:root {
    /* Color Palette - Dark Theme */
    --color-bg-primary: #121212; /* Deep charcoal almost black */
    --color-bg-secondary: #1a1a1a; /* Slightly lighter charcoal */
    --color-bg-tertiary: #2a2a2a; /* Dark gray */
    --color-text-primary: #f4f0ea; /* Soft cream/off-white for contrast */
    --color-text-secondary: #b3b3b3; /* Muted light gray */
    --color-text-inverse: #111111; /* Dark text for inverse elements */
    --color-accent: #c6a87c; /* Elegant muted gold/taupe accent */
    --color-overlay: rgba(0, 0, 0, 0.6);

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;

    /* Transitions */
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-medium: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 0.3s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: auto; /* Handled by Lenis */
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.2;
}

.text-uppercase-tracked {
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.8rem;
    font-weight: 500;
}

.heading-display {
    font-size: clamp(2rem, 4vw, 4rem);
}

.heading-section {
    font-size: clamp(2.5rem, 4vw, 4rem);
}

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

/* Lenis Integration recommended styles */
html.lenis, html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

.lenis.lenis-scrolling iframe {
  pointer-events: none;
}

/* Layout Helpers */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 5%;
}

.section-padding {
    padding: 8rem 0;
}

.text-center {
    text-align: center;
}

.mt-lg {
    margin-top: 4rem;
}

.mt-xl {
    margin-top: 6rem;
}

/* Header & Nav */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 2rem 5%;
    transition: background-color var(--transition-medium), padding var(--transition-medium), color var(--transition-medium);
    color: var(--color-text-primary); /* Stand out on first load */
}

.site-header.is-solid {
    background-color: var(--color-bg-tertiary); /* Dark solid background on scroll */
    color: var(--color-text-primary);
    padding: 1.5rem 5%;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    padding-bottom: 1.5rem;
    transition: border-color var(--transition-medium);
}

.site-header.is-solid .header-inner {
    border-bottom-color: rgba(0,0,0,0.1);
}

.brand-logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-decoration: none;
    color: inherit;
}

.nav-links ul {
    display: flex;
    gap: 3rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: inherit;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    transition: opacity var(--transition-fast);
}

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

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

.header-social {
    display: flex;
    gap: 1.5rem;
}

.header-social a {
    color: inherit;
    transition: opacity var(--transition-fast);
}

.header-social a:hover {
    opacity: 0.7;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
}

/* Hidden on desktop, shown only inside mobile nav overlay */
.mobile-social {
    display: none;
}

.mobile-toggle span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: currentColor;
    transition: transform var(--transition-fast);
}

.mobile-toggle span:first-child { top: 0; }
.mobile-toggle span:last-child { bottom: 0; }

/* Animated X when open */
.mobile-toggle.active span:first-child {
    transform: translateY(9px) rotate(45deg);
}
.mobile-toggle.active span:last-child {
    transform: translateY(-9px) rotate(-45deg);
}

@media (max-width: 900px) {
    .brand-logo { font-size: clamp(1rem, 4vw, 1.4rem); }
    .brand-subtext { font-size: clamp(0.45rem, 2vw, 0.6rem) !important; letter-spacing: 0.15em !important; }
    .mobile-logo-img { height: 45px !important; gap: 0.5rem; }
    .header-social { display: none; }
    .mobile-toggle { display: block; color: inherit; }

    /* Mobile nav: full-screen overlay */
    .nav-links {
        display: flex !important;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2.5rem;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: var(--color-bg-primary);
        z-index: 99;
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-medium), visibility var(--transition-medium);
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-links ul {
        flex-direction: column;
        align-items: center;
        gap: 2.5rem;
    }

    .nav-links a {
        font-size: 1.6rem;
        letter-spacing: 0.2em;
    }

    /* Social icons inside open menu */
    .nav-links .mobile-social {
        display: flex;
        gap: 2rem;
        margin-top: 1rem;
    }

    .nav-links .mobile-social a {
        font-size: 0.85rem;
        color: var(--color-text-secondary);
    }
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    overflow: hidden;
}

