/* ===================================
   Walker Graphics - Brand Styles
   Midnight Blue & Mint Palette
   =================================== */

:root {
    --midnight-blue: #0a1628;
    --midnight-blue-light: #1a2a4a;
    --midnight-blue-dark: #050d18;
    --mint: #4fd1c5;
    --mint-light: #68d8cf;
    --mint-dark: #38b2ac;
    --white: #ffffff;
    --off-white: #f7fafc;
    --gray-100: #f0f4f8;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e0;
    --gray-600: #718096;
    --gray-800: #2d3748;
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.12);
    --shadow-md: 0 4px 20px rgba(10, 22, 40, 0.15);
    --shadow-lg: 0 10px 40px rgba(10, 22, 40, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-sans);
    color: var(--gray-800);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: 1.5rem;
    font-family: var(--font-sans);
    font-weight: 600;
}

p {
    color: var(--gray-600);
    font-size: 1.125rem;
}

.eyebrow {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--mint-dark);
    margin-bottom: 1rem;
}

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

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

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

/* ===================================
   Layout
   =================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header.light h2,
.section-header.light .eyebrow {
    color: var(--white);
}

.section-header.light .eyebrow {
    color: var(--mint);
}

.mt-4 {
    margin-top: 1.5rem;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

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

.btn-outline {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

.btn-outline-light {
    background-color: transparent;
    color: var(--midnight-blue);
    border-color: var(--midnight-blue);
}

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

.btn-small {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

.btn-full {
    width: 100%;
}

/* ===================================
   Header / Navigation
   =================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-mark {
    width: 40px;
    height: 40px;
    background-color: var(--midnight-blue);
    color: var(--mint);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 4px;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--midnight-blue);
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.main-nav a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-800);
}

.main-nav a:hover {
    color: var(--mint-dark);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background-color: var(--midnight-blue);
    transition: var(--transition);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--midnight-blue);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.close-menu-btn {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: none;
    border: none;
    color: var(--white);
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
}

.mobile-menu-overlay nav ul {
    list-style: none;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.mobile-link {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--white);
}

.mobile-link:hover {
    color: var(--mint);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.92) 0%, rgba(26, 42, 74, 0.85) 100%);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 25% 25%, rgba(79, 209, 197, 0.1) 0%, transparent 50%),
                      radial-gradient(circle at 75% 75%, rgba(79, 209, 197, 0.08) 0%, transparent 50%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

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

.hero-text h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.hero-sub {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
}

.hero-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.mockup-img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.card-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background-color: var(--mint);
    border-radius: 50%;
    opacity: 0.3;
    filter: blur(40px);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-indicator .line {
    width: 1px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.4);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===================================
   Stats Bar
   =================================== */
.stats-bar {
    background-color: var(--midnight-blue);
    padding: 3rem 0;
}

.stats-bar .container {
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--mint);
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.2);
}

/* ===================================
   Services Section
   =================================== */
.services {
    background-color: var(--off-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--mint);
}

.icon-box {
    width: 56px;
    height: 56px;
    background-color: var(--midnight-blue);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mint);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--midnight-blue);
}

.service-card p {
    font-size: 1rem;
    line-height: 1.7;
}

/* ===================================
   About Section
   =================================== */
.about {
    background-color: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image .main-img {
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-accent {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--mint);
    border-radius: 8px;
    z-index: -1;
}

.about-content h2 {
    margin-bottom: 1.5rem;
}

.about-content p {
    margin-bottom: 1rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    color: var(--midnight-blue);
}

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

/* ===================================
   Process Section
   =================================== */
.process {
    background-color: var(--midnight-blue);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
    padding: 2rem;
    position: relative;
}

.step-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 700;
    color: rgba(79, 209, 197, 0.2);
    line-height: 1;
    margin-bottom: 1rem;
}

.step h3 {
    color: var(--white);
    margin-bottom: 0.75rem;
    font-family: var(--font-sans);
}

.step p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
}

/* ===================================
   CTA Section
   =================================== */
.cta {
    background: linear-gradient(135deg, var(--midnight-blue) 0%, var(--midnight-blue-light) 100%);
    padding: 5rem 0;
}

.cta-box {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-box h2 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.cta-box p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.5rem;
    font-size: 1.25rem;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background-color: var(--off-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    margin-bottom: 1.5rem;
}

.contact-info > p {
    margin-bottom: 2.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.detail-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.detail-item svg {
    color: var(--mint-dark);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.detail-item strong {
    display: block;
    color: var(--midnight-blue);
    margin-bottom: 0.25rem;
}

.detail-item p {
    font-size: 1rem;
    color: var(--gray-600);
    margin: 0;
}

.detail-item a:hover {
    color: var(--mint-dark);
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--midnight-blue);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--gray-200);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--gray-800);
    transition: var(--transition);
    background-color: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--mint);
    box-shadow: 0 0 0 3px rgba(79, 209, 197, 0.1);
}

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

.form-note {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: 1rem;
    text-align: center;
}

.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem;
}

.form-success svg {
    color: var(--mint-dark);
    margin-bottom: 1rem;
}

.form-success h3 {
    color: var(--midnight-blue);
    margin-bottom: 0.5rem;
}

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

/* ===================================
   Map Section
   =================================== */
.map-section {
    height: 350px;
}

.map-section iframe {
    filter: grayscale(30%);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--midnight-blue-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
}

.footer-logo .logo-mark {
    width: 48px;
    height: 48px;
    font-size: 1.75rem;
}

.footer-logo .logo-text {
    font-size: 1.5rem;
    color: var(--white);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    margin-top: 1rem;
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

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

.footer-contact p {
    font-size: 0.9375rem;
    margin-bottom: 0.5rem;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-sub {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        max-width: none;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }

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

    section {
        padding: 4rem 0;
    }

    .stats-bar .container {
        flex-direction: column;
        gap: 1.5rem;
    }

    .stat-divider {
        display: none;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .contact-form-wrapper {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9375rem;
    }

    .service-card {
        padding: 1.75rem;
    }
}

/* ===================================
   Accessibility
   =================================== */
@media (prefers-reduced-motion: no-preference) {
    .service-card:hover {
        transform: translateY(-8px);
    }

    .btn:hover {
        transform: translateY(-2px);
    }
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--mint);
    outline-offset: 2px;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--midnight-blue);
    color: var(--white);
    padding: 0.5rem 1rem;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}