/* SEO Services HK - Main Stylesheet */
/* Modern, Professional Design for Hong Kong Market */

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #0f172a;
    --accent-color: #f59e0b;
    --text-color: #1e293b;
    --text-light: #64748b;
    --bg-color: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

ul, ol {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-color);
}

/* Container */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.nav-logo span {
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--text-color);
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-fast);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--secondary-color);
    transition: all var(--transition-fast);
}

/* Breadcrumbs */
.breadcrumbs {
    padding: 1rem 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    margin-top: 70px;
}

.breadcrumbs ul {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    flex-wrap: wrap;
}

.breadcrumbs li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.breadcrumbs li:not(:last-child)::after {
    content: '>';
    color: var(--text-light);
}

.breadcrumbs a {
    color: var(--text-light);
}

.breadcrumbs a:hover {
    color: var(--primary-color);
}

.breadcrumbs .current {
    color: var(--text-color);
    font-weight: 500;
}

/* Hero Section */
.hero {
    padding: 8rem 0 5rem;
    background: var(--gradient-dark);
    color: white;
    position: relative;
    overflow: hidden;
    margin-top: 70px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 700px;
}

.hero h1 {
    font-size: 3rem;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero h1 span {
    color: var(--accent-color);
}

.hero p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

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

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

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

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

.btn-outline:hover {
    background: white;
    color: var(--secondary-color);
}

.btn-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.125rem;
}

.section-alt {
    background: var(--bg-secondary);
}

/* Cards */
.card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

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

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: white;
}

.card h3 {
    margin-bottom: 0.75rem;
}

.card p {
    color: var(--text-light);
    margin-bottom: 0;
}

/* Grid */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
}

/* Tools Section */
.tool-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

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

.tool-header {
    background: var(--gradient-primary);
    padding: 1.5rem;
    color: white;
}

.tool-header h3 {
    color: white;
    margin-bottom: 0.5rem;
}

.tool-header p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-size: 0.875rem;
}

.tool-body {
    padding: 1.5rem;
}

.tool-input {
    margin-bottom: 1rem;
}

.tool-input label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.tool-input input,
.tool-input textarea,
.tool-input select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
    font-family: inherit;
}

.tool-input input:focus,
.tool-input textarea:focus,
.tool-input select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.tool-result {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-top: 1rem;
    min-height: 100px;
}

.tool-result h4 {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

/* Features List */
.features-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
}

.feature-content h4 {
    margin-bottom: 0.25rem;
}

.feature-content p {
    color: var(--text-light);
    font-size: 0.875rem;
    margin: 0;
}

/* FAQ Section */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    color: var(--text-color);
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-question span {
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-question span {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-answer-content {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-light);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

/* Blog Cards */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.blog-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

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

.blog-image {
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.blog-content {
    padding: 1.5rem;
}

.blog-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
}

.blog-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.blog-card h3 a {
    color: var(--text-color);
}

.blog-card h3 a:hover {
    color: var(--primary-color);
}

.blog-excerpt {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.read-more {
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* SEO Description Section */
.seo-description {
    background: var(--bg-secondary);
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
}

.seo-description h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.seo-content {
    columns: 2;
    column-gap: 3rem;
}

.seo-content p {
    color: var(--text-light);
    font-size: 0.9375rem;
    margin-bottom: 1rem;
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    padding: 5rem 0;
    text-align: center;
    color: white;
}

.cta-section h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 1rem;
    font-size: 0.875rem;
}

.footer h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

.footer-legal a:hover {
    color: white;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

/* Score Display */
.score-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
}

.score-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 4px solid var(--primary-color);
}

.score-circle.good { border-color: var(--success-color); }
.score-circle.warning { border-color: var(--warning-color); }
.score-circle.bad { border-color: var(--error-color); }

.score-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
}

.score-label {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
    margin: 0.5rem 0;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: 4px;
    transition: width var(--transition-normal);
}

.progress-fill.good { background: var(--success-color); }
.progress-fill.warning { background: var(--warning-color); }
.progress-fill.bad { background: var(--error-color); }

/* Checklist */
.checklist {
    list-style: none;
}

.checklist li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.checklist li:last-child {
    border-bottom: none;
}

.check-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

.check-icon.pass {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.check-icon.fail {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
}

.check-icon.warn {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

/* Tags */
.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Blog Post */
.blog-post {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.blog-post-header {
    margin-bottom: 2rem;
}

.blog-post-header h1 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.blog-post-meta {
    display: flex;
    gap: 1.5rem;
    color: var(--text-light);
    font-size: 0.875rem;
}

.blog-post-content {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.blog-post-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.blog-post-content h3 {
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.blog-post-content p {
    margin-bottom: 1.25rem;
}

.blog-post-content ul,
.blog-post-content ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

.blog-post-content ul {
    list-style: disc;
}

.blog-post-content ol {
    list-style: decimal;
}

.blog-post-content li {
    margin-bottom: 0.5rem;
}

.blog-post-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    color: var(--text-light);
    font-style: italic;
}

.blog-post-content a {
    text-decoration: underline;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

/* About Page */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 5rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.team-member {
    text-align: center;
}

.team-avatar {
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: 50%;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
}

.team-member h4 {
    margin-bottom: 0.25rem;
}

.team-member p {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .about-intro { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    html { font-size: 15px; }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

    .hero h1 { font-size: 2.25rem; }
    .hero-stats { flex-direction: column; gap: 1.5rem; }

    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .blog-grid { grid-template-columns: 1fr; }
    .features-list { grid-template-columns: 1fr; }
    .seo-content { columns: 1; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }

    .btn-group { flex-direction: column; }
    .btn { width: 100%; }
}

@media (max-width: 480px) {
    .container { padding: 0 1rem; }
    .section { padding: 3rem 0; }
    .hero { padding: 5rem 0 3rem; }
    .hero h1 { font-size: 1.875rem; }
}

/* Print Styles */
@media print {
    .navbar, .footer, .btn { display: none; }
    .hero { background: none; color: black; padding: 2rem 0; }
    .hero h1, .hero p { color: black; }
}