/* =========================================================
   NEXA WEB — STYLESHEET
   Sommaire :
   1. Variables & reset
   2. Utilitaires (container, boutons, texte accent)
   3. Header / Navigation
   4. Hero section
   5. Animations au scroll
   6. Responsive (mobile / tablette)
   ========================================================= */

/* ---------- 1. Variables & reset ---------- */
:root {
  --color-bg: #0d0d0d;
  --color-bg-soft: #111827;
  --color-surface: #16161f;
  --color-border: #2a2a35;
  --color-text: #f5f5f5;
  --color-text-muted: #a0a0ad;
  --color-accent: #a855f7;
  --color-accent-soft: #a855f733;
  --color-accent-strong: #c084fc;

  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  --container-width: 1140px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --transition: 0.3s ease;
}

/* Mode clair : surcharge des variables ci-dessus quand <html data-theme="light"> */
:root[data-theme="light"] {
  --color-bg: #ffffff;
  --color-bg-soft: #f8f8ff;
  --color-surface: #ffffff;
  --color-border: #e2e2ec;
  --color-text: #0f172a;
  --color-text-muted: #4a5568;
  --color-accent: #6366f1;
  --color-accent-soft: #6366f11f;
  --color-accent-strong: #4f46e5;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 112px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  line-height: 1.25;
}

/* ---------- 2. Utilitaires ---------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.text-accent {
  color: var(--color-accent-strong);
}

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 0 16px var(--color-accent-soft);
}

.btn--primary:hover {
  background: var(--color-accent-strong);
  box-shadow: 0 0 28px var(--color-accent-soft), 0 0 50px var(--color-accent-soft);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-strong);
  box-shadow: 0 0 18px var(--color-accent-soft);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 16px 32px;
  font-size: 1rem;
}

/* ---------- 3. Topbar / Header / Navigation ---------- */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1001;
  height: 36px;
  background: var(--color-bg-soft);
  border-bottom: 1px solid var(--color-border);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.topbar__location,
.topbar__phones {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar__phone {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.topbar__phone:hover {
  color: var(--color-accent-strong);
}

.topbar__sep {
  color: var(--color-border);
}

.header {
  position: fixed;
  top: 36px;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(13, 13, 13, 0.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
}

[data-theme="light"] .header {
  background: rgba(255, 255, 255, 0.92);
  border-bottom: none;
  box-shadow: 0 2px 18px rgba(15, 23, 42, 0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 76px;
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  flex-shrink: 0;
}

.logo__accent {
  color: var(--color-accent);
  text-shadow: 0 0 18px var(--color-accent-soft);
}

.nav {
  flex: 1;
  display: flex;
  justify-content: center;
  min-width: 0;
  overflow: hidden;
}

.nav__list {
  display: flex;
  gap: 22px;
  white-space: nowrap;
}

.nav__link {
  font-size: 0.89rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition);
}

.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

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

.nav__link:hover::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.btn--header {
  flex-shrink: 0;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.theme-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-strong);
}

.theme-toggle__icon {
  width: 17px;
  height: 17px;
}

.theme-toggle__icon--sun {
  display: none;
}

[data-theme="light"] .theme-toggle__icon--moon {
  display: none;
}

[data-theme="light"] .theme-toggle__icon--sun {
  display: block;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  height: 36px;
  padding: 0 10px;
  flex-shrink: 0;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.lang-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-strong);
}

.lang-toggle__flag {
  font-size: 1rem;
  line-height: 1;
}

/* Burger (mobile) */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1100;
}

.burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.burger.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger.is-active span:nth-child(2) {
  opacity: 0;
}

.burger.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- 4. Hero section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 112px;
  overflow: hidden;
}

[data-theme="light"] .hero__glow,
[data-theme="light"] .why__glow,
[data-theme="light"] .page-banner__glow {
  display: none;
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

.hero__glow--1 {
  width: 480px;
  height: 480px;
  top: -120px;
  right: -100px;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  opacity: 0.25;
}

