:root {
    --primary: #9d19d1;
    --primary-dark: #581071;
    --magenta: #d924b8;
    --cyan: #11b7d7;
    --mint: #18a87d;
    --amber: #f0a202;
    --ink: #17151f;
    --muted: #625a6b;
    --line: #e7e1ed;
    --surface: #ffffff;
    --surface-soft: #f8f5fb;
    --shadow: 0 18px 50px rgba(35, 22, 48, 0.12);
    --radius: 8px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    color: var(--ink);
    background: var(--surface);
    line-height: 1.6;
}

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

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 14px clamp(20px, 5vw, 72px);
    min-height: 92px;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(231, 225, 237, 0.78);
    backdrop-filter: blur(14px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.08rem;
    font-weight: 800;
    letter-spacing: 0;
}

.brand-logo {
    width: clamp(190px, 20vw, 300px);
    height: 64px;
    object-fit: contain;
    object-position: left center;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    color: #fff;
    background: var(--primary);
    border-radius: 8px;
    box-shadow: 0 10px 24px rgba(157, 25, 209, 0.26);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.site-nav a {
    padding: 10px 12px;
    color: var(--muted);
    font-size: 1rem;
    font-weight: 760;
    border-radius: 8px;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--primary);
    background: var(--surface-soft);
    outline: none;
}

.site-nav .nav-login {
    margin-left: 6px;
    color: #fff;
    background: var(--primary-dark);
    box-shadow: 0 12px 24px rgba(88, 16, 113, 0.18);
}

.site-nav .nav-login:hover,
.site-nav .nav-login:focus-visible {
    color: #fff;
    background: var(--primary);
}

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    padding: 9px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
}

.nav-toggle span {
    display: block;
    height: 2px;
    margin: 5px 0;
    background: var(--ink);
}

.hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(340px, 0.72fr) minmax(520px, 1.28fr);
    align-items: center;
    gap: clamp(28px, 4vw, 64px);
    min-height: calc(100vh - 92px);
    padding: clamp(42px, 5vw, 72px) clamp(20px, 5vw, 72px) clamp(34px, 5vw, 64px);
    background:
        linear-gradient(90deg, rgba(9, 39, 151, 0.98) 0%, rgba(94, 20, 178, 0.96) 27%, rgba(164, 26, 215, 0.76) 47%, rgba(255, 255, 255, 0.12) 66%, rgba(255, 255, 255, 0.04) 100%),
        url("assets/zynexliv-hero.png") right center / cover no-repeat,
        #ffffff;
    overflow: hidden;
}

.hero::before {
    display: none;
}

.hero-copy {
    position: relative;
    z-index: 1;
    color: #fff;
    max-width: 670px;
    padding: 0;
    border-left: none;
    border-radius: var(--radius);
    background: transparent;
    box-shadow: none;
}

.eyebrow {
    margin: 0 0 12px;
    width: fit-content;
    padding: 8px 11px;
    color: #e9faff;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero h1 {
    margin: 0;
    max-width: 720px;
    font-size: clamp(3.2rem, 7vw, 6rem);
    line-height: 0.96;
    letter-spacing: 0;
}

.hero-text {
    max-width: 610px;
    margin: 22px 0 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.16rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 12px 18px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-weight: 800;
    cursor: pointer;
}

.button-primary {
    color: var(--primary-dark);
    background: #fff;
    box-shadow: 0 14px 32px rgba(30, 5, 55, 0.22);
}

.button-primary:hover,
.button-primary:focus-visible {
    background: #f8edff;
    outline: none;
}

.button-secondary {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.36);
    background: rgba(255, 255, 255, 0.08);
}

.button-secondary:hover,
.button-secondary:focus-visible {
    border-color: #fff;
    color: #fff;
    outline: none;
}

.button-login {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.28);
    background: linear-gradient(135deg, var(--cyan), var(--primary));
    box-shadow: 0 14px 32px rgba(17, 183, 215, 0.18);
}

.button-login:hover,
.button-login:focus-visible {
    border-color: rgba(255, 255, 255, 0.52);
    filter: brightness(1.06);
    outline: none;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    max-width: 560px;
    margin: 42px 0 0;
}

.hero-metrics div {
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.1);
}

.hero-metrics dt {
    font-size: 1.45rem;
    font-weight: 850;
}

.hero-metrics dd {
    margin: 2px 0 0;
    color: rgba(255, 255, 255, 0.76);
    font-size: 0.88rem;
}

.hero-visual {
    display: none;
}

.hero-visual img {
    width: 100%;
    height: 100%;
    min-height: 560px;
    object-fit: cover;
    border-radius: var(--radius);
    object-position: center right;
    box-shadow: 0 26px 70px rgba(63, 12, 102, 0.14);
}

.section {
    padding: clamp(56px, 8vw, 96px) clamp(20px, 5vw, 72px);
}

.section-heading {
    max-width: 780px;
    margin-bottom: 34px;
}

.section-heading h2,
.workflow-copy h2,
.contact-copy h2 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.05;
    letter-spacing: 0;
}

.section-heading p,
.workflow-copy p,
.contact-copy p {
    margin: 16px 0 0;
    color: var(--muted);
    font-size: 1rem;
}

.section-heading-row {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.55fr);
    gap: 28px;
    max-width: none;
    align-items: end;
}

.platform-section {
    background: var(--surface);
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.platform-panel,
.module-item,
.workflow-step,
.contact-form {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 12px 32px rgba(23, 21, 31, 0.06);
}

.platform-panel {
    padding: 24px;
}

.panel-icon,
.module-number,
.workflow-step span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: var(--primary);
    font-weight: 850;
    border-radius: 8px;
}

