/* ===================================
   Chalupa Jakubín – Stylesheet v2
   =================================== */

/* --- Reset & Base --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #2d5016;
    --color-primary-light: #4a7c28;
    --color-primary-dark: #1a3009;
    --color-accent: #c8963e;
    --color-accent-light: #ddb668;
    --color-bg: #faf9f6;
    --color-bg-alt: #f0ede6;
    --color-dark: #1a1a1a;
    --color-dark-soft: #242424;
    --color-text: #2c2c2c;
    --color-text-light: #5a5a5a;
    --color-white: #ffffff;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', system-ui, sans-serif;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.14);
    --radius: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--color-accent);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Section Tags --- */
.section__tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.section__tag--light {
    color: var(--color-accent-light);
}

.section__title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    color: var(--color-primary-dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.section__title--light {
    color: var(--color-white);
}

.section__subtitle {
    font-size: 1.02rem;
    color: var(--color-text-light);
    max-width: 560px;
    margin: 0 auto;
}

.section__header--center {
    text-align: center;
    margin-bottom: 48px;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    letter-spacing: 0.02em;
}

.btn--lg {
    padding: 16px 40px;
    font-size: 0.95rem;
}

.btn--primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.btn--primary:hover {
    background-color: var(--color-accent-light);
    border-color: var(--color-accent-light);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(200, 150, 62, 0.35);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn--outline:hover {
    background-color: var(--color-white);
    color: var(--color-primary-dark);
    border-color: var(--color-white);
    transform: translateY(-2px);
}

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition);
}

.nav--scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
    padding: 12px 0;
}

.nav__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-white);
    transition: color var(--transition);
}

.nav--scrolled .nav__logo {
    color: var(--color-primary-dark);
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav__link {
    padding: 8px 16px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.85rem;
    font-weight: 400;
    border-radius: 50px;
    transition: all var(--transition);
    letter-spacing: 0.01em;
}

.nav__link:hover {
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.12);
}

.nav--scrolled .nav__link {
    color: var(--color-text-light);
}

.nav--scrolled .nav__link:hover {
    color: var(--color-primary);
    background-color: rgba(45, 80, 22, 0.06);
}

.nav__link--cta {
    background-color: var(--color-accent);
    color: var(--color-white) !important;
    font-weight: 500;
    margin-left: 8px;
}

.nav__link--cta:hover {
    background-color: var(--color-accent-light) !important;
    color: var(--color-white) !important;
    transform: translateY(-1px);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav__toggle span {
    width: 22px;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--transition);
    border-radius: 2px;
}

.nav--scrolled .nav__toggle span {
    background-color: var(--color-text);
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-white);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: -20px;
    background: center/cover no-repeat;
    will-change: transform;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        160deg,
        rgba(26, 48, 9, 0.7) 0%,
        rgba(26, 48, 9, 0.35) 40%,
        rgba(26, 48, 9, 0.5) 100%
    );
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 750px;
    padding: 0 24px;
}

.hero__tag {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent-light);
    margin-bottom: 20px;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero__subtitle {
    font-size: clamp(1rem, 1.8vw, 1.1rem);
    font-weight: 300;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.hero__buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.hero__scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.5));
    animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
    0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* --- Sections --- */
.section {
    padding: 120px 0;
}

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

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

/* --- About --- */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about__image {
    position: relative;
}

.about__image-frame {
    position: relative;
    z-index: 1;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about__image-frame img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
}

.about__image-accent {
    position: absolute;
    top: -16px;
    left: -16px;
    right: 16px;
    bottom: 16px;
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-xl);
    opacity: 0.3;
}

.about__text p {
    margin-bottom: 16px;
    color: var(--color-text-light);
    font-size: 1.02rem;
}

.about__highlights {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.about__highlight {
    text-align: center;
}

.about__highlight-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 4px;
}

.about__highlight-label {
    font-size: 0.8rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* --- Gallery --- */
.gallery__filters {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 36px;
}

