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

:root {
    --bg-deep: #F5F6FA;
    --bg-primary: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-elevated: #F8F9FD;
    --bg-hover: #F0F2F8;
    --border: rgba(0,0,0,0.06);
    --border-active: rgba(0,0,0,0.12);
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    --accent: #4B7BFF;
    --accent-hover: #6391FF;
    --accent-subtle: rgba(75,123,255,0.10);
    --accent-cyan: #0CA678;
    --accent-amber: #D97706;
    --accent-rose: #E11D48;
    --accent-purple: #7C3AED;
    --font-sans: -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
    --font-mono: 'Consolas', 'Courier New', monospace;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow-card: 0 0 0 1px rgba(0,0,0,0.04), 0 4px 24px rgba(0,0,0,0.06);
    --shadow-glow: 0 0 60px rgba(75,123,255,0.08);
    --transition: 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    color: var(--text-secondary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    line-height: 1.7;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font: inherit; }
::selection { background: var(--accent); color: #fff; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 28px; }

/* Typography */
.h1 { font-size: clamp(2.4rem, 5.5vw, 4.2rem); font-weight: 800; line-height: 1.08; letter-spacing: -0.03em; color: var(--text-primary); }
.h2 { font-size: clamp(1.6rem, 3.2vw, 2.6rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; color: var(--text-primary); }
.h3 { font-size: 1.15rem; font-weight: 600; line-height: 1.35; color: var(--text-primary); }
.body-lg { font-size: 1.0625rem; line-height: 1.7; color: var(--text-secondary); }
.body { font-size: 0.9375rem; line-height: 1.7; color: var(--text-secondary); }
.caption { font-size: 0.8125rem; color: var(--text-muted); }

/* Section */
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header .body { max-width: 520px; margin: 14px auto 0; }
.section-label {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 100px;
    font-size: 0.75rem; font-weight: 600;
    background: var(--accent-subtle);
    color: var(--accent);
    margin-bottom: 18px;
    letter-spacing: 0.02em;
}

/* Reveal animation */
.reveal {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Nav */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(255,255,255,0.82);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}
.nav.scrolled { background: rgba(255,255,255,0.95); }
.nav-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
}
.nav-logo {
    display: flex; align-items: center; gap: 10px;
    font-weight: 700; font-size: 1.1rem; color: var(--text-primary);
    letter-spacing: -0.01em;
}
.nav-logo-icon {
    width: 30px; height: 30px;
    background: var(--accent);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 0.8rem;
    box-shadow: 0 0 20px var(--accent-glow, rgba(75,123,255,0.2));
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
    font-size: 0.875rem; font-weight: 500; color: var(--text-secondary);
    transition: color 0.25s;
    position: relative;
}
.nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
    height: 2px; background: var(--accent);
    transform: scaleX(0); transition: transform 0.3s;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { transform: scaleX(1); }
.btn-nav {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 18px; border-radius: var(--radius-sm);
    font-size: 0.8125rem; font-weight: 600;
    background: var(--accent); color: #fff;
    transition: all 0.25s;
}
.btn-nav:hover { background: var(--accent-hover); box-shadow: 0 4px 16px rgba(75,123,255,0.25); }
.nav-toggle { display: none; background: none; border: none; font-size: 1.25rem; color: var(--text-secondary); }

.mobile-menu {
    max-height: 0; overflow: hidden;
    transition: max-height 0.4s;
}
.mobile-menu.open { max-height: 400px; }
.mobile-menu a {
    display: block; padding: 12px 0;
    font-size: 0.9375rem; color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-toggle { display: block; }
}

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border-radius: var(--radius-sm);
    font-size: 0.9rem; font-weight: 600;
    transition: all 0.3s; border: none;
}
.btn-primary {
    background: var(--accent); color: #fff;
    box-shadow: 0 4px 16px rgba(75,123,255,0.20);
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(75,123,255,0.30); }
.btn-ghost {
    background: transparent;
    border: 1px solid var(--border-active);
    color: var(--text-primary);
}
.btn-ghost:hover { border-color: var(--accent); background: var(--accent-subtle); transform: translateY(-2px); }
.btn-outline {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
}
.btn-outline:hover { background: var(--accent-subtle); transform: translateY(-2px); }
.btn-sm { padding: 8px 18px; font-size: 0.8125rem; }

