/* =========================================================
   Tabeva — design system
   Colors taken from the existing tabeva.com logo (navy / orange).
   ========================================================= */

:root {
  /* Brand colors */
  --color-navy: #16264d;
  --color-navy-700: #1f3a70;
  --color-navy-900: #0d1730;
  --color-blue: #2f6fed;
  --color-blue-dark: #1f56c9;
  --color-blue-light: #eaf1fe;
  --color-orange: #f5821f;
  --color-orange-dark: #d96c0f;
  --color-orange-light: #fef1e3;

  /* Neutrals */
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fb;
  --color-border: #e3e8f2;
  --color-text: #1a2233;
  --color-text-light: #5b6478;
  --color-text-inverse: #ffffff;

  /* Layout */
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(15, 25, 60, 0.06);
  --shadow: 0 8px 24px rgba(15, 25, 60, 0.08);
  --shadow-lg: 0 20px 48px rgba(15, 25, 60, 0.12);
  --container-w: 1140px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--color-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-navy);
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; color: var(--color-text-light); }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 72px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-navy { background: var(--color-navy); color: var(--color-text-inverse); }
.section-navy h2, .section-navy h3 { color: var(--color-text-inverse); }
.section-navy p { color: #c4cee6; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-blue);
  background: var(--color-blue-light);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.text-center { text-align: center; }
.section-head { max-width: 640px; margin: 0 auto 48px; }
.section-head.left { margin-left: 0; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  text-decoration: none;
  line-height: 1;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--color-orange); color: #fff; }
.btn-primary:hover { background: var(--color-orange-dark); box-shadow: var(--shadow); }
.btn-secondary { background: var(--color-blue); color: #fff; }
.btn-secondary:hover { background: var(--color-blue-dark); box-shadow: var(--shadow); }
.btn-outline { background: transparent; color: var(--color-navy); border-color: var(--color-border); }
.btn-outline:hover { border-color: var(--color-blue); color: var(--color-blue); }
.btn-outline-inverse { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.btn-outline-inverse:hover { border-color: #fff; }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn-block { width: 100%; }

.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}
.brand img { height: 34px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--color-navy);
  font-weight: 600;
  font-size: 0.95rem;
}
.nav-links a:hover { color: var(--color-blue); text-decoration: none; }
.nav-right { display: flex; align-items: center; gap: 16px; }

.lang-switch { position: relative; }
.lang-switch summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-navy);
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.lang-switch summary::-webkit-details-marker { display: none; }
.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  max-height: 340px;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 2px;
  min-width: 280px;
}
.lang-menu a {
  display: block;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 0.88rem;
  color: var(--color-text);
  font-weight: 500;
  white-space: nowrap;
}
.lang-menu a:hover { background: var(--color-bg-alt); text-decoration: none; }
.lang-menu a.active { color: var(--color-blue); font-weight: 700; }

.nav-toggle { display: none; }

/* Hero */
.hero {
  padding: 64px 0 40px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.hero p.lead { font-size: 1.12rem; color: var(--color-text-light); }
.hero-media img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Problem / solution point grids */
.point-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.point-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.point {
  padding: 24px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.point h3 { margin-bottom: 8px; font-size: 1.05rem; }
.point p { margin: 0; font-size: 0.95rem; }
.point-icon { width: 64px; height: 64px; margin-bottom: 14px; }

.icon-badge {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--color-blue-light);
  color: var(--color-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-size: 1.3rem;
}

/* Feature cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 28px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.feature-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.feature-card h3 { margin-bottom: 8px; }
.feature-card p { margin: 0; font-size: 0.95rem; }

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  counter-reset: step;
}
.step { position: relative; padding-top: 8px; }
.step-icon-wrap { position: relative; display: inline-block; margin-bottom: 16px; }
.step-icon { width: 64px; height: 64px; display: block; }
.step-icon-wrap::after {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  right: -8px;
  bottom: -8px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-orange);
  color: #fff;
  font-weight: 800;
  font-size: 0.85rem;
  border: 2px solid var(--color-bg);
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.plan {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  background: #fff;
  display: flex;
  flex-direction: column;
}
.plan.highlighted {
  border-color: var(--color-blue);
  box-shadow: var(--shadow-lg);
  position: relative;
  transform: scale(1.02);
}
.plan-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-blue);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
}
.plan-name { font-weight: 700; color: var(--color-navy); margin-bottom: 4px; }
.plan-price { font-size: 2.2rem; font-weight: 800; color: var(--color-navy); }
.plan-price .price-interval { font-size: 1rem; font-weight: 600; color: var(--color-text-light); }
.plan-tagline { font-size: 0.9rem; margin-bottom: 20px; }
.plan-features { list-style: none; padding: 0; margin: 0 0 24px; flex-grow: 1; }
.plan-features li {
  padding: 8px 0 8px 26px;
  position: relative;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--color-border);
}
.plan-features li:last-child { border-bottom: none; }
.plan-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-blue);
  font-weight: 800;
}
.pricing-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-light);
  background: var(--color-orange-light);
  border: 1px dashed var(--color-orange);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  margin-bottom: 40px;
}

