@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --text-primary: #000000;
    --text-secondary: #4a4a4a;
    --text-muted: #888888;
    --accent: #000000;
    --accent-soft: rgba(0, 0, 0, 0.05);
    --border: rgba(0, 0, 0, 0.08);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --container-max: 1440px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --space-grey: #555555;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    text-wrap: balance;
}

/* Layout */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 120px 0;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: transparent;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

header.scrolled {
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding: 12px 0;
}

.logo-white {
    color: white;
}

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

.logo {
    font-size: 1.1rem;
    font-weight: 800;
    text-decoration: none;
    color: white;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.02em;
}

.logo-white {
    color: white !important;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.nav-cta {
    background: white;
    color: black;
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    text-transform: uppercase;
}

.nav-cta:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

.process-header-label {
    text-transform: uppercase; 
    letter-spacing: 0.1em; 
    color: white; 
    font-weight: 700; 
    margin-bottom: 16px;
}

.btn-ghost {
    background: transparent;
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    padding: 14px 28px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    transition: var(--transition);
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
}

.btn-ghost:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
}

.btn-solid {
    background: white;
    color: black;
    padding: 14px 28px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    transition: var(--transition);
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
}

.btn-solid:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

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

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: center;
}

.hero-content {
    max-width: 700px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--accent-soft);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 32px;
}

.hero h1 {
    font-size: clamp(3rem, 6vw, 5rem);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 48px;
    max-width: 550px;
}

.hero-subtitle p + p {
    margin-top: 16px;
}

.hero-visual {
    position: relative;
}

.hero-image {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: 0 40px 100px rgba(0,0,0,0.1);
}

/* Numbers/Sections from Screenshot */
.section-number {
    width: 32px;
    height: 32px;
    background: var(--text-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 24px;
}

/* About Section Header */
.about-header {
    display: grid;
    grid-template-columns: 1.8fr 1.2fr;
    gap: 80px;
    align-items: flex-start;
    margin-bottom: 60px;
}

.about-header-text {
    max-width: none;
}

.about-header-screenshots {
    position: relative;
    height: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.browser-mockup {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.12);
    overflow: hidden;
    position: absolute;
    border: 1px solid rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    width: 72%;
    transition: var(--transition);
}

.browser-mockup:hover {
    transform: translateY(-10px) scale(1.02);
    z-index: 10 !important;
    box-shadow: 0 40px 80px rgba(0,0,0,0.18);
}

.browser-toolbar {
    height: 14px;
    background: #f1f3f5;
    display: flex;
    align-items: center;
    padding: 0 10px;
    gap: 6px;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    flex-shrink: 0;
}

.browser-actions {
    display: flex;
    gap: 4px;
    align-items: center;
}

.browser-action-dot {
    width: 4px;
    height: 4px;
    background: rgba(0,0,0,0.15);
    border-radius: 50%;
}

.browser-address-bar {
    flex: 1;
    background: #fff;
    height: 22px;
    border-radius: 4px;
    border: 1px solid rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    padding: 0 10px;
    font-size: 10px;
    color: rgba(0,0,0,0.4);
    font-family: monospace;
}

.browser-content img {
    display: block;
    width: 100%;
    height: auto;
    image-rendering: -webkit-optimize-contrast;
}

.screenshot-back {
    top: 0;
    left: 0;
    z-index: 1;
}

.screenshot-front {
    bottom: 20px;
    right: 0;
    z-index: 2;
}

@media (max-width: 992px) {
    .about-header {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .about-header-text {
        margin: 0 auto;
    }
    .about-header-screenshots {
        height: 320px;
        width: 100%;
        max-width: 450px;
        margin: 40px auto 0;
    }
    .browser-mockup {
        width: 78%;
    }
}

/* Work Grid */
.work-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    column-gap: 32px;
    row-gap: 0;
}

