/* --- Theme Tokens --- */
:root {
    --bg: #07080c;
    --bg-elev: rgba(255, 255, 255, 0.04);
    --surface: rgba(255, 255, 255, 0.06);
    --surface-strong: rgba(255, 255, 255, 0.09);
    --border: rgba(255, 255, 255, 0.12);
    --border-strong: rgba(255, 255, 255, 0.18);

    --text: rgba(255, 255, 255, 0.92);
    --muted: rgba(255, 255, 255, 0.7);
    --faint: rgba(255, 255, 255, 0.5);

    --accent-pink: #ff3d81;
    --accent-cyan: #58e6ff;
    --accent-lime: #b5ff7a;
    --accent-amber: #ffd28a;
    --focus: rgba(181, 255, 122, 0.9);

    --shadow-lg: 0 28px 80px rgba(0, 0, 0, 0.6);
    --shadow-md: 0 18px 40px rgba(0, 0, 0, 0.45);

    --radius-xl: 22px;
    --radius-lg: 16px;
    --radius-md: 12px;

    --max: 1120px;
    --gutter: 20px;
    --header-height: 76px;

    --font-display: 'Fraunces', serif;
    --font-body: 'Spline Sans', ui-sans-serif, system-ui, -apple-system,
        BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Base --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background:
        radial-gradient(
            1200px 720px at 18% 10%,
            rgba(88, 230, 255, 0.14),
            transparent 62%
        ),
        radial-gradient(
            980px 680px at 82% 4%,
            rgba(255, 61, 129, 0.16),
            transparent 58%
        ),
        radial-gradient(
            1000px 760px at 84% 86%,
            rgba(181, 255, 122, 0.12),
            transparent 58%
        ),
        linear-gradient(180deg, #07080c 0%, #060712 55%, #05060a 100%);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    padding-top: var(--header-height);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
    background-size: 240px 240px;
    opacity: 0.07;
    mix-blend-mode: overlay;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    inset: -40vh -20vw;
    pointer-events: none;
    background: radial-gradient(
        closest-side,
        rgba(0, 0, 0, 0.2),
        rgba(0, 0, 0, 0.82)
    );
    opacity: 0.85;
    z-index: 0;
}

main,
header,
footer {
    position: relative;
    z-index: 1;
}

.container {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

a {
    color: inherit;
    text-decoration-color: rgba(255, 255, 255, 0.38);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

a:hover {
    text-decoration-color: rgba(255, 255, 255, 0.75);
}

:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 4px;
}

.skip-link {
    position: absolute;
    left: 12px;
    top: 10px;
    padding: 10px 14px;
    background: rgba(10, 11, 18, 0.9);
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    color: var(--text);
    text-decoration: none;
    transform: translateY(-140%);
    transition: transform 160ms var(--ease-out);
    z-index: 9999;
}

.skip-link:focus {
    transform: translateY(0);
}

/* --- Header --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    display: flex;
    align-items: center;
    z-index: 100;
    background: rgba(7, 8, 12, 0.58);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(14px);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
}

.logo {
    display: inline-flex;
    align-items: baseline;
    gap: 12px;
    text-decoration: none;
}

.logo-mark {
    font-family: var(--font-display);
    font-size: 1.55rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    line-height: 1;
    background: linear-gradient(
        120deg,
        rgba(255, 61, 129, 0.95),
        rgba(88, 230, 255, 0.92)
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-sub {
    font-size: 0.75rem;
    color: var(--faint);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    line-height: 1.2;
    white-space: nowrap;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 650;
    letter-spacing: 0.01em;
    padding: 10px 10px;
    border-radius: 999px;
    transition: color 160ms var(--ease-out),
        background-color 160ms var(--ease-out),
        transform 160ms var(--ease-out);
}

.nav-links a:hover {
    color: var(--text);
    background-color: rgba(255, 255, 255, 0.06);
}

.nav-links a[aria-current='page'] {
    color: var(--text);
    background-color: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-cta {
    color: rgba(7, 8, 12, 0.98) !important;
    background: linear-gradient(
        120deg,
        rgba(181, 255, 122, 0.98),
        rgba(88, 230, 255, 0.92)
    );
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.25);
}

.nav-cta:hover {
    transform: translateY(-1px);
}

/* --- Hero --- */
.hero {
    position: relative;
    padding: clamp(64px, 6.5vh, 96px) 0 34px;
    overflow: hidden;
    overflow: clip;
    text-align: center;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    justify-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    inset: -160px -80px 0;
    pointer-events: none;
    background:
        radial-gradient(
            680px 420px at 50% 18%,
            rgba(255, 210, 138, 0.12),
            transparent 64%
        ),
        radial-gradient(
            560px 420px at 24% 34%,
            rgba(88, 230, 255, 0.16),
            transparent 62%
        ),
        radial-gradient(
            560px 420px at 78% 42%,
            rgba(255, 61, 129, 0.16),
            transparent 62%
        );
    filter: blur(1px);
    opacity: 0.95;
}

.hero-content {
    position: relative;
    max-width: 64ch;
    margin: 0 auto;
    animation: float-in 760ms var(--ease-out) both;
}

