/* =========================================================
   ЛИЧНОЕ ПОРТФОЛИО — ОСНОВНЫЕ СТИЛИ
   Совместимо с текущим index.html
========================================================= */

/* 1. ПЕРЕМЕННЫЕ И СБРОС */

:root {
    color-scheme: dark;

    --bg-main: #111019;
    --bg-secondary: #1d1b27;
    --bg-card: #22202d;
    --bg-card-hover: #2a2737;

    --accent: #9b7bf7;
    --accent-light: #b69aff;
    --accent-dark: #805ad5;

    --text-main: #f1f1f5;
    --text-secondary: #bcbcc8;
    --text-muted: #92929f;

    --border: #353242;
    --border-accent: #7658b8;

    --radius: 16px;
    --container-width: 1100px;

    --section-space: 76px;
    --card-shadow: 0 8px 28px rgba(0, 0, 0, 0.16);
    --card-hover-shadow:
        0 14px 36px rgba(0, 0, 0, 0.24),
        0 0 24px rgba(155, 123, 247, 0.12);
}

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

html {
    min-width: 320px;
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    min-width: 320px;
    margin: 0;
    overflow-x: hidden;

    color: var(--text-main);
    background: var(--bg-main);

    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;

    isolation: isolate;
}

a {
    color: inherit;
}

button {
    font: inherit;
}

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

::selection {
    color: #fff;
    background: rgba(155, 123, 247, 0.45);
}


/* 2. ФОНОВОЕ СВЕЧЕНИЕ И CANVAS */

body::before {
    content: "";
    position: fixed;
    inset: -20%;
    z-index: -2;
    pointer-events: none;

    background:
        radial-gradient(
            ellipse at 20% 25%,
            rgba(125, 75, 220, 0.22),
            transparent 40%
        ),
        radial-gradient(
            ellipse at 80% 65%,
            rgba(91, 55, 180, 0.20),
            transparent 38%
        ),
        radial-gradient(
            ellipse at 50% 100%,
            rgba(145, 75, 230, 0.12),
            transparent 35%
        );

    animation: purple-glow 18s ease-in-out infinite alternate;
}

#particles-bg {
    position: fixed;
    inset: 0;
    z-index: -1;

    display: block;
    width: 100%;
    height: 100%;

    pointer-events: none;
}

@keyframes purple-glow {
    0% {
        transform: translate3d(-2%, -1%, 0) scale(1);
    }

    50% {
        transform: translate3d(2%, 2%, 0) scale(1.06);
    }

    100% {
        transform: translate3d(-1%, 3%, 0) scale(1.02);
    }
}


/* 3. ОБЩИЙ КОНТЕЙНЕР */

.container {
    width: min(90%, var(--container-width));
    margin-inline: auto;
}


/* 4. ШАПКА И НАВИГАЦИЯ */

.header {
    position: sticky;
    top: 0;
    z-index: 100;

    background: rgba(29, 27, 39, 0.88);
    border-bottom: 1px solid var(--border);

    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
}

.header-inner {
    min-height: 80px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
}

.logo {
    flex: 0 0 auto;

    color: #fff;
    font-size: 25px;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}

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

.navigation {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 25px;
}

.navigation a {
    color: var(--text-secondary);
    font-size: 15px;
    text-decoration: none;

    transition: color 0.2s ease;
}

.navigation a:hover {
    color: var(--accent-light);
}

.menu-toggle {
    display: none;

    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 9px;

    color: #fff;
    background: var(--bg-card);

    font-size: 23px;
    line-height: 1;
    cursor: pointer;

    transition:
        background 0.2s ease,
        border-color 0.2s ease;
}

.menu-toggle:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
}


/* 5. ГЛАВНЫЙ ЭКРАН */

.hero {
    padding: 110px 0 100px;
    text-align: center;

    background:
        radial-gradient(
            ellipse at 50% 0%,
            rgba(128, 90, 213, 0.15),
            transparent 65%
        );
}

.hero-content {
    max-width: 850px;
    margin-inline: auto;
}

.hero-label {
    display: inline-block;
    margin-bottom: 20px;
    padding: 7px 15px;

    color: var(--accent-light);
    background: rgba(155, 123, 247, 0.07);
    border: 1px solid var(--border-accent);
    border-radius: 30px;

    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
}

.hero h1 {
    margin: 0 0 22px;

    color: #fff;
    font-size: clamp(34px, 5vw, 54px);
    line-height: 1.2;
    text-wrap: balance;
}

