:root {
    color-scheme: dark;
    --bg: #5a4cc9;
    --panel: #7f6be8;
    --panel-quiet: #6d5ad1;
    --text: #f6f6ff;
    --muted: #d8d4ff;
    --accent: #4be3b6;
    --accent-2: #7dc5a8;
    --card: rgba(255,255,255,0.08);
    --border: rgba(255,255,255,0.12);
    --shadow: 0 30px 90px rgba(0,0,0,0.22);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    min-height: 100%;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, rgba(143, 114, 255, 0.25), transparent 32%),
                linear-gradient(180deg, #6b53d8 0%, #302043 100%);
    color: var(--text);
}

body {
    margin: 0;
    padding: 0;
}

.page-shell {
    width: 100%;
    margin: 0 auto;
    padding: 28px 32px 40px;
    display: grid;
    gap: 24px;
}

.hero-card {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr;
    gap: 28px;
    background: linear-gradient(180deg, rgba(155, 124, 255, 0.24), rgba(116, 84, 244, 0.22));
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: 32px;
    padding: 32px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.full-screen-section {
    width: 100%;
}

.page-preview {
    display: grid;
    gap: 20px;
    width: 100%;
    border-radius: 32px;
    background: transparent;
    border: none;
    padding: 28px 32px 32px;
}

.preview-nav {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}

.preview-tab {
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.08);
    color: var(--muted);
    padding: 12px 18px;
    border-radius: 16px;
    cursor: pointer;
    transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease;
    font-weight: 700;
    min-height: 48px;
}

.preview-tab.active {
    background: linear-gradient(135deg, #8ee9d4, #39d2c6);
    color: #1a1b28;
    transform: translateY(0);
}

.preview-canvas {
    position: relative;
    min-height: 380px;
    overflow-x: hidden;
    overflow-y: visible;
}

.preview-card {
    position: relative;
    width: 100%;
    padding: 0;
    display: grid;
    align-content: start;
    gap: 16px;
    border-radius: 0;
    background: transparent;
    border: none;
    box-shadow: none;
}

.preview-card-content {
    padding: 24px 0 0;
    max-width: 920px;
}

.preview-card-content h2 {
    font-size: clamp(2.4rem, 4vw, 3.4rem);
    margin: 0 0 16px;
}

.preview-card-content p,
.preview-card-content ul {
    margin: 0;
    color: rgba(255,255,255,0.88);
    line-height: 1.8;
    font-size: 1rem;
}

.preview-features {
    margin: 0;
    padding-left: 1.25rem;
    list-style: disc;
}

.preview-features li {
    margin-bottom: 0.9rem;
    max-width: 860px;
    display: grid;
    gap: 0.3rem;
}

.preview-feature-title {
    font-size: 1.15rem;
    display: block;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.15rem;
}

.preview-feature-date {
    display: block;
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.preview-feature-title a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid rgba(255,255,255,0.3);
    transition: border-color 0.2s ease;
}

.preview-feature-title a:hover {
    border-bottom-color: #ffffff;
}

.preview-feature-article {
    display: inline-block;
    margin-top: 0.4rem;
    color: #8ee9d4;
    text-decoration: none;
    font-size: 0.95rem;
}

.preview-feature-article:hover {
    text-decoration: underline;
}

.preview-card-content .mini-label {
    margin: 0 0 12px;
    color: rgba(255,255,255,0.72);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-weight: 700;
}

.preview-card h2 {
    font-size: clamp(2.4rem, 4vw, 3.6rem);
    margin: 0;
}

.preview-card p {
    margin: 0;
    color: rgba(255,255,255,0.88);
    line-height: 1.8;
    max-width: 900px;
}

@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

@keyframes slideOutLeft {
    from { transform: translateX(0); }
    to { transform: translateX(-100%); }
}

@keyframes slideInLeft {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

@keyframes slideOutRight {
    from { transform: translateX(0); }
    to { transform: translateX(100%); }
}

