/* ============================================================
   PETFY — Design System
   ============================================================ */

/* ---------- VARIABLES ---------- */
:root {
  --c-dark:    #1e1109;
  --c-primary: #513b26;
  --c-brown:   #7a5535;
  --c-gold:    #b78555;
  --c-light:   #ebceb5;
  --c-bg:      #fffbf7;
  --c-surface: #faf5f0;
  --c-border:  #eddccc;
  --c-text:    #2d1f12;
  --c-muted:   #7a6050;

  --grad-main:   linear-gradient(135deg, #1e1109 0%, #513b26 45%, #7a5535 75%, #b78555 100%);
  --grad-gold:   linear-gradient(90deg, #b78555, #d4a472);
  --grad-subtle: linear-gradient(135deg, #faf5f0 0%, #f0e0d0 100%);

  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 36px;

  --sh-sm: 0 2px 10px rgba(81, 59, 38, .07);
  --sh-md: 0 8px 30px rgba(81, 59, 38, .11);
  --sh-lg: 0 22px 60px rgba(81, 59, 38, .16);

  --ease: cubic-bezier(.4, 0, .2, 1);
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Baloo Chettan 2", sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; }
h1, h2, h3 { line-height: 1.2; }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.visible,
.reveal-left.visible,
.reveal-right.visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .22s; }
.delay-3 { transition-delay: .34s; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 68px;
  display: flex;
  align-items: center;
  z-index: 1000;
  background: transparent;
  transition: background .35s var(--ease), backdrop-filter .35s, box-shadow .35s;
}
.site-header.scrolled,
.site-header.header--solid {
  background: rgba(255, 251, 247, .92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--c-border);
}

/* -------- HEADER SOMBRE (home page, avant scroll) -------- */
/* Appliqué via la classe header--dark sur index.html          */
.header--dark .logo img {
  filter: brightness(0) invert(1);
  opacity: .92;
}
.header--dark .main-nav a {
  color: rgba(255, 255, 255, .88);
}
.header--dark .main-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, .12);
}
.header--dark .nav-cta {
  background: rgba(255, 255, 255, .18) !important;
  color: #fff !important;
  border: 1.5px solid rgba(255, 255, 255, .38) !important;
}
.header--dark .nav-cta:hover {
  background: rgba(255, 255, 255, .28) !important;
}
.header--dark .nav-toggle span {
  background: rgba(255, 255, 255, .92);
}

/* Retour aux couleurs normales quand le header devient blanc (scroll) */
.header--dark.scrolled .logo img    { filter: none; opacity: 1; }
.header--dark.scrolled .main-nav a  { color: var(--c-text); }
.header--dark.scrolled .main-nav a:hover { color: var(--c-primary); background: var(--c-surface); }
.header--dark.scrolled .nav-cta     { background: var(--c-primary) !important; color: #fff !important; border: none !important; }
.header--dark.scrolled .nav-toggle span { background: var(--c-primary); }
.header-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo img { height: 38px; width: auto; transition: filter .35s var(--ease); }

.main-nav ul {
  display: flex;
  gap: 2px;
  list-style: none;
  align-items: center;
}
.main-nav a {
  padding: 8px 15px;
  font-size: 15px;
  font-weight: 500;
  color: var(--c-text);
  border-radius: var(--r-sm);
  transition: color .2s, background .2s;
}
.main-nav a:hover { color: var(--c-primary); background: var(--c-surface); }

.nav-cta {
  background: var(--c-primary) !important;
  color: #fff !important;
  margin-left: 6px;
  font-weight: 600 !important;
  transition: background .2s !important;
}
.nav-cta:hover { background: #3e2c1b !important; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px;
  border-radius: var(--r-sm);
}
.nav-toggle span {
  display: block;
  width: 23px;
  height: 2px;
  background: var(--c-primary);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   BOUTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--r-md);
  font-family: "Baloo Chettan 2", sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  width: fit-content;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), background .22s;
}
.btn:hover { transform: translateY(-3px); }

.btn-primary {
  background: rgba(255, 255, 255, .92);
  color: var(--c-primary);
  box-shadow: 0 4px 18px rgba(0, 0, 0, .12);
}
.btn-primary:hover { background: #fff; box-shadow: var(--sh-md); }

.btn-secondary {
  background: rgba(255, 255, 255, .12);
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .38);
  backdrop-filter: blur(8px);
}
.btn-secondary:hover { background: rgba(255, 255, 255, .22); }

