 50px;
  font-size: 0.78rem; font-weight: 700; white-space: nowrap;
  box-shadow: 0 4px 16px rgba(99,102,241,0.5);
  letter-spacing: 0.04em;
}
.plan-name {
  font-size: 0.82rem; font-weight: 700; color: var(--text3);
  margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.1em;
}
.plan-price { margin-bottom: 8px; display: flex; align-items: flex-start; gap: 4px; }
.price-currency { font-size: 1.5rem; font-weight: 700; margin-top: 10px; color: var(--text2); }
.price-amount { font-size: 3.8rem; font-weight: 900; line-height: 1; letter-spacing: -0.04em; }
.price-period { font-size: 0.88rem; color: var(--text3); margin-top: 20px; }
.plan-tokens { font-size: 0.88rem; color: var(--accent); font-weight: 700; margin-bottom: 28px; }
.plan-features { display: flex; flex-direction: column; gap: 13px; margin-bottom: 32px; }
.plan-features li { font-size: 0.9rem; color: var(--text2); display: flex; align-items: center; gap: 8px; }
.plan-features li.disabled { color: var(--text3); }

/* ==========================================
   CODE DEMO
   ========================================== */
.code-demo {
  background: rgba(8,13,24,0.9);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 44px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(99,102,241,0.06);
  backdrop-filter: blur(8px);
}
/* window chrome */
.code-demo-chrome {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 20px;
  background: rgba(255,255,255,0.025);
  border-bottom: 1px solid var(--border);
}
.chrome-dot {
  width: 12px; height: 12px; border-radius: 50%;
}
.chrome-dot.red    { background: #ff5f56; }
.chrome-dot.yellow { background: #ffbd2e; }
.chrome-dot.green  { background: #27c93f; }
.chrome-url {
  margin-left: 12px; flex: 1;
  background: rgba(255,255,255,0.05); border-radius: 6px;
  padding: 4px 12px; font-size: 0.78rem; color: var(--text3);
  font-family: var(--mono); border: 1px solid var(--border);
  max-width: 280px;
}

.code-tabs { display: flex; border-bottom: 1px solid var(--border); }
.code-tab {
  padding: 14px 26px; background: none; border: none;
  color: var(--text3); font-size: 0.88rem; font-weight: 500;
  cursor: pointer; transition: all var(--transition); font-family: var(--font);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.code-tab.active { color: var(--primary2); border-bottom-color: var(--primary); }
.code-tab:hover:not(.active) { color: var(--text2); }
.code-block { display: none; }
.code-block.active { display: block; }
.code-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 22px; border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.015);
}
.code-lang { font-size: 0.78rem; color: var(--text3); font-family: var(--mono); }
.copy-btn {
  padding: 5px 16px; border-radius: 6px;
  background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.2);
  color: var(--primary2); font-size: 0.78rem; cursor: pointer;
  transition: all var(--transition); font-family: var(--font); font-weight: 600;
}
.copy-btn:hover { background: rgba(99,102,241,0.2); box-shadow: 0 0 12px rgba(99,102,241,0.2); }
.copy-btn.copied { background: rgba(16,185,129,0.15); border-color: rgba(16,185,129,0.3); color: var(--green); }
pre {
  padding: 28px 32px; overflow-x: auto;
  font-family: var(--mono); font-size: 0.87rem; line-height: 1.85;
}
code { color: #e2e8f0; }
.kw { color: #c792ea; }
.str { color: #a5e075; }
.fn { color: #82aaff; }
.num { color: #f78c6c; }

.endpoints-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.endpoint-card {
  display: flex; align-items: center; gap: 12px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 18px;
  transition: all var(--transition); cursor: default;
}
.endpoint-card:hover {
  border-color: var(--border2);
  transform: translateX(4px);
  background: var(--surface2);
}
.method {
  padding: 4px 10px; border-radius: 6px;
  font-size: 0.7rem; font-weight: 700; font-family: var(--mono);
  flex-shrink: 0; letter-spacing: 0.03em;
}
.method.get  { background: rgba(16,185,129,0.12); color: var(--green); border: 1px solid rgba(16,185,129,0.2); }
.method.post { background: rgba(99,102,241,0.12); color: var(--primary2); border: 1px solid rgba(99,102,241,0.2); }
.endpoint-path { font-family: var(--mono); font-size: 0.82rem; color: var(--text); flex: 1; }
.endpoint-desc { font-size: 0.78rem; color: var(--text3); }

