/* Shared premium system for Alfa Chess inner pages. */
.inner-premium {
    --ip-ink: #10243f;
    --ip-blue: #2457c5;
    --ip-green: #168f63;
    --ip-amber: #f59e0b;
    --ip-paper: #ffffff;
    --ip-soft: #f5f8fc;
    --ip-line: #d2dce8;
    --ip-muted: #5c6f87;
    --ip-grid: rgba(36, 87, 197, 0.075);
    margin: 0;
    color: var(--ip-ink) !important;
    background-color: var(--ip-paper) !important;
    background-image:
        linear-gradient(var(--ip-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--ip-grid) 1px, transparent 1px) !important;
    background-size: 48px 48px !important;
    font-family: Manrope, Arial, sans-serif;
    overflow-x: clip;
}

.inner-premium .container {
    width: min(100% - 48px, 1200px) !important;
    max-width: 1200px !important;
    margin-inline: auto !important;
    padding: 0 !important;
}

/* Header and footer use the same geometry as the home page. */
.inner-premium .header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 253, 248, 0.94) !important;
    border: 0 !important;
    border-bottom: 1px solid rgba(20, 33, 61, 0.1) !important;
    border-radius: 0 !important;
    box-shadow: 0 8px 28px rgba(20, 33, 61, 0.06) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.inner-premium .nav {
    width: 100%;
    height: 72px !important;
    display: flex !important;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.inner-premium .header .container,
.inner-premium .footer .container {
    width: min(calc(100% - 96px), 1344px) !important;
    max-width: none !important;
    padding-inline: 32px !important;
}

.inner-premium .logo {
    gap: 16px !important;
    color: var(--ip-ink) !important;
    text-decoration: none;
}

.inner-premium .logo .logo-icon {
    width: 42px !important;
    height: 42px !important;
}

.inner-premium .logo-text {
    color: var(--ip-ink) !important;
    font-size: 24px !important;
    font-weight: 800 !important;
    line-height: 1.6 !important;
    letter-spacing: 0 !important;
}

.inner-premium .nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.inner-premium .nav-links a {
    position: relative;
    color: #1d2939 !important;
    font-size: 0.94rem !important;
    font-weight: 850 !important;
    line-height: 1.6 !important;
    white-space: nowrap;
}

.inner-premium .nav-links a::after {
    bottom: -9px !important;
    height: 3px !important;
    background: var(--ip-amber) !important;
}

.inner-premium .nav-links a:hover,
.inner-premium .nav-links a.active {
    color: var(--ip-blue) !important;
}

.inner-premium .header-actions {
    display: flex !important;
    justify-content: flex-end;
}

.inner-premium .header-cta.btn-primary,
.inner-premium .btn-primary,
.inner-premium .btn-secondary,
.inner-premium button {
    min-height: 52px;
    border-radius: 4px !important;
    font-size: 16px !important;
    font-weight: 800 !important;
    letter-spacing: 0 !important;
}

.inner-premium .header-cta.btn-primary {
    min-height: 42px !important;
    height: 42px !important;
    padding: 0 16px !important;
    font-size: 14.4px !important;
    font-weight: 900 !important;
    background: var(--ip-amber) !important;
    color: var(--ip-ink) !important;
    border: 1px solid var(--ip-amber) !important;
    box-shadow: 0 10px 24px rgba(245, 158, 11, 0.2) !important;
}

.inner-premium .btn-primary {
    background: var(--ip-amber) !important;
    color: var(--ip-ink) !important;
    border: 1px solid var(--ip-amber) !important;
}

.inner-premium .btn-secondary {
    background: var(--ip-paper) !important;
    color: var(--ip-ink) !important;
    border: 1px solid var(--ip-line) !important;
}

.inner-premium .btn-primary:hover,
.inner-premium .btn-secondary:hover,
.inner-premium .header-cta:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 14px 26px rgba(16, 36, 63, 0.14) !important;
}

.inner-premium main {
    min-height: 55vh;
}

.inner-premium .pricing-hero,
.inner-premium .contacts-hero,
.inner-premium .refer-main,
.inner-premium .policy-main {
    padding: 72px 0 96px !important;
}

.inner-premium .policy-hero {
    max-width: none;
    margin: 0 !important;
    padding: 72px 0 42px !important;
}

.inner-premium .policy-section {
    padding: 0 0 96px !important;
}

.inner-premium .pricing-hero::before,
.inner-premium .contacts-hero::before,
.inner-premium .refer-main::before,
.inner-premium .policy-main::before {
    display: none !important;
}

.inner-premium .pricing-hero .section-title,
.inner-premium .contacts-hero .section-title,
.inner-premium .refer-main > .container > .section-title,
.inner-premium .policy-hero {
    position: relative;
    max-width: 900px;
    margin: 0 0 64px !important;
    padding: 0 0 30px !important;
    border: 0 !important;
    border-bottom: 1px solid var(--ip-line) !important;
    border-radius: 0 !important;
    background: transparent !important;
}

.inner-premium .pricing-hero .section-title::after,
.inner-premium .contacts-hero .section-title::after,
.inner-premium .refer-main > .container > .section-title::after,
.inner-premium .policy-hero::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 96px;
    height: 4px;
    background: var(--ip-amber);
}

.inner-premium h1,
.inner-premium .section-title h1 {
    max-width: 850px;
    margin: 0 !important;
    color: var(--ip-ink) !important;
    font-size: clamp(42px, 5vw, 72px) !important;
    font-weight: 900 !important;
    line-height: 0.98 !important;
    text-wrap: balance;
}

.inner-premium .section-subtitle {
    margin: 24px 0 0 !important;
    color: var(--ip-blue) !important;
    font-size: clamp(22px, 2.2vw, 30px) !important;
    font-weight: 850 !important;
}

.inner-premium .section-title p,
.inner-premium .contacts-hero p,
.inner-premium .policy-hero p {
    max-width: 760px;
    margin: 22px 0 0 !important;
    color: var(--ip-muted) !important;
    font-size: 18px !important;
    line-height: 1.65 !important;
}

.inner-premium .glass-card {
    border: 1px solid var(--ip-line) !important;
    border-radius: 4px !important;
    background: rgba(255, 255, 255, 0.96) !important;
    box-shadow: 10px 10px 0 rgba(36, 87, 197, 0.07) !important;
    backdrop-filter: none !important;
}

/* Pricing: a comparison board rather than a row of floating cards. */
.page-pricing .pricing-duration-panel {
    display: grid !important;
    grid-template-columns: minmax(220px, 1fr) 2fr;
    align-items: center;
    gap: 28px;
    margin-bottom: 32px;
    padding: 24px 28px !important;
    border-left: 5px solid var(--ip-green) !important;
    box-shadow: none !important;
}

.page-pricing .pricing-duration-label {
    color: var(--ip-ink) !important;
    font-size: 18px !important;
    font-weight: 850 !important;
}

.page-pricing .pricing-duration-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.page-pricing .duration-tab {
    min-height: 50px;
    box-shadow: none !important;
}

.page-pricing .duration-tab--active {
    color: #fff !important;
    background: var(--ip-blue) !important;
    border-color: var(--ip-blue) !important;
}

.page-pricing .pricing-grid {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 !important;
    border-top: 1px solid var(--ip-line);
    border-left: 1px solid var(--ip-line);
}

.page-pricing .pricing-card {
    min-height: 520px;
    padding: 34px !important;
    border-width: 0 1px 1px 0 !important;
    box-shadow: none !important;
}

.page-pricing .pricing-card.featured {
    position: relative;
    z-index: 1;
    background: var(--ip-ink) !important;
    color: #fff !important;
    transform: translateY(-12px);
    border: 0 !important;
    box-shadow: 0 20px 40px rgba(16, 36, 63, 0.2) !important;
}

.page-pricing .pricing-card.featured .pricing-title,
.page-pricing .pricing-card.featured .pricing-price,
.page-pricing .pricing-card.featured .pricing-desc,
.page-pricing .pricing-card.featured .pricing-features li {
    color: #fff !important;
}

.page-pricing .pricing-title {
    font-size: 25px !important;
    line-height: 1.2 !important;
}

.page-pricing .pricing-price {
    color: var(--ip-blue) !important;
    font-size: clamp(34px, 3vw, 48px) !important;
    line-height: 1 !important;
}

.page-pricing .pricing-desc,
.page-pricing .pricing-features li {
    color: var(--ip-muted) !important;
    font-size: 16px !important;
    line-height: 1.55 !important;
}

.page-pricing #trial {
    margin-top: 56px !important;
    padding: 36px !important;
    border-left: 5px solid var(--ip-amber) !important;
    box-shadow: none !important;
}

/* Referral: two clear rails with numbered actions. */
.page-refer .refer-grid {
    display: grid !important;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 28px !important;
    align-items: start;
}

.page-refer .refer-grid > .glass-card {
    padding: 38px !important;
    box-shadow: none !important;
}

.page-refer .refer-grid > .glass-card:first-child {
    border-top: 5px solid var(--ip-blue) !important;
}

.page-refer .refer-grid > .glass-card:last-child {
    border-top: 5px solid var(--ip-green) !important;
    transform: translateY(44px);
}

.page-refer .refer-grid h3 {
    margin: 0 0 26px !important;
    color: var(--ip-ink) !important;
    font-size: 28px !important;
    line-height: 1.15 !important;
}

.page-refer .benefit-item {
    display: grid !important;
    grid-template-columns: 48px 1fr;
    gap: 18px !important;
    padding: 24px 0 !important;
    border-bottom: 1px solid var(--ip-line) !important;
}

.page-refer .benefit-item:last-child {
    border-bottom: 0 !important;
}

.page-refer .benefit-icon {
    width: 42px !important;
    height: 42px !important;
    border-radius: 50% !important;
    color: #fff !important;
    background: var(--ip-blue) !important;
    font-size: 15px !important;
    font-weight: 850 !important;
}

.page-refer .benefit-text strong {
    color: var(--ip-ink) !important;
    font-size: 17px !important;
    line-height: 1.45 !important;
}

.page-refer .benefit-text span,
.page-refer .refer-note {
    color: var(--ip-muted) !important;
    font-size: 16px !important;
    line-height: 1.6 !important;
}

/* Contacts: direct channels and the real form share one aligned surface. */
.page-contacts .contacts-inner,
.page-contacts .contacts-grid {
    width: 100%;
}

.page-contacts .contacts-grid {
    display: block !important;
    padding: 0 0 96px !important;
    border: 0;
    background: transparent;
}

.page-contacts .contacts-inner {
    display: grid !important;
    grid-template-columns: 0.75fr 1.25fr;
    gap: 0 !important;
    align-items: stretch;
    border: 1px solid var(--ip-line);
    background: var(--ip-paper);
}

.page-contacts .contacts-grid > .glass-card,
.page-contacts .contacts-inner > .glass-card {
    min-width: 0;
    padding: 40px !important;
    border: 0 !important;
    border-right: 1px solid var(--ip-line) !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

.page-contacts .contacts-grid > .glass-card:last-child,
.page-contacts .contacts-inner > .glass-card:last-child {
    border-right: 0 !important;
}

.page-contacts .contacts-list li {
    padding: 20px 0 !important;
    border-bottom: 1px solid var(--ip-line) !important;
    color: var(--ip-muted) !important;
    font-size: 17px !important;
    line-height: 1.5 !important;
}

.page-contacts .contacts-list a {
    color: var(--ip-blue) !important;
    font-weight: 800 !important;
}

.page-contacts input,
.page-contacts textarea,
.inner-premium .modal input {
    min-height: 54px;
    border: 1px solid #b9c7d8 !important;
    border-radius: 3px !important;
    background: #fff !important;
    color: var(--ip-ink) !important;
    font-size: 16px !important;
}

.page-contacts textarea {
    min-height: 150px;
}

.page-contacts input::placeholder,
.page-contacts textarea::placeholder,
.inner-premium .modal input::placeholder {
    color: #71839a !important;
    opacity: 1 !important;
}

