/* ============================================================
   GEAU.AI — Main Stylesheet
   AI-Powered CAD Workflow Optimization Platform
   ============================================================ */

/* --- CSS Custom AIperties --- */
:root {
    --color-bg: #0a0a0f;
    --color-surface: #12121a;
    --color-surface-2: #1a1a26;
    --color-surface-3: #222233;
    --color-border: #2a2a3d;
    --color-text: #e4e4f0;
    --color-text-muted: #8888a8;
    --color-text-dim: #5a5a78;
    --color-primary: #6366f1;
    --color-primary-light: #818cf8;
    --color-primary-dark: #4f46e5;
    --color-secondary: #06b6d4;
    --color-secondary-light: #22d3ee;
    --color-accent: #f59e0b;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --gradient-primary: linear-gradient(135deg, #6366f1, #06b6d4);
    --gradient-hero: linear-gradient(180deg, rgba(99,102,241,0.08) 0%, rgba(6,182,212,0.04) 50%, transparent 100%);
    --gradient-card: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(6,182,212,0.05));
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 40px rgba(99,102,241,0.15);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

a { color: var(--color-primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-secondary-light); }

img { max-width: 100%; height: auto; }

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- Typography --- */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: clamp(1.1rem, 1.5vw, 1.25rem); }

p { color: var(--color-text-muted); }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(99,102,241,0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99,102,241,0.4);
    color: white;
}

.btn-secondary {
    background: var(--color-surface-2);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}
.btn-secondary:hover {
    background: var(--color-surface-3);
    border-color: var(--color-primary);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--color-primary-light);
    border: 2px solid var(--color-primary);
}
.btn-outline:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-text-dim);
}
.btn-ghost:hover {
    border-color: var(--color-text);
    color: white;
}

.btn-lg { padding: 1rem 2.25rem; font-size: 1.05rem; }
.btn-block { width: 100%; justify-content: center; }

/* --- Section Layout --- */
.section {
    padding: 8rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    background: rgba(99,102,241,0.1);
    border: 1px solid rgba(99,102,241,0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    max-width: 640px;
    margin: 0 auto;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10,10,15,0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(42,42,61,0.5);
    padding: 0.75rem 0;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-icon { width: 36px; height: 36px; }

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-text);
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-links a {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--color-text);
    background: rgba(255,255,255,0.05);
}

.nav-cta {
    background: var(--gradient-primary) !important;
    color: white !important;
    font-weight: 600 !important;
    padding: 0.5rem 1.5rem !important;
    border-radius: var(--radius-sm) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    position: relative;
    overflow: hidden;
}

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

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99,102,241,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99,102,241,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: orbFloat 20s infinite ease-in-out;
}

.hero-orb-1 {
    width: 500px; height: 500px;
    background: rgba(99,102,241,0.15);
    top: -10%; right: -5%;
}

.hero-orb-2 {
    width: 400px; height: 400px;
    background: rgba(6,182,212,0.1);
    bottom: -5%; left: -5%;
    animation-delay: -7s;
}

.hero-orb-3 {
    width: 300px; height: 300px;
    background: rgba(245,158,11,0.08);
    top: 30%; left: 40%;
    animation-delay: -14s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(99,102,241,0.1);
    border: 1px solid rgba(99,102,241,0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary-light);
    margin-bottom: 2rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    max-width: 520px;
    line-height: 1.7;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    text-align: center;
    padding: 1.25rem;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(42,42,61,0.5);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.stat-card:hover {
    border-color: rgba(99,102,241,0.3);
    background: rgba(99,102,241,0.03);
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* --- Dashboard Preview --- */
.hero-visual {
    perspective: 1200px;
}

.dashboard-preview {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: rotateY(-5deg) rotateX(2deg);
    transition: var(--transition);
    animation: dashboardFloat 6s infinite ease-in-out;
}

.dashboard-preview:hover {
    transform: rotateY(-2deg) rotateX(1deg);
    box-shadow: 0 20px 60px rgba(0,0,0,0.6), var(--shadow-glow);
}

@keyframes dashboardFloat {
    0%, 100% { transform: rotateY(-5deg) rotateX(2deg) translateY(0); }
    50% { transform: rotateY(-5deg) rotateX(2deg) translateY(-10px); }
}

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    background: var(--color-surface-2);
    border-bottom: 1px solid var(--color-border);
}

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

.dashboard-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-surface-3);
}

.dashboard-title {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.dashboard-body {
    display: flex;
    height: 340px;
}

