/* 
Premium Design System & Responsive Framework 
Target: High-End Corporate Aesthetics
*/

:root {
    --primary-blue: #004a99;
    --secondary-blue: #002d5e;
    --accent-orange: #f37021;
    --text-dark: #1a1a1a;
    --text-muted: #555;
    --bg-light: #f8fbff;
    --white: #ffffff;
    --border: rgba(0,0,0,0.06);
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.08);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: #fff;
}

/* Typography Overhaul */
h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--secondary-blue);
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

/* Global Utilities */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 5%; }
.section-padding { padding: 100px 5%; }
.divider { width: 60px; height: 4px; background: var(--accent-orange); margin: 20px 0; border-radius: 2px; }

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-orange {
    background: var(--accent-orange);
    color: #fff;
    box-shadow: 0 4px 15px rgba(243, 112, 33, 0.3);
}

.btn-orange:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(243, 112, 33, 0.4);
    background: #e06015;
}

/* Header & Navigation (Desktop) */
header {
    height: 85px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(15px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 8%;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    display: flex;
    flex-direction: column;
}

.logo span { color: var(--accent-orange); }
.logo small { font-size: 0.6rem; color: #666; font-weight: 500; margin-top: 2px; }

.main-nav ul {
    display: flex;
    gap: 30px;
}

.main-nav a {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--secondary-blue);
}

.main-nav a:hover { color: var(--accent-orange); }

/* Hero Section */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    gap: 50px;
    padding: 80px 8%;
    background: radial-gradient(circle at top right, rgba(0,74,153,0.05), transparent);
}

.hero-content { flex: 1.2; }
.hero-image { flex: 0.8; text-align: right; }

.hero h1 { font-size: 3.8rem; margin-bottom: 25px; line-height: 1.1; }
.hero p { font-size: 1.15rem; color: var(--text-muted); margin-bottom: 40px; max-width: 600px; }

.hero-image img {
    max-width: 100%;
    border-radius: 24px;
    box-shadow: 20px 20px 60px rgba(0,0,0,0.1);
}

/* Feature Rows Panels */
.feature-row {
    display: flex;
    align-items: center;
    gap: 80px;
    margin-bottom: 120px;
}

.feature-row.reverse { flex-direction: row-reverse; }
.feature-img, .feature-text { flex: 1; }

.feature-img img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.feature-text h3 { font-size: 2.2rem; margin-bottom: 20px; }

.feature-list { margin: 25px 0; }
.feature-list li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    font-weight: 500;
    font-size: 1.05rem;
}

.feature-list i { color: #2ecc71; margin-right: 12px; font-size: 1.2rem; }

/* Grid Services */
.grid-services {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: #fff;
    padding: 50px 40px;
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-12px);
    border-color: var(--accent-orange);
    box-shadow: var(--shadow-md);
}

.service-card i { font-size: 3rem; color: var(--primary-blue); margin-bottom: 30px; }
.service-card h4 { font-size: 1.4rem; margin-bottom: 15px; }

/* Article & Blog Details */
.article-header {
    background: var(--secondary-blue);
    padding: 120px 8% 180px;
    text-align: center;
    color: #fff;
}

.article-header h1 { color: #fff; font-size: 3.2rem; max-width: 950px; margin: 0 auto; letter-spacing: -0.03em; }
.article-meta { margin-top: 25px; opacity: 0.8; font-size: 1rem; }

.article-body {
    background: #fff;
    padding: 80px 12%;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 10;
    margin-top: -120px;
}

.article-body p { margin-bottom: 30px; font-size: 1.15rem; color: #333; }
.article-body h2 { margin: 50px 0 25px; font-size: 2rem; }

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    margin: 40px 0;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

blockquote {
    border-left: 6px solid var(--accent-orange);
    padding: 30px 40px;
    background: #fdf5ef;
    font-style: italic;
    font-size: 1.25rem;
    margin: 40px 0;
    border-radius: 0 12px 12px 0;
}

/* Blog List View */
.blog-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 50px; }

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 35px;
}

.blog-card {
    background: #1a1a1a;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}

.blog-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.2); }
.blog-card img { width: 100%; height: 240px; object-fit: cover; }
.blog-card .blog-content { padding: 30px; }
.blog-card h4 { color: #fff; font-size: 1.35rem; margin-top: 10px; }
.blog-card p { color: #aaa; font-size: 0.95rem; margin-bottom: 25px; }

/* Sidebar Widgets */
.sidebar-widget {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border);
    margin-bottom: 35px;
}

.sidebar-widget h5 { font-size: 1.25rem; margin-bottom: 25px; position: relative; display: inline-block; }
.sidebar-widget h5::after { content: ''; position: absolute; bottom: -8px; left: 0; width: 40px; height: 3px; background: var(--accent-orange); }

