:root {
    --primary: #0d6efd;
    --primary-dark: #0a58ca;
    --primary-light: #3d8bff;
    --secondary: #0f172a;
    --accent: #06b6d4;
    --accent-dark: #0891b2;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --surface: #ffffff;
    --surface-alt: #f8fafc;
    --surface-dark: #1e293b;
    --text: #1e293b;
    --text-muted: #64748b;
    --text-light: #cbd5e1;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
    --shadow: 0 4px 20px rgba(0,0,0,.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,.12);
    --radius: 12px;
    --radius-lg: 20px;
    --font-head: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all .3s cubic-bezier(.4,0,.2,1);
}

* { box-sizing: border-box; }

body {
    font-family: var(--font-body);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 { font-family: var(--font-head); font-weight: 600; line-height: 1.2; }

.main-content { padding-top: 72px; }

/* ===== Navbar ===== */
.navbar-custom {
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: .6rem 0;
    transition: var(--transition);
    z-index: 1030;
}
.navbar-custom.scrolled { box-shadow: var(--shadow); }
.navbar-brand { font-family: var(--font-head); font-weight: 700; color: var(--text) !important; font-size: 1.1rem; }
.logo-badge {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    padding: .35rem .6rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: .9rem;
    letter-spacing: .5px;
}

.logo-img {
    height: 40px;
    width: auto;
    display: inline-block;
    border-radius: 8px;
    object-fit: contain;
}
.nav-link {
    color: var(--text) !important;
    font-weight: 500;
    font-size: .95rem;
    padding: .5rem 1rem !important;
    position: relative;
    transition: var(--transition);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    transform: translateX(-50%);
}
.nav-link:hover::after, .nav-link.active::after { width: 60%; }
.nav-link:hover { color: var(--primary) !important; }

/* ===== Hero ===== */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0d6efd 100%);
    overflow: hidden;
}
.hero-overlay {
    position: absolute; inset: 0;
    background: radial-gradient(circle at 70% 30%, rgba(6,182,212,.15), transparent 50%);
}
.hero-content { position: relative; z-index: 2; }
.hero-title {
    color: #fff;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin: 1rem 0;
}
.hero-subtitle {
    color: rgba(255,255,255,.85);
    font-size: clamp(1rem, 2vw, 1.3rem);
    max-width: 600px;
    margin-bottom: 2rem;
}
.badge-hero {
    display: inline-block;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.2);
    color: var(--accent);
    padding: .4rem 1rem;
    border-radius: 50px;
    font-size: .85rem;
    font-weight: 500;
    margin-bottom: 1rem;
}
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-glow {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(13,110,253,.4);
    transition: var(--transition);
}
.btn-glow:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(13,110,253,.5); color: #fff; }
.btn-outline-glow {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,.4);
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}
.btn-outline-glow:hover { background: rgba(255,255,255,.1); border-color: #fff; color: #fff; }
.hero-wave { position: absolute; bottom: -1px; left: 0; right: 0; z-index: 1; }
.hero-wave svg { width: 100%; height: 80px; display: block; }

/* ===== Sections ===== */
.section-padding { padding: 5rem 0; }
.bg-light-custom { background: var(--surface-alt); }
.section-label {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    font-size: .85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: .5rem;
}
.section-title { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; margin-bottom: 1rem; }
.section-title-light { color: #fff; font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; }
.section-text { color: var(--text-muted); font-size: 1.05rem; }

/* ===== About Preview Cards ===== */
.about-preview-cards { display: flex; flex-direction: column; gap: 1rem; }
.preview-card {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary);
    transition: var(--transition);
}
.preview-card:hover { transform: translateX(8px); box-shadow: var(--shadow); }
.preview-card i { font-size: 1.8rem; color: var(--primary); }
.preview-card h4 { margin: .5rem 0; font-size: 1.1rem; }
.preview-card p { color: var(--text-muted); margin: 0; font-size: .9rem; }

