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

:root {
    --bg-color: #F6F8FB; /* Ice white */
    --text-main: #0A2540; /* Ink navy */
    --text-muted: #5B6B7C; /* Slate */
    --primary-color: #1F5EE9; /* Cobalt */
    --primary-hover: #1646b3; 
    --success-color: #27C493; /* Mint */
    
    --font-heading: 'Sora', sans-serif;
    --font-body: 'Manrope', sans-serif;
    
    --rhythm: 8px;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 calc(var(--rhythm) * 3);
}

/* Hairline dividers */
.header, section {
    border-bottom: 1px solid rgba(10, 37, 64, 0.1);
}

/* Header */
.header {
    background: var(--bg-color);
    padding: calc(var(--rhythm) * 3) 0;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: 1px;
}

.nav {
    display: flex;
    gap: calc(var(--rhythm) * 4);
}

.nav a {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-main);
}

.section-title {
    font-size: 40px;
    margin-bottom: calc(var(--rhythm) * 8);
    font-weight: 800;
    text-align: left;
}

/* Hero Section */
.hero {
    padding: calc(var(--rhythm) * 16) 0 calc(var(--rhythm) * 12);
    text-align: left;
}

.hero-title {
    font-size: 72px;
    line-height: 1.1;
    margin-bottom: calc(var(--rhythm) * 4);
    font-weight: 800;
    max-width: 900px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: calc(var(--rhythm) * 6);
}

.hero-buttons {
    display: flex;
    gap: calc(var(--rhythm) * 3);
    justify-content: flex-start;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: calc(var(--rhythm) * 2) calc(var(--rhythm) * 4);
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    text-align: center;
    cursor: pointer;
    border: none;
    /* Sharp geometric edges */
    border-radius: 0;
}

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

.btn-primary:hover {
    background-color: var(--text-main);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--text-main);
}

.btn-secondary:hover {
    background-color: rgba(10, 37, 64, 0.05);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Cards Grid - Strict Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: calc(var(--rhythm) * 4);
}

/* Flat design, no shadows */
.card {
    background: transparent;
    border: 1px solid rgba(10, 37, 64, 0.1);
    padding: calc(var(--rhythm) * 6);
    text-align: left;
    transition: background-color 0.2s ease;
}

.card:hover {
    background-color: #fff;
}

.card-icon {
    width: 64px;
    height: 64px;
    margin-bottom: calc(var(--rhythm) * 4);
    object-fit: cover;
    filter: grayscale(100%) contrast(1.2);
    border-radius: 0;
}

.card-title {
    font-size: 20px;
    margin-bottom: calc(var(--rhythm) * 2);
    font-weight: 700;
}

.card-text {
    font-size: 16px;
}

/* Sections */
section {
    padding: calc(var(--rhythm) * 12) 0;
}

/* AI Card */
.ai-card {
    border: 1px solid rgba(10, 37, 64, 0.1);
    padding: 0;
    display: flex;
    align-items: stretch;
    background: transparent;
}

.ai-img {
    width: 50%;
    object-fit: cover;
    filter: grayscale(100%);
    border-radius: 0;
}

.ai-text {
    padding: calc(var(--rhythm) * 8);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.ai-text h3 {
    font-size: 32px;
    margin-bottom: calc(var(--rhythm) * 3);
}

/* Pricing */
.pricing-card {
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(10, 37, 64, 0.1);
}

.pricing-title {
    font-family: var(--font-heading);
    font-size: 20px;
    color: var(--text-main);
    margin-bottom: calc(var(--rhythm) * 2);
    font-weight: 700;
    text-transform: uppercase;
}

.price {
    font-family: var(--font-heading);
    font-size: 64px; /* Oversized numeric statistics */
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: calc(var(--rhythm) * 4);
    line-height: 1;
}

.price span {
    font-size: 16px;
    color: var(--text-muted);
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    margin-bottom: calc(var(--rhythm) * 6);
    flex-grow: 1;
    border-top: 1px solid rgba(10, 37, 64, 0.1);
    padding-top: calc(var(--rhythm) * 4);
}

.pricing-features li {
    margin-bottom: calc(var(--rhythm) * 2);
    font-size: 16px;
    position: relative;
    padding-left: calc(var(--rhythm) * 3);
}

.pricing-features li::before {
    content: "■";
    position: absolute;
    left: 0;
    color: var(--success-color); /* Mint color */
    font-size: 10px;
    top: 6px;
}

/* Highlighted pricing column */
.pricing-card.highlight {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.pricing-card.highlight .pricing-title,
.pricing-card.highlight .price,
.pricing-card.highlight .price span,
.pricing-card.highlight .card-text,
.pricing-card.highlight .pricing-features li {
    color: #fff;
}

.pricing-card.highlight .pricing-features {
    border-top-color: rgba(255, 255, 255, 0.2);
}

.pricing-card.highlight .pricing-features li::before {
    color: #fff;
}

.pricing-card.highlight .btn-primary {
    background-color: #fff;
    color: var(--primary-color);
}

.pricing-card.highlight .btn-primary:hover {
    background-color: var(--bg-color);
}

/* Reviews */
.review-card {
    border-left: 4px solid var(--primary-color);
    border-top: none;
    border-right: none;
    border-bottom: none;
    padding: 0 0 0 calc(var(--rhythm) * 3);
    border-radius: 0;
    background: transparent;
}

.review-card:hover {
    background-color: transparent;
}

.review-text {
    font-size: 18px;
    font-style: normal;
    margin-bottom: calc(var(--rhythm) * 3);
    color: var(--text-main);
    line-height: 1.5;
}

.reviewer {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-muted);
    font-size: 14px;
    text-transform: uppercase;
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(10, 37, 64, 0.1);
    padding: calc(var(--rhythm) * 4) 0;
    background: transparent;
    border-radius: 0;
}

.faq-question {
    font-size: 20px;
    margin-bottom: calc(var(--rhythm) * 2);
    font-weight: 700;
}

.faq-answer {
    color: var(--text-muted);
}

/* Footer */
.footer {
    background: var(--bg-color);
    padding: calc(var(--rhythm) * 12) 0 calc(var(--rhythm) * 6);
    border-top: 1px solid rgba(10, 37, 64, 0.1);
    border-radius: 0;
}

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

.footer-links {
    display: flex;
    gap: calc(var(--rhythm) * 4);
    margin: 0;
}

.footer-links a {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-main);
    font-size: 14px;
    text-transform: uppercase;
}

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

.copyright {
    color: var(--text-muted);
    font-size: 14px;
}

/* Mobile */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: calc(var(--rhythm) * 3);
    }
    .nav {
        flex-wrap: wrap;
        gap: calc(var(--rhythm) * 2);
    }
    .hero-title {
        font-size: 48px;
    }
    .hero-buttons {
        flex-direction: column;
    }
    .cards-grid {
        grid-template-columns: 1fr;
    }
    .ai-card {
        flex-direction: column;
    }
    .ai-img {
        width: 100%;
        height: 200px;
    }
    .footer .container {
        flex-direction: column;
        align-items: flex-start;
        gap: calc(var(--rhythm) * 4);
    }
}