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

:root {
  --bg-deep: #12121B;
  --bg-surface: #1A1924;
  --bg-card: #201F2A;
  --accent-cyan: #00D4FF;
  --accent-orange: #FF6B35;
  --accent-cyan-dim: rgba(0,212,255,0.12);
  --accent-orange-dim: rgba(255,107,53,0.10);
  --text-primary: #EDECF0;
  --text-secondary: #A6A4B2;
  --text-muted: #6E6C7C;
  --border-subtle: #2A2836;
  --border-light: #353340;
  --white-soft: #FDFCF9;
  --gradient-hero: linear-gradient(135deg, #12121B 0%, #18172A 50%, #12121B 100%);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.home-page { overflow-x: hidden; }

a { color: var(--accent-cyan); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-orange); }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
.container-narrow { max-width: 960px; margin: 0 auto; padding: 0 28px; }

/* ===== Site Navigation ===== */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(18,18,27,0.92); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.9rem 0; transition: var(--transition);
}
.site-nav.scrolled { padding: 0.5rem 0; box-shadow: 0 2px 24px rgba(0,0,0,0.4); }

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: 0 auto; padding: 0 28px;
}
.nav-logo {
  font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-orange));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links { display: flex; gap: 2.2rem; list-style: none; align-items: center; }
.nav-links a { color: var(--text-secondary); font-size: 0.95rem; font-weight: 500; }
.nav-links a:hover { color: var(--accent-cyan); }
.nav-cta a {
  background: linear-gradient(135deg, var(--accent-cyan), #0099cc);
  color: #fff !important; padding: 0.55rem 1.5rem; border-radius: 50px;
  font-weight: 600; font-size: 0.9rem;
}
.nav-cta a:hover { background: linear-gradient(135deg, var(--accent-orange), #e55a2b); color: #fff !important; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.nav-toggle span { display: block; width: 26px; height: 2.5px; background: var(--text-primary); border-radius: 2px; transition: var(--transition); }

@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: rgba(18,18,27,0.98); backdrop-filter: blur(20px); padding: 1.5rem 28px; gap: 1.2rem; border-bottom: 1px solid var(--border-subtle); }
  .nav-links.active { display: flex; }
  .nav-toggle { display: flex; }
}

/* ===== Hero Split Section ===== */
.hero-split {
  padding: 8rem 0 5rem; min-height: 90vh; display: flex; align-items: center;
  background: var(--gradient-hero); position: relative; overflow: hidden;
}
.hero-split::before {
  content: ''; position: absolute; top: -50%; right: -20%; width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent-cyan-dim) 0%, transparent 70%); border-radius: 50%;
}
.hero-split::after {
  content: ''; position: absolute; bottom: -30%; left: -10%; width: 500px; height: 500px;
  background: radial-gradient(circle, var(--accent-orange-dim) 0%, transparent 70%); border-radius: 50%;
}
.hero-split .container { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center; position: relative; z-index: 1; }
.hero-badge {
  display: inline-block; padding: 0.4rem 1.1rem; border-radius: 50px;
  background: var(--accent-cyan-dim); color: var(--accent-cyan);
  font-size: 0.85rem; font-weight: 600; letter-spacing: 0.03em; margin-bottom: 1.5rem;
  border: 1px solid rgba(0,212,255,0.18);
}
.hero-split h1 { font-size: 3.4rem; font-weight: 800; line-height: 1.15; margin-bottom: 1.4rem; letter-spacing: -0.03em; }
.hero-split h1 span { background: linear-gradient(135deg, var(--accent-cyan), var(--accent-orange)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-split p { font-size: 1.12rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 2rem; max-width: 520px; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 2rem; border-radius: 50px; font-weight: 600; font-size: 0.95rem;
  background: linear-gradient(135deg, var(--accent-cyan), #00a8cc); color: #111;
  transition: var(--transition); border: none; cursor: pointer;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,212,255,0.25); color: #111; }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 2rem; border-radius: 50px; font-weight: 600; font-size: 0.95rem;
  background: transparent; color: var(--text-primary); border: 1.5px solid var(--border-light);
  transition: var(--transition); cursor: pointer;
}
.btn-secondary:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); transform: translateY(-2px); }
.hero-visual { display: flex; align-items: center; justify-content: center; }
.hero-floating-card {
  background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  padding: 2.2rem; width: 100%; max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}
.hero-card-stat { display: flex; align-items: center; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--border-subtle); }
.hero-card-stat:last-child { border-bottom: none; }
.hero-card-stat .stat-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; flex-shrink: 0;
}
.stat-icon-cyan { background: var(--accent-cyan-dim); color: var(--accent-cyan); }
.stat-icon-orange { background: var(--accent-orange-dim); color: var(--accent-orange); }
.hero-card-stat h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.15rem; }
.hero-card-stat p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }

