/* ══════════════════════════════════════════
   AXION — Design System v3
   Cohesive UI across landing + sub-pages
   ══════════════════════════════════════════ */

:root {
    --pri: #7c6aef;
    --pri-soft: rgba(124, 106, 239, 0.1);
    --pri-glow: rgba(124, 106, 239, 0.3);
    --cyan: #38bdf8;
    --lav: #a78bfa;
    --bg: #0b0b12;
    --card: rgba(255, 255, 255, 0.03);
    --card-h: rgba(255, 255, 255, 0.06);
    --brd: rgba(255, 255, 255, 0.07);
    --brd-h: rgba(255, 255, 255, 0.14);
    --t1: #ecedf4;
    --t2: rgba(236, 237, 244, 0.55);
    --t3: rgba(236, 237, 244, 0.32);
    --nav-h: 60px;
    --nav-h-mob: 50px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

    /* Type families */
    --ff-display: 'Geist', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --ff-sans: 'Geist', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --ff-mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;
    --ff-serif: 'Instrument Serif', Georgia, serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--ff-sans);
    font-size: 0.94rem;
    line-height: 1.6;
    letter-spacing: -0.011em;
    background: var(--bg);
    color: var(--t1);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: "kern" 1, "liga" 1, "calt" 1, "ss01" 1, "ss03" 1;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

p { letter-spacing: -0.011em; }

/* Refined display utility — for big headings using gradient */
.display {
    font-family: var(--ff-display);
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.05;
}

.tabular { font-variant-numeric: tabular-nums; }

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.skip-link {
    position: absolute;
    left: -9999px; top: 0;
    padding: 0.5rem 1rem;
    background: var(--pri);
    color: #fff;
    font-size: 0.78rem;
    border-radius: 6px;
    z-index: 1000;
}
.skip-link:focus { left: 1rem; top: 1rem; }

:focus-visible {
    outline: 2px solid var(--lav);
    outline-offset: 3px;
    border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}

/* ── Particles ── */
#c { position: fixed; inset: 0; z-index: 0; pointer-events: none; }

/* ── Orbs ── */
.orb {
    position: fixed; border-radius: 50%; filter: blur(80px);
    pointer-events: none; z-index: 0; will-change: transform, opacity;
}
.orb-1 {
    width: 550px; height: 550px; top: -18%; left: -8%;
    background: rgba(124, 106, 239, 0.12);
    animation: orbF 18s ease-in-out infinite;
}
.orb-2 {
    width: 420px; height: 420px; bottom: -12%; right: -8%;
    background: rgba(56, 189, 248, 0.08);
    animation: orbF 22s ease-in-out infinite reverse;
}
.orb-3 {
    width: 300px; height: 300px; top: 40%; right: 10%;
    background: rgba(167, 139, 250, 0.06);
    animation: orbF 16s ease-in-out infinite 4s;
}
@keyframes orbF {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
    33% { transform: translate(25px, 15px) scale(1.06); opacity: 0.85; }
    66% { transform: translate(-15px, 25px) scale(0.95); opacity: 0.7; }
}

/* ── Grid ── */
.grid-bg {
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    background-image:
        linear-gradient(rgba(124, 106, 239, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124, 106, 239, 0.025) 1px, transparent 1px);
    background-size: 52px 52px;
    -webkit-mask-image: radial-gradient(ellipse 50% 40% at 50% 30%, black, transparent 75%);
    mask-image: radial-gradient(ellipse 50% 40% at 50% 30%, black, transparent 75%);
}

/* ── Circuit ── */
.cline {
    position: fixed; height: 1px;
    background: rgba(124, 106, 239, 0.07); overflow: hidden;
    z-index: 0; pointer-events: none;
}
.cline::after {
    content: '';
    position: absolute; top: 0; left: 0;
    width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(167, 139, 250, 0.6), transparent);
    transform: translateX(-100%);
    animation: sweep 5s ease-in-out infinite;
}
.cl-1 { top: 18%; left: 0; width: 25%; }
.cl-2 { top: 80%; right: 0; left: auto; width: 20%; }
.cl-2::after { animation-delay: 2s; animation-direction: reverse; }

