/* =============================================
   FRONT-PAGE V4 — ФИНАЛЬНАЯ ВЕРСИЯ
   ============================================= */

:root {
    --primary: #03A398;
    --primary-dark: #028b81;
    --primary-light: #05c4b8;
    --secondary: #1a2a33;
    --secondary-light: #2a4a56;
    --dark: #0a141e;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-400: #94a3b8;
    --gray-600: #5a6c7d;
    --gradient-primary: linear-gradient(135deg, #03A398, #05c4b8);
    --gradient-dark: linear-gradient(135deg, #0a141e, #1a2a33, #2a4a56);
    --gradient-teal: linear-gradient(135deg, #03A398, #2a4a56);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 24px 64px rgba(0,0,0,0.16);
    --shadow-teal: 0 8px 32px rgba(3,163,152,0.25);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 50px;
    --font: 'Inter', 'Segoe UI', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
}

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

/* ===== SECTION HEAD ===== */
.section-head-v4 {
    text-align: center;
    margin-bottom: 50px;
}

.section-tag-v4 {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 14px;
    padding: 5px 16px;
    background: rgba(3,163,152,0.06);
    border-radius: var(--radius-full);
}

.section-title-v4 {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: -0.02em;
    max-width: 700px;
    margin: 0 auto;
}

.section-sub-v4 {
    font-size: 1.05rem;
    color: var(--gray-600);
    max-width: 550px;
    margin: 14px auto 0;
}

/* ===== BUTTONS ===== */
.btn-v4 {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--font);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border-radius: var(--radius-full);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary-v4 {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-teal);
}

.btn-primary-v4:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 45px rgba(3,163,152,0.4);
}

.btn-secondary-v4 {
    background: var(--secondary-light);
    color: var(--white);
}

.btn-secondary-v4:hover {
    background: #3a5a6a;
    transform: translateY(-3px);
}

.btn-outline-v4 {
    border-color: rgba(255,255,255,0.3);
    color: var(--white);
}

.btn-outline-v4:hover {
    background: var(--white);
    color: var(--secondary);
    border-color: var(--white);
    transform: translateY(-3px);
}

.btn-outline-white-v4 {
    border-color: rgba(255,255,255,0.25);
    color: var(--white);
}

.btn-outline-white-v4:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.4);
}

.btn-v4 .material-symbols-outlined {
    font-size: 1.2rem;
    transition: transform 0.3s;
}

.btn-v4:hover .material-symbols-outlined {
    transform: translateX(4px);
}

/* ============================================
   HERO V4
   ============================================ */
.hero-premium-v4 {
    background: var(--gradient-dark);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-glow-v4 {
    position: absolute;
    top: -20%;
    left: -15%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(3,163,152,0.07) 0%, transparent 70%);
    animation: glowPulse 8s ease-in-out infinite alternate;
}

@keyframes glowPulse {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(80px, 40px) scale(1.15); }
}

.hero-inner-v4 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
    max-width: var(--max-width);
    margin: 0 auto;
}

.hero-badge-v4 {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(3,163,152,0.1);
    border: 1px solid rgba(3,163,152,0.2);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 22px;
}

.badge-dot-v4 {
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    animation: dotPulse 2s infinite;
}

@keyframes dotPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.8); }
}

.hero-title-v4 {
    font-size: 3.4rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 18px;
}

.hero-sub-v4 {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    margin-bottom: 26px;
    max-width: 440px;
}

.hero-stats-v4 {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
}

.hero-stat-num-v4 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-light);
}

.hero-stat-suf-v4, .hero-stat-div-v4 {
    font-size: 1.2rem;
    opacity: 0.5;
}

.hero-stat-lbl-v4 {
    display: block;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
}

.hero-actions-v4 {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.hero-img-wrapper-v4 {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.hero-img-wrapper-v4 img {
    width: 100%;
    height: 420px;
    object-fit: cover;
}

.hero-floating-v4 {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 10px 18px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    box-shadow: var(--shadow-teal);
}

.hero-float-card-v4 {
    position: absolute;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-weight: 500;
    font-size: 0.85rem;
    animation: floatCard 6s ease-in-out infinite;
}

.card-a-v4 { top: 15px; right: -30px; }
.card-b-v4 { bottom: 70px; right: -50px; animation-delay: 1.5s; }

.hero-float-card-v4 .material-symbols-outlined {
    font-size: 1.3rem;
    color: var(--primary-light);
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* ============================================
   SERVICES V4
   ============================================ */
.services-v4 {
    padding: 90px 0;
    background: var(--gray-50);
}

.services-grid-v4 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.service-card-v4 {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: all 0.4s;
}

.service-card-v4:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-card-img-v4 {
    height: 200px;
    position: relative;
    overflow: hidden;
}

