/* Hallmark · pre-emit critique: P4 H5 E5 S4 R5 V4
 * Hallmark · macrostructure: Marquee Hero (ported) · tone: luxury-editorial · anchor hue: gold 42°
 * theme: studied-DNA (source: user's own Lovable project dqurator-curated-craft)
 * observed-fonts: Cormorant Garamond + DM Sans · observed-accent: hsl(42 49% 54%)
 * studied: yes · nav: wordmark + 3 links + outline CTA (ported) · footer: single-row minimal (ported)
 */

/* ---------- Base ---------- */

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

html, body { overflow-x: clip; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--color-paper);
  color: var(--color-ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 300; overflow-wrap: anywhere; min-width: 0; }

img { max-width: 100%; }

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

::selection { background: hsl(42 49% 54% / 0.25); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.025em;
  padding: var(--space-sm) var(--space-xl);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: none;
  color: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              background-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn:active:not(:disabled) { transform: translateY(1px); }

.btn--gold {
  background: var(--color-gold);
  color: var(--color-gold-ink);
  box-shadow: 0 0 0 0 hsl(42 49% 54% / 0);
}
.btn--gold:hover:not(:disabled) {
  transform: scale(1.03);
  box-shadow: 0 4px 20px -4px hsl(42 49% 54% / 0.4);
}

.btn--ghost {
  border-color: hsl(60 14% 3% / 0.2);
  color: var(--color-ink);
  position: relative;
  overflow: hidden;
}
.btn--ghost::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: bottom right;
  transition: transform var(--dur-fast) var(--ease-out);
}
.btn--ghost:hover::after { transform: scaleX(1); transform-origin: bottom left; }
.btn--ghost:hover { transform: translateY(-1px); }

.btn--ghost-dark {
  border-color: var(--color-on-dark-border);
  color: var(--color-on-dark);
  position: relative;
  overflow: hidden;
}
.btn--ghost-dark::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: bottom right;
  transition: transform var(--dur-fast) var(--ease-out);
}
.btn--ghost-dark:hover::after { transform: scaleX(1); transform-origin: bottom left; }
.btn--ghost-dark:hover { transform: translateY(-1px); }

.btn--sweep {
  border-color: var(--color-gold);
  color: var(--color-gold);
  position: relative;
  overflow: hidden;
  padding: var(--space-xs) var(--space-lg);
}
.btn--sweep::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}
.btn--sweep > * { position: relative; }
.btn--sweep:hover::before { transform: scaleX(1); }
.btn--sweep:hover { color: var(--color-gold-ink); }

.btn--outline-gold {
  border-color: var(--color-gold);
  color: var(--color-gold);
  padding: var(--space-xs) var(--space-lg);
}
.btn--outline-gold:hover { background: var(--color-gold); color: var(--color-gold-ink); }

.btn--block { width: 100%; }

/* ---------- Navbar ---------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: var(--color-paper);
  padding-block: 1.25rem;
  transition: padding var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out);
}
.nav.is-scrolled {
  padding-block: var(--space-sm);
  box-shadow: 0 1px 2px hsl(60 14% 3% / 0.05);
  border-bottom: 1px solid hsl(40 10% 88% / 0.5);
}

.nav__inner {
  max-width: 80rem;
  margin-inline: auto;
  padding-inline: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__brand { display: flex; align-items: center; gap: 0.625rem; text-decoration: none; }

.nav__logo { height: 2.25rem; width: auto; transition: height var(--dur-med) var(--ease-out); }
.nav.is-scrolled .nav__logo { height: 1.75rem; }

.nav__wordmark {
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-ink);
  font-size: var(--text-base);
  transition: font-size var(--dur-med) var(--ease-out);
}
.nav.is-scrolled .nav__wordmark { font-size: var(--text-sm); }

.nav__links { display: none; }

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.025em;
  color: var(--color-muted);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav__link:hover { color: var(--color-ink); }

.nav__cta { display: none; }

.nav__toggle {
  display: inline-flex;
  border: 0;
  background: none;
  color: var(--color-ink);
  cursor: pointer;
  padding: var(--space-2xs);
}
.nav__toggle .nav__icon-close { display: none; }
.nav__toggle[aria-expanded="true"] .nav__icon-open { display: none; }
.nav__toggle[aria-expanded="true"] .nav__icon-close { display: block; }

