:root {
    --page: #f3f9ff;
    --page-strong: #e6f3ff;
    --surface: rgba(255, 255, 255, 0.78);
    --surface-solid: #ffffff;
    --ink: #10213d;
    --ink-soft: #314766;
    --muted: #637996;
    --line: rgba(59, 130, 246, 0.16);
    --line-strong: rgba(37, 99, 235, 0.28);
    --blue: #2563eb;
    --blue-dark: #153e9f;
    --sky: #22b6ff;
    --mint: #41d6b7;
    --coral: #ff8a6b;
    --green: #17a976;
    --shadow: 0 24px 70px rgba(36, 83, 150, 0.14);
    --soft-shadow: 0 16px 44px rgba(36, 83, 150, 0.1);
    --gradient: linear-gradient(135deg, #5fd3ff 0%, #2f7df4 48%, #45dfbd 100%);
    --transition: 220ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    color: var(--ink);
    background:
        linear-gradient(135deg, rgba(95, 211, 255, 0.25), transparent 28rem),
        linear-gradient(215deg, rgba(65, 214, 183, 0.16), transparent 36rem),
        linear-gradient(180deg, #f7fbff 0%, var(--page) 42%, #eef7ff 100%);
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        linear-gradient(rgba(37, 99, 235, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.045) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(to bottom, #000 0%, transparent 86%);
}

button,
input,
textarea,
select {
    font: inherit;
}

a {
    color: inherit;
}

img,
svg {
    display: block;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(34, 182, 255, 0.46);
    outline-offset: 3px;
}

h1,
h2,
h3,
.brand-name,
.footer-brand span {
    font-family: "Space Grotesk", "Inter", sans-serif;
    line-height: 1.02;
    letter-spacing: 0;
}

h1 {
    max-width: 760px;
    margin: 18px 0 22px;
    font-size: 4.05rem;
}

h2 {
    font-size: 3.15rem;
}

h3 {
    font-size: 1.08rem;
}

p {
    color: var(--muted);
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    width: 100%;
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 15px 8%;
    background: rgba(247, 251, 255, 0.78);
    border-bottom: 1px solid rgba(37, 99, 235, 0.12);
    backdrop-filter: blur(22px);
    transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
}

nav.is-scrolled {
    background: rgba(255, 255, 255, 0.92);
    border-color: rgba(37, 99, 235, 0.18);
    box-shadow: 0 12px 34px rgba(36, 83, 150, 0.12);
}

.logo-container,
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--ink);
    text-decoration: none;
}

.logo-img {
    width: 42px;
    height: 42px;
}

.brand-name {
    font-size: 1.15rem;
    font-weight: 800;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
}

.nav-links a {
    position: relative;
    color: var(--ink-soft);
    font-size: 0.94rem;
    font-weight: 750;
    text-decoration: none;
    transition: color var(--transition);
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 100%;
    height: 2px;
    border-radius: 99px;
    background: var(--gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--blue);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
    transform: scaleX(1);
}

.cta-btn,
.secondary-btn,
.submit-btn,
.preview-pay {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 50px;
    border: 0;
    border-radius: 8px;
    color: #ffffff;
    background: linear-gradient(135deg, var(--blue), #22a3ff 54%, var(--mint));
    padding: 13px 22px;
    font-size: 0.95rem;
    font-weight: 850;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 16px 34px rgba(37, 99, 235, 0.22);
    transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.cta-btn:hover,
.cta-btn:focus-visible,
.submit-btn:hover,
.submit-btn:focus-visible,
.preview-pay:hover,
.preview-pay:focus-visible {
    transform: translateY(-2px);
    filter: saturate(1.08);
    box-shadow: 0 20px 44px rgba(34, 182, 255, 0.28);
}

.secondary-btn {
    color: var(--blue-dark);
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--line-strong);
    box-shadow: none;
    backdrop-filter: blur(18px);
}

.secondary-btn:hover,
.secondary-btn:focus-visible {
    transform: translateY(-2px);
    border-color: rgba(37, 99, 235, 0.42);
    box-shadow: 0 16px 32px rgba(36, 83, 150, 0.12);
}