.btn-project {
  background: var(--grad-main);
  color: #fff;
  box-shadow: 0 6px 22px rgba(81, 59, 38, .3);
}
.btn-project:hover { box-shadow: 0 12px 34px rgba(81, 59, 38, .42); }

/* ============================================================
   BANNIÈRE
   ============================================================ */
.banner {
  position: relative;
  /* Pas de margin-top : la bannière part de y=0 et passe DERRIÈRE le header transparent */
  min-height: 100vh;
  background: var(--grad-main);
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Gradient sombre en haut pour que le header reste lisible */
.banner::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 140px;
  background: linear-gradient(to bottom, rgba(0, 0, 0, .28), transparent);
  z-index: 1;
  pointer-events: none;
}

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

.banner-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255, 255, 255, .055) 1px, transparent 1px);
  background-size: 28px 28px;
}

.banner-blob { position: absolute; border-radius: 50%; }
.banner-blob--1 {
  width: 620px; height: 620px;
  background: rgba(183, 133, 85, .2);
  top: -200px; right: -120px;
  animation: blobFloat 14s ease-in-out infinite;
}
.banner-blob--2 {
  width: 360px; height: 360px;
  background: rgba(255, 255, 255, .04);
  bottom: -120px; left: -80px;
  animation: blobFloat 10s ease-in-out infinite reverse;
}
.banner-blob--3 {
  width: 220px; height: 220px;
  background: rgba(235, 206, 181, .1);
  top: 38%; right: 30%;
  animation: blobFloat 8s ease-in-out infinite 1.5s;
}

.banner-paw-deco {
  position: absolute;
  right: 6%; top: 50%;
  transform: translateY(-50%);
  width: 340px; height: 340px;
  color: rgba(255, 255, 255, .055);
  animation: pawSpin 60s linear infinite;
}

.banner-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 28px 40px; /* 80px en haut = passe sous le header fixe */
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: center;
}

.banner-text {
  opacity: 0;
  animation: fadeInUp .9s var(--ease) .2s forwards;
}

.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, .88);
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 26px;
  backdrop-filter: blur(8px);
}

.banner-text h1 {
  font-size: clamp(30px, 4.2vw, 52px);
  font-weight: 700;
  color: #f5e8d8;
  margin-bottom: 18px;
  line-height: 1.15;
  opacity: 0;
  animation: fadeInUp .8s var(--ease) .35s forwards;
}
.banner-text h1 .highlight {
  background: linear-gradient(90deg, #e8c49a, #f0d5b0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.banner-text h2 {
  font-size: 18px;
  font-weight: 400;
  color: rgba(255, 255, 255, .72);
  margin-bottom: 38px;
  max-width: 460px;
  line-height: 1.65;
  opacity: 0;
  animation: fadeInUp .8s var(--ease) .5s forwards;
}

.banner-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp .8s var(--ease) .65s forwards;
}

.banner-visual {
  opacity: 0;
  animation: fadeInRight .9s var(--ease) .4s forwards;
}

.banner-phone {
  width: 210px;
  aspect-ratio: 9 / 19.5;
  border-radius: 38px;
  background: #0a0a0a;
  padding: 10px;
  box-shadow:
    0 30px 80px rgba(0, 0, 0, .55),
    0 0 0 1px rgba(255, 255, 255, .08),
    inset 0 1px 0 rgba(255, 255, 255, .1);
  position: relative;
  overflow: hidden;
  transform: rotate(-5deg);
  transition: transform .4s var(--ease);
}
.banner-phone:hover { transform: rotate(-2deg) translateY(-8px); }
.banner-phone::before {
  content: "";
  position: absolute;
  top: 8px; left: 50%;
  transform: translateX(-50%);
  width: 58px; height: 7px;
  background: #111;
  border-radius: 999px;
  z-index: 2;
}
.banner-phone img {
  width: 100%; height: 100%;
  border-radius: 30px;
  object-fit: contain;
  background: #000;
}

/* ============================================================
   SECTION LABEL (chips de section)
   ============================================================ */
.section-label {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  background: var(--c-surface);
  color: var(--c-gold);
  border: 1px solid var(--c-border);
  margin-bottom: 14px;
}

