/* ==========================================================================
   Imports
   ========================================================================== */

@import url('/css/tokens.css');
@import url('/css/scroll-sequence.css');
@import url('/css/hero-unified.css');
@import url('/css/hero-video.css');
@import url('/css/hero-prisma.css');
@import url('/css/glass-buttons.css');
@import url('/css/glass.css');
@import url('/css/branding.css');
@import url('/css/portrait-tooltip.css');
@import url('/css/scroll-navigation.css');
@import url('/css/footer-cinematic.css');
@import url('/css/faq.css');
@import url('/css/btp.css');

/* ==========================================================================
   Reset (modern, minimal)
   ========================================================================== */

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

* {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -moz-tab-size: 4;
  tab-size: 4;
}

body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul,
ol {
  list-style: none;
}
/* ==========================================================================
   Design Tokens
   ========================================================================== */

:root {
  /* -------------------------------------------------------------------------
     Palette (CLAUDE.md)
     ------------------------------------------------------------------------- */
  --noir: #0A0B0D;
  --blanc: #F4F3EF;
  --ambre: #C8873E;
  --ambre-glass: #D4934A;
  --bleu-nuit: #0F2033;
  --bleu-clair: #3E7C94;
  --gris: #8A8E96;
  --gris-glass: #C0C4CC;

  /* Semantic aliases */
  --color-bg: var(--noir);
  --color-text: var(--blanc);
  --color-text-secondary: var(--gris);
  --color-text-secondary-glass: var(--gris-glass);
  --color-accent: var(--ambre);
  --color-accent-glass: var(--ambre-glass);

  /* -------------------------------------------------------------------------
     Typography Scale (modular, ratio ~1.25)
     ------------------------------------------------------------------------- */
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --text-base: clamp(1rem, 0.925rem + 0.375vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.375rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.625rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2.125rem);
  --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.875rem);
  --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.75rem);
  --text-5xl: clamp(3rem, 2.25rem + 3.75vw, 5.25rem);

  /* -------------------------------------------------------------------------
     Spacing Scale (base 8px)
     ------------------------------------------------------------------------- */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */

  /* -------------------------------------------------------------------------
     Layout
     ------------------------------------------------------------------------- */
  --max-width: 1400px;
  --content-width: 65ch;

  /* -------------------------------------------------------------------------
     Motion
     ------------------------------------------------------------------------- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 600ms;
  --duration-reduced-motion-fade: 1200ms;
}
/* ==========================================================================
   Base Styles
   ========================================================================== */

@font-face {
  font-family: 'Instrument Serif';
  src: url('/public/fonts/instrument-serif-latin.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
                 U+02DA, U+02DC, U+0300-0301, U+0303-0304, U+0308-0309,
                 U+0323, U+0329, U+2000-206F, U+2074, U+20AC, U+2122,
                 U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Inter';
  src: url('/public/fonts/inter-latin.woff2') format('woff2');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
                 U+02DA, U+02DC, U+0300-0301, U+0303-0304, U+0308-0309,
                 U+0323, U+0329, U+2000-206F, U+2074, U+20AC, U+2122,
                 U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* -------------------------------------------------------------------------
   Document
   ------------------------------------------------------------------------- */

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100dvh;
}

/* -------------------------------------------------------------------------
   Typography
   ------------------------------------------------------------------------- */

h1,
h2,
h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }

p {
  max-width: var(--content-width);
}

/* -------------------------------------------------------------------------
   Layout utilities
   ------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.visually-hidden {
  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:focus {
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 1000;
  width: auto;
  height: auto;
  padding: var(--space-3) var(--space-5);
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  color: var(--noir);
  background-color: var(--ambre);
  border-radius: 2px;
}

/* -------------------------------------------------------------------------
   Focus (accessibility)
   ------------------------------------------------------------------------- */

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* -------------------------------------------------------------------------
   Reduced Motion
   ------------------------------------------------------------------------- */

@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;
  }

  .cinematic-flash {
    opacity: 0;
    animation: none !important;
  }

  .cinematic-fade-in {
    animation: reduced-fade-in var(--duration-reduced-motion-fade) var(--ease-out) forwards !important;
  }
}

@keyframes reduced-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
/* ==========================================================================
   Components
   ========================================================================== */