.hero-slideshow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-color: var(--color-bg-primary);
}

.hero-bg, .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 2s ease-in-out, visibility 2s;
    will-change: opacity, transform;
}

.slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05); /* slightly scaled for parallax load */
    transition: transform 10s linear; /* slow zoom effect during slide active */
}

.slide.active img {
    transform: scale(1);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(17,17,17,0.3) 0%, rgba(17,17,17,0.6) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 1000px;
    z-index: 1;
    padding: 0 5%;
}

.hero-content h1 {
    margin-bottom: 3rem;
}

/* Buttons */
.btn-outline, .btn-outline-dark {
    display: inline-block;
    padding: 1rem 3rem;
    border: 1px solid #fff;
    color: #fff;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.85rem;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.btn-outline::before, .btn-outline-dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: #fff;
    transition: left var(--transition-medium);
    z-index: -1;
}

.btn-outline:hover::before {
    left: 0;
}

.btn-outline:hover {
    color: var(--color-bg-primary) !important; /* Dark text on white hover background */
}

.btn-outline-dark {
    border-color: var(--color-text-primary);
    color: var(--color-text-primary);
}

.btn-outline-dark::before {
    background-color: var(--color-text-primary);
}

.btn-outline-dark:hover {
    color: var(--color-bg-primary) !important; /* Dark text on light hover background */
}

/* Masonry Grid */
.projects-section .heading-section {
    margin-bottom: 5rem;
}

.masonry-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    align-items: start;
}

/* Shift second column down for masonry effect (disabled per user request) */
.masonry-grid .project-card:nth-child(even) {
    margin-top: 0;
}

.project-card {
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.card-img-wrapper {
    overflow: hidden;
    aspect-ratio: 4/5;
    background-color: var(--color-bg-tertiary); /* Loading placeholder color */
}

.card-img-wrapper img {
    width: 100%;
    height: 120%;
    object-fit: cover;
    transition: scale 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .card-img-wrapper img {
    scale: 1.05;
}

.card-inner {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 3rem;
    background: linear-gradient(to top, rgba(17,17,17,0.7) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-medium);
    color: #fff;
}

.project-card:hover .card-inner {
    opacity: 1;
}

.card-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    transform: translateY(20px);
    transition: transform var(--transition-medium);
}

.card-location {
    transform: translateY(20px);
    transition: transform var(--transition-medium) 0.1s;
}

.project-card:hover .card-title,
.project-card:hover .card-location {
    transform: translateY(0);
}

/* Ongoing Overlay Styles */
.ongoing-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(18, 18, 18, 0.92); /* Dark overlay */
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none; /* Let hover pass through to card initially */
    transition: all var(--transition-medium);
}

.ongoing-overlay-content {
    transform: translateY(20px);
    transition: transform var(--transition-medium);
    padding: 2rem;
}

.ongoing-project:hover .ongoing-overlay,
.ongoing-project:active .ongoing-overlay,
.ongoing-project:focus-within .ongoing-overlay {
    opacity: 1;
    visibility: visible;
    pointer-events: auto; /* Enable clicks on the button inside */
}

.ongoing-project:hover .ongoing-overlay-content,
.ongoing-project:active .ongoing-overlay-content,
.ongoing-project:focus-within .ongoing-overlay-content {
    transform: translateY(0);
}

@media (max-width: 900px) {
    .masonry-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .masonry-grid .project-card:nth-child(even) {
        margin-top: 0;
    }
    .card-inner {
        opacity: 1;
        background: linear-gradient(to top, rgba(17,17,17,0.8) 0%, transparent 80%);
    }
    .card-title, .card-location {
        transform: translateY(0);
    }
}

/* Margins Utility */
.mb-sm { margin-bottom: 1rem; }
.mb-md { margin-bottom: 2rem; }
.mb-lg { margin-bottom: 3rem; }
.mb-xl { margin-bottom: 5rem; }

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.about-image {
    aspect-ratio: 4/5;
    overflow: hidden;
}

