/* ======== ПЕРЕМЕННЫЕ ======== */
:root {
    /* Основная цветовая схема */
    --primary: #d90000; /* Raspberry color */
    --secondary: #FF0066; /* Brighter raspberry for accents */
    --accent: #FFFFFF; /* White accent */
    --dark: #121212; /* Black */
    --darker: #0A0A0A; /* Deeper black */
    --light: #F5F5F5; /* White */
    --gray: #888888;
    --gray-light: #E0E0E0;
    --gray-dark: #333333;

    /* Градиенты */
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--primary));
    --gradient-dark: linear-gradient(135deg, var(--dark), #1F1F1F);
    --gradient-glass: linear-gradient(120deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));

    /* Тени */
    --shadow-sm: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.2);

    /* Радиусы */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 999px;

    /* Анимации */
    --transition-fast: all 0.3s ease;
    --transition-smooth: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Размеры */
    --header-height: 80px;
    --section-spacing: 100px;
    --container-width: 1200px;

    /* Шрифты */
    --font-primary: 'Montserrat', sans-serif;
    --font-logo: 'Raleway', sans-serif;
}

/* ======== ГЛОБАЛЬНЫЕ СТИЛИ ======== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 62.5%; /* 10px = 1rem для удобства расчетов */
    scroll-behavior: smooth;
    overflow-x: hidden;
    background-color: var(--dark);
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    font-size: 1.6rem;
    line-height: 1.7;
    color: var(--light);
    overflow-x: hidden;
    background-color: var(--dark);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 2rem;
}

p {
    margin-bottom: 2rem;
}

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

ul, ol {
    list-style: none;
}

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

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    outline: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
}

.section {
    padding: var(--section-spacing) 0;
    position: relative;
    overflow: hidden;
}

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

/* ======== ТИПОГРАФИКА ======== */
.heading-xl {
    font-size: clamp(3.6rem, 5vw, 6rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.heading-lg {
    font-size: clamp(3rem, 4vw, 4.8rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.heading-md {
    font-size: clamp(2.4rem, 3vw, 3.6rem);
    font-weight: 700;
    line-height: 1.2;
}

.heading-sm {
    font-size: clamp(1.8rem, 2vw, 2.4rem);
    font-weight: 600;
    line-height: 1.3;
}

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

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ======== ЛОАДЕР И ПРЕДЗАГРУЗКА ======== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--darker);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease-out, visibility 0.6s ease-out;
}

.preloader.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-content {
    text-align: center;
    color: var(--light);
}

.preloader-logo {
    font-family: var(--font-logo);
    font-weight: 800;
    font-size: 4.8rem;
    color: var(--light);
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.5s ease-out 0.2s forwards;
}

.preloader-spinner {
    width: 6rem;
    height: 6rem;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary);
    margin: 0 auto 2rem;
    animation: spin 1s linear infinite;
}

.preloader-text {
    font-size: 1.4rem;
    letter-spacing: 0.2rem;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeUp 0.5s ease-out 0.4s forwards;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ======== КНОПКИ ======== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem 2.4rem;
    font-size: 1.6rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%);
    transition: var(--transition-fast);
    z-index: -1;
}

.btn:hover::before {
    transform: translateX(0);
}

.btn-primary {
    background: var(--primary);
    color: var(--light);
}

.btn-primary:hover {
    background: var(--primary);
    box-shadow: 0 5px 15px rgba(199, 21, 133, 0.3);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-sm {
    padding: 0.8rem 1.6rem;
    font-size: 1.4rem;
}

.btn-lg {
    padding: 1.6rem 3.2rem;
    font-size: 1.8rem;
}

/* ======== ШАПКА ======== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 100;
    transition: var(--transition-fast);
    padding: 10px 0;
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 0 2rem;
}

.logo {
    font-family: var(--font-logo);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--light);
    text-decoration: none;
}

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

.nav-list {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.nav-list li {
    display: flex;
    align-items: center;
}

.nav-link {
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--light);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-fast);
}

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

.nav-link:hover::after {
    width: 100%;
}

.btn-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 3rem;
    height: 2.4rem;
    cursor: pointer;
    z-index: 101;
}

