/* Variables */
:root {
    --primary-color: #008080; /* Teal */
    --secondary-color: #00b3b3;
    --accent-color: #ffd700; /* Gold */
    --bg-color: #f8fbff;
    --text-color: #333;
    --light-text: #666;
    --white: #ffffff;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
    --container-width: 1140px;
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, .logo-text {
    font-family: 'Hind Siliguri', sans-serif;
    font-weight: 700;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    padding: 20px 0;
    position: absolute;
    width: 100%;
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 2rem;
}

.logo-text {
    font-size: 1.5rem;
    color: var(--primary-color);
    letter-spacing: 1px;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 160px 0 120px;
    background: linear-gradient(135deg, #e0f2f1 0%, #ffffff 100%);
    overflow: hidden;
}

.hero-bg-shapes .shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 1;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: rgba(0, 128, 128, 0.1);
    top: -100px;
    right: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: rgba(0, 179, 179, 0.1);
    bottom: 50px;
    left: -50px;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    position: relative;
    z-index: 2;
}

.hero-text {
    flex: 1;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(0, 128, 128, 0.1);
    color: var(--primary-color);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 24px;
    color: #1a1a1a;
}

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

.subheadline {
    font-size: 1.15rem;
    color: var(--light-text);
    margin-bottom: 40px;
    max-width: 500px;
}

/* Form Styles */
.signup-form .input-group {
    display: flex;
    gap: 10px;
    background: var(--white);
    padding: 8px;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    max-width: 500px;
}

.signup-form input {
    flex: 1;
    border: none;
    padding: 12px 20px;
    font-size: 1rem;
    outline: none;
    border-radius: 8px;
}

.btn {
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 128, 128, 0.3);
}

.form-message {
    margin-top: 15px;
    font-size: 0.9rem;
    min-height: 20px;
}

.form-message.success {
    color: #2e7d32;
}

/* App Mockup */
.app-mockup {
    width: 280px;
    height: 580px;
    background: #333;
    border-radius: 40px;
    padding: 12px;
    border: 8px solid #444;
    box-shadow: 0 30px 60px rgba(0,0,0,0.1);
    animation: float 6s ease-in-out infinite;
}

.mockup-screen {
    background: var(--bg-color);
    width: 100%;
    height: 100%;
    border-radius: 24px;
    overflow: hidden;
    position: relative;
}

.mockup-content {
    padding: 20px;
}

.mockup-header {
    height: 40px;
    background: var(--primary-color);
    border-radius: 8px;
    margin-bottom: 20px;
    opacity: 0.2;
}

.mockup-card {
    height: 100px;
    background: var(--white);
    border-radius: 12px;
    margin-bottom: 15px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

/* Waves */
.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: 80px;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    padding: 40px;
    background: var(--bg-color);
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 128, 128, 0.1);
    box-shadow: var(--card-shadow);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: inline-block;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: #1a1a1a;
}

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

/* Footer */
.footer {
    padding: 60px 0;
    background: var(--bg-color);
    border-top: 1px solid rgba(0,0,0,0.05);
}

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

.footer p {
    color: var(--light-text);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--secondary-color);
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.animate-up-delayed {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.3s forwards;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .subheadline {
        margin: 0 auto 40px;
    }
    
    .signup-form .input-group {
        margin: 0 auto;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .signup-form .input-group {
        flex-direction: column;
        background: transparent;
        box-shadow: none;
        padding: 0;
    }
    
    .signup-form input {
        background: var(--white);
        box-shadow: var(--card-shadow);
        margin-bottom: 10px;
    }
}