/* ============================================================
   ACCUEIL : LE PROJET
   ============================================================ */
.home-project { padding: 100px 24px; background: var(--c-bg); }
.home-project-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.home-project-image img {
  width: 100%;
  border-radius: var(--r-xl);
  box-shadow: var(--sh-lg);
  transition: transform .35s var(--ease), box-shadow .35s;
}
.home-project-image img:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 32px 72px rgba(81, 59, 38, .2);
}
.home-project-text h2 {
  font-size: clamp(20px, 2.6vw, 30px);
  color: var(--c-primary);
  margin-bottom: 16px;
}
.home-project-text p {
  color: var(--c-muted);
  line-height: 1.75;
  margin-bottom: 14px;
  font-size: 16px;
}
.home-project-button { margin-top: 28px; display: flex; }

/* ============================================================
   ACCUEIL : L'APPLICATION
   ============================================================ */
.home-app { padding: 100px 24px; background: var(--c-surface); }
.home-app-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 64px;
  align-items: center;
}
.home-app-text h2 {
  font-size: clamp(20px, 2.6vw, 30px);
  color: var(--c-primary);
  margin-bottom: 16px;
}
.home-app-text p {
  color: var(--c-muted);
  line-height: 1.75;
  margin-bottom: 14px;
  font-size: 16px;
}
.home-app-button { margin-top: 28px; }
.home-app-visual { display: flex; justify-content: center; }

/* ============================================================
   PHONE MOCKUP (sections app)
   ============================================================ */
.app-phone {
  width: 220px;
  aspect-ratio: 9 / 19.5;
  border-radius: 36px;
  background: #0a0a0a;
  padding: 10px;
  box-shadow: var(--sh-lg);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s var(--ease), box-shadow .3s;
}
.app-phone::before {
  content: "";
  position: absolute;
  top: 8px; left: 50%;
  transform: translateX(-50%);
  width: 62px; height: 7px;
  background: #151515;
  border-radius: 999px;
  z-index: 2;
}
.app-phone img {
  width: 100%; height: 100%;
  border-radius: 28px;
  object-fit: contain;
  background: #000;
}
.app-phone:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 64px rgba(0, 0, 0, .3);
}
.app-phone-screen {
  width: 100%; height: 100%;
  border-radius: 28px;
  overflow: hidden;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.app-phone-screen img {
  width: 100%; height: 100%;
  object-fit: contain;
}

/* ============================================================
   SECTION CONTACT (accueil)
   ============================================================ */
.home-contact { padding: 100px 24px; background: var(--c-bg); }
.home-contact-inner { max-width: 860px; margin: 0 auto; }
.contact-header { text-align: center; margin-bottom: 50px; }
.contact-header h2 {
  font-size: clamp(22px, 3vw, 34px);
  color: var(--c-primary);
  margin-bottom: 12px;
}
.contact-header p {
  font-size: 17px;
  color: var(--c-muted);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Formulaire */
.contact-form {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: 44px 40px;
  box-shadow: var(--sh-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.form-group { display: flex; flex-direction: column; }
.form-group.full { grid-column: 1 / 3; }
label {
  font-size: 13px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 7px;
  letter-spacing: .02em;
  text-transform: uppercase;
}
input, select, textarea {
  font-family: "Baloo Chettan 2", sans-serif;
  font-size: 15px;
  padding: 12px 16px;
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-bg);
  color: var(--c-text);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--c-gold);
  box-shadow: 0 0 0 4px rgba(183, 133, 85, .1);
}
textarea { resize: none; }

.contact-btn {
  grid-column: 1 / 3;
  justify-self: center;
  background: var(--grad-main);
  color: #fff;
  padding: 14px 44px;
  font-size: 16px;
  box-shadow: 0 8px 26px rgba(81, 59, 38, .28);
}
.contact-btn:hover { box-shadow: 0 14px 40px rgba(81, 59, 38, .4); }

/* ============================================================
   PAGE LE PROJET
   ============================================================ */
.page-project { padding: 110px 24px 90px; }
.page-project-inner { max-width: 1100px; margin: 0 auto; }

.project-hero { text-align: center; margin-bottom: 64px; }
.project-tagline {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  background: var(--c-surface);
  color: var(--c-gold);
  border: 1px solid var(--c-border);
  margin-bottom: 20px;
}
.project-hero h1 {
  font-size: clamp(24px, 3.8vw, 42px);
  color: var(--c-primary);
  margin-bottom: 18px;
}
.project-hero p {
  max-width: 680px;
  margin: 0 auto;
  font-size: 18px;
  color: var(--c-muted);
  line-height: 1.75;
}

.project-illustration { max-width: 900px; margin: 0 auto 72px; }
.project-illustration img {
  width: 100%;
  border-radius: var(--r-xl);
  box-shadow: var(--sh-lg);
}

