/* ============================================
   LANDING PAGE COMPONENT STYLES
   Buyer registration campaign page
   ============================================ */

/* ---- Base ---- */

.landing-page {
    background: var(--color-bg-secondary);
    font-family: var(--font-family-primary);
    color: var(--color-text-primary);
}

.landing-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.landing-container--narrow {
    max-width: 680px;
}

/* ---- Header ---- */

.landing-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) 0;
    margin-bottom: var(--space-xl);
}

.landing-header__logo-img {
    height: 36px;
    width: auto;
    filter: brightness(0) invert(1);
}

.landing-header__login-link {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    text-decoration: none;
}

.landing-header__login-link:hover {
    color: var(--color-primary);
}

/* ---- Hero section ---- */

.landing-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, #7c3aed 100%);
    padding: 0 0 var(--space-3xl);
    color: var(--color-text-inverted);
}

.landing-hero .landing-header {
    border-bottom: 1px solid rgba(255,255,255,0.15);
    margin-bottom: var(--space-xl);
}

.landing-hero .landing-header__login-link {
    color: rgba(255,255,255,0.8);
}

.landing-hero .landing-header__login-link:hover {
    color: var(--color-white);
}

.landing-hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.landing-hero__headline {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-lg);
    color: var(--color-white);
}

.landing-hero__subheadline {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: rgba(255,255,255,0.9);
    margin-bottom: var(--space-xl);
}

/* ---- Benefits (above fold icons) ---- */

.landing-benefits {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.landing-benefits__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.landing-benefits__icon {
    flex-shrink: 0;
    color: rgba(255,255,255,0.9);
    margin-top: 2px;
}

.landing-benefits__text {
    font-size: var(--font-size-md);
    line-height: var(--line-height-normal);
    color: rgba(255,255,255,0.95);
}

/* ---- Registration form card ---- */

.landing-hero__form-wrap {
    background: var(--color-white);
    border-radius: var(--radius-lg, 12px);
    padding: var(--space-xl);
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    color: var(--color-text-primary);
}

/* ---- Form styles ---- */

.landing-form__section-heading {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: var(--space-lg) 0 var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-border);
}

.landing-form__section-heading:first-child {
    margin-top: 0;
}

.landing-form__row--split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.landing-form__group {
    margin-bottom: var(--space-md);
}

.landing-form__label {
    display: block;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.landing-form__required {
    color: var(--color-danger);
    margin-left: 2px;
}

.landing-form__optional {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    color: var(--color-text-tertiary);
    margin-left: var(--space-xs);
}

.landing-form__input {
    display: block;
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-md, 6px);
    font-size: var(--font-size-base);
    font-family: var(--font-family-primary);
    color: var(--color-text-primary);
    background: var(--color-white);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

.landing-form__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(91,33,182,0.15);
}

.landing-form__input--error {
    border-color: var(--color-danger);
}

.landing-form__select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    padding-right: var(--space-2xl);
}

.landing-form__radio-group {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-xs);
}

.landing-form__radio-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-base);
    cursor: pointer;
}

.landing-form__radio-label input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    flex-shrink: 0;
}

.landing-form__group--checkbox {
    margin-bottom: var(--space-sm);
}

.landing-form__checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: var(--font-size-base);
    cursor: pointer;
    line-height: var(--line-height-normal);
}

.landing-form__checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 3px;
}

.landing-form__group--terms {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.landing-form__hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-top: var(--space-xs);
}

.landing-form__error {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-danger);
    margin-top: var(--space-xs);
}

.landing-form__link {
    color: var(--color-primary);
    text-decoration: underline;
}

.landing-form__submit {
    display: block;
    width: 100%;
    padding: var(--space-md) var(--space-xl);
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md, 6px);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    font-family: var(--font-family-primary);
    cursor: pointer;
    margin-top: var(--space-lg);
    transition: background 0.2s ease, transform 0.1s ease;
    letter-spacing: var(--letter-spacing-wide);
}

.landing-form__submit:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
}

.landing-form__trust {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-top: var(--space-md);
}

.landing-form__alert {
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md, 6px);
    font-size: var(--font-size-sm);
}

.landing-form__alert--error {
    background: var(--color-danger-50);
    border: 1px solid var(--color-danger-200);
    color: var(--color-danger-800);
}

.landing-form__alert--error ul {
    margin: var(--space-xs) 0 0 var(--space-md);
    padding: 0;
}

/* ---- Section shared ---- */

.landing-section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.landing-section-title--light {
    color: var(--color-white);
}

.landing-section-subtitle {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: var(--line-height-relaxed);
}

.landing-section-subtitle--light {
    color: rgba(255,255,255,0.85);
}

/* ---- How it works ---- */

.landing-how {
    background: var(--color-white);
    padding: var(--space-3xl) 0;
}

