/* ========================================
   CSS Variables & Base Styles
   ======================================== */

:root {
    --primary: #000000;
    --secondary: #ffffff;

    --accent: #7a0000;
    --accent-dark: #5a0000;
    --accent-light: #9b1515;
    --accent-soft: #d2c8be;
    --accent-warm: #574944;

    --gradient-brand: linear-gradient(135deg, #7a0000 0%, #5a0000 100%);
    --gradient-hero: linear-gradient(135deg, #000000 0%, #1a1010 100%);

    --light-bg: #f5f2ef;
    --dark-bg: #000000;
    --glass-bg: rgba(122, 0, 0, 0.06);

    --text: #000000;
    --text-light: #574944;
    --text-on-dark: #ffffff;

    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-colored: 0 8px 32px rgba(122, 0, 0, 0.18);
    --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.14);
    --radius: 6px;
    --radius-lg: 10px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--secondary);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

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

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

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

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

.section-title,
.hero-name,
.modal-title {
    font-family: 'Birthstone', cursive;
    font-weight: 400;
}

.section-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(3.5rem, 7vw, 6rem);
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary);
    letter-spacing: 0;
}

.section-title::after {
    content: '';
    display: block;
    width: 48px;
    height: 3px;
    background: var(--accent);
    margin: 1.25rem auto 0;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent);
    color: var(--secondary);
    box-shadow: 0 4px 18px rgba(122, 0, 0, 0.3);
}

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(122, 0, 0, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--secondary);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: var(--secondary);
    border: 1.5px solid rgba(255,255,255,0.5);
}

.btn-outline-light:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--secondary);
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: all var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 2px 24px rgba(0, 0, 0, 0.08);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo img {
    height: 40px;
    transition: opacity var(--transition);
}

.nav-logo:hover img {
    opacity: 0.8;
}

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

.nav-link {
    font-weight: 500;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color var(--transition);
    position: relative;
    padding: 6px 0;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--accent);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: all var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: #d2c8be;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 15% 25%, rgba(122, 0, 0, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 85% 75%, rgba(87, 73, 68, 0.08) 0%, transparent 45%);
}

.hero::before,
.hero::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 18s ease-in-out infinite;
}

.hero::before {
    width: 500px;
    height: 500px;
    background: rgba(122, 0, 0, 0.08);
    top: -150px;
    left: -100px;
}

.hero::after {
    width: 400px;
    height: 400px;
    background: rgba(87, 73, 68, 0.07);
    bottom: -100px;
    right: -80px;
    animation-delay: -9s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(20px, -20px) scale(1.05); }
    66% { transform: translate(-15px, 15px) scale(0.97); }
}

.hero-content {
    text-align: center;
    z-index: 1;
    padding: 0 32px;
}

.hero-logo {
    margin-bottom: 2.5rem;
}

.hero-logo img {
    height: 110px;
    filter: brightness(0);
    opacity: 0.85;
}

.hero-title {
    margin-bottom: 1.5rem;
}

.hero-name {
    display: block;
    font-size: clamp(4rem, 10vw, 8rem);
    color: var(--accent);
    margin-bottom: 0.75rem;
    letter-spacing: 0;
    font-weight: 400;
}

.hero-subtitle {
    display: block;
    font-size: clamp(0.75rem, 1.5vw, 0.9rem);
    font-weight: 500;
    letter-spacing: 10px;
    text-transform: uppercase;
    color: var(--accent-warm);
}

.hero-tagline {
    font-size: clamp(0.95rem, 2vw, 1.15rem);
    color: var(--primary);
    margin-bottom: 3rem;
    font-style: italic;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 1.5px solid rgba(0, 0, 0, 0.25);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    transform: translateX(-50%);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { top: 6px; opacity: 1; }
    50% { top: 22px; opacity: 0.3; }
}

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

.about {
    padding: 8rem 0;
    background: var(--secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 6rem;
    align-items: start;
}

