/* Luxury Party Styling - Main Stylesheet */

:root {
    --deep-night-blue: #0F1724;
    --charcoal-gray: #232831;
    --soft-champagne: #E9E4DA;
    --muted-gold: #B9A46A;
    --pearl-white: #F8F7F4;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Helvetica Neue', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    color: var(--deep-night-blue);
    background-color: var(--pearl-white);
    line-height: 1.7;
    font-size: 17px;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Georgia', 'Times New Roman', serif;
    font-weight: 400;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: var(--deep-night-blue);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 5rem);
    line-height: 1.1;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
}

p {
    margin-bottom: 1.5rem;
    color: var(--charcoal-gray);
}

a {
    color: var(--deep-night-blue);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

a:hover {
    opacity: 0.7;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(248, 247, 244, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(15, 23, 36, 0.1);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Georgia', serif;
    font-size: 1.25rem;
    letter-spacing: 0.1em;
    color: var(--deep-night-blue);
    font-weight: 400;
}

nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

nav a {
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    color: var(--charcoal-gray);
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--muted-gold);
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

.burger-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--deep-night-blue);
}

.mobile-nav {
    display: none;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(15, 23, 36, 0.1);
    margin-bottom: var(--spacing-sm);
}

.close-menu {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--deep-night-blue);
    cursor: pointer;
    padding: 0;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: opacity 0.3s ease;
}

.close-menu:hover {
    opacity: 0.7;
}

/* Main Content */
main {
    margin-top: 80px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
}

/* Hero Sections - All Unique */
.hero-full-height {
    height: 100vh;
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-lg);
    position: relative;
    background-color: var(--deep-night-blue);
}

.hero-asymmetric {
    min-height: 90vh;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.hero-offset {
    min-height: 85vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-left: 15%;
    padding-right: 10%;
    position: relative;
}

.hero-narrative {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 800px;
    margin-left: 10%;
    padding: var(--spacing-xl) 0;
}

.hero-manifesto {
    min-height: 70vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-xxl) var(--spacing-lg);
    background: linear-gradient(135deg, var(--soft-champagne) 0%, var(--pearl-white) 100%);
}

.hero-modular {
    min-height: 75vh;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    padding: var(--spacing-xl) var(--spacing-lg);
}

.hero-gallery {
    min-height: 65vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    padding: var(--spacing-xl) 20%;
    padding-bottom: var(--spacing-xxl);
    background: linear-gradient(180deg, rgba(15, 23, 36, 0.3) 0%, rgba(15, 23, 36, 0.7) 100%);
    position: relative;
}

/* Hero Typography */
.hero-full-height h1 {
    color: var(--pearl-white);
    font-size: clamp(3rem, 8vw, 7rem);
    max-width: 70%;
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.hero-asymmetric h1 {
    font-size: clamp(2.5rem, 6vw, 5.5rem);
    color: var(--deep-night-blue);
}

.hero-offset h1 {
    font-size: clamp(1.5rem, 7vw, 6.5rem);
    margin-bottom: var(--spacing-md);

}

.hero-narrative h1 {
    font-size: clamp(2.75rem, 6vw, 5rem);
    margin-bottom: var(--spacing-md);
}

.hero-manifesto h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    text-align: center;
}

.hero-modular h1 {
    font-size: clamp(1.5rem, 4vw, 3.5rem);
    grid-column: 1 / -1;
}

.hero-gallery h1 {
    font-size: clamp(2.75rem, 6vw, 5.5rem);
    color: var(--pearl-white);
    margin-bottom: var(--spacing-md);
}

.hero-gallery p {
    color: var(--soft-champagne);
    font-size: 1.1rem;
}

.hero-contact {
    min-height: 70vh;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    background-color: var(--soft-champagne);
}

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

.hero-contact h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

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

.image-container {
    position: relative;
    overflow: hidden;
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.image-container:hover img {
    transform: scale(1.05);
}

/* Editorial Sections */
.editorial-text {
    max-width: 700px;
    margin: var(--spacing-xl) auto;
    padding: 0 var(--spacing-md);
    font-size: 1.1rem;
    line-height: 1.9;
}

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.modular-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-xl) 0;
}

.horizontal-rhythm {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl) var(--spacing-lg);
}

