/* ============================================
   THERMENPRO WIEN - Thermentausch Wien
   Unique design - Navy + Orange palette
   ============================================ */

/* === VARIABLES === */
:root {
    --color-primary: #0f2b46;
    --color-primary-light: #163a5e;
    --color-accent: #e8621c;
    --color-accent-hover: #d15516;
    --color-accent-light: #fff4ee;
    --color-dark: #0a1929;
    --color-text: #2c3e50;
    --color-text-light: #6b7c8d;
    --color-border: #dce4ec;
    --color-bg: #f7f9fb;
    --color-white: #ffffff;
    --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --shadow-sm: 0 2px 8px rgba(15, 43, 70, 0.08);
    --shadow-md: 0 4px 20px rgba(15, 43, 70, 0.12);
    --shadow-lg: 0 8px 40px rgba(15, 43, 70, 0.16);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: 0.3s ease;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background: var(--color-white);
    line-height: 1.6;
    max-width: 1920px;
    min-width: 375px;
    margin: 0 auto;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }

/* === HEADER === */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.site-header__inner {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-header__logo {
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 10;
}

.site-header__logo-flame {
    width: 36px;
    height: 36px;
    background: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.site-header__logo-flame img { filter: brightness(0) invert(1); }

.site-header__logo-brand {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-white);
    transition: color var(--transition);
}

.site-header.scrolled .site-header__logo-brand { color: var(--color-primary); }

.site-header__logo-dot {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(232, 98, 28, 0.15);
    padding: 2px 8px;
    border-radius: 4px;
}

.site-header__nav {
    display: flex;
    gap: 28px;
}

.site-header__link {
    font-size: 15px;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    transition: color var(--transition);
    position: relative;
}

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

.site-header__link:hover::after { width: 100%; }
.site-header__link:hover { color: var(--color-white); }
.site-header.scrolled .site-header__link { color: var(--color-text); }
.site-header.scrolled .site-header__link:hover { color: var(--color-accent); }

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

.site-header__phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-white);
    transition: color var(--transition);
}

.site-header.scrolled .site-header__phone { color: var(--color-primary); }
.site-header__phone img { filter: brightness(0) invert(1); }
.site-header.scrolled .site-header__phone img { filter: none; }

.site-header__cta-btn {
    background: var(--color-accent);
    color: var(--color-white);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    transition: background var(--transition), transform var(--transition);
}

.site-header__cta-btn:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
}

.site-header__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
    z-index: 10;
}

.site-header__burger span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: background var(--transition);
}

.site-header.scrolled .site-header__burger span { background: var(--color-primary); }

/* Mobile Menu */
.site-header__mobile {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background: var(--color-white);
    z-index: 1001;
    transition: right var(--transition);
    padding: 24px;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.site-header__mobile.active { right: 0; }

.site-header__mobile-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.site-header__mobile-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
}

.site-header__mobile-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.site-header__mobile-nav {
    display: flex;
    flex-direction: column;
}

.header__mobile-link {
    padding: 14px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    transition: color var(--transition);
}

.header__mobile-link:hover { color: var(--color-accent); }

.site-header__mobile-actions {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.site-header__mobile-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    font-weight: 600;
    color: var(--color-primary);
}

.site-header__mobile-cta {
    display: block;
    text-align: center;
    padding: 14px;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.site-header__overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 25, 41, 0.6);
    z-index: 1000;
}

.site-header__overlay.active { display: block; }

/* === 1. HERO === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

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

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

.hero__gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 25, 41, 0.92) 0%, rgba(15, 43, 70, 0.75) 50%, rgba(15, 43, 70, 0.5) 100%);
    z-index: 1;
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 1320px;
    margin: 0 auto;
    padding: 140px 24px 60px;
}

.hero__badge {
    display: inline-block;
    background: rgba(232, 98, 28, 0.2);
    color: var(--color-accent);
    border: 1px solid rgba(232, 98, 28, 0.3);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero__title {
    font-size: clamp(42px, 7vw, 80px);
    font-weight: 900;
    color: var(--color-white);
    line-height: 1.05;
    margin-bottom: 16px;
}

