/*
Theme Name: F2AF
Theme URI: https://f2af.com
Author: F2AF
Description: Thème officiel F2AF — bâtiment, industrie et levage.
Version: 1.2.0
Text Domain: f2af
Requires at least: 6.4
Requires PHP: 8.0
*/

:root {
  --ink: #0b0c0e;
  --ink-soft: #15171a;
  --steel: #262a2f;
  --gold: #c8a96a;
  --gold-light: #e1c78e;
  --paper: #f3f1ec;
  --white: #fff;
  --muted: #9a9da2;
  --line: rgba(255, 255, 255, 0.15);
  --line-dark: rgba(11, 12, 14, 0.14);
  --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
.admin-bar .site-header { top: 32px; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.container { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 1000; padding: 10px 14px; background: var(--gold); color: var(--ink); transform: translateY(-150%); }
.skip-link:focus { transform: none; }

.site-header {
  position: fixed;
  z-index: 50;
  inset: 0 0 auto;
  min-height: 88px;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--white);
  border-bottom: 1px solid var(--line);
  transition: background .3s ease, min-height .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled { min-height: 72px; background: rgba(11, 12, 14, .94); box-shadow: 0 8px 30px rgba(0, 0, 0, .2); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; min-width: max-content; }
.brand-logo { width: 154px; height: auto; display: block; }
.main-nav { display: flex; align-items: center; gap: clamp(22px, 3vw, 44px); font-size: .88rem; font-weight: 600; letter-spacing: .04em; }
.main-nav > a:not(.nav-cta) { position: relative; padding-block: 10px; }
.main-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 4px; height: 1px; background: var(--gold); transition: right .25s ease; }
.main-nav > a:not(.nav-cta):hover::after, .main-nav > a:not(.nav-cta):focus-visible::after { right: 0; }
.nav-cta { padding: 11px 17px; border: 1px solid rgba(200, 169, 106, .65); color: var(--gold-light); }
.menu-button { display: none; width: 46px; height: 46px; padding: 11px; border: 1px solid var(--line); color: inherit; background: transparent; cursor: pointer; }
.menu-button > span:not(.sr-only) { display: block; width: 100%; height: 1px; margin: 5px 0; background: currentColor; transition: transform .25s ease, opacity .25s ease; }

.hero { position: relative; min-height: 780px; height: 100svh; max-height: 1040px; overflow: hidden; display: flex; align-items: center; color: var(--white); background: var(--ink); }
.hero-media { position: absolute; inset: 0; background: url("./assets/hero-metal-et-pose.png") 52% center / cover no-repeat; transform: scale(1.015); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5, 6, 8, .96) 0%, rgba(5, 6, 8, .82) 36%, rgba(5, 6, 8, .2) 72%, rgba(5, 6, 8, .15) 100%), linear-gradient(0deg, rgba(5, 6, 8, .55), transparent 50%); }
.hero-grid { position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(90deg, transparent calc(100% - 1px), rgba(255, 255, 255, .45) 1px); background-size: calc(100% / 6) 100%; }
.hero-content { position: relative; z-index: 2; padding-top: 72px; }
.eyebrow { margin: 0 0 22px; display: flex; align-items: center; gap: 12px; color: var(--gold-light); font-size: .78rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.eyebrow span { width: 42px; height: 1px; background: currentColor; }
.hero h1, .section-heading h2, .approach h2, .contact h2 { margin: 0; font-family: Poppins, Inter, sans-serif; font-weight: 700; letter-spacing: -.055em; line-height: .98; }
.hero h1 { max-width: 820px; font-size: clamp(3.6rem, 7.3vw, 7rem); }
h1 em, h2 em { color: var(--gold); font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
.hero-copy { max-width: 620px; margin: 30px 0 36px; color: rgba(255, 255, 255, .76); font-size: clamp(1.05rem, 1.6vw, 1.28rem); line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 54px; padding: 14px 22px; display: inline-flex; align-items: center; justify-content: center; gap: 26px; border: 1px solid transparent; font-weight: 700; font-size: .9rem; letter-spacing: .025em; cursor: pointer; transition: background .22s ease, color .22s ease, border-color .22s ease, transform .22s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--gold); color: var(--ink); }
.button-primary:hover, .button-primary:focus-visible { background: var(--gold-light); }
.button-ghost { border-color: rgba(255, 255, 255, .3); color: var(--white); }
.button-ghost:hover, .button-ghost:focus-visible { border-color: var(--gold); color: var(--gold-light); }
.hero-caption { position: absolute; right: max(24px, calc((100vw - var(--max)) / 2)); bottom: 54px; z-index: 2; display: flex; align-items: flex-start; gap: 15px; color: rgba(255, 255, 255, .72); }
.hero-caption > span { color: var(--gold); font: 400 2.8rem/1 Georgia, serif; }
.hero-caption p { margin: 0; font-size: .7rem; line-height: 1.6; letter-spacing: .16em; text-transform: uppercase; }
.scroll-cue { position: absolute; z-index: 3; bottom: 0; left: 50%; display: flex; flex-direction: column; align-items: center; gap: 11px; transform: translateX(-50%); color: rgba(255, 255, 255, .55); font-size: .65rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.scroll-cue i { width: 1px; height: 36px; background: linear-gradient(var(--gold), transparent); }