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

@keyframes fadeOutUp {
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}

.project-card.fade-out {
    animation: fadeOutUp 0.25s forwards ease;
}

.slide-in-from-right {
    animation: slideInRight 0.45s ease forwards;
}

.slide-out-left {
    animation: slideOutLeft 0.35s ease forwards;
}

.slide-in-from-left {
    animation: slideInLeft 0.45s ease forwards;
}

.slide-out-right {
    animation: slideOutRight 0.35s ease forwards;
}

.languages-section {
    display: grid;
    gap: 24px;
    width: 100%;
    background: transparent;
    border: none;
    border-radius: 32px;
    padding: 32px;
    min-height: auto;
}

.language-actions {
    display: grid;
    gap: 18px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}

.language-tabs {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.language-tab {
    border: 1px solid rgba(255,255,255,0.16);
    background: rgba(255,255,255,0.08);
    color: var(--muted);
    padding: 12px 18px;
    border-radius: 18px;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
    font-weight: 700;
    min-height: 48px;
}

.language-tab.active {
    background: linear-gradient(135deg, #8ee9d4, #39d2c6);
    color: #1a1b28;
    transform: translateY(0);
}

.language-description {
    margin: 0;
    color: rgba(255,255,255,0.82);
    max-width: 760px;
    line-height: 1.7;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 22px;
}

.project-card {
    aspect-ratio: 1 / 1;
    display: grid;
    grid-template-rows: auto 1fr auto auto;
    padding: 24px;
    background: linear-gradient(180deg, rgba(71,152,255,0.16), rgba(8,48,68,0.25));
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 28px;
    box-shadow: 0 24px 60px rgba(0,0,0,0.18);
    opacity: 0;
    transform: translateY(20px);
    animation: appearUp 0.2s forwards ease;
}

.project-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.project-card-top .project-title {
    font-size: 1rem;
    font-weight: 800;
    color: #f5f7ff;
}

.project-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,0.12);
    color: #ebf4ff;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 700;
}

.project-description {
    margin: 0 0 14px;
    color: rgba(255,255,255,0.84);
    line-height: 1.8;
}

.project-meta {
    margin-bottom: 16px;
    color: rgba(255,255,255,0.72);
    font-size: 0.95rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.project-tags span {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 16px;
    padding: 8px 12px;
    font-size: 0.84rem;
    color: rgba(255,255,255,0.84);
}

.project-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 14px 18px;
    border-radius: 16px;
    background: rgba(0,0,0,0.3);
    color: #eef5ff;
    text-decoration: none;
    font-weight: 700;
    transition: background 0.2s ease;
}

.project-link:hover {
    background: rgba(0,0,0,0.45);
}

.contact-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    border-radius: 32px;
    padding: 32px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
}

.contact-left {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 24px;
    padding: 0;
    background: transparent;
    border: none;
}

.contact-left h1 {
    margin: 0;
    font-size: clamp(3rem, 5vw, 4.5rem);
    line-height: 1.05;
}

.contact-email {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.88);
}

.contact-links-list {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}

.contact-links-list a {
    color: #c8e7ff;
    text-decoration: none;
    font-weight: 700;
    border-bottom: 1px solid rgba(255,255,255,0.12);
    padding-bottom: 6px;
}

.contact-form-wrapper {
    display: grid;
    align-content: center;
    min-height: 100%;
}

.contact-form {
    display: grid;
    gap: 18px;
    padding: 34px;
    background: rgba(0,0,0,0.22);
    border-radius: 28px;
    border: 1px solid rgba(255,255,255,0.08);
}

.contact-form textarea {
    min-height: 260px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    color: rgba(255,255,255,0.78);
    font-size: 0.95rem;
    font-weight: 600;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 16px;
    padding: 16px 18px;
    background: rgba(255,255,255,0.06);
    color: var(--text);
    font-size: 1rem;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(246,246,255,0.48);
}

.contact-form button {
    border: none;
    border-radius: 16px;
    padding: 16px 18px;
    background: linear-gradient(135deg, #44b98b, #1f735e);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    transition: filter 0.2s ease;
}

