/* ============================================================
   PAPERCLIP AI — styles.css
   ============================================================ */

/* === VARIABLES === */
:root {
  --night: #080a1e;
  --deep: #101a44;
  --ink: #eef1ff;
  --muted: rgba(206, 214, 255, 0.72);
  --soft: rgba(255, 255, 255, 0.1);
  --glass: rgba(255, 255, 255, 0.13);
  --line: rgba(255, 255, 255, 0.18);
  --cyan: #6c82f5;
  --blue: #4c5fd6;
  --mint: #a8b8ff;
  --amber: #8f9df2;
  --coral: #6a5fd8;
  --pop: #7c4dff;
  --paper: #ffffff;
  --dark-text: #131a42;
  --dark-muted: #5b6180;
  --radius: 10px;
  --radius-lg: 16px;
  --blur: blur(24px) saturate(160%);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  --glow-cyan: 0 0 0 1px rgba(108, 130, 245, 0.4), 0 0 40px rgba(108, 130, 245, 0.18);
  --glow-mint: 0 0 0 1px rgba(168, 184, 255, 0.4), 0 0 40px rgba(168, 184, 255, 0.18);
  --t-fast: 160ms ease;
  --t-med: 320ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Identités produit */
  --velyn: #9d8cff;
  --velyn-rgb: 157, 140, 255;
  --velyn-deep-rgb: 124, 92, 250;
  --byllpro: #3d5adb;
  --byllpro-light: #6c86ff;
  --byllpro-rgb: 61, 90, 219;
  --byllpro-deep-rgb: 22, 38, 79;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(108, 130, 245, 0.2), transparent 27rem),
    radial-gradient(circle at 82% 0%, rgba(168, 184, 255, 0.16), transparent 23rem),
    linear-gradient(145deg, var(--night), var(--deep) 56%, #eef0fd 56%, #f7f8fd 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body.nav-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
button, summary { font: inherit; cursor: pointer; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, li, summary { overflow-wrap: anywhere; }
p { margin: 0; }
h1, h2, h3 { margin: 0; line-height: 1.04; letter-spacing: -0.01em; }

/* === TYPOGRAPHY === */
h1 { font-size: clamp(2.8rem, 7.5vw, 6rem); font-weight: 900; max-width: 12ch; }
h2 { font-size: clamp(2rem, 4.2vw, 3.7rem); font-weight: 900; }
h3 { font-size: clamp(1.18rem, 1.9vw, 1.52rem); font-weight: 900; }

.eyebrow {
  margin: 0;
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lead {
  max-width: 700px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.9vw, 1.22rem);
}

/* Line reveal helper */
h1 .line { display: block; overflow: hidden; }

.hero-copy h1 .accent { color: var(--pop); }
.hero-copy h1 .accent-underline {
  text-decoration: underline;
  text-decoration-color: var(--pop);
  text-decoration-thickness: 4px;
  text-underline-offset: 2px;
}

/* === PAGE TRANSITION OVERLAY === */
#page-transition {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--night);
  opacity: 1;
  pointer-events: none;
}

/* === HEADER === */
.site-header {
  position: fixed;
  z-index: 50;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1280px, calc(100% - 40px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 40px);
  border: 1px solid var(--line);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  background: rgba(8, 8, 22, 0.78);
  backdrop-filter: var(--blur);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.32);
  transition: top var(--t-fast), background var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
}

.site-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--pop);
}

.site-header.is-scrolled {
  top: 8px;
  background: rgba(8, 8, 22, 0.94);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 900;
  flex-shrink: 0;
  transition: opacity var(--t-fast);
}
.brand:hover { opacity: 0.85; }

.brand-logo {
  height: 34px;
  width: auto;
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand-logo img { height: 100%; width: auto; object-fit: contain; }

.brand-name {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* === NAVIGATION DESKTOP === */
.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  color: rgba(216, 222, 255, 0.82);
  font-size: 0.9rem;
}

.main-nav > a,
.nav-saas-trigger {
  padding: 7px 13px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: inherit;
  white-space: nowrap;
  transition: color var(--t-fast), background var(--t-fast);
}

.main-nav > a:hover,
.nav-saas-trigger:hover { color: var(--paper); background: rgba(255, 255, 255, 0.1); }
.main-nav > a[aria-current="page"] { color: var(--paper); font-weight: 900; background: rgba(255, 255, 255, 0.08); }

