/* ===================================
   ABOUT.CSS - СЕКЦИЯ О КОМПАНИИ
   =================================== */

/* ===================================
   1. ОСНОВНАЯ СЕКЦИЯ
   =================================== */
.about {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-dark);
    position: relative;
    overflow: hidden;
}

/* Фоновые элементы */
.about::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-gold-light) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.about::after {
    content: '';
    position: absolute;
    bottom: -40%;
    right: -15%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, var(--color-primary-light) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* ===================================
   2. ЗАГОЛОВОК СЕКЦИИ
   =================================== */
.about__header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    position: relative;
    z-index: 1;
}

.about__badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: var(--color-gold-light);
    border: 2px solid rgba(255, 107, 0, 0.3);
    border-radius: var(--radius-full);
    color: var(--color-gold);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.about__badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shine 3s infinite;
}

.about__badge svg {
    display: block;
}

/* ===================================
   3. ОСНОВНОЙ КОНТЕНТ
   =================================== */
.about__content {
    position: relative;
    z-index: 1;
}

/* ===================================
   4. HERO БЛОК
   =================================== */
.about__hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-2xl);
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.about__hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-gold);
}

.about__hero-text h2 {
    font-family: var(--font-secondary);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about__hero-text .lead {
    font-size: 18px;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.about__hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.about__stat {
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.about__stat:hover {
    background: var(--color-primary-light);
    border-color: rgba(0, 166, 232, 0.3);
    transform: translateY(-4px);
}

.about__stat-number {
    font-family: var(--font-secondary);
    font-size: 40px;
    font-weight: 800;
    line-height: 1;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    display: block;
}

.about__stat-label {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.about__hero-image {
    position: relative;
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--color-border);
    background: linear-gradient(135deg, var(--color-surface-elevated) 0%, var(--color-surface) 100%);
}

.about__hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.about__hero-image:hover img {
    transform: scale(1.05);
}

.about__hero-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 166, 232, 0.1) 0%, transparent 100%);
    pointer-events: none;
    z-index: 1;
}

/* Заглушка для изображения */
.about__hero-image::after {
    content: 'HOLODOK';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-secondary);
    font-size: 48px;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.1);
    z-index: 0;
}

/* ===================================
   5. ПРЕИМУЩЕСТВА
   =================================== */
.about__advantages {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.advantage-card {
    padding: var(--spacing-lg);
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.advantage-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-colored);
}

.advantage-card__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    border: 2px solid rgba(0, 166, 232, 0.2);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    transition: all 0.3s ease;
}

.advantage-card__icon svg {
    width: 32px;
    height: 32px;
    display: block;
}

.advantage-card:hover .advantage-card__icon {
    background: rgba(0, 166, 232, 0.2);
    border-color: var(--color-primary);
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 0 24px rgba(0, 166, 232, 0.3);
}

.advantage-card__title {
    font-family: var(--font-secondary);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.advantage-card__desc {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ===================================
   6. БЛОК "КАК МЫ РАБОТАЕМ"
   =================================== */
.about__process {
    margin-bottom: var(--spacing-3xl);
}

.about__process-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.about__process-header h2 {
    font-family: var(--font-secondary);
    font-size: clamp(32px, 4vw, 42px);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.about__process-header p {
    font-size: 16px;
    color: var(--color-text-secondary);
    max-width: 720px;
    margin: 0 auto;
}

.about__steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    position: relative;
}

/* Линия между шагами */
.about__steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg,
    var(--color-primary) 0%,
    var(--color-primary) 25%,
    var(--color-gold) 50%,
    var(--color-primary) 75%,
    var(--color-primary) 100%
    );
    z-index: 0;
}

.step-card {
    position: relative;
    text-align: center;
    z-index: 1;
}

.step-card__number {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border: 4px solid var(--color-primary);
    border-radius: 50%;
    font-family: var(--font-secondary);
    font-size: 32px;
    font-weight: 800;
    color: var(--color-primary);
    position: relative;
    transition: all 0.3s ease;
}

.step-card:hover .step-card__number {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 30px rgba(0, 166, 232, 0.5);
}

.step-card:nth-child(3) .step-card__number {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

.step-card:nth-child(3):hover .step-card__number {
    box-shadow: 0 0 30px rgba(255, 107, 0, 0.5);
}

.step-card__title {
    font-family: var(--font-secondary);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 8px;
    line-height: 1.3;
}

.step-card__desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ===================================
   7. КОМАНДА
   =================================== */
.about__team {
    margin-bottom: var(--spacing-3xl);
}

.about__team-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.about__team-header h2 {
    font-family: var(--font-secondary);
    font-size: clamp(32px, 4vw, 42px);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.about__team-header p {
    font-size: 16px;
    color: var(--color-text-secondary);
    max-width: 720px;
    margin: 0 auto;
}

.about__team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.team-card {
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.team-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.team-card:hover::before {
    transform: scaleX(1);
}

.team-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-colored);
}

.team-card__image {
    position: relative;
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, var(--color-surface-elevated) 0%, var(--color-surface) 100%);
    overflow: hidden;
}

.team-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.team-card:hover .team-card__image img {
    transform: scale(1.08);
}

/* Заглушка */
.team-card__image::after {
    content: attr(data-initials);
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-secondary);
    font-size: 64px;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.1);
}

.team-card__info {
    padding: var(--spacing-lg);
}

.team-card__name {
    font-family: var(--font-secondary);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 4px;
    line-height: 1.3;
}