.contact-form button:hover {
    filter: brightness(1.05);
}

.contact-feedback {
    margin: 0;
    color: #b8ffd2;
    font-size: 0.95rem;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.contact-feedback.visible {
    opacity: 1;
    transform: translateY(0);
}

.code-runner-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 16, 34, 0.85);
    backdrop-filter: blur(8px);
    z-index: 1000;
    padding: 24px;
    overflow-y: auto;
    align-items: center;
    justify-content: center;
}

.code-runner-modal.visible {
    display: flex;
}

.code-runner-panel {
    width: min(1100px, 100%);
    max-height: calc(100vh - 48px);
    display: grid;
    gap: 16px;
    padding: 24px;
    border-radius: 24px;
    background: rgba(15, 20, 48, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 40px 120px rgba(0, 0, 0, 0.35);
}

.code-runner-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.code-runner-header h2 {
    margin: 0;
    font-size: 1.45rem;
}

.code-runner-header p {
    margin: 4px 0 0;
    color: rgba(255, 255, 255, 0.72);
}

.code-runner-close {
    border: none;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    line-height: 1;
}

.code-runner-editor {
    width: 100%;
    min-height: 420px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(0, 0, 0, 0.18);
    color: var(--text);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.95rem;
    padding: 18px;
    resize: vertical;
    white-space: pre-wrap;
    overflow-wrap: break-word;
}

.code-runner-footer {
    display: grid;
    gap: 16px;
}

.code-runner-run-button {
    border: none;
    border-radius: 16px;
    padding: 16px 24px;
    background: linear-gradient(135deg, #44b98b, #1f735e);
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    width: fit-content;
}

.code-runner-output-panel {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    padding: 18px;
}

.code-runner-output-panel h3 {
    margin: 0 0 12px;
    font-size: 1rem;
    color: var(--text);
}

.code-runner-output {
    width: 100%;
    min-height: 180px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 14px;
    padding: 16px;
    color: var(--text);
    white-space: pre-wrap;
    overflow-wrap: break-word;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.95rem;
}

@media (max-width: 1024px) {
    .hero-card {
        grid-template-columns: 1fr;
    }
    .page-preview,
    .languages-section,
    .contact-panel {
        padding: 24px;
    }
    .preview-canvas {
        min-height: calc(100vh - 220px);
    }
    .contact-panel {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    body {
        padding: 18px;
    }
    .preview-nav {
        display: grid;
        grid-template-columns: 1fr;
    }
    .preview-tab,
    .language-tab {
        width: 100%;
    }
    .language-tabs {
        justify-content: stretch;
    }
    .language-tab {
        flex: 1 1 100%;
    }
    .contact-left h1 {
        font-size: 3rem;
    }
}

.eyebrow {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

h1 {
    margin: 0;
    font-size: clamp(2.8rem, 3.8vw, 4.6rem);
    letter-spacing: -0.04em;
}

.subheading {
    margin: 0;
    color: var(--muted);
    font-size: 1.05rem;
}

.hero-detail {
    display: grid;
    gap: 18px;
}

.hero-detail h2 {
    margin: 0 0 10px 0;
    font-size: 1.25rem;
}

.hero-detail p {
    margin: 0;
    line-height: 1.8;
    color: rgba(246,246,255,0.88);
}

.hero-arrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--muted);
}

.hero-arrow .arrow {
    display: inline-flex;
    font-size: 1.1rem;
}

.hero-image {
    position: relative;
    min-height: 280px;
    display: grid;
    place-items: center;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 28px;
}

.portrait-ring {
    width: 170px;
    height: 170px;
    border-radius: 50%;
    background: radial-gradient(circle at 40% 30%, #c1d4ff 18%, #6d60e5 43%, transparent 60%);
    box-shadow: inset 0 0 0 2px rgba(255,255,255,0.16), 0 22px 48px rgba(0,0,0,0.25);
}

.hero-tag {
    position: absolute;
    bottom: 26px;
    right: 24px;
    color: var(--muted);
    font-size: 0.95rem;
}