/* ==========================================================================
   TICOP RENT — Stylesheet
   Sommaire :
   1. Design tokens (variables)
   2. Reset & base
   3. Utilitaires
   4. Header / navigation
   5. Hero
   6. Sections génériques (titres, cartes)
   7. Pourquoi TICOP RENT (cartes)
   8. Fonctionnalités (lignes alternées)
   9. Workflow
   10. KPI
   11. Avantages
   12. Intégration Business Central
   13. Témoignages
   14. FAQ / accordéon
   15. CTA
   16. Footer
   17. Back to top
   18. Animations
   19. Responsive
   ========================================================================== */

/* -------------------------------------------------------------------------
   1. DESIGN TOKENS
   ------------------------------------------------------------------------- */
:root{
  /* Couleurs de marque */
  --color-primary: #0F4C81;
  --color-primary-dark: #0A3560;
  --color-primary-light: #3B82C4;
  --color-accent-green: #1FA96B;
  --color-accent-orange: #FF7A33;

  /* Neutres (thème clair) */
  --color-bg: #FFFFFF;
  --color-bg-alt: #F5F8FB;
  --color-surface: #FFFFFF;
  --color-border: #E3E9F0;
  --color-text: #10233A;
  --color-text-muted: #5B7085;
  --color-text-inverse: #FFFFFF;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-border: rgba(255, 255, 255, 0.35);
  --glass-blur: 18px;

  /* Ombres */
  --shadow-sm: 0 2px 8px rgba(15, 76, 129, 0.08);
  --shadow-md: 0 12px 32px rgba(15, 76, 129, 0.12);
  --shadow-lg: 0 24px 64px rgba(15, 76, 129, 0.18);

  /* Typo */
  --font-main: 'Poppins', 'Segoe UI', system-ui, sans-serif;

  /* Rayons */
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  /* Rythme */
  --container-w: 1200px;
  --section-pad: clamp(4rem, 8vw, 7rem);
  --transition: 0.35s cubic-bezier(.4,0,.2,1);
}

[data-theme="dark"]{
  --color-bg: #0A1526;
  --color-bg-alt: #0F1E33;
  --color-surface: #12243C;
  --color-border: rgba(255,255,255,0.08);
  --color-text: #EAF1F8;
  --color-text-muted: #93A7BC;
  --color-text-inverse: #FFFFFF;

  --glass-bg: rgba(18, 36, 60, 0.55);
  --glass-border: rgba(255,255,255,0.08);

  --shadow-sm: 0 2px 8px rgba(0,0,0, 0.25);
  --shadow-md: 0 12px 32px rgba(0,0,0, 0.35);
  --shadow-lg: 0 24px 64px rgba(0,0,0, 0.5);
}

/* -------------------------------------------------------------------------
   2. RESET & BASE
   ------------------------------------------------------------------------- */
*, *::before, *::after{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body{
  margin: 0;
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition), color var(--transition);
}

h1, h2, h3, h4{
  font-family: var(--font-main);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.6em;
  color: var(--color-text);
}

p{ margin: 0 0 1em; color: var(--color-text-muted); }

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

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

ul{ list-style: none; margin: 0; padding: 0; }

button{ font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.visually-hidden{
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link{
  position: absolute; left: -999px; top: 0; z-index: 999;
  background: var(--color-primary); color: #fff; padding: 0.8em 1.2em;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus{ left: 0; }

:focus-visible{
  outline: 3px solid var(--color-accent-orange);
  outline-offset: 2px;
}

/* -------------------------------------------------------------------------
   3. UTILITAIRES
   ------------------------------------------------------------------------- */
.container{
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2rem);
}

.section{ padding-block: var(--section-pad); }

.eyebrow{
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: 0.8rem;
}

.section-title{
  font-size: clamp(1.9rem, 3.2vw, 2.6rem);
  max-width: 40ch;
}

.section-lead{
  max-width: 60ch;
  font-size: 1.05rem;
}

.glass{
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}

/* Boutons */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.9em 1.8em;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn:active{ transform: translateY(0); }

