@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --green: #1A9E4C;
    --green-dark: #157A3C;
    --green-bg: #F0FAF4;
    --dark: #0D1926;
    --navy: #1A2744;
    --text: #111827;
    --muted: #6B7280;
    --border: #E5E7EB;
    --bg-alt: #F9FAFB;
    --white: #FFFFFF;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.07), 0 4px 12px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.10);
    --radius: 8px;
}

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

html { font-size: 16px; }

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; color: var(--text); }
p { color: var(--muted); }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 1.5rem; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.625rem 1.375rem; border-radius: 6px;
    font-family: var(--font); font-size: 0.9375rem; font-weight: 600;
    border: 2px solid transparent; cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--green); color: var(--white); border-color: var(--green); }
.btn-primary:hover { background: var(--green-dark); border-color: var(--green-dark); }
.btn-ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.6); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--muted); }
.btn-lg { padding: 0.75rem 1.75rem; font-size: 1rem; }

/* Header */
header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100;
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 66px; }

.logo { display: flex; align-items: center; gap: 0.625rem; font-size: 1.0625rem; font-weight: 700; color: var(--text); }
.logo img { height: 1.875rem; width: 1.875rem; border-radius: 50%; }
.logo-dot { color: var(--green); }

.nav-links { display: flex; align-items: center; gap: 0.25rem; }
.nav-links a {
    font-size: 0.9375rem; font-weight: 500; color: var(--muted);
    padding: 0.4rem 0.75rem; border-radius: 6px;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--bg-alt); }

.nav-right { display: flex; align-items: center; gap: 0.75rem; }
.nav-login { font-size: 0.9375rem; font-weight: 500; color: var(--muted); }
.nav-login:hover { color: var(--text); }

.nav-toggle { display: none; background: none; border: none; font-size: 1.375rem; cursor: pointer; color: var(--text); }

/* Sections */
section { padding: 5rem 0; }

.label {
    display: inline-block; font-size: 0.75rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--green); margin-bottom: 0.75rem;
}
.section-title { font-size: 2.125rem; font-weight: 800; margin-bottom: 1rem; color: var(--text); }
.section-sub { font-size: 1.0625rem; color: var(--muted); max-width: 580px; line-height: 1.7; }

/* Hero */
.hero { background: var(--dark); padding: 5.5rem 0 4.5rem; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }

.hero-eyebrow {
    display: inline-block; font-size: 0.8125rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.08em;
    color: var(--green); background: rgba(26,158,76,0.15);
    padding: 0.3rem 0.75rem; border-radius: 4px; margin-bottom: 1.375rem;
}
.hero h1 { font-size: 2.75rem; font-weight: 800; color: var(--white); margin-bottom: 1.125rem; line-height: 1.15; }
.hero-sub { font-size: 1.0625rem; color: rgba(255,255,255,0.65); margin-bottom: 2rem; max-width: 460px; line-height: 1.7; }
.hero-sub p { color: rgba(255,255,255,0.65); }
.hero-btns { display: flex; gap: 0.875rem; flex-wrap: wrap; }

.hero-card {
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius); padding: 1.75rem;
}
.hero-card-label {
    font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.08em; color: rgba(255,255,255,0.4); margin-bottom: 1.25rem;
}
.chat-msg {
    padding: 0.75rem 1rem; border-radius: 0 10px 10px 10px;
    font-size: 0.9375rem; margin-bottom: 0.875rem;
}
.chat-out { background: var(--green); color: var(--white); border-radius: 10px 0 10px 10px; }
.chat-in { background: rgba(255,255,255,0.09); color: rgba(255,255,255,0.9); font-size: 0.875rem; line-height: 1.6; }
.chat-in p { color: rgba(255,255,255,0.85); }
.chat-in .meta { font-size: 0.75rem; color: rgba(255,255,255,0.4); margin-top: 0.5rem; }

/* Stats strip */
.stats-strip { background: var(--green); padding: 1.375rem 0; }
.stats-inner { display: flex; justify-content: space-around; align-items: center; flex-wrap: wrap; gap: 1rem; }
.stat strong { display: block; font-size: 1.625rem; font-weight: 800; color: var(--white); }
.stat span { font-size: 0.875rem; color: rgba(255,255,255,0.8); }

