@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&family=Sora:wght@500;600;700&display=swap");

:root {
    --bg-0: #050912;
    --bg-1: #070f1e;
    --ink: #e8edf7;
    --muted: #a3afc5;
    --line: #1a2a4b;
    --line-strong: #28467a;
    --panel: rgba(9, 17, 32, 0.82);
    --panel-soft: rgba(9, 17, 32, 0.62);
    --accent: #ff5f5f;
    --accent-strong: #ff3e3e;
    --cyan: #12d7e0;
    --violet: #8297ff;
    --shadow: 0 24px 60px rgba(2, 5, 12, 0.5);
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: "Space Grotesk", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at 10% 10%, rgba(255, 78, 78, 0.16), transparent 36%),
        radial-gradient(circle at 86% 78%, rgba(16, 214, 220, 0.16), transparent 34%),
        radial-gradient(circle at 82% 12%, rgba(125, 151, 255, 0.12), transparent 30%),
        linear-gradient(180deg, var(--bg-0), var(--bg-1));
    line-height: 1.65;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        radial-gradient(circle at 15% 30%, rgba(255, 255, 255, 0.18) 0 0.6px, transparent 0.6px),
        radial-gradient(circle at 63% 42%, rgba(255, 255, 255, 0.12) 0 0.8px, transparent 0.8px),
        radial-gradient(circle at 80% 22%, rgba(255, 255, 255, 0.1) 0 0.7px, transparent 0.7px);
    background-size: 220px 220px, 300px 300px, 260px 260px;
    opacity: 0.55;
    z-index: 0;
}

main {
    position: relative;
    z-index: 1;
}

.container {
    width: min(1120px, 100% - 36px);
    margin: 0 auto;
    padding: 30px 0 68px;
}

.site-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 26px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(7, 13, 25, 0.72);
    backdrop-filter: blur(8px);
}

.brand {
    font-family: "Sora", sans-serif;
    letter-spacing: 0.03em;
    font-size: 14px;
    text-transform: uppercase;
    color: var(--muted);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none;
    color: var(--muted);
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: all 180ms ease;
    font-size: 14px;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--ink);
    border-color: var(--line-strong);
    background: rgba(20, 38, 67, 0.5);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 999px;
    border: 1px solid rgba(255, 95, 95, 0.45);
    background: rgba(255, 66, 66, 0.12);
    color: #ffd7d7;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero {
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: clamp(22px, 4vw, 38px);
    background: linear-gradient(180deg, rgba(10, 19, 36, 0.84), rgba(6, 12, 24, 0.84));
    box-shadow: var(--shadow);
}

h1,
h2,
h3 {
    font-family: "Sora", sans-serif;
    letter-spacing: -0.01em;
}

h1 {
    font-size: clamp(34px, 6.8vw, 64px);
    line-height: 1.02;
    margin: 18px 0 14px;
}

.lead {
    font-size: clamp(18px, 2.6vw, 24px);
    color: #d8e2f4;
    margin: 0 0 16px;
    max-width: 780px;
}

.sublead,
.muted {
    color: var(--muted);
    margin: 0 0 20px;
    max-width: 820px;
}

.actions {
    margin-top: 22px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.button,
.cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-decoration: none;
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    border: 1px solid transparent;
    font-weight: 700;
    font-size: 14px;
    transition: all 180ms ease;
}

.button.primary,
.cta {
    background: linear-gradient(180deg, var(--accent), var(--accent-strong));
    color: #fff;
}

.button.primary:hover,
.cta:hover {
    transform: translateY(-1px);
    filter: saturate(1.08);
}

.button.ghost,
.cta.secondary {
    border-color: var(--line-strong);
    background: rgba(12, 24, 44, 0.78);
    color: #d6e6ff;
}

.button.ghost:hover,
.cta.secondary:hover {
    background: rgba(16, 33, 60, 0.92);
}

.section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 28px 0 14px;
    font-size: clamp(24px, 3.5vw, 34px);
}

.section-title::before {
    content: ">";
    color: var(--accent);
    font-size: 30px;
    line-height: 1;
}

.grid,
.cards {
    display: grid;
    gap: 14px;
}

.grid {
    grid-template-columns: repeat(auto-fit, minmax(272px, 1fr));
}

.cards {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: linear-gradient(180deg, rgba(10, 19, 36, 0.86), rgba(6, 13, 25, 0.86));
    padding: 16px;
    box-shadow: inset 0 1px 0 rgba(126, 154, 242, 0.1);
}

.build-card {
    display: flex;
    flex-direction: column;
    min-height: 252px;
}

.card-link {
    display: block;
    color: inherit;
    text-decoration: none;
    transition: border-color 180ms ease;
}

.card-link:hover {
    border-color: var(--line-strong);
}

.card h3 {
    margin: 0 0 8px;
    font-size: 21px;
    line-height: 1.3;
}

.card p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
}

.topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
}

.label {
    display: inline-block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #9eb0cd;
}

.chip {
    display: inline-flex;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: 1px solid transparent;
}

.chip.idea {
    background: rgba(255, 203, 111, 0.14);
    color: #ffcf8a;
    border-color: rgba(255, 198, 97, 0.32);
}

.chip.initial {
    background: rgba(122, 168, 255, 0.14);
    color: #9ec2ff;
    border-color: rgba(122, 168, 255, 0.34);
}

.chip.prototype {
    background: rgba(36, 226, 230, 0.14);
    color: #92f4f8;
    border-color: rgba(31, 206, 212, 0.32);
}

.chip.running {
    background: rgba(94, 239, 143, 0.14);
    color: #b4ffc9;
    border-color: rgba(94, 239, 143, 0.35);
}

.card.full-row {
    grid-column: 1 / -1;
}

.card .actions {
    margin-top: auto;
    padding-top: 14px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    width: 100%;
}

.cta.talk {
    margin-left: 0;
}

.footer {
    margin-top: 28px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
    color: #8292af;
    font-size: 13px;
}

.reveal {
    opacity: 0;
    transform: translateY(14px);
    animation: reveal-up 420ms ease forwards;
}

.reveal.delay-1 { animation-delay: 80ms; }
.reveal.delay-2 { animation-delay: 150ms; }
.reveal.delay-3 { animation-delay: 220ms; }

@keyframes reveal-up {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 720px) {
    .container {
        width: min(1120px, 100% - 22px);
    }

    .site-nav {
        border-radius: 18px;
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-links {
        width: 100%;
    }

    .nav-links a {
        flex: 1;
        text-align: center;
    }

    .hero {
        padding: 22px 16px;
    }
}