.btn-primary{
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover{ background: var(--color-primary-dark); box-shadow: var(--shadow-md); }

.btn-small{ padding: 0.6em 1.3em; font-size: 0.88rem; }

.btn-outline-light{
  background: rgba(255,255,255,0.08);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.65);
}
.btn-outline-light:hover{ background: rgba(255,255,255,0.18); }

.btn-cta{
  background: var(--color-accent-orange);
  color: #fff;
  box-shadow: 0 10px 24px rgba(255, 122, 51, 0.35);
}
.btn-cta:hover{ background: #e8621f; box-shadow: 0 14px 32px rgba(255, 122, 51, 0.45); }

.btn-large{ padding: 1.1em 2.4em; font-size: 1.05rem; }

/* -------------------------------------------------------------------------
   4. HEADER / NAVIGATION
   ------------------------------------------------------------------------- */
.site-header{
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 500;
  padding-block: 0.9rem;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.site-header.scrolled{
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  padding-block: 0.55rem;
}

.navbar{
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand{
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.brand-mark{ display: flex; flex-shrink: 0; }
.brand-text{ display: flex; flex-direction: column; line-height: 1.1; }
.brand-title{
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-text);
  letter-spacing: 0.01em;
}
.brand-sub{
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary-light);
}

.site-header:not(.scrolled){
  background: linear-gradient(180deg, rgba(10, 21, 38, 0.72), rgba(10, 21, 38, 0));
}
.site-header:not(.scrolled) .brand-title,
.site-header:not(.scrolled) .nav-link,
.site-header:not(.scrolled) .theme-toggle{
  color: #fff;
}
.site-header:not(.scrolled) .brand-sub{ color: #BFE0FF; }
.site-header:not(.scrolled) .theme-toggle{
  border-color: rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.08);
}
.site-header:not(.scrolled) .nav-toggle span{ background: #fff; }

.nav-links{
  display: flex;
  align-items: center;
  gap: 1.9rem;
}
.nav-link{
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding-block: 0.3rem;
  transition: color var(--transition);
}
.nav-link::after{
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--color-accent-orange);
  transition: width var(--transition);
}
.nav-link:hover{ color: var(--color-primary); }
.nav-link:hover::after{ width: 100%; }

.nav-actions{ display: flex; align-items: center; gap: 0.9rem; }

.theme-toggle{
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: background var(--transition), transform var(--transition);
}
.theme-toggle:hover{ background: var(--color-bg-alt); transform: rotate(15deg); }
.icon-moon{ display: none; }
[data-theme="dark"] .icon-sun{ display: none; }
[data-theme="dark"] .icon-moon{ display: block; }

.nav-toggle{
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 26px;
}
.nav-toggle span{
  display: block; height: 2px; width: 100%;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* -------------------------------------------------------------------------
   5. HERO
   ------------------------------------------------------------------------- */
.hero{
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 5rem;
  padding-bottom: 8rem;
}

.hero-bg{ position: absolute; inset: 0; z-index: 0; }
.hero-bg img{
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(1.05);
}
.hero-overlay{
  position: absolute; inset: 0;
  background:
    linear-gradient(120deg, rgba(10,53,96,0.92) 0%, rgba(15,76,129,0.85) 45%, rgba(15,76,129,0.55) 75%, rgba(15,76,129,0.35) 100%);
}
.hero-grid{
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 30% 40%, black 0%, transparent 70%);
}

.hero-content{
  position: relative;
  z-index: 2;
  max-width: 720px;
  color: #fff;
}
.hero-content .eyebrow{ color: #BFE0FF; }

.hero-title{
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 0.25em;
  background: linear-gradient(90deg, #ffffff 0%, #cfe6ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-subtitle{
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 500;
  color: #E4F1FF;
  max-width: 46ch;
}
.hero-text{
  color: #C7DDF2;
  max-width: 52ch;
  font-size: 1.02rem;
}
.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.6rem;
}

