/* Hallmark · genre: editorial · macrostructure: Portfolio Grid · theme: Atelier
 * enrichment: none (typography-led; real screenshots pending)
 * nav: N9 Edge-aligned minimal · footer: Ft6 Letter close
 */
@import url("tokens.css");

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

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

body {
  margin: 0;
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration-color: var(--color-rule);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-ink);
  color: var(--color-paper);
  padding: var(--space-sm) var(--space-md);
  z-index: 10;
}
.skip-link:focus {
  left: var(--space-md);
  top: var(--space-md);
}

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

/* ---------- nav (N9 edge-aligned minimal) ---------- */

.nav-edge {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) var(--page-gutter);
  gap: var(--space-md);
}

.wordmark {
  font-family: var(--font-outlier);
  font-size: var(--text-lg);
  font-style: normal;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.cta-outline {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-inline: var(--space-md);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}
.cta-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ---------- reveal (single orchestrated entrance) ---------- */

.reveal {
  opacity: 0;
  transform: translateY(8px);
  animation: reveal var(--dur-long) var(--ease-out) forwards;
  animation-delay: calc(var(--i, 0) * 90ms);
}
@keyframes reveal {
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }
  .reveal { animation-name: reveal; }
}

/* ---------- intro (Atelier: centred heading, single column, negative-space divider) ---------- */

.intro {
  max-width: 50rem;
  margin-inline: auto;
  padding: var(--space-3xl) var(--page-gutter) var(--space-2xl);
  text-align: center;
}

.intro__heading {
  font-family: var(--font-display);
  font-weight: 600;
  font-style: normal;
  font-size: var(--text-tagline);
  line-height: 1.55;
  letter-spacing: 0.01em;
  margin: 0 0 var(--space-lg);
  overflow-wrap: anywhere;
}

.intro__heading .nowrap { white-space: nowrap; }

.intro__sub {
  color: var(--color-muted);
  font-size: var(--text-md);
  max-width: 42ch;
  margin-inline: auto;
}

/* ---------- portfolio grid (macrostructure 18) ---------- */

.grid-section {
  max-width: 68rem;
  margin-inline: auto;
  padding: var(--space-xl) var(--page-gutter) var(--space-3xl);
}

.portfolio-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl) var(--space-lg);
}
@media (min-width: 40rem) {
  .portfolio-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.portfolio-card--featured {
  grid-column: 1 / -1;
}
.portfolio-card--featured .portfolio-card__link {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
@media (min-width: 40rem) {
  .portfolio-card--featured .portfolio-card__link {
    grid-template-columns: 1.1fr 1fr;
    align-items: center;
    gap: var(--space-2xl);
  }
}
.portfolio-card--featured .portfolio-card__thumb {
  aspect-ratio: 16 / 10;
}

.portfolio-card__link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.portfolio-card__thumb {
  aspect-ratio: 4 / 3;
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  overflow: hidden;
}

.portfolio-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.portfolio-card__thumb--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-neutral);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.portfolio-card__body {
  padding-top: var(--space-md);
}

.portfolio-card__tags {
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-muted);
  margin: 0 0 var(--space-2xs);
}

.portfolio-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-style: normal;
  font-size: var(--text-xl);
  margin: 0 0 var(--space-xs);
}

.portfolio-card__desc {
  color: var(--color-muted);
  font-size: var(--text-sm);
  margin: 0 0 var(--space-sm);
}

.portfolio-card__cta {
  display: inline-block;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-rule);
  transition: border-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}
.portfolio-card__link:hover .portfolio-card__cta,
.portfolio-card__link:focus-visible .portfolio-card__cta {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ---------- about teaser ---------- */

.about-teaser {
  max-width: 60ch;
  margin-inline: auto;
  padding: 0 var(--page-gutter) var(--space-3xl);
  text-align: center;
  color: var(--color-muted);
}
.about-teaser a {
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-rule);
  text-decoration: none;
}
.about-teaser a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ---------- footer (Ft6 letter close) ---------- */

.foot-letter {
  padding: var(--space-2xl) var(--page-gutter) var(--space-3xl);
  max-width: 60ch;
  margin-inline: auto;
  border-top: 1px solid var(--color-rule);
}

.foot-letter__close {
  font-family: var(--font-display);
  font-style: normal;
  color: var(--color-muted);
  font-size: var(--text-lg);
  line-height: 1.4;
  margin: var(--space-xl) 0 0;
}

.foot-letter__sign {
  font-style: normal;
  font-weight: 600;
}

.foot-letter__ps {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-top: var(--space-md);
}
.foot-letter__ps a {
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-rule);
  text-decoration: none;
}
.foot-letter__ps a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ---------- case study (macrostructure: Long Document) ---------- */

.case-head {
  max-width: 62ch;
  margin-inline: auto;
  padding: var(--space-xl) var(--page-gutter) 0;
}

.case-back {
  display: inline-block;
  font-size: var(--text-sm);
  color: var(--color-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.case-back:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.case-head__tags {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin: var(--space-lg) 0 var(--space-xs);
}

.case-head__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-style: normal;
  font-size: var(--text-2xl);
  line-height: 1.3;
  margin: 0 0 var(--space-md);
  overflow-wrap: anywhere;
}

.prose {
  max-width: 62ch;
  margin-inline: auto;
  padding: var(--space-lg) var(--page-gutter) var(--space-3xl);
  line-height: 1.75;
}

