:root {
    --accent: #2ea1ff;
    --accent-dark: #3498FF;
    --text: #ffffff;
    --muted: rgba(255, 255, 255, 0.9);
    --bg-height-desktop: 520px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Montserrat, Montserrat;
}

body {
    background: #fff
}

h2 {
    font-size: 40px;
    margin-bottom: 20px;
    font-weight: 600;
}

h3 {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 20px;
}

/* HERO */
.hero {
    position: relative;
    min-height: clamp(420px, 60vh, var(--bg-height-desktop));
    background-image: url("../images/about/about_banner.png");
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    text-align: center;
    padding: 48px 24px;
    overflow: visible;
}


.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(9, 30, 43, 0.55) 0%, rgba(9, 30, 43, 0.35) 50%, rgba(9, 30, 43, 0.1) 100%);
    z-index: 0;
}

.hero-inner {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    width: 100%;
    padding: 10px 20px;
}

.kicker {
    display: block;
    letter-spacing: 0.02em;
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text);
}

.hero-title {
    font-size: clamp(36px, 4.5vw, 56px);
    margin: 0 0 50px 0;
    line-height: 1.05;
    font-weight: 800;
    color: var(--text);
}

.hero-desc {
    margin: 0 auto;
    font-size: clamp(14px, 1.6vw, 16px);
    max-width: 820px;
    color: var(--muted);
    line-height: 1.7;
}


.hero-bottom-space {
    position: relative;
    height: 120px;
    background: transparent;
}


.stats-wrap {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -85px;
    width: min(1200px, calc(100% - 48px));
    background: var(--accent-dark);
    border-radius: 20px;
    padding: 50px 28px;
    z-index: 3;
}


.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px 24px;
    align-items: center;
    text-align: center;
}

.stat-item {
    padding: 8px 10px;
    height: 80px;
}

.stat-number {
    font-weight: 600;
    font-size: clamp(28px, 2.6vw, 34px);
    line-height: 1;
    margin-bottom: 8px;
    color: var(--text);
}

.stat-label {
    font-size: 14px;
    opacity: 0.95;
    color: var(--text);
}


.stat-sep {
    display: block;
    height: 56px;
    width: 1px;
    background: rgba(255, 255, 255, 0.14);
    margin: 0 6px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.mission {
    background: url("../images/about/about_mission.png") no-repeat center/cover;
    color: white;
    padding: 3rem;
    border-radius: 20px;
    margin: 8rem 0rem 0rem 0rem;
    text-align: center;
}

.mission p {
    max-width: 600px;
    line-height: 28px;
    margin: 0 auto;
    font-size: 16px;
    margin: 0 auto 18px;
}

.products {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    margin-bottom: 80px;
}

.products p {
    font-size: 16px;
    line-height: 28px;
    color: #000000;
    padding: 0 20px;
}

.products_dec {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.product-card {
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    flex: 1;
    min-width: 250px;
    max-width: 390px;
}

.product-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    margin: 2rem auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.bg-blue {
    background-color: #EBF4FC;
}

.bg-purple {
    background-color: #F4F3FF;
}

.bg-red {
    background-color: #FFF1F1;
}

.icon-blue {
    background: url("../images/about/about_tools.png") no-repeat center/cover;
}

.icon-purple {
    background: url("../images/about/about_studio.png") no-repeat center/cover;
}

.icon-red {
    background: url("../images/about/about_pdf.png") no-repeat center/cover;
}


.core-values {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 0px;
}

.core-values h2 {
    text-align: center;
    font-size: clamp(30px, 5vw, 36px);
    margin-bottom: 40px;
    font-weight: bold;
}


.values-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;

}


.value-card {
    flex: 1 1 300px;

    background-color: #f9f9f9;
    padding: 50px 30px 80px 30px;
    border-radius: 20px;
}


.values-container .value-card:nth-child(2n) {
    text-align: right;
}

.value-card .card-number {
    font-size: 14px;
    color: #666;
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
}

.value-card h3 {
    font-size: clamp(20px, 4vw, 28px);
    margin-bottom: 20px;
    font-weight: 500;
}

.value-card p {
    font-size: 16px;
    color: #000000;
    line-height: 1.7;
}

.commitment-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 0;
    background-color: #f9f9f9;
    border-radius: 20px 20px 20px 20px;
    overflow: hidden;
    margin-top: 40px;

}


.commitment-text {
    padding: 30px 50px;
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 24px;
}

.commitment-item h4 {
    font-size: 20px;
    /*margin: 0 0 8px;*/
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.commitment-item p {
    font-size: 16px;
    color: #000000;
    margin-left: 40px;
    line-height: 1.5;
}