/* -------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
  font-weight: 500;
  line-height: 1;
  text-align: center;
  border-radius: 2px;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  color: var(--noir);
  background-color: var(--ambre);
}

.btn--primary:hover {
  background-color: #d4934a;
}

.btn--secondary {
  color: var(--blanc);
  background-color: transparent;
  border: 1px solid rgba(244, 243, 239, 0.3);
}

.btn--secondary:hover {
  border-color: rgba(244, 243, 239, 0.6);
}

/* -------------------------------------------------------------------------
   Navigation
   ------------------------------------------------------------------------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-block: var(--space-4);
  background-color: transparent;
  transition: background-color var(--duration-normal) var(--ease-out);
}

.nav--scrolled {
  background-color: rgba(10, 11, 13, 0.95);
  backdrop-filter: blur(8px);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
}

.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav__logo-picture {
  display: block;
  width: 160px;
  height: 160px;
}

.nav__logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav__logo-img[src=""],
.nav__logo-img:not([src]),
.nav__logo-img[src="/public/logo.webp"]:not([complete]) {
  visibility: hidden;
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--noir);
  background-color: var(--ambre);
  border-radius: 2px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition:
    opacity var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
}

.nav__cta:hover {
  background-color: #d4934a;
}

.nav--scrolled .nav__cta {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */

.footer {
  position: relative;
  z-index: 2;
  border-top: none;
  background: transparent;
}

.footer__inner {
  display: grid;
  gap: var(--space-8);
  padding-block: var(--space-12);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__logo {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.footer__contact {
  display: flex;
}

.footer__email {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__email:hover {
  color: var(--color-text);
}

.footer__nav {
  display: flex;
  gap: var(--space-6);
}

.footer__nav a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--duration-fast) var(--ease-out);
}

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

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4) var(--space-8);
  padding-block: var(--space-8);
  border-top: 1px solid rgba(244, 243, 239, 0.06);
}

.footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.footer__legal-text {
  font-size: var(--text-xs);
  color: var(--gris);
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: var(--space-12);
  }

  .footer__legal {
    justify-content: space-between;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .nav,
  .nav__cta,
  .footer__email,
  .footer__legal a {
    transition: none;
  }
}
/* ==========================================================================
   Sections (Phase 1)
   ========================================================================== */

/* -------------------------------------------------------------------------
   Section 0 - Hero (Direction B : tension verticale)
   ------------------------------------------------------------------------- */

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 100dvh;
  padding-bottom: var(--space-20);
  background: linear-gradient(
    180deg,
    rgba(15, 32, 51, 0.08) 0%,
    var(--noir) 60%
  );
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-16);
}

.hero__logo {
  width: 100%;
  max-width: 280px;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-6);
}

.hero__title {
  font-size: var(--text-4xl);
  letter-spacing: -0.03em;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 42ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  padding-top: var(--space-6);
}

@media (min-width: 768px) {
  .hero {
    padding-bottom: var(--space-24);
  }

  .hero__inner {
    gap: var(--space-20);
  }

  .hero__logo {
    max-width: 320px;
  }

  .hero__title {
    font-size: var(--text-5xl);
  }
}

/* -------------------------------------------------------------------------
   Base des sections (fond transparent pour laisser voir les courbes)
   ------------------------------------------------------------------------- */

.ancrage,
.creation,
.transition,
.developpement,
.demonstrations,
.estimateur,
.contact,
.audit {
  position: relative;
  z-index: 1;
  background-color: transparent;
}

/* -------------------------------------------------------------------------
   Section 1 - Ancrage
   ------------------------------------------------------------------------- */

.ancrage {
  display: flex;
  align-items: center;
  min-height: 90dvh;
  padding-block: var(--space-24);
}

.ancrage__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-20);
}

.ancrage__statement {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
  max-width: 48rem;
}

.ancrage__title {
  font-size: var(--text-4xl);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.ancrage__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.ancrage__body p {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.ancrage__contrast {
  color: var(--color-text) !important;
}

.ancrage__proof {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  padding-top: var(--space-12);
}

.ancrage__proof-intro {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
}

.ancrage__proof-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

/* Proof cards — Glass effect */
.proof-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6);
  position: relative;
  background: rgba(10, 11, 13, 0.74);
  backdrop-filter: blur(28px) saturate(1.3);
  -webkit-backdrop-filter: blur(28px) saturate(1.3);
  border: 1px solid rgba(244, 243, 239, 0.08);
  border-radius: 16px;
  box-shadow:
    0 0 0 1px rgba(244, 243, 239, 0.03) inset,
    0 1px 0 0 rgba(244, 243, 239, 0.05) inset,
    0 8px 32px -8px rgba(0, 0, 0, 0.4);
  transition:
    border-color var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out);
}

.proof-card:hover {
  border-color: rgba(244, 243, 239, 0.12);
  box-shadow:
    0 0 0 1px rgba(244, 243, 239, 0.05) inset,
    0 1px 0 0 rgba(244, 243, 239, 0.08) inset,
    0 16px 48px -12px rgba(0, 0, 0, 0.5);
  transform: translateY(-2px);
}

.proof-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 16px;
  right: 16px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(200, 135, 62, 0.25) 20%,
    rgba(200, 135, 62, 0.4) 50%,
    rgba(200, 135, 62, 0.25) 80%,
    transparent 100%
  );
  border-radius: 1px;
  pointer-events: none;
}

.proof-card__number {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--blanc);
  line-height: 1.1;
}

.proof-card__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary-glass);
  line-height: 1.4;
}

.proof-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary-glass);
  line-height: 1.4;
}

.proof-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--ambre);
  margin-top: var(--space-2);
  transition: opacity var(--duration-fast) var(--ease-out);
}

.proof-card__link:hover {
  opacity: 0.75;
}

.proof-card__link svg {
  opacity: 0.7;
}

@media (max-width: 767px) {
  .ancrage__title {
    font-size: var(--text-3xl);
  }

  .proof-card__number {
    font-size: var(--text-2xl);
  }
}

@media (min-width: 768px) {
  .ancrage__proof-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }

  .ancrage__title {
    font-size: var(--text-5xl);
  }

  .proof-card__number {
    font-size: var(--text-4xl);
  }
}

/* -------------------------------------------------------------------------
   Section 4 - Création (remplaçable par hélice 3D)
   ------------------------------------------------------------------------- */

.creation {
  padding-block: var(--space-24);
}

.creation__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-20);
}

.creation__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  max-width: 36rem;
}

.creation__intro {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
}

/* Méthode */
.creation__method {
  padding-block: var(--space-8);
  border-top: 1px solid rgba(244, 243, 239, 0.1);
}

.method {
  display: grid;
  gap: var(--space-8);
  counter-reset: method;
}

.method__step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4) var(--space-6);
  align-items: baseline;
  counter-increment: method;
}

.method__step::before {
  content: "0" counter(method);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
}

.method__name {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  grid-column: 2;
}

.method__desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  grid-column: 2;
  max-width: 40ch;
}

@media (min-width: 768px) {
  .method {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-12);
  }

  .method__step {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .method__step::before {
    grid-column: 1;
  }

  .method__name {
    grid-column: 1;
  }

  .method__desc {
    grid-column: 1;
  }
}

@media (min-width: 1024px) {
  .method {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Offres création */
.creation__offers {
  display: grid;
  gap: var(--space-6);
}

.offer {
  position: relative;
  padding: var(--space-8);
  background: rgba(10, 11, 13, 0.74);
  backdrop-filter: blur(28px) saturate(1.3);
  -webkit-backdrop-filter: blur(28px) saturate(1.3);
  border: 1px solid rgba(244, 243, 239, 0.08);
  border-radius: 16px;
  box-shadow:
    0 0 0 1px rgba(244, 243, 239, 0.03) inset,
    0 1px 0 0 rgba(244, 243, 239, 0.05) inset,
    0 8px 32px -8px rgba(0, 0, 0, 0.4);
  transition:
    border-color var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out);
}

.offer:hover {
  border-color: rgba(244, 243, 239, 0.12);
  box-shadow:
    0 0 0 1px rgba(244, 243, 239, 0.05) inset,
    0 1px 0 0 rgba(244, 243, 239, 0.08) inset,
    0 16px 48px -12px rgba(0, 0, 0, 0.5);
  transform: translateY(-2px);
}

