@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #0d6efd;
    --primary-hover: #0056b3;
    --dark-blue: #0b192f;
    --light-bg: #f8f9fa;
    --text-color: #333333;
    --text-muted: #6c757d;
    --white: #ffffff;
    --border-color: #e9ecef;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* --- HEADER --- */
.header {
    background-color: var(--dark-blue);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-wrapper {
    display: flex;
    align-items: center;
}

.logo-text {
    color: var(--white);
    margin-left: 10px;
}

.logo-title {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    margin: 0;
}

.logo-brand {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    display: flex;
    align-items: center;
}

.logo-brand span {
    color: #0dcaf0;
    margin-left: 5px;
    font-size: 12px;
    border: 1px solid #0dcaf0;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-item {
    margin: 0 15px;
    position: relative;
}

.nav-link {
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    padding: 10px 0;
}

.nav-link:hover, .nav-item.active .nav-link {
    color: var(--primary-color);
}

/* Dropdown Menu */
.nav-item-dropdown:hover .dropdown-menu-custom {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu-custom {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    min-width: 220px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    border-radius: 4px;
    padding: 10px 0;
    list-style: none;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
}

.dropdown-item-custom a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--text-color);
    font-weight: 500;
}

.dropdown-item-custom a:hover {
    background-color: var(--light-bg);
    color: var(--primary-color);
    padding-left: 25px;
}

.hotline-btn {
    background-color: #0d6efd;
    color: var(--white);
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 30px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    border: none;
}

.hotline-btn:hover {
    background-color: var(--primary-hover);
    color: var(--white);
}

/* Mobile Menu Toggle */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
}

/* --- HERO SECTION --- */
.hero-section {
    padding: 80px 0;
    background-color: var(--light-bg);
    position: relative;
    overflow: hidden;
}

.hero-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--dark-blue);
}

.hero-title span {
    color: var(--primary-color);
}

.hero-description {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.hero-badge {
    color: var(--primary-color);
    text-transform: uppercase;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 1px;
    margin-bottom: 10px;
    display: inline-block;
}

.btn-custom-primary {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: 600;
    border: 1px solid var(--primary-color);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-custom-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    color: var(--white);
}

.btn-custom-secondary {
    background-color: transparent;
    color: var(--text-color);
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: 600;
    border: 1px solid #ced4da;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-custom-secondary:hover {
    background-color: var(--light-bg);
    border-color: #adb5bd;
}

/* --- STEPS / PROCESS --- */
.process-section {
    padding: 80px 0;
    background-color: var(--white);
}

.section-subtitle {
    text-transform: uppercase;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 14px;
    text-align: center;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    color: var(--dark-blue);
    margin-bottom: 50px;
}

.process-grid {
    display: grid;
    grid-template-cols: repeat(6, 1fr);
    gap: 20px;
    position: relative;
}

.process-card {
    text-align: center;
    padding: 20px 10px;
    position: relative;
}

.process-icon-wrapper {
    width: 60px;
    height: 60px;
    background-color: #eef5ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary-color);
    font-size: 24px;
    transition: all 0.3s ease;
}

.process-card:hover .process-icon-wrapper {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-5px);
}

.process-step-num {
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: var(--white);
    width: 22px;
    height: 22px;
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--white);
}

.process-card-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--dark-blue);
    margin-bottom: 10px;
}

.process-card-desc {
    font-size: 12px;
    color: var(--text-muted);
}

/* --- TAB FILTERS (Products & Projects) --- */
.filter-tabs {
    display: flex;
    justify-content: center;
    list-style: none;
    margin: 0 auto 40px;
    padding: 0;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-tab-btn {
    padding: 10px 24px;
    border-radius: 30px;
    background-color: var(--light-bg);
    color: var(--text-color);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.filter-tab-btn.active, .filter-tab-btn:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Grid layout lists */
.items-grid {
    display: grid;
    grid-template-cols: repeat(4, 1fr);
    gap: 30px;
}

.item-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.item-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    border-color: transparent;
}

.item-img-wrapper {
    position: relative;
    padding-top: 65%;
    overflow: hidden;
    background-color: var(--light-bg);
}

.item-img-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.item-card:hover .item-img-wrapper img {
    transform: scale(1.08);
}

.item-category-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.item-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.item-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark-blue);
    margin-bottom: 12px;
    line-height: 1.4;
}

.item-desc {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 15px;
    flex-grow: 1;
}

.item-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 5px;
}

.item-link:hover {
    color: var(--primary-hover);
}

/* --- FOOTER --- */
.footer {
    background-color: #07101e;
    color: rgba(255,255,255,0.7);
    padding: 70px 0 20px;
    font-size: 14px;
}



.footer-col-title {
    color: var(--white);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-about-text {
    margin-bottom: 20px;
    line-height: 1.6;
}

.footer-social-links {
    display: flex;
    gap: 12px;
}

.social-link-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.06);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.social-link-btn:hover {
    background-color: var(--primary-color);
}

.footer-links-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-link-item {
    margin-bottom: 12px;
}

.footer-link-item a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-contact-item {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    line-height: 1.5;
}

.footer-contact-item i {
    color: var(--primary-color);
    font-size: 16px;
    margin-top: 3px;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.newsletter-input {
    background-color: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 4px;
    padding: 10px 15px;
    color: var(--white);
    font-size: 14px;
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: rgba(255,255,255,0.08);
}

.newsletter-submit-btn {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 10px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
}

.newsletter-submit-btn:hover {
    background-color: var(--primary-hover);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

/* --- RESPONSIVE BREAKPOINTS --- */
@media (max-width: 1200px) {
    .items-grid {
        grid-template-cols: repeat(3, 1fr);
    }

}

@media (max-width: 992px) {
    .process-grid {
        grid-template-cols: repeat(3, 1fr);
        gap: 30px;
    }
    .items-grid {
        grid-template-cols: repeat(2, 1fr);
    }
    .hero-title {
        font-size: 34px;
    }
    .mobile-nav-toggle {
        display: block;
    }
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--dark-blue);
        flex-direction: column;
        align-items: flex-start;
        padding: 40px;
        transition: all 0.4s ease;
        overflow-y: auto;
    }
    .nav-menu.active {
        left: 0;
    }
    .nav-item {
        margin: 15px 0;
        width: 100%;
    }
    .nav-link {
        font-size: 16px;
        display: block;
        width: 100%;
    }
    .dropdown-menu-custom {
        position: relative;
        top: 0;
        left: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: rgba(255,255,255,0.03);
        margin-top: 10px;
        display: none;
    }
    .dropdown-item-custom a {
        color: rgba(255, 255, 255, 0.7);
    }
    .dropdown-item-custom a:hover {
        color: var(--primary-color);
        background-color: rgba(255, 255, 255, 0.05);
        padding-left: 25px;
    }
    .nav-item-dropdown.active .dropdown-menu-custom {
        display: block;
    }
    .header-right {
        display: none; /* Hide desktop hotline on mobile header right */
    }

}

@media (max-width: 576px) {
    .process-grid {
        grid-template-cols: 1fr;
    }
    .items-grid {
        grid-template-cols: 1fr;
    }

    .hero-title {
        font-size: 28px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}