/* =========================================================
   Ai-de Enterprise Orchestrator - Ultra-Premium Landing CSS
   Design System: Obsidian Dark, Glassmorphism, Electric Accents
   ========================================================= */

:root {
    --bg-base: #060912;
    --bg-surface: rgba(13, 18, 34, 0.94);
    --bg-surface-elevated: rgba(20, 27, 48, 0.96);
    --bg-card: rgba(16, 22, 40, 0.92);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(99, 102, 241, 0.35);
    --border-accent: rgba(6, 182, 212, 0.4);

    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.25);
    --cyan: #06b6d4;
    --cyan-glow: rgba(6, 182, 212, 0.25);
    --emerald: #10b981;
    --emerald-glow: rgba(16, 185, 129, 0.2);
    --amber: #f59e0b;
    --purple: #8b5cf6;

    --text-high: #f8fafc;
    --text-mid: #94a3b8;
    --text-low: #64748b;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.6), 0 0 1px 1px rgba(255, 255, 255, 0.05);
    --shadow-glow: 0 0 30px -5px rgba(99, 102, 241, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Background Ambient Lighting Layers */
.ambient-mesh {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.mesh-orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    transform: translate3d(0, 0, 0);
}

.mesh-1 {
    width: 750px;
    height: 750px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.22) 0%, rgba(99, 102, 241, 0.08) 40%, transparent 70%);
    top: -150px;
    left: -100px;
}

.mesh-2 {
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.18) 0%, rgba(6, 182, 212, 0.06) 40%, transparent 70%);
    top: 30%;
    right: -200px;
}

.mesh-3 {
    width: 650px;
    height: 650px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.18) 0%, rgba(139, 92, 246, 0.06) 40%, transparent 70%);
    bottom: 10%;
    left: 15%;
}

.mesh-grid {
    position: fixed;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

/* Container */
.container {
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.site-header .container {
    max-width: 1400px;
    padding: 0 24px;
}

/* =========================================================
   STICKY HEADER & NAV
   ========================================================= */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 14px 0;
    transition: all 0.3s ease;
}

.site-header.scrolled {
    background: rgba(6, 9, 18, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 10px 0;
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: nowrap;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-high);
    flex-shrink: 0;
    white-space: nowrap;
}

.brand-badge {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #6366f1, #06b6d4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
    flex-shrink: 0;
}

.brand-text-col {
    display: flex;
    flex-direction: column;
    white-space: nowrap;
}

.brand-name {
    font-size: 1.12rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(90deg, #ffffff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
}

.brand-sub {
    font-size: 0.68rem;
    color: var(--cyan);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 18px;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-shrink: 0;
}

.nav-link {
    color: var(--text-mid);
    text-decoration: none;
    font-size: 0.86rem;
    font-weight: 500;
    transition: color 0.2s ease;
    position: relative;
    white-space: nowrap;
    display: inline-block;
}

.nav-link:hover {
    color: var(--text-high);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.25s ease;
    border-radius: 2px;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.live-badge {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 0.74rem;
    font-weight: 600;
    color: #34d399;
    padding: 6px 12px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: var(--radius-full);
    white-space: nowrap;
    flex-shrink: 0;
}

.pulse-dot {
    width: 7px;
    height: 7px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 10px #10b981;
    animation: pulseDot 2s infinite ease-in-out;
    flex-shrink: 0;
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 18px;
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: #ffffff;
    font-size: 0.86rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 18px rgba(99, 102, 241, 0.35);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
    background: linear-gradient(135deg, #4f46e5, #4338ca);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 18px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-high);
    font-size: 0.86rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    text-decoration: none;
    border: 1px solid var(--border-subtle);
    transition: all 0.25s ease;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Mobile Nav Toggle */
.mobile-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-high);
    font-size: 1.25rem;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