.team-card__position {
    font-size: 14px;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.team-card__desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ===================================
   8. СЕРТИФИКАТЫ И ПАРТНЁРЫ
   =================================== */
.about__certificates {
    padding: var(--spacing-2xl);
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.about__certificates::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-gold);
}

.about__certificates-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.about__certificates-header h2 {
    font-family: var(--font-secondary);
    font-size: clamp(28px, 3vw, 36px);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.about__certificates-header p {
    font-size: 15px;
    color: var(--color-text-secondary);
    margin: 0;
}

.about__certificates-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
}

.certificate-item {
    aspect-ratio: 1;
    background: rgba(255, 255, 255, 0.02);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.certificate-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.certificate-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-colored);
}

.certificate-item:hover::before {
    opacity: 0.1;
}

.certificate-item img {
    width: 80%;
    height: 80%;
    object-fit: contain;
    display: block;
    position: relative;
    z-index: 1;
    filter: grayscale(1) brightness(0.8);
    transition: filter 0.3s ease;
}

.certificate-item:hover img {
    filter: grayscale(0) brightness(1);
}

/* Заглушка */
.certificate-item::after {
    content: attr(data-label);
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-secondary);
    font-size: 14px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.2);
    text-align: center;
    padding: 10px;
    line-height: 1.3;
}

/* ===================================
   9. CTA БЛОК
   =================================== */
.about__cta {
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-2xl);
    background: var(--gradient-overlay);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.about__cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-gold);
}

.about__cta h2 {
    font-family: var(--font-secondary);
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.about__cta p {
    font-size: 17px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.about__cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ===================================
   10. АДАПТИВНОСТЬ
   =================================== */

/* 1200px */
@media (max-width: 1200px) {
    .about__hero {
        gap: var(--spacing-xl);
        padding: var(--spacing-xl);
    }

    .about__hero-image {
        height: 360px;
    }

    .about__advantages {
        gap: var(--spacing-md);
    }

    .about__steps {
        gap: var(--spacing-md);
    }

    .step-card__number {
        width: 72px;
        height: 72px;
        font-size: 28px;
    }

    .about__team-grid {
        gap: var(--spacing-md);
    }

    .team-card__image {
        height: 260px;
    }

    .about__certificates-grid {
        gap: var(--spacing-sm);
    }
}

/* 992px */
@media (max-width: 992px) {
    .about {
        padding: var(--spacing-2xl) 0;
    }

    .about__hero {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .about__hero-image {
        height: 320px;
    }

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

    .about__steps {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }

    .about__steps::before {
        display: none;
    }

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

    .about__certificates-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* 768px */
@media (max-width: 768px) {
    .about__hero {
        padding: var(--spacing-lg);
    }

    .about__hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .about__hero-image {
        height: 280px;
    }

    .about__advantages {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .about__steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .step-card__number {
        width: 64px;
        height: 64px;
        font-size: 24px;
    }

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

    .team-card__image {
        height: 300px;
    }

    .about__certificates {
        padding: var(--spacing-lg);
    }

    .about__certificates-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .about__cta {
        padding: var(--spacing-lg);
    }

    .about__cta-actions {
        flex-direction: column;
        width: 100%;
    }

    .about__cta-actions .btn {
        width: 100%;
    }
}

/* 480px */
@media (max-width: 480px) {
    .about__hero {
        padding: var(--spacing-md);
    }

    .about__hero-image {
        height: 240px;
    }

    .about__hero-image::after {
        font-size: 32px;
    }

    .advantage-card {
        padding: var(--spacing-md);
    }

    .advantage-card__icon {
        width: 56px;
        height: 56px;
    }

    .advantage-card__icon svg {
        width: 28px;
        height: 28px;
    }

    .step-card__number {
        width: 56px;
        height: 56px;
        font-size: 22px;
        border-width: 3px;
    }

    .team-card__image {
        height: 260px;
    }

    .team-card__image::after {
        font-size: 48px;
    }

    .team-card__info {
        padding: var(--spacing-md);
    }

    .about__certificates {
        padding: var(--spacing-md);
    }

    .about__certificates-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .certificate-item::after {
        font-size: 12px;
    }

    .about__cta {
        padding: var(--spacing-md);
    }
}

/* ===================================
   11. АНИМАЦИИ
   =================================== */
@media (prefers-reduced-motion: no-preference) {
    .advantage-card,
    .step-card,
    .team-card,
    .certificate-item {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.6s ease forwards;
    }

    .advantage-card:nth-child(1) { animation-delay: 0.1s; }
    .advantage-card:nth-child(2) { animation-delay: 0.2s; }
    .advantage-card:nth-child(3) { animation-delay: 0.3s; }

    .step-card:nth-child(1) { animation-delay: 0.1s; }
    .step-card:nth-child(2) { animation-delay: 0.2s; }
    .step-card:nth-child(3) { animation-delay: 0.3s; }
    .step-card:nth-child(4) { animation-delay: 0.4s; }

    .team-card:nth-child(1) { animation-delay: 0.1s; }
    .team-card:nth-child(2) { animation-delay: 0.2s; }
    .team-card:nth-child(3) { animation-delay: 0.3s; }

    @keyframes fadeInUp {
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* ===================================
   12. ACCESSIBILITY
   =================================== */
.advantage-card:focus-visible,
.step-card:focus-visible,
.team-card:focus-visible,
.certificate-item:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

@media (prefers-contrast: more) {
    .about__hero,
    .advantage-card,
    .team-card,
    .certificate-item,
    .about__certificates,
    .about__cta {
        border-width: 3px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===================================
   КОНЕЦ ABOUT.CSS
   =================================== */