:root {
    --primary: #0a2540;
    --secondary: #1a73e8;
    --accent: #00b4d8;
    --light-bg: #f4f6f9;
    --white: #ffffff;
    --text: #333333;
    --muted: #6c757d;
    --border: #e0e4e8;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    --radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text);
    line-height: 1.7;
    background: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.3;
}

a {
    color: var(--secondary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent);
}

img {
    max-width: 100%;
    height: auto;
}

.section-padding {
    padding: 80px 0;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    position: relative;
}

.section-subtitle {
    color: var(--muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.section-divider {
    width: 60px;
    height: 3px;
    background: var(--secondary);
    margin: 1rem auto 2rem;
    border-radius: 2px;
}

.bg-light-custom {
    background: var(--light-bg);
}

.btn-primary-custom {
    background: var(--secondary);
    color: var(--white);
    border: none;
    padding: 12px 32px;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-block;
    cursor: pointer;
}

.btn-primary-custom:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-outline-custom {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    padding: 10px 30px;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-block;
    cursor: pointer;
}

.btn-outline-custom:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-2px);
}

.card-custom {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: var(--transition);
}

.card-custom:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

/* ==================== NAVBAR ==================== */
.navbar-corporate {
    background: var(--white);
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
    padding: 0.6rem 0;
    transition: var(--transition);
    z-index: 1050;
}

.navbar-corporate.scrolled {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

.navbar-corporate .navbar-brand {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.1rem;
}

.navbar-corporate .navbar-brand span {
    color: var(--secondary);
}

.navbar-corporate .nav-link {
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    position: relative;
    transition: var(--transition);
}

.navbar-corporate .nav-link:hover,
.navbar-corporate .nav-link.active {
    color: var(--secondary);
}

.navbar-corporate .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: var(--secondary);
    border-radius: 2px;
}

.navbar-corporate .navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
}

.navbar-corporate .navbar-toggler:focus {
    box-shadow: none;
}

.navbar-corporate .btn-contact {
    background: var(--secondary);
    color: var(--white);
    border-radius: var(--radius);
    padding: 0.4rem 1.2rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.navbar-corporate .btn-contact:hover {
    background: var(--primary);
    color: var(--white);
}

/* ==================== PAGE HERO ==================== */
.page-hero {
    background: linear-gradient(135deg, var(--primary) 0%, #1a3a5c 100%);
    color: var(--white);
    padding: 120px 0 60px;
    text-align: center;
}

.page-hero h1 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.page-hero p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto;
}

.page-hero .breadcrumb {
    justify-content: center;
    margin-top: 1.5rem;
}

.page-hero .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.7);
}

.page-hero .breadcrumb-item.active {
    color: var(--white);
}

.page-hero .breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.5);
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 0;
}

.footer h5 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.footer p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    line-height: 1.8;
}

.footer-brand {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
    display: block;
}

.footer-brand span {
    color: var(--accent);
}

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

.footer-links li {
    margin-bottom: 0.6rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-links a i {
    margin-right: 0.5rem;
    width: 16px;
    text-align: center;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-contact li i {
    color: var(--accent);
    margin-top: 4px;
    width: 16px;
    text-align: center;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--secondary);
    border-color: var(--secondary);
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
    margin-top: 3rem;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a:hover {
    color: var(--accent);
}

/* ==================== BACK TO TOP ==================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--secondary);
    color: var(--white);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

/* ==================== UTILITIES ==================== */
.text-accent {
    color: var(--accent);
}

.text-secondary-custom {
    color: var(--secondary);
}

.badge-live {
    background: #28a745;
    color: var(--white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-dev {
    background: #ffc107;
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tech-tag {
    display: inline-block;
    background: var(--light-bg);
    color: var(--muted);
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    margin: 2px;
    font-weight: 500;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 991px) {
    .navbar-corporate .navbar-collapse {
        background: var(--white);
        padding: 1rem;
        margin-top: 0.5rem;
        border-radius: var(--radius);
        box-shadow: var(--shadow);
    }

    .navbar-corporate .nav-link.active::after {
        display: none;
    }

    .section-padding {
        padding: 50px 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .page-hero {
        padding: 100px 0 50px;
    }

    .page-hero h1 {
        font-size: 2rem;
    }
}

@media (max-width: 767px) {
    .section-padding {
        padding: 40px 0;
    }

    .footer {
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-contact li {
        justify-content: center;
    }
}