/* ==========================================
   TESTIMONIALS
   ========================================== */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testi-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px;
  transition: all 0.35s var(--ease); position: relative; overflow: hidden;
}
.testi-card::before {
  content: '\201C';
  position: absolute; top: 16px; right: 24px;
  font-size: 5rem; line-height: 1; color: rgba(99,102,241,0.1);
  font-family: serif; pointer-events: none;
}
.testi-card:hover { border-color: var(--border2); transform: translateY(-5px); box-shadow: var(--shadow); }
.testi-stars { color: #f59e0b; font-size: 1rem; margin-bottom: 18px; letter-spacing: 3px; }
.testi-card p { color: var(--text2); font-size: 0.95rem; line-height: 1.75; margin-bottom: 28px; }
.testi-author { display: flex; align-items: center; gap: 14px; }
.testi-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 800; color: #fff; flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.testi-name { font-weight: 700; font-size: 0.92rem; }
.testi-role { font-size: 0.8rem; color: var(--text3); margin-top: 2px; }

/* ==========================================
   CTA
   ========================================== */
.cta-section { padding: 80px 0; }
.cta-box {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg,
    rgba(99,102,241,0.18) 0%,
    rgba(6,182,212,0.1) 50%,
    rgba(139,92,246,0.12) 100%);
  border: 1px solid rgba(99,102,241,0.28);
  border-radius: 32px; padding: 90px 48px; text-align: center;
  backdrop-filter: blur(12px);
}
.cta-orb { position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none; }
.cta-orb1 { width: 500px; height: 500px; background: rgba(99,102,241,0.25); top: -150px; right: -100px; animation: orb-float 10s ease-in-out infinite alternate; }
.cta-orb2 { width: 350px; height: 350px; background: rgba(6,182,212,0.2); bottom: -100px; left: -80px; animation: orb-float 12s ease-in-out infinite alternate-reverse; }
.cta-box h2 {
  position: relative;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 900; letter-spacing: -0.03em; margin-bottom: 18px;
}
.cta-box p { position: relative; color: var(--text2); font-size: 1.1rem; margin-bottom: 40px; }
.cta-actions { position: relative; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ==========================================
   FOOTER
   ========================================== */
.footer { background: var(--bg2); border-top: 1px solid var(--border); padding-top: 72px; }
.footer-top { display: flex; gap: 80px; margin-bottom: 56px; }
.footer-brand { max-width: 290px; }
.footer-brand .logo { margin-bottom: 18px; display: inline-flex; }
.footer-brand p { color: var(--text3); font-size: 0.88rem; line-height: 1.7; margin-bottom: 24px; }
.social-links { display: flex; gap: 10px; }
.social-links a {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--surface); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; transition: all var(--transition);
}
.social-links a:hover {
  background: var(--primary); border-color: var(--primary);
  transform: translateY(-2px); box-shadow: 0 6px 16px rgba(99,102,241,0.4);
}
.footer-links { display: flex; gap: 60px; flex: 1; justify-content: flex-end; }
.footer-col h4 { font-size: 0.82rem; font-weight: 700; margin-bottom: 20px; color: var(--text); text-transform: uppercase; letter-spacing: 0.08em; }
.footer-col ul { display: flex; flex-direction: column; gap: 13px; }
.footer-col a { font-size: 0.88rem; color: var(--text3); transition: color var(--transition); }
.footer-col a:hover { color: var(--primary2); }
.footer-bottom {
  border-top: 1px solid var(--border); padding: 26px 0;
  display: flex; align-items: center; justify-content: space-between;
}
.footer-bottom p { font-size: 0.84rem; color: var(--text3); }
.footer-langs { display: flex; gap: 4px; }

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1100px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .models-grid { grid-template-columns: repeat(3, 1fr); }
  .endpoints-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-links { gap: 36px; }
}
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .pricing-card.popular { transform: scale(1); }
  .testi-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
  .footer-top { flex-direction: column; gap: 40px; }
  .footer-brand { max-width: 100%; }
  .footer-links { justify-content: flex-start; flex-wrap: wrap; gap: 32px; }
  .models-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { padding: 18px 24px; }
  .stat { padding: 0 18px; }
}
@media (max-width: 640px) {
  .nav-inner { padding: 0 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .models-grid { grid-template-columns: 1fr; }
  .endpoints-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 16px; padding: 24px 20px; }
  .stat-divider { width: 40px; height: 1px; }
  .code-demo pre { padding: 16px; font-size: 0.8rem; }
  .endpoint-desc { display: none; }
  .footer-links { flex-direction: column; gap: 28px; }
  .section { padding: 70px 0; }
  .hero-code-snippet { display: none; }
  
