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

:root {
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --light-blue: #dbeafe;
    --dark-blue: #1e40af;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-600: #4b5563;
    --gray-800: #1f2937;
    --white: #ffffff;
    --success-green: #10b981;
    --error-red: #ef4444;
    --warning-orange: #f59e0b;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
}

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

/* Header */
.header {
    background: var(--white);
    padding: 20px 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo img {
    height: 50px;
    width: auto;
    margin-right: 12px;
    border-radius: var(--border-radius);
}

.logo span {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 40px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

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

.hero-text h1 {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text .subtitle {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
    font-weight: 400;
}

.hero-image {
    text-align: center;
    position: relative;
}

.guide-preview {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    padding: 40px;
    border-radius: var(--border-radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.guide-preview:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.guide-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    animation: pulse 2s ease-in-out infinite;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.guide-preview h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.guide-preview p {
    margin-bottom: 24px;
    opacity: 0.8;
    font-size: 1.1rem;
    font-weight: 600;
}

.guide-badges {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition);
}

.badge:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Form Section */
.form-section {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--white) 100%);
    padding: 100px 0;
    position: relative;
}

.form-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gray-200), transparent);
}

.form-container {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.form-container h2 {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 24px;
    font-weight: 800;
    position: relative;
}

.form-container h2::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 2px;
}

.form-container > p {
    font-size: 1.2rem;
    color: var(--gray-600);
    margin-bottom: 50px;
    line-height: 1.6;
}

.download-form {
    background: var(--white);
    padding: 50px;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    text-align: left;
    position: relative;
    border: 1px solid var(--gray-200);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.95rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    font-size: 16px;
    font-family: var(--font-primary);
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

.form-group input:invalid {
    border-color: var(--error-red);
}

.download-btn {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    padding: 20px 40px;
    border: none;
    border-radius: var(--border-radius-lg);
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.download-btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s;
}

.download-btn:hover::before {
    left: 100%;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.4);
}

.download-btn:active {
    transform: translateY(-1px);
}

.download-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn-loading {
    display: none;
}

.download-btn.loading .btn-text {
    display: none;
}

.download-btn.loading .btn-loading {
    display: inline;
}

.privacy-note {
    margin-top: 24px;
    font-size: 0.9rem;
    color: var(--gray-600);
    text-align: center;
    line-height: 1.5;
}

/* Success & Error Messages */
.success-message,
.error-message {
    padding: 16px 20px;
    border-radius: var(--border-radius-lg);
    margin-bottom: 24px;
    font-weight: 600;
    text-align: center;
    display: none;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.success-message {
    background: linear-gradient(135deg, var(--success-green), #059669);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.error-message {
    background: linear-gradient(135deg, var(--error-red), #dc2626);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}
/* Features Section */
.features {
    background: var(--white);
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 24px;
    font-weight: 800;
    position: relative;
}

.section-header h2::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 2px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--white);
    padding: 50px 40px;
    border-radius: var(--border-radius-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue));
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    color: var(--white);
    font-size: 2rem;
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.feature-card h3 {
    font-size: 1.8rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
    font-weight: 700;
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 24px;
    font-size: 1.1rem;
}

.feature-list {
    list-style: none;
    text-align: left;
    margin-top: 24px;
}

.feature-list li {
    padding: 8px 0;
    color: var(--gray-600);
    position: relative;
    padding-left: 24px;
    font-size: 0.95rem;
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 8px;
    color: var(--success-green);
    font-weight: bold;
    font-size: 14px;
}

/* Footer */
.footer {
    background: var(--gray-800);
    color: var(--white);
    padding: 60px 0 20px;
}

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

.footer-section h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-weight: 700;
    font-size: 1.1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-logo img {
    height: 40px;
    width: auto;
    margin-right: 12px;
    border-radius: var(--border-radius);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

.footer-section ul li a:hover {
    color: var(--secondary-blue);
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.social-links a:hover {
    background: var(--secondary-blue);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }
    
    .hero-content {
        gap: 40px;
    }
    
    .hero-text h1 {
        font-size: 2.3rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
    }
    
    .form-container {
        max-width: 600px;
    }
    
    .download-form {
        padding: 40px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 30px 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-text .subtitle {
        font-size: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .download-form {
        margin: 0 10px;
        padding: 30px;
    }
    
    .section-header h2 {
        font-size: 2.5rem;
    }
    
    .form-container h2 {
        font-size: 2.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .feature-card {
        padding: 40px 30px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-text h1 {
        font-size: 1.8rem;
    }
    
    .hero-text .subtitle {
        font-size: 0.95rem;
    }
    
    .download-form {
        padding: 25px;
    }
    
    .section-header h2,
    .form-container h2 {
        font-size: 2rem;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer {
        display: none;
    }
    
    .hero {
        background: none !important;
        color: black !important;
    }
    
    .download-form {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-blue: #000080;
        --secondary-blue: #0066cc;
        --gray-600: #000000;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-blue);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-blue);
}

/* Selection Styles */
::selection {
    background: var(--secondary-blue);
    color: var(--white);
}

::-moz-selection {
    background: var(--secondary-blue);
    color: var(--white);
}