.nav-saas-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-saas-trigger svg { transition: transform var(--t-fast); }
.nav-saas.is-open .nav-saas-trigger svg { transform: rotate(180deg); }

/* === NAV DROPDOWN === */
.nav-saas { position: relative; }

/* bridges the visual gap between trigger and dropdown so :hover doesn't drop between the two */
.nav-saas::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 14px;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  min-width: 250px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(10, 12, 34, 0.94);
  backdrop-filter: var(--blur);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease, transform 220ms ease;
}

.nav-saas:hover .nav-dropdown,
.nav-saas:focus-within .nav-dropdown,
.nav-saas.is-open .nav-dropdown {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.nav-dropdown a {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 13px 14px;
  border-radius: 8px;
  position: relative;
  transition: background var(--t-fast);
}
.nav-dropdown a:hover { background: rgba(255, 255, 255, 0.1); }
.nav-dropdown a strong { color: var(--paper); font-size: 0.95rem; display: block; }
.nav-dropdown a span { color: var(--muted); font-size: 0.8rem; }

/* === BADGE NEW === */
.badge-new {
  position: absolute;
  top: 10px; right: 12px;
  padding: 2px 8px;
  border-radius: 99px;
  background: linear-gradient(135deg, var(--cyan), var(--mint));
  color: #10122c;
  font-size: 0.62rem;
  font-weight: 900;
  font-style: normal;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  animation: pulse-badge 2.5s ease-in-out infinite;
}

@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(108, 130, 245, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(108, 130, 245, 0); }
}

/* === NAV TOGGLE (mobile) === */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
  color: var(--paper);
  backdrop-filter: var(--blur);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--t-fast), opacity var(--t-fast);
}
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { transform: translateY(-7px) rotate(-45deg); }

/* === KEYFRAMES === */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(var(--rot, 0deg)); }
  50% { transform: translateY(-14px) rotate(var(--rot, 0deg)); }
}

@keyframes float-reverse {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(10px); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 120px clamp(20px, 5vw, 72px) 72px;
}

.glass-field {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.glass-field::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.22) 1.4px, transparent 1.6px);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(ellipse 65% 55% at 62% 38%, black 35%, transparent 78%);
  mask-image: radial-gradient(ellipse 65% 55% at 62% 38%, black 35%, transparent 78%);
}

.light {
  position: absolute;
  border-radius: 999px;
  filter: blur(22px);
  animation: pulse-glow 4s ease-in-out infinite;
}

.light-a {
  width: 32rem; height: 32rem;
  top: 10%; right: 10%;
  background: rgba(108, 130, 245, 0.26);
  animation-delay: 0s;
}
.light-b {
  width: 26rem; height: 26rem;
  right: -5rem; bottom: 8%;
  background: rgba(168, 184, 255, 0.22);
  animation-delay: 1.5s;
}
.light-c {
  width: 18rem; height: 18rem;
  left: 15%; bottom: 12%;
  background: rgba(143, 157, 242, 0.14);
  animation-delay: 0.8s;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1360px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.82fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
}

.hero-copy { display: grid; gap: 28px; }
.hero-copy h1 { max-width: none; }

@media (min-width: 1081px) {
  .hero-copy h1 { font-size: clamp(2.35rem, 3.05vw, 3.55rem); }
}

.hero-actions, .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* === HERO VISUAL === */
.hero-visual {
  position: relative;
  min-height: 600px;
}

.glass-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.06)),
              rgba(255, 255, 255, 0.07);
  box-shadow: var(--shadow);
  backdrop-filter: var(--blur);
}

.command-panel {
  position: absolute;
  top: 6%; right: 0;
  width: min(440px, 100%);
  padding: 22px;
  animation: float 6s ease-in-out infinite;
  z-index: 2;
}

.panel-head { display: flex; gap: 8px; margin-bottom: 22px; }
.panel-head span {
  width: 10px; height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.38);
}

.request-card {
  display: grid;
  gap: 8px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(8, 8, 22, 0.36);
}
.request-card small { color: var(--muted); font-size: 0.78rem; }
.request-card strong { line-height: 1.38; font-size: 0.95rem; }

.flow-row {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto;
  gap: 10px;
  align-items: center;
  margin-top: 22px;
  color: rgba(216, 222, 255, 0.9);
  font-size: 0.84rem;
  font-weight: 900;
}
.flow-row i {
  height: 1px;
  background: linear-gradient(90deg, rgba(108, 130, 245, 0.8), transparent);
}