.capability-bar { background: var(--ink); color: var(--white); border-top: 1px solid var(--line); }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.capability-grid p { margin: 0; padding: 25px 24px; border-right: 1px solid var(--line); font-size: .86rem; font-weight: 600; letter-spacing: .055em; text-transform: uppercase; }
.capability-grid p:first-child { border-left: 1px solid var(--line); }
.capability-grid span { margin-right: 18px; color: var(--gold); font-family: Georgia, serif; font-weight: 400; }

.section { padding: 120px 0; }
.section-heading { display: grid; grid-template-columns: 1.35fr .65fr; gap: 70px; align-items: end; margin-bottom: 62px; }
.eyebrow-dark { color: #8b6e38; }
.section-heading h2, .approach h2 { font-size: clamp(2.55rem, 5vw, 4.8rem); }
.section-heading > p { max-width: 500px; margin: 0 0 4px; color: #555960; font-size: 1.06rem; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.service-card { position: relative; min-height: 360px; padding: 34px; display: flex; flex-direction: column; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); background: rgba(255, 255, 255, .28); overflow: hidden; transition: color .3s ease, background .3s ease, transform .3s ease; }
.service-card::before { content: ""; position: absolute; inset: auto 0 0; height: 3px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .3s ease; }
.service-card:hover { z-index: 1; color: var(--white); background: var(--steel); transform: translateY(-6px); }
.service-card:hover::before { transform: scaleX(1); }
.service-card-featured { color: var(--white); background: var(--ink); }
.service-card-contact { color: var(--white); background: var(--gold); }
.service-card-contact::before { background: var(--ink); }
.service-card .service-number { color: #8b6e38; font-family: Georgia, serif; font-size: 1.05rem; }
.service-card-featured .service-number, .service-card-contact .service-number { color: var(--gold-light); }
.service-card h3 { margin: auto 0 12px; max-width: 270px; font-family: Poppins, Inter, sans-serif; font-size: 1.4rem; line-height: 1.25; }
.service-card p { margin: 0 0 20px; color: #60636a; line-height: 1.6; }
.service-card:hover p, .service-card-featured p { color: rgba(255, 255, 255, .67); }
.service-card-contact p { color: rgba(11, 12, 14, .73); }
.service-card ul { margin: 0; padding: 16px 0 0; display: flex; flex-wrap: wrap; gap: 7px; border-top: 1px solid currentColor; list-style: none; opacity: .66; }
.service-card li { font-size: .72rem; letter-spacing: .03em; }
.service-card li:not(:last-child)::after { content: "·"; margin-left: 7px; }
.service-card-contact a { margin-top: auto; padding-top: 22px; display: flex; justify-content: space-between; border-top: 1px solid rgba(11, 12, 14, .25); font-weight: 800; }