.commitment-image {
    height: 100%;
    overflow: hidden;
}

.commitment-image img {
    width: 506px;
    height: auto;
    object-fit: cover;
    display: block;
}

.team-history-section {
    margin: 80px auto 40px auto;
    padding: 0 20px;
}

.team-history {
    margin: auto;
    max-width: 1000px;
    text-align: center;
    margin-bottom: 3rem;
}

.team-history p {
    font-size: 16px;
    color: #000000;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}



.contact-section {
    margin: 5rem auto 5rem auto;
}

.contact {
    display: grid;
    grid-template-columns: 0.6fr 1.4fr;
    gap: 30px;
    align-items: center;
    margin-top: 50px;
}

.contact-image {
    flex: 1;
    min-width: 343px;
    text-align: center;
}

.contact-image img {
    max-width: 343px;
    border-radius: 8px;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-cards {
    display: flex;
    gap: 20px;

}

.contact-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;

    gap: 20px;
}

.contact-card {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    min-width: 200px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.contact-cards h3 {
    font-size: 22px;
    font-weight: 500;
    margin-bottom: 0px;
    margin-top: 15px;
}

.contact-card a {
    color: #3498FF;
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    margin-top: 10px;
}

.contact-card p {
    margin-top: 10px;
}

.contact-card p a{
    font-size: 16px;
}


.contact-card.low {
    height: 184px;

}

.contact-card.high {
    height: 261px;

}

.social-links {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin: 4rem 0;
    flex-wrap: wrap;
}

.social-link {
    width: 45px;
    height: 45px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.social-links p {
    font-size: 30px;
    font-weight: 500;
    display: flex;
    align-items: center;
}


.timeline-container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: #f9f9f9;
    border-radius: 20px;
    padding-top: 50px;
}


.timeline-wrapper {
    position: relative;
}


.timeline-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 50px;
    position: relative;
    z-index: 1;

}


.timeline-nav::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: #ccc;
}


.timeline-btn {
    border: none;
    background: transparent;
    cursor: pointer;
    position: relative;
    border-radius: 5px;
    width: 100px;
    height: 36px;
    font-size: 18px;
}

.timeline-btn.active {
    background-color: #2196F3;
    color: #fff;
    border-color: #2196F3;
}


.timeline-btn.active::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #2196F3;
    z-index: 1000;
}


.timeline-btn.active::before {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid #2196F3;
}


.two-column-container {
    max-width: 1200px;
    margin: 0 auto;
    gap: 40px;
}

.timeline-item {
    display: none;
}

.timeline-item.active {
    display: block;
}

.left-column {
    flex: 1;
    padding: 50px 20px 20px 50px;
    text-align: left;
}

.left-column h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.left-column p {
    font-size: 16px;
    line-height: 2;
    color: #000;
}

.future-left{
    margin-left: 0px !important;
}
.right-column {
    flex: 1;
    padding: 0px 20px 50px 50px;
    text-align: left;
}

.item {
    margin-bottom: 15px;
}

.item h3 {
    font-size: 18px;
    color: #2c3e50;
    position: relative;
    padding-left: 15px;
    margin-bottom: 10px;
}

.item:nth-child(1) h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 70%;
    border-radius: 2px;
    width: 4px;
    background-color: #2196F3;
}

.item:nth-child(2) h3::before {
    content: '';
    position: absolute;
    border-radius: 2px;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 70%;
    width: 4px;
    background-color: #FFC107;
}

.item:nth-child(3) h3::before {
    content: '';
    position: absolute;
    border-radius: 2px;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 70%;
    width: 4px;
    background-color: #4CAF50;
}

.item p {
    font-size: 15px;
    line-height: 2;
    color: #000000;
    margin-left: 30px;
}

.item ul {
    padding-left: 33px;
    line-height: 1.5;
    font-size: 15px;
    font-weight: 400;
    color: #000000;
    margin-bottom: 20px;
}

.item ul li {
    margin-bottom: 8px;
    line-height: 2;
}

/*ipad*/
@media (max-width: 1199px) {
    .stats-wrap {
        bottom: -65px;
        padding: 40px 24px;
        width: min(1000px, calc(100% - 32px));
        border-radius: 18px;
    }

    .stat-label {
        line-height: 1.2;
    }

    .container {
        padding: 0 20px;
    }

    .products{
        flex-direction: column;
    }

    .product-card{
        max-width: 100%;
    }
    .core-values{
        padding: 60px 20px;
    
    }
    .values-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .value-card {
        padding: 30px 20px 60px 20px;
        text-align: center;
    }

