/* ===== Penna — light premium SaaS ===== */
:root {
  --bg: #fafbff;
  --surface: #ffffff;
  --ink: #0f1222;
  --muted: #5a6072;
  --faint: #97a0b4;
  --line: #eceef5;
  --line-2: #e3e6f0;
  --b1: #5b5bf5;   /* brand indigo */
  --b2: #9d5cff;   /* brand violet */
  --accent: #ff6b5e; /* coral */
  --ok: #10b981;
  --warn: #f59e0b;
  --grad: linear-gradient(120deg, #5b5bf5, #9d5cff);
  --radius: 22px;
  --radius-sm: 14px;
  --shadow: 0 18px 48px -22px rgba(30, 30, 80, 0.28);
  --shadow-sm: 0 8px 24px -14px rgba(30, 30, 80, 0.22);
  --maxw: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, .logo-text { font-family: "Plus Jakarta Sans", "Inter", sans-serif; line-height: 1.1; letter-spacing: -0.02em; }
a { color: inherit; text-decoration: none; }
svg { display: block; }

.grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ===== Header ===== */
.site-header { position: sticky; top: 0; z-index: 100; }
.header-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
}
.site-header.scrolled .header-inner {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line); border-radius: 0 0 18px 18px;
  box-shadow: var(--shadow-sm);
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark { display: block; border-radius: 9px; box-shadow: var(--shadow-sm); }
.logo-text { font-weight: 800; font-size: 21px; }

.nav { display: flex; align-items: center; gap: 8px; }
.nav > a:not(.nav-cta):not(.nav-x) { color: var(--muted); font-weight: 500; font-size: 15px; padding: 8px 12px; border-radius: 10px; transition: color 0.18s, background 0.18s; }
.nav > a:not(.nav-cta):not(.nav-x):hover { color: var(--ink); background: var(--line); }
.nav-x { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; font-weight: 600; color: var(--ink); padding: 8px 13px; border: 1px solid var(--line-2); border-radius: 999px; transition: border-color 0.18s, transform 0.18s; }
.nav-x:hover { border-color: var(--b1); transform: translateY(-1px); }
.nav-cta { background: var(--grad); color: #fff; font-weight: 600; font-size: 15px; padding: 10px 18px; border-radius: 999px; box-shadow: var(--shadow-sm); transition: transform 0.18s, box-shadow 0.18s; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(91,91,245,0.6); }

.burger { display: none; flex-direction: column; gap: 5px; background: var(--surface); border: 1px solid var(--line-2); border-radius: 11px; padding: 10px; cursor: pointer; }
.burger span { width: 20px; height: 2px; background: var(--ink); transition: 0.3s; }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 26px; border-radius: 999px; font-family: "Plus Jakarta Sans", sans-serif; font-weight: 600; font-size: 15px; cursor: pointer; border: 1px solid transparent; transition: transform 0.18s, box-shadow 0.18s, background 0.18s; }
.btn-block { width: 100%; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 14px 32px -14px rgba(91,91,245,0.6); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 38px -14px rgba(91,91,245,0.7); }
.btn-ghost { background: var(--surface); border-color: var(--line-2); color: var(--ink); }
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--b1); }

.pill { display: inline-block; padding: 7px 15px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line-2); font-size: 13px; font-weight: 500; color: var(--muted); margin-bottom: 22px; box-shadow: var(--shadow-sm); }
.eyebrow { display: inline-block; color: var(--b1); font-weight: 700; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; }

/* ===== Hero ===== */
.hero { max-width: var(--maxw); margin: 0 auto; padding: 56px 24px 60px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.hero-title { font-size: clamp(40px, 6vw, 68px); font-weight: 800; }
.hero-sub { font-size: 18px; color: var(--muted); max-width: 480px; margin: 22px 0 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { font-size: 13px; color: var(--faint); margin-top: 18px; }

/* ===== App mockup ===== */
.mock { background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.mock-bar { display: flex; align-items: center; gap: 7px; padding: 13px 16px; border-bottom: 1px solid var(--line); }
.md { width: 11px; height: 11px; border-radius: 50%; background: var(--line-2); }
.md:nth-child(1) { background: #ff6b5e; } .md:nth-child(2) { background: #f5c451; } .md:nth-child(3) { background: #34d399; }
.mock-url { margin-left: 10px; font-size: 12px; color: var(--faint); background: var(--bg); padding: 4px 12px; border-radius: 999px; }
.mock-body { display: grid; grid-template-columns: 150px 1fr; min-height: 320px; }
.mock-side { background: var(--bg); border-right: 1px solid var(--line); padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }
.ms-logo { width: 26px; height: 26px; border-radius: 7px; background: var(--grad); margin-bottom: 12px; }
.ms-item { font-size: 13px; color: var(--muted); padding: 9px 11px; border-radius: 9px; font-weight: 500; }
.ms-item.active { background: var(--surface); color: var(--ink); font-weight: 600; box-shadow: var(--shadow-sm); }
.mock-main { padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.mock-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; }
.mock-head strong { font-family: "Plus Jakarta Sans"; font-size: 17px; }
.mock-add { font-size: 12px; font-weight: 600; color: var(--b1); background: rgba(91,91,245,0.1); padding: 5px 12px; border-radius: 999px; }
.proj { display: flex; align-items: center; justify-content: space-between; padding: 13px 15px; border: 1px solid var(--line); border-radius: var(--radius-sm); font-size: 14px; font-weight: 500; }
.tag { font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 999px; }
.tag.ok { color: #047857; background: rgba(16,185,129,0.14); }
.tag.warn { color: #b45309; background: rgba(245,158,11,0.16); }
.invoice { margin-top: 6px; display: flex; align-items: center; justify-content: space-between; padding: 15px; border-radius: var(--radius-sm); background: linear-gradient(120deg, rgba(91,91,245,0.1), rgba(157,92,255,0.08)); border: 1px solid rgba(91,91,245,0.18); }
.inv-label { display: block; font-weight: 600; font-size: 14px; }
.inv-sub { font-size: 12px; color: var(--muted); }
.invoice strong { font-family: "Plus Jakarta Sans"; font-size: 22px; }

