:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary: #0f172a;
    --accent: #38bdf8;
    --background: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 12px;
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, .logo span {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 20px 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 12px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

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

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

.logo img {
    height: 36px;
    width: 36px;
    object-fit: contain;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.navbar.scrolled .logo img {
    box-shadow: var(--shadow-sm);
    background: white;
    padding: 2px;
}

.logo span {
    font-size: 1.5rem;
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    color: white;
}

.navbar.scrolled .nav-links a {
    color: var(--text);
}

.navbar.scrolled .nav-links a:hover {
    color: var(--primary);
}

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

.navbar .logo span {
    color: white;
    transition: color 0.3s ease;
}

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

.navbar.scrolled .mobile-menu-btn {
    color: var(--text);
}

.navbar .mobile-menu-btn {
    color: white;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.3s ease;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 160px 0 100px;
    background: var(--secondary);
    color: white;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('assets/hero-bg.png') center/cover no-repeat;
    opacity: 0.3;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.6) 100%);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-text .badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(37, 99, 235, 0.2);
    border: 1px solid rgba(37, 99, 235, 0.4);
    color: var(--accent);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-text h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-text h1 span {
    color: var(--primary);
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--slate-200);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-btns {
    display: flex;
    gap: 16px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

.btn-secondary {
    background: var(--primary);
    color: white;
    padding: 10px 24px;
}

.navbar:not(.scrolled) .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
}

.navbar:not(.scrolled) .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-dashboard-wrapper {
    position: relative;
    width: 100%;
    max-width: 600px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: float 6s ease-in-out infinite;
}

.hero-dashboard-img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    display: block;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
}

.card-header {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.skeleton-line {
    height: 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    margin-bottom: 16px;
}

.skeleton-line.title { width: 60%; height: 20px; margin-bottom: 32px; background: rgba(255, 255, 255, 0.2); }
.skeleton-line.half { width: 40%; }

.skeleton-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.skeleton-item {
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--slate-50);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--slate-100);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.icon-wrapper {
    width: 56px;
    height: 56px;
    background: var(--slate-100);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--primary);
}

.feature-card h3 {
    margin-bottom: 16px;
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--text-light);
}

/* About Section */
.about {
    padding: 100px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 32px;
}

.check-list {
    list-style: none;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-weight: 500;
}

.check-list i {
    color: #22c55e;
}

/* CTA Section */
.cta {
    padding: 100px 0;
}

.cta-card {
    background: var(--secondary);
    padding: 80px 40px;
    border-radius: 32px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: var(--primary);
    filter: blur(150px);
    opacity: 0.2;
    z-index: 0;
}

.cta-card h2 {
    font-size: 3rem;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.cta-card p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    color: var(--slate-200);
    position: relative;
    z-index: 1;
}

.contact-form {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.contact-form input {
    flex: 1;
    padding: 16px 20px;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-size: 1rem;
}

.contact-form input:focus {
    outline: none;
    border-color: var(--primary);
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    background: var(--slate-50);
    border-top: 1px solid var(--slate-200);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo img {
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    background: white;
    padding: 2px;
}

.footer-brand p {
    margin-top: 24px;
    color: var(--text-light);
    max-width: 250px;
    font-size: 0.95rem;
}

.footer-links h4 {
    margin-bottom: 24px;
    font-size: 1.1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-light);
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--slate-200);
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-text h1 { font-size: 3rem; }
    .hero .container { grid-template-columns: 1fr; text-align: center; }
    .hero-text p { margin-left: auto; margin-right: auto; }
    .hero-btns { justify-content: center; }
    .about-content { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 40px;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn { display: block; }
    
    .footer-grid { grid-template-columns: 1fr 1.2fr; gap: 40px; }
    .cta-card h2 { font-size: 2rem; }
    .contact-form { flex-direction: column; }
}