/* ============================================
   Ad Network Website - Main Stylesheet
   Inspired by PopAds.net design
   ============================================ */

/* ===== CSS Variables ===== */
:root {
    --primary-color: #ff6600;
    --primary-dark: #e55a00;
    --primary-light: #ff8533;
    --secondary-color: #2c3e50;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-gray: #ecf0f1;
    --border-color: #e0e0e0;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

/* ===== Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Header Styles ===== */
.main-header {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo-section {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--primary-color);
    font-size: 24px;
    font-weight: 700;
    transition: var(--transition);
}

.logo:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    color: white;
}

.logo-icon svg {
    width: 24px;
    height: 24px;
}

.logo-text {
    font-weight: 700;
}

/* ===== Navigation Styles ===== */
.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 10px 16px;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    border-radius: 4px;
}

.nav-link:hover {
    color: var(--primary-color);
    background-color: var(--bg-light);
}

.nav-link.active {
    color: var(--primary-color);
    background-color: rgba(255, 102, 0, 0.1);
}

.auth-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 20px;
}

.auth-buttons .btn {
    padding: 10px 20px;
    font-size: 13px;
    white-space: nowrap;
}

.auth-buttons .btn-secondary {
    background-color: var(--text-light);
    color: white;
}

.auth-buttons .btn-secondary:hover {
    background-color: var(--text-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Main Content ===== */
#main-content {
    min-height: calc(100vh - 200px);
}

/* ===== Hero Section ===== */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 80px 0;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    pointer-events: none; /* Allow clicks to pass through */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 60px;
    align-items: start;
}

.hero-text {
    color: white;
}

.hero-text h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-text .subtitle {
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 20px;
    opacity: 0.95;
}

.hero-text p {
    font-size: 16px;
    line-height: 1.8;
    opacity: 0.9;
    max-width: 600px;
}

/* ===== Login Panel ===== */
.login-panel {
    background-color: #34495e;
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow-lg);
    color: white;
    position: relative;
    z-index: 10;
}

.login-panel input,
.login-panel select,
.login-panel textarea,
.login-panel button {
    position: relative;
    z-index: 11;
}

.login-panel h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 25px;
}

.login-panel h3::before {
    content: '✓';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background-color: var(--success-color);
    border-radius: 4px;
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    background-color: #2c3e50;
    border: 1px solid #3a556b;
    border-radius: 6px;
    color: white;
    font-size: 14px;
    transition: var(--transition);
}

.form-group input::placeholder {
    color: #95a5a6;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: #34495e;
}

.form-group select {
    width: 100%;
    padding: 12px 16px;
    background-color: #2c3e50;
    border: 1px solid #3a556b;
    border-radius: 6px;
    color: white;
    font-size: 14px;
    transition: var(--transition);
    cursor: pointer;
}

.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: #34495e;
}

.form-group select option {
    background-color: #2c3e50;
    color: white;
    padding: 10px;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 14px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.checkbox-group label {
    margin: 0;
    cursor: pointer;
}

.forgot-password {
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.forgot-password:hover {
    color: var(--primary-light);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    letter-spacing: 0.5px;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-success:hover {
    background-color: #229954;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-group {
    display: flex;
    gap: 12px;
}

.btn-group .btn {
    flex: 1;
}

/* ===== Section Styles ===== */
.section {
    padding: 60px 0;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Footer Styles ===== */
.main-footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 60px 0 20px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: var(--primary-color);
    font-size: 20px;
    font-weight: 700;
}

.footer-logo .logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.footer-description {
    color: #bdc3c7;
    font-size: 14px;
    line-height: 1.6;
}

.footer-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
}

.copyright {
    color: #95a5a6;
    font-size: 14px;
}

/* ===== Responsive Design ===== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .login-panel {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .main-nav {
        flex-wrap: wrap;
        position: relative;
    }

    .nav-list {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background-color: var(--bg-white);
        width: 100%;
        padding: 20px 20px 0;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
        gap: 0;
        z-index: 999;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .nav-list.active {
        left: 0;
    }

    .nav-item {
        width: 100%;
    }

    .nav-link {
        padding: 15px;
        border-radius: 6px;
        width: 100%;
    }

    .auth-buttons {
        position: fixed;
        top: auto;
        left: -100%;
        margin-left: 0;
        margin-top: 0;
        width: 100%;
        padding: 20px;
        flex-direction: column;
        background-color: var(--bg-white);
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
        z-index: 999;
    }

    .nav-list.active + .auth-buttons,
    .auth-buttons.active {
        left: 0;
        top: calc(70px + var(--nav-list-height, 250px));
    }

    .auth-buttons .btn {
        width: 100%;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-text h1 {
        font-size: 36px;
    }

    .hero-text .subtitle {
        font-size: 20px;
    }

    .section-title {
        font-size: 28px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: 60px 0;
    }

    .hero-text h1 {
        font-size: 28px;
    }

    .btn-group {
        flex-direction: column;
    }
}

/* ===== Card Styles ===== */
.card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: 30px;
}

.card h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

/* ===== Feature Grid ===== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    padding: 30px;
    background: var(--bg-light);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

/* ===== Form Styles ===== */
form textarea {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 14px;
    resize: vertical;
    transition: var(--transition);
}

form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: white;
}

form select {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition);
}

form select:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: white;
}

/* ===== Utility Classes ===== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }