/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    /* Dark Beige Color Palette */
    --color-bg-dark: #1a1714;
    --color-bg-main: #252019;
    --color-bg-card: #2d2720;
    --color-bg-elevated: #363029;
    
    --color-beige-dark: #4a4137;
    --color-beige-medium: #6b5d4d;
    --color-beige-light: #a8967e;
    --color-beige-cream: #d4c4a8;
    --color-beige-pale: #e8dcc8;
    
    --color-text-primary: #f5efe6;
    --color-text-secondary: #c4b8a5;
    --color-text-muted: #8a7d6d;
    
    --color-accent: #c9a66b;
    --color-accent-light: #dfc18a;
    --color-accent-dark: #a8864d;
    
    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Outfit', -apple-system, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-bg-main);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul, ol {
    list-style: none;
}

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

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

address {
    font-style: normal;
}

/* ===================================
   Utility Classes
   =================================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-lg);
    }
}

/* ===================================
   Header
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: background-color var(--transition-base), 
                padding var(--transition-base),
                backdrop-filter var(--transition-base);
}

.header.scrolled {
    background-color: rgba(26, 23, 20, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--space-sm) 0;
}

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

/* Logo */
.logo {
    display: flex;
    align-items: baseline;
    gap: 0.15em;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.logo-bei {
    color: var(--color-accent);
}

.logo-money {
    color: var(--color-text-primary);
    font-weight: 400;
}

.logo-hk {
    color: var(--color-text-muted);
    font-size: 0.65em;
    font-weight: 500;
    margin-left: 0.1em;
}

/* Navigation */
.nav-list {
    display: flex;
    gap: var(--space-lg);
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    letter-spacing: 0.02em;
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-text-primary);
}

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

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--color-bg-dark);
        padding: var(--space-3xl) var(--space-lg);
        transition: right var(--transition-base);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .nav-link {
        font-size: 1.1rem;
    }
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-3xl) 0;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(201, 166, 107, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(168, 134, 77, 0.06) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-main) 100%);
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

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

@media (min-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr auto;
    }
}

.hero-content {
    max-width: 680px;
}

.hero-tagline {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.2s;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 500;
    line-height: 1.15;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.4s;
}

.hero-title em {
    font-style: italic;
    color: var(--color-accent-light);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 540px;
    margin-bottom: var(--space-lg);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.6s;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.8s;
}

/* Hero Decoration */
.hero-decoration {
    display: none;
    position: relative;
    width: 200px;
    height: 300px;
}

@media (min-width: 1024px) {
    .hero-decoration {
        display: block;
    }
}

.decoration-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 180px;
    height: 180px;
    border: 1px solid var(--color-beige-dark);
    border-radius: 50%;
    opacity: 0;
    animation: scaleIn 1s ease forwards;
    animation-delay: 1s;
}

.decoration-circle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    border: 1px solid var(--color-beige-medium);
    border-radius: 50%;
}

.decoration-circle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0.3;
}

.decoration-line {
    position: absolute;
    top: 0;
    left: 50%;
    width: 1px;
    height: 100%;
    background: linear-gradient(180deg, transparent, var(--color-beige-dark), transparent);
    opacity: 0;
    animation: fadeIn 1s ease forwards;
    animation-delay: 1.2s;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    opacity: 0;
    animation: fadeIn 1s ease forwards;
    animation-delay: 1.5s;
}

.scroll-indicator span {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(180deg, var(--color-accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
}

.btn-primary:hover {
    background-color: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(201, 166, 107, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-beige-dark);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-full {
    width: 100%;
}

/* ===================================
   Section Styles
   =================================== */
.section-header {
    margin-bottom: var(--space-xl);
}

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

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 500;
    line-height: 1.2;
    color: var(--color-text-primary);
}

.section-title em {
    font-style: italic;
    color: var(--color-beige-cream);
}

.section-description {
    margin-top: var(--space-sm);
    font-size: 1.05rem;
    color: var(--color-text-secondary);
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: var(--space-3xl) 0;
    background-color: var(--color-bg-main);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-beige-dark), transparent);
}

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

@media (min-width: 1024px) {
    .about-content {
        grid-template-columns: 1.2fr 1fr;
        gap: var(--space-3xl);
    }
}

.about-text {
    color: var(--color-text-secondary);
}

.about-lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.about-text p {
    margin-bottom: var(--space-md);
}

.about-text p:last-child {
    margin-bottom: 0;
}

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

.value-item {
    padding: var(--space-md);
    background-color: var(--color-bg-card);
    border-radius: var(--radius-md);
    border-left: 2px solid var(--color-accent);
    transition: transform var(--transition-base), background-color var(--transition-base);
}

.value-item:hover {
    transform: translateX(5px);
    background-color: var(--color-bg-elevated);
}

.value-icon {
    margin-bottom: var(--space-sm);
}

.value-icon span {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent);
}

.value-item h3 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.value-item p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

/* ===================================
   Services Section
   =================================== */
.services {
    padding: var(--space-3xl) 0;
    background-color: var(--color-bg-dark);
    position: relative;
}

.services::before,
.services::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-beige-dark), transparent);
}

.services::before {
    top: 0;
}

.services::after {
    bottom: 0;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

@media (min-width: 640px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    position: relative;
    padding: var(--space-lg);
    background-color: var(--color-bg-card);
    border-radius: var(--radius-md);
    transition: transform var(--transition-base), 
                background-color var(--transition-base),
                box-shadow var(--transition-base);
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-5px);
    background-color: var(--color-bg-elevated);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.service-card:hover .service-line {
    width: 100%;
}

.service-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-beige-dark);
    line-height: 1;
    margin-bottom: var(--space-md);
    transition: color var(--transition-base);
}

.service-card:hover .service-number {
    color: var(--color-accent);
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.service-description {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.service-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    transition: width var(--transition-slow);
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: var(--space-3xl) 0;
    background-color: var(--color-bg-main);
}

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

@media (min-width: 1024px) {
    .contact-wrapper {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3xl);
    }
}

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

.contact-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-top: var(--space-md);
    margin-bottom: var(--space-xl);
}

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

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

.contact-label {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.contact-value {
    font-size: 1.1rem;
    color: var(--color-text-primary);
    transition: color var(--transition-fast);
}

a.contact-value:hover {
    color: var(--color-accent);
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

@media (min-width: 768px) {
    .contact-form-wrapper {
        padding: var(--space-xl);
    }
}

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

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

.form-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-input {
    padding: 0.875rem 1rem;
    font-size: 1rem;
    color: var(--color-text-primary);
    background-color: var(--color-bg-main);
    border: 1px solid var(--color-beige-dark);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), 
                box-shadow var(--transition-fast);
    outline: none;
}

.form-input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(201, 166, 107, 0.1);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238a7d6d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-select option {
    background-color: var(--color-bg-dark);
    color: var(--color-text-primary);
}

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

/* ===================================
   Footer
   =================================== */
.footer {
    padding: var(--space-lg) 0;
    background-color: var(--color-bg-dark);
    border-top: 1px solid var(--color-beige-dark);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-logo {
    font-size: 1.4rem;
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 1;
        transform: scaleY(1);
    }
    50% {
        opacity: 0.5;
        transform: scaleY(0.8);
    }
}

/* Scroll Reveal Animation Classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===================================
   Form Success State
   =================================== */
.form-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-xl);
    min-height: 400px;
}

.form-success-icon {
    width: 64px;
    height: 64px;
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    color: var(--color-accent);
    font-size: 1.5rem;
}

.form-success h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.form-success p {
    color: var(--color-text-secondary);
}