/*
 * Steve McKnight - Main Stylesheet
 * Dark editorial design with warm gold accents
 */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  overflow-x: hidden;
}

/* === ACCESSIBILITY === */
/* Skip to main content link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 1000;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent-gold);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
  outline: 2px solid var(--color-text-primary);
  outline-offset: 2px;
}

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 3px;
}

/* Remove default focus for mouse users */
:focus:not(:focus-visible) {
  outline: none;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

/* Explicit h1 font-size so we don't rely on deprecated UA "section > h1" sizing (H1UserAgentFontSizeInSection). Hero titles override via their classes. */
h1 {
  font-size: var(--text-2xl);
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent-gold);
  margin-bottom: var(--space-lg);
}

.text-accent {
  color: var(--color-accent-gold);
}

/* === UTILITY CLASSES === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.icon-box {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-gold-muted);
  border-radius: var(--radius-md);
  color: var(--color-accent-gold);
  flex-shrink: 0;
}

.icon-box--md { width: 48px; height: 48px; }
.icon-box--lg { width: 64px; height: 64px; border-radius: var(--radius-lg); }

/* Shared section top border */
.section-border::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

/* Shared card hover effect */
.card-hover {
  transition: all var(--transition-base);
  will-change: transform, box-shadow;
}

.card-hover:hover {
  border-color: var(--color-accent-gold);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(212, 168, 83, 0.1);
}

/* Subtle glow effect on hover */
.card-hover::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.15), transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
  z-index: -1;
}

.card-hover:hover::before {
  opacity: 1;
}

/* Ensure cards have relative positioning for pseudo-element */
.quote-card,
.book-card,
.connect-card {
  position: relative;
  overflow: hidden;
}

/* Shared link with arrow animation */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent-gold);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.link-arrow:hover {
  gap: var(--space-md);
  color: var(--color-accent-gold-light);
}

.link-arrow svg {
  transition: transform var(--transition-fast);
}

.link-arrow:hover svg {
  transform: translateX(2px);
}

/* Background texture (shared across pages) - Subtle luxury overlay */
.bg-grain {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(212, 168, 83, 0.02) 0%,
    transparent 40%,
    transparent 60%,
    rgba(255, 255, 255, 0.01) 100%
  );
  pointer-events: none;
}

/* === ANIMATIONS === */
/* Subtle fade-up animation - section containers and hero elements */
[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

/* Hero-specific directional animations */
[data-animate="fade-left"] {
  transform: translateX(50px);
}

[data-animate="fade-right"] {
  transform: translateX(-50px);
}

[data-animate="scale-in"] {
  transform: scale(0.95);
}

/* Animate in state */
[data-animate].animate-in {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.btn--primary {
  background: var(--color-accent-gold);
  color: var(--color-text-inverse);
}

.btn--primary:hover {
  background: var(--color-accent-gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn--ghost {
  border: 1px solid var(--color-border-hover);
  color: var(--color-text-primary);
}

.btn--ghost:hover {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
  background: var(--color-accent-gold-muted);
}

.btn--ghost:active {
  transform: scale(0.98);
}

/* === NAVIGATION === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-lg) 0;
  transition: padding var(--transition-base);
}

.nav--scrolled {
  background: var(--color-bg-primary);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

/* Light mode nav scrolled state */
[data-theme="light"] .nav--scrolled {
  background: var(--color-bg-primary);
}

.nav__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav__link:hover {
  color: var(--color-text-primary);
}

.nav__link--active {
  color: var(--color-accent-gold);
}

.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent-gold);
  border-radius: var(--radius-full);
}

.nav__link {
  position: relative;
}

.nav__link--external svg {
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.nav__link--external:hover svg {
  opacity: 1;
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--color-accent-gold);
  background: var(--color-accent-gold-muted);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

/* Dark mode: show sun (click to switch to light), hide moon */
.theme-toggle .icon-moon { display: none; }
.theme-toggle .icon-sun { display: block; }

/* Light mode (default): show moon (click to switch to dark), hide sun */
[data-theme="light"] .theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }

/* Mobile venture icons - visible on mobile only */
.nav__ventures {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

.nav__venture-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  color: var(--color-text-secondary);
  transition: opacity var(--transition-fast);
}