.gallery__filter {
    padding: 8px 24px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    color: rgba(255, 255, 255, 0.6);
    font-family: var(--font-body);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition);
}

.gallery__filter:hover {
    border-color: rgba(255, 255, 255, 0.4);
    color: rgba(255, 255, 255, 0.9);
}

.gallery__filter--active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.gallery__item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition);
}

/* Make some items span 2 columns for visual interest */
.gallery__item:nth-child(1),
.gallery__item:nth-child(6),
.gallery__item:nth-child(11) {
    grid-column: span 2;
}

.gallery__item img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery__item:nth-child(1) img,
.gallery__item:nth-child(6) img,
.gallery__item:nth-child(11) img {
    aspect-ratio: 16/9;
}

.gallery__item-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding: 16px;
    opacity: 0;
    transition: opacity var(--transition);
}

.gallery__item:hover .gallery__item-overlay {
    opacity: 1;
}

.gallery__item:hover img {
    transform: scale(1.06);
}

.gallery__item-caption {
    color: var(--color-white);
    font-size: 0.85rem;
    font-weight: 500;
}

.gallery__item-zoom {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
}

.gallery__item--hidden {
    display: none;
}

/* --- Lightbox --- */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.95);
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.lightbox--active {
    display: flex;
}

.lightbox__img {
    max-width: 90vw;
    max-height: 80vh;
    border-radius: var(--radius);
    object-fit: contain;
    animation: lightboxIn 0.3s ease;
}

@keyframes lightboxIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.lightbox__caption {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 16px;
    font-size: 0.95rem;
}

.lightbox__counter {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
    margin-top: 8px;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
    position: absolute;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity var(--transition);
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
    opacity: 1;
}

.lightbox__close {
    top: 20px;
    right: 24px;
    font-size: 2.5rem;
    padding: 8px;
}

.lightbox__prev,
.lightbox__next {
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    padding: 20px;
}

.lightbox__prev {
    left: 16px;
}

.lightbox__next {
    right: 16px;
}

/* --- Image Band --- */
.image-band {
    position: relative;
    height: 50vh;
    min-height: 300px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-band__bg {
    position: absolute;
    inset: -40px;
    background: center/cover no-repeat;
    background-attachment: fixed;
}

.image-band__overlay {
    position: absolute;
    inset: 0;
    background: rgba(26, 48, 9, 0.45);
}

.image-band__text {
    position: relative;
    z-index: 1;
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    text-align: center;
    padding: 0 24px;
}

/* --- Pool --- */
.pool__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.pool__text p {
    color: var(--color-text-light);
    margin-bottom: 24px;
    font-size: 1.02rem;
}

.pool__features {
    list-style: none;
    padding: 0;
}

.pool__features li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 14px;
    color: var(--color-text-light);
}

.pool__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

.pool__image {
    position: relative;
}

.pool__image-frame {
    position: relative;
    z-index: 1;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.pool__image-frame img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
}

.pool__image-accent {
    position: absolute;
    top: 16px;
    right: -16px;
    left: 16px;
    bottom: -16px;
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-xl);
    opacity: 0.3;
}

/* --- Amenities --- */
.amenities__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.amenity {
    background: var(--color-white);
    padding: 40px 28px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.amenity::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transition: transform var(--transition);
}

.amenity:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.amenity:hover::before {
    transform: scaleX(1);
}

.amenity__icon {
    width: 44px;
    height: 44px;
    margin: 0 auto 20px;
    color: var(--color-primary);
}

.amenity__icon svg {
    width: 100%;
    height: 100%;
}

.amenity__title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--color-primary-dark);
}

.amenity__desc {
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.65;
}

/* --- Trips --- */
.trips__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.trip {
    background: var(--color-white);
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-radius: var(--radius-lg);
    padding: 28px 28px 24px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.trip::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-accent);
    transform: scaleY(0);
    transition: transform var(--transition);
}

