/* Base and Reset (Rocketseat Style) */
:root {
    /* Colors - Rocketseat Dark Theme with Orange Accent */
    --bg-base: #09090a;
    --bg-surface: #121214;
    --bg-surface-elevated: #202024;
    
    --accent: #FF6A00;
    --accent-hover: #E55F00;
    --accent-gradient: linear-gradient(90deg, #FF6A00 0%, #FFB067 100%);
    --accent-glow: rgba(255, 106, 0, 0.2);
    
    --text-primary: #E1E1E6;
    --text-secondary: #A8A8B3;
    --text-muted: #7C7C8A;
    
    --success: #04d361;
    --danger: #F75A68;
    --warning: #FBA94C;
    
    --border-color: #323238;
    --border-hover: #4D4D57;
    
    /* Fonts */
    --font-heading: 'Inter', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    
    /* Layout */
    --max-width: 1120px;
    --header-height: 80px;
    
    /* Effects */
    --radius-lg: 8px;
    --radius-md: 6px;
    --radius-sm: 4px;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.text-accent { color: var(--accent); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }

/* Utilities */
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 3rem; }
.d-block { display: block; }
.mx-auto { margin-left: auto; margin-right: auto; }
.full-width { width: 100%; }
.font-light { font-weight: 400; }

.section {
    padding: 5rem 0;
    position: relative;
}

.section-header {
    max-width: 700px;
    margin: 0 auto 4rem auto;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

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

/* Solid Panels (Replaces Glass) */
.glass-panel, .solid-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: border-color var(--transition);
}

.solid-panel:hover, .glass-panel:hover {
    border-color: var(--border-hover);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    min-height: 3rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
    line-height: 1.2;
    text-align: center;
}

.btn-sm {
    min-height: 2.5rem;
    padding: 0.5rem 1.25rem;
    font-size: 0.75rem;
}

.btn-lg {
    min-height: 3.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    background: var(--bg-surface-elevated);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--border-color);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: #fff;
}

.pulse-button {
    animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(255, 106, 0, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(255, 106, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 106, 0, 0); }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: var(--bg-base);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    height: 70px;
    background: rgba(9, 9, 10, 0.95);
    backdrop-filter: blur(8px);
}

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

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.logo-tm {
    font-size: 0.75rem;
    vertical-align: top;
    color: var(--accent);
}

.desktop-nav {
    display: flex;
    gap: 2rem;
}

.desktop-nav a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Lang Switcher */
.lang-switcher {
    position: relative;
}

.lang-btn {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.lang-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    min-width: 150px;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.lang-switcher:hover .lang-dropdown,
.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    text-align: left;
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.875rem;
    border-radius: 4px;
    transition: var(--transition);
}

.lang-dropdown button:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

/* Lang Flags */
.lang-flags {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0.5rem;
}

.flag-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    padding: 0;
    opacity: 0.4;
    transition: var(--transition);
    cursor: pointer;
}

.flag-btn:hover, .flag-btn.active {
    opacity: 1;
    transform: scale(1.15);
}

.flag-btn img {
    width: 24px;
    height: 18px;
    object-fit: cover;
    border-radius: 2px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: 0;
    background: var(--bg-base);
    overflow: hidden;
    transition: var(--transition);
    z-index: 999;
    display: flex;
    flex-direction: column;
    padding: 0 1.5rem;
}

.mobile-menu.active {
    height: calc(100vh - var(--header-height));
    padding-top: 2rem;
    padding-bottom: 2rem;
    border-top: 1px solid var(--border-color);
}

.mobile-menu a {
    font-size: 1.125rem;
    font-weight: 600;
    padding: 1rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu a:hover {
    color: var(--text-primary);
}

.mobile-menu a.btn {
    border-bottom: none;
    margin-top: 1.5rem;
    text-align: center;
    color: #fff;
}

/* Hero Section */
.hero {
    min-height: 90vh;
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 4rem;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at 50% 0%, var(--bg-surface) 0%, var(--bg-base) 100%);
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(to right, var(--border-color) 1px, transparent 1px),
        linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
    background-size: 64px 64px;
    opacity: 0.3;
    z-index: 0;
    mask-image: radial-gradient(circle at top center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(circle at top center, black 0%, transparent 70%);
    mask: radial-gradient(circle at top center, black 0%, transparent 70%);
}