.work-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border);
    box-shadow: 0 4px 0 rgba(0,0,0,0.02), 0 15px 35px rgba(0,0,0,0.05);
    grid-row: span 2;
    display: grid;
    grid-template-rows: subgrid;
}

.work-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 0 rgba(0,0,0,0.02), 0 30px 60px rgba(0,0,0,0.08);
}

.work-card-full {
    grid-column: 1 / -1;
    margin-top: 32px;
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    background: transparent;
}

.work-card-full-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 56px 32px;
    gap: 12px;
}

.work-card-full-q {
    font-size: 5rem;
    font-weight: 900;
    color: rgba(0,0,0,0.18);
    line-height: 1;
    letter-spacing: -0.05em;
}

.work-card-full-text {
    font-family: 'Georgia', serif;
    font-style: italic;
    font-size: 1.25rem;
    color: var(--text-muted);
}

.work-card:hover .work-img-wrapper img {
    transform: scale(1.05);
}

.work-img-wrapper {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: #eee;
}

.work-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.work-info {
    padding: 32px;
    display: grid;
    grid-template-rows: subgrid;
    grid-row: 1 / span 2;
    align-content: start;
}

.work-content {
    /* content row - grows to fill row 1 */
}

.work-title {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.work-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding-top: 24px;
    padding-bottom: 32px;
    border-top: 1px solid var(--border);
    align-self: start;
}

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

.stat-num {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--space-grey);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 0.05em;
}

.agent-banner {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: #f1f3f5;
    padding: 20px;
    border-radius: var(--radius-md);
    box-shadow: 0 3px 0 rgba(0,0,0,0.05), 0 10px 20px rgba(0,0,0,0.03);
}

.agent-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    margin-top: 2px;
}

.agent-info p {
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-primary);
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    padding: 48px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 24px;
}

/* Social Proof */
.social-proof {
    padding: 60px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.logo-track {
    display: flex;
    justify-content: space-between;
    align-items: center;
    opacity: 0.5;
}

/* Footer */
footer {
    padding: 80px 0;
    background: #000;
    color: white;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Hero Dark */
.hero-dark {
    min-height: 100vh;
    background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.8)), url('assets/circuit_bg.png');
    background-size: cover;
    background-position: center;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 80px;
    position: relative;
}

.hero-dark h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: 24px;
    max-width: 900px;
}

.hero-dark .hero-subtitle {
    color: rgba(255,255,255,0.8);
    font-size: 1.15rem;
    max-width: 800px;
}

.hero-list {
    list-style: none;
    margin-top: 25px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hero-list li {
    position: relative;
    padding-left: 32px;
    font-size: 1.1rem;
    line-height: 1.5;
    color: rgba(255,255,255,0.9);
}

.hero-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    width: 10px;
    height: 10px;
    border: 1.5px solid rgba(255,255,255,0.6);
    background: rgba(255,255,255,0.1);
    box-shadow: 
        0 3px 0 rgba(0,0,0,0.3),    /* The 'foundation' edge */
        0 5px 12px rgba(0,0,0,0.4); /* The ground shadow */
    transition: var(--transition);
}

.hero-list li:hover::before {
    border-color: white;
    transform: translateY(-2px);
    box-shadow: 
        0 5px 0 rgba(0,0,0,0.4),
        0 8px 15px rgba(0,0,0,0.5);
}

.card-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 16px 0 20px;
    padding: 0;
}

.card-list li {
    position: relative;
    padding-left: 20px;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.card-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.about-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-list li {
    position: relative;
    padding-left: 28px;
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.about-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}

.hero-trusted {
    padding: 40px 0;
    margin-top: 60px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-trusted p {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255,255,255,0.5);
    margin-bottom: 24px;
}

.hero-logos {
    display: flex;
    justify-content: space-between;
    align-items: center;
    opacity: 0.7;
    flex-wrap: wrap;
    gap: 24px;
}