  /* === H5 Enhanced Mobile Styles === */
  .container { padding: 0 16px; }
  
  /* Hero H5 */
  .hero { min-height: auto; padding: 100px 0 60px; }
  .hero-badge { font-size: 12px; padding: 6px 14px; }
  .hero-title { font-size: 2rem !important; line-height: 1.15 !important; }
  .hero-sub { font-size: 15px; line-height: 1.6; }
  .hero-actions { flex-direction: column; gap: 12px; }
  .hero-actions .btn-lg { width: 100%; text-align: center; }
  .hero .container { padding: 0 20px; }
  
  /* Ticker H5 */
  .ticker-wrap { overflow: hidden; }
  .ticker { font-size: 14px; white-space: nowrap; }
  
  /* Section Header H5 */
  .section-header { margin-bottom: 32px; }
  .section-header h2 { font-size: 1.5rem; }
  
  /* Features H5 */
  .features-grid { gap: 12px; }
  .feature-card { padding: 20px; }
  .feature-card.featured { transform: none; }
  
  /* Models H5 */
  .models-tabs { gap: 4px; flex-wrap: wrap; }
  .models-tabs .tab-btn { padding: 8px 16px; font-size: 13px; }
  .model-card { padding: 16px; }
  .model-price { font-size: 12px; }
  
  /* Pricing H5 */
  .pricing-grid { max-width: 100%; }
  .pricing-card { padding: 28px 24px; }
  .plan-price { margin-bottom: 4px; }
  .plan-price .price-amount { font-size: 2.4rem; }
  
  /* Code Demo H5 */
  .code-demo { margin-top: 0; }
  .code-demo-chrome { padding: 12px 16px; }
  .code-demo-chrome .chrome-url { font-size: 11px; display: none; }
  .code-tabs .code-tab { padding: 8px 14px; font-size: 13px; }
  .code-header { padding: 8px 12px; }
  
  /* Endpoints H5 */
  .endpoint-card { padding: 12px 16px; }
  .endpoint-path { font-size: 13px; }
  
  /* Testimonials H5 */
  .testi-card { padding: 24px; }
  
  /* CTA H5 */
  .cta-box { padding: 40px 24px; }
  .cta-box h2 { font-size: 1.6rem; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn-lg { width: 100%; text-align: center; }
  
  /* Footer H5 */
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .footer-langs { justify-content: center; }
  
  /* Navbar H5 */
  .nav-right .btn { display: none; }
  .hamburger { display: flex; }
  .nav-right .lang-switcher { display: none; }
  
  /* Mobile menu H5 */
  .navbar.menu-open .nav-links {
    padding: 20px;
    gap: 0;
  }
  .navbar.menu-open .nav-links a {
    padding: 14px 16px;
    font-size: 16px;
    border-radius: 10px;
  }
  
  /* Table horizontal scroll */
  .data-table { font-size: 12px; }
  .data-table th, .data-table td { padding: 10px 14px; white-space: nowrap; }
}

/* === Ultra Small Screens (320-375px) === */
@media (max-width: 375px) {
  .hero-title { font-size: 1.6rem !important; }
  .hero-sub { font-size: 14px; }
  .section-header h2 { font-size: 1.3rem; }
  .pricing-card { padding: 24px 20px; }
  .plan-price .price-amount { font-size: 2rem; }
  .kpi-value { font-size: 1.5rem; }
}

/* ==========================================
   AFFILIATE LANDING SECTION
   ========================================== */
.affiliate-landing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 36px 0;
}

.aff-landing-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  transition: all .2s;
}

.aff-landing-card:hover {
  border-color: rgba(99,102,241,0.3);
  background: rgba(99,102,241,0.05);
  transform: translateY(-4px);
}

.aff-landing-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.aff-landing-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.aff-landing-card p {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.6;
}

