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

:root {
    --color-primary: #1a1a1a;
    --color-secondary: #2d2d2d;
    --color-accent: #c9a96e;
    --color-accent-hover: #b8944f;
    --color-light: #f5f3f0;
    --color-white: #ffffff;
    --color-gray: #888888;
    --color-gray-light: #e0e0e0;
    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Inter', sans-serif;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-white);
    color: var(--color-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.2rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.05);
    padding: 0.8rem 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--color-white);
    text-decoration: none;
    transition: var(--transition);
}

.navbar.scrolled .logo {
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: var(--transition);
    position: relative;
}

.navbar.scrolled .nav-links a {
    color: var(--color-primary);
}

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

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

.nav-cta {
    padding: 0.6rem 1.5rem;
    background: var(--color-accent);
    color: var(--color-white);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 2px;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--color-accent-hover);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: zoomIn 20s ease-in-out infinite alternate;
}

@keyframes zoomIn {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.2) 0%,
        rgba(0, 0, 0, 0.1) 40%,
        rgba(0, 0, 0, 0.6) 100%
    );
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    padding: 4rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    opacity: 0;
    animation: fadeInUp 1s ease 0.5s forwards;
}

.hero-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
    padding: 0.4rem 1rem;
    background: rgba(201, 169, 110, 0.15);
    border: 1px solid rgba(201, 169, 110, 0.3);
    border-radius: 2px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 300;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: 0.8rem;
}

.hero-location {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
    letter-spacing: 1px;
}

/* ========================================
   PROJECT INFO
   ======================================== */
.project-info {
    padding: 6rem 0;
    background: var(--color-white);
}

.info-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 5rem;
    align-items: start;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 2rem;
    color: var(--color-primary);
}

.description {
    font-size: 1.05rem;
    line-height: 1.9;
    color: #555;
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.info-sidebar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.detail-box {
    padding: 1.2rem;
    background: var(--color-light);
    border-radius: 4px;
    transition: var(--transition);
}

.detail-box:hover {
    background: #ebe8e3;
    transform: translateY(-2px);
}

.detail-box h4 {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-gray);
    margin-bottom: 0.4rem;
}

.detail-box p {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-primary);
}

/* ========================================
   KEYWORDS SECTION
   ======================================== */
.keywords-section {
    padding: 4rem 0;
    background: var(--color-light);
    border-top: 1px solid var(--color-gray-light);
    border-bottom: 1px solid var(--color-gray-light);
}

.keywords-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 2rem;
    color: var(--color-primary);
}

.keywords-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.keyword {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray-light);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-secondary);
    cursor: default;
    transition: var(--transition);
}

.keyword:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* ========================================
   GALLERY SECTION
   ======================================== */
.gallery-section {
    padding: 6rem 0;
    background: var(--color-white);
}

.gallery-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 2rem;
    color: var(--color-primary);
}

.filter-tags {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    background: transparent;
    border: 1px solid var(--color-gray-light);
    color: var(--color-gray);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: 2px;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* Masonry Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 280px;
    gap: 1rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

.gallery-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

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

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-item.wide {
    grid-column: span 2;
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem 1.5rem 1.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    color: var(--color-white);
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
}

.gallery-item:hover .gallery-caption {
    opacity: 1;
    transform: translateY(0);
}

.gallery-item.hidden {
    display: none;
}

/* ========================================
   LIGHTBOX
   ======================================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 4px;
}

.lightbox-caption {
    text-align: center;
    color: var(--color-white);
    margin-top: 1rem;
    font-size: 0.9rem;
    font-weight: 300;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.25);
}

.lightbox-prev {
    left: 2rem;
}

.lightbox-next {
    right: 2rem;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    font-weight: 300;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .info-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: 220px;
    }

    .gallery-item.large {
        grid-column: span 2;
        grid-row: span 2;
    }
}

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

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

    .info-sidebar {
        grid-template-columns: 1fr 1fr;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 180px;
    }

    .gallery-item.large,
    .gallery-item.wide {
        grid-column: span 2;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .lightbox-nav {
        width: 45px;
        height: 45px;
    }

    .lightbox-prev {
        left: 1rem;
    }

    .lightbox-next {
        right: 1rem;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 250px;
    }

    .gallery-item.large,
    .gallery-item.wide {
        grid-column: span 1;
        grid-row: span 1;
    }

    .info-sidebar {
        grid-template-columns: 1fr;
    }

    .keywords-list {
        gap: 0.5rem;
    }

    .keyword {
        padding: 0.4rem 0.9rem;
        font-size: 0.8rem;
    }
}