/* ========================================
   Netflix主题 - 现代化设计
   ======================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background-color: #000000;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Netflix红色主题色 */
:root {
    --netflix-red: #E50914;
    --netflix-dark-red: #B20710;
    --netflix-black: #000000;
    --netflix-dark-gray: #141414;
    --netflix-gray: #808080;
    --netflix-light-gray: #b3b3b3;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: #ffffff;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--netflix-light-gray);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.7) 100%);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.95);
    box-shadow: 0 4px 20px rgba(229, 9, 20, 0.3);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 25px 40px;
}

.brand-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-size: 2rem;
    font-weight: 900;
    color: var(--netflix-red);
    letter-spacing: -1px;
    transition: transform 0.3s ease;
}

.brand-logo:hover {
    transform: scale(1.05);
}

.logo-image {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    text-decoration: none;
    color: #ffffff;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--netflix-red);
}

.nav-actions {
    display: flex;
    gap: 15px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: #ffffff;
    margin: 3px 0;
    transition: all 0.3s ease;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 30px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: #F40612;
    transform: scale(1.05);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

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

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

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.9) 100%),
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1920 1080"><defs><linearGradient id="grad1" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:rgb(229,9,20);stop-opacity:0.1" /><stop offset="100%" style="stop-color:rgb(0,0,0);stop-opacity:0.9" /></linearGradient></defs><rect width="1920" height="1080" fill="url(%23grad1)"/><circle cx="200" cy="200" r="150" fill="rgba(229,9,20,0.05)"/><circle cx="1720" cy="880" r="200" fill="rgba(229,9,20,0.05)"/><circle cx="960" cy="300" r="100" fill="rgba(229,9,20,0.03)"/></svg>');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(229, 9, 20, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(229, 9, 20, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: fadeInLeft 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 30px;
    letter-spacing: -1px;
}

.title-highlight {
    background: linear-gradient(135deg, #E50914 0%, #F40612 50%, #E50914 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--netflix-light-gray);
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item, .feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--netflix-red) 0%, var(--netflix-dark-red) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.stat-label {
    color: var(--netflix-light-gray);
    font-size: 0.95rem;
    font-weight: 500;
}

/* Hero Visual - 添加图片背景 */
.hero-visual {
    position: relative;
    animation: fadeInRight 1s ease;
}

.hero-image {
    position: relative;
    width: 100%;
    height: 500px;
    background: linear-gradient(135deg, rgba(229, 9, 20, 0.1) 0%, rgba(0, 0, 0, 0.5) 100%);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(229, 9, 20, 0.3);
}

.hero-graphic {
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(135deg, rgba(229, 9, 20, 0.2) 0%, rgba(0, 0, 0, 0.8) 100%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 600"><defs><linearGradient id="bg1" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:rgb(229,9,20);stop-opacity:0.3"/><stop offset="100%" style="stop-color:rgb(0,0,0);stop-opacity:0.9"/></linearGradient></defs><rect width="800" height="600" fill="url(%23bg1)"/><circle cx="400" cy="300" r="200" fill="none" stroke="rgba(229,9,20,0.3)" stroke-width="2"/><circle cx="400" cy="300" r="150" fill="none" stroke="rgba(229,9,20,0.2)" stroke-width="2"/><circle cx="400" cy="300" r="100" fill="none" stroke="rgba(229,9,20,0.1)" stroke-width="2"/><text x="400" y="320" text-anchor="middle" fill="rgba(229,9,20,0.8)" font-size="120" font-weight="900" font-family="Arial">N</text></svg>');
    background-size: cover;
    background-position: center;
}

/* Floating Cards */
.floating-card {
    position: absolute;
    background: rgba(20, 20, 20, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(229, 9, 20, 0.3);
    border-radius: 12px;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    animation: float 3s ease-in-out infinite;
}

.floating-card .card-icon {
    width: 32px;
    height: 32px;
    background: var(--netflix-red);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-text {
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
}