.billing-toggle-wrap { text-align: center; margin-bottom: 28px; }
.billing-toggle {
  display: inline-flex;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 4px;
}
.billing-toggle-opt {
  border: none;
  background: transparent;
  color: var(--color-text-light);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 8px 20px;
  border-radius: 999px;
  cursor: pointer;
}
.billing-toggle-opt.active { background: var(--color-navy); color: #fff; }

/* Blog -- category pills, sopra la griglia articoli */
.blog-category-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 0 0 32px;
}
.blog-category-pill {
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  font-size: 0.85rem;
  font-weight: 600;
}
.blog-category-pill:hover { border-color: var(--color-blue); color: var(--color-blue); }
.blog-category-pill.active { background: var(--color-navy); border-color: var(--color-navy); color: #fff; }

.enterprise-cta {
  margin-top: 40px;
  padding: 36px;
  border-radius: var(--radius-lg);
  background: var(--color-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.enterprise-cta p { color: #c4cee6; margin: 4px 0 0; }

/* FAQ */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 18px 0;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--color-navy);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.3rem; color: var(--color-blue); }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin: 12px 0 0; }

/* Values grid (about) */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-field { margin-bottom: 18px; }
.form-field label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--color-navy);
}
.form-field input,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.96rem;
  color: var(--color-text);
  background: #fff;
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px var(--color-blue-light);
}
.form-note {
  font-size: 0.8rem;
  color: var(--color-text-light);
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-top: 16px;
}
.form-status { margin-top: 14px; font-weight: 600; display: none; }
.form-status.visible { display: block; }
.form-status.success { color: #167a4f; }
.form-status.error { color: #c0392b; }

.contact-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: 28px;
  height: fit-content;
}

/* Blog */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.blog-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
}
.blog-card-body { padding: 26px; }
.blog-meta { font-size: 0.8rem; color: var(--color-text-light); margin-bottom: 10px; }
.blog-card h3 { margin-bottom: 10px; }
.blog-card-image-wrap { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.blog-card-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.blog-post-body p { color: var(--color-text); font-size: 1.02rem; }
.blog-post-body { max-width: 720px; margin: 0 auto; }
.blog-post-body img { max-width: 100%; height: auto; border-radius: var(--radius-sm); }
.blog-post-header { max-width: 720px; margin: 0 auto 32px; }
.blog-post-image-wrap {
  position: relative;
  max-width: 920px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin: 0 auto 32px;
}
.blog-post-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.notice-box {
  max-width: 720px;
  margin: 0 auto 32px;
  background: var(--color-orange-light);
  border: 1px solid var(--color-orange);
  border-radius: var(--radius);
  padding: 18px 22px;
  font-size: 0.92rem;
}

/* Final CTA band */
.cta-band {
  text-align: center;
  padding: 64px 0;
}
.cta-band h2 { color: #fff; }

/* Footer */
.site-footer {
  background: var(--color-navy-900);
  color: #b9c3dc;
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.footer-grid img { height: 30px; margin-bottom: 14px; }
.footer-grid h4 { color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 14px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: #b9c3dc; font-size: 0.92rem; }
.footer-grid a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: #7f8bab;
}
.footer-note { font-size: 0.75rem; color: #5c6889; max-width: 480px; }

/* Utilities */
.mt-0 { margin-top: 0; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .point-grid, .feature-grid, .steps, .values-grid, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .plan.highlighted { transform: none; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .point-grid, .feature-grid, .steps, .values-grid, .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-row { flex-direction: column; }
  .cta-row .btn { width: 100%; }
  .enterprise-cta { flex-direction: column; align-items: flex-start; }
  .section { padding: 48px 0; }
  .lang-menu { grid-template-columns: 1fr; right: -12px; }
}