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

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.badge::before {
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 480px;
    line-height: 1.6;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-icon {
    color: var(--accent);
    width: 20px;
    height: 20px;
}

/* Dashboard Mockup in Hero */
.dashboard-mockup {
    width: 100%;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    position: relative;
}

.dashboard-mockup::before {
    content: '';
    position: absolute;
    inset: -1px;
    padding: 1px;
    border-radius: calc(var(--radius-lg) + 1px);
    background: linear-gradient(135deg, var(--border-hover) 0%, transparent 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

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

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

.dots span:nth-child(1) { background: #ED6A5E; }
.dots span:nth-child(2) { background: #F4BF4F; }
.dots span:nth-child(3) { background: #61C554; }

.mockup-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.mockup-body {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.pipeline-stages {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.stage {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.stage-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-transform: uppercase;
}

.stage-title .count {
    background: var(--bg-surface-elevated);
    padding: 0.1rem 0.4rem;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    color: var(--text-primary);
}

.card {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    font-size: 0.75rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.card-header .name { font-weight: 600; color: var(--text-primary); }
.card-header .time { color: var(--text-muted); font-size: 0.65rem; }
.card-header .val { color: var(--success); font-weight: 600; }

.card-action {
    color: var(--text-secondary);
    font-size: 0.7rem;
}

.card-pulse {
    border-color: var(--accent);
    position: relative;
}

.card-pulse::after {
    content: '';
    position: absolute;
    top: -1px; left: -1px; right: -1px; bottom: -1px;
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    animation: ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
    opacity: 0.5;
}

@keyframes ping {
    75%, 100% {
        transform: scale(1.05);
        opacity: 0;
    }
}

.card-success {
    border-left: 2px solid var(--success);
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
}

.progress-bar .fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
}

.revenue-chart {
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1rem;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.chart-title { font-size: 0.75rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; }
.chart-value { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }
.chart-value .trend { color: var(--success); font-size: 0.7rem; margin-left: 0.25rem; font-weight: 600; }

.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
    height: 60px;
}

.bar-col {
    flex: 1;
    height: 100%;
    display: flex;
    align-items: flex-end;
}

.bar {
    width: 100%;
    background: var(--border-color);
    border-radius: 2px 2px 0 0;
    transition: background 0.2s;
}

.bar-accent {
    background: var(--accent);
}

/* Problem Section - Cards */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

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

.problem-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 2px;
    background: var(--bg-surface-elevated);
    transition: var(--transition);
}

.problem-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.problem-card:hover::before {
    background: var(--accent);
}

.icon-box {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
}

.icon-box.warning { color: var(--warning); }
.icon-box.danger { color: var(--danger); }

.problem-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.125rem;
}

.problem-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

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

.math-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.diff-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
    font-size: 1rem;
    font-weight: 500;
}

.diff-item i {
    flex-shrink: 0;
}

.math-calculator {
    padding: 2.5rem;
    background: var(--bg-base);
}

.calc-row {
    padding: 1.5rem;
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
}

.calc-label {
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.calc-label.text-accent {
    color: var(--accent);
}

.calc-stats {
    display: flex;
    justify-content: space-between;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat .val {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
}

.stat .lbl {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.stat .op {
    font-weight: 500;
    color: var(--text-secondary);
}

.calc-divider {
    display: flex;
    justify-content: center;
    margin: -16px 0;
    position: relative;
    z-index: 2;
}

.arrow-down {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.calc-result {
    margin-top: 2.5rem;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px dashed var(--border-color);
}

.result-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.result-highlight {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 0.5rem;
}

.result-highlight .val {
    font-size: 3rem;
    font-weight: 800;
    color: var(--success);
    line-height: 1;
    letter-spacing: -0.04em;
}

.result-highlight .lbl {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 0.5rem;
}

