/* Zéro Tache — feuille de style du site */

:root {
  --ink: #0b2a36;
  --ink-soft: #3f5d68;
  --teal: #0e8f9d;
  --teal-dark: #0a6c78;
  --aqua: #2ec4d6;
  --mint: #e4f6f8;
  --foam: #f4fbfc;
  --sun: #ffd23f;
  --sun-dark: #f2b705;
  --white: #fff;
  --line: #d3e9ec;
  --danger: #b3261e;
  --ok: #0a6c4a;

  --radius: 22px;
  --radius-sm: 12px;
  --shadow: 0 18px 40px -18px rgba(11, 42, 54, 0.28);
  --shadow-soft: 0 8px 24px -14px rgba(11, 42, 54, 0.3);
  --wrap: 1160px;
  --font: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

h1,
h2,
h3,
p,
ul,
ol,
fieldset {
  margin: 0;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

fieldset {
  border: 0;
  min-width: 0;
}

h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 800;
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.9rem, 1.3rem + 2.4vw, 3rem);
}

h3 {
  font-size: 1.25rem;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--sun-dark);
  outline-offset: 3px;
  border-radius: 6px;
}

.wrap {
  width: min(100% - 40px, var(--wrap));
  margin-inline: auto;
}

.defs {
  position: absolute;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--white);
  transition: top 0.2s;
}

.skip:focus {
  top: 12px;
}

.icon {
  width: 1.25em;
  height: 1.25em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-dark);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 3px;
  border-radius: 3px;
  background: var(--sun-dark);
}

/* Boutons */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 26px;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn .icon {
  transition: transform 0.2s ease;
}

.btn:hover .icon {
  transform: translateX(4px);
}

.btn--sun {
  background: var(--sun);
  color: var(--ink);
  box-shadow: 0 10px 22px -10px rgba(242, 183, 5, 0.9);
}

.btn--sun::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 -60%;
  width: 40%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.75), transparent);
  transform: skewX(-18deg);
  animation: sweep 3.6s ease-in-out infinite;
}

.btn--sun:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 28px -12px rgba(242, 183, 5, 0.95);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.7);
  color: var(--teal-dark);
  box-shadow: inset 0 0 0 2px var(--line);
}

.btn--ghost:hover {
  background: var(--white);
  box-shadow: inset 0 0 0 2px var(--teal);
}

.btn--small {
  padding: 11px 20px;
  font-size: 0.95rem;
}

.btn[disabled] {
  opacity: 0.6;
  cursor: progress;
}

/* En-tête */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  transition: box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 6px 24px -16px rgba(11, 42, 54, 0.5);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.brand__mark {
  width: 40px;
  height: 40px;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.brand:hover .brand__mark {
  transform: rotate(180deg) scale(1.06);
}

.brand__name b {
  color: var(--teal);
}

.brand--light {
  color: var(--white);
}

.brand--light .brand__name b {
  color: var(--sun);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 0.98rem;
  font-weight: 600;
}

.site-nav a:not(.btn) {
  position: relative;
  padding: 6px 0;
  text-decoration: none;
  color: var(--ink-soft);
  transition: color 0.2s;
}

.site-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.site-nav a:not(.btn):hover {
  color: var(--ink);
}

.site-nav a:not(.btn):hover::after {
  transform: scaleX(1);
}

.site-nav .site-nav__lang {
  padding: 6px 12px;
  border-radius: 999px;
  box-shadow: inset 0 0 0 1.5px var(--line);
  color: var(--teal-dark);
}

.site-nav .site-nav__lang::after {
  display: none;
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 12px;
  background: var(--mint);
  cursor: pointer;
}

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  display: block;
  width: 22px;
  height: 2.5px;
  margin-inline: auto;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle__bars {
  position: relative;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle__bars::before {
  top: -7px;
}

.nav-toggle__bars::after {
  top: 7px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  transform: translateY(-7px) rotate(-45deg);
}

