/* =========================================================
   KORTESO — styles.css
   Site statique, sans dépendance ni bibliothèque externe.
   ========================================================= */

:root {
  --color-primary: #0b2545;
  --color-primary-light: #13375e;
  --color-accent: #2f8f6e;
  --color-accent-dark: #24705a;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f6f8;
  --color-bg-blue-pale: #eef3fa;
  --color-bg-dark-soft: #10294a;
  --color-text: #1b2430;
  --color-text-light: #4c5a6a;
  --color-text-on-dark: #e7edf5;
  --color-text-on-dark-light: #b7c4d6;
  --color-border: #e0e4e8;
  --color-border-on-dark: rgba(255, 255, 255, 0.14);
  --radius: 8px;
  --radius-lg: 14px;
  --max-width: 1140px;
  --shadow: 0 2px 10px rgba(11, 37, 69, 0.08);
  --shadow-md: 0 10px 28px rgba(11, 37, 69, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 {
  color: var(--color-primary);
  line-height: 1.25;
  margin-top: 0;
}

h2 {
  font-size: 1.8rem;
  margin-bottom: 0.6rem;
}

.section-subtitle {
  max-width: 640px;
  font-size: 1.05rem;
  margin-bottom: 8px;
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

p {
  color: var(--color-text-light);
  margin-top: 0;
}

a {
  color: var(--color-accent-dark);
}

section {
  padding: 64px 0;
  background-color: var(--color-bg);
}

/* Fonds de section alternés (blanc / bleu très pâle / sombre léger) */
.services,
.location {
  background-color: var(--color-bg-blue-pale);
}

.approach {
  background-color: var(--color-bg-dark-soft);
}

.approach h2,
.approach h3 {
  color: #ffffff;
}

.approach .section-subtitle,
.approach p {
  color: var(--color-text-on-dark-light);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
  gap: 20px;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: 0.5px;
}

.logo {
  overflow: hidden;
  height: 48px;
}

.logo-img {
  height: 68px;
  width: auto;
  display: block;
  flex-shrink: 0;
}

.logo-fallback {
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--color-primary);
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}

.main-nav a {
  position: relative;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding-bottom: 4px;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.15s ease;
}

.main-nav a:hover {
  color: var(--color-accent-dark);
}

.main-nav a:hover::after {
  transform: scaleX(1);
}

.lang-toggle {
  background-color: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 8px 16px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
}

.lang-toggle:hover {
  background-color: var(--color-primary-light);
}

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

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  padding: 64px 0;
}

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

.hero-content {
  max-width: 620px;
}

.hero h1 {
  color: #ffffff;
  font-size: 2.15rem;
  margin-bottom: 20px;
}

.hero-subtitle {
  color: #dbe4ee;
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-benefits {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  padding: 0;
  margin: 28px 0 0;
}

.hero-benefits li {
  background-color: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #ffffff;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
}

/* Panneau numérique décoratif */
.hero-visual {
  position: relative;
  min-height: 240px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.14), transparent 60%),
    radial-gradient(circle at 70% 70%, rgba(47, 143, 110, 0.30), transparent 55%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.hero-panel {
  width: 100%;
  max-width: 360px;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(2px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.18);
  overflow: hidden;
}

.hero-panel-header {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background-color: rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-panel-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.35);
}

.hero-panel-body {
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.hero-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 600;
}

.hero-chip-icon {
  color: var(--color-accent);
  font-size: 0.6rem;
}

.hero-panel-lines {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}

.hero-panel-lines span {
  display: block;
  height: 6px;
  border-radius: 999px;
  background-color: rgba(255, 255, 255, 0.16);
}

.hero-panel-lines span:nth-child(1) {
  width: 100%;
}

.hero-panel-lines span:nth-child(2) {
  width: 80%;
}

.hero-panel-lines span:nth-child(3) {
  width: 55%;
}

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

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  box-shadow: 0 4px 14px rgba(47, 143, 110, 0.35);
}

.btn-secondary {
  background-color: transparent;
  color: #ffffff;
  border-color: #ffffff;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

/* ---------- Ce qu'on règle ---------- */

.problem .container {
  max-width: 860px;
}

.problem-grid {
  list-style: none;
  padding: 0;
  margin: 28px 0 24px;
  display: grid;
  gap: 16px;
}

.problem-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow);
}

.problem-icon {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.problem-card {
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.problem-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(11, 37, 69, 0.14);
}

.problem-card p {
  margin: 0;
  color: var(--color-text-light);
}

.problem-conclusion {
  font-weight: 500;
  color: var(--color-primary);
}

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

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 32px;
}

.card {
  position: relative;
  background-color: var(--color-bg);
  border: 1px solid rgba(11, 37, 69, 0.08);
  border-radius: var(--radius-lg);
  padding: 28px 24px 24px;
  box-shadow: var(--shadow-md);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(11, 37, 69, 0.14);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background-color: rgba(47, 143, 110, 0.12);
  font-size: 1.2rem;
  margin-bottom: 14px;
}

