/* ============================================================
   MAIN.CSS — Shared styles for MBK Tech (all pages)
   ============================================================ */

/* ----- CSS Variables ----- */
:root {
    --primary: #2196f3;
    --primary-dark: #1769aa;
    --secondary: #43e97b;
    --accent: #00b894;
    --dark: #101c1c;
    --darker: #0a1414;
    --light: #eaf6fb;
    --text: #e0f7fa;
    --text-light: #b2dfdb;
    --text-dark: #1a2a2a;
    --success: #43e97b;
    --warning: #ffd166;
    --danger: #ff7675;
    --border-radius: 8px;
    --box-shadow: 0 4px 20px rgba(33, 150, 243, 0.15);
    --transition: all 0.3s cubic-bezier(.4, 0, .2, 1);
}

/* ----- Reset ----- */
*, *::before, *::after {
    margin: 0; padding: 0; box-sizing: border-box;
}
body {
    background-color: var(--dark);
    color: var(--text);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* ----- Utility ----- */
.btn {
    display: inline-block; padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius); font-weight: 600;
    text-decoration: none; transition: var(--transition);
    border: none; cursor: pointer;
}
.btn-primary { background-color: var(--accent); color: var(--dark); }
.btn-primary:hover { background-color: var(--secondary); }
.btn-outline { background-color: transparent; color: #fff; border: 2px solid #fff; }
.btn-outline:hover { background-color: rgba(255,255,255,0.1); transform: translateY(-2px); }

.section-container { max-width: 1200px; margin: 0 auto; }
.section-title { text-align: center; margin-bottom: 3rem; }
.section-title h2 {
    font-size: 2.5rem; color: var(--light);
    position: relative; display: inline-block;
}
.section-title h2::after {
    content: ''; position: absolute; bottom: -10px; left: 50%;
    transform: translateX(-50%); width: 80px; height: 4px;
    background-color: var(--accent); border-radius: 2px;
}

.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ----- Header ----- */
header {
    background-color: var(--darker); box-shadow: var(--box-shadow);
    position: fixed; width: 100%; z-index: 1000;
    transition: var(--transition);
    border-bottom: .125rem solid rgba(255,255,255,0.1);
}
.header-container {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.8rem 2rem; max-width: 1400px; margin: 0 auto;
}
.logo { display: flex; align-items: center; gap: 0.3rem; text-decoration: none; }
.logo img { height: 40px; width: auto; }
.logo-text { font-size: 2rem; font-weight: 700; color: var(--light); }
.logo-text span { color: var(--accent); }

nav ul { display: flex; list-style: none; gap: 2rem; }
nav a {
    text-decoration: none; color: var(--text); font-weight: 600;
    font-size: 1rem; transition: var(--transition);
    position: relative; padding: 0.5rem 0;
}
nav a:hover { color: var(--accent); }
nav a::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 0; height: 2px; background-color: var(--accent);
    transition: var(--transition);
}
nav a:hover::after, nav a.active::after { width: 100%; }
nav a.active { color: var(--accent); }

.mobile-menu-btn { display: none; background: none; border: none; font-size: 1.5rem; color: var(--text); cursor: pointer; }

/* Mobile Menu */
.mobile-menu {
    position: fixed; top: 100px; left: 4%; width: 90%;
    background: var(--darker); box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    padding: 2rem; transform: translateY(-150%);
    transition: var(--transition); z-index: 999;
    border: 1px solid rgba(255,255,255,0.1); border-radius: var(--border-radius);
}
.mobile-menu.active { transform: translateY(0); }
.mobile-menu ul { list-style: none; display: flex; flex-direction: column; gap: 1.5rem; }
.mobile-menu a { text-decoration: none; color: var(--text); font-weight: 600; font-size: 1.1rem; display: block; padding: 0.5rem 0; }
.mobile-menu a:hover { color: var(--accent); }

/* ----- Hero Section ----- */
.hero {
    background: linear-gradient(135deg, var(--darker), var(--primary-dark));
    color: #fff; padding: 8rem 2rem 6rem;
    text-align: center; position: relative; overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; inset: 0;
    background: url('https://images.unsplash.com/photo-1555066931-4365d14bab8c?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
    opacity: 0.1; z-index: 0;
}
.hero-content { position: relative; z-index: 1; max-width: 800px; margin: 0 auto; }
.hero h1 { font-size: 3.5rem; margin-bottom: 1.5rem; font-weight: 700; }
.hero p { font-size: 1.25rem; margin-bottom: 2rem; line-height: 1.6; }

/* ----- About Section ----- */
.about-section { padding: 5rem 2rem; background-color: var(--dark); color: var(--text); }
.about-content { display: flex; flex-wrap: wrap; gap: 3rem; align-items: center; }
.about-text { flex: 1; min-width: 300px; }
.about-text h3 { font-size: 1.5rem; color: var(--light); margin-bottom: 1rem; }
.about-text p { color: var(--text-light); line-height: 1.8; margin-bottom: 1.5rem; }
.about-image { flex: 1; min-width: 300px; border-radius: var(--border-radius); overflow: hidden; box-shadow: var(--box-shadow); }
.about-image img { width: 100%; height: auto; display: block; }

