/* ============================================================
   GROWTH PATHFINDERS — Main Stylesheet
   ============================================================ */

/* 1. CUSTOM PROPERTIES
   ============================================================ */
:root {
  --navy:        #0A192F;
  --navy-light:  #112240;
  --navy-mid:    #0D2137;
  --white:       #FFFFFF;
  --off-white:   #F7F8FA;
  --slate:       #4A5568;
  --slate-light: #718096;
  --slate-border:#CBD5E0;
  --crimson:     #E53E3E;
  --crimson-dark:#C53030;

  --font-serif:  'Playfair Display', Georgia, serif;
  --font-sans:   'Inter', system-ui, -apple-system, sans-serif;

  --max-width: 1200px;
  --transition: 0.3s ease;
  --radius: 4px;
  --shadow: 0 4px 24px rgba(10, 25, 47, 0.10);
  --shadow-lg: 0 12px 40px rgba(10, 25, 47, 0.16);
}

/* 2. RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--slate);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* 3. TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.1rem; }

p { font-size: 1rem; line-height: 1.75; color: var(--slate); }

.lead {
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 1.75;
  color: var(--slate);
  max-width: 640px;
}

.label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--crimson);
  display: block;
  margin-bottom: 0.75rem;
}

/* On dark backgrounds */
.on-dark h1, .on-dark h2, .on-dark h3, .on-dark h4 { color: var(--white); }
.on-dark p, .on-dark .lead { color: rgba(255,255,255,0.75); }
.on-dark .label { color: var(--crimson); }

/* 4. LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

.section--dark {
  background: var(--navy);
}

.section--light {
  background: var(--off-white);
}

.section__header {
  margin-bottom: 3.5rem;
}

.section__header--center {
  text-align: center;
}

.section__header--center .lead {
  margin: 1rem auto 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

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

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

/* 5. NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
  padding: 1.25rem 0;
}

.nav.scrolled {
  background: var(--navy);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
  padding: 0.9rem 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.logo__mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--crimson);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--white);
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.logo__text {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1.3;
}

.logo__text span {
  display: block;
  font-weight: 300;
  letter-spacing: 0.22em;
  opacity: 0.7;
}

/* Nav links */
.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__links a {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
  transition: color var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--white);
}

.nav__links a.active {
  position: relative;
}

.nav__links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--crimson);
}

/* Nav CTA */
.nav__cta {
  margin-left: 1rem;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
  background: none;
  border: none;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

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

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--navy);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.nav__mobile.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.nav__mobile a {
  font-size: 1.6rem;
  font-family: var(--font-serif);
  color: var(--white);
  transition: color var(--transition);
}

.nav__mobile a:hover { color: var(--crimson); }

/* 6. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--crimson);
  color: var(--white);
  border: 2px solid var(--crimson);
}

.btn--primary:hover {
  background: var(--crimson-dark);
  border-color: var(--crimson-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(229, 62, 62, 0.35);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
}

.btn--outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.08);
}

.btn--outline-dark {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}

.btn--outline-dark:hover {
  background: var(--navy);
  color: var(--white);
}

.btn--lg {
  font-size: 0.9rem;
  padding: 1.1rem 2.5rem;
}

/* 7. HERO SECTIONS
   ============================================================ */
.hero {
  background: var(--navy);
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 10rem 0 6rem;
  position: relative;
  overflow: hidden;
}

.hero--home {
  background-image: linear-gradient(rgba(10,25,47,0.72), rgba(10,25,47,0.88)), url('../images/img-hero-home.jpg');
  background-size: cover;
  background-position: center;
}

.hero--about {
  background-image: linear-gradient(rgba(10,25,47,0.72), rgba(10,25,47,0.88)), url('../images/img-hero-about.jpg');
  background-size: cover;
  background-position: center;
}

.hero--engagement {
  background-image: linear-gradient(rgba(10,25,47,0.72), rgba(10,25,47,0.88)), url('../images/img-hero-engagement.jpg');
  background-size: cover;
  background-position: center;
}

.hero--expertise {
  background-image: linear-gradient(rgba(10,25,47,0.72), rgba(10,25,47,0.88)), url('../images/img-hero-expertise.jpg');
  background-size: cover;
  background-position: center;
}

.hero--network {
  background-image: linear-gradient(rgba(10,25,47,0.72), rgba(10,25,47,0.88)), url('../images/img-hero-network.jpg');
  background-size: cover;
  background-position: center;
}

