@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap");

:root {
    /* Brand Colors */
    --color-primary: #003366;
    --color-primary-light: #004d99;
    --color-primary-dark: #001a33;
    --color-secondary: #cc0000;
    --color-secondary-hover: #e60000;

    /* Neutrals */
    --color-text: #1f2937;
    --color-text-muted: #4b5563;
    --color-bg: #f9fafb;
    --color-bg-surface: #ffffff;
    --color-border: #e5e7eb;

    /* Utility */
    --color-success: #10b981;
    --color-error: #ef4444;

    /* Typography */
    --font-primary: "Inter", sans-serif;

    /* Radii & Shadows */
    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    /* Layout */
    --container-max: 1200px;
    --transition: all 0.3s ease;
}

/* ==========================================================================
   RESET & GLOBAL
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 100%;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img,
svg,
iframe {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul,
ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ==========================================================================
   LAYOUT
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: 1.5rem;
}

.section {
    padding-block: 5rem;
}

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

.section--bg-light {
    background-color: #f8f9fa;
}

.section--bg-primary {
    background-color: var(--color-primary);
    color: #fff;
}

.grid {
    display: grid;
    gap: 2rem;
}

.grid--2 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}

.grid--3 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}

.grid--4 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */
.text-center {
    text-align: center;
}

.text-primary {
    color: var(--color-primary);
}

.text-secondary {
    color: var(--color-secondary);
}

.text-muted {
    color: var(--color-text-muted);
}

.heading-1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: inherit;
}

.heading-2 {
    font-size: clamp(2rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.heading-3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section__title {
    text-align: center;
    margin-bottom: 3rem;
}

.section__title--light {
    color: #fff;
}

.p-lead {
    font-size: 1.125rem;
    font-weight: 400;
    color: inherit;
    opacity: 0.9;
}

/* ==========================================================================
   COMPONENTS
   ========================================================================== */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius);
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
}

.btn--primary {
    background-color: var(--color-secondary);
    color: #fff;
}

.btn--primary:hover {
    background-color: var(--color-secondary-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 20px -8px rgba(0, 0, 0, 0.15);
}

.btn--outline {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn--outline:hover {
    background-color: var(--color-primary);
    color: #fff;
}

.btn--white {
    background-color: #fff;
    color: var(--color-primary);
}

.btn--white:hover {
    background-color: #f1f1f1;
    box-shadow: var(--shadow);
}

.btn--sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn--secondary {
    background-color: var(--color-primary);
    color: #fff;
}

.btn--secondary:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-4px);
    box-shadow: 0 12px 20px -8px rgba(0, 0, 0, 0.15);
}

/* Promo Bar */
.promo-bar {
    background-color: var(--color-secondary);
    color: #ffffff;
    text-align: center;
    padding: 12px 15px;
    font-size: 1rem;
    font-weight: 600;
    position: relative;
    z-index: 9999;
    letter-spacing: 0.5px;
}

.promo-bar a {
    color: #ffffff;
    text-decoration: underline;
    transition: all 0.3s ease;
}

.promo-bar a:hover {
    opacity: 0.8;
}

/* Header & Nav */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-bg-surface);
    box-shadow: var(--shadow-sm);
}

.header__wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    max-width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav__link {
    font-weight: 500;
    color: var(--color-text);
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.nav__link:hover,
.nav__link--active {
    color: var(--color-secondary);
}

.nav__link--active {
    position: relative;
}

.nav__link--active::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-secondary);
    border-radius: 2px;
}

.nav__toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--color-text);
    margin-left: auto;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    background-color: var(--color-primary-dark);
    color: #fff;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
    z-index: 0;
    filter: blur(4px);
    transform: scale(1.05);
    /* hide blurred edges */
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Trust Bar */
.trust-bar {
    background-color: var(--color-primary);
    color: #fff;
    padding: 2rem 0;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    justify-content: center;
}

.trust-item__icon {
    color: var(--color-secondary);
}

.trust-item__text strong {
    display: block;
    font-size: 1.1rem;
}

/* Cards */
.card {
    background-color: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0,0,0,0.03);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.card__image-wrapper {
    height: 200px;
    overflow: hidden;
}

.card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover .card__image {
    transform: scale(1.05);
}

.card__content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card__link svg {
    transition: transform 0.3s ease;
}

