/* ============================================================
   isHost — Main Stylesheet
   Stack: Pure CSS3, Mobile-First, CSS Custom Properties
   ============================================================ */

/* -------- CSS Variables -------- */
:root {
    --color-bg: #0a0e1a;
    --color-bg-2: #0f1629;
    --color-bg-card: #131929;
    --color-bg-card-hover: #1a2240;
    --color-border: rgba(255, 255, 255, 0.07);
    --color-border-light: rgba(255, 255, 255, 0.12);

    --color-primary: #4f6ef7;
    --color-primary-light: #667af8;
    --color-primary-dark: #3a56e8;
    --color-primary-glow: rgba(79, 110, 247, 0.3);

    --color-accent: #00e5b0;
    --color-accent-glow: rgba(0, 229, 176, 0.2);

    --color-text: #e8ecf4;
    --color-text-muted: #7c8aad;
    --color-text-subtle: #4a5568;

    --color-white: #ffffff;

    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--color-primary-glow);

    --transition: 0.25s ease;
    --transition-slow: 0.4s ease;

    --container-width: 1200px;
    --container-padding: 20px;

    --header-height: 70px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

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

.highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* -------- Buttons -------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-size: 15px;
    font-weight: 600;
    transition: all var(--transition);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.08);
    opacity: 0;
    transition: opacity var(--transition);
}
.btn:hover::before { opacity: 1; }

.btn-lg { padding: 16px 32px; font-size: 16px; }

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    box-shadow: 0 4px 20px var(--color-primary-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--color-primary-glow);
    color: var(--color-white);
}

.btn-ghost {
    background: rgba(255,255,255,0.06);
    color: var(--color-text);
    border: 1px solid var(--color-border-light);
}
.btn-ghost:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1.5px solid var(--color-border-light);
}
.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-glow);
}

/* -------- Section Headers -------- */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--color-primary-glow);
    color: var(--color-primary-light);
    border: 1px solid rgba(79, 110, 247, 0.3);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--color-white);
}

.section-subtitle {
    font-size: 17px;
    color: var(--color-text-muted);
    max-width: 560px;
    margin: 0 auto;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    transition: background var(--transition-slow), box-shadow var(--transition-slow);
}

.header.scrolled {
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--color-border);
}

.nav {
    display: flex;
    align-items: center;
    height: var(--header-height);
    gap: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 22px;
    color: var(--color-white);
    flex-shrink: 0;
}
.logo-icon { font-size: 22px; }
.logo-text { letter-spacing: -0.02em; }
.logo-text strong { color: var(--color-accent); font-weight: 800; }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}

.nav-link {
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: all var(--transition);
}
.nav-link:hover {
    color: var(--color-white);
    background: rgba(255,255,255,0.06);
}

.nav-cta {
    background: var(--color-primary);
    color: var(--color-white) !important;
    font-weight: 600;
    margin-left: 8px;
    padding: 8px 20px;
}
.nav-cta:hover {
    background: var(--color-primary-light);
    color: var(--color-white);
}

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    margin-left: auto;
}
.burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition);
}
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--header-height) + 60px) 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 60% at 70% 30%, rgba(79, 110, 247, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 20% 70%, rgba(0, 229, 176, 0.06) 0%, transparent 60%),
        linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-2) 100%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: float-particle linear infinite;
    opacity: 0;
}

@keyframes float-particle {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(0, 229, 176, 0.08);
    border: 1px solid rgba(0, 229, 176, 0.2);
    border-radius: var(--radius-full);
    font-size: 13px;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: 24px;
}
.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.4); }
}

.hero-title {
    font-size: clamp(36px, 5vw, 58px);
    font-weight: 900;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 0;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 0 28px;
}
.stat-item:first-child { padding-left: 0; }

.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-white);
    line-height: 1;
}
.stat-unit {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary-light);
}
.stat-label {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border-light);
    flex-shrink: 0;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card-group {
    position: relative;
    width: 100%;
    max-width: 420px;
}

.terminal-window {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    position: relative;
    z-index: 1;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--color-border);
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.terminal-title {
    margin-left: 4px;
    font-size: 12px;
    color: var(--color-text-muted);
    font-family: monospace;
}