.hero__title span { color: var(--color-accent); }

.hero__subtitle {
    font-size: clamp(18px, 2.5vw, 24px);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
    max-width: 540px;
}

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

.hero__btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 600;
    transition: all var(--transition);
}

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

.hero__btn--primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(232, 98, 28, 0.35);
}

.hero__btn--primary img { filter: brightness(0) invert(1); }

.hero__btn--secondary {
    background: rgba(255, 255, 255, 0.12);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(4px);
}

.hero__btn--secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.hero__btn--secondary img { filter: brightness(0) invert(1); }

.hero__stats {
    position: relative;
    z-index: 2;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px 60px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: rgba(15, 43, 70, 0.6);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-top: 40px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.hero__stat {
    background: rgba(10, 25, 41, 0.7);
    backdrop-filter: blur(12px);
    padding: 28px 24px;
    text-align: center;
    border-bottom: 2px solid transparent;
    transition: border-color var(--transition);
}

.hero__stat:hover {
    border-bottom-color: var(--color-accent);
}

.hero__stat-num {
    display: block;
    font-size: 30px;
    font-weight: 800;
    color: var(--color-accent);
    text-shadow: 0 1px 8px rgba(232, 98, 28, 0.3);
}

.hero__stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 6px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

/* === 2. TRUST === */
.trust {
    background: var(--color-primary);
    padding: 20px 0;
}

.trust__container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.trust__badge {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
}

.trust__badge img { filter: brightness(0) invert(1); opacity: 0.7; }

.trust__badge-text strong {
    display: block;
    font-size: 14px;
    color: var(--color-white);
}

.trust__badge-text span {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

/* === 3. SERVICES === */
.services {
    padding: 80px 0;
    background: var(--color-bg);
}

.services__container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

.services__title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.services__desc {
    font-size: 16px;
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto;
}

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

.services__card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.services__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.services__card-icon {
    width: 56px;
    height: 56px;
    background: var(--color-accent-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.services__card-icon img { filter: invert(39%) sepia(95%) saturate(1500%) hue-rotate(3deg) brightness(95%) contrast(85%); }

.services__card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.services__card-text {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
}

.services__card-price {
    font-size: 15px;
    color: var(--color-text-light);
    margin-bottom: 16px;
}

.services__card-price strong {
    font-size: 24px;
    color: var(--color-accent);
    font-weight: 800;
}

.services__card-link {
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-accent);
    transition: gap var(--transition);
}

.services__card-link:hover { gap: 4px; }

.services__card-link::after {
    content: ' \2192';
}

/* === 4. MATERIALS === */
.materials {
    padding: 80px 0;
    background: var(--color-white);
}

.materials__container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

.materials__title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: var(--color-primary);
}

.materials__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.materials__card {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    border: 2px solid transparent;
    transition: all var(--transition);
}

.materials__card--highlight {
    border-color: var(--color-accent);
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    transform: scale(1.03);
}

.materials__card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.materials__card-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
}

.materials__card-tag {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 50px;
    background: var(--color-accent-light);
    color: var(--color-accent);
}

.materials__card--highlight .materials__card-tag {
    background: var(--color-accent);
    color: var(--color-white);
}

.materials__card-price {
    font-size: 22px;
    font-weight: 800;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.materials__card-list {
    margin-bottom: 20px;
}

.materials__card-list li {
    padding: 6px 0;
    font-size: 14px;
    color: var(--color-text);
    padding-left: 20px;
    position: relative;
}

.materials__card-list li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: 700;
}

.materials__card-list li.materials__card-list--con::before {
    content: '\2717';
    color: #e74c3c;
}

.materials__card-brands {
    font-size: 12px;
    color: var(--color-text-light);
    font-style: italic;
}

/* === 5. ADVANTAGES === */
.advantages {
    padding: 80px 0;
    background: var(--color-primary);
}

.advantages__container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

.advantages__title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: var(--color-white);
    text-align: center;
    margin-bottom: 48px;
}

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

.advantages__item {
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.advantages__item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-accent);
}

