:root {
    /* Color Palette - Moody & Editorial */
    --bg-color: #050505;
    --surface-color: #111111;
    --text-main: #f0f0f0;
    --text-muted: #888888;
    --accent-color: #ffffff;
    --borderColor: #222222;

    /* Spacing */
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;

    /* Layout */
    --max-width: 1400px;
    --nav-height: 80px;

    /* Animation */
    --transition-slow: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    --transition-fast: 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--text-muted);
}

ul {
    list-style: none;
}

::selection {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    text-transform: uppercase;
    letter-spacing: -0.04em;
    margin-bottom: var(--space-sm);
}

h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--space-lg);
    color: var(--text-main);
}

h3 {
    font-size: 1.25rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

p {
    font-size: 1.125rem;
    color: var(--text-muted);
    font-weight: 300;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    z-index: 100;
    background: linear-gradient(to bottom, rgba(5, 5, 5, 1) 0%, rgba(5, 5, 5, 0) 100%);
    backdrop-filter: blur(2px);
}

.logo {
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: 0.1em;
}

.nav-links {
    display: flex;
    gap: var(--space-md);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Hero Section */
.hero.modern-hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0 5%;
    position: relative;
    text-align: left;
    overflow: hidden;
}

.hero.modern-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.03) 0px, rgba(255, 255, 255, 0.03) 1px, transparent 1px, transparent 80px),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0px, rgba(255, 255, 255, 0.03) 1px, transparent 1px, transparent 80px);
    z-index: 0;
    pointer-events: none;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%);
}

.hero-container {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-xl);
    width: 100%;
    align-items: center;
}

.hero-content {
    position: relative;
    width: 100%;
    animation: fadeUp 1s ease forwards;
    margin-top: auto;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 1px solid var(--borderColor);
    border-radius: 20px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
    backdrop-filter: blur(5px);
}

.hero-image-panel {
    position: relative;
    width: 100%;
    height: 70vh;
    animation: fadeUp 1s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

.hero-slide {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    border: 1px solid var(--borderColor);
    border-radius: 20px;
    opacity: 0;
    transition: opacity 1.5s ease;
}

.hero-slide.active {
    opacity: 1;
}

.hero-title {
    font-size: clamp(3rem, 10vw, 7rem);
    line-height: 0.95;
    text-transform: uppercase;
    margin-bottom: var(--space-lg);
    font-weight: 500;
    letter-spacing: -0.04em;
    color: var(--text-main);
}

.hero-title .line {
    display: block;
}

.hero-bottom {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: var(--space-lg);
    border-top: 1px solid var(--borderColor);
    padding-top: var(--space-md);
}

.hero-details {
    display: flex;
    gap: var(--space-xl);
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.detail-value {
    font-size: 1rem;
    color: var(--text-main);
}

.scroll-action .scroll-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--text-main);
    color: var(--bg-color);
    border-radius: 30px;
    font-weight: 500;
    font-size: 0.875rem;
    transition: transform var(--transition-fast), background var(--transition-fast);
}

.scroll-action .scroll-btn:hover {
    transform: scale(1.05);
    background: var(--text-muted);
    color: var(--bg-color);
}

/* Main Layout */
main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 5%;
}

/* Gallery Section */
.gallery-section {
    padding-bottom: var(--space-xl);
}

.gallery-header {
    margin-bottom: var(--space-lg);
    border-bottom: 1px solid var(--borderColor);
    padding-bottom: var(--space-sm);
}

.gallery-toggle {
    display: none;
    margin: var(--space-md) auto 0;
    background: transparent;
    border: 1px solid var(--borderColor);
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.6rem 1.5rem;
    border-radius: 20px;
    cursor: pointer;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-fast);
}

.gallery-toggle:hover {
    color: var(--text-main);
    border-color: var(--text-main);
}

.gallery-toggle svg {
    transition: transform var(--transition-fast);
}

.gallery-toggle.expanded svg {
    transform: rotate(180deg);
}

/* Masonry Grid (CSS Columns) */
.masonry-grid {
    column-count: 3;
    column-gap: var(--space-md);
    width: 100%;
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: var(--space-md);
    cursor: zoom-in;
    overflow: hidden;
    position: relative;
    border-radius: 4px;
    background: var(--surface-color);
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease, filter 0.3s ease;
}

.masonry-item.hidden {
    opacity: 0;
    transform: scale(0.95);
    pointer-events: none;
    position: absolute;
    visibility: hidden;
}

.masonry-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
    filter: contrast(1.05) saturate(0.9);
}

