/*
    ALEX KOVALENKO - PHOTOGRAPHER PORTFOLIO
    Style Sheet
    
    Design Theme: Dark Elegance, Gold Accents, High-End Fashion
    Fonts: Cormorant Garamond (Serif), Montserrat (Sans-Serif)
*/

:root {
    --black: #0a0a0a;
    --dark: #1a1a1a;
    --gray: #888;
    --light-gray: #ccc;
    --white: #fff;
    --accent: #c9a962;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    /* Prevent horizontal scroll from animations */
}

/* 
   HEADER NAVIGATION
   Fixed header with mix-blend-mode for text visibility over any background
*/
header {
    position: fixed;
    width: 100%;
    padding: 2rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    transition: padding 0.3s ease;
}

.logo,
.mobile-toggle,
.nav-links a {
    mix-blend-mode: difference;
    color: #fff;
    /* Ensure white for difference mode to work */
}

/* Ensure opaque background for mobile menu */
@media (max-width: 768px) {
    .nav-links {
        mix-blend-mode: normal;
        background: #000;
        /* Solid black */
    }

    .nav-links a {
        mix-blend-mode: normal;
        color: #fff;
    }
}

.logo {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 3px;
    text-transform: uppercase;
}

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

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 5px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.3s ease;
}

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

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* 
   HERO SECTION
   Full screen image with centered typography
*/
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 101%;
    /* Slight scale for parallax prevent gap */
    background: url('https://images.unsplash.com/photo-1542038784456-1ea8e935640e?w=1920') center/cover;
    filter: grayscale(100%) brightness(0.4);
    will-change: transform;
    /* Optimized for parallax script */
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1.2s ease-out forwards 0.5s;
}

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

.hero h1 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 6rem;
    font-weight: 300;
    letter-spacing: 15px;
    text-transform: uppercase;
    margin-bottom: 2rem;
    margin-left: 15px;
    /* Offset for letter spacing */
}

.hero p {
    font-size: 0.9rem;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: var(--gray);
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0.7;
}

.scroll-indicator span {
    font-size: 0.7rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gray);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollSlide 2s infinite;
}

@keyframes scrollSlide {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        transform: scaleY(1);
        transform-origin: top;
    }

    51% {
        transform-origin: bottom;
    }

    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

/* 
   ABOUT SECTION
   Grid layout with image and text
*/
.about {
    padding: 10rem 4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
    background: var(--black);
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    filter: grayscale(100%);
    transition: filter 0.6s ease;
    display: block;
}

.about-image:hover img {
    filter: grayscale(0%);
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 1px solid var(--accent);
    z-index: -1;
    transition: transform 0.4s ease;
}

.about-image:hover::before {
    transform: translate(10px, 10px);
}

.about-content h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 3.5rem;
    font-weight: 300;
    margin-bottom: 2.5rem;
    color: var(--white);
}

.about-content p {
    color: var(--gray);
    margin-bottom: 1.5rem;
    font-weight: 300;
    max-width: 500px;
}

.stats {
    display: flex;
    gap: 4rem;
    margin-top: 4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
}

.stat h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 3rem;
    font-weight: 300;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.stat p {
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--light-gray);
}

/* 
   PORTFOLIO SECTION
   Masonry-style grid
*/
.portfolio {
    padding: 6rem 4rem;
}

.section-header {
    text-align: center;
    margin-bottom: 6rem;
}

.section-header h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 3.5rem;
    font-weight: 300;
    letter-spacing: 5px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/4;
    cursor: pointer;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.1);
    transition: all 0.6s ease;
}

.portfolio-item:hover img {
    filter: grayscale(0%) contrast(1);
    transform: scale(1.05);
}

.portfolio-info {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 2;
    pointer-events: none;
}

.portfolio-item:hover::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    transition: opacity 0.4s;
    z-index: 1;
}

.portfolio-item:hover .portfolio-info {
    opacity: 1;
}

.portfolio-info span {
    font-size: 0.9rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--white);
    border-bottom: 1px solid var(--accent);
    padding-bottom: 5px;
}

/* 
   SERVICES SECTION
   Minimalist cards
*/
.services {
    padding: 6rem 4rem;
    background: var(--dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    padding: 4rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    transition: all 0.4s ease;
}

.service-card:hover {
    border-color: var(--accent);
    background: rgba(201, 169, 98, 0.03);
    transform: translateY(-5px);
}

.service-card h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.service-card p {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.service-price {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.2rem;
    color: var(--accent);
    display: block;
}

/* 
   CONTACT SECTION
   Centered CTA
*/
.contact {
    padding: 10rem 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 4.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
    color: var(--white);
}

.contact p {
    color: var(--gray);
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.1rem;
}

.btn {
    display: inline-block;
    padding: 1.2rem 3.5rem;
    border: 1px solid var(--accent);
    color: var(--white);
    text-decoration: none;
    font-size: 0.8rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    transition: all 0.3s;
}

.btn:hover {
    background: var(--accent);
    color: var(--black);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 5rem;
}

.social-links a {
    color: var(--gray);
    text-decoration: none;
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: color 0.3s;
}

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

/* Footer */
footer {
    padding: 3rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

footer p {
    color: var(--dark-gray);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.5;
}

/* 
   RESPONSIVE LAYOUT 
*/
@media (max-width: 1024px) {

    .container,
    header,
    .about,
    .portfolio,
    .services,
    .contact {
        padding-left: 2rem;
        padding-right: 2rem;
    }

    .hero h1 {
        font-size: 4rem;
    }

    .about {
        grid-template-columns: 1fr;
        padding-top: 6rem;
        gap: 4rem;
    }

    .about-image {
        order: -1;
    }

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .services-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    header {
        padding: 1.5rem 2rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: var(--black);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        z-index: 100;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-toggle {
        display: block;
        z-index: 101;
    }

    .mobile-toggle.active {
        position: fixed;
        right: 2rem;
    }

    .hero h1 {
        font-size: 2.8rem;
        letter-spacing: 5px;
        margin-left: 5px;
    }

    .contact h2 {
        font-size: 3rem;
    }

    .stats {
        flex-direction: column;
        gap: 2rem;
    }
}