.affiliate-rates-bar {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.aff-bar-item {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 16px 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.aff-bar-highlight {
  border-color: rgba(99,102,241,0.4);
  background: rgba(99,102,241,0.08);
}

.aff-bar-plan {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.aff-bar-rate {
  font-size: 22px;
  font-weight: 800;
  color: #10b981;
}

@media (max-width: 640px) {
  .affiliate-landing-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .aff-landing-card {
    padding: 24px 18px;
  }
  .affiliate-rates-bar {
    flex-direction: column;
    align-items: center;
  }
  .aff-bar-item {
    width: 100%;
    max-width: 280px;
    justify-content: space-between;
  }
}

/* ==========================================
   User Menu (Logged-in state)
   ========================================== */
.user-menu {
  position: fixed; top: 70px; left: 0; right: 0; bottom: 0;
  background: rgba(5,8,15,0.97); padding: 28px;
  border-top: 1px solid var(--border);
  backdrop-filter: blur(20px); gap: 4px; z-index: 999;
}
.navbar.menu-open .nav-links a { padding: 14px 18px; font-size: 1.05rem; }

/* ==========================================
   User Menu (Logged-in state)
   ========================================== */
.user-menu {
  position: relative;
  margin-left: 8px;
  display: flex;
  align-items: center;
}
.user-avatar-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid rgba(99,102,241,0.5);
  background: none;
  cursor: pointer;
  padding: 0;
  transition: border-color .2s, box-shadow .2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.user-avatar-btn:hover {
  border-color: #6366f1;
  box-shadow: 0 0 12px rgba(99,102,241,0.4);
}
.user-nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
}

/* Dropdown */
.user-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 280px;
  background: rgba(15,17,33,0.95);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  backdrop-filter: blur(24px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 0 1px rgba(99,102,241,0.06);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all .25s cubic-bezier(.4,0,.2,1);
  z-index: 1000;
}
.user-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.ud-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.ud-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.ud-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.ud-email {
  font-size: 12px;
  color: var(--text3);
  margin-top: 2px;
}
.ud-plan {
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.15);
  border-radius: 10px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  margin-bottom: 4px;
}
.ud-plan > span:first-child {
  color: #818cf8;
  font-weight: 600;
}
.ud-tokens {
  color: var(--text3);
}
.ud-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}
.ud-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
  color: var(--text2);
  text-decoration: none;
  transition: all .15s;
  cursor: pointer;
}
.ud-item:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text);
}
.ud-logout {
  color: #f87171;
}
.ud-logout:hover {
  background: rgba(239,68,68,0.08);
  color: #f87171;
}

/* User modal (inline modal) */
.user-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all .3s;
}
.user-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.user-modal {
  background: rgba(15,17,33,0.95);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 40px;
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  overflow-y: auto;
  backdrop-filter: blur(24px);
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
  transform: translateY(20px);
  transition: transform .3s cubic-bezier(.34,1.56,.64,1);
}
.user-modal-overlay.open .user-modal {
  transform: translateY(0);
}
.um-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.um-header h3 {
  font-size: 20px;
  font-weight: 700;
}
.um-close {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: none;
  color: var(--text3);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .15s;
}
.um-close:hover {
  border-color: rgba(255,255,255,0.15);
  color: var(--text);
}
.um-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.um-stat {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
}
.um-stat-label {
  font-size: 11px;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.um-stat-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}
.um-stat-value.green { color: #10b981; }
.um-stat-value.accent { color: #06b6d4; }

.um-key-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.um-key-item {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.um-key-code {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: #818cf8;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.um-key-status {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 50px;
  background: rgba(16,185,129,0.1);
  color: #34d399;
  font-weight: 500;
  flex-shrink: 0;
}
.um-btn {
  padding: 8px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(99,102,241,0.1);
  color: #818cf8;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all .15s;
}
.um-btn:hover {
  background: rgba(99,102,241,0.2);
  border-color: rgba(99,102,241,0.3);
}
.um-btn-primary {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  border: none;
  color: #fff;
  padding: 10px 20px;
  box-shadow: 0 4px 16px rgba(99,102,241,0.3);
}
.um-btn-primary:hover {
  box-shadow: 0 6px 24px rgba(99,102,241,0.5);
}
.um-empty {
  text-align: center;
  padding: 24px;
  color: var(--text3);
  font-size: 13px;
}