/* How it works */
.steps-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; margin-top: 3rem; }
.step { padding: 2rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--white); }
.step-n {
    width: 2rem; height: 2rem; background: var(--green); color: var(--white);
    font-size: 0.875rem; font-weight: 700; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; margin-bottom: 1rem;
}
.step h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 0.5rem; }
.step p { font-size: 0.9375rem; }

/* Use cases */
.alt-bg { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 1.25rem; margin-top: 3rem; }
.card {
    background: var(--white); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.75rem;
    box-shadow: var(--shadow-sm);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-icon { font-size: 1.375rem; color: var(--green); margin-bottom: 0.875rem; }
.card h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 0.4rem; }
.card p { font-size: 0.9375rem; }

/* Testimonials */
.testimonial { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.75rem; box-shadow: var(--shadow-sm); }
.testimonial blockquote { font-size: 0.9375rem; color: var(--text); font-style: italic; margin-bottom: 1.25rem; line-height: 1.7; }
.testimonial .author { font-size: 0.875rem; font-weight: 600; color: var(--text); }
.testimonial .author span { font-weight: 400; color: var(--muted); }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--border); padding: 1.25rem 0; }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-item h4 { font-size: 0.9375rem; font-weight: 600; color: var(--text); margin-bottom: 0.4rem; }
.faq-item p { font-size: 0.9375rem; }

/* CTA */
.cta-band { background: var(--dark); padding: 4.5rem 0; text-align: center; }
.cta-band h2 { font-size: 2rem; font-weight: 800; color: var(--white); margin-bottom: 0.875rem; }
.cta-band p { font-size: 1.0625rem; color: rgba(255,255,255,0.65); margin-bottom: 2rem; }
.cta-band p p { color: rgba(255,255,255,0.65); }
.btn-group { display: flex; gap: 0.875rem; justify-content: center; flex-wrap: wrap; }

/* Page hero */
.page-hero { background: var(--dark); padding: 3.5rem 0; border-bottom: 3px solid var(--green); }
.page-hero .label { color: rgba(255,255,255,0.5); }
.page-hero h1 { font-size: 2rem; font-weight: 800; color: var(--white); margin-bottom: 0.75rem; }
.page-hero p { font-size: 1.0625rem; color: rgba(255,255,255,0.65); max-width: 560px; }
.page-hero p p { color: rgba(255,255,255,0.65); }

/* Features page */
.feat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr)); gap: 1.25rem; margin-top: 3rem; }
.feat-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.75rem; box-shadow: var(--shadow-sm); }
.feat-card:hover { box-shadow: var(--shadow-md); }
.feat-icon { font-size: 1.375rem; color: var(--green); margin-bottom: 0.875rem; }
.feat-card h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 0.4rem; }
.feat-card p { font-size: 0.9375rem; }