/* Policy: a document, not a sales page. */
.page-policy .policy-hero-grid {
    display: block !important;
}

.page-policy .policy-hero {
    max-width: none;
    margin: 0 !important;
    padding: 72px 0 42px !important;
    border: 0 !important;
    background: transparent !important;
}

.page-policy .policy-hero .container {
    position: relative;
    padding-bottom: 30px !important;
    border-bottom: 1px solid var(--ip-line);
}

.page-policy .policy-hero .container::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 96px;
    height: 4px;
    background: var(--ip-amber);
}

.page-policy .policy-hero::after {
    display: none !important;
}

.page-policy .policy-hero h1 {
    max-width: 1050px;
    font-size: clamp(42px, 4.4vw, 64px) !important;
    overflow-wrap: normal;
    word-break: normal;
}

.page-policy .hero-badge {
    display: none !important;
}

.page-policy .policy-layout {
    display: grid !important;
    grid-template-columns: 250px minmax(0, 780px);
    gap: 64px !important;
    align-items: start;
}

.page-policy .policy-toc {
    position: sticky;
    top: 118px;
    padding: 24px 0 !important;
    border: 0 !important;
    border-top: 4px solid var(--ip-amber) !important;
    border-bottom: 1px solid var(--ip-line) !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
}

.page-policy .policy-toc h2 {
    color: var(--ip-ink) !important;
    font-size: 28px !important;
}

.page-policy .policy-toc a {
    display: block;
    padding: 9px 0;
    color: var(--ip-blue) !important;
    font-size: 15px !important;
    font-weight: 750 !important;
    line-height: 1.4 !important;
}

.page-policy .policy-document {
    max-width: 780px !important;
    padding: 0 !important;
    border: 0 !important;
    border-radius: 0 !important;
    background: rgba(255, 255, 255, 0.92) !important;
    box-shadow: none !important;
}

.page-policy .policy-document h2 {
    margin: 52px 0 18px !important;
    padding-top: 18px;
    border-top: 1px solid var(--ip-line);
    color: var(--ip-ink) !important;
    font-size: clamp(24px, 2.4vw, 34px) !important;
    line-height: 1.2 !important;
}

.page-policy .policy-document h2:first-child {
    margin-top: 0 !important;
}

.page-policy .policy-document p,
.page-policy .policy-document li,
.page-policy .policy-document .policy-point {
    color: #344b66 !important;
    font-size: 17px !important;
    line-height: 1.75 !important;
}

.page-policy .policy-document a {
    color: var(--ip-blue) !important;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.inner-premium .footer {
    margin-top: 0 !important;
    padding: 56px 0 20px !important;
    color: #151829 !important;
    background: #fff !important;
    border: 0 !important;
    border-top: 1px solid rgba(20, 33, 61, 0.1) !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

.inner-premium .footer-grid {
    display: grid !important;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 40px !important;
}

.inner-premium .footer .logo-text,
.inner-premium .footer-col h4,
.inner-premium .footer-col a,
.inner-premium .footer-bottom,
.inner-premium .footer-bottom p {
    color: #151829 !important;
}

.inner-premium .footer-col h4 {
    margin: 0 0 18px !important;
    font-size: 16px !important;
    font-weight: 800 !important;
    text-transform: none;
}

.inner-premium .footer-col li {
    margin: 0 0 10px !important;
}

.inner-premium .footer-col a {
    font-size: 16px !important;
    line-height: 1.5 !important;
    opacity: 0.78;
}

.inner-premium .footer-col a:hover {
    color: var(--ip-blue) !important;
    opacity: 1;
}

.inner-premium .footer-bottom {
    margin-top: 32px !important;
    padding-top: 20px !important;
    border-top: 1px solid rgba(20, 33, 61, 0.1) !important;
    opacity: 1;
}

.inner-premium .modal-content {
    border: 1px solid var(--ip-line) !important;
    border-radius: 4px !important;
    background: #fff !important;
    color: var(--ip-ink) !important;
    box-shadow: 0 28px 70px rgba(16, 36, 63, 0.24) !important;
}