/* Hero */
.hero {
    min-height: 100vh;
    display: flex; align-items: center;
    position: relative;
    overflow: hidden;
    padding: 100px 0 60px;
}
.hero-bg {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000, transparent);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000, transparent);
}
.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
}
.hero-orb-1 {
    width: 600px; height: 600px;
    background: rgba(75,123,255,0.08);
    top: -200px; right: -100px;
    animation: orb-drift 25s ease-in-out infinite;
}
.hero-orb-2 {
    width: 400px; height: 400px;
    background: rgba(124,58,237,0.06);
    bottom: -100px; left: -100px;
    animation: orb-drift 30s ease-in-out infinite reverse;
}
.hero-orb-3 {
    width: 300px; height: 300px;
    background: rgba(12,166,120,0.05);
    top: 30%; left: 50%;
    animation: orb-drift 20s ease-in-out infinite 5s;
}
@keyframes orb-drift {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(40px, -60px); }
    66% { transform: translate(-30px, 40px); }
}

.hero-inner {
    position: relative; z-index: 1;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}
.hero-tag {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 14px; border-radius: 100px;
    font-size: 0.75rem; font-weight: 600;
    background: var(--accent-subtle); color: var(--accent);
    margin-bottom: 24px;
    border: 1px solid rgba(75,123,255,0.15);
}
.hero-tag-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--accent-cyan);
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}
.hero h1 { margin-bottom: 20px; }
.hero h1 .highlight {
    background: linear-gradient(135deg, var(--accent) 0%, #A78BFA 50%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc { font-size: 1.1rem; color: var(--text-secondary); max-width: 520px; margin-bottom: 36px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-stat {
    display: flex; gap: 36px;
    margin-top: 48px; padding-top: 32px;
    border-top: 1px solid var(--border);
    max-width: 480px;
}
.hero-stat-item { display: flex; flex-direction: column; }
.hero-stat-num { font-size: 1.6rem; font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em; }
.hero-stat-label { font-size: 0.8125rem; color: var(--text-muted); margin-top: 2px; }
.hero-deploy {
    margin-top: 40px; padding: 24px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
}
.hero-deploy-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.hero-deploy-icon {
    width: 36px; height: 36px; border-radius: 8px;
    background: rgba(12,166,120,0.12); color: var(--accent-cyan);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; flex-shrink: 0;
}
.hero-deploy-title { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); }
.hero-deploy-meta { font-size: 0.78rem; color: var(--text-muted); }
.hero-deploy-meta a:hover { text-decoration: underline; }
.hero-deploy-tabs {
    display: flex; gap: 4px; margin-top: 16px;
    background: var(--bg-hover); border-radius: 8px; padding: 3px;
    width: fit-content;
}
.hero-deploy-tab {
    padding: 6px 18px; border: none; border-radius: 6px;
    font-size: 0.8rem; font-weight: 500; cursor: pointer;
    background: transparent; color: var(--text-secondary);
    transition: var(--transition);
}
.hero-deploy-tab:hover { color: var(--text-primary); }
.hero-deploy-tab.active {
    background: var(--bg-primary); color: var(--text-primary);
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.hero-deploy-cmd {
    display: flex; align-items: center; gap: 8px;
    margin-top: 12px;
    background: rgba(0,0,0,0.04); border-radius: 8px; padding: 10px 14px;
    font-family: var(--font-mono); font-size: 0.82rem;
    border: 1px solid var(--border);
}
.hero-deploy-cmd code { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-primary); }
.hero-deploy-copy {
    background: none; border: none; padding: 4px 8px;
    color: var(--text-muted); font-size: 0.8rem; cursor: pointer; border-radius: 4px; flex-shrink: 0;
}
.hero-deploy-copy:hover { color: var(--accent-cyan); background: rgba(0,0,0,0.05); }
.hero-cdc {
    margin-top: 28px; margin-bottom: 8px;
    display: flex; align-items: center; gap: 16px;
    flex-wrap: wrap; justify-content: center;
}
.hero-cdc-label {
    display: flex; align-items: center; gap: 6px;
    font-size: 0.85rem; font-weight: 600; color: var(--text-primary);
    white-space: nowrap;
}
.hero-cdc-label i { font-size: 0.8rem; color: var(--accent-cyan); }
.hero-cdc-items { display: flex; flex-wrap: wrap; gap: 8px; }
.hero-cdc-item {
    display: inline-flex; align-items: center;
    padding: 4px 14px; border-radius: 100px;
    font-size: 0.82rem; font-weight: 600;
    background: color-mix(in srgb, var(--cdc-clr) 10%, transparent);
    color: var(--cdc-clr);
}
.hero-visual {
    position: relative;
    display: flex; align-items: center; justify-content: center;
}
.hero-card {
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: 0 4px 32px rgba(0,0,0,0.04);
    overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    position: relative;
}
.hero-card-glow {
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(75,123,255,0.06), transparent 70%);
    pointer-events: none;
}
.hero-card img { width: 85%; height: 85%; object-fit: contain; opacity: 0.9; }

