:root {
    --sb-red: #e3262b;
    --sb-red-soft: rgba(227, 38, 43, 0.12);
    --sb-dark: #151515;
    --sb-mid: #555555;
    --sb-muted: #f4f4f6;
    --sb-border: #e0e0e5;
    --sb-white: #ffffff;
    --sb-shadow-soft: 0 16px 40px rgba(0, 0, 0, 0.08);
    --sb-radius-lg: 1.5rem;
    --sb-radius-md: 1rem;
    --sb-radius-pill: 999px;
    --sb-transition-fast: 160ms ease-out;
    --sb-transition-med: 220ms ease-out;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
    color: var(--sb-dark);
    background: radial-gradient(circle at top left, var(--sb-red-soft) 0, transparent 55%), #ffffff;
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
}

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

a:hover,
a:focus {
    text-decoration: underline;
}

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

/* Layout helpers */

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Top bar */

.top-bar {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(224, 224, 229, 0.85);
}

.top-bar-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-mark {
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 0.8rem;
    background: radial-gradient(circle at 30% 0%, #ff8288 0, var(--sb-red) 55%, #9b040b 100%);
    color: var(--sb-white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    box-shadow: 0 8px 24px rgba(227, 38, 43, 0.3);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.brand-subtitle {
    font-size: 0.75rem;
    color: var(--sb-mid);
}

/* Navigation */

.main-nav {
    display: none;
    align-items: center;
    gap: 1.25rem;
    font-size: 0.9rem;
}

.main-nav.is-open {
    display: flex;
    position: absolute;
    inset: 100% 1rem auto;
    padding: 0.75rem 1rem;
    border-radius: 1rem;
    background: #ffffff;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
    flex-direction: column;
    align-items: flex-start;
}

.nav-link {
    padding: 0.3rem 0;
    position: relative;
    text-decoration: none;
    color: var(--sb-mid);
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.15rem;
    width: 0;
    height: 2px;
    background: var(--sb-red);
    border-radius: 999px;
    transition: width var(--sb-transition-fast);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
    width: 100%;
}

.nav-link-pill {
    padding: 0.3rem 0.9rem;
    border-radius: var(--sb-radius-pill);
    border: 1px solid rgba(227, 38, 43, 0.35);
    color: var(--sb-red);
    font-weight: 600;
}

.nav-link-pill::after {
    display: none;
}

.nav-link-pill:hover,
.nav-link-pill:focus-visible {
    background: rgba(227, 38, 43, 0.06);
}

/* Nav toggle */

.nav-toggle {
    border: none;
    background: transparent;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 999px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    cursor: pointer;
}

.nav-toggle span {
    width: 1.25rem;
    height: 2px;
    border-radius: 999px;
    background: var(--sb-dark);
    transition: transform var(--sb-transition-fast), opacity var(--sb-transition-fast), width var(--sb-transition-fast);
}

/* Hero */

.hero {
    max-width: 1120px;
    margin: 0 auto;
    padding: 3.5rem 1.5rem 3.5rem;
    display: grid;
    gap: 2.5rem;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--sb-mid);
}

.section-label::before {
    content: "";
    width: 1.75rem;
    height: 1px;
    background: rgba(0, 0, 0, 0.18);
}

.hero h1 {
    font-size: clamp(2.4rem, 4vw, 3.1rem);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin: 0.8rem 0 0.4rem;
}

.hero-tagline {
    font-size: 1.05rem;
    color: var(--sb-mid);
    margin: 0 0 0.8rem;
}

.hero-body {
    margin: 0;
    color: #333333;
    max-width: 34rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--sb-radius-pill);
    padding: 0.55rem 1.4rem;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: transform var(--sb-transition-fast), box-shadow var(--sb-transition-fast), background var(--sb-transition-fast), color var(--sb-transition-fast), border-color var(--sb-transition-fast);
}

.btn-primary {
    background: linear-gradient(135deg, var(--sb-red), #ff4b55);
    color: var(--sb-white);
    box-shadow: 0 12px 30px rgba(227, 38, 43, 0.45);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 16px 40px rgba(227, 38, 43, 0.55);
}

