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

body {
    font-family: Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* Site Wrap */
.site-wrap {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.site-header {
    position: relative;
    background-color: #fff;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 30px;
}

.logo a {
    font-size: 28px;
    font-weight: 400;
    letter-spacing: 0.5px;
    color: #000;
    transition: color 0.3s ease;
}

.logo a:hover {
    color: #1D00FF;
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.page-title a {
    font-size: 16px;
    font-weight: 400;
    color: #000;
    transition: color 0.3s ease;
}

.page-title a:hover {
    color: #1D00FF;
}

/* Social Icons */
.social ul {
    display: flex;
    gap: 20px;
    list-style: none;
}

.social a {
    display: block;
    width: 24px;
    height: 24px;
    transition: all 0.3s ease;
}

.social a:hover {
    opacity: 0.7;
}

.social a:hover svg path,
.social a:hover svg g {
    fill: #1D00FF;
}

.social .icon {
    width: 100%;
    height: 100%;
    fill: #000;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.hamburger i {
    display: block;
    width: 25px;
    height: 2px;
    background-color: #000;
    transition: all 0.3s ease;
}

.hamburger.active i:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active i:nth-child(2) {
    opacity: 0;
}

.hamburger.active i:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Main Content */
.site-content {
    flex: 1;
    padding-top: 100px;
    padding-bottom: 60px;
}

.main-content {
    padding-top: 100px;
    padding-bottom: 60px;
}

/* Project Grid */
.project-grid {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.project-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border-radius: 0;
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: scale(0.98);
}

.project-image {
    position: relative;
    width: 100%;
    padding-bottom: 78.2%; /* 4:3 aspect ratio */
    overflow: hidden;
    background-color: #f5f5f5;
}

.project-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: filter 0.3s ease;
}

.project-card:hover .project-image img {
    filter: brightness(0.5);
}

.project-title {
    display: none;
}

/* Footer */
.site-footer {
    background-color: #fff;
    padding: 30px 40px;
    text-align: center;
    font-size: 14px;
    color: #000;
}

.back-to-top {
    text-align: center;
    padding: 20px;
    margin-bottom: 20px;
}

.back-to-top a {
    color: #000;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
    cursor: pointer;
}

.back-to-top a:hover {
    color: #1D00FF;
}

/* Responsive Design */
@media (max-width: 768px) {
    .site-header {
        padding: 15px 20px;
    }

    .hamburger {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        align-items: flex-start;
        padding: 30px 20px;
        gap: 25px;
        border-bottom: 1px solid #eee;
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s ease;
        pointer-events: none;
    }

    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .social ul {
        flex-direction: row;
    }

    .project-grid {
        grid-template-columns: 1fr;
        padding: 0 20px;
        gap: 20px;
    }

    .site-content {
        padding-top: 150px;
        padding-bottom: 40px;
    }

    .logo a {
        font-size: 18px;
    }
}

@media (max-width: 500px) {
    .project-grid {
        padding: 0 20px;
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* Loading Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.project-card {
    animation: fadeIn 0.6s ease-in;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}