.card p {
  margin-bottom: 0;
}

.card-example {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--radius);
  background-color: var(--color-bg-alt);
  font-size: 0.88rem;
}

.card-example strong {
  color: var(--color-primary);
}

/* ---------- Pour qui ---------- */

.who-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
}

.who-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--color-accent);
}

.who-card h3 {
  margin-bottom: 8px;
}

.who-card p {
  margin: 0;
  font-size: 0.92rem;
}

/* ---------- Approche ---------- */

.approach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 32px;
}

.approach-item {
  position: relative;
  border-left: 3px solid var(--color-accent);
  padding-left: 16px;
}

.approach-number {
  display: inline-block;
  font-weight: 700;
  font-size: 0.85rem;
  color: #ffffff;
  background-color: var(--color-accent);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  line-height: 28px;
  text-align: center;
  margin-bottom: 10px;
}

/* Ligne de parcours : verticale sur mobile (bordure gauche déjà présente),
   horizontale à partir de la largeur tablette/desktop */
@media (min-width: 640px) {
  .approach-track {
    position: relative;
  }

  .approach-track .approach-item {
    border-left: none;
    padding-left: 0;
    padding-top: 20px;
  }

  .approach-track .approach-item::before {
    content: "";
    position: absolute;
    top: 13px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.18);
  }

  .approach-track .approach-number {
    position: relative;
    z-index: 1;
  }
}

/* ---------- Québec et Colombie ---------- */

.location .container {
  max-width: 820px;
}

.location-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: start;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
}

.location-icon {
  font-size: 2rem;
  line-height: 1;
}

.location-text p {
  margin-bottom: 12px;
}

.location-text p:last-child {
  margin-bottom: 0;
}

.location-highlight {
  font-weight: 600;
  color: var(--color-primary);
}

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

.contact {
  padding: 48px 0;
}

.contact .container {
  max-width: 980px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 12px;
}

.contact-benefits {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-benefits li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
}

.contact-benefit-icon {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: rgba(47, 143, 110, 0.15);
  color: var(--color-accent-dark);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-form-wrapper {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
}

.demo-notice {
  font-size: 0.78rem;
  background-color: transparent;
  border: none;
  color: var(--color-text-light);
  padding: 0;
  margin: 4px 0 0;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
}

input,
select,
textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: #ffffff;
  color: var(--color-text);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

textarea {
  resize: vertical;
}

.contact-form .btn {
  align-self: flex-start;
  margin-top: 4px;
}

.form-confirmation {
  background-color: #e7f6ee;
  border: 1px solid #b6e2c9;
  color: #1e5c3f;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-weight: 500;
}

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

.site-footer {
  background-color: var(--color-primary);
  color: #cdd8e4;
  padding: 40px 0;
}

.footer-inner p {
  color: #cdd8e4;
  margin: 4px 0;
}

.footer-brand {
  font-weight: 700;
  font-size: 1.2rem;
  color: #ffffff;
}

.footer-links {
  font-size: 0.85rem;
  opacity: 0.75;
}

.footer-rights {
  font-size: 0.85rem;
  opacity: 0.8;
}

/* ---------- Pages légales ---------- */

.legal-content {
  max-width: 760px;
  padding-top: 40px;
  padding-bottom: 40px;
}

.legal-content h1 {
  color: var(--color-primary);
  margin-bottom: 8px;
}

.legal-content h2 {
  color: var(--color-primary);
  margin-top: 2rem;
}

.legal-content p,
.legal-content li {
  color: var(--color-text-light);
}

.legal-back-link {
  display: inline-block;
  margin-top: 24px;
  color: var(--color-accent-dark);
}

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

@media (min-width: 600px) {
  .cards-grid {
    grid-template-columns: 1fr 1fr;
  }

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

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

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

@media (min-width: 900px) {
  .cards-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .who-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .approach-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .problem-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero h1 {
    font-size: 2.6rem;
  }

  .hero-grid {
    grid-template-columns: 1.2fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr 1.1fr;
  }

  section {
    padding: 96px 0;
  }

  .contact {
    padding: 64px 0;
  }
}

@media (max-width: 640px) {
  .header-inner {
    justify-content: center;
    text-align: center;
  }

  .main-nav ul {
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px 18px;
  }

  .logo {
    height: 36px;
  }

  .logo-img {
    height: 50px;
  }

  .hero {
    padding: 48px 0;
  }

  section {
    padding: 48px 0;
  }

  .location-grid {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .hero-panel-body {
    grid-template-columns: 1fr;
  }
}