:root {
    --navy: #0B1A33;
    --navy-deep: #050B18;
    --card: rgba(255, 255, 255, 0.05);
    --rim: rgba(63, 211, 255, 0.28);
    --cyan: #3FD3FF;
    --white: #FFFFFF;
    --muted: #B4C2D8;
    --gold: #E8C66A;
    --error: #FF9A8A;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { background: var(--navy-deep); }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--white);
    line-height: 1.6;
    background: radial-gradient(ellipse at 50% 0%, var(--navy) 0%, var(--navy-deep) 75%) fixed;
    min-height: 100vh;
}
a { color: var(--cyan); }
a:hover { color: var(--white); }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; }
.container { max-width: 1000px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { line-height: 1.2; }
h2 { font-size: 1.9rem; text-align: center; margin-bottom: 36px; }
h2::after {
    content: ""; display: block; width: 48px; height: 3px; margin: 14px auto 0;
    background: var(--gold); border-radius: 2px;
}
section { padding: 64px 0; }

/* Hero */
.hero { text-align: center; padding: 72px 0 56px; }
.app-icon { width: 128px; height: 128px; border-radius: 28px; box-shadow: 0 0 40px rgba(63, 211, 255, 0.3); margin-bottom: 24px; }
.hero h1 {
    font-size: clamp(2.2rem, 8vw, 3.6rem);
    letter-spacing: 0.14em; text-transform: uppercase; font-weight: 800;
    text-shadow: 0 0 24px rgba(63, 211, 255, 0.55);
}
.tagline { font-size: 1.3rem; margin: 14px auto 0; max-width: 560px; }
.soon { color: var(--gold); font-weight: 600; margin-top: 10px; letter-spacing: 0.02em; }

/* Signup */
.signup {
    max-width: 520px; margin: 36px auto 0; text-align: left;
    background: var(--card); border: 1px solid var(--rim); border-radius: 16px; padding: 28px;
}
.signup h2, .signup h3 { font-size: 1.3rem; text-align: left; margin-bottom: 6px; }
.signup h2::after { display: none; }
.signup .lead { color: var(--muted); margin-bottom: 18px; }
.signup h3 { font-size: 1.05rem; margin: 22px 0 8px; }
.steps { padding-left: 20px; }
.steps li { margin-bottom: 10px; }
#open-source .steps { max-width: 620px; margin: 0 auto 28px; }
.btn {
    display: inline-block; font: inherit; font-weight: 700; cursor: pointer;
    background: var(--cyan); color: var(--navy-deep); border: 0; border-radius: 10px;
    padding: 13px 26px; text-decoration: none;
}
.btn:hover { background: var(--white); color: var(--navy-deep); }
.signup .btn { display: block; text-align: center; }
.fine { color: var(--muted); font-size: 0.92rem; margin-top: 14px; }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.feature { background: var(--card); border: 1px solid var(--rim); border-radius: 14px; padding: 22px; }
.feature h3 { color: var(--cyan); font-size: 1.15rem; margin-bottom: 6px; }
.feature p { color: var(--muted); }

/* Screenshots */
.shots { display: grid; gap: 40px; }
.shot { text-align: center; }
.shot img {
    max-width: 100%; height: auto; border-radius: 14px; border: 1px solid var(--rim);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}
.shot.portrait img { max-width: 420px; width: 100%; }
.shot p { color: var(--muted); margin-top: 12px; }

/* Badges */
.badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 22px; list-style: none; }
.badges li { width: 112px; text-align: center; font-size: 0.9rem; color: var(--muted); }
.badges img { width: 96px; height: 96px; border-radius: 50%; display: block; margin: 0 auto 8px; border: 2px solid var(--gold); }
.center { text-align: center; color: var(--muted); max-width: 620px; margin: 0 auto 28px; }

/* Support page */
.support-content { max-width: 800px; margin: 0 auto; padding: 48px 24px 24px; }
.support-content h1 { font-size: 2.2rem; margin-bottom: 8px; }
.support-content h2 { text-align: left; font-size: 1.5rem; margin: 40px 0 18px; }
.support-content h2::after { margin-left: 0; }
.support-content h3 { color: var(--cyan); font-size: 1.1rem; margin: 22px 0 6px; }
.support-content p, .support-content li { color: var(--muted); }
.support-content ul { padding-left: 22px; }
.back-link { display: inline-block; margin-bottom: 24px; }
.note { background: var(--card); border: 1px solid var(--rim); border-left: 4px solid var(--gold); border-radius: 10px; padding: 16px 18px; margin: 22px 0; }
.note strong { color: var(--white); }

footer { border-top: 1px solid var(--rim); padding: 32px 0; text-align: center; color: var(--muted); font-size: 0.95rem; margin-top: 24px; }
footer nav { margin-top: 10px; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; }

@media (max-width: 600px) {
    section { padding: 48px 0; }
    .hero { padding: 48px 0 40px; }
    .signup { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }