:root {
    --ink: #0a0d12;
    --panel: #12151d;
    --panel2: #171b25;
    --line: rgba(255,255,255,.09);
    --amber: #f5a623;
    --flame: #e4572e;
    --cyan: #4dd8f2;
    --text: #f5f3ee;
    --muted: #98a0ad;
    --grad: linear-gradient(95deg,var(--amber),var(--flame));
    --radius: 14px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--ink);
    color: var(--text);
    font-family: 'Inter',sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

h1, h2, h3, h4 {
    font-family: 'Fraunces',serif;
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -.01em;
}

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

.icon {
    width: 1em;
    height: 1em;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}


.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .78rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--amber);
    font-weight: 600;
    margin-bottom: 14px;
}

    .eyebrow .icon {
        font-size: 1.05rem;
    }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 13px 24px;
    border-radius: 999px;
    font-weight: 600;
    font-size: .95rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
    white-space: nowrap;
}

    .btn .icon {
        font-size: 1.1rem;
    }

.btn-primary {
    background: var(--grad);
    color: #12080a;
    box-shadow: 0 10px 30px -10px rgba(228,87,46,.55);
}

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 14px 34px -8px rgba(228,87,46,.65);
    }

.btn-ghost {
    background: transparent;
    border-color: var(--line);
    color: var(--text);
}

    .btn-ghost:hover {
        border-color: var(--amber);
        color: var(--amber);
    }


/* ============ HERO ============ */
.hero {
    position: relative;
    padding: 96px 0 30px;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 50px;
    align-items: center;
}
.hero h1 {
    font-size: 37px;
    margin-bottom: 15px;
}

    .hero h1 em {
        font-style: normal;
        background: var(--grad);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }

.hero p.lead {
    color: var(--muted);
    font-size: 16px;
    max-width: 55ch;
    margin-bottom: 25px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 38px;
}

.hero-stats {
    display: flex;
    gap: 34px;
    flex-wrap: wrap;
}

.hero-stat b {
    display: block;
    font-family: 'Fraunces',serif;
    font-size: 1.5rem;
    color: var(--amber);
}

.hero-stat span {
    font-size: .78rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .08em;
}

/* Signature scan-ring visual */
.scan-visual {
    position: relative;
    width: 100%;
    aspect-ratio: 1/1;
    max-width: 440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scan-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1.5px dashed rgba(245,166,35,.35);
    animation: spin 26s linear infinite;
}

    .scan-ring.two {
        inset: 13%;
        border-color: rgba(77,216,242,.28);
        animation-duration: 19s;
        animation-direction: reverse;
    }

    .scan-ring.three {
        inset: 27%;
        border-style: solid;
        border-color: rgba(228,87,46,.4);
        animation-duration: 34s;
    }

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.scan-core {
    position: relative;
    width: 46%;
    height: 46%;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, rgba(245,166,35,.25), rgba(228,87,46,.08) 60%, transparent 75%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 60px -10px rgba(228,87,46,.35);
}

    .scan-core .icon {
        font-size: 5.2rem;
        color: var(--amber);
        stroke-width: 1.1;
    }

.scan-node {
    position: absolute;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--amber);
    box-shadow: 0 0 14px 2px rgba(77,216,242,.7);
}

    .scan-node.n1 {
        top: 2%;
        left: 50%;
    }

    .scan-node.n2 {
        top: 50%;
        right: 0%;
    }

    .scan-node.n3 {
        bottom: 2%;
        left: 50%;
    }

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

    .scan-visual {
        order: -1;
        max-width: 300px;
    }
}

/* ============ SECTION SHELL ============ */
section {
    padding: 30px 0;
    position: relative;
}

.section-head {
  /*  max-width: 640px;*/
    margin-bottom: 20px;
}

    .section-head.center {
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }

    .section-head p {
        color: var(--muted);
        font-size: 1.02rem;
    }

    .section-head h2 {
        font-size: clamp(1.7rem, 3vw, 2.35rem);
        margin-bottom: 14px;
    }

.alt-bg {
    background: var(--panel);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

/* ============ WHY CHOOSE / USE-CASES CHIPS ============ */
.chip-grid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 14px;
}

.chip {
    background: var(--panel2);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px 16px;
    text-align: center;
    transition: border-color .25s ease, transform .25s ease;
}

    .chip:hover {
        border-color: var(--amber);
        transform: translateY(-3px);
    }

    .chip .icon {
        font-size: 1.9rem;
        color: var(--flame);
        margin-bottom: 10px;
    }

    .chip span {
        display: block;
        font-size: .88rem;
        font-weight: 600;
    }

@media (max-width: 800px) {
    .chip-grid {
        grid-template-columns: repeat(2,1fr);
    }
}

/* ============ CLINICAL APPLICATIONS ============ */
.app-grid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 10px;
}

.app-card {
    background: var(--panel2);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 10px 10px;
    transition: border-color .25s ease, box-shadow .25s ease;
}

    .app-card:hover {
        border-color: rgba(245,166,35,.5);
        box-shadow: 0 16px 40px -22px rgba(0,0,0,.6);
    }

.app-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: var(--grad);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #12080a;
    margin-bottom: 16px;
}

    .app-icon .icon {
        font-size: 1.5rem;
    }

.app-card h3 {
    font-size: 1.12rem;
    margin-bottom: 8px;
}

.app-card > p.desc {
    color: var(--muted);
    font-size: .89rem;
    margin-bottom: 14px;
}

.app-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.app-card li {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    font-size: .87rem;
    color: #d8dbe2;
}

    .app-card li .icon {
        font-size: 1.5rem;
        color: var(--amber);
        margin-top: 3px;
    }

/* ============ BENEFITS ============ */
.benefit-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 18px;
}