    .values-container .value-card:nth-child(2n) {
        text-align: center;
    }
    .commitment-content {
        grid-template-columns: 1fr;
    }
    .commitment-image img{
        width: 100%;
        height: auto;
    }

    .timeline-nav {
        gap: 30px;
        flex-wrap: wrap;
    }

    .timeline-btn {
        width: 90px;
        height: 32px;
        font-size: 16px;
    }

    .timeline-nav::after {
        bottom: -10px;
    }

    .timeline-btn.active::after {
        bottom: -12px;
        width: 5px;
        height: 5px;
    }

    .timeline-btn.active::before {
        bottom: -5px;
        border-left: 5px solid transparent;
        border-right: 5px solid transparent;
        border-top: 5px solid #2196F3;
    }

    .contact {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-image {
        display: none;
    }

    .contact-cards {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .contact-column {
        flex: 1 1 45%;
        max-width: 350px;
    }

    .contact-card.low,
    .contact-card.high {
        height: auto;
    }
}

@media (max-width: 767px) {
    h2 {
        font-size: 30px;
        margin-bottom: 20px;
        font-weight: 600;
    }

    h3 {
        font-size: 24px;
        font-weight: 500;
        margin-bottom: 20px;
    }

    .stats-wrap {
        position: absolute;
        bottom: -55px;
        padding: 14px 12px;
        border-radius: 14px;
        overflow: hidden;
        z-index: 3;
        background: var(--accent-dark);
        box-shadow: 0 8px 24px rgba(11, 54, 95, 0.12);
        box-sizing: border-box;
    }

    .stats {
        display: flex;
        gap: 5px;
        align-items: center;
        text-align: left;
    }

    .hero-bottom-space {
        height: 140px;
    }

    .hero {
        background-image: url("../images/about/about_banner_ios.png");
        padding-left: 10px;
        padding-right: 10px;
    }

    .hero-inner {
        padding: 10px 10px;
    }

    .kicker {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .stat-number {
        font-size: 20px;
    }

    .stat-label {
        font-size: 12px;
        line-height: 1.2;
    }

    .mission {
        padding: 2rem 1.5rem;
        margin: 6rem 0rem 0rem 0rem;
    }

    .product-card{
        max-width: 100%;
    }
    .container {
        padding: 0 20px;
    }

    .core-values{
        padding: 60px 20px;
    
    }
    .values-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .value-card {
        padding: 30px 20px 60px 20px;
        text-align: center;
    }

    .values-container .value-card:nth-child(2n) {
        text-align: center;
    }

    .commitment-content {
        grid-template-columns: 1fr;
    }
    .commitment-text {
        padding: 20px 20px;
        text-align: left;
        gap: 16px;
    }
    .commitment-item p {
        margin-left: 40px;
    }

    .timeline-nav {
        display: grid;
        grid-template-columns: repeat(5, minmax(70px, 1fr));
        gap: 0px;
        align-items: center;
        justify-items: center;
        position: relative;
        z-index: 1;
        overflow: visible;
    }

    .timeline-nav::after {
        content: '';
        position: absolute;
        bottom: -8px;
        left: 0;
        width: 100%;
        height: 1px;
        background-color: #ccc;
    }

    .timeline-btn {
        border: none;
        background: transparent;
        cursor: pointer;
        position: relative;
        border-radius: 5px;
        height: 36px;
        font-size: 12px;
        width: 100%;
        max-width: none;
        white-space: nowrap;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0 8px;
        box-sizing: border-box;
    }

    .timeline-btn.active::after { bottom: -10px; width: 4px; height: 4px; }
    .timeline-btn.active::before { bottom: -4px; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 4px solid #2196F3; }

    .left-column{
        padding: 30px 20px 20px 20px;
    }
    .right-column{
        padding: 0px 20px 30px 20px;
    }
    .item p {
        font-size: 14px;
        margin-left: 10px;
    }


    .contact-cards {
        align-items: center;
    }

    .contact-image {
        display: none;
    }

    .contact-column {
        flex: 1 1 100%;
        max-width: 100%;
    }

    .contact-card {
        width: 100%;
        height: auto;
    }

    .social-links {
        display: block;
        text-align: center;
        margin: 2rem 0;
    }

    .social-links p {
        margin-bottom: 20px;
        display: block;
    }

    .social-links .social-link {
        display: inline-block;
        margin: 0 7px;
    }

    .social-links img {
        display: block;
        max-width: 40px;
        height: auto;
    }

    .contact-section{
        margin-bottom: 2rem;
    }
}