/* ============================================================
   DoctorShifts — v1.1
   Fixes:
   - Center waves horizontally via a wrapping flex container (no overflow skew)
   - Custom video play overlay with big glowing button; native controls hidden until play
   ============================================================ */

:root {
    --ds-bg: #0b1022;
    --ds-text: #e7eaf3;
    --ds-muted: #93a4b5;
    --ds-primary: #A78BFA;
    --ds-accent: #22D3EE;
    --ds-border: rgba(148,163,184,.24);
    --ds-card: rgba(17,26,47,.72);
    --ds-shadow: 0 24px 62px rgba(0,0,0,.45);
}

.ds-main {
    background: radial-gradient(1200px 900px at 90% -20%, rgba(34,211,238,.10), transparent 60%), radial-gradient(1000px 700px at 15% -20%, rgba(167,139,250,.10), transparent 60%), var(--ds-bg);
    color: var(--ds-text);
    min-height: 100%;
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

/* Header with liquid waves */
.ds-header {
    position: relative;
    overflow: hidden;
}

.ds-liquid {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* Center waves: wrap as flex, limit max width, center horizontally */
.ds-waves-wrap {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    pointer-events: none;
}

.ds-waves {
    width: min(1200px, 100%);
    height: 220px;
    display: block;
}

.ds-orbs {
    position: absolute;
    inset: 0;
}

.ds-orb {
    position: absolute;
    width: 14px;
    height: 14px;
    border-radius: 99px;
    background: radial-gradient(circle at 50% 50%, #fff, #a6dfff 60%, transparent 70%);
    box-shadow: 0 0 24px rgba(34,211,238,.8), 0 0 50px rgba(167,139,250,.6);
    animation: dsFloat 10s ease-in-out infinite;
}

    .ds-orb.o1 {
        left: 14%;
        top: 22%;
        animation-delay: -1.2s;
    }

    .ds-orb.o2 {
        left: 74%;
        top: 18%;
        animation-delay: -3.3s;
    }

    .ds-orb.o3 {
        left: 46%;
        top: 10%;
        animation-delay: -2.1s;
    }

@keyframes dsFloat {
    0%,100% {
        transform: translate(0,0);
        opacity: .9;
    }

    50% {
        transform: translate(30px,-10px);
        opacity: 1;
    }
}

.ds-header-inner {
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
    padding: 42px 16px 16px;
    text-align: center;
}

.ds-title {
    margin: 0;
    font-size: clamp(2rem,5vw,3.2rem);
    font-weight: 900;
    background: linear-gradient(90deg,#fff,#e7f0ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ds-sub {
    color: var(--ds-muted);
    max-width: 960px;
    margin: 12px auto 0;
}

.ds-cta {
    margin-top: 18px;
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.ds-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 12px;
    border: 1px solid var(--ds-border);
    text-decoration: none;
    font-weight: 800;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}

    .ds-btn.primary {
        background: linear-gradient(135deg, var(--ds-primary), var(--ds-accent));
        color: #0b1022;
        border: 0;
        box-shadow: 0 16px 34px rgba(99,102,241,.35);
    }

    .ds-btn.ghost {
        background: rgba(255,255,255,.06);
        color: #eaf1ff;
        border-color: rgba(148,163,184,.35);
    }

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

/* Section shared */
.ds-section {
    max-width: 1200px;
    padding: 0 16px;
    margin: 30px auto 46px;
}

.ds-sec-head {
    text-align: center;
    display: grid;
    gap: 8px;
    justify-items: center;
    margin-bottom: 16px;
}

    .ds-sec-head h2 {
        margin: 0;
        font-weight: 900;
        letter-spacing: .2px;
        font-size: clamp(1.6rem,3.4vw,2.2rem);
    }

    .ds-sec-head p {
        margin: 0;
        color: var(--ds-muted);
        max-width: 820px;
    }

/* Steps */
.ds-steps {
    display: grid;
    grid-template-columns: repeat(4,minmax(0,1fr));
    gap: 12px;
}

.ds-step {
    border: 1px solid var(--ds-border);
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(255,255,255,.06), transparent), var(--ds-card);
    padding: 16px;
    box-shadow: var(--ds-shadow);
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

    .ds-step:hover {
        transform: translateY(-2px);
        border-color: rgba(167,139,250,.42);
        box-shadow: 0 24px 70px rgba(0,0,0,.4);
    }

.ds-badge {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--ds-primary), var(--ds-accent));
    color: #0b1022;
    display: grid;
    place-items: center;
    box-shadow: 0 10px 24px rgba(99,102,241,.35);
}

