/* ============================================================
   FERRABOIS — Maison de ferronnerie & menuiserie
   Direction : éditorial déco, lignes franches, beaucoup de vide.
   ============================================================ */

:root {
  /* Palette stricte */
  --noir:     #171311;  /* métal forgé, nuit d'atelier */
  --noir-2:   #1d1815;  /* anthracite légèrement plus clair */
  --creme:    #F4EDE4;  /* papier ancien, pierre */
  --creme-2:  #ECE3D6;  /* crème ombrée */
  --noyer:    #5C3A21;  /* bois noyer chaud — accent */
  --chene:    #C19A6B;  /* chêne clair — accent secondaire */
  --graphite: #3A3330;  /* filets fins */

  --rule-dark:  rgba(58, 51, 48, 0.28);
  --rule-light: rgba(23, 19, 17, 0.16);
  --rule-onblk: rgba(244, 237, 228, 0.18);

  /* Typographie */
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Inter", system-ui, -apple-system, sans-serif;
  --mono:  ui-monospace, "SF Mono", "Menlo", "Consolas", monospace;

  /* Rythme */
  --gutter: clamp(1.25rem, 5vw, 6rem);
  --section-y: clamp(5rem, 12vw, 11rem);
}

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

html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

body {
  background: var(--creme);
  color: var(--noir);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.75;
  overflow-x: hidden;
  font-feature-settings: "kern" 1, "liga" 1;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- Typographic primitives ---------- */
.serif { font-family: var(--serif); }

/* Eyebrow / ours de magazine — petites mentions */
.meta {
  font-family: var(--sans);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  line-height: 1.4;
}

/* Marque : Ferra (romain) + bois (italique) */
.mark { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }
.mark i { font-style: italic; }

/* Lien souligné serif — le CTA maison */
.link-serif {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.0625rem;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: opacity 0.4s ease, letter-spacing 0.5s ease;
}
.link-serif:hover { opacity: 0.6; }

/* Bouton à bordure fine, sans fond */
.btn-line {
  display: inline-block;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.125rem;
  padding: 0.9em 1.8em;
  border: 1px solid currentColor;
  transition: background 0.5s ease, color 0.5s ease;
}
.btn-line:hover { background: var(--noir); color: var(--creme); }

/* Filet fin */
.rule { height: 1px; background: var(--rule-light); border: 0; width: 100%; }

/* ---------- Placeholders photo ---------- */
.ph {
  position: relative;
  overflow: hidden;
  background: var(--noir);
  isolation: isolate;
}
.ph__inner {
  position: absolute;
  inset: -12% 0;
  background-color: var(--noir-2);
  background-image:
    repeating-linear-gradient(135deg,
      rgba(244,237,228,0.035) 0px,
      rgba(244,237,228,0.035) 1px,
      transparent 1px,
      transparent 22px);
  will-change: transform;
}
.ph--noyer  .ph__inner { background-color: var(--noyer); }
.ph--chene  .ph__inner {
  background-color: var(--chene);
  background-image:
    repeating-linear-gradient(135deg,
      rgba(23,19,17,0.05) 0px,
      rgba(23,19,17,0.05) 1px,
      transparent 1px,
      transparent 22px);
}
.ph--creme .ph__inner {
  background-color: var(--creme-2);
  background-image:
    repeating-linear-gradient(135deg,
      rgba(23,19,17,0.04) 0px,
      rgba(23,19,17,0.04) 1px,
      transparent 1px,
      transparent 22px);
}
.ph__label {
  position: absolute;
  left: clamp(1rem, 2vw, 1.75rem);
  bottom: clamp(1rem, 2vw, 1.75rem);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  line-height: 1.5;
  color: rgba(244,237,228,0.62);
  max-width: 24ch;
  z-index: 2;
}
.ph--chene .ph__label,
.ph--creme .ph__label { color: rgba(23,19,17,0.5); }

/* Cadre fin autour des placeholders pour l'aspect "planche" */
.ph::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(244,237,228,0.10);
  z-index: 3;
  pointer-events: none;
}
.ph--chene::after,
.ph--creme::after { border-color: rgba(23,19,17,0.10); }