.hero--contact {
  background-image: linear-gradient(rgba(10,25,47,0.72), rgba(10,25,47,0.88)), url('../images/img-hero-contact.jpg');
  background-size: cover;
  background-position: center;
}

.hero--short {
  min-height: 55vh;
  padding: 9rem 0 5rem;
}

/* Decorative geometric accents */
.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle, rgba(229,62,62,0.06) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -15%;
  left: -10%;
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, rgba(255,255,255,0.025) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

/* Geometric lines accent */
.hero__accent {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 40%;
  pointer-events: none;
  overflow: hidden;
}

.hero__accent::before {
  content: '';
  position: absolute;
  top: 20%;
  right: -80px;
  width: 320px;
  height: 320px;
  border: 1px solid rgba(255,255,255,0.06);
  transform: rotate(30deg);
}

.hero__accent::after {
  content: '';
  position: absolute;
  top: 35%;
  right: 40px;
  width: 200px;
  height: 200px;
  border: 1px solid rgba(229,62,62,0.12);
  transform: rotate(15deg);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero__content h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero__content h1 em {
  font-style: normal;
  color: var(--crimson);
}

.hero__content .lead {
  color: rgba(255,255,255,0.72);
  margin-bottom: 2.5rem;
  max-width: 560px;
}

.hero__ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* 8. TRUST BAR
   ============================================================ */
.trust-bar {
  background: var(--off-white);
  padding: 2.5rem 0;
  border-top: 1px solid var(--slate-border);
  border-bottom: 1px solid var(--slate-border);
}

.trust-bar__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate-light);
  text-align: center;
  margin-bottom: 1.5rem;
}

.trust-bar__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem 2.5rem;
}

.trust-bar__item {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
  opacity: 0.55;
  transition: opacity var(--transition);
  white-space: nowrap;
}

.trust-bar__item:hover { opacity: 0.85; }

.trust-bar__divider {
  width: 1px;
  height: 14px;
  background: var(--slate-border);
  flex-shrink: 0;
}

/* 9. PROBLEM/SOLUTION
   ============================================================ */
.problem-solution {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--slate-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.ps-card {
  padding: 3rem 2.5rem;
  position: relative;
}

.ps-card + .ps-card {
  border-left: 1px solid var(--slate-border);
}

.ps-card__number {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--off-white);
  line-height: 1;
  margin-bottom: 1rem;
}

.ps-card--solution {
  background: var(--navy);
}

.ps-card--solution .ps-card__number { color: rgba(229,62,62,0.25); }
.ps-card--solution h3 { color: var(--white); }
.ps-card--solution p { color: rgba(255,255,255,0.65); }

.ps-card h3 {
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 0.75rem;
}

.ps-card p {
  font-size: 0.92rem;
  line-height: 1.7;
}

/* 10. CAPABILITY CARDS
   ============================================================ */
.capability-card {
  padding: 2.5rem;
  border: 1px solid var(--slate-border);
  border-radius: var(--radius);
  transition: var(--transition);
  background: var(--white);
}

.capability-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}

.capability-card__icon {
  width: 52px;
  height: 52px;
  background: rgba(229,62,62,0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.capability-card__icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--crimson);
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.capability-card h3 {
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: 0.75rem;
}

.capability-card p {
  font-size: 0.9rem;
  line-height: 1.7;
}

/* 11. ENGAGEMENT MODEL CARDS
   ============================================================ */
.model-card {
  padding: 3rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-top: 3px solid transparent;
  transition: var(--transition);
}

.model-card:hover {
  border-top-color: var(--crimson);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.model-card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--crimson);
  background: rgba(229,62,62,0.08);
  padding: 0.3rem 0.75rem;
  border-radius: 2px;
  margin-bottom: 1.5rem;
}

.model-card h3 {
  color: var(--navy);
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.model-card p {
  font-size: 0.92rem;
  margin-bottom: 1.5rem;
}

.model-card__use-case {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.model-card ul {
  padding-left: 0;
}

.model-card ul li {
  font-size: 0.88rem;
  color: var(--slate);
  padding: 0.35rem 0;
  padding-left: 1.25rem;
  position: relative;
}

.model-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  background: var(--crimson);
  border-radius: 50%;
}

/* 12. EXPERTISE SECTIONS
   ============================================================ */
.expertise-block {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: start;
  padding: 5rem 0;
  border-bottom: 1px solid var(--slate-border);
}

