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

:root {
    --bg: #0a0a0f;
    --bg2: #111118;
    --bg3: #18181f;
    --card: #16161e;
    --border: rgba(255, 255, 255, 0.07);
    --border-hover: rgba(255, 255, 255, 0.15);
    --accent: #c8a8f0;
    --accent2: #7c5cbf;
    --accent-glow: rgba(200, 168, 240, 0.18);
    --text: #f0eefa;
    --muted: #8b8a9a;
    --muted2: #5a5969;
    --tag-bg: rgba(200, 168, 240, 0.1);
    --tag-text: #c8a8f0;
    --success: #5dbf9a;
    --error: #e06b6b;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-weight: 300;
    font-size: 16px;
    line-height: 1.75;
    overflow-x: hidden;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    background: var(--accent);
    color: #0a0a0f;
    padding: .5rem 1rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: .875rem;
    z-index: 9999;
    transition: top .2s;
    text-decoration: none;
}

.skip-link:focus {
    top: 1rem;
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.2rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 10, 15, 0.75);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 0.5px solid var(--border);
    transition: background 0.3s;
}

nav.scrolled {
    background: rgba(10, 10, 15, 0.95);
}

.nav-logo {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
    color: var(--text);
    text-decoration: none;
}

.nav-logo span {
    color: var(--accent);
}

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

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.875rem;
    letter-spacing: 0.04em;
    transition: color 0.2s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.2s;
}

.nav-links a:hover {
    color: var(--text);
}

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

.nav-burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-burger span {
    display: block;
    width: 24px;
    height: 1.5px;
    background: var(--text);
    transition: transform 0.3s, opacity 0.3s;
}

.nav-burger.open span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.nav-burger.open span:nth-child(2) {
    opacity: 0;
}

.nav-burger.open span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

#hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8rem 2.5rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: -10%;
    right: -5%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(124, 92, 191, 0.18) 0%, transparent 70%);
    pointer-events: none;
}

.hero-glow2 {
    position: absolute;
    bottom: 5%;
    left: -10%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, rgba(200, 168, 240, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--tag-bg);
    border: 0.5px solid rgba(200, 168, 240, 0.25);
    border-radius: 100px;
    padding: 0.35rem 1rem;
    font-size: 0.8rem;
    color: var(--accent);
    letter-spacing: 0.06em;
    margin-bottom: 2rem;
    width: fit-content;
    animation: fadeUp 0.6s ease both;
}

.hero-tag::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

h1 {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: clamp(3rem, 8vw, 7rem);
    line-height: 0.95;
    letter-spacing: -0.03em;
    max-width: 14ch;
    animation: fadeUp 0.6s 0.1s ease both;
}

h1 em {
    font-style: normal;
    color: var(--accent);
    display: block;
}

.hero-sub {
    margin-top: 2rem;
    font-size: 1.1rem;
    color: var(--muted);
    max-width: 480px;
    animation: fadeUp 0.6s 0.2s ease both;
}

.hero-cta {
    margin-top: 3rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeUp 0.6s 0.3s ease both;
}

.btn-primary {
    background: var(--accent);
    color: #0a0a0f;
    padding: 0.85rem 2rem;
    border-radius: 100px;
    text-decoration: none;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(200, 168, 240, 0.35);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    padding: 0.85rem 2rem;
    border-radius: 100px;
    border: 0.5px solid var(--border-hover);
    text-decoration: none;
    font-family: 'Syne', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    transition: border-color 0.2s, background 0.2s;
}

.btn-ghost:hover {
    border-color: var(--accent);
    background: var(--accent-glow);
}

.scroll-hint {
    position: absolute;
    bottom: 2.5rem;
    left: 2.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--muted2);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: fadeUp 0.6s 0.5s ease both;
}

.scroll-hint::before {
    content: '';
    display: block;
    width: 24px;
    height: 1px;
    background: var(--muted2);
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section {
    padding: 6rem 2.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.section-label {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-label::before {
    content: '';
    display: block;
    width: 20px;
    height: 1px;
    background: var(--accent);
}

h2 {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: clamp(1.8rem, 4vw, 3rem);
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 3rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2px;
}