/* =========================================================
   HERO SECTION
   ========================================================= */
.hero-section {
    padding-top: 150px;
    padding-bottom: 80px;
    text-align: center;
    position: relative;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 600;
    color: #a5b4fc;
    margin-bottom: 24px;
    box-shadow: 0 0 25px rgba(99, 102, 241, 0.2);
}

.hero-pill-sparkle {
    font-size: 0.95rem;
}

.hero-title {
    font-size: clamp(2.3rem, 4.6vw, 4.2rem);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.03em;
    max-width: 1020px;
    margin: 0 auto 24px auto;
    padding-bottom: 6px;
}

.gradient-text {
    background: linear-gradient(135deg, #ffffff 30%, #818cf8 70%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    padding-bottom: 6px;
}

.hero-subtitle {
    font-size: clamp(1rem, 1.8vw, 1.25rem);
    color: var(--text-mid);
    max-width: 760px;
    margin: 0 auto 36px auto;
    font-weight: 400;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}

.hero-guarantees {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
    flex-wrap: wrap;
    font-size: 0.82rem;
    color: var(--text-low);
    margin-bottom: 60px;
}

.guarantee-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.guarantee-icon {
    color: var(--emerald);
    font-weight: 700;
}

/* Hero Visual Showcase */
.hero-visual-card {
    position: relative;
    max-width: 1040px;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    padding: 12px;
    background: rgba(16, 22, 40, 0.92);
    border: 1px solid var(--border-glow);
    box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.8), 0 0 50px -10px rgba(99, 102, 241, 0.25);
}

.visual-inner {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: #020617;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.hero-visual-card:hover .hero-img {
    transform: scale(1.02);
}

/* Floating Overlays on Showcase */
.floating-stat {
    position: absolute;
    background: rgba(11, 15, 29, 0.95);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
    pointer-events: none;
}

.stat-left {
    bottom: 24px;
    left: 24px;
    border-color: rgba(6, 182, 212, 0.35);
}

.stat-right {
    top: 24px;
    right: 24px;
    border-color: rgba(99, 102, 241, 0.35);
}

.stat-icon {
    font-size: 1.5rem;
}

.stat-title {
    font-size: 0.72rem;
    color: var(--text-mid);
    text-transform: uppercase;
    font-weight: 600;
}

.stat-value {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text-high);
    font-family: var(--font-mono);
}

/* =========================================================
   SECTION TITLES
   ========================================================= */
.section {
    padding: 100px 0;
    position: relative;
}

.section-head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 56px auto;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--cyan);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(2rem, 3.4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 16px;
    line-height: 1.25;
}

.section-desc {
    color: var(--text-mid);
    font-size: 1.05rem;
}

/* =========================================================
   FEATURES GRID (ŞİRKETE ÖZEL MİMARİ ÖZELLİKLERİ)
   ========================================================= */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 30px 26px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-glow);
    box-shadow: 0 25px 50px -15px rgba(99, 102, 241, 0.25);
}

.feature-icon-box {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 20px;
    border: 1px solid;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-high);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.feature-text {
    font-size: 0.9rem;
    color: var(--text-mid);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.feature-bullets {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-top: 1px solid var(--border-subtle);
    padding-top: 16px;
}

.feature-bullets li {
    font-size: 0.82rem;
    color: #cbd5e1;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

/* =========================================================
   FLEET COMPANY NOTICE BANNER
   ========================================================= */
.fleet-company-banner {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(6, 182, 212, 0.08));
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-lg);
    padding: 22px 28px;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.fcb-icon {
    font-size: 2.2rem;
    flex-shrink: 0;
}

.fcb-content {
    flex: 1;
}

.fcb-content h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 6px;
}

.fcb-content p {
    font-size: 0.86rem;
    color: var(--text-mid);
    line-height: 1.5;
    margin: 0;
}

.fcb-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.35);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    color: #34d399;
    white-space: nowrap;
    flex-shrink: 0;
}

@media (max-width: 800px) {
    .fleet-company-banner {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
        padding: 18px 20px;
    }
}

