:root {
    --bg:      #09090c;
    --surface: #111117;
    --accent:  #de175d;
    --text:    #f0f0f0;
    --muted:   #6b6b7e;
    --radius:  12px;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -webkit-user-select: none;
    user-select: none;
}

a { text-decoration: none; color: inherit; }

/* ── HEADER ── */
header {
    text-align: center;
    padding: clamp(3rem, 8vh, 6rem) 2rem clamp(2rem, 5vh, 4rem);
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: clamp(0.75rem, 1vw, 0.9rem);
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 1.5rem;
}

.logo-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
}

h1 {
    font-size: clamp(2.2rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

h1 span { color: var(--accent); }

.tagline {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: var(--muted);
    font-weight: 300;
    max-width: 480px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ── GRID ── */
.grid-wrapper {
    padding: 0 clamp(1rem, 4vw, 3.5rem) 1rem;
    max-width: 1600px;
    margin: 0 auto;
}

.demos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    position: relative;
}

.demos-grid::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(170deg,transparent 30%, var(--bg) 100%);
    pointer-events: none;
}

/* ── CARD ── */
.demo-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface);
    cursor: pointer;
    display: block;
    transition: transform 0.3s cubic-bezier(.22,.68,0,1.2), box-shadow 0.3s ease;
}

.demo-card:hover {
    transform: translateY(-6px) scale(1.015);
    box-shadow: 0 28px 56px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.06);
    z-index: 3;
}

.demo-card-thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    transition: filter 0.3s ease;
}

.demo-card:hover .demo-card-thumb {
    filter: brightness(1.12);
}

.demo-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.88) 0%, rgba(0,0,0,0.2) 45%, transparent 70%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1rem 1.1rem;
}

.demo-card-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transform: translateY(3px);
    transition: transform 0.25s ease;
}

.demo-card:hover .demo-card-title { transform: translateY(0); }

.demo-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -60%) scale(0.75);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255,255,255,0.13);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 1.5px solid rgba(255,255,255,0.28);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.25s cubic-bezier(.22,.68,0,1.2);
}

.demo-play svg { width: 18px; height: 18px; fill: white; margin-left: 3px; }

.demo-card:hover .demo-play {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* ── FEATURES ── */
.features {
    padding: clamp(3rem, 8vh, 5rem) clamp(1rem, 4vw, 3.5rem);
    max-width: 1600px;
    margin: 0 auto;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 1.25rem;
}

.feature-item {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.75rem 1.5rem;
    border: 1px solid rgba(255,255,255,0.05);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: border-color 0.2s ease, transform 0.25s ease;
}

.feature-item:hover {
    border-color: rgba(222, 23, 93, 0.3);
    transform: translateY(-3px);
}

.feature-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(222, 23, 93, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.2rem;
    flex-shrink: 0;
    margin-bottom: 0.25rem;
}

.feature-item h3 {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text);
}

.feature-item p {
    font-size: 0.875rem;
    color: var(--muted);
    line-height: 1.65;
}

/* ── PRICING ── */
.pricing {
    padding: clamp(3rem, 8vh, 5rem) clamp(1rem, 4vw, 3.5rem) clamp(4rem, 10vh, 7rem);
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.pricing-title {
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
}

.pricing-subtitle {
    font-size: 0.95rem;
    color: var(--muted);
    margin-bottom: 2.5rem;
}

.pricing-cards {
    display: flex;
    gap: 1.25rem;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: wrap;
}

.pricing-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 2rem 1.75rem;
    border: 1px solid rgba(255,255,255,0.05);
    text-align: left;
    flex: 1;
    min-width: 240px;
    max-width: 380px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.pricing-card {
    border-color: rgba(222, 23, 93, 0.25);
}

.pricing-card--featured {
    border-color: var(--accent);
    background: linear-gradient(160deg, rgba(222, 23, 93, 0.08) 0%, var(--surface) 55%);
    flex: 1.2;
}

.pricing-badge {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 1rem;
    display: block;
}

.pricing-badge--featured {
    color: var(--accent);
}

.pricing-card-author {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 0.2rem;
}

.pricing-card-tagline {
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 1.75rem;
}

.pricing-feature--highlight {
    color: var(--text) !important;
    font-weight: 600;
}

.pricing-feature--highlight::before {
    width: 7px !important;
    height: 7px !important;
}

.pricing-price {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.05em;
    line-height: 1;
    margin-bottom: 0.3rem;
    color: var(--accent);
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
}

.pricing-per-year {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--accent);
}

.pricing-period {
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 1.75rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.pricing-features li {
    font-size: 0.875rem;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.pricing-features li::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
}

/* ── CTA ── */
.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--accent);
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.85rem 1.8rem;
    border-radius: 100px;
    letter-spacing: 0.01em;
    transition: filter 0.2s ease, transform 0.2s ease;
}

.cta-btn:hover { filter: brightness(1.12); transform: scale(1.03); }

.cta-btn--muted {
    background: rgba(255,255,255,0.06);
    color: var(--text);
}

.cta-btn--muted:hover {
    filter: none;
    background: rgba(255,255,255,0.1);
}

.pricing-card .cta-btn {
    margin-top: auto;
}

.cta-btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: transparent;
    color: var(--muted);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 100px;
    border: 1px solid rgba(255,255,255,0.1);
    letter-spacing: 0.01em;
    margin-top: 1.25rem;
    transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.cta-btn-ghost:hover {
    color: var(--text);
    border-color: rgba(255,255,255,0.25);
    transform: scale(1.02);
}

/* ── MODAL IFRAME ── */
.demo-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.88);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.demo-modal-backdrop.active {
    opacity: 1;
    pointer-events: all;
}

.demo-modal {
    position: relative;
    width: min(95vw, 1280px);
    aspect-ratio: 16 / 9;
}

.demo-modal-close {
    position: absolute;
    top: -44px;
    right: 0;
    width: 34px;
    height: 34px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 50%;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, transform 0.2s ease;
    padding: 0;
    line-height: 1;
}

.demo-modal-close:hover {
    background: rgba(255,255,255,0.18);
    transform: scale(1.1);
}

.demo-modal iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: var(--radius);
}