/* ----- Technologies Section ----- */
.tech-section { padding: 5rem 2rem; background-color: var(--darker); }
.tech-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 2rem; max-width: 900px; margin: 0 auto; }
.tech-card {
    background: rgba(255,255,255,0.05); border-radius: var(--border-radius);
    padding: 1.5rem; text-align: center; box-shadow: var(--box-shadow);
    transition: var(--transition); backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.1);
}
.tech-card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.5); background: rgba(255,255,255,0.1); }
.tech-card img { width: 60px; height: 60px; margin-bottom: 1rem; }
.tech-card h3 { font-size: 1rem; color: var(--light); }

/* ----- Services / Cards ----- */
.services-section { padding: 5rem 2rem; background-color: var(--dark); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 2rem; }
.service-card {
    background: rgba(255,255,255,0.05); border-radius: var(--border-radius);
    overflow: hidden; box-shadow: var(--box-shadow); transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.1); backdrop-filter: blur(5px);
}
.service-card:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,0,0,0.5); background: rgba(255,255,255,0.1); }
.service-icon { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; padding: 1rem; text-align: center; font-size: 2.5rem; }
.service-content { padding: 1.5rem; }
.service-content h3 { color: var(--light); margin-bottom: 0.75rem; font-size: 1.25rem; }
.service-content p { color: var(--text-light); line-height: 1.6; margin-bottom: 1.5rem; }
.service-link { display: inline-flex; align-items: center; color: var(--accent); font-weight: 600; text-decoration: none; transition: var(--transition); }
.service-link i { margin-left: 0.5rem; transition: var(--transition); }
.service-link:hover { color: var(--secondary); }
.service-link:hover i { transform: translateX(3px); }

/* Service features (checkmark list) */
.service-features { list-style: none; padding: 0; margin: 1rem 0 0 0; }
.service-features li { padding: 0.5rem 0; color: var(--text-light); border-bottom: 1px solid rgba(255,255,255,0.1); }
.service-features li:last-child { border-bottom: none; }
.service-features li::before { content: "\2713"; color: var(--accent); font-weight: bold; margin-right: 0.5rem; }

/* Pricing */
.pricing { margin: 1rem 0; padding: 1rem; background: rgba(0,184,148,0.1); border-radius: 8px; border: 1px solid rgba(0,184,148,0.2); }
.price { font-size: 1.5rem; font-weight: 700; color: var(--accent); display: block; }
.duration { font-size: 0.9rem; color: var(--text-light); display: block; margin-top: 0.25rem; }

/* Process section */
.process-section { padding: 5rem 2rem; background-color: var(--darker); }
.process-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; max-width: 1000px; margin: 0 auto; }
.process-step {
    text-align: center; padding: 2rem;
    background: rgba(255,255,255,0.05); border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1); backdrop-filter: blur(5px);
    transition: var(--transition);
}
.process-step:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.5); background: rgba(255,255,255,0.1); }
.step-number {
    width: 60px; height: 60px; background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; font-weight: 700; margin: 0 auto 1rem;
}
.process-step h3 { color: var(--light); margin-bottom: 1rem; font-size: 1.25rem; }
.process-step p { color: var(--text-light); line-height: 1.6; }

/* Contact CTA */
.contact-cta-section { padding: 5rem 2rem; background: linear-gradient(135deg, var(--darker), var(--primary-dark)); color: #fff; text-align: center; }
.contact-cta-content { max-width: 600px; margin: 0 auto; }
.contact-cta-content h2 { color: #fff; margin-bottom: 1rem; font-size: 2.5rem; }
.contact-cta-content p { color: var(--text-light); font-size: 1.1rem; margin-bottom: 2rem; line-height: 1.6; }

/* ----- Collaborators ----- */
.collab-section { padding: 5rem 2rem; background-color: var(--darker); }
.collab-card {
    background: rgba(255,255,255,0.05); border-radius: var(--border-radius);
    padding: 2rem; display: flex; align-items: center; gap: 2rem;
    box-shadow: var(--box-shadow); max-width: 800px; margin: 0 auto;
    border: 1px solid rgba(255,255,255,0.1); backdrop-filter: blur(5px);
}
.collab-logo { width: 100px; height: 100px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.collab-logo img { width: 100%; height: 100%; object-fit: cover; }
.collab-info h3 { color: var(--light); margin-bottom: 0.5rem; font-size: 1.5rem; }
.collab-info p { color: var(--text-light); line-height: 1.6; }

