:root {
    --bg: #08090b;
    --bg-soft: #0e1116;
    --surface: #12161d;
    --surface-strong: #171d26;
    --line: rgba(255, 255, 255, 0.1);
    --line-strong: rgba(255, 255, 255, 0.18);
    --text: #f6f8fb;
    --muted: #a7b0bf;
    --muted-strong: #c7d0dd;
    --blue: #4f8cff;
    --cyan: #45d3ff;
    --green: #30d091;
    --amber: #f6b84b;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 96px;
}

body {
    min-height: 100vh;
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        linear-gradient(180deg, rgba(79, 140, 255, 0.08), transparent 460px),
        radial-gradient(circle at 70% 0%, rgba(69, 211, 255, 0.08), transparent 360px),
        var(--bg);
    color: var(--text);
    line-height: 1.6;
}

body.menu-open,
body.modal-open {
    overflow: hidden;
}

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

a {
    color: inherit;
}

button,
input,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #07080a;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--blue), var(--cyan));
    border-radius: 999px;
    border: 3px solid #07080a;
}

.container {
    width: min(1160px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(8, 9, 11, 0.78);
    backdrop-filter: blur(18px);
}

.navbar {
    width: min(1160px, calc(100% - 40px));
    min-height: 82px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.brand-logo {
    width: 184px;
    height: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.035);
}

.nav-links a {
    padding: 10px 14px;
    border-radius: 6px;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 700;
    transition: background 0.2s ease, color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
    background: rgba(79, 140, 255, 0.14);
    color: var(--text);
}

.menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
}

.hero {
    min-height: 100vh;
    padding: 140px 0 72px;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    align-items: center;
    gap: 56px;
}

.hero-copy h1,
.section-heading h2,
.about-grid h2,
.contact-copy h2 {
    letter-spacing: 0;
    line-height: 1.04;
    font-weight: 800;
}

.hero-copy h1 {
    max-width: 780px;
    margin-top: 18px;
    font-size: clamp(2.6rem, 6vw, 5.6rem);
}

.hero-lead {
    max-width: 660px;
    margin-top: 22px;
    color: var(--muted-strong);
    font-size: clamp(1rem, 1.4vw, 1.18rem);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--cyan);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.btn {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 20px;
    border-radius: 8px;
    border: 1px solid transparent;
    text-decoration: none;
    font-weight: 800;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    color: #06101d;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    box-shadow: 0 16px 40px rgba(79, 140, 255, 0.25);
}

.btn-secondary {
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--line-strong);
}

.hero-proof {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 44px;
}

.hero-proof div {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.035);
}

.hero-proof strong {
    display: block;
    color: var(--text);
    font-size: 1.55rem;
    line-height: 1;
}

.hero-proof span {
    display: block;
    margin-top: 8px;
    color: var(--muted);
    font-size: 0.84rem;
}

.hero-visual {
    position: relative;
    min-height: 560px;
    display: grid;
    place-items: center;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.1), transparent 42%),
        linear-gradient(180deg, rgba(79, 140, 255, 0.16), rgba(48, 208, 145, 0.06)),
        var(--surface);
    box-shadow: var(--shadow);
}

.hero-visual::before {
    content: "";
    position: absolute;
    inset: 18px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
}

.hero-visual::after {
    content: "";
    position: absolute;
    width: 160%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.22), transparent);
    transform: rotate(-28deg);
}

.hero-logo {
    position: relative;
    z-index: 1;
    width: min(68%, 360px);
    filter: drop-shadow(0 28px 45px rgba(0, 0, 0, 0.5));
    animation: floatLogo 5s ease-in-out infinite;
}

.availability,
.stack-strip {
    position: absolute;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    background: rgba(8, 9, 11, 0.72);
    backdrop-filter: blur(14px);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

.availability {
    top: 28px;
    left: 28px;
    padding: 11px 13px;
    color: var(--muted-strong);
    font-size: 0.85rem;
    font-weight: 700;
}

.status-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 6px rgba(48, 208, 145, 0.14);
}

.stack-strip {
    right: 28px;
    bottom: 28px;
    flex-wrap: wrap;
    max-width: calc(100% - 56px);
    padding: 10px;
}

