/* CSS Reset and Variables */
:root {
    --bg-color: #000000;
    --text-color: #f0f0f0;
    --accent-color: #ffffff;
    --border-color: #333333;
    --nav-bg: rgba(0, 0, 0, 0.8);
}

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

html {
    scroll-behavior: smooth;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

::selection {
    background-color: var(--accent-color);
    color: var(--bg-color);
}

/* Typography */
h1, h2, h3, h4, .logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    z-index: 1000;
    border-bottom: 1px solid transparent;
    transition: all 0.4s ease;
}

.navbar.scrolled {
    padding: 1rem 5%;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-size: 2.2rem;
    letter-spacing: -2px;
    color: var(--accent-color);
    position: relative;
    z-index: 10;
}

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

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    padding-bottom: 5px;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 1px;
    background-color: var(--accent-color);
    transition: width 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 0 5%;
    background: radial-gradient(circle at center, #111111 0%, #000000 70%);
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(3rem, 10vw, 9rem);
    line-height: 1;
    letter-spacing: -3px;
    margin-bottom: 1rem;
    display: inline-block;
    color: var(--accent-color);
}

.cursor {
    display: inline-block;
    width: clamp(4px, 1vw, 10px);
    height: clamp(3rem, 10vw, 8rem);
    background-color: var(--accent-color);
    vertical-align: text-bottom;
    animation: blink 1s step-end infinite;
    margin-left: 8px;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.subtitle {
    font-size: clamp(1rem, 2vw, 1.8rem);
    font-weight: 300;
    color: #888;
    letter-spacing: 4px;
    text-transform: uppercase;
}

.fade-in {
    opacity: 0;
    animation: fadeIn 2s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
    animation-delay: 2s;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 5%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    opacity: 0;
    animation: fadeIn 2s ease forwards;
    animation-delay: 2.5s;
}

.scroll-indicator p {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: #666;
}

.mouse {
    width: 30px;
    height: 48px;
    border: 2px solid #555;
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: #888;
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 18px); opacity: 0; }
}

/* General Layout */
.container {
    max-width: 1300px;
    margin: 0 auto;
    width: 100%;
}

section {
    padding: 120px 5%;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 4rem;
    text-transform: uppercase;
    letter-spacing: -2px;
    position: relative;
    display: inline-block;
    color: var(--accent-color);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
    transition: width 0.4s ease;
}

section:hover .section-title::after {
    width: 100%;
}

/* About Section */
.about-section {
    background-color: #050505;
}

.about-text {
    font-size: 1.4rem;
    line-height: 1.8;
    color: #b0b0b0;
    max-width: 900px;
    font-weight: 300;
}

.about-text p {
    margin-bottom: 2rem;
}

.about-text p:first-of-type {
    color: var(--text-color);
    font-size: 1.8rem;
    font-weight: 400;
}

/* Portfolio Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 3rem;
}

.portfolio-item {
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.portfolio-image-placeholder {
    height: 450px;
    background-color: #0a0a0a;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Outfit', sans-serif;
    font-size: 5rem;
    font-weight: 800;
    color: #1a1a1a;
    transition: all 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    transform-origin: center;
}

.portfolio-image-placeholder.dark-bg {
    background-color: #000000;
}

.portfolio-image-placeholder::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.03), transparent);
    transform: translateX(-100%);
    transition: transform 0.8s ease;
}

.portfolio-item:hover .portfolio-image-placeholder {
    transform: scale(0.96);
    border-color: #555;
    color: #333;
}

.portfolio-item:hover .portfolio-image-placeholder::before {
    transform: translateX(100%);
}

.portfolio-info {
    margin-top: 1.5rem;
    padding-left: 0.5rem;
}

.portfolio-info h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
    letter-spacing: -1px;
}

.portfolio-info p {
    color: #777;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.portfolio-item:hover .portfolio-info h3 {
    color: var(--accent-color);
}

/* Contact Section */
.contact-section {
    text-align: center;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #050505;
}

.contact-section .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-btn {
    display: inline-block;
    margin-top: 3rem;
    padding: 1.5rem 4rem;
    border: 1px solid var(--accent-color);
    background: transparent;
    color: var(--accent-color);
    text-decoration: none;
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    position: relative;
    overflow: hidden;
    transition: color 0.4s ease;
}

.contact-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--accent-color);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
    z-index: -1;
}

.contact-btn:hover {
    color: var(--bg-color);
}

.contact-btn:hover::before {
    transform: scaleY(1);
    transform-origin: top;
}

/* Footer */
.footer {
    padding: 3rem 5%;
    text-align: center;
    border-top: 1px solid var(--border-color);
    background-color: #000;
}

.footer p {
    color: #444;
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Animation Utilities */
.slide-up-element {
    opacity: 0;
    transform: translateY(80px);
    transition: opacity 1s ease, transform 1s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.slide-up-element.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 4rem;
    }
    
    .cursor {
        height: 4rem;
    }
    
    section {
        padding: 80px 5%;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-image-placeholder {
        height: 350px;
    }
    
    .about-text p:first-of-type {
        font-size: 1.4rem;
    }
    
    .contact-btn {
        padding: 1.2rem 2.5rem;
        font-size: 1.1rem;
    }
}