/* ============================================
   v8 - Miku Network - Pro Tech Design
   ============================================ */

/* ---- CSS Variables ---- */
:root {
    --bg-base: #050810;
    --bg-surface: #0a0e1a;
    --bg-card: #0f1420;
    --bg-card-hover: #141926;

    --border: rgba(255,255,255,0.07);
    --border-accent: rgba(96, 165, 250, 0.3);

    --text-primary: #f0f4ff;
    --text-secondary: #8892a4;
    --text-muted: #4a5568;

    --accent: #60a5fa;
    --accent-glow: rgba(96, 165, 250, 0.15);
    --accent-2: #34d399;
    --accent-2-glow: rgba(52, 211, 153, 0.12);

    --gradient-main: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(96,165,250,0.12) 0%, rgba(167,139,250,0.08) 100%);

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Space Grotesk', 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --nav-h: 72px;
    --container: 1200px;

    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Light Mode Overrides ---- */
[data-theme="light"] {
    --bg-base: #f7f9fc;
    --bg-surface: #eef1f7;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f4fb;

    --border: rgba(0,0,0,0.08);
    --border-accent: rgba(59, 130, 246, 0.35);

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --accent: #2563eb;
    --accent-glow: rgba(37, 99, 235, 0.1);
    --accent-2: #059669;
    --accent-2-glow: rgba(5, 150, 105, 0.1);

    --gradient-main: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(37,99,235,0.1) 0%, rgba(124,58,237,0.07) 100%);
}

[data-theme="light"] .navbar {
    background: rgba(247, 249, 252, 0.88);
}
[data-theme="light"] .navbar.scrolled {
    background: rgba(247, 249, 252, 0.97);
}
[data-theme="light"] .footer {
    background: var(--bg-surface);
}
[data-theme="light"] #hero-canvas {
    opacity: 0.18;
}
[data-theme="light"] .hero-grid-overlay {
    background-image:
        linear-gradient(rgba(37,99,235,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,0.06) 1px, transparent 1px);
}
[data-theme="light"] .network-map {
    filter: drop-shadow(0 0 20px rgba(37, 99, 235, 0.15));
}
[data-theme="light"] .adv-icon img,
[data-theme="light"] .stat-icon img {
    filter: brightness(0) saturate(100%) invert(30%) sepia(90%) saturate(1200%) hue-rotate(210deg);
}
[data-theme="light"] .ticker-item img {
    filter: brightness(0) invert(0);
    opacity: 0.3;
}
[data-theme="light"] .ticker-item:hover img {
    opacity: 0.65;
}
[data-theme="light"] .t-out,
[data-theme="light"] .t-sep { color: #94a3b8; }
[data-theme="light"] .t-cmd { color: var(--text-primary); }
[data-theme="light"] .terminal-body { background: #f8fafc; }
[data-theme="light"] .service-terminal { background: #ffffff; }
[data-theme="light"] .terminal-header { background: var(--bg-surface); }

/* ---- Theme Toggle Button ---- */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    flex-shrink: 0;
    margin-left: 8px;
}
.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}
.theme-toggle svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition);
}
.theme-toggle:hover svg {
    transform: rotate(20deg);
}
/* Show/hide icons by theme */
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* ---- SPLASH / INTRO SCREEN ---- */
.splash {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #050810;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    /* Fade out at the end */
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.splash.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.splash-logo {
    width: 90px;
    height: auto;
    opacity: 0;
    transform: scale(0.7);
    transition: opacity 0.6s cubic-bezier(0.34, 1.56, 0.64, 1),
                transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.splash-logo.show {
    opacity: 1;
    transform: scale(1);
}

.splash-name {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.55s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.45s ease,
                margin-top 0.45s ease;
    margin-top: 0;
}

.splash-name.show {
    max-height: 80px;
    opacity: 1;
    margin-top: 20px;
}

.splash-name-text {
    font-family: var(--font-heading);
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: #f0f4ff;
    white-space: nowrap;
}

.splash-name-text span {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.splash-tagline {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    color: rgba(96,165,250,0.6);
    text-transform: uppercase;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.4s ease 0.15s,
                opacity 0.4s ease 0.15s,
                margin-top 0.4s ease 0.15s;
    margin-top: 0;
}

.splash-tagline.show {
    max-height: 30px;
    opacity: 1;
    margin-top: 8px;
}