.advantages__num {
    display: inline-block;
    font-size: 32px;
    font-weight: 900;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.advantages__item-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 10px;
}

.advantages__item-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.6;
}

/* === 6. BEFORE/AFTER === */
.before-after {
    padding: 80px 0;
    background: var(--color-bg);
}

.before-after__container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

.before-after__title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: var(--color-primary);
}

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

.before-after__project {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.before-after__project:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.before-after__images {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.before-after__img {
    position: relative;
    overflow: hidden;
}

.before-after__img img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.before-after__tag {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(10, 25, 41, 0.75);
    color: var(--color-white);
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
}

.before-after__tag--after {
    background: var(--color-accent);
}

.before-after__info {
    padding: 20px;
}

.before-after__info h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.before-after__info p {
    font-size: 13px;
    color: var(--color-text-light);
}

/* === 7. GEOGRAPHY === */
.geo {
    padding: 80px 0;
    background: var(--color-white);
}

.geo__container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

.geo__head {
    text-align: center;
    margin-bottom: 32px;
}

.geo__title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.geo__text {
    font-size: 16px;
    color: var(--color-text-light);
}

.geo__numbers {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-bottom: 40px;
}

.geo__stat { text-align: center; }

.geo__stat-num {
    display: block;
    font-size: 36px;
    font-weight: 900;
    color: var(--color-accent);
}

.geo__stat-label {
    font-size: 14px;
    color: var(--color-text-light);
}

.geo__districts {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 10px;
}

.geo__district {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    transition: all var(--transition);
    border: 1px solid transparent;
}

.geo__district:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-light);
}

.geo__district span {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-accent);
    background: var(--color-accent-light);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

/* === 8. STEPS === */
.steps {
    padding: 80px 0;
    background: var(--color-bg);
}

.steps__container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

.steps__title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: var(--color-primary);
}

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

.steps__item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    position: relative;
}

.steps__item:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.steps__num {
    font-size: 36px;
    font-weight: 900;
    color: var(--color-accent);
    opacity: 0.3;
    margin-bottom: 12px;
}

.steps__item:hover .steps__num { opacity: 1; }

.steps__item-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.steps__item-text {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* === 9. PORTFOLIO === */
.portfolio {
    padding: 80px 0;
    background: var(--color-white);
}

.portfolio__container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

.portfolio__title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: var(--color-primary);
}

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

.portfolio__case {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.portfolio__case:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.portfolio__case-img img {
    width: 100%;
    height: 240px;
    object-fit: cover;
}

.portfolio__case-body {
    padding: 24px;
}

.portfolio__case-type {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-accent);
    background: var(--color-accent-light);
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 10px;
}

.portfolio__case-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.portfolio__case-text {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.portfolio__case-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.portfolio__case-meta span {
    font-size: 12px;
    padding: 4px 10px;
    background: var(--color-white);
    border-radius: 4px;
    color: var(--color-text-light);
    border: 1px solid var(--color-border);
}

/* === CTA BAND === */
.cta-band {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}

.cta-band__bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-band__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 25, 41, 0.92), rgba(15, 43, 70, 0.85));
}

.cta-band__container {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.cta-band__title {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 16px;
}

.cta-band__text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 32px;
}

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

.cta-band__btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    transition: all var(--transition);
}

.cta-band__btn--phone {
    background: var(--color-white);
    color: var(--color-primary);
}

.cta-band__btn--phone:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.cta-band__btn--form {
    background: var(--color-accent);
    color: var(--color-white);
}

.cta-band__btn--form:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

.cta-band__btn--form img { filter: brightness(0) invert(1); }

/* === 10. PRICING === */
.pricing {
    padding: 80px 0;
    background: var(--color-white);
}

.pricing__container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

.pricing__title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.pricing__desc {
    font-size: 15px;
    color: var(--color-text-light);
}

.pricing__table {
    margin-bottom: 24px;
}

.pricing__row {
    display: flex;
    align-items: baseline;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
    gap: 12px;
}

.pricing__row--accent {
    background: var(--color-accent-light);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin: 4px 0;
    border-bottom: none;
}

.pricing__row-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-primary);
    white-space: nowrap;
}