.mini-panel {
  position: absolute;
  width: 220px;
  display: grid;
  gap: 8px;
  padding: 20px;
  z-index: 1;
}
.mini-panel p { margin: 0; font-size: 0.9rem; color: var(--muted); }

.panel-icon, .tag, .number, .timeline-badge {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: var(--radius);
  color: #10122c;
  background: rgba(108, 130, 245, 0.9);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.panel-software {
  left: 0; top: 44%;
  --rot: -1deg;
  animation: float 5.2s ease-in-out infinite 0.8s;
}
.panel-agent {
  right: -2%; bottom: 9%;
  --rot: 1deg;
  animation: float 4.8s ease-in-out infinite 1.6s;
}
.panel-mobile {
  left: 12%; bottom: 0;
  --rot: -0.5deg;
  animation: float 5.8s ease-in-out infinite 0.3s;
}
.panel-saas {
  left: 43%; top: 41%;
  animation: float-reverse 5s ease-in-out infinite 1.2s;
}

/* === BUTTONS === */
.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border-radius: var(--radius);
  font-weight: 900;
  font-size: 0.94rem;
  border: 1px solid transparent;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast), border-color var(--t-fast);
  cursor: pointer;
}
.button:hover { transform: translateY(-2px); }

.button-primary {
  color: #10122c;
  background: linear-gradient(135deg, var(--cyan), var(--mint));
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 16px 40px rgba(108, 130, 245, 0.22);
}
.button-primary:hover { box-shadow: 0 20px 52px rgba(108, 130, 245, 0.36); }

.button-ghost {
  color: var(--paper);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: var(--blur);
}
.button-ghost:hover { background: rgba(255, 255, 255, 0.16); }

.button-ghost-dark {
  color: var(--dark-text);
  background: rgba(255, 255, 255, 0.5);
  border-color: rgba(20, 22, 58, 0.15);
}
.button-ghost-dark:hover { background: rgba(255, 255, 255, 0.72); }

.button-mint {
  color: #f2f3fd;
  background: linear-gradient(135deg, var(--byllpro-light), var(--byllpro));
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 16px 40px rgba(var(--byllpro-rgb), 0.32);
}
.button-mint:hover { box-shadow: 0 20px 52px rgba(var(--byllpro-rgb), 0.46); }

/* === SECTIONS === */
.section {
  padding: clamp(80px, 10vw, 140px) clamp(20px, 5vw, 72px);
}

.section-inner {
  width: min(1240px, 100%);
  margin: 0 auto;
}

.section-heading { max-width: 860px; margin-bottom: 44px; }
.section-heading.wide { max-width: 1020px; }
.section-heading.narrow { max-width: 680px; }
.section-heading.centered { text-align: center; margin-left: auto; margin-right: auto; }

.section-heading p:not(.eyebrow) {
  margin-top: 18px;
  color: var(--muted);
  font-size: 1.08rem;
}

/* Dark sections */
.section-dark {
  background:
    radial-gradient(circle at 80% 8%, rgba(168, 184, 255, 0.16), transparent 26rem),
    radial-gradient(circle at 8% 52%, rgba(76, 95, 214, 0.13), transparent 22rem),
    linear-gradient(145deg, #080a1e, #131a42);
}

/* Light sections */
.section-light {
  color: var(--dark-text);
  background:
    radial-gradient(circle at 12% 0%, rgba(108, 130, 245, 0.18), transparent 22rem),
    radial-gradient(circle at 94% 14%, rgba(143, 157, 242, 0.12), transparent 20rem),
    #f2f3fd;
}
.section-light .eyebrow { color: #2c3fc4; }
.section-light .section-heading p:not(.eyebrow) { color: var(--dark-muted); }
.section-light h2, .section-light h3 { color: var(--dark-text); }

/* White sections */
.section-white {
  color: var(--dark-text);
  background:
    radial-gradient(circle at 8% 20%, rgba(108, 130, 245, 0.14), transparent 28rem),
    #ffffff;
}
.section-white .eyebrow { color: #2c3fc4; }
.section-white .section-heading p:not(.eyebrow) { color: var(--dark-muted); }