/* ===== Trust ===== */
.trust { max-width: var(--maxw); margin: 10px auto 50px; padding: 0 24px; text-align: center; }
.trust p { color: var(--faint); font-size: 14px; margin-bottom: 20px; }
.trust-row { display: flex; justify-content: center; flex-wrap: wrap; gap: 38px; }
.trust-row span { font-family: "Plus Jakarta Sans"; font-weight: 700; font-size: 19px; color: #c2c8d6; transition: color 0.2s; }
.trust-row span:hover { color: var(--ink); }

/* ===== Sections ===== */
.section { max-width: var(--maxw); margin: 0 auto; padding: 72px 24px; }
.section-head { text-align: center; max-width: 600px; margin: 0 auto 48px; }
.section-head h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; margin: 12px 0 12px; }
.section-head p { color: var(--muted); font-size: 17px; }

/* ===== Features ===== */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 26px; transition: transform 0.22s, box-shadow 0.22s, border-color 0.22s; }
.feat:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--line-2); }
.feat-ic { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 13px; background: linear-gradient(120deg, rgba(91,91,245,0.12), rgba(157,92,255,0.12)); color: var(--b1); font-size: 22px; font-weight: 700; margin-bottom: 16px; }
.feat h3 { font-size: 20px; margin-bottom: 9px; }
.feat p { color: var(--muted); font-size: 15px; }

/* ===== How it works ===== */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; position: relative; }
.step-no { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: var(--grad); color: #fff; font-family: "Plus Jakarta Sans"; font-weight: 800; font-size: 17px; margin-bottom: 16px; }
.step h3 { font-size: 19px; margin-bottom: 9px; }
.step p { color: var(--muted); font-size: 15px; }

/* ===== Testimonial ===== */
.quote { max-width: 820px; margin: 0 auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 44px; box-shadow: var(--shadow-sm); text-align: center; }
.quote blockquote { font-family: "Plus Jakarta Sans"; font-size: clamp(20px, 3vw, 28px); font-weight: 600; line-height: 1.35; letter-spacing: -0.01em; }
.quote figcaption { display: flex; align-items: center; justify-content: center; gap: 13px; margin-top: 26px; font-size: 14px; color: var(--muted); text-align: left; }
.q-avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--grad); color: #fff; display: grid; place-items: center; font-family: "Plus Jakarta Sans"; font-weight: 800; }
.quote figcaption strong { color: var(--ink); }

/* ===== Pricing ===== */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: start; }
.price { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 28px; position: relative; }
.price.featured { border: 2px solid transparent; background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--grad) border-box; box-shadow: var(--shadow); }
.price-badge { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--grad); color: #fff; font-size: 12px; font-weight: 600; padding: 5px 14px; border-radius: 999px; }
.price h3 { font-size: 20px; margin-bottom: 10px; }
.price-amt { font-family: "Plus Jakarta Sans"; font-size: 42px; font-weight: 800; }
.price-amt span { font-family: "Inter"; font-size: 14px; font-weight: 500; color: var(--muted); }
.price-sub { color: var(--muted); font-size: 14px; margin: 8px 0 20px; }
.price ul { list-style: none; display: grid; gap: 11px; margin-bottom: 24px; }
.price li { padding-left: 28px; position: relative; font-size: 15px; }
.price li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; background: rgba(16,185,129,0.15); color: var(--ok); border-radius: 50%; display: grid; place-items: center; font-size: 11px; font-weight: 700; }

