/* =========================================================
   DST Rénov — Style
   Palette : crème, terre cuite, vert sauge, teal pétrole
   Typo : Fraunces (display serif) + Satoshi (sans-serif)
   ========================================================= */

/* ---------- Design tokens ---------- */
:root, [data-theme="light"] {
  /* Type scale (fluid) */
  --text-xs:   clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl:  clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(2.75rem, 0.5rem + 6vw, 6.5rem);

  /* Spacing 4px base */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Color — concept-driven (foyer chaleureux + technique) */
  --color-bg:            #F7F1E8;      /* crème chaude */
  --color-surface:       #FAF5ED;      /* crème plus claire */
  --color-surface-2:     #FCF9F3;      /* surface très claire */
  --color-surface-offset:#EFE6D6;      /* sable */
  --color-surface-deep:  #E7DCC7;      /* sable profond */
  --color-divider:       #DCCFB5;
  --color-border:        #C9B995;

  --color-text:          #1F2A2A;      /* gris encre (presque noir teal) */
  --color-text-muted:    #6B6358;
  --color-text-faint:    #A79D8D;
  --color-text-inverse:  #FAF5ED;

  --color-primary:       #0B4F56;      /* teal pétrole profond */
  --color-primary-hover: #0E6771;
  --color-primary-active:#083B40;
  --color-primary-soft:  #D3DFDC;

  --color-clay:          #C76F3E;      /* terre cuite ocre — accent chaleur */
  --color-clay-hover:    #AE5A2E;
  --color-clay-soft:     #F1DFCE;

  --color-sage:          #8B9F7F;      /* vert sauge */
  --color-sage-soft:     #DCE3D3;

  --color-success:       #4A7C3E;
  --color-error:         #A14432;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows (warm) */
  --shadow-sm: 0 1px 2px rgba(58, 43, 20, 0.06);
  --shadow-md: 0 4px 16px rgba(58, 43, 20, 0.08);
  --shadow-lg: 0 18px 40px rgba(58, 43, 20, 0.12);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 1040px;
  --content-wide: 1240px;

  /* Transitions */
  --transition: 220ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Fonts */
  --font-display: 'Fraunces', 'Instrument Serif', Georgia, serif;
  --font-body:    'Satoshi', 'Inter', 'Helvetica Neue', sans-serif;
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  hanging-punctuation: first last;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  font-weight: 400;
  overflow-x: hidden;
}

img, picture, video, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  line-height: 1.1;
  font-weight: 400;
}

p { text-wrap: pretty; max-width: 68ch; }

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

::selection { background: var(--color-primary-soft); color: var(--color-text); }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

button {
  cursor: pointer;
  background: none;
  border: none;
  font: inherit;
  color: inherit;
}

a, button, [role="button"], input, textarea, select, label {
  transition:
    color var(--transition),
    background var(--transition),
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition),
    opacity var(--transition);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.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;
}

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-10));
}
.container--narrow { max-width: var(--content-narrow); }
.container--default { max-width: var(--content-default); }

section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 500;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--color-primary);
  display: inline-block;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-top: var(--space-4);
  margin-bottom: var(--space-5);
  color: var(--color-text);
}
.section-title em {
  font-style: italic;
  color: var(--color-clay);
  font-weight: 300;
}
.section-lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: 1.55;
}

.section-header {
  margin-bottom: var(--space-16);
  max-width: 720px;
}
.section-header--center {
  margin-inline: auto;
  text-align: center;
}
.section-header--center .eyebrow::before { display: none; }
.section-header--center .eyebrow { justify-content: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.95rem 1.6rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
  text-align: center;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--secondary:hover {
  background: var(--color-surface-offset);
  border-color: var(--color-text);
}
.btn--clay {
  background: var(--color-clay);
  color: #fff;
}
.btn--clay:hover {
  background: var(--color-clay-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn .arrow {
  transition: transform var(--transition);
}
.btn:hover .arrow { transform: translateX(4px); }

.tel-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 500;
  color: var(--color-primary);
}
.tel-link:hover { color: var(--color-primary-hover); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
.site-header.is-scrolled {
  border-color: var(--color-divider);
  background: color-mix(in oklab, var(--color-bg) 94%, transparent);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}
.logo {
  display: inline-flex;
  align-items: center;
  color: var(--color-primary);
  height: 40px;
}
.logo svg { height: 36px; width: auto; }

.nav { display: none; align-items: center; gap: var(--space-8); }
.nav a {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
  position: relative;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav a:hover::after { transform: scaleX(1); }

