:root {
  --primary: #051937;
  --secondary: #0A4D8C;
  --accent: #00E5FF;
  --accent-dark: #00B4D8;
  --teal: #00B4D8;
  --navy: #051937;
  --navy-deep: #030f24;
  --surface: #0A1F3D;
  --surface-light: #0D2848;
  --text: #E8F4FC;
  --text-muted: #B8D4E8;
  --success: #00C853;
  --white: #FFFFFF;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  --radius: 16px;
  --radius-sm: 10px;
  --border: rgba(0, 229, 255, 0.3);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--navy-deep);
  background-image: 
    radial-gradient(ellipse at 20% 10%, rgba(0, 180, 216, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 90%, rgba(10, 77, 140, 0.15) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%2300B4D8' fill-opacity='0.04' d='M0,160L48,176C96,192,192,224,288,213.3C384,203,480,149,576,138.7C672,128,768,160,864,181.3C960,203,1056,213,1152,197.3C1248,181,1344,139,1392,117.3L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'/%3E%3Cpath fill='%2300D4FF' fill-opacity='0.03' d='M0,224L48,213.3C96,203,192,181,288,181.3C384,181,480,203,576,197.3C672,192,768,160,864,149.3C960,139,1056,149,1152,165.3C1248,181,1344,203,1392,213.3L1440,224L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'/%3E%3C/svg%3E");
  background-attachment: fixed;
  background-size: cover;
  background-position: center bottom;
}

/* High-contrast links */
a { color: #00E5FF; text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: #80F0FF; }
nav a, .btn { text-decoration: none; }
.card a, .long-form a, footer a, .highlight a { color: #00E5FF; font-weight: 500; }
.card a:hover, .long-form a:hover { color: #80F0FF; }

header {
  background: rgba(5, 25, 55, 0.92);
  backdrop-filter: blur(16px);
  color: var(--white);
  padding: 0.5rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

nav { max-width: 1280px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 0 2rem; }
.logo-container { display: flex; align-items: center; gap: 1rem; text-decoration: none; color: inherit; }
.logo-container img { height: 72px; width: auto; border-radius: 10px; }
.logo-text { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.3px; line-height: 1.2; }
.logo-text span { display: block; font-size: 0.8rem; font-weight: 500; color: var(--accent); letter-spacing: 1.5px; text-transform: uppercase; }

nav ul { display: flex; list-style: none; gap: 2rem; }
nav a { color: rgba(255,255,255,0.9); text-decoration: none; font-weight: 500; font-size: 0.95rem; transition: all 0.3s; position: relative; }
nav a:hover { color: var(--accent); }
nav a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--accent); transition: width 0.3s; }
nav a:hover::after { width: 100%; }

.cta-buttons { display: flex; gap: 0.75rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.85rem 1.75rem; border-radius: var(--radius-sm); text-decoration: none; font-weight: 600; font-size: 0.95rem; transition: all 0.3s; border: none; cursor: pointer; }
.btn-primary { background: linear-gradient(135deg, var(--accent) 0%, var(--teal) 100%); color: var(--navy); box-shadow: 0 4px 15px rgba(0, 229, 255, 0.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0, 229, 255, 0.5); }
.btn-secondary { background: transparent; color: var(--white); border: 1.5px solid var(--accent); }
.btn-secondary:hover { background: rgba(0, 229, 255, 0.1); }
.btn-call { background: linear-gradient(135deg, #00C853 0%, #00A844 100%); color: white; box-shadow: 0 4px 15px rgba(0, 200, 83, 0.35); font-weight: 700; }
.btn-call:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0, 200, 83, 0.5); }

