/* ==========================================================================
   Proactovate — base
   ========================================================================== */

:root {
  --navy: #0f172a;
  --navy-light: #1e293b;
  --teal: #2dd4bf;
  --teal-dark: #0f766e;
  --bg: #f8fafc;
  --bg-alt: #eef2f7;
  --text: #1e293b;
  --muted: #5b6b82;
  --white: #ffffff;
  --border: #e2e8f0;
  --radius: 14px;
  --max-width: 1140px;
  --shadow: 0 10px 30px -12px rgba(15, 23, 42, 0.15);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

h1, h2, h3 {
  font-weight: 800;
  color: var(--navy);
  line-height: 1.15;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
h3 { font-size: 1.25rem; margin-bottom: 0.5em; }

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

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

a {
  color: inherit;
  text-decoration: none;
}

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

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy);
  color: var(--white);
  padding: 10px 16px;
  z-index: 100;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--teal-dark);
  margin-bottom: 0.75em;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--navy);
  color: var(--white);
  box-shadow: var(--shadow);
}
.btn-primary:hover { background: var(--navy-light); }

.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-block { width: 100%; text-align: center; }

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 250, 252, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 26px;
  width: auto;
  display: block;
}

.main-nav {
  display: flex;
  gap: 32px;
}

.main-nav a {
  font-weight: 500;
  color: var(--navy-light);
  font-size: 0.95rem;
}
.main-nav a:hover { color: var(--teal-dark); }

/* On desktop the "Get in touch" button covers this; it only shows in the mobile menu. */
.nav-contact { display: none; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--navy);
  border-radius: 2px;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding: 100px 0 70px;
  background:
    radial-gradient(circle at 85% 10%, rgba(45, 212, 191, 0.18), transparent 55%),
    linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
}

.hero-inner {
  max-width: 780px;
}

.hero-sub {
  font-size: 1.1rem;
  max-width: 640px;
}

.hero-note {
  font-weight: 600;
  color: var(--navy);
}

/* ==========================================================================
   Sections
   ========================================================================== */

.section {
  padding: 90px 0;
}

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

.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head .eyebrow { justify-content: center; }

.section-sub { font-size: 1.05rem; }

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-card p:last-child { margin-bottom: 0; }

/* About Leadership */
.founder-card {
  max-width: 640px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.founder-avatar {
  flex-shrink: 0;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--teal);
  font-weight: 800;
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.founder-card p:last-child { margin-bottom: 0; }

/* Clients */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.client-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.client-card p {
  margin-bottom: 0;
  color: var(--text);
  flex: 1;
}

.client-tag {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal-dark);
  background: rgba(45, 212, 191, 0.14);
  padding: 4px 10px;
  border-radius: 999px;
}

/* Contact */
.contact-details {
  text-align: center;
}

.contact-details li {
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}

.contact-details a {
  color: var(--teal-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contact-details a:hover {
  color: var(--navy);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--navy);
  color: #cbd5e1;
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.85rem;
}

.footer-inner p { margin: 0; color: inherit; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 900px) {
  .services-grid { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .founder-card { flex-direction: column; }
}

@media (max-width: 720px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px 24px;
    gap: 16px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .header-actions .btn-sm { display: none; }
  .nav-contact { display: block; }
  .form-row-split { grid-template-columns: 1fr; }
}