.hero__glow--2 {
  width: 380px;
  height: 380px;
  bottom: -140px;
  left: -120px;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  opacity: 0.18;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  text-align: center;
  margin: 0 auto;
  padding-top: 60px;
  padding-bottom: 60px;
}

.hero__tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
  background: var(--color-accent-soft);
  border: 1px solid var(--color-accent-soft);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 36px;
}

.hero__actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- 4b. Section head (titre commun aux sections) ---------- */
.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 14px;
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

/* ---------- 4c. Services section ---------- */
.services {
  padding: 100px 0;
  position: relative;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent);
  box-shadow: 0 0 30px var(--color-accent-soft);
}

.service-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
  margin-bottom: 20px;
}

.service-card__icon svg {
  width: 26px;
  height: 26px;
}

.service-card__title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.service-card__text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* ---------- 4d. Pourquoi Nexa Web ---------- */
.why {
  position: relative;
  padding: 100px 0;
  background: var(--color-bg-soft);
  overflow: hidden;
}

.why__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  opacity: 0.08;
  filter: blur(100px);
  pointer-events: none;
}

.why__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  text-align: center;
  padding: 28px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.why-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent);
  box-shadow: 0 0 30px var(--color-accent-soft);
}

.why-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
}

.why-card__icon svg {
  width: 26px;
  height: 26px;
}

.why-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.why-card__text {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

/* ---------- 4e. Réalisations / Portfolio ---------- */
.portfolio {
  padding: 100px 0;
}

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

.portfolio-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent);
  box-shadow: 0 0 30px var(--color-accent-soft);
}

.portfolio-card__visual {
  position: relative;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(245, 245, 245, 0.35);
}

.portfolio-card__visual svg {
  width: 56px;
  height: 56px;
}

.portfolio-card__visual--1 {
  background: linear-gradient(135deg, #1f1330, #2a1a40);
}

.portfolio-card__visual--2 {
  background: linear-gradient(135deg, #1a1a2e, #2d1b3d);
}

.portfolio-card__visual--3 {
  background: linear-gradient(135deg, #211435, #34204a);
}

.portfolio-card__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent-strong);
  background: rgba(13, 13, 13, 0.7);
  border: 1px solid var(--color-accent-soft);
  padding: 4px 12px;
  border-radius: 999px;
}

.portfolio-card__body {
  padding: 24px;
}

.portfolio-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.portfolio-card__text {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.portfolio-card__link {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent-strong);
  transition: opacity var(--transition);
}

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

/* ---------- 4f. Bannière de page (pages secondaires : tarifs, etc.) ---------- */
.page-banner {
  position: relative;
  padding: 160px 0 80px;
  overflow: hidden;
  text-align: center;
}

.page-banner__glow {
  position: absolute;
  top: -160px;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  opacity: 0.22;
  filter: blur(100px);
  pointer-events: none;
}

.page-banner__inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.page-banner__title {
  font-size: clamp(2rem, 4.5vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.page-banner__subtitle {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

/* Indique le lien de navigation correspondant à la page active */
.nav__link--active {
  color: var(--color-accent-strong);
}

.nav__link--active::after {
  width: 100%;
}

/* ---------- 4g. Section Tarifs ---------- */
.pricing {
  padding: 40px 0 110px;
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
  margin-bottom: 18px;
}

.pricing-card__icon svg {
  width: 22px;
  height: 22px;
}

.pricing-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent);
  box-shadow: 0 0 30px var(--color-accent-soft);
}

.pricing-card--featured {
  border-color: var(--color-accent);
  background: linear-gradient(160deg, var(--color-surface), #1c1228);
  box-shadow: 0 0 40px var(--color-accent-soft);
  transform: scale(1.03);
}

.pricing-card--featured:hover {
  transform: scale(1.03) translateY(-6px);
}

.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 999px;
  box-shadow: 0 0 18px var(--color-accent-soft);
}