[data-theme="light"] .splash {
    background: #f7f9fc;
}
[data-theme="light"] .splash-name-text {
    color: #0f172a;
}
[data-theme="light"] .splash-tagline {
    color: rgba(37, 99, 235, 0.55);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

/* ---- Canvas Background ---- */
#hero-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.5;
}

/* ---- Container ---- */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

/* ---- NAVBAR ---- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-h);
    background: rgba(5, 8, 16, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition), border-color var(--transition);
}

.navbar.scrolled {
    background: rgba(5, 8, 16, 0.95);
    border-bottom-color: var(--border-accent);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text-primary);
    transition: opacity var(--transition);
}

.logo:hover {
    opacity: 0.85;
}

.logo-icon img {
    height: 34px;
    width: auto;
}

.logo-accent {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0;
}

.nav-item {
    padding: 8px 14px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
    letter-spacing: 0.01em;
}

.nav-item:hover {
    color: var(--text-primary);
}

.nav-divider {
    width: 1px;
    height: 20px;
    background: var(--border);
    margin: 0 12px;
}

.btn-nav {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    background: var(--gradient-main);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: opacity var(--transition), transform var(--transition);
    letter-spacing: 0.01em;
}

.btn-nav:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 16px;
}

.lang-btn {
    background: none;
    border: none;
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    transition: color var(--transition), background var(--transition);
}

.lang-btn:hover, .lang-btn.active {
    color: var(--accent);
    background: var(--accent-glow);
}

.lang-sep {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
}

.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---- HERO ---- */
.hero {
    min-height: 100vh;
    padding-top: var(--nav-h);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(96,165,250,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(96,165,250,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 40%, transparent 100%);
    pointer-events: none;
    z-index: 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    padding-top: 80px;
    padding-bottom: 80px;
    z-index: 1;
}

.hero-content {
    max-width: 580px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 7px 14px;
    border: 1px solid var(--border-accent);
    border-radius: 100px;
    margin-bottom: 2rem;
    background: rgba(96, 165, 250, 0.06);
}

.tag-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-2);
    box-shadow: 0 0 8px var(--accent-2);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--accent-2); }
    50% { opacity: 0.6; box-shadow: 0 0 16px var(--accent-2); }
}

.tag-mono {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(2.8rem, 5.5vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero-gradient {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--gradient-main);
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    border: none;
    cursor: pointer;
    letter-spacing: 0.01em;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.1);
    opacity: 0;
    transition: opacity var(--transition);
}

.btn-primary:hover::before { opacity: 1; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(96, 165, 250, 0.3); }

.btn-primary svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition);
}

.btn-primary:hover svg { transform: translateX(3px); }

.btn-ghost {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.hero-metrics {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 20px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    width: fit-content;
}

.metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 24px;
}

.metric:first-child { padding-left: 0; }
.metric:last-child { padding-right: 0; }

.metric-val {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 4px;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    white-space: nowrap;
}

.metric-sep {
    width: 1px;
    height: 40px;
    background: var(--border);
    flex-shrink: 0;
}

/* Network Card */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.network-card {
    width: 100%;
    max-width: 480px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(96, 165, 250, 0.08);
    animation: hero-float 6s ease-in-out infinite;
}

@keyframes hero-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.network-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface);
}

.card-dots {
    display: flex;
    gap: 6px;
}

.card-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-muted);
    opacity: 0.5;
}

.card-dots span:nth-child(1) { background: #ff5f57; opacity: 1; }
.card-dots span:nth-child(2) { background: #ffbd2e; opacity: 1; }
.card-dots span:nth-child(3) { background: #28c840; opacity: 1; }

.card-title-mono {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.04em;
}

.network-viz {
    padding: 24px;
    background: linear-gradient(135deg, rgba(96,165,250,0.04), transparent);
}

.network-map {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(96, 165, 250, 0.2));
}

.network-stats {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0 18px 18px;
}

.ns-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.83rem;
}

.ns-item:last-child { border-bottom: none; }

.ns-key {
    font-family: var(--font-mono);
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

.ns-val {
    font-family: var(--font-mono);
    font-weight: 500;
    color: var(--text-secondary);
}

.ns-green { color: var(--accent-2); }

/* Hero Scroll */
.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 2;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scroll-anim 2s ease-in-out infinite;
}

@keyframes scroll-anim {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    50.001% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

.hero-scroll span {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    color: var(--text-muted);
}

