/* ============================================
   ИМПОРТ ШРИФТОВ
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Lato:wght@100;300;400;700;900&display=swap');

/* ============================================
   CSS ПЕРЕМЕННЫЕ (ДИЗАЙН-СИСТЕМА)
   ============================================ */
:root {
    /* Цветовая палитра */
    --color-primary: #D4A017;
    --color-primary-light: #E8B830;
    --color-primary-dark: #B8860B;
    --color-primary-rgb: 212, 160, 23;
    
    --color-bg-dark: #1A1814;
    --color-bg-darker: #141210;
    --color-bg-card: #2D2820;
    --color-bg-section: #23201A;
    --color-bg-overlay: rgba(0, 0, 0, 0.5);
    --color-bg-header-scrolled: rgba(26, 24, 20, 0.95);
    
    --color-text-light: #F5F0E8;
    --color-text-muted: #C4B8A8;
    --color-text-placeholder: #A89880;
    --color-text-dark: #1A1814;
    
    --color-border: #3A3528;
    --color-border-light: rgba(212, 160, 23, 0.2);
    --color-border-primary: rgba(212, 160, 23, 0.5);
    
    --color-success: #2ECC71;
    --color-error: #E74C3C;
    --color-warning: #E67E22;
    --color-info: #5DADE2;
    
    /* Типографика */
    --font-primary: 'Lato', sans-serif;
    --font-heading: 'Roboto', sans-serif;
    
    --text-xs: 12px;
    --text-sm: 14px;
    --text-base: 16px;
    --text-lg: 18px;
    --text-xl: 20px;
    --text-2xl: 24px;
    --text-3xl: 30px;
    --text-4xl: 36px;
    --text-5xl: 48px;
    --text-6xl: 64px;
    --text-7xl: 80px;
    --text-8xl: 96px;
    
    /* Отступы */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 30px;
    --spacing-2xl: 40px;
    --spacing-3xl: 50px;
    --spacing-4xl: 60px;
    --spacing-5xl: 80px;
    --spacing-6xl: 100px;
    --spacing-7xl: 140px;
    --spacing-8xl: 185px;
    
    /* Скругления */
    --radius-sm: 20px;
    --radius-md: 25px;
    --radius-lg: 30px;
    --radius-xl: 40px;
    --radius-full: 50%;
    
    /* Тени */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
    --shadow-primary: 0 5px 20px rgba(var(--color-primary-rgb), 0.15);
    --shadow-primary-hover: 0 15px 40px rgba(var(--color-primary-rgb), 0.2);
    --shadow-primary-lg: 0 20px 40px rgba(var(--color-primary-rgb), 0.2);
    
    /* Система слоев (z-index) */
    --z-base: 1;
    --z-content: 10;
    --z-overlay: 998;
    --z-header: 999;
    --z-modal: 1000;
    --z-burger: 1001;
    --z-toast: 9999;
    
    /* Анимации */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-slower: 0.6s ease;
    
    /* Размеры */
    --header-height: 90px;
    --header-height-scrolled: 70px;
    --container-width: 1200px;
    --container-padding: 30px;
}

/* ============================================
   ГЛОБАЛЬНЫЙ СБРОС И БАЗОВЫЕ СТИЛИ
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-primary);
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    padding-top: var(--header-height);
    transition: padding-top var(--transition-base);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.header-scrolled {
    padding-top: var(--header-height-scrolled);
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    padding: 0;
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

p {
    margin: 0;
    padding: 0;
}

ul, ol {
    list-style: none;
    margin: 0;
    padding: 0;
}

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

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

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

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================
   КОНТЕЙНЕР
   ============================================ */
.container {
    max-width: var(--container-width);
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ============================================
   УНИВЕРСАЛЬНЫЕ КНОПКИ
   ============================================ */
.all_btn {
    display: inline-block;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-xl);
    font-family: var(--font-primary);
    font-size: var(--text-lg);
    font-weight: 700;
    padding: var(--spacing-md) 45px;
    color: var(--color-primary);
    background-color: transparent;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    text-transform: uppercase;
    line-height: 1.2;
}

.all_btn:hover {
    background-color: var(--color-primary);
    color: var(--color-bg-dark);
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

/* ============================================
   БУРГЕР-МЕНЮ
   ============================================ */
.burger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: var(--z-burger);
}

.burger-menu__line {
    width: 30px;
    height: 3px;
    background: var(--color-text-light);
    border-radius: 3px;
    transition: all var(--transition-base);
}