.btn-menu span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--light);
    transition: var(--transition-fast);
}

.btn-menu.active span:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
}

.btn-menu.active span:nth-child(2) {
    opacity: 0;
}

.btn-menu.active span:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
}

.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--darker);
    z-index: 102;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.65, 0, 0.35, 1);
    overflow-y: auto;
}

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

.mobile-nav-container {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 100%;
    padding: 10rem 2rem 3rem;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.mobile-nav-link {
    font-size: 2.4rem;
    font-weight: 600;
    color: var(--light);
    text-decoration: none;
    transition: var(--transition-fast);
    display: block;
    padding: 1rem 0;
}

.mobile-nav-link:hover {
    color: var(--primary);
}

.mobile-nav-footer {
    margin-top: 4rem;
}

.mobile-nav-contact {
    display: block;
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--light);
    margin-bottom: 2rem;
}

.mobile-nav-social {
    display: flex;
    gap: 2rem;
    font-size: 2.4rem;
}

.mobile-nav-social a {
    color: var(--light);
    transition: var(--transition-fast);
}

.mobile-nav-social a:hover {
    color: var(--primary);
}

/* ======== ГЛАВНЫЙ БАННЕР ======== */
.hero {
    height: 100vh;
    min-height: 70rem;
    padding-top: var(--header-height);
    display: flex;
    align-items: center;
    position: relative;
    background-color: var(--dark);
    overflow: hidden;
}

.hero-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
}

.hero-content {
    flex: 1;
    max-width: 60rem;
}

.hero-text {
    font-size: 1.8rem;
    margin-bottom: 3rem;
}

.hero-buttons {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    position: relative;
}

.hero-image-inner {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 50rem;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-blur {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 60%;
    height: 60%;
    background: var(--primary);
    filter: blur(10rem);
    opacity: 0.3;
    z-index: -1;
}

/* ======== СЕКЦИЯ: ПОЧЕМУ ВЫБИРАЮТ ======== */
.section-header {
    text-align: center;
    max-width: 80rem;
    margin: 0 auto 6rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(25rem, 1fr));
    gap: 3rem;
}

.feature-card {
    background: rgba(18, 18, 18, 0.5);
    border-radius: var(--radius-md);
    padding: 3rem;
    transition: var(--transition-fast);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
    background: rgba(18, 18, 18, 0.8);
}

.feature-icon {
    width: 7rem;
    height: 7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    margin-bottom: 2rem;
    font-size: 2.8rem;
    color: var(--light);
}

.feature-card h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

/* ======== СЕКЦИЯ: ЧТО МЫ ПРЕДЛАГАЕМ ======== */
.offer-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
    gap: 3rem;
}

.offer-card {
    height: 40rem;
    -webkit-perspective: 150rem;
    perspective: 150rem;
}

.offer-card-inner {
    width: 100%;
    height: 100%;
    position: relative;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
    -webkit-transition: -webkit-transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
    transition: transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.offer-card:hover .offer-card-inner {
    -webkit-transform: rotateY(180deg);
    transform: rotateY(180deg);
}

.offer-card-front, .offer-card-back {
    width: 100%;
    height: 100%;
    position: absolute;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.offer-card-front {
    background: var(--dark);
    z-index: 2;
}

.offer-card-back {
    background: var(--primary);
    -webkit-transform: rotateY(180deg);
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 3rem;
    text-align: center;
    z-index: 1;
}

.offer-card-image {
    width: 100%;
    height: 70%;
    overflow: hidden;
}

.offer-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    -webkit-transition: -webkit-transform 0.5s ease;
    transition: transform 0.5s ease;
}

.offer-card:hover .offer-card-image img {
    -webkit-transform: scale(1.1);
    transform: scale(1.1);
}

.offer-card-front h3 {
    padding: 2rem;
    text-align: center;
}

.offer-card-back h3 {
    margin-bottom: 1.5rem;
}

.offer-card-back p {
    margin-bottom: 2.5rem;
}

/* ======== СЕКЦИЯ: НАШИ УСЛУГИ ======== */
.services-tabs {
    background: rgba(18, 18, 18, 0.5);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.services-tabs-nav {
    display: flex;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    overflow-x: auto;
    scrollbar-width: none;
}