.dashboard-sidebar {
    width: 180px;
    background: var(--color-surface-2);
    border-right: 1px solid var(--color-border);
    padding: 1rem 0;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1.25rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    transition: var(--transition);
    cursor: pointer;
}

.sidebar-item:hover, .sidebar-item.active {
    background: rgba(99,102,241,0.1);
    color: var(--color-primary-light);
    border-right: 2px solid var(--color-primary);
}

.sidebar-icon { font-size: 1rem; }

.dashboard-main {
    flex: 1;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.dash-card {
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 1rem;
    text-align: center;
}

.dash-card-value {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-text);
}

.dash-card-label {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.dash-card-trend {
    font-size: 0.7rem;
    margin-top: 0.25rem;
    font-weight: 600;
}

.dash-card-trend.down { color: var(--color-success); }
.dash-card-trend.up { color: var(--color-warning); }

.dashboard-chart {
    flex: 1;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
}

.dashboard-chart canvas {
    width: 100% !important;
    height: 100% !important;
}

/* --- Bottlenecks Section --- */
.bottlenecks-section {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.bottleneck-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.bottleneck-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.bottleneck-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}

.bottleneck-card:hover {
    border-color: rgba(99,102,241,0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.bottleneck-card:hover::before { opacity: 1; }

.bottleneck-card-featured {
    grid-column: span 1;
    border-color: rgba(245,158,11,0.3);
    background: linear-gradient(135deg, rgba(245,158,11,0.05), rgba(99,102,241,0.03));
}

.bottleneck-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.bottleneck-rank {
    background: var(--gradient-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.3rem 0.75rem;
    border-radius: 100px;
}

.bottleneck-impact {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.bottleneck-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.bottleneck-title {
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.bottleneck-stat {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-unit {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.bottleneck-description {
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

.bottleneck-metrics {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    padding: 1rem;
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
}

.metric {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.metric-value {
    font-weight: 700;
    color: var(--color-primary-light);
    min-width: 80px;
}

.metric-label {
    color: var(--color-text-muted);
}

.bottleneck-solution {
    padding: 1rem;
    background: rgba(16,185,129,0.05);
    border: 1px solid rgba(16,185,129,0.2);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.6;
}

.chart-container {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.chart-container h3 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.chart-container canvas {
    max-height: 400px;
}

/* --- Features Section --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99,102,241,0.03) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: rgba(99,102,241,0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-card:hover::after { opacity: 1; }

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-card);
    border: 1px solid rgba(99,102,241,0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-title {
    margin-bottom: 1rem;
    color: var(--color-text);
}

.feature-card p {
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

.feature-stat {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.feature-stat span:first-child {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.feature-stat span:last-child {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* --- Software Section --- */
.software-section {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.software-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.software-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    text-align: center;
    transition: var(--transition);
    cursor: default;
}

.software-card:hover {
    border-color: rgba(99,102,241,0.3);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.software-logo {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
}

.software-logo svg {
    width: 100%;
    height: 100%;
}

.software-card h4 {
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.software-tag {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* --- Report Section --- */
.report-section {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.report-content {
    max-width: 960px;
    margin: 0 auto;
}

.report-article {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 3rem;
}

.report-toc {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    margin-bottom: 3rem;
}

.report-toc h3 {
    margin-bottom: 1rem;
    color: var(--color-text);
}

.report-toc ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.report-toc a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    display: block;
    transition: var(--transition);
}

.report-toc a:hover {
    background: rgba(99,102,241,0.1);
    color: var(--color-primary-light);
}

.report-article h2 {
    margin: 3rem 0 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    color: var(--color-text);
}

.report-article h2:first-child {
    border-top: none;
    margin-top: 0;
    padding-top: 0;
}

.report-article h3 {
    margin: 2rem 0 1rem;
    color: var(--color-text);
}

.report-article p {
    margin-bottom: 1.25rem;
    line-height: 1.8;
}

.report-highlight {
    background: rgba(99,102,241,0.08);
    border-left: 4px solid var(--color-primary);
    padding: 1.5rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 2rem 0;
}

.report-table-container {
    margin: 2rem 0;
    overflow-x: auto;
}

.report-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.report-table th {
    background: var(--color-surface-2);
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--color-text);
    border-bottom: 2px solid var(--color-border);
}

.report-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

.report-table tr:hover td {
    background: rgba(255,255,255,0.02);
}

.finding-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    margin: 1.5rem 0;
}

.finding-card h3 {
    margin-top: 0;
    color: var(--color-text);
}

.finding-stat {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-top: 1.25rem;
    padding: 1rem;
    background: rgba(99,102,241,0.05);
    border-radius: var(--radius-sm);
}

