/* --- RESET & BASICS --- */
:root {
    --primary: #2563EB;      /* Tech Blue */
    --primary-hover: #1D4ED8;
    --dark: #0F172A;         /* Slate 900 */
    --gray: #64748B;         /* Slate 500 */
    --light: #F8FAFC;        /* Slate 50 */
    --white: #ffffff;
    --radius: 12px;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--dark);
    background-color: var(--white);
    line-height: 1.6;
}

a { text-decoration: none; color: inherit; transition: 0.2s; }
ul { list-style: none; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- BUTTONS --- */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

/* --- NAVBAR --- */
.navbar {
    padding: 20px 0;
    position: sticky;
    top: 0;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid #e2e8f0;
}

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

.logo { font-weight: 800; font-size: 20px; display: flex; align-items: center; gap: 8px; }
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a:not(.btn) { font-size: 14px; font-weight: 500; color: var(--gray); }
.nav-links a:not(.btn):hover { color: var(--primary); }

/* --- LOGO --- */
.logo-img {
    height: 28px;      /* Restricts height so it fits in navbar */
    width: auto;       /* Maintains aspect ratio */
    display: block;    /* Prevents weird text alignment issues */
    border-radius: 2px;
}

/* --- HERO --- */
.hero {
    padding: 80px 0 60px;
    background: radial-gradient(circle at top right, #eff6ff, #fff);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.badge {
    background-color: #dbeafe;
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 16px;
    display: inline-block;
}

.hero h1 {
    font-size: 48px;
    line-height: 1.1;
    letter-spacing: -1px;
    margin-bottom: 20px;
    color: var(--dark);
}

.subtitle {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 32px;
}

.cta-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
}

.sub-cta { font-size: 12px; color: var(--gray); }

/* Browser Window Graphic */
.browser-window {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    border: 1px solid #e2e8f0;
}

.browser-header {
    background: #f1f5f9;
    padding: 10px 15px;
    display: flex;
    gap: 6px;
    border-bottom: 1px solid #e2e8f0;
}

.dot { width: 10px; height: 10px; border-radius: 50%; }
.red { background: #ef4444; } .yellow { background: #f59e0b; } .green { background: #22c55e; }

.app-preview { width: 100%; display: block; }

/* --- SECTIONS --- */
section { padding: 80px 0; }

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header h2 { font-size: 36px; margin-bottom: 10px; }
.section-header p { color: var(--gray); font-size: 18px; }

/* --- FEATURES GRID --- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius);
    border: 1px solid #e2e8f0;
    transition: 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.icon { font-size: 32px; margin-bottom: 20px; }
.feature-card h3 { margin-bottom: 10px; font-size: 18px; }
.feature-card p { color: var(--gray); font-size: 15px; }

/* --- STEPS --- */
.steps { background-color: #FAFAFA; }
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: center;
}

.step-number {
    font-size: 60px;
    font-weight: 900;
    color: #e2e8f0;
    line-height: 1;
    margin-bottom: -20px;
    position: relative;
    z-index: 0;
}

.step h3 { position: relative; z-index: 1; margin-bottom: 10px; }
.step p { color: var(--gray); }

/* --- FOOTER --- */
footer {
    padding: 40px 0;
    border-top: 1px solid #e2e8f0;
    font-size: 14px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.footer-right { display: flex; gap: 20px; }
.footer-right a { color: var(--gray); }
.footer-right a:hover { color: var(--dark); }

.copyright {
    text-align: center;
    color: #94a3b8;
    font-size: 12px;
}

/* --- MOBILE --- */
@media (max-width: 768px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero h1 { font-size: 36px; }
    .cta-group { align-items: center; }
    .nav-links { display: none; } /* Hide nav links on mobile for simplicity */
    .steps-grid { grid-template-columns: 1fr; }
}