:root {
    --bg-color: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --accent: #000000;
    --border-color: #e5e5e5;
    --surface-hover: #f5f5f5;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --section-spacing: 120px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    color: var(--text-primary);
    background: var(--bg-color);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s;
}

a:hover {
    opacity: 0.7;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header/Nav */
header {
    padding: 20px 0;
    position: sticky;
    top: 0;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid transparent;
}

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

.logo {
    font-weight: 700;
    font-size: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links {
    display: flex;
    gap: 30px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-btn {
    background: var(--accent);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
}

.nav-btn:hover {
    opacity: 0.9;
}

/* Hero Section */
.hero {
    padding: 100px 0 60px;
    text-align: center;
}

.hero-pill {
    display: inline-block;
    background: #f4f4f5;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
    color: var(--text-secondary);
}

.hero h1 {
    font-size: 64px;
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 24px;
    padding-bottom: 10px;
    background: linear-gradient(180deg, #1a1a1a 0%, #4a4a4a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

.hero-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
}

.btn-primary {
    background: var(--accent);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
}

/* Hero Visual/Dashboard Placeholder */
.hero-visual {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.1);
    margin: 0 auto;
    max-width: 1000px;
    overflow: hidden;
    position: relative;
    padding: 40px;
    text-align: left;
}

.code-window {
    background: #1e1e1e;
    border-radius: 8px;
    padding: 20px;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 13px;
    color: #d4d4d4;
    overflow-x: auto;
}

.code-line { margin-bottom: 4px; display: block; }
.k-blue { color: #569cd6; }
.k-green { color: #6a9955; }
.k-purple { color: #c586c0; }
.k-orange { color: #ce9178; }

/* Logo Ticker */
.logo-ticker {
    padding: 60px 0;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.logo-ticker p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-weight: 500;
}

.logos {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    opacity: 0.6;
    filter: grayscale(100%);
}

.logo-item {
    font-weight: 600;
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Features Split Section */
.features-section {
    padding: var(--section-spacing) 0;
}

.section-header {
    margin-bottom: 60px;
    max-width: 500px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.feature-split {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.feature-list {
    display: flex;
    flex-direction: column;
}

.feature-item {
    padding: 24px 0;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s;
}

.feature-item h3 {
    font-size: 18px;
    margin: 0 0 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.feature-item p {
    font-size: 15px;
    color: var(--text-secondary);
    margin: 0;
    display: none; /* Accordion style */
}

.feature-item.active p {
    display: block;
}

.feature-item.active {
    border-color: var(--accent);
}

.feature-visual {
    background: #f9fafb;
    border-radius: 12px;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: sticky;
    top: 100px;
}

/* Experience Cards (Pricing Style) */
.experience-section {
    padding: var(--section-spacing) 0;
    background: #fafafa;
    position: relative;
}

.exp-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 60px;
}

.exp-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    z-index: 1;
}

.exp-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.06);
}

.exp-card.focused {
    transform: scale(1.05);
    box-shadow: 0 30px 60px rgba(0,0,0,0.12);
    z-index: 1001;
    border-color: var(--accent);
}

.card-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.card-overlay.active {
    opacity: 1;
    visibility: visible;
}

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

.exp-card.featured::before {
    content: "Current Role";
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.role-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.company-name {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.exp-details {
    list-style: none;
    padding: 0;
    margin: 0 0 32px;
    flex: 1;
}

.exp-details li {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
}

.exp-details li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* Dark Footer */
.footer {
    background: #111;
    color: white;
    padding: 80px 0 40px;
}

.footer-cta {
    background: #1a1a1a;
    border-radius: 16px;
    padding: 60px;
    text-align: center;
    margin-bottom: 80px;
    position: relative;
    overflow: hidden;
}

.footer-cta h2 {
    font-size: 36px;
    margin-bottom: 20px;
    line-height: 1.4;
    padding-bottom: 8px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    border-top: 1px solid #333;
    padding-top: 60px;
}

.footer-col h4 {
    color: #888;
    font-size: 14px;
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    color: white;
    font-size: 14px;
}

.footer-col a:hover {
    color: #888;
}

/* Responsive */
@media (max-width: 900px) {
    .feature-split {
        grid-template-columns: 1fr;
    }
    .feature-visual {
        order: -1;
        height: 300px;
        position: static;
    }
    .exp-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .hero h1 {
        font-size: 42px;
    }
}