:root {
    /* Colors - Light Theme: White, Teal, Orange */
    --bg-color: #ffffff;
    --text-main: #1f2937; /* Dark Gray for readability */
    --text-muted: #4b5563;
    --primary: #0d9488; /* Teal */
    --primary-hover: #0f766e;
    --accent: #f97316; /* Orange */
    --accent-hover: #ea580c;
    --secondary: rgba(13, 148, 136, 0.08); /* Soft Teal background */
    --secondary-hover: rgba(13, 148, 136, 0.15);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);
    --gradient-accent: linear-gradient(135deg, #ea580c 0%, #f97316 100%);
    --gradient-glow: linear-gradient(135deg, rgba(13, 148, 136, 0.15) 0%, rgba(249, 115, 22, 0.15) 100%);
    
    /* Typography */
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

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

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(13, 148, 136, 0.1);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a:not(.btn) {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.nav-links a:not(.btn):hover {
    color: var(--text-main);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-large {
    padding: 0.8rem 1.8rem;
    font-size: 1.05rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(13, 148, 136, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    padding-top: 180px;
    padding-bottom: 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-bg-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 60vw;
    height: 60vh;
    background: var(--gradient-glow);
    filter: blur(100px);
    z-index: -1;
    border-radius: 50%;
    opacity: 0.8;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 540px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.gradient-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

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

.hero-visual {
    position: relative;
}

.glass-panel {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(13, 148, 136, 0.2);
    border-radius: 20px;
    padding: 1rem;
    box-shadow: 0 25px 50px -12px rgba(13, 148, 136, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.glass-panel:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.placeholder-img img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: #f8fafc; /* Very light gray */
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #ffffff;
    border: 1px solid rgba(13, 148, 136, 0.1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: #ffffff;
    transform: translateY(-5px);
    border-color: rgba(13, 148, 136, 0.3);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Footer */
footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(13, 148, 136, 0.1);
}

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

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--text-main);
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
        margin: 0 auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .glass-panel {
        transform: none;
    }
    
    .glass-panel:hover {
        transform: none;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
}