/* Accueil */

.hero {
  position: relative;
  padding: clamp(36px, 6vw, 84px) 0 clamp(90px, 10vw, 140px);
  background:
    radial-gradient(60% 70% at 88% 12%, rgba(46, 196, 214, 0.28), transparent 70%),
    radial-gradient(50% 60% at 4% 90%, rgba(255, 210, 63, 0.22), transparent 70%),
    linear-gradient(180deg, var(--foam), var(--mint));
  overflow: hidden;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
}

.hero__title {
  margin-top: 18px;
  font-size: clamp(2.7rem, 1.4rem + 5.6vw, 5.2rem);
  line-height: 1;
  letter-spacing: -0.035em;
}

.shine {
  background: linear-gradient(100deg, var(--teal-dark) 20%, var(--aqua) 45%, #bdf3f9 50%, var(--aqua) 55%, var(--teal-dark) 80%);
  background-size: 250% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shine 5s ease-in-out infinite;
}

.hero__lead {
  max-width: 34ch;
  margin-top: 22px;
  font-size: clamp(1.1rem, 1rem + 0.5vw, 1.3rem);
  color: var(--ink-soft);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero__points {
  display: grid;
  gap: 10px;
  margin-top: 34px;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.hero__points li {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero__points .icon {
  width: 34px;
  height: 34px;
  padding: 7px;
  border-radius: 10px;
  background: var(--white);
  color: var(--teal-dark);
  box-shadow: var(--shadow-soft);
}

.hero__visual {
  position: relative;
}

.hero__photo {
  position: relative;
  aspect-ratio: 4 / 3.4;
  border-radius: 46% 54% 42% 58% / 52% 44% 56% 48%;
  background: var(--aqua);
  box-shadow: var(--shadow), 0 0 0 10px rgba(255, 255, 255, 0.65);
  overflow: hidden;
  animation: blob 14s ease-in-out infinite;
}

.hero__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__photo::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 -70%;
  width: 45%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  transform: skewX(-18deg);
  animation: sweep 6s ease-in-out 1.2s infinite;
}

.hero__spark {
  position: absolute;
  fill: var(--sun);
  filter: drop-shadow(0 4px 8px rgba(242, 183, 5, 0.5));
  animation: twinkle 3s ease-in-out infinite;
}

.hero__spark--a {
  width: 56px;
  top: -4%;
  left: 6%;
}

.hero__spark--b {
  width: 34px;
  top: 18%;
  right: -2%;
  fill: var(--white);
  animation-delay: 0.9s;
}

.hero__spark--c {
  width: 42px;
  bottom: 2%;
  left: 22%;
  fill: var(--aqua);
  animation-delay: 1.7s;
}

.hero__chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--white);
  font-weight: 700;
  box-shadow: var(--shadow);
  animation: float 6s ease-in-out infinite;
}

.hero__chip .icon {
  width: 26px;
  height: 26px;
  padding: 5px;
  border-radius: 50%;
  background: var(--teal);
  color: var(--white);
  stroke-width: 2.6;
}

.hero__chip--a {
  left: -4%;
  bottom: 20%;
}

.hero__chip--b {
  right: -2%;
  top: 46%;
  animation-delay: 1.6s;
}

.hero__chip--b .icon {
  background: var(--sun);
  color: var(--ink);
}

.hero__wave {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  width: 100%;
  height: clamp(40px, 7vw, 90px);
  fill: var(--white);
}

.hero__in {
  animation: rise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.hero__in--2 {
  animation-delay: 0.08s;
}

.hero__in--3 {
  animation-delay: 0.18s;
}

.hero__in--4 {
  animation-delay: 0.28s;
}

.hero__in--5 {
  animation-delay: 0.38s;
}

/* Bulles de savon */

.bubbles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.bubbles span {
  position: absolute;
  bottom: -90px;
  width: 44px;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 28%, rgba(255, 255, 255, 0.95) 0 9%, transparent 10%),
    radial-gradient(circle at 50% 50%, transparent 55%, rgba(46, 196, 214, 0.28) 100%);
  box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, 0.85), inset -6px -8px 14px rgba(14, 143, 157, 0.14);
  opacity: 0;
  animation: bubble 16s linear infinite;
}