.about-image {
    position: sticky;
    top: 120px;
}

.about-image-wrap {
    position: relative;
}

.about-image-wrap img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-colored);
    display: block;
}

.about-image-accent {
    position: absolute;
    top: -12px;
    left: -12px;
    right: 12px;
    bottom: 12px;
    border: 1.5px solid var(--accent);
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0.5;
    transition: opacity var(--transition);
}

.about-image-wrap:hover .about-image-accent {
    opacity: 0.9;
}

.about-text .section-title {
    text-align: left;
    font-size: clamp(3rem, 6vw, 5rem);
}

.about-text .section-title::after {
    margin: 1.25rem 0 0;
}

.about-bio {
    font-size: 1.05rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.85;
}

.about-quote {
    position: relative;
    padding: 1.5rem 2rem;
    margin: 2rem 0;
    background: var(--light-bg);
    border-radius: var(--radius);
    border-left: 3px solid var(--accent);
    font-style: italic;
    color: var(--text);
    font-size: 1.05rem;
}

.skills {
    margin-top: 2.5rem;
}

.skills h3 {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 1.25rem;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    list-style: none;
}

.skills-list li {
    background: transparent;
    padding: 0.5rem 1.1rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--accent-soft);
    color: var(--text);
    transition: all var(--transition);
    cursor: default;
}

.skills-list li:hover {
    background: var(--accent);
    color: var(--secondary);
    border-color: var(--accent);
    transform: translateY(-2px);
}

/* ========================================
   Projects Section
   ======================================== */

.projects {
    padding: 8rem 0;
    background: var(--light-bg);
}

.project-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 4rem;
}

.filter-btn {
    padding: 0.6rem 1.4rem;
    background: transparent;
    border: 1px solid var(--accent-soft);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-light);
    cursor: pointer;
    transition: all var(--transition);
}

.filter-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.filter-btn.active {
    background: var(--accent);
    color: var(--secondary);
    border-color: var(--accent);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.project-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    background: var(--secondary);
    box-shadow: var(--shadow);
    transition: all var(--transition);
    aspect-ratio: 4/3;
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.92) 0%, rgba(0,0,0,0.5) 50%, transparent 100%);
    opacity: 0;
    z-index: 1;
    transition: opacity var(--transition);
}

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

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

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-card:hover img {
    transform: scale(1.06);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem 1.75rem;
    z-index: 2;
    opacity: 0;
    transform: translateY(12px);
    transition: all var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
    transform: translateY(0);
}

.project-overlay span {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 0.4rem;
}

.project-overlay h3 {
    font-size: 1.3rem;
    color: var(--secondary);
    letter-spacing: -0.01em;
}

.no-projects {
    text-align: center;
    color: var(--text-light);
    padding: 4rem;
    grid-column: 1 / -1;
}

.no-projects a {
    color: var(--accent);
    font-weight: 600;
}

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

.contact {
    padding: 8rem 0;
    background: var(--secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    padding-top: 0.5rem;
}

.contact-info > p {
    font-size: 1.05rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    line-height: 1.85;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    padding: 1rem 1.4rem;
    background: var(--light-bg);
    border-radius: var(--radius);
    margin-bottom: 2rem;
    transition: all var(--transition);
    border: 1px solid transparent;
}

.contact-email:hover {
    background: var(--accent);
    color: var(--secondary);
    transform: translateX(4px);
}

.contact-email svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--light-bg);
    border-radius: var(--radius);
    transition: all var(--transition);
    border: 1px solid transparent;
}

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

.social-link:hover {
    background: var(--accent);
    color: var(--secondary);
    transform: translateY(-3px);
}

/* Contact Form */

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text);
}

.form-group input,
.form-group textarea {
    padding: 0.9rem 1.1rem;
    border: 1.5px solid #e2e0de;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all var(--transition);
    background: var(--secondary);
    color: var(--text);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(122, 0, 0, 0.1);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #c0392b;
}

