/* ==========================================================================
   Thierry Penaud — Informatique
   Thème sombre unifié, inspiré de la section IA (dégradés bleu nuit,
   halos cyan/violet, cartes en verre dépoli)
   ========================================================================== */

:root {
  --color-primary: #0d2b46;
  --color-primary-dark: #071626;
  --color-accent: #17b8c9;
  --color-accent-strong: #0e94a3;
  --color-accent-2: #7c6cf0;

  --color-bg: #081b30;
  --color-bg-alt: rgba(255, 255, 255, 0.06);
  --color-text: #eef3f7;
  --color-text-light: #a9b4c2;
  --color-border: rgba(255, 255, 255, 0.14);

  --max-width: 1100px;
  --radius: 8px;
  --transition: 0.2s ease;
  --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);

  --shadow-primary: 13, 43, 70;
  --shadow-primary-dark: 7, 22, 38;
  --shadow-accent: 23, 184, 201;
  --shadow-accent-2: 124, 108, 240;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  color: #fff;
  line-height: 1.25;
  font-weight: 700;
}

h1 {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
}

.hero h1 {
  font-size: clamp(0.85rem, 4.2vw, 2.6rem);
}

.hero-line {
  white-space: nowrap;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  text-align: center;
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

p {
  color: var(--color-text-light);
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

section {
  padding: 88px 0;
  position: relative;
}

.kicker {
  display: block;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
  background: linear-gradient(90deg, var(--color-accent), #fff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Apparition au scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  filter: blur(6px);
  transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth),
    filter 0.8s var(--ease-smooth);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.service-grid .reveal:nth-child(2),
.atouts-grid .reveal:nth-child(2),
.ia-grid .reveal:nth-child(2),
.steps .reveal:nth-child(2) {
  transition-delay: 0.08s;
}

.service-grid .reveal:nth-child(3),
.atouts-grid .reveal:nth-child(3),
.steps .reveal:nth-child(3) {
  transition-delay: 0.16s;
}

.service-grid .reveal:nth-child(4),
.atouts-grid .reveal:nth-child(4),
.steps .reveal:nth-child(4) {
  transition-delay: 0.24s;
}

.service-grid .reveal:nth-child(5) {
  transition-delay: 0.32s;
}

.service-grid .reveal:nth-child(6) {
  transition-delay: 0.4s;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    transition: none;
    opacity: 1;
    transform: none;
  }
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(7, 22, 38, 0.6);
  border-bottom: 1px solid transparent;
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transition: box-shadow 0.4s var(--ease-smooth), background 0.4s var(--ease-smooth),
    border-color 0.4s var(--ease-smooth);
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .site-header {
    background: rgba(7, 22, 38, 0.45);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
  }
}

.site-header.is-scrolled {
  background: rgba(7, 22, 38, 0.85);
  border-color: var(--color-border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.35s var(--ease-smooth), opacity 0.35s var(--ease-smooth);
}

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

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

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

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
  white-space: nowrap;
}

.logo span {
  color: var(--color-accent);
  font-weight: 400;
}

.main-nav {
  display: flex;
  gap: 28px;
}

.main-nav a {
  position: relative;
  color: var(--color-text-light);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s var(--ease-smooth);
}

.main-nav a:hover,
.main-nav a.is-active {
  color: var(--color-accent);
}

.main-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  text-align: center;
  padding: 120px 0 100px;
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.hero::before {
  top: -220px;
  left: 50%;
  width: 900px;
  height: 500px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(var(--shadow-accent), 0.3), rgba(var(--shadow-accent), 0));
}

.hero::after {
  top: -60px;
  right: 8%;
  width: 360px;
  height: 360px;
  background: radial-gradient(closest-side, rgba(var(--shadow-accent-2), 0.24), rgba(var(--shadow-accent-2), 0));
}

.hero-inner {
  position: relative;
  max-width: 940px;
}

.hero-subtitle {
  margin-top: 22px;
  font-size: 1.1rem;
  color: var(--color-text-light);
}

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

.btn {
  display: inline-block;
  margin-top: 32px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.98rem;
  transition: box-shadow 0.3s var(--ease-smooth), transform 0.3s var(--ease-smooth);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-strong) 0%, var(--color-accent-2) 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(var(--shadow-accent), 0.3);
}