.pricing__row-detail {
    font-size: 13px;
    color: var(--color-text-light);
    white-space: nowrap;
}

.pricing__row-line {
    flex: 1;
    border-bottom: 1px dotted var(--color-border);
    min-width: 20px;
    margin-bottom: 4px;
}

.pricing__row-price {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-accent);
    white-space: nowrap;
}

.pricing__note {
    text-align: center;
    font-size: 13px;
    color: var(--color-text-light);
    margin-bottom: 24px;
}

.pricing__cta {
    display: block;
    text-align: center;
    padding: 16px;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 600;
    transition: all var(--transition);
}

.pricing__cta:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

/* === 11. GUARANTEE === */
.guarantee {
    padding: 80px 0;
    background: var(--color-bg);
}

.guarantee__container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 60px;
}

.guarantee__visual {
    display: flex;
    align-items: baseline;
    gap: 12px;
    flex-shrink: 0;
}

.guarantee__big {
    font-size: 140px;
    font-weight: 900;
    color: var(--color-accent);
    line-height: 1;
}

.guarantee__visual-text {
    display: flex;
    flex-direction: column;
}

.guarantee__visual-text span {
    font-size: 24px;
    color: var(--color-text-light);
}

.guarantee__visual-text strong {
    font-size: 32px;
    color: var(--color-primary);
}

.guarantee__title {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.guarantee__text {
    font-size: 15px;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

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

.guarantee__check {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--color-text);
}

.guarantee__check span {
    color: #27ae60;
    font-weight: 700;
    font-size: 18px;
}

/* === 12. ISSUES === */
.issues {
    padding: 80px 0;
    background: var(--color-white);
}

.issues__container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.issues__title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.issues__text {
    font-size: 16px;
    color: var(--color-text-light);
    margin-bottom: 24px;
}

.issues__cta {
    display: inline-block;
    padding: 12px 24px;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all var(--transition);
}

.issues__cta:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

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

.issues__card {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 28px;
    border-left: 4px solid var(--color-accent);
    transition: all var(--transition);
}

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

.issues__card-num {
    display: inline-block;
    font-size: 28px;
    font-weight: 900;
    color: var(--color-accent);
    opacity: 0.3;
    margin-bottom: 8px;
}

.issues__card-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.issues__card-text {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* === 13. ABOUT === */
.about {
    padding: 80px 0;
    background: var(--color-bg);
}

.about__container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about__media { position: relative; }

.about__img-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about__img-main img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about__img-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
}

.about__img-badge img { filter: brightness(0) invert(1); }

.about__img-badge span {
    font-size: 15px;
    font-weight: 700;
}

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

.about__title {
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.about__text p {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.about__highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 28px;
    padding-top: 28px;
    border-top: 1px solid var(--color-border);
}

.about__highlight { text-align: center; }

.about__highlight strong {
    display: block;
    font-size: 24px;
    font-weight: 800;
    color: var(--color-accent);
}

.about__highlight span {
    font-size: 13px;
    color: var(--color-text-light);
}

/* === 14. CREW === */
.crew {
    padding: 80px 0;
    background: var(--color-white);
}

.crew__container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.crew__title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.crew__text {
    font-size: 16px;
    color: var(--color-text-light);
}

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

.crew__member {
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-bg);
    transition: all var(--transition);
}

.crew__member:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.crew__member img {
    width: 100%;
    height: 340px;
    object-fit: cover;
}

.crew__member-info {
    padding: 20px;
}

.crew__member-info h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.crew__member-role {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 4px;
}

.crew__member-spec {
    display: block;
    font-size: 13px;
    color: var(--color-text-light);
}

/* === 15. TESTIMONIALS === */
.testimonials {
    padding: 80px 0;
    background: var(--color-bg);
}

.testimonials__container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

.testimonials__title {
    font-size: clamp(24px, 3.5vw, 36px);
    font-weight: 800;
    color: var(--color-primary);
}

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

.testimonials__card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 32px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

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

.testimonials__card-stars {
    font-size: 20px;
    color: #f59e0b;
    margin-bottom: 16px;
}

