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

:root {
  --bg: #FFFFFF;
  --text: #0A0A0A;
  --muted: #6B6B6B;
  --border: #E5E5E5;
  --nav-h: 64px;
  --radius: 12px;
  --transition: 0.25s ease;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  /* Dark hero palette */
  --hero-bg: #0D0D0D;
  --hero-text: #F5F0E8;
  --hero-muted: rgba(245, 240, 232, 0.55);
  --hero-border: rgba(245, 240, 232, 0.12);

  /* Contact dark palette */
  --contact-bg: #111111;
  --contact-text: #F5F0E8;
  --contact-muted: rgba(245, 240, 232, 0.55);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 768px) {
  .container { padding: 0 40px; }
}

@media (min-width: 1024px) {
  .container { padding: 0 48px; }
}

/* ============================================================
   FADE-IN ON SCROLL
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* stagger children */
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
  height: var(--nav-h);
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
}

/* Nav starts over dark hero — light text */
.nav:not(.scrolled) .nav__wordmark,
.nav:not(.scrolled) .nav__links a {
  color: var(--hero-text);
}

.nav:not(.scrolled) .nav__hamburger span {
  background: var(--hero-text);
}

.nav:not(.scrolled) .nav__links a:hover {
  color: rgba(245, 240, 232, 0.75);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}

.nav__wordmark {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  white-space: nowrap;
}

.nav__links {
  display: none;
  gap: 36px;
  align-items: center;
}

.nav__links a {
  font-size: 14px;
  font-weight: 400;
  color: var(--muted);
  transition: color var(--transition);
}

.nav__links a:hover { color: var(--text); }

@media (min-width: 768px) {
  .nav__links { display: flex; }
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  width: 28px;
}

.nav__hamburger span {
  display: block;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}

.nav__hamburger.open span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}
.nav__hamburger.open span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

@media (min-width: 768px) {
  .nav__hamburger { display: none; }
}

/* Mobile menu */
.nav__mobile {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.nav__mobile.open {
  max-height: 240px;
  padding: 8px 0 16px;
}

.nav__mobile a {
  padding: 12px 24px;
  font-size: 15px;
  color: var(--muted);
  transition: color var(--transition);
}

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

@media (min-width: 768px) {
  .nav__mobile { display: none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 100px 0 96px;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: var(--hero-bg);
  margin-top: calc(-1 * var(--nav-h));
  padding-top: calc(100px + var(--nav-h));
  text-align: center;
}

@media (min-width: 768px) {
  .hero {
    padding-top: calc(120px + var(--nav-h));
    padding-bottom: 112px;
  }
}

.hero__inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.hero__eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--hero-muted);
  margin-bottom: 28px;
}

.hero__headline {
  font-family: var(--font-serif);
  font-size: clamp(52px, 9vw, 96px);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--hero-text);
  margin-bottom: 28px;
}

.hero__sub {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--hero-muted);
  font-weight: 400;
  max-width: 560px;
  line-height: 1.65;
  margin: 0 auto 44px;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--hero-text);
  border-bottom: 1px solid var(--hero-border);
  padding-bottom: 2px;
  transition: opacity var(--transition), gap var(--transition);
}

.hero__cta:hover {
  opacity: 0.6;
  gap: 10px;
}

/* ============================================================
   OUR WORLD
   ============================================================ */
.our-world {
  padding: 96px 0;
  border-top: 1px solid var(--border);
}

@media (min-width: 768px) {
  .our-world { padding: 120px 0; }
}

.our-world__inner {
  display: grid;
  gap: 48px;
}

@media (min-width: 1024px) {
  .our-world__inner {
    grid-template-columns: 200px 1fr;
    align-items: start;
    gap: 80px;
  }
}

.our-world__label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 8px;
}

.our-world__content {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.our-world__headline {
  font-family: var(--font-serif);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 300;
  letter-spacing: 0;
  line-height: 1.12;
  margin-bottom: 32px;
  color: var(--text);
}

.our-world__body p {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 20px;
  max-width: 620px;
}

.our-world__body p:last-child { margin-bottom: 0; }

/* ============================================================
   PORTFOLIO
   ============================================================ */
.portfolio {
  padding: 96px 0;
  border-top: 1px solid var(--border);
}

@media (min-width: 768px) {
  .portfolio { padding: 120px 0; }
}

.portfolio__header {
  display: grid;
  gap: 48px;
  margin-bottom: 64px;
}

@media (min-width: 1024px) {
  .portfolio__header {
    grid-template-columns: 280px 1fr;
    align-items: end;
    gap: 80px;
    margin-bottom: 72px;
  }
}

.portfolio__label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 6px;
}

.portfolio__headline {
  font-family: var(--font-serif);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 300;
  letter-spacing: 0;
  line-height: 1.12;
  color: var(--text);
}

