/* ============================================
   Charles Howard LLC - Main Stylesheet
   ============================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Open Sans', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

a {
  color: var(--color-secondary);
  text-decoration: none;
}

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

ul {
  list-style: none;
}

/* --- Custom Properties --- */
:root {
  --color-primary: #1a1a2e;
  --color-secondary: #c9a84c;
  --color-secondary-dark: #a8893d;
  --color-text: #333333;
  --color-text-light: #ffffff;
  --color-text-muted: #666666;
  --color-bg: #ffffff;
  --color-bg-dark: #1a1a2e;
  --color-bg-light: #f5f5f5;
  --color-border: #dddddd;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Open Sans', Arial, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  --max-width: 1200px;
  --nav-height: 70px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-primary);
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--space-sm);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  margin-bottom: var(--space-sm);
}

h3 {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  margin-bottom: var(--space-xs);
}

p {
  margin-bottom: var(--space-sm);
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

.section {
  padding: var(--space-lg) 0;
}

.section--dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
}

.section--dark h2,
.section--dark h3 {
  color: var(--color-text-light);
}

.section--light {
  background-color: var(--color-bg-light);
}

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

/* --- Header & Navigation --- */
.site-header {
  background-color: var(--color-bg-dark);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-text-light);
  font-weight: 700;
  white-space: nowrap;
}

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

.main-nav ul {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.main-nav a {
  color: var(--color-text-light);
  font-size: 0.9rem;
  padding: var(--space-xs) var(--space-xs);
  transition: color 0.2s;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-secondary);
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-light);
  transition: transform 0.3s;
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

/* Hamburger open state */
.nav-toggle[aria-expanded="true"] .hamburger {
  background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-text-light);
  padding: var(--space-xl) 0;
  min-height: 400px;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 46, 0.7);
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero h1 {
  color: var(--color-text-light);
}

.hero h2 {
  color: var(--color-secondary);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
}

.hero p {
  max-width: 700px;
  font-size: 1.05rem;
  line-height: 1.8;
}

/* Home hero with headshot */
.hero--home {
  background: var(--color-bg-dark);
}

.hero--home .hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-md);
}

.hero--home .hero-headshot {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top;
  border: 3px solid var(--color-secondary);
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-secondary);
  color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-secondary-dark);
  color: var(--color-primary);
}

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

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

/* --- Cards / Grid --- */
.card-grid {
  display: grid;
  gap: var(--space-md);
}

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

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

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

.card {
  background-color: var(--color-bg);
  border-radius: 4px;
  overflow: hidden;
}

.card--dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: var(--space-md);
}

.card--dark h3 {
  color: var(--color-text-light);
}

/* --- Expertise List --- */
.expertise-list {
  display: grid;
  gap: var(--space-sm);
}

.expertise-item {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: var(--space-sm) var(--space-md);
  border-left: 4px solid var(--color-secondary);
  font-size: 1.05rem;
}

/* --- Book Cards --- */
.book-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-md);
  gap: var(--space-sm);
}

.book-card img {
  max-width: 200px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.book-card h3 {
  font-size: 1.15rem;
}

.book-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
}

/* --- Book Detail Layout --- */
.book-detail {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.book-detail-text {
  flex: 1;
  min-width: 0;
}

.book-detail-text h2 {
  margin-bottom: var(--space-xs);
}

.book-detail-subtitle {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 3vw, 1.35rem);
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.book-detail-author {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.book-detail-text ul {
  list-style: disc;
  padding-left: var(--space-md);
  margin-bottom: var(--space-sm);
}

.book-detail-text li {
  margin-bottom: var(--space-xs);
}

.book-detail-aside {
  flex-shrink: 0;
  width: 250px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.book-detail-aside img {
  width: 100%;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.book-detail-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Testimonial List --- */
.testimonial-list {
  max-width: 800px;
  margin: var(--space-md) auto 0;
}

.testimonial-item {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
  margin: 0;
}

.testimonial-item:last-child {
  border-bottom: none;
}

.testimonial-item p {
  font-family: var(--font-heading);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.testimonial-item footer {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.testimonial-item .testimonial-name {
  font-family: var(--font-heading);
  font-style: normal;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
}

.testimonial-item .testimonial-title {
  font-style: italic;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* --- Contact Section --- */
.contact-section {
  position: relative;
  background-size: cover;
  background-position: center;
  color: var(--color-text-light);
  padding: var(--space-xl) 0;
}

.contact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 46, 0.85);
}

.contact-section .container {
  position: relative;
  z-index: 1;
}

.contact-section h2 {
  color: var(--color-text-light);
}

.contact-info {
  margin-bottom: var(--space-md);
}

.contact-info a {
  color: var(--color-secondary);
}

/* --- Forms --- */
.form-group {
  margin-bottom: var(--space-sm);
}

.form-group label {
  display: block;
  margin-bottom: 0.25rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  background-color: var(--color-bg);
  color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 2px rgba(201, 168, 76, 0.2);
}