.project-section { margin-bottom: 72px; }
.project-section-title { font-size: 22px; color: var(--c-primary); margin-bottom: 12px; }
.project-section-text { color: var(--c-muted); line-height: 1.75; font-size: 16px; }

.project-two-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.project-block {
  padding: 30px 28px;
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--c-border);
  box-shadow: var(--sh-sm);
  transition: transform .25s var(--ease), box-shadow .25s;
}
.project-block:hover { transform: translateY(-5px); box-shadow: var(--sh-md); }

/* Audience */
.project-audience { margin-bottom: 72px; }
.project-audience-title {
  font-size: clamp(20px, 2.5vw, 28px);
  color: var(--c-primary);
  text-align: center;
  margin-bottom: 36px;
}
.project-audience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.audience-card {
  border-radius: var(--r-lg);
  padding: 30px 26px;
  background: #fff;
  border: 1px solid var(--c-border);
  box-shadow: var(--sh-sm);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform .25s var(--ease), box-shadow .25s;
}
.audience-card:hover { transform: translateY(-6px); box-shadow: var(--sh-md); }
.audience-header { display: flex; align-items: flex-start; gap: 14px; }
.audience-icon {
  width: 44px; height: 44px;
  border-radius: var(--r-sm);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  color: var(--c-gold);
  flex-shrink: 0;
}
.audience-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--c-gold);
}
.audience-title { font-size: 17px; color: var(--c-primary); margin: 4px 0 0; line-height: 1.35; }
.audience-list { list-style: none; padding: 0; margin: 0; }
.audience-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 7px;
  font-size: 14px;
  color: var(--c-muted);
  line-height: 1.55;
}
.audience-list li::before {
  content: "•";
  position: absolute;
  left: 0; top: 0;
  color: var(--c-gold);
  font-size: 17px;
  line-height: 1;
}

/* Objectif */
.project-goal {
  padding: 46px 42px;
  border-radius: var(--r-xl);
  background: var(--grad-main);
  color: #fff;
  text-align: center;
  box-shadow: 0 22px 64px rgba(30, 17, 9, .32);
}
.project-goal-title { font-size: 24px; margin-bottom: 12px; }
.project-goal-text {
  font-size: 17px;
  line-height: 1.75;
  opacity: .86;
  max-width: 600px;
  margin: 0 auto;
}
.project-cta { margin-top: 30px; display: flex; justify-content: center; }
.project-cta .btn {
  background: rgba(255, 255, 255, .14);
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .34);
  backdrop-filter: blur(8px);
}
.project-cta .btn:hover { background: rgba(255, 255, 255, .24); }

/* ============================================================
   PAGE L'APPLICATION
   ============================================================ */
.page-app { padding: 110px 24px 90px; }
.page-app-inner { max-width: 1100px; margin: 0 auto; }

.app-hero { text-align: center; margin-bottom: 64px; }
.app-hero-tagline {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  background: var(--c-surface);
  color: var(--c-gold);
  border: 1px solid var(--c-border);
  margin-bottom: 20px;
}
.app-hero h1 { font-size: clamp(24px, 3.8vw, 42px); color: var(--c-primary); margin-bottom: 16px; }
.app-hero p {
  max-width: 620px;
  margin: 0 auto;
  font-size: 18px;
  color: var(--c-muted);
  line-height: 1.75;
}
.app-hero-phones {
  margin-top: 50px;
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}

/* Steps */
.app-steps { margin-bottom: 72px; }
.app-steps-header { text-align: center; margin-bottom: 38px; }
.app-steps-header h2 {
  font-size: clamp(20px, 2.5vw, 28px);
  color: var(--c-primary);
  margin-bottom: 10px;
}
.app-steps-header p { color: var(--c-muted); font-size: 16px; }
.app-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.app-step-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 26px 24px;
  box-shadow: var(--sh-sm);
  transition: transform .25s var(--ease), box-shadow .25s;
}
.app-step-card:hover { transform: translateY(-5px); box-shadow: var(--sh-md); }
.app-step-number {
  width: 38px; height: 38px;
  border-radius: 999px;
  background: var(--grad-main);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 14px;
}
.app-step-title { font-size: 17px; color: var(--c-primary); margin-bottom: 7px; }
.app-step-text { font-size: 14px; color: var(--c-muted); line-height: 1.6; }

/* App audience */
.app-audience { margin-bottom: 72px; }
.app-audience-intro {
  text-align: center;
  max-width: 580px;
  margin: 0 auto 30px;
  color: var(--c-muted);
  line-height: 1.7;
  font-size: 16px;
}

