/* ===================================
   CSS Custom Properties
   =================================== */
:root {
    --color-navy: #0F2C59;
    --color-navy-light: #1a3d6b;
    --color-navy-dark: #091d3d;
    --color-gold: #C9A227;
    --color-gold-light: #d4b24a;
    --color-gold-dark: #b08d1f;
    --color-white: #ffffff;
    --color-off-white: #f8f7f4;
    --color-cream: #f5f3ee;
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 2rem;
    --fs-4xl: 2.5rem;
    --fs-5xl: 3.25rem;
    --fs-6xl: 4rem;
    
    --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;
    --space-5xl: 8rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    
    --shadow-sm: 0 1px 2px rgba(15, 44, 89, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 44, 89, 0.08), 0 2px 4px -1px rgba(15, 44, 89, 0.04);
    --shadow-lg: 0 10px 25px -3px rgba(15, 44, 89, 0.1), 0 4px 10px -2px rgba(15, 44, 89, 0.06);
    --shadow-xl: 0 20px 40px -5px rgba(15, 44, 89, 0.12);
    
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-slower: 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===================================
   Reset & Base
   =================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-weight: 300;
    font-size: var(--fs-base);
    line-height: 1.7;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

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

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

/* ===================================
   Container
   =================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-2xl);
    }
}

/* ===================================
   Typography
   =================================== */
.section-label {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: var(--fs-xs);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: var(--fs-3xl);
    line-height: 1.15;
    color: var(--color-navy);
    margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--fs-4xl);
    }
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: var(--fs-sm);
    letter-spacing: 0.05em;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-navy);
    color: var(--color-white);
    border: 1.5px solid var(--color-navy);
}

.btn-primary:hover {
    background-color: var(--color-navy-light);
    border-color: var(--color-navy-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-text {
    color: var(--color-navy);
    padding: 14px 0;
    border-bottom: 1px solid var(--color-gray-300);
}

.btn-text:hover {
    border-color: var(--color-gold);
    color: var(--color-gold-dark);
}

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

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    border-bottom-color: var(--color-gray-200);
    box-shadow: var(--shadow-sm);
}

.nav-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-size: var(--fs-xl);
    font-weight: 500;
    color: var(--color-navy);
}

.logo-icon {
    color: var(--color-gold);
}

.nav-links {
    display: none;
    align-items: center;
    gap: var(--space-2xl);
}

.nav-links a {
    font-size: var(--fs-sm);
    font-weight: 400;
    letter-spacing: 0.03em;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
    position: relative;
}

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

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

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

.nav-cta {
    font-weight: 500 !important;
    color: var(--color-navy) !important;
    border: 1.5px solid var(--color-navy) !important;
    padding: 10px 20px !important;
    border-radius: var(--radius-sm) !important;
    transition: all var(--transition-base) !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background-color: var(--color-navy) !important;
    color: var(--color-white) !important;
}

/* Mobile menu button */
.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 1.5px;
    background-color: var(--color-navy);
    transition: all var(--transition-base);
    transform-origin: center;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
}

/* Mobile overlay */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 999;
    background-color: var(--color-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    transform: translateX(100%);
    transition: transform var(--transition-slower);
}

.mobile-menu-overlay.active {
    transform: translateX(0);
}

.mobile-close {
    position: absolute;
    top: var(--space-xl);
    right: var(--space-xl);
    color: var(--color-navy);
    padding: 8px;
}

.mobile-link {
    font-family: var(--font-serif);
    font-size: var(--fs-2xl);
    color: var(--color-navy);
    opacity: 0.7;
    transition: opacity var(--transition-base);
}

.mobile-link:hover {
    opacity: 1;
}

.mobile-cta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
    font-weight: 500;
    color: var(--color-gold-dark);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    background-color: var(--color-off-white);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: center;
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
}

@media (min-width: 900px) {
    .hero-container {
        grid-template-columns: 1.1fr 1fr;
        gap: var(--space-4xl);
    }
}

.hero-content {
    max-width: 540px;
}

.hero-label {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: var(--fs-xs);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-lg);
}

.hero-headline {
    font-family: var(--font-serif);
    font-weight: 300;
    font-size: var(--fs-4xl);
    line-height: 1.1;
    color: var(--color-navy);
    margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
    .hero-headline {
        font-size: var(--fs-5xl);
    }
}

@media (min-width: 1024px) {
    .hero-headline {
        font-size: var(--fs-6xl);
    }
}

.hero-subtitle {
    font-size: var(--fs-lg);
    line-height: 1.7;
    color: var(--color-gray-600);
    margin-bottom: var(--space-2xl);
    max-width: 480px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-md);
}

.hero-image {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    aspect-ratio: 4/5;
}

.hero-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slower);
}

.hero-image-wrapper:hover img {
    transform: scale(1.02);
}

.hero-accent {
    position: absolute;
    bottom: -30px;
    left: -30px;
    display: flex;
    gap: var(--space-xl);
    background-color: var(--color-navy);
    padding: var(--space-xl) var(--space-2xl);
    border-radius: var(--radius-md);
}

@media (min-width: 900px) {
    .hero-accent {
        bottom: var(--space-2xl);
        left: calc(-1 * var(--space-2xl));
    }
}

