/**
 * About page — sticky nav, section cards, compare & pillars
 * Extends home-page tokens from home-index.css (aligned with faq-page.css)
 */
.about-page {
    --about-border: rgba(15, 23, 42, 0.08);
    --about-surface: #f8fafc;
    --about-text: #0f172a;
    --about-muted: rgba(15, 23, 42, 0.62);
    --about-radius: 14px;
    --about-transition: 200ms ease;
}

@media (max-width: 767.98px) {
    .about-page.about-page--section {
        padding-top: calc(2rem + env(safe-area-inset-top, 0px)) !important;
    }
}

/* Hero */
.about-page__hero {
    position: relative;
    background: linear-gradient(165deg, var(--about-surface) 0%, #fff 55%, rgba(255, 6, 143, 0.04) 100%);
    border: 1px solid var(--about-border);
    border-radius: var(--about-radius);
    padding: 1.35rem 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.about-page__hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -8%;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 6, 143, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

@media (min-width: 768px) {
    .about-page__hero {
        padding: 1.75rem 2rem 2rem;
    }
}

.about-page__hero-head {
    position: relative;
    max-width: 40rem;
    margin: 0 auto 1.25rem;
    text-align: center;
}

.about-page__stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
    list-style: none;
    margin: 0 0 1.15rem;
    padding: 0;
    position: relative;
}

@media (min-width: 576px) {
    .about-page__stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

.about-page__stat {
    background: #fff;
    border: 1px solid var(--about-border);
    border-radius: 10px;
    padding: 0.65rem 0.75rem;
    text-align: center;
}

.about-page__stat-value {
    display: block;
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--about-text);
    line-height: 1.2;
}

.about-page__stat-label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--about-muted);
    margin-top: 0.15rem;
}

.about-page__hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    justify-content: center;
    position: relative;
}

.about-page__hero-actions .btn {
    min-height: 44px;
    font-weight: 600;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}

.about-page__hero-actions .btn:focus-visible {
    box-shadow: 0 0 0 3px rgba(255, 6, 143, 0.25);
}

/* Layout */
.about-page__layout {
    align-items: flex-start;
}

.about-page__sidebar {
    margin-bottom: 1.25rem;
}

@media (min-width: 992px) {
    .about-page__sidebar {
        position: sticky;
        top: calc(5.5rem + env(safe-area-inset-top, 0px));
        margin-bottom: 0;
    }
}

.about-page__sidebar-card {
    background: #fff;
    border: 1px solid var(--about-border);
    border-radius: var(--about-radius);
    padding: 1rem 1rem 0.85rem;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.about-page__nav-title {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--about-muted);
    margin: 0 0 0.55rem;
}

.about-page__nav {
    list-style: none;
    margin: 0 0 1rem;
    padding: 0;
}

.about-page__nav li + li {
    margin-top: 0.15rem;
}

.about-page__nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.55rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--about-muted);
    text-decoration: none;
    border-radius: 8px;
    transition: background var(--about-transition), color var(--about-transition);
    min-height: 44px;
}

.about-page__nav-link i {
    font-size: 1.05rem;
    color: var(--primary, #ff068f);
    flex-shrink: 0;
}

.about-page__nav-link:hover {
    background: var(--about-surface);
    color: var(--about-text);
    text-decoration: none;
}

.about-page__nav-link:focus-visible {
    outline: 2px solid var(--primary, #ff068f);
    outline-offset: 2px;
}

/* Sidebar contact */
.about-page__sidebar-contact {
    border-top: 1px solid var(--about-border);
    padding-top: 0.85rem;
}

.about-page__sidebar-contact-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--about-text);
    margin: 0 0 0.55rem;
}

.about-page__contact-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.about-page__contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.8125rem;
    line-height: 1.5;
    color: var(--about-muted);
    margin-bottom: 0.55rem;
}

.about-page__contact-list li:last-child {
    margin-bottom: 0;
}

.about-page__contact-list i {
    color: var(--primary, #ff068f);
    font-size: 1rem;
    margin-top: 0.1rem;
    flex-shrink: 0;
}

