:root {
    --bg: #07101f;
    --surface: #0d1a2d;
    --surface-light: #12243b;
    --text: #f4f7fb;
    --muted: #a8b7ca;
    --line: rgba(190, 215, 244, 0.14);
    --cyan: #62d9ff;
    --blue: #4d7cff;
    --violet: #9b7bff;
    --shadow: 0 22px 60px rgba(0, 0, 0, 0.26);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    min-width: 320px;
    background: var(--bg);
    color: var(--text);
    font-family: "Trebuchet MS", "Segoe UI", sans-serif;
    line-height: 1.65;
    background-image: radial-gradient(circle at 85% 0%, rgba(77, 124, 255, 0.16), transparent 32rem), linear-gradient(180deg, #07101f 0%, #091425 55%, #07101f 100%);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: absolute; left: -999px; }
.skip-link:focus { left: 16px; top: 16px; z-index: 2000; padding: 10px 14px; background: var(--cyan); color: #06101c; }

.navbar {
    position: sticky; top: 0; z-index: 1000; display: flex; align-items: center; gap: 28px;
    min-height: 76px; padding: 12px max(20px, calc((100% - 1200px) / 2));
    background: rgba(7, 16, 31, 0.88); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px);
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo img { width: 42px; height: 42px; object-fit: contain; }
.logo span { color: var(--text); font-size: 20px; font-weight: 700; letter-spacing: 0.2px; }
.nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 19px; margin-left: auto; }
.nav-links a { padding: 8px 0; color: var(--muted); font-size: 13px; font-weight: 600; }
.nav-links a:hover, .nav-links a.active { color: var(--cyan); }
.download-btn, .btn-primary, .btn-secondary {
    display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 11px 20px;
    border-radius: 9px; font-size: 14px; font-weight: 700; transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.download-btn, .btn-primary { background: var(--cyan); color: #06101c; }
.download-btn:hover, .btn-primary:hover { background: #91e7ff; transform: translateY(-2px); }
.download-btn[aria-disabled="true"] { cursor: default; opacity: .88; }
.menu-toggle { display: none; border: 1px solid var(--line); background: transparent; color: var(--text); border-radius: 8px; padding: 9px 11px; font-size: 20px; cursor: pointer; }

.hero { padding: 92px 0 74px; }
.hero-content { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 70px; }
.eyebrow { margin-bottom: 15px; color: var(--cyan); font-size: 12px; font-weight: 700; letter-spacing: 1.8px; text-transform: uppercase; }
.hero-text h1 { max-width: 670px; font-family: Georgia, serif; font-size: clamp(42px, 6vw, 74px); line-height: 1.03; letter-spacing: -1.5px; }
.hero-text h1 span { color: var(--cyan); }
.hero-text p { max-width: 590px; margin: 24px 0 32px; color: var(--muted); font-size: 18px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-secondary { border: 1px solid rgba(98, 217, 255, .55); color: var(--cyan); }
.btn-secondary:hover { border-color: var(--cyan); background: rgba(98, 217, 255, .1); transform: translateY(-2px); }
.hero-image { position: relative; padding: 25px; border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(145deg, rgba(18, 36, 59, .88), rgba(13, 26, 45, .5)); box-shadow: var(--shadow); }
.hero-image::before { content: ""; position: absolute; inset: 13% 15%; border-radius: 50%; background: rgba(98, 217, 255, .16); filter: blur(35px); }
.hero-image img { position: relative; width: min(100%, 460px); margin: auto; border-radius: 14px; }