/* Image réelle dans un placeholder — remplace le motif rayé.
   Débord vertical pour laisser de la marge au parallax. */
.ph__img {
  position: absolute;
  inset: -7% 0;
  width: 100%;
  height: 114%;
  object-fit: cover;
  display: block;
  z-index: 1;
  will-change: transform;
}

/* ---------- Animations : fade-in lent ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 1.25s cubic-bezier(.2,.6,.2,1),
              transform 1.25s cubic-bezier(.2,.6,.2,1);
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.12s; }
.reveal[data-delay="2"] { transition-delay: 0.24s; }
.reveal[data-delay="3"] { transition-delay: 0.36s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .ph__inner { transform: none !important; }
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: rgba(244, 237, 228, 0);
  transition: background 0.5s ease, border-color 0.5s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-solid {
  background: rgba(244, 237, 228, 0.94);
  backdrop-filter: saturate(120%) blur(6px);
  border-bottom: 1px solid var(--rule-light);
}
.site-header.on-dark:not(.is-solid) { color: var(--creme); }

.header-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(1rem, 2.2vw, 1.6rem) var(--gutter);
}
.header-mark { font-size: clamp(1.35rem, 2vw, 1.6rem); color: var(--noyer); }
/* Sur le hero (fond sombre), le noyer manque de contraste -> chêne */
.site-header.on-dark:not(.is-solid) .header-mark { color: var(--chene); }

.nav { display: none; }
.nav ul { display: flex; gap: clamp(1.2rem, 2.4vw, 2.4rem); }
.nav a {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color 0.4s ease, border-color 0.4s ease, opacity 0.4s ease;
}
.nav a:hover { color: var(--noyer); border-color: var(--noyer); }
/* Survol sur fond sombre -> chêne, plus lisible */
.site-header.on-dark:not(.is-solid) .nav a:hover { color: var(--chene); border-color: var(--chene); }

@media (min-width: 900px) { .nav { display: block; } }

/* Menu mobile : juste un lien Devis discret */
.header-cta {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}
@media (min-width: 900px) { .header-cta { display: none; } }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  color: var(--creme);
}
.hero .ph { position: absolute; inset: 0; }
.hero__veil {
  position: absolute; inset: 0; z-index: 4;
  background: linear-gradient(to top,
    rgba(23,19,17,0.72) 0%,
    rgba(23,19,17,0.18) 38%,
    rgba(23,19,17,0.08) 100%);
  pointer-events: none;
}
.hero__content {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 5;
  padding: var(--gutter);
  padding-bottom: clamp(2rem, 5vh, 4rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: end;
}
.hero__title {
  font-family: var(--serif);
  font-weight: 360;
  font-size: clamp(2rem, 5.4vw, 4.1rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  max-width: 18ch;
  text-wrap: balance;
}
.hero__title em { font-style: italic; }
.hero__sub { margin-top: 1.1rem; color: rgba(244,237,228,0.82); max-width: 38ch; }
.hero__link { justify-self: start; }

@media (min-width: 900px) {
  .hero__content {
    grid-template-columns: 1fr auto;
    align-items: end;
  }
  .hero__link { justify-self: end; align-self: end; }
}

/* ============================================================
   MANIFESTE
   ============================================================ */
.manifeste {
  padding: var(--section-y) var(--gutter);
  max-width: 1500px;
  margin: 0 auto;
}
.manifeste .meta { color: var(--noyer); margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.manifeste p {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 340;
  font-size: clamp(1.5rem, 3.6vw, 2.9rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
  max-width: 24ch;
  text-wrap: balance;
}
.manifeste p .accent { color: var(--noyer); }
.manifeste .signature {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  max-width: 44ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--graphite);
}

/* ============================================================
   DIPTYQUE — deux métiers
   ============================================================ */
.diptyque { display: grid; grid-template-columns: 1fr; }
@media (min-width: 900px) { .diptyque { grid-template-columns: 1fr 1fr; } }

.metier {
  display: flex;
  flex-direction: column;
  min-height: 88vh;
}
.metier--fer  { background: var(--noir); color: var(--creme); }
.metier--bois { background: var(--creme-2); color: var(--noir); }

.metier__media { position: relative; flex: 1 1 auto; min-height: 46vh; }
.metier__media .ph { position: absolute; inset: 0; }

.metier__body {
  padding: clamp(2rem, 4vw, 3.5rem) var(--gutter) clamp(2.5rem, 5vw, 4rem);
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}
.metier__num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.25rem;
  opacity: 0.7;
}
.metier__title {
  font-family: var(--serif);
  font-weight: 360;
  font-size: clamp(2rem, 3.4vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}
.metier--fer .metier__title  { color: var(--chene); }
.metier--bois .metier__title { color: var(--noyer); }
.metier__desc { max-width: 44ch; line-height: 1.8; opacity: 0.92; }

.ouvrages {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0;
  border-top: 1px solid var(--rule-onblk);
  padding-top: 1.3rem;
  margin-top: 0.3rem;
}
.metier--bois .ouvrages { border-top-color: var(--rule-light); }
.ouvrages li {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding-right: 1.1rem;
  margin-right: 1.1rem;
  position: relative;
  opacity: 0.85;
}
.ouvrages li:not(:last-child)::after {
  content: "·";
  position: absolute;
  right: 0;
  opacity: 0.5;
}
.metier__link { margin-top: 0.6rem; align-self: flex-start; }

/* ============================================================
   RÉALISATIONS
   ============================================================ */
.realisations { padding: var(--section-y) 0; }
.realisations__head {
  padding: 0 var(--gutter);
  max-width: 1500px;
  margin: 0 auto clamp(3rem, 7vw, 6rem);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}
.realisations__head .meta { color: var(--noyer); }
.realisations__head h2 {
  font-family: var(--serif);
  font-weight: 340;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
}
.realisations__head h2 em { font-style: italic; }

.piece { padding: clamp(2.5rem, 6vw, 5rem) var(--gutter); }
.piece__frame {
  max-width: 1320px;
  margin: 0 auto;
}
.piece .ph { width: 100%; aspect-ratio: 3 / 2; }
.piece--tall .ph { aspect-ratio: 4 / 5; max-width: 760px; }
.piece--wide .ph { aspect-ratio: 16 / 9; }

.piece__cap {
  margin-top: 1.4rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.05rem, 1.7vw, 1.4rem);
  line-height: 1.45;
  color: var(--graphite);
  max-width: 52ch;
}
.piece__cap .n { font-style: normal; color: var(--noir); }
.piece--right .piece__frame { margin-right: 0; }
.piece--right .piece__cap { margin-left: auto; text-align: right; }
.piece--right .ph { margin-left: auto; }
@media (min-width: 900px) {
  .piece--narrow .piece__frame { max-width: 980px; }
}

/* ============================================================
   ATELIER — process
   ============================================================ */
.atelier { background: var(--noir); color: var(--creme); padding: var(--section-y) 0; }
.atelier__head {
  padding: 0 var(--gutter);
  max-width: 1500px;
  margin: 0 auto clamp(3rem, 7vw, 6rem);
}
.atelier__head .meta { color: var(--chene); margin-bottom: 1.5rem; }
.atelier__head h2 {
  font-family: var(--serif);
  font-weight: 340;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
  max-width: 16ch;
}
.atelier__head h2 em { font-style: italic; color: var(--chene); }

.step {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  max-width: 1320px;
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 4rem) var(--gutter);
  border-top: 1px solid var(--rule-onblk);
}
.step__text { display: flex; flex-direction: column; gap: 1rem; }
.step__num {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--chene);
}
.step__title {
  font-family: var(--serif);
  font-weight: 360;
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  line-height: 1.08;
}
.step__desc { max-width: 42ch; line-height: 1.85; color: rgba(244,237,228,0.78); }
.step__media { position: relative; }
.step__media .ph { width: 100%; aspect-ratio: 4 / 3; }

