/**
 * Twozero Labs WHMCS Theme - Light Edition
 * Professional, clean design system
 */

/* ========================================
   COLOR SYSTEM
   ======================================== */
:root {
    /* Base Colors */
    --tz-white: #ffffff;
    --tz-gray-50: #f9fafb;
    --tz-gray-100: #f3f4f6;
    --tz-gray-200: #e5e7eb;
    --tz-gray-300: #d1d5db;
    --tz-gray-400: #9ca3af;
    --tz-gray-500: #6b7280;
    --tz-gray-600: #4b5563;
    --tz-gray-700: #374151;
    --tz-gray-800: #1f2937;
    --tz-gray-900: #111827;
    
    /* Brand Colors - Black Theme */
    --tz-primary: #1a1a1a;
    --tz-primary-dark: #000000;
    --tz-primary-light: #2a2a2a;
    --tz-primary-pale: #f5f5f5;
    
    /* Utility Colors */
    --tz-success: #10b981;
    --tz-warning: #f59e0b;
    --tz-danger: #ef4444;
    --tz-info: #06b6d4;
}

/* ========================================
   BASE STYLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--tz-gray-700);
    background-color: var(--tz-gray-50);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--tz-gray-900);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

a {
    color: var(--tz-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--tz-primary-dark);
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
.tz-header {
    background-color: var(--tz-white);
    border-bottom: 1px solid var(--tz-gray-200);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.tz-header .navbar {
    padding: 1rem 0;
}

.tz-logo {
    max-width: 150px;
    height: auto;
}

.tz-brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--tz-gray-900);
}

.tz-header .nav-link {
    color: var(--tz-gray-600) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: color 0.2s ease;
}

.tz-header .nav-link:hover {
    color: var(--tz-primary) !important;
}

.tz-nav-cta {
    background-color: var(--tz-primary);
    color: var(--tz-white) !important;
    border-radius: 6px;
    padding: 0.5rem 1.5rem !important;
    margin-left: 0.5rem;
}

.tz-nav-cta:hover {
    background-color: var(--tz-primary-dark);
    color: var(--tz-white) !important;
}

/* ========================================
   HERO SECTION
   ======================================== */
.tz-hero {
    background: linear-gradient(135deg, var(--tz-gray-50) 0%, var(--tz-white) 100%);
    padding: 80px 0 100px;
    border-bottom: 1px solid var(--tz-gray-200);
    position: relative;
}

.tz-hero-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at 80% 50%, rgba(26, 26, 26, 0.03), transparent 60%);
    pointer-events: none;
}

.tz-hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--tz-gray-900);
    letter-spacing: -0.02em;
}

.tz-highlight {
    color: var(--tz-primary);
    position: relative;
    display: inline-block;
}

.tz-highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 12px;
    background: var(--tz-primary-pale);
    z-index: -1;
}

.tz-hero-subtitle {
    font-size: 1.25rem;
    color: var(--tz-gray-600);
    margin-bottom: 2rem;
}

/* Domain Search */
.tz-domain-search .form-control {
    background-color: var(--tz-white);
    border: 1px solid var(--tz-gray-300);
    color: var(--tz-gray-900);
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    border-radius: 6px 0 0 6px;
}

.tz-domain-search .form-control:focus {
    border-color: var(--tz-primary);
    box-shadow: 0 0 0 3px var(--tz-primary-pale);
    outline: none;
}

.tz-domain-search .btn-primary {
    background-color: var(--tz-primary);
    border: none;
    color: var(--tz-white);
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: 0 6px 6px 0;
}

.tz-domain-search .btn-primary:hover {
    background-color: var(--tz-primary-dark);
}

/* Hero Stats */
.tz-hero-stats {
    padding-top: 2rem;
}

.tz-stat {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--tz-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.tz-stat span {
    display: block;
    font-size: 0.75rem;
    color: var(--tz-gray-500);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
}

/* Hero Visual */
.tz-hero-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tz-grid-sphere {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(26, 26, 26, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    border: 2px solid rgba(26, 26, 26, 0.1);
    position: relative;
}

.tz-grid-sphere::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(26, 26, 26, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    border: 1px solid rgba(26, 26, 26, 0.08);
}

.tz-grid-sphere::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(26, 26, 26, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

/* ========================================
   FEATURES SECTION
   ======================================== */
.tz-features {
    padding: 100px 0;
    background-color: var(--tz-white);
}

.tz-section-title {
    font-size: 2.5rem;
    color: var(--tz-gray-900);
    margin-bottom: 1rem;
}

.tz-section-subtitle {
    font-size: 1.25rem;
    color: var(--tz-gray-600);
    margin-bottom: 3rem;
}

.tz-feature-card {
    background-color: var(--tz-white);
    border: 1px solid var(--tz-gray-200);
    border-radius: 12px;
    padding: 2rem;
    height: 100%;
    transition: all 0.3s ease;
}

.tz-feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--tz-primary);
}

.tz-feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--tz-primary);
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.tz-feature-icon i {
    font-size: 1.75rem;
    color: var(--tz-white);
}

.tz-feature-card h4 {
    font-size: 1.25rem;
    color: var(--tz-gray-900);
    margin-bottom: 0.75rem;
}

.tz-feature-card p {
    color: var(--tz-gray-600);
    line-height: 1.6;
    margin-bottom: 0;
}

/* ========================================
   CTA SECTION
   ======================================== */
.tz-cta {
    padding: 100px 0;
    background: var(--tz-gray-50);
    text-align: center;
    border-top: 1px solid var(--tz-gray-200);
}

