/* ==========================================================================
   CSS Variables & Reset
   ========================================================================== */
   :root {
    /* Color Palette - Organic & Earthy */
    --color-bg: #f9f7f3;        /* Warm off-white */
    --color-surface: #ffffff;
    --color-primary: #6c8c6b;   /* Soft sage green */
    --color-primary-dark: #4a6349;
    --color-accent: #e09f56;    /* Warm sun/amber */
    --color-text: #3e423d;      /* Dark slate/greenish gray for softer contrast */
    --color-text-light: #6e766c;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --container-max: 1200px;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions & Shadows */
    --shadow-soft: 0 10px 40px rgba(108, 140, 107, 0.08);
    --shadow-hover: 0 15px 50px rgba(108, 140, 107, 0.15);
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary-dark);
}

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

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

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

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(108, 140, 107, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 140, 107, 0.4);
}

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

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

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    transition: var(--transition-fast);
}

.navbar.scrolled {
    background: rgba(249, 247, 243, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--color-primary-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.nav-links a {
    color: var(--color-text);
    font-weight: 600;
}

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

.btn-nav {
    padding: 0.6rem 1.5rem;
    background: var(--color-accent);
    color: white;
    box-shadow: 0 4px 10px rgba(224, 159, 86, 0.3);
}
.btn-nav:hover {
    background: #c98844;
    color: white;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 5rem;
    background: url('../images/hero.png') no-repeat center center;
    background-size: cover;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(249, 247, 243, 0.4); /* Soft overlay to ensure text readability */
    z-index: 1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: 2;
    padding: 0 2rem;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    color: var(--color-primary-dark);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Organic background shape */
.hero-bg-shape {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(224, 159, 86, 0.1) 0%, rgba(108, 140, 107, 0.05) 50%, transparent 70%);
    z-index: 1;
    border-radius: 50%;
    animation: pulse 10s infinite alternate ease-in-out;
}

@keyframes pulse {
    0% { transform: translate(-50%, -50%) scale(1); }
    100% { transform: translate(-50%, -50%) scale(1.1); }
}

/* ==========================================================================
   Vision Section
   ========================================================================== */
.section {
    padding: var(--spacing-xl) 0;
}

.vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.vision-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.vision-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--color-text-light);
}

/* Organic Image Placeholder */
.organic-image {
    width: 100%;
    max-width: 450px;
    height: auto;
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    box-shadow: var(--shadow-soft);
    display: block;
    margin: 0 auto;
    animation: morph 8s ease-in-out infinite;
    object-fit: cover;
}

@keyframes morph {
    0% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
    50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
    100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
}

/* ==========================================================================
   How It Works
   ========================================================================== */
.how-it-works {
    background-color: var(--color-surface);
}

.how-it-works h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.step-card {
    background: var(--color-bg);
    padding: 3rem 2rem;
    border-radius: 30px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-fast);
}

.step-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.step-icon {
    width: 60px;
    height: 60px;
    background: var(--color-accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto 1.5rem;
}

.step-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.step-card p {
    color: var(--color-text-light);
}

/* ==========================================================================
   Tech / Privacy Section
   ========================================================================== */
.tech {
    background: var(--color-primary-dark);
    color: white;
    text-align: center;
}

.tech h2 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.tech p {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.8);
    max-width: 800px;
    margin: 0 auto 1.5rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: var(--color-surface);
    padding: var(--spacing-lg) 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--color-text-light);
    max-width: 300px;
}

.footer h4 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 0.8rem;
}

.footer ul a, .footer-contact a {
    color: var(--color-text-light);
}

.footer ul a:hover, .footer-contact a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0,0,0,0.05);
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--color-text-light);
    margin: 0 0.5rem;
}

/* ==========================================================================
   Animations & Reveal
   ========================================================================== */
.reveal, .fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

.reveal.active, .fade-up.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 900px) {
    .vision-grid {
        grid-template-columns: 1fr;
    }
    .vision-image { order: -1; }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    
    .hero h1 { font-size: 3rem; }
    .hero-actions { flex-direction: column; }
    .hero-subtitle { font-size: 1.1rem; }
}