:root {
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --text-dark: #0f172a;
    --text-gray: #64748b;
    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --orange-dot: #ff8c00;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-white);
    color: var(--text-dark);
    line-height: 1.6;
}

/* Typography & Logo */
.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
}
.dot { color: var(--orange-dot); }

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-gray);
    font-weight: 600;
    transition: color 0.3s;
}

.nav-links a:hover { color: var(--accent-blue); }

.nav-actions { display: flex; gap: 1rem; align-items: center; }

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-dark);
}

/* Buttons */
.btn-primary {
    background: var(--accent-blue);
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s, transform 0.2s;
    display: inline-block;
}

.btn-primary:hover {
    background: var(--accent-blue-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background: white;
    color: var(--accent-blue);
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    border: 2px solid var(--accent-blue);
    transition: all 0.3s;
    display: inline-block;
}

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

.btn-text {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 600;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8rem 5% 5rem;
    background-color: var(--bg-light);
    min-height: 100vh;
}

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

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-content h1 span { color: var(--accent-blue); }

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

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

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

.hero-image img {
    max-width: 100%;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Features Section */
.features {
    padding: 6rem 5%;
    background-color: var(--bg-white);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 { font-size: 2.5rem; margin-bottom: 1rem; }
.section-header p { color: var(--text-gray); font-size: 1.1rem; }

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
    border: 1px solid rgba(0,0,0,0.05);
}

.feature-card:hover { transform: translateY(-10px); }

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    margin-bottom: 1.5rem;
}

/* CTA & Footer */
.cta {
    background: var(--bg-light);
    text-align: center;
    padding: 6rem 5%;
}

.cta h2 { font-size: 2.5rem; margin-bottom: 1rem; }
.cta p { color: var(--text-gray); margin-bottom: 2rem; }

footer {
    text-align: center;
    padding: 3rem 5%;
    background: var(--bg-white);
    border-top: 1px solid rgba(0,0,0,0.05);
}

/* Mobile Responsiveness */
@media (max-width: 992px) {
    .hero { flex-direction: column; text-align: center; padding-top: 10rem; }
    .hero-content { margin-bottom: 3rem; }
    .hero-buttons { justify-content: center; }
}

@media (max-width: 768px) {
    .nav-links, .nav-actions { display: none; }
    .mobile-menu-btn { display: block; }
    .hero-content h1 { font-size: 2.5rem; }
    .hero-buttons { flex-direction: column; }
}