/* --- RESET & VARIABLES --- */
:root {
    --primary: #2C3E50; /* Deep Sleep Blue */
    --accent: #27AE60; /* Wellness Green */
    --secondary: #ecf0f1; /* Cloud White */
    --text: #333333;
    --light-text: #7f8c8d;
    --white: #ffffff;
    --transition: all 0.3s ease;
    --shadow: 0 4px 15px rgba(0,0,0,0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; line-height: 1.6; color: var(--text); background-color: var(--white); overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; }

/* --- UTILITIES --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.btn { display: inline-block; padding: 12px 30px; border-radius: 50px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; cursor: pointer; border: none; text-align: center; }
.btn-primary { background-color: var(--accent); color: var(--white); }
.btn-primary:hover { background-color: #219150; transform: translateY(-2px); box-shadow: 0 4px 10px rgba(39, 174, 96, 0.3); }
.btn-outline { border: 2px solid var(--white); color: var(--white); background: transparent; }
.btn-outline:hover { background-color: var(--white); color: var(--primary); }
.bg-light { background-color: var(--secondary); }
.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 60px; max-width: 800px; margin-left: auto; margin-right: auto; }
.section-header h2 { font-size: 2.5rem; color: var(--primary); margin-bottom: 1rem; }

/* --- HEADER & NAV --- */
.header { background: var(--white); box-shadow: 0 2px 10px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 1000; height: 80px; display: flex; align-items: center; }
.navbar { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.logo { font-size: 1.8rem; font-weight: 800; color: var(--primary); letter-spacing: -1px; }
.logo span { color: var(--accent); }
.nav-menu { display: flex; align-items: center; gap: 30px; }
.nav-link { font-weight: 500; color: var(--primary); font-size: 0.95rem; }
.nav-link:hover { color: var(--accent); }
.hamburger { display: none; cursor: pointer; }
.bar { display: block; width: 25px; height: 3px; margin: 5px auto; transition: var(--transition); background-color: var(--primary); }

/* --- HERO SECTION --- */
.hero { 
    position: relative;
    height: 85vh; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    text-align: center; 
    color: var(--white); 
    background: url('https://images.unsplash.com/photo-1531353826977-0941b4779a1c?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
}
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(44, 62, 80, 0.6); }
.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero h1 { font-size: 3.5rem; margin-bottom: 20px; font-weight: 700; line-height: 1.2; }
.hero-sub { font-size: 1.25rem; margin-bottom: 40px; opacity: 0.9; }
.hero-buttons { display: flex; gap: 20px; justify-content: center; margin-bottom: 30px; }
.hero-trust { font-size: 0.9rem; font-weight: 600; letter-spacing: 1px; opacity: 0.8; margin-top: 20px; }

/* --- TRUST STRIP --- */
.trust-strip { background-color: var(--secondary); padding: 30px 0; border-bottom: 1px solid #e0e0e0; }
.trust-grid { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 20px; text-align: center; }
.trust-item { display: flex; flex-direction: column; align-items: center; gap: 10px; font-weight: 600; color: var(--primary); font-size: 0.9rem; }
.trust-item .icon { font-size: 1.5rem; }

/* --- FEATURES --- */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; }
.feature-card { background: var(--white); padding: 40px 30px; border-radius: 10px; text-align: center; box-shadow: var(--shadow); transition: var(--transition); border: 1px solid #eee; }
.feature-card:hover { transform: translateY(-10px); }
.card-icon { font-size: 3rem; margin-bottom: 20px; display: block; }
.feature-card h3 { margin-bottom: 15px; color: var(--primary); font-size: 1.4rem; }

/* --- SPLIT SECTION --- */
.split-section { display: flex; flex-wrap: wrap; background-color: var(--white); }
.split-image { flex: 1; min-height: 400px; background-size: cover; background-position: center; }
.split-content { flex: 1; padding: 80px; display: flex; flex-direction: column; justify-content: center; background-color: var(--secondary); }
.split-content h2 { font-size: 2.2rem; color: var(--primary); margin-bottom: 20px; }
.split-content p { margin-bottom: 15px; color: var(--text); }

/* --- TESTIMONIALS --- */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.testimonial-card { background: var(--white); padding: 30px; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
.stars { color: #f1c40f; margin-bottom: 15px; }
.testimonial-card p { font-style: italic; margin-bottom: 20px; color: #555; }
.author { font-weight: bold; color: var(--primary); display: block; text-align: right; }

/* --- NEWSLETTER --- */
.newsletter-section { padding: 80px 0; background-color: var(--primary); color: var(--white); text-align: center; }
.newsletter-content { max-width: 600px; margin: 0 auto; }
.newsletter-content h2 { font-size: 2rem; margin-bottom: 1rem; }
.newsletter-form { display: flex; gap: 10px; margin-top: 30px; }
.newsletter-form input { flex: 1; padding: 15px; border-radius: 50px; border: none; font-size: 1rem; outline: none; }
.newsletter-form button { border-radius: 50px; white-space: nowrap; }
.privacy-note { margin-top: 15px; font-size: 0.8rem; opacity: 0.7; }

/* --- FOOTER --- */
.footer { background-color: #1a252f; color: #bdc3c7; padding: 80px 0 20px; font-size: 0.9rem; }
.footer-top { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 60px; border-bottom: 1px solid #34495e; padding-bottom: 40px; }
.footer-col h3 { color: var(--white); margin-bottom: 20px; font-size: 1.2rem; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col a:hover { color: var(--accent); padding-left: 5px; }
.footer-bottom { text-align: center; font-size: 0.8rem; color: #7f8c8d; }
.disclaimer { margin-top: 20px; max-width: 800px; margin-left: auto; margin-right: auto; line-height: 1.4; }

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 768px) {
    .hamburger { display: block; }
    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
    
    .nav-menu { position: fixed; left: -100%; top: 80px; gap: 0; flex-direction: column; background-color: var(--white); width: 100%; text-align: center; transition: 0.3s; box-shadow: 0 10px 10px rgba(0,0,0,0.1); }
    .nav-menu.active { left: 0; }
    .nav-item { margin: 16px 0; }
    
    .hero h1 { font-size: 2.5rem; }
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn { width: 100%; }
    
    .split-content { padding: 40px 20px; }
    .newsletter-form { flex-direction: column; }
    .newsletter-form input, .newsletter-form button { width: 100%; }
}