/* Pricing page */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 1.5rem; margin-top: 3rem; }
.price-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; }
.price-card.featured { border: 2px solid var(--green); }
.badge { display: inline-block; background: var(--green); color: var(--white); font-size: 0.75rem; font-weight: 700; padding: 0.2rem 0.6rem; border-radius: 4px; margin-bottom: 0.75rem; }
.plan-name { font-size: 0.8125rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 0.5rem; }
.plan-price { font-size: 2rem; font-weight: 800; color: var(--text); margin-bottom: 0.25rem; }
.plan-price span { font-size: 1rem; font-weight: 400; color: var(--muted); }
.plan-desc { font-size: 0.9375rem; color: var(--muted); padding-bottom: 1.25rem; border-bottom: 1px solid var(--border); margin-bottom: 1.25rem; }
.price-features { margin-bottom: 1.75rem; }
.price-features li { font-size: 0.9375rem; color: var(--text); padding: 0.35rem 0; display: flex; gap: 0.5rem; align-items: flex-start; }
.price-features li::before { content: '✓'; color: var(--green); font-weight: 700; flex-shrink: 0; }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 420px; gap: 4rem; align-items: start; }
.about-content h2 { font-size: 1.625rem; margin-bottom: 1rem; }
.about-content p { font-size: 0.9375rem; margin-bottom: 0.875rem; }
.values { border-top: 1px solid var(--border); margin-top: 2rem; }
.val { display: flex; gap: 0.875rem; padding: 1rem 0; border-bottom: 1px solid var(--border); }
.val-icon { color: var(--green); font-size: 1rem; flex-shrink: 0; margin-top: 0.15rem; }
.val h4 { font-size: 0.9375rem; font-weight: 600; margin-bottom: 0.25rem; }
.val p { font-size: 0.875rem; }
.about-box { background: var(--dark); border-radius: var(--radius); padding: 2rem; color: var(--white); }
.about-box h3 { color: var(--white); font-size: 1rem; margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid rgba(255,255,255,0.12); }
.a-stat { margin-bottom: 1.5rem; }
.a-stat strong { display: block; font-size: 1.875rem; font-weight: 800; color: var(--green); }
.a-stat span { font-size: 0.875rem; color: rgba(255,255,255,0.6); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 4rem; align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: 1.125rem; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group label { font-size: 0.875rem; font-weight: 600; color: var(--text); }
.form-group input, .form-group textarea, .form-group select {
    padding: 0.625rem 0.875rem; border: 1px solid var(--border);
    border-radius: 6px; font-family: var(--font); font-size: 0.9375rem;
    color: var(--text); background: var(--white); outline: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--green); }
.form-group textarea { resize: vertical; min-height: 130px; }
.contact-box { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; }
.contact-box h3 { font-size: 1.0625rem; font-weight: 700; color: var(--text); margin-bottom: 1.5rem; }
.c-item { display: flex; gap: 0.875rem; align-items: flex-start; margin-bottom: 1.25rem; }
.c-item .ci { color: var(--green); font-size: 1rem; flex-shrink: 0; margin-top: 0.1rem; }
.c-item h4 { font-size: 0.875rem; font-weight: 600; color: var(--text); margin-bottom: 0.15rem; }
.c-item p { font-size: 0.875rem; }
.c-item a { color: var(--green); font-size: 0.875rem; }

/* Footer */
footer { background: var(--dark); padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand .logo { margin-bottom: 0.875rem; }
.footer-brand .logo, .footer-brand .logo-dot { color: var(--white); }
.footer-brand .logo-dot { color: var(--green); }
.footer-brand p { font-size: 0.875rem; color: rgba(255,255,255,0.5); line-height: 1.7; }
.footer-brand p p { color: rgba(255,255,255,0.5); }
.footer-col h4 { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255,255,255,0.4); margin-bottom: 1rem; }
.footer-col li { margin-bottom: 0.6rem; }
.footer-col a { font-size: 0.875rem; color: rgba(255,255,255,0.65); }
.footer-col a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1.5rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-bottom p { font-size: 0.875rem; color: rgba(255,255,255,0.4); }
.footer-bottom p p { color: rgba(255,255,255,0.4); }
.footer-bottom a { font-size: 0.875rem; color: rgba(255,255,255,0.4); margin-left: 1.5rem; }
.footer-bottom a:hover { color: rgba(255,255,255,0.9); }

/* Problem Section */
.problem-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 3rem; }
.problem-card { background: var(--bg-alt); padding: 2rem; border-radius: var(--radius); border: 1px solid var(--border); text-align: center; }
.problem-card i { font-size: 2rem; color: var(--muted); margin-bottom: 1rem; }
.problem-card h3 { font-size: 1.125rem; font-weight: 700; color: var(--text); margin-bottom: 0.5rem; }
.problem-card p { font-size: 0.9375rem; color: var(--muted); }
.problem-end { text-align: center; margin-top: 3rem; font-size: 1.5rem; font-weight: 700; color: var(--text); }

/* Core Promise */
.promise-section { text-align: center; padding: 6rem 0; }
.promise-text { font-size: 2.5rem; font-weight: 800; max-width: 800px; margin: 0 auto; line-height: 1.3; color: var(--text); }
.promise-sub { font-size: 1.25rem; color: var(--muted); margin-top: 1.5rem; }

/* Target Users */
.user-types { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; margin-top: 3rem; }
.user-card { padding: 1.5rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--white); }
.user-card i { color: var(--green); font-size: 1.5rem; margin-bottom: 1rem; }
.user-card h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 0.5rem; }

