/* DDJ — Landing page */

:root {
    --ddj-bg: #070a14;
    --ddj-surface: #101522;
    --ddj-surface2: #161d2e;
    --ddj-border: rgba(124, 77, 255, 0.28);
    --ddj-text: #eef2ff;
    --ddj-muted: #94a3b8;
    --ddj-accent: #7c4dff;
    --ddj-accent2: #00e5c7;
    --ddj-deck-a: #5c6bc0;
    --ddj-deck-b: #ec407a;
    --ddj-radius: 14px;
    --ddj-font: 'Segoe UI', system-ui, sans-serif;
    --ddj-max: 1120px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--ddj-font);
    color: var(--ddj-text);
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(124, 77, 255, 0.22), transparent 55%),
        radial-gradient(ellipse 60% 40% at 100% 20%, rgba(0, 229, 199, 0.1), transparent 50%),
        var(--ddj-bg);
    line-height: 1.6;
}

a {
    color: var(--ddj-accent2);
}

.ddj-landing {
    min-height: 100vh;
}

.ddj-landing-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem clamp(1rem, 4vw, 2rem);
    background: rgba(7, 10, 20, 0.88);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--ddj-border);
}

.ddj-landing-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: var(--ddj-text);
}

.ddj-landing-brand img {
    height: 42px;
    width: auto;
    display: block;
}

.ddj-landing-brand span {
    font-weight: 700;
    letter-spacing: 0.04em;
    font-size: 0.95rem;
}

.ddj-landing-nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.ddj-landing-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.65rem 1.15rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 600;
    font-size: 0.92rem;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.ddj-landing-btn:hover {
    transform: translateY(-1px);
}

.ddj-landing-btn--ghost {
    color: var(--ddj-muted);
    background: transparent;
    border-color: rgba(148, 163, 184, 0.25);
}

.ddj-landing-btn--ghost:hover {
    color: var(--ddj-text);
    border-color: rgba(148, 163, 184, 0.45);
}

.ddj-landing-btn--primary {
    color: #041018;
    background: linear-gradient(135deg, var(--ddj-accent2), #00c4a7);
    box-shadow: 0 8px 28px rgba(0, 229, 199, 0.25);
}

.ddj-landing-btn--secondary {
    color: #fff;
    background: linear-gradient(135deg, var(--ddj-accent), #5b3fd4);
    box-shadow: 0 8px 28px rgba(124, 77, 255, 0.28);
}

.ddj-landing-hero {
    padding: clamp(3rem, 8vw, 5.5rem) clamp(1rem, 4vw, 2rem) 3rem;
    max-width: var(--ddj-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}

.ddj-landing-badge {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ddj-accent2);
    background: rgba(0, 229, 199, 0.1);
    border: 1px solid rgba(0, 229, 199, 0.28);
    margin-bottom: 1rem;
}

.ddj-landing-hero h1 {
    margin: 0 0 1rem;
    font-size: clamp(2rem, 5vw, 3.2rem);
    line-height: 1.12;
    letter-spacing: -0.03em;
}

.ddj-landing-hero h1 em {
    font-style: normal;
    background: linear-gradient(90deg, var(--ddj-accent2), var(--ddj-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.ddj-landing-lead {
    margin: 0 0 1.75rem;
    color: var(--ddj-muted);
    font-size: clamp(1rem, 2.2vw, 1.15rem);
    max-width: 36rem;
}

.ddj-landing-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.ddj-landing-note {
    margin: 0;
    font-size: 0.88rem;
    color: var(--ddj-muted);
}

.ddj-landing-visual {
    position: relative;
    border-radius: calc(var(--ddj-radius) + 4px);
    background: linear-gradient(145deg, rgba(124, 77, 255, 0.14), rgba(0, 229, 199, 0.08));
    border: 1px solid var(--ddj-border);
    padding: 1.25rem;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.ddj-landing-mock {
    border-radius: var(--ddj-radius);
    background: var(--ddj-surface);
    border: 1px solid rgba(42, 42, 61, 0.9);
    overflow: hidden;
}

.ddj-landing-mock-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--ddj-surface2);
    border-bottom: 1px solid rgba(42, 42, 61, 0.8);
    font-size: 0.78rem;
    color: var(--ddj-muted);
}

.ddj-landing-mock-decks {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem;
    padding: 1rem;
}

.ddj-landing-mock-deck {
    border-radius: 10px;
    padding: 0.85rem;
    background: rgba(20, 20, 31, 0.9);
    border: 1px solid rgba(42, 42, 61, 0.75);
}

.ddj-landing-mock-deck--a {
    border-top: 3px solid var(--ddj-deck-a);
}

.ddj-landing-mock-deck--b {
    border-top: 3px solid var(--ddj-deck-b);
}

.ddj-landing-mock-deck strong {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
    color: var(--ddj-muted);
}