.cline-v {
    position: fixed; width: 1px;
    background: rgba(56, 189, 248, 0.07); overflow: hidden;
    z-index: 0; pointer-events: none;
}
.cline-v::after {
    content: '';
    position: absolute; left: 0; top: 0;
    width: 100%; height: 50%;
    background: linear-gradient(180deg, transparent, rgba(56, 189, 248, 0.5), transparent);
    transform: translateY(-100%);
    animation: sweepV 6s ease-in-out infinite;
}
.cv-1 { right: 16%; top: 0; height: 35%; }
.cv-1::after { animation-delay: 1s; }

@keyframes sweep {
    0% { transform: translateX(-100%); opacity: 0; }
    10% { opacity: 1; } 90% { opacity: 1; }
    100% { transform: translateX(250%); opacity: 0; }
}
@keyframes sweepV {
    0% { transform: translateY(-100%); opacity: 0; }
    10% { opacity: 1; } 90% { opacity: 1; }
    100% { transform: translateY(250%); opacity: 0; }
}

/* Nodes */
.node {
    position: fixed; width: 3px; height: 3px;
    background: var(--lav); border-radius: 50%;
    box-shadow: 0 0 8px var(--lav), 0 0 18px var(--pri-glow);
    z-index: 1; pointer-events: none;
    animation: nodeP 3s ease-in-out infinite;
}
.nd-1 { top: 18%; left: 25%; }
.nd-2 { top: 80%; right: 20%; animation-delay: 1.5s; }
.nd-3 { right: 16%; top: 35%; animation-delay: 1s; }

@keyframes nodeP {
    0%, 100% { opacity: 0.2; transform: scale(1); }
    50% { opacity: 0.9; transform: scale(1.8); }
}

/* ── Reveal ── */
[data-r] {
    opacity: 0; transform: translateY(20px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
[data-r].v { opacity: 1; transform: none; }

/* ══════════════════════════════════════════
   NAVIGATION + LOGO
   ══════════════════════════════════════════ */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: var(--nav-h);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 1.6rem;
    background: rgba(11, 11, 18, 0.65);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid var(--brd);
    transition: background 0.3s ease, border-color 0.3s ease, height 0.3s ease;
}
.nav.scrolled {
    background: rgba(11, 11, 18, 0.85);
    border-bottom-color: var(--brd-h);
}

.nav-brand {
    display: inline-flex; align-items: center; gap: 0.6rem;
    text-decoration: none; color: var(--t1);
    transition: opacity 0.2s;
}
.nav-brand:hover { opacity: 0.92; }

.brand-mark {
    width: 30px; height: 30px;
    filter: drop-shadow(0 0 10px var(--pri-glow));
    transition: transform 0.4s var(--ease), filter 0.3s;
}
.nav-brand:hover .brand-mark {
    transform: rotate(-4deg) scale(1.08);
    filter: drop-shadow(0 0 14px var(--pri-glow));
}
.brand-mark .ax-node { animation: nodeP 2.6s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }

.nav-word {
    font-family: var(--ff-display);
    font-weight: 600;
    font-size: 0.96rem;
    letter-spacing: 0.18em;
}

.nav-right {
    display: flex; align-items: center; gap: 0.25rem;
}
.nav-link {
    position: relative;
    padding: 0.5rem 1rem;
    font-family: var(--ff-sans);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: -0.011em;
    color: var(--t2);
    text-decoration: none;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
}
.nav-link:hover { color: var(--t1); background: var(--card); }
.nav-link.active { color: var(--t1); }
.nav-link.active::after {
    content: '';
    position: absolute; left: 50%; bottom: -2px;
    transform: translateX(-50%);
    width: 14px; height: 2px;
    background: linear-gradient(90deg, var(--pri), var(--cyan));
    border-radius: 2px;
    box-shadow: 0 0 8px var(--pri-glow);
}
.nav-btn {
    margin-left: 0.5rem;
    padding: 0.45rem 1.05rem;
    color: #fff !important;
    background: linear-gradient(135deg, var(--pri), #6d5ce7);
    border-radius: 7px;
    box-shadow: 0 2px 12px var(--pri-glow);
    transition: transform 0.2s, box-shadow 0.25s;
}
.nav-btn:hover {
    background: linear-gradient(135deg, var(--pri), #6d5ce7) !important;
    transform: translateY(-1px);
    box-shadow: 0 5px 22px var(--pri-glow);
}
.nav-btn.active::after { display: none; }

/* Mobile hamburger */
.nav-toggle {
    display: none;
    width: 36px; height: 36px;
    background: transparent;
    border: 1px solid var(--brd);
    border-radius: 8px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s, background 0.2s;
}
.nav-toggle:hover { border-color: var(--brd-h); background: var(--card); }
.nav-toggle-box {
    width: 16px; height: 12px;
    position: relative;
}
.nav-toggle-box span {
    position: absolute; left: 0;
    width: 16px; height: 1.5px;
    background: var(--t1);
    border-radius: 2px;
    transition: transform 0.35s var(--ease), opacity 0.2s;
}
.nav-toggle-box span:nth-child(1) { top: 0; }
.nav-toggle-box span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.nav-toggle-box span:nth-child(3) { bottom: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-box span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-box span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-box span:nth-child(3) { bottom: auto; top: 50%; transform: translateY(-50%) rotate(-45deg); }

/* ══════════════════════════════════════════
   BREADCRUMB
   ══════════════════════════════════════════ */
.breadcrumb {
    position: relative; z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: calc(var(--nav-h) + 1.5rem) 1.5rem 0;
}
.breadcrumb ol {
    list-style: none;
    display: flex; flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--ff-mono);
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0;
}
.breadcrumb li {
    display: inline-flex; align-items: center;
    gap: 0.45rem;
}
.breadcrumb li:not(:last-child)::after {
    content: '›';
    color: var(--t3);
    font-size: 0.85rem;
    line-height: 1;
}
.breadcrumb a {
    color: var(--t3);
    text-decoration: none;
    transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--t1); }
.breadcrumb [aria-current="page"] {
    color: var(--lav);
    font-weight: 600;
}

/* ══════════════════════════════════════════
   HERO + CONTENT
   ══════════════════════════════════════════ */
.hero {
    position: relative; z-index: 1;
    text-align: center;
    padding: 3rem 1.5rem 3.5rem;
}
.hero-label {
    font-family: var(--ff-mono);
    font-size: 0.66rem; font-weight: 500;
    color: var(--lav);
    letter-spacing: 0.14em; text-transform: uppercase;
    margin-bottom: 1.4rem;
    display: inline-flex; align-items: center; gap: 0.7rem;
}
.hero-label::before, .hero-label::after {
    content: ''; width: 22px; height: 1px;
    background: linear-gradient(90deg, transparent, var(--lav), transparent);
    opacity: 0.4;
}
.hero h1 {
    font-family: var(--ff-display);
    font-size: clamp(2.4rem, 6vw, 3.6rem);
    font-weight: 600;
    letter-spacing: -0.035em;
    line-height: 1.04;
    margin-bottom: 1.2rem;
    background: linear-gradient(180deg, #fff 30%, rgba(236, 237, 244, 0.7));
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    text-wrap: balance;
}
.hero p {
    font-family: var(--ff-sans);
    font-size: 0.98rem; color: var(--t2);
    line-height: 1.68;
    letter-spacing: -0.011em;
    max-width: 520px; margin: 0 auto;
    text-wrap: pretty;
}

.content {
    position: relative; z-index: 1;
    max-width: 880px; margin: 0 auto;
    padding: 0 1.5rem 4rem;
    flex: 1;
}

.sec-label {
    font-family: var(--ff-mono);
    font-size: 0.64rem; font-weight: 500;
    color: var(--lav); letter-spacing: 0.14em;
    text-transform: uppercase; margin-bottom: 1.2rem;
}

/* ── Glass cards ── */
.card {
    padding: 1.6rem;
    border-radius: 14px;
    border: 1px solid var(--brd);
    background: var(--card);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    transition: all 0.35s ease;
    position: relative; overflow: hidden;
}
.card::before {
    content: '';
    position: absolute; top: 0; left: 20%; right: 20%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--lav), transparent);
    opacity: 0; transition: opacity 0.35s;
}
.card:hover::before { opacity: 0.5; }
.card::after {
    content: '';
    position: absolute; top: -40%; left: 50%; transform: translateX(-50%);
    width: 70%; height: 60%;
    background: radial-gradient(ellipse, var(--pri-glow), transparent 70%);
    filter: blur(25px); opacity: 0;
    transition: opacity 0.35s; pointer-events: none;
}
.card:hover::after { opacity: 0.08; }
.card:hover {
    background: var(--card-h);
    border-color: var(--brd-h);
    transform: translateY(-3px);
}

