@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600;700&family=Open+Sans:wght@300;400;600&display=swap');

:root {
    /* Colors */
    --color-primary: #0F4C5C;
    --color-secondary: #58B09C;
    --color-accent: #D6DDC4; /* Button color */
    --color-background: #F0F8F8;
    --color-footer-bg: #0B3F4A;
    --color-text-dark: #2C3E50;
    --color-text-light: #ECF0F1;
    --color-section-1: #F0F8F8;
    --color-section-2: #E6F2F5;
    --color-section-3: #DDF0E1;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Border Radius */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 1rem;
    --border-radius-lg: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 4px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.15);
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-dark);
    line-height: 1.6;
    background-color: var(--color-background);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden; /* Prevent horizontal scroll from animations */
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.2;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

h1 { font-size: var(--text-4xl); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color 0.3s ease-in-out;
}

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

ul, ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

li {
    margin-bottom: var(--spacing-xs);
}

/* Layout & Structure */
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

section {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

/* Section Backgrounds - natural, scientific aesthetic */
.section-1 { background-color: var(--color-section-1); }
.section-2 { background-color: var(--color-section-2); }
.section-3 { background-color: var(--color-section-3); }
.section-4 { background-color: var(--color-section-1); }
.section-5 { background-color: var(--color-section-2); }
.section-6 { background-color: var(--color-section-3); }

/* Header */
.header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(15, 76, 92, 0.1);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.header-logo {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.header-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: var(--spacing-lg);
}

.header-nav a {
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--text-lg);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.header-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: width 0.3s ease-in-out;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-lg);
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.3s ease-in-out;
    box-shadow: var(--shadow-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    color: var(--color-text-light);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--color-accent);
    color: var(--color-primary);
    border: 2px solid var(--color-secondary);
}

.btn-secondary:hover {
    background-color: var(--color-secondary);
    color: var(--color-text-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Cards */
.card {
    background-color: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
    position: relative;
    overflow: hidden;
}

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

/* Subtle background patterns for cards - natural textures */
.card-pattern-leaf::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 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="%23e0f0f0" fill-opacity="0.4"%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: 0.2;
    z-index: 0;
    pointer-events: none;
}

.card-pattern-water::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 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="%23d0e0e0" fill-opacity="0.4"%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: 0.2;
    z-index: 0;
    pointer-events: none;
}


.card > * {
    position: relative;
    z-index: 1;
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius-sm);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-primary);
}

.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-secondary);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-text-dark);
    background-color: white;
    transition: border-color 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(15, 76, 92, 0.2);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Footer */
.footer {
    background-color: var(--color-footer-bg);
    color: var(--color-text-light);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    font-size: var(--text-sm);
}

.footer a {
    color: var(--color-accent);
}

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

/* Alpine.js specific styles */
[x-cloak] {
    display: none !important;
}

/* Example for Alpine.js toggles (FAQ, filters) */
.accordion-item {
    background-color: white;
    border: 1px solid rgba(15, 76, 92, 0.1);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    cursor: pointer;
    font-weight: 600;
    color: var(--color-primary);
    background-color: rgba(255, 255, 255, 0.9);
    transition: background-color 0.3s ease-in-out;
}

.accordion-header:hover {
    background-color: rgba(230, 242, 245, 0.7); /* Lighter version of section-2 */
}

.accordion-icon {
    transition: transform 0.3s ease-in-out;
}

.accordion-header[aria-expanded="true"] .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    padding: 0 var(--spacing-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.accordion-content[x-show="true"] {
    max-height: 500px; /* Adjust as needed for content */
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md) var(--spacing-md);
}

/* Micro-interactions for premium feel */
.hover-grow:hover {
    transform: scale(1.02);
}

.focus-ring:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
    :root {
        --text-4xl: 1.875rem;
        --text-3xl: 1.5rem;
        --text-2xl: 1.25rem;
        --text-xl: 1.125rem;
        --text-lg: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }

    .header {
        flex-direction: column;
        text-align: center;
        padding-top: var(--spacing-md);
        padding-bottom: var(--spacing-md);
    }

    .header-nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
        margin-top: var(--spacing-sm);
    }

    .header-nav a {
        font-size: var(--text-base);
    }

    .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }

    section {
        padding-top: var(--spacing-lg);
        padding-bottom: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    :root {
        --text-4xl: 1.5rem;
        --text-3xl: 1.25rem;
        --text-2xl: 1.125rem;
        --text-xl: 1rem;
    }
}

/* Scrollbar Styling (Subtle) */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-background);
}

::-webkit-scrollbar-thumb {
    background: var(--color-secondary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}