.services-tabs-nav::-webkit-scrollbar {
    display: none;
}

.services-tab-btn {
    padding: 2rem 3rem;
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--light);
    background: transparent;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.services-tab-btn.active {
    color: var(--primary);
    position: relative;
}

.services-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary);
}

.services-tabs-content {
    min-height: 40rem;
}

.services-tab {
    display: none;
    padding: 4rem;
}

.services-tab.active {
    display: block;
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.services-tab-inner {
    display: flex;
    gap: 4rem;
    align-items: center;
}

.services-tab-image {
    flex: 1;
    height: 40rem;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.services-tab-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.services-tab-content {
    flex: 1;
}

.services-tab-content h3 {
    font-size: 2.8rem;
    margin-bottom: 2rem;
}

.services-list {
    margin: 3rem 0;
}

.services-list li {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.services-list li i {
    color: var(--primary);
    margin-top: 0.4rem;
}

/* ======== СЕКЦИЯ: КАЛЬКУЛЯТОР ======== */
.calculator {
    background: var(--darker);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

.calculator:hover {
    box-shadow: 0 25px 60px rgba(199, 21, 133, 0.2);
    transform: translateY(-5px);
}

.calculator-inner {
    display: flex;
    min-height: 60rem;
}

.calculator-form {
    flex: 2;
    padding: 4rem;
    position: relative;
    background: linear-gradient(135deg, rgba(18, 18, 18, 0.8), rgba(10, 10, 10, 0.9));
}

.calculator-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4rem;
    position: relative;
}

.calculator-progress-step {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--light);
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.calculator-progress-step.active {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(199, 21, 133, 0.5);
}

.calculator-progress-step.completed {
    background: var(--primary);
    border-color: var(--primary);
}

.calculator-progress-step.completed::after {
    content: '✓';
    position: absolute;
    font-size: 1.6rem;
}

.calculator-progress-line {
    flex: 1;
    height: 2px;
    background: rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 1;
}

.calculator-progress-line.active {
    background: var(--primary);
}

.calculator-step {
    display: none;
}

.calculator-step.active {
    display: block;
    animation: fadeIn 0.5s ease forwards;
}

.calculator-step-header {
    margin-bottom: 3rem;
}

.calculator-input-group {
    margin-bottom: 3rem;
}

.calculator-input-wrapper {
    background: rgba(18, 18, 18, 0.5);
    border-radius: var(--radius-md);
    padding: 3rem;
    margin-bottom: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.calculator-input-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
    opacity: 0.7;
}

.calculator-input-wrapper:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(199, 21, 133, 0.15);
}

.calculator-input-wrapper label {
    display: block;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--light);
    transition: all 0.3s ease;
}

.calculator-input {
    width: 100%;
    padding: 1.8rem;
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--light);
    font-size: 2rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Placeholder styles for calculator inputs */
.calculator-input::placeholder {
    color: var(--light);
    opacity: 0.7;
}
.calculator-input::-webkit-input-placeholder {
    color: var(--light);
    opacity: 0.7;
}
.calculator-input::-moz-placeholder {
    color: var(--light);
    opacity: 0.7;
}
.calculator-input:-ms-input-placeholder {
    color: var(--light);
    opacity: 0.7;
}
.calculator-input:-moz-placeholder {
    color: var(--light);
    opacity: 0.7;
}

.calculator-input:focus {
    border-color: var(--primary);
    outline: none;
    background: rgba(199, 21, 133, 0.05);
    box-shadow: 0 0 0 3px rgba(199, 21, 133, 0.2), inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.calculator-input-hint {
    margin-top: 1.8rem;
    font-size: 1.5rem;
    color: var(--gray);
    line-height: 1.6;
    padding-left: 1rem;
    border-left: 2px solid rgba(255, 255, 255, 0.1);
}

.calculator-price-hint {
    color: var(--primary);
    font-weight: 600;
    margin-top: 0.8rem;
    display: flex;
    align-items: center;
}