/* ===== Stats ===== */
.stats-section { background: linear-gradient(135deg, var(--secondary), #1e3a5f); padding: 4rem 0; }
.stat-card { padding: 2rem 1rem; }
.stat-number {
    display: block;
    font-size: 2.8rem;
    font-weight: 700;
    font-family: var(--font-head);
    color: #fff;
    line-height: 1;
}
.stat-label { color: rgba(255,255,255,.7); font-size: .95rem; margin-top: .5rem; display: block; }

/* ===== Service Cards ===== */
.service-card {
    background: var(--surface);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    border: 1px solid var(--border);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.service-icon {
    width: 60px; height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 1.6rem;
    margin-bottom: 1.2rem;
}
.service-icon.large { width: 80px; height: 80px; font-size: 2.2rem; }
.service-category {
    display: inline-block;
    background: var(--surface-alt);
    color: var(--primary);
    padding: .2rem .8rem;
    border-radius: 50px;
    font-size: .8rem;
    font-weight: 500;
    margin-bottom: .8rem;
}
.service-card h4 { margin-bottom: .8rem; font-size: 1.2rem; }
.service-card p { color: var(--text-muted); font-size: .95rem; }
.service-link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    font-size: .9rem;
    transition: var(--transition);
}
.service-link:hover { color: var(--accent); }
.service-link i { transition: var(--transition); }
.service-link:hover i { transform: translateX(4px); }

/* ===== Project Cards ===== */
.project-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    border: 1px solid var(--border);
}
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-image {
    height: 140px;
    background: linear-gradient(135deg, var(--secondary), #1e3a5f, var(--primary));
    position: relative;
    display: flex; align-items: flex-end; padding: 1rem;
}
.project-category {
    background: rgba(255,255,255,.9);
    color: var(--primary);
    padding: .3rem .8rem;
    border-radius: 50px;
    font-size: .8rem;
    font-weight: 600;
}
.project-body { padding: 1.5rem; }
.project-body h5 { font-size: 1.1rem; margin-bottom: .5rem; }
.project-client { color: var(--text-muted); font-size: .85rem; margin-bottom: .5rem; }
.project-desc { color: var(--text-muted); font-size: .9rem; }
.project-tech { color: var(--primary); font-size: .85rem; margin: .5rem 0; }
.project-link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    font-size: .9rem;
}
.project-link:hover { color: var(--accent); }

/* ===== Filter Bar ===== */
.filter-bar { display: flex; gap: .5rem; flex-wrap: wrap; justify-content: center; }
.filter-btn {
    padding: .5rem 1.2rem;
    border-radius: 50px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    text-decoration: none;
    font-size: .9rem;
    font-weight: 500;
    transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== Team Cards ===== */
.team-card {
    background: var(--surface);
    padding: 2rem 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
    height: 100%;
    border: 1px solid var(--border);
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.team-avatar i { font-size: 4rem; color: var(--primary-light); }
.team-card h5 { margin: 1rem 0 .3rem; }
.team-role { color: var(--primary); font-weight: 500; font-size: .9rem; display: block; margin-bottom: .8rem; }
.team-card p { color: var(--text-muted); font-size: .85rem; }
.team-social { color: var(--primary); font-size: 1.3rem; transition: var(--transition); }
.team-social:hover { color: var(--accent); }

/* ===== CTA Section ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    padding: 4rem 0;
    text-align: center;
}
.cta-title { color: #fff; font-size: 2rem; font-weight: 700; }
.cta-text { color: rgba(255,255,255,.9); font-size: 1.1rem; }

/* ===== Page Header ===== */
.page-header {
    background: linear-gradient(135deg, var(--secondary), #1e3a5f);
    padding: 4rem 0 3rem;
    margin-top: 0;
}
.page-header h1 { color: #fff; font-size: 2.5rem; font-weight: 700; }
.page-header nav { color: rgba(255,255,255,.6); font-size: .9rem; }
.page-header nav a { color: rgba(255,255,255,.8); text-decoration: none; }
.page-header nav a:hover { color: #fff; }