.terminal-body {
    padding: 20px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.8;
}

.terminal-line { color: var(--color-text-muted); }
.t-ok { color: var(--color-success); }
.t-prompt { color: var(--color-accent); margin-right: 8px; font-weight: bold; }
.t-cmd { color: var(--color-primary-light); }
.t-cursor {
    animation: blink 1s step-end infinite;
    color: var(--color-accent);
}
@keyframes blink {
    50% { opacity: 0; }
}

.floating-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 18px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    position: absolute;
    z-index: 2;
    min-width: 200px;
    animation: float-card 4s ease-in-out infinite;
}

.card-uptime {
    top: -30px;
    right: -30px;
    animation-delay: 0s;
}
.card-speed {
    bottom: -24px;
    left: -20px;
    animation-delay: 2s;
}

@keyframes float-card {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.card-icon { font-size: 22px; }
.card-info { display: flex; flex-direction: column; }
.card-title { font-size: 11px; color: var(--color-text-muted); }
.card-value { font-size: 13px; font-weight: 600; color: var(--color-white); }

/* ============================================================
   SERVICES
   ============================================================ */
.services {
    padding: 100px 0;
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border-light), transparent);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 36px;
    position: relative;
    transition: all var(--transition-slow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    opacity: 0;
    transition: opacity var(--transition);
}

.service-card--hosting::before { background: linear-gradient(90deg, #4f6ef7, #00e5b0); }
.service-card--support::before { background: linear-gradient(90deg, #a855f7, #4f6ef7); }
.service-card--arm::before { background: linear-gradient(90deg, #f59e0b, #ef4444); }

.service-card:hover {
    border-color: var(--color-border-light);
    background: var(--color-bg-card-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.service-card:hover::before { opacity: 1; }

.service-card--featured {
    border-color: rgba(79, 110, 247, 0.4);
    background: linear-gradient(145deg, #131929, #1a2240);
}

.service-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    font-size: 11px;
    font-weight: 700;
    border-radius: var(--radius-full);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.service-icon-wrap {
    margin-bottom: 24px;
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: var(--color-primary-glow);
    border: 1px solid rgba(79, 110, 247, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-light);
    transition: all var(--transition);
}
.service-card--arm .service-icon {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    color: #f59e0b;
}
.service-card--support .service-icon {
    background: rgba(168, 85, 247, 0.1);
    border-color: rgba(168, 85, 247, 0.3);
    color: #a855f7;
}
.service-card:hover .service-icon {
    transform: scale(1.05);
}

.service-number {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-text-subtle);
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.service-title {
    font-size: 21px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 14px;
    line-height: 1.3;
}

.service-desc {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 24px;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.service-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: var(--color-text-muted);
}

.feature-check {
    color: var(--color-success);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}

.service-footer {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.service-message {
    font-size: 13px;
    font-style: italic;
    color: var(--color-text-muted);
}

/* ============================================================
   ADVANTAGES
   ============================================================ */
.advantages {
    padding: 100px 0;
    background: var(--color-bg-2);
    position: relative;
}

.advantages::before, .advantages::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border-light), transparent);
}
.advantages::before { top: 0; }
.advantages::after { bottom: 0; }

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.advantage-item {
    padding: 32px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-slow);
}

.advantage-item:hover {
    border-color: var(--color-primary-glow);
    background: var(--color-bg-card-hover);
    transform: translateY(-4px);
}

.advantage-icon {
    font-size: 36px;
    margin-bottom: 16px;
    display: block;
}

.advantage-item h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 10px;
}

.advantage-item p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ============================================================
   CASES
   ============================================================ */
.cases {
    padding: 100px 0;
}

.cases-filters {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    transition: all var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.case-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-slow);
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    border-color: var(--color-border-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.case-card.hidden { display: none; }

/* Case Mockups */
.case-image {
    padding: 24px;
    background: var(--color-bg-2);
    position: relative;
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-image--arm { background: linear-gradient(135deg, #0f1629, #1a1040); }
.case-image--support { background: linear-gradient(135deg, #0f1629, #0f2810); }
.case-image--hosting { background: linear-gradient(135deg, #0f1629, #10203a); }
.case-image--arm2 { background: linear-gradient(135deg, #1a1010, #0f1629); }

