/* ========================================
   BILLVATE ABOUT PAGE STYLES
   Enterprise-grade design system
   @author Stackvate Inc.
   ======================================== */

/* =================================
   ABOUT HERO SECTION
   ================================= */
.about-hero {
    position: relative;
    padding: 140px 0 100px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--primary) 100%);
    overflow: hidden;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(245, 158, 11, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(43, 88, 118, 0.3) 0%, transparent 40%),
        radial-gradient(ellipse at 60% 80%, rgba(245, 158, 11, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.about-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: rgba(255, 255, 255, 0.95);
    padding: 10px 20px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 28px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.about-hero-badge i {
    color: var(--accent);
}

.about-hero-title {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 24px;
}

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

.about-hero-subtitle {
    font-size: clamp(16px, 2.5vw, 22px);
    font-weight: 400;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    max-width: 650px;
    margin: 0 auto;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* =================================
   MISSION SECTION
   ================================= */
.about-mission {
    padding: 100px 0;
    background: var(--white);
}

.mission-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.mission-content {
    max-width: 540px;
}

.mission-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(30, 61, 82, 0.06);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(30, 61, 82, 0.1);
}

.mission-badge i {
    color: var(--accent);
}

.mission-title {
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 24px;
}

.mission-title span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mission-text {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.mission-text:last-of-type {
    margin-bottom: 0;
}

.mission-visual {
    position: relative;
}

.mission-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 24px;
    padding: 48px;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.mission-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.2) 0%, transparent 60%);
    pointer-events: none;
}

.mission-card-icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.mission-card-icon i {
    font-size: 28px;
    color: var(--accent);
}

.mission-card-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    position: relative;
}

.mission-card-text {
    font-size: 16px;
    opacity: 0.9;
    line-height: 1.6;
    position: relative;
}

/* =================================
   VALUES SECTION
   ================================= */
.about-values {
    padding: 100px 0;
    background: var(--gray-50);
}

.values-header {
    text-align: center;
    margin-bottom: 64px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.value-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px 32px;
    border: 1px solid var(--border);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

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

.value-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(30, 61, 82, 0.08) 0%, rgba(30, 61, 82, 0.04) 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: all var(--transition-base);
}

.value-card:hover .value-icon {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

.value-icon i {
    font-size: 24px;
    color: var(--primary);
    transition: color var(--transition-base);
}

.value-card:hover .value-icon i {
    color: #ffffff;
}

.value-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.value-text {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* =================================
   WHY BILLVATE SECTION
   ================================= */
.about-why {
    padding: 100px 0;
    background: var(--white);
}

.why-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
}

.why-content {
    position: sticky;
    top: 100px;
}

.why-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.why-item {
    display: flex;
    gap: 20px;
    padding: 28px;
    background: var(--gray-50);
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all var(--transition-base);
}

.why-item:hover {
    background: var(--white);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.why-item-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.why-item-icon i {
    font-size: 20px;
    color: #ffffff;
}

.why-item-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.why-item-content p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* =================================
   COMPANY INFO SECTION
   ================================= */
.about-company {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.company-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.company-info {
    background: var(--white);
    border-radius: 24px;
    padding: 48px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

.company-logo {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}

.company-logo-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.company-logo-icon i {
    font-size: 24px;
    color: #ffffff;
}

.company-logo-text {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.company-logo-text span {
    font-size: 0.6em;
    vertical-align: super;
    font-weight: 400;
}

.company-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.company-detail {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.company-detail-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: rgba(30, 61, 82, 0.06);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.company-detail-icon i {
    font-size: 16px;
    color: var(--primary);
}

.company-detail-content .detail-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.company-detail-content p {
    font-size: 15px;
    color: var(--text-primary);
    line-height: 1.5;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.company-stat {
    text-align: center;
    padding: 32px 24px;
    background: var(--white);
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: all var(--transition-base);
}

.company-stat:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.company-stat-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.company-stat-label {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

/* =================================
   CTA SECTION
   ================================= */
.about-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    position: relative;
    overflow: hidden;
}

.about-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(245, 158, 11, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.about-cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.about-cta-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.about-cta-text {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    margin-bottom: 40px;
}

.about-cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.about-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
}

