/* =============================================================================
   QUPITO LANDING PAGE
   Публичная главная страница. Использует токены из /css/filament/tokens.css.
   ============================================================================= */

:root {
    --landing-bg: var(--gradient-page-bg);
    --landing-card: var(--color-surface-card-88);
    --landing-border: var(--color-border-warm);
    --landing-border-muted: var(--color-border-muted);
    --landing-text: var(--color-text-default);
    --landing-muted: var(--color-text-muted);
    --landing-primary: var(--color-brand-primary);
    --landing-primary-dark: var(--color-brand-dark);
    --landing-accent: var(--color-brand-supplier);
    --landing-shadow: var(--shadow-lg);
    --landing-radius: var(--radius-xl);
    --landing-radius-sm: var(--radius-md);
    --landing-font: ui-sans-serif, system-ui, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--landing-font);
    color: var(--landing-text);
    background: var(--landing-bg);
}

a {
    color: inherit;
}

.landing-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--color-white-75);
    border-bottom: 1px solid var(--landing-border-muted);
    backdrop-filter: blur(16px);
}

.landing-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(1160px, calc(100% - 40px));
    margin: 0 auto;
    padding: 18px 0;
}

.landing-brand {
    color: var(--landing-primary-dark);
    font-size: 20px;
    font-weight: 800;
    text-decoration: none;
}

.landing-nav__links {
    display: flex;
    align-items: center;
    gap: 12px;
}

.landing-nav__link,
.landing-nav__login {
    display: inline-flex;
    min-height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: var(--landing-radius-sm);
    color: var(--landing-muted);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition:
        color var(--duration-normal) var(--easing-default),
        background-color var(--duration-normal) var(--easing-default),
        transform var(--duration-normal) var(--easing-default);
}

.landing-nav__link {
    padding: 0 10px;
}

.landing-nav__login {
    padding: 0 16px;
    background: var(--landing-primary);
    color: var(--color-off-white);
}

.landing-nav__register {
    min-height: 40px;
    padding: 0 16px;
    font-size: 14px;
    font-weight: 700;
    border: 1px solid var(--landing-border-muted);
}

.landing-nav__link--active {
    color: var(--landing-primary-dark);
}

.landing-nav__link:hover {
    color: var(--landing-primary-dark);
}

.landing-nav__login:hover,
.landing-nav__register:hover {
    transform: translateY(-1px);
}

.landing-nav__link:focus-visible,
.landing-nav__login:focus-visible,
.landing-nav__register:focus-visible,
.landing-button:focus-visible,
.landing-brand:focus-visible {
    outline: 2px solid var(--landing-primary);
    outline-offset: 3px;
}

main {
    width: min(1160px, calc(100% - 40px));
    margin: 0 auto;
}

.landing-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
    gap: 32px;
    align-items: center;
    padding: 28px 0 36px;
}

.landing-hero__content {
    display: grid;
    gap: 22px;
}

.landing-kicker {
    margin: 0;
    color: var(--landing-primary);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.landing-title {
    max-width: 860px;
    margin: 0;
    font-size: clamp(44px, 5vw, 64px);
    line-height: 0.98;
}

.landing-subtitle {
    max-width: 720px;
    margin: 0;
    color: var(--landing-muted);
    font-size: 21px;
    line-height: 1.55;
}

.landing-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 8px;
}

.landing-button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    border-radius: var(--landing-radius-sm);
    font-weight: 800;
    text-decoration: none;
    transition:
        background-color var(--duration-normal) var(--easing-default),
        color var(--duration-normal) var(--easing-default),
        transform var(--duration-normal) var(--easing-default);
}

.landing-button:hover {
    transform: translateY(-1px);
}

.landing-button--primary {
    background: var(--landing-primary);
    color: var(--color-off-white);
}

.landing-button--secondary {
    border: 1px solid var(--landing-border-muted);
    background: var(--color-white-86);
    color: var(--landing-primary-dark);
}

.landing-summary {
    display: grid;
    gap: 14px;
    padding: 22px;
    border: 1px solid var(--landing-border);
    border-radius: var(--landing-radius);
    background: var(--landing-card);
    box-shadow: var(--landing-shadow);
    backdrop-filter: blur(12px);
}

