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

body {
    font-family: 'Inter', sans-serif;
    background: #F9FAFC;
    color: #1E293B;
    line-height: 1.6;
}

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

/* ===== HEADER ===== */
header {
    background: #0A1628;
    padding: 16px 0;
    border-bottom: 2px solid #2DD4BF;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-size: 26px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 1px;
}
.logo span {
    color: #2DD4BF;
}

.nav-menu {
    display: flex;
    gap: 30px;
    list-style: none;
}
.nav-menu a {
    color: #CBD5E1;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: 0.3s;
}
.nav-menu a:hover,
.nav-menu a.active {
    color: #2DD4BF;
}

.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}
.burger span {
    width: 28px;
    height: 3px;
    background: #fff;
    margin: 4px 0;
    border-radius: 4px;
    transition: 0.3s;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 60px;
    font-weight: 700;
    text-decoration: none;
    transition: 0.3s;
    border: none;
    cursor: pointer;
    font-size: 16px;
}
.btn-primary {
    background: #2DD4BF;
    color: #0A1628;
}
.btn-primary:hover {
    background: #fff;
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(45, 212, 191, 0.4);
}
.btn-outline {
    background: transparent;
    border: 2px solid #2DD4BF;
    color: #fff;
    margin-left: 15px;
}
.btn-outline:hover {
    background: #2DD4BF;
    color: #0A1628;
}

/* ===== HERO ===== */
.hero {
    padding: 80px 0 70px;
    background: linear-gradient(135deg, #0A1628 0%, #162B44 100%);
    color: #fff;
    border-bottom: 3px solid #2DD4BF;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.hero h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
}
.hero h1 span {
    color: #2DD4BF;
}
.hero p {
    font-size: 18px;
    color: #B0C4DE;
    margin: 20px 0 30px;
    max-width: 500px;
}
.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.hero-visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.hero-badge {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 20px 25px;
    display: flex;
    align-items: center;
    gap: 16px;
}
.hero-badge span {
    font-size: 32px;
}
.hero-badge strong {
    display: block;
    font-size: 18px;
}
.hero-badge small {
    color: #94A3B8;
    font-size: 14px;
}

/* ===== SECTION TITLES ===== */
.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
}
.section-title span {
    color: #2DD4BF;
}

/* ===== FEATURES (Главная) ===== */
.features {
    padding: 70px 0;
    background: #fff;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}
.feature-card {
    background: #F1F5F9;
    padding: 30px 25px;
    border-radius: 20px;
    text-align: center;
    transition: 0.3s;
    border: 1px solid #E2E8F0;
}
.feature-card:hover {
    transform: translateY(-6px);
    border-color: #2DD4BF;
    box-shadow: 0 12px 30px rgba(45, 212, 191, 0.1);
}
.feature-card .icon {
    font-size: 40px;
    display: block;
    margin-bottom: 12px;
}
.feature-card h3 {
    font-size: 20px;
    margin-bottom: 8px;
}
.feature-card p {
    color: #64748B;
}

/* ===== PROJECTS CARDS ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}
.project-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid #E2E8F0;
    transition: 0.3s;
}
.project-card:hover {
    border-color: #2DD4BF;
    transform: translateY(-4px);
}
.project-preview {
    height: 160px;
    background: linear-gradient(145deg, #0A1628, #1E3A5F);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: #fff;
}
.project-info {
    padding: 20px;
}
.project-info h4 {
    font-size: 18px;
    margin-bottom: 6px;
}
.project-info p {
    color: #64748B;
    font-size: 14px;
}

/* ===== HOME PROJECTS SECTION ===== */
.home-projects {
    padding: 70px 0;
    background: #F8FAFC;
}

/* ===== SOCIAL BLOCK ===== */
.social-links {
    padding: 60px 0;
    background: #0A1628;
}
.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}
.social-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    color: #fff;
    text-decoration: none;
    transition: 0.3s;
    font-weight: 600;
}
.social-card:hover {
    background: rgba(45, 212, 191, 0.15);
    border-color: #2DD4BF;
}
.social-card span {
    display: block;
    font-size: 32px;
    margin-bottom: 8px;
}

/* ===== PAGE HERO (внутренние) ===== */
.page-hero {
    padding: 50px 0;
    background: #0A1628;
    color: #fff;
    border-bottom: 2px solid #2DD4BF;
}
.page-hero h1 {
    font-size: 40px;
}
.page-hero p {
    color: #94A3B8;
    font-size: 18px;
    margin-top: 6px;
}

