/* ============================================
   CSS Variables
   ============================================ */
:root {
    --color-midnight: #0f172a;
    --color-midnight-light: #1e293b;
    --color-midnight-dark: #020617;
    --color-mint: #34d399;
    --color-mint-light: #6ee7b7;
    --color-mint-dark: #059669;
    --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;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --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 -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    
    --transition: all 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);
    color: var(--color-gray-800);
    background-color: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-mint);
    color: var(--color-midnight);
    font-weight: 600;
    border-radius: var(--radius-sm);
    z-index: 100;
    transition: top 0.2s;
}

.skip-link:focus {
    top: var(--space-md);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-midnight);
}

.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-mint-dark);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    max-width: 600px;
    line-height: 1.7;
}

.text-mint {
    color: var(--color-mint-dark);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-mint);
    color: var(--color-midnight);
    border: 2px solid var(--color-mint);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--color-mint-dark);
    border-color: var(--color-mint-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--color-midnight);
    border: 2px solid var(--color-gray-300);
}

.btn-outline:hover,
.btn-outline:focus {
    border-color: var(--color-midnight);
    background: var(--color-midnight);
    color: var(--color-white);
}

.btn-outline-light {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover,
.btn-outline-light:focus {
    background: var(--color-white);
    color: var(--color-midnight);
    border-color: var(--color-white);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ============================================
   Header
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-midnight);
}

.logo-mark {
    width: 40px;
    height: 40px;
    background: var(--color-midnight);
    color: var(--color-mint);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: var(--radius-md);
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.main-nav a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color 0.2s;
}

.main-nav a:hover,
.main-nav a:focus {
    color: var(--color-midnight);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.hamburger {
    width: 24px;
    height: 2px;
    background: var(--color-midnight);
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-midnight);
    transition: var(--transition);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    bottom: -7px;
}

/* ============================================
   Hero
   ============================================ */
.hero {
    padding-top: 120px;
    padding-bottom: var(--space-4xl);
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-content {
    max-width: 560px;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-mint-dark);
    background: rgba(52, 211, 153, 0.1);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    color: var(--color-midnight);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-gray-200);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-midnight);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    background: var(--color-gray-200);
    align-self: stretch;
}

.hero-visual {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background: var(--color-mint);
    border-radius: var(--radius-lg);
    z-index: -1;
}

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

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

.section-header .section-subtitle {
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-xl);
}

.service-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: var(--transition);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(52, 211, 153, 0.1);
    color: var(--color-mint-dark);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.service-desc {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-visual {
    position: relative;
}

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-img-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-img-secondary {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 200px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 4px solid var(--color-white);
}

.about-img-secondary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-accent-box {
    position: absolute;
    top: -20px;
    left: -20px;
    background: var(--color-midnight);
    color: var(--color-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    box-shadow: var(--shadow-lg);
}

.about-accent-box .accent-number {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-mint);
}

.about-accent-box .accent-label {
    font-size: 0.8125rem;
    color: var(--color-gray-400);
}

.about-content {
    max-width: 520px;
}

.about-text {
    font-size: 1rem;
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.about-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.feature-check {
    color: var(--color-mint-dark);
    flex-shrink: 0;
}

/* ============================================
   Why Us
   ============================================ */
.why-us {
    padding: var(--space-4xl) 0;
    background: var(--color-midnight);
}

.why-us .section-eyebrow {
    color: var(--color-mint);
}

.why-us .section-title {
    color: var(--color-white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
}

.why-card {
    background: var(--color-midnight-light);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: var(--transition);
}

.why-card:hover {
    border-color: var(--color-mint);
    transform: translateY(-4px);
}

.why-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    color: rgba(52, 211, 153, 0.2);
    line-height: 1;
    margin-bottom: var(--space-md);
}

.why-title {
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.why-desc {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    line-height: 1.7;
}

/* ============================================
   CTA
   ============================================ */
.cta {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--color-mint-dark) 0%, var(--color-mint) 100%);
    text-align: center;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-midnight);
    margin-bottom: var(--space-md);
}

.cta-subtitle {
    font-size: 1.125rem;
    color: rgba(15, 23, 42, 0.7);
    margin-bottom: var(--space-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Contact
   ============================================ */
.contact {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.contact-desc {
    font-size: 1rem;
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(52, 211, 153, 0.1);
    color: var(--color-mint-dark);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
    margin-bottom: 2px;
}

.contact-value {
    display: block;
    font-size: 1rem;
    color: var(--color-midnight);
    font-weight: 500;
}

.contact-value:hover {
    color: var(--color-mint-dark);
}

.contact-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
}

.form-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--color-gray-800);
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-mint);
    box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-400);
}

.form-success {
    text-align: center;
    padding: var(--space-2xl);
}

.form-success svg {
    color: var(--color-mint-dark);
    margin-bottom: var(--space-md);
}

.form-success h4 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.form-success p {
    color: var(--color-gray-600);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: var(--color-midnight-dark);
    color: var(--color-gray-400);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.footer-desc {
    font-size: 0.9375rem;
    line-height: 1.7;
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a,
.footer-contact a {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    transition: color 0.2s;
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--color-mint);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    font-size: 0.8125rem;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .hero-grid,
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .hero-visual {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .about-img-secondary {
        right: 10px;
        bottom: -20px;
        width: 150px;
    }
    
    .about-accent-box {
        left: 10px;
        top: -10px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
        position: relative;
        z-index: 50;
    }
    
    .nav-toggle[aria-expanded="true"] .hamburger {
        background: transparent;
    }
    
    .nav-toggle[aria-expanded="true"] .hamburger::before {
        transform: rotate(45deg);
        top: 0;
    }
    
    .nav-toggle[aria-expanded="true"] .hamburger::after {
        transform: rotate(-45deg);
        bottom: 0;
    }
    
    .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-white);
        border-bottom: 1px solid var(--color-gray-200);
        padding: var(--space-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }
    
    .main-nav.is-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .main-nav li:last-child {
        width: 100%;
    }
    
    .main-nav li:last-child a {
        justify-content: center;
        width: 100%;
    }
    
    .hero {
        padding-top: 100px;
    }
    
    .hero-stats {
        flex-wrap: wrap;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        justify-content: center;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .about-img-secondary {
        width: 120px;
        right: 5px;
        bottom: -15px;
    }
    
    .about-accent-box {
        padding: var(--space-md);
    }
    
    .about-accent-box .accent-number {
        font-size: 1.5rem;
    }
}

/* ============================================
   Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}