/* ============================================
   DIMAR SHK – PROFESSIONAL WEBSITE STYLES
   ============================================ */

:root {
    --primary: #0072CE;
    --primary-dark: #005BA1;
    --primary-light: #E8F4FD;
    --accent: #E63946;
    --accent-dark: #C62828;
    --dark: #0f172a;
    --dark-800: #1e293b;
    --dark-700: #334155;
    --gray-600: #475569;
    --gray-500: #64748b;
    --gray-400: #94a3b8;
    --gray-300: #cbd5e1;
    --gray-200: #e2e8f0;
    --gray-100: #f1f5f9;
    --gray-50: #f8fafc;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

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

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-600);
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-family: var(--font);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn--primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 114, 206, 0.35);
}

.btn--outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
}

.btn--outline:hover {
    background: var(--white);
    color: var(--dark);
    border-color: var(--white);
}

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

.btn--white:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn--outline-white:hover {
    background: rgba(255,255,255,0.15);
    border-color: var(--white);
}

.btn--lg {
    padding: 16px 36px;
    font-size: 16px;
}

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

/* ============================================
   SECTION HELPERS
   ============================================ */

.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 12px;
}

.section-label--light {
    color: rgba(255,255,255,0.8);
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 16px;
}

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

.section-subtitle {
    font-size: 17px;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

/* ============================================
   HEADER
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.header.scrolled {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    padding: 10px 0;
    box-shadow: var(--shadow);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.header__logo {
    flex-shrink: 0;
}

.header__logo img {
    height: 48px;
    width: auto;
    transition: var(--transition);
}

.header .logo-dark {
    display: none;
}

.header .logo-light {
    display: block;
}

.header.scrolled .logo-dark {
    display: block;
}

.header.scrolled .logo-light {
    display: none;
}

.header.scrolled .header__logo img {
    height: 42px;
}

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

.nav__link {
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

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

.header.scrolled .nav__link {
    color: var(--gray-600);
}

.header.scrolled .nav__link:hover,
.header.scrolled .nav__link.active {
    color: var(--primary);
    background: var(--primary-light);
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header__phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--white);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
}

.header__phone:hover {
    background: rgba(255,255,255,0.12);
}

.header.scrolled .header__phone {
    color: var(--dark);
}

.header.scrolled .header__phone:hover {
    background: var(--gray-100);
}

.header__cta {
    padding: 10px 24px;
    font-size: 14px;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

.header.scrolled .hamburger span {
    background: var(--dark);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__slider {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s ease;
    transform: scale(1.05);
}

.hero__slide.active {
    opacity: 1;
    transform: scale(1);
    transition: opacity 1.2s ease, transform 8s ease;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.6) 100%);
    z-index: 1;
}

.hero__content {
    position: relative;
    z-index: 2;
    padding: 160px 0 120px;
    max-width: 800px;
}

.hero__badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    color: rgba(255,255,255,0.9);
    letter-spacing: 0.5px;
    margin-bottom: 24px;
}

.hero__title {
    font-size: clamp(36px, 5.5vw, 64px);
    font-weight: 900;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero__title span {
    background: linear-gradient(135deg, #60a5fa, #38bdf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 19px;
    color: rgba(255,255,255,0.75);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 640px;
}

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

.hero__scroll-hint {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero__scroll-line {
    width: 2px;
    height: 40px;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}

.hero__scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--white);
    border-radius: 2px;
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { top: -50%; }
    100% { top: 110%; }
}

/* ============================================
   TRUST BAR
   ============================================ */

.trust-bar {
    background: var(--white);
    padding: 48px 0;
    border-bottom: 1px solid var(--gray-200);
}

.trust-bar__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.trust-bar__item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.trust-bar__icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius);
}

.trust-bar__item strong {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2px;
}