/* ===== About ===== */
.about { display: grid; grid-template-columns: 1.3fr 1fr; gap: 44px; align-items: center; }
.about-text h2 { font-size: clamp(26px, 3.6vw, 38px); font-weight: 800; margin: 12px 0 16px; }
.about-text p { color: var(--muted); font-size: 16px; margin-bottom: 14px; }
.about-text .mission { font-size: 18px; color: var(--ink); border-left: 4px solid var(--b1); padding-left: 16px; }
.about-text strong { color: var(--ink); }
.checklist { list-style: none; display: grid; gap: 11px; margin-top: 20px; }
.checklist li { padding-left: 30px; position: relative; font-weight: 500; font-size: 15px; }
.checklist li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 21px; height: 21px; background: var(--grad); color: #fff; border-radius: 50%; display: grid; place-items: center; font-size: 11px; font-weight: 700; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.about-stats div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 22px; text-align: center; }
.about-stats strong { display: block; font-family: "Plus Jakarta Sans"; font-size: 30px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.about-stats span { font-size: 13px; color: var(--muted); }

/* ===== Contact ===== */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; }
.contact-info { padding: 40px; }
.contact-info h2 { font-size: clamp(26px, 3.6vw, 38px); font-weight: 800; margin: 12px 0 12px; }
.contact-info > p { color: var(--muted); margin-bottom: 26px; }
.contact-list { list-style: none; display: grid; gap: 16px; margin-bottom: 24px; }
.contact-list li { display: grid; gap: 3px; }
.ci-label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--b1); font-weight: 700; }
.contact-list a:hover { color: var(--b1); }
.socials { display: flex; gap: 12px; flex-wrap: wrap; }
.socials a { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; padding: 9px 15px; border: 1px solid var(--line-2); border-radius: 999px; transition: transform 0.18s, border-color 0.18s; }
.socials a:hover { transform: translateY(-2px); border-color: var(--b1); }
.contact-form { padding: 40px; background: var(--bg); border-left: 1px solid var(--line); display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 14px; font-weight: 600; color: var(--muted); }
.field input, .field textarea, .field select { background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--radius-sm); padding: 12px 14px; color: var(--ink); font-family: inherit; font-size: 15px; resize: vertical; transition: border-color 0.18s, box-shadow 0.18s; }
.field select { appearance: none; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--b1); box-shadow: 0 0 0 3px rgba(91,91,245,0.14); }
.field input.invalid, .field textarea.invalid { border-color: var(--accent); }
.form-note { font-size: 12px; color: var(--faint); text-align: center; }
.form-note a { color: var(--b1); }
.form-success { color: var(--ok); font-weight: 600; text-align: center; }

/* ===== Footer ===== */
.site-footer { border-top: 1px solid var(--line); margin-top: 30px; background: var(--surface); }
.footer-top { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: 1.8fr 1fr 1.2fr 1.2fr; gap: 32px; padding: 52px 24px 34px; }
.footer-brand p { color: var(--muted); font-size: 14px; margin-top: 14px; max-width: 280px; }
.footer-col h4 { font-size: 15px; margin-bottom: 14px; }
.footer-col a { display: block; color: var(--muted); font-size: 14px; margin-bottom: 9px; transition: color 0.18s; }
.footer-col a:hover { color: var(--b1); }
.footer-bottom { max-width: var(--maxw); margin: 0 auto; padding: 20px 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; color: var(--faint); font-size: 13px; }

/* ===== Legal pages ===== */
.legal-body h3 { font-size: 20px; margin: 32px 0 10px; }
.legal-body p, .legal-body li { color: var(--muted); font-size: 16px; margin-bottom: 12px; }
.legal-body strong { color: var(--ink); }
.legal-body a { color: var(--b1); }
.legal-body a:hover { text-decoration: underline; }
.legal-body ul { list-style: none; display: grid; gap: 8px; margin: 8px 0 16px; }
.legal-body ul li { padding-left: 24px; position: relative; }
.legal-body ul li::before { content: "→"; position: absolute; left: 0; color: var(--b1); font-weight: 700; }
.legal-note { background: #fff7ed; border: 1px solid #fed7aa; border-radius: var(--radius-sm); padding: 16px 18px; font-size: 14px; color: #7c2d12; margin-bottom: 8px; }
.legal-note strong { color: #7c2d12; }

/* ===== Reveal ===== */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 940px) {
  .hero { grid-template-columns: 1fr; }
  .features, .steps, .pricing { grid-template-columns: 1fr 1fr; }
  .price:last-child { grid-column: 1 / -1; }
  .about, .contact { grid-template-columns: 1fr; }
  .contact-form { border-left: none; border-top: 1px solid var(--line); }
}
@media (max-width: 660px) {
  .nav { position: fixed; inset: 64px 12px auto 12px; flex-direction: column; align-items: stretch; gap: 4px; background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--radius); box-shadow: var(--shadow); padding: 10px; transform: translateY(-140%); opacity: 0; transition: transform 0.32s ease, opacity 0.32s ease; }
  .nav.open { transform: translateY(0); opacity: 1; }
  .nav > a { padding: 13px 14px; }
  .nav-x, .nav-cta { justify-content: center; text-align: center; }
  .burger { display: flex; }
  .features, .steps, .pricing, .about-stats, .footer-top { grid-template-columns: 1fr; }
  .price:last-child { grid-column: auto; }
  .contact-info, .contact-form { padding: 26px; }
  .section { padding: 52px 20px; }
  .hero { padding: 36px 20px; }
}