/* ==========================================================================
   1. CSS Variables & Root Configuration
   ========================================================================== */

:root {
    /* Color Palette (Complementary) */
    --color-primary: #0A4F5A; /* Dark Teal - Stability, Professionalism */
    --color-primary-dark: #073a42;
    --color-secondary: #E87A4D; /* Burnt Orange - Energy, Warmth */
    --color-secondary-dark: #c9653a;
    --color-background: #F4F7F6; /* Light Eco Gray - Minimalist, Clean */
    --color-background-alt: #FFFFFF;
    --color-text-dark: #222222;
    --color-text-light: #FFFFFF;
    --color-text-muted: #555555;
    --color-glass-bg: rgba(10, 79, 90, 0.1);
    --color-border: rgba(255, 255, 255, 0.2);
    --color-shadow: rgba(0, 0, 0, 0.1);

    /* Typography */
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Merriweather', serif;

    /* Spacing & Sizing */
    --header-height: 80px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    
    /* Transitions & Animations */
    --transition-smooth: all 0.3s ease-in-out;
}

/* ==========================================================================
   2. Base & Global Styles
   ========================================================================== */

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-secondary);
    background-color: var(--color-background);
    color: var(--color-text-dark);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--color-text-dark);
    text-shadow: 1px 1px 3px var(--color-shadow);
    margin: 0 0 1rem 0;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
p { margin-bottom: 1.5rem; }

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

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

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

/* ==========================================================================
   3. Layout & Utility Classes
   ========================================================================== */

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section-padding {
    padding: 6rem 0;
}

.section-light {
    background-color: var(--color-background-alt);
}

.text-center {
    text-align: center;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    color: var(--color-primary);
}

.columns-container {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
}

.column {
    flex: 1 1 300px;
}

.column.is-two-thirds {
    flex-grow: 2;
    flex-basis: 60%;
}

.centered-column {
    margin-left: auto;
    margin-right: auto;
}


/* ==========================================================================
   4. Header & Navigation
   ========================================================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(244, 247, 246, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    border-bottom: 1px solid rgba(10, 79, 90, 0.1);
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.logo {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}

.nav-menu a {
    color: var(--color-text-dark);
    font-family: var(--font-primary);
    font-weight: 600;
    padding: 0.5rem 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: var(--transition-smooth);
}

.nav-menu a:hover::after {
    width: 100%;
}

.burger-menu {
    display: none;
    cursor: pointer;
    background: transparent;
    border: none;
    padding: 0;
    z-index: 1001;
}

.burger-menu span {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px 0;
    background-color: var(--color-primary);
    transition: var(--transition-smooth);
}

/* ==========================================================================
   5. Hero Section
   ========================================================================== */

.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-text-light);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed; /* Parallax effect */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    color: var(--color-text-light);
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2.5rem auto;
}

/* ==========================================================================
   6. Global Component Styles (Buttons, Cards)
   ========================================================================== */

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-family: var(--font-primary);
    font-weight: 600;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    text-align: center;
    transition: var(--transition-smooth);
}

.btn-primary {
    background-color: var(--color-secondary);
    color: var(--color-text-light);
}

.btn-primary:hover {
    background-color: var(--color-secondary-dark);
    color: var(--color-text-light);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-text-light);
}

/* Glassmorphism Card Style */
.glass-card {
    background: var(--color-glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
    padding: 2.5rem;
    box-shadow: 0 8px 32px 0 var(--color-shadow);
}

/* Standard Card Style */
.card {
    background: var(--color-background-alt);
    border-radius: var(--border-radius-md);
    box-shadow: 0 4px 15px var(--color-shadow);
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    height: 100%;
    text-align: center;
    align-items: center;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px var(--color-shadow);
}

.card-image {
    width: 100%;
    height: 250px; /* Fixed height for image container */
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Ensures image covers the container */
    transition: transform 0.4s ease;
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

.card-content p {
    flex-grow: 1;
    color: var(--color-text-muted);
}

.read-more {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--color-secondary);
    margin-top: 1rem;
}

/* ==========================================================================
   7. Specific Section Styles
   ========================================================================== */

/* Mission Section */
#mission {
    background: var(--color-primary) url('image/abstract-background-green-lines.jpg') center center/cover no-repeat;
    background-blend-mode: multiply;
    data-prompt: "Abstract background with subtle, flowing green and white lines representing data flow and organic growth, minimalist and clean."
}
#mission .mission-content p {
    color: var(--color-text-light);
    font-size: 1.1rem;
    text-align: center;
}
#mission .section-title {
    color: var(--color-text-light);
}

/* Insights Section (Carousel) */
.content-carousel {
    position: relative;
}
.carousel-track {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 2rem;
    padding-bottom: 1.5rem; /* For scrollbar */
    scrollbar-width: none; /* Firefox */
}
.carousel-track::-webkit-scrollbar { display: none; } /* Chrome, Safari */

.carousel-item {
    flex: 0 0 calc(100% / 3 - 2rem * 2 / 3);
    scroll-snap-align: start;
}

.carousel-controls {
    text-align: center;
    margin-top: 2rem;
}
.carousel-controls button {
    background-color: var(--color-primary);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin: 0 0.5rem;
    cursor: pointer;
    font-size: 1.5rem;
    transition: var(--transition-smooth);
}
.carousel-controls button:hover {
    background-color: var(--color-primary-dark);
}

/* External Resources Section */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.resource-link {
    display: block;
    color: var(--color-text-light);
}
.resource-link:hover {
    color: var(--color-text-light);
    transform: scale(1.03);
}
.resource-link h4 {
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
}

/* Contact Form */
.contact-form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-background-alt);
    border: none;
    padding: 3rem;
}

.contact-form .form-group {
    position: relative;
    margin-bottom: 2rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ccc;
    border-radius: var(--border-radius-sm);
    background-color: var(--color-background);
    font-family: var(--font-secondary);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(10, 79, 90, 0.2);
}

.contact-form label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--color-text-muted);
    pointer-events: none;
    transition: var(--transition-smooth);
}

.contact-form input:focus + label,
.contact-form input:not(:placeholder-shown) + label,
.contact-form textarea:focus + label,
.contact-form textarea:not(:placeholder-shown) + label {
    top: -0.75rem;
    left: 0.75rem;
    font-size: 0.8rem;
    background: var(--color-background-alt);
    padding: 0 0.25rem;
    color: var(--color-primary);
}

.contact-form button {
    width: 100%;
}

/* ==========================================================================
   8. Footer
   ========================================================================== */

.site-footer {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    padding: 4rem 0 2rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-column h4 {
    font-family: var(--font-primary);
    color: var(--color-secondary);
    margin-bottom: 1rem;
}

.footer-column p {
    color: rgba(255, 255, 255, 0.8);
}

.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-smooth);
}

.footer-column a:hover {
    color: var(--color-text-light);
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 2rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   9. Specific Page Styles (Success, Privacy, Terms)
   ========================================================================== */

.static-page-content {
    padding-top: calc(var(--header-height) + 4rem); /* 100px+ extra space */
    padding-bottom: 4rem;
}

.success-page {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-align: center;
    background-color: var(--color-background);
}

.success-content {
    max-width: 600px;
}

/* ==========================================================================
   10. Scroll Reveal Animations (Initial States)
   ========================================================================== */

.reveal-up, .reveal-fade, .reveal-text, .reveal-button {
    visibility: hidden;
}

/* ==========================================================================
   11. Responsiveness & Media Queries
   ========================================================================== */

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background-color: var(--color-background-alt);
        box-shadow: -5px 0 15px var(--color-shadow);
        transition: right 0.4s ease-in-out;
        gap: 2.5rem;
    }

    .nav-menu.active {
        right: 0;
    }

    .burger-menu {
        display: block;
    }
    
    .burger-menu.is-active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .burger-menu.is-active span:nth-child(2) {
        opacity: 0;
    }
    .burger-menu.is-active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .columns-container {
        flex-direction: column;
    }
    
    .column.is-two-thirds {
        flex-basis: 100%;
    }

    .carousel-item {
        flex: 0 0 90%;
    }
}