.testimonials__card-text {
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonials__card-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonials__card-avatar {
    width: 44px;
    height: 44px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
}

.testimonials__card-meta strong {
    display: block;
    font-size: 15px;
    color: var(--color-primary);
}

.testimonials__card-meta span {
    font-size: 13px;
    color: var(--color-text-light);
}

.testimonials__footer {
    text-align: center;
    margin-top: 32px;
}

.testimonials__btn {
    display: inline-block;
    padding: 12px 28px;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all var(--transition);
}

.testimonials__btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* === 16. ARTICLES (BLOG) === */
.articles {
    padding: 80px 0;
    background: var(--color-white);
}

.articles__container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

.articles__title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: var(--color-primary);
}

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

.articles__card {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.articles__card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.articles__card-img img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.articles__card-body {
    padding: 20px;
}

.articles__card-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.articles__card-excerpt {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.articles__cta {
    text-align: center;
    margin-top: 32px;
}

.articles__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all var(--transition);
}

.articles__btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.articles__btn:hover img { filter: brightness(0) invert(1); }

/* === 17. FAQ === */
.faq {
    padding: 80px 0;
    background: var(--color-bg);
}

.faq__container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

.faq__title {
    font-size: clamp(24px, 3.5vw, 36px);
    font-weight: 800;
    color: var(--color-primary);
}

.faq__item {
    background: var(--color-white);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition);
}

.faq__item.active { border-color: var(--color-accent); }

.faq__question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-primary);
    text-align: left;
    gap: 16px;
}

.faq__question img {
    transition: transform var(--transition);
    flex-shrink: 0;
}

.faq__item.active .faq__question img { transform: rotate(180deg); }

.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;
    padding: 0 24px 18px;
}

.faq__answer p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* === 18. CALCULATOR === */
.calc {
    padding: 80px 0;
    background: var(--color-primary);
}

.calc__container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.calc__title {
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 24px;
}

.calc__result {
    margin-bottom: 16px;
}

.calc__result-label {
    display: block;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 4px;
}

.calc__result-value {
    font-size: 48px;
    font-weight: 900;
    color: var(--color-accent);
}

.calc__note {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 20px;
}

.calc__btn {
    display: inline-block;
    padding: 14px 28px;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all var(--transition);
}

.calc__btn:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

.calc__group {
    margin-bottom: 20px;
}

.calc__label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
}

.calc__select {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    font-size: 15px;
    font-family: var(--font-main);
    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='white' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.calc__select option {
    background: var(--color-primary);
    color: var(--color-white);
}

/* === 19. INQUIRY (CONTACT) === */
.inquiry {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}

.inquiry__bg {
    position: absolute;
    inset: 0;
}

.inquiry__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.08;
}

.inquiry__container {
    position: relative;
    z-index: 1;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 48px;
    align-items: start;
}

.inquiry__title {
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.inquiry__desc {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 32px;
}

.inquiry__contact-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.inquiry__contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--color-text);
}

.inquiry__contact-item:hover { color: var(--color-accent); }

.inquiry__form-wrap {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 36px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.inquiry__form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.inquiry__form-group {
    margin-bottom: 16px;
}

.inquiry__form-input,
.inquiry__form-textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: var(--font-main);
    color: var(--color-text);
    transition: border-color var(--transition);
    background: var(--color-bg);
}

.inquiry__form-input:focus,
.inquiry__form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: var(--color-white);
}

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

.inquiry__form-error {
    font-size: 12px;
    color: #e74c3c;
    margin-top: 4px;
}

.inquiry__form-btn {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 16px;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 600;
    border: none;
    transition: all var(--transition);
}

.inquiry__form-btn:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

.inquiry__form-btn img { filter: brightness(0) invert(1); }

.inquiry__form-success {
    margin-top: 16px;
    padding: 16px;
    background: #d4edda;
    color: #155724;
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 600;
}

/* === 20. SEO TEXT === */
.seo {
    padding: 60px 0;
    background: var(--color-bg);
}

.seo__container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

.seo__title {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.seo__content p {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.seo__content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: 24px;
    margin-bottom: 8px;
}