.nav__venture-icon:hover {
  opacity: 0.85;
}

.nav__venture-icon img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

/* Mobile theme toggle - visible on mobile */
.theme-toggle--mobile {
  display: none;
}

.nav__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav__toggle svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-text-primary);
}

.nav__toggle-line {
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav__toggle--active .nav__toggle-line--top {
  transform: translateY(3.5px) rotate(45deg);
}

.nav__toggle--active .nav__toggle-line--bottom {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--color-bg-primary);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

/* Light mode mobile menu */
[data-theme="light"] .mobile-menu {
  background: var(--color-bg-primary);
}

.mobile-menu--open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.mobile-menu__link:hover {
  color: var(--color-accent-gold);
}

.mobile-menu__link {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s var(--ease-out-expo), 
              transform 0.4s var(--ease-out-expo),
              color var(--transition-fast);
}

.mobile-menu--open .mobile-menu__link {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger animation for mobile menu links */
.mobile-menu--open .mobile-menu__link:nth-child(1) { transition-delay: 100ms; }
.mobile-menu--open .mobile-menu__link:nth-child(2) { transition-delay: 150ms; }
.mobile-menu--open .mobile-menu__link:nth-child(3) { transition-delay: 200ms; }
.mobile-menu--open .mobile-menu__link:nth-child(4) { transition-delay: 250ms; }
.mobile-menu--open .mobile-menu__link:nth-child(5) { transition-delay: 300ms; }
.mobile-menu--open .mobile-menu__link:nth-child(6) { transition-delay: 350ms; }

.mobile-menu__link--active {
  color: var(--color-accent-gold);
}

.mobile-menu__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
}

.mobile-menu__link-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

/* === HERO SECTION === */
.hero {
  min-height: max(90vh, 900px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: var(--space-4xl) 0 var(--space-2xl);
}

.hero__background {
  position: absolute;
  inset: 0;
  z-index: -1;
}

/* Uses .bg-grain utility class */

.hero__glow {
  position: absolute;
  top: -30%;
  right: -20%;
  width: 70%;
  height: 100%;
  background: radial-gradient(
    ellipse at center,
    rgba(212, 168, 83, 0.08) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero__content {
  max-width: 640px;
}

.hero__title {
  font-size: var(--text-5xl);
  font-weight: 500;
  line-height: 1.05;
  margin-bottom: var(--space-xl);
}

.hero__title-accent {
  color: var(--color-accent-gold);
  font-style: italic;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 500px;
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.hero__stats {
  display: flex;
  gap: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.hero__stat {
  display: flex;
  flex-direction: column;
}

.hero__stat-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--color-text-primary);
}

.hero__stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero__image {
  margin-top: var(--space-md);
  position: relative;
  display: flex;
  justify-content: center;
}

.hero__image img {
  width: 100%;
  max-width: 480px;
  height: auto;
  aspect-ratio: 4/5.3;
  object-fit: cover;
  border-radius: var(--radius-xl);
}

/* Scroll Indicator */
.hero__scroll {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-base);
  z-index: 10;
}

/* Preserve centering when animated in */
.hero__scroll.animate-in {
  transform: translateX(-50%) translateY(0);
}

.hero__scroll svg {
  opacity: 0.35;
  color: var(--color-text-muted);
  animation: scroll-bounce 2.5s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(2.5px);
  }
}

/* === PHILOSOPHY SECTION === */
.philosophy {
  padding: var(--space-5xl) 0;
  background: var(--gradient-hero);
  position: relative;
}

/* Uses .section-border::before utility */

.philosophy__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.philosophy__title {
  font-size: var(--text-4xl);
  max-width: 600px;
  margin: 0 auto;
}

.philosophy__content {
  max-width: var(--max-width-content);
  margin: 0 auto var(--space-3xl);
}

.philosophy__intro {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1.5;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2xl);
}

.philosophy__intro em {
  color: var(--color-accent-gold);
  font-style: italic;
}

.philosophy__story {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
}

.philosophy__story p {
  margin-bottom: var(--space-md);
}

.philosophy__quotes-grid {
  max-width: var(--max-width-content);
  margin: 0 auto var(--space-3xl);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
}

.quote-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-xl);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

/* Uses .icon-box.icon-box--md utility */

.quote-card__text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: normal;
  color: var(--color-text-primary);
  line-height: 1.5;
}