.calculator-price-hint::before {
    content: '•';
    margin-right: 0.8rem;
    font-size: 2rem;
    line-height: 0;
}

.calculator-buttons {
    display: flex;
    gap: 2rem;
}

.calculator-address {
    margin-bottom: 3rem;
}

.calculator-address-input {
    margin-bottom: 2rem;
}

.calculator-address-input input {
    width: 100%;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    color: var(--light);
}

/* Placeholder styles for address input */
.calculator-address-input input::placeholder {
    color: var(--light);
    opacity: 0.7;
}
.calculator-address-input input::-webkit-input-placeholder {
    color: var(--light);
    opacity: 0.7;
}
.calculator-address-input input::-moz-placeholder {
    color: var(--light);
    opacity: 0.7;
}
.calculator-address-input input:-ms-input-placeholder {
    color: var(--light);
    opacity: 0.7;
}
.calculator-address-input input:-moz-placeholder {
    color: var(--light);
    opacity: 0.7;
}

.calculator-map {
    height: 30rem;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.calculator-map-inner {
    width: 100%;
    height: 100%;
    position: relative;
}

.calculator-map-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.calculator-map-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.calculator-map-zone, .calculator-map-zone-outer {
    padding: 1.5rem 3rem;
    background: rgba(199, 21, 133, 0.2);
    border: 2px solid var(--primary);
    border-radius: var(--radius-full);
    margin: 1rem;
    font-weight: 600;
}

.calculator-map-zone-outer {
    background: rgba(255, 0, 102, 0.2);
    border-color: var(--secondary);
}

.calculator-result {
    flex: 1;
    padding: 4rem;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    position: relative;
    box-shadow: inset 5px 0 15px rgba(0, 0, 0, 0.1);
}

.calculator-result::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none"/><path d="M0,0L100,100" stroke="rgba(255,255,255,0.05)" stroke-width="1"/><path d="M100,0L0,100" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></svg>');
    background-size: 30px 30px;
    opacity: 0.5;
    pointer-events: none;
}

.calculator-result-header {
    margin-bottom: 4rem;
    text-align: center;
    position: relative;
}

.calculator-result-header h3 {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
    display: inline-block;
}

.calculator-result-header h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 3px;
}

.calculator-result-content {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.calculator-result-item {
    display: flex;
    justify-content: space-between;
    padding: 1.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.calculator-result-item:hover {
    transform: translateX(5px);
    border-bottom-color: rgba(255, 255, 255, 0.4);
}

.calculator-result-label {
    font-weight: 500;
    font-size: 1.6rem;
    opacity: 0.9;
}

.calculator-result-value {
    font-weight: 700;
    font-size: 1.8rem;
    letter-spacing: 0.5px;
}

.calculator-result-divider {
    height: 2px;
    background: linear-gradient(to right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0));
    margin: 2.5rem 0;
    border-radius: 2px;
}

.calculator-result-total {
    background: rgba(255, 255, 255, 0.15);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    margin: 2.5rem 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.calculator-result-total::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0));
    pointer-events: none;
}

.calculator-result-total-label {
    font-size: 1.8rem;
    font-weight: 600;
    display: block;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.calculator-result-total-value {
    font-size: 4rem;
    font-weight: 800;
    display: block;
    margin-bottom: 0.5rem;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    letter-spacing: 1px;
}

.calculator-result-total-discount {
    font-size: 1.4rem;
    text-decoration: line-through;
    opacity: 0.7;
}

.calculator-result-note {
    font-size: 1.3rem;
    opacity: 0.8;
    margin-top: 2rem;
    font-style: italic;
    padding-left: 1.5rem;
    border-left: 2px solid rgba(255, 255, 255, 0.2);
    line-height: 1.6;
}

.calculator-order-form {
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: 3.5rem;
    margin: 3.5rem 0;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.calculator-order-form::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    pointer-events: none;
}

.calculator-order-form h3 {
    margin-bottom: 2.5rem;
    font-size: 2.4rem;
    text-align: center;
    position: relative;
    padding-bottom: 1.5rem;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.calculator-order-form h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.calculator-order-form .form-group {
    margin-bottom: 2.5rem;
    position: relative;
}