.burger-menu.active .burger-menu__line:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
}

.burger-menu.active .burger-menu__line:nth-child(2) {
    opacity: 0;
}

.burger-menu.active .burger-menu__line:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
}

/* ============================================
   OVERLAY ДЛЯ МОБИЛЬНОГО МЕНЮ
   ============================================ */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-bg-overlay);
    z-index: var(--z-overlay);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   ШАПКА (ФИКСИРОВАННАЯ)
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-bg-dark);
    z-index: var(--z-header);
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
    background-color: var(--color-bg-header-scrolled);
    box-shadow: var(--shadow-primary);
    backdrop-filter: blur(10px);
}

.header__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 0;
    position: relative;
    transition: padding var(--transition-base);
}

.header.scrolled .header__content {
    padding: var(--spacing-md) 0;
}

.header__logo-link img {
    display: block;
    height: 40px;
    width: auto;
    transition: height var(--transition-base);
}

.header.scrolled .header__logo-link img {
    height: 35px;
}

.header__nav {
    transition: right var(--transition-base);
}

.header__ul {
    display: flex;
    gap: var(--spacing-3xl);
}

.header__li_a {
    color: var(--color-text-light);
    font-size: var(--text-base);
    font-weight: 700;
    text-transform: uppercase;
    transition: color var(--transition-fast);
    padding-bottom: var(--spacing-sm);
}

.header__li_a:hover {
    color: var(--color-primary);
}

.header__li_a.active-link {
    color: var(--color-primary) !important;
    text-decoration: underline;
    text-underline-offset: var(--spacing-sm);
    text-decoration-thickness: 4px;
}

/* ============================================
   HERO СЕКЦИЯ
   ============================================ */
.hero {
    background: linear-gradient(rgba(26, 24, 20, 0.6), rgba(26, 24, 20, 0.7)), url('../images/hero.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.hero__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-8xl) 0;
    text-align: center;
}

.hero__text {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.hero__img {
    max-width: 360px;
    width: 100%;
    margin-bottom: 25px;
}

.hero__main-text {
    font-family: var(--font-primary);
    font-size: var(--text-8xl);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: 3px;
    color: var(--color-primary);
    margin-bottom: 45px;
    text-shadow: var(--shadow-sm);
}

.hero__low-text {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 300;
    line-height: 1.4;
    letter-spacing: 2px;
    color: var(--color-text-light);
    margin-bottom: 65px;
}

/* ============================================
   КАРТОЧКИ УСЛУГ (CARDS)
   ============================================ */
.cards {
    background: var(--color-bg-dark);
    position: relative;
    z-index: var(--z-content);
}

.cards__content {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-lg);
    transform: translateY(-60px);
}

.card {
    background-color: var(--color-bg-dark);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border: 5px solid var(--color-primary);
    border-radius: var(--radius-lg);
    flex: 1;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-primary-hover);
}

.card__icon {
    width: 60px;
    height: 60px;
    fill: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.card__main-text {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    align-items: center;
}

.card__text {
    font-family: var(--font-primary);
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    margin-top: auto;
}

/* ============================================
   TRAVEL СЕКЦИЯ
   ============================================ */
.travel {
    background: var(--color-bg-dark);
    padding: var(--spacing-4xl) 0;
}

.travel__content {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-2xl);
    align-items: center;
}

.travel__text {
    flex: 1;
}

.travel__container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.travel__main {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
}

.travel__about {
    font-family: var(--font-primary);
    font-weight: 300;
    color: var(--color-text-muted);
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.5;
}

.travel__btn {
    max-width: 250px;
    width: 100%;
}

.travel__images {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.travel__images img {
    width: 100%;
    max-width: 556px;
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: var(--radius-full);
    border: 5px solid var(--color-primary);
    transition: transform var(--transition-base);
}

.travel__images img:hover {
    transform: scale(1.02);
}

/* ============================================
   TRAVEL DETAILS (РАСКРЫВАЮЩИЙСЯ БЛОК)
   ============================================ */
.travel-details {
    background: var(--color-bg-section);
    padding: var(--spacing-4xl) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.travel-details__content {
    max-width: var(--container-width);
    margin: 0 auto;
}

.travel-details__title {
    font-family: var(--font-heading);
    font-size: 32px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.travel-details__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.travel-details__item {
    background: rgba(var(--color-primary-rgb), 0.05);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xl) 25px;
    text-align: center;
    transition: transform var(--transition-base), background var(--transition-base), border-color var(--transition-base);
    border: 1px solid var(--color-border-light);
}

