/*
Theme Name: CR30-15DP B2B Informative
Author: Antigravity UI/UX
Description: Professional, density-focused B2B landing page
Version: 4.0
*/

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
    /* Brand Colors */
    --brand-orange: #FF6B00;
    --brand-orange-hover: #E66000;
    --brand-dark: #1E293B;
    /* Slate 800 */

    /* Backgrounds */
    --bg-page: #F8FAFC;
    /* Slate 50 */
    --bg-surface: #FFFFFF;
    --bg-alt: #F1F5F9;
    /* Slate 100 */

    /* Text */
    --text-primary: #0F172A;
    /* Slate 900 */
    --text-secondary: #475569;
    /* Slate 600 */
    --text-tertiary: #94A3B8;
    /* Slate 400 */

    /* Borders & Accents */
    --border-color: #E2E8F0;
    /* Slate 200 */
    --border-strong: #CBD5E1;
    /* Slate 300 */
    --accent-blue: #0369A1;
    /* Sky 700 - for links */

    /* Layout */
    --header-height: 64px;
    --container-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: 'IBM Plex Sans', sans-serif;
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.mono {
    font-family: 'JetBrains Mono', monospace;
}

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

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--brand-orange);
}

/* Base Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
    font-size: 14px;
}

.btn-primary {
    background-color: var(--brand-orange);
    color: #FFFFFF;
}

.btn-primary:hover {
    background-color: var(--brand-orange-hover);
    color: #FFFFFF;
}

.btn-outline {
    background-color: transparent;
    border-color: var(--border-strong);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--brand-orange);
    color: var(--brand-orange);
}

/* Header & Sticky Nav */
header {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo-wrap {
    display: flex;
    align-items: center;
    gap: 32px;
}

.logo {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--brand-dark);
}

.logo span {
    color: var(--brand-orange);
}

.nav-menu {
    display: flex;
    gap: 24px;
    list-style: none;
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
    padding: 8px 0;
    white-space: nowrap;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--brand-orange);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.phone-link {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 15px;
}

/* Sections Common */
section {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-surface);
}

section:nth-of-type(even) {
    background: var(--bg-page);
}

.section-title {
    font-size: 28px;
    margin-bottom: 40px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--brand-orange);
    display: inline-block;
}

/* Product Hero */
.hero {
    padding: 60px 0;
    background: var(--bg-surface);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.product-gallery {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-page);
}

.main-image {
    width: 100%;
    height: 400px;
    object-fit: contain;
    background: #fff;
    padding: 24px;
}

.thumbnails {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--border-color);
}

.thumb {
    height: 100px;
    object-fit: cover;
    border-right: 1px solid var(--border-color);
    cursor: pointer;
    background: #fff;
}

.thumb:last-child {
    border-right: none;
}

.product-info h1 {
    font-size: 36px;
    margin-bottom: 8px;
}

.product-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--text-secondary);
}

.sku {
    background: var(--bg-alt);
    padding: 4px 8px;
    border-radius: 4px;
    color: var(--text-primary);
    font-weight: 500;
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #16A34A;
    /* Green 600 */
    font-weight: 500;
}

.status-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #16A34A;
    border-radius: 50%;
}

.product-desc {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.key-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 40px;
}

.spec-item {
    border-left: 3px solid var(--brand-orange);
    padding-left: 12px;
}

.spec-item label {
    display: block;
    font-size: 12px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    font-weight: 600;
}

.spec-item span {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.action-bar {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--bg-alt);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* Tech Specs Table */
.specs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.specs-table th,
.specs-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.specs-table th {
    width: 30%;
    color: var(--text-secondary);
    font-weight: 600;
    background: var(--bg-alt);
}

.specs-table tr:hover td {
    background: var(--bg-page);
}

/* Diagrams Section */
.diagrams-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.diagram-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    padding: 24px;
}

.diagram-card h3 {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.diagram-placeholder {
    width: 100%;
    min-height: 300px;
    background: var(--bg-alt);
    border: 1px dashed var(--border-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    position: relative;
}

/* Documentation Cards */
.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin-top: 40px;
}

.doc-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-surface);
    transition: all 0.2s;
    text-decoration: none;
    color: var(--text-primary);
}

.doc-card:hover {
    border-color: var(--brand-orange);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    background: var(--bg-alt);
}

.doc-icon {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    background: var(--bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.doc-card:hover .doc-icon {
    color: var(--brand-orange);
    background: rgba(255, 107, 0, 0.1);
}

.doc-info {
    display: flex;
    flex-direction: column;
}

.doc-title {
    font-weight: 600;
    font-size: 14px;
    line-height: 1.3;
}

.doc-meta {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 4px;
    font-family: 'JetBrains Mono', monospace;
}


/* Form Section */
section.order-section,
section:nth-of-type(even).order-section {
    background: var(--brand-dark);
    color: #fff;
}

section.order-section .section-title {
    color: #fff;
}

.order-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.contact-info p {
    color: var(--text-tertiary);
    margin-bottom: 24px;
}

.contact-list {
    list-style: none;
    margin-bottom: 32px;
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 18px;
}

.contact-list svg {
    color: var(--brand-orange);
}

.b2b-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 32px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.b2b-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.b2b-form-grid .form-group {
    margin-bottom: 0;
}

.b2b-form-grid .full-width {
    grid-column: 1 / -1;
}

@media (max-width: 640px) {
    .b2b-form-grid {
        grid-template-columns: 1fr;
    }
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--text-tertiary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 15px;
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--brand-orange);
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.capture-form-grid {
    display: flex;
    gap: 16px;
    align-items: flex-end;
}

.capture-form-grid .form-group {
    flex: 1;
    margin-bottom: 0;
}

.capture-form-grid .submit-wrap {
    flex: 0 0 auto;
}

@media (max-width: 640px) {
    .capture-form-grid {
        flex-direction: column;
        align-items: stretch;
    }

    .capture-form-grid .btn {
        width: 100%;
    }
}


/* Footer */
footer {
    background: #0F172A;
    color: var(--text-tertiary);
    padding: 40px 0;
    font-size: 13px;
}

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

@media (max-width: 1024px) {

    .hero-grid,
    .diagrams-grid,
    .order-grid {
        grid-template-columns: 1fr;
    }

    .nav-menu {
        display: none;
        /* simple mobile approach */
    }
}