/* ===== ABOUT PAGE ===== */
.about-full {
    padding: 60px 0;
}
.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
}
.about-text h2 {
    font-size: 28px;
    margin-bottom: 16px;
}
.about-text p {
    margin-bottom: 16px;
    color: #334155;
}
.about-volunteer {
    background: #E8F0FE;
    padding: 20px 24px;
    border-radius: 16px;
    border-left: 4px solid #2DD4BF;
}
.about-volunteer a {
    color: #0A1628;
    font-weight: 600;
}
.about-details {
    background: #F1F5F9;
    padding: 24px 28px;
    border-radius: 20px;
    border: 1px solid #E2E8F0;
}
.about-details h3 {
    margin-bottom: 16px;
}
.about-details p {
    padding: 8px 0;
    border-bottom: 1px solid #E2E8F0;
    display: flex;
    justify-content: space-between;
}
.about-details p:last-child {
    border-bottom: none;
}

/* ===== SERVICES PAGE ===== */
.services-full {
    padding: 60px 0;
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.service-item {
    background: #fff;
    border: 1px solid #E2E8F0;
    padding: 28px 24px;
    border-radius: 20px;
    transition: 0.3s;
}
.service-item:hover {
    border-color: #2DD4BF;
    box-shadow: 0 8px 24px rgba(45, 212, 191, 0.08);
}
.service-item .code {
    background: #E8F0FE;
    color: #0A1628;
    font-weight: 700;
    font-size: 13px;
    padding: 2px 14px;
    border-radius: 40px;
    display: inline-block;
    margin-bottom: 10px;
}
.service-item h3 {
    font-size: 20px;
    margin-bottom: 6px;
}
.service-item p {
    color: #64748B;
}

/* ===== CONTACTS PAGE ===== */
.contacts-full {
    padding: 60px 0;
}
.contacts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}
.contacts-info p {
    padding: 6px 0;
}
.contacts-info a {
    color: #2DD4BF;
    text-decoration: none;
}
.map-placeholder {
    background: #E2E8F0;
    height: 240px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748B;
    font-weight: 600;
    border: 2px dashed #94A3B8;
    margin-top: 12px;
}
.contact-form {
    margin-top: 50px;
    padding: 30px;
    background: #F1F5F9;
    border-radius: 24px;
}
.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.contact-form input,
.contact-form textarea {
    padding: 14px 18px;
    border: 1px solid #CBD5E1;
    border-radius: 12px;
    font-family: inherit;
    font-size: 16px;
    background: #fff;
}
.contact-form button {
    align-self: flex-start;
}

/* ===== FOOTER ===== */
footer {
    background: #0A1628;
    color: #94A3B8;
    padding: 24px 0;
    border-top: 1px solid #1E2F4A;
}
.footer-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-flex nav {
    display: flex;
    gap: 24px;
}
.footer-flex a {
    color: #94A3B8;
    text-decoration: none;
    transition: 0.3s;
}
.footer-flex a:hover {
    color: #2DD4BF;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .hero-grid,
    .about-grid,
    .contacts-grid {
        grid-template-columns: 1fr;
    }
    .hero h1 {
        font-size: 36px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 12px;
        padding: 20px 0;
        background: #0A1628;
    }
    .nav-menu.active {
        display: flex;
    }
    .burger {
        display: flex;
    }
    .hero h1 {
        font-size: 28px;
    }
    .section-title {
        font-size: 28px;
    }
    .btn-outline {
        margin-left: 0;
    }
    .footer-flex {
        flex-direction: column;
        text-align: center;
    }
}

/* ===== CONTACTS PAGE ===== */
.contacts-full {
    padding: 60px 0;
}

.contacts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.contacts-info h3,
.contacts-details h3 {
    font-size: 22px;
    margin-bottom: 16px;
    color: #0A1628;
}

.contacts-info p,
.contacts-details p {
    padding: 8px 0;
    border-bottom: 1px solid #E8F0FE;
    color: #1E293B;
}

.contacts-info p:last-child,
.contacts-details p:last-child {
    border-bottom: none;
}

.contacts-info a {
    color: #2DD4BF;
    text-decoration: none;
    font-weight: 600;
}
.contacts-info a:hover {
    text-decoration: underline;
}

.contacts-details p strong {
    color: #0A1628;
    min-width: 120px;
    display: inline-block;
}

/* Соцсети в контактах */
.contacts-social {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 2px solid #E8F0FE;
}

.contacts-social h3 {
    font-size: 22px;
    text-align: center;
    margin-bottom: 24px;
    color: #0A1628;
}

.contacts-social .social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    max-width: 700px;
    margin: 0 auto;
}

/* ===== RESPONSIVE для контактов ===== */
@media (max-width: 768px) {
    .contacts-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .contacts-details p strong {
        min-width: auto;
        display: block;
        margin-bottom: 2px;
    }
}