/* ===============================
   Robot Tips Conseil - style.css
   Warm & Friendly Flexbox-Only UI
   =============================== */

/* ====== CSS Variables ====== */
:root {
  --color-primary: #1D3557;
  --color-secondary: #457B9D;
  --color-accent: #F1FAEE;
  --color-warm1: #FFB385;
  --color-warm2: #FFD6A5;
  --color-warm3: #FFEEDD;
  --color-warm4: #FFF7F0;
  --color-warm5: #F9E5D8;
  --color-neutral: #fff;
  --color-dark: #222;
  --color-grey: #f6f6f6;
  --color-shadow: rgba(30, 30, 30, 0.07);
  --color-shadow-strong: rgba(30, 30, 30, 0.13);
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Roboto', Arial, Helvetica, sans-serif;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;
  --transition: 0.25s cubic-bezier(.4,1,.4,1);
  --shadow-card: 0 4px 24px var(--color-shadow);
  --shadow-card-hover: 0 8px 32px var(--color-shadow-strong);
  --shadow-soft: 0 2px 8px var(--color-shadow);
  --gap-section: 60px;
  --gap-card: 24px;
  --gap-content: 20px;
  --gap-feature: 15px;
  --header-height: 72px;
}

/* ====== Reset & Base ====== */
html {
  box-sizing: border-box;
  font-size: 16px;
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-primary);
  background: var(--color-warm4);
  line-height: 1.7;
  min-height: 100vh;
}
img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-md);
}
a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--color-primary);
}
strong {
  font-weight: 700;
}

/* ====== Typography ====== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary);
  margin-top: 0;
  margin-bottom: 0.5em;
  font-weight: 700;
  letter-spacing: 0.01em;
}
h1 {
  font-size: 2.2rem;
  line-height: 1.15;
}
h2 {
  font-size: 1.6rem;
  line-height: 1.2;
}
h3 {
  font-size: 1.2rem;
  line-height: 1.3;
}
h4 {
  font-size: 1.05rem;
  font-weight: 600;
}
p, ul, ol {
  margin-top: 0;
  margin-bottom: 1.2em;
}
ul, ol {
  padding-left: 1.2em;
}

/* ====== Layout Containers ====== */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
}
.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--gap-content);
}

.section {
  margin-bottom: var(--gap-section);
  padding: 40px 20px;
  background: var(--color-neutral);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

/* ====== Header & Navigation ====== */
header {
  background: var(--color-neutral);
  box-shadow: 0 2px 12px var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 20px;
}
.brand-logo img {
  height: 48px;
  border-radius: var(--radius-md);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}
.main-nav a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  transition: background var(--transition), color var(--transition);
}
.main-nav a:hover, .main-nav a:focus {
  background: var(--color-warm2);
  color: var(--color-secondary);
}
.main-nav .cta-btn {
  background: linear-gradient(90deg, var(--color-warm1) 60%, var(--color-secondary) 100%);
  color: var(--color-primary);
  font-weight: 700;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 10px 22px;
  margin-left: 10px;
  transition: background var(--transition), box-shadow var(--transition), color var(--transition);
}
.main-nav .cta-btn:hover, .main-nav .cta-btn:focus {
  background: linear-gradient(90deg, var(--color-secondary) 60%, var(--color-warm1) 100%);
  color: var(--color-neutral);
  box-shadow: var(--shadow-card-hover);
}

/* ====== Mobile Navigation ====== */
.mobile-menu-toggle {
  display: none;
  background: var(--color-warm1);
  color: var(--color-primary);
  border: none;
  font-size: 2rem;
  border-radius: var(--radius-md);
  padding: 6px 14px;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-soft);
}
.mobile-menu-toggle:active {
  background: var(--color-warm2);
}
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255, 243, 230, 0.98);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(.4,1,.4,1);
  padding: 0;
  opacity: 0;
  pointer-events: none;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  background: none;
  border: none;
  font-size: 2.2rem;
  color: var(--color-primary);
  align-self: flex-end;
  margin: 24px 24px 0 0;
  cursor: pointer;
  transition: color var(--transition);
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  color: var(--color-secondary);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
  align-items: flex-start;
  padding: 40px 32px;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-primary);
  font-weight: 600;
  padding: 10px 0;
  border-radius: var(--radius-md);
  transition: background var(--transition), color var(--transition);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  background: var(--color-warm2);
  color: var(--color-secondary);
}