.form-row {
  display: grid;
  gap: var(--space-sm);
}

.form-success {
  display: none;
  background-color: var(--color-secondary);
  color: var(--color-primary);
  padding: var(--space-sm) var(--space-md);
  border-radius: 3px;
  font-weight: 600;
  text-align: center;
  margin-top: var(--space-sm);
}

.form-success.show {
  display: block;
}

.hidden {
  display: none !important;
}

.contact-form {
  max-width: 600px;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  text-align: center;
  padding: var(--space-md) 0;
  font-size: 0.9rem;
}

/* --- Bio Page --- */
.bio-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.bio-headshot {
  width: 250px;
  height: 320px;
  object-fit: contain;
  object-position: 70% bottom;
  border-radius: 4px;
  border: 3px solid var(--color-secondary);
  padding: 40px 0 0 0;
}

.bio-content {
  max-width: 800px;
  margin: 0 auto;
}

.bio-content h3 {
  margin-top: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-secondary);
}

.bio-content ul {
  list-style: disc;
  padding-left: var(--space-md);
  margin-bottom: var(--space-sm);
}

.bio-content li {
  margin-bottom: var(--space-xs);
}

.resume-link {
  display: inline-block;
  margin: var(--space-sm) 0;
}

/* --- Services Page --- */
.service-card {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: var(--space-md);
  border-radius: 4px;
}

.service-card h3 {
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

/* --- Publications Page --- */
.publication-entry {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.publication-entry:last-child {
  border-bottom: none;
}

.publication-entry h3 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.publication-entry .meta {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.publication-entry p {
  margin-bottom: 0.5rem;
}

/* --- Testimonial Carousel --- */
.testimonials-section h2 {
  margin-bottom: var(--space-md);
}

.testimonial-carousel {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  max-width: 800px;
  margin: 0 auto;
}

.carousel-track {
  flex: 1;
  overflow: hidden;
  position: relative;
  min-height: 280px;
  display: flex;
  align-items: center;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
}

.carousel-slide.active {
  opacity: 1;
  pointer-events: auto;
  position: relative;
}

.carousel-slide blockquote {
  background: var(--color-bg);
  color: var(--color-text);
  padding: var(--space-md);
  border-radius: 4px;
  text-align: center;
  width: 100%;
}

.carousel-slide blockquote p {
  font-family: var(--font-heading);
  font-size: 1rem;
  line-height: 1.7;
  font-style: italic;
  margin-bottom: var(--space-sm);
}

.carousel-slide blockquote footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.testimonial-name {
  font-family: var(--font-heading);
  font-style: normal;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
}

.testimonial-title {
  font-style: italic;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.carousel-arrow {
  background: none;
  border: 2px solid rgba(255, 255, 255, 0.4);
  color: rgba(255, 255, 255, 0.6);
  font-size: 2rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 3px;
  transition: border-color 0.2s, color 0.2s;
  flex-shrink: 0;
  line-height: 1;
}

.carousel-arrow:hover {
  border-color: rgba(255, 255, 255, 0.8);
  color: rgba(255, 255, 255, 0.9);
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: var(--space-sm);
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.2s;
}

.carousel-dot.active {
  background: rgba(255, 255, 255, 0.9);
}

@media (max-width: 767px) {
  .carousel-arrow {
    display: none;
  }

  .carousel-track {
    min-height: 340px;
  }

  .book-detail {
    flex-direction: column;
    align-items: center;
  }

  .book-detail-aside {
    order: -1;
    width: 200px;
  }
}

/* --- Responsive: Tablet (768px+) --- */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }

  .hero--home .hero-content {
    flex-direction: row;
    text-align: left;
  }

  .hero--home .hero-headshot {
    width: 250px;
    height: 250px;
    flex-shrink: 0;
  }

  .card-grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .bio-hero {
    flex-direction: row;
    text-align: left;
  }

  .bio-headshot {
    width: 300px;
    height: 400px;
  }
}

/* --- Responsive: Desktop (1024px+) --- */
@media (min-width: 1024px) {
  body {
    font-size: 18px;
  }

  .section {
    padding: var(--space-xl) 0;
  }

  .card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .card-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }

  .main-nav a {
    padding: var(--space-xs) var(--space-sm);
  }
}

/* --- Responsive: Mobile nav --- */
@media (max-width: 767px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background-color: var(--color-bg-dark);
    padding: var(--space-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .main-nav a {
    display: block;
    padding: var(--space-sm);
  }
}