/* ==========================================================================
   Diriga Services — styles.css
   Boutique advisory practice. Editorial. Restrained. Serif headlines.
   ========================================================================== */

/* --- Custom Properties --- */
:root {
  --color-primary: #993556;
  --color-primary-light: #FBEAF0;
  --color-surface: #FFFFFF;
  --color-dark: #2C2C2A;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-border: #E5E5E5;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Playfair Display', 'Georgia', serif;
  --radius-lg: 12px;
  --spacing-section: 140px;
  --spacing-section-mobile: 80px;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-dark);
}

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 2.75rem;
  line-height: 1.2;
  color: var(--color-dark);
  letter-spacing: -0.01em;
}

h2 {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 1.125rem;
  line-height: 1.5;
  color: var(--color-dark);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h3 {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-dark);
}

p {
  max-width: 680px;
  margin-bottom: 1.25rem;
}

p:last-child {
  margin-bottom: 0;
}

.pull-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.75rem;
  line-height: 1.4;
  color: var(--color-dark);
  max-width: 720px;
}

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

.section {
  padding: var(--spacing-section-mobile) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--spacing-section) 0;
  }
}

/* --- Brand Bar --- */
.brand-bar {
  background-color: var(--color-dark);
  height: 32px;
  display: flex;
  align-items: center;
  font-size: 0.75rem;
}

.brand-bar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  display: flex;
  gap: 24px;
}

.brand-bar-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.2s ease;
}

.brand-bar-link:hover {
  color: #ffffff;
}

.brand-bar-link.active {
  color: #ffffff;
  font-weight: 700;
}

/* --- Navigation --- */
.nav {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 1.125rem;
  color: var(--color-dark);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-logo:hover {
  color: var(--color-dark);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--color-text-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--color-dark);
}

.nav-links a.nav-active {
  color: var(--color-dark);
  font-weight: 500;
}

.nav-cta {
  display: inline-block;
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.nav-cta:hover {
  background-color: #7a2a45;
  color: #ffffff;
}

/* Hamburger */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-dark);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 24px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

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

.nav-mobile a {
  font-size: 1rem;
  color: var(--color-text);
  padding: 12px 0;
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
}

.nav-mobile a:last-child {
  border-bottom: none;
}

.nav-mobile .nav-cta {
  margin-top: 16px;
  text-align: center;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }
}

/* --- Buttons --- */
.btn-primary {
  display: inline-block;
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 14px 32px;
  border-radius: 6px;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
  font-family: var(--font-sans);
}

.btn-primary:hover {
  background-color: #7a2a45;
  color: #ffffff;
}

.btn-outline {
  display: inline-block;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  padding: 14px 32px;
  border-radius: 6px;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  background: transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
  font-family: var(--font-sans);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* --- Hero --- */
.hero {
  padding: 100px 0 var(--spacing-section-mobile);
  text-align: center;
}

.hero h1 {
  max-width: 780px;
  margin: 0 auto 28px;
}

.hero .hero-subtitle {
  max-width: 560px;
  margin: 0 auto 48px;
  color: var(--color-text-light);
  font-size: 1.0625rem;
  line-height: 1.7;
}

@media (min-width: 768px) {
  .hero {
    padding: 160px 0 var(--spacing-section);
  }

  h1 {
    font-size: 3.4375rem;
  }

  .hero h1 {
    max-width: 860px;
  }
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  padding: 80px 0 60px;
  text-align: center;
}

.page-hero h1 {
  margin-bottom: 20px;
}

.page-hero p {
  max-width: 620px;
  margin: 0 auto;
  color: var(--color-text-light);
  font-size: 1.0625rem;
}

@media (min-width: 768px) {
  .page-hero {
    padding: 120px 0 80px;
  }
}

/* --- Practice Areas Grid --- */
.practice-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

.practice-card h3 {
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.practice-card p {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  margin-bottom: 16px;
}

.practice-card .card-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .practice-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 64px;
  }
}

/* --- Callout Section --- */
.callout {
  background-color: var(--color-primary-light);
  text-align: center;
}

.callout .pull-quote {
  margin: 0 auto;
}

/* --- Engagement Process --- */
.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

.process-step .step-number {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 12px;
  display: block;
}

.process-step h3 {
  margin-bottom: 8px;
}

.process-step p {
  color: var(--color-text-light);
  font-size: 0.9375rem;
}

@media (min-width: 768px) {
  .process-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
  }
}

/* --- Engagement Summaries --- */
.engagement-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

.engagement-card {
  border-left: 3px solid var(--color-primary);
  padding-left: 32px;
}