.popular-post-item { display: flex; gap: 20px; margin-bottom: 25px; align-items: center; }
.popular-post-item img { width: 85px; height: 85px; border-radius: 12px; object-fit: cover; }
.popular-post-item h6 { font-size: 0.95rem; font-weight: 700; color: var(--secondary-blue); }

/* Footer */
footer {
    background: #080d12;
    color: rgba(255,255,255,0.7);
    padding: 100px 8% 40px;
}

.footer-main { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 80px; margin-bottom: 80px; }
.footer-col h4 { color: #fff; margin-bottom: 30px; font-size: 1.2rem; }
.footer-col ul li { margin-bottom: 15px; }
.footer-col a:hover { color: #fff; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 40px;
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

/* Floating Elements */
.whatsapp-float {
    position: fixed;
    bottom: 35px;
    right: 35px;
    width: 65px;
    height: 65px;
    background: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.4);
    z-index: 1001;
    transition: var(--transition);
}

.whatsapp-float:hover { transform: scale(1.15) rotate(15deg); }

/* Top Bar */
.top-bar {
    background: var(--secondary-blue);
    color: #fff;
    padding: 10px 8%;
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
}

/* ======================================================
   MOBILE PREMIUM OVERHAUL (max-width: 992px)
   ====================================================== */

.mobile-menu-toggle { display: none; }

@media (max-width: 992px) {
    /* Critical Overflows */
    html, body { overflow-x: hidden; position: relative; }
    
    section { padding: 70px 6%; }
    .top-bar { display: none; }

    /* Header & Logo */
    header {
        height: 75px;
        padding: 0 6%;
        background: rgba(255, 255, 255, 0.98);
    }

    .logo { font-size: 1.3rem; }
    .logo small { display: block !important; opacity: 0.8; font-size: 0.55rem; }

    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        font-size: 1.7rem;
        color: var(--primary-blue);
        cursor: pointer;
        z-index: 2000;
    }

    /* Professional Full-Screen Menu Overlay */
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: #fff;
        z-index: 1900;
        transition: 0.5s cubic-bezier(0.77, 0, 0.175, 1);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
    }

    .main-nav.active {
        right: 0;
        opacity: 1;
        visibility: visible;
    }

    .main-nav ul {
        flex-direction: column;
        text-align: center;
        gap: 35px;
    }

    .main-nav a {
        font-size: 1.8rem;
        font-weight: 800;
        color: var(--secondary-blue);
    }

    .header-btn { display: none !important; }

    /* Hero Responsive Premium */
    .hero {
        padding: 130px 6% 70px;
        flex-direction: column-reverse;
        text-align: center;
        gap: 50px;
        min-height: auto;
    }

    .hero-content { width: 100%; }
    .hero h1 { font-size: 2.2rem; margin-bottom: 20px; }
    .hero p { font-size: 1.05rem; margin: 0 auto 35px; opacity: 0.8; }
    
    .hero-image { width: 100%; text-align: center; }
    .hero-image img { max-width: 85%; border-radius: 20px; box-shadow: 0 30px 60px rgba(0,0,0,0.15); }

    /* Feature Rows Balanced */
    .feature-row, .feature-row.reverse {
        flex-direction: column;
        gap: 40px;
        margin-bottom: 80px;
        text-align: center;
    }

    .feature-text h3 { font-size: 1.8rem; margin-bottom: 20px; }
    .feature-list { display: inline-block; text-align: left; width: 100%; margin-top: 25px; }
    .feature-list li { font-size: 1rem; padding: 12px 0; border-bottom: 1px solid rgba(0,0,0,0.05); }

    /* Grid & Cards Responsive */
    .grid-services { grid-template-columns: 1fr; gap: 25px; }
    .service-card { padding: 45px 30px; }

    .blog-grid { grid-template-columns: 1fr; gap: 30px; }
    .blog-layout { grid-template-columns: 1fr; gap: 50px; }

    /* Article Polish */
    .article-header h1 { font-size: 2.2rem; padding: 0 5%; }
    .article-body { padding: 50px 7%; margin-top: -100px; }
    .article-body h2 { font-size: 1.6rem; }

    /* Floating UI */
    .whatsapp-float { bottom: 25px; right: 25px; width: 58px; height: 58px; font-size: 28px; }
    .btn { width: 100%; text-align: center; padding: 18px 25px; }

    /* Footer */
    .footer-main { grid-template-columns: 1fr; gap: 50px; text-align: center; }
    .footer-col h4::after { left: 50%; transform: translateX(-50%); margin-left: 0; }
    .footer-bottom { flex-direction: column; gap: 20px; text-align: center; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.9rem; }
    .section-title h2 { font-size: 1.7rem; }
    header { padding: 0 4%; }
}