.travel-details__item:hover {
    transform: translateY(-5px);
    background: rgba(var(--color-primary-rgb), 0.1);
    border-color: var(--color-primary);
}

.travel-details__icon {
    font-size: var(--text-5xl);
    margin-bottom: var(--spacing-lg);
}

.travel-details__item h4 {
    font-family: var(--font-heading);
    font-size: 22px;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.travel-details__item p {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text-muted);
}

/* ============================================
   СЕКЦИЯ ТУРЫ ПО АЛТАЮ
   ============================================ */
.tours-section {
    background: var(--color-bg-section);
    padding: var(--spacing-5xl) 0;
}

.tours-section__content {
    max-width: var(--container-width);
    margin: 0 auto;
}

.tours-section__title {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.tours-section__subtitle {
    font-family: var(--font-primary);
    font-size: var(--text-lg);
    color: var(--color-text-placeholder);
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.tours-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.tour-item {
    background: var(--color-bg-card);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    position: relative;
    display: flex;
    flex-direction: column;
}

.tour-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-primary-hover);
}

.tour-item__badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--color-primary);
    color: var(--color-bg-dark);
    padding: 6px var(--spacing-md);
    border-radius: var(--radius-lg);
    font-family: var(--font-primary);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.tour-item__badge--new {
    background: var(--color-success);
    color: var(--color-bg-dark);
}

.tour-item__badge--discount {
    background: var(--color-error);
    color: var(--color-text-light);
}

.tour-item__badge--season {
    background: var(--color-warning);
    color: var(--color-bg-dark);
}

.tour-item__badge--winter {
    background: var(--color-info);
    color: var(--color-bg-dark);
}

.tour-item__image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
}

.tour-item__image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, rgba(26, 24, 20, 0.5), transparent);
    pointer-events: none;
}

.tour-item__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.tour-item:hover .tour-item__image img {
    transform: scale(1.1);
}

.tour-item__content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.tour-item__duration {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    color: var(--color-text-placeholder);
    margin-bottom: var(--spacing-sm);
}

.tour-item__icon {
    stroke: var(--color-primary);
    stroke-width: 2;
    flex-shrink: 0;
}

.tour-item__title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.tour-item__description {
    font-family: var(--font-primary);
    font-size: var(--text-md);
    line-height: 1.6;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    flex: 1;
}

.tour-item__features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.tour-item__feature {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-primary);
    font-size: 13px;
    color: var(--color-text-placeholder);
}

.tour-item__feature svg {
    stroke: var(--color-primary);
    stroke-width: 2;
    flex-shrink: 0;
}

.tour-item__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tour-item__price {
    display: flex;
    flex-direction: column;
}

.tour-item__price-old {
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    color: #7A6E5E;
    text-decoration: line-through;
}

.tour-item__price-current {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.tour-item__btn {
    display: inline-block;
    padding: var(--spacing-sm) 25px;
    background: var(--color-primary);
    color: var(--color-bg-dark);
    border-radius: var(--radius-lg);
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
    transition: background var(--transition-fast), transform var(--transition-fast);
    border: none;
    cursor: pointer;
}

.tour-item__btn:hover {
    background: var(--color-primary-light);
    transform: scale(1.05);
}

.tours-section__more {
    text-align: center;
}

.tours-section__more-btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-3xl);
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-xl);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 700;
    text-transform: uppercase;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.tours-section__more-btn:hover {
    background: var(--color-primary);
    color: var(--color-bg-dark);
    transform: translateY(-3px);
}

/* ============================================
   PHOTO COLLAGE
   ============================================ */
.photo {
    background: var(--color-bg-dark);
    padding: var(--spacing-5xl) 0;
}

.collage-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    max-height: 600px;
    margin: 0 auto;
}

.circle {
    position: absolute;
    border-radius: var(--radius-full);
    background-size: cover;
    background-position: center;
    box-sizing: border-box;
    transition: transform var(--transition-base);
}

.circle:hover {
    transform: scale(1.02);
}

.circle-1 {
    width: 25%;
    aspect-ratio: 1 / 1;
    top: 5%;
    left: 5%;
    background-image: url('../images/forest1.jpg');
    z-index: 1;
}