.btn-primary:hover {
  box-shadow: 0 8px 26px rgba(var(--shadow-accent), 0.4);
  transform: translateY(-2px);
}

/* ---------- Services ---------- */

.services {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  overflow: hidden;
}

.services::before {
  content: "";
  position: absolute;
  top: -160px;
  right: -160px;
  width: 520px;
  height: 520px;
  background: radial-gradient(closest-side, rgba(var(--shadow-accent), 0.22), rgba(var(--shadow-accent), 0));
  pointer-events: none;
}

.section-intro {
  text-align: center;
  max-width: 560px;
  margin: 12px auto 0;
}

.service-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 20px;
  overflow: hidden;
  backdrop-filter: blur(6px);
  transition: box-shadow 0.35s var(--ease-smooth), transform 0.35s var(--ease-smooth),
    background 0.35s var(--ease-smooth);
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-smooth);
}

.service-card:hover {
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
  transform: translateY(-2px);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 48px;
  height: 48px;
  color: #fff;
  background: linear-gradient(135deg, rgba(var(--shadow-accent), 0.4), rgba(var(--shadow-accent-2), 0.4));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  margin-bottom: 18px;
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3 {
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.service-card p {
  flex-grow: 1;
  font-size: 0.9rem;
  line-height: 1.6;
  min-height: calc(1.6em * 3);
  text-align: justify;
}

/* ---------- Atouts ---------- */

.atouts {
  background: linear-gradient(200deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  overflow: hidden;
}

.atouts::before {
  content: "";
  position: absolute;
  top: -120px;
  left: 50%;
  width: 640px;
  height: 360px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(var(--shadow-accent), 0.28), rgba(var(--shadow-accent), 0));
  pointer-events: none;
}

.atouts::after {
  content: "";
  position: absolute;
  bottom: -160px;
  right: -100px;
  width: 420px;
  height: 420px;
  background: radial-gradient(closest-side, rgba(var(--shadow-accent-2), 0.2), rgba(var(--shadow-accent-2), 0));
  pointer-events: none;
}

.atouts-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
}

.atout-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 8px 10px;
}

.atout-card h3 {
  width: 100%;
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.atout-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 18px;
  color: #fff;
  background: linear-gradient(135deg, rgba(var(--shadow-accent), 0.4), rgba(var(--shadow-accent-2), 0.4));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  box-shadow: 0 0 0 8px rgba(var(--shadow-accent), 0.14);
  transition: box-shadow 0.35s var(--ease-smooth), transform 0.35s var(--ease-smooth);
}

.atout-card:hover .atout-icon {
  box-shadow: 0 0 0 10px rgba(var(--shadow-accent), 0.22);
  transform: translateY(-2px);
}

.atout-icon svg {
  width: 100%;
  height: 100%;
}

.atout-card p {
  font-size: 0.88rem;
  line-height: 1.6;
  min-height: calc(1.6em * 3);
  text-align: justify;
}

/* ---------- Intelligence artificielle ---------- */

.ia {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, #123456 100%);
  overflow: hidden;
}

.ia::before,
.ia::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.ia::before {
  top: -180px;
  right: -120px;
  width: 480px;
  height: 480px;
  background: radial-gradient(closest-side, rgba(var(--shadow-accent), 0.35), rgba(var(--shadow-accent), 0));
}

.ia::after {
  bottom: -160px;
  left: -100px;
  width: 420px;
  height: 420px;
  background: radial-gradient(closest-side, rgba(var(--shadow-accent-2), 0.3), rgba(var(--shadow-accent-2), 0));
}

.ia-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  position: relative;
}

.ia-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 32px 28px;
  backdrop-filter: blur(6px);
  transition: box-shadow 0.35s var(--ease-smooth), transform 0.35s var(--ease-smooth),
    background 0.35s var(--ease-smooth);
}

.ia-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
}

.ia-icon {
  width: 48px;
  height: 48px;
  color: #fff;
  background: linear-gradient(135deg, rgba(var(--shadow-accent), 0.4), rgba(var(--shadow-accent-2), 0.4));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  margin-bottom: 18px;
}