/* ---- UPSTREAMS / TICKER ---- */
.upstreams {
    padding: 32px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface);
    display: flex;
    align-items: center;
    gap: 32px;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.upstreams-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    white-space: nowrap;
    padding: 0 32px;
    flex-shrink: 0;
    border-right: 1px solid var(--border);
}

.ticker-wrap {
    overflow: hidden;
    flex: 1;
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.ticker-track {
    display: flex;
    gap: 48px;
    align-items: center;
    animation: ticker-scroll 20s linear infinite;
    width: max-content;
}

@keyframes ticker-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.ticker-item {
    flex-shrink: 0;
}

.ticker-item img {
    height: 32px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.35;
    transition: opacity var(--transition);
}

.ticker-item:hover img {
    opacity: 0.75;
}

/* ---- SECTIONS ---- */
.section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.dark-section {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-label::before {
    content: '';
    display: block;
    width: 24px;
    height: 1px;
    background: var(--accent);
    flex-shrink: 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.section-title.center {
    text-align: center;
}

.section-sub {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 600px;
}

.section-sub.center {
    text-align: center;
    margin: 0 auto;
}

/* ---- ABOUT SECTION ---- */
.section-grid {
    display: grid;
    gap: 5rem;
    align-items: start;
}

.two-col { grid-template-columns: 1fr 1fr; }
.reverse { direction: rtl; }
.reverse > * { direction: ltr; }

.section-text-block p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 2rem;
}

.as-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 10px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-sm);
}

.as-mono {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
}

.as-sep {
    color: var(--border);
}

.as-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Feature Cards */
.cards-col {
    display: flex;
    flex-direction: column;
    gap: 1px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.feature-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    transition: background var(--transition);
    cursor: default;
}

.feature-card + .feature-card {
    border-top: 1px solid var(--border);
}

.feature-card:hover {
    background: var(--bg-card-hover);
}

.fc-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--gradient-subtle);
    border: 1px solid var(--border-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--accent);
}

.fc-icon svg {
    width: 20px;
    height: 20px;
}

.fc-text h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.fc-text p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ---- SERVICES SECTION ---- */
.service-details {
    max-width: 520px;
}

.service-details p {
    font-size: 1.02rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 1.5rem;
}

.isp-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 2rem;
}

.isp-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    padding: 4px 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-secondary);
    background: var(--bg-card);
    transition: all var(--transition);
}

.isp-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.check-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 2.5rem;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.check-list svg {
    width: 18px;
    height: 18px;
    color: var(--accent-2);
    flex-shrink: 0;
}

/* Terminal */
.service-card-wrap {
    position: relative;
}

.service-terminal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
}

.terminal-body {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.8;
}

.t-line {
    display: flex;
    gap: 8px;
    align-items: baseline;
}

.t-prompt {
    color: var(--accent-2);
    flex-shrink: 0;
    font-weight: 600;
}

.t-cmd { color: var(--text-primary); }
.t-out { color: var(--text-muted); margin-left: 16px; }
.t-green { color: var(--accent-2); }
.t-cyan { color: var(--accent); }
.t-sep { color: var(--text-muted); margin-left: 16px; }

.t-blink {
    color: var(--accent);
    animation: blink 1.1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.t-cursor {
    margin-top: 4px;
}

/* Floating stats */
.service-floats {
    position: absolute;
    display: flex;
    flex-direction: column;
    gap: 12px;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
}

.sfloat {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    min-width: 110px;
}

.sfloat-1 { animation: hero-float 5s ease-in-out infinite; }
.sfloat-2 { animation: hero-float 5s ease-in-out 2.5s infinite; }

.sfloat-num {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sfloat-lbl {
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

/* ---- ADVANTAGES ---- */
.adv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    margin-top: 4rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--border);
}

.adv-card {
    background: var(--bg-card);
    padding: 32px 28px;
    position: relative;
    transition: background var(--transition);
    cursor: default;
}

.adv-card:hover {
    background: var(--bg-card-hover);
}

.adv-num {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.adv-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    background: var(--gradient-subtle);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-sm);
}

.adv-icon img {
    width: 24px;
    height: 24px;
    filter: brightness(0) saturate(100%) invert(65%) sepia(50%) saturate(800%) hue-rotate(196deg);
}

.adv-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.adv-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* Hover line effect */
.adv-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.adv-card:hover::after {
    transform: scaleX(1);
}

/* ---- STATS ---- */
.stats-row {
    display: flex;
    align-items: center;
    margin-top: 4rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.stat-block {
    flex: 1;
    padding: 40px 32px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    background: var(--bg-card);
    transition: background var(--transition);
}

