/* ============================================
   West Coast Drift - Minimal & Clean Design
   ============================================ */

/* CSS Variables */
:root {
    --color-bg: #FAFAFA;
    --color-bg-alt: #F5F5F5;
    --color-text: #1A1A1A;
    --color-text-muted: #6B6B6B;
    --color-text-light: #9A9A9A;
    --color-accent: #2C2C2C;
    --color-border: #E5E5E5;
    --color-white: #FFFFFF;

    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    --max-width: 1200px;
    --transition: 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    font-weight: 300;
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.7;
    letter-spacing: 0.01em;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
}

h3 {
    font-size: 1.25rem;
    font-family: var(--font-sans);
    font-weight: 500;
}

h4 {
    font-size: 1rem;
    font-family: var(--font-sans);
    font-weight: 500;
}

p {
    max-width: 60ch;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.section-eyebrow {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.section-header {
    margin-bottom: var(--spacing-lg);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(250, 250, 250, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-links a {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    transition: color var(--transition);
}

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

.nav-cta {
    padding: 0.625rem 1.25rem;
    background: var(--color-accent);
    color: var(--color-white) !important;
    border-radius: 2px;
}

.nav-cta:hover {
    background: var(--color-text);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 1px;
    background: var(--color-text);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-xl) 0;
    padding-top: calc(var(--spacing-xl) + 60px);
}

.hero-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.hero-eyebrow {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.hero h1 {
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 50ch;
    margin-bottom: var(--spacing-lg);
}

/* Buttons */
.btn {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    padding: 1rem 2rem;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--transition);
}

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

.btn-primary:hover {
    background: var(--color-text);
    transform: translateY(-1px);
}

/* Services Section */
.services {
    padding: var(--spacing-xl) 0;
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.service-card {
    padding: var(--spacing-md) 0;
}

.service-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-muted);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

/* Approach Section */
.approach {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

.approach-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.approach-text h2 {
    margin-bottom: var(--spacing-md);
}

.approach-text p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.approach-values {
    padding-top: var(--spacing-lg);
}

.value {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.value:first-child {
    border-top: 1px solid var(--color-border);
}

.value-number {
    font-size: 0.75rem;
    color: var(--color-text-light);
    letter-spacing: 0.1em;
}

.value h4 {
    margin-bottom: var(--spacing-xs);
}

.value p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Contact Section */
.contact {
    padding: var(--spacing-xl) 0;
    background: var(--color-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.contact-text h2 {
    margin-bottom: var(--spacing-md);
}

.contact-text p {
    color: var(--color-text-muted);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
    font-family: var(--font-sans);
    font-size: 1rem;
    padding: 0.875rem;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    background: var(--color-bg);
    transition: border-color var(--transition);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    padding: var(--spacing-lg) 0 var(--spacing-md);
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.footer-brand .logo {
    display: block;
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    transition: color var(--transition);
}

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

.footer-bottom {
    padding-top: var(--spacing-md);
}

.footer-bottom p {
    font-size: 0.75rem;
    color: var(--color-text-light);
}

/* Responsive */
@media (max-width: 900px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .approach-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .approach-values {
        padding-top: 0;
    }
}

@media (max-width: 600px) {
    :root {
        --spacing-xl: 5rem;
        --spacing-lg: 3rem;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg);
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
        gap: var(--spacing-sm);
        display: none;
    }

    .nav-links.mobile-open {
        display: flex;
    }

    .nav-links a {
        padding: var(--spacing-sm) 0;
    }

    .nav-cta {
        text-align: center;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu-btn.active span:first-child {
        transform: rotate(45deg) translate(4px, 4px);
    }

    .mobile-menu-btn.active span:last-child {
        transform: rotate(-45deg) translate(1px, -1px);
    }

    .mobile-menu-btn span {
        transition: transform var(--transition);
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--spacing-lg) + 80px);
        padding-bottom: var(--spacing-lg);
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* Subtle Animations */
@media (prefers-reduced-motion: no-preference) {
    .service-card,
    .value {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.6s ease forwards;
    }

    .service-card:nth-child(1) { animation-delay: 0.1s; }
    .service-card:nth-child(2) { animation-delay: 0.2s; }
    .service-card:nth-child(3) { animation-delay: 0.3s; }

    .value:nth-child(1) { animation-delay: 0.1s; }
    .value:nth-child(2) { animation-delay: 0.2s; }
    .value:nth-child(3) { animation-delay: 0.3s; }
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}