/*================ ABOUT HERO =================*/

.about-hero {
    position: relative;
    width: 100%;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: url("../assets/images/about-banner.jpg") center center/cover no-repeat;
}

.about-hero .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
            rgba(8, 28, 88, .92) 20%,
            rgba(8, 28, 88, .75) 55%,
            rgba(8, 28, 88, .55) 100%);
}

.about-hero .container {
    position: relative;
    z-index: 2;
}

.about-hero-content {
    max-width: 700px;
    color: #fff;
    padding-top: 90px;
}

.hero-subtitle {
    display: inline-block;
    padding: 8px 18px;
    background: #18A8F3;
    color: #fff;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 25px;
}

.about-hero h1 {
    font-size: 56px;
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 20px;
}

.about-hero h1 span {
    color: #27C0FF;
}

.about-hero p {
    font-size: 18px;
    line-height: 1.9;
    color: #E7F2FF;
    margin-bottom: 35px;
}

.hero-buttons {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.btn-primary {
    background: #18A8F3;
    color: #fff;
    text-decoration: none;
    padding: 16px 34px;
    border-radius: 50px;
    font-weight: 600;
    transition: .3s;
}

.btn-primary:hover {
    background: #0D91D8;
    transform: translateY(-3px);
}

.btn-outline {
    border: 2px solid #fff;
    color: #fff;
    text-decoration: none;
    padding: 15px 34px;
    border-radius: 50px;
    font-weight: 600;
    transition: .3s;
}

.btn-outline:hover {
    background: #fff;
    color: #0B1F5F;
}

/*================ COMPANY INTRO =================*/

.company-intro {
    padding: 100px 0;
    background: #fff;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}

.intro-image {
    position: relative;
}

.intro-image img {
    width: 100%;
    border-radius: 20px;
    display: block;
    box-shadow: 0 20px 40px rgba(0, 0, 0, .12);
}

.floating-card {
    position: absolute;
    background: #fff;
    padding: 18px 24px;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, .12);
    text-align: center;
    transition: .3s;
}

.floating-card:hover {
    transform: translateY(-8px);
}

.card-one {
    top: 25px;
    left: -25px;
}

.card-two {
    bottom: 35px;
    right: -25px;
}

.card-three {
    bottom: 60px;
    left: -25px;
}

.floating-card h3 {
    color: #1DA1F2;
    font-size: 28px;
    margin-bottom: 5px;
}

.floating-card span {
    font-size: 14px;
    font-weight: 600;
}

.card-three i {
    font-size: 28px;
    color: #1DA1F2;
    margin-bottom: 8px;
}

.section-tag {
    display: inline-block;
    padding: 8px 18px;
    background: #EAF7FF;
    color: #1DA1F2;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.intro-content h2 {
    font-size: 42px;
    color: #0B1F5F;
    line-height: 1.3;
    margin-bottom: 20px;
}

.intro-content p {
    color: #666;
    line-height: 1.9;
    margin-bottom: 35px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
}

.feature-item i {
    color: #1DA1F2;
    font-size: 18px;
}

.theme-btn {
    display: inline-block;
    padding: 15px 35px;
    background: #1DA1F2;
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    transition: .3s;
}

.theme-btn:hover {
    background: #0B1F5F;
}

/*================ CAPABILITIES =================*/

.capabilities {
    padding: 100px 0;
    background: #f8fbff;
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.capability-card {
    position: relative;
    overflow: hidden;
    border-radius: 18px;
    height: 420px;
    cursor: pointer;
}

.capability-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .5s;
}

.capability-card:hover img {
    transform: scale(1.15);
}

.overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(0, 45, 120, .25),
            rgba(0, 45, 120, .92));
    display: flex;
    align-items: flex-end;
    padding: 30px;
    transition: .4s;
}

.capability-card:hover .overlay {
    background: linear-gradient(rgba(0, 45, 120, .15),
            rgba(0, 45, 120, .97));
}

.content {
    color: #fff;
    transition: .4s;
}

.capability-card:hover .content {
    transform: translateY(0);
}

.icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: #1DA1F2;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 28px;
    margin-bottom: 20px;
}

.content h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.content p {
    font-size: 15px;
    line-height: 1.8;
    opacity: .95;
    margin-bottom: 25px;
    color: #fff;
}

.read-btn {
    display: inline-block;
    padding: 12px 28px;
    background: #fff;
    color: #0B1F5F;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: .3s;
    opacity: 0;
}

.capability-card:hover .read-btn {
    opacity: 1;
}

.read-btn:hover {
    background: #1DA1F2;
    color: #fff;
}

/*================ INFRASTRUCTURE =================*/

.infrastructure {
    padding: 100px 0;
    background: #F7FBFF;
}

.infra-wrapper {
    display: grid;
    grid-template-columns: 45% 55%;
    gap: 50px;
    align-items: center;
}

