/* 
   CPR AI Website Styles
   A clean, modern design for a medical emergency app
*/

/* Base Styles & Variables */
:root {
    --primary-color: #e63946; /* Red for emergency/medical */
    --secondary-color: #1d3557; /* Dark blue for trust */
    --accent-color: #457b9d; /* Medium blue for accents */
    --light-color: #f1faee; /* Off-white for backgrounds */
    --dark-color: #1d3557; /* Dark blue for text */
    --success-color: #2a9d8f; /* Teal for success messages */
    --warning-color: #e9c46a; /* Yellow for warnings */
    --danger-color: #e63946; /* Red for danger/errors */
    --gray-color: #a8a8a8; /* Gray for subtle elements */
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease-in-out;
    --border-radius: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

ul {
    list-style: none;
}

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

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--secondary-color);
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
}

.btn-primary {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
    transition: var(--transition);
}

.btn-primary:hover {
    background-color: #d62839; /* Darker red on hover */
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

/* Header & Navigation */
header {
    background-color: white;
    box-shadow: var(--box-shadow);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

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

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: var(--dark-color);
    font-weight: 500;
}

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

.language-switcher {
    display: flex;
    align-items: center;
    margin-left: 15px;
    cursor: pointer;
    padding: 5px 10px;
    border: 1px solid var(--accent-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    transition: var(--transition);
}

.language-switcher:hover {
    background-color: var(--accent-color);
    color: white;
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 8rem 0 5rem;
    background-color: white;
}

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

.hero-content {
    flex: 1;
    padding-right: 2rem;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--accent-color);
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 80%;
    border-radius: 20px;
    box-shadow: var(--box-shadow);
}

.app-badges {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.app-badge img {
    height: 50px;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: var(--light-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* Screenshots Section */
.screenshots {
    padding: 5rem 0;
    background-color: white;
}

.screenshot-carousel {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.screenshot {
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    text-align: center;
}

.screenshot img {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 1rem;
}

.screenshot p {
    font-weight: 500;
    color: var(--accent-color);
}

/* How It Works Section */
.how-it-works {
    padding: 5rem 0;
    background-color: var(--light-color);
}

.steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
}

.step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: 2rem;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: relative;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.step h3 {
    margin-top: 1rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* FAQ Section */
.faq {
    padding: 5rem 0;
    background-color: white;
}

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

.faq-item {
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    background-color: var(--light-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--secondary-color);
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active .faq-answer {
    padding: 1.5rem;
    max-height: 500px;
}

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

/* Download Section */
.download {
    padding: 5rem 0;
    background-color: var(--secondary-color);
    text-align: center;
}

.download .section-title {
    color: white;
}

.download-text {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.download .app-badges {
    justify-content: center;
}

/* Footer */
footer {
    padding: 5rem 0 2rem;
    background-color: var(--dark-color);
    color: white;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
}

.footer-logo img {
    height: 40px;
    margin-right: 10px;
}

.footer-links h3,
.footer-contact h3 {
    margin-bottom: 1.5rem;
    color: var(--light-color);
}

.footer-links ul li {
    margin-bottom: 0.5rem;
}

.footer-links ul li a {
    color: var(--gray-color);
}

.footer-links ul li a:hover {
    color: var(--primary-color);
}

.footer-contact p {
    margin-bottom: 1rem;
    color: var(--gray-color);
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--gray-color);
    font-size: 0.9rem;
}

/* Responsive Styles */
@media screen and (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 3rem;
    }

    .app-badges {
        justify-content: center;
    }
}

@media screen and (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: white;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 1.5rem 0;
    }

    .hamburger {
        display: block;
    }
    
    .language-switcher {
        position: absolute;
        top: 20px;
        right: 80px;
    }

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

    .steps {
        flex-direction: column;
    }

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

@media screen and (max-width: 576px) {
    .section-title {
        font-size: 2rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .screenshot-carousel {
        flex-direction: column;
        align-items: center;
    }
}