.section-heading { max-width: 680px; margin-bottom: 30px; }
.section-heading h2, .page-section h2, .about-section h2 { margin-bottom: 10px; font-family: Georgia, serif; font-size: clamp(28px, 4vw, 42px); line-height: 1.15; }
.section-heading p, .page-section p, .about-section p { color: var(--muted); }
.page-section, .about-section { padding: 72px 0; }
.page-section:nth-child(even) { background: rgba(13, 26, 45, .36); }
.page-banner { padding: 82px 0 68px; border-bottom: 1px solid var(--line); background: linear-gradient(120deg, rgba(77, 124, 255, .14), transparent 62%); }
.page-banner h1 { max-width: 760px; margin-bottom: 14px; font-family: Georgia, serif; font-size: clamp(38px, 6vw, 62px); line-height: 1.05; }
.page-banner p { max-width: 680px; color: var(--muted); font-size: 17px; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-top: 30px; }
.feature-card { padding: 25px; border: 1px solid var(--line); border-radius: 12px; background: rgba(13, 26, 45, .78); box-shadow: 0 12px 35px rgba(0,0,0,.12); transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.feature-card:hover { transform: translateY(-5px); border-color: rgba(98, 217, 255, .65); background: var(--surface-light); }
.feature-icon { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 19px; border-radius: 10px; background: rgba(98, 217, 255, .12); color: var(--cyan); font-size: 21px; }
.feature-card h3 { margin-bottom: 8px; font-size: 18px; }
.feature-card p { color: var(--muted); font-size: 14px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; counter-reset: steps; }
.step { position: relative; padding-top: 58px; }
.step::before { counter-increment: steps; content: "0" counter(steps); position: absolute; top: 0; left: 0; color: var(--violet); font-size: 28px; font-weight: 700; }
.step h3 { margin-bottom: 8px; }
.step p { color: var(--muted); }
.cta { padding: 60px 0; background: linear-gradient(105deg, rgba(77,124,255,.22), rgba(155,123,255,.12)); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.cta h2 { max-width: 620px; font-family: Georgia, serif; font-size: 36px; line-height: 1.15; }

.prose { max-width: 850px; }
.prose h2 { margin-top: 42px; }
.prose h2:first-of-type { margin-top: 34px; }
.prose ul { margin: 18px 0 26px; }
.prose li { position: relative; margin: 9px 0; padding-left: 25px; color: var(--muted); }
.prose li::before { content: ""; position: absolute; top: .7em; left: 3px; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }
.contact-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 28px; align-items: start; }
.contact-card, .form-card { padding: 29px; border: 1px solid var(--line); border-radius: 14px; background: rgba(13, 26, 45, .78); box-shadow: var(--shadow); }
.contact-card h2, .form-card h2 { margin-bottom: 12px; font-family: Georgia, serif; font-size: 28px; }
.contact-card a, .prose a { color: var(--cyan); font-weight: 700; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { color: var(--text); font-size: 13px; font-weight: 700; }
.field input, .field textarea { width: 100%; padding: 12px 13px; border: 1px solid var(--line); border-radius: 8px; background: #091527; color: var(--text); font: inherit; }
.field textarea { min-height: 145px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: 2px solid var(--cyan); outline-offset: 2px; border-color: transparent; }
.form-card .btn-primary { margin-top: 20px; border: 0; cursor: pointer; }
.form-note { margin-top: 12px; color: var(--muted); font-size: 13px; }
.faq-list { max-width: 850px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 19px 0; border: 0; background: transparent; color: var(--text); text-align: left; font: inherit; font-weight: 700; cursor: pointer; }
.faq-question::after { content: "+"; color: var(--cyan); font-size: 22px; }
.faq-question[aria-expanded="true"]::after { content: "−"; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .25s ease; }
.faq-answer p { padding: 0 30px 20px 0; color: var(--muted); }
.site-footer { margin-top: 30px; padding: 42px 0 28px; border-top: 1px solid var(--line); color: var(--muted); }
.footer-grid { display: flex; justify-content: space-between; gap: 30px; }
.footer-brand { color: var(--text); font-weight: 700; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-links a:hover { color: var(--cyan); }
.copyright { margin-top: 30px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 12px; }
.reveal { animation: rise .55s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 900px) {
    .navbar { flex-wrap: wrap; }
    .menu-toggle { display: block; margin-left: auto; }
    .navbar > .download-btn { display: none; }
    .nav-links { display: none; order: 3; width: 100%; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 0 5px; }
    .nav-links.is-open { display: flex; }
    .nav-links a { display: block; padding: 11px 4px; border-top: 1px solid var(--line); }
    .hero-content, .contact-layout { grid-template-columns: 1fr; gap: 42px; }
    .hero-image { max-width: 580px; }
}
@media (max-width: 650px) {
    .container { width: min(100% - 28px, 1120px); }
    .hero { padding: 60px 0 48px; }
    .hero-text p { font-size: 16px; }
    .features-grid, .steps { grid-template-columns: 1fr; }
    .page-section, .about-section { padding: 52px 0; }
    .page-banner { padding: 58px 0 48px; }
    .form-grid { grid-template-columns: 1fr; }
    .field.full { grid-column: auto; }
    .cta-inner, .footer-grid { align-items: flex-start; flex-direction: column; }
    .cta h2 { font-size: 29px; }
    .contact-card, .form-card { padding: 22px; }
}