.ia-icon svg {
  width: 100%;
  height: 100%;
}

.ia-card p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.95rem;
}

/* ---------- Méthode ---------- */

.methode {
  background: linear-gradient(115deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  overflow: hidden;
}

.methode::before {
  content: "";
  position: absolute;
  bottom: -180px;
  left: -140px;
  width: 520px;
  height: 520px;
  background: radial-gradient(closest-side, rgba(var(--shadow-accent), 0.2), rgba(var(--shadow-accent), 0));
  pointer-events: none;
}

.steps {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

.step {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px 24px 32px;
  position: relative;
  backdrop-filter: blur(6px);
  transition: box-shadow 0.35s var(--ease-smooth), transform 0.35s var(--ease-smooth),
    background 0.35s var(--ease-smooth);
}

.step:hover {
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
  transform: translateY(-2px);
}

.step-number {
  position: absolute;
  top: -18px;
  left: 24px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent-strong) 0%, var(--color-accent-2) 100%);
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
}

.step p {
  font-size: 0.92rem;
  text-align: justify;
}

/* ---------- About ---------- */

.about {
  background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  overflow: hidden;
}

.about::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -120px;
  width: 480px;
  height: 480px;
  background: radial-gradient(closest-side, rgba(var(--shadow-accent-2), 0.22), rgba(var(--shadow-accent-2), 0));
  pointer-events: none;
}

.about-inner {
  max-width: 720px;
  position: relative;
}

.about-panel {
  margin-top: 40px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 36px 40px;
  backdrop-filter: blur(6px);
}

.about p {
  color: var(--color-text);
  font-size: 1.02rem;
  text-align: justify;
}

.about p + p {
  margin-top: 18px;
}

/* ---------- Contact ---------- */

.contact {
  background: linear-gradient(150deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  text-align: center;
  overflow: hidden;
}

.contact::before {
  content: "";
  position: absolute;
  top: -160px;
  left: 12%;
  width: 460px;
  height: 460px;
  background: radial-gradient(closest-side, rgba(var(--shadow-accent-2), 0.22), rgba(var(--shadow-accent-2), 0));
  pointer-events: none;
}

.contact::after {
  content: "";
  position: absolute;
  bottom: -200px;
  left: 50%;
  width: 800px;
  height: 420px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(var(--shadow-accent), 0.22), rgba(var(--shadow-accent), 0));
  pointer-events: none;
}

.contact-details {
  margin: 48px 0 40px;
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  position: relative;
}

.contact-item {
  position: relative;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px 32px;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow: hidden;
  cursor: default;
  transition: box-shadow 0.35s var(--ease-smooth), transform 0.35s var(--ease-smooth),
    background 0.35s var(--ease-smooth);
}

.contact-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-smooth);
}

.contact-item:hover {
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
  transform: translateY(-2px);
}

.contact-item:hover::before {
  transform: scaleX(1);
}

.contact-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-light);
}

.contact-value {
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
}

.modal {
  position: fixed;
  inset: 0;
  margin: auto;
  border: none;
  border-radius: var(--radius);
  padding: 0;
  max-width: 480px;
  width: 90%;
  height: fit-content;
  background: transparent;
  overflow: visible;
  opacity: 0;
  transform: scale(0.85) translateY(12px);
  transition: opacity 0.3s var(--ease-smooth),
    transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal.is-visible {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.modal::backdrop {
  background: rgba(7, 22, 38, 0.65);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.25s var(--ease-smooth);
}

.modal.is-visible::backdrop {
  opacity: 1;
}

.modal-panel {
  position: relative;
  text-align: left;
  background: #ffffff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 1;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
  color: #fff;
  padding: 0;
  transition: background 0.25s var(--ease-smooth);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.28);
}

.modal-banner {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 36px 32px 28px;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, #123456 100%);
}

.modal-banner::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -60px;
  width: 260px;
  height: 260px;
  background: radial-gradient(closest-side, rgba(var(--shadow-accent), 0.4), rgba(var(--shadow-accent), 0));
  pointer-events: none;
}

.modal-banner::after {
  content: "";
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 220px;
  height: 220px;
  background: radial-gradient(closest-side, rgba(var(--shadow-accent-2), 0.35), rgba(var(--shadow-accent-2), 0));
  pointer-events: none;
}

