/* ===================================
   Combat Accounting & Tax Service
   Bold Editorial Style
   =================================== */

/* --- CSS Variables --- */
:root {
    --color-primary: #0f766e;
    --color-primary-dark: #0d5f59;
    --color-primary-light: #14b8a6;
    --color-slate-900: #0f172a;
    --color-slate-800: #1e293b;
    --color-slate-700: #334155;
    --color-slate-600: #475569;
    --color-slate-500: #64748b;
    --color-slate-100: #f1f5f9;
    --color-slate-50: #f8fafc;
    --color-white: #ffffff;
    --color-black: #000000;
    
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', system-ui, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    --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-slate-800);
    background-color: var(--color-slate-50);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-slate-900);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
}

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

h3 {
    font-size: 1.5rem;
}

p {
    color: var(--color-slate-600);
    font-size: 1.1rem;
}

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

.section-label {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

.section-desc {
    margin-top: var(--spacing-sm);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-align: center;
}

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

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

.btn-outline {
    background-color: transparent;
    color: var(--color-slate-900);
    border-color: var(--color-slate-900);
}

.btn-outline:hover {
    background-color: var(--color-slate-900);
    color: var(--color-white);
    transform: translateY(-2px);
}

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

.btn-light:hover {
    background-color: var(--color-slate-100);
    transform: translateY(-2px);
}

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

.btn-outline-light:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* --- Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-slate-100);
    transition: var(--transition);
}

.header-inner {
    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(--color-primary);
    color: var(--color-white);
    font-family: var(--font-serif);
    font-weight: 800;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.logo-text {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--color-slate-900);
}

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

.main-nav a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-slate-700);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background-color: var(--color-slate-900);
    transition: var(--transition);
}

/* --- Mobile Menu --- */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-slate-900);
    z-index: 999;
    display: flex;
    flex-direction: column;
    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: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 3rem;
    color: var(--color-white);
    cursor: pointer;
    line-height: 1;
}

.mobile-menu-overlay nav ul {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

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

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

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
    background-color: var(--color-slate-50);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 1;
}

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

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

.hero-sub {
    font-size: 1.25rem;
    color: var(--color-slate-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-slate-500);
    margin-top: 0.25rem;
}

.hero-visual {
    position: relative;
}

.image-frame {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

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

.floating-card {
    position: absolute;
    bottom: -30px;
    left: -30px;
    background-color: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.fc-icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.fc-text {
    display: flex;
    flex-direction: column;
}

.fc-text strong {
    color: var(--color-slate-900);
    font-size: 1rem;
}

.fc-text span {
    color: var(--color-slate-500);
    font-size: 0.875rem;
}

.hero-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(15, 118, 110, 0.03) 100%);
    pointer-events: none;
}

/* --- Section Base --- */
.section {
    padding: var(--spacing-xl) 0;
}

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

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

.about-image-wrap {
    position: relative;
}

.about-image-wrap img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.about-accent {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100px;
    height: 100px;
    background-color: var(--color-primary);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-content h2 {
    margin-bottom: var(--spacing-md);
}

.about-content p {
    margin-bottom: var(--spacing-sm);
}

.feature-list {
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    color: var(--color-slate-700);
}

.feature-list svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

/* --- Services Section --- */
.services {
    background-color: var(--color-slate-50);
}

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

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-slate-100);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    border-color: var(--color-primary);
}

.service-icon {
    width: 64px;
    height: 64px;
    background-color: rgba(15, 118, 110, 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

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

.service-card p {
    font-size: 1rem;
    line-height: 1.6;
}

/* --- Process Section --- */
.process {
    background-color: var(--color-slate-900);
    color: var(--color-white);
}

.process-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.process-header h2 {
    color: var(--color-white);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.step {
    text-align: center;
    padding: var(--spacing-md);
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 40px;
    right: -10px;
    width: 20px;
    height: 2px;
    background-color: var(--color-primary-light);
}

.step-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.step h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.step p {
    color: var(--color-slate-400);
    font-size: 0.9375rem;
}

/* --- CTA Section --- */
.cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.cta-box {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.cta p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

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

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

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

.contact-info h2 {
    margin-bottom: var(--spacing-sm);
}

.contact-info > p {
    margin-bottom: var(--spacing-lg);
}

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

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
}

.ci-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(15, 118, 110, 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    color: var(--color-slate-900);
    margin-bottom: 0.25rem;
}

.contact-item span {
    color: var(--color-slate-600);
    line-height: 1.5;
}

.contact-form-wrap {
    background-color: var(--color-slate-50);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--color-slate-700);
    font-size: 0.9375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem;
    border: 1px solid var(--color-slate-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--color-slate-900);
    background-color: var(--color-white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
}

.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-lg);
}

.form-success svg {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.form-success h3 {
    margin-bottom: var(--spacing-xs);
}

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

/* --- Footer --- */
.site-footer {
    background-color: var(--color-slate-900);
    color: var(--color-slate-400);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

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

.footer-brand .logo-mark {
    background-color: var(--color-primary);
}

.footer-brand .logo-text {
    color: var(--color-white);
}

.footer-brand p {
    color: var(--color-slate-400);
    font-size: 0.9375rem;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--color-white);
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: var(--color-slate-400);
    font-size: 0.9375rem;
}

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

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

.footer-contact a {
    color: var(--color-slate-400);
}

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

.footer-bottom {
    border-top: 1px solid var(--color-slate-800);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-slate-500);
}

/* --- Animations --- */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal-left {
        opacity: 0;
        transform: translateX(-30px);
    }
    
    .reveal-right {
        opacity: 0;
        transform: translateX(30px);
    }
    
    .reveal-up.visible,
    .reveal-left.visible,
    .reveal-right.visible {
        opacity: 1;
        transform: none;
    }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero-grid,
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .step:not(:last-child)::after {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding-top: 100px;
        padding-bottom: var(--spacing-lg);
    }
    
    .hero-stats {
        gap: var(--spacing-md);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .floating-card {
        position: relative;
        bottom: auto;
        left: auto;
        margin-top: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }
    
    .cta-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}