.hero-dashboard{
  position: absolute;
  right: clamp(1rem, 5vw, 6rem);
  bottom: clamp(1.5rem, 6vw, 4rem);
  z-index: 2;
  width: min(420px, 88vw);
  padding: 1.4rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  color: #fff;
}
.dash-row.dash-header{
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.dash-dot{ width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.5); }
.dash-title{
  margin-left: 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.85);
}
.dash-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.2rem;
}
.dash-metric{
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.6rem;
}
.dash-label{ font-size: 0.65rem; color: rgba(255,255,255,0.75); }
.dash-value{ font-size: 1.35rem; font-weight: 700; color: #7CE0B3; }
.dash-bars{
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 60px;
}
.dash-bars span{
  flex: 1;
  height: var(--h);
  background: linear-gradient(180deg, #7CE0B3, #1FA96B);
  border-radius: 4px 4px 0 0;
  opacity: 0.9;
}

.scroll-cue{
  position: absolute;
  left: 50%;
  bottom: 1.6rem;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.85);
  animation: bounce 2.2s infinite;
  z-index: 2;
}

@keyframes bounce{
  0%, 100%{ transform: translate(-50%, 0); }
  50%{ transform: translate(-50%, 8px); }
}

/* -------------------------------------------------------------------------
   6. SECTIONS GENERIQUES
   ------------------------------------------------------------------------- */
.why{ background: var(--color-bg); }
.card-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

/* -------------------------------------------------------------------------
   7. FEATURE CARDS (Pourquoi TICOP RENT)
   ------------------------------------------------------------------------- */
.feature-card{
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.7rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.feature-card:hover{
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}
.feature-icon{
  display: inline-grid;
  place-items: center;
  width: 54px; height: 54px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  margin-bottom: 1.1rem;
}
.feature-card h3{ font-size: 1.15rem; margin-bottom: 0.5rem; }
.feature-card p{ font-size: 0.95rem; margin: 0; }

/* -------------------------------------------------------------------------
   8. FONCTIONNALITES (lignes alternées)
   ------------------------------------------------------------------------- */
.features{ background: var(--color-bg-alt); }
.feature-rows{
  display: flex;
  flex-direction: column;
  gap: clamp(3rem, 6vw, 5rem);
  margin-top: 3rem;
}
.feature-row{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.feature-row.reverse .feature-row-text{ order: 2; }
.feature-row.reverse .feature-row-media{ order: 1; }

.feature-tag{
  display: inline-block;
  font-weight: 700;
  color: var(--color-primary-light);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}
.feature-row-text h3{ font-size: 1.5rem; margin-bottom: 0.7rem; }

.check-list{ display: flex; flex-direction: column; gap: 0.6rem; margin-top: 1.2rem; }
.check-list li{
  position: relative;
  padding-left: 1.8rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}
.check-list li::before{
  content: "";
  position: absolute;
  left: 0; top: 0.15em;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--color-accent-green);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='m5 12 4 4 10-10'/%3E%3C/svg%3E") center/60% no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='m5 12 4 4 10-10'/%3E%3C/svg%3E") center/60% no-repeat;
}

.feature-row-media img{
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* -------------------------------------------------------------------------
   9. WORKFLOW
   ------------------------------------------------------------------------- */
.workflow-section{ background: var(--color-bg); }
.workflow{
  position: relative;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0.75rem;
  margin-top: 4rem;
  padding-top: 1rem;
}
.workflow-track{
  position: absolute;
  top: 27px;
  left: calc(100% / 16);
  right: calc(100% / 16);
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary-light), var(--color-accent-green));
  border-radius: 3px;
}
.workflow-car{
  position: absolute;
  top: 50%;
  left: 0;
  transform: translate(-50%, -50%);
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--color-accent-orange);
  color: #fff;
  box-shadow: var(--shadow-sm);
  animation: driveAlong 8s linear infinite;
}
@keyframes driveAlong{
  0%{ left: 0%; }
  100%{ left: 100%; }
}
.workflow-step{
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.7rem;
}
.workflow-icon{
  position: relative;
  z-index: 1;
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-primary-light);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.workflow-label{ font-size: 0.85rem; font-weight: 600; }

