/* --- High-End Enterprise Design System --- */
:root {
    --primary-dark: #0a1128;    /* Ultra-deep obsidian navy */
    --primary-slate: #1c2541;   /* Rich corporate slate */
    --accent-blue: #00b4d8;     /* Vibrant electric tech cyan */
    --accent-glow: #90e0ef;     /* Soft glow blue */
    --text-main: #f8fafc;       /* Crisp near-white for dark sections */
    --text-body: #334155;       /* Polished charcoal for body copy */
    --text-muted: #64748b;      /* Elegant slate gray for subtext */
    --bg-light: #f8fafc;        /* Premium off-white canvas */
    --bg-white: #ffffff;        /* Pure white for depth contrast */
    --border-color: #e2e8f0;    /* Geometric grid lines */
    --shadow-sm: 0 4px 12px rgba(10, 17, 40, 0.03);
    --shadow-md: 0 12px 34px rgba(10, 17, 40, 0.06);
    --shadow-lg: 0 20px 50px rgba(10, 17, 40, 0.12);
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-body);
    background-color: var(--bg-white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 90%; max-width: 1240px; margin: 0 auto;
}

/* --- Premium Inline Graphic & Image Frame System --- */
.page-graphic-frame {
    width: 100% !important;
    max-width: 450px !important;       /* Compact layout constraint */
    height: 260px !important;          /* Elegant proportional height */
    border-radius: 16px !important;    /* Modern heavily rounded corners */
    overflow: hidden !important;
    margin-bottom: 30px !important;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: block !important;
}

.page-inline-image {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
    transition: var(--transition) !important;
}

/* Subtle interactive zoom when a user hovers over the block */
.page-graphic-frame:hover .page-inline-image {
    transform: scale(1.03) !important;
}

/* --- Premium Logo & Header Navigation System --- */
.navbar {
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    padding: 16px 0;
    position: sticky; top: 0; z-index: 1000;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-color);
}

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

.logo-wrapper {
    display: flex; align-items: center; gap: 10px; text-decoration: none; transition: var(--transition);
}

.logo-wrapper, .logo-text {
    text-decoration: none !important;
}

.header-logo-icon {
    width: 28px; height: 28px; color: var(--accent-blue);
}

.logo-text {
    font-size: 24px; font-weight: 800; color: var(--primary-dark); letter-spacing: -0.75px; text-transform: lowercase;
}

.logo-text span { color: var(--accent-blue); }

nav { display: flex; align-items: center; }

nav a {
    text-decoration: none; color: var(--primary-slate); font-weight: 600;
    margin-left: 28px; font-size: 15px; transition: var(--transition);
    position: relative; padding: 4px 0;
}

nav a:not(.btn-nav):::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 0; height: 2px; background-color: var(--accent-blue);
    transition: var(--transition);
}

nav a:not(.btn-nav):hover:::after, 
nav a.active:::after {
    width: 100%;
}

nav a:hover, nav a.active { color: var(--accent-blue); }

nav .btn-nav {
    background-color: var(--primary-dark); color: var(--bg-white);
    padding: 11px 22px; border-radius: 6px; box-shadow: var(--shadow-sm);
}

nav .btn-nav:hover {
    background-color: var(--accent-blue); color: var(--primary-dark); transform: translateY(-1px);
}

/* --- Cinematic Self-Hosted Video Hero Configuration --- */
.hero {
    color: var(--text-main);
    padding: 210px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    background-color: var(--primary-dark);
}

.hero-bg-video {
    position: absolute;
    top: 50%; left: 50%;
    min-width: 100%; min-height: 100%;
    width: auto; height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(10, 17, 40, 0.88) 0%, rgba(28, 37, 65, 0.82) 100%);
    z-index: 2;
}

.hero-content-box {
    position: relative;
    z-index: 3;
}

.hero-badge {
    background-color: rgba(0, 180, 216, 0.15);
    color: var(--accent-glow);
    padding: 8px 18px; border-radius: 50px; font-size: 13px;
    font-weight: 700; display: inline-block; margin-bottom: 26px;
    border: 1px solid rgba(0, 180, 216, 0.3); text-transform: uppercase;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: 56px; font-weight: 800; margin-bottom: 24px;
    line-height: 1.15; letter-spacing: -1.5px; max-width: 950px;
    margin-left: auto; margin-right: auto;
}

.hero p {
    font-size: 21px; color: #cbd5e1; max-width: 760px;
    margin: 0 auto 45px auto; font-weight: 400; line-height: 1.6;
}