.prose p {
  margin: 0 0 var(--space-lg);
}

.prose .lede {
  font-size: var(--text-md);
  color: var(--color-ink);
  font-weight: 500;
}

.prose h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-style: normal;
  font-size: var(--text-lg);
  line-height: 1.5;
  margin: var(--space-2xl) 0 var(--space-md);
}

.prose figure {
  margin: var(--space-xl) 0;
}
.prose figure img {
  width: 100%;
  border: 1px solid var(--color-rule);
  border-radius: 4px;
}

/* floating treatment — no fake device chrome, just a soft lift + tighter frame,
   for screenshots that read as "on a screen" without pretending to be a physical shell */
.prose figure.figure--float {
  max-width: 22rem;
  margin-inline: auto;
}
.prose figure.figure--float img {
  border: none;
  border-radius: 20px;
  box-shadow: 0 24px 40px -16px oklch(20% 0.02 55 / 0.32);
}
.prose figcaption {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-top: var(--space-xs);
}

.prose blockquote {
  margin: var(--space-xl) 0;
  padding-left: var(--space-lg);
  border-left: 2px solid var(--color-accent);
  color: var(--color-muted);
  font-size: var(--text-md);
}

.prose a {
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-rule);
  text-decoration: none;
}
.prose a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

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

.demo-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-paper-2);
  border-radius: 999px;
}

.demo-cta__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-inline: var(--space-lg);
  border-radius: 999px;
  background: var(--color-accent);
  color: var(--color-paper) !important;
  font-weight: 600;
  font-size: var(--text-md);
  text-decoration: none !important;
  border: none !important;
  white-space: nowrap;
  transition: transform var(--dur-short) var(--ease-out), filter var(--dur-short) var(--ease-out);
}
.demo-cta__link:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

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

@media (max-width: 30rem) {
  .demo-cta { flex-direction: column; align-items: flex-start; border-radius: 14px; }
}

.case-nav {
  max-width: 62ch;
  margin-inline: auto;
  padding: 0 var(--page-gutter) var(--space-2xl);
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  font-size: var(--text-sm);
}
.case-nav a {
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-rule);
  text-decoration: none;
}
.case-nav a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ---------- about (macrostructure: Letter) ---------- */

.letter {
  max-width: 46em;
  margin-inline: auto;
  padding: var(--space-3xl) var(--page-gutter) var(--space-3xl);
  line-height: 1.8;
}

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

.letter__salutation {
  font-family: var(--font-display);
  font-weight: 600;
  font-style: normal;
  font-size: var(--text-lg);
  line-height: 1.5;
  margin: 0 0 var(--space-xl);
  max-width: 22em;
}

.letter p {
  margin: 0 0 var(--space-lg);
}

.letter a {
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-rule);
  text-decoration: none;
}
.letter a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.letter__divider {
  text-align: center;
  color: var(--color-rule);
  margin: var(--space-2xl) 0;
  letter-spacing: 0.5em;
}

/* ---------- contact (utility page, no macrostructure) ---------- */

.contact {
  max-width: 40em;
  margin-inline: auto;
  padding: var(--space-3xl) var(--page-gutter) var(--space-3xl);
  text-align: center;
}

.contact__heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-style: normal;
  font-size: var(--text-xl);
  margin: 0 0 var(--space-md);
}

.contact__lede {
  color: var(--color-muted);
  font-size: var(--text-md);
  max-width: 32em;
  margin: 0 auto var(--space-2xl);
}

.contact-form {
  text-align: left;
  display: grid;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}
.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}
@media (max-width: 30rem) {
  .contact-form__row { grid-template-columns: 1fr; }
}
.contact-form label {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-bottom: var(--space-2xs);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-ink);
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-radius: 8px;
  padding: var(--space-sm) var(--space-md);
}
.contact-form input:focus-visible,
.contact-form select:focus-visible,
.contact-form textarea:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
}
.contact-form textarea {
  min-height: 8rem;
  resize: vertical;
}
.contact-form__hp {
  position: absolute;
  left: -9999px;
}
.contact-form__submit {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-inline: var(--space-xl);
  border: none;
  border-radius: 999px;
  background: var(--color-accent);
  color: var(--color-paper);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-md);
  cursor: pointer;
  transition: filter var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out);
}
.contact-form__submit:hover { filter: brightness(1.08); transform: translateY(-1px); }
.contact-form__submit:disabled { opacity: 0.6; cursor: default; transform: none; }

.contact-form__status {
  font-size: var(--text-sm);
  margin-top: var(--space-xs);
}
.contact-form__status[data-state="ok"] { color: var(--color-accent); }
.contact-form__status[data-state="err"] { color: var(--color-muted); }

.contact__or {
  text-align: center;
  color: var(--color-muted);
  font-size: var(--text-sm);
  margin: var(--space-2xl) 0 var(--space-md);
}

.contact__email {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 2px solid var(--color-rule);
  padding-bottom: 2px;
  overflow-wrap: anywhere;
}
.contact__email:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.contact__links {
  margin-top: var(--space-2xl);
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  font-size: var(--text-sm);
}
.contact__links a {
  color: var(--color-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--color-rule);
}
.contact__links a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ---------- responsive ---------- */

@media (max-width: 40rem) {
  .intro__heading { font-size: clamp(1.5rem, 6vw, 2rem); }
  .nav-edge { padding-block: var(--space-md); }
}