/* ===========================
   Variables
=========================== */
:root {
    --accent: #00FF00;
    --bg: #0b0b10;
    --ink: #e8f0ff;
    --muted: #9aa3ad;
    --card: #12131a;
    --cardEdge: #1f2230;
    --overlay: rgba(0, 0, 0, .45);
    --navH: 64px;
    --maxW: 1100px;
    --safe-top: env(safe-area-inset-top, 0px);
}

/* ===========================
   Global / Structure
=========================== */
* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    line-height: 1.6;
}

html {
    scroll-behavior: smooth;
}

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

img {
    max-width: 100%;
    display: block;
}

.wrap {
    width: 100%;
    max-width: var(--maxW);
    margin: 0 auto;
    padding: 60px 16px;
}

.center {
    text-align: center;
}

.accent {
    color: var(--accent);
}

.muted {
    color: var(--muted);
}

h1,
h2,
h3 {
    margin: 0 0 12px;
    font-weight: 700;
}

.lead {
    color: var(--muted);
    line-height: 1.6;
    max-width: 820px;
    margin-inline: auto;
}

/* Section anchors land below sticky header */
section {
    scroll-margin-top: calc(var(--navH) + 16px);
}

/* ===========================
   Sticky Header + Nav
=========================== */
header {
    position: sticky;
    top: 0;
    z-index: 9999;
    isolation: isolate;
    height: calc(var(--navH) + var(--safe-top));
    padding-top: var(--safe-top);
    backdrop-filter: blur(10px);
    background: rgba(10, 12, 18, .6);
    border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.nav {
    margin: 0 auto;
    height: 100%;
    max-width: var(--maxW);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
}

.brand-logo {
    height: 40px;
    width: auto;
    display: block;
}

/* For the fallback text */
.brand-logo-fallback {
    display: inline-block;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    line-height: 1.2;
    color: var(--ink, #fff);
    letter-spacing: 0.06em;
}

/* Newsletter block */
.newsletter {
    background: #08090c;
    text-align: center;
    padding: 48px 16px;
}

/* Inner container stays centered + narrow */
.newsletter-inner {
    max-width: 500px;
    margin: 0 auto;
}

/* Brandmark logo link */
.newsletter-logo img {
    height: 60px;
    /* adjust as needed */
    margin: 0 auto 20px;
    display: block;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 18px;
    padding: 0;
    margin: 0;
}

nav a {
    padding: 10px 12px;
    border-radius: 10px;
    font-weight: 500;
    color: var(--muted);
}

nav a:hover {
    color: var(--ink);
    background: rgba(255, 255, 255, .06);
}

/* Hamburger button (hidden on desktop) */
.menu-toggle {
    display: none;
    border: 0;
    background: transparent;
    padding: 10px;
    margin-left: 8px;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    margin: 4px 0;
    background: var(--ink);
    transition: transform .25s ease, opacity .25s ease;
}

/* Mobile nav reveal */
@media (max-width: 820px) {
    .menu-toggle {
        display: inline-block;
    }

    .nav nav {
        position: absolute;
        top: calc(var(--navH) + var(--safe-top));
        left: 0;
        right: 0;
        background: rgba(10, 12, 18, .96);
        border-bottom: 1px solid rgba(255, 255, 255, .08);
        transform: translateY(-8px);
        opacity: 0;
        pointer-events: none;
        transition: opacity .2s ease, transform .2s ease;
    }

    .nav nav ul {
        display: grid;
        gap: 4px;
        padding: 10px 12px;
    }

    .nav.open nav {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    /* bigger tap targets on mobile */
    nav a {
        padding: 14px 12px;
        display: block;
    }
}

/* ===========================
   Hero / Three.js
=========================== */
/* JS will set mobile height precisely; keep default minimal + overflow rules */
#hero {
    position: relative;
    width: 100%;
    max-width: 100vw;
    overflow: hidden;
}

/* Disable text selection / touch callouts inside the hero */
#hero,
#hero * {
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    /* iOS long-press menu */
    -webkit-tap-highlight-color: transparent;
    -webkit-user-drag: none;
    touch-action: pan-y;
    /* allow scroll/zoom, block double-tap */
}

#hero canvas {
    position: absolute;
    inset: 0;
    display: block;
    pointer-events: auto;
}

/* Desktop clamp only (mobile height comes from JS inline style) */
@media (min-width: 1024px) {
    #hero {
        height: min(86vh, 820px);
    }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    pointer-events: none;
    background: radial-gradient(1200px 600px at 50% 20%, rgba(0, 224, 255, .08), transparent 60%);
}

/* ===========================
   Banner Image with Overlay Title
=========================== */
.banner {
    position: relative;
    width: 100%;
    min-height: 42vh;
    background: #090c14;
    overflow: hidden;
    max-height: 450px;
    border-block: 1px solid rgba(255, 255, 255, .06);
}

.banner img {
    width: 100%;
    height: 100%;
    max-height: 450px;
    object-fit: cover;
    opacity: .9;
}

.banner .title {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font-size: clamp(32px, 6vw, 72px);
    font-weight: 800;
    letter-spacing: .1em;
    text-shadow: 0 10px 30px rgba(0, 0, 0, .65);
}

/* ===========================
   Cards
=========================== */
.grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 900px) {
    .grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 820px) {
    .grid {
        grid-template-columns: 1fr;
    }
}

.card {
    position: relative;
    overflow: clip;
    border-radius: 16px;
    background: linear-gradient(180deg, var(--card), #0d0e15);
    border: 1px solid var(--cardEdge);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    min-height: 200px;
}

.card:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 224, 255, .35);
    box-shadow: 0 12px 40px rgba(0, 224, 255, .08);
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    opacity: .95;
}

.card .tag {
    position: absolute;
    left: 12px;
    top: 12px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(0, 0, 0, .45);
    border: 1px solid rgba(255, 255, 255, .16);
    font-weight: 600;
    letter-spacing: .08em;
}

.card .body {
    padding: 14px 14px 18px;
    color: var(--muted);
    font-size: .95rem;
}

/* ===========================
   Footer + Legal
=========================== */
footer {
    border-top: 1px solid rgba(255, 255, 255, .08);
    background: #0a0c12;
}

.footer-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: 1fr auto;
}

.foot-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: flex-end;
}

.foot-links a {
    color: var(--muted);
}

@media (max-width: 700px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .foot-links {
        justify-content: center;
    }
}

footer .legal {
    padding: 12px 0 40px;
    color: var(--muted);
    font-size: .95rem;
    line-height: 1.6;
}

main.legal {
    padding-top: 24px;
}

/* ===========================
   Mobile polish / perf
=========================== */
/* tighter section padding on small phones */
@media (max-width: 640px) {
    section .wrap {
        padding: 36px 16px;
    }
}

/* lighter blur on tiny devices */
@media (max-width: 480px) {
    header {
        backdrop-filter: none;
        background: rgba(10, 12, 18, .9);
    }

    .hero-overlay {
        background: radial-gradient(800px 400px at 50% 20%, rgba(0, 224, 255, .06), transparent 60%);
    }
}