.quote-card__cite {
  display: block;
  margin-top: auto;
  padding-top: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: normal;
}

.philosophy__cta {
  max-width: var(--max-width-content);
  margin: var(--space-3xl) auto 0;
  text-align: center;
}

.philosophy__cta p {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  line-height: 1.6;
  text-align: left;
}

/* === ABOUT SECTION === */
.about {
  padding: var(--space-5xl) 0;
  background: var(--color-bg-secondary);
}

.about__container {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.about__header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.about__layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
  align-items: flex-start;
}

.about__image-wrapper {
  position: relative;
}

.about__image-wrapper img {
  width: 100%;
  border-radius: var(--radius-xl);
  aspect-ratio: 4/5.3;
  object-fit: cover;
}

.about__image-border {
  position: absolute;
  inset: 20px;
  border: 1px solid var(--color-accent-gold);
  border-radius: var(--radius-xl);
  opacity: 0.4;
  pointer-events: none;
  z-index: -1;
}

.about__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-2xl);
}

.about__text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
}

.about__text p {
  margin-bottom: var(--space-md);
}

.about__milestone {
  padding: var(--space-xl);
  background: var(--color-accent-gold-muted);
  border-left: 3px solid var(--color-accent-gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.about__milestone blockquote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: normal;
  color: var(--color-text-primary);
  line-height: 1.6;
}

/* === BOOKS SECTION === */
.books {
  padding: var(--space-5xl) 0;
  background: var(--color-bg-primary);
  position: relative;
}

/* Uses .section-border::before utility */

.books__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.books__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-lg);
}

.books__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.books__subtitle a {
  color: var(--color-accent-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity var(--transition-fast);
}

.books__subtitle a:hover {
  opacity: 0.8;
}

.books__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2xl);
}

a.book-card {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.book-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: var(--space-xl);
  padding: var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.book-card:hover {
  box-shadow: var(--shadow-lg);
}

/* Uses .card-hover utility for base hover effects */

.book-card__image {
  position: relative;
  flex-shrink: 0;
}

.book-card__image img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base);
}

.book-card:hover .book-card__image img {
  transform: scale(1.02);
}

.book-card__badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-accent-gold);
  color: var(--color-text-inverse);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
}

.book-card__content {
  display: flex;
  flex-direction: column;
}

.book-card__year {
  font-size: var(--text-xs);
  color: var(--color-accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.book-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.book-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.book-card__meta {
  margin-bottom: var(--space-md);
}

.book-card__sales {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* .book-card__cta uses .link-arrow utility */

/* === CONNECT SECTION === */
.connect {
  padding: var(--space-5xl) 0;
  background: var(--color-bg-secondary);
}

/* .connect__container uses .container utility */

.connect__content {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.connect__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-lg);
}

.connect__text {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.connect__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

.connect-card {
  padding: var(--space-2xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
}

/* Uses .card-hover utility for hover effects */

.connect-card__icon {
  margin-bottom: var(--space-xl);
}

/* Uses .icon-box.icon-box--lg utility */

.connect-card__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-md);
}

.connect-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  flex-grow: 1;
}

/* .connect-card__link uses .link-arrow utility */

/* === CONTACT SECTION === */
.contact {
  padding: var(--space-5xl) 0;
  background: var(--color-bg-primary);
  position: relative;
}

/* Desktop: More compact section */
@media (min-width: 769px) {
  .contact {
    padding: var(--space-4xl) 0;
  }
}

/* Uses .section-border::before utility */

.contact__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.contact__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-lg);
}

.contact__text {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

/* Desktop: More compact header */
@media (min-width: 769px) {
  .contact__header {
    margin-bottom: var(--space-2xl);
  }

  .contact__text {
    font-size: var(--text-base);
    max-width: 480px;
  }
}

.contact__form-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

.contact__form {
  padding: var(--space-2xl);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact__form[hidden] {
  display: none;
}

/* Desktop: Two-column layout with flexbox */
@media (min-width: 769px) {
  .contact__form {
    flex-direction: row;
    gap: var(--space-2xl);
    padding: var(--space-xl) var(--space-2xl);
    align-items: stretch;
  }

  .contact__fields-left {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    flex: 0 0 auto;
    width: 280px;
  }