.service-card-img-v4 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}

.service-card-v4:hover .service-card-img-v4 img {
    transform: scale(1.06);
}

.service-card-ph-v4 {
    width: 100%;
    height: 100%;
    background: var(--gradient-teal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-card-ph-v4 .material-symbols-outlined {
    font-size: 3.5rem;
    color: rgba(255,255,255,0.25);
}

.service-card-overlay-v4 {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, rgba(0,0,0,0.4), transparent);
}

.service-card-num-v4 {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--white);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.8rem;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.service-card-body-v4 {
    padding: 20px;
}

.service-card-cat-v4 {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.service-card-body-v4 h3 {
    font-size: 1.1rem;
    margin: 4px 0 6px;
}

.service-card-body-v4 h3 a {
    color: var(--secondary);
    text-decoration: none;
}

.service-card-body-v4 h3 a:hover { color: var(--primary); }

.service-card-body-v4 p {
    color: var(--gray-600);
    font-size: 0.88rem;
    margin-bottom: 12px;
}

.service-card-link-v4 {
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    font-size: 0.88rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.service-card-link-v4:hover { gap: 8px; }

/* ============================================
   CITIES V4
   ============================================ */
.cities-v4 {
    padding: 90px 0;
    background: var(--white);
}

.cities-grid-v4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: var(--max-width);
    margin: 0 auto 30px;
}

.city-card-v4 {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    text-decoration: none;
    border: 1px solid transparent;
    transition: var(--transition);
}

.city-card-v4:hover {
    background: var(--white);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.city-card-icon-v4 .material-symbols-outlined {
    font-size: 1.8rem;
    color: var(--primary);
}

.city-card-info-v4 h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--secondary);
    margin: 0;
}

.city-card-info-v4 span {
    font-size: 0.78rem;
    color: var(--gray-600);
}

.city-card-arrow-v4 {
    margin-left: auto;
    color: var(--gray-400);
    font-size: 1.2rem;
    transition: var(--transition);
}

.city-card-v4:hover .city-card-arrow-v4 {
    color: var(--primary);
    transform: translateX(4px);
}

.cities-bottom-v4 {
    text-align: center;
}

.cities-bottom-v4 p {
    color: var(--gray-600);
    margin-bottom: 16px;
}

/* ============================================
   ADVANTAGES V4
   ============================================ */
.advantages-v4 {
    padding: 90px 0;
    background: var(--gray-50);
}

.advantages-grid-v4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.adv-card-v4 {
    background: var(--white);
    padding: 32px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.adv-card-v4:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.adv-icon-wrap-v4 {
    margin-bottom: 20px;
}

.adv-icon-v4 {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    transform: rotate(45deg);
    box-shadow: var(--shadow-teal);
    transition: var(--transition);
}

.adv-icon-v4 .material-symbols-outlined {
    font-size: 1.6rem;
    color: var(--white);
    transform: rotate(-45deg);
}

.adv-card-v4:hover .adv-icon-v4 {
    border-radius: 50%;
    transform: rotate(405deg);
}

.adv-card-v4 h3 {
    font-size: 1.05rem;
    margin-bottom: 6px;
    color: var(--secondary);
}

.adv-card-v4 p {
    font-size: 0.88rem;
    color: var(--gray-600);
    margin: 0;
}

/* ============================================
   COUNTER V4
   ============================================ */
.counter-v4 {
    padding: 70px 0;
    background: var(--gradient-dark);
}

.counter-grid-v4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
    max-width: var(--max-width);
    margin: 0 auto;
}

.counter-num-wrap-v4 {
    margin-bottom: 8px;
}

.counter-num-v4, .counter-num-static-v4 {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--primary-light);
    line-height: 1;
}

.counter-suf-v4 {
    font-size: 2rem;
    color: rgba(255,255,255,0.3);
    font-weight: 600;
}

.counter-lbl-v4 {
    display: block;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 14px;
}

.counter-bar-v4 {
    height: 3px;
    background: rgba(255,255,255,0.08);
    border-radius: 2px;
    overflow: hidden;
    width: 80px;
    margin: 0 auto;
}

.counter-bar-fill-v4 {
    display: block;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 2s ease;
}

/* ============================================
   ABOUT V4
   ============================================ */
.about-v4 {
    padding: 90px 0;
    background: var(--white);
}

.about-grid-v4 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
}

.about-content-v4 h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--secondary);
    margin: 16px 0 18px;
}

.about-content-v4 p {
    color: var(--gray-600);
    line-height: 1.75;
    margin-bottom: 20px;
}

.about-checks-v4 {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.about-checks-v4 span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--secondary);
}