/* -------------------------------------------------------------------------
   10. KPI
   ------------------------------------------------------------------------- */
.kpi-section{
  background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
}
.kpi-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.kpi-item{ display: flex; flex-direction: column; gap: 0.4rem; }
.kpi-value{
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: #7CE0B3;
}
.kpi-label{
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
}

/* -------------------------------------------------------------------------
   11. AVANTAGES
   ------------------------------------------------------------------------- */
.advantages{ background: var(--color-bg-alt); }
.advantages-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}
.advantage-item{
  display: flex;
  gap: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.advantage-item:hover{ transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.advantage-icon{
  flex-shrink: 0;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(31, 169, 107, 0.12);
  color: var(--color-accent-green);
}
.advantage-item h3{ font-size: 1.05rem; margin-bottom: 0.3rem; }
.advantage-item p{ font-size: 0.9rem; margin: 0; }

/* -------------------------------------------------------------------------
   12. INTEGRATION BUSINESS CENTRAL
   ------------------------------------------------------------------------- */
.integration{ background: var(--color-bg); }
.integration-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.2rem;
  margin-top: 3rem;
}
.integration-card{
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 1.3rem 1.4rem;
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, var(--color-surface), var(--color-bg-alt));
  border: 1px solid var(--color-border);
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.integration-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.integration-card .dot{
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--color-accent-green);
  flex-shrink: 0;
}

/* -------------------------------------------------------------------------
   13. TEMOIGNAGES
   ------------------------------------------------------------------------- */
.testimonials{ background: var(--color-bg-alt); }
.testimonial-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}
.testimonial-card{
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.testimonial-card blockquote{
  margin: 0;
  font-size: 1rem;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.7;
}
.testimonial-card figcaption{
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.testimonial-card figcaption span:last-child{
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
}
.testimonial-card figcaption strong{ font-size: 0.95rem; color: var(--color-text); }
.avatar{
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* -------------------------------------------------------------------------
   14. FAQ / ACCORDEON
   ------------------------------------------------------------------------- */
.faq-section{ background: var(--color-bg); }
.accordion{ margin-top: 2.5rem; max-width: 820px; }
.accordion-item{
  border-bottom: 1px solid var(--color-border);
}
.accordion-item h3{ margin: 0; }
.accordion-trigger{
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.3rem 0.2rem;
  text-align: left;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--color-text);
}
.accordion-icon{
  position: relative;
  flex-shrink: 0;
  width: 22px; height: 22px;
}
.accordion-icon::before, .accordion-icon::after{
  content: "";
  position: absolute;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition);
}
.accordion-icon::before{ top: 50%; left: 0; width: 100%; height: 2px; transform: translateY(-50%); }
.accordion-icon::after{ left: 50%; top: 0; width: 2px; height: 100%; transform: translateX(-50%); }
.accordion-trigger[aria-expanded="true"] .accordion-icon::after{ transform: translateX(-50%) rotate(90deg); opacity: 0; }

.accordion-panel{
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition);
}
.accordion-panel > p{
  overflow: hidden;
  margin: 0;
  padding-bottom: 0;
}
.accordion-item.open .accordion-panel{ grid-template-rows: 1fr; }
.accordion-panel-inner{ overflow: hidden; }
.accordion-item.open .accordion-panel > p{ padding-bottom: 1.4rem; }
.accordion-panel{ overflow: hidden; }
.accordion-panel > p{ min-height: 0; }

/* -------------------------------------------------------------------------
   15. CTA
   ------------------------------------------------------------------------- */
.cta-section{
  background: radial-gradient(ellipse at top left, var(--color-primary-light) 0%, var(--color-primary) 45%, var(--color-primary-dark) 100%);
  color: #fff;
  text-align: center;
}
.cta-inner{ display: flex; flex-direction: column; align-items: center; gap: 1.2rem; }
.cta-title{ font-size: clamp(1.8rem, 4vw, 2.6rem); max-width: 24ch; color: #fff; }
.cta-text{ color: rgba(255,255,255,0.85); max-width: 50ch; }

