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

:root {
    /* SMRT Box Color Palette */
    --smrt-brown: #6a381f;
    --smrt-beige: #d2b48c;
    --smrt-light-beige: #F5F0E6;
    --smrt-card-brown: #B89A7A;
    --smrt-dark-beige: #b4a082;
    --text-dark: #2d1f1a;
    --text-light: #6b6b6b;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--smrt-beige);
}

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

/* Hero Section */
.hero {
    background: linear-gradient(180deg, var(--smrt-card-brown) 0%, var(--smrt-brown) 100%);
    color: white;
    padding: 100px 20px;
    text-align: center;
}

.hero-logo-wrap {
    position: relative;
    display: inline-block;
}

.hero-logo-wrap .tm {
    position: absolute;
    top: -4px;
    right: -24px;
    font-size: 1.2rem;
    color: white;
}

.hero-logo {
    max-width: 200px;
    height: auto;
    margin-bottom: 30px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Feature Banner Section */
.feature-banner {
    padding: 0;
    text-align: center;
    line-height: 0;
}

.feature-banner-img {
    width: 100%;
    height: auto;
    display: block;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--smrt-light-beige);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

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

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-order {
    background-color: var(--smrt-brown);
    color: white;
    font-size: 1.2rem;
    padding: 20px 40px;
    display: inline-block;
    margin-top: 20px;
}

.btn-order:hover {
    background-color: var(--text-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Section Styles */
.section {
    padding: 80px 20px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--smrt-brown);
    text-align: center;
    margin-bottom: 20px;
}

.section-text {
    font-size: 1.2rem;
    color: var(--text-light);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    line-height: 1.8;
}

/* What Is Section */
.what-is {
    background-color: var(--smrt-light-beige);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

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

.feature-card h3 {
    font-size: 1.3rem;
    color: var(--smrt-brown);
    margin-bottom: 15px;
    white-space: nowrap;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    background-color: white;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--smrt-brown);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 1.5rem;
    color: var(--smrt-brown);
    margin-bottom: 15px;
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Why SMRT Box Section */
.why-section {
    background: linear-gradient(180deg, #f5f0e8 0%, #fff 100%);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 40px auto 0;
}

.why-card {
    padding: 40px 30px;
    border-radius: 16px;
    text-align: left;
}

.why-card h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
}

.why-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.why-card li {
    padding: 10px 0;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

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

.why-old {
    background: #f8f8f8;
    border: 2px solid #ddd;
    color: #666;
}

.why-old h3 {
    color: #888;
}

.why-new {
    background: var(--smrt-card-brown);
    border: 2px solid var(--smrt-brown);
    color: #fff;
}

.why-new h3 {
    color: #fff;
}

.why-new li {
    border-bottom-color: rgba(255,255,255,0.2);
}

@media (max-width: 768px) {
    .why-grid {
        grid-template-columns: 1fr;
    }
}

/* Order Section */
.order-section {
    background-color: var(--smrt-light-beige);
}

.order-features {
    list-style: none;
    max-width: 600px;
    margin: 0 auto 40px;
    font-size: 1.1rem;
    line-height: 2;
}

.order-features li {
    color: var(--text-dark);
    padding: 10px 0;
}

.order-box {
    background: white;
    padding: 50px 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: 0 auto;
}

.order-info h3 {
    font-size: 2rem;
    color: var(--smrt-brown);
    margin-bottom: 15px;
}

.order-info p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

/* App Screenshots Section */
.app-screenshots {
    background-color: var(--smrt-light-beige);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.screenshot-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.screenshot-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.screenshot-placeholder {
    aspect-ratio: 9 / 16;
    background: linear-gradient(135deg, var(--smrt-beige) 0%, var(--smrt-card-brown) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    text-align: center;
    color: var(--smrt-brown);
}

.screenshot-placeholder p {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.screenshot-placeholder small {
    font-size: 0.9rem;
    opacity: 0.8;
}

.screenshots-note {
    margin-top: 30px;
    color: var(--text-light);
    font-size: 0.9rem;
    font-style: italic;
    text-align: center;
}

/* Download Section */
.download-section {
    background-color: white;
}

.download-buttons {
    display: flex;
    gap: 30px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 40px;
}

.download-btn {
    display: inline-block;
    transition: transform 0.3s ease;
}

.download-btn:hover {
    transform: scale(1.05);
}

.download-btn.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.store-badge {
    height: 54px;
    width: auto;
}

.download-note {
    margin-top: 30px;
    color: var(--text-light);
    font-size: 0.9rem;
    font-style: italic;
}

/* Footer */
.footer {
    background-color: var(--smrt-brown);
    color: white;
    padding: 60px 20px 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.footer-section p {
    opacity: 0.9;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: white;
    text-decoration: none;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.footer-section a:hover {
    opacity: 1;
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0.8;
}

/* FAQ Section */
.faq-section {
    background-color: var(--smrt-light-beige);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: 16px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.faq-question {
    font-size: 1.2rem;
    color: var(--smrt-brown);
    font-weight: 600;
    padding: 24px 30px;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: "+";
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--smrt-brown);
    transition: transform 0.2s ease;
}

.faq-item[open] .faq-question::after {
    content: "−";
}

.faq-answer {
    color: var(--text-light);
    line-height: 1.8;
    margin: 0;
    padding: 0 30px 24px;
}

/* Privacy Policy Page */
.privacy-page {
    background-color: var(--smrt-beige);
    min-height: 100vh;
    padding: 40px 20px;
}

.back-link {
    display: inline-block;
    color: var(--smrt-brown);
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 30px;
    transition: opacity 0.3s ease;
}

.back-link:hover {
    opacity: 0.7;
}

.privacy-content {
    background: white;
    padding: 60px 40px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    max-width: 900px;
    margin: 0 auto;
}

.privacy-logo-wrap {
    position: relative;
    display: inline-block;
    margin-bottom: 30px;
}

.privacy-logo {
    max-width: 150px;
    height: auto;
    display: block;
}

.privacy-logo-wrap .tm {
    position: absolute;
    top: -2px;
    right: -18px;
    font-size: 1rem;
    color: var(--smrt-brown);
}

.privacy-content h1 {
    font-size: 2.5rem;
    color: var(--smrt-brown);
    margin-bottom: 10px;
}

.last-updated {
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 40px;
}

.privacy-content section {
    margin-bottom: 40px;
}

.privacy-content h2 {
    font-size: 1.8rem;
    color: var(--smrt-brown);
    margin-bottom: 15px;
    margin-top: 30px;
}

.privacy-content h3 {
    font-size: 1.3rem;
    color: var(--smrt-brown);
    margin-top: 20px;
    margin-bottom: 10px;
}

.privacy-content p {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 15px;
}

.privacy-content ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

.privacy-content li {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 10px;
}

.privacy-content strong {
    color: var(--smrt-brown);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

    .section {
        padding: 60px 20px;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .order-box {
        padding: 40px 30px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }
}