.trust-bar__item p {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.5;
}

/* ============================================
   ABOUT
   ============================================ */

.about {
    padding: 100px 0;
    background: var(--gray-50);
}

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

.about__image {
    position: relative;
}

.about__image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
}

.about__badge {
    position: absolute;
    bottom: -24px;
    right: -24px;
    background: var(--primary);
    color: var(--white);
    padding: 24px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.about__badge-number {
    display: block;
    font-size: 36px;
    font-weight: 900;
    line-height: 1;
}

.about__badge-text {
    font-size: 13px;
    font-weight: 600;
    opacity: 0.9;
    margin-top: 4px;
    display: block;
}

.about__text {
    font-size: 16px;
    color: var(--gray-600);
    margin-bottom: 16px;
}

.about__features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 28px 0 32px;
}

.about__feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 500;
    color: var(--dark);
}

.about__feature svg {
    color: var(--primary);
    flex-shrink: 0;
}

/* ============================================
   SERVICES
   ============================================ */

.services {
    padding: 100px 0;
    background: var(--white);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gray-200);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.service-card:hover::before {
    background: var(--primary);
}

.service-card--featured {
    background: linear-gradient(160deg, #0062b0 0%, #004a8a 100%);
    border-color: transparent;
    box-shadow: 0 12px 40px rgba(0, 98, 176, 0.3);
}

.service-card--featured:hover {
    box-shadow: 0 20px 50px rgba(0, 98, 176, 0.4);
}

.service-card--featured::before {
    background: #38bdf8;
}

.service-card--featured .service-card__title {
    color: var(--white);
}

.service-card--featured .service-card__text {
    color: rgba(255,255,255,0.75);
}

.service-card--featured .service-card__list li {
    color: rgba(255,255,255,0.85);
}

.service-card--featured .service-card__list li::before {
    color: #7dd3fc;
}

.service-card__icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    margin-bottom: 24px;
}

.service-card__icon--heat {
    background: #fef2f2;
    color: var(--accent);
}

.service-card--featured .service-card__icon--water {
    background: rgba(255, 255, 255, 0.15);
    color: #7dd3fc;
}

.service-card__icon--water {
    background: var(--primary-light);
    color: var(--primary);
}

.service-card__icon--cool {
    background: #f0f9ff;
    color: #0ea5e9;
}

.service-card__title {
    font-size: 22px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 12px;
}

.service-card__text {
    font-size: 15px;
    color: var(--gray-500);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-card__list {
    margin-bottom: 28px;
}

.service-card__list li {
    padding: 6px 0;
    font-size: 14px;
    color: var(--gray-600);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.service-card__list li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
    transition: var(--transition);
}

.service-card--featured .service-card__link {
    color: #7dd3fc;
}

.service-card__link:hover {
    gap: 14px;
}

/* ============================================
   ADVANTAGES
   ============================================ */

.advantages {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}

.advantages__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.advantages__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.85) 100%);
}

.advantages__grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: center;
}

.advantages__text {
    font-size: 17px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 32px;
    line-height: 1.7;
}

.advantages__list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.advantages__item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.advantages__item-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 114, 206, 0.2);
    color: #60a5fa;
    border-radius: var(--radius-sm);
}

.advantages__item strong {
    display: block;
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 2px;
}

.advantages__item p {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
}

.advantages__stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.advantages__stats--two {
    grid-template-columns: 1fr;
    max-width: 280px;
    margin: 0 auto;
}

.stat-card {
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-4px);
}

.stat-card__number {
    font-size: 42px;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
}

.stat-card__suffix {
    font-size: 28px;
    font-weight: 700;
    color: #60a5fa;
}

.stat-card__label {
    display: block;
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    margin-top: 8px;
    font-weight: 500;
}

/* ============================================
   PROCESS
   ============================================ */

.process {
    padding: 100px 0;
    background: var(--gray-50);
}

.process__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
}

.process__grid::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 12.5%;
    right: 12.5%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--gray-300));
    z-index: 0;
}

.process__step {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 16px;
}

.process__number {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    color: var(--primary);
    font-size: 24px;
    font-weight: 900;
    border-radius: 50%;
    border: 3px solid var(--primary);
    margin: 0 auto 24px;
    transition: var(--transition);
}