/* =========================================================
   INTERACTIVE PROMPT PLAYGROUND
   ========================================================= */
.playground-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.playground-top-bar {
    padding: 14px 20px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.terminal-dots {
    display: flex;
    gap: 7px;
}

.tdot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.tdot.red { background: #ef4444; }
.tdot.yellow { background: #f59e0b; }
.tdot.green { background: #10b981; }

.terminal-title {
    font-size: 0.78rem;
    font-family: var(--font-mono);
    color: var(--text-mid);
}

.playground-chips {
    display: flex;
    gap: 10px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-subtle);
    overflow-x: auto;
}

.prompt-chip {
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    color: var(--text-mid);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.prompt-chip:hover, .prompt-chip.active {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.4);
    color: #ffffff;
}

.playground-body {
    padding: 24px;
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 24px;
}

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

.pipeline-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pipeline-step {
    padding: 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.pipeline-step.active {
    border-color: var(--cyan);
    background: rgba(6, 182, 212, 0.08);
}

.step-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--cyan);
    text-transform: uppercase;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.step-content {
    font-size: 0.88rem;
    color: var(--text-high);
}

.terminal-col {
    background: #05070d;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 18px;
    font-family: var(--font-mono);
    font-size: 0.84rem;
    display: flex;
    flex-direction: column;
    min-height: 280px;
}

.term-output {
    flex: 1;
    color: #e2e8f0;
    white-space: pre-wrap;
    line-height: 1.7;
}

.term-tag-agent {
    color: #a78bfa;
    font-weight: 600;
}

.term-tag-erp {
    color: #38bdf8;
    font-weight: 600;
}

.term-tag-success {
    color: #34d399;
    font-weight: 600;
}

/* =========================================================
   AUTONOMOUS FLEET CARDS (SANAL ÇALIŞANLAR)
   ========================================================= */
.fleet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.fleet-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-card);
}

.fleet-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-glow);
    box-shadow: 0 25px 50px -15px rgba(99, 102, 241, 0.25);
}

.fleet-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--card-accent, #6366f1), transparent);
}

.fleet-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.fleet-avatar-wrap {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1.5px solid var(--card-accent, var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.fleet-status-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    color: #34d399;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.fleet-name {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.fleet-role {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--card-accent, var(--cyan));
    margin-bottom: 14px;
}

.fleet-desc {
    font-size: 0.88rem;
    color: var(--text-mid);
    margin-bottom: 20px;
    flex: 1;
}

.fleet-tools-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--text-low);
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.fleet-tools-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
}

.tool-tag {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    padding: 3px 8px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-mid);
}

.fleet-dialog-box {
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 12px;
    font-size: 0.82rem;
    color: #cbd5e1;
    font-style: italic;
    border-left: 3px solid var(--card-accent, var(--primary));
}

/* =========================================================
   PRIVACY & ARCHITECTURE COMPARISON
   ========================================================= */
.comp-table-wrap {
    overflow-x: auto;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
}

.comp-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 650px;
}

.comp-table th, .comp-table td {
    padding: 20px 24px;
    text-align: left;
    border-bottom: 1px solid var(--border-subtle);
}

.comp-table th {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-mid);
    background: rgba(0, 0, 0, 0.25);
}

.comp-table th.aide-col {
    background: rgba(99, 102, 241, 0.12);
    color: #a5b4fc;
    border-top: 2px solid var(--primary);
}

.comp-feature {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-high);
}

.comp-sub {
    font-size: 0.78rem;
    color: var(--text-low);
    font-weight: 400;
    margin-top: 2px;
}

.comp-trad {
    color: #f87171;
    font-size: 0.9rem;
}

.comp-aide {
    color: #34d399;
    font-weight: 600;
    font-size: 0.95rem;
    background: rgba(99, 102, 241, 0.05);
}