.seo__content strong { color: var(--color-text); }

.seo__content a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
    font-weight: 600;
    transition: color var(--transition);
}

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

/* === FOOTER === */
.footer {
    background: var(--color-dark);
    padding: 60px 0 0;
    color: var(--color-white);
}

.footer__container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer__top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 48px;
    gap: 24px;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.footer__logo img { filter: brightness(0) invert(1); }

.footer__logo-name {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-white);
}

.footer__logo-city {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent);
}

.footer__about-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
    max-width: 320px;
}

.footer__cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    transition: all var(--transition);
    flex-shrink: 0;
}

.footer__cta:hover { background: var(--color-accent-hover); }
.footer__cta img { filter: brightness(0) invert(1); }

.footer__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 40px;
}

.footer__heading {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer__link {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    transition: color var(--transition);
}

.footer__link:hover { color: var(--color-accent); }

.footer__contact-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer__contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
}

a.footer__contact-item {
    transition: color var(--transition);
    cursor: pointer;
}

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

.footer__contact-item img { filter: brightness(0) invert(1); opacity: 0.5; }

.footer__regions {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.footer__regions-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

.footer__regions-list {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.footer__region {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
    padding: 4px 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    transition: all var(--transition);
}

.footer__region:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer__copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
}

.footer__legal {
    display: flex;
    gap: 24px;
}

.footer__legal-link {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    transition: color var(--transition);
}

.footer__legal-link:hover { color: var(--color-white); }

/* === FIXED CALL BUTTON === */
.fixed-call {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 9999;
}

.fixed-call__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 65px;
    height: 65px;
    background: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(232, 98, 28, 0.4);
    animation: pulse-call 2s infinite;
    transition: transform var(--transition);
}

.fixed-call__btn:hover { transform: scale(1.1); }
.fixed-call__btn img { filter: brightness(0) invert(1); }

@keyframes pulse-call {
    0% { box-shadow: 0 0 0 0 rgba(232, 98, 28, 0.5); }
    70% { box-shadow: 0 0 0 16px rgba(232, 98, 28, 0); }
    100% { box-shadow: 0 0 0 0 rgba(232, 98, 28, 0); }
}

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

@media (max-width: 1200px) {
    .materials__grid { grid-template-columns: repeat(2, 1fr); }
    .materials__card--highlight { transform: scale(1); }
    .services__grid { grid-template-columns: repeat(2, 1fr); }
    .portfolio__cases { grid-template-columns: repeat(2, 1fr); }
    .portfolio__cases .portfolio__case:last-child { grid-column: span 2; }
}

@media (max-width: 1024px) {
    .site-header__nav { display: none; }
    .site-header__actions { display: none; }
    .site-header__burger { display: flex; }

    .hero__stats { grid-template-columns: repeat(2, 1fr); }
    .advantages__grid { grid-template-columns: repeat(2, 1fr); }
    .before-after__grid { grid-template-columns: repeat(2, 1fr); }
    .before-after__grid .before-after__project:last-child { grid-column: span 2; }
    .steps__timeline { grid-template-columns: repeat(2, 1fr); }
    .issues__grid { grid-template-columns: repeat(2, 1fr); }
    .about__container { grid-template-columns: 1fr; gap: 40px; }
    .crew__members { grid-template-columns: repeat(2, 1fr); }
    .testimonials__grid { grid-template-columns: repeat(2, 1fr); }
    .articles__grid { grid-template-columns: repeat(2, 1fr); }
    .inquiry__container { grid-template-columns: 1fr; }
    .guarantee__container { flex-direction: column; align-items: center; text-align: center; gap: 20px; }
    .guarantee__visual { justify-content: center; }
    .guarantee__big { font-size: 56px; }
    .guarantee__visual-text span { font-size: 16px; }
    .guarantee__visual-text strong { font-size: 22px; }
    .guarantee__checks { align-items: flex-start; }
    .calc__container { grid-template-columns: 1fr; }