/* Grid */
.portfolio__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 768px) {
  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .portfolio__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Card */
.card {
  background: var(--bg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background var(--transition);
}

.card:hover {
  background: #FAFAFA;
}

.card__top {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-height: 24px;
}

.card__badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 100px;
}

.card__badge--live {
  background: #ECFDF5;
  color: #059669;
}

.card__badge--progress {
  background: #FFF7ED;
  color: #C2410C;
}

.card__badge--soon {
  background: #F5F5F5;
  color: #737373;
}

.card__name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--text);
  flex: none;
}

.card__desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
  flex: 1;
}

.card__footer {
  margin-top: 8px;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  transition: gap var(--transition), opacity var(--transition);
}

.card__link:hover {
  gap: 8px;
  opacity: 0.6;
}

.card__status {
  font-size: 13px;
  color: var(--border);
  font-weight: 400;
}

/* Collective featured card */
.card--collective {
  grid-column: 1 / -1;
}

.collective__arms {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 20px;
  margin-bottom: 8px;
}

@media (min-width: 768px) {
  .collective__arms {
    grid-template-columns: repeat(3, 1fr);
  }
}

.collective__arm {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #FAFAFA;
}

.collective__arm--pulse {
  border-left: 3px solid #059669;
}

.collective__arm--arc {
  border-left: 3px solid #7C3AED;
}

.collective__arm--roam {
  border-left: 3px solid #D97706;
}

.arm__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.collective__arm--pulse .arm__name { color: #059669; }
.collective__arm--arc .arm__name { color: #7C3AED; }
.collective__arm--roam .arm__name { color: #D97706; }

.arm__desc {
  font-size: 12px;
  color: var(--muted);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: 96px 0;
  background: var(--contact-bg);
  border-top: none;
}

@media (min-width: 768px) {
  .contact { padding: 120px 0; }
}

.contact__inner {
  display: grid;
  gap: 48px;
}

@media (min-width: 1024px) {
  .contact__inner {
    grid-template-columns: 420px 1fr;
    align-items: start;
    gap: 80px;
  }
}

.contact__left {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact__label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--contact-muted);
}

.contact__headline {
  font-family: var(--font-serif);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 300;
  letter-spacing: 0;
  line-height: 1.12;
  color: var(--contact-text);
}

.contact__sub {
  font-size: 15px;
  color: var(--contact-muted);
  line-height: 1.65;
  max-width: 340px;
}

/* half-width card for bottom row balance */
.card--half {
  grid-column: span 1;
}

.portfolio__bottom-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border-top: none;
}

/* placeholder card */
.card--placeholder {
  background: #FAFAFA;
  border: 1px dashed var(--border);
}

.card__name--muted {
  color: var(--muted);
  font-style: italic;
}

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form__row {
  display: grid;
  gap: 20px;
}

@media (min-width: 768px) {
  .form__row { grid-template-columns: 1fr 1fr; }
}

.form__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form__field label {
  font-size: 13px;
  font-weight: 500;
  color: var(--contact-text);
  letter-spacing: 0.01em;
}

.form__field input,
.form__field textarea {
  font-family: inherit;
  font-size: 15px;
  color: var(--contact-text);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(245, 240, 232, 0.15);
  border-radius: 8px;
  padding: 12px 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
  width: 100%;
}

.form__field input::placeholder,
.form__field textarea::placeholder {
  color: rgba(245, 240, 232, 0.3);
}

.form__field input:focus,
.form__field textarea:focus {
  border-color: rgba(245, 240, 232, 0.4);
  box-shadow: 0 0 0 3px rgba(245, 240, 232, 0.06);
}

.form__submit {
  align-self: flex-start;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  color: var(--contact-bg);
  background: var(--contact-text);
  border: none;
  border-radius: 8px;
  padding: 13px 32px;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}

.form__submit:hover {
  opacity: 0.82;
}

.form__submit:active {
  transform: scale(0.98);
}

.form__submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-sending {
  display: none;
}

.form__submit.is-sending .btn-text {
  display: none;
}
.form__submit.is-sending .btn-sending {
  display: inline;
}

.form__success {
  font-size: 14px;
  color: #059669;
  font-weight: 500;
  display: none;
}

.form__success.show {
  display: block;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid rgba(245, 240, 232, 0.1);
  padding: 32px 0;
  background: var(--contact-bg);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer__copy {
  font-size: 13px;
  color: rgba(245, 240, 232, 0.4);
}

.footer__links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer__links a {
  font-size: 13px;
  color: rgba(245, 240, 232, 0.4);
  transition: color var(--transition);
}

.footer__links a:hover { color: var(--contact-text); }