.calculator-order-form label {
    display: block;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.6rem;
    color: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
}

.calculator-order-form input,
.calculator-order-form textarea {
    width: 100%;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    color: var(--light);
    font-size: 1.6rem;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* Placeholder styles for order form inputs */
.calculator-order-form input::placeholder,
.calculator-order-form textarea::placeholder {
    color: var(--light);
    opacity: 0.7;
}
.calculator-order-form input::-webkit-input-placeholder,
.calculator-order-form textarea::-webkit-input-placeholder {
    color: var(--light);
    opacity: 0.7;
}
.calculator-order-form input::-moz-placeholder,
.calculator-order-form textarea::-moz-placeholder {
    color: var(--light);
    opacity: 0.7;
}
.calculator-order-form input:-ms-input-placeholder,
.calculator-order-form textarea:-ms-input-placeholder {
    color: var(--light);
    opacity: 0.7;
}
.calculator-order-form input:-moz-placeholder,
.calculator-order-form textarea:-moz-placeholder {
    color: var(--light);
    opacity: 0.7;
}

.calculator-order-form input:hover,
.calculator-order-form textarea:hover {
    border-color: rgba(255, 255, 255, 0.3);
}

.calculator-order-form input:focus,
.calculator-order-form textarea:focus {
    border-color: #fff;
    outline: none;
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1), inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.calculator-order-form textarea {
    min-height: 100px;
    resize: vertical;
}

.calculator-order-form .form-policy {
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.calculator-order-form .form-policy input {
    width: auto;
    margin-top: 0.3rem;
}

.calculator-order-form .form-policy label {
    margin-bottom: 0;
    font-size: 1.4rem;
    line-height: 1.5;
    font-weight: 500;
}

.calculator-order-form .form-policy a {
    color: #fff;
    text-decoration: underline;
    transition: all 0.3s ease;
}

.calculator-order-form .form-policy a:hover {
    color: rgba(255, 255, 255, 0.8);
}

.calculator-order-form .btn {
    width: 100%;
    padding: 1.5rem;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: #fff;
    color: var(--primary);
    border-radius: var(--radius-sm);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.calculator-order-form .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0));
    transform: translateX(-100%);
    transition: all 0.6s ease;
}

.calculator-order-form .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.calculator-order-form .btn:hover::before {
    transform: translateX(100%);
}

.calculator-result-actions {
    margin-top: 3.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.calculator-result-actions .btn {
    padding: 1.5rem;
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.calculator-result-actions .btn-outline {
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.calculator-result-actions .btn-outline:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

/* ======== КАЛЬКУЛЯТОР: АДАПТИВНОСТЬ ======== */
@media (max-width: 1200px) {
    .calculator-inner {
        flex-direction: column;
    }

    .calculator-result {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .calculator-progress {
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 768px) {
    .calculator {
        margin: 0 -2rem;
        border-radius: 0;
    }

    .calculator-form,
    .calculator-result {
        padding: 3rem 2rem;
    }

    .calculator-progress-step {
        width: 3.5rem;
        height: 3.5rem;
        font-size: 1.6rem;
    }

    .calculator-step-header h3 {
        font-size: 2.2rem;
    }

    .calculator-input-wrapper {
        padding: 2.5rem;
    }

    .calculator-input {
        font-size: 1.8rem;
        padding: 1.5rem;
    }

    .calculator-result-header h3 {
        font-size: 2.4rem;
    }

    .calculator-result-content {
        padding: 2.5rem;
    }

    .calculator-result-total-value {
        font-size: 3.5rem;
    }

    .calculator-order-form {
        padding: 2.5rem;
    }
}

@media (max-width: 576px) {
    .calculator-form,
    .calculator-result {
        padding: 2.5rem 1.5rem;
    }

    .calculator-progress {
        margin-bottom: 3rem;
    }

    .calculator-progress-step {
        width: 3rem;
        height: 3rem;
        font-size: 1.4rem;
    }

