/* ===========================
   CSS Reset & Base Styles
   =========================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #FDFBF7;
    color: #0A2342;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===========================
   Navigation Bar
   =========================== */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(253, 251, 247, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(10, 35, 66, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0A2342;
    text-decoration: none;
    letter-spacing: -0.5px;
}

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

.nav-link {
    color: #0A2342;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
    position: relative;
}

.nav-link:hover {
    opacity: 0.7;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #0A2342;
    transition: width 0.3s ease;
}

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

/* ===========================
   Section Styles
   =========================== */

.section {
    min-height: 100vh;
    padding: 6rem 0;
    display: flex;
    align-items: center;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 3rem;
    text-align: center;
    font-weight: 700;
    letter-spacing: -1px;
}

/* ===========================
   Projects Section - Masonry Layout
   =========================== */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-items: start;
}

/* Create organic, offset layout using nth-child */
.project-tile:nth-child(2),
.project-tile:nth-child(5) {
    margin-top: 2rem;
}

.project-tile:nth-child(3),
.project-tile:nth-child(6) {
    margin-top: -1rem;
}

.project-tile {
    background-color: #fff;
    padding: 0;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(10, 35, 66, 0.08);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateX(0);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: block;
}

/* Animation states - will be triggered by JavaScript */
.project-tile[data-animation="left"] {
    transform: translateX(-50px);
}

.project-tile[data-animation="right"] {
    transform: translateX(50px);
}

.project-tile.animate-in {
    opacity: 1;
    transform: translateX(0);
}

/* Hover effect - soft lift and glow */
.project-tile:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 12px 24px rgba(10, 35, 66, 0.15);
}

.project-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-tile:hover .project-image img {
    transform: scale(1.1);
}

.project-title {
    font-size: 1.5rem;
    margin: 1.5rem 2rem 1rem 2rem;
    font-weight: 600;
    color: #0A2342;
}

.project-description {
    color: #0A2342;
    opacity: 0.8;
    line-height: 1.7;
    margin: 0 2rem 2rem 2rem;
}

/* ===========================
   About Me Section
   =========================== */

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background-color: #0A2342;
    color: #FDFBF7;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 1rem;
    transition: all 0.3s ease;
}

.about-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.cta-button:hover {
    background-color: #0d2d52;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(10, 35, 66, 0.2);
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-image img {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(10, 35, 66, 0.15);
    object-fit: cover;
}

/* ===========================
   Contact Section
   =========================== */

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #0A2342;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid rgba(10, 35, 66, 0.1);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    color: #0A2342;
    background-color: #fff;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0A2342;
    box-shadow: 0 0 0 3px rgba(10, 35, 66, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.submit-btn {
    background-color: #0A2342;
    color: #FDFBF7;
    padding: 1rem 3rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.submit-btn:hover {
    background-color: #0d2d52;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(10, 35, 66, 0.2);
}

.submit-btn:active {
    transform: translateY(0);
}

/* ===========================
   Footer
   =========================== */

.footer {
    background-color: #0A2342;
    color: #FDFBF7;
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    opacity: 0.8;
}

/* ===========================
   Project Detail Page
   =========================== */

.project-detail {
    padding-top: 5rem;
    min-height: 100vh;
}

.project-hero {
    width: 100%;
    height: 400px;
    overflow: hidden;
    border-radius: 12px;
    margin-bottom: 3rem;
}

.project-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: #0A2342;
}

.project-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    flex-direction: column;
}

.meta-label {
    font-size: 0.9rem;
    opacity: 0.6;
    margin-bottom: 0.25rem;
}

.meta-value {
    font-weight: 600;
    color: #0A2342;
}

.project-content h2 {
    font-size: 2rem;
    margin-top: 3rem;
    margin-bottom: 1rem;
    color: #0A2342;
}

.project-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.project-content ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.project-content li {
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #0A2342;
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 2rem;
    transition: opacity 0.3s ease;
}

.back-link:hover {
    opacity: 0.7;
}

/* ===========================
   Contact Page
   =========================== */

.contact-page {
    padding-top: 5rem;
    min-height: 100vh;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: center;
}

.social-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border: 2px solid #0A2342;
    border-radius: 8px;
    color: #0A2342;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.social-button:hover {
    background-color: #0A2342;
    color: #FDFBF7;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(10, 35, 66, 0.2);
}

.linkedin-icon {
    width: 20px;
    height: 20px;
}

/* ===========================
   Photo Gallery
   =========================== */

.photo-gallery-section {
    padding-top: 5rem;
    min-height: 100vh;
}

.page-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-align: center;
    font-weight: 700;
    letter-spacing: -1px;
    color: #0A2342;
}

.page-subtitle {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.8;
    color: #0A2342;
}

.photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.photo-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
    aspect-ratio: 4/3;
    background-color: #f0f0f0;
}

.photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.photo-item:hover img {
    transform: scale(1.05);
}

/* Lightbox Styles */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    padding-top: 60px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(10, 35, 66, 0.95);
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 80vh;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #FDFBF7;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.lightbox-close:hover,
.lightbox-close:focus {
    color: #bbb;
}

.lightbox-prev,
.lightbox-next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -50px;
    color: #FDFBF7;
    font-weight: bold;
    font-size: 30px;
    transition: 0.3s;
    user-select: none;
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.lightbox-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #FDFBF7;
    padding: 10px 0;
    height: 40px;
}

/* ===========================
   Responsive Design
   =========================== */

/* Tablet */
@media (max-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }

    .nav-menu {
        gap: 1.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-image {
        order: -1;
    }

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

    .project-tile:nth-child(2),
    .project-tile:nth-child(3),
    .project-tile:nth-child(5),
    .project-tile:nth-child(6) {
        margin-top: 0;
    }

    .project-content h1 {
        font-size: 2.5rem;
    }

    .project-meta {
        gap: 1rem;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .section-title {
        font-size: 2rem;
    }

    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .logo {
        font-size: 1.25rem;
    }

    .section {
        padding: 4rem 0;
    }

    .container {
        padding: 0 1.5rem;
    }

    .project-title {
        font-size: 1.25rem;
    }

    .about-text p {
        font-size: 1rem;
    }

    .submit-btn {
        padding: 0.875rem 2rem;
    }

    .project-content h1 {
        font-size: 2rem;
    }

    .project-content h2 {
        font-size: 1.5rem;
    }

    .project-hero {
        height: 250px;
    }

    .social-links {
        flex-direction: column;
    }
}