/* ====== Hero Section ====== */
.hero {
  background: linear-gradient(120deg, var(--color-warm1) 60%, var(--color-accent) 100%);
  border-radius: var(--radius-lg);
  margin-bottom: var(--gap-section);
  padding: 60px 0 40px 0;
  box-shadow: var(--shadow-card);
}
.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero .content-wrapper {
  align-items: center;
  text-align: center;
  gap: 24px;
}
.hero h1 {
  color: var(--color-primary);
  font-size: 2.4rem;
  margin-bottom: 0.5em;
}
.hero p {
  color: var(--color-primary);
  font-size: 1.2rem;
  margin-bottom: 1.2em;
}
.hero .cta-btn {
  margin-top: 10px;
}

/* ====== Feature Grid ====== */
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-card);
  margin-top: 20px;
  margin-bottom: 20px;
}
.feature-grid > div {
  background: var(--color-warm3);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 28px 22px;
  flex: 1 1 220px;
  min-width: 220px;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-grid > div:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px) scale(1.03);
}
.feature-grid h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 0.2em;
}

/* ====== Cards & Card Containers ====== */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-card);
}
.card {
  background: var(--color-neutral);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  position: relative;
  padding: 28px 22px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px) scale(1.02);
}

/* ====== Content Grid ====== */
.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-content);
  justify-content: space-between;
}

/* ====== Text-Image Section ====== */
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.text-image-section > div {
  flex: 1 1 260px;
  min-width: 220px;
}

/* ====== Testimonial Cards & Sliders ====== */
.testimonial-slider, .case-study-slider {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-card);
  margin-top: 20px;
}
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  background: var(--color-neutral);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  min-width: 250px;
  max-width: 380px;
  flex: 1 1 250px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.testimonial-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px) scale(1.02);
}
.testimonial-card p {
  color: var(--color-primary);
  font-size: 1.05rem;
  margin-bottom: 0.5em;
}
.testimonial-card span {
  color: var(--color-secondary);
  font-size: 0.98rem;
}

/* ====== Case Study Cards ====== */
.case-study {
  background: var(--color-warm3);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 22px 18px;
  flex: 1 1 220px;
  min-width: 220px;
  max-width: 340px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.case-study:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px) scale(1.02);
}

/* ====== Data Visualizations Section ====== */
.data-visualizations {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-card);
  margin-top: 20px;
}
.data-visualizations > div {
  background: var(--color-warm3);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 22px 18px;
  flex: 1 1 220px;
  min-width: 220px;
  max-width: 340px;
  margin-bottom: 20px;
}

/* ====== Team Grid (About Page) ====== */
.team-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-card);
  margin-top: 20px;
}
.team-member {
  background: var(--color-warm3);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 24px 18px;
  flex: 1 1 220px;
  min-width: 220px;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
}
.team-member:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px) scale(1.02);
}
.team-member img {
  width: 90px;
  height: 90px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 10px;
  box-shadow: 0 2px 8px var(--color-shadow);
}