    .calculator-step-header h3 {
        font-size: 2rem;
    }

    .calculator-input-wrapper {
        padding: 2rem;
    }

    .calculator-input {
        font-size: 1.6rem;
        padding: 1.2rem;
    }

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

    .calculator-buttons .btn {
        width: 100%;
    }

    .calculator-result-header h3 {
        font-size: 2.2rem;
    }

    .calculator-result-content {
        padding: 2rem;
    }

    .calculator-result-item {
        padding: 1.5rem 0;
    }

    .calculator-result-total {
        padding: 2rem;
    }

    .calculator-result-total-value {
        font-size: 3rem;
    }

    .calculator-order-form {
        padding: 2rem;
    }

    .calculator-order-form h3 {
        font-size: 2rem;
    }

    .calculator-order-form .btn {
        font-size: 1.6rem;
        padding: 1.2rem;
    }
}

/* ======== СЕКЦИЯ: ОТЗЫВЫ ======== */
.testimonials-slider {
    padding: 2rem 0;
}

.testimonials-swiper {
    overflow: visible;
}

.testimonial-card {
    background: rgba(18, 18, 18, 0.5);
    border-radius: var(--radius-md);
    padding: 3rem;
    height: 100%;
    transition: var(--transition-fast);
}

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

.testimonial-card-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.testimonial-avatar {
    width: 6rem;
    height: 6rem;
    border-radius: var(--radius-full);
    overflow: hidden;
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-info h4 {
    margin-bottom: 0.5rem;
}

.testimonial-rating {
    color: #FFD700;
}

.testimonial-content {
    margin-bottom: 2rem;
}

.testimonial-event {
    font-size: 1.4rem;
    opacity: 0.7;
}

/* ======== СЕКЦИЯ: КОНТАКТЫ ======== */
.contact-inner {
    display: flex;
    gap: 4rem;
}

.contact-form {
    flex: 1;
    background: var(--darker);
    border-radius: var(--radius-lg);
    padding: 4rem;
}

.contact-form h3 {
    margin-bottom: 3rem;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 500;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    color: var(--light);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary);
    outline: none;
}

.form-policy {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 3rem;
}

.form-policy input {
    margin-top: 0.5rem;
}

.form-policy a {
    color: var(--primary);
    text-decoration: underline;
}

.contact-info {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.contact-info-card {
    background: var(--darker);
    border-radius: var(--radius-md);
    padding: 3rem;
    flex: 1 1 calc(50% - 1rem);
    text-align: center;
    transition: var(--transition-fast);
}

.contact-info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-sm);
}

.contact-info-icon {
    width: 6rem;
    height: 6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(199, 21, 133, 0.1);
    border-radius: var(--radius-full);
    margin: 0 auto 2rem;
    font-size: 2.4rem;
    color: var(--primary);
}

.contact-info-card h4 {
    margin-bottom: 1rem;
}

.contact-info-card a {
    color: var(--light);
    transition: var(--transition-fast);
}

.contact-info-card a:hover {
    color: var(--primary);
}

.contact-social {
    background: var(--darker);
    border-radius: var(--radius-md);
    padding: 3rem;
    width: 100%;
    text-align: center;
}

.contact-social h4 {
    margin-bottom: 2rem;
}

.contact-social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    font-size: 2.4rem;
}

.contact-social-links a {
    width: 5rem;
    height: 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.contact-social-links a:hover {
    background: var(--primary);
    transform: translateY(-5px);
}

/* ======== ФУТЕР ======== */
.footer {
    background: var(--darker);
    padding: 8rem 0 2rem;
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 5rem;
}

.footer-logo {
    margin-bottom: 2rem;
}

.footer-logo .logo {
    margin-bottom: 1.5rem;
    display: inline-block;
}

.footer h4 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.footer ul li {
    margin-bottom: 1.5rem;
}

.footer ul li a {
    transition: var(--transition-fast);
}

.footer ul li a:hover {
    color: var(--primary);
}

.footer-contacts ul li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.footer-contacts ul li i {
    margin-top: 0.5rem;
}

.footer-social {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
}

.footer-social a {
    width: 4rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary);
}

.footer-bottom {
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-copyright {
    font-size: 1.4rem;
    opacity: 0.7;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    font-size: 1.4rem;
    opacity: 0.7;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary);
}