/* -------------------------------------------------------------------------
   16. FOOTER
   ------------------------------------------------------------------------- */
.site-footer{
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.85);
  padding-top: 4rem;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand{ display: flex; gap: 0.7rem; align-items: flex-start; }
.footer-title{ font-weight: 800; font-size: 1.1rem; color: #fff; margin: 0; }
.footer-sub{ font-size: 0.7rem; letter-spacing: 0.05em; text-transform: uppercase; color: #9FC6E8; margin: 0.15rem 0 0; }
.footer-col h3{ color: #fff; font-size: 0.95rem; margin-bottom: 1rem; }
.footer-col ul{ display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a{ font-size: 0.9rem; transition: color var(--transition); }
.footer-col a:hover{ color: #fff; }
address{ font-style: normal; font-size: 0.9rem; display: flex; flex-direction: column; gap: 0.5rem; }
.social-links{ display: flex; gap: 0.7rem; }
.social-link{
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  transition: background var(--transition), transform var(--transition);
}
.social-link:hover{ background: var(--color-accent-orange); transform: translateY(-3px); }
.footer-bottom{ padding-block: 1.5rem; font-size: 0.8rem; text-align: center; }

/* -------------------------------------------------------------------------
   17. BACK TO TOP
   ------------------------------------------------------------------------- */
.back-to-top{
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition), background var(--transition);
  z-index: 400;
}
.back-to-top.visible{ opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover{ background: var(--color-primary-dark); }

/* -------------------------------------------------------------------------
   18. ANIMATIONS (scroll reveal)
   ------------------------------------------------------------------------- */
.reveal{
  opacity: 1;
  transform: none;
}
.reveal-enabled .reveal{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-enabled .reveal.in-view{ opacity: 1; transform: translateY(0); }

.hero .reveal{ transition-delay: calc(var(--d, 0) * 0.1s); }
.hero-content .eyebrow.reveal{ --d: 0; }
.hero-title.reveal{ --d: 1; }
.hero-subtitle.reveal{ --d: 2; }
.hero-text.reveal{ --d: 3; }
.hero-actions.reveal{ --d: 4; }
.hero-dashboard.reveal{ --d: 5; }

/* -------------------------------------------------------------------------
   19. RESPONSIVE
   ------------------------------------------------------------------------- */
@media (max-width: 1024px){
  .workflow{ grid-template-columns: repeat(4, 1fr); row-gap: 2.5rem; }
  .workflow-track{ display: none; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px){
  .nav-links{
    position: fixed;
    inset: 0 0 0 auto;
    top: 0;
    height: 100svh;
    width: min(320px, 80vw);
    background: var(--color-surface);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 2rem;
    padding: 2rem 2.5rem;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 600;
  }
  .site-header:not(.scrolled) .nav-links .nav-link{ color: var(--color-text-muted); }
  .site-header:not(.scrolled) .nav-links .nav-link:hover{ color: var(--color-primary); }
  .nav-links.open{ transform: translateX(0); }
  .nav-toggle{ display: flex; }

  .feature-row, .feature-row.reverse{
    grid-template-columns: 1fr;
  }
  .feature-row.reverse .feature-row-text,
  .feature-row.reverse .feature-row-media{ order: initial; }

  .kpi-grid{ grid-template-columns: repeat(2, 1fr); }
  .footer-grid{ grid-template-columns: 1fr; }
  .hero-dashboard{ position: static; margin-top: 3rem; width: 100%; }
  .hero{ padding-bottom: 4rem; flex-direction: column; }
}

@media (max-width: 560px){
  .workflow{ grid-template-columns: repeat(2, 1fr); }
  .nav-actions .btn-small{ display: none; }
}