:root {
  --bg: #f4f7f5;
  --surface: #ffffff;
  --ink: #111827;
  --muted: #4b5563;
  --border: #d9e4dd;
  --green-900: #052e2b;
  --green-800: #064e3b;
  --green-500: #10b981;
  --green-100: #d1fae5;
  --shadow: 0 18px 50px rgba(5, 46, 43, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #eef8f1 0%, var(--bg) 44%, #ffffff 100%);
  line-height: 1.6;
}

a { color: var(--green-800); text-decoration-thickness: 0.08em; text-underline-offset: 0.22em; }
a:focus-visible, .cta:focus-visible { outline: 3px solid var(--green-500); outline-offset: 4px; border-radius: 10px; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 10;
  padding: 0.75rem 1rem;
  background: var(--green-900);
  color: #fff;
  border-radius: 999px;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav, .section, .site-footer {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand { display: inline-flex; align-items: center; gap: 0.65rem; font-weight: 800; text-decoration: none; color: var(--green-900); }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: var(--green-900); color: #fff; box-shadow: var(--shadow); }
.nav-links { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.nav-links a, .site-footer a { color: var(--muted); font-weight: 700; text-decoration: none; }
.nav-links a:hover, .site-footer a:hover { color: var(--green-800); text-decoration: underline; }

.section { padding: 4rem 0; }
.hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr); align-items: center; gap: 2rem; }
.eyebrow { margin: 0 0 0.8rem; color: var(--green-800); font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.85rem; }
h1 { margin: 0; color: var(--green-900); font-size: clamp(2.7rem, 8vw, 5.5rem); line-height: 0.95; }
h2 { margin: 0 0 1rem; color: var(--green-900); font-size: clamp(1.7rem, 3vw, 2.3rem); line-height: 1.15; }
h3 { margin: 0 0 0.6rem; color: var(--green-900); font-size: 1.15rem; }
.slogan { margin: 1rem 0 0; font-size: clamp(1.35rem, 3vw, 2rem); color: var(--green-800); font-weight: 800; }
.lead { max-width: 680px; font-size: 1.25rem; color: #263238; }
.notice { max-width: 760px; padding: 1rem 1.15rem; border-left: 5px solid var(--green-500); background: rgba(209,250,229,0.72); border-radius: 14px; color: #1f2937; }
.cta { display: inline-flex; margin-top: 1rem; padding: 0.9rem 1.2rem; border-radius: 999px; color: #fff; background: var(--green-800); font-weight: 800; box-shadow: var(--shadow); }

.hero-card { min-height: 320px; border-radius: 32px; padding: 2rem; background: radial-gradient(circle at top right, var(--green-500), var(--green-800) 42%, var(--green-900)); color: #fff; box-shadow: var(--shadow); display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; align-content: center; }
.hero-card span { padding: 1rem; border-radius: 18px; background: rgba(255,255,255,0.13); border: 1px solid rgba(255,255,255,0.22); font-weight: 800; text-align: center; }

.grid-section > h2, .plans > h2 { text-align: center; }
.card-grid, .plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.5rem; }
.card, .plan-card, .legal-page, .faq-list article, .contact-box { background: var(--surface); border: 1px solid var(--border); border-radius: 24px; box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06); }
.card { padding: 1.4rem; }
.card p, .plan-card p, .legal-page p, li { color: var(--muted); }
.plan-grid { grid-template-columns: repeat(2, 1fr); max-width: 820px; margin-left: auto; margin-right: auto; }
.plan-card { padding: 1.5rem; }
.plan-card ul { margin: 0; padding-left: 1.2rem; }
.featured { border-color: rgba(16,185,129,0.45); box-shadow: var(--shadow); }

.showcase {
  padding-top: 2rem;
}

.showcase-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  align-items: center;
  gap: 2rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: 24px;
  background: rgba(255,255,255,0.74);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.showcase-intro p:not(.eyebrow) {
  max-width: 600px;
  margin: 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.showcase-banner {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.app-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.gallery-card {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.gallery-trigger {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.gallery-trigger:focus-visible {
  outline: 3px solid var(--green-500);
  outline-offset: -3px;
}

.gallery-trigger img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 941 / 1672;
  object-fit: cover;
}

.gallery-copy {
  padding: 1.1rem 1.2rem 1.25rem;
}

.gallery-copy p {
  margin: 0;
  color: var(--muted);
}

.image-lightbox {
  max-width: min(92vw, 760px);
  max-height: 92vh;
  padding: 1rem;
  border: 0;
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 22px 70px rgba(5, 46, 43, 0.28);
}

.image-lightbox::backdrop {
  background: rgba(5, 46, 43, 0.68);
}

.image-lightbox img {
  display: block;
  max-width: 100%;
  max-height: 78vh;
  width: auto;
  height: auto;
  margin: 0 auto;
  border-radius: 18px;
}

.lightbox-close {
  display: block;
  margin: 0 0 0.8rem auto;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--green-900);
  background: #fff;
  font-weight: 800;
  cursor: pointer;
}

.legal-page { max-width: 880px; padding: clamp(1.25rem, 3vw, 2.2rem); margin-top: 2rem; margin-bottom: 3rem; }
.legal-page h1 { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 1rem; }
.legal-page h2 { font-size: 1.35rem; margin-top: 2rem; }
.faq-list { display: grid; gap: 1rem; margin: 2rem 0; }
.faq-list article { padding: 1.1rem 1.25rem; }
.contact-box { padding: 1rem 1.15rem; color: var(--green-900); font-weight: 700; }

.site-footer { display: flex; justify-content: space-between; gap: 1.5rem; padding: 2rem 0; border-top: 1px solid var(--border); color: var(--muted); }
.site-footer nav { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: flex-end; }

@media (max-width: 1024px) {
  .app-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 800px) {
  .nav { align-items: flex-start; flex-direction: column; padding: 1rem 0; }
  .hero { grid-template-columns: 1fr; padding-top: 2.5rem; }
  .hero-card { min-height: auto; }
  .showcase-intro { grid-template-columns: 1fr; }
  .card-grid, .plan-grid { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; }
  .site-footer nav { justify-content: flex-start; }
}

@media (max-width: 640px) {
  .app-gallery { grid-template-columns: 1fr; }
  .showcase-intro { padding: 1rem; }
  .showcase-banner, .gallery-card, .image-lightbox { border-radius: 18px; }
}