/* =============================================
   RayMarTech Corporate Site — Shared Styles
   Pure static CSS, no preprocessors needed
   ============================================= */

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

:root {
    --primary: #0f4c81;
    --primary-light: #1a6bb5;
    --primary-dark: #0a3560;
    --accent: #00b4d8;
    --accent-light: #48cae4;
    --dark: #1a1a2e;
    --gray-900: #212529;
    --gray-700: #495057;
    --gray-500: #6c757d;
    --gray-300: #dee2e6;
    --gray-100: #f8f9fa;
    --white: #ffffff;
    --success: #2ecc71;
    --warning: #f39c12;
    --radius: 8px;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --transition: 0.25s ease;
    --max-width: 1200px;
}

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
    color: var(--gray-900);
    line-height: 1.6;
    background: var(--white);
}

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

img { max-width: 100%; height: auto; }

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

/* ===== Navigation ===== */

.site-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--white);
    border-bottom: 1px solid var(--gray-300);
    padding: 0 24px;
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 140px;
}

.nav-logo {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
}
.nav-logo span { color: var(--accent); }

.nav-links { display: flex; gap: 32px; list-style: none; align-items: center; }
.nav-links a {
    color: var(--gray-700);
    font-size: 15px;
    font-weight: 500;
    padding: 4px 0;
    position: relative;
}
.nav-links a:hover,
.nav-links a.active { color: var(--primary); }
.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

.nav-cta {
    background: var(--primary);
    color: var(--white) !important;
    padding: 8px 20px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 14px;
    transition: background var(--transition);
}
.nav-cta:hover { background: var(--primary-light); color: var(--white) !important; }

.nav-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--gray-700); }

/* ===== Hero ===== */

.hero {
    padding: 80px 24px;
    text-align: center;
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.hero h1 {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero p {
    font-size: clamp(16px, 2.5vw, 20px);
    color: rgba(255,255,255,0.8);
    max-width: 640px;
    margin: 0 auto 36px;
    line-height: 1.6;
}

.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    text-align: center;
}

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

.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.4); }
.btn-outline:hover { border-color: var(--white); color: var(--white); }

.btn-dark { background: var(--primary); color: var(--white); }
.btn-dark:hover { background: var(--primary-light); color: var(--white); }

/* ===== Sections ===== */

.section { padding: 80px 24px; }
.section-alt { background: var(--gray-100); }

.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-header h2 {
    font-size: clamp(26px, 3.5vw, 36px);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}
.section-header p {
    font-size: 17px;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    margin-bottom: 8px;
}

/* ===== Product Cards ===== */

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.product-card {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 12px;
    padding: 36px 28px;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
    transform: translateY(-4px);
}

.product-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
}

.product-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.product-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 3px 10px;
    border-radius: 20px;
    margin-bottom: 16px;
}
.badge-available { background: #d4edda; color: #155724; }
.badge-coming { background: #fff3cd; color: #856404; }

.product-card p {
    color: var(--gray-500);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.product-card .btn { align-self: flex-start; }

/* ===== Feature List ===== */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--gray-100);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.feature-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--gray-900);
}

.feature-item p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.5;
}

/* ===== Stats Bar ===== */

.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}

.stat-item h3 {
    font-size: 36px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 4px;
}

.stat-item p {
    font-size: 14px;
    color: var(--gray-500);
    font-weight: 500;
}

/* ===== About / Company ===== */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
}

.about-text h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.about-text p {
    font-size: 16px;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 16px;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.value-item {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}

.value-item .icon { font-size: 28px; margin-bottom: 8px; }
.value-item h4 { font-size: 15px; font-weight: 600; color: var(--gray-900); }
.value-item p { font-size: 13px; color: var(--gray-500); margin-top: 4px; }

/* ===== CTA Section ===== */

.cta-section {
    padding: 80px 24px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.cta-section h2 {
    font-size: clamp(26px, 3.5vw, 36px);
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 17px;
    color: rgba(255,255,255,0.8);
    max-width: 540px;
    margin: 0 auto 32px;
}

/* ===== Footer ===== */

.site-footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 48px 24px 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    max-width: var(--max-width);
    margin: 0 auto 32px;
}

.footer-brand h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}
.footer-brand h3 span { color: var(--accent); }
.footer-brand p { font-size: 14px; line-height: 1.6; }

.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col a {
    display: block;
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    padding: 4px 0;
}
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
    max-width: var(--max-width);
    margin: 0 auto;
}

/* ===== Product Page Specific ===== */

.product-hero {
    padding: 60px 24px;
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
}

.product-hero h1 {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    margin-bottom: 16px;
}

.product-hero p {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    max-width: 600px;
    margin: 0 auto 28px;
}

/* Pricing */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: 12px;
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition);
    position: relative;
}
.pricing-card:hover { border-color: var(--accent); }
.pricing-card.featured { border-color: var(--accent); }
.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--white);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.pricing-price { font-size: 40px; font-weight: 800; color: var(--primary); margin: 12px 0; }
.pricing-price span { font-size: 16px; font-weight: 400; color: var(--gray-500); }

.pricing-features {
    list-style: none;
    text-align: left;
    margin: 20px 0;
    font-size: 14px;
}
.pricing-features li {
    padding: 6px 0;
    color: var(--gray-700);
}
.pricing-features li::before {
    content: '✓ ';
    color: var(--success);
    font-weight: 700;
}

/* Architecture diagram */

.arch-diagram {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 12px;
    padding: 40px;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.8;
    color: var(--gray-700);
    white-space: pre;
    overflow-x: auto;
}

/* ===== Responsive ===== */

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 140px;
        left: 0;
        right: 0;
        background: var(--white);
        border-bottom: 1px solid var(--gray-300);
        padding: 16px 24px;
        gap: 12px;
        box-shadow: var(--shadow);
    }
    .nav-toggle { display: block; }

    .hero { padding: 48px 24px; }
    .section { padding: 48px 24px; }

    .about-grid { grid-template-columns: 1fr; gap: 32px; }
    .about-values { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }

    .product-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; }
    .stats-bar { grid-template-columns: 1fr 1fr; }
}