.hero h1 span {
    display: block;
    color: var(--accent-light);
}

.hero-description {
    max-width: 680px;
    margin: 0 auto;

    color: var(--text-secondary);
    font-size: 18px;
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;

    margin-top: 32px;
}


/* 6. ОБЩИЕ СЕКЦИИ И ЗАГОЛОВКИ */

section {
    padding: var(--section-space) 0;
}

.section-title {
    margin: 0 0 18px;

    color: #fff;
    font-size: clamp(27px, 4vw, 35px);
    line-height: 1.25;
    text-align: center;
    text-wrap: balance;
}

.section-description {
    max-width: 650px;
    margin: 0 auto 40px;

    color: var(--text-secondary);
    text-align: center;
}


/* 7. ОБО МНЕ */

.about-card {
    position: relative;
    overflow: hidden;

    width: 100%;
    padding: 34px;

    background:
        linear-gradient(
            110deg,
            rgba(155, 123, 247, 0.13),
            rgba(155, 123, 247, 0.035) 65%,
            rgba(255, 255, 255, 0.015)
        ),
        var(--bg-card);

    border: 1px solid var(--border-accent);
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);

    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}

.about-card::before,
.skill-card::before,
.figma-card::before,
.project-card::before {
    content: "";
    position: absolute;
    top: -90px;
    right: -90px;

    width: 210px;
    height: 210px;

    background: radial-gradient(
        circle,
        rgba(155, 123, 247, 0.14),
        transparent 70%
    );

    pointer-events: none;
}

.about-content,
.about-card > * {
    position: relative;
    z-index: 1;
}

.about-content h3,
.about-card h3 {
    margin: 0 0 14px;

    color: var(--accent-light);
    font-size: 21px;
    font-weight: 600;
}

.about-content p,
.about-card p {
    margin: 0 0 14px;

    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
}

.about-content p:last-child,
.about-card p:last-child {
    margin-bottom: 0;
}

.about-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-light);
    box-shadow: var(--card-hover-shadow);
}


/* 8. НАВЫКИ */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    align-items: stretch;
    gap: 24px;
}

.skill-card {
    position: relative;
    overflow: hidden;

    grid-column: span 2;
    min-width: 0;
    min-height: 290px;

    display: flex;
    flex-direction: column;
    align-items: flex-start;

    padding: 30px;

    background:
        linear-gradient(
            110deg,
            rgba(155, 123, 247, 0.13),
            rgba(155, 123, 247, 0.035) 65%,
            rgba(255, 255, 255, 0.015)
        ),
        var(--bg-card);

    border: 1px solid var(--border-accent);
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);

    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}

/* Центрируем нижний ряд из двух карточек */
.skill-card:nth-child(4) {
    grid-column: 2 / span 2;
}

.skill-card:nth-child(5) {
    grid-column: 4 / span 2;
}

.skill-icon {
    position: relative;
    z-index: 1;

    width: 58px;
    height: 58px;
    flex: 0 0 58px;

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;

    margin-bottom: 24px;

    background: rgba(155, 123, 247, 0.15);
    border: 1px solid rgba(155, 123, 247, 0.28);
    border-radius: 16px;
}

.skill-icon i,
.figma-icon i {
    font-size: 34px;
    line-height: 1;
    font-style: normal;
}

.skill-icon-pair {
    position: relative;
    z-index: 1;

    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;

    margin-bottom: 24px;
}

.skill-icon-pair .skill-icon {
    margin: 0;
    flex-shrink: 0;
}

.skill-card h3 {
    position: relative;
    z-index: 1;

    margin: 0 0 14px;

    color: var(--accent-light);
    font-size: 21px;
    font-weight: 600;
}

.skill-card p {
    position: relative;
    z-index: 1;

    flex-grow: 1;
    margin: 0 0 24px;

    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.75;
}

.skill-tag {
    position: relative;
    z-index: 1;

    display: inline-flex;
    align-items: center;

    margin-top: auto;
    padding: 7px 13px;

    color: var(--accent-light);
    background: rgba(155, 123, 247, 0.13);
    border: 1px solid rgba(155, 123, 247, 0.28);
    border-radius: 30px;

    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-light);
    box-shadow: var(--card-hover-shadow);
}

.skill-card:hover .skill-icon {
    background: rgba(155, 123, 247, 0.23);
    border-color: rgba(155, 123, 247, 0.45);
}


