/* ===== Custom Properties ===== */
:root {
  --bg: #ffffff;
  --bg-secondary: #f8f9fa;
  --text: #1a1a2e;
  --text-muted: #6b7280;
  --accent: #6C5CE7;
  --accent-hover: #5a4bd1;
  --accent-glow: rgba(108, 92, 231, 0.15);
  --border: #e5e7eb;
  --card-bg: #ffffff;
  --nav-height: 64px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a14;
    --bg-secondary: #12121f;
    --text: #e4e4e7;
    --text-muted: #9ca3af;
    --accent: #8b7cf7;
    --accent-hover: #a09afb;
    --accent-glow: rgba(139, 124, 247, 0.12);
    --border: #1e1e35;
    --card-bg: #15152a;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
}

/* ===== Nav ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 2rem;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
}

.nav-logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.nav-logo span {
  color: var(--accent);
}

/* ===== Sections (shared) ===== */
section {
  padding: 6rem 2rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  letter-spacing: -0.02em;
}

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Hero ===== */
.hero {
  text-align: center;
  padding: 10rem 2rem 7rem;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.6; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.1); }
}

.hero-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1.5rem;
  padding: 0.4rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 9999px;
  animation: fade-in-up 0.8s ease both;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
  animation: fade-in-up 0.8s ease 0.15s both;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent), #e056a0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  animation: fade-in-up 0.8s ease 0.3s both;
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Capabilities ===== */
.capabilities {
  background: var(--bg-secondary);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 960px;
  margin: 0 auto;
}

.cap-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.25rem;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cap-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px var(--accent-glow);
}

.cap-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--accent-glow);
  color: var(--accent);
}

.cap-icon svg {
  width: 28px;
  height: 28px;
}

.cap-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.cap-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== Mission ===== */
.mission {
  padding: 7rem 2rem;
}

.mission-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.mission h2 {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.mission h2 span {
  color: var(--accent);
}

.mission p {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ===== Values ===== */
.values {
  background: var(--bg-secondary);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 960px;
  margin: 0 auto;
}

.value-item {
  padding: 1.5rem;
}

.value-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.3;
  margin-bottom: 0.75rem;
  line-height: 1;
}

.value-item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.value-item p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ===== Contact ===== */
.contact {
  text-align: center;
  padding: 6rem 2rem;
}

.contact p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.75rem;
  border-radius: 9999px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.25s ease;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

/* ===== Footer ===== */
.footer {
  padding: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  color: var(--text-muted);
  transition: color 0.2s;
}

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

/* ===== Page Content (privacy) ===== */
.page-content {
  max-width: 680px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.page-content h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.page-content h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.page-content p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.75;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero {
    padding: 6rem 1.5rem 5rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-glow {
    width: 400px;
    height: 400px;
  }

  .capabilities-grid,
  .values-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
  }

  .mission h2 {
    font-size: 1.75rem;
  }

  .footer {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero-sub {
    font-size: 1.05rem;
  }

  section {
    padding: 4rem 1.25rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .nav {
    padding: 0 1.25rem;
  }

  .cap-card {
    padding: 1.75rem;
  }
}