/* ============================================
   CATEGORY LEADERS — Design System & Styles
   Palette: Navy #104060 | Pink #d02090 | White
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --navy: #104060;
  --navy-dark: #0b2d44;
  --navy-light: #1a5a82;
  --pink: #d02090;
  --pink-hover: #b81a7d;
  --white: #ffffff;
  --off-white: #f5f7f9;
  --grey-100: #e8ecf0;
  --grey-200: #c8d0d8;
  --grey-600: #5a6a78;
  --grey-800: #2c3e4a;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1140px;
  --transition: 0.25s ease;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--grey-800);
  line-height: 1.7;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--pink); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--pink-hover); }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--navy);
  font-weight: 700;
  line-height: 1.2;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); letter-spacing: -0.02em; }
h3 { font-size: 1.3rem; }
p { margin-bottom: 1rem; }

/* --- Layout --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }
.section { padding: 5rem 0; }
.section--alt { background: var(--off-white); }
.section--navy { background: var(--navy); color: var(--white); }
.section--navy h2, .section--navy h3 { color: var(--white); }

/* --- Header / Nav --- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--grey-100);
  backdrop-filter: blur(8px);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.header__logo img { height: 36px; width: auto; }
.nav { display: flex; gap: 2rem; align-items: center; }
.nav a {
  color: var(--navy);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 2px;
}
.nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--pink);
  transition: width var(--transition);
}
.nav a:hover { color: var(--navy); }
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav a.active { color: var(--navy); }

/* Mobile nav toggle */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
  transition: var(--transition);
}

/* --- Hero --- */
.hero {
  padding: 7rem 0 5rem;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, var(--navy-light) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  border: 60px solid rgba(208, 32, 144, 0.08);
  border-radius: 50%;
}
.hero h1 { color: var(--white); margin-bottom: 1.5rem; }
.hero__subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: rgba(255,255,255,0.85);
  max-width: 600px;
  line-height: 1.6;
  margin-bottom: 2.5rem;
}
.hero__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--pink);
  margin-bottom: 1rem;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}
.btn--pink {
  background: var(--pink);
  color: var(--white);
  border-color: var(--pink);
}
.btn--pink:hover {
  background: var(--pink-hover);
  border-color: var(--pink-hover);
  color: var(--white);
}
.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn--outline:hover {
  border-color: var(--white);
  color: var(--white);
}
.btn--navy-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn--navy-outline:hover {
  background: var(--navy);
  color: var(--white);
}

/* --- Service Cards --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.service-card {
  padding: 2.5rem;
  background: var(--white);
  border: 1px solid var(--grey-100);
  border-radius: 6px;
  transition: all var(--transition);
  position: relative;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--pink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover { border-color: var(--grey-200); box-shadow: 0 8px 30px rgba(16, 64, 96, 0.08); }
.service-card:hover::before { transform: scaleX(1); }
.service-card__icon {
  width: 48px;
  height: 48px;
  background: var(--off-white);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  color: var(--navy);
}
.service-card h3 { margin-bottom: 0.75rem; }
.service-card p { color: var(--grey-600); font-size: 0.95rem; }
.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.25rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--pink);
}
.service-card__link:hover { gap: 0.7rem; }

/* --- Page Header (inner pages) --- */
.page-header {
  padding: 5rem 0 3rem;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: var(--white);
}
.page-header h1 { color: var(--white); margin-bottom: 1rem; }
.page-header p { color: rgba(255,255,255,0.8); font-size: 1.15rem; max-width: 640px; }

/* --- Content blocks --- */
.content-block { max-width: 720px; }
.content-block h2 { margin-bottom: 1rem; }
.content-block p { color: var(--grey-600); }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

/* --- Feature list --- */
.feature-list { list-style: none; margin: 1.5rem 0; }
.feature-list li {
  padding: 0.75rem 0;
  padding-left: 1.8rem;
  position: relative;
  color: var(--grey-800);
  border-bottom: 1px solid var(--grey-100);
}
.feature-list li:last-child { border-bottom: none; }
.feature-list li::before {
  content: '\2192';
  position: absolute;
  left: 0;
  color: var(--pink);
  font-weight: 700;
}

/* --- Approach steps --- */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}
.approach-step {
  text-align: center;
  padding: 2rem 1.5rem;
}
.approach-step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--pink);
  color: var(--white);
  border-radius: 50%;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}
.approach-step h3 { margin-bottom: 0.5rem; font-size: 1.1rem; }
.approach-step p { color: var(--grey-600); font-size: 0.9rem; }

/* --- Bio card --- */
.bio-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  align-items: start;
}
.bio-photo {
  width: 280px;
  height: 340px;
  background: var(--grey-100);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--grey-600);
  font-size: 0.85rem;
}
.bio-content h2 { margin-bottom: 0.5rem; }
.bio-content .role { color: var(--pink); font-weight: 600; font-size: 1rem; margin-bottom: 1.5rem; }

/* --- CTA Band --- */
.cta-band {
  padding: 4rem 0;
  background: var(--navy);
  color: var(--white);
  text-align: center;
}
.cta-band h2 { color: var(--white); margin-bottom: 1rem; }
.cta-band p { color: rgba(255,255,255,0.7); margin-bottom: 2rem; max-width: 500px; margin-left: auto; margin-right: auto; }

/* --- Contact form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}
.form-group { margin-bottom: 1.5rem; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.4rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--grey-200);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--navy);
}
.form-group textarea { resize: vertical; min-height: 140px; }

/* --- Footer --- */
.footer {
  padding: 3rem 0;
  background: var(--navy-dark);
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
}
.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer a { color: rgba(255,255,255,0.5); }
.footer a:hover { color: var(--white); }
.footer__links { display: flex; gap: 1.5rem; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav { display: none; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: var(--white); padding: 1.5rem 2rem; border-bottom: 1px solid var(--grey-100); gap: 1rem; }
  .nav.open { display: flex; }
  .nav-toggle { display: block; }
  .hero { padding: 5rem 0 3rem; }
  .two-col, .bio-layout, .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .bio-photo { width: 200px; height: 240px; }
  .footer .container { flex-direction: column; gap: 1rem; text-align: center; }
  .services-grid { grid-template-columns: 1fr; }
}