/* === GLASS CARDS === */
.glass-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.76), rgba(255, 255, 255, 0.38)),
              rgba(255, 255, 255, 0.2);
  box-shadow: 0 16px 56px rgba(40, 40, 84, 0.13);
  backdrop-filter: var(--blur);
  padding: 28px;
  color: var(--dark-text);
}
.glass-card.dark {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.05)),
              rgba(255, 255, 255, 0.07);
  color: var(--ink);
}
.glass-card h3 { margin-top: 14px; }
.glass-card p { color: var(--dark-muted); margin-top: 10px; }
.glass-card.dark p { color: var(--muted); }

.card-link {
  display: block;
  transition: transform var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
}
.card-link:hover {
  transform: translateY(-5px);
  border-color: rgba(108, 130, 245, 0.5);
  box-shadow: var(--glow-cyan), 0 24px 70px rgba(40, 40, 84, 0.18);
}

.tag {
  background: rgba(108, 130, 245, 0.78);
  color: #10122c;
}

/* === HOME: OFFER OVERVIEW === */
.offer-overview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.offer-overview .glass-card.featured { grid-column: span 2; }

/* === HOME: SAAS SPOTLIGHT === */
.saas-spotlight {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.saas-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: grid;
  gap: 16px;
  min-height: 360px;
  align-content: start;
  transition: transform var(--t-fast), border-color var(--t-fast);
}
.saas-card:hover { transform: translateY(-5px); border-color: rgba(255, 255, 255, 0.3); }

.saas-card-velyn {
  background:
    radial-gradient(circle at 85% 15%, rgba(var(--velyn-rgb), 0.22), transparent 50%),
    linear-gradient(145deg, #0d0a28, #1c1440);
}
.saas-card-byllpro {
  background:
    radial-gradient(circle at 15% 85%, rgba(var(--byllpro-rgb), 0.22), transparent 50%),
    linear-gradient(145deg, #060b1c, #101d3f);
}

.saas-card-icon {
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.1);
  font-size: 1.5rem;
  backdrop-filter: var(--blur);
}

.saas-card h3 { color: var(--paper); font-size: clamp(1.4rem, 2.5vw, 2rem); margin-top: 8px; }
.saas-card p { color: var(--muted); font-size: 1.02rem; }
.saas-card .button { margin-top: 12px; width: fit-content; }

.saas-card-bg-orb {
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 999px;
  filter: blur(70px);
  opacity: 0.25;
  pointer-events: none;
}
.saas-card-velyn .saas-card-bg-orb { background: var(--velyn); top: -80px; right: -80px; }
.saas-card-byllpro .saas-card-bg-orb { background: var(--byllpro); bottom: -80px; left: -80px; }

/* === HOME: FOCUS LIST === */
.home-focus {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}

.focus-list { display: grid; gap: 14px; }

.focus-item {
  display: grid;
  gap: 8px;
  padding: 22px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.05)),
    rgba(255, 255, 255, 0.07);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  backdrop-filter: var(--blur);
  transition: border-color var(--t-fast);
}
.focus-item:hover { border-color: rgba(108, 130, 245, 0.38); }
.focus-item strong { color: var(--paper); font-size: 1.06rem; }
.focus-item span { color: var(--muted); font-size: 0.95rem; }

/* === DETAIL LIST (logiciels sur mesure) === */
.detail-list { display: grid; gap: 16px; }

.detail-item {
  display: grid;
  grid-template-columns: minmax(200px, 0.55fr) minmax(280px, 1fr) minmax(240px, 0.9fr);
  gap: 28px;
  padding: 32px;
  color: var(--dark-text);
  border: 1px solid rgba(40, 40, 84, 0.12);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.46));
  box-shadow: 0 16px 56px rgba(40, 40, 84, 0.14);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.detail-item:hover { transform: translateY(-4px); box-shadow: 0 24px 70px rgba(40, 40, 84, 0.2); }

.number {
  background: rgba(143, 157, 242, 0.9);
  color: #10122c;
  font-size: 0.74rem;
}

.feature-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.feature-list li {
  position: relative;
  padding-left: 22px;
  color: var(--dark-muted);
  font-size: 0.96rem;
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.78em;
  width: 7px; height: 7px;
  border-radius: 999px;
  background: #2c3fc4;
}