.project-card {
    background: var(--card);
    border: 0.5px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 360px;
    transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
    margin-bottom: 1.5rem;
    text-decoration: none;
    color: inherit;
}

.project-card:hover {
    border-color: var(--accent2);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.project-card:hover .project-arrow {
    transform: translate(4px, -4px);
}

.project-info {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-number {
    font-family: 'Syne', sans-serif;
    font-size: 0.75rem;
    color: var(--muted2);
    letter-spacing: 0.1em;
}

.project-title {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 1.75rem;
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin: 1rem 0 0.75rem;
}

.project-desc {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.7;
    flex: 1;
    margin-bottom: 1.5rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    background: var(--tag-bg);
    color: var(--tag-text);
    border: 0.5px solid rgba(200, 168, 240, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: 0.75rem;
    letter-spacing: 0.04em;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent);
    font-size: 0.875rem;
    font-family: 'Syne', sans-serif;
    font-weight: 600;
    text-decoration: none;
}

.project-arrow {
    transition: transform 0.2s;
    font-size: 1rem;
}

.project-visual {
    position: relative;
    overflow: hidden;
    background: var(--bg3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-visual-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 60%, rgba(10, 10, 15, 0.4));
    z-index: 1;
}

.project-preview {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1rem;
    z-index: 2;
}

.preview-icon {
    width: 64px;
    height: 64px;
    border: 0.5px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(10px);
}

.preview-url {
    font-size: 0.72rem;
    color: var(--muted2);
    letter-spacing: 0.06em;
    font-family: monospace;
}

.p1-bg {
    background: linear-gradient(135deg, #1a0d2e 0%, #2d1052 50%, #0a0a0f 100%);
}

.p2-bg {
    background: linear-gradient(135deg, #0d1a2e 0%, #103052 50%, #0a0a0f 100%);
}

#about .about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    color: var(--muted);
    margin-bottom: 1.25rem;
    font-size: 1rem;
}

.about-text p strong {
    color: var(--text);
    font-weight: 400;
}

.skills-col h3 {
    font-family: 'Syne', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted2);
    margin-bottom: 1.25rem;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-bottom: 2.5rem;
    list-style: none;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--muted);
}

.skill-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
}

.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.stat-card {
    background: var(--bg3);
    border: 0.5px solid var(--border);
    border-radius: 16px;
    padding: 1.25rem;
    text-align: center;
}

.stat-num {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 2rem;
    color: var(--accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--muted2);
    margin-top: 0.35rem;
    letter-spacing: 0.04em;
}

#contact {
    position: relative;
}

#contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80vw;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--border-hover), transparent);
}

.contact-wrap {
    background: var(--card);
    border: 0.5px solid var(--border);
    border-radius: 24px;
    padding: 3.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-intro h2 {
    margin-bottom: 1rem;
}

.contact-intro p {
    color: var(--muted);
    font-size: 0.95rem;
}

.contact-links {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact-link-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--muted);
    font-size: 0.875rem;
    text-decoration: none;
    transition: color 0.2s;
}

.contact-link-item:hover {
    color: var(--accent);
}

.contact-link-icon {
    width: 34px;
    height: 34px;
    border: 0.5px solid var(--border-hover);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-field label {
    font-size: 0.78rem;
    color: var(--muted2);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hp-field {
    position: absolute;
    opacity: 0;
    height: 0;
    width: 0;
    pointer-events: none;
}

input,
textarea {
    background: var(--bg3);
    border: 0.5px solid var(--border);
    border-radius: 12px;
    padding: 0.85rem 1.1rem;
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    width: 100%;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    resize: none;
    -webkit-appearance: none;
    appearance: none;
}

input::placeholder,
textarea::placeholder {
    color: var(--muted2);
}

input:focus,
textarea:focus {
    border-color: var(--accent2);
    box-shadow: 0 0 0 3px rgba(124, 92, 191, 0.15);
}

input:not(:placeholder-shown):invalid {
    border-color: var(--error);
}

textarea {
    height: 130px;
}

.btn-submit {
    background: var(--accent);
    color: #0a0a0f;
    border: none;
    padding: 0.9rem 2rem;
    border-radius: 100px;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
    align-self: flex-start;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(200, 168, 240, 0.35);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.form-feedback {
    font-size: 0.85rem;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    display: none;
}