.modal-icon {
  position: relative;
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  color: #fff;
  background: linear-gradient(135deg, rgba(var(--shadow-accent), 0.45), rgba(var(--shadow-accent-2), 0.45));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 13px;
  opacity: 0;
  transform: scale(0.4) rotate(-25deg);
  transition: opacity 0.3s var(--ease-smooth) 0.15s,
    transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.15s;
}

.modal.is-visible .modal-icon {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

.modal-icon svg {
  width: 100%;
  height: 100%;
}

.modal-panel .modal-banner h3 {
  position: relative;
  color: #fff;
  margin: 0;
}

.modal-panel .modal-banner p {
  position: relative;
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
}

.modal-body {
  padding: 28px 32px 32px;
}

.form-field {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
}

.modal-body .form-field,
.modal-body .modal-text,
.modal-body .modal-submit,
.modal-body .modal-note {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.35s var(--ease-smooth), transform 0.35s var(--ease-smooth);
}

.modal.is-visible .modal-body .form-field,
.modal.is-visible .modal-body .modal-text,
.modal.is-visible .modal-body .modal-submit,
.modal.is-visible .modal-body .modal-note {
  opacity: 1;
  transform: translateY(0);
}

.modal-body .form-field:nth-child(1),
.modal-body .modal-text:nth-child(1) { transition-delay: 0.2s; }
.modal-body .form-field:nth-child(2),
.modal-body .modal-text:nth-child(2) { transition-delay: 0.24s; }
.modal-body .form-field:nth-child(3) { transition-delay: 0.28s; }
.modal-body .form-field:nth-child(4) { transition-delay: 0.32s; }
.modal-body .modal-submit { transition-delay: 0.36s; }
.modal-body .modal-note { transition-delay: 0.4s; }

.modal-text {
  color: #3d4b56;
  font-size: 0.95rem;
  line-height: 1.55;
}

.modal-text + .modal-text {
  margin-top: 12px;
}

.modal-text a {
  color: var(--color-accent-strong);
  text-decoration: underline;
}

.modal-body .modal-submit {
  margin-top: 20px;
}

.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
}

.modal-status {
  margin-top: 12px;
  text-align: center;
  font-size: 0.88rem;
  min-height: 0;
}

.modal-status:empty {
  margin-top: 0;
}

.modal-status.is-success {
  color: #1a8a4a;
}

.modal-status.is-error {
  color: #c0392b;
}

.modal-submit:disabled {
  opacity: 0.7;
  cursor: default;
}

.form-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: #0d2233;
  margin-bottom: 6px;
}

.form-field input,
.form-field textarea {
  font-family: inherit;
  font-size: 0.95rem;
  color: #16212b;
  border: 1px solid #dde4ea;
  border-radius: var(--radius);
  padding: 10px 12px;
  background: #f7f9fb;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #9aa7b2;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(var(--shadow-accent), 0.18);
}

.modal-submit {
  width: 100%;
  margin-top: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.modal-submit-icon {
  width: 18px;
  height: 18px;
  transition: transform 0.3s var(--ease-smooth);
}

.modal-submit:hover .modal-submit-icon {
  transform: translate(3px, -3px);
}

.modal-panel .modal-note {
  margin-top: 14px;
  text-align: center;
  font-size: 0.8rem;
  color: #5f6b76;
}

/* ---------- Sections claires (alternance avec les sections sombres) ---------- */

.hero h1,
.atouts h2,
.atouts h3,
.methode h2,
.methode h3,
.contact h2,
.contact h3 {
  color: #0d2233;
}

.hero .kicker,
.atouts .kicker,
.methode .kicker,
.contact .kicker {
  background-image: linear-gradient(90deg, var(--color-accent-strong), var(--color-accent-2));
}

.hero p,
.atouts p,
.methode p,
.contact p {
  color: #5b6b78;
}

.hero {
  background: linear-gradient(180deg, #eef3f7 0%, #ffffff 100%);
}

.hero::before {
  background: radial-gradient(closest-side, rgba(var(--shadow-accent), 0.16), rgba(var(--shadow-accent), 0));
}

.hero::after {
  background: radial-gradient(closest-side, rgba(var(--shadow-accent-2), 0.12), rgba(var(--shadow-accent-2), 0));
}