.btn-ghost {
    background: transparent;
    border: 1px solid rgba(0, 0, 0, 0.16);
    color: var(--sb-dark);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
    background: rgba(0, 0, 0, 0.04);
}

.hero-highlights {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.8rem;
    margin: 0;
}

.hero-highlights dt {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--sb-mid);
}

.hero-highlights dd {
    margin: 0.15rem 0 0;
    font-size: 0.9rem;
    color: #333333;
}

/* Hero card */

.hero-card {
    border-radius: var(--sb-radius-lg);
    background: radial-gradient(circle at 0 0, rgba(255, 255, 255, 0.2) 0, rgba(255, 255, 255, 0) 55%), var(--sb-dark);
    color: #fdfdfd;
    padding: 1.4rem 1.3rem 1.6rem;
    box-shadow: var(--sb-shadow-soft);
    border: 1px solid rgba(255, 255, 255, 0.04);
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.hero-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    font-size: 0.8rem;
}

.hero-pill {
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-status {
    color: #ffccd0;
    font-weight: 500;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.8rem;
}

.metric {
    padding: 0.65rem 0.8rem;
    border-radius: 0.9rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.metric-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: #d3d3d8;
}

.metric-value {
    display: block;
    margin-top: 0.25rem;
    font-weight: 600;
    font-size: 0.95rem;
}

.hero-track {
    margin-top: 0.2rem;
}

.hero-track-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    margin-bottom: 0.35rem;
}

.hero-track-pill {
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    background: rgba(227, 38, 43, 0.16);
    color: #ffecef;
    font-size: 0.75rem;
}

.hero-track-bar {
    position: relative;
    width: 100%;
    height: 0.4rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    overflow: hidden;
    margin-bottom: 0.45rem;
}

.hero-track-fill {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 72%;
    border-radius: inherit;
    background: linear-gradient(90deg, #ff8a90, #ffffff);
}

.hero-track-text {
    margin: 0;
    font-size: 0.8rem;
    color: #dedee4;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 0.75rem;
    color: #f4f4f7;
}

.hero-tags li {
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
}

/* Sections */

.section-header {
    margin-bottom: 1.8rem;
}

.section-header h2 {
    margin: 0.6rem 0 0.4rem;
    font-size: clamp(1.7rem, 2.3vw, 2rem);
}

.section-intro {
    margin: 0;
    color: var(--sb-mid);
    max-width: 38rem;
}

.info {
    padding: 0.5rem 0 3.2rem;
}

.info-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.1rem;
    margin-bottom: 2rem;
}

.info-card {
    background: var(--sb-white);
    border-radius: var(--sb-radius-md);
    padding: 1.1rem 1.1rem 1.2rem;
    border: 1px solid var(--sb-border);
    box-shadow: 0 10px 25px rgba(15, 15, 20, 0.04);
}

.info-card h3 {
    margin: 0 0 0.4rem;
    font-size: 1.05rem;
}

.info-card p {
    margin: 0;
    font-size: 0.92rem;
    color: var(--sb-mid);
}

.info-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.3rem;
}

.info-panel {
    background: var(--sb-muted);
    border-radius: var(--sb-radius-md);
    padding: 1.2rem 1.3rem 1.3rem;
    border: 1px solid rgba(224, 224, 229, 0.8);
}

.info-panel h3 {
    margin: 0 0 0.5rem;
}

.info-panel p {
    margin: 0 0 0.7rem;
    color: #3c3c3c;
    font-size: 0.95rem;
}

.info-panel-accent {
    background: linear-gradient(135deg, rgba(227, 38, 43, 0.02), rgba(227, 38, 43, 0.08));
    border-color: rgba(227, 38, 43, 0.22);
}

.info-list {
    margin: 0;
    padding-left: 1.1rem;
    font-size: 0.9rem;
    color: var(--sb-mid);
}

.info-list li + li {
    margin-top: 0.25rem;
}

.info-note {
    font-size: 0.85rem;
    color: var(--sb-mid);
}

/* Privacy */

.privacy {
    padding: 3rem 0 3.2rem;
    background: radial-gradient(circle at top right, var(--sb-red-soft) 0, transparent 55%), #ffffff;
    border-top: 1px solid rgba(224, 224, 229, 0.7);
    border-bottom: 1px solid rgba(224, 224, 229, 0.7);
}