.inner-premium .modal-content h2,
.inner-premium .modal-desc,
.inner-premium .form-privacy {
    color: var(--ip-ink) !important;
}

.inner-premium .form-privacy a {
    color: var(--ip-blue) !important;
}

@media (max-width: 1023px) {
    .inner-premium .nav {
        display: flex !important;
    }

    .inner-premium .nav-links,
    .inner-premium .header-actions {
        display: none !important;
    }

    .inner-premium .hamburger {
        display: flex !important;
        justify-self: end;
    }

    .page-pricing .pricing-grid {
        grid-template-columns: 1fr;
    }

    .page-pricing .pricing-card {
        min-height: 0;
    }

    .page-pricing .pricing-card.featured {
        transform: none;
    }

    .page-refer .refer-grid,
    .page-contacts .contacts-inner,
    .page-contacts .contacts-grid,
    .page-policy .policy-layout {
        grid-template-columns: 1fr !important;
    }

    .page-refer .refer-grid > .glass-card:last-child {
        transform: none;
    }

    .page-policy .policy-toc {
        position: static;
    }
}

@media (max-width: 1199px) {
    .inner-premium .header .container,
    .inner-premium .footer .container {
        width: min(calc(100% - 64px), 1080px) !important;
        padding-inline: 32px !important;
    }
}

@media (max-width: 767px) {
    .inner-premium .container {
        width: min(100% - 32px, 1200px) !important;
    }

    .inner-premium .header .container,
    .inner-premium .footer .container {
        width: calc(100% - 32px) !important;
        padding-inline: 16px !important;
    }

    .inner-premium .nav {
        height: 72px !important;
    }

    .inner-premium .pricing-hero,
    .inner-premium .contacts-hero,
    .inner-premium .refer-main,
    .inner-premium .policy-main {
        padding: 46px 0 68px !important;
    }

    .inner-premium .policy-hero {
        padding: 46px 0 32px !important;
    }

    .page-policy .policy-hero {
        padding: 46px 0 32px !important;
    }

    .inner-premium .policy-section {
        padding-bottom: 68px !important;
    }

    .inner-premium .pricing-hero .section-title,
    .inner-premium .contacts-hero .section-title,
    .inner-premium .refer-main > .container > .section-title,
    .inner-premium .policy-hero {
        margin-bottom: 38px !important;
    }

    .inner-premium h1,
    .inner-premium .section-title h1 {
        font-size: clamp(36px, 12vw, 52px) !important;
        line-height: 1.02 !important;
    }

    .inner-premium .section-title p,
    .inner-premium .contacts-hero p,
    .inner-premium .policy-hero p {
        font-size: 17px !important;
    }

    .page-pricing .pricing-duration-panel {
        grid-template-columns: 1fr;
        padding: 22px !important;
    }

    .page-pricing .pricing-duration-tabs {
        grid-template-columns: 1fr;
    }

    .page-pricing .pricing-card,
    .page-refer .refer-grid > .glass-card,
    .page-contacts .contacts-grid > .glass-card,
    .page-contacts .contacts-inner > .glass-card,
    .page-pricing #trial {
        padding: 26px !important;
    }

    .page-contacts .contacts-grid > .glass-card,
    .page-contacts .contacts-inner > .glass-card {
        border-right: 0 !important;
        border-bottom: 1px solid var(--ip-line) !important;
    }

    .page-policy .policy-layout {
        gap: 34px !important;
    }

    .page-policy .policy-document p,
    .page-policy .policy-document li,
    .page-policy .policy-document .policy-point {
        font-size: 16px !important;
        line-height: 1.7 !important;
    }

    .page-policy .policy-hero h1 {
        font-size: clamp(34px, 10.5vw, 42px) !important;
        overflow-wrap: normal;
        hyphens: manual;
    }

    .page-policy .policy-toc a {
        font-size: 16px !important;
    }

    .inner-premium .footer-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 34px 22px !important;
    }
}

@media (max-width: 480px) {
    .inner-premium .footer-grid {
        grid-template-columns: 1fr !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .inner-premium *,
    .inner-premium *::before,
    .inner-premium *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}