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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --dark: #0f172a;
    --dark-700: #1e293b;
    --gray-900: #111827;
    --gray-700: #374151;
    --gray-500: #6b7280;
    --gray-300: #d1d5db;
    --gray-100: #f3f4f6;
    --white: #ffffff;
    --success: #10b981;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --transition: 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-700);
    line-height: 1.6;
    background: var(--white);
    overflow-x: hidden;
}

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

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

/* ===== CONTAINER ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-family: inherit;
    font-weight: 600;
    font-size: 15px;
    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(37, 99, 235, 0.35);
}

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

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

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

.btn--white:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

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

.btn--secondary:hover {
    background: var(--dark-700);
    border-color: var(--dark-700);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

.btn--lg {
    padding: 16px 36px;
    font-size: 16px;
    border-radius: var(--radius-lg);
}

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

.btn__icon {
    font-size: 18px;
}

/* ===== TYPOGRAPHY ===== */
.text-accent {
    color: var(--primary);
}

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

.section-label {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-title--left {
    text-align: left;
}

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

.section-header--narrow {
    max-width: 860px;
    margin: 0 auto 48px;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition);
}

.header--scrolled {
    box-shadow: var(--shadow-md);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
}

.logo__icon {
    font-size: 28px;
}

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

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav__link {
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-700);
    position: relative;
}

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

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav__link:hover::after {
    width: 100%;
}

.header__phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 16px;
    color: var(--primary);
}

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

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

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

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

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

/* ===== HERO ===== */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f0fe 50%, #f5f3ff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero__badge {
    display: inline-block;
    background: var(--success);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
}

.hero__title {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 900;
    color: var(--dark);
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero__subtitle {
    font-size: 18px;
    color: var(--gray-500);
    margin-bottom: 32px;
    max-width: 520px;
    line-height: 1.7;
}

.hero__highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
    max-width: 580px;
}

.hero__highlight {
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(37, 99, 235, 0.16);
    color: var(--dark);
    font-size: 14px;
    font-weight: 600;
    box-shadow: var(--shadow);
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero__stats {
    display: flex;
    gap: 40px;
}

.hero__stat {
    display: flex;
    flex-direction: column;
}

.hero__stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
}

.hero__stat-label {
    font-size: 14px;
    color: var(--gray-500);
}

.hero__image {
    position: relative;
}

.hero__image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    object-fit: cover;
}

/* ===== ADVANTAGES ===== */
.advantages {
    padding: 60px 0;
    background: var(--white);
    margin-top: -40px;
    position: relative;
    z-index: 10;
}

.advantages__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.advantage {
    text-align: center;
    padding: 32px 20px;
    border-radius: var(--radius-lg);
    background: var(--white);
    border: 1px solid var(--gray-100);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.advantage:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.advantage__icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.advantage__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.advantage__text {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.5;
}

/* ===== SERVICES ===== */
.services {
    padding: 80px 0;
    background: var(--gray-100);
}

.services__tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}

.services__tab {
    padding: 14px 32px;
    border-radius: 100px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    border: 2px solid var(--gray-300);
    background: var(--white);
    color: var(--gray-700);
    cursor: pointer;
    transition: var(--transition);
}

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

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

.services__content {
    display: none;
}

.services__content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.service-card__image {
    height: 220px;
    overflow: hidden;
}

.service-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.service-card__image--icon {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light), #ede9fe);
}

.service-icon {
    font-size: 64px;
}

.service-card__body {
    padding: 24px;
}

.service-card__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.service-card__text {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
    margin-bottom: 16px;
}

.service-card__price {
    display: inline-block;
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-light);
    padding: 6px 14px;
    border-radius: 8px;
}

/* ===== ABOUT ===== */
.about {
    padding: 100px 0;
    background: var(--white);
}

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

.about__images {
    position: relative;
}

.about__image--main img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    object-fit: cover;
}

.about__image--secondary {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 200px;
    border: 5px solid var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.about__image--secondary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about__experience {
    position: absolute;
    top: 20px;
    left: -20px;
    background: var(--primary);
    color: var(--white);
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

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

.about__experience-text {
    font-size: 13px;
    font-weight: 500;
    opacity: 0.9;
}

.about__text {
    font-size: 16px;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 32px;
}

.about__features {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 36px;
}

.about__feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--gray-700);
}

.about__feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--success);
    color: var(--white);
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

/* ===== GALLERY ===== */
.gallery {
    padding: 80px 0;
    background: var(--gray-100);
}

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

.gallery__item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery__item:hover img {
    transform: scale(1.08);
}

.gallery__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: var(--transition);
}