.hero {
    position: relative;
    min-height: 92svh;
    display: grid;
    grid-template-columns: minmax(0, 1.03fr) minmax(380px, 0.78fr);
    gap: 56px;
    align-items: center;
    padding: 120px 8% 64px;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    right: -12%;
    bottom: 8%;
    width: 58%;
    height: 58%;
    background: linear-gradient(135deg, rgba(34, 182, 255, 0.18), rgba(65, 214, 183, 0.18));
    filter: blur(56px);
    transform: skewY(-8deg);
    pointer-events: none;
}

.hero-content,
.payment-preview {
    position: relative;
    z-index: 1;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--blue);
    font-size: 0.88rem;
    font-weight: 850;
}

.eyebrow::before {
    content: "";
    width: 32px;
    height: 2px;
    border-radius: 99px;
    background: var(--gradient);
}

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

.hero h1::selection,
.hero p::selection {
    background: rgba(34, 182, 255, 0.22);
}

.hero p {
    max-width: 660px;
    color: var(--ink-soft);
    font-size: 1.1rem;
}

.hero-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(120px, 1fr));
    gap: 12px;
    max-width: 680px;
    margin-top: 28px;
}

.hero-metrics div {
    min-height: 96px;
    padding: 17px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.58);
    box-shadow: var(--soft-shadow);
    backdrop-filter: blur(16px);
}

.hero-metrics dt {
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 800;
}

.hero-metrics dd {
    margin-top: 5px;
    color: var(--ink);
    font-size: 1.32rem;
    font-weight: 900;
}

.payment-preview {
    min-height: 520px;
}

.preview-card {
    border: 1px solid rgba(37, 99, 235, 0.16);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.76);
    box-shadow: var(--shadow);
    backdrop-filter: blur(24px);
}

.request-card {
    position: absolute;
    top: 18px;
    right: 0;
    width: min(100%, 450px);
    padding: 24px;
}

.request-card::before {
    content: "";
    position: absolute;
    inset: 12px;
    z-index: -1;
    border-radius: 8px;
    background:
        linear-gradient(rgba(37, 99, 235, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.055) 1px, transparent 1px);
    background-size: 44px 44px;
}

.preview-header,
.preview-person {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.preview-header span,
.preview-field span,
.preview-person span,
.received-card span {
    display: block;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 800;
}

.preview-header strong {
    display: block;
    margin-top: 4px;
    font-size: 1.22rem;
}

.preview-header i {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 8px;
    color: var(--blue);
    background: rgba(34, 182, 255, 0.12);
}

.preview-field {
    margin-top: 18px;
    padding: 17px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.64);
}

.preview-field strong {
    display: block;
    margin-top: 6px;
    color: var(--ink);
    font-size: 1.04rem;
}

.amount-field {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(65, 214, 183, 0.16));
}

.amount-field strong {
    font-size: 2rem;
}

.preview-person {
    margin: 20px 0;
    justify-content: flex-start;
}

.preview-person strong {
    display: block;
    margin-top: 3px;
}

.avatar {
    display: grid;
    width: 50px;
    height: 50px;
    place-items: center;
    border-radius: 8px;
    color: #ffffff;
    background: linear-gradient(135deg, var(--blue), var(--sky));
    font-weight: 900;
}

.preview-pay {
    width: 100%;
}

.received-card {
    position: absolute;
    left: 0;
    bottom: 10px;
    width: min(88%, 390px);
    padding: 20px;
}

.mini-currency-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin: 14px 0 10px;
}

.mini-currency-row strong {
    display: grid;
    min-height: 44px;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--blue-dark);
    background: rgba(255, 255, 255, 0.78);
    font-size: 0.9rem;
}

main {
    position: relative;
}

section {
    padding: 96px 8%;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 42px;
}

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

.section-heading.centered .eyebrow {
    justify-content: center;
}

.section-heading h2,
.contact-info h2,
.checkout-band h2 {
    margin: 16px 0 18px;
}

.section-heading p,
.contact-info p,
.checkout-band p {
    font-size: 1.05rem;
}

.currency-section {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.38), rgba(230, 243, 255, 0.68));
}

.currency-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.currency-card,
.use-case-card,
.steps-grid article,
.trust-card,
.contact-form,
.contact-info .info-item {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--soft-shadow);
    backdrop-filter: blur(18px);
}

.currency-card {
    min-height: 176px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 22px;
    text-decoration: none;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.currency-card:hover,
.currency-card:focus-visible {
    transform: translateY(-5px);
    border-color: var(--line-strong);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--shadow);
}