  .contact__fields-right {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    flex: 1;
  }

  .contact__fields-right .contact__field {
    flex: 1;
  }

  .contact__textarea-wrap {
    flex: 1;
    min-height: 200px;
    display: flex;
  }

  .contact__textarea {
    height: 100%;
    min-height: 200px;
    flex: 1;
  }

  .contact__submit {
    align-self: flex-end;
    margin-left: auto;
  }
}

.contact__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.contact__fields-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact__label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-primary);
}

.contact__optional {
  font-weight: 400;
  color: var(--color-text-muted);
}

.contact__required {
  color: var(--color-accent-gold);
}

.contact__input,
.contact__textarea {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.contact__input::placeholder,
.contact__textarea::placeholder {
  color: var(--color-text-muted);
}

.contact__input:focus,
.contact__textarea:focus {
  border-color: var(--color-accent-gold);
  box-shadow: 0 0 0 3px var(--color-accent-gold-muted);
}

.contact__textarea-wrap {
  position: relative;
}

.contact__textarea-wrap .contact__textarea {
  padding-bottom: 2.25rem;
}

.contact__textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
}

.contact__counter {
  position: absolute;
  bottom: var(--space-sm);
  right: var(--space-md);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: right;
  transition: color var(--transition-fast);
  pointer-events: none;
}

.contact__counter--warn {
  color: var(--color-accent-gold);
}

.contact__counter--over {
  color: #e55;
}

.contact__submit {
  align-self: flex-start;
}

.contact__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.contact__spam-msg {
  font-size: var(--text-sm);
  color: var(--color-accent-gold);
  margin: 0 0 var(--space-md);
}

/* Success state */
.contact__success {
  text-align: center;
  padding: var(--space-3xl) var(--space-2xl);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.contact__success-icon {
  margin: 0 auto var(--space-xl);
}

.contact__success-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text-primary);
}

/* === FINAL CTA === */
.final-cta {
  padding: var(--space-5xl) 0;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

/* Uses .section-border::before utility */

.final-cta__container {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  text-align: center;
}

.final-cta__quote {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-style: normal;
  color: var(--color-accent-gold);
  margin-bottom: var(--space-2xl);
  line-height: 1.4;
}

.final-cta__text {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
}

.final-cta__signature {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text-primary);
}

.final-cta__signature strong {
  display: block;
  font-size: var(--text-2xl);
  color: var(--color-accent-gold);
  margin-top: var(--space-sm);
}

/* === FOOTER === */
.footer {
  padding: var(--space-3xl) 0 var(--space-xl);
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border);
}

/* .footer__container uses .container utility */

.footer__main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-xl);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.footer__nav {
  display: flex;
  gap: var(--space-4xl);
}

.footer__nav-group h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.footer__nav-group a {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.footer__nav-group a:hover {
  color: var(--color-text-primary);
}

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

.footer__copyright {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer__location {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* === BACK TO TOP BUTTON === */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 90;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.back-to-top--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-accent-gold);
  border-color: var(--color-accent-gold);
  color: var(--color-text-inverse);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}

.back-to-top svg {
  transition: transform var(--transition-fast);
}

.back-to-top:hover svg {
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .back-to-top {
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 44px;
    height: 44px;
  }
}

/* === READING PROGRESS BAR === */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-gold), var(--color-accent-gold-light));
  z-index: 101;
  transition: width 50ms linear;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }
  
  .hero__content {
    max-width: 100%;
  }
  
  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero__actions {
    justify-content: center;
  }
  
  .hero__stats {
    justify-content: center;
  }
  
  .hero__image {
    order: -1;
  }
  
  .hero__image img {
    max-width: 320px;
  }
  
  .about__layout {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .about__image-wrapper {
    max-width: 400px;
    margin: 0 auto;
  }
  
  .books__grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }
  
  .connect__cards {
    grid-template-columns: 1fr;
    max-width: 500px;
  }
}

@media (max-width: 768px) {
  body {
    line-height: 1.6;
  }

  .nav__links {
    display: none;
  }

  .nav__ventures {
    display: flex;
    margin-left: auto;
    margin-right: var(--space-md);
  }
  
