:root {
    color-scheme: light dark;
    --bg: #f5f8fa;
    --surface: rgba(255, 255, 255, 0.85);
    --surface-strong: #ffffff;
    --text: #0f1726;
    --muted: #5a667a;
    --line: rgba(15, 148, 204, 0.15);
    --accent: #0f94cc;
    --accent-secondary: #1473bf;
    --accent-strong: #0c7cad;
    --mint: #0fbe9d;
    --rose: #38bdf8;
    --shadow: 0 24px 70px rgba(15, 23, 38, 0.12);
    --radius: 14px;
    --container: 1120px;
    --orb-1: rgba(15, 148, 204, 0.10);
    --orb-2: rgba(20, 115, 191, 0.08);
    --orb-3: rgba(15, 190, 157, 0.08);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f1726;
        --surface: rgba(18, 28, 44, 0.85);
        --surface-strong: #121d30;
        --text: #f6f8fb;
        --muted: #a0aabf;
        --line: rgba(219, 226, 240, 0.14);
        --accent: #0f94cc;
        --accent-secondary: #1473bf;
        --accent-strong: #38bdf8;
        --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
        --orb-1: rgba(15, 148, 204, 0.28);
        --orb-2: rgba(20, 115, 191, 0.25);
        --orb-3: rgba(15, 190, 157, 0.22);
    }
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 15% 18%, var(--orb-1), transparent 32rem),
        radial-gradient(circle at 82% 14%, var(--orb-2), transparent 30rem),
        radial-gradient(circle at 75% 85%, var(--orb-3), transparent 34rem),
        var(--bg);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
    line-height: 1.5;
    letter-spacing: 0;
}

a {
    color: inherit;
    text-decoration: none;
}

p {
    margin: 0;
    color: var(--muted);
}

.container {
    width: min(100% - 40px, var(--container));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--bg) 78%, transparent);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
}

.nav {
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    white-space: nowrap;
}

.brand-mark {
    width: 34px;
    height: 34px;
    display: inline-grid;
    place-items: center;
    border-radius: var(--radius);
    color: white;
    background: linear-gradient(135deg, var(--accent), var(--mint));
    box-shadow: 0 10px 28px rgba(10, 132, 255, 0.24);
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    flex-wrap: wrap;
}

.nav-links a {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    padding: 0 12px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.95rem;
    font-weight: 600;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
    color: var(--text);
    background: var(--surface);
}

.hero {
    padding: 86px 0 54px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
    align-items: center;
    gap: 56px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    color: var(--accent-strong);
    font-weight: 700;
    font-size: 0.92rem;
}

.eyebrow::before {
    content: "";
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--mint);
}

h1,
h2,
h3 {
    margin: 0;
    letter-spacing: 0;
    line-height: 1.08;
}

h1 {
    max-width: 760px;
    font-size: clamp(2.8rem, 7vw, 5.8rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
}

h3 {
    font-size: 1.08rem;
}

.hero-copy {
    max-width: 650px;
    margin-top: 22px;
    font-size: 1.18rem;
}

.actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 32px;
}

.button {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--text);
    font-weight: 700;
    box-shadow: 0 8px 26px rgba(35, 48, 73, 0.08);
}

.button.primary {
    border-color: transparent;
    background: var(--accent);
    color: white;
}

.phone-art {
    position: relative;
    min-height: 520px;
    display: grid;
    place-items: center;
}

.phone {
    width: min(100%, 330px);
    aspect-ratio: 0.49;
    padding: 14px;
    border-radius: 48px;
    background: #10141e;
    box-shadow: var(--shadow);
}

.phone-screen {
    height: 100%;
    overflow: hidden;
    border-radius: 36px;
    background:
        linear-gradient(160deg, rgba(10, 132, 255, 0.95), rgba(36, 198, 164, 0.84)),
        #dff8f1;
    color: white;
    padding: 28px 22px;
}

.status-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    font-weight: 800;
    opacity: 0.9;
}

.visual-card {
    margin-top: 64px;
    padding: 20px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.34);
}

.growth-ring {
    width: 156px;
    height: 156px;
    margin: 0 auto 18px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: conic-gradient(#fff 0 76%, rgba(255, 255, 255, 0.25) 76% 100%);
}

.growth-ring span {
    width: 116px;
    height: 116px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: white;
    background: rgba(15, 24, 39, 0.28);
    font-size: 2rem;
    font-weight: 800;
}

.milestone-list {
    display: grid;
    gap: 10px;
}

.milestone {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 14px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.22);
    color: white;
    font-weight: 700;
}

.section {
    padding: 72px 0;
}

.section-header {
    max-width: 720px;
    margin-bottom: 30px;
}

.section-header p {
    margin-top: 14px;
    font-size: 1.05rem;
}

.grid {
    display: grid;
    gap: 18px;
}

.grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 14px 44px rgba(35, 48, 73, 0.08);
}

.card h3 {
    margin-bottom: 10px;
}

.icon {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    margin-bottom: 16px;
    border-radius: var(--radius);
    background: color-mix(in srgb, var(--accent) 14%, var(--surface-strong));
    color: var(--accent-strong);
    font-weight: 900;
}

.band {
    padding: 48px;
    border-radius: var(--radius);
    background: var(--surface-strong);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.page-hero {
    padding: 78px 0 34px;
}

.page-hero h1 {
    font-size: clamp(2.45rem, 5vw, 4.6rem);
}

.content {
    padding: 34px 0 78px;
}

.prose {
    display: grid;
    gap: 18px;
}

.prose section {
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.prose h2 {
    margin-bottom: 12px;
    font-size: 1.45rem;
}

.prose ul {
    margin: 14px 0 0;
    padding-left: 20px;
    color: var(--muted);
}

.prose li + li {
    margin-top: 8px;
}

.contact-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
    gap: 20px;
    align-items: stretch;
}

.contact-method {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 220px;
}

.site-footer {
    border-top: 1px solid var(--line);
    padding: 34px 0;
    background: color-mix(in srgb, var(--surface-strong) 74%, transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr;
    gap: 26px;
    align-items: start;
}

.footer-brand {
    margin-bottom: 12px;
}

.footer-links,
.footer-contact {
    display: grid;
    gap: 8px;
}

.footer-links a,
.footer-contact a,
.prose a,
.card a {
    color: var(--accent-strong);
    font-weight: 700;
}

.footer-contact span {
    color: var(--muted);
}

@media (max-width: 820px) {
    .container {
        width: min(100% - 28px, var(--container));
    }

    .nav {
        min-height: auto;
        padding: 14px 0;
        align-items: flex-start;
        flex-direction: column;
    }

    .nav-links {
        width: 100%;
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 2px;
    }

    .hero {
        padding-top: 52px;
    }

    .hero-grid,
    .grid.three,
    .grid.two,
    .contact-panel,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .phone-art {
        min-height: auto;
    }

    .phone {
        width: min(100%, 288px);
    }

    .band {
        padding: 28px;
    }
}

@media (max-width: 520px) {
    .actions,
    .button {
        width: 100%;
    }

    .section {
        padding: 52px 0;
    }

    .page-hero {
        padding-top: 54px;
    }
}
