/*
Theme Name: TechAI Tool - Professional Lead Management & Sales Automation
Theme URI: https://techaitool.com
Description: Enterprise-grade lead management with 6 fully functional tools, complete dashboard, admin panel. Production-ready deployment.
Version: 2.0.0
Author: TechAI Team
Author URI: https://techaitool.com
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: techaitool
Domain Path: /languages
Requires at least: 5.0
Requires PHP: 7.4
*/

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

:root {
    --primary: #00d4ff;
    --secondary: #0099ff;
    --dark-bg: #0f1419;
    --card-bg: rgba(255, 255, 255, 0.05);
    --text: #e0e0e0;
    --text-dim: #888;
    --success: #4caf50;
    --warning: #ff9f40;
    --danger: #ff6b6b;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1a2332 100%);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* NAVIGATION */
nav {
    background: rgba(15, 20, 25, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 500;
    backdrop-filter: blur(10px);
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    cursor: pointer;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
    list-style: none;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
    padding-bottom: 5px;
}

.btn-login {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    font-size: 13px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.3);
}

.section {
    display: none;
    padding: 60px 0;
}

.section.active {
    display: block;
}

/* HERO */
.hero {
    padding: 150px 0 120px;
    text-align: center;
}

.hero h1 {
    font-size: 64px;
    margin-bottom: 30px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 900;
    line-height: 1.2;
}

.hero p {
    font-size: 24px;
    color: var(--text-dim);
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 100px;
}

.btn-primary, .btn-secondary {
    padding: 16px 40px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-3px);
}

/* STATS */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin: 100px 0;
    text-align: center;
}

.stat-card {
    background: var(--card-bg);
    padding: 50px 30px;
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s;
}

.stat-card:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.1);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 15px;
}

.stat-label {
    color: var(--text-dim);
    font-size: 16px;
}

/* BENEFITS SECTION */
.benefits-section {
    padding: 100px 0;
    background: rgba(0, 212, 255, 0.02);
}

.section-title {
    text-align: center;
    font-size: 44px;
    margin-bottom: 60px;
    color: var(--text);
    font-weight: 800;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.benefit-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s;
    text-align: center;
}

.benefit-card:hover {
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.1);
    transform: translateY(-10px);
}

.benefit-icon {
    font-size: 60px;
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--primary);
}

.benefit-card p {
    color: var(--text-dim);
    font-size: 16px;
    line-height: 1.8;
}

/* FEATURES */
.features {
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--primary);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.1);
    transform: translateY(-8px);
}

.feature-icon {
    font-size: 50px;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--primary);
    font-size: 22px;
}

.feature-card p {
    color: var(--text-dim);
    font-size: 16px;
    line-height: 1.8;
}

/* TOOLS - FULLY FUNCTIONAL */
.tools-section {
    padding: 100px 0;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.tool-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s;
    cursor: pointer;
}

.tool-card:hover {
    border-color: var(--primary);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.1);
    transform: translateY(-8px);
}

.tool-icon {
    font-size: 50px;
    margin-bottom: 20px;
}

.tool-card h3 {
    margin-bottom: 15px;
    color: var(--primary);
    font-size: 22px;
}

.tool-card p {
    color: var(--text-dim);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.tool-btn {
    padding: 12px 24px;
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
}

.tool-btn:hover {
    background: var(--primary);
    color: var(--dark-bg);
}

/* TOOL MODAL */
.tool-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    padding: 20px;
    overflow-y: auto;
}

.tool-modal.show {
    display: block;
}

.tool-modal-content {
    background: var(--dark-bg);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    padding: 40px;
    max-width: 1200px;
    margin: 20px auto;
}

.tool-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid rgba(0, 212, 255, 0.1);
}

.tool-modal-header h2 {
    color: var(--primary);
    font-size: 32px;
}

.tool-close-btn {
    background: var(--danger);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
}

.tool-close-btn:hover {
    background: #ff5252;
}

.tool-interface {
    background: rgba(0, 212, 255, 0.02);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

/* PRICING */
.pricing {
    padding: 100px 0;
    background: rgba(0, 212, 255, 0.02);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.price-card {
    background: var(--card-bg);
    padding: 50px 40px;
    border-radius: 12px;
    border: 2px solid rgba(0, 212, 255, 0.1);
    text-align: center;
    transition: all 0.3s;
}

.price-card.featured {
    border-color: var(--primary);
    box-shadow: 0 30px 60px rgba(0, 212, 255, 0.2);
    transform: scale(1.08);
}

.price-card h3 {
    color: var(--primary);
    margin-bottom: 20px;
    font-size: 28px;
}

.price {
    font-size: 48px;
    font-weight: 900;
    margin: 20px 0;
    color: var(--text);
}

.price-label {
    color: var(--text-dim);
    font-size: 16px;
    margin-bottom: 30px;
}

.price-features {
    text-align: left;
    margin: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 30px 0;
}