.stack-strip span {
    padding: 7px 10px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--muted-strong);
    font-size: 0.78rem;
    font-weight: 800;
}

.signal-band {
    padding: 28px 0;
    border-block: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.025);
}

.signal-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.signal-grid div {
    display: grid;
    gap: 7px;
}

.signal-grid span {
    color: var(--amber);
    font-weight: 900;
    font-size: 0.8rem;
}

.signal-grid strong {
    font-size: 1rem;
}

.signal-grid p {
    color: var(--muted);
    font-size: 0.92rem;
}

.section {
    padding: 104px 0;
}

.section-heading {
    max-width: 720px;
    margin-bottom: 46px;
}

.section-heading h2,
.about-grid h2,
.contact-copy h2 {
    margin-top: 12px;
    font-size: clamp(2rem, 4vw, 3.35rem);
}

.section-heading p,
.about-grid p,
.contact-copy p {
    margin-top: 16px;
    color: var(--muted);
    font-size: 1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.service-card,
.project-card,
.timeline article,
.skills-panel,
.contact-form {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.035);
}

.service-card {
    min-height: 244px;
    padding: 26px;
    transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.service-card:hover,
.project-card:hover,
.timeline article:hover {
    transform: translateY(-5px);
    border-color: rgba(69, 211, 255, 0.45);
    background: rgba(255, 255, 255, 0.055);
}

.service-card i {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    color: var(--cyan);
    background: rgba(69, 211, 255, 0.1);
    font-size: 1.25rem;
}

.service-card h3 {
    margin-top: 24px;
    font-size: 1.18rem;
}

.service-card p {
    margin-top: 10px;
    color: var(--muted);
    font-size: 0.95rem;
}

.projects-section {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.project-card {
    overflow: hidden;
    transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.project-card.featured {
    grid-column: span 2;
}

.project-media {
    position: relative;
    min-height: 200px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    padding: 22px;
    overflow: hidden;
    background:
        linear-gradient(135deg, rgba(79, 140, 255, 0.22), rgba(48, 208, 145, 0.08)),
        var(--surface-strong);
}

.project-media::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent);
}

.project-media i {
    position: relative;
    color: var(--cyan);
    font-size: 3rem;
}

.project-media span {
    position: relative;
    color: var(--muted-strong);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

.project-info {
    padding: 22px;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 18px;
}

.project-meta span,
.skills span,
.modal-tech span {
    padding: 7px 10px;
    border: 1px solid rgba(79, 140, 255, 0.2);
    border-radius: 6px;
    color: #cfe0ff;
    background: rgba(79, 140, 255, 0.08);
    font-size: 0.72rem;
    font-weight: 800;
}

.project-info h3 {
    font-size: 1.25rem;
}

.project-info p {
    margin-top: 10px;
    color: var(--muted);
    font-size: 0.94rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    border: 0;
    color: var(--cyan);
    background: transparent;
    font-weight: 900;
}

.project-link i {
    transition: transform 0.2s ease;
}

.project-link:hover i {
    transform: translateX(4px);
}

.timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    counter-reset: process;
}

.timeline article {
    position: relative;
    min-height: 230px;
    padding: 24px;
    transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.timeline span {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    color: #06101d;
    background: var(--green);
    font-weight: 900;
}

.timeline h3 {
    margin-top: 24px;
    font-size: 1.14rem;
}

.timeline p {
    margin-top: 10px;
    color: var(--muted);
    font-size: 0.93rem;
}

.about-section {
    background: rgba(255, 255, 255, 0.018);
}

.about-grid,
.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(340px, 0.82fr);
    gap: 56px;
    align-items: start;
}

.skills-panel {
    padding: 28px;
}

.skills-panel h3 {
    margin-bottom: 18px;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.contact-list {
    display: grid;
    gap: 12px;
    margin-top: 30px;
}

.contact-list a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--muted-strong);
    text-decoration: none;
    background: rgba(255, 255, 255, 0.035);
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.contact-list a:hover {
    transform: translateY(-2px);
    border-color: rgba(69, 211, 255, 0.45);
}

.contact-list i {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    color: var(--cyan);
    background: rgba(69, 211, 255, 0.1);
}