.gallery__item:hover .gallery__overlay {
    opacity: 1;
}

.gallery__overlay span {
    color: var(--white);
    font-weight: 600;
    font-size: 15px;
}

/* ===== PRICING ===== */
.pricing {
    padding: 80px 0;
    background: var(--white);
}

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.pricing__table {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-100);
    box-shadow: var(--shadow);
}

.pricing__table-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 24px 28px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
}

.pricing__table-header--electric {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}

.pricing__table-icon {
    font-size: 28px;
}

.pricing__table-header h3 {
    font-size: 18px;
    font-weight: 700;
}

.pricing__table-body {
    padding: 8px 0;
}

.pricing__row {
    display: flex;
    align-items: center;
    padding: 14px 28px;
    font-size: 15px;
    transition: var(--transition);
}

.pricing__row:hover {
    background: var(--gray-100);
}

.pricing__dots {
    flex: 1;
    border-bottom: 2px dotted var(--gray-300);
    margin: 0 12px;
    min-width: 20px;
}

.pricing__value {
    font-weight: 700;
    color: var(--primary);
    white-space: nowrap;
}

.pricing__table-header--service {
    background: linear-gradient(135deg, #0f766e, #0891b2);
}

/* ===== SEO COPY ===== */
.seo-copy {
    padding: 80px 0;
    background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.seo-copy__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.seo-copy__card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow);
}

.seo-copy__card h3 {
    font-size: 18px;
    color: var(--dark);
    margin-bottom: 12px;
}

.seo-copy__card p {
    font-size: 15px;
    color: var(--gray-500);
}

/* ===== BLOG ===== */
.blog-preview {
    padding: 80px 0;
    background: var(--gray-100);
}

.blog-preview__actions {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

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

.blog-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 28px;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.blog-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
}

.blog-card__title {
    font-size: 22px;
    line-height: 1.3;
    color: var(--dark);
}

.blog-card__text {
    font-size: 15px;
    color: var(--gray-500);
}

.blog-card__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    font-weight: 700;
    color: var(--primary);
}

.blog-card__link:hover {
    color: var(--primary-dark);
}

.blog-hero {
    padding: 120px 0 56px;
    background: linear-gradient(180deg, #eff6ff 0%, #ffffff 100%);
}

.blog-hero__inner {
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
}

.blog-hero__title {
    font-size: clamp(34px, 4.5vw, 52px);
    font-weight: 900;
    color: var(--dark);
    line-height: 1.12;
    margin-bottom: 18px;
}

.blog-hero__text {
    font-size: 18px;
    color: var(--gray-500);
    line-height: 1.7;
}

.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
    font-size: 14px;
    color: var(--gray-500);
}

.breadcrumbs a {
    color: var(--primary);
}

.article-page {
    padding: 40px 0 80px;
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 2.2fr) minmax(280px, 0.9fr);
    gap: 32px;
    align-items: start;
}

.article-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.article-card__body {
    padding: 32px;
}

.article-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
}

.article-card__title {
    font-size: clamp(30px, 4vw, 42px);
    line-height: 1.15;
    color: var(--dark);
    margin-bottom: 18px;
}

.article-card__lead {
    font-size: 18px;
    color: var(--gray-500);
    margin-bottom: 28px;
}

.article-card__image {
    width: 100%;
    max-height: 460px;
    object-fit: cover;
}

.article-content h2 {
    font-size: 28px;
    color: var(--dark);
    margin: 32px 0 16px;
}

.article-content h3 {
    font-size: 22px;
    color: var(--dark);
    margin: 24px 0 12px;
}

.article-content p {
    margin-bottom: 16px;
    font-size: 16px;
    color: var(--gray-700);
}

.article-content ul,
.article-content ol {
    margin: 0 0 20px 24px;
    color: var(--gray-700);
}

.article-content li {
    margin-bottom: 10px;
}

.article-note {
    padding: 20px 22px;
    border-radius: var(--radius-lg);
    background: var(--primary-light);
    color: var(--dark);
    font-weight: 600;
    margin: 24px 0;
}

.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 96px;
}

.sidebar-card {
    padding: 24px;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    box-shadow: var(--shadow);
}

.sidebar-card h3 {
    font-size: 20px;
    color: var(--dark);
    margin-bottom: 12px;
}

.sidebar-card p {
    font-size: 15px;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.sidebar-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-links a {
    color: var(--primary);
    font-weight: 600;
}

/* ===== FAQ ===== */
.faq {
    padding: 80px 0;
    background: var(--white);
}

.faq__list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq__item {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq__question {
    list-style: none;
    cursor: pointer;
    padding: 22px 24px;
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
}