.case-mockup {
    width: 100%;
    max-width: 360px;
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
    font-size: 11px;
    box-shadow: var(--shadow-md);
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(255,255,255,0.04);
    border-bottom: 1px solid var(--color-border);
}
.mockup-dots {
    display: flex;
    gap: 4px;
}
.mockup-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}
.mockup-dots span:nth-child(1) { background: #ff5f57; }
.mockup-dots span:nth-child(2) { background: #febc2e; }
.mockup-dots span:nth-child(3) { background: #28c840; }
.mockup-title { color: var(--color-text-muted); font-size: 11px; }

.mockup-body {
    display: flex;
    min-height: 120px;
}

.mockup-sidebar {
    width: 80px;
    padding: 8px 0;
    border-right: 1px solid var(--color-border);
    background: rgba(0,0,0,0.2);
}
.ms-item {
    padding: 6px 8px;
    font-size: 10px;
    color: var(--color-text-muted);
    cursor: default;
}
.ms-item.active {
    background: var(--color-primary-glow);
    color: var(--color-primary-light);
}

.mockup-content {
    flex: 1;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mc-row {
    display: flex;
    gap: 8px;
}
.mc-card {
    flex: 1;
    background: rgba(255,255,255,0.04);
    border-radius: 6px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}
.mc-card--green { background: rgba(34, 197, 94, 0.1); }
.mc-num { font-size: 14px; font-weight: 700; color: var(--color-white); }
.mc-label { font-size: 9px; color: var(--color-text-muted); }

.mc-bar-chart {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 40px;
}
.mc-bar {
    flex: 1;
    background: rgba(79, 110, 247, 0.4);
    border-radius: 2px;
    transition: height 1s ease;
}
.mc-bar--active { background: var(--color-primary); }

/* Shop mockup */
.mockup-body--shop { flex-direction: column; padding: 10px; gap: 8px; }
.shop-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}
.shop-logo { font-size: 12px; font-weight: 600; color: var(--color-white); }
.shop-nav { display: flex; gap: 8px; font-size: 9px; color: var(--color-text-muted); }
.shop-cart { color: var(--color-primary-light); }
.shop-products { display: flex; flex-direction: column; gap: 6px; }
.shop-product {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px;
    background: rgba(255,255,255,0.03);
    border-radius: 6px;
}
.sp-img { font-size: 18px; }
.sp-name { font-size: 10px; color: var(--color-text); }
.sp-price { font-size: 11px; font-weight: 600; color: var(--color-accent); }
.shop-speed {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 9px;
    color: var(--color-text-muted);
    padding-top: 6px;
    border-top: 1px solid var(--color-border);
}
.speed-bar { flex: 1; height: 4px; background: rgba(255,255,255,0.1); border-radius: 2px; }
.speed-fill { height: 100%; background: var(--color-success); border-radius: 2px; }

/* Server mockup */
.mockup-body--server { flex-direction: column; padding: 10px; gap: 6px; }
.server-stats { display: flex; flex-direction: column; gap: 6px; }
.ss-item { display: flex; align-items: center; gap: 8px; font-size: 9px; }
.ss-label { width: 28px; color: var(--color-text-muted); }
.ss-bar { flex: 1; height: 6px; background: rgba(255,255,255,0.1); border-radius: 3px; }
.ss-fill { height: 100%; background: var(--color-primary); border-radius: 3px; }
.ss-fill--yellow { background: var(--color-warning); }
.ss-val { width: 28px; text-align: right; color: var(--color-text-muted); }
.server-uptime {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-top: 6px;
    border-top: 1px solid var(--color-border);
    font-size: 9px;
    color: var(--color-text-muted);
}