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

.stat-number {
    font-family: var(--font-serif);
    font-size: var(--fs-3xl);
    font-weight: 400;
    color: var(--color-gold);
    line-height: 1;
}

.stat-label {
    font-size: var(--fs-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-gray-400);
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: var(--space-5xl) 0;
    background-color: var(--color-white);
}

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

@media (min-width: 900px) {
    .about .container {
        grid-template-columns: 1.2fr 1fr;
        gap: var(--space-4xl);
    }
}

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

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

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 5/4;
}

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

/* ===================================
   Services Section
   =================================== */
.services {
    padding: var(--space-5xl) 0;
    background-color: var(--color-cream);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-4xl);
}

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

@media (min-width: 600px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background-color: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    color: var(--color-navy);
    margin-bottom: var(--space-lg);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    border-color: var(--color-gold);
    color: var(--color-gold-dark);
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: var(--fs-xl);
    font-weight: 500;
    color: var(--color-navy);
    margin-bottom: var(--space-md);
}

.service-card p {
    font-size: var(--fs-sm);
    line-height: 1.7;
    color: var(--color-gray-600);
}

/* ===================================
   Approach Section
   =================================== */
.approach {
    padding: var(--space-5xl) 0;
    background-color: var(--color-navy);
    color: var(--color-white);
}

.approach .section-label {
    color: var(--color-gold);
}

.approach .section-title {
    color: var(--color-white);
    max-width: 500px;
}

.approach-content {
    margin-bottom: var(--space-4xl);
}

.approach-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
}

@media (min-width: 768px) {
    .approach-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3xl);
    }
}

@media (min-width: 1024px) {
    .approach-steps {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-xl);
    }
}

.approach-step {
    position: relative;
    padding-top: var(--space-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.step-number {
    font-family: var(--font-serif);
    font-size: var(--fs-5xl);
    font-weight: 300;
    color: var(--color-gold);
    line-height: 1;
    display: block;
    margin-bottom: var(--space-lg);
    opacity: 0.8;
}

.approach-step h3 {
    font-family: var(--font-serif);
    font-size: var(--fs-xl);
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.approach-step p {
    font-size: var(--fs-sm);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    padding: var(--space-5xl) 0;
    background-color: var(--color-white);
}

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

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    padding: var(--space-2xl);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    border-color: var(--color-gold-light);
    box-shadow: var(--shadow-md);
}

.testimonial-quote {
    color: var(--color-navy);
    margin-bottom: var(--space-lg);
}

.testimonial-text {
    font-family: var(--font-serif);
    font-size: var(--fs-lg);
    font-style: italic;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-gray-700);
    margin-bottom: var(--space-xl);
}

.testimonial-author {
    font-size: var(--fs-sm);
    color: var(--color-gray-500);
    letter-spacing: 0.03em;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: var(--space-5xl) 0;
    background-color: var(--color-off-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4xl);
}

@media (min-width: 900px) {
    .contact-grid {
        grid-template-columns: 1fr 1.1fr;
        gap: var(--space-4xl);
    }
}

.contact-text {
    font-size: var(--fs-lg);
    line-height: 1.7;
    color: var(--color-gray-600);
    margin-bottom: var(--space-2xl);
}

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

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

.contact-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    color: var(--color-navy);
    flex-shrink: 0;
}

.contact-item span,
.contact-item a {
    font-size: var(--fs-sm);
    color: var(--color-gray-600);
    line-height: 1.6;
}

.contact-item a:hover {
    color: var(--color-gold-dark);
}

.contact-label {
    display: block;
    font-size: var(--fs-xs);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-gray-400);
    margin-bottom: 2px;
}

/* Form */
.contact-form-wrapper {
    position: relative;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    background-color: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
}

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

.form-group label {
    font-size: var(--fs-xs);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-gray-500);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    font-size: var(--fs-sm);
    color: var(--color-gray-800);
    background-color: var(--color-gray-50);
    transition: all var(--transition-fast);
    outline: none;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-gold);
    background-color: var(--color-white);
    box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.1);
}

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

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23737373' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-4xl);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
}

.form-success.active {
    display: flex;
}

.form-success svg {
    color: var(--color-gold);
    margin-bottom: var(--space-lg);
}

.form-success h3 {
    font-family: var(--font-serif);
    font-size: var(--fs-2xl);
    font-weight: 500;
    color: var(--color-navy);
    margin-bottom: var(--space-md);
}

.form-success p {
    font-size: var(--fs-sm);
    color: var(--color-gray-500);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--color-navy-dark);
    color: var(--color-white);
    padding: var(--space-4xl) 0 var(--space-xl);
}

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

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: var(--space-2xl);
    }
}

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

.footer-tagline {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.5);
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-sans);
    font-size: var(--fs-xs);
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-lg);
}

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

.footer-links a {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

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

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

.footer-contact p {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-xl);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, 0.4);
}

/* ===================================
   Animations
   =================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slower), transform var(--transition-slower);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 100ms; }
.fade-in-delay-2 { transition-delay: 200ms; }
.fade-in-delay-3 { transition-delay: 300ms; }