/* ============================================================
   PINK UNICORN — Global Stylesheet
   Design tokens and shared shell for all six pages
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Raleway:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,300&family=Fraunces:ital,wght@0,600;0,700;0,800;1,700&family=DM+Serif+Display:ital@0;1&display=swap');

/* ── Design Tokens ─────────────────────────────────────── */
:root {
  --navy:       #1B3A57;
  --near-black: #111827;
  --h1-gray:    #2D3748;
  --mid-gray:   #6B7280;
  --magenta:    #D6177F;
  --magenta-hover: #b8106b;
  --footer-gray:#BDBDBD;
  --light-bg:   #F9FAFB;
  --divider:    #CBD5E0;
  --white:      #ffffff;
  --max-w:      1100px;
  --side-pad:   clamp(1.25rem, 5vw, 3rem);
  --header-h:   72px;
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Raleway', sans-serif;
  color: var(--near-black);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Typography helpers ────────────────────────────────── */
.serif { font-family: 'Fraunces', serif; }

/* ── Layout helper ─────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--side-pad);
  padding-right: var(--side-pad);
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  height: var(--header-h);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--side-pad);
  height: 100%;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.logo-link img {
  height: 44px;
  width: 44px;
  object-fit: contain;
}

.logo-text {
  font-family: 'Raleway', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  color: var(--navy);
  line-height: 1.2;
}

.logo-text span { color: var(--magenta); }

.main-nav {
  display: flex;
  align-items: center;
  height: 100%;
}

.nav-list {
  display: flex;
  align-items: center;
  height: 100%;
}

.nav-list li {
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-list li + li {
  border-left: 1px solid var(--divider);
}

.nav-list a {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 1.1rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  transition: color 0.2s;
  white-space: nowrap;
  position: relative;
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1.1rem;
  right: 1.1rem;
  height: 3px;
  background: var(--magenta);
  transform: scaleX(0);
  transition: transform 0.2s ease;
  border-radius: 2px 2px 0 0;
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--magenta);
}

.nav-list a:hover::after,
.nav-list a.active::after {
  transform: scaleX(1);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0; bottom: 0;
  background: var(--white);
  z-index: 99;
  padding: 2rem var(--side-pad);
  flex-direction: column;
  overflow-y: auto;
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
  display: block;
  padding: 1rem 0;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  border-bottom: 1px solid var(--divider);
  transition: color 0.2s;
}

.mobile-nav a:hover,
.mobile-nav a.active { color: var(--magenta); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--light-bg);
  border-top: 1px solid var(--divider);
  padding: 1.75rem var(--side-pad);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 1.5rem;
  font-size: 0.78rem;
  color: #888;
  font-weight: 500;
}

.footer-inner a { color: #888; transition: color 0.2s; }
.footer-inner a:hover { color: var(--magenta); }

.footer-contact,
.footer-copy {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-contact svg,
.footer-copy svg { flex-shrink: 0; }

.footer-contact svg { color: var(--magenta); }

/* ============================================================
   HERO — shared
   ============================================================ */
.page-hero {
  padding: 5.5rem var(--side-pad) 4rem;
  max-width: var(--max-w);
  margin: 0 auto;
}

.page-hero h1 {
  font-family: 'Fraunces', serif;
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 700;
  color: var(--h1-gray);
  line-height: 1.1;
  max-width: 700px;
}

.page-hero .hero-sub {
  margin-top: 1.25rem;
  max-width: 520px;
  font-size: 1.05rem;
  color: var(--mid-gray);
  font-weight: 400;
}

/* ============================================================
   CONTENT SECTIONS
   ============================================================ */
.content-section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--side-pad) 5rem;
}

.content-section h2 {
  font-family: 'Raleway', sans-serif;
  font-size: clamp(1.65rem, 3vw, 2.3rem);
  font-weight: 800;
  color: var(--near-black);
  letter-spacing: -0.01em;
  margin-bottom: 1.1rem;
}

.content-section p {
  max-width: 430px;
  color: var(--mid-gray);
  font-size: 0.97rem;
  font-weight: 400;
  line-height: 1.85;
}

/* ============================================================
   TAB ROW — AI Innovation page
   ============================================================ */
.tab-row {
  border-bottom: 2px solid var(--divider);
  position: sticky;
  top: var(--header-h);
  background: var(--white);
  z-index: 90;
}

.tab-list {
  display: flex;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--side-pad);
  overflow-x: auto;
  scrollbar-width: none;
}

.tab-list::-webkit-scrollbar { display: none; }

.tab-btn {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  padding: 1.1rem 1.4rem;
  font-family: 'Raleway', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--mid-gray);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s, border-color 0.2s;
  margin-bottom: -2px;
}

.tab-btn:hover { color: var(--magenta); }

.tab-btn.active {
  color: var(--magenta);
  border-bottom-color: var(--magenta);
}

/* ============================================================
   AI INNOVATION — section blocks with animation
   ============================================================ */
.ai-section {
  padding: 4rem 0 4.5rem;
  border-top: 1px solid var(--divider);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.ai-section:first-child { border-top: none; padding-top: 3rem; }

.ai-section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   SERVICE CARDS — Home page
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--side-pad) 5rem;
}

.service-card {
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 2rem 1.75rem;
  transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
}

.service-card:hover {
  box-shadow: 0 8px 32px rgba(214,23,127,0.1);
  transform: translateY(-4px);
  border-color: rgba(214,23,127,0.3);
}

.service-card .card-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #fde8f3, #fac4e0);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--magenta);
}

.service-card h3 {
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--navy);
  margin-bottom: 0.6rem;
  letter-spacing: 0.01em;
}

.service-card p {
  font-size: 0.875rem;
  color: var(--mid-gray);
  line-height: 1.7;
}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-form-wrap {
  max-width: 580px;
  padding: 0 var(--side-pad) 5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: 'Raleway', sans-serif;
  font-size: 0.95rem;
  color: var(--near-black);
  border: 1.5px solid var(--divider);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--magenta);
  box-shadow: 0 0 0 3px rgba(214,23,127,0.12);
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--magenta);
  color: var(--white);
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.9rem 2.2rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary:hover {
  background: var(--magenta-hover);
  transform: translateY(-1px);
}

/* ============================================================
   ACCENT STRIP
   ============================================================ */
.accent-strip {
  display: inline-block;
  background: linear-gradient(90deg, #fde8f3 0%, #f9f1fb 100%);
  border-left: 4px solid var(--magenta);
  padding: 0.85rem 1.25rem;
  border-radius: 0 8px 8px 0;
  margin-bottom: 3rem;
  max-width: 560px;
  font-size: 0.875rem;
  color: var(--navy);
  font-weight: 600;
}

/* ============================================================
   FADE-UP utility (Intersection Observer)
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RISK COUNCIL — two-col layout
   ============================================================ */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--side-pad) 5rem;
  align-items: start;
}

@media (max-width: 700px) {
  .two-col { grid-template-columns: 1fr; gap: 2rem; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .nav-list  { display: none; }
  .hamburger { display: flex; }
}

@media (max-width: 600px) {
  .page-hero { padding: 3.5rem var(--side-pad) 2.5rem; }
  .services-grid { grid-template-columns: 1fr; }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}