@media (max-width: 768px) {
  .hero-split .container { grid-template-columns: 1fr; text-align: center; }
  .hero-split h1 { font-size: 2.2rem; }
  .hero-split p { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-floating-card { max-width: 100%; }
}

/* ===== Stats Band ===== */
.stats-band {
  background: var(--bg-surface); border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle); padding: 3rem 0;
}
.stats-band .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.stat-item { text-align: center; padding: 1.8rem 1rem; border-radius: var(--radius-md); transition: var(--transition); background: var(--bg-card); border: 1px solid transparent; }
.stat-item:hover { border-color: var(--border-light); transform: translateY(-3px); }
.stat-number { font-size: 2.8rem; font-weight: 800; letter-spacing: -0.02em; background: linear-gradient(135deg, var(--accent-cyan), var(--accent-orange)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: 0.9rem; color: var(--text-secondary); margin-top: 0.4rem; font-weight: 500; }

@media (max-width: 768px) {
  .stats-band .container { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .stats-band .container { grid-template-columns: 1fr; }
}

/* ===== Solution Grid (Bento) ===== */
.solution-grid { padding: 5.5rem 0; background: var(--bg-deep); }
.section-label { display: inline-block; padding: 0.35rem 1rem; border-radius: 50px; background: var(--accent-orange-dim); color: var(--accent-orange); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 1rem; border: 1px solid rgba(255,107,53,0.15); }
.solution-grid h2 { font-size: 2.4rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 0.8rem; }
.solution-grid .section-subtitle { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 3rem; max-width: 600px; }
.bento-grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: auto auto; gap: 1.4rem; }
.bento-card {
  background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  padding: 2rem; transition: var(--transition); position: relative; overflow: hidden;
}
.bento-card:hover { border-color: var(--accent-cyan); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.3); }
.bento-card.large { grid-column: span 2; }
.bento-card .card-icon {
  width: 50px; height: 50px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 1.2rem;
}
.bento-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.6rem; }
.bento-card p { font-size: 0.93rem; color: var(--text-secondary); line-height: 1.7; }
.bento-card .card-tag {
  display: inline-block; padding: 0.25rem 0.75rem; border-radius: 50px;
  font-size: 0.75rem; font-weight: 600; margin-top: 1rem;
}
.tag-cyan { background: var(--accent-cyan-dim); color: var(--accent-cyan); }
.tag-orange { background: var(--accent-orange-dim); color: var(--accent-orange); }

@media (max-width: 768px) {
  .bento-grid { grid-template-columns: 1fr; }
  .bento-card.large { grid-column: span 1; }
}

/* ===== Method Blocks (Alternating) ===== */
.method-blocks { padding: 5.5rem 0; background: var(--bg-surface); }
.method-blocks .section-label { background: rgba(0,212,255,0.10); color: var(--accent-cyan); border: 1px solid rgba(0,212,255,0.15); }
.method-blocks h2 { font-size: 2.4rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 0.8rem; }
.method-blocks .section-subtitle { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 3.5rem; max-width: 600px; }
.method-row { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; margin-bottom: 4rem; }
.method-row:last-child { margin-bottom: 0; }
.method-row.reverse { direction: rtl; }
.method-row.reverse .method-text { direction: ltr; }
.method-visual {
  background: var(--bg-card); border-radius: var(--radius-lg); border: 1px solid var(--border-subtle);
  padding: 3rem 2rem; display: flex; align-items: center; justify-content: center; min-height: 280px;
  position: relative; overflow: hidden;
}
.method-visual::before {
  content: ''; position: absolute; width: 150px; height: 150px; border-radius: 50%;
  background: rgba(0, 212, 255, 0.12);
}
.method-visual.cyan-glow::before { background: rgba(0, 212, 255, 0.12); top: -40px; right: -40px; }
.method-visual.orange-glow::before { background: rgba(255, 107, 53, 0.12); bottom: -40px; left: -40px; }
.method-visual .method-img-text { font-size: 3.5rem; color: #494950; font-weight: 800; letter-spacing: -0.03em; }
.method-text h3 { font-size: 1.6rem; font-weight: 700; margin-bottom: 0.8rem; }
.method-text p { font-size: 1rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 1.2rem; }
.method-list { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.method-list li { display: flex; align-items: center; gap: 0.6rem; font-size: 0.93rem; color: var(--text-secondary); }
.method-list li::before { content: '→'; color: var(--accent-cyan); font-weight: 700; }

