/* ========================================
   MarketFlux — Design System
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

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

:root {
  --bg: #0a0a0a;
  --bg-card: #111111;
  --bg-elevated: #1a1a1a;
  --accent: #0088cc;
  --accent-glow: #00aaff;
  --accent-dark: #005580;
  --text: #f0f0f0;
  --text-dim: #999999;
  --text-muted: #666666;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-w: 1200px;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
}

html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--text); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-glow); }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ========================================
   HEADER / NAV
   ======================================== */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background var(--transition), box-shadow var(--transition);
}
header.scrolled {
  background: rgba(10, 10, 10, 0.98);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.5);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between; height: 72px;
}
.logo { display: flex; align-items: center; gap: 4px; }
.logo svg { height: 32px; width: auto; }

nav ul {
  list-style: none; display: flex; align-items: center; gap: 8px;
}
nav a {
  font-weight: 500; font-size: 0.9rem; padding: 8px 16px; border-radius: 6px;
  transition: all var(--transition);
}
nav a:hover { color: var(--text); background: rgba(255, 255, 255, 0.06); }
nav a.active { color: var(--accent-glow); }
.nav-cta {
  background: var(--accent) !important; color: #fff !important;
  padding: 8px 20px !important; border-radius: 6px; font-weight: 600;
}
.nav-cta:hover { background: var(--accent-glow) !important; transform: translateY(-1px); }

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  background: none; border: none; padding: 8px; z-index: 1001;
}
.hamburger span {
  width: 24px; height: 2px; background: var(--text);
  transition: all 0.3s ease; display: block;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 32px; background: var(--accent); color: #fff;
  font-weight: 600; font-size: 0.95rem; border-radius: var(--radius-sm);
  border: none; cursor: pointer; transition: all var(--transition);
  text-transform: none; letter-spacing: 0;
}
.btn:hover {
  background: var(--accent-glow); color: #fff;
  transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0, 136, 204, 0.3);
}
.btn-outline {
  background: transparent; border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--accent); color: var(--accent-glow);
  background: rgba(0, 136, 204, 0.08); box-shadow: none;
}
.btn-white { background: #fff; color: var(--accent); }
.btn-white:hover { background: #f0f0f0; color: var(--accent); box-shadow: 0 8px 25px rgba(255,255,255,0.15); }
.btn-lg { padding: 16px 40px; font-size: 1.05rem; }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-group { display: flex; gap: 12px; flex-wrap: wrap; }

/* ========================================
   HERO
   ======================================== */
.hero {
  min-height: 90vh; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 140px 24px 100px; position: relative; overflow: hidden;
  background: linear-gradient(160deg, #0a0a0a 0%, #001520 40%, #000d14 70%, #0a0a0a 100%);
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(0, 136, 204, 0.08) 0%, transparent 60%);
}
.hero::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 200px;
  background: linear-gradient(to top, var(--bg), transparent);
}
.hero .container { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 50px;
  background: rgba(0, 136, 204, 0.1); border: 1px solid rgba(0, 136, 204, 0.2);
  color: var(--accent-glow); font-size: 0.8rem; font-weight: 600;
  margin-bottom: 24px; letter-spacing: 0.5px; text-transform: uppercase;
}
.hero h1 {
  font-size: 3.5rem; font-weight: 800; line-height: 1.1;
  margin-bottom: 20px; letter-spacing: -0.02em;
}
.hero h1 .accent { color: var(--accent-glow); }
.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--accent-glow), #64d8ff);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero .subtitle {
  font-size: 1.2rem; color: var(--text-dim); max-width: 600px;
  margin: 0 auto 32px; line-height: 1.6;
}

/* ========================================
   SECTIONS
   ======================================== */
section { padding: 100px 0; }
.section-dark { background: var(--bg); }
.section-alt { background: var(--bg-card); }
.section-title { text-align: center; margin-bottom: 60px; }
.section-title h2 {
  font-size: 2.2rem; font-weight: 700; margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.section-title p { color: var(--text-dim); max-width: 600px; margin: 0 auto; font-size: 1.05rem; }
.section-label {
  display: inline-block; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; color: var(--accent-glow);
  margin-bottom: 12px;
}

/* ========================================
   CARDS
   ======================================== */
.card {
  background: var(--bg-card); border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius); padding: 32px;
  transition: all var(--transition);
}
.card:hover {
  border-color: rgba(0, 136, 204, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}
.card-glass {
  background: rgba(17, 17, 17, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* ========================================
   GRID
   ======================================== */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

