/*
 * Northbound — Mockup shared design system
 * v1.5 — passe de polish
 * Aligné sur tokens.css et design-system.css de la charte.
 */

:root {
  --nb-encre:  #1A1916;
  --nb-velin:  #F4F0E8;
  --nb-flare:  #FF3D00;
  --nb-brume:  #E8E2D6;
  --nb-pierre: #888074;

  /* Échelle verticale standardisée */
  --pad-section-y: 80px;
  --pad-section-y-lg: 96px;
  --pad-page-hero-top: 96px;
  --pad-page-hero-bottom: 56px;
  --gap-card: 16px;
  --lisere-width: 16px;
  --content-max: 1240px;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  color: var(--nb-encre);
  background: var(--nb-velin);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* === Placeholders === */
/* Base — pour TBD content (citations, copy à venir) */
.placeholder {
  border: 1.5px dashed rgba(26, 25, 22, 0.4);
  background: rgba(26, 25, 22, 0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--nb-pierre);
  text-align: center;
  padding: 12px;
  line-height: 1.5;
}

/* Photo — bloc Encre avec pattern subtil et label discret en bas */
.placeholder--photo {
  position: relative;
  border: none;
  background: var(--nb-encre);
  background-image:
    repeating-linear-gradient(135deg, rgba(244, 240, 232, 0.04) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(45deg, rgba(244, 240, 232, 0.04) 0 1px, transparent 1px 32px);
  color: var(--nb-velin);
  align-items: flex-end;
  justify-content: flex-start;
  padding: 24px;
  text-align: left;
  overflow: hidden;
}
.placeholder--photo::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(26, 25, 22, 0.6) 100%);
  pointer-events: none;
}
.placeholder--photo > * {
  position: relative;
  z-index: 1;
}
.placeholder--photo .placeholder__tag {
  font-size: 10px;
  letter-spacing: 0.2em;
  opacity: 0.55;
  margin-bottom: 2px;
}
.placeholder--photo .placeholder__caption {
  font-size: 10px;
  letter-spacing: 0.05em;
  opacity: 0.75;
  text-transform: none;
  font-weight: 400;
}

/* Logo — bloc Vélin avec nom de marque en Syne, traitement clean */
.placeholder--logo {
  border: 1px solid rgba(26, 25, 22, 0.18);
  background: var(--nb-velin);
  color: var(--nb-encre);
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -0.005em;
  text-transform: none;
  padding: 8px 14px;
  flex-direction: row;
  gap: 0;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}
.placeholder--logo:hover { opacity: 1; }

/* Booking frame — pour Calendly etc */
.placeholder--booking {
  border: 1px solid var(--nb-encre);
  border-left: 2px solid var(--nb-encre);
  background: var(--nb-brume);
  color: var(--nb-encre);
  flex-direction: column;
  gap: 16px;
  padding: 48px;
}

/* === Header === */
.header {
  position: sticky; top: 0; z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 28px;
  background: var(--nb-encre);
  color: var(--nb-velin);
}
.header__wordmark {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  transition: opacity 0.2s ease;
}
.header__wordmark:hover { opacity: 0.85; }
.header__nav { display: flex; gap: 24px; }
.header__nav a {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: opacity 0.2s ease;
  opacity: 0.85;
}
.header__nav a:hover { opacity: 1; }
.header__nav a.is-active { opacity: 1; border-bottom: 1.5px solid var(--nb-flare); padding-bottom: 4px; }
.header__lang {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.header__lang a { opacity: 0.5; transition: opacity 0.2s ease; }
.header__lang a:hover { opacity: 0.85; }
.header__lang a.is-active { opacity: 1; }
.header__lang .sep { opacity: 0.3; }
.header__cta {
  background: var(--nb-flare);
  color: var(--nb-velin);
  border: none;
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: transform 0.2s ease;
}
.header__cta:hover { transform: translateX(4px); }

/* === Section common === */
.section {
  padding: var(--pad-section-y) 28px var(--pad-section-y) 46px;
  position: relative;
}
.section--lg { padding: var(--pad-section-y-lg) 28px var(--pad-section-y-lg) 46px; }
.section::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: var(--lisere-width);
  background: var(--nb-encre);
}
.section--no-lisere::before { display: none; }
.section--bordered { border-top: 1px solid var(--nb-encre); }
.section__inner { max-width: var(--content-max); margin: 0 auto; }

/* === Atoms === */
.label {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--nb-pierre);
  display: block;
  margin-bottom: 16px;
}

