: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;
}

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

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

ul {
    list-style: none;
}

img, svg {
    display: block;
}



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

    .eyebrow::before {
        content: "";
        width: 18px;
        height: 1px;
        background: var(--grad);
        display: inline-block;
    }

.grad-text {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 26px;
    border-radius: 999px;
    font-weight: 600;
    font-size: .95rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.btn-primary {
    background: var(--grad);
    color: #100a05;
    box-shadow: 0 10px 30px -12px rgba(228,87,46,.6);
}

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 14px 34px -10px rgba(228,87,46,.75);
    }

.btn-ghost {
    border-color: var(--line);
    color: var(--text);
    background: rgba(255,255,255,.02);
}

    .btn-ghost:hover {
        border-color: var(--amber);
        background: rgba(245,166,35,.06);
    }

/* ---------- ICONS ---------- */
.icon {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}



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

    .hero::before {
        content: "";
        position: absolute;
        inset: -20% -10% auto -10%;
        height: 620px;
        background: radial-gradient(600px 320px at 78% 10%, rgba(228,87,46,.16), transparent 70%), radial-gradient(500px 300px at 15% 0%, rgba(77,216,242,.10), transparent 70%);
        pointer-events: none;
    }

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 56px;
    align-items: center;
    position: relative;
}

.hero h1 {
    font-size: clamp(2.3rem, 4.2vw, 3.4rem);
    margin: 18px 0 20px;
}

.hero p.lead {
    color: var(--muted);
    font-size: 1.08rem;
    max-width: 46ch;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}

.hero-stats {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}

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

    .hero-stats .stat span {
        font-size: .78rem;
        color: var(--muted);
        text-transform: uppercase;
        letter-spacing: .06em;
    }

/* Signature cephalometric tracing graphic */
.ceph-panel {
    position: relative;
    background: linear-gradient(180deg, var(--panel), var(--panel2));
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 26px;
    box-shadow: 0 30px 60px -30px rgba(0,0,0,.6);
}

    .ceph-panel .frame-label {
        display: flex;
        justify-content: space-between;
        font-size: .68rem;
        letter-spacing: .12em;
        text-transform: uppercase;
        color: var(--muted);
        margin-bottom: 14px;
    }

        .ceph-panel .frame-label span:last-child {
            color: var(--amber);
        }

.ceph-svg-wrap {
    border-radius: 12px;
    overflow: hidden;
    background: #0d1017;
    border: 1px solid var(--line);
}

.landmark {
    fill: var(--amber);
}

.landmark-cyan {
    fill: var(--amber);
}

.measure-line {
    stroke: rgba(77,216,242,.55);
    stroke-width: 1;
    stroke-dasharray: 3 4;
}

.trace-line {
    stroke: rgba(245,166,35,.9);
    stroke-width: 1.4;
    fill: none;
}

.skull-outline {
    stroke: rgba(245,243,238,.5);
    stroke-width: 1.3;
    fill: none;
}

/* ---------- SECTION SHELL ---------- */
section {
    padding: 30px 0;
    border-top: 1px solid var(--line);
}

.section-head {
    max-width: 640px;
    margin-bottom: 10px;
}

    .section-head h2 {
        font-size: clamp(1.7rem, 3vw, 2.3rem);
        margin-top: 0px;
    }

    .section-head p {
        color: var(--muted);
        margin-top: 14px;
    }

/* ---------- ABOUT ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
}

    .about-grid p {
        color: var(--muted);
        margin-bottom: 10px;
    }

        .about-grid p:last-child {
            margin-bottom: 0;
        }

.about-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px;
}

    .about-card h4 {
        font-size: 1.02rem;
        margin-bottom: 14px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

        .about-card h4 .icon {
            color: var(--flame);
        }

.check-list li {
    display: flex;
    gap: 10px;
    padding: 9px 0;
    border-bottom: 1px dashed var(--line);
    color: var(--text);
    font-size: .93rem;
}

    .check-list li:last-child {
        border-bottom: none;
    }

.check-list .icon {
    width: 18px;
    height: 18px;
    color: var(--amber);
    flex-shrink: 0;
    margin-top: 2px;
}

/* ---------- USES GRID ---------- */
.uses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.use-card {
    background: linear-gradient(180deg, var(--panel), var(--panel2));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: transform .18s ease, border-color .18s ease;
}

    .use-card:hover {
        transform: translateY(-4px);
        border-color: rgba(245,166,35,.4);
    }

.use-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(245,166,35,.09);
    display: grid;
    place-items: center;
    margin-bottom: 18px;
}

    .use-icon .icon {
        color: var(--amber);
        width: 24px;
        height: 24px;
    }

.use-card h3 {
    font-size: 1.08rem;
    margin-bottom: 8px;
}

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

.use-card ul {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

    .use-card ul li {
        font-size: .82rem;
        color: var(--text);
        display: flex;
        align-items: center;
        gap: 8px;
    }

        .use-card ul li::before {
            content: "";
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--flame);
            flex-shrink: 0;
        }

/* ---------- BENEFITS ---------- */
.benefits-wrap {
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    gap: 56px;
    align-items: center;
}