.expertise-block:last-of-type { border-bottom: none; }

.expertise-block.reverse { direction: rtl; }
.expertise-block.reverse > * { direction: ltr; }

.expertise-block__meta {
  position: sticky;
  top: 7rem;
}

.expertise-block__role {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 0.5rem;
}

.expertise-block__title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--navy);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.expertise-block__abbrev {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-light);
  background: var(--off-white);
  padding: 0.3rem 0.75rem;
  border-radius: 2px;
  margin-bottom: 1.5rem;
  border: 1px solid var(--slate-border);
}

.expertise-block__description {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--slate);
}

.expertise-block__deliverables {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.deliverable {
  padding: 1.5rem;
  background: var(--off-white);
  border-radius: var(--radius);
  border-left: 3px solid var(--crimson);
}

.deliverable h4 {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.deliverable p {
  font-size: 0.85rem;
  line-height: 1.6;
}

/* 13. NETWORK / PROFILE CARDS
   ============================================================ */
.network-filters {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.5rem 0 3rem;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-group__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate-light);
  white-space: nowrap;
}

.filter-btn {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.45rem 1rem;
  border: 1px solid var(--slate-border);
  border-radius: 2px;
  color: var(--slate);
  background: var(--white);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--navy);
  color: var(--navy);
  background: var(--off-white);
}

.filter-btn.active {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.filter-divider {
  width: 1px;
  height: 28px;
  background: var(--slate-border);
}

.profiles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.profile-card {
  background: var(--white);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.profile-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}

.profile-card__photo {
  width: 100%;
  aspect-ratio: 3/2.5;
  background: linear-gradient(135deg, var(--navy-light) 0%, var(--navy-mid) 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-card__photo-placeholder {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 2px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-card__photo-placeholder svg {
  width: 36px;
  height: 36px;
  stroke: rgba(255,255,255,0.3);
  fill: none;
  stroke-width: 1.5;
}

.profile-card__example-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--crimson);
  background: rgba(10,25,47,0.85);
  padding: 0.3rem 0.6rem;
  border-radius: 2px;
}

.profile-card__body {
  padding: 1.75rem;
}

.profile-card__name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 0.25rem;
}

.profile-card__title {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--slate-light);
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.profile-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.pedigree-badge {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--off-white);
  border: 1px solid var(--slate-border);
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
}

.profile-card__bio {
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--slate);
}

/* Network CTA box */
.network-cta-box {
  background: var(--navy);
  border-radius: var(--radius);
  padding: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  margin-top: 4rem;
}

.network-cta-box h3 {
  color: var(--white);
  font-size: 1.6rem;
  max-width: 500px;
}

/* 14. STATS BAR
   ============================================================ */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
}

.stat-item {
  padding: 2.5rem 2rem;
  text-align: center;
  position: relative;
}

.stat-item + .stat-item {
  border-left: 1px solid rgba(255,255,255,0.1);
}

.stat-item__number {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-item__number span {
  color: var(--crimson);
}

.stat-item__label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

/* 15. CONTACT FORM
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}

.contact-info__item {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 2rem;
  align-items: flex-start;
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  background: rgba(229,62,62,0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info__icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--crimson);
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-info__label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-light);
  margin-bottom: 0.25rem;
}

.contact-info__value {
  font-size: 0.95rem;
  color: var(--navy);
  font-weight: 500;
}

/* Form */
.form-card {
  background: var(--white);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius);
  padding: 3rem;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.form-group label .required {
  color: var(--crimson);
  margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: var(--navy);
  background: var(--off-white);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius);
  transition: var(--transition);
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--navy);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(10,25,47,0.06);
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234A5568' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
}

.form-submit {
  margin-top: 0.5rem;
}

.form-submit .btn {
  width: 100%;
  justify-content: center;
}

.form-note {
  font-size: 0.78rem;
  color: var(--slate-light);
  text-align: center;
  margin-top: 1rem;
}

/* Form success state */
.form-success {
  display: none;
  text-align: center;
  padding: 3rem 1rem;
}

.form-success__icon {
  width: 64px;
  height: 64px;
  background: rgba(229,62,62,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.form-success__icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--crimson);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.form-success h3 { color: var(--navy); margin-bottom: 0.75rem; }
.form-success p { color: var(--slate); font-size: 0.95rem; }