.bubbles span:nth-child(1) { left: 4%; width: 34px; animation-duration: 15s; }
.bubbles span:nth-child(2) { left: 13%; width: 62px; animation-duration: 21s; animation-delay: 3s; }
.bubbles span:nth-child(3) { left: 24%; width: 24px; animation-duration: 13s; animation-delay: 7s; }
.bubbles span:nth-child(4) { left: 36%; width: 48px; animation-duration: 19s; animation-delay: 1.5s; }
.bubbles span:nth-child(5) { left: 47%; width: 30px; animation-duration: 14s; animation-delay: 9s; }
.bubbles span:nth-child(6) { left: 56%; width: 70px; animation-duration: 24s; animation-delay: 5s; }
.bubbles span:nth-child(7) { left: 66%; width: 26px; animation-duration: 12s; animation-delay: 2s; }
.bubbles span:nth-child(8) { left: 74%; width: 52px; animation-duration: 18s; animation-delay: 11s; }
.bubbles span:nth-child(9) { left: 83%; width: 36px; animation-duration: 16s; animation-delay: 6s; }
.bubbles span:nth-child(10) { left: 91%; width: 58px; animation-duration: 22s; animation-delay: 0.5s; }
.bubbles span:nth-child(11) { left: 30%; width: 20px; animation-duration: 11s; animation-delay: 12s; }
.bubbles span:nth-child(12) { left: 96%; width: 22px; animation-duration: 13s; animation-delay: 8s; }

/* Bandeau défilant */

.marquee {
  display: flex;
  gap: 0;
  padding: 18px 0;
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee__track {
  display: flex;
  flex: none;
  align-items: center;
  animation: marquee 38s linear infinite;
}

.marquee__track li {
  display: flex;
  align-items: center;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.marquee__track li::after {
  content: "";
  width: 12px;
  height: 12px;
  margin: 0 28px;
  background: var(--sun);
  clip-path: polygon(50% 0, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0 50%, 38% 38%);
}

.marquee:hover .marquee__track {
  animation-play-state: paused;
}

/* Sections */

.section {
  padding: clamp(64px, 9vw, 120px) 0;
}

.section--tint {
  background: linear-gradient(180deg, var(--foam), var(--mint));
}

.section--deep {
  position: relative;
  background:
    radial-gradient(50% 60% at 100% 0, rgba(46, 196, 214, 0.25), transparent 70%),
    var(--ink);
  color: var(--white);
}

.section--deep .eyebrow {
  color: var(--aqua);
}

.section--deep .section__lead {
  color: #b9d4db;
}

.section__head {
  max-width: 720px;
  margin: 0 auto clamp(36px, 5vw, 60px);
  text-align: center;
}

.section__head h2 {
  margin-top: 14px;
}

.section__head--left {
  margin-inline: 0;
  text-align: left;
}

.section__lead {
  margin-top: 16px;
  font-size: 1.15rem;
  color: var(--ink-soft);
}

/* Deux volets */

.duo {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.duo__card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-soft), inset 0 0 0 1px var(--line);
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.duo__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow), inset 0 0 0 1px var(--line);
}

.duo__photo {
  aspect-ratio: 16 / 10;
  background: var(--mint);
  overflow: hidden;
}

.duo__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.duo__card:hover .duo__photo img {
  transform: scale(1.06);
}

.duo__body {
  padding: 28px clamp(22px, 3vw, 34px) 34px;
}

.duo__body h3 {
  margin-top: 14px;
  font-size: 1.7rem;
}

.duo__body > p {
  margin-top: 10px;
  color: var(--ink-soft);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--mint);
  color: var(--teal-dark);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge--sun {
  background: #fff3c4;
  color: #6b5200;
}

