/* Organisms - Complex UI sections */

/* ==========================================================================
   Header
   ========================================================================== */

.header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-neutral-200);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.header__nav {
    display: none;
    align-items: center;
    gap: var(--space-2);
}

.header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.header__menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    color: var(--color-neutral-700);
}

.header__menu-btn:hover {
    background: var(--color-neutral-100);
}

.header__actions .btn {
    display: none;
}

@media (min-width: 940px) {
    .header__nav {
        display: flex;
    }

    .header__menu-btn {
        display: none;
    }

    .header__actions .btn {
        display: inline-flex;
    }
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    z-index: var(--z-modal);
    padding: var(--space-6);
    transform: translateX(100%);
    transition: transform var(--transition-base);
}

.mobile-nav.is-open {
    transform: translateX(0);
}

.mobile-nav__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.mobile-nav__link {
    display: block;
    padding: var(--space-4);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-neutral-700);
    border-radius: var(--radius-lg);
}

.mobile-nav__link:hover {
    background: var(--color-neutral-100);
}

.mobile-nav__cta {
    margin-top: var(--space-6);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    padding: var(--space-12) 0 var(--space-4);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        var(--color-snow) 0%,
        var(--color-white) 100%
    );
    z-index: -1;
}

.hero__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-4);
    max-width: 680px;
    margin: 0 auto;
}

.hero__badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    background: var(--color-white);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--color-neutral-600);
    text-decoration: none;
}

.hero__badge svg {
    width: 14px;
    height: 14px;
}

.hero__title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-neutral-900);
    letter-spacing: var(--letter-spacing-tight);
    line-height: var(--line-height-tight);
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-neutral-600);
    line-height: var(--line-height-relaxed);
    max-width: 650px;
}

.hero__cta {
    margin-top: var(--space-4);
}

.hero__lang-notice[hidden] {
    display: none;
}

.hero__lang-notice {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary-600);
    border: 1px solid var(--color-primary-600);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-white);
}

.hero__lang-notice .link {
    color: var(--color-white);
    text-decoration: underline;
}

.hero__lang-notice svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .hero {
        padding: var(--space-16) 0 0;
    }

    .hero__badge {
        gap: var(--space-2);
        padding: var(--space-2) var(--space-4);
        font-size: var(--font-size-sm);
    }

    .hero__badge svg {
        width: 16px;
        height: 16px;
    }

    .hero__title {
        font-size: var(--font-size-5xl);
    }

    .hero__subtitle {
        font-size: var(--font-size-xl);
    }
}

@media (min-width: 1024px) {
    .hero__title {
        font-size: var(--font-size-6xl);
    }
}

/* ==========================================================================
   Section Base
   ========================================================================== */

.section {
    padding: var(--space-16) 0;
}

.section--gray {
    background: var(--color-neutral-50);
}

.section--snow {
    background: var(--color-snow);
}

@media (min-width: 768px) {
    .section {
        padding: var(--space-24) 0;
    }
}

/* ==========================================================================
   Problem Section
   ========================================================================== */

.problem {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.problem__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-neutral-900);
    letter-spacing: var(--letter-spacing-tight);
}

.problem__description {
    font-size: var(--font-size-lg);
    color: var(--color-neutral-600);
    line-height: var(--line-height-relaxed);
}

@media (min-width: 768px) {
    .problem__title {
        font-size: var(--font-size-4xl);
    }
}

/* ==========================================================================
   Features Grid
   ========================================================================== */

.features-grid {
    display: grid;
    gap: var(--space-6);
    margin-top: var(--space-12);
}

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

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==========================================================================
   Integration Section
   ========================================================================== */

.integration-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.integration-option {
    display: grid;
    gap: var(--space-8);
    padding: var(--space-8);
    background: var(--color-white);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-xl);
}

.integration-option__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.integration-option__title {
    font-family: var(--font-family-base);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-neutral-900);
}

.integration-option__description {
    font-size: var(--font-size-base);
    color: var(--color-neutral-600);
    line-height: var(--line-height-relaxed);
}

.integration-option__features {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.integration-option__code {
    min-width: 0;
}

@media (min-width: 768px) {
    .integration-option {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
}

@media (min-width: 1024px) {
    .integration-options {
        gap: var(--space-6);
    }
}

/* Mobile App Callout (inside integration section) */
.integration-mobile-callout {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-4);
    padding: var(--space-6);
    margin-top: var(--space-6);
    background: var(--color-primary-50);
    border: 1px dashed var(--color-primary-400);
    border-radius: var(--radius-xl);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
}

.integration-mobile-callout:hover {
    background: var(--color-primary-100);
    border-color: var(--color-primary-500);
    transform: translateY(-1px);
}

.integration-mobile-callout__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--color-primary-gradient);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    flex-shrink: 0;
}

.integration-mobile-callout__text {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    flex: 1;
}

.integration-mobile-callout__title {
    font-family: var(--font-family-base);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-neutral-900);
}

.integration-mobile-callout__description {
    font-size: var(--font-size-base);
    color: var(--color-neutral-600);
    line-height: var(--line-height-relaxed);
}

