/* ============================================
   PUTNAM.APP WEBSITE STYLES
   Matching app UI/UX design system
   ============================================ */

/* CSS Variables - App Color Palette */
:root {
    /* Base colors */
    --white: #FFFFFF;
    --black: #000000;

    /* Purple theme colors */
    --primary-purple: #8B7FED;
    --light-purple: #E8E5FF;
    --dark-purple: #6B5DD3;
    --purple-gradient-start: #9B8EF7;
    --purple-gradient-end: #7E6FE8;

    /* Background colors */
    --scaffold-background: #F7F6FF;
    --card-background: #FFFFFF;

    /* Text colors */
    --text-dark: #2D2D3A;
    --text-medium: #5A5A6B;
    --text-light: #8B8B8B;

    /* Accent colors */
    --accent-pink: #FF6B9D;
    --accent-pink-dark: #C06C84;
    --accent-teal: #4ECDC4;
    --accent-teal-dark: #44A08D;
    --accent-orange: #FF9F40;
    --accent-orange-dark: #FF6F00;

    /* UI element colors */
    --divider: #CCCCCC;
    --border: #E0E0E0;
    --icon-background: #E8E5FF;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-normal: 400;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-xl: 24px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--scaffold-background);
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
    background-color: var(--card-background);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.logo {
    font-size: 20px;
    font-weight: var(--font-weight-extrabold);
    color: var(--primary-purple);
    text-decoration: none;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-medium);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-purple);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--purple-gradient-start), var(--purple-gradient-end));
    border-radius: 2px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-dark);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: var(--spacing-xxl) 0;
    text-align: center;
    background: linear-gradient(135deg, var(--purple-gradient-start) 0%, var(--purple-gradient-end) 100%);
    color: var(--white);
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 64px;
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.95;
}

.hero-description {
    font-size: 18px;
    font-weight: var(--font-weight-normal);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Email Form */
.email-form-container {
    margin: var(--spacing-xl) 0;
}

.email-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.email-input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.email-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
}

.email-input:focus {
    outline: none;
    border-color: var(--white);
    background-color: rgba(255, 255, 255, 0.2);
}

.submit-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 16px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-purple);
    background-color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.submit-btn:active {
    transform: translateY(0);
}

.form-message {
    margin-top: var(--spacing-sm);
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    min-height: 20px;
    text-transform: uppercase;
}

.form-message.success {
    color: var(--accent-teal);
}

.form-message.error {
    color: var(--accent-pink);
}

/* App Badges */
.app-badges {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.app-badge {
    display: inline-block;
    transition: transform 0.3s ease;
}

.app-badge:hover {
    transform: scale(1.05);
}

/* Features Section */
.features {
    padding: var(--spacing-xxl) 0;
    background-color: var(--scaffold-background);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background-color: var(--card-background);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.feature-text {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.6;
}

/* Content Pages (Privacy, Help, Contact) */
.content-page {
    padding: var(--spacing-xxl) 0;
    min-height: calc(100vh - 200px);
}

.content-card {
    background-color: var(--card-background);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    max-width: 900px;
    margin: 0 auto;
}

.page-title {
    font-size: 48px;
    font-weight: var(--font-weight-extrabold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
}

.page-subtitle {
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-medium);
    margin-bottom: var(--spacing-xl);
    text-transform: uppercase;
    text-align: center;
    letter-spacing: 0.5px;
}

.last-updated {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    text-align: center;
    text-transform: uppercase;
    font-weight: var(--font-weight-semibold);
}

.content-section {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-purple);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-text {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.content-list {
    list-style: none;
    padding-left: 0;
    margin: var(--spacing-md) 0;
}

.content-list li {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.8;
    padding-left: var(--spacing-lg);
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.content-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-purple);
    font-weight: var(--font-weight-bold);
    font-size: 20px;
}

.inline-link {
    color: var(--primary-purple);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    transition: color 0.3s ease;
}

.inline-link:hover {
    color: var(--dark-purple);
    text-decoration: underline;
}

/* FAQ Items */
.faq-item {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.faq-answer {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.8;
}

/* Troubleshooting Items */
.troubleshooting-item {
    margin-bottom: var(--spacing-lg);
}

.troubleshooting-title {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Contact Form */
.contact-form {
    margin-top: var(--spacing-xl);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-md);
}

.form-label {
    font-size: 14px;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input,
.form-textarea {
    padding: var(--spacing-md);
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    background-color: var(--card-background);
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    font-family: var(--font-family);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-light);
    text-transform: uppercase;
    font-weight: var(--font-weight-normal);
}

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

.form-textarea {
    resize: vertical;
    min-height: 150px;
    text-transform: none;
    letter-spacing: normal;
}

.submit-btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: var(--white);
    background: linear-gradient(135deg, var(--purple-gradient-start), var(--purple-gradient-end));
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: var(--spacing-md);
}

.submit-btn-large:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.submit-btn-large:active {
    transform: translateY(0);
}

.contact-info {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border);
}

/* Footer */
.footer {
    background-color: var(--card-background);
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xxl);
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-text {
    font-size: 14px;
    color: var(--text-light);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.6;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-link {
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-medium);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--primary-purple);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-description {
        font-size: 16px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--card-background);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        gap: var(--spacing-sm);
    }

    .nav-links.active {
        display: flex;
    }

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

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

    .email-input {
        margin-bottom: var(--spacing-sm);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .page-title {
        font-size: 32px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .content-card {
        padding: var(--spacing-md);
    }

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