/* ==========================================================================
   Tepelná čerpadla - Landing Page Styles
   Specifické styly pro tepelna-cerpadla.html
   ========================================================================== */

/* Hero Section */
.tc-hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #004080 50%, #0055A4 100%);
    overflow: hidden;
}

.tc-hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/><circle cx="50" cy="50" r="30" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/><circle cx="50" cy="50" r="20" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></svg>');
    background-size: 300px 300px;
    opacity: 0.5;
}

.tc-hero .container {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.tc-hero__badge {
    display: inline-block;
    padding: 8px 20px;
    background-color: var(--accent-color);
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 24px;
}

.tc-hero__title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 24px;
}

.tc-hero__title span {
    color: var(--accent-color);
}

.tc-hero__subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 500px;
}

.tc-hero__cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.tc-hero__image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.tc-hero__image img {
    max-width: 100%;
    max-height: 500px;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

/* Benefits Section */
.tc-benefits {
    padding: 100px 0;
    background-color: var(--white);
}

.tc-benefits__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.tc-benefits__item {
    text-align: center;
    padding: 48px 32px;
    background-color: var(--white);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 51, 102, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tc-benefits__item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 51, 102, 0.12);
}

.tc-benefits__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0055A4 100%);
    border-radius: 50%;
    color: var(--white);
    margin-bottom: 28px;
}

.tc-benefits__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.tc-benefits__text {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* How It Works Section */
.tc-how {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.tc-how__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 60px;
}

.tc-how__step {
    text-align: center;
    padding: 32px 24px;
    position: relative;
}

.tc-how__step::after {
    content: '';
    position: absolute;
    top: 50px;
    right: -16px;
    width: 32px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
}

.tc-how__step:last-child::after {
    display: none;
}

.tc-how__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: 24px;
}

.tc-how__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.tc-how__text {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Usage Section */
.tc-usage {
    padding: 100px 0;
    background-color: var(--white);
}

.tc-usage__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 60px;
}

.tc-usage__card {
    background-color: var(--bg-light);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid #E8ECF0;
}

.tc-usage__title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.tc-usage__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tc-usage__list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    color: #555;
    font-size: 0.95rem;
}

.tc-usage__list li::before {
    content: '•';
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.2rem;
    position: absolute;
    left: 0;
    top: -2px;
}

/* Products Section */
.tc-products {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.tc-products__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 60px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.tc-products__card {
    background-color: var(--white);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 51, 102, 0.1);
    padding: 32px;
    position: relative;
    transition: transform 0.3s ease;
}

.tc-products__card:hover {
    transform: translateY(-4px);
}

.tc-products__badge {
    position: absolute;
    top: 24px;
    right: 24px;
    padding: 6px 16px;
    background-color: var(--primary-color);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tc-products__badge--midea {
    background-color: var(--accent-color);
}

.tc-products__image {
    display: flex;
    justify-content: center;
    padding: 24px 0;
}

.tc-products__image img {
    max-width: 200px;
    max-height: 180px;
    object-fit: contain;
}

.tc-products__title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
    text-align: center;
}

.tc-products__specs {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
    background-color: var(--bg-light);
    border-radius: 8px;
    padding: 16px;
}

.tc-products__specs li {
    padding: 8px 0;
    border-bottom: 1px solid #E8ECF0;
    font-size: 0.9rem;
    color: #444;
}

.tc-products__specs li:last-child {
    border-bottom: none;
}

.tc-products__specs strong {
    color: var(--primary-color);
}

.tc-products__desc {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 24px;
    text-align: center;
}

/* Process Section */
.tc-process {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.tc-process__timeline {
    max-width: 700px;
    margin: 60px auto 0;
}

.tc-process__item {
    display: flex;
    gap: 24px;
    padding: 32px 0;
    border-bottom: 1px solid #E8ECF0;
}

.tc-process__item:last-child {
    border-bottom: none;
}

.tc-process__icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 12px;
}

.tc-process__content {
    flex: 1;
}

.tc-process__title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.tc-process__text {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Subsidy Section */
.tc-subsidy {
    padding: 100px 0;
    background: linear-gradient(135deg, #001f3f 0%, var(--primary-color) 100%);
}

.tc-subsidy__content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.tc-subsidy__title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
}

.tc-subsidy__text {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 32px;
}

.tc-subsidy__list {
    list-style: none;
    padding: 0;
    margin: 0 0 40px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px 32px;
}

.tc-subsidy__list li {
    color: var(--white);
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    padding-left: 28px;
}

.tc-subsidy__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"/></svg>') no-repeat center;
    background-size: contain;
}

.tc-subsidy__steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
    text-align: left;
}

.tc-subsidy__step {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 8px;
    color: var(--white);
}

.tc-subsidy__step h4 {
    margin: 0 0 10px;
    font-size: 1.1rem;
    color: var(--white);
}

.tc-subsidy__step p {
    font-size: 0.9rem;
    margin: 0;
    opacity: 0.9;
}

.btn--warm {
    background-color: #003366;
    color: #fff;
}

.btn--warm:hover {
    background-color: #004080;
    color: #fff;
}

.tc-subsidy .btn--warm {
    background-color: var(--white);
    color: var(--primary-color);
}

.tc-subsidy .btn--warm:hover {
    background-color: var(--bg-light);
}

/* CTA Section */
.tc-cta {
    padding: 100px 0;
    background-color: var(--white);
}

.tc-cta__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.tc-cta__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.tc-cta__text {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 32px;
}

.tc-cta__contact p {
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.tc-cta__contact a {
    color: var(--accent-color);
    font-weight: 500;
}

.tc-cta__contact a:hover {
    color: var(--primary-color);
}

.tc-cta__form {
    background-color: var(--bg-light);
    padding: 40px;
    border-radius: 16px;
}

/* Responsive Overrides specific to TC */
@media (max-width: 1024px) {
    .tc-hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .tc-hero__subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .tc-hero__cta {
        justify-content: center;
    }

    .tc-hero__image {
        order: -1;
    }

    .tc-hero__image img {
        max-height: 300px;
    }

    .tc-benefits__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tc-usage__grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .tc-how__step::after {
        display: none;
    }

    .tc-cta__grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .tc-subsidy__steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .tc-hero {
        min-height: auto;
        padding: 120px 0 60px;
    }

    .tc-hero__title {
        font-size: 2.25rem;
    }

    .tc-hero__subtitle {
        font-size: 1.1rem;
    }

    .tc-benefits__grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .tc-benefits__item {
        padding: 32px 24px;
    }

    .tc-usage__grid {
        grid-template-columns: 1fr;
    }

    .tc-how__grid {
        grid-template-columns: 1fr;
    }

    .tc-products__grid {
        grid-template-columns: 1fr;
    }

    .tc-subsidy__title {
        font-size: 1.75rem;
    }

    .tc-subsidy__list {
        flex-direction: column;
        align-items: center;
    }
    
    .tc-subsidy__steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .tc-hero__title {
        font-size: 1.75rem;
    }

    .tc-hero__cta {
        flex-direction: column;
    }

    .tc-hero__cta .btn {
        width: 100%;
    }

    .tc-cta__form {
        padding: 24px;
    }

    .tc-process__item {
        flex-direction: column;
        text-align: center;
    }

    .tc-process__icon {
        margin: 0 auto;
    }
}