.kicker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: 650;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--faint);
    font-size: 0.78rem;
    margin-bottom: 18px;
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(255, 255, 255, 0.09);
}

.slogan {
    font-family: var(--font-display);
    font-size: clamp(2.35rem, 3.9vw + 1rem, 4.25rem);
    font-weight: 850;
    letter-spacing: -0.03em;
    line-height: 1.03;
    margin-bottom: 18px;
    background: linear-gradient(
        125deg,
        rgba(255, 61, 129, 0.95),
        rgba(88, 230, 255, 0.92),
        rgba(181, 255, 122, 0.88)
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.description {
    font-size: 1.1rem;
    color: var(--muted);
    margin: 0 auto 26px;
    max-width: 60ch;
}

.cta-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    min-height: 46px;
    font-size: 0.98rem;
    font-weight: 700;
    color: rgba(7, 8, 12, 0.98);
    background: linear-gradient(
        120deg,
        rgba(255, 210, 138, 0.95),
        rgba(255, 61, 129, 0.86)
    );
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.28);
    transition: transform 160ms var(--ease-out),
        box-shadow 160ms var(--ease-out),
        filter 160ms var(--ease-out);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 44px rgba(0, 0, 0, 0.35);
    filter: saturate(1.08);
}

.cta-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    min-height: 46px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: background-color 160ms var(--ease-out),
        transform 160ms var(--ease-out);
}

.cta-link:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-1px);
}

.hero-background-glow {
    position: absolute;
    width: min(760px, 90vw);
    height: min(760px, 90vw);
    left: 50%;
    top: 12%;
    transform: translateX(-50%);
    background: radial-gradient(
        circle,
        rgba(88, 230, 255, 0.12),
        transparent 62%
    );
    filter: blur(70px);
    z-index: -1;
    opacity: 0.95;
}

/* --- Home Tiles --- */
#principles {
    scroll-margin-top: calc(var(--header-height) + 18px);
}

.home {
    padding: 14px 0 86px;
}

.home-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 18px;
    max-width: 64ch;
}

.home-header h2 {
    font-family: var(--font-display);
    font-size: clamp(1.55rem, 1.2vw + 1.05rem, 2.1rem);
    letter-spacing: -0.02em;
    color: var(--text);
}

.home-header p {
    color: var(--muted);
    max-width: 70ch;
}

.home-grid {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.home-tile {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
    min-height: 112px;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.06),
        rgba(255, 255, 255, 0.03)
    );
    box-shadow: var(--shadow-md);
}

.home-tile--static {
    cursor: default;
}

.home-tile-icon {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
}

.home-tile-icon i {
    font-size: 1.25rem;
    background: linear-gradient(
        120deg,
        rgba(88, 230, 255, 0.92),
        rgba(255, 61, 129, 0.92),
        rgba(181, 255, 122, 0.86)
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.home-tile-body {
    min-width: 0;
}

.home-tile-title {
    font-size: 1.05rem;
    letter-spacing: -0.01em;
    margin-bottom: 6px;
}

.home-tile-meta {
    color: var(--muted);
    font-size: 0.98rem;
}

/* --- Footer --- */
footer {
    padding: 58px 0 42px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.02);
}

.footer-container {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 20px;
    padding: 22px;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.035);
    box-shadow: var(--shadow-md);
}

.footer-label {
    font-size: 0.74rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--faint);
    margin-bottom: 10px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
}

.footer-email {
    font-weight: 750;
    text-decoration: none;
    background: linear-gradient(
        120deg,
        rgba(88, 230, 255, 0.92),
        rgba(255, 61, 129, 0.88)
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-address {
    color: var(--muted);
    font-style: normal;
    max-width: 62ch;
}

.footer-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}

.footer-links a {
    color: var(--muted);
    text-decoration: none;
    padding: 6px 10px;
    border-radius: 10px;
    transition: background-color 160ms var(--ease-out),
        color 160ms var(--ease-out);
}

.footer-links a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}

.copyright {
    margin-top: 18px;
    color: rgba(255, 255, 255, 0.38);
    font-size: 0.9rem;
    text-align: center;
}

/* --- Motion --- */
@keyframes float-in {
    from {
        opacity: 0;
        transform: translateY(10px);
        filter: blur(2px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .hero-content {
        animation: none;
    }

    .cta-button,
    .cta-link,
    .home-tile {
        transition: none;
    }
}

/* --- Responsive --- */
@media (max-width: 860px) {
    :root {
        --header-height: 84px;
    }

    header {
        height: var(--header-height);
    }

    .nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .nav-links {
        width: 100%;
        justify-content: flex-start;
        gap: 10px;
    }

    .logo-sub {
        display: none;
    }

    .hero {
        text-align: center;
    }

    .hero-content {
        margin: 0 auto;
    }

    .description {
        margin: 0 auto 26px;
    }

    .cta-row {
        justify-content: center;
    }

    .home-header {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 861px) {
    .home-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }
}

@media (min-width: 1120px) {
    .home-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 18px;
    }
}