.card:hover .card__link svg {
    transform: translateX(5px);
}

.card__title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--color-primary);
}

.card__text {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

/* Partners Grid */
.partners-logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.partner-card {
    background-color: var(--color-bg-surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: var(--transition);
}

.partner-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.partner-logo-placeholder {
    width: 100%;
    height: 80px;
    background-color: #f0f0f0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.partner-logo {
    width: auto;
    max-width: 100%;
    height: 60px;
    object-fit: contain;
    object-position: left center;
    margin-bottom: 1rem;
}

.partner-card h4 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.partner-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    flex-grow: 1;
}

/* Gallery Component */
.gallery {
    display: grid;
    gap: 15px;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
}

.gallery__item {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    background-color: var(--color-bg-surface);
}

.gallery__item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.gallery__image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    transition: transform 0.5s ease;
    cursor: pointer;
}

.gallery__item:hover .gallery__image {
    transform: scale(1.05);
}

/* Promo Banners */
.promo-banners {
    padding-bottom: 2rem;
}

.promo-banners__container {
    width: 100%;
    max-width: 1400px;
    margin-inline: auto;
    padding-inline: 1.5rem;
}

.promo-banners__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr 1fr;
    gap: 1.5rem;
    align-items: center;
}

@media (max-width: 768px) {
    .promo-banners__grid {
        grid-template-columns: 1fr;
    }
}

.promo-banner {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    background-color: transparent;
    display: block;
    width: 100%;
}

.promo-banner:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.promo-banner__image {
    width: 100%;
    height: auto;
    object-fit: contain;
    max-height: 100%;
    display: block;
}

.promo-banners__grid > .promo-banner:nth-child(1),
.promo-banners__grid > .promo-banner:nth-child(3) {
    aspect-ratio: 16/9;
}

.promo-banners__grid > .promo-banner:nth-child(1) .promo-banner__image,
.promo-banners__grid > .promo-banner:nth-child(3) .promo-banner__image {
    width: 100%;
    height: 100%;
    object-fit: fill;
}

/* Cross-Sell Banner */
.cross-sell {
    position: relative;
    color: #fff;
    padding: 4rem 0;
    text-align: center;
    overflow: hidden;
    z-index: 1;
}

.cross-sell::before {
    content: "";
    position: absolute;
    inset: -20px;
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.6)), url('/images/stavebnictvi/moderni-plot-zednicke-prace.webp');
    background-size: cover;
    background-position: center;
    filter: blur(8px);
    z-index: -1;
}

.cross-sell__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
    transition: transform 0.3s ease;
}

.cross-sell:hover .cross-sell__inner {
    transform: translateY(-4px);
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity 0.6s ease-out,
        transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Forms */
.form {
    background-color: var(--color-bg-surface);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.form__group {
    margin-bottom: 1.5rem;
}

.form__label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.form__input,
.form__select,
.form__textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s;
    background-color: var(--color-bg);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__submit {
    width: 100%;
}

.form__message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: var(--radius);
    display: none;
}

.form__message--success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border: 1px solid var(--color-success);
    display: block;
}

.form__message--error {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
    border: 1px solid var(--color-error);
    display: block;
}

.hidden {
    display: none !important;
}

/* Service Detail */
.service-header {
    min-height: 40vh;
    display: flex;
    align-items: center;
    position: relative;
    background-color: var(--color-primary-dark);
    color: #fff;
}

.service-header__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    z-index: 0;
    filter: blur(4px);
    transform: scale(1.05);
}

.service-header__content {
    position: relative;
    z-index: 1;
}

.service-content {
    max-width: 800px;
    margin: 0 auto;
}

.service-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.service-content ul {
    margin-bottom: 2rem;
    padding-left: 1.5rem;
    list-style: disc;
}

.service-content li {
    margin-bottom: 0.5rem;
}

/* Contact Info Section */
.contact-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr 1fr;
}

.contact-card {
    background-color: var(--color-bg-surface);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border-top: 4px solid var(--color-primary);
}

.contact-card__item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-card__icon {
    color: var(--color-secondary);
    flex-shrink: 0;
}

.contact-card__title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--color-primary);
}

.contact-departments {
    margin-top: 2rem;
}

.department-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

/* Map */
.map-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    height: 400px;
    background-color: #eee;
}

/* Footer */
.footer {
    background-color: var(--color-primary-dark);
    color: #fff;
    padding-top: 4rem;
}

.footer__grid {
    display: grid;
    gap: 3rem;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    padding-bottom: 3rem;
}

.footer__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #fff;
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer__link {
    color: rgba(255, 255, 255, 0.7);
}

.footer__link:hover {
    color: #fff;
}

.footer__contact-item {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    color: rgba(255, 255, 255, 0.8);
}

.footer__contact-icon {
    color: var(--color-secondary);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer__bottom {
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

/* Footer Credit */
.footer__credit {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer__credit-link {
    color: #fff;
    transition: var(--transition);
    text-decoration: none;
}

.footer__credit-link:hover {
    color: var(--color-secondary);
    text-decoration: underline;
    text-shadow: 0 0 5px rgba(204, 0, 0, 0.5);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    width: 100% !important;
    box-sizing: border-box;
    background-color: var(--color-bg-surface);
    box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    z-index: 999999 !important;
    transform: translateY(0) translateZ(0);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: block !important;
}

.cookie-banner.hidden {
    transform: translateY(100%) translateZ(0) !important;
    pointer-events: none;
}

.cookie-banner__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    text-align: center;
}

.cookie-banner__text {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.cookie-banner__actions {
    display: flex;
    gap: 1rem;
}

.cookie-banner__link {
    text-decoration: underline;
    color: var(--color-primary);
}

/* Lightbox Dialog */
.lightbox {
    margin: auto;
    padding: 0;
    border: none;
    background: transparent;
    max-width: 90vw;
    max-height: 90vh;
    overflow: visible;
}

.lightbox::backdrop {
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
}

.lightbox[open] {
    animation: fadeIn 0.3s ease-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.lightbox__image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: block;
}

.lightbox__close {
    min-width: 48px;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: -2.5rem;
    right: 0;
    color: #fff;
    font-size: 2.5rem;
    line-height: 1;
    background: none;
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.lightbox__close:hover {
    transform: scale(1.1);
}

/* About Us Zig-Zag */
.about-zigzag {
    padding: 4rem 2rem;
}

.about-zigzag__row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 4rem;
}

.about-zigzag__row:last-child {
    margin-bottom: 0;
}

.about-zigzag__image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    object-fit: cover;
    max-height: 400px;
}

.about-zigzag__image--logo {
    max-width: 200px;
    background: transparent;
    box-shadow: none;
    margin: 0 auto;
    display: block;
}

.about-zigzag__image--poster {
    object-fit: contain;
    max-height: 80vh;
}

/* ==========================================================================
   MEDIA QUERIES
   ========================================================================== */
@media (max-width: 768px) {
    .nav__toggle {
        display: block;
    }

    .nav__list {
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--color-bg-surface);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: var(--shadow-md);
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }

    .nav__list.nav__list--open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .btn--header {
        width: 100%;
    }

    .hero__actions {
        flex-direction: column;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .cookie-banner {
        padding: 1rem;
    }

    .cookie-banner__inner {
        align-items: stretch;
        gap: 1.25rem;
    }

    .cookie-banner__text {
        font-size: 0.9rem;
        text-align: center;
    }

    .cookie-banner__actions {
        flex-direction: column;
        width: 100%;
    }

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

    .footer__bottom {
        flex-direction: column;
        gap: 1rem;
    }

    .footer__credit {
        margin-top: 1rem;
    }
}

@media (min-width: 769px) {
    .about-zigzag__row {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }

    .about-zigzag__row--reverse .about-zigzag__content {
        order: 2;
    }

    .about-zigzag__row--reverse .about-zigzag__media {
        order: 1;
    }
}

@media (min-width: 1024px) {
    .cookie-banner__inner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* Accessibility */
*:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 3px;
}

.promo-bar__close {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.promo-bar__close:hover {
    opacity: 0.8;
}

/* Utilities */
.mb-sm {
    margin-bottom: 1rem;
}
.mb-md {
    margin-bottom: 1.5rem;
}
.mb-lg {
    margin-bottom: 2rem;
}
.btn--white-outline {
    border-color: #fff !important;
    color: #fff !important;
}
.footer__text-muted {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}
.text-weight-medium {
    font-weight: 500;
}
.inline-flex-center {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}