/* ==========================================================================
   ABOUT PAGE - "ЗА НАС"
   ==========================================================================

   Dependencies: This file requires homepage_sections/base.css to be loaded
   first (via the template) for --hp-* variables.

   Design: Magazine-inspired editorial layout with asymmetric compositions,
   dramatic typography, and atmospheric depth. Reuses the homepage dark
   theme for brand consistency.

   ========================================================================== */

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.about-hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--hp-bg-dark) 0%, var(--hp-bg-dark-surface) 50%, var(--hp-bg-dark) 100%);
    overflow: hidden;
    padding: 160px 0 100px;
}

.about-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--hp-border-subtle) 1px, transparent 1px),
        linear-gradient(90deg, var(--hp-border-subtle) 1px, transparent 1px);
    background-size: 100px 100px;
    opacity: 0.5;
    pointer-events: none;
}

.about-hero::after {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 80%;
    background: radial-gradient(ellipse at center, rgba(0, 157, 165, 0.12) 0%, transparent 70%);
    pointer-events: none;
    animation: about-glow-drift 20s ease-in-out infinite;
}

@keyframes about-glow-drift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-5%, 5%) scale(1.1); }
}

.about-hero-content {
    position: relative;
    z-index: 10;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--hp-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 32px;
}

.about-eyebrow::before {
    content: '';
    width: 40px;
    height: 2px;
    background: linear-gradient(135deg, var(--hp-accent) 0%, var(--hp-accent-light) 100%);
}

.about-hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.05;
    color: var(--hp-text-primary);
    margin-bottom: 32px;
    letter-spacing: -0.03em;
}

.about-hero-title .accent {
    display: block;
    background: linear-gradient(135deg, var(--hp-accent) 0%, var(--hp-accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--hp-text-secondary);
    max-width: 540px;
    margin-bottom: 48px;
}

.about-hero-stats {
    display: flex;
    gap: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--hp-border-subtle);
}

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

.about-stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--hp-text-primary);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.about-stat-value .suffix {
    font-size: 1.5rem;
    color: var(--hp-accent-light);
}

.about-stat-label {
    font-size: 0.8rem;
    color: var(--hp-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

/* Hero Visual */
.about-hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-visual-frame {
    position: relative;
    width: 100%;
    max-width: 520px;
}

.about-visual-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--hp-shadow-lg), 0 0 0 1px var(--hp-border-subtle);
    transform: perspective(1000px) rotateY(-5deg) rotateX(3deg);
    transition: transform 0.6s ease;
}

.about-visual-image:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.about-visual-image img,
.about-visual-image svg {
    width: 100%;
    height: auto;
    display: block;
}

.about-visual-card {
    position: absolute;
    bottom: -40px;
    left: -60px;
    background: rgba(22, 32, 34, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid var(--hp-border-visible);
    border-radius: var(--radius-lg);
    padding: 24px 32px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--hp-shadow-md);
    animation: about-card-float 6s ease-in-out infinite;
}

@keyframes about-card-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.about-visual-card-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--hp-accent) 0%, var(--hp-accent-light) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--hp-text-primary);
    font-size: 1.25rem;
}

.about-visual-card-text {
    color: var(--hp-text-primary);
}

.about-visual-card-text strong {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.about-visual-card-text span {
    font-size: 0.85rem;
    color: var(--hp-text-secondary);
}

/* ==========================================================================
   SHARED SECTION STYLES
   ========================================================================== */

.about-section-label {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--hp-accent);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 24px;
}

.about-section-label i {
    font-size: 0.875rem;
}

/* ==========================================================================
   MISSION SECTION
   ========================================================================== */

.about-mission {
    position: relative;
    background: var(--hp-bg-dark-elevated);
    padding: 140px 0;
    overflow: hidden;
}

.about-mission::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 1px;
    height: 100px;
    background: linear-gradient(to bottom, var(--hp-accent), transparent);
    transform: translateX(-50%);
}

.about-mission-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 100px;
    align-items: start;
}

.about-mission-left {
    position: sticky;
    top: 140px;
}

.about-mission-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--hp-text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.about-mission-intro {
    font-size: 1.125rem;
    line-height: 1.9;
    color: var(--hp-text-secondary);
}

.about-mission-right {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.about-mission-block {
    position: relative;
    padding: 40px;
    background: var(--hp-bg-dark-surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--hp-border-subtle);
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.about-mission-block:hover {
    border-color: rgba(0, 157, 165, 0.3);
    transform: translateX(8px);
}