.circle-2 {
    width: 55%;
    aspect-ratio: 1 / 1;
    top: 0;
    right: 0;
    border: 6px solid var(--color-primary);
    background-image: url('../images/photo-mount2.jpg');
    z-index: 2;
}

.circle-3 {
    width: 35%;
    aspect-ratio: 1 / 1;
    bottom: 5%;
    left: 20%;
    background-image: url('../images/photo-mount1.jpg');
    border: 10px solid var(--color-primary-light);
    z-index: 3;
}

/* ============================================
   BAG СЕКЦИЯ (ПОХОДЫ)
   ============================================ */
.bag {
    background: var(--color-bg-dark);
    padding: var(--spacing-5xl) 0;
}

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

.bag__main {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.bag__text {
    font-family: var(--font-primary);
    font-size: var(--text-xl);
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.5;
}

/* ============================================
   TRAVEL GROUP СЕКЦИЯ
   ============================================ */
.travel-group {
    padding: var(--spacing-5xl) 0;
    background: var(--color-bg-dark);
}

.travel-group__h4 {
    margin-bottom: var(--spacing-4xl);
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    color: var(--color-text-light);
}

.travel-group__container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-2xl);
}

.travel-group__instruments {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-3xl) var(--spacing-xl);
    flex: 1;
}

.travel-group__text {
    font-family: var(--font-primary);
    font-size: var(--text-lg);
    line-height: 1.6;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.travel-group__btn {
    display: inline-block;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-xl);
    font-family: var(--font-primary);
    font-size: var(--text-lg);
    font-weight: 700;
    padding: var(--spacing-md) 45px;
    color: var(--color-primary);
    background-color: transparent;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    text-transform: uppercase;
}

.travel-group__btn:hover {
    background-color: var(--color-primary);
    color: var(--color-bg-dark);
    border-color: var(--color-primary);
}

.travel-group__img {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.travel-group__img img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-full);
    border: 5px solid var(--color-primary);
    aspect-ratio: 1/1;
    object-fit: cover;
}

/* ============================================
   TOUR СЕКЦИЯ
   ============================================ */
.tour {
    padding: var(--spacing-5xl) 0;
    background: var(--color-bg-dark);
}

.tour__main {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-4xl);
    text-align: center;
}

.tour__cards {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-xl);
    align-items: stretch;
}

.tour__card {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.tour__card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-primary-lg);
}

.tour__card_img {
    width: 150px;
    height: 150px;
    margin-bottom: var(--spacing-xl);
    flex-shrink: 0;
}

.tour__card_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-full);
}

.tour__card_main {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    width: 100%;
    flex-shrink: 0;
}

.tour__card_text {
    font-family: var(--font-primary);
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-top: 0;
    flex-grow: 1;
}

/* ============================================
   REVIEWS СЕКЦИЯ
   ============================================ */
.reviews {
    background: var(--color-bg-dark);
    padding: var(--spacing-5xl) 0;
}

.reviews__content {
    display: flex;
    flex-wrap: wrap;
    margin: -20px;
}

.reviews__card {
    padding: var(--spacing-xl);
    width: calc(50% - 40px);
    margin: var(--spacing-lg);
    background: rgba(var(--color-primary-rgb), 0.05);
    border-radius: var(--radius-sm);
    transition: transform var(--transition-base), background var(--transition-base);
}

.reviews__card:hover {
    transform: translateY(-5px);
    background: rgba(var(--color-primary-rgb), 0.1);
}

.reviews__card_icon {
    width: 30px;
    height: 30px;
    color: var(--color-primary);
    display: block;
    margin-bottom: var(--spacing-lg);
}

.reviews__text {
    font-family: var(--font-primary);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    font-size: var(--text-lg);
    line-height: 1.5;
}

.reviews__author {
    font-family: var(--font-heading);
    color: var(--color-text-light);
    font-size: var(--text-xl);
    font-weight: 700;
}

/* ============================================
   NATIONAL СЕКЦИЯ
   ============================================ */
.national {
    background: linear-gradient(rgba(26, 24, 20, 0.7), rgba(26, 24, 20, 0.8)), url('../images/man-with-rucksack-admires-gorgeous-mountain-555.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    padding: var(--spacing-7xl) 0;
}

.national__content {
    max-width: 500px;
}

.national__main {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.national__text {
    font-family: var(--font-primary);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    font-size: var(--text-lg);
    line-height: 1.5;
}

