:root {
    --bg: #0b1026;
    --bg-alt: #10162b;
    --surface: #151b33;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5f5;
    --text-tertiary: #94a3b8;
    --accent: #38bdf8;
    --accent-strong: #0ea5e9;
    --border: rgba(148, 163, 184, 0.25);
    --shadow: 0 40px 60px -40px rgba(14, 165, 233, 0.45);
    --radius-lg: 18px;
    --radius-md: 14px;
    --radius-sm: 999px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    background: radial-gradient(circle at top, rgba(56, 189, 248, 0.12), transparent 55%), var(--bg);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
}

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

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

ul {
    list-style: none;
}

.container {
    width: min(1120px, 100% - 2.4rem);
    margin: 0 auto;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 0;
    position: relative;
    z-index: 10;
}

.nav__logo {
    font-weight: 600;
    letter-spacing: -0.01em;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: transform 0.2s ease;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 1.8rem;
    font-size: 0.98rem;
}

.nav__links a {
    color: var(--text-secondary);
    position: relative;
}

.nav__links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.6rem;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.2s ease;
    opacity: 0.8;
}

.nav__links a:hover {
    color: var(--text-primary);
}

.nav__links a:hover::after {
    transform: scaleX(1);
}

.hero {
    position: relative;
    overflow: hidden;
    padding-bottom: 4rem;
}

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    filter: blur(120px);
    opacity: 0.4;
}

.hero::before {
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.5), transparent);
    top: -160px;
    right: -120px;
}

.hero::after {
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.35), transparent);
    bottom: -200px;
    left: -160px;
}

.hero__content {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3rem;
    align-items: center;
    padding: 3rem 0 1rem;
}

.hero__eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.4em;
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.hero__title {
    font-size: clamp(2.8rem, 6vw, 5rem);
    letter-spacing: -0.08em;
    line-height: 0.98;
    margin-bottom: 1rem;
}

.hero__subtitle {
    color: var(--text-secondary);
    max-width: 540px;
    font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    border-radius: var(--radius-sm);
    padding: 0.9rem 1.9rem;
    font-weight: 500;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
    border: 1px solid transparent;
}

.btn--primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: var(--bg);
    box-shadow: var(--shadow);
}

.btn--primary:hover {
    transform: translateY(-4px);
}

.btn--ghost {
    border-color: var(--border);
    color: var(--text-primary);
    backdrop-filter: blur(12px);
}

.btn--ghost:hover {
    border-color: rgba(56, 189, 248, 0.8);
    color: var(--accent);
}

.btn--full {
    width: 100%;
    justify-content: center;
}

.hero__portrait {
    display: flex;
    justify-content: center;
}

.portrait__frame {
    position: relative;
    width: min(320px, 80vw);
    aspect-ratio: 1;
    border-radius: 50%;
    padding: 10px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.4), transparent 70%);
}

.portrait__frame::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.25), transparent);
    filter: blur(60px);
}

.portrait__frame img {
    position: relative;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 1px solid rgba(148, 163, 184, 0.4);
    background: var(--surface);
}

.section {
    padding: 5rem 0;
}

.section--alt {
    background: radial-gradient(circle at top, rgba(56, 189, 248, 0.08), transparent 55%), var(--bg-alt);
}

.section__header {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 3rem;
}

.section__eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.4em;
    font-size: 0.8rem;
    color: var(--accent);
}

.section__title {
    font-size: clamp(2rem, 4vw, 3.4rem);
    letter-spacing: -0.06em;
}

.section__lead {
    color: var(--text-secondary);
    max-width: 680px;
}

.card {
    position: relative;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: radial-gradient(circle at top, rgba(56, 189, 248, 0.12), transparent 60%), var(--surface);
    backdrop-filter: blur(18px);
    box-shadow: 0 60px 80 -60px rgba(14, 165, 233, 0.4);
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(56, 189, 248, 0.18), transparent 55%);
    pointer-events: none;
}

.card > * {
    position: relative;
}

.about__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.6rem;
}

.about__card {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    padding: 2.4rem;
}