/* === POSSIBILITY GRID === */
.possibility-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.poss-card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05)),
    rgba(255, 255, 255, 0.06);
  backdrop-filter: var(--blur);
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.poss-card:hover { transform: translateY(-4px); border-color: rgba(108, 130, 245, 0.42); }
.poss-card h3 { color: var(--ink); font-size: 1.1rem; margin-bottom: 10px; }
.poss-card p { color: var(--muted); font-size: 0.95rem; }
.poss-card ul { margin: 14px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.poss-card li {
  color: var(--muted);
  font-size: 0.9rem;
  position: relative;
  padding-left: 18px;
}
.poss-card li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.74em;
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--cyan);
}

/* === AI SECTION === */
.ai-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(320px, 1fr);
  gap: clamp(30px, 7vw, 86px);
  align-items: start;
}

.ai-capabilities { display: grid; gap: 12px; }

.ai-cap-item {
  display: grid;
  gap: 7px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.04)),
    rgba(255, 255, 255, 0.06);
  backdrop-filter: var(--blur);
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.ai-cap-item:hover { border-color: rgba(108, 130, 245, 0.4); transform: translateY(-3px); }
.ai-cap-item strong { color: var(--paper); font-size: 1.02rem; }
.ai-cap-item span { color: var(--muted); font-size: 0.92rem; }

/* === BENTO GRID (Velyn / Byllpro) === */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(170px, auto);
  gap: 16px;
}

.bento-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.04)),
    rgba(255, 255, 255, 0.06);
  backdrop-filter: var(--blur);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}
.bento-card:hover {
  transform: translateY(-4px);
  border-color: rgba(108, 130, 245, 0.44);
  box-shadow: var(--glow-cyan);
}

.bento-card.span-2 { grid-column: span 2; }
.bento-card.row-2 { grid-row: span 2; }
.bento-card.featured {
  background:
    radial-gradient(circle at 70% 30%, rgba(var(--velyn-rgb), 0.16), transparent 60%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.06)),
    rgba(255, 255, 255, 0.08);
}
.bento-card.featured:hover { border-color: rgba(var(--velyn-rgb), 0.44); box-shadow: 0 0 0 1px rgba(var(--velyn-rgb), 0.4), 0 0 40px rgba(var(--velyn-rgb), 0.18); }
.bento-card.featured-mint {
  background:
    radial-gradient(circle at 30% 70%, rgba(var(--byllpro-rgb), 0.16), transparent 60%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.06)),
    rgba(255, 255, 255, 0.08);
}
.bento-card.featured-mint:hover { border-color: rgba(var(--byllpro-rgb), 0.44); box-shadow: 0 0 0 1px rgba(var(--byllpro-rgb), 0.4), 0 0 40px rgba(var(--byllpro-rgb), 0.18); }

.bento-card-icon { font-size: 1.8rem; }
.bento-card h3 { font-size: 1.12rem; color: var(--paper); }
.bento-card p { color: var(--muted); font-size: 0.92rem; flex: 1; }

.bento-tag {
  width: fit-content;
  padding: 4px 10px;
  border-radius: 99px;
  background: rgba(var(--velyn-rgb), 0.18);
  border: 1px solid rgba(var(--velyn-rgb), 0.38);
  color: var(--velyn);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bento-tag.mint {
  background: rgba(var(--byllpro-rgb), 0.18);
  border-color: rgba(var(--byllpro-rgb), 0.38);
  color: var(--byllpro);
}

/* === STEPS (comment ça marche) === */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.step-item {
  padding: 32px;
  border: 1px solid rgba(40, 40, 84, 0.12);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.46));
  color: var(--dark-text);
  display: grid;
  gap: 12px;
  align-content: start;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.step-item:hover { transform: translateY(-4px); box-shadow: 0 20px 60px rgba(40, 40, 84, 0.18); }

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cyan), var(--mint));
  color: #10122c;
  font-size: 1rem;
  font-weight: 900;
}

.step-item h3 { font-size: 1.12rem; color: var(--dark-text); }
.step-item p { color: var(--dark-muted); font-size: 0.96rem; }

/* Step with mint variant */
.step-item.mint .step-number { background: linear-gradient(135deg, var(--mint), var(--blue)); }

/* === CAESAR === */
.caesar-progress {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  position: relative;
}

.caesar-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  padding: 26px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.04)),
    rgba(255, 255, 255, 0.06);
  backdrop-filter: var(--blur);
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.caesar-step:hover { border-color: rgba(108, 130, 245, 0.48); transform: translateY(-4px); }