.result-sub {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Industries Section */
.industry-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.industry-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.industry-card:hover {
    border-color: var(--border-hover);
}

.card-image {
    height: 160px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid var(--border-color);
}

.card-image.bg-roofing {
    background-image: url('https://images.unsplash.com/photo-1632759145355-60c04f47ec05?ixlib=rb-4.0.3&auto=format&fit=crop&w=1000&q=80');
}

.card-image.bg-solar {
    background-image: url('https://images.unsplash.com/photo-1509391366360-2e959784a276?ixlib=rb-4.0.3&auto=format&fit=crop&w=1000&q=80');
}

.overlay {
    position: absolute;
    inset: 0;
    background: rgba(9, 9, 10, 0.7);
}

.industry-icon {
    position: relative;
    z-index: 2;
    width: 48px;
    height: 48px;
    color: #fff;
}

.card-content {
    padding: 2.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-content h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.card-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.875rem;
    line-height: 1.6;
}

.feature-list {
    margin-bottom: 2.5rem;
    flex: 1;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
}

.feature-list li i {
    color: var(--success);
    width: 20px;
    height: 20px;
}

/* System Timeline (Blocky Rocketseat style) */
.system-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.system-step {
    display: flex;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
    position: relative;
}

.step-num {
    width: 50px;
    height: 50px;
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.125rem;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
    transition: var(--transition);
}

.system-step:hover .step-num {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--bg-surface-elevated);
}

.step-card {
    flex: 1;
    padding: 2rem;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.step-card:hover {
    border-color: var(--border-hover);
}

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

.step-details h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.step-details p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Guarantee & Founder Section */
.dark-section {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
}

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

.founder-box, .guarantee-box {
    padding: 3rem;
    position: relative;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-base);
}

.badge-tag {
    position: absolute;
    top: -12px;
    left: 2rem;
    background: var(--accent);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 800;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.875rem;
}

.check-list li i {
    color: var(--success);
}

.accent-border {
    border: 1px solid var(--accent);
    position: relative;
    overflow: hidden;
}

.accent-border::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 4px;
    background: var(--accent-gradient);
}

.guarantee-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    color: var(--accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.guarantee-icon i {
    width: 24px;
    height: 24px;
}

.guarantee-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.guarantee-text strong {
    color: var(--text-primary);
    font-weight: 700;
}

.quote {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    font-style: italic;
    color: var(--text-secondary);
    border-left: 2px solid var(--border-color);
    padding-left: 1rem;
}

/* CTA Box */
.cta-box {
    position: relative;
    padding: 5rem 2rem;
    text-align: center;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.cta-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 4px;
    background: var(--accent-gradient);
}

.embed-placeholder {
    max-width: 480px;
    margin: 0 auto;
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 3rem 2rem;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem 0;
    background: var(--bg-base);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand .logo-text {
    font-size: 1.5rem;
}

.footer-links h4, .footer-contact h4 {
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

.footer-links a, .footer-contact a {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.footer-links a:hover, .footer-contact a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.875rem;
    display: flex;
    justify-content: space-between;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.fade-up {
    opacity: 0;
    transform: translateY(15px);
    animation: fadeUp 0.6s ease forwards;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* Responsive */
@media (max-width: 991px) {
    .hero-title { font-size: 2.75rem; }
    .hero-container, .math-grid, .split-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .desktop-nav, .hidden-mobile { display: none !important; }
    .mobile-menu-btn { display: block; }
    
    .section { padding: 4rem 0; }
    .hero-title { font-size: 2.25rem; }
    
    .pipeline-stages {
        grid-template-columns: 1fr;
    }
    
    .calc-stats {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .split-grid { gap: 1.5rem; }
    .founder-box, .guarantee-box { padding: 2rem; }
    
    .footer-bottom {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
}

@media (max-width: 576px) {
    .hero-title { font-size: 2rem; }
    .section-title { font-size: 1.75rem; }
    .footer-top { grid-template-columns: 1fr; gap: 2.5rem; }
    .system-step { gap: 1.5rem; }
    .step-num { width: 40px; height: 40px; font-size: 1rem; }
    .timeline-line { left: 19px; }
}