.offer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 16px;
  right: 16px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(244, 243, 239, 0.15) 20%,
    rgba(244, 243, 239, 0.25) 50%,
    rgba(244, 243, 239, 0.15) 80%,
    transparent 100%
  );
  border-radius: 1px;
  pointer-events: none;
}

.offer__name {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.offer__price {
  font-size: var(--text-lg);
  color: var(--color-accent-glass);
  margin-bottom: var(--space-2);
}

.offer__delay {
  font-size: var(--text-sm);
  color: var(--color-text-secondary-glass);
  margin-bottom: var(--space-6);
}

.offer__audience {
  font-size: var(--text-sm);
  color: var(--color-text-secondary-glass);
  max-width: 32ch;
}

@media (min-width: 768px) {
  .creation__offers {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* -------------------------------------------------------------------------
   Transition
   ------------------------------------------------------------------------- */

.transition {
  padding-block: var(--space-32);
}

.transition__text {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 16ch;
}

@media (min-width: 768px) {
  .transition {
    padding-block: var(--space-32);
  }

  .transition__text {
    font-size: var(--text-4xl);
  }
}

/* -------------------------------------------------------------------------
   Section 6 - Développement commercial (remplaçable par hélice 3D)
   ------------------------------------------------------------------------- */

.developpement {
  position: relative;
  padding-block: var(--space-24);
}

.developpement::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 80% 60% at 50% 50%,
    rgba(10, 11, 13, 0.45) 0%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 0;
}

.developpement__inner {
  position: relative;
  z-index: 1;
}

.developpement > .developpement__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-20);
}

.developpement__header {
  max-width: 36rem;
}

/* Piliers */
.developpement__pillars {
  padding-block: var(--space-8);
  border-top: 1px solid rgba(244, 243, 239, 0.1);
}

.pillars {
  display: grid;
  gap: var(--space-8);
}

.pillar {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6);
  background: rgba(10, 11, 13, 0.88);
  backdrop-filter: blur(28px) saturate(1.3);
  -webkit-backdrop-filter: blur(28px) saturate(1.3);
  border-radius: 12px;
}

.pillar__name {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
}

.pillar__desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary-glass);
  max-width: 36ch;
}

@media (min-width: 768px) {
  .pillars {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-12);
  }
}

@media (min-width: 1024px) {
  .pillars {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Formules accompagnement */
.developpement__plans {
  display: grid;
  gap: var(--space-6);
}

.plan {
  position: relative;
  padding: var(--space-8);
  background: rgba(10, 11, 13, 0.74);
  backdrop-filter: blur(28px) saturate(1.3);
  -webkit-backdrop-filter: blur(28px) saturate(1.3);
  border: 1px solid rgba(244, 243, 239, 0.08);
  border-radius: 16px;
  box-shadow:
    0 0 0 1px rgba(244, 243, 239, 0.03) inset,
    0 1px 0 0 rgba(244, 243, 239, 0.05) inset,
    0 8px 32px -8px rgba(0, 0, 0, 0.4);
  transition:
    border-color var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out);
}

.plan:hover {
  border-color: rgba(244, 243, 239, 0.12);
  box-shadow:
    0 0 0 1px rgba(244, 243, 239, 0.05) inset,
    0 1px 0 0 rgba(244, 243, 239, 0.08) inset,
    0 16px 48px -12px rgba(0, 0, 0, 0.5);
  transform: translateY(-2px);
}

.plan::before {
  content: '';
  position: absolute;
  top: 0;
  left: 16px;
  right: 16px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(244, 243, 239, 0.15) 20%,
    rgba(244, 243, 239, 0.25) 50%,
    rgba(244, 243, 239, 0.15) 80%,
    transparent 100%
  );
  border-radius: 1px;
  pointer-events: none;
}

.plan--highlighted {
  border-color: rgba(200, 135, 62, 0.3);
  background: rgba(10, 11, 13, 0.74);
  box-shadow:
    0 0 0 1px rgba(200, 135, 62, 0.1) inset,
    0 1px 0 0 rgba(200, 135, 62, 0.15) inset,
    0 8px 32px -8px rgba(0, 0, 0, 0.4),
    0 0 24px -8px rgba(200, 135, 62, 0.15);
}

