:root {
    --primary: #007BFF;
    --primary-dark: #001F3F;
    --accent: #00D1FF;
    --bg: #F8F9FA;
    --text: #1A202C;
    --text-muted: #4A5568;
    --white: #FFFFFF;
    --radius: 12px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

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

/* Header & Nav */
header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 1.5rem 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-btns {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Hero Section */
.hero {
    padding: 10rem 10% 6rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e2e8f0 100%);
    min-height: 80vh;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 2;
}

.hero-image {
    flex: 1.2;
    display: flex;
    justify-content: flex-end;
    z-index: 1;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    box-shadow: 0 50px 100px rgba(0, 31, 63, 0.15);
    transform: perspective(1000px) rotateY(-5deg);
    transition: var(--transition);
}

.hero-image img:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.02);
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 123, 255, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.8rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--primary);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: var(--transition);
}

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

.cta-button {
    background: var(--primary);
    color: var(--white);
    padding: 0.8rem 1.8rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes slideIn {
    from { transform: translateX(-50px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.fade-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: var(--primary-dark);
    line-height: 1.2;
    margin-bottom: 1.5rem;
    animation: slideIn 0.8s ease-out;
}

.hero-content p {
    animation: slideIn 1s ease-out;
}

/* Button Advanced Styles */
.cta-button {
    background: var(--primary);
    color: var(--white);
    padding: 0.8rem 1.8rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
    z-index: -1;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 31, 63, 0.2);
}

.cta-button.outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.cta-button.outline:hover {
    background: var(--primary);
    color: var(--white);
}

.features {
    padding: 8rem 10%;
    background: var(--white);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    padding: 3rem 2rem;
    background: #f8fafc;
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

/* About Section */
.about {
    padding: 8rem 10%;
    background: linear-gradient(to right, #001F3F, #003366);
    color: var(--white);
}

.about-container {
    display: flex;
    align-items: center;
    gap: 6rem;
}

.about-content {
    flex: 1;
}

.about-content h2 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
}

.about-content p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.startup-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--accent);
    color: var(--primary-dark);
    font-weight: 700;
    border-radius: 4px;
    margin-bottom: 1rem;
}

/* Contact Form */
.contact {
    padding: 6rem 10%;
    background: var(--bg);
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: 4rem;
    border-radius: var(--radius);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-dark);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #E2E8F0;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

/* Footer */
footer {
    padding: 4rem 10%;
    background: var(--primary-dark);
    color: var(--white);
    text-align: center;
}

.footer-content {
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1rem;
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    opacity: 0.7;
    transition: var(--transition);
}

.social-links a:hover {
    opacity: 1;
}

/* Login Page Styles */
.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
    background: radial-gradient(circle at top right, #e2e8f0, #f8f9fa);
}

.login-body.dark {
    background: #091422;
    color: var(--white);
}

.login-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 0.6s ease-out;
}

.glass-card {
    background: rgba(22, 32, 46, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--white);
    box-shadow: 0 0 40px rgba(0, 123, 255, 0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-header .logo {
    justify-content: center;
    margin-bottom: 1rem;
}

.login-header h2 {
    font-size: 1.8rem;
    color: var(--primary-dark);
}

.dark .login-header h2 {
    color: var(--white);
}

.dark .form-group label {
    color: var(--white);
    opacity: 0.9;
}

.dark .form-group input {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.login-footer {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
}

.login-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}