.atouts {
  background: linear-gradient(200deg, #ffffff 0%, #eef3f7 100%);
}

.atouts::before {
  background: radial-gradient(closest-side, rgba(var(--shadow-accent), 0.12), rgba(var(--shadow-accent), 0));
}

.atouts::after {
  background: radial-gradient(closest-side, rgba(var(--shadow-accent-2), 0.1), rgba(var(--shadow-accent-2), 0));
}

.atouts .atout-icon {
  color: var(--color-accent-strong);
  background: linear-gradient(135deg, rgba(var(--shadow-primary), 0.08), rgba(var(--shadow-accent), 0.14));
  box-shadow: 0 0 0 8px rgba(var(--shadow-accent), 0.07);
}

.atouts .atout-card:hover .atout-icon {
  box-shadow: 0 0 0 10px rgba(var(--shadow-accent), 0.12);
}

.methode {
  background: linear-gradient(115deg, #ffffff 0%, #eef3f7 100%);
}

.methode::before {
  background: radial-gradient(closest-side, rgba(var(--shadow-accent), 0.1), rgba(var(--shadow-accent), 0));
}

.methode .step {
  background: #ffffff;
  border-color: #dde4ea;
}

.methode .step:hover {
  background: #ffffff;
  box-shadow: 0 12px 28px rgba(var(--shadow-primary), 0.1);
}

.contact {
  background: linear-gradient(150deg, #ffffff 0%, #eef3f7 100%);
}

.contact::before {
  background: radial-gradient(closest-side, rgba(var(--shadow-accent-2), 0.12), rgba(var(--shadow-accent-2), 0));
}

.contact::after {
  background: radial-gradient(closest-side, rgba(var(--shadow-accent), 0.12), rgba(var(--shadow-accent), 0));
}

.contact .contact-item {
  background: #ffffff;
  border-color: #dde4ea;
}

.contact .contact-item:hover {
  background: #ffffff;
  box-shadow: 0 12px 28px rgba(var(--shadow-primary), 0.1);
}

.contact .contact-label {
  color: #5b6b78;
}

.contact .contact-value {
  color: #0d2233;
}

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

.site-footer {
  background: var(--color-primary-dark);
  color: #cfd8e3;
  padding: 40px 0;
  text-align: center;
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner p {
  color: #cfd8e3;
}

.footer-links {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.85rem;
}

.footer-links a,
.footer-link-btn {
  color: #9db3c4;
  text-decoration: none;
}

.footer-links a:hover,
.footer-link-btn:hover {
  color: #fff;
}

.footer-link-btn {
  background: none;
  border: none;
  font: inherit;
  cursor: pointer;
  padding: 0;
}

.footer-copy {
  margin-top: 10px;
  color: #8fa0b3;
  font-size: 0.82rem;
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 720px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(7, 22, 38, 0.92);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--color-border);
    pointer-events: none;
    opacity: 0;
    transform: translateY(-8px) scale(0.98);
    transform-origin: top center;
    transition: opacity 0.35s var(--ease-smooth), transform 0.35s var(--ease-smooth);
  }

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

  .main-nav a {
    padding: 14px 24px;
    border-top: 1px solid var(--color-border);
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.3s var(--ease-smooth), transform 0.3s var(--ease-smooth);
  }

  .main-nav.is-open a {
    opacity: 1;
    transform: translateY(0);
  }

  .main-nav.is-open a:nth-child(1) { transition-delay: 0.02s; }
  .main-nav.is-open a:nth-child(2) { transition-delay: 0.06s; }
  .main-nav.is-open a:nth-child(3) { transition-delay: 0.1s; }
  .main-nav.is-open a:nth-child(4) { transition-delay: 0.14s; }
  .main-nav.is-open a:nth-child(5) { transition-delay: 0.18s; }
  .main-nav.is-open a:nth-child(6) { transition-delay: 0.22s; }

  .main-nav a.is-active::after {
    display: none;
  }
}

@media (max-width: 640px) {
  section {
    padding: 64px 0;
  }

  .hero {
    padding: 80px 0 64px;
  }

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

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

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

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

  .contact-item {
    width: 100%;
  }
}