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

.about-content p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 500px;
}

@media (max-width: 1000px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

/* Sub-Brand Banner */
.subbrand-banner {
    position: relative;
    height: 80vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: #fff;
}

.subbrand-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%; /* for parallax */
    z-index: -1;
}

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

.subbrand-content {
    z-index: 1;
    padding: 0 5%;
}

/* Process Section */
.process-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
}

.process-step {
    position: relative;
    padding: 3rem;
    background-color: var(--color-bg-secondary);
    border: 1px solid rgba(0,0,0,0.05);
    overflow: hidden;
    transition: transform var(--transition-medium);
}

.process-step:hover {
    transform: translateY(-10px);
}

.process-number {
    position: absolute;
    top: -20px;
    right: 10px;
    font-size: 10rem;
    font-family: var(--font-heading);
    color: var(--color-text-primary);
    opacity: 0.03;
    line-height: 1;
    pointer-events: none;
    user-select: none;
}

.process-step h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.process-step p {
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .process-grid {
        grid-template-columns: 1fr;
    }
}

/* Interactive Section */
.interactive-section {
    overflow: hidden;
}

.experience-visual {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    padding: 2rem 0;
}

.progress-bar-container {
    width: 100%;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.1);
    position: relative;
    border-radius: 3px;
    margin-bottom: 2.5rem;
}

.progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: var(--color-text-primary);
    width: 0%; /* Animated via JS */
    border-radius: 3px;
    box-shadow: 0 0 12px rgba(244, 240, 234, 0.4);
}

.progress-fill::after {
    content: '';
    position: absolute;
    right: -10px;
    top: -7px;
    width: 20px;
    height: 20px;
    background-color: var(--color-bg-primary);
    border: 3px solid var(--color-text-primary);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(244, 240, 234, 0.4);
}

.progress-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    position: relative;
}

@media (max-width: 600px) {
    .progress-labels {
        font-size: 0.65rem;
    }
}

/* Testimonials */
.testimonial-slider {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    min-height: 300px;
}

.testimonial-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease-in-out, visibility 1s ease-in-out;
}

.testimonial-slide.active {
    opacity: 1;
    visibility: visible;
    position: absolute;
}

/* Awards Marquee */
.awards-marquee {
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    padding: 3rem 0;
    border-top: 1px solid rgba(0,0,0,0.1);
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.marquee-content {
    display: inline-block;
    animation: marquee 30s linear infinite;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--color-text-primary);
}

.marquee-content span.dot {
    margin: 0 3rem;
    color: var(--color-accent);
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Press Grid */
.press-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
}

.press-item {
    cursor: pointer;
    text-align: left;
}

.press-img-wrapper {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

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

.press-item:hover .press-img-wrapper img {
    transform: scale(1.05);
}

.play-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.press-item:hover .play-overlay {
    opacity: 1;
}

@media (max-width: 768px) {
    .press-grid {
        grid-template-columns: 1fr;
    }
}

/* Footer */
.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    border-top: 1px solid rgba(0,0,0,0.1);
    padding-top: 4rem;
}

.footer-link {
    color: inherit;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid rgba(0,0,0,0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Project Modal */
.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-bg-primary);
    z-index: 1000;
    display: none;
    opacity: 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.project-modal.is-active {
    display: block;
}

.modal-close {
    position: fixed;
    top: 2rem;
    right: 5%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    z-index: 1010;
    border-radius: 50%;
    background-color: transparent;
    border: 1px solid var(--color-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
}

.modal-close:hover {
    background-color: var(--color-text-primary);
}

.modal-close span {
    position: absolute;
    width: 20px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: background-color var(--transition-medium);
}

.modal-close:hover span {
    background-color: var(--color-bg-primary);
}

.modal-close span:first-child { transform: rotate(45deg); }
.modal-close span:last-child { transform: rotate(-45deg); }

.modal-content {
    padding: 8rem 5% 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.modal-gallery {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.modal-gallery img {
    width: 100%;
    height: auto;
    object-fit: cover;
    opacity: 0;
    transform: translateY(40px);
}