.benefits-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.benefit-item {
    display: flex;
    gap: 12px;
    padding: 16px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
}

    .benefit-item .icon {
        color: var(--amber);
        width: 20px;
        height: 20px;
        flex-shrink: 0;
        margin-top: 2px;
    }

    .benefit-item span {
        font-size: .87rem;
        color: var(--text);
    }

.airway-visual {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
}

    .airway-visual .frame-label {
        font-size: .68rem;
        letter-spacing: .12em;
        text-transform: uppercase;
        color: var(--muted);
        margin-bottom: 14px;
        display: flex;
        justify-content: space-between;
    }

        .airway-visual .frame-label span:last-child {
            color: var(--amber);
        }

/* ---------- PROCEDURE ---------- */
.procedure-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
}

    .procedure-steps::before {
        content: "";
        position: absolute;
        top: 26px;
        left: 6%;
        right: 6%;
        height: 1px;
        background: repeating-linear-gradient(90deg, var(--line) 0 8px, transparent 8px 16px);
        z-index: 0;
    }

.step {
    position: relative;
    z-index: 1;
    padding: 0 16px;
    text-align: left;
}

.step-num {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--panel2);
    border: 1px solid var(--line);
    display: grid;
    place-items: center;
    font-family: 'Fraunces', serif;
    font-weight: 600;
    color: var(--amber);
    margin-bottom: 18px;
    background-image: var(--grad);
    -webkit-background-clip: unset;
}

.step-num-inner {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--ink);
    display: grid;
    place-items: center;
    font-family: 'Fraunces', serif;
    color: var(--amber);
    border: 1px solid var(--line);
}

.step h4 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.step p {
    font-size: .86rem;
    color: var(--muted);
}

/* ---------- SAFETY ---------- */
.safety-band {
    background: linear-gradient(120deg, rgba(245,166,35,.08), rgba(228,87,46,.06));
    border: 1px solid rgba(245,166,35,.22);
    border-radius: 20px;
    padding: 44px;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 30px;
    align-items: center;
}

.safety-icon {
    width: 74px;
    height: 74px;
    border-radius: 18px;
    background: rgba(245,166,35,.14);
    display: grid;
    place-items: center;
}

    .safety-icon .icon {
        width: 36px;
        height: 36px;
        color: var(--amber);
    }

.safety-band h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.safety-band p {
    color: var(--muted);
    max-width: 68ch;
}

.safety-band strong {
    color: var(--text);
}

/* ---------- WHY CHOOSE ---------- */
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.why-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px;
}

    .why-card .icon {
        color: var(--flame);
        width: 22px;
        height: 22px;
        margin-bottom: 14px;
    }

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

    .why-card p {
        font-size: .82rem;
        color: var(--muted);
    }

.doctor-strip {
    margin-top: 34px;
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 22px 26px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel2);
}

.doctor-avatar {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: var(--grad);
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

    .doctor-avatar .icon {
        color: #100a05;
        width: 26px;
        height: 26px;
    }

.doctor-strip p {
    color: var(--muted);
    font-size: .9rem;
}

.doctor-strip strong {
    color: var(--text);
}

/* ---------- FAQ ---------- */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    /*max-width: 820px;*/
}

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

    .faq-item summary {
        list-style: none;
        cursor: pointer;
        padding: 10px 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-weight: 600;
        font-size: .98rem;
    }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .plus {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 1px solid var(--line);
            display: grid;
            place-items: center;
            flex-shrink: 0;
            color: var(--amber);
            transition: transform .2s ease;
        }

    .faq-item[open] summary .plus {
        transform: rotate(45deg);
    }

    .faq-item .faq-body {
        padding: 0 24px 22px;
        color: var(--muted);
        font-size: .92rem;
        max-width: 70ch;
    }

/* ---------- CTA ---------- */
.cta-band {
    border-radius: 24px;
    background: linear-gradient(120deg, #1a1f2b, #14171f);
    border: 1px solid var(--line);
    padding: 1  6px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

    .cta-band::before {
        content: "";
        position: absolute;
        inset: 0;
        background: radial-gradient(500px 220px at 50% 0%, rgba(228,87,46,.18), transparent 70%);
    }

    .cta-band > * {
        position: relative;
    }

    .cta-band h2 {
        font-size: clamp(1.7rem, 3.4vw, 2.4rem);
        margin-bottom: 0px;
    }

    .cta-band p {
        color: var(--muted);
        max-width: 65ch;
        margin: 0px auto 10px;
    }

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



/* ---------- RESPONSIVE ---------- */
@media (max-width: 980px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .benefits-wrap {
        grid-template-columns: 1fr;
    }

    .uses-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .procedure-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px 0;
    }

        .procedure-steps::before {
            display: none;
        }

   
}

@media (max-width: 720px) {
    

    .uses-grid {
        grid-template-columns: 1fr;
    }

    .why-grid {
        grid-template-columns: 1fr;
    }

    .benefits-list {
        grid-template-columns: 1fr;
    }

    .safety-band {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    section {
        padding: 30px 0;
    }

    .hero {
        padding: 56px 0 60px;
    }

    .cta-band {
        padding: 40px 24px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    * {
        transition: none !important;
    }
}