.ds-step h3 {
    margin: 10px 0 6px;
    font-weight: 900;
}

.ds-step p {
    margin: 0;
    color: var(--ds-muted);
}

@media (max-width:980px) {
    .ds-steps {
        grid-template-columns: repeat(2,minmax(0,1fr));
    }
}

@media (max-width:640px) {
    .ds-steps {
        grid-template-columns: 1fr;
    }
}

/* Video demo */
.ds-video-card {
    border: 1px solid var(--ds-border);
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(255,255,255,.05), transparent), var(--ds-card);
    box-shadow: var(--ds-shadow);
    overflow: hidden;
    margin-top: 16px;
}

/* Custom video shell with overlay and big play button */
.ds-video-shell {
    position: relative;
    width: 100%;
    display: block;
    aspect-ratio: 1125/180;
    background: rgba(11,16,34,.6);
}

.ds-video {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

    /* Hide native controls initially */
    .ds-video::-webkit-media-controls {
        display: none !important;
    }

    .ds-video[controls]::-webkit-media-controls {
        display: flex !important;
    }
/* when controls attribute is set */

/* Glowing overlay */
.ds-video-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(600px 120px at 50% 50%, rgba(167,139,250,.26), transparent 70%), radial-gradient(600px 120px at 50% 50%, rgba(34,211,238,.22), transparent 70%);
    pointer-events: none;
    opacity: .85;
    transition: opacity .25s ease;
}

.ds-video-shell.playing .ds-video-glow {
    opacity: 0;
}

/* Big play button */
.ds-video-play {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    width: 72px;
    height: 72px;
    border-radius: 99px;
    border: 0;
    cursor: pointer;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--ds-primary), var(--ds-accent));
    color: #0b1022;
    box-shadow: 0 18px 46px rgba(99,102,241,.38), 0 0 24px rgba(34,211,238,.65);
    transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease;
}

    .ds-video-play:hover {
        transform: translate(-50%,-50%) scale(1.05);
        box-shadow: 0 24px 58px rgba(99,102,241,.46), 0 0 28px rgba(34,211,238,.75);
    }

.ds-play-icon {
    font-size: 1.25rem;
}

/* Hide play button when playing */
.ds-video-shell.playing .ds-video-play {
    opacity: 0;
    pointer-events: none;
}

.ds-video-cap {
    padding: 10px 14px;
    color: #eaf1ff;
    border-top: 1px solid rgba(148,163,184,.18);
}

/* Gallery cards with tilt */
.ds-card-grid {
    display: grid;
    grid-template-columns: repeat(12,1fr);
    gap: 12px;
}

.ds-card {
    grid-column: span 6;
    border: 1px solid var(--ds-border);
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(255,255,255,.05), transparent), var(--ds-card);
    box-shadow: var(--ds-shadow);
    overflow: hidden;
    position: relative;
    transform: perspective(900px) rotateX(0) rotateY(0);
    transition: transform .26s ease, box-shadow .26s ease;
}

.ds-card-wide {
    grid-column: span 12;
}

.ds-card-media img {
    width: 100%;
    height: auto;
    display: block;
}

.ds-card-body {
    padding: 12px 14px;
}

    .ds-card-body h3 {
        margin: 0 0 6px;
        font-weight: 900;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .ds-card-body p {
        margin: 0;
        color: var(--ds-muted);
    }

.ds-card.tilt:hover {
    box-shadow: 0 28px 80px rgba(124,58,237,.35);
}

@media (max-width:980px) {
    .ds-card, .ds-card-wide {
        grid-column: span 12;
    }
}

/* CTA */
.ds-cta-inner {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 16px;
    align-items: center;
    border: 1px solid var(--ds-border);
    border-radius: 22px;
    background: radial-gradient(800px 260px at 30% 30%, rgba(167,139,250,.20), transparent 70%), radial-gradient(840px 300px at 70% 70%, rgba(34,211,238,.20), transparent 70%), rgba(17,26,47,.90);
    box-shadow: var(--ds-shadow);
    padding: 20px;
}

.ds-cta-copy h2 {
    margin: 0 0 6px;
    font-weight: 900;
    font-size: clamp(1.5rem,3.2vw,2rem);
}

.ds-cta-copy p {
    margin: 0;
    color: var(--ds-muted);
}

.ds-cta-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

@media (max-width:900px) {
    .ds-cta-inner {
        grid-template-columns: 1fr;
    }
}

/* Accessibility */
.ds-how code, .ds-gallery code {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
    padding: .12em .35em;
    border-radius: .4em;
    color: #e8f3ff;
}