.error-message {
    font-size: 0.78rem;
    color: #c0392b;
    min-height: 1.1rem;
}

.form-success {
    padding: 1rem 1.25rem;
    background: rgba(122, 0, 0, 0.06);
    border: 1px solid rgba(122, 0, 0, 0.2);
    border-radius: var(--radius);
    color: var(--accent-dark);
    font-weight: 500;
    font-size: 0.9rem;
    text-align: center;
}

.form-error-global {
    padding: 1rem 1.25rem;
    background: rgba(192, 57, 43, 0.06);
    border: 1px solid rgba(192, 57, 43, 0.2);
    border-radius: var(--radius);
    color: #c0392b;
    font-size: 0.9rem;
    text-align: center;
}

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

.footer {
    background: var(--primary);
    color: var(--secondary);
    padding: 2.5rem 0;
    text-align: center;
    border-top: 3px solid var(--accent);
}

.footer p {
    font-size: 0.82rem;
    opacity: 0.5;
    letter-spacing: 0.04em;
}

/* ========================================
   Modal
   ======================================== */

.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    backdrop-filter: blur(6px);
}

.modal-content {
    position: relative;
    background: var(--secondary);
    border-radius: var(--radius-lg);
    max-width: 960px;
    width: 100%;
    max-height: 90vh;
    overflow: auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    transform: scale(0.95) translateY(16px);
    transition: transform var(--transition);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: var(--secondary);
    border: none;
    border-radius: var(--radius);
    font-size: 1.4rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all var(--transition);
}

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

.modal-image {
    overflow: hidden;
}

.modal-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-info {
    padding: 3rem;
    display: flex;
    flex-direction: column;
}

.modal-category {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.modal-title {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: var(--text);
    letter-spacing: -0.02em;
}

.modal-description {
    color: var(--text-light);
    line-height: 1.85;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

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

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.meta-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-light);
    font-weight: 600;
}

.meta-value {
    font-weight: 600;
    color: var(--text);
    font-size: 0.9rem;
}

.modal-socials {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.modal-social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--light-bg);
    border-radius: var(--radius);
    color: var(--text);
    transition: all var(--transition);
    border: 1px solid transparent;
}

.modal-social-btn:hover {
    background: var(--accent);
    color: var(--secondary);
    transform: translateY(-2px);
}

.modal-link {
    margin-top: auto;
    align-self: flex-start;
}

/* ========================================
   Animations
   ======================================== */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in:nth-child(1) { transition-delay: 0.05s; }
.fade-in:nth-child(2) { transition-delay: 0.15s; }
.fade-in:nth-child(3) { transition-delay: 0.25s; }
.fade-in:nth-child(4) { transition-delay: 0.35s; }
.fade-in:nth-child(5) { transition-delay: 0.45s; }
.fade-in:nth-child(6) { transition-delay: 0.55s; }

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

@media (max-width: 968px) {
    .section-title { font-size: 2rem; }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-image {
        position: static;
        max-width: 320px;
        margin: 0 auto;
    }

    .about-text .section-title { text-align: center; }
    .about-text .section-title::after { margin: 1.25rem auto 0; }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .modal-content {
        grid-template-columns: 1fr;
        max-height: 95vh;
    }

    .modal-image { max-height: 280px; }
    .modal-info { padding: 2rem; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transform: translateX(100%);
        transition: transform var(--transition);
    }

    .nav-menu.active { transform: translateX(0); }

    .nav-link {
        font-size: 1.25rem;
        color: var(--secondary);
    }

    .nav-link::after { background: var(--accent); }

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

    .hero-logo img { height: 80px; }

    .about, .projects, .contact { padding: 5rem 0; }
}

@media (max-width: 480px) {
    .container { padding: 0 20px; }
    .section-title { font-size: 1.75rem; }

    .btn {
        padding: 12px 24px;
        font-size: 0.82rem;
    }

    .hero-actions { flex-direction: column; align-items: center; }
}