.stat-block:hover {
    background: var(--bg-card-hover);
}

.stat-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-subtle);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-sm);
}

.stat-icon img {
    width: 20px;
    height: 20px;
    filter: brightness(0) saturate(100%) invert(65%) sepia(50%) saturate(800%) hue-rotate(196deg);
}

.stat-figure {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    line-height: 1;
}

.stat-unit {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
}

.stat-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 80px;
    background: var(--border);
    flex-shrink: 0;
}

/* ---- CONTACT ---- */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    text-decoration: none;
    color: inherit;
}

.contact-card:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(96, 165, 250, 0.1);
}

.cc-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--gradient-subtle);
    border: 1px solid var(--border-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--accent);
}

.cc-icon svg {
    width: 22px;
    height: 22px;
}

.cc-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.cc-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.09em;
    font-family: var(--font-mono);
}

.cc-value {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

.cc-arrow {
    color: var(--text-muted);
    transition: all var(--transition);
}

.cc-arrow svg {
    width: 18px;
    height: 18px;
}

.contact-card:hover .cc-arrow {
    color: var(--accent);
    transform: translateX(4px);
}

/* ---- FOOTER ---- */
.footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    padding: 64px 0 32px;
    position: relative;
    z-index: 1;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--border);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
}

.footer-logo img {
    height: 30px;
    width: auto;
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    max-width: 280px;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    transition: all var(--transition);
}

.footer-social a:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

.footer-nav-group h5 {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.25rem;
    font-family: var(--font-mono);
}

.footer-nav-group ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-nav-group ul li a {
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: color var(--transition);
}

.footer-nav-group ul li a:hover {
    color: var(--accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom span:first-child {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.footer-as {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    padding: 5px 12px;
    border: 1px solid var(--border-accent);
    border-radius: 100px;
    color: var(--accent);
    background: var(--accent-glow);
    letter-spacing: 0.06em;
}

/* ---- BACK TO TOP ---- */
.back-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    opacity: 0;
    transform: translateY(12px);
    visibility: hidden;
    transition: all var(--transition);
    z-index: 999;
}

.back-top.visible {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

.back-top:hover {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
}

.back-top svg {
    width: 18px;
    height: 18px;
}

/* ---- SCROLL ANIMATIONS ---- */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-visual {
        display: none;
    }

    .two-col {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .reverse { direction: ltr; }

    .adv-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .service-floats {
        display: none;
    }

    .stats-row {
        flex-wrap: wrap;
    }

    .stat-divider {
        display: none;
    }

    .stat-block {
        flex: 1 1 calc(50% - 1px);
    }
}

@media (max-width: 768px) {
    :root {
        --nav-h: 64px;
    }

    .hamburger { display: flex; }

    .nav-links {
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(5, 8, 16, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem 24px;
        gap: 4px;
        transform: translateX(100%);
        transition: transform var(--transition-slow);
        border-top: 1px solid var(--border);
        overflow-y: auto;
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .nav-item {
        width: 100%;
        padding: 14px 0;
        font-size: 1.1rem;
        border-bottom: 1px solid var(--border);
    }

    .nav-divider { display: none; }

    .btn-nav {
        margin-top: 8px;
        padding: 14px 0;
        background: none;
        font-size: 1.1rem;
        color: var(--accent);
    }

    .lang-switch {
        margin-left: 0;
        margin-top: 8px;
    }

    .lang-btn {
        font-size: 1rem;
        padding: 8px 12px;
    }

    .section { padding: 64px 0; }

    .hero .container {
        padding-top: 40px;
        padding-bottom: 60px;
    }

    .hero-title {
        font-size: 2.6rem;
    }

    .hero-metrics {
        flex-wrap: wrap;
        width: 100%;
    }

    .metric {
        flex: 1;
        min-width: 80px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .btn-primary, .btn-ghost {
        width: 100%;
        justify-content: center;
    }

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

    .contact-cards {
        grid-template-columns: 1fr;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .stats-row {
        flex-direction: column;
    }

    .stat-block {
        flex: none;
        width: 100%;
    }

    .stat-divider {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.2rem; }
    .section-title { font-size: 1.9rem; }
    .upstreams { flex-direction: column; gap: 16px; align-items: flex-start; padding: 24px; }
    .upstreams-label { border-right: none; border-bottom: 1px solid var(--border); padding: 0 0 16px 0; width: 100%; }
    .ticker-wrap { width: 100%; }
}