/* ===== Buttons ===== */
.btn-primary-custom {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    padding: .6rem 1.5rem;
    transition: var(--transition);
}
.btn-primary-custom:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }
.btn-secondary-custom {
    background: var(--surface-alt);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-weight: 600;
    padding: .6rem 1.5rem;
    transition: var(--transition);
}
.btn-secondary-custom:hover { background: var(--border); }

/* ===== Certificate Verify ===== */
.verify-card {
    background: var(--surface);
    padding: 3rem 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}
.verify-icon { text-align: center; font-size: 3rem; color: var(--primary); }
.verify-input-group { max-width: 500px; margin: 0 auto; }
.certificate-result {
    background: var(--surface-alt);
    border-radius: var(--radius);
    padding: 2rem;
    border: 2px solid var(--success);
}
.cert-valid-badge {
    text-align: center;
    color: var(--success);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}
.cert-info { display: flex; flex-direction: column; gap: .8rem; }
.cert-row {
    display: flex; justify-content: space-between;
    padding-bottom: .8rem;
    border-bottom: 1px solid var(--border);
}
.cert-row span { color: var(--text-muted); }

/* ===== Mission/Vision ===== */
.mission-vision-cards { display: flex; flex-direction: column; gap: 1rem; }
.mv-card {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--accent);
}
.mv-icon { font-size: 1.5rem; color: var(--accent); margin-bottom: .5rem; }
.mv-card h4 { font-size: 1.1rem; }
.mv-card p { color: var(--text-muted); font-size: .9rem; margin: 0; }

/* ===== Contact ===== */
.contact-info-card, .sidebar-card {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.contact-info-list, .info-list { list-style: none; padding: 0; margin: 0; }
.contact-info-list li, .info-list li {
    padding: .6rem 0;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}
.contact-info-list li:last-child, .info-list li:last-child { border-bottom: none; }
.contact-info-list i, .info-list i { color: var(--primary); margin-right: .5rem; }
.contact-form-card {
    background: var(--surface);
    padding: 2.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.map-wrapper { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }

/* ===== Login ===== */
.login-card {
    background: var(--surface);
    padding: 3rem 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}
.login-icon { text-align: center; font-size: 3rem; color: var(--primary); margin-bottom: 1rem; }
.login-hint { text-align: center; color: var(--text-muted); font-size: .85rem; }

/* ===== Footer ===== */
.site-footer { background: var(--secondary); color: rgba(255,255,255,.8); }
.footer-title { color: #fff; font-size: 1.1rem; margin-bottom: 1rem; }
.footer-text { color: rgba(255,255,255,.6); font-size: .9rem; }
.footer-links, .footer-contact { list-style: none; padding: 0; }
.footer-links li, .footer-contact li { margin-bottom: .6rem; }
.footer-links a { color: rgba(255,255,255,.7); text-decoration: none; font-size: .9rem; transition: var(--transition); }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li { color: rgba(255,255,255,.7); font-size: .9rem; }
.footer-contact i { color: var(--accent); margin-right: .5rem; }
.social-links { display: flex; gap: .8rem; margin-top: 1rem; }
.social-links a {
    width: 38px; height: 38px;
    background: rgba(255,255,255,.1);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,.8);
    transition: var(--transition);
}
.social-links a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 1.5rem 0; text-align: center; }
.footer-bottom p { color: rgba(255,255,255,.5); font-size: .85rem; margin: 0; }

/* ===== Tech Box ===== */
.tech-box { background: var(--surface-alt); padding: 1.5rem; border-radius: var(--radius); }
.tech-box h5 { margin-bottom: .5rem; }

/* ===== Responsive ===== */
@media (max-width: 991px) {
    .navbar-collapse { background: var(--surface); border-radius: var(--radius); padding: 1rem; margin-top: .5rem; box-shadow: var(--shadow); }
    .nav-link::after { display: none; }
}
@media (max-width: 768px) {
    .hero-section .row { min-height: auto !important; padding: 3rem 0; }
    .section-padding { padding: 3rem 0; }
    .stat-number { font-size: 2rem; }
}