:root {
    --donevia-bg: #f7f9fc;
    --donevia-surface: #ffffff;
    --donevia-text: #172033;
    --donevia-muted: #667085;
    --donevia-primary: #2563eb;
    --donevia-primary-dark: #1d4ed8;
    --donevia-border: #e4e7ec;
    --donevia-dark: #101828;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    background: var(--donevia-bg);
    color: var(--donevia-text);
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--donevia-primary);
    text-decoration: none;
}

a:hover {
    color: var(--donevia-primary-dark);
}

.site-header {
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--donevia-border);
}

.site-navbar {
    min-height: 72px;
}

.site-brand {
    color: var(--donevia-dark);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.site-brand:hover {
    color: var(--donevia-dark);
}

.site-nav-link {
    color: var(--donevia-muted);
    font-weight: 500;
}

.site-nav-link:hover {
    color: var(--donevia-dark);
}

.site-main {
    min-height: calc(100vh - 145px);
}

.site-footer {
    padding: 32px 0;
    background: var(--donevia-surface);
    border-top: 1px solid var(--donevia-border);
    color: var(--donevia-muted);
    font-size: 0.9rem;
}

/* Landing hero */

.landing-hero {
    position: relative;
    overflow: hidden;
    padding: 110px 0 105px;
    background:
        radial-gradient(
            circle at 78% 30%,
            rgba(37, 99, 235, 0.12),
            transparent 32%
        ),
        linear-gradient(
            180deg,
            #ffffff 0%,
            var(--donevia-bg) 100%
        );
}

.landing-hero::after {
    content: "";
    position: absolute;
    top: 70px;
    right: 7%;
    width: 420px;
    height: 420px;
    border: 1px solid rgba(37, 99, 235, 0.12);
    border-radius: 50%;
    pointer-events: none;
}

.landing-eyebrow {
    display: inline-flex;
    align-items: center;
    margin-bottom: 22px;
    padding: 7px 13px;
    border: 1px solid rgba(37, 99, 235, 0.18);
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.06);
    color: var(--donevia-primary);
    font-size: 0.85rem;
    font-weight: 600;
}

.landing-title {
    max-width: 850px;
    margin: 0 0 24px;
    color: var(--donevia-dark);
    font-size: clamp(3rem, 5.4vw, 5.2rem);
    font-weight: 750;
    line-height: 1.02;
    letter-spacing: -0.055em;
}

.landing-lead {
    max-width: 720px;
    margin-bottom: 34px;
    color: var(--donevia-muted);
    font-size: 1.2rem;
    line-height: 1.7;
}

.landing-hero .btn {
    border-radius: 10px;
    font-weight: 600;
}

.landing-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 24px;
    margin-top: 34px;
    color: var(--donevia-muted);
    font-size: 0.9rem;
}

.landing-hero-meta span::before {
    content: "✓";
    margin-right: 7px;
    color: var(--donevia-primary);
    font-weight: 700;
}

@media (max-width: 767.98px) {
    .landing-hero {
        padding: 75px 0 70px;
    }

    .landing-hero::after {
        display: none;
    }

    .landing-title {
        font-size: 3rem;
    }

    .landing-lead {
        font-size: 1.05rem;
    }

    .landing-hero-meta {
        flex-direction: column;
        gap: 8px;
    }
}
/* Landing sections */

.landing-section {
    padding: 100px 0;
    background: var(--donevia-surface);
}

.section-heading {
    max-width: 780px;
    margin-bottom: 55px;
}

.section-eyebrow {
    margin-bottom: 12px;
    color: var(--donevia-primary);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.section-heading h2 {
    margin-bottom: 18px;
    color: var(--donevia-dark);
    font-size: clamp(2rem, 3.2vw, 3rem);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.04em;
}

.section-heading p {
    margin: 0;
    color: var(--donevia-muted);
    font-size: 1.08rem;
    line-height: 1.7;
}

.feature-card {
    height: 100%;
    padding: 30px 0;
    border-top: 1px solid var(--donevia-border);
}

.feature-icon {
    margin-bottom: 22px;
    color: var(--donevia-primary);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.feature-card h3 {
    margin-bottom: 13px;
    color: var(--donevia-dark);
    font-size: 1.25rem;
    font-weight: 650;
    letter-spacing: -0.025em;
}

.feature-card p {
    max-width: 360px;
    margin: 0;
    color: var(--donevia-muted);
    line-height: 1.65;
}

@media (max-width: 767.98px) {
    .landing-section {
        padding: 70px 0;
    }

    .section-heading {
        margin-bottom: 35px;
    }

    .feature-card {
        padding: 24px 0;
    }
}

/* How it works */

.how-section {
    background: var(--donevia-bg);
}

.how-flow {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    align-items: stretch;
    gap: 18px;
}

.how-step {
    padding: 28px;
    background: var(--donevia-surface);
    border: 1px solid var(--donevia-border);
    border-radius: 14px;
}

.how-step-number {
    margin-bottom: 38px;
    color: var(--donevia-primary);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.how-step h3 {
    margin-bottom: 12px;
    color: var(--donevia-dark);
    font-size: 1.15rem;
    font-weight: 650;
    letter-spacing: -0.02em;
}