.form-feedback.success {
    background: rgba(93, 191, 154, 0.1);
    border: 0.5px solid rgba(93, 191, 154, 0.3);
    color: var(--success);
}

.form-feedback.error {
    background: rgba(224, 107, 107, 0.1);
    border: 0.5px solid rgba(224, 107, 107, 0.3);
    color: var(--error);
}

footer {
    border-top: 0.5px solid var(--border);
    padding: 2rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

footer p {
    color: var(--muted2);
    font-size: 0.8rem;
}

.footer-logo {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 1rem;
    color: var(--muted2);
    letter-spacing: -0.02em;
    text-decoration: none;
}

.footer-logo span {
    color: var(--accent);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--muted2);
    font-size: 0.78rem;
    text-decoration: none;
    letter-spacing: 0.04em;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--muted);
}

.modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 999;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-backdrop.open {
    display: flex;
}

.modal {
    background: var(--bg2);
    border: 0.5px solid var(--border-hover);
    border-radius: 20px;
    padding: 2.5rem;
    max-width: 680px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.modal h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.modal h4 {
    font-family: 'Syne', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
    margin: 1.5rem 0 0.5rem;
    letter-spacing: 0.04em;
}

.modal p,
.modal li {
    font-size: 0.875rem;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.modal ul {
    padding-left: 1.25rem;
}

.modal a {
    color: var(--accent);
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: var(--bg3);
    border: 0.5px solid var(--border-hover);
    border-radius: 8px;
    color: var(--muted);
    width: 32px;
    height: 32px;
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--text);
}

.section-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 4rem;
    padding-top: 2.5rem;
    border-top: 0.5px solid var(--border);
    gap: 1rem;
}

.section-nav.only-next {
    justify-content: flex-end;
}

.section-nav.only-prev {
    justify-content: flex-start;
}

.nav-section-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--bg3);
    border: 0.5px solid var(--border-hover);
    border-radius: 100px;
    padding: 0.75rem 1.5rem;
    color: var(--muted);
    text-decoration: none;
    font-family: 'Syne', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    transition: border-color 0.2s, color 0.2s, background 0.2s, transform 0.2s;
}

.nav-section-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
    transform: translateY(-2px);
}

.btn-arrow {
    font-size: 1rem;
    transition: transform 0.2s;
}

.nav-section-btn.prev:hover .btn-arrow {
    transform: translateX(-3px);
}

.nav-section-btn.next:hover .btn-arrow {
    transform: translateX(3px);
}

.nav-section-label {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.nav-section-hint {
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted2);
    font-family: 'DM Sans', sans-serif;
    font-weight: 300;
}

.nav-section-name {
    font-size: 0.88rem;
}

.nav-section-btn.prev .nav-section-label {
    align-items: flex-start;
}

.nav-section-btn.next .nav-section-label {
    align-items: flex-end;
}

.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    nav {
        padding: 1rem 1.25rem;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.97);
        padding: 2rem 1.5rem;
        border-bottom: 0.5px solid var(--border);
        gap: 1.5rem;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-burger {
        display: flex;
    }

    #hero {
        padding: 7rem 1.25rem 4rem;
    }

    section {
        padding: 4rem 1.25rem;
    }

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

    .project-visual {
        height: 220px;
    }

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

    .contact-wrap {
        grid-template-columns: 1fr;
        padding: 2rem;
        gap: 2.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    footer {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .section-nav {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-section-btn {
        justify-content: space-between;
    }

    .nav-section-btn.prev .nav-section-label,
    .nav-section-btn.next .nav-section-label {
        align-items: flex-start;
    }
}

@media print {

    nav,
    .scroll-hint,
    .hero-glow,
    .hero-glow2,
    body::before {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    section {
        padding: 1rem 0;
    }
}