  .theme-toggle--mobile {
    display: flex;
    margin-right: var(--space-md);
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .hero {
    min-height: auto;
    padding: calc(var(--space-4xl) + 20px) 0 var(--space-2xl);
  }
  
  .hero__container {
    gap: var(--space-xl);
  }
  
  .hero__image img {
    max-width: 260px;
  }
  
  .hero__title {
    margin-bottom: var(--space-md);
  }
  
  .hero__subtitle {
    margin-bottom: var(--space-xl);
  }
  
  .hero__actions {
    margin-bottom: var(--space-xl);
  }
  
  .hero__stats {
    gap: 0;
    justify-content: space-between;
    padding-top: var(--space-lg);
  }
  
  .hero__stat {
    align-items: center;
    text-align: center;
    flex: 1;
  }
  
  .hero__scroll {
    display: none;
  }
  
  .philosophy__header,
  .books__header,
  .connect__content {
    margin-bottom: var(--space-2xl);
  }
  
  .philosophy__quotes-grid {
    margin-top: var(--space-2xl);
    gap: var(--space-md);
  }
  
  .quote-card {
    padding: var(--space-lg);
  }
  
  .books__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-md);
    max-width: none;
  }
  
  .book-card {
    grid-template-columns: 1fr;
    padding: var(--space-md);
    gap: var(--space-sm);
    text-align: center;
  }
  
  .book-card__image {
    width: 100%;
    max-width: 118px;
    margin: 0 auto;
  }
  
  .book-card__image img {
    width: 100%;
    height: auto;
    max-height: 156px;
    object-fit: cover;
    object-position: top;
  }
  
  .book-card__content {
    text-align: center;
    align-items: center;
  }
  
  .book-card__year {
    margin-bottom: var(--space-xs);
  }
  
  .book-card__title {
    font-size: var(--text-sm);
    margin-bottom: var(--space-xs);
    line-height: 1.25;
  }
  
  .book-card__description {
    font-size: var(--text-xs);
    line-height: 1.45;
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
  }
  
  .book-card__meta {
    margin-bottom: var(--space-xs);
  }
  
  .book-card__cta {
    justify-content: center;
    font-size: var(--text-xs);
  }
  
  .book-card__cta svg {
    width: 12px;
    height: 12px;
  }
  
  .connect__cards {
    gap: var(--space-lg);
  }
  
  .connect-card {
    padding: var(--space-xl);
  }
  
  .connect-card__icon {
    margin-bottom: var(--space-md);
  }
  
  .connect-card__text {
    margin-bottom: var(--space-md);
  }

  .contact__header {
    margin-bottom: var(--space-2xl);
  }

  .contact__form {
    padding: var(--space-xl);
    gap: var(--space-lg);
  }

  .contact__submit {
    align-self: stretch;
    justify-content: center;
    min-height: 48px;
  }

  .final-cta__quote {
    margin-bottom: var(--space-xl);
  }
  
  .final-cta__text {
    margin-bottom: var(--space-xl);
  }
  
  .footer {
    padding: var(--space-2xl) 0 var(--space-lg);
  }
  
  .footer__main {
    flex-direction: column;
    gap: var(--space-xl);
    padding-bottom: var(--space-xl);
    margin-bottom: var(--space-md);
  }
  
  .footer__nav {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
    /* Ensure minimum touch target size */
    min-height: 48px;
  }

  .books__grid {
    gap: var(--space-sm);
  }
  
  .book-card__image {
    max-width: 94px;
  }
  
  .book-card__image img {
    max-height: 124px;
  }
  
  /* Improve touch targets on mobile */
  .nav__link,
  .footer__nav-group a {
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  
  .mobile-menu__link {
    padding: var(--space-sm) 0;
  }
  
  /* Better spacing for mobile stats */
  .hero__stats {
    padding-top: var(--space-md);
    gap: 0;
  }
  
  .hero__stat {
    padding: 0;
  }
}

/* Touch device hover states - prevent sticky hover */
@media (hover: none) and (pointer: coarse) {
  .card-hover:hover {
    transform: none;
    box-shadow: none;
  }
  
  .card-hover:hover::before {
    opacity: 0;
  }
  
  .btn--primary:hover {
    transform: none;
    box-shadow: none;
  }
  
  .card-hover:active {
    transform: scale(0.98);
    border-color: var(--color-accent-gold);
  }
}