:root {
    --primary-green: #58a474;
    --primary-hover: #468a5f;
    --dark-bg: #05141f;
    --text-main: #1a202c;
    --text-light: #718096;
    --card-bg: #ffffff;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body { 
    background-color: #fcfcfc; 
    color: var(--text-main); 
    line-height: 1.6; 
}

.btn {
    padding: 10px 24px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
    text-decoration: none;
}

.btn-icon {
    width: 18px;
    height: auto;
    transition: transform 0.3s ease;
}

.btn-primary { 
    background: var(--primary-green); 
    color: white; 
    box-shadow: 0 4px 12px rgba(88, 164, 116, 0.2);
}

.btn-primary:hover { 
    background: var(--primary-hover); 
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(88, 164, 116, 0.3);
}

.btn-primary:hover .btn-icon {
    transform: translateX(4px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline { 
    background: transparent; 
    border: 1px solid rgba(255, 255, 255, 0.8); 
    color: white; 
    margin-left: 10px; 
}

.btn-outline:hover { 
    background: rgba(255, 255, 255, 0.1); 
    border-color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background: white;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.logo img {
    height: 40px;
}

.nav-links { 
    list-style: none; 
    display: flex; 
    gap: 30px; 
}

.nav-links a { 
    text-decoration: none; 
    color: var(--text-main); 
    font-size: 0.95rem; 
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.hero {
    height: 90vh;
    background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('assets/hero-bg.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 0 5%;
}

.hero-content h1 { 
    font-size: 3.8rem; 
    line-height: 1.2;
    margin-bottom: 20px; 
}

.highlight { 
    color: var(--primary-green); 
}

.hero-content p { 
    max-width: 700px; 
    margin: 0 auto 30px; 
    font-size: 1.2rem;
    opacity: 0.9; 
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 20px;
    border-radius: 100px; 
    
    background-color: rgba(255, 255, 255, 0.95); 
    border: 1px solid rgba(0, 0, 0, 0.05); 
    color: #4f9d73; 
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.2px;
    
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.dot {
    width: 8px;
    height: 8px;
    background-color: #4f9d73;
    border-radius: 50%;
    position: relative;
    display: inline-block;
    
    box-shadow: 0 0 0 4px rgba(79, 157, 115, 0.2); 
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 0 0px rgba(79, 157, 115, 0.4); }
    70% { box-shadow: 0 0 0 6px rgba(79, 157, 115, 0); }
    100% { box-shadow: 0 0 0 0px rgba(79, 157, 115, 0); }
}

.dot {
    animation: pulse-glow 2s infinite;
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.7);
    color: #ffffff;
    padding: 12px 28px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #ffffff;
}


.play-icon {
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-left: 10px solid #ffffff; 
    display: inline-block;
}
.notes-section { 
    padding: 100px 8%; 
    text-align: center; 
}

.notes-section h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.subtitle {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.card-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 60px;
}

.card {
    background: var(--card-bg);
    padding: 32px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    text-align: left;
    flex: 1;
    min-width: 280px;
    max-width: 322px;
    transition: var(--transition);
    border: 1px solid transparent;
    margin-bottom: 0;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    border-color: rgba(88, 164, 116, 0.1);
}

.icon-box { 
    width: 48px; 
    height: 48px; 
    border-radius: 100px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    margin-bottom: 20px; 
}

.icon-box img {
    width: 24px;
}

.red {background: rgba(249, 85, 85, 1); }


.brain-section { 
    padding: 100px 8%; 
    background: #f8f9fa; 
}

.brain-container { 
    display: flex; 
    align-items: center; 
    gap: 80px; 
}

.brain-image, .brain-text { 
    flex: 1; 
}

.brain-image img { 
    width: 90%; 
    border-radius: 10px;
    border: 1px solid rgba(88, 164, 116, 0.1);
    background: url(image);
}

.label { 
    color: var(--primary-green); 
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 800; 
    font-size: 0.75rem; 
    display: block;
    margin-bottom: 10px;
}

.check-list { 
    list-style: none; 
    margin-top: 30px; 
}

.check-list li { 
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px; 
    color: var(--text-main); 
    font-weight: 500;
}

.check-list img { 
    width: 22px; 
}

.cta-section { 
    padding: 100px 8%; 
    text-align: center; 
}

.cta-card { 
    background: #f0f7f2; 
    padding: 70px 30px; 
    border-radius: 10px;
    border: 1px solid rgba(88, 164, 116, 0.1);
}

.small-text { 
    color: var(--text-light); 
    font-size: 0.85rem; 
    margin-top: 10px;
}

.footer { 
    background: var(--dark-bg); 
    color: white; 
    padding: 60px 8% 30px; 
}

.footer-top { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 40px; 
}

.socials {
    display: flex;
    flex-direction: column;
    align-items: flex-end; 
    gap: 12px;
}

.socials span {
    font-size: 1.1rem;
    font-weight: 500;
    color: white;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 35px;
    height: 35px;
    background-color: white; 
    color: #05141f; 
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 18px; 
    transition: all 0.3s ease;
}

.social-icons a:hover {
    transform: scale(1.1); 
    background-color: #58a474; 
    color: white;
}
.footer-socials {
    display: flex;
    flex-direction: column; 
    align-items: center;    
    gap: 15px;             
    text-align: center; 
}

.footer hr { 
    border: 0; 
    border-top: 1px solid rgba(255,255,255,0.1); 
    margin-bottom: 30px; 
}

.copyright { 
    text-align: center; 
    font-size: 0.85rem; 
    opacity: 0.5; 
}

@media (max-width: 992px) {
    .brain-container { gap: 40px; }
    .hero-content h1 { font-size: 3rem; }
}

@media (max-width: 768px) {
    .navbar { padding: 15px 5%; }
    .nav-links { display: none; } 
    .card-grid { flex-direction: column; align-items: center; }
    .brain-container { flex-direction: column; text-align: center; }
    .check-list li { justify-content: center; }
    .hero-content h1 { font-size: 2.4rem; }
    .footer-top { flex-direction: column; gap: 30px; text-align: center; }
}