.about__card h3 {
    font-size: 1.4rem;
    letter-spacing: -0.02em;
}

.about__card p {
    color: var(--text-secondary);
}

.timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 12px;
    top: 0.6rem;
    bottom: 0.6rem;
    width: 1px;
    background: linear-gradient(to bottom, rgba(56, 189, 248, 0.8), transparent);
}

.timeline__item {
    position: relative;
    display: grid;
    grid-template-columns: 24px 1px minmax(0, 1fr);
    gap: 1.6rem;
    align-items: start;
}

.timeline__dot {
    grid-column: 1 / 2;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-top: 1.8rem;
    background: radial-gradient(circle, var(--text-primary), var(--accent));
    box-shadow: 0 0 0 6px rgba(56, 189, 248, 0.12);
}

.timeline__content {
    grid-column: 3 / 4;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 2.2rem;
}

.timeline__header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.timeline__header h3 {
    font-size: 1.4rem;
    letter-spacing: -0.02em;
}

.timeline__company {
    color: var(--text-secondary);
}

.timeline__date {
    border-radius: varpx radius-sm;
    border: 1px solid var(--border);
    padding: 0.4rem 1rem;
    color: var(--text-tertiary);
    font-size: 0.95rem;
}

.timeline__text {
    color: var(--text-secondary);
}

.skills__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.6rem;
}

.skill-card {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
    padding: 2.4rem;
}

.skill-card h3 {
    font-size: 1.3rem;
    letter-spacing: -0.02em;
}

.pill-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.pill {
    display: inline-flex;
    align-items: center;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    padding: 0.5rem 1.2rem;
    color: var(--text-secondary);
    font-size: 0.98rem;
}

.projects__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.6rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.project-card__image {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.project-card__image::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top, rgba(56, 189, 248, 0.2), transparent 70%);
}

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

.project-card__content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 2.2rem;
}

.project-card__content h3 {
    font-size: 1.5rem;
    letter-spacing: -0.02em;
}

.project-card__content p {
    color: var(--text-secondary);
}

.project-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.tag {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    padding: 0.4rem 1rem;
    color: var(--text-tertiary);
    font-size: 0.95rem;
}

.link {
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.link:hover {
    color: var(--text-primary);
}

.contact__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
    align-items: center;
}

.contact__list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.contact__item {
    display: flex;
    align-items: center;
    gap: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    padding: 1rem 1.6rem;
    background: radial-gradient(circle at top, rgba(56, 189, 248, 0.14), transparent 60%), var(--surface);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.contact__item:hover {
    transform: translateY(-4px);
    border-color: rgba(56, 189, 248, 0.8);
}

.contact__icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.4), transparent);
    color: var(--accent);
}

.contact__label {
    color: var(--text-tertiary);
    font-size: 0.95rem;
}

.contact__value {
    font-size: 1.05rem;
}

.contact__card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 2.6rem;
}

.contact__card h3 {
    font-size: 1.6rem;
    letter-spacing: -0.02em;
}

.contact__card p {
    color: var(--text-secondary);
}

.footer {
    border-top: 1px solid var(--border);
    padding: 1.8rem 0;
    margin-top: 4rem;
}

.footer__content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: var(--text-tertiary);
}

.footer__link {
    color: var(--text-secondary);
}

.footer__link:hover {
    color: var(--text-primary);
}

@media (max-width: 1080px) {
    .about__grid,
    .skills__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

@media (max-width: 920px) {
    .hero__content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero__subtitle {
        margin: 0 auto;
    }

    .hero__actions {
        justify-content: center;
    }

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

@media (max-width: 760px) {
    .nav__toggle {
        display: flex;
    }

    .nav__links {
        position: absolute;
        top: 100%;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        background: rgba(11, 16, 38, 0.98);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 1rem 1.6rem;
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease, transform 0.2s ease;
    }

    .nav__links.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .about__grid,
    .skills__grid {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 10px;
    }

    .timeline__item {
        grid-template-columns: 20px minmax(0, 1fr);
        gap: 1rem;
    }

    .timeline__dot {
        grid-column: 1 / 2;
    }

    .timeline__content {
        grid-column: 2 / 3;
        padding: 1.8rem;
    }
}