/* CRM mockup */
.mockup-body--crm { padding: 10px; }
.crm-pipeline { display: flex; gap: 6px; width: 100%; }
.crm-col { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.crm-col-title {
    font-size: 9px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 4px;
}
.crm-card {
    padding: 5px 8px;
    background: rgba(255,255,255,0.04);
    border-radius: 4px;
    font-size: 9px;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}
.crm-card--active {
    background: var(--color-primary-glow);
    border-color: rgba(79, 110, 247, 0.4);
    color: var(--color-primary-light);
}
.crm-card--done {
    background: rgba(34, 197, 94, 0.08);
    border-color: rgba(34, 197, 94, 0.2);
    color: var(--color-success);
}

/* Case Content */
.case-content {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.case-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}
.case-tag {
    padding: 3px 10px;
    background: var(--color-primary-glow);
    color: var(--color-primary-light);
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    border: 1px solid rgba(79, 110, 247, 0.2);
}

.case-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 10px;
    line-height: 1.3;
}

.case-desc {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.7;
    flex: 1;
    margin-bottom: 20px;
}

.case-results {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.case-result {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.result-num {
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.result-label {
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* Reviews */
.reviews-section {}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.review-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all var(--transition-slow);
}
.review-card:hover {
    border-color: var(--color-border-light);
    transform: translateY(-4px);
}

.review-stars {
    color: #f59e0b;
    font-size: 16px;
    margin-bottom: 14px;
    letter-spacing: 2px;
}

.review-text {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}
.review-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-primary-glow);
    border: 1px solid rgba(79, 110, 247, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: var(--color-primary-light);
    flex-shrink: 0;
}
.review-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-white);
}
.review-role {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq {
    padding: 100px 0;
    background: var(--color-bg-2);
    position: relative;
}
.faq::before, .faq::after {
    content: '';
    position: absolute;
    left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border-light), transparent);
}
.faq::before { top: 0; }
.faq::after { bottom: 0; }

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition);
}
.faq-item:hover { border-color: var(--color-border-light); }
.faq-item.open { border-color: rgba(79, 110, 247, 0.4); }

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-white);
    text-align: left;
    gap: 12px;
    transition: background var(--transition);
}
.faq-question:hover { background: rgba(255,255,255,0.03); }

.faq-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-primary-glow);
    border: 1px solid rgba(79, 110, 247, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--color-primary-light);
    flex-shrink: 0;
    transition: all var(--transition);
    line-height: 1;
    font-weight: 300;
}
.faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: var(--color-primary);
    color: var(--color-white);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}
.faq-answer p {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.7;
    border-top: 1px solid var(--color-border);
    padding-top: 16px;
}
.faq-item.open .faq-answer { max-height: 300px; }

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
    padding: 80px 0;
}

.cta-box {
    background: linear-gradient(135deg, var(--color-bg-card), #1a2240);
    border: 1px solid rgba(79, 110, 247, 0.3);
    border-radius: var(--radius-xl);
    padding: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(79, 110, 247, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content h2 {
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 12px;
}

.cta-content p {
    font-size: 16px;
    color: var(--color-text-muted);
    max-width: 480px;
    line-height: 1.6;
}

.cta-actions {
    display: flex;
    gap: 16px;
    flex-shrink: 0;
    flex-wrap: wrap;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--color-bg-2);
    border-top: 1px solid var(--color-border);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 60px;
}

.footer-tagline {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-top: 14px;
    margin-bottom: 24px;
    line-height: 1.6;
    max-width: 240px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.social-link {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: all var(--transition);
}
.social-link:hover {
    background: var(--color-primary-glow);
    border-color: rgba(79, 110, 247, 0.4);
    color: var(--color-primary-light);
    transform: translateY(-2px);
}

.footer-nav-group h4 {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}

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

.footer-nav-group a {
    font-size: 14px;
    color: var(--color-text-muted);
    transition: color var(--transition);
}
.footer-nav-group a:hover { color: var(--color-text); }

.footer-contacts h4 {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 14px;
    color: var(--color-text-muted);
}

.contact-item svg { flex-shrink: 0; margin-top: 2px; color: var(--color-primary-light); }

.contact-item a {
    color: var(--color-text);
    font-weight: 500;
    transition: color var(--transition);
}
.contact-item a:hover { color: var(--color-primary-light); }

