/* Dacha Tech - shared styles */

:root {
  --color-navy: #0b4560;
  --color-navy-dark: #082f42;
  --color-blue: #14748f;
  --color-green: #3f7d20;
  --color-green-bright: #6cb52d;
  --color-bg: #ffffff;
  --color-bg-soft: #f3f7f6;
  --color-bg-tint: #eef6f1;
  --color-text: #16262e;
  --color-text-muted: #55666d;
  --color-border: #e1e8e7;
  --color-ink: #0e1215;
  --shadow-soft: 0 4px 20px rgba(11, 69, 96, 0.08);
  --radius: 14px;
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: "Poppins", "Inter", sans-serif;
  line-height: 1.2;
  margin: 0 0 0.6em;
  color: var(--color-navy-dark);
}

h1 { font-size: clamp(2.2rem, 4vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }

p { margin: 0 0 1em; color: var(--color-text-muted); }

a {
  color: var(--color-blue);
  text-decoration: none;
}
a:hover { color: var(--color-navy); }

img { max-width: 100%; display: block; }

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

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}

.nav-brand img.mark-icon {
  height: 40px;
  width: auto;
  display: block;
}

.nav-brand img.mark-wordmark {
  height: 26px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a.active {
  color: var(--color-green);
}

.nav-cta {
  background: linear-gradient(120deg, var(--color-navy), var(--color-blue));
  color: #fff !important;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
}
.nav-cta:hover { opacity: 0.9; color: #fff !important; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-navy-dark);
  margin: 5px 0;
  transition: 0.2s;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  border: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: linear-gradient(120deg, var(--color-navy), var(--color-blue));
  color: #fff !important;
  box-shadow: 0 6px 18px rgba(11, 69, 96, 0.25);
}

.btn-secondary {
  background: var(--color-bg-tint);
  color: var(--color-navy-dark) !important;
  border: 1px solid var(--color-border);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--color-navy);
  color: var(--color-navy) !important;
}

/* ---------- Hero ---------- */
.hero {
  padding: 56px 0 48px;
  background:
    radial-gradient(circle at 85% 15%, rgba(108, 181, 45, 0.10), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(20, 116, 143, 0.10), transparent 45%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-green);
  background: var(--color-bg-tint);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.hero-visual {
  background: var(--color-bg-soft);
  border-radius: 24px;
  padding: 32px;
  border: 1px solid var(--color-border);
}

/* ---------- Sections ---------- */
section {
  padding: 44px 0;
}

.section-alt {
  background: var(--color-bg-soft);
}

.section-head {
  max-width: 640px;
  margin: 0 auto 32px;
  text-align: center;
}

.section-head.left {
  margin: 0 0 32px;
  text-align: left;
}

/* ---------- Cards / Grids ---------- */
.grid {
  display: grid;
  gap: 28px;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-soft);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-green-bright), var(--color-blue));
  color: #fff;
  font-size: 1.4rem;
  margin-bottom: 18px;
}

.tag-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}

.tag-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.tag-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-green-bright);
}

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

.step {
  position: relative;
  padding-top: 8px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-navy-dark);
  color: #fff;
  font-weight: 700;
  font-family: "Poppins", sans-serif;
  margin-bottom: 16px;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--color-navy-dark), var(--color-navy) 55%, var(--color-blue));
  border-radius: 24px;
  padding: 44px 40px;
  text-align: center;
  color: #fff;
}

.cta-band h2, .cta-band p { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.85); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 40px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 28px;
}

.footer-brand {
  display: inline-flex;
  align-items: flex-end;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand img.mark-icon {
  height: 32px;
  width: auto;
  display: block;
}

.footer-brand img.mark-wordmark {
  height: 20px;
  width: auto;
  display: block;
}

.site-footer h4 {
  color: var(--color-navy-dark);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer li { margin-bottom: 10px; }

.site-footer a {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}
.site-footer a:hover { color: var(--color-navy); }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Page header (inner pages) ---------- */
.page-hero {
  padding: 40px 0 32px;
  background: var(--color-bg-tint);
  text-align: center;
}

/* ---------- Forms ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.form-field.full { grid-column: 1 / -1; }

.form-field label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-navy-dark);
}

.form-field input,
.form-field select,
.form-field textarea {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--color-bg);
  color: var(--color-text);
}

.form-field textarea { resize: vertical; min-height: 120px; }

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-blue);
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.pill {
  display: inline-block;
  background: var(--color-bg-tint);
  color: var(--color-green);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-brand { gap: 8px; }
  .nav-brand img.mark-icon { height: 30px; }
  .nav-brand img.mark-wordmark { height: 19px; }
  .nav-links {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 18px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-150%);
    transition: transform 0.25s ease;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-toggle { display: block; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .cta-band { padding: 40px 24px; }
}