.infra-image img {
    width: 100%;
    border-radius: 18px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, .12);
}

.infra-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.infra-card {
    background: #fff;
    padding: 35px;
    border-radius: 16px;
    transition: .35s;
    border: 1px solid #E4EEF8;
}

.infra-card:hover {

    transform: translateY(-8px);

    box-shadow: 0 20px 40px rgba(0, 0, 0, .10);

    border-color: #1DA1F2;

}

.infra-icon {

    width: 70px;
    height: 70px;

    background: #EAF6FF;

    border-radius: 50%;

    display: flex;

    justify-content: center;

    align-items: center;

    margin-bottom: 20px;

}

.infra-icon i {

    color: #1DA1F2;

    font-size: 28px;

}

.infra-card h3 {

    font-size: 22px;

    margin-bottom: 15px;

    color: #0B1F5F;

}

.infra-card p {

    color: #666;

    line-height: 1.8;

}

/*================ MATERIALS =================*/

.materials {

    padding: 100px 0;

    background: #ffffff;

}

.material-category {

    margin-top: 45px;

}

.material-category h3 {

    font-size: 24px;

    color: #0B1F5F;

    margin-bottom: 20px;

    display: flex;

    align-items: center;

    gap: 12px;

}

.material-category h3 i {

    color: #1DA1F2;

}

.material-list {

    display: flex;

    flex-wrap: wrap;

    gap: 15px;

}

.material-list span {

    padding: 14px 28px;

    background: #F4FAFF;

    border: 2px solid #D7ECFF;

    border-radius: 40px;

    font-weight: 600;

    color: #0B1F5F;

    transition: .35s;

    cursor: pointer;

}

.material-list span:hover {

    background: #1DA1F2;

    color: #fff;

    border-color: #1DA1F2;

    transform: translateY(-5px);

    box-shadow: 0 12px 25px rgba(29, 161, 242, .25);

}

/*================ SURFACE TREATMENT =================*/

.surface-treatment {
    padding: 100px 0;
    background: #F8FBFF;
}

.surface-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.surface-card {
    background: #fff;
    padding: 35px 30px;
    text-align: center;
    border-radius: 18px;
    border: 1px solid #E5EEF7;
    transition: .35s ease;
    position: relative;
    overflow: hidden;
}

.surface-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 4px;
    background: #1DA1F2;
    transform: scaleX(0);
    transition: .35s;
}

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

.surface-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, .10);
}

.surface-icon {
    width: 80px;
    height: 80px;
    margin: auto;
    border-radius: 50%;
    background: #EAF6FF;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: .35s;
}

.surface-icon i {
    font-size: 34px;
    color: #1DA1F2;
}

.surface-card:hover .surface-icon {
    background: #1DA1F2;
    transform: rotateY(180deg);
}

.surface-card:hover .surface-icon i {
    color: #fff;
}

.surface-card h3 {
    margin: 25px 0 15px;
    font-size: 22px;
    color: #0B1F5F;
}

.surface-card p {
    color: #666;
    line-height: 1.8;
    font-size: 15px;
}

@media(max-width:1199px) {
    .card-three {
        bottom: 20px;
        left: -15px;
    }

    .intro-content h2 {
        font-size: 32px;
    }

    .intro-image img {
        height: 300px;
    }

    .company-intro {
        padding: 60px 0;
    }

    .mvp-section {
        padding: 60px 0;
    }

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

    .capabilities {
        padding: 60px 0;
    }
    .capability-grid{
        grid-template-columns: repeat(3, 1fr);
    }
    .infra-wrapper{
        grid-template-columns: 1fr;
    }
}

@media(max-width:991px) {

    .infra-wrapper {

        grid-template-columns: 1fr;

    }

    .infra-grid {

        grid-template-columns: 1fr 1fr;

    }

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

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

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

    .intro-image {
        margin-bottom: 40px;
    }

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

    .intro-content h2 {
        font-size: 34px;
    }

}

@media(max-width:767px) {

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

    .infra-grid {

        grid-template-columns: 1fr;

    }

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

    .capability-card {
        height: 360px;
    }

}

@media (max-width: 575px) {
    .about-hero-content {
        padding-top: 110px;
        padding-bottom: 50px;
    }

    .about-hero h1 {
        font-size: 38px;
    }

    .intro-grid {
        gap: 20px;
    }

    .intro-content h2 {
        font-size: 24px;
    }

    .company-intro {
        padding: 60px 0;
    }

    .capabilities {
        padding: 40px 0;
    }

    .infrastructure {
        padding: 40px 0;
    }

    .card-one,
    .card-two,
    .card-three {
        position: static;
        margin-top: 20px;
    }
}