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

@media (max-width: 768px) {
    .services__grid { grid-template-columns: 1fr; }
    .materials__grid { grid-template-columns: 1fr; }
    .advantages__grid { grid-template-columns: 1fr; }
    .before-after__grid { grid-template-columns: 1fr; }
    .before-after__grid .before-after__project:last-child { grid-column: span 1; }
    .steps__timeline { grid-template-columns: 1fr; }
    .portfolio__cases { grid-template-columns: 1fr; }
    .portfolio__cases .portfolio__case:last-child { grid-column: span 1; }
    .issues__grid { grid-template-columns: 1fr; }
    .crew__members { grid-template-columns: 1fr; }
    .testimonials__grid { grid-template-columns: 1fr; }
    .articles__grid { grid-template-columns: 1fr; }

    .hero__stats { grid-template-columns: repeat(2, 1fr); }
    .hero__content { padding: 120px 24px 40px; }
    .geo__numbers { gap: 32px; }
    .geo__districts { grid-template-columns: repeat(2, 1fr); }

    .trust__badges { grid-template-columns: 1fr 1fr; gap: 8px; }
    .trust__badge { padding: 10px 8px; gap: 8px; flex-direction: column; text-align: center; }
    .trust__badge img { width: 24px; height: 24px; }
    .trust__badge-text strong { font-size: 12px; }
    .trust__badge-text span { font-size: 10px; }

    .pricing__row { flex-wrap: wrap; gap: 4px; }
    .pricing__row-line { display: none; }
    .pricing__row-detail { width: 100%; order: 3; }

    .inquiry__form-row { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; }
    .footer__grid .footer__col:last-child { grid-column: span 2; }
    .footer__contact-list { flex-direction: row; flex-wrap: wrap; gap: 8px 16px; }
    .footer__heading { margin-bottom: 10px; font-size: 14px; }
    .footer__link { font-size: 13px; }
    .footer__contact-item { font-size: 13px; }
    .footer__top { flex-direction: column; }
    .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
    .hero__title { font-size: 36px; }
    .hero__buttons { flex-direction: column; }
    .hero__btn { justify-content: center; }
    .hero__stats { grid-template-columns: 1fr 1fr; }

    .trust__badges { grid-template-columns: 1fr 1fr; gap: 6px; }
    .trust__badge { padding: 8px 6px; }

    .geo__numbers { gap: 16px; }
    .geo__stat-num { font-size: 28px; }
    .geo__stat-label { font-size: 12px; }
    .geo__districts { grid-template-columns: 1fr 1fr; }
    .geo__district { padding: 10px 8px; font-size: 13px; }

    .guarantee__big { font-size: 48px; }
    .guarantee__container { gap: 16px; }
    .guarantee__visual-text span { font-size: 14px; }
    .guarantee__visual-text strong { font-size: 18px; }
    .guarantee__title { font-size: 18px; }
    .guarantee__check { font-size: 13px; gap: 6px; }
    .guarantee__text { font-size: 13px; margin-bottom: 12px; }

    .about__highlights { grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 16px; padding-top: 16px; }
    .about__highlight strong { font-size: 20px; }
    .about__highlight span { font-size: 11px; }
    .about__img-badge { right: 10px; bottom: -10px; }

    .cta-band__actions { flex-direction: column; }
    .cta-band__btn { justify-content: center; }

    .fixed-call__btn { width: 55px; height: 55px; }
    .fixed-call { right: 16px; bottom: 16px; }
}

@media (max-width: 375px) {
    body { font-size: 14px; }
    .hero__title { font-size: 32px; }
    .hero__content { padding: 100px 16px 30px; }
    .hero__stats { padding: 0 16px 40px; }

    .services__container,
    .materials__container,
    .advantages__container,
    .before-after__container,
    .geo__container,
    .steps__container,
    .portfolio__container,
    .pricing__container,
    .guarantee__container,
    .issues__container,
    .about__container,
    .crew__container,
    .testimonials__container,
    .articles__container,
    .faq__container,
    .calc__container,
    .inquiry__container,
    .seo__container,
    .footer__container,
    .trust__container {
        padding: 0 16px;
    }

    .inquiry__form-wrap { padding: 20px; }
    .calc__result-value { font-size: 36px; }
}