:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --navy: #0f172a;
    --text: #334155;
    --muted: #64748b;
    --teal: #14b8a6;
    --background: #f8fafc;
    --surface: #ffffff;
    --border: #e2e8f0;
    --light-blue: #eff6ff;
    --light-teal: #f0fdfa;
    --shadow: 0 22px 60px rgba(15, 23, 42, 0.10);
    --radius-large: 28px;
    --radius-medium: 18px;
    --radius-small: 12px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background: var(--background);
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    line-height: 1.6;
}

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

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

.container {
    width: min(1160px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid rgba(226, 232, 240, 0.85);
    background: rgba(248, 250, 252, 0.9);
    backdrop-filter: blur(18px);
}

.navigation {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    color: var(--navy);
    font-size: 1.12rem;
    font-weight: 800;
}

.brand-logo {
    width: 42px;
    height: 42px;
    display: inline-grid;
    place-items: center;
    border-radius: 13px;
    color: #ffffff;
    background:
        linear-gradient(
            135deg,
            var(--primary),
            var(--teal)
        );
    box-shadow: 0 10px 24px rgba(37, 99, 235, 0.24);
    font-size: 1.3rem;
    font-weight: 900;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
    color: #475569;
    font-size: 0.94rem;
    font-weight: 600;
}

.nav-links a:hover {
    color: var(--primary);
}

.button {
    min-height: 50px;
    padding: 0 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: 1px solid transparent;
    border-radius: 14px;
    font-weight: 750;
    transition:
        transform 160ms ease,
        box-shadow 160ms ease,
        background 160ms ease;
}

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

.button-small {
    min-height: 44px;
    padding: 0 18px;
    color: #ffffff;
    background: var(--primary);
}

.button-primary {
    color: #ffffff;
    background: var(--primary);
    box-shadow: 0 15px 34px rgba(37, 99, 235, 0.24);
}

.button-primary:hover,
.button-small:hover {
    background: var(--primary-dark);
}

.button-secondary {
    color: var(--navy);
    border-color: var(--border);
    background: var(--surface);
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 96px 0 82px;
}

.hero::before {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    top: -270px;
    left: -190px;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.1);
    filter: blur(10px);
}

.hero::after {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    right: -220px;
    bottom: -180px;
    border-radius: 50%;
    background: rgba(20, 184, 166, 0.1);
}

.hero-layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.65fr);
    align-items: center;
    gap: 80px;
}

.eyebrow,
.section-label {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 850;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 760px;
    margin: 20px 0 24px;
    color: var(--navy);
    font-size: clamp(3rem, 6vw, 5.6rem);
    line-height: 0.99;
    letter-spacing: -0.06em;
}

.hero h1 span {
    color: var(--primary);
}

.hero-description {
    max-width: 670px;
    margin: 0;
    color: var(--muted);
    font-size: 1.12rem;
}

.hero-actions {
    margin-top: 34px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.hero-note {
    margin-top: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #64748b;
    font-size: 0.9rem;
}

.status-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--teal);
    box-shadow: 0 0 0 6px rgba(20, 184, 166, 0.12);
}

.qr-card {
    padding: 26px;
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: var(--radius-large);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--shadow);
}

.qr-card-header {
    display: flex;
    align-items: center;
    gap: 13px;
}

.qr-card-header strong,
.qr-card-header span {
    display: block;
}

.qr-card-header strong {
    color: var(--navy);
    font-size: 1rem;
}

.qr-card-header span {
    color: var(--muted);
    font-size: 0.84rem;
}

.qr-icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 13px;
    color: var(--primary);
    background: var(--light-blue);
    font-size: 1.4rem;
}

.qr-wrapper {
    margin: 24px 0 18px;
    padding: 20px;
    border-radius: 22px;
    background:
        linear-gradient(
            135deg,
            var(--light-blue),
            var(--light-teal)
        );
}

.qr-wrapper img {
    width: 100%;
    border-radius: 13px;
    background: #ffffff;
}

.qr-card > p {
    margin: 0;
    color: var(--muted);
    text-align: center;
    font-size: 0.88rem;
}

.mobile-action {
    margin-top: 20px;
    padding-top: 18px;
    display: flex;
    justify-content: space-between;
    gap: 14px;
    border-top: 1px solid var(--border);
    font-size: 0.86rem;
}

.mobile-action span {
    color: var(--muted);
}

.mobile-action a {
    color: var(--primary);
    font-weight: 800;
}

.trust-strip {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: #ffffff;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.trust-grid div {
    padding: 25px;
    border-right: 1px solid var(--border);
    text-align: center;
}

.trust-grid div:last-child {
    border-right: none;
}

.trust-grid strong,
.trust-grid span {
    display: block;
}

.trust-grid strong {
    color: var(--navy);
    font-size: 1.15rem;
}

.trust-grid span {
    margin-top: 3px;
    color: var(--muted);
    font-size: 0.82rem;
}