.national__svgs {
    display: flex;
    gap: var(--spacing-lg);
}

.national__svg {
    color: var(--color-text-light);
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.national__svg:hover {
    color: var(--color-primary);
    transform: translateY(-3px);
}

.national__svg svg {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

/* ============================================
   CONTACT СЕКЦИЯ
   ============================================ */
.contact-section {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    padding: var(--spacing-5xl) var(--spacing-lg);
}

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

.title {
    font-size: var(--text-5xl);
    font-weight: 400;
    margin-bottom: var(--spacing-3xl);
    color: var(--color-text-light);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.input-row {
    display: flex;
    gap: var(--spacing-lg);
}

.input-field,
.textarea-field {
    width: 100%;
    background-color: var(--color-bg-card);
    border: none;
    border-bottom: 2px solid var(--color-primary);
    padding: var(--spacing-md);
    color: var(--color-text-light);
    font-size: var(--text-base);
    outline: none;
    font-family: var(--font-primary);
    transition: border-color var(--transition-fast);
}

.input-field:focus,
.textarea-field:focus {
    border-bottom-color: var(--color-primary-light);
}

.input-field::placeholder,
.textarea-field::placeholder {
    color: var(--color-text-placeholder);
}

.textarea-field {
    height: 150px;
    resize: vertical;
}

.submit-btn {
    background-color: var(--color-primary);
    color: var(--color-bg-dark);
    border: none;
    border-radius: 50px;
    padding: 18px var(--spacing-2xl);
    font-size: var(--text-sm);
    font-weight: bold;
    letter-spacing: 1px;
    cursor: pointer;
    align-self: center;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
    margin-top: var(--spacing-lg);
    text-transform: uppercase;
    font-family: var(--font-primary);
}

.submit-btn:hover {
    background-color: var(--color-primary-light);
    transform: scale(1.05);
}

/* ============================================
   FORM FEEDBACK (СООБЩЕНИЯ ВАЛИДАЦИИ)
   ============================================ */
.form-feedback {
    margin-top: -10px;
    margin-bottom: var(--spacing-md);
    min-height: 24px;
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    transition: var(--transition-base);
    text-align: left;
}

.form-feedback.success {
    color: var(--color-success);
}

.form-feedback.error {
    color: var(--color-error);
}

/* ============================================
   FOOTER
   ============================================ */
.footer-section {
    background-color: var(--color-bg-dark);
    color: var(--color-text-placeholder);
    padding: var(--spacing-2xl) var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-text {
    margin: 0;
    font-size: var(--text-sm);
    opacity: 0.8;
}

/* ============================================
   КНОПКА "НАВЕРХ" С ПРОГРЕССОМ
   ============================================ */
.scroll-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--color-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.8);
    transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
    z-index: calc(var(--z-header) - 2);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.scroll-to-top:hover {
    transform: scale(1.1);
}

.scroll-to-top__progress {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.scroll-to-top__progress-circle {
    cx: 30;
    cy: 30;
    r: 28;
    fill: none;
    stroke: var(--color-primary);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 175.93;
    stroke-dashoffset: 175.93;
    transition: stroke-dashoffset 0.1s linear;
}

.scroll-to-top__bg {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 54px;
    height: 54px;
    background: var(--color-bg-dark);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.scroll-to-top__icon {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    transition: transform var(--transition-base);
    z-index: 1;
}

.scroll-to-top:hover .scroll-to-top__icon {
    transform: translateY(-3px);
}

/* ============================================
   АДАПТИВНОСТЬ
   ============================================ */

/* Десктоп - меню всегда видимо */
@media (min-width: 769px) {
    .burger-menu {
        display: none !important;
    }
    
    .header__nav {
        position: static !important;
        width: auto !important;
        max-width: none !important;
        height: auto !important;
        background-color: transparent !important;
        padding: 0 !important;
        right: auto !important;
        box-shadow: none !important;
        transition: none !important;
    }
    
    .menu-overlay {
        display: none !important;
    }
}

/* Планшеты и средние экраны (992px - 1200px) */
@media (max-width: 1200px) {
    :root {
        --text-8xl: 80px;
        --text-5xl: 42px;
    }
    
    .hero__main-text {
        font-size: var(--text-8xl);
    }
    
    .travel-group__h4,
    .tour__main,
    .tours-section__title {
        font-size: var(--text-5xl);
    }
}