.about-mission-block-number {
    position: absolute;
    top: -16px;
    left: 32px;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--hp-accent) 0%, var(--hp-accent-light) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--hp-text-primary);
}

.about-mission-block h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--hp-text-primary);
    margin-bottom: 16px;
}

.about-mission-block p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--hp-text-secondary);
}

/* ==========================================================================
   VALUES SECTION
   ========================================================================== */

.about-values {
    position: relative;
    background: var(--hp-bg-dark);
    padding: 140px 0;
}

.about-values-header {
    max-width: 1400px;
    margin: 0 auto 80px;
    padding: 0 40px;
    text-align: center;
}

.about-values-title {
    font-size: clamp(2.25rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--hp-text-primary);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.about-values-subtitle {
    font-size: 1.125rem;
    color: var(--hp-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.about-values-grid {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.about-value-card {
    position: relative;
    background: var(--hp-bg-dark-surface);
    border: 1px solid var(--hp-border-subtle);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    transition: border-color 0.4s ease, transform 0.4s ease, box-shadow 0.4s ease;
    overflow: hidden;
}

.about-value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--hp-accent) 0%, var(--hp-accent-light) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.about-value-card:hover {
    border-color: rgba(0, 157, 165, 0.3);
    transform: translateY(-8px);
    box-shadow: var(--hp-shadow-lg);
}

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

.about-value-card.featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-value-icon {
    width: 64px;
    height: 64px;
    background: rgba(0, 157, 165, 0.1);
    border: 1px solid rgba(0, 157, 165, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--hp-accent-light);
    margin-bottom: 28px;
    transition: background 0.3s ease, transform 0.3s ease;
}

.about-value-card:hover .about-value-icon {
    background: rgba(0, 157, 165, 0.2);
    transform: scale(1.1);
}

.about-value-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--hp-text-primary);
    margin-bottom: 16px;
}

.about-value-card p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--hp-text-secondary);
}

/* ==========================================================================
   STORY SECTION
   ========================================================================== */

.about-story {
    position: relative;
    background: var(--hp-bg-dark-elevated);
    padding: 140px 0;
    overflow: hidden;
}

.about-story-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 40px;
}

.about-story-header {
    text-align: center;
    margin-bottom: 80px;
}

.about-story-title {
    font-size: clamp(2.25rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--hp-text-primary);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.about-story-intro {
    font-size: 1.125rem;
    color: var(--hp-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

.about-timeline {
    position: relative;
}

.about-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--hp-accent) 10%, var(--hp-accent) 90%, transparent);
    transform: translateX(-50%);
}

.about-timeline-item {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    padding: 40px 0;
}

.about-timeline-item:nth-child(even) .about-timeline-content {
    grid-column: 2;
    text-align: left;
}

.about-timeline-item:nth-child(even) .about-timeline-year {
    grid-column: 1;
    grid-row: 1;
    text-align: right;
}

.about-timeline-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 16px;
    height: 16px;
    background: var(--hp-bg-dark);
    border: 3px solid var(--hp-accent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    box-shadow: var(--hp-shadow-glow);
}

.about-timeline-year {
    font-size: 4rem;
    font-weight: 800;
    color: var(--hp-border-visible);
    line-height: 1;
    align-self: center;
}

.about-timeline-content {
    align-self: center;
}

.about-timeline-content h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--hp-text-primary);
    margin-bottom: 12px;
}

.about-timeline-content p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--hp-text-secondary);
}

/* ==========================================================================
   TEAM SECTION
   ========================================================================== */

.about-team {
    position: relative;
    background: var(--hp-bg-dark);
    padding: 140px 0;
}

.about-team-header {
    max-width: 1400px;
    margin: 0 auto 80px;
    padding: 0 40px;
    text-align: center;
}

.about-team-title {
    font-size: clamp(2.25rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--hp-text-primary);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.about-team-subtitle {
    font-size: 1.125rem;
    color: var(--hp-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.about-team-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.about-team-member {
    position: relative;
    background: var(--hp-bg-dark-surface);
    border: 1px solid var(--hp-border-subtle);
    border-radius: var(--radius-xl);
    padding: 40px 32px;
    text-align: center;
    transition: border-color 0.4s ease, transform 0.4s ease, box-shadow 0.4s ease;
}

.about-team-member:hover {
    border-color: rgba(0, 157, 165, 0.3);
    transform: translateY(-8px);
    box-shadow: var(--hp-shadow-lg);
}