.hero-actions { display: flex; justify-content: center; gap: 20px; }

/* --- Global Layout Buttons --- */
.btn-primary {
    display: inline-block; background-color: var(--accent-blue); color: var(--primary-dark);
    text-decoration: none; padding: 16px 34px; font-weight: 700; border-radius: 6px;
    transition: var(--transition); border: none; cursor: pointer;
    box-shadow: 0 4px 14px rgba(0, 180, 216, 0.3); font-size: 15px;
}

.btn-primary:hover {
    background-color: var(--accent-glow); transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 180, 216, 0.4);
}

.btn-secondary {
    display: inline-block; background-color: rgba(255, 255, 255, 0.05); color: var(--bg-white);
    text-decoration: none; padding: 16px 34px; font-weight: 700; border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.3); transition: var(--transition); font-size: 15px;
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.12); border-color: var(--bg-white); transform: translateY(-2px);
}

/* --- Multi-Page Subheader Banner Frame --- */
.page-title-banner {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-slate) 100%);
    color: var(--text-main); padding: 90px 0; text-align: center;
    border-bottom: 4px solid var(--accent-blue);
}

.page-title-banner h1 { font-size: 44px; font-weight: 800; margin-bottom: 15px; letter-spacing: -1px; }
.page-title-banner p { color: #94a3b8; font-size: 19px; max-width: 750px; margin: 0 auto; }

/* --- Section Structuring Layouts --- */
section { padding: 110px 0; }
.home-features-section { background-color: var(--bg-light); }

.section-subtitle {
    display: block; color: var(--accent-blue); font-size: 13px;
    font-weight: 700; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 12px;
}

.section-header-center { text-align: center; margin-bottom: 60px; }
.section-header-center h2 { font-size: 38px; color: var(--primary-dark); font-weight: 800; letter-spacing: -0.75px; }

.underline-center {
    width: 65px; height: 5px; background-color: var(--accent-blue);
    margin: 16px auto 0 auto; border-radius: 3px;
}

.section-header h2 { font-size: 38px; color: var(--primary-dark); font-weight: 800; letter-spacing: -0.75px; }
.underline { width: 65px; height: 5px; background-color: var(--accent-blue); margin-top: 16px; margin-bottom: 45px; border-radius: 3px; }

/* --- Premium Multi-Page Informational Blocks --- */
.info-rich-layout { display: grid; grid-template-columns: 2.2fr 1fr; gap: 65px; align-items: start; }
.content-body p { font-size: 17px; color: var(--text-body); margin-bottom: 24px; line-height: 1.8; }
.content-body h3 { font-size: 24px; color: var(--primary-dark); margin: 45px 0 20px 0; font-weight: 700; }

.feature-checklist { list-style: none; margin: 28px 0; }
.feature-checklist li { position: relative; padding-left: 32px; margin-bottom: 18px; font-size: 16px; color: var(--text-body); }
.feature-checklist li:::before {
    content: "✓"; position: absolute; left: 0; top: 2px; width: 20px; height: 20px;
    background-color: rgba(0, 180, 216, 0.1); color: var(--accent-blue);
    border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 11px;
}

.sidebar-box {
    background-color: var(--bg-light); padding: 40px; border-radius: 8px;
    border: 1px solid var(--border-color); box-shadow: var(--shadow-sm); border-top: 4px solid var(--primary-dark);
}
.sidebar-box h4 { font-size: 20px; color: var(--primary-dark); margin-bottom: 20px; font-weight: 700; }
.sidebar-box ol { margin-left: 18px; }
.sidebar-box ol li { margin-bottom: 12px; font-size: 15px; color: var(--text-body); font-weight: 500; }

/* --- 3-Column Corporate Solution Grids with Graphic Icons --- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 35px; }
.info-card {
    background-color: var(--bg-white); padding: 45px 35px; border-radius: 8px;
    border: 1px solid var(--border-color); box-shadow: var(--shadow-sm); transition: var(--transition);
    display: flex; flex-direction: column; position: relative; overflow: hidden;
}

.info-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: rgba(0, 180, 216, 0.3); }

/* Glowing vector header graphic block styling */
.card-graphic-header {
    width: 54px; height: 54px; background-color: rgba(0, 180, 216, 0.08);
    border-radius: 10px; display: flex; align-items: center; justify-content: center;
    color: var(--accent-blue); margin-bottom: 24px; transition: var(--transition);
}
.info-card:hover .card-graphic-header {
    background-color: var(--accent-blue); color: var(--primary-dark);
}
.card-svg-icon { width: 26px; height: 26px; }