.cta-pill {
  display: inline-block;
  background: var(--nb-flare);
  color: var(--nb-velin);
  padding: 14px 24px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: none;
  transition: transform 0.2s ease;
}
.cta-pill:hover { transform: translateX(6px); }

.cta-pill--inverse {
  background: var(--nb-encre);
  color: var(--nb-velin);
}

/* === Page hero === */
.page-hero {
  padding: var(--pad-page-hero-top) 28px var(--pad-page-hero-bottom) 46px;
  position: relative;
}
.page-hero::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: var(--lisere-width);
  background: var(--nb-encre);
}
.page-hero__inner { max-width: var(--content-max); margin: 0 auto; }
.page-hero__title {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(40px, 5.5vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.05em;
  margin-bottom: 24px;
  max-width: 900px;
}
.page-hero__intro {
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 1.55;
  max-width: 640px;
}

/* === Cards (grilles auto-equal-height) === */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--gap-card);
  grid-auto-rows: 1fr;
}

.card {
  background: var(--nb-velin);
  padding: 24px;
  border: 1px solid var(--nb-encre);
  border-left: 2px solid var(--nb-encre);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-2px);
}
.card__icon {
  width: 38px;
  height: 38px;
  background: var(--nb-encre);
  color: var(--nb-velin);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.card__label {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--nb-pierre);
  margin-bottom: 10px;
  line-height: 1.5;
}
.card__title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  line-height: 1.02;
}
.card__body {
  font-size: 13px;
  line-height: 1.55;
  margin-bottom: 18px;
  flex-grow: 1;
}
.card__meta {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--nb-pierre);
  padding-top: 12px;
  border-top: 1px solid rgba(26, 25, 22, 0.18);
  margin-bottom: 10px;
}
.card__link {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: transform 0.2s ease;
  display: inline-block;
}
.card__link:hover { transform: translateX(4px); }

/* === CTA final === */
.cta-final {
  background: var(--nb-encre);
  color: var(--nb-velin);
  padding: var(--pad-section-y-lg) 28px;
}
.cta-final__inner { max-width: var(--content-max); margin: 0 auto; }
.cta-final__title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--nb-velin);
  margin-bottom: 18px;
}
.cta-final__subtitle {
  font-size: 17px;
  line-height: 1.5;
  max-width: 640px;
  margin-bottom: 32px;
  opacity: 0.85;
}
.cta-final__button {
  display: inline-block;
  background: var(--nb-flare);
  color: var(--nb-velin);
  padding: 18px 32px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: transform 0.2s ease;
}
.cta-final__button:hover { transform: translateX(6px); }

/* === Footer === */
.footer {
  background: var(--nb-encre);
  color: var(--nb-velin);
  padding: 56px 28px 32px 28px;
  border-top: 1px solid rgba(244, 240, 232, 0.15);
}
.footer__inner { max-width: var(--content-max); margin: 0 auto; }
.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
  align-items: start;
}
.footer__brand h2 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(36px, 5vw, 56px);
  letter-spacing: -0.06em;
  margin-bottom: 14px;
  line-height: 0.92;
}
.footer__brand p {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 15px;
  font-style: italic;
  line-height: 1.4;
  opacity: 0.85;
  white-space: nowrap;
}
.footer__col h4 {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.65;
  margin-bottom: 12px;
}
.footer__col ul { list-style: none; }
.footer__col li { margin-bottom: 6px; font-size: 13px; }
.footer__col a { transition: opacity 0.2s ease; }
.footer__col a:hover { opacity: 0.7; }
.footer__bottom {
  border-top: 1px solid rgba(244, 240, 232, 0.15);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.5;
}

/* === Responsive === */
@media (max-width: 900px) {
  .footer__top { grid-template-columns: 1fr 1fr; }
  :root {
    --pad-section-y: 64px;
    --pad-section-y-lg: 80px;
    --pad-page-hero-top: 80px;
  }
}
@media (max-width: 600px) {
  .header { padding: 12px 18px; gap: 10px; }
  .header__nav { display: none; }
  .header__wordmark { font-size: 17px; }
  .section { padding: var(--pad-section-y) 18px var(--pad-section-y) 36px; }
  .page-hero { padding: var(--pad-page-hero-top) 18px var(--pad-page-hero-bottom) 36px; }
  .cta-final { padding: 64px 18px; }
  .footer { padding: 48px 18px 24px; }
  .footer__top { grid-template-columns: 1fr; gap: 24px; }
  :root {
    --pad-section-y: 48px;
    --pad-section-y-lg: 64px;
    --pad-page-hero-top: 64px;
    --pad-page-hero-bottom: 40px;
  }
}