.about-team-avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(0, 157, 165, 0.2), rgba(64, 182, 197, 0.1));
    border: 2px solid rgba(0, 157, 165, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 2.5rem;
    color: var(--hp-accent-light);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.about-team-member:hover .about-team-avatar {
    transform: scale(1.1);
    border-color: var(--hp-accent);
}

.about-team-member h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--hp-text-primary);
    margin-bottom: 8px;
}

.about-team-role {
    font-size: 0.875rem;
    color: var(--hp-accent-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.about-team-member p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--hp-text-secondary);
}

/* ==========================================================================
   CTA SECTION
   ========================================================================== */

.about-cta {
    position: relative;
    background: var(--hp-bg-dark-elevated);
    padding: 120px 0;
    text-align: center;
    overflow: hidden;
}

.about-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 40% at 50% 100%, rgba(0, 157, 165, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.about-cta-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 40px;
}

.about-cta-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--hp-text-primary);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.about-cta-text {
    font-size: 1.125rem;
    color: var(--hp-text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.about-cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.about-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--hp-accent) 0%, var(--hp-accent-light) 100%);
    color: var(--hp-text-primary);
    padding: 18px 40px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: var(--hp-shadow-sm), var(--hp-shadow-glow);
}

.about-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--hp-shadow-md), 0 0 40px rgba(0, 157, 165, 0.4);
}

.about-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--hp-text-primary);
    padding: 18px 40px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: 1px solid var(--hp-border-visible);
    transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.about-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 1200px) {
    .about-hero-content,
    .about-mission-content {
        gap: 60px;
    }

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

    .about-value-card.featured {
        grid-column: span 2;
    }
}

@media (max-width: 992px) {
    .about-hero {
        min-height: auto;
        padding: 140px 0 80px;
    }

    .about-hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .about-hero-stats {
        justify-content: center;
    }

    .about-hero-visual {
        order: -1;
    }

    .about-visual-card {
        left: 50%;
        transform: translateX(-50%);
    }

    .about-mission-content {
        grid-template-columns: 1fr;
    }

    .about-mission-left {
        position: static;
        text-align: center;
    }

    .about-timeline::before {
        left: 24px;
    }

    .about-timeline-item {
        grid-template-columns: 1fr;
        gap: 16px;
        padding-left: 60px;
    }

    .about-timeline-item::before {
        left: 24px;
    }

    .about-timeline-item:nth-child(even) .about-timeline-content,
    .about-timeline-item:nth-child(even) .about-timeline-year {
        grid-column: 1;
        text-align: left;
    }

    .about-timeline-year {
        font-size: 2.5rem;
        order: -1;
    }

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

@media (max-width: 768px) {
    .about-hero {
        padding: 120px 0 60px;
    }

    .about-hero-content,
    .about-mission-content,
    .about-values-header,
    .about-values-grid,
    .about-story-content,
    .about-team-header,
    .about-team-grid,
    .about-cta-content {
        padding: 0 24px;
    }

    .about-hero-stats {
        flex-direction: column;
        gap: 24px;
        align-items: center;
    }

    .about-stat {
        text-align: center;
    }

    .about-visual-frame {
        max-width: 360px;
    }

    .about-visual-card {
        bottom: -30px;
        padding: 16px 24px;
    }

    .about-mission,
    .about-values,
    .about-story,
    .about-team,
    .about-cta {
        padding: 80px 0;
    }

    .about-values-grid,
    .about-value-card.featured {
        grid-template-columns: 1fr;
    }

    .about-value-card.featured {
        grid-column: span 1;
    }

    .about-team-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .about-cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-btn-primary,
    .about-btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .about-hero-title {
        font-size: 2.25rem;
    }

    .about-stat-value {
        font-size: 2rem;
    }

    .about-mission-title,
    .about-values-title,
    .about-story-title,
    .about-team-title,
    .about-cta-title {
        font-size: 1.75rem;
    }

    .about-value-card,
    .about-mission-block {
        padding: 32px 24px;
    }
}

/* ==========================================================================
   REDUCED MOTION
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .about-hero::after,
    .about-visual-card {
        animation: none;
    }

    .about-value-card,
    .about-mission-block,
    .about-team-member,
    .about-btn-primary,
    .about-btn-secondary,
    .about-visual-image,
    .about-value-icon,
    .about-team-avatar {
        transition: none;
    }

    .about-visual-image {
        transform: none;
    }

    .about-visual-image:hover {
        transform: none;
    }
}