.plan--highlighted:hover {
  border-color: rgba(200, 135, 62, 0.45);
  box-shadow:
    0 0 0 1px rgba(200, 135, 62, 0.15) inset,
    0 1px 0 0 rgba(200, 135, 62, 0.2) inset,
    0 16px 48px -12px rgba(0, 0, 0, 0.5),
    0 0 32px -8px rgba(200, 135, 62, 0.25);
}

.plan--highlighted::before {
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(200, 135, 62, 0.25) 20%,
    rgba(200, 135, 62, 0.4) 50%,
    rgba(200, 135, 62, 0.25) 80%,
    transparent 100%
  );
}

.plan__badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--noir);
  background-color: var(--ambre);
  border-radius: 2px;
}

.plan__name {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.plan__price {
  font-size: var(--text-xl);
  color: var(--color-accent-glass);
  margin-bottom: var(--space-6);
}

.plan__unit {
  font-size: var(--text-sm);
  color: var(--color-text-secondary-glass);
}

.plan__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.plan__features li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary-glass);
  padding-left: var(--space-4);
  position: relative;
}

.plan__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 4px;
  height: 4px;
  background-color: rgba(244, 243, 239, 0.3);
  border-radius: 50%;
}

.plan--highlighted .plan__features li::before {
  background-color: var(--ambre);
}

.developpement__engagement {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 48rem;
  padding: var(--space-8);
  margin-top: var(--space-4);
  background: rgba(10, 11, 13, 0.74);
  backdrop-filter: blur(28px) saturate(1.3);
  -webkit-backdrop-filter: blur(28px) saturate(1.3);
  border: 1px solid rgba(244, 243, 239, 0.08);
  border-radius: 16px;
}

.developpement__engagement-main {
  font-size: var(--text-lg);
  color: var(--color-text);
  line-height: 1.5;
}

.developpement__engagement-why {
  font-size: var(--text-base);
  color: var(--blanc);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .developpement__plans {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Section 6b - À propos : voir branding.css */

/* -------------------------------------------------------------------------
   Section 7 - Estimateur
   ------------------------------------------------------------------------- */

.estimateur {
  position: relative;
  padding-block: var(--space-24);
  overflow: hidden;
}

.estimateur__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.estimateur__header {
  max-width: 24rem;
}

.estimateur__widget {
  max-width: 40rem;
  padding: var(--space-8);
  background: rgba(10, 11, 13, 0.88);
  backdrop-filter: blur(28px) saturate(1.3);
  -webkit-backdrop-filter: blur(28px) saturate(1.3);
  border: 1px solid rgba(244, 243, 239, 0.08);
  border-radius: 16px;
}

/* Progress */
.estimateur__progress {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.estimateur__progress-bar {
  flex: 1;
  height: 2px;
  background-color: var(--ambre);
  transition: width var(--duration-normal) var(--ease-out);
}

.estimateur__progress::before {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: rgba(244, 243, 239, 0.1);
}

.estimateur__progress {
  position: relative;
}

.estimateur__progress-bar {
  position: relative;
  z-index: 1;
}

.estimateur__progress-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary-glass);
  min-width: 3ch;
  text-align: right;
}

/* Questions */
.estimateur__questions {
  position: relative;
  min-height: 280px;
}

.estimateur__question {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  border: none;
  opacity: 0;
  visibility: hidden;
  transform: translateX(20px);
  transition:
    opacity var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out),
    visibility var(--duration-normal);
}

.estimateur__question[data-active="true"] {
  position: relative;
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.estimateur__legend {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}

.estimateur__hint {
  font-size: var(--text-sm);
  color: var(--color-text-secondary-glass);
  margin-bottom: var(--space-8);
}

/* Options */
.estimateur__options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.estimateur__option {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  background: rgba(244, 243, 239, 0.02);
  border: 1px solid rgba(244, 243, 239, 0.1);
  border-radius: 2px;
  cursor: pointer;
  transition:
    border-color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
}

.estimateur__option:hover {
  border-color: rgba(244, 243, 239, 0.25);
}

.estimateur__option:focus-within {
  border-color: var(--ambre);
}

.estimateur__option:has(input:checked) {
  border-color: var(--ambre);
  background: rgba(200, 135, 62, 0.06);
}

