/* ── Tokens ─────────────────────────────────────────────── */
    :root {
        --ink: #1a1a2e;
        --ink-soft: #4a4a6a;
        --cream: #faf8f5;
        --paper: #ffffff;
        --accent: #7b5ea7;
        /* глубокий фиолетовый — нота на нотном стане */
        --accent-lt: #b89fd4;
        --gold: #c9a84c;
        /* золото — струны, медь инструментов */
        --line: #e8e4f0;
        --radius: 12px;
        --shadow: 0 4px 24px rgba(123, 94, 167, 0.10);
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: 'Inter', sans-serif;
        background: var(--cream);
        color: var(--ink);
        line-height: 1.7;
        font-size: 16px;
    }

    img {
        display: block;
        max-width: 100%;
        border-radius: var(--radius);
    }

    a {
        color: var(--accent);
        text-decoration: none;
    }

    a:hover {
        text-decoration: underline;
    }

    /* ── Nav ────────────────────────────────────────────────── */
    nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
        background: rgba(250, 248, 245, 0.92);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--line);
        padding: 0 24px;
    }

    .nav-inner {
        max-width: 1100px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 60px;
    }

    .nav-logo {
        font-family: 'Playfair Display', serif;
        font-size: 1.1rem;
        font-weight: 600;
        color: var(--accent);
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .nav-logo .clef {
        font-size: 1.5rem;
    }

    .nav-links {
        display: flex;
        gap: 6px;
        list-style: none;
        flex-wrap: wrap;
    }

    .nav-links a {
        font-size: 0.85rem;
        font-weight: 500;
        color: var(--ink-soft);
        padding: 6px 12px;
        border-radius: 20px;
        transition: background 0.2s, color 0.2s;
    }

    .nav-links a:hover {
        background: var(--line);
        color: var(--accent);
        text-decoration: none;
    }

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

    .burger span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--ink);
        border-radius: 2px;
        transition: transform 0.3s, opacity 0.3s;
    }

    /* ── Layout helpers ─────────────────────────────────────── */
    .container {
        max-width: 1100px;
        margin: 0 auto;
        padding: 0 24px;
    }

    section {
        padding: 80px 0;
    }

    section:nth-child(even) {
        background: var(--paper);
    }

    .section-eyebrow {
        font-size: 0.75rem;
        font-weight: 600;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: var(--gold);
        margin-bottom: 10px;
    }

    .section-title {
        font-family: 'Playfair Display', serif;
        font-size: clamp(1.6rem, 3vw, 2.4rem);
        font-weight: 700;
        line-height: 1.25;
        margin-bottom: 16px;
    }

    .section-lead {
        font-size: 1.05rem;
        color: var(--ink-soft);
        max-width: 640px;
        margin-bottom: 48px;
    }

    /* ── Hero ───────────────────────────────────────────────── */
    #hero {
        min-height: 100vh;
        background: var(--ink);
        display: flex;
        align-items: center;
        position: relative;
        overflow: hidden;
        padding-top: 60px;
    }

    .hero-bg {
        position: absolute;
        inset: 0;
        background:
            radial-gradient(ellipse 70% 60% at 80% 50%, rgba(123, 94, 167, 0.25) 0%, transparent 70%),
            radial-gradient(ellipse 40% 40% at 20% 80%, rgba(201, 168, 76, 0.12) 0%, transparent 60%);
    }

    /* Decorative staff lines */
    .staff-lines {
        position: absolute;
        bottom: 60px;
        left: 0;
        right: 0;
        display: flex;
        flex-direction: column;
        gap: 14px;
        opacity: 0.07;
        pointer-events: none;
    }

    .staff-line {
        height: 1px;
        background: white;
    }

    .hero-content {
        position: relative;
        z-index: 2;
        max-width: 1100px;
        margin: 0 auto;
        padding: 0 24px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
        align-items: center;
    }

    .hero-text {
        color: white;
    }

    .hero-tag {
        display: inline-block;
        font-size: 0.75rem;
        font-weight: 600;
        letter-spacing: 0.14em;
        text-transform: uppercase;
        color: var(--gold);
        border: 1px solid rgba(201, 168, 76, 0.4);
        border-radius: 20px;
        padding: 5px 14px;
        margin-bottom: 24px;
    }

    .hero-title {
        font-family: 'Playfair Display', serif;
        font-size: clamp(2rem, 4.5vw, 3.6rem);
        font-weight: 700;
        line-height: 1.15;
        margin-bottom: 20px;
    }

    .hero-title em {
        font-style: normal;
        color: var(--accent-lt);
    }

    .hero-sub {
        font-size: 1.05rem;
        color: rgba(255, 255, 255, 0.65);
        margin-bottom: 36px;
        max-width: 460px;
    }