.card-1 { top: 10%; left: 5%; animation-delay: 0s; }
.card-2 { top: 30%; right: 10%; animation-delay: 0.5s; }
.card-3 { bottom: 40%; left: 15%; animation-delay: 1s; }
.card-4 { top: 60%; right: 5%; animation-delay: 1.5s; }
.card-5 { bottom: 15%; left: 25%; animation-delay: 2s; }
.card-6 { bottom: 10%; right: 20%; animation-delay: 2.5s; }

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

/* What is Section */
.what-is {
    background: var(--netflix-dark-gray);
}

.what-is-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: start;
}

.what-is-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--netflix-red);
}

.what-is-text h4 {
    font-size: 1.5rem;
    margin: 30px 0 15px;
    color: #ffffff;
}

.what-is-text p {
    color: var(--netflix-light-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    margin: 20px 0;
}

.feature-list li {
    display: flex;
    align-items: start;
    gap: 15px;
    margin-bottom: 15px;
    color: var(--netflix-light-gray);
    line-height: 1.6;
}

.feature-list .icon-svg {
    flex-shrink: 0;
    fill: var(--netflix-red);
    margin-top: 2px;
}

.what-is-visual {
    position: sticky;
    top: 100px;
}

.visual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.grid-item {
    aspect-ratio: 1;
    background: linear-gradient(135deg, rgba(229, 9, 20, 0.2) 0%, rgba(0, 0, 0, 0.8) 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: white;
    border: 2px solid rgba(229, 9, 20, 0.3);
    transition: all 0.3s ease;
}

.grid-item:hover {
    background: linear-gradient(135deg, rgba(229, 9, 20, 0.4) 0%, rgba(0, 0, 0, 0.6) 100%);
    border-color: var(--netflix-red);
    transform: scale(1.05);
}

/* Why Section */
.why {
    background: var(--netflix-black);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.why-item {
    background: var(--netflix-dark-gray);
    padding: 40px;
    border-radius: 15px;
    border: 1px solid rgba(229, 9, 20, 0.2);
    transition: all 0.3s ease;
}

.why-item:hover {
    border-color: var(--netflix-red);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(229, 9, 20, 0.3);
}

.why-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.why-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: white;
}

.why-item p {
    color: var(--netflix-light-gray);
    line-height: 1.8;
}

/* Features Section */
.features {
    background: var(--netflix-dark-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: rgba(20, 20, 20, 0.8);
    border: 1px solid rgba(229, 9, 20, 0.2);
    border-radius: 15px;
    padding: 35px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--netflix-red);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(229, 9, 20, 0.3);
}

.feature-card.featured {
    border-color: var(--netflix-red);
    background: linear-gradient(135deg, rgba(229, 9, 20, 0.1) 0%, rgba(20, 20, 20, 0.9) 100%);
}

.feature-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3rem;
    color: white;
}

.feature-card p {
    color: var(--netflix-light-gray);
    line-height: 1.7;
    margin-bottom: 20px;
}

.feature-details {
    list-style: none;
    margin-top: 20px;
}

.feature-details li {
    padding: 8px 0;
    color: var(--netflix-light-gray);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

/* How to Section */
.how-to {
    background: var(--netflix-black);
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 60px;
}

.step-item {
    flex: 1;
    text-align: center;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--netflix-red) 0%, var(--netflix-dark-red) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    color: white;
    margin: 0 auto 25px;
    box-shadow: 0 10px 30px rgba(229, 9, 20, 0.4);
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: white;
}

.step-content p {
    color: var(--netflix-light-gray);
    line-height: 1.8;
}

.step-connector {
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--netflix-red), transparent);
    margin: 0 20px;
}

.how-to-guide {
    background: var(--netflix-dark-gray);
    border-radius: 20px;
    padding: 50px;
    margin-bottom: 40px;
}

.how-to-guide h3 {
    font-size: 2rem;
    margin-bottom: 40px;
    text-align: center;
    color: white;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.guide-item {
    padding: 30px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 12px;
    border: 1px solid rgba(229, 9, 20, 0.2);
}

.guide-item h4 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--netflix-red);
}