.about-page__contact-list a {
    color: var(--primary, #ff068f);
    font-weight: 500;
    text-decoration: none;
}

.about-page__contact-list a:hover {
    text-decoration: underline;
}

.about-page__contact-list a:focus-visible {
    outline: 2px solid var(--primary, #ff068f);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Main sections */
.about-page__main {
    scroll-margin-top: calc(5.5rem + env(safe-area-inset-top, 0px));
}

.about-page__section {
    margin-bottom: 1.25rem;
    padding-bottom: 0.25rem;
    scroll-margin-top: calc(5.5rem + env(safe-area-inset-top, 0px));
}

.about-page__section--surface {
    background: var(--about-surface);
    border: 1px solid var(--about-border);
    border-radius: var(--about-radius);
    padding: 1.25rem 1.15rem 1.35rem;
}

@media (min-width: 768px) {
    .about-page__section--surface {
        padding: 1.5rem 1.5rem 1.6rem;
    }
}

.about-page__section-head {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.85rem;
}

.about-page__section-head--center {
    flex-direction: column;
    text-align: center;
    margin-bottom: 1rem;
}

.about-page__section-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 10px;
    background: rgba(15, 23, 42, 0.06);
    color: var(--about-muted);
    font-size: 1.15rem;
    flex-shrink: 0;
}

.about-page__section-head--center .about-page__section-icon {
    margin-bottom: 0.15rem;
}

.about-page__section-icon--accent {
    background: linear-gradient(135deg, rgba(255, 6, 143, 0.14), rgba(99, 102, 241, 0.1));
    color: var(--primary, #ff068f);
}

.about-page__section-title {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--about-text);
    margin: 0;
    line-height: 1.35;
}

.about-page__text {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--about-muted);
    margin-bottom: 0.75rem;
    max-width: 52rem;
}

.about-page__text--emphasis {
    color: var(--about-text);
    padding-top: 0.65rem;
    margin-top: 0.25rem;
    border-top: 1px solid var(--about-border);
}

/* Callout */
.about-page__callout {
    margin-top: 0.5rem;
    border-radius: 12px;
    padding: 1rem 1.1rem;
    background: #fff7ed;
    border: 1px solid rgba(234, 88, 12, 0.2);
}

.about-page__callout-label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: #c2410c;
    margin: 0 0 0.35rem;
}

.about-page__callout-text {
    font-size: 0.9rem;
    line-height: 1.55;
    color: rgba(15, 23, 42, 0.78);
}

/* Compare */
.about-page__compare-card {
    height: 100%;
    border-radius: var(--about-radius);
    padding: 1.15rem 1.1rem 1.1rem;
    border: 1px solid var(--about-border);
}

.about-page__compare-card--legacy {
    background: #fff;
}

.about-page__compare-card--platform {
    background: linear-gradient(165deg, #fff 0%, rgba(255, 6, 143, 0.04) 100%);
    border-color: rgba(255, 6, 143, 0.18);
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
}

.about-page__compare-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--about-text);
    margin: 0 0 0.75rem;
    line-height: 1.35;
}

.about-page__compare-card--legacy .about-page__compare-title i {
    color: #64748b;
    font-size: 1.2rem;
}

.about-page__compare-card--platform .about-page__compare-title i {
    color: var(--primary, #ff068f);
    font-size: 1.2rem;
}

.about-page__compare-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.about-page__compare-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--about-muted);
    margin-bottom: 0.5rem;
}

.about-page__compare-list li:last-child {
    margin-bottom: 0;
}

.about-page__compare-list--positive li {
    color: rgba(15, 23, 42, 0.78);
}

.about-page__compare-list .la-times-circle {
    color: #f97316;
    font-size: 1.05rem;
    margin-top: 0.1rem;
    flex-shrink: 0;
}

.about-page__compare-list--positive .la-check {
    color: #16a34a;
    font-size: 1rem;
    margin-top: 0.15rem;
    flex-shrink: 0;
}

/* Pillars */
.about-page__pillars {
    display: grid;
    gap: 0.65rem;
}

@media (min-width: 576px) {
    .about-page__pillars {
        grid-template-columns: repeat(2, 1fr);
    }
}

.about-page__pillar {
    background: #fff;
    border: 1px solid var(--about-border);
    border-radius: 12px;
    padding: 1rem 0.95rem;
    transition: border-color var(--about-transition), box-shadow var(--about-transition);
}

.about-page__pillar:hover {
    border-color: rgba(255, 6, 143, 0.2);
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.05);
}

.about-page__pillar-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 9px;
    background: linear-gradient(135deg, rgba(255, 6, 143, 0.12), rgba(99, 102, 241, 0.08));
    color: var(--primary, #ff068f);
    font-size: 1.05rem;
    margin-bottom: 0.45rem;
}

.about-page__pillar-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--about-text);
    margin: 0 0 0.3rem;
}

.about-page__pillar-text {
    font-size: 0.8125rem;
    line-height: 1.55;
    color: var(--about-muted);
}

/* Registration steps */
.about-page__steps {
    margin: 0 0 1.1rem;
    padding-left: 1.2rem;
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--about-muted);
}

.about-page__steps li + li {
    margin-top: 0.35rem;
}

.about-page__section-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.about-page__section-actions .btn {
    min-height: 44px;
    font-weight: 600;
}

.about-page__section-actions .btn:focus-visible {
    box-shadow: 0 0 0 3px rgba(255, 6, 143, 0.25);
}

/* Final CTA */
.about-page__cta {
    text-align: center;
    margin-top: 0.5rem;
    padding: 1.5rem 1.25rem;
    background: linear-gradient(135deg, rgba(255, 6, 143, 0.07) 0%, rgba(99, 102, 241, 0.06) 100%);
    border: 1px solid rgba(255, 6, 143, 0.16);
    border-radius: var(--about-radius);
}

.about-page__cta-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--about-text);
    margin: 0 0 0.4rem;
}

.about-page__cta-lead {
    font-size: 0.9rem;
    color: var(--about-muted);
    margin: 0 auto 1rem;
    max-width: 30rem;
    line-height: 1.6;
}

.about-page__cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    justify-content: center;
}

.about-page__cta-actions .btn {
    min-height: 44px;
    padding-left: 1.35rem;
    padding-right: 1.35rem;
    font-weight: 600;
}

@media (prefers-reduced-motion: reduce) {
    .about-page__pillar,
    .about-page__nav-link {
        transition: none;
    }
}

/* Legacy geo-about partial (if reused elsewhere) */
.geo-about {
    --geo-about-border: rgba(15, 23, 42, 0.08);
    --geo-about-surface: #f8fafc;
    --geo-about-text: #0f172a;
    --geo-about-muted: rgba(15, 23, 42, 0.62);
}

.geo-about__card {
    background: linear-gradient(165deg, var(--geo-about-surface) 0%, #fff 60%, rgba(255, 6, 143, 0.03) 100%);
    border: 1px solid var(--geo-about-border);
    border-radius: 14px;
    padding: 1.35rem 1.25rem 1.5rem;
}

.geo-about__facts {
    display: grid;
    gap: 0.65rem;
    margin: 0 0 1.25rem;
    padding: 0;
}

@media (min-width: 576px) {
    .geo-about__facts {
        grid-template-columns: repeat(2, 1fr);
    }
}

.geo-about__fact {
    background: #fff;
    border: 1px solid var(--geo-about-border);
    border-radius: 10px;
    padding: 0.75rem 0.85rem;
    margin: 0;
}

.geo-about__fact dt {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--geo-about-muted);
    margin: 0 0 0.2rem;
}

.geo-about__fact dd {
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--geo-about-text);
    margin: 0;
}

.geo-about__actions .btn {
    min-height: 44px;
    font-weight: 600;
}