/* Reset, shared elements, navigation, and accessibility primitives. */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  transition:
    background 0.4s ease,
    color 0.4s ease;
}

body.nav-open {
  overflow: hidden;
}
[hidden] {
  display: none !important;
}
img {
  max-width: 100%;
}
button,
input,
textarea {
  font: inherit;
}
button,
summary,
a {
  -webkit-tap-highlight-color: transparent;
}
svg {
  display: block;
}

::selection {
  background: var(--blush-faint2);
  color: var(--text);
}
::-webkit-scrollbar {
  width: 4px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--blush-dim);
  border-radius: 2px;
}

:where(a, button, summary):focus-visible {
  outline: 2px solid var(--blush-dim);
  outline-offset: 5px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 300;
  padding: 0.8rem 1.2rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--blush-dim);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* Navigation lives above the mobile overlay; its background is a separate layer. */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.4rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  border-bottom: 1px solid var(--border2);
  isolation: isolate;
}

nav::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--surface-alpha);
  backdrop-filter: blur(12px);
}

.nav-logo {
  position: relative;
  z-index: 201;
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--blush-dim);
  letter-spacing: 0.05em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
  list-style: none;
}

.nav-links a {
  display: inline-block;
  padding: 0.5rem 0;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.3s;
}

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

.theme-toggle,
.nav-burger {
  appearance: none;
  background: transparent;
  border: 0;
  width: 44px;
  height: 44px;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  flex-shrink: 0;
  position: relative;
  z-index: 201;
}

.theme-toggle {
  font-size: 1.1rem;
}
.theme-toggle:hover,
.nav-burger:hover {
  color: var(--blush-dim);
}
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 1px;
  background: currentColor;
  transition:
    transform 0.3s,
    opacity 0.3s;
}
.nav-burger.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-burger.open span:nth-child(2) {
  opacity: 0;
}
.nav-burger.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

section {
  padding: 7rem 0;
}
.container,
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 3rem;
}

.section-label {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blush-dim);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.section-label::before {
  content: "";
  display: block;
  width: 1.5rem;
  height: 1px;
  background: var(--blush-dim);
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 3rem;
}

.section-title em,
.contact-left h2 em {
  color: var(--blush);
  font-style: italic;
}

.btn-primary,
.btn-ghost {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--blush);
  color: #1a0c12;
  font-weight: 500;
  border: 1px solid transparent;
  transition:
    background 0.3s,
    transform 0.2s;
}
.btn-primary:hover {
  background: var(--blush-dim);
  transform: translateY(-1px);
}
:root[data-theme="light"] .btn-primary:hover {
  color: #fff;
}
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  transition:
    border-color 0.3s,
    color 0.3s;
}
.btn-ghost:hover {
  border-color: var(--blush-dim);
  color: var(--blush-dim);
}

.closing-line {
  text-align: center;
  padding: 3rem;
  border-top: 1px solid var(--border2);
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--text-dim);
}

footer {
  border-top: 1px solid var(--border2);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.footer-meta {
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

/* Content is visible by default. Only enhanced, motion-safe pages hide it briefly. */
.reveal-enabled .fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.reveal-enabled .fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 {
  transition-delay: 0.1s;
}
.reveal-delay-2 {
  transition-delay: 0.15s;
}
.reveal-delay-3 {
  transition-delay: 0.2s;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal-enabled .fade-up {
    opacity: 1;
    transform: none;
  }
}

@media print {
  nav,
  .skip-link,
  .hero-bg-text,
  .hero-ctas,
  .contact-actions {
    display: none !important;
  }
  body {
    background: #fff;
    color: #111;
  }
  section {
    padding: 2rem 0;
    break-inside: avoid;
  }
  .fade-up {
    opacity: 1 !important;
    transform: none !important;
  }
  #hero {
    min-height: auto;
  }
}