.how-step p {
    margin: 0;
    color: var(--donevia-muted);
    font-size: 0.94rem;
    line-height: 1.6;
}

.how-arrow {
    display: flex;
    align-items: center;
    color: var(--donevia-primary);
    font-size: 1.4rem;
}

@media (max-width: 991.98px) {
    .how-flow {
        grid-template-columns: 1fr;
    }

    .how-arrow {
        justify-content: center;
        transform: rotate(90deg);
    }
}

/* Pricing */

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

.pricing-group {
    margin-top: 58px;
}

.pricing-group:first-of-type {
    margin-top: 0;
}

.pricing-group-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    margin-bottom: 22px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--donevia-border);
}

.pricing-group-heading h3 {
    margin: 0 0 5px;
    color: var(--donevia-dark);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.pricing-group-heading p {
    margin: 0;
    color: var(--donevia-muted);
    font-size: 0.92rem;
}

.pricing-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 30px;
    background: var(--donevia-bg);
    border: 1px solid var(--donevia-border);
    border-radius: 16px;
    transition:
        transform 0.18s ease,
        border-color 0.18s ease,
        box-shadow 0.18s ease;
}

.pricing-card:hover {
    transform: translateY(-3px);
    border-color: rgba(37, 99, 235, 0.3);
    box-shadow: 0 16px 35px rgba(16, 24, 40, 0.07);
}

.pricing-plan-name {
    margin-bottom: 20px;
    color: var(--donevia-muted);
    font-size: 0.95rem;
    font-weight: 650;
}

.pricing-price {
    min-height: 64px;
    margin-bottom: 28px;
    color: var(--donevia-dark);
}

.pricing-price span {
    font-size: 2.6rem;
    font-weight: 750;
    line-height: 1;
    letter-spacing: -0.045em;
}

.pricing-price small {
    margin-left: 5px;
    color: var(--donevia-muted);
    font-size: 0.9rem;
}

.pricing-limits {
    display: grid;
    gap: 18px;
    margin-bottom: 30px;
    padding: 24px 0;
    border-top: 1px solid var(--donevia-border);
}

.pricing-limits div {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.pricing-limits strong {
    color: var(--donevia-dark);
    font-size: 1.1rem;
    font-weight: 700;
}

.pricing-limits span {
    color: var(--donevia-muted);
    font-size: 0.88rem;
}

.pricing-card .btn {
    margin-top: auto;
    border-radius: 9px;
    font-weight: 600;
}

@media (max-width: 767.98px) {
    .pricing-group {
        margin-top: 45px;
    }

    .pricing-card {
        padding: 25px;
    }
}

/* Final CTA */

.final-cta {
    padding: 90px 0;
}

.final-cta-inner {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    padding: 56px 64px;
    background:
        radial-gradient(circle at 90% 20%, rgba(37, 99, 235, .12), transparent 32%),
        #f3f6fb;
    border: 1px solid var(--donevia-border);
    border-radius: 24px;
}

.final-cta-content {
    max-width: 720px;
}

.final-cta-content h2 {
    margin: 12px 0 16px;
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    color: var(--donevia-dark);
}

.final-cta-content > p {
    max-width: 620px;
    margin: 0;
    font-size: 18px;
    line-height: 1.7;
    color: var(--donevia-muted);
}

.final-cta-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 24px;
    margin-top: 28px;
    font-size: 14px;
    color: var(--donevia-text);
}

.final-cta-meta span::before {
    content: "✓";
    margin-right: 7px;
    color: var(--donevia-primary);
    font-weight: 700;
}

.final-cta-action {
    flex: 0 0 auto;
    min-width: 220px;
    text-align: center;
}

.final-cta-action .btn {
    width: 100%;
    padding-left: 28px;
    padding-right: 28px;
}

.final-cta-action small {
    display: block;
    margin-top: 12px;
    color: var(--donevia-muted);
}

@media (max-width: 991.98px) {
    .final-cta {
        padding: 64px 0;
    }

    .final-cta-inner {
        align-items: flex-start;
        flex-direction: column;
        padding: 40px;
    }

    .final-cta-action {
        width: 100%;
    }
}

@media (max-width: 575.98px) {
    .final-cta-inner {
        padding: 32px 24px;
        border-radius: 18px;
    }

    .final-cta-meta {
        flex-direction: column;
        gap: 8px;
    }
}

/* Registration */

.register-section {
    min-height: calc(100vh - 140px);
    padding: 80px 0 100px;
    background:
        radial-gradient(circle at 15% 20%, rgba(37, 99, 235, .08), transparent 28%),
        var(--donevia-bg);
}

.register-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 480px;
    gap: 90px;
    align-items: start;
    max-width: 1120px;
    margin: 0 auto;
}

.register-content {
    padding-top: 32px;
}

.register-content h1 {
    max-width: 600px;
    margin: 14px 0 18px;
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.05;
    letter-spacing: -0.045em;
    color: var(--donevia-dark);
}