/* 16. INTERNATIONAL SECTION
   ============================================================ */
.intl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--slate-border);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.intl-item {
  padding: 2.5rem;
  background: var(--white);
  text-align: center;
}

.intl-item__region {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 0.5rem;
}

.intl-item h4 {
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.intl-item p {
  font-size: 0.85rem;
}

/* 17. CTA SECTION
   ============================================================ */
.cta-section {
  background: var(--navy);
  padding: 6rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(229,62,62,0.07) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: 1rem;
  position: relative;
}

.cta-section .lead {
  color: rgba(255,255,255,0.65);
  margin: 0 auto 2.5rem;
  position: relative;
}

.cta-section__buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* 18. ABOUT — VETTING PROCESS
   ============================================================ */
.vetting-steps {
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--slate-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.vetting-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  align-items: stretch;
  border-bottom: 1px solid var(--slate-border);
}

.vetting-step:last-child { border-bottom: none; }

.vetting-step__number {
  background: var(--off-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--slate-border);
  border-right: 1px solid var(--slate-border);
  padding: 1.5rem;
}

.vetting-step:hover .vetting-step__number {
  background: var(--navy);
  color: var(--crimson);
}

.vetting-step__content {
  padding: 1.75rem 2rem;
}

.vetting-step__content h4 {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--navy);
  margin-bottom: 0.4rem;
}

.vetting-step__content p {
  font-size: 0.88rem;
  line-height: 1.65;
}

.vetting-step { transition: var(--transition); }

/* 19. FOOTER
   ============================================================ */
.footer {
  background: var(--navy-mid);
  color: rgba(255,255,255,0.6);
  padding: 5rem 0 2.5rem;
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer__brand p {
  font-size: 0.88rem;
  line-height: 1.75;
  margin-top: 1.25rem;
  max-width: 280px;
}

.footer__col h5 {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 1.25rem;
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__col a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer__col a:hover { color: var(--white); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer__bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
}

.footer__bottom a {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  transition: color var(--transition);
}

.footer__bottom a:hover { color: var(--white); }

/* 20. IMAGE PLACEHOLDER
   ============================================================ */
.img-placeholder {
  width: 100%;
  background: linear-gradient(135deg, var(--navy-light) 0%, var(--navy) 100%);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 40px,
    rgba(255,255,255,0.015) 40px,
    rgba(255,255,255,0.015) 80px
  );
}

.img-placeholder__label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.2);
  position: relative;
}

/* 21. UTILITIES
   ============================================================ */
.text-crimson { color: var(--crimson); }
.text-navy { color: var(--navy); }
.text-slate { color: var(--slate); }
.text-white { color: var(--white); }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.divider {
  width: 48px;
  height: 3px;
  background: var(--crimson);
  margin: 1.5rem 0;
}

/* 22. ANIMATIONS
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* 23. RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .expertise-block { grid-template-columns: 1fr; gap: 2.5rem; }
  .expertise-block__meta { position: static; }
  .expertise-block.reverse { direction: ltr; }
  .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
  .network-cta-box { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
  :root { --section-padding: 4rem 0; }

  .section { padding: 4rem 0; }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }

  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }

  .hero { min-height: 80vh; padding: 8rem 0 4rem; }
  .hero--short { min-height: 45vh; padding: 7rem 0 3rem; }

  .problem-solution { grid-template-columns: 1fr; }
  .ps-card + .ps-card { border-left: none; border-top: 1px solid var(--slate-border); }

  .stats-bar { grid-template-columns: 1fr 1fr; }
  .stat-item:nth-child(1), .stat-item:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,0.1); }
  .stat-item:nth-child(2) { border-left: 1px solid rgba(255,255,255,0.1); }
  .stat-item:nth-child(4) { border-left: 1px solid rgba(255,255,255,0.1); }

  .profiles-grid { grid-template-columns: 1fr; }

  .trust-bar__logos { gap: 0.4rem 1.5rem; }

  .form-row { grid-template-columns: 1fr; }

  .footer__top { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom { flex-direction: column; gap: 0.75rem; text-align: center; }

  .network-cta-box { padding: 2.5rem; }

  .expertise-block__deliverables { grid-template-columns: 1fr; }

  .intl-grid { grid-template-columns: 1fr; }

  .cta-section__buttons { flex-direction: column; align-items: center; }

  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { text-align: center; justify-content: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .form-card { padding: 2rem 1.5rem; }
  .model-card { padding: 2rem; }
}