.pricing-card__name {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.pricing-card__tagline {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.pricing-card__price {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.pricing-card__amount {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-top: 4px;
}

.pricing-card__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-card__list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.pricing-card__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent-strong);
  font-weight: 700;
}

.pricing-card__cta {
  text-align: center;
  width: 100%;
}

.pricing__note {
  margin-top: 36px;
  text-align: center;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

/* ---------- 4h. Section Contact ---------- */
.contact-section {
  padding: 20px 0 110px;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-group textarea {
  resize: vertical;
}

.contact-form__submit {
  align-self: flex-start;
  margin-top: 8px;
}

.contact-form__feedback {
  font-size: 0.9rem;
  min-height: 1.2em;
}

.contact-form__feedback[data-state="success"] {
  color: #4ade80;
}

.contact-form__feedback[data-state="error"] {
  color: #f87171;
}

.contact-info {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.contact-info__title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.contact-info__text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.contact-info__list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-info__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
}

.contact-info__icon svg {
  width: 20px;
  height: 20px;
}

.contact-info__label {
  display: block;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.contact-info__value {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
}

a.contact-info__value:hover {
  color: var(--color-accent-strong);
}

.contact-info__value + .contact-info__value {
  margin-top: 4px;
}

.contact-info__or {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  opacity: 0.7;
  margin-top: 4px;
}

/* ---------- 4i. Page de détail projet ---------- */
.back-link {
  display: inline-block;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 18px;
  transition: color var(--transition);
}

.back-link:hover {
  color: var(--color-accent-strong);
}

.page-banner--project {
  padding-bottom: 50px;
}

.project-detail {
  padding: 0 0 110px;
}

.project-visual {
  height: 280px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #1f1330, #2a1a40);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(245, 245, 245, 0.3);
  margin-bottom: 48px;
}

.project-visual svg {
  width: 72px;
  height: 72px;
}

.project-detail__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 40px;
  align-items: start;
}

.project-content h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 32px 0 12px;
}

.project-content h2:first-child {
  margin-top: 0;
}

.project-content p {
  color: var(--color-text-muted);
  font-size: 0.98rem;
}

.project-info {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: sticky;
  top: 96px;
}

.project-info__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.project-info__list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.project-info__row {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}

.project-info__row dt {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.project-info__row dd {
  font-size: 0.95rem;
  font-weight: 500;
}

.project-info__cta {
  display: block;
  text-align: center;
}

/* ---------- 4j. Confiance / Garanties ---------- */
.trust {
  padding: 100px 0;
}

.trust__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.trust-card {
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.trust-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent);
  box-shadow: 0 0 30px var(--color-accent-soft);
}

.trust-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
}

.trust-card__icon svg {
  width: 26px;
  height: 26px;
}

.trust-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.trust-card__text {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.trust__cta {
  text-align: center;
}

/* ---------- 4k. Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 36px 0;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer__contact {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer__contact-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

a.footer__contact-link:hover {
  color: var(--color-accent-strong);
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer__contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent-strong);
}

.footer__contact-icon svg {
  width: 18px;
  height: 18px;
}

.footer__contact-numbers {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.footer__contact-number {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer__contact-number:hover {
  color: var(--color-accent-strong);
}

.footer__contact-or {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  opacity: 0.7;
}

.footer__contact-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-accent-strong);
}

/* ---------- 4l. Avis clients ---------- */
.reviews {
  padding: 100px 0;
}

.reviews__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.star-rating {
  display: flex;
  gap: 6px;
}

.star-rating__star {
  background: none;
  border: none;
  padding: 0;
  font-size: 1.7rem;
  line-height: 1;
  color: var(--color-border);
  cursor: pointer;
  transition: color var(--transition), transform var(--transition);
}

.star-rating__star:hover {
  transform: scale(1.12);
}

.star-rating__star:hover,
.star-rating__star.is-active {
  color: var(--color-accent-strong);
}