.contact__layout {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
}

.contact__form-card {
    padding: clamp(2rem, 4vw, 3.2rem);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.6rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.form-group label {
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: radial-gradient(circle at top, rgba(56, 189, 248, 0.08), transparent 70%), rgba(15, 23, 42, 0.6);
    color: var(--text-primary);
    font-size: 1rem;
    padding: 0.9rem 1.2rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(56, 189, 248, 0.9);
    box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.12);
}

.hp {
    display: none;
}

.form-status {
    min-height: 1.6rem;
    text-align: center;
    color: var(--text-secondary);
}

.form-status.is-success {
    color: #34d399;
}

.form-status.is-error {
    color: #f87171;
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
}

.contact__info-card {
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
    padding: clamp(2rem, 4vw, 2.8rem);
}

.contact__info-card h3 {
    font-size: 1.6rem;
    letter-spacing: -0.02em;
}

.contact__note {
    color: var(--text-secondary);
}

@media (max-width: 920px) {
    .contact__layout {
        grid-template-columns: 1fr;
    }

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

body.modal-open {
    overflow: hidden;
}

.contact-cta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.6rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: radial-gradient(circle at top, rgba(56, 189, 248, 0.16), transparent 65%), var(--surface);
    padding: clamp(2rem, 4vw, 3rem);
    box-shadow: 0 60px 80 -60px rgba(14, 165, 233, 0.4);
}

.contact-cta__text h3 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    letter-spacing: -0.04em;
    margin-bottom: 0.6rem;
}

.contact-cta__text p {
    color: var(--text-secondary);
}

.contact-inline {
    margin-top: 1.6rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.contact-inline__item {
    display: flex;
    align-items: center;
    gap: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    padding: 1rem 1.8rem;
    background: radial-gradient(circle at top, rgba(56, 189, 248, 0.12), transparent 65%), var(--surface);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.contact-inline__item:hover {
    transform: translateY(-4px);
    border-color: rgba(56, 189, 248, 0.8);
}

.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    z-index: 1000;
}

.modal.is-open {
    opacity: 1;
    pointer-events: all;
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, rgba(11, 16, 38, 0.95), rgba(11, 16, 38, 0.88));
    backdrop-filter: blur(12px);
}

.modal__dialog {
    position: relative;
    width: min(880px, 100%);
    max-height: min(90vh, 920px);
    overflow-y: auto;
    border-radius: calc(var(--radius-lg) + 4px);
    border: 1px solid var(--border);
    background: radial-gradient(circle at top, rgba(56, 189, 248, 0.18), transparent 60%), var(--bg-alt);
    box-shadow: 0 80px 120 -80px rgba(14, 165, 233, 0.5);
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding: clamp(2rem, 5vw, 3.6rem);
    transform: translateY(16px);
    transition: transform 0.25s ease;
}

.modal.is-open .modal__dialog {
    transform: translateY(0);
}

.modal__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.6rem;
}

.modal__eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.4em;
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 0.8rem;
}

.modal__title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    letter-spacing: -0.06em;
    margin-bottom: 0.6rem;
}

.modal__subtitle {
    color: var(--text-secondary);
}

.modal__close {
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.modal__close:hover {
    color: var(--text-primary);
    border-color: rgba(56, 189, 248, 0.8);
    transform: rotate(90deg);
}

.modal__form {
    gap: 1.8rem;
}

.modal__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 1rem;
}

@media (max-width: 680px) {
    .modal__dialog {
        padding: clamp(1.6rem, 6vw, 2.4rem);
    }

    .modal__actions {
        flex-direction: column-reverse;
        align-items: stretch;
    }

    .modal__actions .btn {
        width: 100%;
        justify-content: center;
    }
}

.modal__actions .btn--ghost {
    color: #0f172a;
    background: rgba(248, 250, 252, 0.9);
    border-color: rgba(148, 163, 184, 0.4);
}

.modal__actions .btn--ghost:hover {
    color: #020617;
    border-color: rgba(14, 165, 233, 0.9);
}

.hero .btn--ghost {
    color: #0f172a;
    background: rgba(248, 250, 252, 0.92);
    border-color: rgba(148, 163, 184, 0.5);
}

.hero .btn--ghost:hover {
    color: #020617;
    border-color: rgba(14, 165, 233, 0.9);
}