.engagement-card .engagement-context {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.engagement-card h3 {
  font-size: 1.0625rem;
  margin-bottom: 16px;
}

.engagement-card .engagement-label {
  font-weight: 500;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.engagement-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

@media (min-width: 768px) {
  .engagement-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 64px;
  }
}

/* --- Principals --- */
.principals-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
}

.principal-card {
  text-align: center;
}

.principal-card img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 24px;
  filter: grayscale(30%);
}

.principal-card .principal-name {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 1.125rem;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.principal-card .principal-title {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.principal-card p {
  margin: 0 auto 12px;
  font-size: 0.9375rem;
  color: var(--color-text-light);
  text-align: left;
}

@media (min-width: 768px) {
  .principals-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
  }

  .principal-card img {
    width: 200px;
    height: 200px;
  }
}

/* --- Principals (detail page, expanded layout) --- */
.principal-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
  margin-bottom: 80px;
}

.principal-detail:last-child {
  margin-bottom: 0;
}

.principal-detail-photo img {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto;
  filter: grayscale(30%);
}

.principal-detail-info .principal-name {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 1.25rem;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.principal-detail-info .principal-title {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.principal-detail-info p {
  font-size: 0.9375rem;
  color: var(--color-text);
}

.principal-detail-info .focus-areas {
  margin-top: 24px;
}

.principal-detail-info .focus-areas h3 {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.principal-detail-info .focus-areas span {
  display: inline-block;
  font-size: 0.8125rem;
  color: var(--color-text);
  background: var(--color-primary-light);
  padding: 4px 12px;
  border-radius: 4px;
  margin-right: 8px;
  margin-bottom: 8px;
}

@media (min-width: 768px) {
  .principal-detail {
    grid-template-columns: 240px 1fr;
    gap: 64px;
    align-items: start;
  }

  .principal-detail-photo img {
    margin: 0;
  }
}

/* --- Insights / Article Cards --- */
.insights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

.insight-card {
  border-top: 1px solid var(--color-border);
  padding-top: 32px;
}

.insight-card h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.375rem;
  line-height: 1.35;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.insight-card .insight-meta {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.insight-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.insight-card .card-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .insights-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
  }
}

/* --- CTA Section --- */
.cta-section {
  background-color: var(--color-primary-light);
  text-align: center;
}

.cta-section .pull-quote {
  font-size: 1.5rem;
  margin: 0 auto 40px;
}

/* --- Contact Form --- */
.contact-form {
  max-width: 560px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-info {
  text-align: center;
  margin-top: 48px;
}

.contact-info p {
  margin: 0 auto 8px;
  color: var(--color-text-light);
  font-size: 0.9375rem;
}

.contact-note {
  text-align: center;
  margin-top: 32px;
}

.contact-note p {
  margin: 0 auto;
  color: var(--color-text-light);
  font-size: 0.8125rem;
}

/* --- Engagement Detail (engagements.html) --- */
.engagement-detail {
  border-left: 3px solid var(--color-primary);
  padding-left: 32px;
  margin-bottom: 80px;
}

.engagement-detail:last-child {
  margin-bottom: 0;
}

.engagement-detail .engagement-context {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.engagement-detail h3 {
  font-size: 1.125rem;
  margin-bottom: 24px;
}

.engagement-detail .engagement-label {
  font-weight: 500;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-dark);
  margin-bottom: 6px;
  margin-top: 24px;
}

.engagement-detail .engagement-label:first-of-type {
  margin-top: 0;
}

.engagement-detail p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

/* --- Practice Detail (practice.html) --- */
.practice-detail {
  margin-bottom: 100px;
}

.practice-detail:last-child {
  margin-bottom: 0;
}

.practice-detail h3 {
  font-size: 1.25rem;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.practice-detail p {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.8;
}

.practice-cross-link {
  margin-top: 48px;
  padding: 32px;
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
}

.practice-cross-link p {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin: 0;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 80px 0 0;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-col h4 {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-dark);
  margin-bottom: 16px;
  font-weight: 500;
}

.footer-col p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.6;
  max-width: 280px;
}

.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-light);
  text-decoration: none;
  margin-bottom: 8px;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-col .footer-brand-name {
  font-weight: 500;
  color: var(--color-dark);
  font-size: 1rem;
  margin-bottom: 8px;
}

.footer-family-item {
  margin-bottom: 12px;
}

.footer-family-item a {
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: 2px;
}

.footer-family-item span {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.footer-bottom a {
  color: var(--color-text-light);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1.2fr;
    gap: 64px;
  }
}

/* --- Utility --- */
.text-center {
  text-align: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}