/* Base Styles & Variables */
:root {
    --bg: #FAFAFA;
    --text: #000000;
    --primary: #F03603;
    /* Browserbase Orange */
    --primary-hover: #D02B00;
    --border: #000000;
    --gray-light: #F0F0F0;
    --gray-medium: #E0E0E0;
    --code-bg: #1A1A1A;
    --grid-color: rgba(0, 0, 0, 0.05);
}

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

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.5;
    overflow-x: hidden;
    /* Isometric Grid Background */
    background-image:
        linear-gradient(45deg, var(--grid-color) 1px, transparent 1px),
        linear-gradient(-45deg, var(--grid-color) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: center top;
}

/* Vignette / Edge Glow */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at center, transparent 60%, rgba(0, 0, 0, 0.03) 100%);
    pointer-events: none;
    z-index: 9999;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.gap-2 {
    gap: 8px;
}

.gap-4 {
    gap: 16px;
}

.grid {
    display: grid;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(250, 250, 250, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 20px;
    font-family: 'Space Grotesk', sans-serif;
}

/* Browserbase-style "Cube" Logo */
.logo-icon {
    width: 24px;
    height: 24px;
    background: var(--primary);
    border: 2px solid var(--border);
    box-shadow: 2px 2px 0 var(--border);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-weight: 500;
    font-size: 14px;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary);
    text-decoration: underline;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Inter', sans-serif;
}

.btn-primary {
    background: var(--primary);
    color: #FFF;
    border: 1px solid var(--border);
    box-shadow: 3px 3px 0 var(--border);
}

.btn-primary:hover {
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0 var(--border);
    background: var(--primary-hover);
}

.btn-primary:active {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0 var(--border);
}

.btn-secondary {
    background: #FFF;
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: 3px 3px 0 var(--border);
}

.btn-secondary:hover {
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0 var(--border);
    background: var(--gray-light);
}

.btn-secondary:active {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0 var(--border);
}

/* Hero Section */
.hero {
    padding-top: 140px;
    padding-bottom: 100px;
    position: relative;
    border-bottom: 1px solid var(--border);
    background: white;
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: white;
    border: 1px solid var(--border);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 24px;
    box-shadow: 2px 2px 0 var(--border);
    letter-spacing: 0.05em;
}

.hero h1 {
    font-size: clamp(48px, 6vw, 72px);
    margin-bottom: 24px;
    line-height: 1;
}

.hero p {
    font-size: 20px;
    color: #444;
    max-width: 600px;
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-visual {
    margin-top: 60px;
    border: 1px solid var(--border);
    background: white;
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 8px 8px 0 var(--border);
    overflow: hidden;
}

/* Grid animation for visual */
.visual-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.5;
}

.visual-element {
    width: 100px;
    height: 100px;
    background: var(--primary);
    border: 2px solid var(--border);
    box-shadow: 4px 4px 0 var(--border);
    animation: bounce 3s infinite ease-in-out;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* Section Common */
.section {
    padding: 100px 0;
    border-bottom: 1px solid var(--border);
}

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

.section-header h2 {
    font-size: 48px;
    margin-bottom: 16px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 0;
    /* No gap, borders will overlap */
    border: 1px solid var(--border);
    background: white;
}

.feature-card {
    padding: 40px;
    border: 1px solid var(--border);
    margin: -1px 0 0 -1px;
    /* Overlap borders */
    transition: background 0.2s;
}

.feature-card:hover {
    background: var(--gray-light);
    z-index: 1;
    position: relative;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: white;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    box-shadow: 4px 4px 0 var(--border);
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.feature-card p {
    color: #666;
    font-size: 16px;
}

/* Stats Section */
.stats {
    background: var(--text);
    color: white;
}

.stats h2,
.stats p {
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
    text-align: center;
}

.stat-number {
    font-size: 64px;
    font-weight: 800;
    color: var(--primary);
    font-family: 'Space Grotesk', sans-serif;
    display: block;
    line-height: 1;
    margin-bottom: 8px;
}

/* Footer */
footer {
    padding: 80px 0 40px;
    background: white;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 80px;
}

.footer h5 {
    font-size: 16px;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: #666;
    font-size: 14px;
}

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

/* Form */
.access-group {
    background: white;
    border: 1px solid var(--border);
    padding: 60px;
    box-shadow: 12px 12px 0 var(--border);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    background: white;
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    transition: all 0.2s;
    border-radius: 0;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 4px 4px 0 var(--border);
}

/* Mobile */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 40px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.product-card {
    background: white;
    border: 1px solid var(--border);
    padding: 32px;
    box-shadow: 8px 8px 0 var(--border);
    transition: transform 0.2s;
    position: relative;
}

.product-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 12px 12px 0 var(--border);
}

.product-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary);
    color: white;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 4px 8px;
    border: 1px solid var(--border);
}

.product-badge.soon {
    background: var(--text);
}

.product-icon {
    width: 60px;
    height: 60px;
    background: var(--gray-light);
    border: 1px solid var(--border);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-features {
    margin: 24px 0;
    font-size: 14px;
}

.product-features li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
    color: #555;
}

.product-features li::before {
    content: "■";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-size: 10px;
    top: 4px;
}

/* Detailed Features / Why Section */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.why-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    border-left: 3px solid var(--primary);
    padding-left: 12px;
}

.why-card p {
    color: #666;
    font-size: 15px;
    line-height: 1.6;
}

/* Themes Preview */
.themes-section {
    background: var(--text);
    color: white;
    text-align: center;
}

.themes-section h2 {
    color: white;
}

.themes-section p {
    color: #ccc;
}

.themes-row {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.theme-pill {
    padding: 10px 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    font-family: 'JetBrains Mono', monospace;
    transition: all 0.2s;
    background: transparent;
    color: white;
}

.theme-pill:hover,
.theme-pill.active {
    background: white;
    color: black;
    border-color: white;
    transform: translateY(-2px);
    box-shadow: 4px 4px 0 var(--primary);
}

/* FAQ */
.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    border: 1px solid var(--border);
    background: white;
}

.faq-question {
    padding: 20px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
}

.faq-question:hover {
    background: var(--gray-light);
}

.faq-toggle {
    font-family: monospace;
    font-size: 20px;
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s;
    border-top: 1px solid transparent;
}

.faq-item.open .faq-answer {
    padding: 20px;
    max-height: 200px;
    border-top: 1px solid var(--border);
}

.faq-item.open .faq-toggle {
    transform: rotate(45deg);
}