/* ----- Contact Section ----- */
.contact-section { padding: 5rem 2rem; background: linear-gradient(135deg, var(--darker), var(--primary-dark)); color: #fff; }
.contact-container { max-width: 800px; margin: 0 auto; text-align: center; }
.contact-container h2 { color: #fff; }
.contact-container h2::after { background-color: var(--accent); }
.contact-methods { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; margin-top: 3rem; }
.contact-method {
    background: rgba(255,255,255,0.1); backdrop-filter: blur(10px);
    border-radius: var(--border-radius); padding: 2rem;
    transition: var(--transition); border: 1px solid rgba(255,255,255,0.1);
}
.contact-method:hover { transform: translateY(-5px); background: rgba(255,255,255,0.15); }
.contact-method i { font-size: 2.5rem; margin-bottom: 1rem; color: var(--accent); }
.contact-method h3 { margin-bottom: 1rem; }
.contact-method a { color: #fff; text-decoration: none; transition: var(--transition); display: inline-block; margin-top: 1rem; font-weight: 600; }
.contact-method a:hover { color: var(--accent); }

/* Social */
.social-wrapper { display: flex; justify-content: center; gap: 2.5rem; margin-top: 4rem; flex-wrap: wrap; }
.person-card {
    background: rgba(255,255,255,0.05); backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1); border-radius: var(--border-radius);
    padding: 2rem; min-width: 320px; transition: var(--transition);
}
.person-card:hover { transform: translateY(-5px); border-color: var(--accent); background: rgba(255,255,255,0.08); }
.person-card h4 { color: var(--light); margin-bottom: 1.5rem; font-size: 1.1rem; text-transform: uppercase; letter-spacing: 1px; }
.social-links { display: flex; justify-content: center; gap: 1rem; margin-top: 0; }
.social-link {
    width: 45px; height: 45px; background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.1); color: #fff; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    text-decoration: none; transition: var(--transition);
}
.social-link:hover { background: var(--accent); color: var(--dark); transform: translateY(-3px); }
.hf-icon img { width: 20px; height: 20px; filter: brightness(0) invert(1); }
.social-link:hover img { filter: none; }

/* ----- Footer ----- */
footer { background-color: var(--darker); color: #fff; padding: 4rem 2rem 2rem; border-top: 1px solid rgba(255,255,255,0.1); }
.footer-container { max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 3rem; }
.footer-logo { display: flex; align-items: center; gap: 0.3rem; margin-bottom: 1.5rem; }
.footer-logo img { height: 40px; width: auto; }
.footer-logo-text { font-size: 2rem; font-weight: 700; color: #fff; }
.footer-logo-text span { color: var(--accent); }
.footer-about p { color: var(--text-light); line-height: 1.6; margin-bottom: 1.5rem; }
.footer-team { margin-top: 20px; display: flex; flex-direction: column; gap: 15px; }
.team-member { display: flex; flex-direction: column; gap: 8px; }
.member-name { font-size: 14px; font-weight: 600; color: #e0e0e0; text-transform: uppercase; letter-spacing: 1px; }
.team-member .footer-social { justify-content: flex-start; margin: 0; }
.footer-social { display: flex; gap: 1rem; }
.footer-social a {
    display: flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 50%;
    background: rgba(255,255,255,0.1); color: #fff;
    transition: var(--transition); border: 1px solid rgba(255,255,255,0.1);
}
.footer-social a:hover { background: var(--accent); transform: translateY(-3px); color: var(--dark); }
.footer-links h3 { font-size: 1.25rem; margin-bottom: 1.5rem; position: relative; padding-bottom: 0.75rem; color: var(--light); }
.footer-links h3::after { content: ''; position: absolute; bottom: 0; left: 0; width: 50px; height: 2px; background: var(--accent); }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 0.75rem; }
.footer-links a { color: var(--text-light); text-decoration: none; transition: var(--transition); }
.footer-links a:hover { color: var(--accent); padding-left: 5px; }
.footer-contact p { display: flex; align-items: center; gap: 0.75rem; color: var(--text-light); margin-bottom: 1rem; }
.footer-contact i { color: var(--accent); }
.footer-bottom { text-align: center; padding-top: 3rem; margin-top: 3rem; border-top: 1px solid rgba(255,255,255,0.1); color: var(--text-light); font-size: 0.9rem; }
.footer-bottom a { color: var(--accent); text-decoration: none; }

/* ----- Animations ----- */
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn 0.8s ease forwards; }
.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }

/* ----- Responsive ----- */
@media (max-width: 992px) { nav ul { gap: 1.5rem; } }
@media (max-width: 768px) {
    .header-container { padding: 0.8rem; }
    nav { display: none; }
    .mobile-menu-btn { display: block; }
    .hero { padding: 6rem 1rem 4rem; }
    .hero h1 { font-size: 2.25rem; }
    .about-content { flex-direction: column; }
    .collab-card { flex-direction: column; text-align: center; }
    .footer-container { grid-template-columns: 1fr; }
}