.tz-cta-title {
    font-size: 2.5rem;
    color: var(--tz-gray-900);
    margin-bottom: 1rem;
}

.tz-cta-subtitle {
    font-size: 1.25rem;
    color: var(--tz-gray-600);
    margin-bottom: 2rem;
}

.tz-btn-primary {
    background-color: var(--tz-primary);
    border: none;
    color: var(--tz-white);
    font-weight: 600;
    padding: 1rem 2.5rem;
    border-radius: 6px;
    transition: all 0.2s ease;
    display: inline-block;
    font-size: 1rem;
}

.tz-btn-primary:hover {
    background-color: var(--tz-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    color: var(--tz-white);
}

.tz-btn-outline {
    background: transparent;
    border: 2px solid var(--tz-primary);
    color: var(--tz-primary);
    font-weight: 600;
    padding: 0.925rem 2.5rem;
    border-radius: 6px;
    transition: all 0.2s ease;
    display: inline-block;
    font-size: 1rem;
}

.tz-btn-outline:hover {
    background-color: var(--tz-primary);
    color: var(--tz-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* ========================================
   FOOTER
   ======================================== */
.tz-footer {
    background-color: var(--tz-gray-900);
    color: var(--tz-gray-400);
    padding: 60px 0 0;
}

.tz-footer-title {
    font-size: 1.25rem;
    color: var(--tz-white);
    margin-bottom: 1rem;
}

.tz-footer-text {
    color: var(--tz-gray-400);
    line-height: 1.6;
}

.tz-footer-subtitle {
    font-size: 0.875rem;
    color: var(--tz-white);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    font-weight: 600;
}

.tz-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tz-footer-links li {
    margin-bottom: 0.5rem;
}

.tz-footer-links a {
    color: var(--tz-gray-400);
    transition: color 0.2s ease;
}

.tz-footer-links a:hover {
    color: var(--tz-white);
}

.tz-social-links {
    display: flex;
    gap: 0.75rem;
}

.tz-social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--tz-gray-800);
    border-radius: 6px;
    color: var(--tz-gray-400);
    transition: all 0.2s ease;
}

.tz-social-icon:hover {
    background-color: var(--tz-primary);
    color: var(--tz-white);
}

.tz-footer-bottom {
    margin-top: 3rem;
    padding: 2rem 0;
    border-top: 1px solid var(--tz-gray-800);
    text-align: center;
}

.tz-footer-bottom p {
    color: var(--tz-gray-500);
    font-size: 0.875rem;
    margin: 0;
}

/* ========================================
   MAIN CONTENT
   ======================================== */
.tz-main {
    min-height: 50vh;
    padding: 40px 0;
}

/* ========================================
   FORMS (WHMCS Override)
   ======================================== */
.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
textarea,
select {
    background-color: var(--tz-white);
    border: 1px solid var(--tz-gray-300);
    color: var(--tz-gray-900);
    border-radius: 6px;
    padding: 0.75rem 1rem;
}

.form-control:focus,
input:focus,
textarea:focus,
select:focus {
    border-color: var(--tz-primary);
    box-shadow: 0 0 0 3px var(--tz-primary-pale);
    outline: none;
}

.btn {
    border-radius: 6px;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--tz-primary);
    border: none;
    color: var(--tz-white);
}

.btn-primary:hover {
    background-color: var(--tz-primary-dark);
    color: var(--tz-white);
}

.btn-secondary {
    background-color: var(--tz-gray-200);
    border: none;
    color: var(--tz-gray-700);
}

.btn-secondary:hover {
    background-color: var(--tz-gray-300);
}

/* ========================================
   CARDS & PANELS (WHMCS Override)
   ======================================== */
.card, .panel {
    background-color: var(--tz-white);
    border: 1px solid var(--tz-gray-200);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.card-header, .panel-heading {
    background-color: var(--tz-gray-50);
    border-bottom: 1px solid var(--tz-gray-200);
    color: var(--tz-gray-900);
    font-weight: 600;
}

.card-body, .panel-body {
    padding: 1.5rem;
}

/* ========================================
   TABLES (WHMCS Override)
   ======================================== */
.table {
    color: var(--tz-gray-700);
    background-color: var(--tz-white);
}

.table thead th {
    background-color: var(--tz-gray-50);
    color: var(--tz-gray-900);
    border-bottom: 2px solid var(--tz-gray-200);
    font-weight: 600;
}

.table tbody tr {
    border-bottom: 1px solid var(--tz-gray-200);
}

.table tbody tr:hover {
    background-color: var(--tz-gray-50);
}

/* ========================================
   ALERTS
   ======================================== */
.alert {
    border-radius: 6px;
    padding: 1rem 1.25rem;
}

.alert-success {
    background-color: #d1fae5;
    border-color: #6ee7b7;
    color: #065f46;
}

.alert-info {
    background-color: #cffafe;
    border-color: #67e8f9;
    color: #164e63;
}

.alert-warning {
    background-color: #fef3c7;
    border-color: #fcd34d;
    color: #78350f;
}

.alert-danger {
    background-color: #fee2e2;
    border-color: #fca5a5;
    color: #7f1d1d;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 992px) {
    .tz-hero-title {
        font-size: 2.5rem;
    }
    
    .tz-section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .tz-hero {
        padding: 60px 0;
    }
    
    .tz-hero-title {
        font-size: 2rem;
    }
    
    .tz-features,
    .tz-cta {
        padding: 60px 0;
    }
    
    .tz-btn-primary,
    .tz-btn-outline {
        display: block;
        width: 100%;
        margin: 0.5rem 0;
    }
}