/* Value Snapshot */
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; margin-top: 2rem; }
.value-item { display: flex; align-items: flex-start; gap: 1rem; }
.value-item i { color: var(--green); font-size: 1.25rem; margin-top: 0.25rem; }
.value-item h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 0.25rem; }
.value-item p { font-size: 0.9375rem; color: var(--muted); }

/* Dashboard Preview UI Mockup */
.dashboard-mock { background: var(--white); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow-md); overflow: hidden; max-width: 800px; margin: 4rem auto 0; }
.dash-header { background: var(--bg-alt); padding: 1rem 1.5rem; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.dash-title { font-weight: 700; color: var(--text); }
.dash-body { padding: 2rem; }
.dash-stats { display: flex; gap: 2rem; margin-bottom: 2rem; }
.dash-stat-box { flex: 1; padding: 1.5rem; background: var(--bg-alt); border-radius: 8px; border: 1px solid var(--border); }
.dash-stat-box p { font-size: 0.875rem; color: var(--muted); margin-bottom: 0.5rem; font-weight: 600; text-transform: uppercase; }
.dash-stat-box h4 { font-size: 1.75rem; font-weight: 800; color: var(--text); }
.dash-row { display: flex; justify-content: space-between; padding: 1rem 0; border-bottom: 1px solid var(--border); }
.dash-row:last-child { border-bottom: none; }
.dash-row-left { font-weight: 600; color: var(--text); }
.dash-row-right { color: var(--muted); }

/* Before / After */
.before-after { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 3rem; }
.ba-col { padding: 2rem; border-radius: var(--radius); }
.ba-before { background: #FEF2F2; border: 1px solid #FECACA; }
.ba-after { background: var(--green-bg); border: 1px solid #A7F3D0; }
.ba-col h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 1.5rem; display: flex; align-items: center; gap: 0.5rem; }
.ba-before h3 { color: #991B1B; }
.ba-after h3 { color: var(--green-dark); }
.ba-col ul li { margin-bottom: 1rem; display: flex; gap: 0.75rem; align-items: flex-start; }
.ba-before ul li i { color: #DC2626; margin-top: 0.25rem; }
.ba-after ul li i { color: var(--green); margin-top: 0.25rem; }

/* FAQ Accordion */
.faq-accordion .faq-item { cursor: pointer; }
.faq-item-header { display: flex; justify-content: space-between; align-items: center; padding: 1.25rem 0; }
.faq-item h4 { font-size: 1.0625rem; font-weight: 600; color: var(--text); margin: 0; }
.faq-item i { color: var(--muted); transition: transform 0.2s; }
.faq-item p { font-size: 0.9375rem; max-height: 0; overflow: hidden; transition: max-height 0.2s ease-out, padding-bottom 0.2s; padding-bottom: 0; margin: 0; }
.faq-item.active p { max-height: 200px; padding-bottom: 1.25rem; }
.faq-item.active i { transform: rotate(180deg); }

/* Trust Strip */
.trust-strip { text-align: center; padding: 2rem 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-alt); }
.trust-strip p { font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.875rem; }

/* Alert */
.alert-success { background: var(--green-bg); border: 1px solid var(--green); border-radius: 6px; padding: 1rem 1.25rem; margin-bottom: 1.5rem; font-size: 0.9375rem; color: var(--green-dark); font-weight: 500; }

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.25rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .nav-links {
        display: none; flex-direction: column; position: absolute;
        top: 66px; left: 0; width: 100%; background: var(--white);
        border-bottom: 1px solid var(--border);
        padding: 1rem 1.5rem; gap: 0.25rem; z-index: 99;
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--bg-alt); font-size: 1rem; }
    .nav-toggle { display: block; }
    .nav-right .btn { display: none; }
}

@media (max-width: 768px) {
    section { padding: 3.5rem 0; }
    .section-title { font-size: 1.75rem; }
    .steps-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .stats-inner { gap: 1.5rem; }
    .hero h1 { font-size: 1.875rem; }
}

@media (max-width: 480px) {
    .hero-btns, .btn-group { flex-direction: column; align-items: flex-start; }
    .btn-group { align-items: center; }
}