.privacy-meta {
    margin: 0.6rem 0 0;
    font-size: 0.85rem;
    color: var(--sb-mid);
}

.privacy-article {
    background: var(--sb-white);
    border-radius: var(--sb-radius-md);
    padding: 1.4rem 1.3rem 1.6rem;
    border: 1px solid var(--sb-border);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.05);
    font-size: 0.93rem;
    color: #333333;
}

.privacy-article h3 {
    margin-top: 1.2rem;
    margin-bottom: 0.4rem;
    font-size: 1.05rem;
}

.privacy-article h3:first-of-type {
    margin-top: 0.2rem;
}

.privacy-article p {
    margin: 0 0 0.6rem;
}

.privacy-article ul {
    margin: 0 0 0.6rem;
    padding-left: 1.1rem;
}

.privacy-article li + li {
    margin-top: 0.25rem;
}

.privacy-contact {
    background: var(--sb-muted);
    border-radius: 0.8rem;
    padding: 0.7rem 0.8rem;
    border: 1px dashed rgba(0, 0, 0, 0.1);
    font-size: 0.9rem;
}

/* Contact */

.contact {
    padding: 3rem 0 3.5rem;
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr);
    gap: 1.5rem;
    align-items: flex-start;
}

.support-form {
    background: var(--sb-white);
    border-radius: var(--sb-radius-md);
    padding: 1.3rem 1.3rem 1.4rem;
    border: 1px solid var(--sb-border);
    box-shadow: 0 12px 30px rgba(15, 15, 20, 0.05);
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.8rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.form-field-full {
    grid-column: 1 / -1;
}

.support-form label {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--sb-mid);
}

.support-form input,
.support-form textarea {
    border-radius: 0.8rem;
    border: 1px solid var(--sb-border);
    padding: 0.55rem 0.7rem;
    font-size: 0.92rem;
    font-family: inherit;
    resize: vertical;
    min-height: 2.5rem;
    transition: border-color var(--sb-transition-fast), box-shadow var(--sb-transition-fast), background var(--sb-transition-fast);
}

.support-form textarea {
    min-height: 7rem;
}

.support-form input:focus-visible,
.support-form textarea:focus-visible {
    outline: none;
    border-color: var(--sb-red);
    box-shadow: 0 0 0 1px rgba(227, 38, 43, 0.16);
    background: #fffdfd;
}

.form-actions {
    margin-top: 0.5rem;
}

.form-submit {
    width: 100%;
}

.support-status {
    font-size: 0.86rem;
    margin: 0.35rem 0 0;
    color: var(--sb-mid);
    opacity: 0;
    transform: translateY(4px);
    transition: opacity var(--sb-transition-med), transform var(--sb-transition-med);
}

.support-status.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.support-aside {
    background: var(--sb-muted);
    border-radius: var(--sb-radius-md);
    padding: 1.3rem 1.3rem 1.4rem;
    border: 1px solid rgba(224, 224, 229, 0.9);
}

.support-aside h3 {
    margin: 0 0 0.5rem;
}

/* Footer */

.site-footer {
    border-top: 1px solid rgba(224, 224, 229, 0.8);
    padding: 1.2rem 0 1.4rem;
    background: #ffffff;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    font-size: 0.85rem;
    color: var(--sb-mid);
}

/* Responsive */

@media (min-width: 640px) {
    .hero-highlights {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .support-form {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .form-submit {
        width: auto;
        min-width: 8rem;
    }
}

@media (min-width: 768px) {
    .main-nav {
        display: flex;
    }

    .top-bar-inner {
        padding-inline: 2rem;
    }

    .nav-toggle {
        display: none;
    }

    .hero {
        padding: 4rem 2rem 4rem;
        grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.1fr);
        align-items: center;
    }

    .info {
        padding-inline: 2rem;
    }

    .privacy {
        padding-inline: 2rem;
    }

    .contact {
        padding-inline: 2rem;
    }

    .info-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .info-layout {
        grid-template-columns: 1.2fr 1fr;
    }

    .contact-layout {
        grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.1fr);
    }

    .footer-inner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

@media (min-width: 1024px) {
    .hero {
        padding-top: 4.5rem;
    }
}