@import url('https://fonts.googleapis.com/css2?family=Marcellus&family=Inter:wght@300;400;500;600&display=swap');

:root {
    /* Light Mode (Initial) */
    --primary-gold: #C5A02E;
    --primary-gold-rgb: 197, 160, 46;
    --bg-color: #F8F9FA;
    --surface-color: #FFFFFF;
    --text-primary: #1A1A1A;
    --text-secondary: #4A4A4A;
    --border-color: rgba(0, 0, 0, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --grain: url('https://grainy-gradients.vercel.app/noise.svg');

    --transition-base: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@font-face {
    font-family: 'Rollgates Luxury Italic';
    src: url('RollgatesLuxury-Italic.ttf') format('truetype'),
        url('RollgatesLuxury-Italic.woff') format('woff');
    font-weight: normal;
    font-style: italic;
    font-display: swap;
}

[data-theme="dark"] {
    --bg-color: #0A0A0A;
    --surface-color: #121212;
    --text-primary: #F5F5F0;
    --text-secondary: #A0A0A0;
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(18, 18, 18, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.4);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.7;
    overflow-x: hidden;
    transition: background-color 0.6s ease, color 0.6s ease;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    opacity: 0.03;
    pointer-events: none;
    z-index: 9999;
    filter: contrast(150%) brightness(100%);
    background-image: var(--grain);
}

h1,
h2,
h3,
h4,
.serif {
    font-family: 'Rollgates Luxury Italic', 'Optima', 'Marcellus', serif;
    font-weight: normal;
    font-style: italic;
    letter-spacing: 1px;
}

/* Typography Utility */
.text-gold {
    color: var(--primary-gold);
}

.text-upper {
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.human-text {
    max-width: 700px;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 18px 45px;
    border-radius: 2px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--text-primary);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(var(--primary-gold-rgb), 0.3);
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 2000;
    padding: 30px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-base);
}

header.scrolled {
    padding: 15px 5%;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
}

.logo-img {
    height: 35px;
    width: auto;
    transition: var(--transition-base);
}

.logo-light {
    display: none;
}

.logo-dark {
    display: block;
}

[data-theme="dark"] .logo-light {
    display: block;
}

[data-theme="dark"] .logo-dark {
    display: none;
}

.logo {
    display: flex;
    align-items: center;
}

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

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--primary-gold);
    transition: var(--transition-base);
}

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

.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.2rem;
    transition: var(--transition-base);
}

.theme-toggle:hover {
    background: var(--primary-gold);
    color: white;
    border-color: var(--primary-gold);
}

.mobile-menu-btn {
    display: none;
    color: var(--text-primary);
    margin-left: 20px;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-color);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateY(-100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-nav-overlay.active {
    transform: translateY(0);
}

.mobile-nav-close {
    position: absolute;
    top: 40px;
    right: 5%;
    font-size: 2rem;
    color: var(--text-primary);
    cursor: pointer;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.mobile-nav-links a {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 5%;
    position: relative;
    background: var(--bg-color);
    overflow: hidden;
    max-width: 100%;
    margin: 0;
}

.hero-content {
    width: 45%;
    z-index: 10;
    padding-left: 2%;
}

.hero-subtitle {
    font-size: 0.85rem;
    color: var(--primary-gold);
    font-weight: 700;
    margin-bottom: 25px;
    letter-spacing: 2px;
}

.hero h1 {
    font-size: 5.5rem;
    line-height: 1.1;
    margin-bottom: 30px;
}

.hero-image-container {
    position: absolute;
    right: 0;
    top: 0;
    width: 60%;
    height: 100%;
    /* Sharp angle split screen as per reference */
    clip-path: polygon(25% 0, 100% 0, 100% 100%, 0% 100%);
    overflow: hidden;
}

.hero-slider {
    width: 100%;
    height: 100%;
    position: relative;
    background: #000;
}

.slide-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1.5s ease-in-out, visibility 1.5s, transform 15s ease-out;
    transform: scale(1.08);
    /* Start slightly zoomed in */
}

.slide-img.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
    /* Smoothly zoom out when active */
}

/* Slider Controls */
.slider-controls {
    position: absolute;
    bottom: 40px;
    right: 40px;
    display: flex;
    gap: 15px;
    z-index: 100;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.slider-dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

.slider-dot.active {
    background: transparent;
    border-color: var(--primary-gold);
    transform: scale(1.2);
}

/* Section Common */
section {
    padding: 140px 5%;
    max-width: 1600px;
    margin: 0 auto;
}

.section-tag {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-gold);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 15px;
    display: block;
}

.section-title {
    font-size: 3.5rem;
    margin-bottom: 50px;
    max-width: 800px;
}

/* About Section */
.about-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: start;
}

.about-text h3 {
    font-size: 2.2rem;
    margin-bottom: 30px;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 50px;
}

.stat-item h4 {
    font-size: 3rem;
    color: var(--primary-gold);
    margin-bottom: 5px;
}

.stat-item p {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-visual {
    position: relative;
}

.visual-main {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 4px;
}

/* Glass Card Grid */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.expertise-card {
    padding: 60px 40px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    transition: var(--transition-base);
}

.expertise-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-soft);
    border-color: var(--primary-gold);
}

.expertise-card i {
    font-size: 2.5rem;
    color: var(--primary-gold);
    margin-bottom: 30px;
    display: block;
}

/* Projects */
.project-showcase {
    margin-top: 80px;
}

.project-large {
    position: relative;
    height: 700px;
    overflow: hidden;
}

.project-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-large:hover img {
    transform: scale(1.05);
}