.reviews__list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: 560px;
  overflow-y: auto;
  padding-right: 4px;
}

.review-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 22px;
}

.review-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.review-card__name {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
}

.review-card__entreprise {
  display: block;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.review-card__stars {
  flex-shrink: 0;
  color: var(--color-accent-strong);
  font-size: 0.95rem;
  letter-spacing: 1px;
}

.review-card__text {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.review-card__date {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  opacity: 0.7;
}

.reviews__empty,
.reviews__loading,
.reviews__error {
  text-align: center;
  font-size: 0.92rem;
  color: var(--color-text-muted);
  padding: 48px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

/* ---------- 4m. Rendez-vous (Calendly) ---------- */
.appointment {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}

.appointment__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  opacity: 0.12;
  filter: blur(100px);
  pointer-events: none;
}

[data-theme="light"] .appointment__glow {
  display: none;
}

.appointment__features {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 40px;
  margin-bottom: 48px;
}

.appointment__feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.appointment__feature-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
}

.appointment__feature-icon svg {
  width: 20px;
  height: 20px;
}

.appointment__cta {
  position: relative;
  z-index: 1;
  text-align: center;
}

/* ---------- 5. Animations au scroll ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 6. Responsive ---------- */
@media (max-width: 1200px) {
  .pricing__grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 720px;
    margin: 0 auto;
  }
}

@media (max-width: 1024px) {
  .services__grid,
  .why__grid,
  .portfolio__grid,
  .trust__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing__grid {
    grid-template-columns: 1fr;
    max-width: 460px;
    margin: 0 auto;
  }

  .pricing-card--featured {
    transform: none;
    order: -1;
  }

  .pricing-card--featured:hover {
    transform: translateY(-6px);
  }

  .contact__grid,
  .reviews__grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .project-detail__grid {
    grid-template-columns: 1fr;
  }

  .project-info {
    position: static;
  }
}

@media (max-width: 1130px) {
  .nav {
    position: fixed;
    top: 112px;
    left: 0;
    width: 100%;
    height: calc(100vh - 112px);
    background: var(--color-bg-soft);
    flex-direction: column;
    justify-content: flex-start;
    transform: translateX(-100%);
    transition: transform var(--transition);
    border-top: 1px solid var(--color-border);
    overflow-y: auto;
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: center;
    gap: 28px;
    padding: 48px 24px;
  }

  .nav__link {
    font-size: 1.1rem;
  }

  .btn--header {
    display: none;
  }

  .burger {
    display: flex;
  }
}

@media (max-width: 600px) {
  .topbar__location {
    display: none;
  }

  .topbar__inner {
    justify-content: center;
  }

  .services__grid,
  .why__grid,
  .portfolio__grid,
  .trust__grid {
    grid-template-columns: 1fr;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .appointment__features {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer__contact {
    flex-direction: column;
    gap: 14px;
  }
}

/* =========================================================
   BOUTON WHATSAPP
   ========================================================= */

.whatsapp-button {
  position: fixed;
  bottom: 96px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  transition: transform var(--transition), box-shadow var(--transition);
  z-index: 1150;
}

.whatsapp-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.whatsapp-button svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.whatsapp-button__tooltip {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.whatsapp-button:hover .whatsapp-button__tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

/* =========================================================
   CHATBOT
   ========================================================= */

.chatbot-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: none;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 0 22px var(--color-accent-soft), 0 4px 16px rgba(0, 0, 0, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
  z-index: 1200;
}

.chatbot-toggle:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 32px var(--color-accent-soft), 0 6px 20px rgba(0, 0, 0, 0.45);
}

.chatbot-toggle__icon {
  position: absolute;
  width: 26px;
  height: 26px;
  transition: opacity var(--transition), transform var(--transition);
}

.chatbot-toggle__icon--close {
  opacity: 0;
  transform: rotate(-45deg);
}

.chatbot-toggle.is-open .chatbot-toggle__icon--chat {
  opacity: 0;
  transform: rotate(45deg);
}