.card-icon {
    width: 42px; height: 42px; border-radius: 11px;
    display: grid; place-items: center; flex-shrink: 0;
    background: linear-gradient(135deg, rgba(124, 106, 239, 0.1), rgba(56, 189, 248, 0.05));
    border: 1px solid rgba(124, 106, 239, 0.1);
    transition: all 0.35s;
}
.card:hover .card-icon {
    transform: scale(1.06);
    box-shadow: 0 4px 14px rgba(124, 106, 239, 0.1);
}
.card-icon svg {
    width: 20px; height: 20px;
    stroke: var(--lav); fill: none;
    stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}

/* ── Buttons ── */
.btn {
    display: inline-flex; align-items: center; gap: 0.45rem;
    padding: 0.7rem 1.6rem;
    font-family: var(--ff-sans);
    font-size: 0.84rem; font-weight: 500;
    letter-spacing: -0.011em;
    text-decoration: none; border-radius: 8px;
    transition: all 0.25s var(--ease); position: relative; overflow: hidden;
    cursor: pointer;
    border: none;
    white-space: nowrap;
}
.btn svg { width: 14px; height: 14px; transition: transform 0.2s; }
.btn:hover svg { transform: translateX(2px); }

.btn-pri {
    color: #fff;
    background: linear-gradient(135deg, var(--pri), #6d5ce7);
    box-shadow: 0 2px 16px var(--pri-glow);
}
.btn-pri::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(90deg, transparent 30%, rgba(255,255,255,0.12), transparent 70%);
    transform: translateX(-120%); transition: transform 0.5s;
}
.btn-pri:hover::after { transform: translateX(120%); }
.btn-pri:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px var(--pri-glow);
}

.btn-ghost {
    color: var(--t1);
    background: var(--card);
    border: 1px solid var(--brd);
}
.btn-ghost:hover {
    background: var(--card-h);
    border-color: var(--brd-h);
    transform: translateY(-1px);
}

/* ── CTA block ── */
.cta-block {
    text-align: center; padding: 3rem 2rem;
    border-radius: 16px; border: 1px solid var(--brd);
    background: var(--card); margin-top: 3rem;
    position: relative; overflow: hidden;
}
.cta-block::before {
    content: '';
    position: absolute; top: -50%; left: 50%; transform: translateX(-50%);
    width: 60%; height: 60%;
    background: radial-gradient(ellipse, rgba(124, 106, 239, 0.08), transparent 70%);
    filter: blur(40px); pointer-events: none;
}
.cta-block h3 {
    font-family: var(--ff-display);
    font-size: clamp(1.4rem, 2.6vw, 1.7rem);
    font-weight: 600;
    letter-spacing: -0.028em;
    line-height: 1.15;
    margin-bottom: 0.7rem;
    position: relative;
    text-wrap: balance;
}
.cta-block p {
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--t2);
    margin-bottom: 1.7rem;
    position: relative;
    max-width: 440px;
    margin-left: auto; margin-right: auto;
    text-wrap: pretty;
    letter-spacing: -0.011em;
}
.cta-actions {
    display: inline-flex; gap: 0.6rem;
    flex-wrap: wrap; justify-content: center;
    position: relative;
}

/* ══════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════ */
.site-footer {
    position: relative; z-index: 1;
    max-width: 1100px; margin: 4rem auto 0;
    padding: 3rem 1.5rem 1.5rem;
    border-top: 1px solid var(--brd);
}
.footer-main {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}
.footer-brand .nav-brand { margin-bottom: 0.9rem; }
.footer-brand-desc {
    font-size: 0.8rem;
    color: var(--t2);
    line-height: 1.65;
    max-width: 280px;
}
.footer-col h4 {
    font-family: var(--ff-mono);
    font-size: 0.66rem;
    font-weight: 500;
    color: var(--t1);
    margin-bottom: 1.1rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.55rem; }
.footer-col a, .footer-col span {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--t2);
    text-decoration: none;
    transition: color 0.2s;
    line-height: 1.4;
}
.footer-col a:hover { color: var(--t1); }
.footer-col .footer-tag {
    display: inline-block;
    margin-top: 0.4rem;
    padding: 0.2rem 0.55rem;
    font-size: 0.6rem;
    color: var(--lav);
    background: var(--pri-soft);
    border: 1px solid rgba(124, 106, 239, 0.15);
    border-radius: 100px;
    letter-spacing: 0.08em;
}

