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

html, body {
    min-height: 100%;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #f2f2f2;
    background: radial-gradient(circle at top, rgba(255,255,255,0.04), transparent 30%),
                radial-gradient(circle at bottom right, rgba(255,255,255,0.03), transparent 25%),
                #070809;
}

body {
    position: relative;
    display: grid;
    place-items: center;
    padding: 2rem;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.glass-card {
    width: min(540px, 100%);
    background: rgba(18, 22, 28, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 28px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

h1 {
    font-size: clamp(2rem, 2.5vw, 2.6rem);
    letter-spacing: -0.04em;
}

p {
    color: #d9d9d9;
    opacity: 0.92;
}

.lead {
    color: #e1e7ff;
    max-width: 44rem;
    font-size: 1.05rem;
    line-height: 1.75;
}

.badge {
    align-self: flex-start;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: #bcd1ff;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    width: 100%;
}

.contact-button {
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
    color: #e4e9ff;
    padding: 0.8rem 1.2rem;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 600;
    transition: transform 180ms ease, background 180ms ease;
}

.contact-button:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.1);
}

.contact-tooltip {
    position: absolute;
    right: 0;
    top: calc(100% + 0.6rem);
    width: max-content;
    min-width: 220px;
    padding: 0.75rem 1rem;
    border-radius: 18px;
    background: rgba(11, 15, 22, 0.94);
    color: #d8e1ff;
    font-size: 0.92rem;
    line-height: 1.5;
    text-align: left;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 180ms ease, transform 180ms ease;
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.24);
}

.contact-button:hover .contact-tooltip {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.feature-grid {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 22px;
    padding: 1.3rem;
    box-shadow: 0 18px 46px rgba(0, 0, 0, 0.16);
}

.feature-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
}

.feature-card p {
    margin: 0;
    color: #d0d7ff;
    opacity: 0.88;
}

.volume-control {
    display: grid;
    gap: 0.6rem;
    padding: 1rem 0 0;
}

.volume-label {
    color: #c9d6ff;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
}

.slider {
    width: 100%;
    height: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    appearance: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #4d8fff;
    border: 3px solid rgba(255, 255, 255, 0.95);
    box-shadow: 0 0 0 10px rgba(77, 143, 255, 0.12);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #4d8fff;
    border: 3px solid rgba(255, 255, 255, 0.95);
    box-shadow: 0 0 0 10px rgba(77, 143, 255, 0.12);
}

.volume-panel {
    position: absolute;
    top: 1.4rem;
    left: 1.4rem;
    width: min(240px, calc(100% - 3rem));
    padding: 0.8rem 0.95rem;
    border-radius: 18px;
    background: rgba(16, 20, 28, 0.52);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.18);
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
    z-index: 10;
}

.volume-panel:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.2);
    background: rgba(16, 20, 28, 0.68);
}

.volume-panel .volume-label {
    display: block;
    margin-bottom: 0.5rem;
    color: #d1d9ff;
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.slider {
    width: 100%;
    height: 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    appearance: none;
    cursor: pointer;
}
    width: 100%;
    height: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    appearance: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #4d8fff;
    border: 3px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 0 8px rgba(77, 143, 255, 0.16);
}

.slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #4d8fff;
    border: 3px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 0 8px rgba(77, 143, 255, 0.16);
}

button {
    width: fit-content;
    padding: 0.95rem 1.6rem;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(67, 156, 255, 0.95), rgba(75, 97, 255, 0.88));
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
    box-shadow: 0 18px 45px rgba(35, 82, 255, 0.18);
}

button:hover {
    transform: translateY(-2px);
    opacity: 0.98;
}

.order-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 200px;
    padding: 0.95rem 1.6rem;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(98, 203, 255, 0.95), rgba(118, 122, 255, 0.95));
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.02em;
    box-shadow: 0 18px 45px rgba(38, 118, 255, 0.22);
    transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease, filter 180ms ease;
}

.order-button:hover {
    transform: translateY(-2px);
    filter: brightness(1.05);
}

.button-row {
    display: flex;
    gap: 0.85rem;
    flex-wrap: wrap;
}

.button-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #f7f7f7;
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.portfolio {
    display: grid;
    gap: 1rem;
    padding: 1.5rem 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.portfolio-header h2 {
    margin-bottom: 0.35rem;
    font-size: 1.45rem;
}

.portfolio-header p {
    color: #c7d0ff;
    opacity: 0.88;
}

.portfolio-grid {
    display: grid;
    gap: 1rem;
}

.project-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 22px;
    padding: 1.25rem;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03), 0 12px 32px rgba(0, 0, 0, 0.18);
    display: grid;
    gap: 0.8rem;
}

.project-card h3 {
    margin: 0;
    font-size: 1.2rem;
}

.project-card p {
    color: #d3d9ff;
    opacity: 0.86;
}

.project-tag {
    align-self: start;
    display: inline-flex;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: rgba(67, 156, 255, 0.12);
    color: #9fc7ff;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    color: #b0b9dc;
    font-size: 0.9rem;
}

.project-empty {
    opacity: 0.9;
    background: rgba(255, 255, 255, 0.02);
}

.info {
    display: grid;
    gap: 0.55rem;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 520px) {
    .glass-card {
        padding: 1.5rem;
    }
    button {
        width: 100%;
        justify-self: center;
    }
}

.hero-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: -0.3rem;
}

.chip {
    display: inline-flex;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    background: rgba(67, 156, 255, 0.1);
    color: #b7d1ff;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
}

.project-info {
    padding: 1rem 0 0;
    color: #d8e2ff;
    opacity: 0.9;
}

.detail-list {
    display: grid;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.detail-list p {
    margin: 0;
    color: #d1d9ff;
}

.link-block {
    padding-top: 1rem;
    display: flex;
    justify-content: flex-start;
}