.header-cta { display: none; }

.mobile-toggle {
  display: inline-flex;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text);
}
.mobile-toggle:hover { background: var(--color-surface-offset); }

@media (min-width: 960px) {
  .nav { display: flex; }
  .header-cta { display: inline-flex; }
  .mobile-toggle { display: none; }
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--color-bg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  transform: translateX(100%);
  transition: transform 320ms cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.mobile-menu nav a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}
.mobile-menu .btn { width: 100%; }

/* ---------- Hero ---------- */
.hero {
  padding-top: var(--space-12);
  padding-bottom: 0;
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: end;
}
.hero__text { padding-bottom: var(--space-8); }
.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 0.98;
  margin-top: var(--space-5);
  margin-bottom: var(--space-8);
}
.hero__title em {
  font-style: italic;
  color: var(--color-clay);
  font-weight: 300;
}
.hero__sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-bottom: var(--space-10);
  line-height: 1.55;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}
.hero__actions .tel-link { margin-left: var(--space-2); }

.hero__image {
  position: relative;
  aspect-ratio: 16 / 11;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero__image img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero__badge {
  position: absolute;
  left: var(--space-5);
  bottom: var(--space-5);
  background: var(--color-bg);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 500;
  box-shadow: var(--shadow-md);
}
.hero__badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-success) 18%, transparent);
}

.hero__strip {
  margin-top: var(--space-12);
  padding-block: var(--space-6);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}
.hero__strip div {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.hero__strip strong {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-xl);
  color: var(--color-text);
  font-feature-settings: "lnum" 1;
}
.hero__strip span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: 1.05fr 1fr;
    gap: var(--space-16);
    align-items: center;
  }
  .hero__text { padding-bottom: 0; }
  .hero__image { aspect-ratio: 4 / 5; }
  .hero__strip { grid-template-columns: repeat(4, 1fr); gap: var(--space-8); }
}

/* ---------- Why / values ---------- */
.why {
  background: var(--color-surface-offset);
}
.why__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
.value {
  padding: var(--space-8) var(--space-6);
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  height: 100%;
}
.value__icon {
  width: 48px; height: 48px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  color: var(--color-primary);
}
.value h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.value p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

@media (min-width: 700px) { .why__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .why__grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1200px) { .why__grid { grid-template-columns: repeat(5, 1fr); gap: var(--space-5); }
  .why__grid .value { padding: var(--space-6) var(--space-5); }
}

/* ---------- Services ---------- */
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.service-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border);
}
.service-card__image {
  aspect-ratio: 5 / 4;
  overflow: hidden;
  position: relative;
}
.service-card__image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}
.service-card:hover .service-card__image img { transform: scale(1.04); }

.service-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}
.service-card__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-clay);
  font-weight: 500;
}
.service-card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
}
.service-card p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  flex: 1;
}
.service-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
  margin-top: var(--space-2);
  font-size: var(--text-xs);
}
.service-card__meta span {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--color-text-muted);
}
.service-card__meta strong {
  color: var(--color-text);
  font-weight: 600;
}

/* Featured pill on the image */
.service-card__pill {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  background: var(--color-clay);
  color: #fff;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  z-index: 2;
}
.service-card--featured {
  border-color: var(--color-clay);
  box-shadow: var(--shadow-md);
  background: var(--color-surface-2);
}
.service-card--featured .service-card__tag { color: var(--color-primary); }
.service-card--featured h3 { font-size: var(--text-xl); }

/* Grid: featured = full width horizontal at desktop, others in 3-col */
@media (min-width: 720px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .service-card--featured { grid-column: span 2; }
}
@media (min-width: 1040px) {
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .service-card--featured {
    grid-column: span 3;
    flex-direction: row;
    align-items: stretch;
  }
  .service-card--featured .service-card__image {
    flex: 1 1 52%;
    aspect-ratio: auto;
    align-self: stretch;
  }
  .service-card--featured .service-card__image img { height: 100%; }
  .service-card--featured .service-card__body {
    flex: 1 1 48%;
    padding: var(--space-8) var(--space-10);
    gap: var(--space-3);
    min-height: 0;
  }
  .service-card--featured h3 { font-size: clamp(1.75rem, 1.4rem + 1vw, 2.25rem); font-weight: 400; line-height: 1.05; }
  .service-card--featured p { font-size: var(--text-base); line-height: 1.55; }
}

/* ---------- Isolation par zone ---------- */
.isolation {
  background: var(--color-surface);
}
.isolation__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: start;
}
.isolation__house {
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  margin: 0;
}
@media (min-width: 900px) {
  .isolation__house {
    position: sticky;
    top: 100px;
  }
}
.isolation__house svg {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.isolation__house figcaption {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-align: center;
}
.iso-num {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  fill: var(--color-text);
}
.isolation__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  counter-reset: iso;
  padding: 0;
}
.iso-card {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-5);
  align-items: start;
  padding: var(--space-6);
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.iso-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.iso-card__num {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  flex-shrink: 0;
}
.iso-card[data-zone="1"] .iso-card__num,
.iso-card[data-zone="5"] .iso-card__num {
  background: var(--color-clay-soft);
  color: var(--color-clay-hover);
}
.iso-card[data-zone="3"] .iso-card__num {
  background: var(--color-sage-soft);
  color: #4F6B43;
}
.iso-card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
}
.iso-card p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: var(--space-3);
}
.iso-card__tags {
  display: inline-block;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-clay);
  font-weight: 500;
}
.isolation__note {
  margin-top: var(--space-12);
  padding: var(--space-6);
  background: var(--color-primary-soft);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
  max-width: 80ch;
}

@media (min-width: 900px) {
  .isolation__layout {
    grid-template-columns: 0.85fr 1.15fr;
    gap: var(--space-12);
  }
}

/* ---------- Aides section ---------- */
.aides {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  position: relative;
  overflow: hidden;
}
.aides::before {
  content:"";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at top right, rgba(199,111,62,0.18), transparent 55%),
    radial-gradient(ellipse at bottom left, rgba(139,159,127,0.14), transparent 60%);
  pointer-events: none;
}
.aides .container { position: relative; }
.aides .eyebrow { color: var(--color-clay-soft); }
.aides .eyebrow::before { background: var(--color-clay); }
.aides .section-title { color: var(--color-text-inverse); }
.aides .section-title em { color: #E9B486; }
.aides .section-lead { color: color-mix(in oklab, var(--color-text-inverse) 82%, transparent); }

.aides__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-top: var(--space-10);
}
.aide-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  backdrop-filter: blur(8px);
}
.aide-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  letter-spacing: -0.01em;
}
.aide-card h3 em { color: #E9B486; font-style: italic; }
.aide-card p {
  color: color-mix(in oklab, var(--color-text-inverse) 75%, transparent);
  font-size: var(--text-base);
  max-width: 42ch;
}
.aide-card .amount {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 1rem + 2vw, 2.75rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  color: #E9B486;
  margin-block: var(--space-2);
  line-height: 1.05;
  text-wrap: balance;
}
.aides__note {
  margin-top: var(--space-10);
  font-size: var(--text-sm);
  color: color-mix(in oklab, var(--color-text-inverse) 70%, transparent);
  max-width: 70ch;
}

@media (min-width: 780px) { .aides__grid { grid-template-columns: repeat(3, 1fr); } }

/* ---------- Comment ça marche ---------- */
.process {
  background: var(--color-surface);
}
.process__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  position: relative;
}
.step {
  padding: var(--space-8) var(--space-6);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.step__num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--color-clay);
  font-style: italic;
  line-height: 1;
}
.step h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
}
.step p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

@media (min-width: 720px) { .process__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .process__grid { grid-template-columns: repeat(4, 1fr); } }

/* ---------- Trust / testimonials ---------- */
.trust__hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}
.trust__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.trust__image img { width: 100%; height: 100%; object-fit: cover; }

.trust__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-divider);
}
.stat strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 1rem + 4vw, 3.75rem);
  letter-spacing: -0.03em;
  color: var(--color-primary);
  line-height: 1;
  font-feature-settings: "lnum" 1;
}
.stat em {
  color: var(--color-clay);
  font-style: italic;
  font-weight: 300;
}
.stat span {
  display: block;
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 24ch;
}

@media (min-width: 800px) {
  .trust__hero { grid-template-columns: 1.1fr 1fr; gap: var(--space-16); }
  .trust__stats { grid-template-columns: repeat(4, 1fr); }
}

.testimonials {
  margin-top: var(--space-20);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
.testimonial {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.testimonial__quote {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: var(--text-lg);
  line-height: 1.45;
  color: var(--color-text);
  letter-spacing: -0.005em;
}
.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--text-sm);
}
.testimonial__meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.testimonial__meta strong { font-weight: 600; font-size: var(--text-sm); }
.testimonial__meta span { font-size: var(--text-xs); color: var(--color-text-muted); }