.estimateur__option input {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(244, 243, 239, 0.3);
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.estimateur__option input[type="checkbox"] {
  border-radius: 3px;
}

.estimateur__option input:checked {
  border-color: var(--ambre);
}

.estimateur__option input:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background-color: var(--ambre);
  border-radius: 50%;
}

.estimateur__option input[type="checkbox"]:checked::after {
  border-radius: 1px;
  width: 6px;
  height: 6px;
}

.estimateur__option-text {
  font-size: var(--text-base);
  flex: 1;
}

.estimateur__option-hint {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  display: block;
  margin-top: var(--space-1);
}

/* Disabled state for ecommerce on single page */
.estimateur__option--disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.estimateur__option--disabled input {
  cursor: not-allowed;
}

.estimateur__option-disabled-msg {
  display: none;
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-left: auto;
}

.estimateur__option--disabled .estimateur__option-disabled-msg {
  display: block;
}

/* Navigation */
.estimateur__nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.estimateur__btn--prev {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--space-3) var(--space-4);
  transition: color var(--duration-fast) var(--ease-out);
}

.estimateur__btn--prev:hover:not(:disabled) {
  color: var(--color-text);
}

.estimateur__btn--prev:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.estimateur__btn--next,
.estimateur__btn--submit {
  margin-left: auto;
}

.estimateur__btn--next:disabled,
.estimateur__btn--submit:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Result */
.estimateur__result {
  padding-top: var(--space-8);
}

.estimateur__result-content {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

.estimateur__result-content--visible {
  opacity: 1;
  transform: translateY(0);
}

/* Offer match */
.estimateur__offer-match {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.estimateur__offer-match strong {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  display: block;
  margin-top: var(--space-2);
}

/* Range value */
.estimateur__range-value {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  letter-spacing: -0.02em;
  color: var(--ambre);
  margin-bottom: var(--space-8);
}

/* Includes list */
.estimateur__includes {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  padding-left: 0;
}

.estimateur__includes li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding-left: var(--space-5);
  position: relative;
}

.estimateur__includes li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background-color: var(--ambre);
  border-radius: 50%;
}

/* Upsell */
.estimateur__upsell {
  padding: var(--space-6);
  background: rgba(200, 135, 62, 0.06);
  border: 1px solid rgba(200, 135, 62, 0.2);
  border-radius: 2px;
  margin-bottom: var(--space-8);
}

.estimateur__upsell[hidden] {
  display: none;
}

.estimateur__upsell-intro {
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.estimateur__upsell-benefits {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.estimateur__upsell-benefits li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding-left: var(--space-5);
  position: relative;
}

.estimateur__upsell-benefits li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--ambre);
  font-weight: 600;
}

/* Beyond */
.estimateur__beyond {
  padding: var(--space-8) 0;
}

.estimateur__beyond-text {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  color: var(--color-text);
  line-height: 1.3;
}

/* Suggestion */
.estimateur__suggestion {
  padding: var(--space-6);
  background: rgba(244, 243, 239, 0.03);
  border: 1px solid rgba(244, 243, 239, 0.08);
  border-radius: 2px;
  margin-bottom: var(--space-10);
}

.estimateur__suggestion-label {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.estimateur__suggestion-plan {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  margin-bottom: var(--space-1);
}

.estimateur__suggestion-price {
  font-size: var(--text-base);
  color: var(--ambre);
}

.estimateur__result-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-6);
}

.estimateur__restart {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--space-2);
  transition: color var(--duration-fast) var(--ease-out);
}

.estimateur__restart:hover {
  color: var(--color-text);
}

@media (prefers-reduced-motion: reduce) {
  .estimateur__question,
  .estimateur__result-content,
  .estimateur__progress-bar {
    transition: none;
  }

  .estimateur__result-content {
    opacity: 1;
    transform: none;
  }
}

/* -------------------------------------------------------------------------
   Section 7b - Analyse gratuite
   ------------------------------------------------------------------------- */

.audit {
  position: relative;
  z-index: 1;
  padding-block: var(--space-16);
  background: transparent;
}