@media (min-width: 900px) {
  .step { grid-template-columns: 1fr 1fr; gap: clamp(3rem, 6vw, 6rem); }
  .step--flip .step__text  { order: 2; }
  .step--flip .step__media { order: 1; }
}

/* ============================================================
   ZONE D'INTERVENTION
   ============================================================ */
.zone {
  padding: var(--section-y) var(--gutter);
  max-width: 1500px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}
@media (min-width: 900px) { .zone { grid-template-columns: 0.85fr 1.15fr; } }

.zone__text .meta { color: var(--noyer); margin-bottom: 1.5rem; }
.zone__text h2 {
  font-family: var(--serif);
  font-weight: 340;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin-bottom: 1.4rem;
}
.zone__text h2 em { font-style: italic; }
.zone__text p { max-width: 40ch; line-height: 1.85; color: var(--graphite); }
.zone__list {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 0;
}
.zone__list li {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  position: relative;
  padding-right: 1.1rem;
  margin-right: 1.1rem;
}
.zone__list li:not(:last-child)::after {
  content: "·"; position: absolute; right: 0; opacity: 0.5;
}

.zone__contact {
  margin-top: 2.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--rule-light);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-style: normal;
}
.zone__contact span {
  font-family: var(--sans);
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--graphite);
}
.zone__contact a {
  font-family: var(--sans);
  font-size: 0.92rem;
  color: var(--noyer);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  width: fit-content;
  transition: border-color 0.3s ease;
}
.zone__contact a:hover { border-color: var(--noyer); }

.map-wrap {
  position: relative;
  border: 1px solid var(--rule-light);
  background: var(--creme);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}
.map-wrap svg { width: 100%; height: auto; display: block; }
.map-stroke { fill: none; stroke: var(--graphite); stroke-width: 1; vector-effect: non-scaling-stroke; }
.map-fill   { fill: rgba(193,154,107,0.10); stroke: var(--noyer); stroke-width: 1.25; vector-effect: non-scaling-stroke; }
.map-grid   { stroke: rgba(58,51,48,0.10); stroke-width: 1; vector-effect: non-scaling-stroke; }
.map-ring   { fill: none; stroke: var(--noyer); stroke-width: 1; opacity: 0.5; vector-effect: non-scaling-stroke; }
.map-dot    { fill: var(--noir); }
.map-dot--atelier { fill: var(--noyer); }
.map-label  {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  fill: var(--graphite);
}
.map-label--atelier { fill: var(--noir); font-weight: 600; }

/* ============================================================
   DEVIS
   ============================================================ */
.devis {
  background: var(--creme-2);
  padding: var(--section-y) var(--gutter);
  text-align: center;
}
.devis__inner { max-width: 38ch; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 1.6rem; }
.devis .meta { color: var(--noyer); }
.devis h2 {
  font-family: var(--serif);
  font-weight: 340;
  font-size: clamp(2.4rem, 5.5vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
}
.devis h2 em { font-style: italic; }
.devis p { color: var(--graphite); line-height: 1.85; max-width: 34ch; }
.devis .btn-line { margin-top: 0.6rem; }
.devis__contact {
  margin-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem 2rem;
}
.devis__contact a {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--rule-light);
  padding-bottom: 2px;
}

/* ============================================================
   FOOTER — signature
   ============================================================ */
.site-footer { background: var(--noir); color: var(--creme); padding: clamp(4rem, 9vw, 8rem) var(--gutter) clamp(2rem, 4vw, 3rem); }
.footer-sign {
  font-family: var(--serif);
  font-weight: 330;
  font-size: clamp(3.5rem, 19vw, 18rem);
  line-height: 0.86;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: clamp(2.5rem, 6vw, 5rem);
}
.footer-sign i { font-style: italic; color: var(--chene); }
.footer-meta {
  border-top: 1px solid var(--rule-onblk);
  padding-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem 2rem;
}
.footer-meta .meta { color: rgba(244,237,228,0.55); }
.footer-meta a:hover { color: var(--chene); }

/* ============================================================
   Focus states (accessibilité)
   ============================================================ */
a:focus-visible {
  outline: 2px solid var(--chene);
  outline-offset: 3px;
}