/* Ferivo / Private Landscape Atelier */

:root {
  --ink: #141816;
  --ink-soft: #2a322c;
  --mist: #e7ece8;
  --mist-deep: #d5ddd6;
  --leaf: #8fa63a;
  --leaf-deep: #6f8530;
  --stone: #b7a48a;
  --fog: #f3f5f2;
  --white: #fafbf9;
  --line: rgba(20, 24, 22, 0.14);

  --font-brand: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --font-display: "Petrona", Georgia, serif;
  --font-body: "Jost", "Segoe UI", sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3.5rem;
  --space-xl: 6rem;
  --space-2xl: 9rem;

  --header-h: 4.5rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 72rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(120% 80% at 10% -10%, rgba(143, 166, 58, 0.12), transparent 55%),
    radial-gradient(90% 60% at 100% 20%, rgba(183, 164, 138, 0.18), transparent 50%),
    linear-gradient(180deg, var(--fog) 0%, var(--mist) 45%, var(--fog) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 1000;
  padding: 0.65rem 1rem;
  background: var(--ink);
  color: var(--white);
}

.skip-link:focus {
  top: 1rem;
}

/* Reveal motion */
[data-reveal] {
  opacity: 0;
  transform: translateY(1.75rem);
  transition:
    opacity 0.9s var(--ease),
    transform 0.9s var(--ease);
}

[data-reveal][data-delay="1"] {
  transition-delay: 0.12s;
}

[data-reveal][data-delay="2"] {
  transition-delay: 0.24s;
}

[data-reveal][data-delay="3"] {
  transition-delay: 0.36s;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Header — split nav with centered brand */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease);
}

.site-header.is-scrolled,
body.menu-open .site-header {
  background: rgba(243, 245, 242, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

body.menu-open .nav-brand {
  color: var(--ink);
}

body.menu-open .nav-toggle span {
  background: var(--ink);
}

.nav {
  max-width: var(--max);
  height: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}

.nav-brand {
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
  color: var(--white);
  transition: color 0.35s var(--ease);
}

.site-header.is-scrolled .nav-brand {
  color: var(--ink);
}

.nav-links {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1.75rem;
}

.nav-links a {
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(250, 251, 249, 0.88);
  position: relative;
}

.site-header.is-scrolled .nav-links a {
  color: var(--ink-soft);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.nav-links--left {
  justify-content: flex-start;
}

.nav-links--right {
  justify-content: flex-end;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.4rem;
  width: 2.5rem;
  height: 2.5rem;
  margin-left: auto;
  border: 0;
  background: transparent;
  cursor: pointer;
  grid-column: 3;
  justify-self: end;
}

.nav-toggle span {
  display: block;
  width: 1.35rem;
  height: 1.5px;
  background: var(--white);
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}

.site-header.is-scrolled .nav-toggle span {
  background: var(--ink);
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(0.28rem) rotate(40deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-0.28rem) rotate(-40deg);
}

.mobile-menu {
  position: absolute;
  inset: var(--header-h) 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.25rem 1.5rem 1.75rem;
  background: rgba(243, 245, 242, 0.96);
  border-bottom: 1px solid var(--line);
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu a {
  font-family: var(--font-display);
  font-size: 1.5rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
}

body.menu-open {
  overflow: hidden;
}

/* Hero — full-bleed, brand-first */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  animation: hero-drift 22s ease-in-out infinite alternate;
}

@keyframes hero-drift {
  from {
    transform: scale(1.08) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.14) translate3d(-1.5%, -1%, 0);
  }
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(20, 24, 22, 0.35) 0%, rgba(20, 24, 22, 0.15) 40%, rgba(20, 24, 22, 0.72) 100%),
    linear-gradient(90deg, rgba(20, 24, 22, 0.35) 0%, transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: calc(var(--header-h) + 2rem) 1.5rem 5.5rem;
}

.hero-brand {
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: clamp(4.5rem, 16vw, 10.5rem);
  line-height: 0.85;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.25);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.55rem, 3.4vw, 2.45rem);
  line-height: 1.2;
  max-width: 16ch;
  margin-bottom: 1rem;
}