.register-content > p {
    max-width: 580px;
    margin: 0 0 36px;
    font-size: 18px;
    line-height: 1.7;
    color: var(--donevia-muted);
}

.register-plan {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    max-width: 580px;
    padding: 24px 0;
    border-top: 1px solid var(--donevia-border);
    border-bottom: 1px solid var(--donevia-border);
}

.register-plan-label {
    display: block;
    margin-bottom: 5px;
    font-size: 13px;
    color: var(--donevia-muted);
}

.register-plan strong {
    font-size: 22px;
    color: var(--donevia-dark);
}

.register-plan-price {
    font-size: 28px;
    font-weight: 700;
    color: var(--donevia-dark);
    white-space: nowrap;
}

.register-plan-price small {
    font-size: 13px;
    font-weight: 400;
    color: var(--donevia-muted);
}

.register-plan-limits {
    display: flex;
    flex-direction: column;
    gap: 9px;
    margin-top: 22px;
    font-size: 14px;
    color: var(--donevia-text);
}

.register-plan-limits span::before {
    content: "✓";
    margin-right: 8px;
    font-weight: 700;
    color: var(--donevia-primary);
}

.register-form-wrap {
    padding: 36px;
    background: var(--donevia-surface);
    border: 1px solid var(--donevia-border);
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(16, 24, 40, .07);
}

.register-form h2 {
    margin: 0 0 28px;
    font-size: 26px;
    font-weight: 700;
    color: var(--donevia-dark);
}

.register-form .form-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--donevia-text);
}

.register-form .form-control {
    min-height: 48px;
    border-color: var(--donevia-border);
    border-radius: 9px;
}

.register-form .form-control:focus {
    border-color: var(--donevia-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .1);
}

.register-login {
    margin-top: 22px;
    text-align: center;
    font-size: 14px;
    color: var(--donevia-muted);
}

@media (max-width: 991.98px) {
    .register-section {
        padding: 50px 0 70px;
    }

    .register-grid {
        grid-template-columns: 1fr;
        gap: 45px;
        max-width: 680px;
    }

    .register-content {
        padding-top: 0;
    }
}

@media (max-width: 575.98px) {
    .register-section {
        padding: 35px 0 50px;
    }

    .register-form-wrap {
        padding: 26px 20px;
        border-radius: 16px;
    }

    .register-plan {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }
}

.site-language-toggle {
    min-width: 70px;
    border-color: #d7dde7;
    color: #172033;
    background: #fff;
}

.site-language-toggle:hover,
.site-language-toggle:focus,
.site-language-toggle.show {
    color: #172033;
    background: #f8fafc;
    border-color: #cbd3df;
}

.site-language-menu {
    min-width: 180px;
    padding: 8px;
    border: 1px solid #e5e9f0;
    border-radius: 10px;
}

.site-language-item {
    display: flex;
    align-items: center;
    justify-content: space-between;

    padding: 8px 10px;
    border-radius: 7px;
}

.site-language-item.active {
    background: #eaf8ef;
    color: #168447;
}

.site-language-item.active:hover,
.site-language-item.active:focus {
    background: #eaf8ef;
    color: #168447;
}

.site-language-check {
    margin-left: 18px;
    font-weight: 700;
}

.site-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 1000;

    width: 46px;
    height: 46px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 1px solid #d7dde7;
    border-radius: 50%;

    background: #fff;
    color: #172033;

    font-size: 22px;
    line-height: 1;

    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.12);

    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);

    transition:
        opacity 0.2s ease,
        visibility 0.2s ease,
        transform 0.2s ease,
        background 0.2s ease;
}

.site-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.site-to-top:hover {
    background: #f8fafc;
}

@media (max-width: 767.98px) {
    .site-to-top {
        right: 16px;
        bottom: 16px;

        width: 42px;
        height: 42px;
    }
}

.legal-section {
    padding: 72px 0 96px;
}

.legal-container {
    max-width: 1050px;
    margin: 0 auto;
}

.legal-header {
    margin-bottom: 28px;
    padding-bottom: 42px;
    border-bottom: 1px solid #e5e9f0;
}

.legal-header h1 {
    margin-top: 12px;
    margin-bottom: 12px;
}

.legal-version {
    color: #6b7280;
    font-size: 14px;
}

.legal-content {
    color: #374151;
    font-size: 16px;
    line-height: 1.75;
}

.legal-block {
    margin-bottom: 32px;
}

.legal-block:last-child {
    margin-bottom: 0;
}

.legal-block h2 {
    margin-bottom: 18px;
    color: #172033;
    font-size: 24px;
    line-height: 1.3;
}

.legal-block p {
    margin-bottom: 14px;
}

.legal-block p:last-child {
    margin-bottom: 0;
}

.legal-content a {
    text-decoration: underline;
    text-underline-offset: 3px;
}

@media (max-width: 767.98px) {
    .legal-section {
        padding: 48px 0 64px;
    }

    .legal-header {
        margin-bottom: 32px;
    }

    .legal-block {
        margin-bottom: 32px;
    }

    .legal-block h2 {
        font-size: 21px;
    }
}