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

:root {
    --primary-color: #6B4C7D;
    --secondary-color: #2c3e50;
    --accent-color: #FFB800;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --light-bg: #f8f5ff;
    --dark-text: #2c3e50;
    --light-text: #7f8c8d;
    --border-color: #dee2e6;
    --pi-purple: #6B4C7D;
    --pi-purple-dark: #5A3D6B;
    --pi-gold: #FFB800;
}

html {
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background: linear-gradient(135deg, #6B4C7D 0%, #5A3D6B 25%, #6B4C7D 50%, #7C5D8F 75%, #6B4C7D 100%);
    background-size: 400% 400%;
    background-attachment: fixed;
    min-height: 100vh;
    animation: gradientShift 15s ease infinite;
    overflow-x: hidden;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

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

/* Navigation */
.navbar {
    background: linear-gradient(135deg, rgba(107, 76, 125, 0.95) 0%, rgba(90, 61, 107, 0.95) 100%);
    backdrop-filter: blur(10px);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(107, 76, 125, 0.4);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--pi-gold);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: opacity 0.3s;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--pi-gold);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--pi-gold);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--pi-gold);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(107, 76, 125, 0.4) 0%, rgba(90, 61, 107, 0.4) 100%);
    backdrop-filter: blur(10px);
    color: white;
    padding: 6rem 2rem;
    text-align: center;
    border-radius: 20px;
    margin: 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff, var(--pi-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    color: #fff;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--pi-gold), #FFA500);
    color: var(--pi-purple-dark);
    box-shadow: 0 4px 15px rgba(255, 184, 0, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 184, 0, 0.6);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* Sections */
.features, .quick-tips, .warning-section, .cta-section {
    padding: 4rem 2rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: all 0.3s;
    border: 2px solid rgba(139, 63, 232, 0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(139, 63, 232, 0.3);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--pi-purple);
}

/* All other card components follow same pattern */
.warning-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    margin: 2rem;
}

.warning-box, .content-section, .info-box, .highlight-box, 
.do-box, .dont-box, .mistake-card, .checklist, .scam-card,
.quiz-question, .protection-step, .layer-card, .check-item,
.advanced-strategy, .emergency-card, .schedule-item, 
.resource-card, .tool-section {
    background: rgba(255, 255, 255, 0.98);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

/* Grid layouts */
.tips-grid, .do-dont-grid, .mistake-cards, .layer-cards,
.maintenance-schedule, .resource-grid, .education-grid, .red-flags {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

/* Page layouts */
.page-header, .main-content, .cta-section {
    margin: 2rem;
    padding: 3rem 2rem;
    border-radius: 20px;
}

.footer {
    background: linear-gradient(135deg, rgba(139, 63, 232, 0.95), rgba(107, 47, 184, 0.95));
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

/* Responsive Design - Tablet */
@media (max-width: 1024px) {
    .feature-grid, .tips-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Responsive Design - Mobile */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: linear-gradient(135deg, rgba(139, 63, 232, 0.98), rgba(107, 47, 184, 0.98));
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        gap: 0;
    }

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

    .nav-menu li {
        padding: 1rem;
    }

    .hero {
        padding: 3rem 1rem;
        margin: 1rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .feature-grid, .tips-grid, .do-dont-grid, .mistake-cards,
    .layer-cards, .maintenance-schedule, .resource-grid, 
    .education-grid, .red-flags {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .features, .quick-tips, .warning-section, .cta-section,
    .page-header, .main-content {
        padding: 2rem 1rem;
        margin: 1rem;
    }

    .navigation-buttons {
        flex-direction: column;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .protection-step {
        flex-direction: column;
        text-align: center;
    }

    .step-number {
        margin: 0 auto 1rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }

    .feature-icon {
        font-size: 2rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .logo {
        font-size: 1.2rem;
    }

    .logo-img {
        width: 30px;
        height: 30px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .content-section, .warning-box, .scam-card, .quiz-question {
        padding: 1.25rem;
    }
}

/* Touch optimization */
@media (hover: none) and (pointer: coarse) {
    .btn, .nav-menu a, .quiz-btn {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Print styles */
@media print {
    .navbar, .hamburger, .navigation-buttons, .cta-section, .btn {
        display: none;
    }

    body {
        background: white;
        color: black;
    }
}