.hero-logos img {
    height: 24px;
    filter: brightness(0) invert(1);
}

@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content {
        margin: 0 auto;
    }
    .work-grid {
        grid-template-columns: 1fr;
    }
    .feature-grid {
        grid-template-columns: 1fr;
    }
    .hero-dark {
        text-align: center;
        min-height: auto;
    }
    .hero-list {
        text-align: left;
    }
    .hero-dark .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-logos {
        justify-content: center;
    }
}

/* Process Section (1/2/3 Steps) */
.process-section {
    padding: 120px 0;
    background-image: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.9)), url('assets/circuit_bg.png');
    background-size: cover;
    background-position: center;
    color: white;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 80px;
}

.process-step {
    display: block;
    text-align: left;
    background: rgba(255,255,255,0.05);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
    box-shadow: 0 4px 0 rgba(0,0,0,0.3), 0 15px 35px rgba(0,0,0,0.4);
}

.process-step:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-5px);
    box-shadow: 0 8px 0 rgba(0,0,0,0.4), 0 25px 50px rgba(0,0,0,0.6);
}

.process-content {
    max-width: 500px;
}

.step-num {
    width: 48px;
    height: 48px;
    background: white;
    color: black;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.25rem;
    border-radius: 4px;
    margin-bottom: 32px;
}

.process-step h3 {
    font-size: 1.75rem;
    margin-bottom: 20px;
}

.process-step p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
    margin-bottom: 32px;
}

.process-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.process-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.9);
}

.process-list li::before {
    content: "✓";
    color: white;
    font-weight: bold;
}

.process-image {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: 0 40px 100px rgba(0,0,0,0.5);
}

@media (max-width: 992px) {
    .process-step {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    .process-step.reverse {
        direction: ltr;
    }
    .process-content {
        margin: 0 auto;
    }
    .step-num {
        margin: 0 auto 32px;
    }
    .process-list {
        align-items: center;
    }
}
/* Pricing Section */
.pricing-section {
    padding: 120px 0;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.pricing-header {
    margin-bottom: 64px;
    text-align: center;
}

.pricing-header h2 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 16px;
}

.pricing-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.pricing-card-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: block;
}

/* Platform card */
.platform-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 6px rgba(0,0,0,0.02), 0 20px 40px rgba(0,0,0,0.04);
    padding: 64px;
    margin-bottom: 40px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.platform-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-bottom: 1px solid var(--border);
    padding-bottom: 32px;
}

.platform-left {
    display: flex;
    flex-direction: column;
}

.platform-price {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    color: #000;
}

.platform-price span {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0;
}

.platform-main {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 80px;
}

.platform-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.platform-features li {
    font-size: 1.05rem;
    line-height: 1.5;
    color: var(--text-secondary);
    padding-left: 28px;
    position: relative;
}

.platform-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #000;
    font-weight: bold;
}

.platform-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.p-stat {
    background: #f8f9fa;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.p-stat strong {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1;
    color: #000;
}

.p-stat span {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.config-tier {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.config-price {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
    color: #000;
}

.config-price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.config-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-top: 4px;
}

.config-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 6px;
}

.impl-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.pricing-grid-2x2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.impl-option {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    padding: 48px;
    display: flex;
    flex-direction: column;
    gap: 40px;
    transition: var(--transition);
}

.impl-option:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
}

.impl-option-featured {
    border: 1px solid #000;
    box-shadow: 0 40px 80px rgba(0,0,0,0.08);
    position: relative;
}

.best-value-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    background: #4ade80;
    color: #000;
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.impl-option-top {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.impl-option-price {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
}

.impl-option-price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0;
}

.impl-option-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.impl-feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    border-top: 1px solid var(--border);
    padding-top: 28px;
}

.impl-feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.impl-feature-list svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-top: 1px;
    color: var(--text-primary);
}

.impl-feature-highlight {
    font-weight: 600;
    color: var(--text-primary) !important;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    margin-top: 4px;
}

@media (max-width: 992px) {
    .platform-card {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .impl-cards {
        grid-template-columns: 1fr;
    }
}