.info-card h3 { font-size: 22px; color: var(--primary-dark); margin-bottom: 12px; font-weight: 700; }

.card-divider {
    width: 35px; height: 3px; background-color: var(--border-color);
    margin-bottom: 18px; border-radius: 2px; transition: var(--transition);
}
.info-card:hover .card-divider { width: 55px; background-color: var(--accent-blue); }

.info-card p { font-size: 15px; color: var(--text-muted); line-height: 1.7; flex-grow: 1; }

.card-action-link {
    text-decoration: none; color: var(--accent-blue); font-weight: 700; font-size: 14px;
    margin-top: 25px; display: inline-block; transition: var(--transition);
}
.card-action-link:hover { color: var(--primary-dark); transform: translateX(3px); }

/* --- Interactive Contact Framework Components --- */
.contact-grid { display: flex; justify-content: center; gap: 35px; margin-top: 45px; }
.contact-card-box {
    background-color: var(--bg-light); border: 1px solid var(--border-color);
    padding: 40px; border-radius: 8px; text-align: center; width: 340px; transition: var(--transition); box-shadow: var(--shadow-sm);
}
.contact-card-box:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--accent-blue); }
.contact-card-box h4 { font-size: 19px; margin-bottom: 8px; color: var(--primary-dark); font-weight: 700; }
.contact-card-box p { color: var(--text-body); font-size: 16px; }

/* --- Popup Modal Framework Style Elements --- */
.modal {
    display: none; position: fixed; z-index: 2000; left: 0; top: 0;
    width: 100%; height: 100%; background-color: rgba(10, 17, 40, 0.7);
    backdrop-filter: blur(8px); align-items: center; justify-content: center;
}
.modal-content {
    background-color: var(--bg-white); padding: 50px 45px; border-radius: 12px;
    width: 90%; max-width: 480px; text-align: center; position: relative; box-shadow: var(--shadow-lg);
    animation: modalAppear 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes modalAppear {
    from { opacity: 0; transform: scale(0.92) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}
.close-btn { position: absolute; right: 24px; top: 20px; font-size: 30px; cursor: pointer; color: var(--text-muted); transition: var(--transition); line-height: 1; }
.close-btn:hover { color: var(--primary-dark); transform: rotate(90deg); }
.modal-content h3 { color: var(--primary-dark); font-size: 24px; font-weight: 800; margin-bottom: 8px; }
.modal-email-target { font-size: 15px; color: var(--accent-blue); margin-bottom: 30px; font-weight: 600; }
.modal-options { display: flex; flex-direction: column; gap: 14px; }
.modal-link { display: flex; align-items: center; justify-content: center; padding: 14px; text-decoration: none; border-radius: 6px; font-weight: 700; font-size: 15px; transition: var(--transition); border: none; }
.modal-link.gmail { background-color: #ea4335; color: white; box-shadow: 0 4px 12px rgba(234, 67, 53, 0.2); }
.modal-link.outlook { background-color: #0078d4; color: white; box-shadow: 0 4px 12px rgba(0, 120, 212, 0.2); }
.modal-link.yahoo { background-color: #6001d2; color: white; box-shadow: 0 4px 12px rgba(96, 1, 210, 0.2); }
.modal-link.default-app { background-color: #f1f5f9; color: var(--primary-dark); }
.modal-link.copy-btn { background-color: var(--primary-dark); color: white; cursor: pointer; box-shadow: 0 4px 12px rgba(10, 17, 40, 0.2); }
.modal-link:hover { opacity: 0.95; transform: translateY(-2px); }

/* --- Logo Link Underline Reset --- */
.logo-wrapper, .logo-text { text-decoration: none !important; }

/* --- Footer --- */
footer {
    background-color: var(--primary-dark); color: #64748b; padding: 45px 0;
    text-align: center; font-size: 14px; border-top: 1px solid #111827;
}

/* --- Responsive Viewports --- */
@media (max-width: 992px) {
    .info-rich-layout, .grid-3 { grid-template-columns: 1fr; gap: 45px; }
}
@media (max-width: 768px) {
    .navbar .container { flex-direction: column; gap: 18px; }
    nav a { margin: 0 10px; font-size: 14px; }
    .hero h1 { font-size: 34px; }
    .hero p { font-size: 18px; }
    .contact-grid { flex-direction: column; align-items: center; }
    .contact-card-box { width: 100%; }
}