.ticks {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.ticks li {
  position: relative;
  padding-left: 34px;
}

.ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12.500 4 4 8-8.500'/%3E%3C/svg%3E") center / 14px no-repeat;
}

/* Tuiles de services */

.tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.tile {
  position: relative;
  padding: 26px 24px 28px;
  border-radius: var(--radius);
  background: var(--foam);
  box-shadow: inset 0 0 0 1px var(--line);
  overflow: hidden;
  transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.tile::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 196, 214, 0.22), transparent 70%);
  transform: scale(0);
  transition: transform 0.45s ease;
}

.tile:hover {
  transform: translateY(-4px);
  background: var(--white);
  box-shadow: var(--shadow-soft), inset 0 0 0 1px var(--aqua);
}

.tile:hover::after {
  transform: scale(1.6);
}

.tile__icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: var(--white);
  color: var(--teal-dark);
  box-shadow: var(--shadow-soft);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), background-color 0.3s, color 0.3s;
}

.tile__icon .icon {
  width: 28px;
  height: 28px;
}

.tile:hover .tile__icon {
  transform: rotate(-8deg) scale(1.08);
  background: var(--teal);
  color: var(--white);
}

.tile h3 {
  margin-top: 18px;
}

.tile p {
  margin-top: 8px;
  color: var(--ink-soft);
}

/* Avant / après */

.results {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
}

.results .section__head {
  margin-bottom: 0;
}

.results__hint {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--white);
  font-weight: 700;
  color: var(--teal-dark);
  box-shadow: var(--shadow-soft);
}

.results__hint .icon {
  animation: nudge 1.6s ease-in-out infinite;
}

.ba {
  --pos: 50%;
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  background: var(--mint);
  box-shadow: var(--shadow), 0 0 0 8px var(--white);
  overflow: hidden;
  touch-action: pan-y;
  user-select: none;
}

.ba__layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.ba__layer--before {
  filter: grayscale(0.55) sepia(0.35) brightness(0.8) contrast(0.95);
}

.ba__clip {
  position: absolute;
  inset: 0;
  clip-path: inset(0 calc(100% - var(--pos)) 0 0);
}

.ba__sparkles use {
  transform-box: fill-box;
  transform-origin: center;
  animation: twinkle 2.6s ease-in-out infinite;
}

.ba__sparkles g:nth-child(2) use { animation-delay: 0.4s; }
.ba__sparkles g:nth-child(3) use { animation-delay: 0.9s; }
.ba__sparkles g:nth-child(4) use { animation-delay: 1.3s; }
.ba__sparkles g:nth-child(5) use { animation-delay: 0.6s; }
.ba__sparkles g:nth-child(6) use { animation-delay: 1.7s; }
.ba__sparkles g:nth-child(7) use { animation-delay: 2.1s; }

.ba__tag {
  position: absolute;
  top: 14px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  pointer-events: none;
}

.ba__tag--before {
  left: 14px;
  background: rgba(11, 42, 54, 0.82);
  color: var(--white);
}

.ba__tag--after {
  right: 14px;
  background: var(--sun);
  color: var(--ink);
}

.ba__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos);
  width: 4px;
  margin-left: -2px;
  background: var(--white);
  box-shadow: 0 0 0 1px rgba(11, 42, 54, 0.15);
  pointer-events: none;
}

.ba__handle svg {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 52px;
  max-width: none;
  height: 52px;
  padding: 12px;
  border-radius: 50%;
  background: var(--white);
  fill: none;
  stroke: var(--teal-dark);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  box-shadow: var(--shadow);
  transform: translate(-50%, -50%);
}

.ba__range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
}

.ba:has(.ba__range:focus-visible) {
  outline: 3px solid var(--sun-dark);
  outline-offset: 10px;
}

/* Étapes */

.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  counter-reset: step;
}

.steps::before {
  content: "";
  position: absolute;
  left: 12%;
  right: 12%;
  top: 34px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--aqua), var(--sun));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.6s cubic-bezier(0.2, 0.8, 0.2, 1) 0.2s;
}