.project-info-glass {
    position: absolute;
    bottom: 50px;
    left: 50px;
    padding: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    max-width: 500px;
}

/* Collections Utilities */
.collection-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 30px;
}
.collection-desc {
    margin-bottom: 20px;
}
.show-mobile {
    display: none;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
}

/* Modern Address List */
.address-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.address-item h4 {
    color: var(--primary-gold);
    margin-bottom: 15px;
}

.address-item p {
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.address-item i {
    color: var(--primary-gold);
    width: 20px;
    text-align: center;
    flex-shrink: 0;
    margin-top: 5px;
}

.address-item p span {
    flex-grow: 1;
    word-break: break-word;
}

/* Modern Footer */
.site-footer {
    background-color: var(--bg-color);
    padding: 80px 5% 30px;
    border-top: 1px solid var(--border-color);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand p {
    margin-top: 15px;
    color: var(--text-secondary);
}

.footer-nav a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 15px;
    transition: var(--transition);
}

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

.footer-social .social-icons {
    display: flex;
    gap: 20px;
    margin-top: 15px;
}

.footer-social a {
    color: var(--text-secondary);
    font-size: 1.5rem;
    transition: var(--transition);
}

.footer-social a:hover {
    color: var(--primary-gold);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

/* Partners & Logo Slider */
.partners-section {
    padding: 60px 0;
    background: var(--bg-color);
    overflow: hidden;
}

.logo-slider {
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

.logo-slider::before,
.logo-slider::after {
    content: '';
    position: absolute;
    top: 0;
    width: 15%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.logo-slider::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-color) 0%, rgba(255, 255, 255, 0) 100%);
}

[data-theme="dark"] .logo-slider::before {
    background: linear-gradient(to right, var(--bg-color) 0%, rgba(18, 18, 18, 0) 100%);
}

.logo-slider::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-color) 0%, rgba(255, 255, 255, 0) 100%);
}

[data-theme="dark"] .logo-slider::after {
    background: linear-gradient(to left, var(--bg-color) 0%, rgba(18, 18, 18, 0) 100%);
}

.logo-slide-track {
    display: flex;
    width: calc(350px * 16);
    /* 350px per slide * 16 total slides */
    animation: scroll 40s linear infinite;
}

.logo-slide-track:hover {
    animation-play-state: paused;
}

.slide {
    width: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    opacity: 0.4;
    transition: var(--transition-base);
    cursor: default;
}

.slide:hover {
    opacity: 1;
    transform: scale(1.05);
}

.slide h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(calc(-350px * 8));
    }

    /* Scroll exactly half the width */
}

/* Responsive */
@media (max-width: 1200px) {
    .hero h1 {
        font-size: 4rem;
    }

    .hero-content {
        width: 60%;
    }
}

@media (max-width: 992px) {

    .about-split,
    .contact-grid,
    .expertise-grid,
    .footer-container {
        grid-template-columns: 1fr;
    }

    .hero {
        flex-direction: column;
        justify-content: center;
        padding: 0 5%;
    }

    .hero-content {
        width: 100%;
        text-align: center;
        padding: 50px 5%;
        z-index: 20;
        background: var(--glass-bg);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        border: 1px solid var(--glass-border);
        border-radius: 12px;
        margin-top: 0;
    }

    [data-theme="dark"] .hero-content {
        background: rgba(10, 10, 10, 0.85);
    }

    .hero-image-container {
        width: 100%;
        height: 100%;
        clip-path: none;
        z-index: 1;
    }

    .slider-controls {
        bottom: 30px;
        right: 50%;
        transform: translateX(50%);
    }

    .hero h1 {
        font-size: 3rem;
    }

    .project-large {
        height: 500px;
    }

    .project-info-glass {
        left: 5%;
        bottom: 5%;
        padding: 25px;
        width: 90%;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .project-large {
        height: auto;
        padding-bottom: 20px;
    }

    .project-large img {
        height: 350px;
    }

    .project-info-glass {
        position: relative;
        left: 5%;
        bottom: auto;
        margin-top: -50px;
        width: 90%;
        padding: 25px;
    }
    
    .about-split {
        gap: 40px;
    }

    .collection-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .collection-desc {
        margin-bottom: 0;
        margin-top: 15px;
    }

    .hide-mobile {
        display: none;
    }

    .show-mobile {
        display: block;
    }

    .footer-container {
        text-align: center;
        gap: 40px;
    }

    .footer-social .social-icons {
        justify-content: center;
    }
}

/* Scroll Animations */
.gsap-reveal-up, .gsap-reveal-left, .gsap-reveal-right, .reveal, .expertise-card {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.gsap-reveal-up, .reveal, .expertise-card {
    transform: translateY(50px);
}

.gsap-reveal-left {
    transform: translateX(-50px);
}

.gsap-reveal-right {
    transform: translateX(50px);
}

.gsap-reveal-up.is-visible, 
.gsap-reveal-left.is-visible, 
.gsap-reveal-right.is-visible, 
.reveal.is-visible,
.expertise-card.is-visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* Staggered delay for expertise cards */
.expertise-grid .expertise-card:nth-child(1) { transition-delay: 0.1s; }
.expertise-grid .expertise-card:nth-child(2) { transition-delay: 0.2s; }
.expertise-grid .expertise-card:nth-child(3) { transition-delay: 0.3s; }
.expertise-grid .expertise-card:nth-child(4) { transition-delay: 0.4s; }
.expertise-grid .expertise-card:nth-child(5) { transition-delay: 0.5s; }
.expertise-grid .expertise-card:nth-child(6) { transition-delay: 0.6s; }