.nav__mobile {
  border-top: var(--rule-hairline);
  padding: var(--space-lg);
  display: grid;
  gap: var(--space-md);
  justify-items: start;
  background: var(--color-paper);
}
.nav__mobile[hidden] { display: none; }
.nav__mobile-link {
  font-size: var(--text-base);
  color: var(--color-ink);
  text-decoration: none;
}

@media (min-width: 768px) {
  .nav__links { display: flex; align-items: center; gap: 2.5rem; }
  .nav__cta { display: inline-flex; }
  .nav__toggle { display: none; }
  .nav__mobile { display: none !important; }
}

/* ---------- Hero ---------- */

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem var(--space-lg) var(--space-3xl);
  position: relative;
  overflow: hidden;
}

.hero__inner { will-change: transform; }

.hero__eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-xl);
}

.hero__title {
  font-weight: 300;
  font-size: clamp(3rem, 9vw, var(--text-display));
  line-height: 1.05;
  margin-bottom: var(--space-lg);
}

.hero__subline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-xl);
  color: var(--color-muted);
  margin-bottom: var(--space-lg);
}

.hero__descriptor {
  max-width: 36rem;
  margin-inline: auto;
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-muted);
  margin-bottom: 2.5rem;
}

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

@media (min-width: 640px) {
  .hero__ctas { flex-direction: row; }
  .hero__subline { font-size: var(--text-2xl); }
  .hero__descriptor { font-size: var(--text-lg); }
}

/* Hero staggered entrance */
@keyframes hero-fade-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-stagger { opacity: 0; animation: hero-fade-up var(--dur-slow) var(--ease-out) forwards; }
.hero-stagger-1 { animation-delay: 0.1s; }
.hero-stagger-2 { animation-delay: 0.3s; }
.hero-stagger-3 { animation-delay: 0.5s; }
.hero-stagger-4 { animation-delay: 0.7s; }
.hero-stagger-5 { animation-delay: 0.9s; }
.hero-stagger-6 { animation-delay: 1.1s; }

/* ---------- Sections ---------- */

.section-title {
  font-size: var(--text-4xl);
  font-weight: 300;
}

.section-sub { color: var(--color-muted); }

@media (min-width: 768px) {
  .section-title { font-size: var(--text-5xl); }
}

/* Services */

.services {
  padding: var(--space-5xl) var(--space-lg);
  max-width: 80rem;
  margin-inline: auto;
}

.services .section-title { margin-bottom: var(--space-sm); }
.services .section-sub { margin-bottom: var(--space-3xl); }

.services__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
}

@media (min-width: 640px) {
  .services__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .services__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.service-card {
  border-top: var(--rule-accent);
  padding-top: var(--space-lg);
  transition: transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px -8px hsl(42 49% 54% / 0.12);
}

.service-card h3 {
  font-size: var(--text-xl);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.service-card p {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-muted);
}

/* Social proof marquee */

.proof {
  padding: var(--space-4xl) 0;
  overflow: hidden;
}

.proof__label {
  text-align: center;
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-2xl);
  padding-inline: var(--space-lg);
}

.marquee { position: relative; }

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee var(--dur-marquee) linear infinite;
}

.marquee__set { display: flex; align-items: center; }

.marquee__set img {
  margin-inline: 2.5rem;
  height: 2rem;
  width: auto;
  object-fit: contain;
  opacity: 0.6;
  filter: grayscale(1);
  transition: filter var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
.marquee__set img:hover { filter: grayscale(0); opacity: 1; }

@media (min-width: 768px) {
  .marquee__set img { height: 2.5rem; }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* About */

.about {
  padding: var(--space-5xl) var(--space-lg);
  max-width: 48rem;
  margin-inline: auto;
  text-align: center;
}

.about .section-title { margin-bottom: var(--space-2xl); }

.about__body { display: grid; gap: var(--space-lg); }

.about__body p {
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-muted);
}

@media (min-width: 768px) {
  .about__body p { font-size: var(--text-lg); }
}

/* Closing CTA */

.closing {
  background: var(--color-dark);
  padding: var(--space-5xl) var(--space-lg);
  text-align: center;
}