.section {
    padding: 100px 0;
}

.section-heading {
    max-width: 690px;
    margin-bottom: 48px;
}

.section-heading h2,
.faq-intro h2,
.final-cta h2 {
    margin: 12px 0 15px;
    color: var(--navy);
    font-size: clamp(2rem, 4vw, 3.35rem);
    line-height: 1.08;
    letter-spacing: -0.045em;
}

.section-heading p,
.faq-intro p {
    margin: 0;
    color: var(--muted);
    font-size: 1.02rem;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.step-card,
.feature-card {
    position: relative;
    padding: 29px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-medium);
    background: var(--surface);
    transition:
        transform 180ms ease,
        box-shadow 180ms ease,
        border-color 180ms ease;
}

.step-card:hover,
.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(37, 99, 235, 0.25);
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.08);
}

.step-number {
    position: absolute;
    top: 17px;
    right: 21px;
    color: #cbd5e1;
    font-size: 0.83rem;
    font-weight: 850;
}

.step-icon,
.feature-icon {
    width: 49px;
    height: 49px;
    display: grid;
    place-items: center;
    border-radius: 15px;
    color: var(--primary);
    background: var(--light-blue);
    font-size: 1.28rem;
}

.step-card h3,
.feature-card h3 {
    margin: 22px 0 8px;
    color: var(--navy);
    font-size: 1.08rem;
}

.step-card p,
.feature-card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.highlighted-step {
    border-color: rgba(20, 184, 166, 0.28);
    background:
        linear-gradient(
            145deg,
            #ffffff,
            var(--light-teal)
        );
}

.highlighted-step .step-icon {
    color: #0f766e;
    background: #ccfbf1;
}

.features-section {
    background: #ffffff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.feature-card {
    min-height: 245px;
}

.faq-layout {
    display: grid;
    grid-template-columns: 0.75fr 1.25fr;
    gap: 75px;
}

.faq-list {
    display: grid;
    gap: 13px;
}

.faq-list details {
    padding: 19px 21px;
    border: 1px solid var(--border);
    border-radius: 15px;
    background: #ffffff;
}

.faq-list summary {
    position: relative;
    padding-right: 30px;
    color: var(--navy);
    cursor: pointer;
    list-style: none;
    font-weight: 750;
}

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

.faq-list summary::after {
    content: "+";
    position: absolute;
    right: 0;
    color: var(--primary);
    font-size: 1.3rem;
}

.faq-list details[open] summary::after {
    content: "−";
}

.faq-list p {
    margin: 13px 0 0;
    color: var(--muted);
}

.final-cta {
    padding: 0 0 100px;
}

.final-cta-card {
    padding: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    border-radius: var(--radius-large);
    color: #ffffff;
    background:
        radial-gradient(
            circle at top right,
            rgba(20, 184, 166, 0.55),
            transparent 35%
        ),
        linear-gradient(
            135deg,
            var(--navy),
            #172554
        );
}

.final-cta h2 {
    margin-bottom: 10px;
    color: #ffffff;
}

.final-cta p {
    max-width: 650px;
    margin: 0;
    color: #cbd5e1;
}

.light-label {
    color: #5eead4;
}

.button-light {
    flex-shrink: 0;
    color: var(--navy);
    background: #ffffff;
}

.site-footer {
    padding: 68px 0 25px;
    color: #94a3b8;
    background: var(--navy);
}

.footer-layout {
    display: grid;
    grid-template-columns: 1.4fr 0.7fr 0.7fr;
    gap: 55px;
}

.footer-brand {
    color: #ffffff;
}

.footer-layout p {
    max-width: 390px;
}

.footer-links {
    display: grid;
    align-content: start;
    gap: 12px;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-bottom {
    margin-top: 55px;
    padding-top: 22px;
    border-top: 1px solid rgba(148, 163, 184, 0.2);
    font-size: 0.83rem;
}

@media (max-width: 900px) {
    .nav-links {
        display: none;
    }

    .hero {
        padding-top: 70px;
    }

    .hero-layout {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .qr-card {
        max-width: 500px;
    }

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

    .faq-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 28px, 1160px);
    }

    .site-header .button-small {
        display: none;
    }

    .navigation {
        min-height: 68px;
    }

    .hero {
        padding: 58px 0;
    }

    .hero h1 {
        font-size: 3.15rem;
    }

    .hero-actions {
        display: grid;
    }

    .hero-actions .button {
        width: 100%;
    }

    .qr-card {
        display: none;
    }

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

    .trust-grid div:nth-child(2) {
        border-right: none;
    }

    .trust-grid div:nth-child(-n + 2) {
        border-bottom: 1px solid var(--border);
    }

    .steps-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 75px 0;
    }

    .final-cta-card {
        padding: 35px 25px;
        align-items: flex-start;
        flex-direction: column;
    }

    .button-light {
        width: 100%;
    }

    .footer-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}