.steps.is-visible::before {
  transform: scaleX(1);
}

.step {
  position: relative;
  padding: 0 12px;
  text-align: center;
}

.step__num {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  margin: 0 auto 22px;
  border-radius: 50%;
  background: var(--white);
  color: var(--teal-dark);
  font-size: 1.6rem;
  font-weight: 800;
  box-shadow: 0 0 0 4px var(--aqua), var(--shadow-soft);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), background-color 0.3s, color 0.3s;
}

.step:hover .step__num {
  transform: scale(1.1) rotate(-6deg);
  background: var(--teal);
  color: var(--white);
}

.step p {
  max-width: 30ch;
  margin: 10px auto 0;
  color: var(--ink-soft);
}

/* Engagement */

.promise {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
  gap: clamp(32px, 6vw, 80px);
}

.promise__photos {
  position: relative;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 16px;
  aspect-ratio: 1 / 0.92;
}

.promise__photo {
  border-radius: var(--radius);
  background: #12414f;
  overflow: hidden;
}

.promise__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.promise__photo:hover img {
  transform: scale(1.07);
}

.promise__photo--a {
  grid-row: 1 / 3;
  border-radius: 120px var(--radius) var(--radius) var(--radius);
}

.promise__photo--c {
  border-radius: var(--radius) var(--radius) 90px var(--radius);
}

.promise__copy .section__head {
  margin-bottom: 30px;
}

.promise__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px 28px;
}

.promise__list li {
  display: flex;
  gap: 14px;
}

.promise__icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(46, 196, 214, 0.16);
  color: var(--aqua);
}

.promise__icon .icon {
  width: 24px;
  height: 24px;
}

.promise__list h3 {
  font-size: 1.1rem;
}

.promise__list p {
  margin-top: 6px;
  font-size: 0.98rem;
  color: #b9d4db;
}

/* Soumission */

.quote {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: start;
  gap: clamp(28px, 5vw, 64px);
}

.quote__intro h2 {
  margin-top: 14px;
}

.quote__photo {
  margin-top: 30px;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius) var(--radius) var(--radius) 90px;
  background: var(--line);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.quote__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.form {
  display: grid;
  gap: 20px;
  padding: clamp(22px, 3.4vw, 40px);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow), inset 0 0 0 1px var(--line);
}

.form__row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label,
.field legend {
  font-size: 0.95rem;
  font-weight: 700;
}

.field legend {
  margin-bottom: 8px;
}

.field__opt {
  font-weight: 500;
  color: var(--ink-soft);
}

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field select,
.field textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--foam);
  color: var(--ink);
  font: inherit;
  transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
}

.field textarea {
  min-height: 130px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 0;
  border-color: var(--teal);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(46, 196, 214, 0.25);
}

.field [aria-invalid="true"] {
  border-color: var(--danger);
  background: #fff6f5;
}

.field--choice {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.field--choice legend {
  width: 100%;
}

.choice {
  position: relative;
  flex: 1 1 180px;
  cursor: pointer;
}

.choice input {
  position: absolute;
  opacity: 0;
}

.choice span {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 16px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--foam);
  font-weight: 700;
  transition: border-color 0.2s, background-color 0.2s, color 0.2s, transform 0.2s;
}

.choice:hover span {
  border-color: var(--aqua);
}

.choice input:checked + span {
  border-color: var(--teal-dark);
  background: var(--teal-dark);
  color: var(--white);
  transform: translateY(-1px);
}

.choice input:focus-visible + span {
  outline: 3px solid var(--sun-dark);
  outline-offset: 3px;
}

.form__trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 22px;
}

.form__note {
  flex: 1 1 220px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.form__status {
  display: none;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.form__status.is-shown {
  display: block;
  animation: rise 0.4s ease both;
}