/* ======== МОДАЛЬНЫЕ ОКНА ======== */
.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--dark);
    border-radius: var(--radius-lg);
    padding: 4rem;
    max-width: 60rem;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-in-out;
    text-align: center;
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-content {
    position: relative;
}

.modal-close {
    position: absolute;
    top: -2rem;
    right: -2rem;
    width: 4rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--light);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 1.8rem;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--dark);
}

.modal-icon {
    width: 8rem;
    height: 8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(199, 21, 133, 0.1);
    border-radius: var(--radius-full);
    margin: 0 auto 2rem;
    font-size: 4rem;
    color: var(--primary);
}

.modal h3 {
    margin-bottom: 1.5rem;
}

.modal p {
    margin-bottom: 2rem;
}

.modal-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 3rem;
}

@media (max-width: 576px) {
    .modal {
        padding: 2.5rem 1.5rem;
    }

    .modal-icon {
        width: 6rem;
        height: 6rem;
        font-size: 3rem;
        margin-bottom: 1.5rem;
    }

    .modal h3 {
        font-size: 1.8rem;
    }

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

    .modal-buttons .btn {
        width: 100%;
    }
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-in-out;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
    z-index: 100;
}

/* ======== ЭФФЕКТЫ ПРОКРУТКИ ======== */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.9s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.9s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.9s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.reveal-left.active, .reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-stagger > * {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.reveal-stagger.active > *:nth-child(1) { transition-delay: 0.1s; }
.reveal-stagger.active > *:nth-child(2) { transition-delay: 0.2s; }
.reveal-stagger.active > *:nth-child(3) { transition-delay: 0.3s; }
.reveal-stagger.active > *:nth-child(4) { transition-delay: 0.4s; }
.reveal-stagger.active > *:nth-child(5) { transition-delay: 0.5s; }
.reveal-stagger.active > *:nth-child(6) { transition-delay: 0.6s; }
.reveal-stagger.active > *:nth-child(7) { transition-delay: 0.7s; }
.reveal-stagger.active > *:nth-child(8) { transition-delay: 0.8s; }

.reveal-stagger.active > * {
    opacity: 1;
    transform: translateY(0);
}

/* ======== TELEGRAM WEBAPP FIX ======== */
@media (max-width: 992px) {
    /* Fix for Telegram WebApp */
    .is-telegram-webapp .hero-content {
        padding-top: 260px;
    }
}

@media (max-width: 576px) {
    /* Fix for Telegram WebApp on small screens */
    .is-telegram-webapp .hero-content {
        padding-top: 280px;
    }
}

/* ======== МЕДИА ЗАПРОСЫ ======== */
@media (max-width: 1200px) {
    :root {
        --section-spacing: 8rem;
    }

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

@media (max-width: 992px) {
    .header-inner {
        justify-content: space-between;
    }

    .nav {
        display: none;
    }

    .btn-menu {
        display: flex;
        margin-left: auto;
    }

    .header .btn {
        display: none;
    }

    .hero-inner {
        flex-direction: column;
    }

    .hero-content {
        text-align: center;
        max-width: 100%;
        padding-top: 220px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .services-tab-inner {
        flex-direction: column;
    }

    .calculator-inner {
        flex-direction: column;
    }

    .contact-inner {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    :root {
        --section-spacing: 6rem;
    }

    .heading-xl {
        font-size: clamp(3rem, 4vw, 4.5rem);
    }

    .heading-lg {
        font-size: clamp(2.6rem, 3.5vw, 3.6rem);
    }

    .services-tab {
        padding: 2rem;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 576px) {
    .btn {
        padding: 1rem 2rem;
    }

    .hero {
        min-height: 60rem;
    }

    .hero-content {
        padding-top: 240px;
    }

    .feature-card {
        padding: 2rem;
    }

    .services-tabs-nav {
        padding-bottom: 1rem;
    }

    .services-tab-btn {
        padding: 1.5rem 2rem;
    }

    .contact-form {
        padding: 2rem;
    }

    .contact-info-card {
        flex: 1 1 100%;
    }
}