:root {
    --bg: #03111f;
    --bg-nav: rgba(3, 17, 31, 0.84);
    --bg-elevated: #0a1a2c;
    --bg-card: #0f2136;
    --bg-card-hover: #16304e;
    --primary: #0ea5e9;
    --primary-light: #67e8f9;
    --primary-dark: #0284c7;
    --teal: #14b8a6;
    --green: #22c55e;
    --amber: #f59e0b;
    --red: #ef4444;
    --violet: #8b5cf6;
    --text: #e5f0ff;
    --text-secondary: #9fb6d3;
    --text-muted: #6e89a9;
    --border: rgba(14, 165, 233, 0.15);
    --border-solid: rgba(103, 232, 249, 0.3);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-xl: 34px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

@keyframes slideUp { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%,100% { opacity: .5; } 50% { opacity: 1; } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.animate-in { animation: slideUp .65s ease-out forwards; opacity: 0; }
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .3s; }
.delay-4 { animation-delay: .4s; }
.delay-5 { animation-delay: .5s; }

.nav {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    display: flex; justify-content: space-between; align-items: center;
    padding: .9rem 2rem;
    background: var(--bg-nav);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
    transition: all .3s;
}
.nav.scrolled { border-bottom-color: var(--border-solid); box-shadow: 0 16px 40px rgba(0,0,0,.25); }
.nav-logo { display: flex; align-items: center; gap: .65rem; font-size: 1.08rem; font-weight: 800; letter-spacing: -.02em; }
.nav-logo-image { width: 34px; height: 34px; display: block; }
.nav-links { display: flex; gap: 1.8rem; align-items: center; list-style: none; }
.nav-links a { font-size: .875rem; color: var(--text-secondary); font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; gap: .65rem; align-items: center; }
.btn-ghost { padding: .45rem 1rem; border-radius: var(--radius-sm); font-size: .875rem; font-weight: 600; color: var(--text-secondary); transition: color .2s; }
.btn-ghost:hover { color: var(--text); }
.btn-primary { padding: .45rem 1.1rem; border-radius: var(--radius-sm); background: linear-gradient(135deg, var(--primary), var(--teal)); color: #fff; font-size: .875rem; font-weight: 700; transition: transform .15s, box-shadow .2s; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 30px rgba(14, 165, 233, .35); }

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 7rem 2rem 4rem;
    position: relative;
    overflow: hidden;
}
.hero-glow,
.hero-glow-2 {
    position: absolute; border-radius: 50%; pointer-events: none; z-index: 0; filter: blur(10px);
}
.hero-glow {
    width: 760px; height: 760px;
    background: radial-gradient(circle, rgba(14,165,233,.18) 0%, transparent 70%);
    top: 45%; left: 52%; transform: translate(-50%,-50%);
}
.hero-glow-2 {
    width: 420px; height: 420px;
    background: radial-gradient(circle, rgba(20,184,166,.12) 0%, transparent 70%);
    top: 15%; right: 5%; animation: float 7s ease-in-out infinite;
}
.hero-shell {
    position: relative; z-index: 1; width: 100%; max-width: 1180px; margin: 0 auto;
    display: grid; grid-template-columns: 1.05fr .95fr; gap: 2rem; align-items: center;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: .5rem; padding: .35rem 1rem; border-radius: 999px;
    background: rgba(14,165,233,.12); border: 1px solid var(--border-solid);
    font-size: .8rem; font-weight: 700; color: var(--primary-light); margin-bottom: 1.4rem;
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }
.hero-title {
    font-size: clamp(2.3rem, 5.6vw, 4.4rem); font-weight: 900; letter-spacing: -.03em; line-height: 1.08;
}
.hero-title .grad,
.grad-inline {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--teal) 45%, var(--primary) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub {
    margin-top: 1.2rem; font-size: 1.06rem; color: var(--text-secondary); max-width: 640px;
}
.hero-ctas { display: flex; gap: .75rem; margin-top: 2rem; flex-wrap: wrap; }
.btn-hero-primary,
.btn-hero-secondary {
    padding: .84rem 1.6rem; border-radius: var(--radius-md); font-weight: 700; font-size: .98rem;
}
.btn-hero-primary {
    background: linear-gradient(135deg, var(--primary), var(--teal)); color: #fff;
    box-shadow: 0 4px 24px rgba(14,165,233,.32);
}
.btn-hero-secondary { background: rgba(255,255,255,.05); border: 1px solid var(--border-solid); }
.hero-stats { display: flex; gap: 2rem; flex-wrap: wrap; margin-top: 2.6rem; }
.hero-stat .val { display: block; font-size: 1.6rem; font-weight: 900; letter-spacing: -.03em; }
.hero-stat .lbl { font-size: .78rem; color: var(--text-secondary); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }

.hero-visual {
    background: linear-gradient(180deg, rgba(15,33,54,.98), rgba(10,26,44,.95));
    border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: 0 24px 80px rgba(0,0,0,.48), 0 0 0 1px rgba(103,232,249,.08);
}
.hero-visual-image { display: block; width: 100%; height: auto; }

.section { padding: 6rem 2rem; max-width: 1180px; margin: 0 auto; }
.section-head { margin-bottom: 3rem; }
.section-label { display: inline-block; font-size: .78rem; font-weight: 800; color: var(--primary-light); text-transform: uppercase; letter-spacing: .1em; margin-bottom: .75rem; }
.section-title { font-size: clamp(1.85rem, 3.5vw, 2.85rem); font-weight: 900; letter-spacing: -.03em; line-height: 1.15; }
.section-sub { color: var(--text-secondary); font-size: 1.02rem; margin-top: .8rem; max-width: 680px; }

.features-grid, .security-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
}
.feat-card, .sec-card, .card-surface {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
}
.feat-card {
    padding: 1.75rem; position: relative; overflow: hidden; transition: transform .25s, border-color .25s, box-shadow .25s;
}
.feat-card:hover { transform: translateY(-3px); border-color: var(--border-solid); box-shadow: 0 14px 34px rgba(0,0,0,.35); }
.feat-icon { width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.25rem; margin-bottom: 1.05rem; }
.feat-icon.indigo{background:rgba(139,92,246,.15)}
.feat-icon.violet{background:rgba(99,102,241,.15)}
.feat-icon.green{background:rgba(34,197,94,.15)}
.feat-icon.amber{background:rgba(245,158,11,.15)}
.feat-icon.cyan{background:rgba(6,182,212,.15)}
.feat-icon.red{background:rgba(239,68,68,.15)}
.feat-card h3, .sec-card h3, .step-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: .45rem; }
.feat-card p, .sec-card p, .step-card p { font-size: .875rem; color: var(--text-secondary); line-height: 1.65; }
.feat-tag { display: inline-block; font-size: .68rem; font-weight: 700; padding: .18rem .55rem; border-radius: 4px; margin-top: .9rem; }
.feat-tag.indigo{background:rgba(99,102,241,.15);color:var(--primary-light)}
.feat-tag.green{background:rgba(34,197,94,.15);color:var(--green)}
.feat-tag.amber{background:rgba(245,158,11,.15);color:var(--amber)}
.feat-tag.cyan{background:rgba(6,182,212,.15);color:var(--primary-light)}

.steps-bg { background: var(--bg-elevated); }
.steps-inner { max-width: 1180px; margin: 0 auto; padding: 6rem 2rem; }
.steps-grid { display: grid; gap: 1rem; position: relative; }
.steps-grid-four { grid-template-columns: repeat(4, 1fr); }
.steps-grid-four::before {
    content: ''; position: absolute; top: 28px; left: calc(12.5% + 1.25rem); right: calc(12.5% + 1.25rem); height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-solid), transparent); pointer-events: none;
}
.step-card { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 1.5rem 1rem; }
.step-num {
    width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 1.05rem; font-weight: 900; margin-bottom: 1rem; position: relative; z-index: 1;
    border: 2px solid var(--border-solid); background: var(--bg-card); color: var(--primary-light);
}
.step-num.active { background: linear-gradient(135deg, var(--primary), var(--teal)); color: #fff; border-color: transparent; box-shadow: 0 0 24px rgba(14,165,233,.35); }

.sec-card { padding: 1.6rem; transition: transform .25s, border-color .25s; }
.sec-card:hover { transform: translateY(-2px); border-color: var(--border-solid); }
.sec-icon { font-size: 1.55rem; margin-bottom: .85rem; }

.card-surface { overflow-x: auto; }
.comp-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.comp-table th { padding: .95rem 1.2rem; font-size: .78rem; font-weight: 800; color: var(--text-muted); text-transform: uppercase; letter-spacing: .07em; border-bottom: 1px solid var(--border); text-align: left; }
.comp-table th.highlight { color: var(--primary-light); }
.comp-table td { padding: .9rem 1.2rem; border-bottom: 1px solid rgba(255,255,255,.05); color: var(--text-secondary); }
.comp-table td:first-child { font-weight: 700; color: var(--text); }
.comp-table td.highlight { color: var(--text); }
.comp-yes { color: var(--green); font-weight: 700; }
.comp-no { color: var(--text-muted); }
.comp-part { color: var(--amber); }

