:root {
    --primary-color: #0F766E;
    /* Teal 700 */
    --primary-light: #14B8A6;
    /* Teal 500 */
    --primary-dark: #134E4A;
    /* Teal 900 */
    --accent-color: #0EA5E9;
    /* Sky 500 */
    --bg-color: #F0FDFA;
    /* Teal 50 */
    --text-color: #1F2937;
    /* Gray 800 */
    --text-light: #6B7280;
    /* Gray 500 */
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.6);
    /* Transparent Glass */
    --glass-border: rgba(255, 255, 255, 0.4);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --font-sans: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background-image:
        radial-gradient(at 0% 0%, rgba(15, 118, 110, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(14, 165, 233, 0.15) 0px, transparent 50%);
    background-attachment: fixed;
}

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

/* Header */
.glass-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-dark);
    text-decoration: none;
}

.logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
    mix-blend-mode: multiply;
    /* Hides white background */
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.btn-primary-small {
    background: var(--primary-color);
    color: var(--white) !important;
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    font-size: 0.9rem;
    box-shadow: var(--shadow-sm);
}

.btn-primary-small:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    display: flex;
    align-items: center;
    min-height: 80vh;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--primary-dark), var(--primary-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.highlight {
    color: var(--accent-color);
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 500px;
}

.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    padding: 1rem 2.5rem;
    border-radius: 9999px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 20px -5px rgba(15, 118, 110, 0.3);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

/* Carousel Styles */
.carousel-container {
    position: relative;
    width: 320px;
    /* Fixed width for single card view */
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-features {
    display: flex;
    overflow-x: auto;
    scroll-behavior: smooth;
    gap: 20px;
    width: 100%;
    padding: 20px 5px;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
}

.hero-features::-webkit-scrollbar {
    display: none;
}

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 18px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
    min-width: 100%;
    /* Forces card to take full width of container */
    scroll-snap-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    /* Increased height */
}

.feature-card:hover {
    transform: translateY(-5px);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: var(--bg-color);
    width: 60px;
    height: 60px;
    line-height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-card h3 {
    font-size: 1.1rem;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.4;
    margin: 0;
}

/* Slider Buttons */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--white);
    border: none;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    z-index: 10;
    color: var(--primary-dark);
    font-weight: bold;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.1);
}

.prev-btn {
    left: -15px;
}

.next-btn {
    right: -15px;
}

/* Glassmorphism Classes */
.glass-panel,
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    box-shadow: var(--shadow-md);
}

.about {
    padding: 6rem 0;
    scroll-margin-top: 80px;
    min-height: 40vh;
    /* Ensure it takes up space */
    display: flex;
    align-items: center;
}

.about-content {
    width: 100%;
    text-align: center;
    padding: 3rem;
}

.about-content h2 {
    font-size: 2.5rem;
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
}


/* Benefits Section */
.benefits {
    padding: 5rem 0;
    scroll-margin-top: 80px;
    /* Offset for sticky header */
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-dark);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

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

.icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: var(--bg-color);
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 50%;
    margin-left: auto;
    margin-right: auto;
}

/* How It Works */
.how-it-works {
    padding: 5rem 0;
    background: rgba(255, 255, 255, 0.5);
    scroll-margin-top: 80px;
}

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

.step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    font-weight: 700;
    font-size: 1.5rem;
    line-height: 50px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    box-shadow: 0 0 0 8px rgba(15, 118, 110, 0.1);
}

/* Registration Form */
.registration {
    padding: 5rem 0;
    scroll-margin-top: 80px;
}

.form-wrapper {
    max-width: 600px;
    margin: 0 auto;
    padding: 3rem;
}

.form-wrapper h2 {
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--primary-dark);
}

.form-wrapper p {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 2rem;
}

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

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

.required {
    color: #ef4444;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
}

.btn-submit {
    width: 100%;
    background: var(--primary-dark);
    color: var(--white);
    padding: 1rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

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

.error-msg {
    color: #ef4444;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: block;
}

.status-msg {
    margin-top: 1rem;
    text-align: center;
    font-weight: 500;
}

.trust-text {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 1rem;
    margin-bottom: 0 !important;
}

/* Footer */
footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 3rem 0;
    margin-top: 4rem;
}

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

.footer-brand span {
    font-weight: 700;
    font-size: 1.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-left: 2rem;
    transition: color 0.3s ease;
}

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

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

    .hero-text p {
        margin: 0 auto 2rem;
    }

    .nav-links {
        display: none;
        /* Add JS toggle later if needed, simple hide for now on very small screens, or stack */
    }

    /* Simple mobile menu fix for now */
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-md);
        display: none;
    }

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

    .mobile-menu-toggle {
        display: block;
        cursor: pointer;
    }

    .mobile-menu-toggle span {
        display: block;
        width: 25px;
        height: 3px;
        background: var(--primary-dark);
        margin: 5px 0;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-links a {
        margin: 0 1rem;
    }
}

@media (min-width: 769px) {
    .mobile-menu-toggle {
        display: none;
    }
}