/* Планшеты (768px - 992px) */
@media (max-width: 992px) {
    :root {
        --header-height: 80px;
        --header-height-scrolled: 65px;
        --container-padding: 25px;
    }
    
    body {
        padding-top: var(--header-height);
    }
    
    body.header-scrolled {
        padding-top: var(--header-height-scrolled);
    }
    
    .hero__content {
        padding: var(--spacing-7xl) 0;
    }
    
    .hero__main-text {
        font-size: 64px;
    }
    
    .hero__low-text {
        font-size: 22px;
    }
    
    .cards__content {
        flex-wrap: wrap;
        transform: translateY(-40px);
    }
    
    .card {
        flex: 0 1 calc(50% - 10px);
        min-width: 280px;
    }
    
    .travel__content {
        flex-direction: column;
        text-align: center;
    }
    
    .travel__container {
        align-items: center;
        text-align: center;
    }
    
    .travel__btn {
        margin: 0 auto;
    }
    
    .travel__images {
        justify-content: center;
    }
    
    .travel-details__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .travel-details__title {
        font-size: 28px;
    }
    
    .tours-section {
        padding: var(--spacing-4xl) 0;
    }
    
    .tours-section__title {
        font-size: var(--text-4xl);
    }
    
    .tours-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .travel-group__container {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .travel-group__h4 {
        font-size: var(--text-4xl);
        text-align: center;
    }
    
    .travel-group__instruments {
        text-align: center;
    }
    
    .tour__cards {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .tour__card {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .collage-container {
        aspect-ratio: 1 / 1.1;
    }
    
    .circle-2 {
        width: 65%;
    }
    
    .circle-3 {
        width: 45%;
        left: 15%;
    }
    
    .circle-1 {
        width: 35%;
    }
    
    .national {
        padding: var(--spacing-6xl) 0;
    }
    
    .national__main {
        font-size: 40px;
    }
    
    .title {
        font-size: 40px;
    }
    
    .scroll-to-top {
        bottom: 25px;
        right: 25px;
        width: 55px;
        height: 55px;
    }
    
    .scroll-to-top__bg {
        width: 49px;
        height: 49px;
    }
    
    .scroll-to-top__progress-circle {
        cx: 27.5;
        cy: 27.5;
        r: 25.5;
    }
}

/* Мобильные устройства (до 768px) */
@media (max-width: 768px) {
    :root {
        --header-height: 70px;
        --header-height-scrolled: 60px;
        --container-padding: 20px;
        --text-5xl: 30px;
    }
    
    body {
        padding-top: var(--header-height);
    }
    
    body.header-scrolled {
        padding-top: var(--header-height-scrolled);
    }
    
    .burger-menu {
        display: flex;
    }
    
    .header__content {
        padding: var(--spacing-md) 0;
    }
    
    .header.scrolled .header__content {
        padding: var(--spacing-sm) 0;
    }
    
    .header__logo-link img {
        height: 35px;
    }
    
    .header.scrolled .header__logo-link img {
        height: 30px;
    }
    
    .header__nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--color-bg-card);
        padding: 90px var(--spacing-xl) var(--spacing-xl);
        transition: right var(--transition-base);
        z-index: var(--z-header);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
        overflow-y: auto;
    }
    
    .header__nav.active {
        right: 0;
    }
    
    .header__ul {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .header__li {
        text-align: center;
    }
    
    .header__li_a {
        font-size: var(--text-lg);
        display: block;
        padding: var(--spacing-sm) 0;
    }
    
    .hero__content {
        padding: var(--spacing-6xl) 0;
    }
    
    .hero__text {
        font-size: var(--text-xl);
    }
    
    .hero__img {
        max-width: 280px;
    }
    
    .hero__main-text {
        font-size: var(--text-5xl);
        letter-spacing: 2px;
    }
    
    .hero__low-text {
        font-size: var(--text-lg);
        margin-bottom: var(--spacing-2xl);
    }
    
    .cards__content {
        flex-direction: column;
        transform: translateY(-30px);
        gap: var(--spacing-xl);
    }
    
    .card {
        min-width: auto;
        padding: 25px;
    }
    
    .travel {
        padding: var(--spacing-2xl) 0;
    }
    
    .travel__main {
        font-size: 28px;
        margin-bottom: var(--spacing-lg);
    }
    
    .travel__about {
        font-size: var(--text-lg);
        margin-bottom: var(--spacing-xl);
    }
    
    .travel__images img {
        max-width: 400px;
    }
    
    .travel-details {
        padding: var(--spacing-2xl) 0;
    }
    
    .travel-details__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .travel-details__title {
        font-size: var(--text-2xl);
        margin-bottom: var(--spacing-xl);
    }
    