/* Features */
.app-features { margin-bottom: 72px; }
.app-features-title {
  font-size: clamp(20px, 2.5vw, 28px);
  color: var(--c-primary);
  text-align: center;
  margin-bottom: 34px;
}
.app-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.app-feature-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 24px 22px;
  box-shadow: var(--sh-sm);
  transition: transform .25s var(--ease), box-shadow .25s;
}
.app-feature-card:hover { transform: translateY(-4px); box-shadow: var(--sh-md); }
.feature-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.feature-icon {
  width: 42px; height: 42px;
  border-radius: var(--r-sm);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  flex-shrink: 0;
}
.app-feature-title { font-size: 16px; color: var(--c-primary); font-weight: 600; }
.app-feature-text { font-size: 14px; color: var(--c-muted); line-height: 1.6; }

/* App CTA */
.app-cta {
  padding: 46px 42px;
  border-radius: var(--r-xl);
  background: var(--grad-main);
  color: #fff;
  text-align: center;
  box-shadow: 0 22px 64px rgba(30, 17, 9, .32);
}
.app-cta-title { font-size: 24px; margin-bottom: 10px; }
.app-cta-text { font-size: 17px; opacity: .84; margin-bottom: 26px; line-height: 1.65; }
.app-cta-btn {
  background: rgba(255, 255, 255, .14);
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .34);
  backdrop-filter: blur(8px);
}
.app-cta-btn:hover { background: rgba(255, 255, 255, .24); }

/* ============================================================
   PAGE CONTACT
   ============================================================ */
.page-contact { padding: 110px 24px 90px; }
.page-contact-inner { max-width: 640px; margin: 0 auto; }

.contact-hero { text-align: center; margin-bottom: 50px; }
.contact-tagline {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  background: var(--c-surface);
  color: var(--c-gold);
  border: 1px solid var(--c-border);
  margin-bottom: 20px;
}
.contact-hero h1 {
  font-size: clamp(24px, 3.5vw, 38px);
  color: var(--c-primary);
  margin-bottom: 14px;
}
.contact-hero p { font-size: 17px; color: var(--c-muted); line-height: 1.7; }

.contact-form-section .contact-form {
  grid-template-columns: 1fr;
  padding: 36px 32px;
}
.contact-form-section .form-group.full { grid-column: auto; }
.contact-submit {
  background: var(--grad-main);
  color: #fff;
  padding: 14px 44px;
  font-size: 16px;
  box-shadow: 0 8px 26px rgba(81, 59, 38, .28);
  justify-self: center;
  margin-top: 8px;
}
.contact-submit:hover { box-shadow: 0 14px 40px rgba(81, 59, 38, .4); }

.form-success {
  grid-column: 1 / -1;
  background: #f0faf4;
  border: 1.5px solid #6dbd8a;
  color: #2d6e4e;
  border-radius: var(--r-md);
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .4s var(--ease), transform .4s var(--ease);
}
.form-success.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--c-dark);
  padding: 56px 24px 32px;
}
.footer-inner { max-width: 1100px; margin: 0 auto; }

.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
  margin-bottom: 32px;
}
.footer-brand img {
  height: 34px;
  width: auto;
  margin-bottom: 14px;
  filter: brightness(0) invert(1);
  opacity: .8;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, .4);
  line-height: 1.7;
  max-width: 250px;
}
.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: rgba(255, 255, 255, .3);
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, .5);
  transition: color .2s;
}
.footer-col ul li a:hover { color: var(--c-light); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-bottom p { font-size: 13px; color: rgba(255, 255, 255, .28); }

/* ============================================================
   BOUTON RETOUR EN HAUT
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 28px; right: 24px;
  width: 48px; height: 48px;
  border-radius: 999px;
  background: var(--grad-main);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity .3s, transform .3s, box-shadow .2s;
  z-index: 9999;
  box-shadow: 0 6px 22px rgba(30, 17, 9, .32);
}
.back-to-top:hover { box-shadow: 0 12px 32px rgba(30, 17, 9, .45); }
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes blobFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-26px) scale(1.04); }
}
@keyframes pawSpin {
  from { transform: translateY(-50%) rotate(0deg); }
  to   { transform: translateY(-50%) rotate(360deg); }
}

.animate-fade-up   { opacity: 0; animation: fadeUp  .8s var(--ease) forwards; }
.animate-fade-down { opacity: 0; animation: fadeDown .8s var(--ease) forwards; }
.animate-delay-1   { animation-delay: .15s; }
.animate-delay-2   { animation-delay: .30s; }
.animate-delay-3   { animation-delay: .45s; }