.caesar-step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cyan), var(--mint));
  color: #10122c;
  font-weight: 900;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.caesar-step h3 { font-size: 0.96rem; color: var(--paper); margin: 0; }
.caesar-step p { font-size: 0.82rem; color: var(--muted); margin: 0; }

.caesar-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.caesar-cat {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.04));
  backdrop-filter: var(--blur);
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.caesar-cat:hover { border-color: rgba(108, 130, 245, 0.42); transform: translateY(-3px); }
.caesar-cat strong { color: var(--cyan); display: block; margin-bottom: 8px; font-size: 1.02rem; }
.caesar-cat p { color: var(--muted); font-size: 0.9rem; }

/* === TIMELINE (méthode) === */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.timeline-item {
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05)),
    rgba(255, 255, 255, 0.06);
  backdrop-filter: var(--blur);
  display: grid;
  gap: 12px;
  align-content: start;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.timeline-item:hover { transform: translateY(-4px); border-color: rgba(108, 130, 245, 0.42); }

.timeline-badge {
  background: rgba(168, 184, 255, 0.88);
  color: #10122c;
}

.timeline-item h3 { color: var(--paper); font-size: 1.1rem; }
.timeline-item p { color: var(--muted); font-size: 0.92rem; }

/* === FAQ === */
.faq-list { display: grid; gap: 10px; }

.faq-item {
  border: 1px solid rgba(40, 40, 84, 0.13);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.44));
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  padding: 22px 26px;
  font-weight: 900;
  color: var(--dark-text);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color var(--t-fast);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  width: 30px; height: 30px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(108, 130, 245, 0.18);
  color: #2c3fc4;
  font-size: 1.3rem;
  font-weight: 300;
  transition: transform var(--t-fast), background var(--t-fast);
}
.faq-item[open] summary::after { transform: rotate(45deg); background: rgba(108, 130, 245, 0.32); }
.faq-item[open] summary { color: #2c3fc4; }

.faq-item p {
  padding: 0 26px 22px;
  color: var(--dark-muted);
  font-size: 0.98rem;
}

/* === CONTACT CTA SECTION === */
.contact-cta {
  padding: clamp(80px, 10vw, 130px) clamp(20px, 5vw, 72px);
  color: var(--dark-text);
  background:
    radial-gradient(circle at 10% 20%, rgba(108, 130, 245, 0.2), transparent 26rem),
    radial-gradient(circle at 88% 0%, rgba(168, 184, 255, 0.2), transparent 22rem),
    #ffffff;
}

.contact-cta-inner {
  width: min(1240px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(280px, 0.78fr);
  gap: clamp(32px, 7vw, 86px);
  align-items: center;
}

.contact-cta h2 { max-width: 780px; }
.contact-cta p:not(.eyebrow) {
  max-width: 700px;
  margin-top: 18px;
  font-size: 1.08rem;
  color: var(--dark-muted);
}

.contact-cta-card {
  padding: 32px;
  border: 1px solid rgba(40, 40, 84, 0.14);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.5));
  box-shadow: 0 20px 60px rgba(40, 40, 84, 0.14);
  display: grid;
  gap: 16px;
}

.eyebrow-teal { color: #2c3fc4; }

/* === PAGE HERO (sub-pages) === */
.page-hero {
  position: relative;
  min-height: 66vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 140px clamp(20px, 5vw, 72px) clamp(64px, 8vw, 108px);
  background:
    radial-gradient(circle at 18% 12%, rgba(108, 130, 245, 0.22), transparent 30rem),
    radial-gradient(circle at 82% 4%, rgba(168, 184, 255, 0.16), transparent 26rem),
    linear-gradient(145deg, #080a1e, #131a42);
}

.page-hero.violet-accent {
  background:
    radial-gradient(circle at 18% 12%, rgba(var(--velyn-rgb), 0.22), transparent 30rem),
    radial-gradient(circle at 82% 4%, rgba(var(--velyn-deep-rgb), 0.16), transparent 26rem),
    linear-gradient(145deg, #080a1e, #1c1440);
}

.page-hero.deepblue-accent {
  background:
    radial-gradient(circle at 18% 12%, rgba(var(--byllpro-rgb), 0.24), transparent 30rem),
    radial-gradient(circle at 82% 4%, rgba(var(--byllpro-deep-rgb), 0.3), transparent 26rem),
    linear-gradient(145deg, #050813, #0c1730);
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  width: min(1140px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 24px;
}