.currency-card.featured {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.14), rgba(65, 214, 183, 0.18)), rgba(255, 255, 255, 0.72);
}

.currency-code {
    display: inline-grid;
    width: 58px;
    height: 42px;
    place-items: center;
    border-radius: 8px;
    color: #ffffff;
    background: var(--gradient);
    font-weight: 900;
}

.currency-card strong {
    display: block;
    margin-top: 24px;
    color: var(--ink);
    font-size: 1.1rem;
}

.currency-card small {
    display: block;
    margin-top: 7px;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 700;
}

.section-action {
    display: flex;
    justify-content: center;
    margin-top: 32px;
}

.use-cases {
    background: rgba(255, 255, 255, 0.46);
}

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

.use-case-card {
    min-height: 270px;
    padding: 24px;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.use-case-card:hover {
    transform: translateY(-5px);
    border-color: var(--line-strong);
    box-shadow: var(--shadow);
}

.use-case-card i,
.trust-card i,
.info-item i {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border-radius: 8px;
    color: var(--blue);
    background: rgba(34, 182, 255, 0.13);
}

.use-case-card h3 {
    margin-top: 28px;
}

.use-case-card p {
    margin-top: 10px;
}

.use-case-card a {
    display: inline-flex;
    margin-top: 22px;
    color: var(--blue);
    font-weight: 850;
    text-decoration: none;
}

.use-case-card a:hover,
.use-case-card a:focus-visible {
    color: var(--blue-dark);
}

.steps {
    background: linear-gradient(180deg, rgba(230, 243, 255, 0.7), rgba(255, 255, 255, 0.56));
}

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

.steps-grid article {
    min-height: 250px;
    padding: 26px;
}

.steps-grid span {
    display: grid;
    width: 50px;
    height: 50px;
    place-items: center;
    border-radius: 8px;
    color: #ffffff;
    background: var(--gradient);
    font-weight: 900;
}

.steps-grid h3 {
    margin-top: 28px;
}

.steps-grid p {
    margin-top: 10px;
}

.checkout-band {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 34px;
    margin: 0 8%;
    padding: 44px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(65, 214, 183, 0.18)),
        rgba(255, 255, 255, 0.8);
    box-shadow: var(--shadow);
    backdrop-filter: blur(22px);
}

.checkout-band div {
    max-width: 720px;
}

.checkout-band .cta-btn {
    flex: 0 0 auto;
}

.trust-section {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    background: rgba(255, 255, 255, 0.36);
}

.trust-card {
    display: grid;
    grid-template-columns: 46px 1fr;
    gap: 16px;
    min-height: 170px;
    padding: 22px;
}

.trust-card p {
    margin-top: 8px;
}

.support {
    display: grid;
    grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
    gap: 48px;
    align-items: start;
    background: linear-gradient(180deg, rgba(230, 243, 255, 0.64), rgba(247, 251, 255, 0.92));
}

.contact-info {
    max-width: 560px;
}

.contact-info .info-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    min-height: 88px;
    margin-top: 14px;
    padding: 18px;
}

.contact-info p {
    margin-bottom: 28px;
}

.info-item h4 {
    color: var(--muted);
    font-size: 0.84rem;
}

.info-item a,
.info-item span {
    display: inline-flex;
    margin-top: 3px;
    color: var(--ink);
    text-decoration: none;
}

.info-item a:hover,
.info-item a:focus-visible {
    color: var(--blue);
}

.contact-form {
    padding: 30px;
    background: rgba(255, 255, 255, 0.86);
}

.contact-form label {
    display: block;
}

.contact-form label + label {
    margin-top: 14px;
}

.contact-form label span {
    display: block;
    margin-bottom: 7px;
    color: var(--ink-soft);
    font-size: 0.88rem;
    font-weight: 850;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    min-height: 48px;
    border: 1px solid rgba(37, 99, 235, 0.18);
    border-radius: 8px;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.92);
    outline: none;
    padding: 12px 14px;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    border-color: rgba(37, 99, 235, 0.52);
    box-shadow: 0 0 0 4px rgba(34, 182, 255, 0.14);
    background: #ffffff;
}

.contact-form textarea {
    min-height: 128px;
    resize: vertical;
}

.contact-form .submit-btn {
    width: 100%;
    margin-top: 18px;
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.68);
    cursor: pointer;
}