@media (max-width: 768px) {
  .method-row { grid-template-columns: 1fr; gap: 2rem; }
  .method-row.reverse { direction: ltr; }
}

/* ===== Capability Grid (3-col icons) ===== */
.capability-grid { padding: 5.5rem 0; background: var(--bg-deep); }
.capability-grid .section-label { background: rgba(0,212,255,0.10); color: var(--accent-cyan); border: 1px solid rgba(0,212,255,0.15); }
.capability-grid h2 { font-size: 2.4rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 0.8rem; }
.capability-grid .section-subtitle { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 3rem; max-width: 600px; }
.cap-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.cap-card {
  text-align: center; padding: 2.5rem 1.8rem; border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle); background: var(--bg-card); transition: var(--transition);
}
.cap-card:hover { border-color: var(--accent-cyan); transform: translateY(-5px); box-shadow: 0 14px 40px rgba(0,0,0,0.3); }
.cap-icon {
  width: 64px; height: 64px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.4rem; font-size: 1.6rem;
}
.cap-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.6rem; }
.cap-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }
@media (max-width: 768px) { .cap-list { grid-template-columns: 1fr; } }

/* ===== Connect Section ===== */
.connect-section { padding: 5.5rem 0; background: var(--bg-surface); }
.connect-section .section-label { background: rgba(255,107,53,0.10); color: var(--accent-orange); border: 1px solid rgba(255,107,53,0.15); }
.connect-section h2 { font-size: 2.4rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 3rem; text-align: center; }
.connect-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.connect-info { padding: 2rem 0; }
.connect-info h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 1rem; }
.connect-info p { color: var(--text-secondary); font-size: 1rem; line-height: 1.8; margin-bottom: 2rem; }
.connect-detail { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.4rem; }
.connect-detail-icon {
  width: 42px; height: 42px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
}
.connect-detail h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.15rem; }
.connect-detail span { font-size: 0.9rem; color: var(--text-muted); }

.connect-form-wrap {
  background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  padding: 2.5rem;
}
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 0.4rem; color: var(--text-secondary); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 0.8rem 1rem; border-radius: var(--radius-sm);
  border: 1px solid var(--border-light); background: var(--bg-deep); color: var(--text-primary);
  font-size: 0.93rem; font-family: inherit; transition: var(--transition); outline: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--accent-cyan); box-shadow: 0 0 0 3px rgba(0,212,255,0.08); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-submit { width: 100%; padding: 0.9rem; border-radius: 50px; font-weight: 700; font-size: 1rem; cursor: pointer; transition: var(--transition); border: none; background: linear-gradient(135deg, var(--accent-cyan), #00a8cc); color: #111; }
.form-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,212,255,0.3); }
.form-status { margin-top: 1rem; font-size: 0.9rem; text-align: center; display: none; }

@media (max-width: 768px) {
  .connect-wrapper { grid-template-columns: 1fr; }
}

/* ===== Footer ===== */
.site-footer { background: #0D0C14; border-top: 1px solid var(--border-subtle); padding: 3.5rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; }
.footer-brand h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 0.8rem; background: linear-gradient(135deg, var(--accent-cyan), var(--accent-orange)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.footer-brand p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }
.footer-col h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 1rem; color: var(--text-primary); text-transform: uppercase; letter-spacing: 0.05em; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col ul a { font-size: 0.88rem; color: var(--text-muted); }
.footer-col ul a:hover { color: var(--accent-cyan); }
.footer-bottom { border-top: 1px solid var(--border-subtle); padding-top: 1.5rem; text-align: center; font-size: 0.83rem; color: var(--text-muted); }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ===== Fade-up Animation ===== */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ===== Utility ===== */
.cyan-bg { background: var(--accent-cyan-dim); }
.orange-bg { background: var(--accent-orange-dim); }

/* ===== Scroll-to-top ===== */
.scroll-top {
  position: fixed; bottom: 28px; right: 28px; z-index: 999;
  width: 44px; height: 44px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--accent-cyan); color: #111; font-size: 1.2rem; font-weight: 700;
  opacity: 0; visibility: hidden; transition: var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.scroll-top.show { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--accent-orange); color: #fff; }