.landing-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    padding: 0;
    margin: 0;
    list-style: none;
    counter-reset: steps;
}

.landing-steps__item {
    text-align: center;
}

.landing-steps__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-md);
}

.landing-steps__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.landing-steps__text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ---- USP grid ---- */

.landing-usps {
    background: var(--color-bg-secondary);
    padding: var(--space-3xl) 0;
}

.landing-usps__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.landing-usps__item {
    background: var(--color-white);
    border-radius: var(--radius-lg, 12px);
    padding: var(--space-xl);
    text-align: center;
    border: 1px solid var(--color-border);
}

.landing-usps__img {
    width: 140px;
    height: 140px;
    object-fit: contain;
    margin-bottom: var(--space-sm);
}

.landing-usps__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.landing-usps__text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ---- Category grid ---- */

.landing-categories {
    background: var(--color-white);
    padding: var(--space-3xl) 0;
}

.landing-categories__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-md);
}

.landing-categories__item {
    text-align: center;
}

.landing-categories__img-wrap {
    aspect-ratio: 1;
    border-radius: var(--radius-md, 6px);
    overflow: hidden;
    margin-bottom: var(--space-sm);
    background: var(--color-bg-secondary);
}

.landing-categories__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.landing-categories__label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

/* ---- Real lot example ---- */

.landing-lot {
    background: var(--color-bg-secondary);
    padding: var(--space-3xl) 0;
}

.landing-lot__card {
    background: var(--color-white);
    border-radius: var(--radius-lg, 12px);
    border: 1px solid var(--color-border);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
}

.landing-lot__card--no-image {
    grid-template-columns: 1fr;
}

.landing-lot__slideshow {
    position: relative;
    min-height: 240px;
    background: var(--color-bg-secondary);
}

.landing-lot__slideshow .image-slideshow {
    position: absolute;
    inset: 0;
}

.landing-lot__slideshow .image-slideshow__slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.landing-lot__slideshow .image-slideshow__slide--active {
    opacity: 1;
}

.landing-lot__slideshow .image-slideshow__slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.landing-lot__content {
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
}

.landing-lot__badge {
    display: inline-block;
    background: var(--color-bg-secondary);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
    align-self: flex-start;
}

.landing-lot__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.landing-lot__description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    flex: 1;
}

.landing-lot__chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.landing-lot__chip {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md, 6px);
    padding: var(--space-sm) var(--space-md);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.landing-lot__chip--highlight {
    border-color: var(--color-success-300, #6ee7b7);
    background: var(--color-success-50, #f0fdf4);
}

.landing-lot__chip-label {
    font-size: var(--font-size-xs, 11px);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
}

.landing-lot__chip-value {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.landing-lot__chip--highlight .landing-lot__chip-value {
    color: var(--color-success-700);
}

/* ---- Bottom CTA ---- */

.landing-cta-bottom {
    background: linear-gradient(135deg, var(--color-primary) 0%, #7c3aed 100%);
    padding: var(--space-3xl) 0;
    color: var(--color-white);
}

.landing-cta-bottom .landing-hero__form-wrap {
    margin: 0 auto;
}

.landing-cta-bottom__btn {
    display: block;
    width: fit-content;
    margin: 0 auto;
    padding: var(--space-lg) var(--space-3xl);
    background: var(--color-white);
    color: var(--color-primary);
    border-radius: var(--radius-md, 6px);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    text-decoration: none;
    letter-spacing: var(--letter-spacing-wide);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.landing-cta-bottom__btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}

/* ---- Footer ---- */

.landing-footer {
    background: var(--color-gray-900);
    padding: var(--space-xl) 0;
}

.landing-footer .landing-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.landing-footer__logo {
    height: 28px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.7;
}

.landing-footer__nav {
    display: flex;
    gap: var(--space-xl);
}

.landing-footer__link {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    text-decoration: none;
}

.landing-footer__link:hover {
    color: var(--color-white);
}

/* ---- Responsive ---- */

@media (max-width: 1024px) {
    .landing-categories__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 900px) {
    .landing-hero__grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .landing-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .landing-usps__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .landing-categories__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .landing-lot__card {
        grid-template-columns: 1fr;
    }

    .landing-lot__slideshow {
        height: 260px;
    }
}

@media (max-width: 640px) {
    .landing-container {
        padding: 0 var(--space-md);
    }

    .landing-hero__headline {
        font-size: var(--font-size-3xl);
    }

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

    .landing-usps__grid {
        grid-template-columns: 1fr;
    }

    .landing-categories__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .landing-form__row--split {
        grid-template-columns: 1fr;
    }

.landing-footer .landing-container {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .landing-section-title {
        font-size: var(--font-size-2xl);
    }
}