/* Design System - WCfafosisot.com (Minimalist Modern) */

:root {
    --bg-dark: #1c1917; /* Charcoal */
    --bg-light: #fafaf9; /* Warm White */
    --white: #ffffff;
    --text-dark: #1c1917;
    --text-muted: #78716c;
    --border-color: #e7e5e4;
    --font-heading: 'Cabinet Grotesk', 'Inter', sans-serif;
    --font-sans: 'Inter', sans-serif;
    --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
}

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

/* Header */
.header {
    background-color: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 24px;
    letter-spacing: -0.5px;
}

.logo-mark {
    font-size: 14px;
    vertical-align: super;
}

.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-weight: 500;
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-dark {
    background-color: var(--bg-dark);
    color: var(--bg-light);
}

.btn-dark:hover {
    background-color: #292524;
}

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

.btn-outline:hover {
    background-color: var(--text-dark);
    color: var(--bg-light);
}

/* Hero Section */
.hero {
    padding: 120px 0;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--white);
}

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

.tech-tag {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 52px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.hero-content p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* Patent Visual Grid */
.hero-visual {
    display: flex;
    justify-content: center;
}

.patent-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    width: 100%;
    max-width: 320px;
}

.patent-item {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    padding: 24px;
    text-align: center;
}

.patent-item .p-num {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: var(--text-dark);
    display: block;
    margin-bottom: 12px;
}

.patent-item h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 6px;
}

.patent-item .p-status {
    font-size: 12px;
    color: var(--text-muted);
}

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

.bg-light {
    background-color: var(--bg-light);
}

.bg-dark {
    background-color: var(--bg-dark);
    color: var(--bg-light);
}

.section-header {
    margin-bottom: 64px;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-muted);
}

/* Services */
.services-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.service-block {
    border-top: 1px solid var(--border-color);
    padding-top: 32px;
}

.service-block h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
}

.service-block p {
    color: var(--text-muted);
    font-size: 15px;
    max-width: 800px;
}

/* Timeline */
.timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.timeline-step {
    position: relative;
}

.timeline-step .step-index {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    color: var(--border-color);
    display: block;
    margin-bottom: 16px;
}

.timeline-step h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
}

.timeline-step p {
    font-size: 13px;
    color: var(--text-muted);
}

/* Legislation bg-dark */
.leg-content {
    max-width: 800px;
}

.leg-content h2 {
    font-family: var(--font-heading);
    font-size: 36px;
    margin-bottom: 24px;
}

.leg-content p {
    font-size: 18px;
    color: #a8a29e;
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
}

.contact-form-container h3,
.contact-info h3 {
    font-family: var(--font-heading);
    font-size: 28px;
    margin-bottom: 16px;
}

.contact-form-container p {
    color: var(--text-muted);
    margin-bottom: 32px;
    font-size: 15px;
}

.ip-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    padding: 12px;
    border: 1px solid var(--border-color);
    font-family: var(--font-sans);
    font-size: 14px;
    background-color: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-dark);
}

.contact-info p {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    font-size: 14px;
}

/* Footer */
.footer {
    padding: 60px 0;
    background-color: var(--white);
}

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

.footer-logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 18px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    margin-left: 24px;
}

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

/* Responsive */
@media (max-width: 900px) {
    .hero-container,
    .timeline,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-container {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
    .footer-links a {
        margin: 0 12px;
    }
}