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .banner-text, .banner-text h1, .banner-text h2,
  .banner-buttons, .banner-visual,
  .banner-blob, .banner-paw-deco,
  .reveal, .reveal-left, .reveal-right,
  .animate-fade-up, .animate-fade-down {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ============================================================
   RESPONSIVE — TABLETTE (< 900px)
   ============================================================ */
@media (max-width: 900px) {
  .home-project-inner,
  .home-app-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .home-project-button { justify-content: center; }
  .home-app-visual { order: -1; }

  .project-two-columns { grid-template-columns: 1fr; }
  .project-audience-grid { grid-template-columns: 1fr; }
  .app-steps-grid { grid-template-columns: 1fr; }
  .app-features-grid { grid-template-columns: 1fr; }

  .app-hero-phones { gap: 18px; }
  .app-phone { width: 170px; }
  .banner-phone { width: 175px; }

  .project-goal, .app-cta { padding: 34px 24px; }

  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / 3; }

  .page-project, .page-app { padding: 100px 16px 60px; }
  .home-project, .home-app, .home-contact { padding: 72px 16px; }
}

/* ============================================================
   RESPONSIVE — MOBILE (< 768px)
   ============================================================ */
@media (max-width: 768px) {
  .site-header { height: auto; }
  .header-inner { flex-wrap: wrap; padding: 12px 20px; gap: 0; }
  .logo { flex: 1; }
  .nav-toggle { display: flex; }

  .main-nav {
    width: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s var(--ease), padding .35s;
  }
  .main-nav.open {
    max-height: 340px;
    padding: 12px 0 20px;
    background: rgba(255, 251, 247, .97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--c-border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .07);
    border-radius: 0 0 var(--r-lg) var(--r-lg);
  }
  /* Forcer texte sombre dans le menu ouvert, quelle que soit la page */
  .main-nav.open a { color: var(--c-text) !important; }
  .main-nav.open a:hover { color: var(--c-primary) !important; background: var(--c-surface); }
  .main-nav.open .nav-cta {
    background: var(--c-primary) !important;
    color: #fff !important;
    border: none !important;
    margin-top: 4px;
  }

  .main-nav ul { flex-direction: column; gap: 2px; align-items: stretch; }
  .main-nav a { padding: 12px 20px; display: block; width: 100%; border-radius: var(--r-sm); font-size: 16px; }
  .nav-cta { margin-left: 0 !important; }

  .banner { min-height: 100vh; padding: 0; }
  .banner-content {
    grid-template-columns: 1fr;
    gap: 0;
    text-align: center;
    padding: 90px 24px 50px; /* 90px en haut = passe sous le header mobile */
    align-items: center;
  }
  .banner-visual { display: none; }
  .banner-text { padding: 0; }
  .banner-text h1 { font-size: clamp(26px, 8vw, 36px); }
  .banner-text h2 { margin-left: auto; margin-right: auto; font-size: 16px; }
  .banner-buttons { justify-content: center; flex-direction: column; align-items: stretch; gap: 12px; }
  .banner-buttons .btn { width: 100%; justify-content: center; font-size: 16px; padding: 14px 20px; }

  .contact-form {
    grid-template-columns: 1fr;
    padding: 24px 18px;
    border-radius: var(--r-lg);
  }
  .form-group.full, .contact-btn { grid-column: 1 / 2; }
  .contact-btn { width: 100%; justify-content: center; }

  .footer-top { grid-template-columns: 1fr; gap: 28px; padding-bottom: 28px; }
  .footer-brand { grid-column: 1; }
  .footer-brand p { max-width: 100%; }
  .footer-bottom { text-align: center; }

  .page-contact-inner { max-width: 100%; }
  .contact-form-section .contact-form { padding: 24px 18px; }
  .contact-submit { width: 100%; justify-content: center; }

  /* Cartes mobile */
  .project-block, .audience-card, .app-step-card, .app-feature-card {
    padding: 22px 18px;
  }
  .project-goal, .app-cta { padding: 32px 20px; border-radius: var(--r-lg); }

  /* Sections padding réduit */
  .home-project, .home-app, .home-contact { padding: 60px 16px; }
  .page-project, .page-app, .page-contact { padding: 90px 16px 60px; }

  /* Titre hero mobile */
  .project-hero h1, .app-hero h1 { font-size: clamp(22px, 6vw, 30px); }
  .project-hero p, .app-hero p { font-size: 16px; }
}