.price-features li {
    list-style: none;
    padding: 12px 0;
    color: var(--text-dim);
    font-size: 16px;
}

.price-features li:before {
    content: "✓ ";
    color: var(--success);
    font-weight: bold;
    margin-right: 15px;
}

/* BLOG */
.blog {
    padding: 100px 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.blog-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.1);
    cursor: pointer;
    transition: all 0.3s;
}

.blog-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.15);
}

.blog-header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 30px;
    color: white;
}

.blog-content {
    padding: 30px;
}

.blog-category {
    display: inline-block;
    background: rgba(0, 212, 255, 0.2);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 15px;
}

.blog-title {
    font-size: 22px;
    margin: 15px 0;
    color: var(--text);
    font-weight: 600;
}

.blog-excerpt {
    color: var(--text-dim);
    font-size: 16px;
    line-height: 1.8;
}

.blog-meta {
    color: var(--text-dim);
    font-size: 14px;
    margin-top: 15px;
}

/* ABOUT */
.about {
    padding: 100px 0;
    background: rgba(0, 212, 255, 0.02);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 44px;
    margin-bottom: 30px;
    color: var(--text);
    font-weight: 800;
}

.about-text p {
    color: var(--text-dim);
    margin-bottom: 20px;
    line-height: 2;
    font-size: 18px;
}

.benefits {
    list-style: none;
    margin: 40px 0;
}

.benefits li {
    padding: 15px 0;
    color: var(--text-dim);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 18px;
}

.benefits li:before {
    content: "→ ";
    color: var(--primary);
    font-weight: bold;
    margin-right: 15px;
}

/* CONTACT */
.contact {
    padding: 100px 0;
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 25px;
}

label {
    display: block;
    margin-bottom: 10px;
    color: var(--text);
    font-weight: 600;
    font-size: 16px;
}

input, textarea {
    width: 100%;
    padding: 15px;
    background: var(--card-bg);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 6px;
    color: var(--text);
    font-family: inherit;
    transition: all 0.3s;
    font-size: 16px;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

textarea {
    resize: vertical;
    min-height: 150px;
}

/* MODAL */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    overflow-y: auto;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--dark-bg);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    padding: 50px;
    max-width: 700px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    margin: 20px auto;
}

.modal-header {
    text-align: center;
    margin-bottom: 30px;
}

.modal-header h2 {
    color: var(--primary);
    margin-bottom: 10px;
    font-size: 28px;
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 30px;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 28px;
    transition: color 0.3s;
}

.close-modal:hover {
    color: var(--text);
}

.modal-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

.tab-btn {
    flex: 1;
    padding: 12px;
    background: var(--card-bg);
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-dim);
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* DASHBOARD */
.dashboard {
    display: none;
    padding: 40px 0;
}

.dashboard.show {
    display: block;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding: 30px;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.dashboard-title {
    font-size: 32px;
    font-weight: 700;
}

.logout-btn {
    background: var(--danger);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

.logout-btn:hover {
    background: #ff5252;
}

.dashboard-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 2px solid rgba(0, 212, 255, 0.1);
}

.dashboard-tab {
    padding: 15px 25px;
    background: transparent;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-weight: 600;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
    font-size: 16px;
}

.dashboard-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
}

.tab-content.show {
    display: block;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.stat-box {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.stat-box-label {
    color: var(--text-dim);
    font-size: 14px;
    margin-bottom: 10px;
}

.stat-box-value {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
}

/* TABLES */
.table-container {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    overflow-x: auto;
    margin-bottom: 40px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    font-size: 15px;
}

th {
    background: rgba(0, 212, 255, 0.05);
    color: var(--primary);
    font-weight: 600;
}

tr:hover {
    background: rgba(0, 212, 255, 0.05);
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
}

.badge-active {
    background: rgba(76, 175, 80, 0.2);
    color: var(--success);
}

.badge-pending {
    background: rgba(255, 159, 64, 0.2);
    color: var(--warning);
}

.badge-inactive {
    background: rgba(255, 107, 107, 0.2);
    color: var(--danger);
}

/* FOOTER */
footer {
    background: rgba(15, 20, 25, 0.8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 50px 0 30px;
    text-align: center;
    color: var(--text-dim);
    margin-top: 80px;
}

footer a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s;
    margin: 0 15px;
}

footer a:hover {
    color: var(--secondary);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .hero h1 { font-size: 40px; }
    .hero p { font-size: 18px; }
    .nav-links { gap: 15px; font-size: 12px; flex-wrap: wrap; }
    .about-content { grid-template-columns: 1fr; }
    .price-card.featured { transform: scale(1); }
    .hero-buttons { flex-direction: column; }
    .dashboard-header { flex-direction: column; gap: 15px; }
    .stats { grid-template-columns: 1fr; }
    .modal-content { padding: 30px; }
    .tool-modal-content { padding: 20px; }
}