:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #818cf8;
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-main);
}

.nav-logo {
    height: 32px;
    width: auto;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

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

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

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-outline {
    border: 1px solid var(--glass-border);
    color: var(--text-main);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
}


.mobile-login-container {
    display: none;
}


.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-main);
    transition: all 0.3s ease;
}

.mobile-menu-btn.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-btn.open span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

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

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

.feature-card {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.2s; }
.feature-card:nth-child(2) { animation-delay: 0.4s; }
.feature-card:nth-child(3) { animation-delay: 0.6s; }
.feature-card:nth-child(4) { animation-delay: 0.8s; }

/* Modules */
section {
    padding: 8rem 0;
}

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

.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 4rem;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 5rem;
}

.hero::after {
    content: '';
    position: absolute;
    top: 20%;
    right: 10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
    z-index: -1;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-img {
    width: 100%;
    max-width: 500px;
    border-radius: 2rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    animation: float 6s ease-in-out infinite;
}

.hero .glass-card {
    position: absolute;
    bottom: -2rem;
    left: -2rem;
    max-width: 250px;
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 1.25rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transition: transform 0.5s ease;
}

.glass-card:hover {
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
}

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

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: 1rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
}

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

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* About & Contact */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.about-img {
    width: 100%;
    border-radius: 2rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.contact-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(99, 102, 241, 0.1) 100%);
    border: 1px solid var(--glass-border);
    padding: 5rem;
    border-radius: 2rem;
    text-align: center;
}

.contact-card h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
}

.contact-form {
    max-width: 500px;
    margin: 3rem auto 0;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 0.5rem;
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.1);
}

.w-full {
    width: 100%;
}

.form-status {
    margin-top: 1rem;
    text-align: center;
    font-size: 0.9rem;
    min-height: 1.2rem;
}

.form-status.success { color: #10b981; }
.form-status.error { color: #ef4444; }

/* Footer */
.footer {
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
}

/* Mobile */
@media (max-width: 968px) {
    .hero .container, .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero h1 { font-size: 3rem; }
    .hero-btns { justify-content: center; }
    .nav-links { display: none; }
    .mobile-menu-btn { display: flex; }
    .nav-actions { display: none; }
    .mobile-login-container { display: block; }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-dark);
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--glass-border);
    }
}