.form__status.is-ok {
  background: #e3f6ec;
  color: var(--ok);
}

.form__status.is-error {
  background: #fdecea;
  color: var(--danger);
}

.form__status.is-info {
  background: var(--mint);
  color: var(--teal-dark);
}

/* Pied de page */

.site-footer {
  padding: 56px 0 40px;
  background: #071e27;
  color: #b9d4db;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px 32px;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-weight: 600;
}

.site-footer__nav a {
  text-decoration: none;
  transition: color 0.2s;
}

.site-footer__nav a:hover {
  color: var(--sun);
}

.site-footer__legal {
  grid-column: 1 / -1;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.9rem;
}

/* Page 404 */

.lost {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 40px 20px;
  background: linear-gradient(180deg, var(--foam), var(--mint));
  text-align: center;
}

.lost__code {
  font-size: clamp(5rem, 22vw, 11rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
}

.lost p {
  margin: 12px 0 0;
  color: var(--ink-soft);
}

.lost__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}

/* Apparition au défilement (activée seulement si le script tourne) */

.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
  transition-delay: var(--delay, 0s);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Animations */

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes shine {
  0%,
  100% {
    background-position: 100% 0;
  }
  50% {
    background-position: 0 0;
  }
}

@keyframes sweep {
  0%,
  55% {
    left: -60%;
  }
  100% {
    left: 130%;
  }
}

@keyframes blob {
  0%,
  100% {
    border-radius: 46% 54% 42% 58% / 52% 44% 56% 48%;
  }
  50% {
    border-radius: 56% 44% 54% 46% / 44% 56% 46% 54%;
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes twinkle {
  0%,
  100% {
    opacity: 0.25;
    transform: scale(0.6) rotate(0deg);
  }
  50% {
    opacity: 1;
    transform: scale(1.1) rotate(45deg);
  }
}

@keyframes bubble {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0) scale(0.7);
  }
  10% {
    opacity: 0.9;
  }
  50% {
    transform: translate3d(22px, -55vh, 0) scale(1);
  }
  90% {
    opacity: 0.7;
  }
  100% {
    opacity: 0;
    transform: translate3d(-14px, -110vh, 0) scale(1.1);
  }
}

@keyframes marquee {
  to {
    transform: translateX(-100%);
  }
}

@keyframes nudge {
  0%,
  100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(6px);
  }
}

/* Écrans moyens et petits */

@media (max-width: 1000px) {
  .site-nav {
    gap: 18px;
    font-size: 0.93rem;
  }
}

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

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px 20px 22px;
    background: var(--white);
    box-shadow: 0 24px 30px -20px rgba(11, 42, 54, 0.45);
    font-size: 1.05rem;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  }

  .site-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: none;
  }

  .site-nav a:not(.btn) {
    padding: 12px 4px;
  }

  .site-nav .site-nav__lang {
    align-self: flex-start;
    margin: 8px 0;
    padding: 8px 16px;
  }

  .hero__grid,
  .results,
  .promise,
  .quote {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    width: min(100%, 520px);
    margin-inline: auto;
  }

  .hero__chip--a {
    left: 0;
  }

  .hero__chip--b {
    right: 0;
  }

  .duo {
    grid-template-columns: 1fr;
  }

  .tiles {
    grid-template-columns: repeat(2, 1fr);
  }

  .promise__photos {
    width: min(100%, 520px);
    margin-inline: auto;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 1rem;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .steps::before {
    display: none;
  }

  .tiles,
  .promise__list,
  .form__row {
    grid-template-columns: 1fr;
  }

  .hero__actions .btn {
    flex: 1 1 100%;
  }

  .hero__chip {
    padding: 9px 14px;
    font-size: 0.92rem;
  }

  .ba {
    aspect-ratio: 4 / 3;
  }
}

/* Mouvement réduit */

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0s !important;
    transition-duration: 0.01ms !important;
  }

  .bubbles,
  .btn--sun::after,
  .hero__photo::after {
    display: none;
  }

  .marquee {
    overflow-x: auto;
  }

  .hero__spark,
  .ba__sparkles use {
    opacity: 1;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}