/* === Reusable UI Components === */

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: var(--space-md) 0;
  transition: transform var(--duration-normal) var(--ease-smooth),
              background var(--duration-normal) var(--ease-out);
}

.nav--scrolled {
  background: rgba(227, 211, 196, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border);
}

.nav--hidden {
  transform: translateY(-100%);
}

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

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

.nav__logo-mark {
  width: 36px;
  height: 36px;
}

.nav__logo-text {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: var(--fw-regular);
  letter-spacing: 0.02em;
  color: var(--color-primary);
}

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

.nav__link {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  position: relative;
  transition: color var(--duration-fast) var(--ease-out);
}

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

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--duration-normal) var(--ease-smooth);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__cta {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  padding: 0.6em 1.4em;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-pill);
  transition: all var(--duration-normal) var(--ease-smooth);
}

.nav__cta:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* Mobile Nav Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  transition: all var(--duration-normal) var(--ease-smooth);
}

.nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 5px);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -5px);
}

/* Mobile Menu */
.nav__mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  z-index: calc(var(--z-nav) - 1);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-slow) var(--ease-smooth);
}

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

.nav__mobile-menu a {
  font-family: var(--font-serif);
  font-size: var(--fs-h2);
  color: var(--color-primary);
  transition: color var(--duration-fast);
}

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 1em 2em;
  border-radius: var(--radius-pill);
  transition: all var(--duration-normal) var(--ease-smooth);
  cursor: pointer;
  border: none;
}

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

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

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--bg-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Scroll Progress Indicator */
.scroll-progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2.5px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  transition: width 0.1s ease-out;
  z-index: 10;
}

.btn--gold {
  background: var(--color-accent);
  color: var(--color-white);
}

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

.btn--text {
  background: none;
  padding: 0;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  position: relative;
}

.btn--text::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-accent);
  transition: transform var(--duration-normal) var(--ease-smooth);
  transform-origin: left;
}

.btn--text:hover::after {
  transform: scaleX(1.1);
}

.btn__arrow {
  display: inline-block;
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* --- Dividers --- */
.divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  border: none;
}

.divider--accent {
  background: var(--color-accent);
  opacity: 0.4;
}

.divider--short {
  width: 60px;
}

.divider--center {
  margin-left: auto;
  margin-right: auto;
}

/* --- Editorial Image Containers --- */
.img-editorial {
  overflow: hidden;
  position: relative;
}

.img-editorial img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slower) var(--ease-smooth);
}

.img-editorial:hover img {
  transform: scale(1.03);
}

.img-editorial--round {
  border-radius: var(--radius-round);
}

.img-editorial--arch {
  border-radius: 50% 50% var(--radius-md) var(--radius-md);
}

.img-editorial--rounded {
  border-radius: var(--radius-xl);
}

.img-editorial--doorway {
  border-radius: 48% 48% var(--radius-sm) var(--radius-sm);
  aspect-ratio: 3/4;
}

/* --- Paper Texture Overlay --- */
.paper-texture::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
  pointer-events: none;
  z-index: 0;
}

.paper-texture > * {
  position: relative;
  z-index: 1;
}

/* --- Annotation (handwritten note) --- */
.annotation {
  font-family: var(--font-hand);
  font-size: var(--fs-hand);
  color: var(--color-accent);
  transform: rotate(-3deg);
  display: inline-block;
}

.annotation--right {
  transform: rotate(2deg);
}

.annotation--subtle {
  opacity: 0.7;
}

/* --- Section Header --- */
.section-header {
  margin-bottom: var(--space-2xl);
}

.section-header__label {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.section-header__label::before {
  content: '';
  display: inline-block;
  width: 40px;
  height: 1px;
  background: var(--color-accent);
}

.section-header__title {
  font-family: var(--font-serif);
  font-size: var(--fs-h1);
}

/* --- Card --- */
.card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-editorial);
  transition: transform var(--duration-normal) var(--ease-smooth),
              box-shadow var(--duration-normal) var(--ease-smooth);
}

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

/* --- Form Elements --- */
.form-group {
  position: relative;
  margin-bottom: var(--space-lg);
}

.form-input {
  width: 100%;
  padding: var(--space-sm) 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  color: var(--color-text);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.form-input:focus {
  border-bottom-color: var(--color-primary);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-label {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
  display: block;
}

.form-textarea {
  width: 100%;
  min-height: 120px;
  padding: var(--space-sm) 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  color: var(--color-text);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  outline: none;
  resize: vertical;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.form-textarea:focus {
  border-bottom-color: var(--color-primary);
}

/* --- Accordion --- */
.accordion__item {
  border-bottom: 1px solid var(--color-border);
}

.accordion__trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
}

.accordion__question {
  font-family: var(--font-serif);
  font-size: var(--fs-h4);
  font-weight: var(--fw-regular);
  color: var(--color-text);
  transition: color var(--duration-fast);
  padding-right: var(--space-md);
}

.accordion__trigger:hover .accordion__question {
  color: var(--color-primary);
}

.accordion__icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--duration-normal) var(--ease-smooth);
}

.accordion__item.active .accordion__icon {
  transform: rotate(45deg);
}

.accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-smooth);
}

.accordion__answer {
  padding-bottom: var(--space-lg);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--color-text-light);
  max-width: 600px;
}

/* --- Tag/Pill --- */
.tag {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4em 1em;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  transition: all var(--duration-fast) var(--ease-out);
  cursor: pointer;
  background: transparent;
}

.tag:hover,
.tag.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(12, 91, 93, 0.05);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__cta {
    display: none;
  }
}