.about-cta-btn.primary {
    background: #ffffff;
    color: var(--primary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.about-cta-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.about-cta-btn.secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.about-cta-btn.secondary:hover {
    border-color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.1);
}

.about-cta-btn i {
    transition: transform var(--transition-base);
}

.about-cta-btn:hover i {
    transform: translateX(4px);
}

.about-cta-note {
    margin-top: 24px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.about-cta-note i {
    margin-right: 8px;
    color: var(--accent);
}

/* =================================
   RESPONSIVE STYLES
   ================================= */

/* Container padding for all About sections */
.about-hero .container,
.about-mission .container,
.about-values .container,
.about-why .container,
.about-company .container,
.about-cta .container {
    padding: 0 24px;
}

/* Large Tablets / Small Desktops (1200px) */
@media (max-width: 1200px) {
    .mission-layout,
    .why-layout,
    .company-layout {
        gap: 60px;
    }

    .values-grid {
        gap: 24px;
    }
}

/* Tablets (992px) */
@media (max-width: 992px) {
    .about-hero {
        padding: 120px 0 80px;
    }

    .about-mission,
    .about-values,
    .about-why,
    .about-company,
    .about-cta {
        padding: 80px 0;
    }

    .mission-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .mission-content {
        max-width: 100%;
        text-align: center;
    }

    .mission-badge {
        margin: 0 auto 24px;
    }

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

    .why-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .why-content {
        position: static;
        text-align: center;
    }

    .company-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

/* Small Tablets (768px) */
@media (max-width: 768px) {
    .about-hero {
        padding: 100px 0 70px;
    }

    .about-hero-badge {
        padding: 8px 16px;
        font-size: 13px;
    }

    .about-mission,
    .about-values,
    .about-why,
    .about-company,
    .about-cta {
        padding: 70px 0;
    }

    .values-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .value-card {
        padding: 32px 24px;
    }

    .why-item {
        padding: 24px;
    }

    .company-info {
        padding: 32px;
    }

    .company-stats {
        gap: 16px;
    }

    .company-stat {
        padding: 24px 16px;
    }

    .company-stat-value {
        font-size: 28px;
    }

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

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

/* Mobile Large (576px) */
@media (max-width: 576px) {
    .about-hero {
        padding: 90px 0 60px;
    }

    .about-hero-badge {
        padding: 6px 14px;
        font-size: 12px;
    }

    .about-mission,
    .about-values,
    .about-why,
    .about-company,
    .about-cta {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .mission-card {
        padding: 32px 24px;
    }

    .mission-card-icon {
        width: 52px;
        height: 52px;
    }

    .value-card {
        padding: 28px 20px;
    }

    .value-icon {
        width: 48px;
        height: 48px;
    }

    .why-item {
        flex-direction: column;
        text-align: center;
        padding: 24px 20px;
    }

    .why-item-icon {
        margin: 0 auto;
    }

    .company-info {
        padding: 24px;
    }

    .company-logo {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .company-detail {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .company-detail-icon {
        margin: 0 auto;
    }

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

/* Mobile Small (480px) */
@media (max-width: 480px) {
    .about-hero {
        padding: 80px 0 50px;
    }

    .about-mission,
    .about-values,
    .about-why,
    .about-company,
    .about-cta {
        padding: 50px 0;
    }

    .mission-text {
        font-size: 16px;
    }

    .value-title {
        font-size: 18px;
    }

    .value-text {
        font-size: 14px;
    }

    .why-item-content h4 {
        font-size: 17px;
    }

    .why-item-content p {
        font-size: 14px;
    }

    .company-stat-value {
        font-size: 24px;
    }

    .company-stat-label {
        font-size: 13px;
    }

    .about-cta-btn {
        padding: 14px 24px;
        font-size: 15px;
    }
}

/* Mobile Extra Small (360px) */
@media (max-width: 360px) {
    .about-hero .container,
    .about-mission .container,
    .about-values .container,
    .about-why .container,
    .about-company .container,
    .about-cta .container {
        padding: 0 16px;
    }

    .about-hero {
        padding: 70px 0 45px;
    }

    .about-hero-title {
        font-size: 32px;
    }

    .about-hero-subtitle {
        font-size: 16px;
    }

    .about-mission,
    .about-values,
    .about-why,
    .about-company,
    .about-cta {
        padding: 45px 0;
    }