/* ========================================
   SERVICE CARDS (Home page)
   ======================================== */
.service-card {
  background: var(--bg-card); border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius); padding: 32px 24px; text-align: center;
  transition: all var(--transition); display: block;
}
.service-card:hover {
  border-color: rgba(0, 136, 204, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 136, 204, 0.08);
}
.service-card:hover .service-icon { color: var(--accent-glow); }
.service-icon {
  font-size: 2.5rem; margin-bottom: 16px; display: block;
  transition: color var(--transition);
}
.service-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; }
.service-card p { font-size: 0.85rem; color: var(--text-dim); line-height: 1.5; }

/* ========================================
   SERVICES PAGE
   ======================================== */
.service-detail {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center; padding: 80px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.service-detail:nth-child(even) .service-detail-content { order: -1; }
.service-detail-visual {
  display: flex; align-items: center; justify-content: center;
  font-size: 6rem; background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius); aspect-ratio: 1; max-height: 320px;
}
.service-detail-content h3 {
  font-size: 1.6rem; font-weight: 700; margin-bottom: 16px;
  color: var(--text);
}
.service-detail-content p {
  color: var(--text-dim); margin-bottom: 20px; line-height: 1.7;
}
.service-detail-content ul {
  list-style: none; padding: 0; margin-bottom: 24px;
}
.service-detail-content li {
  padding: 8px 0; color: var(--text-dim); font-size: 0.95rem;
  display: flex; align-items: flex-start; gap: 10px;
}
.service-detail-content li::before {
  content: ''; width: 6px; height: 6px; min-width: 6px;
  background: var(--accent); border-radius: 50%;
  margin-top: 8px;
}

/* ========================================
   PRICING
   ======================================== */
.pricing-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px;
  align-items: start;
}
.pricing-card {
  background: var(--bg-card); border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius); padding: 36px 28px; text-align: center;
  position: relative; transition: all var(--transition);
}
.pricing-card:hover {
  border-color: rgba(0, 136, 204, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}
.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 40px rgba(0, 136, 204, 0.1);
}
.pricing-card.featured::before {
  content: 'Best Value'; position: absolute; top: -12px; left: 50%;
  transform: translateX(-50%); background: var(--accent); color: #fff;
  padding: 4px 16px; border-radius: 50px; font-size: 0.7rem;
  font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
}
.pricing-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.pricing-card .price {
  font-size: 2.5rem; font-weight: 800; margin: 16px 0;
  letter-spacing: -0.02em;
}
.pricing-card .price span { font-size: 0.9rem; font-weight: 400; color: var(--text-dim); }
.pricing-card .price-note { font-size: 0.8rem; color: var(--text-dim); margin-bottom: 20px; }
.pricing-card ul {
  list-style: none; padding: 0; margin-bottom: 28px; text-align: left;
}
.pricing-card li {
  padding: 8px 0; font-size: 0.88rem; color: var(--text-dim);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  display: flex; align-items: center; gap: 8px;
}
.pricing-card li::before {
  content: '\2713'; color: var(--accent-glow); font-weight: 700; font-size: 0.8rem;
}
.pricing-card .btn { width: 100%; }
.pricing-card.coming-soon {
  border-color: rgba(255, 255, 255, 0.1);
}
.pricing-card.coming-soon::before {
  content: 'Coming Soon'; position: absolute; top: -12px; left: 50%;
  transform: translateX(-50%); background: #444; color: #ccc;
  padding: 4px 16px; border-radius: 50px; font-size: 0.7rem;
  font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
}

/* ========================================
   TRUST BAR / STATS
   ======================================== */
.stats-bar {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
  padding: 60px 0; text-align: center;
}
.stat-item h3 {
  font-size: 2.5rem; font-weight: 800; color: var(--accent-glow);
  margin-bottom: 4px; letter-spacing: -0.02em;
}
.stat-item p { font-size: 0.85rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; }

/* ========================================
   CTA BANNER
   ======================================== */
.cta-banner {
  background: linear-gradient(135deg, var(--accent-dark) 0%, #001a2e 100%);
  text-align: center; padding: 80px 24px; position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 136, 204, 0.15), transparent 60%);
}
.cta-banner .container { position: relative; z-index: 1; }
.cta-banner h2 { font-size: 2.2rem; font-weight: 700; margin-bottom: 16px; }
.cta-banner p {
  color: rgba(255, 255, 255, 0.8); margin-bottom: 32px;
  max-width: 550px; margin-left: auto; margin-right: auto; font-size: 1.05rem;
}