/* =========================================================
   ROI CALCULATOR SECTION
   ========================================================= */
.roi-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 40px;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 40px;
    box-shadow: var(--shadow-card);
}

@media (max-width: 900px) {
    .roi-card {
        grid-template-columns: 1fr;
        padding: 24px;
    }
}

.slider-group {
    margin-bottom: 28px;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 10px;
}

.slider-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-high);
}

.slider-val-badge {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--cyan);
}

.range-input {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1, #06b6d4);
    box-shadow: 0 0 12px rgba(6, 182, 212, 0.6);
    cursor: pointer;
    transition: transform 0.15s ease;
}

.range-input::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.roi-results-box {
    background: rgba(6, 9, 18, 0.7);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-glow);
}

.roi-metric {
    margin-bottom: 24px;
}

.roi-metric-lbl {
    font-size: 0.78rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--text-low);
    margin-bottom: 6px;
    letter-spacing: 0.05em;
}

.roi-metric-big {
    font-size: clamp(2rem, 3.2vw, 2.8rem);
    font-weight: 800;
    font-family: var(--font-mono);
    color: #34d399;
    letter-spacing: -0.02em;
}

.roi-metric-sub {
    font-size: 0.82rem;
    color: var(--text-mid);
    margin-top: 4px;
}

/* =========================================================
   FAQ ACCORDION
   ========================================================= */
.faq-list {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color 0.25s ease;
}

.faq-item.open {
    border-color: var(--border-glow);
}

.faq-question {
    padding: 20px 24px;
    width: 100%;
    text-align: left;
    background: transparent;
    border: none;
    color: var(--text-high);
    font-size: 1.05rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-icon {
    font-size: 1.25rem;
    transition: transform 0.3s ease;
    color: var(--primary);
}

.faq-item.open .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    padding: 0 24px;
    color: var(--text-mid);
    font-size: 0.95rem;
    line-height: 1.7;
}

.faq-item.open .faq-answer {
    max-height: 250px;
    padding-bottom: 20px;
}

/* =========================================================
   FINAL CALL TO ACTION BANNER
   ========================================================= */
.cta-banner {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-xl);
    padding: 60px 40px;
    text-align: center;
    box-shadow: 0 20px 60px -15px rgba(0, 0, 0, 0.8), 0 0 40px rgba(99, 102, 241, 0.25);
    background: linear-gradient(135deg, rgba(20, 27, 48, 0.95) 0%, rgba(13, 18, 34, 0.98) 100%);
}

.cta-banner h2 {
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.025em;
}

.cta-banner p {
    color: var(--text-mid);
    font-size: 1.1rem;
    max-width: 650px;
    margin: 0 auto 36px auto;
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
    border-top: 1px solid var(--border-subtle);
    padding: 60px 0 30px 0;
    margin-top: 80px;
    background: rgba(4, 6, 12, 0.9);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

@media (max-width: 800px) {
    .footer-top {
        grid-template-columns: 1fr;
    }
}

.footer-desc {
    color: var(--text-mid);
    font-size: 0.88rem;
    margin-top: 14px;
    max-width: 320px;
}

.footer-col h5 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-high);
    margin-bottom: 18px;
    letter-spacing: 0.05em;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--text-low);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--text-high);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    color: var(--text-low);
    flex-wrap: wrap;
    gap: 12px;
}

.footer-specs {
    font-family: var(--font-mono);
    color: var(--cyan);
}

/* Responsive Overrides */
@media (max-width: 1220px) {
    .live-badge {
        display: none;
    }
    .nav-menu {
        gap: 14px;
    }
}

@media (max-width: 1040px) {
    .nav-menu {
        display: none;
    }
    .mobile-toggle {
        display: block;
    }
}

@media (max-width: 640px) {
    .brand-sub {
        display: none;
    }
    .hero-title {
        font-size: 2.1rem;
    }
    .btn-primary {
        padding: 8px 14px;
        font-size: 0.82rem;
    }
}