@media (max-width: 860px) {
    .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .hero-desc { margin: 0 auto 36px; }
    .hero-actions { justify-content: center; }
    .hero-stat { justify-content: center; }
    .hero-visual { order: -1; }
    .hero-card { max-width: 400px; margin: 0 auto; }
}

/* Pain/Solution */
.ps-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}
.ps-col-title {
    font-size: 0.8rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.08em; margin-bottom: 24px;
}
.ps-col-title.pain { color: var(--accent-rose); }
.ps-col-title.solution { color: var(--accent-cyan); }
.ps-items { display: flex; flex-direction: column; gap: 16px; }
.ps-item {
    display: flex; gap: 14px;
    padding: 18px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--bg-card);
    transition: var(--transition);
}
.ps-item:hover { border-color: var(--border-active); background: var(--bg-elevated); }
.ps-item-icon {
    width: 32px; height: 32px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem; flex-shrink: 0; margin-top: 2px;
}
.ps-item-icon.pain { background: rgba(244,63,94,0.12); color: var(--accent-rose); }
.ps-item-icon.solution { background: rgba(6,214,160,0.12); color: var(--accent-cyan); }
.ps-item h4 { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.ps-item p { font-size: 0.8125rem; color: var(--text-muted); line-height: 1.6; }
.ps-divider {
    display: none;
}

@media (min-width: 1024px) {
    .ps-grid { position: relative; }
    .ps-divider {
        display: block; position: absolute;
        left: 50%; top: 0; bottom: 0; width: 1px;
        background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.08), transparent);
        transform: translateX(-50%);
    }
}
@media (max-width: 768px) {
    .ps-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.f-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: var(--transition);
    position: relative;
}
.f-card:hover {
    border-color: var(--border-active);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}
.f-card-icon {
    width: 42px; height: 42px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; color: #fff;
    margin-bottom: 18px;
}
.f-card h3 { font-size: 1.05rem; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; }
.f-card > .body { font-size: 0.875rem; margin-bottom: 18px; }
.f-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.f-list li {
    display: flex; align-items: flex-start; gap: 8px;
    font-size: 0.8125rem; color: var(--text-secondary); line-height: 1.5;
}
.f-list li i {
    font-size: 0.5rem; color: var(--accent); margin-top: 6px; flex-shrink: 0;
}

@media (max-width: 1024px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .features-grid { grid-template-columns: 1fr; } }

/* Datasources */
.ds-wrap {
    position: relative;
    mask-image: linear-gradient(to right, transparent, #000 4%, #000 96%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, #000 4%, #000 96%, transparent);
}
.ds-row-wrap { overflow: hidden; }
.ds-row-wrap + .ds-row-wrap { margin-top: 16px; }
.ds-row {
    display: flex; gap: 20px; width: max-content;
    padding: 8px 0;
}
.ds-row-1 { animation: ds-scroll 60s linear infinite; }
.ds-row-2 { animation: ds-scroll 60s linear infinite reverse; }
.ds-row-3 { animation: ds-scroll 60s linear infinite; }
@keyframes ds-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-33.33%); }
}
.ds-item {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 16px 8px 8px;
    border-radius: 100px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: var(--transition);
}
.ds-item:hover { border-color: var(--border-active); background: var(--bg-elevated); }
.ds-item-img {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    padding: 6px;
}
.ds-item-img img { width: 100%; height: 100%; object-fit: contain; }
.ds-item span { font-size: 0.8125rem; font-weight: 500; color: var(--text-secondary); white-space: nowrap; }