    .travel-details__item {
        padding: 25px var(--spacing-lg);
    }
    
    .travel-details__icon {
        font-size: 40px;
    }
    
    .travel-details__item h4 {
        font-size: var(--text-xl);
    }
    
    .tours-section {
        padding: var(--spacing-3xl) 0;
    }
    
    .tours-section__title {
        font-size: var(--text-3xl);
    }
    
    .tours-section__subtitle {
        font-size: var(--text-base);
        margin-bottom: 35px;
    }
    
    .tours-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        max-width: 450px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .tour-item__image {
        height: 200px;
    }
    
    .tour-item__title {
        font-size: var(--text-xl);
    }
    
    .tour-item__description {
        font-size: var(--text-sm);
    }
    
    .tour-item__price-current {
        font-size: 22px;
    }
    
    .tours-section__more-btn {
        padding: var(--spacing-sm) 35px;
        font-size: var(--text-sm);
    }
    
    .photo {
        padding: var(--spacing-3xl) 0;
    }
    
    .collage-container {
        aspect-ratio: 1 / 1.3;
        max-height: 500px;
    }
    
    .circle-2 {
        width: 70%;
    }
    
    .circle-3 {
        width: 50%;
        left: 10%;
    }
    
    .circle-1 {
        width: 40%;
    }
    
    .bag {
        padding: var(--spacing-3xl) 0;
    }
    
    .bag__main {
        font-size: var(--text-4xl);
    }
    
    .bag__text {
        font-size: var(--text-lg);
    }
    
    .travel-group {
        padding: var(--spacing-3xl) 0;
    }
    
    .travel-group__h4 {
        font-size: var(--text-3xl);
        margin-bottom: var(--spacing-2xl);
    }
    
    .travel-group__instruments {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .travel-group__text {
        font-size: var(--text-base);
    }
    
    .tour {
        padding: var(--spacing-3xl) 0;
    }
    
    .tour__main {
        font-size: var(--text-3xl);
        margin-bottom: var(--spacing-2xl);
    }
    
    .tour__card {
        padding: 25px var(--spacing-lg);
    }
    
    .tour__card_img {
        width: 130px;
        height: 130px;
    }
    
    .tour__card_main {
        font-size: 22px;
    }
    
    .tour__card_text {
        font-size: var(--text-base);
    }
    
    .reviews {
        padding: var(--spacing-3xl) 0;
    }
    
    .reviews__content {
        margin: -15px;
    }
    
    .reviews__card {
        width: calc(100% - 30px);
        margin: var(--spacing-md);
        padding: 25px;
    }
    
    .reviews__text {
        font-size: var(--text-base);
    }
    
    .reviews__author {
        font-size: var(--text-lg);
    }
    
    .national {
        padding: var(--spacing-5xl) 0;
    }
    
    .national__content {
        max-width: 100%;
        text-align: center;
    }
    
    .national__main {
        font-size: 32px;
    }
    
    .national__text {
        font-size: var(--text-base);
    }
    
    .national__svgs {
        justify-content: center;
    }
    
    .contact-section {
        padding: var(--spacing-4xl) var(--spacing-lg);
    }
    
    .title {
        font-size: 32px;
        margin-bottom: var(--spacing-2xl);
    }
    
    .input-row {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .input-field,
    .textarea-field {
        padding: var(--spacing-sm);
        font-size: var(--text-sm);
    }
    
    .submit-btn {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: 13px;
    }
    
    .footer-section {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .scroll-to-top {
        bottom: var(--spacing-lg);
        right: var(--spacing-lg);
        width: 50px;
        height: 50px;
    }
    
    .scroll-to-top__bg {
        width: 44px;
        height: 44px;
    }
    
    .scroll-to-top__progress-circle {
        cx: 25;
        cy: 25;
        r: 23;
    }
    
    .scroll-to-top__icon {
        width: 20px;
        height: 20px;
    }
    
    /* Отключаем фиксированный фон на мобильных */
    .hero,
    .national {
        background-attachment: scroll;
    }
}