    .hero-cta {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--accent);
        color: white;
        font-weight: 600;
        font-size: 0.95rem;
        padding: 14px 28px;
        border-radius: 40px;
        transition: background 0.2s, transform 0.2s;
    }

    .hero-cta:hover {
        background: #6a4f92;
        text-decoration: none;
        transform: translateY(-2px);
    }

    .hero-image-wrap {
        position: relative;
    }

    .hero-stats {
        display: flex;
        gap: 24px;
        margin-top: 40px;
    }

    .stat {
        flex: 1;
    }

    .stat-num {
        font-family: 'Playfair Display', serif;
        font-size: 2rem;
        font-weight: 700;
        color: var(--gold);
    }

    .stat-label {
        font-size: 0.8rem;
        color: rgba(255, 255, 255, 0.5);
    }

    /* ── Course ─────────────────────────────────────────────── */
    #course .goals-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        margin-bottom: 48px;
    }

    .goal-card {
        background: var(--cream);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        padding: 28px;
        transition: box-shadow 0.2s, transform 0.2s;
    }

    .goal-card:hover {
        box-shadow: var(--shadow);
        transform: translateY(-3px);
    }

    .goal-num {
        font-family: 'Playfair Display', serif;
        font-size: 2.2rem;
        font-weight: 700;
        color: var(--accent);
        line-height: 1;
        margin-bottom: 12px;
        opacity: 0.5;
    }

    .goal-card h3 {
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 8px;
    }

    .goal-card p {
        font-size: 0.9rem;
        color: var(--ink-soft);
    }

    .course-result {
        background: linear-gradient(135deg, var(--accent), #5a3d82);
        color: white;
        border-radius: var(--radius);
        padding: 36px 40px;
        display: flex;
        gap: 24px;
        align-items: flex-start;
    }

    .course-result .cr-icon {
        font-size: 2.5rem;
        flex-shrink: 0;
        margin-top: 2px;
    }

    .course-result h3 {
        font-family: 'Playfair Display', serif;
        font-size: 1.2rem;
        margin-bottom: 10px;
    }

    .course-result ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    .course-result li::before {
        content: "♩ ";
        color: var(--gold);
    }

    .course-result li {
        font-size: 0.9rem;
        opacity: 0.9;
    }

    /* ── Tasks ──────────────────────────────────────────────── */
    #tasks {
        background: var(--paper);
    }

    .tasks-list {
        display: flex;
        flex-direction: column;
        gap: 32px;
    }

    .task-block {
        display: grid;
        grid-template-columns: 64px 1fr;
        gap: 24px;
        align-items: start;
    }

    .task-num-badge {
        width: 56px;
        height: 56px;
        flex-shrink: 0;
        background: var(--accent);
        color: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: 'Playfair Display', serif;
        font-size: 1.3rem;
        font-weight: 700;
    }

    .task-body {}

    .task-body h3 {
        font-family: 'Playfair Display', serif;
        font-size: 1.15rem;
        margin-bottom: 6px;
    }

    .task-body p {
        font-size: 0.95rem;
        color: var(--ink-soft);
        margin-bottom: 14px;
    }

    .video-placeholder {
        background: linear-gradient(135deg, #1a1a2e, #2d2d50);
        border-radius: var(--radius);
        aspect-ratio: 16/9;
        max-width: 480px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 10px;
        color: rgba(255, 255, 255, 0.4);
        font-size: 0.85rem;
    }

    .video-placeholder .play {
        font-size: 2.5rem;
    }

    .rebuses-grid {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        gap: 12px;
        max-width: 560px;
    }

    .rebus-item {
        aspect-ratio: 1;
        background: var(--line);
        border-radius: 8px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        font-size: 0.7rem;
        color: var(--ink-soft);
        text-align: center;
        padding: 6px;
    }

    .rebus-item .ri-icon {
        font-size: 1.4rem;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 0.9rem;
        font-weight: 600;
        padding: 10px 20px;
        border-radius: 30px;
        transition: background 0.2s, transform 0.2s;
    }

    .btn-primary {
        background: var(--accent);
        color: white;
    }

    .btn-primary:hover {
        background: #6a4f92;
        text-decoration: none;
        transform: translateY(-1px);
    }

    .btn-outline {
        background: transparent;
        color: var(--accent);
        border: 2px solid var(--accent);
    }

    .btn-outline:hover {
        background: var(--accent);
        color: white;
        text-decoration: none;
    }

    .test-banner {
        background: linear-gradient(135deg, #c9a84c22, #c9a84c08);
        border: 1px solid var(--gold);
        border-radius: var(--radius);
        padding: 24px 28px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        flex-wrap: wrap;
    }

    .test-banner h3 {
        font-family: 'Playfair Display', serif;
        font-size: 1.1rem;
    }

    .test-banner p {
        font-size: 0.85rem;
        color: var(--ink-soft);
    }