.projects { background: var(--white); overflow: hidden; }
.projects-heading h2 { font-size: clamp(2.55rem, 5vw, 4.8rem); }
.project-reel { border-top: 1px solid var(--line-dark); }
.project-reel + .project-reel { margin-top: 72px; }
.project-reel-header { padding: 26px 0 30px; display: grid; grid-template-columns: 150px 1fr; gap: 25px; align-items: start; }
.project-reel-header > span { color: #8b6e38; font-family: Georgia, serif; font-size: 1rem; }
.project-reel-header h3 { margin: 0 0 5px; font-family: Poppins, Inter, sans-serif; font-size: 1.35rem; line-height: 1.25; }
.project-reel-header p { margin: 0; color: #60636a; }
.filmstrip { position: relative; padding: 18px 0; color: var(--white); background: #07080a; border: 1px solid rgba(11, 12, 14, .25); }
.filmstrip-holes { height: 14px; background: repeating-linear-gradient(90deg, transparent 0 12px, rgba(243, 241, 236, .72) 12px 22px, transparent 22px 34px); }
.film-track { padding: 14px 22px 20px; display: flex; align-items: stretch; gap: 14px; overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: x mandatory; scrollbar-color: var(--gold) #16181b; }
.film-frame { position: relative; flex: 0 0 auto; height: clamp(280px, 36vw, 440px); aspect-ratio: 4 / 3; overflow: hidden; scroll-snap-align: start; background: var(--steel); border: 1px solid rgba(255, 255, 255, .16); }
.film-frame--tall { aspect-ratio: 9 / 16; }
.film-frame--vertical { aspect-ratio: 3 / 4; }
.film-frame--standard { aspect-ratio: 4 / 3; }
.film-frame--panorama { aspect-ratio: 2.165 / 1; }
.film-frame img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform .35s ease, filter .35s ease; }
.film-frame::after { content: "↗"; position: absolute; right: 12px; bottom: 12px; width: 34px; height: 34px; display: grid; place-items: center; color: var(--ink); background: rgba(225, 199, 142, .92); font-weight: 800; opacity: 0; transform: translateY(6px); transition: opacity .25s ease, transform .25s ease; }
.film-frame:hover img, .film-frame:focus-visible img { transform: scale(1.025); filter: brightness(.88); }
.film-frame:hover::after, .film-frame:focus-visible::after { opacity: 1; transform: none; }

.manifesto { padding: 110px 0; color: var(--white); background: var(--ink); overflow: hidden; }
.manifesto-inner { position: relative; }
.manifesto-inner::before { content: ""; position: absolute; top: -110px; bottom: -110px; left: 21%; width: 1px; background: var(--line); }
.manifesto-kicker { margin: 0 0 34px 24%; color: var(--gold); font-size: .72rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.manifesto-text { position: relative; max-width: 1030px; margin: 0; font-family: Poppins, Inter, sans-serif; font-size: clamp(2rem, 4.5vw, 4.6rem); font-weight: 600; letter-spacing: -.045em; line-height: 1.12; }

.approach { background: var(--white); }
.approach-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.approach-intro { position: sticky; top: 120px; align-self: start; }
.approach-intro > p:not(.eyebrow) { max-width: 470px; margin: 30px 0 25px; color: #5a5d63; }
.text-link { display: inline-flex; gap: 25px; padding-bottom: 5px; border-bottom: 1px solid var(--gold); font-weight: 700; }
.text-link span { color: #8b6e38; }
.process-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-dark); }
.process-list li { min-height: 150px; padding: 30px 0; display: grid; grid-template-columns: 80px 1fr; align-items: start; border-bottom: 1px solid var(--line-dark); }
.process-list > li > span { color: #8b6e38; font-family: Georgia, serif; font-size: 1.2rem; }
.process-list h3 { margin: 0 0 8px; font-family: Poppins, Inter, sans-serif; font-size: 1.45rem; }
.process-list p { max-width: 520px; margin: 0; color: #5a5d63; }

.contact { position: relative; overflow: hidden; padding: 120px 0; color: var(--white); background: var(--ink-soft); }
.contact::before { content: ""; position: absolute; inset: 0; opacity: .05; background-image: linear-gradient(90deg, transparent calc(100% - 1px), white 1px); background-size: calc(100% / 8) 100%; }
.contact-watermark { position: absolute; right: -2vw; bottom: -14vw; color: rgba(255, 255, 255, .025); font-family: Poppins, Inter, sans-serif; font-size: min(42vw, 600px); font-weight: 800; letter-spacing: -.15em; line-height: 1; white-space: nowrap; }
.contact-layout { position: relative; display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }
.contact h2 { font-size: clamp(2.8rem, 5vw, 5.2rem); }
.contact-copy > p:not(.eyebrow) { max-width: 460px; margin: 28px 0 42px; color: rgba(255, 255, 255, .65); }
.direct-links { display: grid; gap: 16px; }
.direct-links a, .direct-links > p { margin: 0; padding: 17px 0; display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.direct-links small { margin-bottom: 4px; color: var(--gold); font-size: .69rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.direct-links strong { font-size: 1.02rem; font-weight: 600; }
.direct-links a:hover strong { color: var(--gold-light); }
.quote-form { padding: 44px; color: var(--ink); background: var(--paper); box-shadow: 0 28px 80px rgba(0, 0, 0, .3); }
.quote-form label { display: grid; gap: 7px; margin-bottom: 21px; font-size: .74rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.quote-form input, .quote-form select, .quote-form textarea { width: 100%; border: 0; border-bottom: 1px solid #b6b3ac; border-radius: 0; padding: 10px 2px 12px; color: var(--ink); background: transparent; outline: none; font-size: 1rem; font-weight: 400; letter-spacing: 0; text-transform: none; }
.quote-form textarea { resize: vertical; min-height: 100px; }
.quote-form input:focus, .quote-form select:focus, .quote-form textarea:focus { border-color: #8b6e38; box-shadow: 0 1px 0 #8b6e38; }
.form-submit { width: 100%; border: 0; }
.form-submit:disabled { cursor: wait; opacity: .68; }
.form-note, .form-status { margin: 13px 0 0; color: #686b70; font-size: .76rem; line-height: 1.5; }
.form-status { color: #6f521e; font-weight: 700; }
.form-status.is-success { color: #2f6b45; }
.form-status.is-error { color: #9b2f2f; }
.form-trap { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

