* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: #ffffff;
    font-family: Arial, sans-serif;
    color: #0b1f3a;
}

header {
    width: 100%;
    height: 80px;
    padding: 0 6%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #ffffff;
    border-bottom: 1px solid #e6eaf0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    color: #0057ff;
    letter-spacing: 1px;
}

nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

nav a {
    color: #0b1f3a;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
}

nav a {
    transition: color 0.3s ease;
}

nav a:hover {
    color: #0057ff;
}

nav a.active {
    color: #0057ff;
}

.menu-toggle {
    display: none;
}

.hero {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    padding: 80px 6%;
    background: linear-gradient(135deg, #ffffff 0%, #f4f8ff 100%);
}

.hero-content {
    max-width: 720px;
}

.hero-tag {
    color: #0057ff;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1.5px;
    margin-bottom: 18px;
}

.hero h1 {
    font-size: 52px;
    line-height: 1.08;
    color: #0b1f3a;
    margin-bottom: 24px;
}

.hero-text {
    font-size: 18px;
    line-height: 1.7;
    color: #4b5d73;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    align-items: center;
}

.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 14px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #0057ff;
    color: #ffffff;
    border: 2px solid #0057ff;
}

.btn-primary:hover {
    background-color: #0046cc;
    border-color: #0046cc;
}

.btn-secondary {
    background-color: transparent;
    color: #0b1f3a;
    border: 2px solid #d8e0eb;
}

.btn-secondary:hover {
    border-color: #0057ff;
    color: #0057ff;
}

.logo img {
    height: 85px;
    width: auto;
    display: block;
}

.services {
    padding: 100px 6%;
    background-color: #ffffff;
}

.section-header {
    max-width: 750px;
    margin: 0 auto 60px;
    text-align: center;
}

.section-tag {
    color: #0057ff;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}

.section-header h2 {
    color: #0b1f3a;
    font-size: 38px;
    line-height: 1.2;
    margin-bottom: 20px;
}

.section-header > p:last-child {
    color: #4b5d73;
    font-size: 17px;
    line-height: 1.7;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background-color: #ffffff;
    border: 1px solid #e6eaf0;
    border-radius: 14px;
    padding: 30px 24px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(11, 31, 58, 0.10);
}

.service-card h3 {
    color: #0b1f3a;
    font-size: 20px;
    margin-bottom: 14px;
}

.service-card p {
    color: #4b5d73;
    font-size: 15px;
    line-height: 1.7;
}

.service-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    border-radius: 12px;
    background-color: #eef4ff;
    color: #0057ff;
    font-size: 12px;
    font-weight: 700;
}

.solutions {
    padding: 100px 6%;
    background-color: #f4f8ff;
}

.solutions-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    gap: 24px;
}

.solution-card {
    background-color: #ffffff;
    border: 1px solid #e6eaf0;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(11, 31, 58, 0.06);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.solution-info {
    max-width: 650px;
}

.solution-category {
    color: #0057ff;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.4px;
    margin-bottom: 14px;
}

.solution-card h3 {
    color: #0b1f3a;
    font-size: 30px;
    margin-bottom: 16px;
}

.solution-info > p:not(.solution-category) {
    color: #4b5d73;
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 24px;
}

.solution-link {
    color: #0057ff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 700;
}

.solution-link:hover {
    text-decoration: underline;
}

.solution-visual {
    width: 360px;
    min-width: 360px;
    height: 190px;
    border-radius: 12px;
    background-color: #f4f8ff;
    border: 1px dashed #b9c9e5;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-visual span {
    color: #7890ad;
    font-size: 14px;
    font-weight: 600;
}

.solution-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 12px;
}

.projects {
    padding: 100px 6%;
    background-color: #ffffff;
}

.projects-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.project-card {
    background-color: #ffffff;
    border: 1px solid #e6eaf0;
    border-radius: 16px;
    padding: 32px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(11, 31, 58, 0.08);
}

.project-category {
    color: #0057ff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.3px;
    margin-bottom: 12px;
}

.project-card h3 {
    color: #0b1f3a;
    font-size: 24px;
    margin-bottom: 14px;
}

.project-card p:not(.project-category) {
    color: #4b5d73;
    font-size: 15px;
    line-height: 1.7;
}

.about {
    padding: 100px 6%;
    background-color: #f4f8ff;
}

.about-values {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.about-value {
    background-color: #ffffff;
    border: 1px solid #e6eaf0;
    border-radius: 14px;
    padding: 28px 24px;
}

.about-value h3 {
    color: #0b1f3a;
    font-size: 20px;
    margin-bottom: 12px;
}

.about-value p {
    color: #4b5d73;
    font-size: 15px;
    line-height: 1.7;
}

.contact {
    padding: 100px 6%;
    background-color: #ffffff;
}

.contact-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
}

.footer {
    background-color: #0b1f3a;
    padding: 28px 6%;
}

.footer-content {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.footer p {
    color: #ffffff;
    font-size: 14px;
}

section {
    scroll-margin-top: 100px;
}

.whatsapp-float {
        position: fixed;
        right: 24px;
        bottom: 24px;
        z-index: 999;
        background-color: #25d366;
        color: #ffffff;
        text-decoration: none;
        font-size: 14px;
        font-weight: 700;
        padding: 14px 20px;
        border-radius: 50px;
        box-shadow: 0 8px 24px rgba(11, 31, 58, 0.18);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .whatsapp-float:hover {
        transform: translateY(-3px);
        box-shadow: 0 12px 28px rgba(11, 31, 58, 0.24);
    }

@media (max-width: 768px) {

    header {
        height: auto;
        min-height: 76px;
        padding: 0 5%;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: 0;
    }

    .menu-toggle {
        display: block;
        background: transparent;
        border: none;
        color: #0b1f3a;
        font-size: 28px;
        cursor: pointer;
        line-height: 1;
    }

    .logo img {
        height: 58px;
    }

    nav {
        display: none;
        width: 100%;
        background-color: #ffffff;
        border-top: 1px solid #e6eaf0;
        border-bottom: 1px solid #e6eaf0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        z-index: 999;
    }

    nav.active {
        display: flex;
    }

    nav a {
        width: 100%;
        padding: 14px 24px;
        text-align: left;
        font-size: 15px;
        border-bottom: 1px solid #eef1f5;
    }

    nav a:last-child {
        border-bottom: none;
    }

    nav.active {
        display: flex;
    }

    nav a {
        width: 100%;
        padding: 12px 0;
        text-align: center;
        font-size: 15px;
    }

    nav a {
        font-size: 14px;
    }

    .hero {
        min-height: auto;
        padding: 70px 5%;
        align-items: flex-start;
    }

    .hero h1 {
        font-size: 36px;
        line-height: 1.1;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
    }

    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 100%;
        text-align: center;
    }

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

    .solution-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .solution-visual {
        width: 100%;
        min-width: 0;
    }

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

    .about-values {
        grid-template-columns: 1fr;
    }

    .contact-actions {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
    }

    .contact-actions .btn-primary,
    .contact-actions .btn-secondary {
        width: 100%;
        text-align: center;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .services,
    .solutions,
    .projects,
    .about,
    .contact {
        padding: 70px 5%;
    }

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

    .section-header h2 {
        font-size: 32px;
    }

    section {
        scroll-margin-top: 145px;
    }

    .whatsapp-float {
        display: flex;
        width: 52px;
        height: 52px;
        right: 16px;
        bottom: 16px;
        padding: 0;
        border-radius: 50%;
        align-items: center;
        justify-content: center;
        font-size: 0;
    }
}

.footer a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
}

.footer a:hover {
    text-decoration: underline;
}