/* --- RESET & BASICS --- */
:root {
    --primary-green: #105c28;
    --dark-green: #0a4018;
    --text-dark: #333;
    --text-gray: #555;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory;
}

body {
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    background-color: #fff;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* --- UTILITIES --- */
.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: #0d4620;
    transform: scale(1.05);
}

.btn-outline {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

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

h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    font-weight: 700;
}

/* --- FULL SCREEN LOGIC --- */
section,
header {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    scroll-snap-align: start;
    position: relative;
    padding: 80px 0;
}

/* ---  NAVBAR DESIGN --- */
nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50px;
    padding: 10px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 45px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    gap: 40px;
    font-weight: 500;
    color: var(--text-dark);
}

.nav-links a {
    font-size: 1rem;
    transition: color 0.3s;
}

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

/* --- HERO SECTION --- */
#hero {
    background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url('assets/fruits.png');
    background-size: cover;
    background-position: center;
    text-align: center;
    color: white;
}

#hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.1;
    font-weight: 700;
}

#hero p {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto 40px;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* --- ABOUT (What is GAIA) --- */
#about {
    background-color: white;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-img img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.about-text h2 {
    color: var(--primary-green);
}

.about-text p {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 20px;
}

/* --- BENEFITS --- */
#benefits {
    background-color: var(--primary-green);
    color: white;
    text-align: center;
}

#benefits p.intro {
    max-width: 800px;
    margin: 0 auto 60px;
    opacity: 0.9;
    font-size: 1.1rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: white;
    color: var(--text-dark);
    padding: 40px 20px;
    border-radius: 20px;
    transition: transform 0.3s;
}

.benefit-card:hover {
    transform: translateY(-10px);
}

.icon-circle {
    width: 70px;
    height: 70px;
    background-color: var(--primary-green);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 30px;
}

.benefit-card h3 {
    color: var(--primary-green);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.benefit-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.5;
}

/* --- RESULTS --- */
#results {
    background-color: var(--primary-green);
    color: white;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.results-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 20px;
}

.result-item img {
    width: 100%;
    max-height: 500px;
    object-fit: contain;
    border-radius: 15px;
    border: 4px solid white;
    background: white;
}

/* --- VIDEO STORY --- */
#video-story {
    background-color: white;
    text-align: center;
}

.video-wrapper {
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    border: 4px solid var(--primary-green);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.video-wrapper img {
    width: 100%;
    display: block;
}

/* --- FEEDBACK --- */
#feedback {
    background-color: #f8fcf9;
}

#feedback .about-grid {
    align-items: center;
}

.feedback-text h2 {
    color: var(--primary-green);
}

.feedback-text p {
    font-size: 1.25rem;
    color: #444;
    line-height: 1.8;
}

.feedback-video-frame {
    border: 4px solid var(--primary-green);
    border-radius: 20px;
    overflow: hidden;
    max-width: 380px;
    margin: 0 auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feedback-video-frame img {
    width: 100%;
    display: block;
}

/* --- PARTNER CTA --- */
#partner {
    background-color: white;
    text-align: center;
    flex-direction: column;
    justify-content: center;
}

#partner h2 {
    color: var(--primary-green);
    font-size: 3.5rem;
}

#partner p {
    max-width: 700px;
    margin: 20px auto 40px;
    font-size: 1.3rem;
    color: #555;
}

/* --- FOOTER --- */
footer {
    background-color: var(--dark-green);
    color: white;
    padding: 30px 0;
    scroll-snap-align: end;
}

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

.social-icons a {
    color: white;
    font-size: 1.5rem;
    margin-left: 20px;
    transition: opacity 0.3s;
}

.social-icons a:hover {
    opacity: 0.8;
}

.nav-links a.active {
    color: var(--primary-green) !important;
    font-weight: 700;
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
    nav {
        width: 95%;
        padding: 8px 15px;
    }

    .nav-links {
        display: none;
    }

    .logo img {
        height: 30px;
    }

    .btn {
        padding: 6px 15px;
        font-size: 0.8rem;
        width: auto;
    }

    #hero h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    section {
        padding: 60px 20px;
    }

    .about-grid,
    .results-container,
    .hero-buttons {
        flex-direction: column;
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }

    .feedback-video-frame {
        max-width: 100%;
    }
}