.panel-icon {
    width: 42px;
    height: 34px;
}

.platform-panel:nth-child(2) .panel-icon,
.module-item:nth-child(3n + 2) .module-number,
.workflow-step:nth-child(2) span {
    background: var(--cyan);
}

.platform-panel:nth-child(3) .panel-icon,
.module-item:nth-child(3n) .module-number,
.workflow-step:nth-child(3) span {
    background: var(--mint);
}

.platform-panel h3,
.module-item h3,
.workflow-step h3 {
    margin: 18px 0 8px;
    font-size: 1.12rem;
    line-height: 1.2;
}

.platform-panel p,
.module-item p,
.workflow-step p {
    margin: 0;
    color: var(--muted);
}

.modules-section {
    background: var(--surface-soft);
}

.mobile-section {
    background:
        linear-gradient(135deg, rgba(157, 25, 209, 0.08), rgba(17, 183, 215, 0.07)),
        var(--surface);
}

.module-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.module-item {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 18px;
    padding: 20px;
}

.module-number {
    width: 44px;
    height: 44px;
}

.module-item h3 {
    margin-top: 0;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.app-card {
    position: relative;
    overflow: hidden;
    min-height: 220px;
    padding: 24px;
    border: 1px solid rgba(157, 25, 209, 0.16);
    border-radius: var(--radius);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 245, 251, 0.96)),
        var(--surface);
    box-shadow: 0 16px 42px rgba(53, 16, 76, 0.1);
}

.app-card::after {
    content: "";
    position: absolute;
    right: -46px;
    bottom: -54px;
    width: 140px;
    height: 140px;
    border-radius: 999px;
    background: rgba(157, 25, 209, 0.1);
}

.app-badge {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 6px 10px;
    color: #fff;
    background: var(--primary);
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 850;
}

.app-card:nth-child(2) .app-badge {
    background: var(--magenta);
}

.app-card:nth-child(3) .app-badge {
    background: var(--cyan);
}

.app-card h3 {
    position: relative;
    margin: 20px 0 10px;
    font-size: 1.22rem;
}

.app-card p {
    position: relative;
    margin: 0;
    color: var(--muted);
}

.workflow-section {
    display: grid;
    grid-template-columns: minmax(0, 0.65fr) minmax(0, 1fr);
    gap: clamp(28px, 5vw, 64px);
    align-items: start;
    background: #17151f;
    color: #fff;
}

.workflow-copy p {
    color: rgba(255, 255, 255, 0.74);
}

.workflow-steps {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.workflow-step {
    padding: 22px;
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.14);
    box-shadow: none;
}

.workflow-step span {
    width: 38px;
    height: 38px;
}

.workflow-step:nth-child(4) span {
    background: var(--amber);
}

.workflow-step p {
    color: rgba(255, 255, 255, 0.72);
}

.contact-section {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(340px, 0.7fr);
    gap: clamp(28px, 5vw, 72px);
    background: var(--surface);
}

.contact-form {
    display: grid;
    gap: 16px;
    padding: 24px;
}

.contact-form label {
    display: grid;
    gap: 7px;
    color: var(--ink);
    font-weight: 760;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px 13px;
    font: inherit;
    color: var(--ink);
    background: #fff;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--primary);
    outline: 3px solid rgba(157, 25, 209, 0.14);
}

.contact-form .button {
    width: fit-content;
}

.form-note {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 26px clamp(20px, 5vw, 72px);
    color: rgba(255, 255, 255, 0.74);
    background: var(--ink);
}

.site-footer p {
    margin: 0;
}

.site-footer .brand {
    color: #fff;
}

.site-footer .brand-logo {
    width: 140px;
    height: 36px;
    padding: 6px 8px;
    border-radius: var(--radius);
    background: #fff;
}

@media (max-width: 980px) {
    .hero,
    .workflow-section,
    .contact-section,
    .section-heading-row {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
        padding-bottom: clamp(280px, 52vw, 440px);
        background:
            linear-gradient(180deg, rgba(9, 39, 151, 0.98) 0%, rgba(94, 20, 178, 0.95) 42%, rgba(164, 26, 215, 0.52) 64%, rgba(255, 255, 255, 0.1) 100%),
            url("assets/zynexliv-hero.png") center bottom / 112% auto no-repeat,
            #ffffff;
    }

    .hero-copy {
        max-width: none;
    }

    .hero-visual {
        min-height: auto;
    }

    .hero-visual img {
        height: auto;
        min-height: 360px;
    }

    .platform-grid,
    .module-list,
    .app-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .site-header {
        align-items: center;
        padding: 14px 18px;
        min-height: 78px;
    }

    .brand-logo {
        width: clamp(170px, 52vw, 230px);
        height: 50px;
    }

    .nav-toggle {
        display: block;
    }

    .site-nav {
        position: absolute;
        top: 76px;
        left: 18px;
        right: 18px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 10px;
        border: 1px solid var(--line);
        border-radius: var(--radius);
        background: #fff;
        box-shadow: var(--shadow);
    }

    .site-nav.is-open {
        display: flex;
    }

    .hero {
        padding-top: 36px;
        padding-bottom: 260px;
        background:
            linear-gradient(180deg, rgba(9, 39, 151, 0.98) 0%, rgba(94, 20, 178, 0.95) 54%, rgba(164, 26, 215, 0.46) 74%, rgba(255, 255, 255, 0.08) 100%),
            url("assets/zynexliv-hero.png") center bottom / 136% auto no-repeat,
            #ffffff;
    }

    .hero h1 {
        font-size: 2.85rem;
    }

    .hero-metrics,
    .workflow-steps {
        grid-template-columns: 1fr;
    }

    .module-item {
        grid-template-columns: 1fr;
    }

    .contact-section {
        grid-template-columns: 1fr;
    }

    .site-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}