.about-checks-v4 .material-symbols-outlined {
    color: var(--primary);
}

.about-img-v4 {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-img-v4 img {
    width: 100%;
    height: 380px;
    object-fit: cover;
}

.about-badge-v4 {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: var(--shadow-teal);
}

/* ============================================
   FAQ V4 — НА ВСЮ ШИРИНУ
   ============================================ */
.faq-v4 {
    padding: 90px 0;
    background: var(--gray-50);
}

.faq-grid-v4 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.faq-card-v4 {
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: var(--transition);
}

.faq-card-v4:hover {
    border-color: rgba(3,163,152,0.2);
}

.faq-q-v4 {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 20px;
    background: none;
    border: none;
    font-family: var(--font);
    cursor: pointer;
    text-align: left;
}

.faq-q-icon-v4 {
    font-size: 1.4rem;
    color: var(--primary);
    flex-shrink: 0;
}

.faq-q-text-v4 {
    flex: 1;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--secondary);
}

.faq-arrow-v4 {
    font-size: 1.3rem;
    color: var(--primary);
    flex-shrink: 0;
    transition: transform 0.4s;
}

.faq-card-v4.active .faq-arrow-v4 {
    transform: rotate(45deg);
}

.faq-a-v4 {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s, padding 0.3s;
}

.faq-card-v4.active .faq-a-v4 {
    max-height: 200px;
    padding: 0 20px 18px 52px;
}

.faq-a-v4 p {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.7;
    margin: 0;
}

/* ============================================
   CTA V4
   ============================================ */
.cta-v4 {
    padding: 80px 0;
    background: var(--gradient-dark);
    text-align: center;
}

.cta-content-v4 {
    max-width: 600px;
    margin: 0 auto;
}

.cta-tag-v4 {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-light);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 18px;
}

.pulse-dot-v4 {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: dotPulse 1.5s infinite;
}

.cta-content-v4 h2 {
    font-size: 2.4rem;
    color: var(--white);
    margin-bottom: 14px;
}

.cta-content-v4 p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 26px;
}

.cta-actions-v4 {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   BLOG V4
   ============================================ */
.blog-v4 {
    padding: 90px 0;
    background: var(--white);
}

.blog-grid-v4 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.blog-card-v4 {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.blog-card-v4:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.blog-card-img-v4 {
    height: 180px;
    position: relative;
    overflow: hidden;
}

.blog-card-img-v4 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-img-ph-v4 {
    width: 100%;
    height: 100%;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-date-badge-v4 {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--white);
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.blog-card-body-v4 {
    padding: 18px 20px;
}

.blog-card-body-v4 h3 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.blog-card-body-v4 h3 a {
    color: var(--secondary);
    text-decoration: none;
}

.blog-card-body-v4 p {
    color: var(--gray-600);
    font-size: 0.85rem;
    margin-bottom: 10px;
}

.blog-link-v4 {
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
    .hero-inner-v4 { grid-template-columns: 1fr; text-align: center; }
    .hero-sub-v4 { margin: 0 auto 26px; }
    .hero-stats-v4 { justify-content: center; }
    .hero-actions-v4 { justify-content: center; }
    .hero-img-wrapper-v4 img { height: 320px; }
    .hero-float-card-v4 { display: none; }
    
    .services-grid-v4 { grid-template-columns: 1fr 1fr; }
    .cities-grid-v4 { grid-template-columns: repeat(2, 1fr); }
    .advantages-grid-v4 { grid-template-columns: 1fr 1fr; }
    .blog-grid-v4 { grid-template-columns: 1fr 1fr; }
    .counter-grid-v4 { grid-template-columns: 1fr 1fr; }
    .about-grid-v4 { grid-template-columns: 1fr; }
    .faq-grid-v4 { grid-template-columns: 1fr; max-width: 600px; }
}

@media (max-width: 768px) {
    .hero-premium-v4 { padding: 60px 0 50px; }
    .hero-title-v4 { font-size: 2.4rem; }
    .section-title-v4 { font-size: 2rem; }
    .services-grid-v4 { grid-template-columns: 1fr; max-width: 420px; }
    .advantages-grid-v4 { grid-template-columns: 1fr; max-width: 320px; }
    .blog-grid-v4 { grid-template-columns: 1fr; max-width: 420px; }
    .cta-content-v4 h2 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
    .hero-title-v4 { font-size: 1.8rem; }
    .hero-stats-v4 { flex-wrap: wrap; gap: 16px; }
    .cities-grid-v4 { grid-template-columns: 1fr; }
    .counter-grid-v4 { grid-template-columns: 1fr 1fr; }
    .counter-num-v4 { font-size: 2.4rem; }
    .faq-grid-v4 { grid-template-columns: 1fr; }
}