/* 9. FIGMA */

.figma-card {
    position: relative;
    overflow: hidden;

    width: 100%;
    max-width: 100%;

    display: flex;
    align-items: center;
    gap: 30px;

    margin-top: 30px;
    padding: 34px 36px;

    background:
        linear-gradient(
            110deg,
            rgba(155, 123, 247, 0.16),
            rgba(155, 123, 247, 0.04) 55%,
            rgba(255, 255, 255, 0.015)
        ),
        var(--bg-card);

    border: 1px solid var(--border-accent);
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);

    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}

.figma-card::before {
    width: 240px;
    height: 240px;
    right: -70px;
}

.figma-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-light);
    box-shadow: var(--card-hover-shadow);
}

.figma-icon {
    position: relative;
    z-index: 1;

    width: 76px;
    height: 76px;
    flex: 0 0 76px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: rgba(155, 123, 247, 0.13);
    border: 1px solid rgba(155, 123, 247, 0.25);
    border-radius: 20px;

    font-size: 42px;
}

.figma-content {
    position: relative;
    z-index: 1;
    min-width: 0;
}

.figma-card h3 {
    margin: 0 0 12px;

    color: var(--accent-light);
    font-size: 24px;
    font-weight: 600;
}

.figma-card p {
    margin: 0 0 18px;

    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.75;
}


/* 10. ПРОЕКТЫ */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
    gap: 25px;
}

.project-card {
    position: relative;
    overflow: hidden;

    min-width: 0;
    min-height: 290px;

    display: flex;
    flex-direction: column;
    align-items: flex-start;

    padding: 30px;

    background:
        linear-gradient(
            110deg,
            rgba(155, 123, 247, 0.13),
            rgba(155, 123, 247, 0.035) 65%,
            rgba(255, 255, 255, 0.015)
        ),
        var(--bg-card);

    border: 1px solid var(--border-accent);
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);

    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}

.project-icon {
    position: relative;
    z-index: 1;

    width: 58px;
    height: 58px;
    flex: 0 0 58px;

    display: flex;
    align-items: center;
    justify-content: center;

    margin-bottom: 24px;

    background: rgba(155, 123, 247, 0.15);
    border: 1px solid rgba(155, 123, 247, 0.28);
    border-radius: 16px;

    font-size: 30px;
}

.project-card h3 {
    position: relative;
    z-index: 1;

    margin: 0 0 14px;

    color: var(--accent-light);
    font-size: 21px;
    font-weight: 600;
}

.project-card p {
    position: relative;
    z-index: 1;

    flex-grow: 1;
    margin: 0 0 24px;

    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.75;
}

.project-status {
    position: relative;
    z-index: 1;

    display: inline-flex;
    align-items: center;

    margin-top: auto;
    padding: 7px 13px;

    color: var(--accent-light);
    background: rgba(155, 123, 247, 0.13);
    border: 1px solid rgba(155, 123, 247, 0.28);
    border-radius: 30px;

    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-light);
    box-shadow: var(--card-hover-shadow);
}

.project-card:hover .project-icon {
    background: rgba(155, 123, 247, 0.23);
    border-color: rgba(155, 123, 247, 0.45);
}

/* Третья карточка занимает всю ширину нижнего ряда */
.project-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
}


/* 11. КНОПКИ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 46px;
    padding: 12px 25px;

    color: #fff;
    background: var(--accent-dark);
    border: 1px solid var(--accent-dark);
    border-radius: 9px;

    font-size: 15px;
    font-weight: 600;
    line-height: 1.25;
    text-align: center;
    text-decoration: none;

    transition:
        background 0.25s ease,
        border-color 0.25s ease,
        color 0.25s ease,
        transform 0.25s ease,
        box-shadow 0.25s ease;
}

.btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 7px 20px rgba(128, 90, 213, 0.2);
}

.btn-outline {
    color: var(--accent-light);
    background: transparent;
    border-color: var(--border-accent);
}

.btn-outline:hover {
    color: #fff;
    background: rgba(155, 123, 247, 0.12);
}

.btn:active {
    transform: translateY(0);
}


/* 12. КОНТАКТЫ */

.contacts {
    text-align: center;

    background:
        radial-gradient(
            ellipse at 50% 100%,
            rgba(128, 90, 213, 0.12),
            transparent 70%
        );
}