.bar {
    display: block;
    width: 22px;
    height: 2px;
    margin: 5px auto;
    border-radius: 99px;
    background: var(--blue-dark);
    transition: transform var(--transition), opacity var(--transition);
}

.bar.rotate-down {
    transform: translateY(7px) rotate(45deg);
}

.bar.fade-out {
    opacity: 0;
}

.bar.rotate-up {
    transform: translateY(-7px) rotate(-45deg);
}

footer {
    padding: 58px 8% 34px;
    text-align: center;
    background: #f7fbff;
    border-top: 1px solid rgba(37, 99, 235, 0.12);
}

.footer-brand {
    justify-content: center;
}

.footer-logo {
    width: 44px;
    height: 44px;
}

.footer-brand span {
    font-size: 1.2rem;
    font-weight: 800;
}

.tagline {
    margin: 18px 0 24px;
}

.footer-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 34px;
}

.footer-actions a {
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--blue-dark);
    background: rgba(255, 255, 255, 0.74);
    padding: 9px 14px;
    text-decoration: none;
    font-weight: 800;
    transition: border-color var(--transition), transform var(--transition);
}

.footer-actions a:hover,
.footer-actions a:focus-visible {
    transform: translateY(-2px);
    border-color: var(--line-strong);
}

.copyright {
    padding-top: 28px;
    border-top: 1px solid rgba(37, 99, 235, 0.1);
    color: rgba(99, 121, 150, 0.78);
    font-size: 0.86rem;
}

#installBanner {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 2000;
    display: none;
    align-items: center;
    gap: 9px;
    min-height: 46px;
    border: 0;
    border-radius: 8px;
    color: #ffffff;
    background: var(--gradient);
    padding: 12px 18px;
    font-weight: 850;
    cursor: pointer;
    box-shadow: 0 18px 42px rgba(37, 99, 235, 0.22);
}

@media (max-width: 1180px) {
    h1 {
        font-size: 3.7rem;
    }

    h2 {
        font-size: 2.7rem;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: 34px;
        min-height: auto;
    }

    .payment-preview {
        min-height: 500px;
    }

    .request-card {
        left: 0;
        right: auto;
    }

    .received-card {
        right: 0;
        left: auto;
    }
}

@media (max-width: 950px) {
    nav {
        min-height: 72px;
        padding: 14px 6%;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        height: calc(100svh - 72px);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 40px 6%;
        background: rgba(247, 251, 255, 0.96);
        border-top: 1px solid var(--line);
        backdrop-filter: blur(20px);
        transition: left var(--transition);
    }

    .nav-links.active {
        left: 0;
    }

    .desktop-only {
        display: none;
    }

    .hero {
        padding: 122px 6% 66px;
    }

    section {
        padding: 78px 6%;
    }

    .currency-grid,
    .use-case-grid,
    .steps-grid,
    .trust-section,
    .support {
        grid-template-columns: 1fr;
    }

    .checkout-band {
        flex-direction: column;
        align-items: flex-start;
        margin: 0 6%;
        padding: 34px;
    }
}

@media (min-width: 951px) {
    .mobile-only {
        display: none;
    }
}

@media (max-width: 720px) {
    h1 {
        font-size: 2.85rem;
    }

    h2 {
        font-size: 2.15rem;
    }

    .hero p,
    .section-heading p,
    .contact-info p,
    .checkout-band p {
        font-size: 1rem;
    }

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

    .payment-preview {
        min-height: auto;
    }

    .request-card,
    .received-card {
        position: relative;
        width: 100%;
        top: auto;
        right: auto;
        bottom: auto;
        left: auto;
    }

    .received-card {
        margin-top: 16px;
    }

    .checkout-band .cta-btn {
        width: 100%;
    }

    .contact-form {
        padding: 22px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2.35rem;
    }

    h2 {
        font-size: 1.82rem;
    }

    .brand-name {
        font-size: 1rem;
    }

    .logo-img {
        width: 38px;
        height: 38px;
    }

    .hero-btns {
        flex-direction: column;
    }

    .cta-btn,
    .secondary-btn {
        width: 100%;
    }

    .amount-field strong {
        font-size: 1.65rem;
    }

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

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 1ms !important;
        transition-duration: 1ms !important;
    }
}