/* ========================================
   NETTLES BOOKKEEPING & TAX SERVICE
   Clean Minimalist Design System
   ======================================== */

/* CSS Custom Properties */
:root {
    --emerald-900: #064e3b;
    --emerald-800: #065f46;
    --emerald-700: #047857;
    --emerald-600: #059669;
    --emerald-500: #10b981;
    --emerald-100: #d1fae5;
    --emerald-50: #ecfdf5;
    
    --cream-50: #fafaf9;
    --cream-100: #f5f5f4;
    --cream-200: #e7e5e4;
    --cream-300: #d6d3d1;
    
    --stone-900: #0c0a09;
    --stone-800: #1c1917;
    --stone-700: #292524;
    --stone-600: #44403c;
    --stone-500: #57534e;
    --stone-400: #78716c;
    --stone-300: #a8a29e;
    --stone-200: #d6d3d1;
    --stone-100: #e7e5e4;
    --stone-50: #fafaf9;
    
    --white: #ffffff;
    --black: #000000;
    
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 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);
}

/* 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;
    line-height: 1.7;
    color: var(--stone-700);
    background-color: var(--cream-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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 24px;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
    color: var(--stone-900);
}

.section-subtitle {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--emerald-700);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 24px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--emerald-700);
    color: var(--white);
    border-color: var(--emerald-700);
}

.btn-primary:hover {
    background-color: var(--emerald-800);
    border-color: var(--emerald-800);
}

.btn-light {
    background-color: var(--white);
    color: var(--emerald-900);
    border-color: var(--white);
}

.btn-light:hover {
    background-color: var(--cream-100);
}

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

.btn-outline-light:hover {
    background-color: var(--white);
    color: var(--emerald-900);
}

.btn-outline-dark {
    background-color: transparent;
    color: var(--stone-700);
    border-color: var(--stone-300);
}

.btn-outline-dark:hover {
    background-color: var(--stone-50);
    border-color: var(--stone-500);
}

.btn-full {
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(250, 250, 249, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--cream-200);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

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

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--stone-900);
    letter-spacing: 0.05em;
}

.logo .dot {
    color: var(--emerald-600);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--stone-600);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--emerald-600);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--stone-900);
}

.nav-links a::after:hover {
    width: 100%;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 1.5px;
    background-color: var(--stone-700);
    transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--cream-50);
    border-bottom: 1px solid var(--cream-200);
    padding: 24px;
    flex-direction: column;
    gap: 24px;
    z-index: 999;
}

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

.mobile-menu a {
    font-size: 1rem;
    color: var(--stone-700);
    padding: 12px 0;
    border-bottom: 1px solid var(--cream-200);
}

.mobile-menu a:last-child {
    border-bottom: none;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(6, 78, 59, 0.85) 0%,
        rgba(6, 78, 59, 0.75) 50%,
        rgba(6, 78, 59, 0.85) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding-top: 80px;
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--emerald-100);
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--white);
    margin-bottom: 24px;
    font-weight: 300;
    line-height: 1.1;
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--cream-200);
    margin-bottom: 40px;
    max-width: 600px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator span {
    display: block;
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--white), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

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

/* Intro Section */
.intro {
    padding: 120px 0;
    background-color: var(--cream-50);
}

.intro-content {
    max-width: 800px;
}

.intro-line {
    width: 60px;
    height: 1px;
    background-color: var(--emerald-600);
    margin-bottom: 32px;
}

.intro-text {
    font-size: 1.125rem;
    color: var(--stone-600);
    margin-bottom: 24px;
    line-height: 1.8;
}

/* Services Section */
.services {
    padding: 120px 0;
    background-color: var(--white);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 64px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    padding: 48px 36px;
    background-color: var(--cream-50);
    border: 1px solid var(--cream-200);
    border-radius: 4px;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--emerald-200);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--emerald-700);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--stone-900);
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--stone-600);
    margin-bottom: 24px;
    line-height: 1.7;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-features li {
    font-size: 0.875rem;
    color: var(--stone-600);
    padding-left: 20px;
    position: relative;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background-color: var(--emerald-500);
    border-radius: 50%;
}

/* About Section */
.about {
    padding: 120px 0;
    background-color: var(--cream-50);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-paragraph {
    font-size: 1rem;
    color: var(--stone-600);
    line-height: 1.8;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: 4px;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 1px solid var(--emerald-200);
    border-radius: 4px;
    z-index: -1;
}

/* Process Section */
.process {
    padding: 120px 0;
    background-color: var(--emerald-900);
}

.process .section-subtitle {
    color: var(--emerald-300);
}

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

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.process-step {
    text-align: center;
    padding: 32px 24px;
}

.step-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 300;
    color: var(--emerald-500);
    margin-bottom: 24px;
}

.process-step h3 {
    font-size: 1.25rem;
    color: var(--white);
    margin-bottom: 16px;
}

.process-step p {
    font-size: 0.9375rem;
    color: var(--emerald-100);
    line-height: 1.7;
}

/* CTA Section */
.cta {
    padding: 120px 0;
    background-color: var(--cream-100);
}

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

.cta-text {
    font-size: 1.125rem;
    color: var(--stone-600);
    margin-bottom: 40px;
    line-height: 1.8;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Contact Section */
.contact {
    padding: 120px 0;
    background-color: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-text {
    font-size: 1rem;
    color: var(--stone-600);
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--emerald-700);
    flex-shrink: 0;
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--stone-400);
    margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
    font-size: 1rem;
    color: var(--stone-700);
}

.contact-item a:hover {
    color: var(--emerald-700);
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--cream-50);
    padding: 48px;
    border-radius: 4px;
    border: 1px solid var(--cream-200);
}

.contact-form-wrapper h3 {
    font-size: 1.5rem;
    margin-bottom: 32px;
    color: var(--stone-900);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--stone-700);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--stone-700);
    background-color: var(--white);
    border: 1px solid var(--cream-300);
    border-radius: 4px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--emerald-500);
    box-shadow: 0 0 0 3px var(--emerald-50);
}

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

.form-success {
    display: none;
    padding: 24px;
    background-color: var(--emerald-50);
    border: 1px solid var(--emerald-200);
    border-radius: 4px;
    color: var(--emerald-800);
}

.form-success p {
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Map Section */
.map-section {
    height: 400px;
}

.map-container {
    height: 100%;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    filter: grayscale(100%) contrast(1.1);
    transition: var(--transition);
}

.map-container iframe:hover {
    filter: grayscale(0%);
}

/* Footer */
.footer {
    background-color: var(--stone-900);
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 16px;
    display: inline-block;
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--stone-400);
    max-width: 300px;
    line-height: 1.7;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

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

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

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

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

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--stone-800);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--stone-500);
    text-align: center;
}

/* Reveal Animations */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        min-height: 600px;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .about-image img {
        height: 400px;
    }
    
    .about-image::before {
        display: none;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 32px 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-actions .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 1.875rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .service-card {
        padding: 32px 24px;
    }
}

/* 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;
    }
}