/* About Hero Section */
.about-hero {
    min-height: 60vh;
    position: relative;
    display: flex;
    align-items: center;
    padding: var(--space-xl) 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(15, 23, 42, 0.9) 0%,
        rgba(30, 41, 59, 0.8) 100%
    );
}

.particle-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    margin-bottom: var(--space-md);
    line-height: 1.2;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s var(--transition-normal) forwards;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s var(--transition-normal) 0.2s forwards;
}

/* Tech Stack */
.tech-stack {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-top: var(--space-xl);
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s var(--transition-normal) forwards;
}

.tech-item:nth-child(1) { animation-delay: 0.3s; }
.tech-item:nth-child(2) { animation-delay: 0.4s; }
.tech-item:nth-child(3) { animation-delay: 0.5s; }
.tech-item:nth-child(4) { animation-delay: 0.6s; }

.tech-item i {
    font-size: 2rem;
    color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.tech-item:hover i {
    transform: translateY(-5px) rotate(8deg);
    background: rgba(99, 102, 241, 0.2);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.tech-item span {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* About Section */
.about {
    padding: var(--space-xl) 0;
    background-color: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.big-title {
    font-size: clamp(4rem, 10vw, 8rem);
    line-height: 1;
    color: var(--accent-primary);
    opacity: 0.1;
    margin-bottom: var(--space-xl);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    position: relative;
}

.cards-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.text-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    justify-content: space-around;
    padding-left: var(--space-xl);
    border-left: 2px solid rgba(99, 102, 241, 0.1);
}

/* About Cards */
.about-card {
    background: rgba(30, 41, 59, 0.5);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(99, 102, 241, 0.1);
    transition: all var(--transition-normal);
}

.about-card {
    background: var(--bg-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.about-card:hover {
    transform: translateY(-5px);
}

.about-card:hover::before {
    opacity: 1;
}

.card-icon {
    font-size: 2rem;
    color: var(--accent-primary);
    margin-bottom: var(--space-md);
    position: relative;
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    position: relative;
}

.about-card p {
    color: var(--text-secondary);
    position: relative;
    line-height: 1.6;
}

/* Description Blocks */
.description-block {
    margin-bottom: var(--space-md);
    padding-left: var(--space-md);
    border-left: 2px solid var(--accent-primary);
    opacity: 0;
    transform: translateX(-20px);
}

.description-block.visible {
    animation: slideInLeft 0.6s var(--transition-normal) forwards;
}

/* Stats Container */
.stats-container {
    margin-top: var(--space-xl);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
}

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

.stat-circle {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-md);
}

.stat-svg {
    width: 120px;
    height: 120px;
    transform: rotate(-90deg);
}

.stat-circle-bg,
.stat-circle-progress {
    fill: none;
    stroke-width: 8;
    cx: 60;
    cy: 60;
    r: 54;
}

.stat-circle-bg {
    stroke: rgba(99, 102, 241, 0.1);
}

.stat-circle-progress {
    stroke: var(--accent-primary);
    stroke-dasharray: 339.292;
    stroke-dashoffset: 339.292;
    transition: stroke-dashoffset 2s ease;
}

.stat-number {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-top: var(--space-xs);
}

/* Values Section */
.values {
    padding: var(--space-xl) 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.value-card {
    background: var(--bg-primary);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.value-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-primary) 0%, transparent 400%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.value-card:hover {
    transform: translateY(-5px);
}

.value-card:hover::after {
    opacity: 0.1;
}

.value-icon {
    font-size: 2.5rem;
    color: var(--accent-primary);
    margin-bottom: var(--space-md);
    position: relative;
    z-index: 1;
}

.value-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    position: relative;
    z-index: 1;
}

.value-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes expandWidth {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .about-hero {
        min-height: 50vh;
    }

    .tech-stack {
        gap: var(--space-sm);
    }

    .tech-item i {
        width: 56px;
        height: 56px;
        font-size: 1.75rem;
    }
}

@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .text-column {
        padding-left: 0;
        border-left: none;
        border-top: 2px solid rgba(99, 102, 241, 0.1);
        padding-top: var(--space-xl);
    }

    .big-title {
        font-size: clamp(3rem, 8vw, 6rem);
        text-align: center;
    }
}

@media (max-width: 768px) {
    .about-hero {
        min-height: 40vh;
    }

    .hero-title {
        font-size: clamp(2rem, 6vw, 3rem);
    }

    .tech-item i {
        width: 48px;
        height: 48px;
        font-size: 1.5rem;
    }

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

    .big-title {
        font-size: clamp(2.5rem, 6vw, 4rem);
    }

    .cards-column {
        gap: var(--space-md);
    }

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

    .description-block {
        padding-left: var(--space-sm);
    }
}

@media (max-width: 480px) {
    .about-hero {
        min-height: 30vh;
    }

    .tech-stack {
        flex-wrap: wrap;
    }

    .tech-item {
        width: calc(50% - var(--space-sm));
    }

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

    .stat-circle {
        width: 100px;
        height: 100px;
    }

    .stat-svg {
        width: 100px;
        height: 100px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .value-card {
        padding: var(--space-md);
    }
}