/* ====== Feature Item ====== */
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* ====== Footer ====== */
footer {
  background: var(--color-primary);
  color: var(--color-accent);
  padding: 40px 0 0 0;
  margin-top: 60px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}
footer .content-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
footer img {
  height: 44px;
  margin-bottom: 10px;
  border-radius: var(--radius-md);
}
.footer-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  list-style: none;
  padding: 0;
  margin: 0 0 10px 0;
}
.footer-menu a {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  transition: background var(--transition), color var(--transition);
}
.footer-menu a:hover, .footer-menu a:focus {
  background: var(--color-warm1);
  color: var(--color-primary);
}
.footer-contact {
  font-size: 0.98rem;
  color: var(--color-accent);
  margin-bottom: 10px;
  text-align: center;
}
.footer-social {
  display: flex;
  gap: 18px;
  margin-bottom: 20px;
}
.footer-social a {
  color: var(--color-accent);
  font-size: 1.2rem;
  border-radius: var(--radius-md);
  padding: 6px 10px;
  transition: background var(--transition), color var(--transition);
}
.footer-social a:hover, .footer-social a:focus {
  background: var(--color-warm1);
  color: var(--color-primary);
}

/* ====== Buttons & CTAs ====== */
.cta-btn {
  display: inline-block;
  background: linear-gradient(90deg, var(--color-warm1) 60%, var(--color-secondary) 100%);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  border: none;
  border-radius: var(--radius-md);
  padding: 12px 28px;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
  margin-top: 10px;
}
.cta-btn:hover, .cta-btn:focus {
  background: linear-gradient(90deg, var(--color-secondary) 60%, var(--color-warm1) 100%);
  color: var(--color-neutral);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px) scale(1.03);
}
button {
  font-family: var(--font-display);
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}

/* ====== Cookie Consent Banner ====== */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 99999;
  background: var(--color-warm1);
  color: var(--color-primary);
  box-shadow: 0 -2px 16px var(--color-shadow);
  padding: 24px 20px 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  animation: cookieBannerIn 0.5s cubic-bezier(.4,1,.4,1);
}
@keyframes cookieBannerIn {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cookie-banner .cookie-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.cookie-banner button {
  padding: 10px 22px;
  font-weight: 600;
  border-radius: var(--radius-md);
  background: var(--color-secondary);
  color: var(--color-accent);
  box-shadow: var(--shadow-soft);
  margin: 0;
}
.cookie-banner button.cookie-accept {
  background: linear-gradient(90deg, var(--color-warm1) 60%, var(--color-secondary) 100%);
  color: var(--color-primary);
}
.cookie-banner button.cookie-accept:hover, .cookie-banner button.cookie-accept:focus {
  background: linear-gradient(90deg, var(--color-secondary) 60%, var(--color-warm1) 100%);
  color: var(--color-neutral);
}
.cookie-banner button.cookie-reject {
  background: var(--color-warm2);
  color: var(--color-primary);
}
.cookie-banner button.cookie-reject:hover, .cookie-banner button.cookie-reject:focus {
  background: var(--color-warm3);
}
.cookie-banner button.cookie-settings {
  background: var(--color-neutral);
  color: var(--color-primary);
  border: 1px solid var(--color-secondary);
}
.cookie-banner button.cookie-settings:hover, .cookie-banner button.cookie-settings:focus {
  background: var(--color-warm2);
}

