:root {
  --navy: #1a3352;
  --navy-deep: #0f2238;
  --sky: #2d6a9f;
  --cream: #f7f3eb;
  --stone: #e8e0d2;
  --burgundy: #7a2432;
  --burgundy-light: #9c3344;
  --white: #ffffff;
  --text: #1c2836;
  --text-muted: #5a6573;
  --shadow: 0 18px 50px rgba(15, 34, 56, 0.12);
  --radius: 14px;
  --font-serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-sans: "Source Sans 3", system-ui, sans-serif;
  --accent: var(--burgundy);
  --accent-light: var(--burgundy-light);
  --hero-bg: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 55%, #243f5e 100%);
}

.theme-campaigns {
  --accent: #8b1e2d;
  --accent-light: #a82838;
  --hero-bg: linear-gradient(135deg, #0f2238 0%, #1a3352 40%, #3d1a24 100%);
}

.theme-tech {
  --accent: #2d6a9f;
  --accent-light: #4a8ec4;
  --hero-bg: linear-gradient(135deg, #0a1929 0%, #1a3352 50%, #1e4a6e 100%);
}

.theme-digital {
  --accent: #9a7b4f;
  --accent-light: #b8956a;
  --hero-bg: linear-gradient(135deg, #1a2836 0%, #2a3544 50%, #3d3428 100%);
}

.theme-events {
  --accent: #6b2d5c;
  --accent-light: #8a4078;
  --hero-bg: linear-gradient(135deg, #0f2238 0%, #2a1f3d 55%, #4a2040 100%);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--cream);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.85rem, 3.5vw, 2.5rem);
}

h3 {
  font-size: 1.35rem;
}

p {
  margin: 0 0 1rem;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Header */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  background: rgba(15, 34, 56, 0.88);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
}

.nav-brand {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--white);
}

.nav-parent {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.2s ease;
}

.nav-parent:hover {
  color: rgba(255, 255, 255, 0.85);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--white);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 0.5rem;
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: transform 0.25s ease;
}

/* Hero */

.service-hero {
  padding: 9rem 1.5rem 5rem;
  background: var(--hero-bg);
  color: var(--white);
}

.service-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.service-hero-copy {
  max-width: 540px;
}

.service-eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream);
  border: 1px solid rgba(247, 243, 235, 0.3);
  border-radius: 999px;
}

.service-hero h1 {
  color: var(--white);
  margin-bottom: 1.25rem;
}

.service-tagline {
  font-size: 1.12rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 2rem;
}

.service-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.stat-card {
  padding: 1.25rem 1.5rem;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
}

.stat-card strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.stat-card span {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.65);
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 999px;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  border: 2px solid var(--accent);
}

.btn-primary:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Sections */

section {
  padding: 5rem 1.5rem;
}

.section-label {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-intro {
  max-width: 560px;
  margin: 0 auto 3rem;
  text-align: center;
}

.section-intro p:last-child {
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Services grid */

.services {
  background: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.service-card {
  padding: 2rem;
  background: var(--cream);
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.service-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
  background: var(--white);
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(15, 34, 56, 0.08);
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.98rem;
  margin-bottom: 0;
}

/* Approach */

.approach {
  background: var(--cream);
}

.approach-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.step {
  position: relative;
  padding-top: 0.5rem;
}

.step-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--accent);
  opacity: 0.35;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.step p {
  color: var(--text-muted);
  margin-bottom: 0;
}

/* CTA */

.service-cta {
  background: var(--navy-deep);
  color: var(--white);
}

.service-cta-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.service-cta h2 {
  color: var(--white);
}

.service-cta p {
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 2rem;
}

.service-cta .section-label {
  color: rgba(247, 243, 235, 0.65);
}

.cta-email {
  display: inline-block;
  margin-top: 1.5rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  transition: border-color 0.2s ease;
}

.cta-email:hover {
  border-color: var(--white);
}

/* Footer */

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.5rem;
  background: #0a1929;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s ease;
}

.site-footer a:hover {
  color: var(--white);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

/* Responsive */

@media (max-width: 900px) {
  .service-hero-inner {
    grid-template-columns: 1fr;
  }

  .service-hero-stats {
    max-width: 400px;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    inset: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    background: rgba(15, 34, 56, 0.97);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
  }

  .nav-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-4px) rotate(-45deg);
  }

  section {
    padding: 4rem 1.25rem;
  }

  .service-hero {
    padding-top: 7.5rem;
  }
}
