/* ========================================================
   TELNEXT ENTERPRISE DESIGN SYSTEM - CSS
   ======================================================== */
:root {
    --font-main: 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'Space Grotesk', monospace;

    --bg-dark: #060911;
    --bg-surface: #0B111E;
    --bg-card: #0F172A;
    --bg-card-hover: #141F36;
    --border-color: #1E2D4A;
    --border-glow: rgba(0, 210, 255, 0.3);

    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;

    --accent-cyan: #00D2FF;
    --accent-blue: #0284C7;
    --accent-emerald: #10B981;
    --accent-purple: #8B5CF6;
    --accent-amber: #F59E0B;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;

    --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 25px rgba(0, 210, 255, 0.25);
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Dropdown Navigation */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(6, 9, 17, 0.85);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 76px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-badge {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.35rem;
    color: #060911;
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
}

.logo-name {
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.logo-name span {
    color: var(--accent-cyan);
}

.nav-desktop ul.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.nav-item:hover, .nav-item.active {
    color: var(--accent-cyan);
}

/* Dropdown Menu */
.dropdown-item {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: -20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 0;
    min-width: 280px;
    list-style: none;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.2s ease;
    z-index: 1100;
}

.dropdown-item:hover .dropdown-menu {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1.25rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.15s ease;
}

.dropdown-menu li a:hover {
    background: rgba(0, 210, 255, 0.1);
    color: var(--accent-cyan);
    padding-left: 1.5rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.35rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.25s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: #060911;
    box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 210, 255, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-outline:hover {
    background: var(--bg-card);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-lg {
    padding: 0.85rem 1.85rem;
    font-size: 1.05rem;
}

/* Page Hero */
.page-hero {
    padding: 5rem 0 3.5rem 0;
    background: radial-gradient(circle at 50% 0%, rgba(0, 210, 255, 0.12), transparent 70%);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.95rem;
    border-radius: 999px;
    background: rgba(0, 210, 255, 0.1);
    border: 1px solid var(--border-glow);
    color: var(--accent-cyan);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

.page-title {
    font-size: 2.85rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 780px;
    margin: 0 auto 2rem auto;
}

/* Grids & Cards */
.section-py {
    padding: 5rem 0;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    align-items: center;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow);
}

.card-icon {
    width: 54px;
    height: 54px;
    border-radius: 12px;
    background: rgba(0, 210, 255, 0.1);
    border: 1px solid var(--border-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--accent-cyan);
    margin-bottom: 1.25rem;
}

.card-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.card-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Feature List */
.feature-checklist {
    list-style: none;
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.feature-checklist li {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.feature-checklist li i {
    color: var(--accent-emerald);
}

/* Form Styles */
.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-card);
}

.form-group {
    margin-bottom: 1.35rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.95rem;
    outline: none;
    transition: all 0.2s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 210, 255, 0.2);
}

/* Footer */
.site-footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 4.5rem 0 2rem 0;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1.2fr 1.2fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3.5rem;
}

.footer-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 1rem 0 1.25rem 0;
    line-height: 1.6;
}

.footer-heading {
    font-size: 1.05rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-legal-links {
    display: flex;
    gap: 1.5rem;
}

.footer-legal-links a {
    color: var(--text-muted);
    text-decoration: none;
}

.footer-legal-links a:hover {
    color: var(--accent-cyan);
}

@media (max-width: 992px) {
    .grid-3, .grid-2, .footer-grid {
        grid-template-columns: 1fr;
    }
    .page-title {
        font-size: 2.25rem;
    }
}