.audit__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  padding: var(--space-8);
  background: rgba(10, 11, 13, 0.88);
  backdrop-filter: blur(28px) saturate(1.3);
  -webkit-backdrop-filter: blur(28px) saturate(1.3);
  border: 1px solid rgba(244, 243, 239, 0.08);
  border-radius: 16px;
}

.audit__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 36rem;
}

.audit__title {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 400;
}

.audit__text {
  font-size: var(--text-base);
  color: var(--color-text-secondary-glass);
  line-height: 1.6;
}

.audit__form {
  max-width: 36rem;
}

.audit__fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.audit__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.audit__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary-glass);
}

.audit__input {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: rgba(244, 243, 239, 0.03);
  border: 1px solid rgba(244, 243, 239, 0.1);
  border-radius: 2px;
  transition:
    border-color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
}

.audit__input:hover {
  border-color: rgba(244, 243, 239, 0.2);
}

.audit__input:focus {
  outline: none;
  border-color: var(--ambre);
  background-color: rgba(244, 243, 239, 0.05);
}

.audit__input::placeholder {
  color: var(--gris);
}

.audit__submit {
  align-self: flex-start;
  margin-top: var(--space-2);
}

@media (min-width: 768px) {
  .audit__inner {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-16);
  }

  .audit__content {
    flex: 1;
  }

  .audit__form {
    flex: 1;
  }

  .audit__fields {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-4);
  }

  .audit__field {
    flex: 1;
    min-width: 160px;
  }

  .audit__submit {
    align-self: flex-end;
    margin-top: 0;
  }
}

/* -------------------------------------------------------------------------
   Section 8 - Contact
   ------------------------------------------------------------------------- */

.contact {
  position: relative;
  z-index: 1;
  padding-block: var(--space-24);
  overflow: hidden;
}

.contact__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: var(--space-12);
  padding: var(--space-10);
  background: rgba(10, 11, 13, 0.88);
  backdrop-filter: blur(28px) saturate(1.3);
  -webkit-backdrop-filter: blur(28px) saturate(1.3);
  border: 1px solid rgba(244, 243, 239, 0.08);
  border-radius: 16px;
}

.contact__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 28rem;
}

.contact__intro {
  font-size: var(--text-lg);
  color: var(--color-text-secondary-glass);
}

.contact__form-wrapper {
  max-width: 28rem;
}

.contact__portrait {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-6);
  border-radius: 50%;
  overflow: hidden;
}

.contact__portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.contact__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary-glass);
}

.contact__input,
.contact__textarea {
  padding: var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: rgba(244, 243, 239, 0.03);
  border: 1px solid rgba(244, 243, 239, 0.12);
  border-radius: 2px;
  transition:
    border-color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
}

.contact__input:hover,
.contact__textarea:hover {
  border-color: rgba(244, 243, 239, 0.25);
}

.contact__input:focus,
.contact__textarea:focus {
  outline: none;
  border-color: var(--ambre);
  background-color: rgba(244, 243, 239, 0.05);
}

.contact__input[aria-invalid="true"],
.contact__textarea[aria-invalid="true"] {
  border-color: #c85a5a;
}

.contact__textarea {
  resize: vertical;
  min-height: 140px;
}

.contact__error {
  font-size: var(--text-sm);
  color: #e07a7a;
}

.contact__submit {
  align-self: flex-start;
  min-width: 140px;
}

.contact__submit-text[hidden],
.contact__submit-loading[hidden] {
  display: none;
}

.contact__submit-loading {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.contact__spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(10, 11, 13, 0.2);
  border-top-color: var(--noir);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.contact__note {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* Hidden state */
.contact__form[hidden],
.contact__success[hidden],
.contact__error[hidden] {
  display: none;
}

/* Success state */
.contact__success {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-10) 0;
}

.contact__success-icon {
  color: var(--ambre);
  margin-bottom: var(--space-2);
}

.contact__success-title {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
}

.contact__success-text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

@media (min-width: 768px) {
  .contact__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .contact__spinner {
    animation: none;
  }

  .proof-card,
  .offer,
  .plan {
    transition: none;
  }

  .proof-card:hover,
  .offer:hover,
  .plan:hover {
    transform: none;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .proof-card,
  .offer,
  .plan {
    background: rgba(10, 11, 13, 0.95);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}