    .btn-gold {
        background: var(--gold);
        color: white;
        white-space: nowrap;
    }

    .btn-gold:hover {
        background: #b08a38;
        text-decoration: none;
    }

    .divider {
        border: none;
        border-top: 1px solid var(--line);
        margin: 32px 0;
    }

    /* ── Portfolio ──────────────────────────────────────────── */
    #portfolio {
        background: var(--cream);
    }

    .portfolio-grid {
        display: grid;
        grid-template-columns: 280px 1fr;
        gap: 48px;
        align-items: start;
    }

    .portfolio-photo {
        width: 100%;
        aspect-ratio: 3/4;
        background: linear-gradient(145deg, var(--line), #d8d0ec);
        border-radius: var(--radius);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 10px;
        color: var(--ink-soft);
        font-size: 0.8rem;
        text-align: center;
        /* padding: 20px; */
    }

    .portfolio-photo .ph-icon {
        font-size: 3rem;
    }

    .portfolio-info h3 {
        font-family: 'Playfair Display', serif;
        font-size: 1.5rem;
        margin-bottom: 4px;
    }

    .portfolio-meta {
        font-size: 0.85rem;
        color: var(--ink-soft);
        margin-bottom: 28px;
    }

    .skills-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .skill-item {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        background: var(--paper);
        border: 1px solid var(--line);
        border-radius: 10px;
        padding: 16px 20px;
    }

    .skill-icon {
        font-size: 1.4rem;
        flex-shrink: 0;
    }

    .skill-item p {
        font-size: 0.9rem;
        color: var(--ink);
    }

    /* ── Services ───────────────────────────────────────────── */
    #services {
        background: var(--paper);
    }

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

    .service-card {
        border: 1px solid var(--line);
        border-radius: var(--radius);
        overflow: hidden;
        transition: box-shadow 0.2s, transform 0.2s;
        background: var(--paper);
    }

    .service-card:hover {
        box-shadow: var(--shadow);
        transform: translateY(-4px);
    }

    .service-img {
        width: 100%;
        aspect-ratio: 16/9;
        background: linear-gradient(135deg, var(--line), #d8d0ec);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 2.5rem;
        color: var(--accent);
    }

    .service-body {
        padding: 20px;
    }

    .service-body h3 {
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 6px;
    }

    .service-body p {
        font-size: 0.85rem;
        color: var(--ink-soft);
        margin-bottom: 14px;
    }

    .service-link {
        font-size: 0.82rem;
        font-weight: 600;
        color: var(--accent);
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }

    /* ── Sources ────────────────────────────────────────────── */
    #sources {
        background: var(--cream);
    }

    .sources-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .source-item {
        display: flex;
        align-items: center;
        gap: 16px;
        background: var(--paper);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        padding: 20px;
    }

    .source-num {
        width: 40px;
        height: 40px;
        flex-shrink: 0;
        background: var(--accent);
        color: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: 'Playfair Display', serif;
        font-weight: 700;
        font-size: 1.1rem;
    }

    .source-item h4 {
        font-size: 0.95rem;
        font-weight: 600;
        margin-bottom: 3px;
    }

    .source-item p {
        font-size: 0.82rem;
        color: var(--ink-soft);
    }

    /* ── Footer ─────────────────────────────────────────────── */
    footer {
        background: var(--ink);
        color: rgba(255, 255, 255, 0.45);
        text-align: center;
        padding: 28px 24px;
        font-size: 0.8rem;
    }

    footer span {
        color: rgba(255, 255, 255, 0.7);
    }

    /* ── Responsive ─────────────────────────────────────────── */
    @media (max-width: 900px) {
        .hero-content {
            grid-template-columns: 1fr;
        }

        .hero-image-wrap {
            display: none;
        }

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

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

        .portfolio-photo {
            aspect-ratio: 3/2;
            max-width: 320px;
        }

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

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

    @media (max-width: 600px) {
        section {
            padding: 56px 0;
        }

        .nav-links {
            display: none;
        }

        .nav-links.open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 60px;
            left: 0;
            right: 0;
            background: var(--cream);
            border-bottom: 1px solid var(--line);
            padding: 12px 24px 20px;
        }

        .nav-links.open a {
            padding: 10px 0;
        }

        .burger {
            display: flex;
        }

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

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

        .rebuses-grid {
            grid-template-columns: repeat(3, 1fr);
        }

        .task-block {
            grid-template-columns: 48px 1fr;
            gap: 16px;
        }

        .hero-stats {
            flex-direction: column;
            gap: 12px;
        }

        .course-result {
            flex-direction: column;
        }

        .test-banner {
            flex-direction: column;
            align-items: flex-start;
        }
    }

    @media (prefers-reduced-motion: reduce) {
        * {
            transition: none !important;
            scroll-behavior: auto !important;
        }
    }