/* ========================================
   Copeek About Page - Premium Styles
   ======================================== */

/* About Hero */
.about-hero {
    position: relative;
    padding: calc(80px + var(--space-20)) 0 var(--space-16);
    overflow: hidden;
}

.about-hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.about-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}

.about-orb-1 {
    width: 600px;
    height: 600px;
    background: var(--color-primary);
    top: -200px;
    right: -100px;
    opacity: 0.12;
}

.about-orb-2 {
    width: 400px;
    height: 400px;
    background: #667EEA;
    bottom: -100px;
    left: -100px;
    opacity: 0.08;
}

.about-hero-content {
    max-width: 800px;
}

.about-hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-6);
}

.about-hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: var(--color-gray-400);
    line-height: 1.8;
    max-width: 700px;
}

/* Mission Section */
.mission-section {
    padding: var(--space-16) 0;
}

.mission-card {
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.05) 0%, rgba(102, 126, 234, 0.03) 100%);
    border: 1px solid rgba(78, 205, 196, 0.15);
    border-radius: var(--radius-xl);
    padding: var(--space-12);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.mission-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.mission-icon {
    color: var(--color-primary);
    margin-bottom: var(--space-8);
    display: inline-block;
}

.mission-quote {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 3vw, 1.75rem);
    font-weight: 500;
    line-height: 1.5;
    color: var(--color-white);
    max-width: 800px;
    margin: 0 auto var(--space-6);
    font-style: normal;
}

.mission-text {
    font-size: 1.1rem;
    color: var(--color-gray-400);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Why Section */
.why-section {
    padding: var(--space-20) 0;
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.why-content .section-title {
    margin-bottom: var(--space-8);
}

.why-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.why-text p {
    color: var(--color-gray-400);
    line-height: 1.8;
    font-size: 1.05rem;
}

/* Why Diagram */
.why-visual {
    display: flex;
    justify-content: center;
}

.why-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-8);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    min-width: 300px;
}

.diagram-layer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
}

.layer-label {
    font-size: 0.75rem;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.layer-nodes {
    display: flex;
    gap: var(--space-3);
}

.layer-nodes span {
    width: 12px;
    height: 12px;
    background: var(--color-gray-600);
    border-radius: 50%;
    animation: nodePulse 3s ease-in-out infinite;
}

.layer-nodes span:nth-child(2) {
    animation-delay: 0.3s;
}

.layer-nodes span:nth-child(3) {
    animation-delay: 0.6s;
}

.layer-nodes span:nth-child(4) {
    animation-delay: 0.9s;
}

.layer-nodes span:nth-child(5) {
    animation-delay: 1.2s;
}

@keyframes nodePulse {

    0%,
    100% {
        opacity: 0.4;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

.diagram-arrows {
    width: 100px;
    height: 60px;
    color: var(--color-primary);
}

.diagram-arrows-down {
    height: 40px;
}

.layer-core {
    position: relative;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), #667EEA);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.core-pulse {
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
    opacity: 0;
    animation: corePulse 2s ease-out infinite;
}

@keyframes corePulse {
    0% {
        transform: scale(0.8);
        opacity: 0.8;
    }

    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.layer-output {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: var(--space-3);
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-md);
    min-width: 150px;
}

.output-line {
    height: 8px;
    background: linear-gradient(90deg, var(--color-gray-600), transparent);
    border-radius: 4px;
}

.output-line.short {
    width: 60%;
}

/* Research Section */
.research-section {
    padding: var(--space-20) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(78, 205, 196, 0.02) 50%, transparent 100%);
}

.research-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.research-principles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

.principle-card {
    padding: var(--space-8);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.principle-card:hover {
    border-color: rgba(78, 205, 196, 0.2);
    transform: translateY(-4px);
}

.principle-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), #667EEA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-4);
}

.principle-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.principle-desc {
    color: var(--color-gray-400);
    line-height: 1.7;
}

.research-statement {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    padding: var(--space-8);
    border-left: 3px solid var(--color-primary);
    background: rgba(78, 205, 196, 0.03);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.research-statement p {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-gray-200);
    margin: 0;
}

/* Founders Section */
.founders-section {
    padding: var(--space-20) 0;
}

.founders-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.founders-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.founder-card {
    padding: var(--space-8);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.founder-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.founder-card:hover {
    border-color: rgba(78, 205, 196, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.founder-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    position: relative;
}

.founder-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.15) 0%, rgba(102, 126, 234, 0.1) 100%);
    border: 1px solid rgba(78, 205, 196, 0.25);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.founder-title {
    flex: 1;
}

.founder-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-1);
    line-height: 1.2;
}

.founder-role {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--color-primary);
    font-weight: 500;
    padding: var(--space-1) var(--space-3);
    background: rgba(78, 205, 196, 0.1);
    border-radius: var(--radius-full);
}

.founder-bio {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    position: relative;
}

.founder-bio p {
    color: var(--color-gray-400);
    line-height: 1.8;
    font-size: 0.95rem;
}

.founder-bio strong {
    color: var(--color-primary);
    font-weight: 600;
}

.founder-focus {
    color: var(--color-gray-200) !important;
    padding: var(--space-4);
    background: rgba(78, 205, 196, 0.05);
    border-left: 3px solid var(--color-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin-top: var(--space-2);
}

.founder-expertise {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.expertise-tag {
    padding: var(--space-1) var(--space-3);
    background: rgba(78, 205, 196, 0.1);
    border: 1px solid rgba(78, 205, 196, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    color: var(--color-primary);
    font-weight: 500;
}

/* Credentials Section */
.credentials-section {
    padding: var(--space-12) 0;
}

.credentials-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-12);
    padding: var(--space-8);
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.05) 0%, rgba(102, 126, 234, 0.03) 100%);
    border: 1px solid rgba(78, 205, 196, 0.1);
    border-radius: var(--radius-xl);
}

.credential {
    text-align: center;
}

.credential-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.credential-label {
    font-size: 0.85rem;
    color: var(--color-gray-400);
}

.credential-divider {
    width: 1px;
    height: 50px;
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

/* About CTA Section */
.about-cta-section {
    position: relative;
    padding: var(--space-20) 0;
    overflow: hidden;
}

.about-cta-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.08) 0%, rgba(102, 126, 234, 0.05) 100%);
}

.about-cta-content {
    position: relative;
    text-align: center;
}

.about-cta-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.about-cta-subtitle {
    font-size: 1.2rem;
    color: var(--color-gray-400);
    margin-bottom: var(--space-8);
}

.about-cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Nav Active State */
.nav-link.active {
    color: var(--color-primary);
}

/* Responsive */
@media (max-width: 1024px) {
    .why-grid {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .research-principles {
        grid-template-columns: 1fr;
    }

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

    .credentials-bar {
        flex-wrap: wrap;
        gap: var(--space-8);
    }

    .credential-divider {
        display: none;
    }
}

@media (max-width: 768px) {
    .about-hero {
        padding: calc(80px + var(--space-12)) 0 var(--space-12);
    }

    .mission-card {
        padding: var(--space-8);
    }

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

    .about-cta-buttons .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}