/* ===================================
   Sovereign Pine - Landing Page Styles
   =================================== */

/* CSS Custom Properties */
:root {
    /* Primary Colors - extracted from logo */
    --color-primary: #1a4b6e;
    --color-primary-dark: #0f2d42;
    --color-primary-light: #2d6a8a;
    --color-accent: #4a90b8;
    --color-accent-light: #7ab8d9;
    
    /* Neutrals */
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Other */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-100);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
}

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

.nav-links a {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-600);
}

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

.nav-cta {
    background: var(--color-primary);
    color: var(--color-white) !important;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
}

.nav-cta:hover {
    background: var(--color-primary-dark);
    color: var(--color-white) !important;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

/* Hero Section */
.hero {
    padding-top: calc(80px + var(--spacing-4xl));
    padding-bottom: var(--spacing-4xl);
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-graphic {
    width: 100%;
    max-width: 450px;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    opacity: 0.1;
    position: relative;
}

.hero-graphic::before {
    content: '';
    position: absolute;
    top: 10%;
    left: 10%;
    right: 10%;
    bottom: 10%;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    opacity: 0.3;
}

.hero-graphic::after {
    content: '';
    position: absolute;
    top: 25%;
    left: 25%;
    right: 25%;
    bottom: 25%;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    border-radius: 50%;
    opacity: 0.5;
}

/* Services Section */
.services {
    padding: var(--spacing-4xl) 0;
    background: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
}

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

.service-card {
    padding: var(--spacing-2xl);
    background: var(--color-gray-50);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

.service-card:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.service-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* About Section */
.about {
    padding: var(--spacing-4xl) 0;
    background: var(--color-gray-50);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

.about-text h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
}

.about-lead {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.about-text p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.value {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.value-number {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-accent);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.value-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.value-content p {
    color: var(--color-gray-500);
    margin: 0;
}

/* Contact Section */
.contact {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-text h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.contact-text p {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-2xl);
}

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

.contact-action .btn:hover {
    background: var(--color-gray-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Footer */
.footer {
    padding: var(--spacing-2xl) 0;
    background: var(--color-gray-900);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--color-white);
    font-weight: 500;
}

.footer-logo-img {
    height: 32px;
    width: auto;
}

.footer-copy {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-visual {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.25rem;
        --font-size-4xl: 1.875rem;
        --font-size-3xl: 1.5rem;
    }
    
    .nav-links a:not(.nav-cta) {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding-top: calc(80px + var(--spacing-2xl));
        padding-bottom: var(--spacing-2xl);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

/* Subtle Animations */
@media (prefers-reduced-motion: no-preference) {
    .service-card,
    .btn,
    .value {
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .hero-graphic {
        animation: pulse 4s ease-in-out infinite;
    }
    
    @keyframes pulse {
        0%, 100% {
            transform: scale(1);
            opacity: 0.1;
        }
        50% {
            transform: scale(1.05);
            opacity: 0.15;
        }
    }
}