.landing-summary__item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 5px 14px;
    padding: 16px;
    border: 1px solid var(--landing-border-muted);
    border-radius: var(--landing-radius-sm);
    background: var(--color-white-75);
}

.landing-summary__label {
    grid-row: span 2;
    color: var(--landing-accent);
    font-size: 13px;
    font-weight: 800;
}

.landing-summary__item strong {
    font-size: 18px;
}

.landing-summary__item span:last-child {
    color: var(--landing-muted);
    font-size: 14px;
    line-height: 1.45;
}

.landing-section {
    padding: 18px 0 36px;
}

.landing-section__heading {
    display: grid;
    gap: 12px;
    margin-bottom: 24px;
}

.landing-section__title,
.landing-result h2 {
    margin: 0;
    font-size: clamp(30px, 3vw, 44px);
    line-height: 1.08;
}

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

.landing-feature {
    display: grid;
    gap: 14px;
    align-content: start;
    min-height: 100%;
    padding: 24px;
    border: 1px solid var(--landing-border);
    border-radius: var(--landing-radius-sm);
    background: var(--landing-card);
    box-shadow: var(--landing-shadow);
}

.landing-feature__number {
    display: inline-flex;
    width: 34px;
    height: 34px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-green-50);
    color: var(--landing-accent);
    font-size: 14px;
    font-weight: 900;
}

.landing-feature h3 {
    margin: 0;
    font-size: 21px;
    line-height: 1.2;
}

.landing-feature p {
    margin: 0;
    color: var(--landing-muted);
    font-size: 15px;
    line-height: 1.62;
}

.landing-result {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 28px;
    align-items: center;
    margin: 0 0 72px;
    padding: 32px;
    border: 1px solid var(--landing-border);
    border-radius: var(--landing-radius);
    background: var(--color-white-86);
    box-shadow: var(--landing-shadow);
}

.landing-result > div {
    display: grid;
    gap: 12px;
}

.landing-result p:last-child {
    margin: 0;
    color: var(--landing-muted);
    font-size: 18px;
    line-height: 1.65;
}

.landing-section__more {
    display: inline-flex;
    margin-top: 24px;
    color: var(--landing-primary);
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    border-bottom: 1px solid rgba(200, 108, 26, 0.3);
    transition: border-color var(--duration-normal) var(--easing-default);
}

.landing-section__more:hover {
    border-color: var(--landing-primary);
}

/* --- Inner pages (features, results) --- */

.landing-page-wrap {
    padding-bottom: 72px;
}

.landing-page-hero {
    display: grid;
    gap: 16px;
    padding: 48px 0 36px;
}

.landing-page-hero .landing-title {
    font-size: clamp(36px, 4vw, 56px);
}

/* --- Metrics (results page) --- */

.landing-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-bottom: 56px;
}

.landing-metric {
    display: grid;
    gap: 8px;
    padding: 28px;
    border: 1px solid var(--landing-border);
    border-radius: var(--landing-radius);
    background: var(--landing-card);
    box-shadow: var(--landing-shadow);
    text-align: center;
}

.landing-metric__value {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    line-height: 1;
    color: var(--landing-accent);
    letter-spacing: -0.02em;
}

.landing-metric__label {
    color: var(--landing-muted);
    font-size: 15px;
    line-height: 1.5;
}

/* --- Steps (features page how-it-works) --- */

.landing-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.landing-step {
    display: grid;
    gap: 8px;
    align-content: start;
}

.landing-step strong {
    font-size: 18px;
}

.landing-step p {
    margin: 0;
    color: var(--landing-muted);
    font-size: 15px;
    line-height: 1.6;
}

/* --- CTA strip --- */

.landing-cta-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 40px;
}

/* --- Supplier page accent --- */

.landing-supplier-accent {
    color: var(--landing-accent);
}

.landing-feature--supplier .landing-feature__number {
    background: var(--color-green-50);
    color: var(--landing-accent);
}

.landing-problems {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 12px;
}

.landing-problem {
    display: grid;
    gap: 10px;
    align-content: start;
    padding: 24px;
    border: 1px solid var(--landing-border-muted);
    border-radius: var(--landing-radius-sm);
    background: var(--color-white-86);
}