/* Маленькие мобильные устройства (до 480px) */
@media (max-width: 480px) {
    :root {
        --header-height: 60px;
        --header-height-scrolled: 50px;
        --container-padding: 15px;
    }
    
    body {
        padding-top: var(--header-height);
    }
    
    body.header-scrolled {
        padding-top: var(--header-height-scrolled);
    }
    
    .header__logo-link img {
        height: 30px;
    }
    
    .header.scrolled .header__logo-link img {
        height: 28px;
    }
    
    .burger-menu {
        width: 26px;
        height: 26px;
    }
    
    .burger-menu__line {
        width: 26px;
        height: 2px;
    }
    
    .burger-menu.active .burger-menu__line:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .burger-menu.active .burger-menu__line:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .header__nav {
        max-width: 280px;
        padding: 70px var(--spacing-lg) var(--spacing-xl);
    }
    
    .hero__content {
        padding: var(--spacing-5xl) 0;
    }
    
    .hero__text {
        font-size: var(--text-lg);
    }
    
    .hero__img {
        max-width: 240px;
    }
    
    .hero__main-text {
        font-size: var(--text-4xl);
        letter-spacing: 1px;
        margin-bottom: 25px;
    }
    
    .hero__low-text {
        font-size: var(--text-base);
        margin-bottom: 35px;
    }
    
    .all_btn {
        font-size: var(--text-base);
        padding: var(--spacing-sm) var(--spacing-xl);
    }
    
    .card {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .card__icon {
        width: 50px;
        height: 50px;
    }
    
    .card__main-text {
        font-size: var(--text-lg);
    }
    
    .card__text {
        font-size: var(--text-base);
    }
    
    .travel__main {
        font-size: var(--text-2xl);
    }
    
    .travel__about {
        font-size: var(--text-base);
    }
    
    .travel__images img {
        max-width: 300px;
    }
    
    .tours-section__title {
        font-size: 26px;
    }
    
    .tour-item__content {
        padding: var(--spacing-lg);
    }
    
    .tour-item__image {
        height: 180px;
    }
    
    .tour-item__badge {
        top: var(--spacing-sm);
        left: var(--spacing-sm);
        padding: 4px var(--spacing-sm);
        font-size: var(--text-xs);
    }
    
    .tour-item__footer {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }
    
    .tour-item__btn {
        width: 100%;
        text-align: center;
    }
    
    .collage-container {
        aspect-ratio: 1 / 1.4;
    }
    
    .circle-2 {
        width: 75%;
    }
    
    .circle-3 {
        width: 55%;
        left: 8%;
        border-width: 6px;
    }
    
    .circle-1 {
        width: 45%;
    }
    
    .bag__main {
        font-size: 28px;
    }
    
    .bag__text {
        font-size: var(--text-base);
    }
    
    .travel-group__h4 {
        font-size: 26px;
    }
    
    .travel-group__instruments {
        padding: 25px var(--spacing-md);
    }
    
    .travel-group__btn {
        font-size: var(--text-base);
        padding: var(--spacing-sm) var(--spacing-xl);
    }
    
    .travel-group__img img {
        max-width: 280px;
    }
    
    .tour__main {
        font-size: 26px;
    }
    
    .tour__card_img {
        width: 120px;
        height: 120px;
    }
    
    .tour__card_main {
        font-size: var(--text-xl);
    }
    
    .tour__card_text {
        font-size: var(--text-sm);
    }
    
    .national {
        padding: var(--spacing-4xl) 0;
    }
    
    .national__main {
        font-size: 28px;
    }
    
    .national__svg svg {
        width: 28px;
        height: 28px;
    }
    
    .title {
        font-size: 28px;
    }
    
    .submit-btn {
        padding: var(--text-sm) 25px;
        font-size: var(--text-xs);
    }
    
    .footer-text {
        font-size: var(--text-xs);
    }
    
    .scroll-to-top {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        width: 45px;
        height: 45px;
    }
    
    .scroll-to-top__bg {
        width: 39px;
        height: 39px;
    }
    
    .scroll-to-top__progress-circle {
        cx: 22.5;
        cy: 22.5;
        r: 20.5;
    }
}

/* Очень маленькие устройства (до 360px) */
@media (max-width: 360px) {
    .hero__main-text {
        font-size: var(--text-3xl);
    }
    
    .hero__img {
        max-width: 200px;
    }
    
    .bag__main {
        font-size: var(--text-2xl);
    }
    
    .travel-group__h4 {
        font-size: 22px;
    }
    
    .tour__main {
        font-size: 22px;
    }
    
    .national__main {
        font-size: var(--text-2xl);
    }
    
    .title {
        font-size: var(--text-2xl);
    }
}