:root {
  --color-navy: #1a2332;
  --color-navy-light: #2a3a52;
  --color-accent: #e07a3f;
  --color-accent-dark: #c4632b;
  --color-bg: #f7f5f2;
  --color-card: #ffffff;
  --color-text: #1a2332;
  --color-text-muted: #5a6472;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --radius: 10px;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

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

/* Language toggling */
[data-lang] {
  display: none;
}

html.lang-it [data-lang="it"] {
  display: revert;
}

html.lang-en [data-lang="en"] {
  display: revert;
}

html.lang-it span[data-lang="it"],
html.lang-it a[data-lang="it"],
html.lang-it button[data-lang="it"] {
  display: inline;
}

html.lang-en span[data-lang="en"],
html.lang-en a[data-lang="en"],
html.lang-en button[data-lang="en"] {
  display: inline;
}

a {
  color: var(--color-accent-dark);
}

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

/* Ruler / tailoring motif */
.ruler-divider {
  height: 10px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--color-accent) 0,
    var(--color-accent) 1px,
    transparent 1px,
    transparent 24px
  );
  background-position: center;
  opacity: 0.5;
}

/* Header */
header.site-header {
  background: var(--color-navy);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  flex-wrap: wrap;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-toggle {
  display: flex;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  overflow: hidden;
}

.lang-toggle button {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.75);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 12px;
  cursor: pointer;
  letter-spacing: 0.03em;
}

.lang-toggle button.active {
  background: var(--color-accent);
  color: #fff;
}

.btn {
  display: inline-block;
  border-radius: 999px;
  padding: 11px 22px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: transform 0.12s ease, opacity 0.12s ease;
}

.btn:hover {
  transform: translateY(-1px);
  opacity: 0.92;
}

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

.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  color: #fff;
}

.btn-large {
  padding: 14px 30px;
  font-size: 1.05rem;
}

/* Hero */
.hero {
  background: var(--color-navy);
  color: #fff;
  padding: 72px 0 88px;
}

.hero-inner {
  max-width: 720px;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.85rem);
  line-height: 1.15;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}

.hero .subheadline {
  font-size: 1.25rem;
  color: var(--color-accent);
  font-weight: 600;
  margin: 0 0 20px;
}

.hero p.lede {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0 0 32px;
  max-width: 560px;
}

/* Sections */
section {
  padding: 72px 0;
}

section h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.section-lede {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 640px;
  margin: 0 0 40px;
}

/* Problem / solution */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 720px) {
  .compare-grid {
    grid-template-columns: 1fr;
  }
}

.compare-card {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid rgba(26, 35, 50, 0.08);
}

.compare-card.solution {
  border: 1.5px solid var(--color-accent);
}

.compare-card h3 {
  margin: 0 0 16px;
  font-size: 1.15rem;
}

.compare-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--color-text-muted);
}

.compare-card li {
  margin-bottom: 8px;
}

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

@media (max-width: 880px) {
  .steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

.step {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 24px 20px;
  border: 1px solid rgba(26, 35, 50, 0.08);
}

.step .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 14px;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Why us */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 780px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
}

.why-card h3 {
  font-size: 1.1rem;
  margin: 0 0 8px;
}

.why-card p {
  color: var(--color-text-muted);
  margin: 0;
}

/* Final CTA */
.cta-section {
  background: var(--color-navy-light);
  color: #fff;
  text-align: center;
}

.cta-section h2 {
  max-width: 720px;
  margin: 0 auto 28px;
}

/* Footer */
footer.site-footer {
  background: var(--color-navy);
  color: rgba(255, 255, 255, 0.65);
  padding: 32px 0;
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* Contact form */
.contact-section {
  max-width: 640px;
}

.contact-form {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid rgba(26, 35, 50, 0.08);
  margin-top: 32px;
}

.form-row {
  margin-bottom: 20px;
}

.form-row label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.form-row .optional-tag {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 11px 14px;
  border-radius: 6px;
  border: 1px solid rgba(26, 35, 50, 0.2);
  font-family: var(--font-sans);
  font-size: 0.98rem;
  background: #fff;
  color: var(--color-text);
}

.form-row input:focus,
.form-row textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.form-row textarea {
  min-height: 130px;
  resize: vertical;
}

.form-msg {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 0.92rem;
  display: none;
}

.form-msg.success {
  display: block;
  background: rgba(46, 145, 89, 0.12);
  color: #2e7d49;
}

.form-msg.error {
  display: block;
  background: rgba(196, 42, 42, 0.1);
  color: #b3261e;
}

.submit-btn {
  width: 100%;
  padding: 13px;
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}