.guide-item p {
    color: var(--netflix-light-gray);
    line-height: 1.7;
}

.how-to-cta {
    text-align: center;
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Pricing Section */
.pricing {
    background: var(--netflix-dark-gray);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.pricing-card {
    background: rgba(20, 20, 20, 0.8);
    border: 2px solid rgba(229, 9, 20, 0.2);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    border-color: var(--netflix-red);
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(229, 9, 20, 0.3);
}

.pricing-card.popular {
    border-color: var(--netflix-red);
    background: linear-gradient(135deg, rgba(229, 9, 20, 0.1) 0%, rgba(20, 20, 20, 0.9) 100%);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--netflix-red);
    color: white;
    padding: 8px 25px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
}

.plan-header h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: white;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 30px;
}

.currency {
    font-size: 1.5rem;
    color: var(--netflix-light-gray);
}

.amount {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--netflix-red);
    margin: 0 5px;
}

.period {
    font-size: 1.2rem;
    color: var(--netflix-light-gray);
}

.plan-features {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.plan-features li {
    padding: 12px 0;
    color: var(--netflix-light-gray);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.pricing-features {
    text-align: center;
    margin-bottom: 40px;
}

.pricing-features h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: white;
}

.features-row {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.pricing-note {
    text-align: center;
    padding: 40px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 15px;
}

.pricing-note p {
    color: var(--netflix-light-gray);
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto;
}

/* FAQ Section */
.faq {
    background: var(--netflix-black);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--netflix-dark-gray);
    border: 1px solid rgba(229, 9, 20, 0.2);
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--netflix-red);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    cursor: pointer;
    user-select: none;
}

.faq-question h3 {
    font-size: 1.2rem;
    color: white;
    margin: 0;
}

.faq-toggle {
    font-size: 2rem;
    color: var(--netflix-red);
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
}

.faq-answer p {
    padding: 0 30px 25px;
    color: var(--netflix-light-gray);
    line-height: 1.8;
}

/* Footer */
.footer {
    background: var(--netflix-dark-gray);
    border-top: 1px solid rgba(229, 9, 20, 0.2);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

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

.footer-section a {
    color: var(--netflix-light-gray);
    text-decoration: none;
    display: block;
    padding: 8px 0;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--netflix-red);
}

.footer-brand p {
    color: var(--netflix-light-gray);
    line-height: 1.8;
    margin-top: 15px;
}

.contact-info p {
    color: var(--netflix-light-gray);
    margin-bottom: 10px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(229, 9, 20, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

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

.footer-divider {
    height: 1px;
    background: rgba(229, 9, 20, 0.2);
    margin: 30px 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom-content p {
    color: var(--netflix-gray);
}

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

.footer-links a {
    color: var(--netflix-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--netflix-red);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--netflix-red);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(229, 9, 20, 0.4);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: #F40612;
    transform: translateY(-5px);
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(229, 9, 20, 0.3), 0 0 40px rgba(229, 9, 20, 0.2);
    }
    50% {
        box-shadow: 0 0 30px rgba(229, 9, 20, 0.5), 0 0 60px rgba(229, 9, 20, 0.3);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Add pulse animation to logo */
.brand-logo {
    animation: pulse 3s ease-in-out infinite;
}

/* Add glow effect to buttons */
.btn-primary:hover {
    animation: glow 2s ease-in-out infinite;
}

/* Smooth section reveals */
.section {
    animation: fadeInUp 1s ease;
}

/* Card hover effects */
.pricing-card,
.feature-card,
.why-item {
    animation: slideIn 0.6s ease;
}

.pricing-card:nth-child(1) { animation-delay: 0.1s; }
.pricing-card:nth-child(2) { animation-delay: 0.2s; }
.pricing-card:nth-child(3) { animation-delay: 0.3s; }

/* Responsive Design */
@media (max-width: 1200px) {
    .hero-content,
    .what-is-content {
        grid-template-columns: 1fr;
    }
    
    .features-grid,
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .features-grid,
    .why-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        flex-direction: column;
    }
    
    .step-connector {
        width: 3px;
        height: 50px;
        margin: 20px auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .guide-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}