.masonry-item:hover img {
    transform: scale(1.03);
    filter: contrast(1.1) saturate(1);
}

/* About Section */
.about-section {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--borderColor);
}

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

.about-text p {
    margin-bottom: var(--space-sm);
}

.gear-list ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.gear-list li {
    font-size: 1rem;
    color: var(--text-main);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--borderColor);
}

/* Contact Section */
.contact-section {
    padding: var(--space-xl) 0 var(--space-lg);
    border-top: 1px solid var(--borderColor);
}

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

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

.contact-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--borderColor);
    font-size: clamp(1.25rem, 3vw, 2rem);
    transition: border-color var(--transition-fast);
}

.contact-link:hover {
    color: var(--text-main);
    border-color: var(--text-main);
}

.contact-link .label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

footer {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    padding-top: var(--space-lg);
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(5, 5, 5, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-slow);
}

.lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

.close-lightbox {
    position: absolute;
    top: var(--space-md);
    right: 5%;
    background: transparent;
    border: none;
    color: var(--text-main);
    cursor: pointer;
    z-index: 1001;
    opacity: 0.7;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.close-lightbox:hover {
    opacity: 1;
    transform: scale(1.1);
}

.lightbox-content {
    width: 90%;
    height: 90%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    user-select: none;
    opacity: 0;
    transform: scale(0.95);
    transition: all var(--transition-slow);
}

.lightbox.active .lightbox-content img {
    opacity: 1;
    transform: scale(1);
}

/* Animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0) translateX(-50%);
    }

    40% {
        transform: translateY(-10px) translateX(-50%);
    }

    60% {
        transform: translateY(-5px) translateX(-50%);
    }
}

/* Responsive — Tablet */
@media (max-width: 1024px) {
    :root {
        --space-xl: 4rem;
    }

    .hero.modern-hero {
        height: auto;
        min-height: 100vh;
        padding-top: calc(var(--nav-height) + 2rem);
        padding-bottom: var(--space-lg);
    }

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

    .hero-content {
        margin-top: 0;
    }

    .hero-image-panel {
        height: 50vh;
    }

    .hero-title {
        font-size: clamp(2.5rem, 8vw, 5rem);
    }

    .masonry-grid {
        column-count: 2;
    }

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

/* Responsive — Mobile */
@media (max-width: 600px) {
    :root {
        --space-xl: 3rem;
        --space-lg: 2.5rem;
        --space-md: 1.25rem;
        --nav-height: 60px;
    }

    .navbar {
        padding: 0 4%;
    }

    .nav-links {
        gap: var(--space-sm);
        font-size: 0.75rem;
    }

    .hero.modern-hero {
        height: 100vh;
        min-height: 100vh;
        padding: 0 4%;
        padding-top: 0;
        padding-bottom: 0;
        justify-content: center;
    }

    .hero-container {
        gap: 0;
    }

    .hero-image-panel {
        display: none;
    }

    .hero-title {
        font-size: clamp(2.5rem, 14vw, 4rem);
        margin-bottom: var(--space-md);
    }

    .hero-badge {
        font-size: 0.65rem;
        padding: 0.35rem 0.75rem;
        margin-bottom: var(--space-sm);
    }

    .hero-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .hero-details {
        gap: var(--space-md);
    }

    .scroll-action .scroll-btn {
        padding: 0.6rem 1.25rem;
        font-size: 0.8rem;
    }

    main {
        padding: 0 4%;
    }

    .gallery-toggle {
        display: inline-flex;
    }

    .masonry-grid.collapsed-mobile {
        max-height: 600px;
        overflow: hidden;
        position: relative;
    }

    .masonry-grid.collapsed-mobile::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 120px;
        background: linear-gradient(to bottom, transparent, var(--bg-color));
        pointer-events: none;
    }

    .masonry-grid {
        column-count: 1;
        column-gap: 0;
    }

    .masonry-item {
        margin-bottom: var(--space-sm);
    }

    .gallery-header h2,
    .about-section h2,
    .contact-section h2 {
        font-size: 1.75rem;
        margin-bottom: var(--space-md);
    }

    .about-section {
        padding: var(--space-lg) 0;
    }

    .contact-section {
        padding: var(--space-lg) 0 var(--space-md);
    }

    .contact-link {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.35rem;
        padding: 0.75rem 0;
        font-size: 1.1rem;
    }

    .close-lightbox {
        top: var(--space-sm);
    }

    .lightbox-content {
        width: 95%;
        height: 85%;
    }
}