.closing__title {
  color: var(--color-on-dark);
  font-size: var(--text-4xl);
  font-weight: 300;
  max-width: 56rem;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}

@media (min-width: 768px) {
  .closing__title { font-size: var(--text-5xl); }
}
@media (min-width: 1024px) {
  .closing__title { font-size: var(--text-6xl); }
}

.closing__sub {
  color: var(--color-on-dark-muted);
  font-size: var(--text-lg);
  margin-bottom: 2.5rem;
}

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

@media (min-width: 640px) {
  .closing__ctas { flex-direction: row; }
}

/* Footer */

.footer {
  border-top: var(--rule-hairline);
  padding: 2.5rem var(--space-lg);
}

.footer__inner {
  max-width: 80rem;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .footer__inner { flex-direction: row; }
}

.footer__brand { display: flex; align-items: center; gap: var(--space-xs); text-decoration: none; }
.footer__logo { height: 1.5rem; width: auto; }
.footer__wordmark {
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: var(--text-xs);
  color: var(--color-ink);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xl);
}

.footer__links a {
  font-size: var(--text-xs);
  letter-spacing: 0.025em;
  color: var(--color-muted);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
.footer__links a:hover { color: var(--color-ink); }

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

/* ---------- Scroll fade-in ---------- */

.fade-in-section {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) ease-out, transform var(--dur-slow) ease-out;
}
.fade-in-section.visible { opacity: 1; transform: translateY(0); }

.stagger-child {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  transition-delay: calc(var(--stagger-index, 0) * 0.12s);
}
.fade-in-section.visible .stagger-child { opacity: 1; transform: translateY(0); }

/* ---------- Modals ---------- */

.modal {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-paper);
  color: var(--color-ink);
  width: min(32rem, calc(100vw - 2rem));
  padding: var(--space-lg);
  margin: auto;
}

.modal::backdrop { background: var(--color-scrim); }

.modal--book { width: min(28rem, calc(100vw - 2rem)); }

.modal__head { position: relative; margin-bottom: var(--space-md); padding-right: var(--space-xl); }

.modal__title {
  font-size: var(--text-2xl);
  font-weight: 300;
  margin-bottom: var(--space-2xs);
}

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

.modal__close {
  position: absolute;
  top: 0; right: 0;
  border: 0;
  background: none;
  color: var(--color-muted);
  cursor: pointer;
  padding: var(--space-2xs);
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast) var(--ease-out);
}
.modal__close:hover { color: var(--color-ink); }

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

/* Form fields */

#brief-form { display: grid; gap: var(--space-md); }

.field { display: grid; gap: 0.375rem; }

.field label {
  font-size: var(--text-sm);
  font-weight: 500;
}

.field__req { color: var(--color-gold); }

.field input,
.field select,
.field textarea {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-ink);
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.625rem var(--space-sm);
  width: 100%;
  transition: border-color var(--dur-fast) var(--ease-out);
}

.field textarea { resize: none; }

.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--color-muted); }

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 0;
  border-color: var(--color-gold);
}

.field.has-error input,
.field.has-error textarea { border-color: var(--color-error); }

.field__error {
  font-size: var(--text-xs);
  color: var(--color-error);
  min-height: 1em;
}
.field__error:empty { display: none; }

/* Book modal body */

.book__body {
  border-top: var(--rule-hairline);
  margin-inline: calc(-1 * var(--space-lg));
  margin-bottom: calc(-1 * var(--space-lg));
  padding: var(--space-2xl) var(--space-lg);
  background: hsl(40 20% 96% / 0.3);
  display: grid;
  justify-items: center;
  gap: var(--space-md);
  text-align: center;
}

.book__icon {
  width: 3rem; height: 3rem;
  border-radius: 50%;
  background: hsl(42 49% 54% / 0.1);
  color: var(--color-gold);
  display: grid;
  place-items: center;
}

.book__lede { font-family: var(--font-display); font-size: var(--text-lg); }

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-stagger,
  .fade-in-section,
  .stagger-child,
  .marquee__track {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
  .btn, .service-card, .nav, .nav__logo, .nav__wordmark { transition: none !important; }
}