.benefit {
    display: flex;
    gap: 16px;
    padding: 22px;
    background: var(--panel2);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

    .benefit .icon-wrap {
        width: 44px;
        height: 44px;
        min-width: 44px;
        border-radius: 10px;
        background: rgba(245,166,35,.12);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--amber);
    }

        .benefit .icon-wrap .icon {
            font-size: 1.3rem;
        }

    .benefit h4 {
        font-size: .98rem;
        margin-bottom: 4px;
    }

    .benefit p {
        font-size: .85rem;
        color: var(--muted);
    }

@media (max-width: 900px) {
    .benefit-grid {
        grid-template-columns: repeat(2,1fr);
    }
}

@media (max-width: 600px) {
    .benefit-grid {
        grid-template-columns: 1fr;
    }
}

/* ============ PROCESS (real sequence -> numbered) ============ */
.process {
    display: grid;
    grid-template-columns: repeat(5,1fr);
    gap: 0;
    position: relative;
    counter-reset: step;
}

    .process::before {
        content: "";
        position: absolute;
        top: 26px;
        left: 8%;
        right: 8%;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--line) 10%, var(--line) 90%, transparent);
    }

.step {
    position: relative;
    padding: 0 12px;
    text-align: center;
}

.step-num {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--panel2);
    border: 1.5px solid var(--amber);
    color: var(--amber);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-family: 'Fraunces',serif;
    font-weight: 600;
    position: relative;
    z-index: 2;
}

.step .icon {
    font-size: 1.3rem;
}

.step h4 {
    font-size: .92rem;
    margin-bottom: 6px;
}

.step p {
    font-size: .8rem;
    color: var(--muted);
}

@media (max-width: 900px) {
    .process {
        grid-template-columns: repeat(2,1fr);
        gap: 30px 14px;
    }

        .process::before {
            display: none;
        }
}

@media (max-width: 520px) {
    .process {
        grid-template-columns: 1fr;
    }
}

/* ============ SAFETY ============ */
.safety-panel {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 40px;
    align-items: center;
    background: var(--panel2);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 46px;
}

.safety-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 12px;
    padding: 30px;
    border-radius: 16px;
    background: radial-gradient(circle at 50% 0%, rgba(245,166,35,.14), transparent 70%);
    border: 1px solid var(--line);
}

    .safety-badge .icon {
        font-size: 3.4rem;
        color: var(--amber);
    }

    .safety-badge b {
        font-family: 'Fraunces',serif;
        font-size: 1.1rem;
    }

    .safety-badge span {
        font-size: .8rem;
        color: var(--muted);
    }

.safety-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 18px;
}

    .safety-list li {
        display: flex;
        gap: 12px;
        align-items: flex-start;
        font-size: .92rem;
        color: #d8dbe2;
    }

    .safety-list .icon {
        color: var(--amber);
        font-size: 1.15rem;
        margin-top: 2px;
    }

@media (max-width: 860px) {
    .safety-panel {
        grid-template-columns: 1fr;
        padding: 30px;
    }
}

/* ============ WHY RAYDENT ============ */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 16px;
}

.feature {
    padding: 22px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: linear-gradient(180deg, var(--panel2), var(--panel));
}

    .feature .icon {
        font-size: 2.5rem;
        color: var(--flame);
        margin-bottom: 12px;
    }

    .feature h4 {
        font-size: .95rem;
        margin-bottom: 6px;
    }

    .feature p {
        font-size: .84rem;
        color: var(--muted);
    }

@media (max-width: 900px) {
    .feature-grid {
        grid-template-columns: repeat(2,1fr);
    }
}

@media (max-width: 560px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
}

.doctor-line {
    margin-top: 34px;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel2);
}

.feature {
    display: flex;
    gap: 14px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
    justify-content: center;
    align-items: center;
}

    .doctor-line .icon {
        font-size: 1.4rem;
    }

    .doctor-line b {
        font-family: 'Fraunces',serif;
        font-size: 1rem;
    }

    .doctor-line span {
        display: block;
        font-size: .8rem;
        color: var(--muted);
    }

/* ============ FAQ ============ */
.faq {
  
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--panel2);
    overflow: hidden;
}

.faq-q {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 18px 22px;
    background: none;
    border: none;
    color: var(--text);
    font-family: 'Inter',sans-serif;
    font-size: .98rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
}

    .faq-q .icon {
        color: var(--amber);
        font-size: 1.1rem;
        transition: transform .3s ease;
        flex-shrink: 0;
    }

.faq-item.open .faq-q .icon {
    transform: rotate(180deg);
}

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
}

    .faq-a p {
        padding: 0 22px 20px;
        color: var(--muted);
        font-size: .9rem;
        max-width: 60ch;
    }

/* ============ CTA / BOOKING ============ */
.cta-band {
    background: var(--grad);
    border-radius: 22px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    color: #12080a;
    flex-wrap: wrap;
}
    .cta-band h2 {
        color: #12080a;
        font-size: clamp(1.5rem,3vw,2.1rem);
        margin-bottom: 8px;
    }

    .cta-band p {
        color: rgba(18,8,10,.72);
        max-width: 72ch;
    }

    .cta-band .btn-ghost {
        border-color: rgba(18,8,10,.35);
        color: #12080a;
    }

        .cta-band .btn-ghost:hover {
            border-color: #12080a;
            background: rgba(18,8,10,.08);
        }

.cta-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}


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

@media (max-width: 560px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .7s ease, transform .7s ease;
}

    .reveal.show {
        opacity: 1;
        transform: translateY(0);
    }

@media (prefers-reduced-motion: reduce) {
    .scan-ring {
        animation: none;
    }

    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    html {
        scroll-behavior: auto;
    }
}
ol, ul {
    padding-left: 5px;
}