.process__step:hover .process__number {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.1);
}

.process__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.process__text {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ============================================
   CTA BANNER
   ============================================ */

.cta-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 64px 0;
}

.cta-banner__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.cta-banner__content h2 {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 8px;
}

.cta-banner__content p {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
}

.cta-banner__actions {
    display: flex;
    gap: 16px;
    flex-shrink: 0;
}

/* ============================================
   CONTACT
   ============================================ */

.contact {
    padding: 100px 0;
    background: var(--white);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
}

.contact__info-card {
    background: linear-gradient(160deg, #0062b0 0%, #004080 100%);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 28px;
    box-shadow: 0 12px 40px rgba(0, 64, 128, 0.25);
}

.contact__info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact__info-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.12);
    color: #7dd3fc;
    border-radius: var(--radius);
}

.contact__info-item strong {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}

.contact__info-item p {
    font-size: 15px;
    color: rgba(255,255,255,0.75);
    line-height: 1.6;
}

.contact__info-item a {
    color: rgba(255,255,255,0.75);
}

.contact__info-item a:hover {
    color: var(--white);
}

.contact__form-wrapper {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--gray-200);
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    font-family: var(--font);
    font-size: 15px;
    color: var(--dark);
    background: var(--white);
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 114, 206, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-error {
    display: none;
    font-size: 12px;
    color: #ef4444;
    font-weight: 500;
    margin-top: 2px;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-group.has-error .form-error {
    display: block;
}

.form-error--checkbox {
    width: 100%;
    margin-top: 4px;
}

.form-group--checkbox.has-error .form-error--checkbox {
    display: block;
}

.form-group input.valid,
.form-group textarea.valid {
    border-color: #22c55e;
}

.btn__loading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.form-group--checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: 10px;
    flex-wrap: wrap;
}

.form-group--checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--primary);
}

.form-group--checkbox label {
    font-size: 13px;
    font-weight: 400;
    color: var(--gray-500);
    line-height: 1.5;
}

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

.contact__form-success {
    text-align: center;
    padding: 40px 20px;
}

.contact__form-success svg {
    color: #22c55e;
    margin-bottom: 16px;
}

.contact__form-success h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.contact__form-success p {
    color: var(--gray-500);
}

/* ============================================
   FAQ
   ============================================ */

.faq {
    padding: 100px 0;
    background: var(--gray-50);
}

.faq__grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq__item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.faq__item.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 114, 206, 0.08);
}

.faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font);
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    text-align: left;
    transition: var(--transition);
}

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

.faq__question svg {
    flex-shrink: 0;
    color: var(--gray-400);
    transition: var(--transition);
}

.faq__item.active .faq__question svg {
    transform: rotate(45deg);
    color: var(--primary);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq__item.active .faq__answer {
    max-height: 300px;
}

.faq__answer p {
    padding: 0 24px 20px;
    font-size: 15px;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ============================================
   MAP SECTION
   ============================================ */

.map-section {
    padding: 100px 0 0;
    background: var(--white);
}

.map-section__embed {
    margin-top: 0;
    line-height: 0;
}

.map-section__embed iframe {
    width: 100%;
    height: 450px;
    border: none;
    display: block;
}

/* ============================================
   FILE UPLOAD
   ============================================ */

.form-group--file {
    gap: 8px;
}

.file-upload__input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
}

.file-upload__area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 28px 20px;
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius);
    background: var(--white);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.file-upload__area:hover,
.file-upload__area.dragover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.file-upload__area svg {
    color: var(--gray-400);
}

.file-upload__area:hover svg,
.file-upload__area.dragover svg {
    color: var(--primary);
}

.file-upload__text {
    font-size: 14px;
    color: var(--gray-600);
}

.file-upload__text strong {
    color: var(--primary);
}

.file-upload__hint {
    font-size: 12px;
    color: var(--gray-400);
}

.file-upload__list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 4px;
}

.file-upload__item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 12px;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--dark);
}