.contacts .section-description {
    margin-bottom: 10px;
}

.contacts > .container > .btn {
    margin-top: 24px;
}


/* 13. ПОДВАЛ */

.footer {
    margin-top: 20px;
    padding: 30px 0;

    color: var(--text-muted);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);

    font-size: 14px;
    text-align: center;
}

.footer p {
    margin: 0;
}


/* 14. ДОСТУПНОСТЬ И ФОКУС */

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent-light);
    outline-offset: 4px;
}

button {
    -webkit-tap-highlight-color: transparent;
}


/* 15. ПЛАНШЕТЫ И НЕБОЛЬШИЕ НОУТБУКИ */

@media (max-width: 900px) {
    :root {
        --section-space: 64px;
    }

    .header-inner {
        gap: 16px;
    }

    .navigation {
        gap: 16px;
    }

    .navigation a {
        font-size: 14px;
    }

    .hero {
        padding: 90px 0 80px;
    }

    .skills-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 20px;
    }

    .skill-card {
        grid-column: span 2;
        padding: 26px;
    }

    .skill-card:nth-child(4) {
        grid-column: 1 / span 2;
    }

    .skill-card:nth-child(5) {
        grid-column: 3 / span 2;
    }

    .projects-grid {
        gap: 20px;
    }

    .project-card {
        padding: 26px;
    }
}


/* 16. СМАРТФОНЫ */

@media (max-width: 700px) {
    :root {
        --section-space: 52px;
    }

    .header-inner {
        min-height: 70px;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 0 12px;
    }

    .logo {
        font-size: 23px;
    }

    .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .navigation {
        display: none;

        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0;

        padding: 8px 0 16px;
    }

    .navigation.active {
        display: flex;
    }

    .navigation a {
        padding: 12px 10px;

        border-bottom: 1px solid var(--border);

        font-size: 15px;
    }

    .navigation a:last-child {
        border-bottom: 0;
    }

    .hero {
        padding: 72px 0 66px;
    }

    .hero-label {
        margin-bottom: 17px;
        padding: 7px 12px;

        font-size: 11px;
        letter-spacing: 1.4px;
    }

    .hero h1 {
        margin-bottom: 18px;
        font-size: clamp(31px, 7vw, 42px);
        line-height: 1.18;
    }

    .hero-description {
        max-width: 540px;
        font-size: 16px;
        line-height: 1.7;
    }

    .hero-buttons {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        margin-top: 27px;
    }

    .hero-buttons .btn {
        width: min(100%, 360px);
        align-self: center;
    }

    .section-title {
        font-size: clamp(27px, 7vw, 32px);
    }

    .section-description {
        margin-bottom: 30px;
        font-size: 15px;
    }

    .skills-grid,
    .projects-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 18px;
    }

    .skill-card,
    .skill-card:nth-child(4),
    .skill-card:nth-child(5),
    .project-card,
    .project-card:last-child:nth-child(odd) {
        grid-column: 1;
        min-height: 0;
        padding: 24px;
    }

    .skill-card p,
    .project-card p {
        margin-bottom: 22px;
    }

    .figma-card {
        align-items: flex-start;
        gap: 18px;
        margin-top: 22px;
        padding: 24px;
    }

    .figma-icon {
        width: 60px;
        height: 60px;
        flex-basis: 60px;
        border-radius: 16px;
        font-size: 34px;
    }

    .figma-icon i {
        font-size: 30px;
    }

    .figma-card h3 {
        font-size: 21px;
    }

    .about-card {
        padding: 25px;
    }

    .about-content h3,
    .about-card h3 {
        font-size: 20px;
    }
}


/* 17. ОЧЕНЬ МАЛЕНЬКИЕ ЭКРАНЫ */

@media (max-width: 400px) {
    .container {
        width: 92%;
    }

    .hero {
        padding: 64px 0 58px;
    }

    .hero h1 {
        font-size: 30px;
    }

    .hero-label {
        font-size: 10px;
        letter-spacing: 1px;
    }

    .figma-card {
        flex-direction: column;
        gap: 16px;
    }

    .skill-card,
    .project-card,
    .about-card {
        padding: 22px;
    }

    .btn {
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }
}


/* 18. УСТРОЙСТВА БЕЗ НАВЕДЕНИЯ */

@media (hover: none) {
    .about-card:hover,
    .skill-card:hover,
    .figma-card:hover,
    .project-card:hover,
    .btn:hover {
        transform: none;
        box-shadow: var(--card-shadow);
    }
}


/* 19. УМЕНЬШЕНИЕ ДВИЖЕНИЯ */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    body::before {
        animation: none;
    }

    .about-card:hover,
    .skill-card:hover,
    .figma-card:hover,
    .project-card:hover,
    .btn:hover {
        transform: none;
    }
}