.stars { color: var(--color-clay); font-size: var(--text-sm); letter-spacing: 2px; }

.partners {
  margin-top: var(--space-20);
  text-align: center;
}
.partners__label {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.partners__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-8);
  opacity: 0.82;
}
.partners__grid span {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  letter-spacing: -0.01em;
}

@media (min-width: 720px) { .testimonials { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .testimonials { grid-template-columns: repeat(3, 1fr); } }

/* ---------- FAQ ---------- */
.faq {
  background: var(--color-surface-offset);
}
.faq__wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}
.faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
details.faq-item {
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
details.faq-item[open] {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
details.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  font-weight: 500;
  font-size: var(--text-base);
}
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::after {
  content: "";
  width: 14px; height: 14px;
  border-right: 1.5px solid var(--color-text);
  border-bottom: 1.5px solid var(--color-text);
  transform: rotate(45deg);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-top: -4px;
}
details.faq-item[open] summary::after { transform: rotate(-135deg); margin-top: 4px; }
details.faq-item > div {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.65;
}

@media (min-width: 900px) {
  .faq__wrap { grid-template-columns: 1fr 1.3fr; gap: var(--space-16); }
}

/* ---------- Contact / form ---------- */
.contact {
  background: var(--color-surface);
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}
.contact__aside {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.contact__aside h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}
.contact__aside a {
  font-weight: 500;
  color: var(--color-primary);
}
.contact__aside a:hover { text-decoration: underline; }
.contact__aside p { color: var(--color-text-muted); }
.contact__aside .info-block {
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-5);
}

.form {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  border: 1px solid var(--color-divider);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 540px) { .form-row { grid-template-columns: 1fr 1fr; } }

.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field label {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-text-muted);
}
.field input,
.field select,
.field textarea {
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  font-size: var(--text-base);
  color: var(--color-text);
  width: 100%;
  font-family: inherit;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.checkbox {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  cursor: pointer;
}
.checkbox input {
  width: 18px; height: 18px;
  margin-top: 3px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

.form__submit {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-start;
  margin-top: var(--space-2);
}
.form__submit .btn { align-self: stretch; }
@media (min-width: 540px) { .form__submit .btn { align-self: flex-start; } }
.form__legal { font-size: var(--text-xs); color: var(--color-text-faint); }
.form__success {
  display: none;
  background: color-mix(in oklab, var(--color-success) 14%, var(--color-bg));
  border: 1px solid var(--color-success);
  color: var(--color-success);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  font-size: var(--text-sm);
}
.form.is-sent .form__success { display: block; }
.form.is-sent .form__fields { display: none; }

@media (min-width: 900px) {
  .contact__grid { grid-template-columns: 1fr 1.35fr; gap: var(--space-16); }
}

/* ---------- Footer ---------- */
.site-footer {
  background: #15201F;
  color: color-mix(in oklab, #FAF5ED 80%, transparent);
  padding-block: var(--space-16) var(--space-8);
  font-size: var(--text-sm);
}
.site-footer .container { position: relative; }
.site-footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.site-footer h4 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-lg);
  color: #FAF5ED;
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}
.site-footer a { color: inherit; }
.site-footer a:hover { color: #FAF5ED; }
.site-footer ul { display: flex; flex-direction: column; gap: var(--space-2); }
.site-footer__brand .logo { color: #FAF5ED; margin-bottom: var(--space-4); }
.site-footer__brand p { max-width: 40ch; color: color-mix(in oklab, #FAF5ED 65%, transparent); }
.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-6);
  font-size: var(--text-xs);
  color: color-mix(in oklab, #FAF5ED 55%, transparent);
}
.site-footer__bottom a { margin-left: var(--space-4); }
.site-footer__bottom a:first-of-type { margin-left: 0; }

@media (min-width: 780px) {
  .site-footer__top { grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: var(--space-10); }
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--reveal-delay, 0s);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Full-bleed quote break ---------- */
.pullquote {
  padding-block: clamp(var(--space-16), 9vw, var(--space-24));
  background: var(--color-surface-offset);
  text-align: center;
}
.pullquote blockquote {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: var(--text-2xl);
  line-height: 1.25;
  max-width: 26ch;
  margin-inline: auto;
  color: var(--color-text);
  letter-spacing: -0.015em;
}
.pullquote blockquote em { color: var(--color-clay); font-style: italic; }
.pullquote cite {
  display: block;
  font-family: var(--font-body);
  font-style: normal;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: var(--space-6);
}