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid var(--brd);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.68rem;
    color: var(--t3);
    letter-spacing: 0.04em;
}
.footer-bottom a {
    color: var(--t3);
    text-decoration: none;
    transition: color 0.2s;
}
.footer-bottom a:hover { color: var(--t2); }
.footer-meta {
    display: flex; gap: 1.2rem; align-items: center;
}

/* Back to top */
.to-top {
    position: fixed;
    right: 1.2rem; bottom: 5rem;
    width: 40px; height: 40px;
    border-radius: 50%;
    background: rgba(11, 11, 18, 0.85);
    border: 1px solid var(--brd-h);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    display: grid; place-items: center;
    color: var(--t1);
    cursor: pointer;
    opacity: 0; pointer-events: none;
    transform: translateY(10px);
    transition: opacity 0.3s, transform 0.3s, background 0.2s;
    z-index: 90;
}
.to-top.show { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { background: var(--card-h); border-color: var(--lav); }
.to-top svg { width: 16px; height: 16px; }

/* ══════════════════════════════════════════
   MOBILE
   ══════════════════════════════════════════ */
@media (max-width: 768px) {
    .nav {
        height: var(--nav-h-mob);
        padding: 0 1rem;
    }
    .nav-word { font-size: 0.85rem; letter-spacing: 0.14em; }
    .brand-mark { width: 26px; height: 26px; }

    .nav-toggle { display: inline-flex; }
    .nav-right {
        position: fixed;
        top: var(--nav-h-mob); left: 0; right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0.5rem 1rem 1.4rem;
        background: rgba(11, 11, 18, 0.96);
        -webkit-backdrop-filter: blur(24px) saturate(1.4);
        backdrop-filter: blur(24px) saturate(1.4);
        border-bottom: 1px solid var(--brd);
        transform: translateY(-115%);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.35s var(--ease), opacity 0.25s, visibility 0s linear 0.35s;
    }
    .nav-right.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        transition: transform 0.35s var(--ease), opacity 0.25s, visibility 0s;
    }
    .nav-link {
        display: block;
        padding: 0.9rem 0.4rem;
        font-size: 0.92rem;
        color: var(--t1);
        border-radius: 0;
        border-bottom: 1px solid var(--brd);
    }
    .nav-link:hover { background: transparent; color: var(--lav); }
    .nav-link.active::after {
        left: 0;
        transform: none;
    }
    .nav-btn {
        margin: 0.8rem 0 0;
        text-align: center;
        padding: 0.75rem;
        font-size: 0.88rem;
        border-radius: 8px;
    }

    .breadcrumb {
        padding: calc(var(--nav-h-mob) + 1rem) 1.2rem 0;
    }
    .breadcrumb ol { font-size: 0.65rem; }

    .hero { padding: 1.8rem 1.2rem 2rem; }
    .hero h1 { font-size: 1.8rem; }
    .hero p { font-size: 0.88rem; }

    .content { padding: 0 1.2rem 3rem; }

    .cline, .cline-v, .node, .grid-bg { display: none; }
    .orb { filter: blur(50px); }
    .orb-1 { width: 350px; height: 350px; background: rgba(124, 106, 239, 0.16); }
    .orb-2 { width: 280px; height: 280px; background: rgba(56, 189, 248, 0.1); }
    .orb-3 { display: none; }

    .cta-block { padding: 2.2rem 1.3rem; }
    .cta-block h3 { font-size: 1.05rem; }

    .site-footer { padding: 2.5rem 1.2rem 1.2rem; margin-top: 3rem; }
    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 1.6rem 1.4rem;
        margin-bottom: 2rem;
    }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom {
        flex-direction: column;
        gap: 0.6rem;
        text-align: center;
    }
    .footer-meta { gap: 1rem; }

    .to-top {
        right: 0.9rem; bottom: 4.5rem;
        width: 36px; height: 36px;
    }
}

@media (max-width: 380px) {
    .footer-main { grid-template-columns: 1fr; }
}