.contact-list span {
    display: grid;
    gap: 2px;
    min-width: 0;
    overflow-wrap: anywhere;
}

.contact-list strong {
    color: var(--text);
}

.contact-form {
    display: grid;
    gap: 16px;
    padding: 26px;
}

.contact-form label {
    display: grid;
    gap: 8px;
    color: var(--muted-strong);
    font-size: 0.88rem;
    font-weight: 800;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text);
    background: rgba(8, 9, 11, 0.7);
    padding: 14px;
    outline: 0;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: rgba(69, 211, 255, 0.72);
    box-shadow: 0 0 0 4px rgba(69, 211, 255, 0.1);
}

.site-footer {
    padding: 44px 0;
    border-top: 1px solid var(--line);
    background: #050608;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.footer-logo {
    width: 166px;
}

.social-links {
    display: flex;
    align-items: center;
    gap: 10px;
}

.social-links a {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.social-links a:hover {
    color: var(--cyan);
    border-color: rgba(69, 211, 255, 0.45);
    transform: translateY(-2px);
}

.site-footer p {
    color: var(--muted);
    font-size: 0.88rem;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(10px);
}

.modal.active {
    display: flex;
}

.modal-content {
    width: min(860px, 100%);
    max-height: min(820px, 88vh);
    overflow: auto;
    border: 1px solid rgba(69, 211, 255, 0.35);
    border-radius: 8px;
    background: #0e1116;
    box-shadow: var(--shadow);
}

.modal-header {
    position: sticky;
    top: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--line);
    background: rgba(14, 17, 22, 0.96);
}

.modal-close {
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
}

.modal-body {
    padding: 28px;
}

.modal-body h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    line-height: 1.1;
    margin-bottom: 22px;
}

.case-section {
    padding: 22px 0;
    border-top: 1px solid var(--line);
}

.case-section h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: var(--cyan);
    font-size: 1rem;
}

.case-section p,
.case-section li {
    color: var(--muted);
}

.case-section ul {
    display: grid;
    gap: 10px;
    list-style: none;
}

.case-section li {
    position: relative;
    padding-left: 26px;
}

.case-section li::before {
    content: "\f058";
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--green);
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
}

.modal-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.github-btn {
    margin-top: 18px;
}

.section-observe {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.section-observe.in-view {
    opacity: 1;
    transform: translateY(0);
}

@keyframes floatLogo {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-12px);
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }

    .section-observe {
        opacity: 1;
        transform: none;
    }
}

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

    .hero {
        padding-top: 122px;
    }

    .hero-visual {
        min-height: 460px;
    }

    .services-grid,
    .signal-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .projects-grid,
    .timeline {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-card.featured {
        grid-column: span 1;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 780px) {
    .container,
    .navbar {
        width: min(100% - 28px, 1160px);
    }

    .navbar {
        min-height: 72px;
    }

    .brand-logo {
        width: 136px;
    }

    .menu-btn {
        display: grid;
        place-items: center;
    }

    .nav-links {
        position: fixed;
        top: 72px;
        left: 14px;
        right: 14px;
        display: none;
        align-items: stretch;
        flex-direction: column;
        padding: 12px;
        background: rgba(8, 9, 11, 0.97);
        box-shadow: var(--shadow);
    }

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

    .nav-links a {
        padding: 14px;
    }

    .hero {
        min-height: auto;
        padding: 112px 0 64px;
    }

    .hero-proof,
    .services-grid,
    .signal-grid,
    .projects-grid,
    .timeline {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        min-height: 390px;
    }

    .availability,
    .stack-strip {
        left: 18px;
        right: 18px;
        max-width: none;
    }

    .stack-strip {
        justify-content: center;
    }

    .section {
        padding: 72px 0;
    }

    .project-media {
        min-height: 174px;
    }
}

@media (max-width: 520px) {
    .hero-actions,
    .btn {
        width: 100%;
    }

    .hero-copy h1 {
        font-size: 2.38rem;
    }

    .section-heading h2,
    .about-grid h2,
    .contact-copy h2 {
        font-size: 2rem;
    }

    .contact-form,
    .skills-panel,
    .modal-body {
        padding: 20px;
    }
}