.faq-list { display: flex; flex-direction: column; gap: .75rem; max-width: 760px; margin: 0 auto; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: border-color .2s; }
.faq-item.open { border-color: var(--border-solid); }
.faq-q { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.1rem 1.3rem; background: none; border: none; color: var(--text); font-size: .925rem; font-weight: 600; text-align: left; cursor: pointer; }
.faq-arrow { width: 22px; height: 22px; border-radius: 50%; background: rgba(255,255,255,.06); display: flex; align-items: center; justify-content: center; font-size: .7rem; transition: transform .3s, background .2s; }
.faq-item.open .faq-arrow { transform: rotate(180deg); background: rgba(14,165,233,.2); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .35s; padding: 0 1.3rem; }
.faq-item.open .faq-a { max-height: 320px; padding-bottom: 1rem; }
.faq-a p { font-size: .875rem; color: var(--text-secondary); }

.cta-banner {
    max-width: 1180px; margin: 0 auto 6rem; padding: 4rem 3rem; border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(14,165,233,.12) 0%, rgba(20,184,166,.1) 100%);
    border: 1px solid var(--border-solid); text-align: center; position: relative; overflow: hidden;
}
.cta-banner::before {
    content: ''; position: absolute; width: 420px; height: 420px; border-radius: 50%;
    background: radial-gradient(circle, rgba(14,165,233,.15) 0%, transparent 70%);
    top: 50%; left: 50%; transform: translate(-50%, -50%); pointer-events: none;
}
.cta-banner h2 { position: relative; font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 900; letter-spacing: -.03em; }
.cta-banner p { position: relative; color: var(--text-secondary); margin-top: .75rem; }
.cta-banner .ctas { position: relative; display: flex; gap: .75rem; justify-content: center; margin-top: 2rem; flex-wrap: wrap; }

footer { background: var(--bg-elevated); border-top: 1px solid var(--border); padding: 3.5rem 2rem 2rem; }
.footer-inner { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; }
.footer-brand .brand-logo { display: flex; align-items: center; gap: .6rem; font-size: 1.05rem; font-weight: 800; margin-bottom: .8rem; }
.footer-logo-image { width: 28px; height: 28px; display: block; }
.footer-brand p { font-size: .83rem; color: var(--text-muted); line-height: 1.65; max-width: 280px; }
.socials { display: flex; gap: .6rem; margin-top: 1rem; }
.social-btn { width: 32px; height: 32px; border-radius: var(--radius-sm); background: rgba(255,255,255,.06); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: .75rem; color: var(--text-secondary); transition: color .2s, border-color .2s, background .2s; }
.social-btn:hover { color: var(--text); border-color: var(--border-solid); background: rgba(255,255,255,.1); }
.footer-col h4 { font-size: .8rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 1rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: .55rem; }
.footer-col a { font-size: .85rem; color: var(--text-secondary); transition: color .2s; }
.footer-col a:hover { color: var(--text); }
.footer-bottom { max-width: 1180px; margin: 2rem auto 0; display: flex; justify-content: space-between; align-items: center; padding-top: 1.5rem; border-top: 1px solid var(--border); font-size: .78rem; color: var(--text-muted); flex-wrap: wrap; gap: .5rem; }

.status-bubble {
    position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 999; display: flex; align-items: center; gap: .55rem;
    background: var(--bg-card); border: 1px solid var(--border-solid); border-radius: 999px; padding: .55rem 1rem;
    font-size: .78rem; color: var(--text-secondary); cursor: pointer; box-shadow: 0 4px 20px rgba(0,0,0,.4);
}

@media (max-width: 1024px) {
    .hero-shell,
    .features-grid,
    .security-grid,
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .steps-grid-four { grid-template-columns: 1fr 1fr; }
    .steps-grid-four::before { display: none; }
}

@media (max-width: 720px) {
    .nav-links { display: none; }
    .hero { padding-left: 1.2rem; padding-right: 1.2rem; }
    .hero-shell,
    .features-grid,
    .security-grid,
    .footer-inner,
    .steps-grid-four { grid-template-columns: 1fr; }
    .section { padding-left: 1.2rem; padding-right: 1.2rem; }
    .cta-banner { margin-left: 1.2rem; margin-right: 1.2rem; padding: 2.5rem 1.5rem; }
    .status-bubble { left: 1rem; right: 1rem; justify-content: center; }
}