.rhythm-item {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.detail-editorial {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    padding: var(--spacing-xl) 0;
}

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

.irregular-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-xl) 0;
}

.irregular-grid .image-container:nth-child(3n) {
    grid-column: span 2;
}

.irregular-grid .image-container:nth-child(5n) {
    grid-row: span 2;
}

/* Section Labels */
.section-label {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted-gold);
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

/* Contact Form */
.contact-section {
    background-color: var(--soft-champagne);
    padding: var(--spacing-xxl) var(--spacing-lg);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    color: var(--charcoal-gray);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid rgba(15, 23, 36, 0.2);
    background-color: var(--pearl-white);
    font-family: inherit;
    font-size: 1rem;
    color: var(--deep-night-blue);
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--muted-gold);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
}

.checkbox-group label {
    margin-bottom: 0;
    font-size: 0.85rem;
    line-height: 1.5;
}

.submit-btn {
    background-color: var(--deep-night-blue);
    color: var(--pearl-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    font-size: 1rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-btn:hover {
    background-color: var(--charcoal-gray);
}

/* Footer */
footer {
    background-color: var(--deep-night-blue);
    color: var(--soft-champagne);
    padding: var(--spacing-xl) var(--spacing-lg);
    margin-top: var(--spacing-xxl);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.footer-section h3 {
    color: var(--pearl-white);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.1em;
}

.footer-section p,
.footer-section a {
    color: var(--soft-champagne);
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-bottom {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(233, 228, 218, 0.2);
    text-align: center;
    font-size: 0.85rem;
    color: var(--soft-champagne);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 50px;
    height: 50px;
    background-color: var(--muted-gold);
    color: var(--deep-night-blue);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    z-index: 999;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

.back-to-top.visible {
    display: flex;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-asymmetric {
        grid-template-columns: 1fr;
    }
    
    .split-layout {
        grid-template-columns: 1fr;
    }
    
    .rhythm-item {
        grid-template-columns: 1fr;
    }
    
    .detail-editorial {
        grid-template-columns: 1fr;
    }
    
    .hero-modular {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    nav ul {
        display: none;
    }
    
    .burger-menu {
        display: block;
    }
    
    .mobile-nav.active {
        display: block;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--pearl-white);
        padding: var(--spacing-md);
        border-bottom: 1px solid rgba(15, 23, 36, 0.1);
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }
    
    .mobile-nav ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .mobile-nav a {
        display: block;
        padding: var(--spacing-sm) 0;
    }
    
    .hero-full-height {
        height: 70vh;
        padding: var(--spacing-md);
    }
    
    .hero-offset {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    .hero-narrative {
        margin-left: 0;
        padding: var(--spacing-md);
    }
    
    .irregular-grid .image-container:nth-child(3n),
    .irregular-grid .image-container:nth-child(5n) {
        grid-column: span 1;
        grid-row: span 1;
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .editorial-text {
        font-size: 1rem;
    }
}

@media (max-width: 320px) {
    body {
        font-size: 15px;
    }
    .hero-contact {
        grid-template-columns: 1fr !important;
    }
    .header-container {
        padding: 0 var(--spacing-xs);
    }
    
    .logo {
        font-size: 1rem;
    }
    
    nav ul {
        gap: var(--spacing-sm);
    }
    
    nav a {
        font-size: 0.8rem;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.25rem;
    }
    
    .hero-full-height,
    .hero-asymmetric,
    .hero-offset,
    .hero-narrative,
    .hero-manifesto,
    .hero-modular,
    .hero-gallery,
    .hero-contact {
        min-height: 50vh;
        padding: var(--spacing-sm);
    }
    
    .hero-full-height h1 {
        font-size: 2rem;
    }
    
    section {
        padding: var(--spacing-md) 0;
    }
    
    .editorial-text {
        padding: 0 var(--spacing-xs);
        font-size: 0.95rem;
    }
    
    .split-layout,
    .modular-grid,
    .horizontal-rhythm,
    .detail-editorial,
    .irregular-grid {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }
    
    .rhythm-item {
        gap: var(--spacing-sm);
    }
    
    .contact-section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    footer {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: var(--spacing-xs);
        right: var(--spacing-xs);
        font-size: 1rem;
    }
}