/* Why */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.why-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: var(--transition);
    text-align: center;
}
.why-card:hover {
    border-color: var(--border-active);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}
.why-card-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
    margin: 0 auto 18px;
}
.why-card h3 { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.why-card .sub { font-size: 0.8125rem; color: var(--accent); margin-bottom: 12px; }
.why-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.65; }

@media (max-width: 860px) { .why-grid { grid-template-columns: 1fr; } }

/* Video */
.video-wrap {
    max-width: 780px; margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    background: var(--bg-deep);
}
.video-wrap iframe { width: 100%; height: 440px; display: block; }
@media (max-width: 640px) { .video-wrap iframe { height: 220px; } }

/* Cases */
.cases-wrap {
    max-width: 800px; margin: 0 auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    overflow: hidden;
}
.cases-table { width: 100%; border-collapse: collapse; }
.cases-table th {
    text-align: left; padding: 14px 24px;
    font-size: 0.7rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.08em;
    background: var(--bg-card);
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}
.cases-table td {
    padding: 16px 24px;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}
.cases-table tr:last-child td { border-bottom: none; }
.cases-table tr:hover td { background: var(--bg-elevated); }
.cases-table td:first-child { font-weight: 600; color: var(--text-primary); }
.cases-table td:last-child { color: var(--text-muted); }

@media (max-width: 640px) {
    .cases-wrap { overflow-x: auto; }
    .cases-table th, .cases-table td { padding: 12px 16px; }
}

/* Contact Intro */
.contact-intro {
    text-align: center;
    padding-bottom: 32px;
    margin-bottom: 24px;
    position: relative;
}
.contact-intro::after {
    content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
    width: 60px; height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-subtle) 30%, var(--accent) 50%, var(--accent-subtle) 70%, transparent);
    border-radius: 2px;
}
.contact-intro-icon {
    width: 56px; height: 56px; border-radius: 50%;
    background: var(--accent-subtle);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.4rem; color: var(--accent);
    margin-bottom: 16px;
}
.contact-intro-title {
    font-size: 1.3rem; font-weight: 700; color: var(--text-primary);
    margin-bottom: 8px;
}
.contact-intro-desc {
    font-size: 0.95rem; color: var(--text-secondary);
    line-height: 1.6;
    max-width: 520px; margin: 0 auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 520px;
    margin: 0 auto;
}
.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}
.contact-card:hover { border-color: var(--border-active); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.contact-card-icon {
    width: 42px; height: 42px;
    border-radius: 12px;
    background: var(--accent-subtle);
    display: flex; align-items: center; justify-content: center;
    color: var(--accent); font-size: 1rem;
    margin: 0 auto 14px;
}
.contact-card h4 { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.contact-card p { font-size: 0.8125rem; color: var(--text-secondary); }
.contact-card img { width: 130px; height: 130px; border-radius: var(--radius-sm); border: 1px solid var(--border); margin: 12px auto 0; }


@media (max-width: 480px) { .contact-grid { grid-template-columns: 1fr; } }

/* Footer */
.footer {
    background: #F0F2F6;
    border-top: 1px solid var(--border);
    padding: 60px 0 36px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand-icon {
    width: 28px; height: 28px;
    background: var(--accent); border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 0.75rem;
    box-shadow: 0 0 16px rgba(75,123,255,0.15);
}
.footer-brand span { font-weight: 700; font-size: 1rem; color: var(--text-primary); }
.footer .desc { font-size: 0.8125rem; color: var(--text-secondary); max-width: 320px; line-height: 1.7; }
.footer .social { display: flex; gap: 14px; margin-top: 20px; }
.footer .social a {
    width: 36px; height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.9rem; color: var(--text-secondary);
    transition: var(--transition);
}
.footer .social a:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-subtle); }
.footer h4 {
    font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.08em; color: var(--text-primary);
    margin-bottom: 18px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-links a { font-size: 0.8125rem; color: var(--text-secondary); transition: color 0.25s; }
.footer-links a:hover { color: var(--text-secondary); }
.footer-bottom {
    border-top: 1px solid var(--border);
    margin-top: 44px; padding-top: 24px;
    text-align: center; font-size: 0.75rem; color: var(--text-secondary);
}
.footer-bottom a { color: inherit; }
.footer-bottom a:hover { color: var(--text-secondary); }

@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }