/* --- Variables & Theming --- */
:root {
    --color-bg-base: #f8fafc;
    /* Light Slate background */
    --color-bg-surface: #ffffff;
    /* Pure white for cards */
    --color-bg-light: #f1f5f9;

    --color-primary: #10b981;
    /* Eco Green */
    --color-primary-hover: #059669;
    --color-secondary: #0ea5e9;
    /* Calming Blue for Health/Tech */
    --color-accent-orange: #f59e0b;
    /* Orange for Gamification */

    --color-text-primary: #0f172a;
    /* Dark slate for text */
    --color-text-secondary: #475569;
    /* Lighter text */

    --color-border: #e2e8f0;

    --font-sans: 'Plus Jakarta Sans', sans-serif;
    --font-heading: 'Outfit', sans-serif;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 40px -10px rgba(16, 185, 129, 0.15);
}

/* --- Resets --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

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

h1,
h2,
h3,
h4,
.logo-text {
    font-family: var(--font-heading);
    color: var(--color-text-primary);
}

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

ul {
    list-style: none;
}

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

input,
textarea,
select,
button {
    font-family: inherit;
    border: none;
    outline: none;
    background: none;
}

/* --- Typography Utilities --- */
.text-center {
    text-align: center;
}

.text-green {
    color: var(--color-primary) !important;
}

.text-blue {
    color: var(--color-secondary) !important;
}

.text-orange {
    color: var(--color-accent-orange) !important;
}

.mt-4 {
    margin-top: 1rem;
}

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

.gradient-text-green {
    background: linear-gradient(135deg, var(--color-primary), #34d399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Layout --- */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 60px;
    max-width: 700px;
    margin-inline: auto;
}

.section-title {
    font-size: 2.75rem;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.section-desc,
.section-subtitle {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
}

/* --- UI Components --- */
/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 100px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn i {
    font-size: 1.2rem;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

.btn-primary {
    background-color: var(--color-text-primary);
    color: white;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background-color: var(--color-primary);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
}

.btn-outline {
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    background: var(--color-bg-surface);
}

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

/* Badges */
.badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-primary);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.badge-outline {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
}

/* Glass Card */
.glass-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    transition: all var(--transition-normal);
    padding: 24px 0;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 16px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-leaf {
    color: var(--color-primary);
    font-size: 1.7rem;
}

.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-list {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-weight: 500;
    color: var(--color-text-secondary);
}

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

.mobile-menu-btn {
    display: none;
    color: var(--color-text-primary);
    font-size: 1.75rem;
    cursor: pointer;
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    position: relative;
    overflow: hidden;
}

.hero-bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    opacity: 0.15;
}

.shape-green {
    width: 600px;
    height: 600px;
    background: var(--color-primary);
    top: -100px;
    right: -100px;
}

.shape-blue {
    width: 500px;
    height: 500px;
    background: var(--color-secondary);
    bottom: -100px;
    left: -100px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.hero-desc {
    font-size: 1.25rem;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
}

.hero-image {
    width: 100%;
    height: 650px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.floating-card {
    position: absolute;
    animation: float 6s ease-in-out infinite;
}

.floating-card i {
    font-size: 2rem;
    padding: 12px;
    border-radius: 12px;
    background: var(--color-bg-base);
}

.card-eco {
    top: 15%;
    left: -30px;
}

.card-health {
    bottom: 15%;
    right: -30px;
    animation-delay: -3s;
}

.card-title {
    display: block;
    font-weight: 600;
    font-family: var(--font-heading);
    font-size: 1.1rem;
}

.card-subtitle {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-15px);
    }
}

/* --- Vision --- */
.vision-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.vision-stats {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.stat-box {
    background: var(--color-bg-surface);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.stat-box h3 {
    margin-bottom: 8px;
    font-size: 1.5rem;
}

.stat-box p {
    color: var(--color-text-secondary);
    margin: 0;
}

/* --- Pillars Section --- */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.pillar-card {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.pillar-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.pillar-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 24px;
}

.bg-green-light {
    background: rgba(16, 185, 129, 0.1);
}

.bg-blue-light {
    background: rgba(14, 165, 233, 0.1);
}

.bg-orange-light {
    background: rgba(245, 158, 11, 0.1);
}

.pillar-title {
    font-size: 1.5rem;
    margin-bottom: 16px;
    min-height: 60px;
    /* Aligns titles if varying length */
}

.pillar-desc {
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.pillar-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-weight: 500;
}

.pillar-features li i {
    font-size: 1.25rem;
}

/* --- Gamification Section --- */
.gamification-cards {
    display: flex;
    flex-direction: column;
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.game-card {
    display: flex;
    gap: 32px;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.game-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.game-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    flex-shrink: 0;
}

.game-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    line-height: 1.3;
}

.game-content h3 span {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.game-content p {
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .game-card {
        flex-direction: column;
        gap: 24px;
        padding: 24px;
    }

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

/* --- Security --- */
.security-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.shield-wrapper {
    width: 300px;
    height: 300px;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.shield-icon {
    font-size: 8rem;
    position: relative;
    z-index: 2;
}

.ripple {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
    animation: rippleAnim 4s infinite linear;
    opacity: 0;
}

.ripple-2 {
    animation-delay: 2s;
}

@keyframes rippleAnim {
    0% {
        transform: scale(0.8);
        opacity: 0.5;
    }

    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.security-list {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sec-item {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.125rem;
    font-weight: 600;
    background: var(--color-bg-surface);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.sec-item i {
    color: var(--color-primary);
    font-size: 1.5rem;
}

/* --- Contact / CTA Section --- */
.contact-box {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.contact-info {
    padding: 60px;
    background: linear-gradient(135deg, var(--color-primary), #059669);
    color: white;
}

.contact-info h2 {
    color: white;
    font-size: 2.25rem;
}

.contact-info p {
    color: rgba(255, 255, 255, 0.9);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.125rem;
}

.contact-link i {
    font-size: 1.5rem;
}

.contact-form-wrapper {
    padding: 60px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px;
    background: var(--color-bg-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    background: var(--color-bg-surface);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

/* --- Footer --- */
.footer {
    background: var(--color-bg-surface);
    padding: 60px 0 24px;
    border-top: 1px solid var(--color-border);
}

.footer-brand {
    text-align: center;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--color-text-secondary);
    margin-top: 16px;
}

.footer-bottom {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    border-top: 1px solid var(--color-border);
    padding-top: 24px;
}

/* --- Animations via JS --- */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-slow);
}

.reveal-left {
    opacity: 0;
    transform: translateX(40px);
    transition: all var(--transition-slow);
}

.reveal-right {
    opacity: 0;
    transform: translateX(-40px);
    transition: all var(--transition-slow);
}

.reveal-active {
    opacity: 1;
    transform: translate(0, 0);
}

/* --- Responsive Design --- */
@media (max-width: 992px) {

    .hero-container,
    .vision-container,
    .security-container,
    .contact-box {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2.75rem;
    }

    .hero-image {
        height: 400px;
    }

    .pillars-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .security-image {
        order: -1;
        margin-bottom: 40px;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

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

    .contact-info,
    .contact-form-wrapper {
        padding: 40px 24px;
    }

    .floating-card {
        display: none;
    }

    /* Hide floating cards on small screens for cleaner look */
}