/* ====== Cookie Modal ====== */
.cookie-modal-overlay {
  position: fixed;
  left: 0; right: 0; top: 0; bottom: 0;
  background: rgba(30, 30, 30, 0.25);
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: cookieModalFadeIn 0.3s cubic-bezier(.4,1,.4,1);
}
@keyframes cookieModalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.cookie-modal {
  background: var(--color-neutral);
  color: var(--color-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card-hover);
  padding: 36px 28px 28px 28px;
  min-width: 320px;
  max-width: 95vw;
  display: flex;
  flex-direction: column;
  gap: 18px;
  animation: cookieModalIn 0.4s cubic-bezier(.4,1,.4,1);
}
@keyframes cookieModalIn {
  from { transform: translateY(40px) scale(0.98); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}
.cookie-modal h3 {
  margin-bottom: 0.5em;
}
.cookie-modal .cookie-category {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}
.cookie-modal .cookie-category label {
  font-weight: 500;
  font-family: var(--font-display);
}
.cookie-modal .cookie-toggle {
  width: 38px;
  height: 22px;
  background: var(--color-warm2);
  border-radius: 12px;
  position: relative;
  cursor: pointer;
  transition: background var(--transition);
  display: inline-block;
}
.cookie-modal .cookie-toggle input {
  display: none;
}
.cookie-modal .cookie-toggle span {
  position: absolute;
  left: 3px;
  top: 3px;
  width: 16px;
  height: 16px;
  background: var(--color-secondary);
  border-radius: 50%;
  transition: left var(--transition), background var(--transition);
}
.cookie-modal .cookie-toggle input:checked + span {
  left: 19px;
  background: var(--color-primary);
}
.cookie-modal .cookie-category.essential label {
  color: var(--color-primary);
  opacity: 0.7;
}
.cookie-modal .cookie-category.essential .cookie-toggle {
  opacity: 0.5;
  pointer-events: none;
}
.cookie-modal .cookie-modal-actions {
  display: flex;
  gap: 16px;
  margin-top: 10px;
  justify-content: flex-end;
}
.cookie-modal .cookie-modal-actions button {
  padding: 10px 22px;
  font-weight: 600;
  border-radius: var(--radius-md);
  background: var(--color-secondary);
  color: var(--color-accent);
  box-shadow: var(--shadow-soft);
}
.cookie-modal .cookie-modal-actions button.cookie-save {
  background: linear-gradient(90deg, var(--color-warm1) 60%, var(--color-secondary) 100%);
  color: var(--color-primary);
}
.cookie-modal .cookie-modal-actions button.cookie-save:hover, .cookie-modal .cookie-modal-actions button.cookie-save:focus {
  background: linear-gradient(90deg, var(--color-secondary) 60%, var(--color-warm1) 100%);
  color: var(--color-neutral);
}
.cookie-modal .cookie-modal-actions button.cookie-cancel {
  background: var(--color-warm2);
  color: var(--color-primary);
}
.cookie-modal .cookie-modal-actions button.cookie-cancel:hover, .cookie-modal .cookie-modal-actions button.cookie-cancel:focus {
  background: var(--color-warm3);
}

/* ====== Responsive Design ====== */
@media (max-width: 1024px) {
  .container {
    max-width: 96vw;
  }
  .feature-grid, .testimonial-slider, .case-study-slider, .team-grid, .data-visualizations {
    gap: 16px;
  }
}
@media (max-width: 900px) {
  .main-nav {
    gap: 10px;
  }
  .feature-grid > div, .case-study, .data-visualizations > div, .team-member {
    min-width: 180px;
    max-width: 100%;
  }
}
@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .hero {
    padding: 36px 0 24px 0;
  }
  .feature-grid, .testimonial-slider, .case-study-slider, .team-grid, .data-visualizations {
    flex-direction: column;
    gap: 18px;
  }
  .feature-grid > div, .case-study, .data-visualizations > div, .team-member {
    min-width: 0;
    max-width: 100%;
  }
  .text-image-section {
    flex-direction: column;
    gap: 18px;
  }
  .footer-menu {
    flex-direction: column;
    gap: 10px;
    align-items: center;
  }
  .footer-social {
    gap: 10px;
  }
  .section {
    padding: 28px 8px;
  }
  .cookie-modal {
    min-width: 0;
    padding: 22px 8px 18px 8px;
  }
}
@media (max-width: 480px) {
  h1 {
    font-size: 1.4rem;
  }
  h2 {
    font-size: 1.1rem;
  }
  .hero {
    padding: 18px 0 10px 0;
  }
  .cookie-banner {
    padding: 14px 6px 14px 6px;
  }
}

/* ====== Micro-interactions ====== */
.card, .feature-grid > div, .testimonial-card, .case-study, .team-member {
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover, .feature-grid > div:hover, .testimonial-card:hover, .case-study:hover, .team-member:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px) scale(1.02);
}
.cta-btn:active {
  transform: scale(0.98);
}

/* ====== Utility Classes ====== */
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.text-center { text-align: center !important; }

/* ====== Accessibility ====== */
:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* ====== Hide elements visually but keep accessible ====== */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ====== End of style.css ====== */