/* ========== ОБЩИЕ ПЕРЕМЕННЫЕ И БАЗА ========== */
:root {
    --primary-blue: #2648a0;
    --primary-green: #8cc63b;
    --primary-orange: #ec8703;
    --dark-bg: #1a2a4a;
    --text-dark: #1a2a3e;
    --text-gray: #4a5a6e;
    --bg-light: #f5f7fc;
    --white: #ffffff;
    --border-radius: 1.5rem;
    --border-radius-sm: 1rem;
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 12px 30px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


.solar-main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* ========== GRID СИСТЕМА ========== */
.grid-2cols {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.grid-3cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.grid-4cols {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.grid-5cols {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
}

/* ========== ТИПОГРАФИКА ========== */
.section-title {
    font-size: 1.8rem; /* ~25px */
    font-weight: 700;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
    color: var(--primary-blue);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--primary-green);
    border-radius: 4px;
}

h1 {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

h3 {
    font-size: 1.25rem;
}

h4 {
    font-size: 1rem;
}

p, li, span, a, div {
    font-size: 1rem; /* 14px базовый */
}

/* ========== HERO БЛОК ========== */
.hero {
    background: linear-gradient(135deg, var(--white) 0%, #eef3e6 100%);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    margin-bottom: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    background: rgba(140, 198, 59, 0.15);
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.3rem 1rem;
    border-radius: 30px;
    margin-bottom: 1rem;
}

.hero-desc {
    font-size: 1rem;
    color: #2c3e4e;
    border-left: 4px solid var(--primary-green);
    padding-left: 1.2rem;
    margin-top: 0.5rem;
}

.stats-grid {
    background: var(--white);
    border-radius: var(--border-radius-sm);
    padding: 1.5rem;
    gap: 1.2rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: rgba(140, 198, 59, 0.12);
    border-radius: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

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

.stat-text strong {
    font-size: 1rem;
    font-weight: 800;
    color: var(--primary-blue);
}

.stat-text span {
    font-size: 0.75rem;
    color: var(--text-gray);
}

/* ========== КАРТОЧКИ ПРЕИМУЩЕСТВ ========== */
.benefit-card {
    background: var(--white);
    border-radius: var(--border-radius-sm);
    padding: 1.6rem;
    transition: var(--transition);
    border: 1px solid #e9edf2;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-green);
}

.benefit-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.benefit-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--primary-blue);
}

.benefit-card p {
    color: var(--text-gray);
    line-height: 1.45;
    font-size:1rem;
}

/* ========== УСЛУГИ ========== */
.services-wrapper {
    background: var(--white);
    border-radius: var(--border-radius-sm);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.services-lead {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-blue);
    font-size: 1rem;
}

.services-list {
    margin: 1.5rem 0;
}

.service-item {
    padding: 0.6rem 0;
    border-bottom: 1px dashed #e2e8f0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}

.service-item::before {
    content: "⚡";
    color: var(--primary-green);
    font-size: 1rem;
}

.services-note {
    background: rgba(140, 198, 59, 0.08);
    border-radius: 1rem;
    padding: 0.8rem 1.2rem;
    margin-top: 1rem;
    font-size: 1rem;
    color: var(--primary-blue);
}

.services-note strong {
    color: var(--primary-orange);
}

/* ========== РЕШЕНИЯ (С ИЗОБРАЖЕНИЯМИ) ========== */
.tech-card {
    background: var(--white);
    border-radius: var(--border-radius-sm);
    text-align: center;
    padding: 2rem 1rem;
    transition: var(--transition);
    border: 1px solid #EFF3F8;
}

.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-green);
}

.tech-img {
    width: 80px;
    height: 80px;
    margin-bottom: 1rem;
    object-fit: contain;
}

.tech-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary-blue);
}

.tech-card p {
    font-size: 1rem;
    color: var(--text-gray);
}

/* ========== ГАРАНТИИ ========== */
.quality {
    margin: 2rem 0;
}

.quality-grid {
    background: linear-gradient(135deg, #ffffff 0%, #f8fff0 100%);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(140, 198, 59, 0.2);
}

.quality-secondary {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid rgba(140, 198, 59, 0.3);
    gap: 1.5rem;
}

.quality-item {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.quality-icon {
    font-size: 2rem;
}

.quality-title {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--primary-blue);
}

.quality-desc {
    font-size: 0.75rem;
    color: var(--text-gray);
}

/* ========== ЭТАПЫ ========== */
.step {
    background: var(--white);
    border-radius: var(--border-radius-sm);
    padding: 1.5rem;
    border-left: 5px solid var(--primary-green);
    box-shadow: var(--shadow-sm);
}

.step-num {
    font-weight: 800;
    font-size: 0.8rem;
    color: var(--primary-orange);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.step h4 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    color: var(--primary-blue);
}

.step p {
    font-size: 1rem;
    color: var(--text-gray);
}

/* ========== CTA БАННЕРЫ ========== */
.cta-banner {
    background: linear-gradient(135deg, #eef3e6 0%, #ffffff 100%);
    border-radius: var(--border-radius);
    padding: 2rem;
    align-items: center;
    margin: 2rem 0;
    border: 1px solid rgba(140, 198, 59, 0.3);
}

.cta-text h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--primary-blue);
}

.cta-text p {
    font-size: 0.875rem;
    color: var(--text-gray);
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 60px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 0.875rem;
}

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

.btn-dark:hover {
    background: #1d3a7a;
    transform: scale(1.02);
}

.btn-accent {
    background: var(--primary-orange);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(236, 135, 3, 0.3);
}

.btn-accent:hover {
    background: #d47a02;
    transform: scale(1.02);
}

.final-cta {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #1d3a7a 100%);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    text-align: center;
    color: var(--white);
    margin: 2rem 0;
}

.final-cta h3 {
    font-size: 1.6rem;
    margin-bottom: 0.8rem;
}

.final-cta p {
    font-size: 0.875rem;
    opacity: 0.95;
}

.final-cta .btn-accent {
    margin-top: 1.2rem;
    background: var(--primary-orange);
}

.cta-hint {
    margin-top: 1rem;
    font-size: 0.75rem;
    opacity: 0.8;
}

/* ========== ТЕГИ ========== */
.extra-tags {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 2rem 0 1rem;
}

.tag {
    background: var(--white);
    border-radius: 60px;
    padding: 0.4rem 1.2rem;
    font-size: 0.95rem;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    color: var(--primary-blue);
    border: 1px solid rgba(38, 72, 160, 0.15);
}

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

/* ========== АДАПТИВНОСТЬ ========== */
@media (max-width: 1024px) {
    .grid-4cols {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-5cols {
        grid-template-columns: repeat(2, 1fr);
    }
    .solar-main {
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .grid-2cols, .grid-3cols, .grid-4cols, .grid-5cols {
        grid-template-columns: 1fr;
    }

    .hero {
        grid-template-columns: 1fr;
        padding: 1.5rem;
    }

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

    h1 {
        font-size: 1.6rem;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .cta-banner {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .quality-grid {
        gap: 1rem;
    }

    .step {
        padding: 1rem;
    }

    .final-cta h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .solar-main {
        padding: 1rem;
    }

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

    .hero-stats .stat-item {
        text-align: center;
    }

    .tech-img {
        width: 60px;
        height: 60px;
    }

    .final-cta h3 {
        font-size: 1.2rem;
    }

    .btn {
        padding: 0.7rem 1.5rem;
        font-size: 0.8rem;
    }
}