.faq__question::-webkit-details-marker {
    display: none;
}

.faq__answer {
    padding: 0 24px 22px;
    font-size: 15px;
    color: var(--gray-500);
}

/* ===== CTA ===== */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.cta__title {
    font-size: clamp(24px, 3.5vw, 36px);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
}

.cta__text {
    font-size: 17px;
    color: rgba(255,255,255,0.8);
    max-width: 500px;
}

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

/* ===== CONTACT ===== */
.contact {
    padding: 80px 0;
    background: var(--gray-100);
}

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

.contact__info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact__card {
    display: flex;
    gap: 20px;
    padding: 28px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.contact__card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.contact__card-icon {
    font-size: 36px;
    flex-shrink: 0;
}

.contact__card-content h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
}

.contact__card-content a {
    color: var(--primary);
    font-weight: 600;
    font-size: 15px;
}

.contact__card-content a:hover {
    color: var(--primary-dark);
}

.contact__card-content p {
    font-size: 14px;
    color: var(--gray-500);
    margin-top: 4px;
}

.contact__form-wrapper {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.contact__form-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 8px;
}

.contact__form-subtitle {
    font-size: 15px;
    color: var(--gray-500);
    margin-bottom: 28px;
}

.form__group {
    margin-bottom: 16px;
}

.form__input,
.form__textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--gray-100);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 15px;
    color: var(--dark);
    transition: var(--transition);
    background: var(--gray-100);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px var(--primary-light);
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--gray-500);
}

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

.form__privacy {
    font-size: 12px;
    color: var(--gray-500);
    text-align: center;
    margin-top: 12px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding-top: 60px;
}

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

.footer__logo .logo {
    color: var(--white);
    margin-bottom: 12px;
}

.footer__logo p {
    font-size: 15px;
    line-height: 1.6;
}

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

.footer__links a {
    display: block;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 10px;
}

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

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

.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 14px;
    color: rgba(255,255,255,0.4);
}

/* ===== FLOATING CALL ===== */
.floating-call {
    display: none;
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
    z-index: 999;
    animation: pulse 2s infinite;
    transition: var(--transition);
}

.floating-call:hover {
    transform: scale(1.1);
    background: var(--primary-dark);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero__inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero__content {
        text-align: center;
    }

    .hero__subtitle {
        margin: 0 auto 32px;
    }

    .hero__highlights {
        justify-content: center;
        margin-left: auto;
        margin-right: auto;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__stats {
        justify-content: center;
    }

    .hero__image {
        max-width: 500px;
        margin: 0 auto;
    }

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

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

    .about__inner {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .about__images {
        max-width: 500px;
        margin: 0 auto;
    }

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

    .cta__text {
        margin: 0 auto;
    }

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

    .seo-copy__grid,
    .blog-grid,
    .blog-grid--page,
    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        position: static;
    }

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

@media (max-width: 768px) {
    .nav {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        gap: 0;
        border-bottom: 1px solid var(--gray-100);
        box-shadow: var(--shadow-lg);
    }

    .nav.active {
        display: flex;
    }

    .nav__link {
        padding: 14px 0;
        border-bottom: 1px solid var(--gray-100);
        width: 100%;
        text-align: center;
    }

    .nav__link::after {
        display: none;
    }

    .header__phone {
        display: none;
    }

    .burger {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero__stats {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }

    .hero__stat {
        align-items: center;
    }

    .advantages__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .advantage {
        padding: 24px 16px;
    }

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

    .services__tab {
        width: 100%;
        max-width: 280px;
    }

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

    .seo-copy__card,
    .blog-card,
    .sidebar-card {
        padding: 24px 20px;
    }

    .gallery__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

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

    .cta__actions {
        flex-direction: column;
        width: 100%;
        max-width: 320px;
    }

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

    .floating-call {
        display: flex;
    }

    .about__image--secondary {
        width: 150px;
        right: -10px;
        bottom: -20px;
    }

    .about__experience {
        left: -10px;
    }

    .contact__form-wrapper {
        padding: 28px 20px;
    }

    .article-card__body {
        padding: 24px 20px;
    }

    .faq__question {
        font-size: 17px;
        padding: 18px 20px;
    }

    .faq__answer {
        padding: 0 20px 20px;
    }
}

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

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

    .hero__actions .btn {
        width: 100%;
        max-width: 320px;
    }

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

/* ===== ANIMATIONS ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== FORM SUCCESS ===== */
.form-success {
    text-align: center;
    padding: 40px 20px;
}

.form-success__icon {
    font-size: 56px;
    margin-bottom: 16px;
}

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

.form-success__text {
    font-size: 15px;
    color: var(--gray-500);
}