.contact-messengers {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.messenger-btn {
    flex: 1;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    border: 1px solid transparent;
    transition: all var(--transition);
}
.messenger-btn--tg {
    background: rgba(41, 182, 246, 0.1);
    color: #29b6f6;
    border-color: rgba(41, 182, 246, 0.2);
}
.messenger-btn--tg:hover {
    background: rgba(41, 182, 246, 0.2);
    color: #29b6f6;
}
.messenger-btn--wa {
    background: rgba(37, 211, 102, 0.1);
    color: #25d366;
    border-color: rgba(37, 211, 102, 0.2);
}
.messenger-btn--wa:hover {
    background: rgba(37, 211, 102, 0.2);
    color: #25d366;
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-copy {
    font-size: 13px;
    color: var(--color-text-muted);
}

.footer-legal {
    font-size: 12px;
    color: var(--color-text-subtle);
}

/* ============================================================
   SCROLL TO TOP
   ============================================================ */
.scroll-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px var(--color-primary-glow);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition);
    pointer-events: none;
    z-index: 999;
}
.scroll-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.scroll-top:hover {
    background: var(--color-primary-light);
    transform: translateY(-3px);
}

/* ============================================================
   AOS (Animate on Scroll) — Simple CSS fallback
   ============================================================ */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}
[data-aos-delay="50"] { transition-delay: 50ms; }
[data-aos-delay="100"] { transition-delay: 100ms; }
[data-aos-delay="150"] { transition-delay: 150ms; }
[data-aos-delay="200"] { transition-delay: 200ms; }
[data-aos-delay="250"] { transition-delay: 250ms; }
[data-aos-delay="300"] { transition-delay: 300ms; }
[data-aos-delay="350"] { transition-delay: 350ms; }
[data-aos-delay="400"] { transition-delay: 400ms; }
[data-aos-delay="500"] { transition-delay: 500ms; }

/* ============================================================
   RESPONSIVE — Tablet (max 1024px)
   ============================================================ */
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .cases-grid { grid-template-columns: 1fr; }
    .reviews-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .faq-grid { grid-template-columns: 1fr; }
    .hero .container { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .hero-content { max-width: 680px; }
    .cta-box { flex-direction: column; text-align: center; padding: 40px; }
    .cta-content p { margin: 0 auto; }
}

/* ============================================================
   RESPONSIVE — Mobile (max 768px)
   ============================================================ */
@media (max-width: 768px) {
    :root {
        --container-padding: 16px;
        --header-height: 60px;
    }

    .nav-menu {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(10, 14, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px 16px;
        gap: 4px;
        border-bottom: 1px solid var(--color-border);
    }
    .nav-menu.open { display: flex; }
    .nav-link { padding: 12px 16px; font-size: 16px; width: 100%; }
    .nav-cta { margin: 8px 0 0; width: 100%; justify-content: center; }
    .burger { display: flex; }

    .hero { padding: calc(var(--header-height) + 40px) 0 60px; }
    .hero-title { font-size: 32px; }
    .hero-subtitle { font-size: 16px; }
    .hero-actions { gap: 12px; }
    .hero-actions .btn-ghost { display: none; }
    .hero-stats { gap: 0; }
    .stat-item { padding: 0 16px; }
    .stat-item:first-child { padding-left: 0; }
    .stat-number { font-size: 24px; }
    .stat-unit { font-size: 18px; }

    .section-title { font-size: 26px; }
    .section-subtitle { font-size: 15px; }

    .services { padding: 60px 0; }
    .advantages { padding: 60px 0; }
    .advantages-grid { grid-template-columns: 1fr; gap: 16px; }
    .cases { padding: 60px 0; }
    .faq { padding: 60px 0; }

    .service-card { padding: 24px; }

    .cta-actions { flex-direction: column; width: 100%; }
    .cta-actions .btn { width: 100%; justify-content: center; }

    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; text-align: center; }

    .scroll-top { bottom: 20px; right: 16px; }
}

@media (max-width: 480px) {
    .hero-stats { flex-direction: column; align-items: flex-start; gap: 16px; }
    .stat-divider { width: 40px; height: 1px; }
    .stat-item { padding: 0; }
    .cases-filters { gap: 6px; }
    .filter-btn { padding: 6px 14px; font-size: 13px; }
}