    .section-header {
        margin-bottom: 32px;
    }

    .section-title {
        font-size: 28px;
    }

    .section-subtitle {
        font-size: 15px;
    }

    .mission-title {
        font-size: 26px;
    }

    .mission-card {
        padding: 24px 18px;
    }

    .mission-card-title {
        font-size: 20px;
    }

    .mission-card-text {
        font-size: 14px;
    }

    .value-card {
        padding: 24px 16px;
    }

    .value-title {
        font-size: 17px;
    }

    .value-text {
        font-size: 13px;
    }

    .why-item {
        padding: 20px 16px;
    }

    .why-item-icon {
        width: 44px;
        height: 44px;
        min-width: 44px;
    }

    .why-item-icon i {
        font-size: 18px;
    }

    .why-item-content h4 {
        font-size: 16px;
    }

    .why-item-content p {
        font-size: 13px;
    }

    .company-info {
        padding: 20px;
    }

    .company-logo {
        padding-bottom: 20px;
        margin-bottom: 20px;
    }

    .company-logo-icon {
        width: 48px;
        height: 48px;
    }

    .company-logo-icon i {
        font-size: 20px;
    }

    .company-logo-text {
        font-size: 24px;
    }

    .company-detail-icon {
        width: 36px;
        height: 36px;
        min-width: 36px;
    }

    .company-detail-icon i {
        font-size: 14px;
    }

    .company-detail-content .detail-label {
        font-size: 11px;
    }

    .company-detail-content p {
        font-size: 14px;
    }

    .company-stat {
        padding: 20px 12px;
    }

    .company-stat-value {
        font-size: 22px;
    }

    .company-stat-label {
        font-size: 12px;
    }

    .about-cta-title {
        font-size: 26px;
    }

    .about-cta-text {
        font-size: 15px;
    }

    .about-cta-btn {
        padding: 12px 20px;
        font-size: 14px;
    }

    .about-cta-note {
        font-size: 12px;
    }
}

/* Touch-friendly improvements for mobile */
@media (hover: none) and (pointer: coarse) {
    .value-card:hover {
        transform: none;
        box-shadow: none;
        border-color: var(--border);
    }

    .value-card:hover::before {
        transform: scaleX(0);
    }

    .value-card:hover .value-icon {
        background: linear-gradient(135deg, rgba(30, 61, 82, 0.08) 0%, rgba(30, 61, 82, 0.04) 100%);
    }

    .value-card:hover .value-icon i {
        color: var(--primary);
    }

    .why-item:hover {
        background: var(--gray-50);
        border-color: var(--border);
        box-shadow: none;
    }

    .company-stat:hover {
        border-color: var(--border);
        box-shadow: none;
    }

    .about-cta-btn:hover {
        transform: none;
    }

    .about-cta-btn:hover i {
        transform: none;
    }

    /* Active states for touch devices */
    .value-card:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }

    .why-item:active {
        background: var(--white);
        border-color: var(--primary);
    }

    .about-cta-btn:active {
        transform: scale(0.98);
    }
}

/* Extra Small Devices (320px) */
@media (max-width: 320px) {
    .about-hero .container,
    .about-mission .container,
    .about-values .container,
    .about-why .container,
    .about-company .container,
    .about-cta .container {
        padding: 0 12px;
    }

    .about-hero {
        padding: 65px 0 40px;
    }

    .about-hero-badge {
        padding: 5px 12px;
        font-size: 11px;
        gap: 6px;
    }

    .about-hero-title {
        font-size: 28px;
    }

    .about-hero-subtitle {
        font-size: 15px;
    }

    .about-mission,
    .about-values,
    .about-why,
    .about-company,
    .about-cta {
        padding: 40px 0;
    }

    .section-title {
        font-size: 24px;
    }

    .mission-title {
        font-size: 24px;
    }

    .mission-card {
        padding: 20px 14px;
    }

    .value-card {
        padding: 20px 14px;
    }

    .why-item {
        padding: 18px 14px;
    }

    .company-info {
        padding: 16px;
    }

    .company-stat {
        padding: 16px 10px;
    }

    .about-cta-title {
        font-size: 24px;
    }

    .about-cta-btn {
        padding: 11px 18px;
        font-size: 13px;
        max-width: 100%;
    }
}