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

.trip:hover::before {
    transform: scaleY(1);
}

.trip__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.trip__title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-primary-dark);
}

.trip__distance {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--color-accent);
    background: rgba(200, 150, 62, 0.1);
    padding: 3px 10px;
    border-radius: 50px;
    white-space: nowrap;
}

.trip__desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.65;
}

/* --- Form --- */
.form__wrapper {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 60px;
    align-items: start;
}

.form__info p {
    color: var(--color-text-light);
    margin-bottom: 32px;
    font-size: 1.02rem;
}

.form__contact {
    display: flex;
    flex-direction: column;
    gap: 16px;
    font-style: normal;
}

.form__contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-text-light);
}

.form__contact-item svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.form__contact-item a {
    color: var(--color-text);
    font-weight: 500;
}

.form {
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form__group {
    display: flex;
    flex-direction: column;
    margin-bottom: 16px;
}

.form__row .form__group {
    margin-bottom: 0;
}

.form__label {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form__input {
    padding: 11px 16px;
    border: 1px solid #ddd;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 0.92rem;
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form__input:focus {
    outline: none;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(45, 80, 22, 0.1);
    background: var(--color-white);
}

.form__textarea {
    resize: vertical;
    min-height: 100px;
}

.btn--submit {
    width: 100%;
    padding: 14px;
    font-size: 0.95rem;
    margin-top: 4px;
}

.form__status {
    text-align: center;
    margin-top: 16px;
    font-size: 0.9rem;
    min-height: 24px;
}

.form__status--success {
    color: var(--color-primary);
}

.form__status--error {
    color: #c0392b;
}

/* --- Footer --- */
.footer {
    background-color: var(--color-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 0;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
}

.footer__title {
    font-family: var(--font-heading);
    color: var(--color-white);
    font-size: 1.05rem;
    margin-bottom: 16px;
}

.footer__address {
    font-style: normal;
}

.footer a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition);
}

.footer a:hover {
    color: var(--color-accent-light);
}

.footer__links li {
    margin-bottom: 8px;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
    text-align: center;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.35);
}

.footer__credit {
    margin-top: 6px;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.25);
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Staggered gallery animation */
.gallery__item.fade-in {
    transition-delay: calc(var(--i, 0) * 60ms);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .gallery__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .gallery__item:nth-child(1),
    .gallery__item:nth-child(6),
    .gallery__item:nth-child(11) {
        grid-column: span 1;
    }

    .gallery__item:nth-child(1) img,
    .gallery__item:nth-child(6) img,
    .gallery__item:nth-child(11) img {
        aspect-ratio: 4/3;
    }
}

@media (max-width: 900px) {
    .about__grid,
    .pool__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about__image-accent,
    .pool__image-accent {
        display: none;
    }

    .about__image-frame img,
    .pool__image-frame img {
        aspect-ratio: 16/10;
    }

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

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

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

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .form__wrapper {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .section {
        padding: 80px 0;
    }

    .image-band__bg {
        background-attachment: scroll;
    }
}

@media (max-width: 640px) {
    .nav__toggle {
        display: flex;
    }

    .nav__menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-white);
        padding: 16px 24px;
        box-shadow: var(--shadow-md);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: all var(--transition);
    }

    .nav__menu--open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav__menu .nav__link {
        color: var(--color-text);
        padding: 12px 16px;
        display: block;
    }

    .nav__menu .nav__link--cta {
        text-align: center;
    }

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

    .gallery__grid {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }

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

    .form {
        padding: 24px;
    }

    .hero__buttons {
        flex-direction: column;
        align-items: center;
    }

    .section {
        padding: 64px 0;
    }

    .about__highlights {
        gap: 24px;
    }

    .gallery__filters {
        gap: 6px;
    }

    .gallery__filter {
        padding: 6px 16px;
        font-size: 0.8rem;
    }
}