:root {
    --bg: #fafafa;
    --surface: #ffffff;
    --text: #0f172a;
    --text-muted: #64748b;
    --accent: #4f46e5;
    --accent-soft: #eef2ff;
    --accent-hover: #4338ca;
    --border: #e2e8f0;
    --shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
    --radius: 16px;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
}

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

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

.container {
    width: min(1120px, 92vw);
    margin: 0 auto;
}

a { color: inherit; text-decoration: none; }

code {
    font-size: 0.85em;
    background: var(--accent-soft);
    color: var(--accent);
    padding: 0.1em 0.4em;
    border-radius: 4px;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250, 250, 250, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 500;
}

.brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), #818cf8);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

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

.nav a:not(.btn) {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.nav a:not(.btn):hover { color: var(--text); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 1.1rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid transparent;
    transition: background 0.15s, border-color 0.15s, transform 0.15s;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-ghost {
    background: var(--surface);
    border-color: var(--border);
    color: var(--text);
}

.btn-lg { padding: 0.85rem 1.5rem; font-size: 1rem; }

/* Hero */
.hero {
    padding: 4.5rem 0 3rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}

.eyebrow {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.75rem;
}

.hero h1 {
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.accent { color: var(--accent); }

.lead {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 34rem;
    margin-bottom: 1.75rem;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.social-proof {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.hero-visual {
    position: relative;
    min-height: 320px;
}

.mock-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.25rem;
}

.mock-card-1 {
    position: absolute;
    top: 0;
    left: 0;
    right: 15%;
}

.mock-card-2 {
    position: absolute;
    bottom: 0;
    right: 0;
    left: 20%;
}

.mock-bar {
    height: 8px;
    width: 40%;
    background: var(--accent-soft);
    border-radius: 4px;
    margin-bottom: 1rem;
}

.mock-line {
    height: 10px;
    background: #f1f5f9;
    border-radius: 4px;
    margin-bottom: 0.6rem;
}

.mock-line.w80 { width: 80%; }
.mock-line.w60 { width: 60%; }
.mock-line.w70 { width: 70%; }
.mock-line.w90 { width: 90%; }

.mock-block {
    height: 80px;
    background: linear-gradient(135deg, var(--accent-soft), #f8fafc);
    border-radius: 10px;
    margin-top: 0.5rem;
}

.mock-pill {
    width: 80px;
    height: 24px;
    background: var(--accent);
    border-radius: 999px;
    opacity: 0.85;
    margin-bottom: 1rem;
}

/* Sections */
.section-title {
    text-align: center;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 2.5rem;
    letter-spacing: -0.02em;
}

.section-title.align-left { text-align: left; }

.problem-solution { padding: 4rem 0; }

.cards-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.card-highlight {
    border-color: #c7d2fe;
    background: linear-gradient(180deg, #fff, var(--accent-soft));
}

.card-icon { font-size: 1.5rem; margin-bottom: 0.75rem; }

.card h3 { margin-bottom: 0.5rem; font-size: 1.1rem; }

.card p { color: var(--text-muted); font-size: 0.95rem; }

.steps {
    padding: 4rem 0;
    background: var(--surface);
    border-block: 1px solid var(--border);
}

.steps-list {
    list-style: none;
    display: grid;
    gap: 1.5rem;
    max-width: 640px;
    margin: 0 auto;
}

.steps-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.step-num {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.steps-list h3 { margin-bottom: 0.25rem; }

.steps-list p { color: var(--text-muted); font-size: 0.95rem; }

.features { padding: 4rem 0; }

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.feature-list {
    list-style: none;
    display: grid;
    gap: 0.85rem;
    margin-top: 1rem;
}

.feature-list li {
    padding-left: 1.25rem;
    position: relative;
    color: var(--text-muted);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.feature-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    box-shadow: var(--shadow);
}

.feature-panel h3 { margin-bottom: 0.75rem; }

.feature-panel p { color: var(--text-muted); }

.cta-final {
    padding: 4.5rem 0;
    background: linear-gradient(180deg, var(--accent-soft), var(--bg));
}

.cta-final-inner {
    text-align: center;
}

.cta-final h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 0.75rem;
}

.cta-final p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.footer {
    padding: 1.5rem 0;
    border-top: 1px solid var(--border);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

@media (max-width: 900px) {
    .hero-grid,
    .cards-3,
    .features-grid {
        grid-template-columns: 1fr;
    }

    .hero-visual { min-height: 240px; margin-top: 1rem; }

    .nav a:not(.btn) { display: none; }
}