.file-upload__item-info {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.file-upload__item-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-upload__item-size {
    font-size: 12px;
    color: var(--gray-400);
    flex-shrink: 0;
}

.file-upload__item-remove {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 2px;
    flex-shrink: 0;
    line-height: 0;
    transition: var(--transition);
}

.file-upload__item-remove:hover {
    color: #ef4444;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--dark);
    padding: 64px 0 0;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__logo {
    height: 44px;
    width: auto;
    margin-bottom: 16px;
}

.footer__brand p {
    font-size: 14px;
    color: var(--gray-400);
    line-height: 1.7;
}

.footer__social {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.08);
    color: var(--gray-400);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.footer__links h4,
.footer__contact h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
}

.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer__links a {
    font-size: 14px;
    color: var(--gray-400);
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--white);
    padding-left: 4px;
}

.footer__contact p {
    font-size: 14px;
    color: var(--gray-400);
    line-height: 1.7;
}

.footer__contact a {
    color: var(--gray-400);
    transition: var(--transition);
}

.footer__contact a:hover {
    color: #60a5fa;
}

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
}

.footer__bottom p {
    font-size: 13px;
    color: var(--gray-500);
}

.footer__bottom-links {
    display: flex;
    gap: 24px;
}

.footer__bottom-links a {
    font-size: 13px;
    color: var(--gray-500);
}

.footer__bottom-links a:hover {
    color: var(--white);
}

/* ============================================
   BACK TO TOP
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 99;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
}

/* ============================================
   ANIMATIONS
   ============================================ */

[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="fade-right"] {
    transform: translateX(-30px);
}

[data-animate="fade-left"] {
    transform: translateX(30px);
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .trust-bar__grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .about__grid {
        gap: 48px;
    }

    .services__grid {
        grid-template-columns: 1fr;
        max-width: 520px;
        margin: 0 auto;
    }

    .advantages__grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .process__grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .process__grid::before {
        display: none;
    }

    .cta-banner__inner {
        flex-direction: column;
        text-align: center;
    }

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

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

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .header__nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--dark);
        padding: 80px 32px 32px;
        transition: var(--transition);
        z-index: 999;
    }

    .header__nav.open {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }

    .nav__link {
        color: rgba(255,255,255,0.8);
        padding: 14px 16px;
        font-size: 16px;
    }

    .nav__link:hover,
    .nav__link.active {
        color: var(--white);
        background: rgba(255,255,255,0.08);
    }

    .header__phone span {
        display: none;
    }

    .header__cta {
        display: none;
    }

    .hero__content {
        padding: 120px 0 80px;
    }

    .hero__buttons {
        flex-direction: column;
    }

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

    .about__image {
        max-width: 480px;
    }

    .about__badge {
        right: 16px;
        bottom: -16px;
    }

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

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

    .advantages__stats--two {
        grid-template-columns: 1fr 1fr;
        max-width: 100%;
    }

    .process__grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .footer__bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

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

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

@media (max-width: 480px) {
    .trust-bar__grid {
        grid-template-columns: 1fr;
    }

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

    .contact__form-wrapper,
    .contact__info-card {
        padding: 24px;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .about,
    .services,
    .advantages,
    .process,
    .contact,
    .faq,
    .map-section {
        padding: 64px 0 0;
    }

    .map-section__embed iframe {
        height: 300px;
    }
}

/* Mobile nav overlay */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

/* ============================================
   COOKIE BANNER
   ============================================ */

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    box-shadow: 0 -4px 30px rgba(0,0,0,0.12);
    padding: 24px 0;
    transform: translateY(100%);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-banner__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 32px;
}

.cookie-banner__text strong {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.cookie-banner__text p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
}

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

.cookie-banner__actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 10px 24px;
    font-size: 14px;
    white-space: nowrap;
}

.btn--outline-dark {
    background: transparent;
    color: var(--dark);
    border: 2px solid var(--gray-300);
}

.btn--outline-dark:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

@media (max-width: 768px) {
    .cookie-banner__inner {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

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

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