.integration-mobile-callout__link {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary-500);
    white-space: nowrap;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .integration-mobile-callout {
        flex-direction: row;
        text-align: left;
        gap: var(--space-6);
        padding: var(--space-6) var(--space-8);
    }
}

/* ==========================================================================
   Benefits Section
   ========================================================================== */

.benefits {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.benefits__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-neutral-900);
    letter-spacing: var(--letter-spacing-tight);
    margin-bottom: var(--space-12);
}

.benefits__grid {
    display: grid;
    gap: var(--space-8);
}

.benefits__column {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.benefits__heading {
    font-family: var(--font-family-base);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-neutral-900);
}

.benefits__text {
    font-size: var(--font-size-lg);
    color: var(--color-neutral-600);
    line-height: var(--line-height-relaxed);
}

@media (min-width: 768px) {
    .benefits__title {
        font-size: var(--font-size-4xl);
    }

    .benefits__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-12);
    }
}

/* ==========================================================================
   Pricing Section
   ========================================================================== */

.pricing-cards {
    display: grid;
    gap: var(--space-8);
    margin-top: var(--space-12);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .pricing-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pricing-card {
    display: flex;
    flex-direction: column;
    padding: var(--space-8);
    background: var(--color-white);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
}

.pricing-card:hover {
    border-color: var(--color-primary-400);
    box-shadow: var(--shadow-lg);
}

.pricing-card--featured {
    border-color: var(--color-primary-500);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.pricing-card--featured::before {
    content: "Most Popular";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: var(--space-1) var(--space-4);
    background: var(--color-primary-gradient);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

.pricing-card__icon {
    color: var(--color-neutral-900);
    margin-bottom: var(--space-4);
}

.pricing-card__icon svg {
    width: 36px;
    height: 36px;
}

.pricing-card__name {
    font-family: var(--font-family-base);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-neutral-900);
    margin-bottom: var(--space-2);
}

.pricing-card__price {
    display: flex;
    align-items: baseline;
    gap: var(--space-1);
}

.pricing-card__amount {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-neutral-900);
}

.pricing-card__period {
    font-size: var(--font-size-base);
    color: var(--color-neutral-500);
}

.pricing-card__description {
    font-size: var(--font-size-base);
    color: var(--color-neutral-600);
    margin-top: var(--space-4);
}

.pricing-card__features {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-6) 0;
    border-top: 1px solid var(--color-neutral-200);
    margin-top: var(--space-6);
    flex-grow: 1;
}

.pricing-card__cta {
    margin-top: auto;
}

.pricing-card__cta .btn {
    width: 100%;
}

/* ==========================================================================
   Social Proof
   ========================================================================== */

.social-proof {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
    align-items: center;
}

.social-proof__testimonials {
    display: grid;
    gap: var(--space-6);
    max-width: 600px;
    width: 100%;
}

/* ==========================================================================
   Final CTA Section
   ========================================================================== */

.final-cta {
    padding: var(--space-16) 0;
    background: var(--color-primary-gradient);
    color: var(--color-white);
}

.final-cta__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-6);
}

.final-cta__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
}

.final-cta__description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    max-width: 500px;
}

.final-cta__actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
    margin-top: var(--space-4);
}

.final-cta__btn {
    background: var(--color-white);
    color: var(--color-primary-500);
}

.final-cta__btn:hover {
    background: var(--color-neutral-100);
    box-shadow: var(--shadow-lg);
}

.final-cta__secondary {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
}

.final-cta__secondary a {
    color: var(--color-white);
    text-decoration: underline;
}

@media (min-width: 640px) {
    .final-cta__actions {
        flex-direction: row;
    }
}

@media (min-width: 768px) {
    .final-cta {
        padding: var(--space-24) 0;
    }

    .final-cta__title {
        font-size: var(--font-size-4xl);
    }
}

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

.footer {
    padding: var(--space-12) 0;
    background: var(--color-neutral-900);
    color: var(--color-neutral-400);
}

.footer__inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.footer__top {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.footer__brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__logo {
    color: var(--color-white);
}

.footer__social {
    display: flex;
    gap: var(--space-4);
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.footer__social-link:hover {
    opacity: 1;
}

.footer__social-link img {
    width: 20px;
    height: 20px;
}

.footer__links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-6);
}

.footer__link {
    font-size: var(--font-size-sm);
    color: var(--color-neutral-400);
    transition: color var(--transition-fast);
}

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

.footer__bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-neutral-800);
    display: flex;
    flex-direction: column-reverse;
    gap: var(--space-4);
}

.footer__climate {
    display: block;
    width: 80%;
    height: 58px;
    max-width: 370px;
}

.footer__climate iframe {
    border: 0;
    pointer-events: none;
    width: 100%;
    height: 100%;
}

@media (min-width: 512px) {
    .footer__climate {
        height: 38px;
    }
}

.footer__copyright {
    font-size: var(--font-size-sm);
    color: var(--color-neutral-500);
}

@media (min-width: 768px) {
    .footer__top {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
    }

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