.finding-value {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.finding-stat span:last-child {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.bottleneck-deep {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    margin: 2rem 0;
}

.bottleneck-deep h3 {
    margin-top: 0;
    color: var(--color-text);
}

.bottleneck-deep-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
}

.bd-stat {
    text-align: center;
    padding: 1rem;
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
}

.bd-stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bd-stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.bottleneck-deep-chart {
    margin-top: 1.5rem;
}

.bottleneck-deep-chart canvas {
    max-height: 300px;
}

.software-analysis {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    margin: 1.5rem 0;
}

.software-analysis h3 {
    margin-top: 0;
    color: var(--color-text);
}

.software-analysis ul {
    margin-top: 1rem;
    padding-left: 1.5rem;
}

.software-analysis li {
    margin-bottom: 0.5rem;
    color: var(--color-text-muted);
}

.recommendations {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.rec-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    gap: 1.25rem;
}

.rec-rank {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: var(--gradient-primary);
    color: white;
    font-weight: 800;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.rec-card h4 {
    margin-bottom: 0.5rem;
    color: var(--color-text);
    font-size: 1rem;
}

.rec-card p {
    font-size: 0.9rem;
    line-height: 1.6;
}

.report-closing {
    margin-top: 3rem;
    padding: 2rem;
    background: rgba(99,102,241,0.05);
    border: 1px solid rgba(99,102,241,0.2);
    border-radius: var(--radius-md);
}

/* --- Pricing Section --- */
.pricing-section {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    align-items: start;
}

.pricing-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card-featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
    transform: scale(1.02);
}

.pricing-card-featured:hover {
    transform: scale(1.02) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.35rem 1.25rem;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.pricing-name {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-text);
    line-height: 1;
}

.price-period {
    font-size: 1rem;
    color: var(--color-text-muted);
}

.pricing-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.pricing-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.pricing-feature {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* --- Testimonials Section --- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.testimonial-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: rgba(99,102,241,0.3);
    transform: translateY(-4px);
}

.testimonial-stars {
    color: var(--color-accent);
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
    letter-spacing: 0.1em;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    color: var(--color-text);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: white;
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.testimonial-name {
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.95rem;
}

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

/* --- FAQ Section --- */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.faq-item:hover {
    border-color: rgba(99,102,241,0.3);
}

.faq-item.active {
    border-color: var(--color-primary);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-sans);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--color-primary-light);
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 1rem;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 2rem 1.5rem;
    line-height: 1.7;
}

/* --- CTA Section --- */
.cta-section {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    margin-bottom: 1rem;
}

.cta-content > p {
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.cta-note {
    font-size: 0.85rem;
    color: var(--color-text-dim);
}

/* --- Footer --- */
.footer {
    padding: 5rem 0 2rem;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.footer-contact {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.footer-contact a {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.footer-contact a:hover {
    color: var(--color-primary-light);
}

.footer-links h4 {
    color: var(--color-text);
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--color-text-dim);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

/* --- Contact Form --- */
.contact-section {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1.25rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.contact-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--gradient-card);
    border: 1px solid rgba(99,102,241,0.2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.contact-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.contact-value {
    font-size: 1rem;
    color: var(--color-text);
    font-weight: 500;
}

.contact-form {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 0.95rem;
    font-family: var(--font-sans);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238888a8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-submit {
    width: 100%;
    padding: 1rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99,102,241,0.3);
}

.form-success {
    display: none;
    text-align: center;
    padding: 2rem;
}

.form-success.show {
    display: block;
}

.form-success-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* --- Changelog --- */
.changelog-list {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.changelog-entry {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
}

.changelog-version {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.changelog-badge {
    background: var(--gradient-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.3rem 0.75rem;
    border-radius: 100px;
}

.changelog-date {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.changelog-items {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.changelog-items li {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    padding-left: 1.5rem;
    position: relative;
}

.changelog-items li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary-light);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle { margin: 0 auto 2.5rem; }
    .hero-stats { max-width: 500px; margin: 0 auto 3rem; }
    .hero-cta { justify-content: center; }
    .hero-visual { display: none; }

    .bottleneck-grid,
    .features-grid,
    .pricing-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }

    .bottleneck-card-featured { grid-column: span 1; }

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

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

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

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

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10,10,15,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1rem 2rem 2rem;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links.active { display: flex; }
    .nav-toggle { display: flex; }

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

    .hero-cta { flex-direction: column; align-items: center; }

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

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

    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }

    .form-row { grid-template-columns: 1fr; }

    .section { padding: 5rem 0; }

    .report-article { padding: 1.5rem; }
}

/* --- Utility --- */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }