/* ===== PowerWin Design System ===== */
:root {
  --bg-deep: #080c14;
  --bg-primary: #0f1420;
  --bg-secondary: #151b2b;
  --bg-card: #1a2035;
  --bg-card-hover: #1f2740;
  --bg-surface: #212a42;
  --accent-teal: #00d4aa;
  --accent-teal-dim: #00b894;
  --accent-purple: #7c5cfc;
  --accent-purple-dim: #6a4de6;
  --accent-orange: #ff6b3d;
  --accent-orange-dim: #e85d2f;
  --accent-blue: #3b82f6;
  --accent-gold: #f5a623;
  --text-primary: #edeff5;
  --text-secondary: #b0b8cc;
  --text-muted: #6e7594;
  --border-default: #232c42;
  --border-light: #2e3858;
  --border-accent: #00d4aa33;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow-teal: 0 0 40px rgba(0,212,170,0.12);
  --shadow-glow-purple: 0 0 40px rgba(124,92,252,0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --transition-fast: 180ms ease;
  --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-deep);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: var(--accent-teal); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--accent-teal-dim); }

img { max-width: 100%; display: block; }

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; }

h1 { font-size: 3.25rem; letter-spacing: -0.03em; }
h2 { font-size: 2.25rem; letter-spacing: -0.02em; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.2rem; }

.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== Top Bar ===== */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 68px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
}

.topbar.scrolled {
  background: rgba(15,20,32,0.96);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
  backdrop-filter: blur(12px);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-teal), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  font-weight: 900;
}

.nav-links { display: flex; align-items: center; gap: 2rem; }

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 0.3rem 0;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-teal);
  transition: width var(--transition-smooth);
}

.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: var(--accent-teal);
  color: #080c14 !important;
  padding: 0.55rem 1.3rem !important;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  transition: background var(--transition-fast) !important;
}

.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--accent-teal-dim) !important; }

/* ===== Hero Section ===== */
.hero {
  padding: 8rem 1.5rem 5rem;
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--bg-primary);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 70vw;
  height: 200vh;
  background: radial-gradient(ellipse at center, rgba(0,212,170,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 60vw;
  height: 150vh;
  background: radial-gradient(ellipse at center, rgba(124,92,252,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at 50% 40%, black 30%, transparent 70%);
}

.hero-content {
  position: relative;
  max-width: 800px;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 50px;
  padding: 0.45rem 1.1rem;
  font-size: 0.85rem;
  color: var(--accent-teal);
  font-weight: 600;
  margin-bottom: 1.8rem;
  letter-spacing: 0.02em;
}

.hero-badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-teal);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.hero h1 {
  font-size: 3.8rem;
  margin-bottom: 1.3rem;
  line-height: 1.12;
  background: linear-gradient(135deg, #ffffff 0%, #c8d2e0 50%, #a0b4d0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h1 span { color: var(--accent-teal); -webkit-text-fill-color: var(--accent-teal); }

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 2.2rem;
  line-height: 1.65;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.btn-primary {
  background: var(--accent-teal);
  color: #080c14;
}

.btn-primary:hover { background: var(--accent-teal-dim); color: #080c14; transform: translateY(-1px); }

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-light);
}

.btn-secondary:hover { border-color: var(--accent-teal); color: var(--accent-teal); background: rgba(0,212,170,0.05); }

.hero-visual {
  position: absolute;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  opacity: 0.55;
}

.hero-polygon-group {
  position: relative;
  width: 460px;
  height: 460px;
}

.hero-polygon-group .poly {
  position: absolute;
  border-radius: var(--radius-lg);
  opacity: 0.7;
}

.poly-1 {
  width: 260px; height: 260px;
  top: 30px; left: 40px;
  background: linear-gradient(135deg, var(--accent-purple), transparent);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  animation: float-slow 8s ease-in-out infinite;
}

.poly-2 {
  width: 200px; height: 200px;
  top: 120px; left: 190px;
  background: linear-gradient(225deg, var(--accent-teal), transparent);
  clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
  animation: float-slow 7s ease-in-out 1s infinite;
}

.poly-3 {
  width: 160px; height: 160px;
  top: 220px; left: 60px;
  background: linear-gradient(315deg, var(--accent-blue), transparent);
  clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
  animation: float-slow 9s ease-in-out 0.5s infinite;
}

@keyframes float-slow {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-14px) rotate(1deg); }
  66% { transform: translateY(8px) rotate(-0.5deg); }
}

/* ===== Section Common ===== */
.section { padding: 6rem 1.5rem; position: relative; }

.section-header { text-align: center; margin-bottom: 3.5rem; }

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-teal);
  margin-bottom: 0.8rem;
}

.section-header h2 {
  color: var(--text-primary);
  margin-bottom: 0.8rem;
}

.section-header p {
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ===== Services Grid ===== */
.services { background: var(--bg-secondary); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-teal), var(--accent-purple));
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.service-card:hover { border-color: var(--border-light); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.3rem;
  border: 1px solid var(--border-default);
}

.service-card h3 { margin-bottom: 0.7rem; font-size: 1.25rem; }
.service-card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.65; }

/* ===== Capabilities Marquee ===== */
.capabilities { background: var(--bg-primary); overflow: hidden; padding: 5rem 0; }

.marquee-track {
  display: flex;
  gap: 2rem;
  width: max-content;
  animation: marquee 30s linear infinite;
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: 50px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
}

.marquee-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.marquee-dot.teal { background: var(--accent-teal); }
.marquee-dot.purple { background: var(--accent-purple); }
.marquee-dot.orange { background: var(--accent-orange); }
.marquee-dot.blue { background: var(--accent-blue); }

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== Approach Timeline ===== */
.approach { background: var(--bg-secondary); }

.timeline {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  padding: 1rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-teal), var(--accent-purple), transparent);
}

.timeline-step {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  position: relative;
}

.timeline-step:last-child { margin-bottom: 0; }

.timeline-marker {
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--accent-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-teal);
  flex-shrink: 0;
  position: relative;
  z-index: 2;
  box-shadow: 0 0 0 6px var(--bg-secondary);
}

.timeline-body {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  flex: 1;
}

.timeline-body h3 { font-size: 1.15rem; margin-bottom: 0.4rem; }
.timeline-body p { font-size: 0.95rem; color: var(--text-secondary); }

/* ===== Stats Bar ===== */
.stats { background: var(--bg-primary); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.stat-item { padding: 1.5rem; }

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-teal), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.3rem;
}

.stat-label { font-size: 0.95rem; color: var(--text-muted); font-weight: 500; }

/* ===== Focus Areas ===== */
.focus { background: var(--bg-secondary); }

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.focus-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition-smooth);
}

.focus-card:hover { border-color: var(--accent-purple); box-shadow: var(--shadow-glow-purple); }

.focus-icon-area {
  width: 64px; height: 64px;
  border-radius: var(--radius-lg);
  margin: 0 auto 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
}

.focus-card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.focus-card p { font-size: 0.92rem; color: var(--text-secondary); }

/* ===== Industries ===== */
.industries { background: var(--bg-primary); }

.industries-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
  max-width: 900px;
  margin: 0 auto;
}

.industry-tag {
  padding: 0.65rem 1.3rem;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: 50px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: all var(--transition-fast);
  cursor: default;
}

.industry-tag:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
  background: rgba(0,212,170,0.06);
}

/* ===== CTA ===== */
.cta-section {
  background:
    radial-gradient(ellipse at 30% 50%, rgba(0,212,170,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 50%, rgba(124,92,252,0.06) 0%, transparent 60%),
    var(--bg-secondary);
  text-align: center;
  padding: 6rem 1.5rem;
}

.cta-section h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.cta-section p {
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-default);
  padding: 4rem 1.5rem 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  max-width: 1220px;
  margin: 0 auto;
}

.footer-brand p { color: var(--text-muted); font-size: 0.9rem; margin-top: 0.8rem; line-height: 1.6; }

.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.92rem;
  padding: 0.3rem 0;
  transition: color var(--transition-fast);
}

.footer-col a:hover { color: var(--accent-teal); }

.footer-bottom {
  max-width: 1220px;
  margin: 3rem auto 0;
  padding-top: 1.8rem;
  border-top: 1px solid var(--border-default);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p { font-size: 0.82rem; color: var(--text-muted); }

.footer-bottom-links { display: flex; gap: 1.5rem; }

.footer-bottom-links a {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-bottom-links a:hover { color: var(--accent-teal); }

/* ===== Legal Pages (Privacy & Terms) ===== */
.legal-hero {
  background: var(--bg-primary);
  padding: 7rem 1.5rem 4rem;
  text-align: center;
  border-bottom: 1px solid var(--border-default);
}

.legal-hero h1 {
  font-size: 2.6rem;
  margin-bottom: 0.7rem;
  background: linear-gradient(135deg, #ffffff, #c8d2e0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.legal-hero .legal-meta { color: var(--text-muted); font-size: 0.9rem; }

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

.legal-content h2 {
  font-size: 1.45rem;
  color: var(--accent-teal);
  margin-top: 3rem;
  margin-bottom: 0.8rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-default);
}

.legal-content h2:first-of-type { margin-top: 0; }

.legal-content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.legal-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.legal-content ul li {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.legal-content strong { color: var(--text-primary); }

.legal-toc {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 3rem;
}

.legal-toc h3 { font-size: 1.1rem; margin-bottom: 1rem; color: var(--accent-teal); }

.legal-toc ol { padding-left: 1.3rem; }

.legal-toc ol li { margin-bottom: 0.35rem; }

.legal-toc ol li a {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.legal-toc ol li a:hover { color: var(--accent-teal); }

/* ===== Mobile Nav Toggle ===== */
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; z-index: 1001; background: none; border: none; padding: 0.3rem; }

.nav-toggle span {
  width: 26px; height: 2.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  h1 { font-size: 2.6rem; }
  .hero h1 { font-size: 2.8rem; }
  h2 { font-size: 1.8rem; }
  .hero-visual { display: none; }
  .focus-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 68px;
    left: 0; right: 0; bottom: 0;
    background: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform var(--transition-smooth);
    z-index: 999;
  }

  .nav-links.open { transform: translateX(0); }

  h1 { font-size: 2.2rem; }
  .hero h1 { font-size: 2.4rem; }
  h2 { font-size: 1.6rem; }
  .hero { padding: 6rem 1rem 3rem; min-height: auto; }
  .hero-subtitle { font-size: 1rem; }
  .focus-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .stat-number { font-size: 2.2rem; }
  .section { padding: 3.5rem 1rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-section h2 { font-size: 1.8rem; }
  .legal-hero h1 { font-size: 1.8rem; }
  .legal-content h2 { font-size: 1.2rem; }
}