.ddj-landing-wave {
    height: 42px;
    border-radius: 6px;
    background:
        repeating-linear-gradient(90deg,
            rgba(124, 77, 255, 0.15) 0 3px,
            transparent 3px 7px);
    position: relative;
    overflow: hidden;
}

.ddj-landing-wave::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(0, 229, 199, 0.35), transparent);
    animation: ddj-wave-scan 2.8s ease-in-out infinite;
}

@keyframes ddj-wave-scan {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

.ddj-landing-section {
    padding: clamp(3rem, 6vw, 4.5rem) clamp(1rem, 4vw, 2rem);
}

.ddj-landing-section--alt {
    background: rgba(16, 21, 34, 0.65);
    border-block: 1px solid rgba(42, 42, 61, 0.5);
}

.ddj-landing-section-inner {
    max-width: var(--ddj-max);
    margin: 0 auto;
}

.ddj-landing-section h2 {
    margin: 0 0 0.75rem;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    letter-spacing: -0.02em;
}

.ddj-landing-section-intro {
    margin: 0 0 2.25rem;
    color: var(--ddj-muted);
    max-width: 42rem;
}

.ddj-landing-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.15rem;
}

.ddj-landing-feature {
    padding: 1.35rem;
    border-radius: var(--ddj-radius);
    background: var(--ddj-surface);
    border: 1px solid rgba(42, 42, 61, 0.75);
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.ddj-landing-feature:hover {
    border-color: var(--ddj-border);
    transform: translateY(-3px);
}

.ddj-landing-feature-icon {
    font-size: 1.6rem;
    margin-bottom: 0.65rem;
}

.ddj-landing-feature h3 {
    margin: 0 0 0.45rem;
    font-size: 1.05rem;
}

.ddj-landing-feature p {
    margin: 0;
    color: var(--ddj-muted);
    font-size: 0.92rem;
}

.ddj-landing-modes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.ddj-landing-mode {
    padding: 1.5rem;
    border-radius: var(--ddj-radius);
    background: linear-gradient(160deg, rgba(124, 77, 255, 0.12), rgba(16, 21, 34, 0.95));
    border: 1px solid var(--ddj-border);
}

.ddj-landing-mode h3 {
    margin: 0 0 0.65rem;
    font-size: 1.2rem;
}

.ddj-landing-mode ul {
    margin: 0;
    padding-left: 1.15rem;
    color: var(--ddj-muted);
}

.ddj-landing-mode li {
    margin-bottom: 0.35rem;
}

.ddj-landing-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}

.ddj-landing-plan {
    padding: 1.5rem;
    border-radius: var(--ddj-radius);
    background: var(--ddj-surface);
    border: 1px solid rgba(42, 42, 61, 0.75);
}

.ddj-landing-plan--full {
    border-color: rgba(0, 229, 199, 0.35);
    box-shadow: 0 0 0 1px rgba(0, 229, 199, 0.08);
}

.ddj-landing-plan h3 {
    margin: 0 0 0.35rem;
}

.ddj-landing-plan-tag {
    display: inline-block;
    margin-bottom: 0.85rem;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--ddj-accent2);
}

.ddj-landing-plan ul {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--ddj-muted);
    font-size: 0.92rem;
}

.ddj-landing-cta-band {
    text-align: center;
    padding: clamp(2.5rem, 5vw, 3.5rem) clamp(1rem, 4vw, 2rem);
    max-width: 720px;
    margin: 0 auto;
}

.ddj-landing-cta-band h2 {
    margin: 0 0 0.75rem;
}

.ddj-landing-cta-band p {
    margin: 0 0 1.5rem;
    color: var(--ddj-muted);
}

.ddj-landing-footer {
    padding: 2rem clamp(1rem, 4vw, 2rem) 2.5rem;
    border-top: 1px solid rgba(42, 42, 61, 0.6);
    text-align: center;
    color: var(--ddj-muted);
    font-size: 0.88rem;
}

.ddj-landing-footer a {
    color: var(--ddj-accent2);
    text-decoration: none;
}

.ddj-landing-footer a:hover {
    text-decoration: underline;
}

@media (max-width: 860px) {
    .ddj-landing-hero {
        grid-template-columns: 1fr;
    }

    .ddj-landing-visual {
        order: -1;
    }
}

@media (max-width: 520px) {
    .ddj-landing-nav {
        flex-direction: column;
        align-items: stretch;
    }

    .ddj-landing-nav-links {
        justify-content: center;
    }

    .ddj-landing-cta {
        flex-direction: column;
    }

    .ddj-landing-btn {
        width: 100%;
    }
}