.hero { background: linear-gradient(135deg, #030f24 0%, #051937 40%, #0A3A6E 100%); color: var(--white); padding: 5.5rem 2rem 4.5rem; text-align: center; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 180px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 200'%3E%3Cpath fill='%2300B4D8' fill-opacity='0.15' d='M0,100L60,110C120,120,240,140,360,130C480,120,600,80,720,70C840,60,960,80,1080,100C1200,120,1320,140,1380,150L1440,160L1440,200L1380,200C1320,200,1200,200,1080,200C960,200,840,200,720,200C600,200,480,200,360,200C240,200,120,200,60,200L0,200Z'/%3E%3Cpath fill='%2300D4FF' fill-opacity='0.08' d='M0,140L60,130C120,120,240,100,360,100C480,100,600,120,720,130C840,140,960,140,1080,130C1200,120,1320,100,1380,90L1440,80L1440,200L1380,200C1320,200,1200,200,1080,200C960,200,840,200,720,200C600,200,480,200,360,200C240,200,120,200,60,200L0,200Z'/%3E%3C/svg%3E") no-repeat bottom center; background-size: cover; pointer-events: none; }
.hero h1 { font-size: 3.25rem; margin-bottom: 1.25rem; font-weight: 800; letter-spacing: -1.5px; line-height: 1.1; position: relative; }
.hero p.lead { font-size: 1.3rem; max-width: 780px; margin: 0 auto 2.5rem; opacity: 0.92; position: relative; }
.hero-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; position: relative; }

.container { max-width: 1200px; margin: 0 auto; padding: 4rem 2rem; }
.section-title { font-size: 2.5rem; color: var(--white); margin-bottom: 1rem; text-align: center; font-weight: 800; letter-spacing: -1px; }
.section-subtitle { text-align: center; color: var(--text-muted); max-width: 700px; margin: 0 auto 3rem; font-size: 1.1rem; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.75rem; margin: 2rem 0; }
.card { background: var(--surface); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); border: 1px solid var(--border); transition: all 0.3s; position: relative; overflow: hidden; color: var(--text); }
.card::before { content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%; background: linear-gradient(180deg, var(--accent), var(--teal)); }
.card h3 { color: var(--white); margin-bottom: 0.75rem; }
.card p, .card a { color: var(--text-muted); }
.card a { color: #00E5FF; }

.highlight { background: linear-gradient(135deg, #0A2A4A 0%, #0D3A5C 100%); padding: 2.5rem; border-radius: var(--radius); margin: 2.5rem 0; border: 1px solid var(--border); position: relative; color: var(--text); }
.highlight::before { content: ''; position: absolute; top: 0; left: 0; width: 5px; height: 100%; background: linear-gradient(180deg, var(--accent), var(--teal)); border-radius: var(--radius) 0 0 var(--radius); }

.live-badge { display: inline-flex; align-items: center; gap: 0.4rem; background: rgba(0, 200, 83, 0.15); color: #00E676; padding: 0.35rem 0.75rem; border-radius: 20px; font-size: 0.8rem; font-weight: 600; margin-bottom: 1rem; }
.live-badge::before { content: ''; width: 8px; height: 8px; background: #00C853; border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.6; transform: scale(1.2); } }

footer { background: #030f24; color: var(--text-muted); padding: 3rem 0 2rem; text-align: center; border-top: 1px solid var(--border); margin-top: 3rem; }
footer a { color: #00E5FF; }
footer h4 { color: var(--accent); }

.long-form { max-width: 800px; margin: 0 auto; }
.long-form h2 { color: var(--white); margin: 2rem 0 1rem; }
.long-form p, .long-form li { color: var(--text-muted); margin-bottom: 1rem; }
.long-form a { color: #00E5FF; }

img.responsive { max-width: 100%; height: auto; border-radius: var(--radius); margin: 1.5rem 0; display: block; }

/* FAQ / Q&A for AEO */
.faq-section {
  max-width: 800px;
  margin: 3rem auto;
  padding: 0 2rem;
}
.faq-section h2 {
  color: var(--white);
  margin-bottom: 1.5rem;
  text-align: left;
  font-size: 1.75rem;
}
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 1rem; overflow: hidden; }
.faq-item summary { padding: 1.1rem 1.25rem; font-weight: 600; color: var(--white); cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; color: var(--accent); font-size: 1.25rem; }
.faq-item[open] summary::after { content: '–'; }
.faq-item .faq-answer { padding: 0 1.25rem 1.1rem; color: var(--text-muted); border-top: 1px solid var(--border); }