.site-footer { padding: 34px 0; color: rgba(255, 255, 255, .68); background: #07080a; border-top: 1px solid var(--line); }
.footer-inner { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 44px; }
.brand-footer { color: var(--white); }
.site-footer p { margin: 0; font-size: .76rem; letter-spacing: .06em; }
.mobile-call { display: none; }

:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 4px; }

@media (max-width: 900px) {
  .menu-button { display: block; }
  .main-nav { position: fixed; inset: 0; z-index: -1; padding: 120px 28px 100px; display: flex; flex-direction: column; align-items: stretch; justify-content: center; gap: 6px; background: rgba(11, 12, 14, .985); opacity: 0; visibility: hidden; transition: opacity .25s ease, visibility .25s ease; }
  .main-nav.is-open { opacity: 1; visibility: visible; }
  .main-nav a { padding: 13px 0; font-size: 1.5rem; border-bottom: 1px solid var(--line); }
  .nav-cta { margin-top: 20px; color: var(--gold-light); border: 1px solid var(--gold) !important; text-align: center; }
  .menu-button[aria-expanded="true"] > span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-button[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .hero { min-height: 720px; }
  .hero-media { background-position: 62% center; }
  .hero-overlay { background: linear-gradient(90deg, rgba(5, 6, 8, .95), rgba(5, 6, 8, .5)), linear-gradient(0deg, rgba(5, 6, 8, .64), transparent 55%); }
  .hero-caption { display: none; }
  .section-heading { grid-template-columns: 1fr; gap: 25px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .project-reel-header { grid-template-columns: 110px 1fr; }
  .approach-layout, .contact-layout { grid-template-columns: 1fr; gap: 70px; }
  .approach-intro { position: static; }
  .footer-inner { grid-template-columns: 1fr; gap: 18px; }
}

@media (max-width: 782px) {
  .admin-bar .site-header { top: 46px; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 32px), var(--max)); }
  .site-header { min-height: 74px; padding-inline: 16px; }
  .brand-logo { width: 136px; }
  .hero { min-height: 690px; align-items: flex-end; padding-bottom: 104px; }
  .hero-media { background-position: 68% center; }
  .hero-overlay { background: linear-gradient(90deg, rgba(5, 6, 8, .93), rgba(5, 6, 8, .32)), linear-gradient(0deg, rgba(5, 6, 8, .86) 0%, transparent 72%); }
  .hero-content { padding-top: 88px; }
  .hero h1 { font-size: clamp(3.1rem, 15vw, 4.7rem); }
  .hero-copy { margin: 24px 0 28px; font-size: 1rem; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .scroll-cue { display: none; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid p, .capability-grid p:first-child { padding: 17px 0; border: 0; border-bottom: 1px solid var(--line); }
  .section { padding: 84px 0; }
  .section-heading { margin-bottom: 42px; }
  .section-heading h2, .approach h2 { font-size: clamp(2.6rem, 13vw, 3.8rem); }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 330px; }
  .project-reel-header { grid-template-columns: 1fr; gap: 8px; }
  .project-reel + .project-reel { margin-top: 56px; }
  .filmstrip { margin-inline: -16px; }
  .film-frame { height: clamp(300px, 105vw, 430px); }
  .manifesto { padding: 82px 0; }
  .manifesto-kicker { margin-left: 0; }
  .manifesto-inner::before { display: none; }
  .process-list li { grid-template-columns: 54px 1fr; }
  .contact { padding: 86px 0 105px; }
  .contact-layout { gap: 50px; }
  .quote-form { margin-inline: -5px; padding: 28px 22px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .site-footer { padding-bottom: 84px; }
  .mobile-call { position: fixed; z-index: 45; inset: auto 12px 12px; min-height: 52px; padding: 12px 18px; display: flex; justify-content: space-between; align-items: center; color: var(--ink); background: var(--gold); box-shadow: 0 12px 35px rgba(0, 0, 0, .28); font-size: .78rem; font-weight: 800; letter-spacing: .04em; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}