.hero-lede {
  max-width: 34ch;
  font-size: 1.05rem;
  font-weight: 300;
  color: rgba(250, 251, 249, 0.9);
  margin-bottom: 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem 1.75rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.6rem;
  border: 1px solid transparent;
  background: var(--leaf);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--leaf-deep);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-primary:disabled {
  opacity: 0.75;
  cursor: default;
  transform: none;
}

.btn-text {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(250, 251, 249, 0.55);
  padding-bottom: 0.2rem;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}

.btn-text:hover,
.btn-text:focus-visible {
  border-color: var(--leaf);
  color: var(--leaf);
}

.hero-scroll {
  position: absolute;
  right: 1.5rem;
  bottom: 1.75rem;
  z-index: 1;
  margin: 0;
  writing-mode: vertical-rl;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(250, 251, 249, 0.7);
}

.hero-scroll span {
  display: inline-block;
  animation: scroll-pulse 2.4s var(--ease) infinite;
}

@keyframes scroll-pulse {
  0%,
  100% {
    opacity: 0.45;
    transform: translateY(0);
  }
  50% {
    opacity: 1;
    transform: translateY(0.4rem);
  }
}

/* Grounds — manifesto + figure */
.grounds {
  display: grid;
  gap: var(--space-lg);
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: var(--space-2xl) 1.5rem;
}

.grounds-rail {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.grounds-rail span:first-child {
  font-family: var(--font-brand);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--leaf-deep);
}

.grounds-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.85rem, 4vw, 3rem);
  line-height: 1.2;
  max-width: 18ch;
  margin-bottom: 1.25rem;
}

.grounds-copy {
  max-width: 38ch;
  color: var(--ink-soft);
}

.grounds-figure {
  margin: 0;
}

.grounds-figure img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.02);
}

.grounds-figure figcaption {
  margin-top: 0.75rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* Works — full-bleed bands, not cards */
.works {
  padding: 0 0 var(--space-xl);
}

.works-head {
  width: min(100%, var(--max));
  margin: 0 auto var(--space-lg);
  padding: 0 1.5rem;
}

.works-head h2 {
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 0.95;
  margin-bottom: 0.75rem;
}

.works-head p {
  max-width: 36ch;
  color: var(--ink-soft);
}

.work-band {
  display: grid;
  border-top: 1px solid var(--line);
}

.work-visual {
  min-height: 16rem;
  overflow: hidden;
}

.work-visual img {
  width: 100%;
  height: 100%;
  min-height: 16rem;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}

.work-band:hover .work-visual img {
  transform: scale(1.04);
}

.work-meta {
  padding: var(--space-lg) 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.85rem;
  background: rgba(250, 251, 249, 0.55);
}

.work-index {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--leaf-deep);
}

.work-meta h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.15;
}

.work-meta > p:not(.work-index) {
  max-width: 36ch;
  color: var(--ink-soft);
}

.work-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 0.5rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.work-facts dt {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 0.25rem;
}

.work-facts dd {
  margin: 0;
  font-size: 0.95rem;
}

/* Method — seasonal timeline */
.method {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: var(--space-xl) 1.5rem var(--space-2xl);
}

.method-intro {
  margin-bottom: var(--space-lg);
  max-width: 28rem;
}

.method-intro h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.15;
  margin-bottom: 0.75rem;
}

.method-intro p {
  color: var(--ink-soft);
}

.method-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: step;
  border-top: 1px solid var(--line);
}

.method-step {
  position: relative;
  padding: 1.75rem 0 1.75rem 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 0.4rem;
}

.method-season {
  font-family: var(--font-brand);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--leaf-deep);
}

.method-step h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.45rem;
}

.method-step p {
  max-width: 40ch;
  color: var(--ink-soft);
}

/* Materials marquee */
.palette {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--ink);
  color: var(--mist);
  padding: 1.5rem 0;
}

.palette-track {
  display: flex;
  gap: 1.25rem;
  width: max-content;
  font-family: var(--font-brand);
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  animation: marquee 32s linear infinite;
}

.palette-track span[aria-hidden="true"] {
  color: var(--leaf);
}

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

/* Study — inquiry */
.study {
  display: grid;
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: var(--space-2xl) 1.5rem;
  gap: var(--space-lg);
}

.study-kicker {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--leaf-deep);
  margin-bottom: 0.75rem;
}