/* ========================================
   FAQ ACCORDION
   ======================================== */
.faq-section { max-width: 700px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.faq-question {
  width: 100%; background: none; border: none; color: var(--text);
  padding: 20px 0; font-size: 1rem; font-weight: 600;
  text-align: left; cursor: pointer; display: flex;
  justify-content: space-between; align-items: center;
  font-family: var(--font);
}
.faq-question:hover { color: var(--accent-glow); }
.faq-question::after {
  content: '+'; font-size: 1.4rem; font-weight: 300;
  transition: transform 0.3s ease; color: var(--text-dim);
}
.faq-item.open .faq-question::after { transform: rotate(45deg); color: var(--accent-glow); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.4s ease;
}
.faq-answer p {
  padding: 0 0 20px; color: var(--text-dim); line-height: 1.7; font-size: 0.95rem;
}

/* ========================================
   CONTACT
   ======================================== */
.contact-grid {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 60px;
  max-width: 1000px; margin: 0 auto;
}
.contact-form label {
  display: block; font-size: 0.85rem; font-weight: 500;
  color: var(--text-dim); margin-bottom: 6px; margin-top: 20px;
}
.contact-form label:first-child { margin-top: 0; }
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%; padding: 12px 16px; background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-sm);
  color: var(--text); font-family: var(--font); font-size: 0.95rem;
  transition: border-color var(--transition);
}
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 136, 204, 0.1);
}
.contact-form input.error,
.contact-form textarea.error {
  border-color: #e63600;
}
.contact-form .error-msg {
  color: #ff4d1a; font-size: 0.78rem; margin-top: 4px;
}
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form .btn { margin-top: 24px; width: 100%; }

.contact-info { padding-top: 8px; }
.contact-info h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 24px; }
.contact-info-item { margin-bottom: 24px; }
.contact-info-item .label {
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--accent-glow); margin-bottom: 6px;
}
.contact-info-item .value { color: var(--text-dim); font-size: 0.95rem; }
.contact-info-item .value a { color: var(--text-dim); }
.contact-info-item .value a:hover { color: var(--accent-glow); }

/* ========================================
   FOOTER
   ======================================== */
footer {
  background: #050505; border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 60px 0 24px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 40px;
}
.footer-brand p { color: var(--text-dim); font-size: 0.9rem; margin-top: 16px; max-width: 300px; line-height: 1.6; }
.footer-col h4 {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--text); font-weight: 600; margin-bottom: 16px;
}
.footer-col a {
  display: block; color: var(--text-dim); font-size: 0.9rem;
  padding: 4px 0; transition: color var(--transition);
}
.footer-col a:hover { color: var(--accent-glow); }
.footer-bottom {
  text-align: center; padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-muted); font-size: 0.8rem;
}

/* ========================================
   SCROLL REVEAL
   ======================================== */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1; transform: translateY(0);
}

/* ========================================
   PAGE HERO (subpages)
   ======================================== */
.page-hero {
  padding: 140px 24px 60px; text-align: center;
  background: linear-gradient(180deg, #001520 0%, var(--bg) 100%);
}
.page-hero h1 {
  font-size: 2.8rem; font-weight: 800; margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.page-hero p { color: var(--text-dim); font-size: 1.1rem; max-width: 550px; margin: 0 auto; }

/* ========================================
   RESPONSIVE — 1024px
   ======================================== */
@media (max-width: 1024px) {
  .grid-4, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .service-detail { gap: 40px; }
  .hero h1 { font-size: 2.8rem; }
}

/* ========================================
   RESPONSIVE — 768px
   ======================================== */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  nav ul {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10, 10, 10, 0.98); backdrop-filter: blur(16px);
    flex-direction: column; justify-content: center; align-items: center;
    gap: 8px; padding: 80px 24px;
  }
  nav ul.open { display: flex; }
  nav a { font-size: 1.1rem; padding: 12px 24px; }

  .hero { min-height: 80vh; padding: 120px 24px 80px; }
  .hero h1 { font-size: 2.2rem; }
  .hero .subtitle { font-size: 1rem; }

  section { padding: 60px 0; }
  .section-title h2 { font-size: 1.8rem; }
  .section-title { margin-bottom: 40px; }

  .grid-2, .grid-3, .grid-auto { grid-template-columns: 1fr; }
  .service-detail { grid-template-columns: 1fr; gap: 32px; }
  .service-detail:nth-child(even) .service-detail-content { order: 0; }
  .service-detail-visual { max-height: 200px; font-size: 4rem; }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stat-item h3 { font-size: 2rem; }

  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }

  .page-hero h1 { font-size: 2rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .btn-group { flex-direction: column; align-items: center; }
}

/* ========================================
   RESPONSIVE — 480px
   ======================================== */
@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .hero .subtitle { font-size: 0.9rem; }
  section { padding: 48px 0; }
  .container { padding: 0 16px; }
  .card { padding: 24px; }
  .pricing-card { padding: 28px 20px; }
  .stat-item h3 { font-size: 1.6rem; }
}