/* =====================================================
   RESET & BASE STYLES
   ===================================================== */

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

:root {
    /* Nature Distilled Color Palette - Trend 2026 */
    --color-primary: #2d2a26;
    --color-secondary: #8b7f6f;
    --color-accent: #a89582;
    --color-light: #f5f3f0;
    --color-white: #ffffff;
    --color-dark: #1a1816;
    --color-text: #4a4541;
    --color-border: #e5e1db;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

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

ul {
    list-style: none;
}

/* =====================================================
   NAVIGATION
   ===================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-medium);
}

.navbar.scrolled {
    padding: var(--spacing-xs) 0;
    box-shadow: var(--shadow-sm);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-medium);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-primary);
    transition: all var(--transition-fast);
}

/* =====================================================
   HERO SECTION - SPLIT SCREEN DESIGN
   ===================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background-color: var(--color-light);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.hero-text {
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

/* Exaggerated Typography Hierarchy - Trend 2026 */
.title-main {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    line-height: 0.9;
    color: var(--color-primary);
    letter-spacing: -2px;
}

.title-sub {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 300;
    color: var(--color-secondary);
    letter-spacing: 2px;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    animation: fadeInRight 0.8s ease 0.2s both;
}

.hero-image-placeholder,
.project-image-placeholder,
.about-image-placeholder {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.25rem;
    font-weight: 500;
}

.about-image-placeholder {
    aspect-ratio: 3/4;
}

/* =====================================================
   BUTTONS
   ===================================================== */

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-medium);
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-full {
    width: 100%;
}

/* =====================================================
   SECTION COMMON STYLES
   ===================================================== */

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    letter-spacing: -1px;
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text);
    line-height: 1.8;
    max-width: 600px;
}

/* =====================================================
   ABOUT SECTION
   ===================================================== */

.about {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-description {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-secondary);
    line-height: 1.4;
}

/* =====================================================
   PROJECTS SECTION
   ===================================================== */

.projects {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-light);
}

.projects-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.projects-header .section-description {
    margin: 0 auto;
}

/* Portfolio Download Button */
.portfolio-download {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
    align-items: center;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 6px;
    transition: all var(--transition-medium);
    cursor: pointer;
    text-decoration: none;
    border: 2px solid var(--color-primary);
    box-shadow: 0 2px 8px rgba(45, 42, 38, 0.15);
}

.btn-download:hover {
    background-color: var(--color-dark);
    border-color: var(--color-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(45, 42, 38, 0.25);
}

.btn-download:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(45, 42, 38, 0.2);
}

.download-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Project Filters */
.project-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* Projects Grid - Minimalist with Whitespace */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    background-color: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    transition: all var(--transition-medium);
    opacity: 1;
    transform: scale(1);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.project-card.hidden {
    display: none;
}

.project-image {
    position: relative;
    overflow: hidden;
}

.project-image-placeholder {
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image-placeholder {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(45, 42, 38, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.view-project {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-white);
    color: var(--color-primary);
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.view-project:hover {
    transform: scale(1.05);
}

.project-info {
    padding: var(--spacing-md);
}

.project-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.project-category {
    font-size: 0.875rem;
    color: var(--color-accent);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.project-description {
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.6;
}

/* =====================================================
   CONTACT SECTION
   ===================================================== */

.contact {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contact-description {
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    color: var(--color-text);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.contact-icon {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-item > div {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-item a,
.contact-item span {
    color: var(--color-text);
    font-size: 1.05rem;
}

.contact-item a:hover {
    color: var(--color-primary);
}

/* Contact Form */
.contact-form {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: 8px;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-white);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* =====================================================
   MODAL
   ===================================================== */

.modal {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--color-white);
    border-radius: 8px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background-color: var(--color-dark);
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-project-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.modal-project-category {
    font-size: 0.9rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--spacing-md);
}

.modal-project-image {
    margin-bottom: var(--spacing-md);
    border-radius: 8px;
    overflow: hidden;
}

.modal-project-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background-color: var(--color-light);
    border-radius: 8px;
}

.modal-detail {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.modal-detail-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.modal-project-description {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

/* =====================================================
   FOOTER
   ===================================================== */

.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left p {
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-right {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.version {
    opacity: 0.6;
    font-size: 0.75rem;
    margin-left: 0.5rem;
    font-weight: 400;
}

/* =====================================================
   ANIMATIONS
   ===================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */

@media (max-width: 1024px) {
    .hero-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .hero-image {
        order: -1;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
        --spacing-xxl: 5rem;
    }

    .btn-download {
        padding: 0.5rem 1rem;
        font-size: 0.8125rem;
    }

    .download-icon {
        width: 14px;
        height: 14px;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        transform: translateY(-120%);
        transition: transform var(--transition-medium);
        gap: var(--spacing-sm);
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

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

    .about-stats {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .modal-content {
        margin: var(--spacing-sm);
    }

    .modal-body {
        padding: var(--spacing-md);
    }
}

/* =====================================================
   UTILITY CLASSES
   ===================================================== */

.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeInUp 0.6s ease;
}

/* Smooth Scroll Offset for Fixed Navbar */
section {
    scroll-margin-top: 80px;
}