.landing-problem__icon {
    font-size: 24px;
}

.landing-problem h3 {
    margin: 0;
    font-size: 17px;
    line-height: 1.3;
}

.landing-problem p {
    margin: 0;
    color: var(--landing-muted);
    font-size: 14px;
    line-height: 1.6;
}

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

.landing-how-step {
    display: grid;
    gap: 12px;
    align-content: start;
    padding: 24px;
    border: 1px solid var(--landing-border);
    border-radius: var(--landing-radius-sm);
    background: var(--landing-card);
    box-shadow: var(--landing-shadow);
}

.landing-how-step__num {
    display: inline-flex;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--landing-accent);
    color: #fff;
    font-size: 15px;
    font-weight: 900;
}

.landing-how-step h3 {
    margin: 0;
    font-size: 19px;
    line-height: 1.2;
}

.landing-how-step p {
    margin: 0;
    color: var(--landing-muted);
    font-size: 15px;
    line-height: 1.6;
}

.landing-supplier-cta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    margin-top: 16px;
}

.landing-supplier-cta__login {
    color: var(--landing-muted);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid rgba(110, 118, 134, 0.3);
    transition: color var(--duration-normal) var(--easing-default);
}

.landing-supplier-cta__login:hover {
    color: var(--landing-primary-dark);
}

@media (max-width: 980px) {
    .landing-hero,
    .landing-result {
        grid-template-columns: 1fr;
    }

    .landing-hero {
        min-height: auto;
        padding-top: 44px;
    }

    .landing-features,
    .landing-problems,
    .landing-how-steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .landing-metrics,
    .landing-steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 680px) {
    .landing-nav {
        width: min(100% - 28px, 1160px);
    }

    .landing-nav__links {
        gap: 6px;
    }

    .landing-nav__link,
    .landing-nav__register {
        display: none;
    }

    main {
        width: min(100% - 28px, 1160px);
    }

    .landing-title {
        font-size: 42px;
    }

    .landing-subtitle {
        font-size: 18px;
    }

    .landing-features,
    .landing-problems,
    .landing-how-steps {
        grid-template-columns: 1fr;
    }

    .landing-result,
    .landing-feature,
    .landing-summary {
        padding: 20px;
    }
}

/* =============================================================================
   Footer
   ============================================================================= */

.landing-footer {
    border-top: 1px solid var(--color-neutral-200, #e5e5e5);
    padding: 2.5rem 1.5rem;
    background: var(--color-neutral-50, #fafafa);
}

.landing-footer__inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.landing-footer__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
}

.landing-footer__links a {
    font-size: 0.875rem;
    color: var(--color-neutral-600, #525252);
    text-decoration: none;
    transition: color 0.15s;
}

.landing-footer__links a:hover {
    color: var(--color-amber-600, #d97706);
}

.landing-footer__requisites,
.landing-footer__copy {
    font-size: 0.8rem;
    color: var(--color-neutral-400, #a3a3a3);
    margin: 0;
}

.landing-footer__requisites a {
    color: inherit;
    text-decoration: none;
}

.landing-footer__requisites a:hover {
    color: var(--color-amber-600, #d97706);
}

/* =============================================================================
   Cookie banner
   ============================================================================= */

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-neutral-900, #171717);
    color: #fff;
    padding: 1rem 1.5rem;
}

.cookie-banner__inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.cookie-banner__text {
    flex: 1;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--color-neutral-300, #d4d4d4);
    margin: 0;
}

.cookie-banner__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.cookie-banner__accept {
    background: var(--color-amber-500, #f59e0b);
    color: #000;
    border: none;
    border-radius: 0.375rem;
    padding: 0.45rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}

.cookie-banner__accept:hover {
    background: var(--color-amber-400, #fbbf24);
}

.cookie-banner__details {
    font-size: 0.85rem;
    color: var(--color-neutral-300, #d4d4d4);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.cookie-banner__details:hover {
    color: #fff;
}

@media (max-width: 600px) {
    .cookie-banner__inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .cookie-banner__actions {
        width: 100%;
    }
}