.study h2 {
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4rem);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 0.95;
  margin-bottom: 1rem;
}

.study-copy {
  max-width: 36ch;
  color: var(--ink-soft);
  margin-bottom: 2rem;
}

.study-form {
  display: grid;
  gap: 1.1rem;
}

.study-form label {
  display: grid;
  gap: 0.4rem;
}

.study-form label span {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.study-form input,
.study-form textarea {
  width: 100%;
  padding: 0.9rem 0.95rem;
  border: 0;
  border-bottom: 1px solid var(--ink);
  background: transparent;
  border-radius: 0;
  outline: none;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.study-form input:focus,
.study-form textarea:focus {
  background: rgba(143, 166, 58, 0.08);
  border-color: var(--leaf-deep);
}

.study-form textarea {
  resize: vertical;
  min-height: 7rem;
}

.study-form .btn-primary {
  justify-self: start;
  margin-top: 0.5rem;
}

.study-visual {
  overflow: hidden;
  min-height: 18rem;
}

.study-visual img {
  width: 100%;
  height: 100%;
  min-height: 18rem;
  object-fit: cover;
}

/* Footer — asymmetric */
.site-footer {
  border-top: 1px solid var(--line);
  padding: var(--space-xl) 1.5rem var(--space-lg);
  background: linear-gradient(180deg, transparent, rgba(20, 24, 22, 0.04));
}

.footer-brand {
  width: min(100%, var(--max));
  margin: 0 auto var(--space-lg);
}

.footer-wordmark {
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: clamp(3rem, 10vw, 6rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 0.9;
}

.footer-tag {
  margin-top: 0.75rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.footer-cols {
  width: min(100%, var(--max));
  margin: 0 auto;
  display: grid;
  gap: 1.75rem;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--line);
}

.footer-label {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 0.65rem;
}

.footer-cols a,
.footer-cols p {
  display: block;
  margin: 0 0 0.35rem;
  color: var(--ink-soft);
}

.footer-cols a:hover,
.footer-cols a:focus-visible {
  color: var(--leaf-deep);
}

.footer-base {
  width: min(100%, var(--max));
  margin: 1.5rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.footer-note {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--ink);
}

/* Responsive */
@media (min-width: 720px) {
  .nav-links {
    display: flex;
  }

  .nav-toggle,
  .mobile-menu {
    display: none;
  }

  .grounds {
    grid-template-columns: auto 1.2fr 0.9fr;
    align-items: start;
    gap: 2.5rem;
  }

  .grounds-rail {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    height: 12rem;
    justify-content: flex-end;
  }

  .work-band {
    grid-template-columns: 1.15fr 0.85fr;
    min-height: 28rem;
  }

  .work-band--b {
    grid-template-columns: 0.85fr 1.15fr;
  }

  .work-band--b .work-visual {
    order: 2;
  }

  .work-visual,
  .work-visual img {
    min-height: 100%;
    height: 100%;
  }

  .work-meta {
    padding: var(--space-xl) clamp(1.5rem, 4vw, 3.5rem);
  }

  .method-list {
    grid-template-columns: repeat(2, 1fr);
    border-top: 0;
    gap: 0;
  }

  .method-step {
    padding: 2rem 1.5rem 2rem 0;
    border-bottom: 0;
    border-top: 1px solid var(--line);
  }

  .method-step:nth-child(odd) {
    padding-right: 2rem;
    border-right: 1px solid var(--line);
  }

  .method-step:nth-child(even) {
    padding-left: 2rem;
  }

  .footer-cols {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-base {
    flex-direction: row;
    justify-content: space-between;
    align-items: baseline;
  }
}

@media (min-width: 980px) {
  .study {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: stretch;
    gap: 4rem;
  }

  .study-visual,
  .study-visual img {
    min-height: 100%;
    height: 100%;
  }

  .method-list {
    grid-template-columns: repeat(4, 1fr);
  }

  .method-step,
  .method-step:nth-child(odd),
  .method-step:nth-child(even) {
    padding: 2rem 1.25rem 0 0;
    border-right: 1px solid var(--line);
    border-top: 1px solid var(--line);
  }

  .method-step:last-child {
    border-right: 0;
    padding-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}