.chatbot-toggle.is-open .chatbot-toggle__icon--close {
  opacity: 1;
  transform: rotate(0deg);
}

.chatbot-window {
  position: fixed;
  bottom: 96px;
  right: 24px;
  width: 360px;
  max-height: 520px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 40px var(--color-accent-soft), 0 10px 40px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px) scale(0.97);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 1199;
}

.chatbot-window.is-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.chatbot-window__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  background: linear-gradient(135deg, var(--color-accent), #7c3aed);
  flex-shrink: 0;
}

.chatbot-window__title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: #fff;
}

.chatbot-window__close {
  background: none;
  border: none;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0.85;
  transition: opacity var(--transition);
}

.chatbot-window__close:hover {
  opacity: 1;
}

.chatbot-window__messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 280px;
}

.chatbot-bubble {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  line-height: 1.5;
}

.chatbot-bubble--assistant {
  align-self: flex-start;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-bottom-left-radius: 4px;
}

.chatbot-bubble--user {
  align-self: flex-end;
  background: var(--color-accent);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.chatbot-bubble--typing {
  color: var(--color-text-muted);
  font-style: italic;
}

.chatbot-window__form {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px;
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

.chatbot-window__input {
  flex: 1;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.chatbot-window__input::placeholder {
  color: var(--color-text-muted);
}

.chatbot-window__input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.chatbot-window__send {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  border: none;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition);
}

.chatbot-window__send:hover {
  background: var(--color-accent-strong);
  box-shadow: 0 0 16px var(--color-accent-soft);
}

.chatbot-window__send svg {
  width: 17px;
  height: 17px;
}

/* =========================================================
   POPUP TÉLÉPHONE
   ========================================================= */

.phone-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  z-index: 1300;
}

.phone-modal-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.phone-modal {
  position: relative;
  width: 100%;
  max-width: 380px;
  background: var(--color-surface);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: 0 0 40px var(--color-accent-soft), 0 20px 50px rgba(0, 0, 0, 0.5);
  transform: translateY(16px) scale(0.96);
  transition: transform var(--transition);
}

.phone-modal-overlay.is-open .phone-modal {
  transform: translateY(0) scale(1);
}

.phone-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  transition: color var(--transition);
}

.phone-modal__close:hover {
  color: var(--color-accent-strong);
}

.phone-modal__title {
  font-size: 1.15rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 24px;
  padding-right: 16px;
}

.phone-modal__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.phone-modal__btn {
  width: 100%;
  text-align: center;
}

@media (max-width: 480px) {
  .chatbot-window {
    right: 12px;
    left: 12px;
    bottom: 90px;
    width: auto;
  }

  .chatbot-toggle {
    right: 16px;
    bottom: 16px;
  }

  .whatsapp-button {
    right: 16px;
    bottom: 86px;
  }
}

/* ---------- Popup offre de lancement ---------- */
.welcome-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  z-index: 1400;
}

.welcome-popup-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.welcome-popup {
  position: relative;
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: 36px 28px 28px;
  text-align: center;
  box-shadow: 0 0 40px var(--color-accent-soft), 0 20px 50px rgba(0, 0, 0, 0.5);
  transform: translateY(16px) scale(0.96);
  transition: transform var(--transition);
}

.welcome-popup-overlay.is-open .welcome-popup {
  transform: translateY(0) scale(1);
}

.welcome-popup__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  transition: color var(--transition);
}

.welcome-popup__close:hover {
  color: var(--color-accent-strong);
}

.welcome-popup__emoji {
  font-size: 2.4rem;
  margin-bottom: 8px;
}

.welcome-popup__title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.welcome-popup__text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.welcome-popup__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.welcome-popup__btn {
  width: 100%;
}

.welcome-popup__dismiss {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  cursor: pointer;
  transition: color var(--transition);
}

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