.page-hero h1 { max-width: 14ch; }
.page-hero .lead { max-width: 880px; }

/* === WEB & MOBILE === */
.two-col-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.web-mobile-card {
  padding: 32px;
  border: 1px solid rgba(40, 40, 84, 0.12);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.44));
  color: var(--dark-text);
  display: grid;
  gap: 12px;
  align-content: start;
  transition: transform var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast);
}
.web-mobile-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(40, 40, 84, 0.18);
  border-color: rgba(108, 130, 245, 0.5);
}

.card-type {
  width: fit-content;
  padding: 4px 12px;
  border-radius: 99px;
  background: rgba(108, 130, 245, 0.14);
  border: 1px solid rgba(108, 130, 245, 0.3);
  color: #2c3fc4;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.web-mobile-card h3 { color: var(--dark-text); }
.web-mobile-card p { color: var(--dark-muted); font-size: 0.96rem; }
.web-mobile-card ul { margin: 12px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.web-mobile-card li {
  color: var(--dark-muted);
  font-size: 0.9rem;
  position: relative;
  padding-left: 18px;
}
.web-mobile-card li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.76em;
  width: 6px; height: 6px;
  border-radius: 999px;
  background: #2c3fc4;
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.usecase-item {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.05)),
    rgba(255, 255, 255, 0.06);
  backdrop-filter: var(--blur);
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.usecase-item:hover { border-color: rgba(108, 130, 245, 0.4); transform: translateY(-3px); }
.usecase-item h3 { font-size: 1rem; color: var(--paper); margin-bottom: 8px; }
.usecase-item p { font-size: 0.88rem; color: var(--muted); }

.realisation-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 48px;
}
.realisation-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255,255,255,0.92), rgba(255,255,255,0.62));
  border: 1px solid rgba(40, 40, 84, 0.1);
  text-decoration: none;
  color: inherit;
  transition: transform var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast);
}
.realisation-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(8, 8, 22, 0.1);
  border-color: rgba(108, 130, 245, 0.45);
}
.real-type {
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: #3648d6;
  background: rgba(108, 130, 245, 0.16);
  padding: 3px 9px;
  border-radius: 4px;
  width: fit-content;
}
.realisation-card strong {
  font-size: 1rem;
  font-weight: 800;
  color: var(--dark-text);
  line-height: 1.3;
}
.realisation-card p {
  font-size: 0.86rem;
  color: var(--dark-muted);
  margin: 0;
  flex: 1;
  line-height: 1.55;
}
.real-url {
  font-size: 0.75rem;
  color: #7a80ab;
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 4px;
}
.real-url svg { flex-shrink: 0; }

/* === CONTACT PAGE === */
.contact-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.contact-hero-info { display: grid; gap: 16px; margin-top: 30px; }
.contact-hero-info-item {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.contact-hero-info-item strong { display: block; color: var(--paper); font-size: 0.95rem; margin-bottom: 4px; }
.contact-hero-info-item span { color: var(--muted); font-size: 0.92rem; }
.contact-hero-info-item a { color: var(--cyan); font-weight: 700; text-decoration: none; }
.contact-hero-info-item a:hover { text-decoration: underline; }

.contact-form-panel { padding: clamp(24px, 3vw, 34px); }
.contact-form-panel .contact-form { max-width: none; }
.contact-form-panel .form-success { max-width: none; }

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

.contact-items { display: grid; gap: 12px; }

.contact-item {
  padding: 22px 26px;
  border: 1px solid rgba(40, 40, 84, 0.13);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.44));
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.contact-item:hover { transform: translateY(-3px); box-shadow: 0 16px 50px rgba(40, 40, 84, 0.16); }
.contact-item strong { color: var(--dark-text); display: block; margin-bottom: 6px; font-size: 1.02rem; }
.contact-item p, .contact-item span { color: var(--dark-muted); font-size: 0.94rem; }
.contact-item a { color: #2c3fc4; font-weight: 700; }
.contact-item a:hover { text-decoration: underline; }

/* === FOOTER ENRICHI === */
.site-footer {
  display: block;
  padding: 0;
  background: #080a1e;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.88rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(200px, 1.5fr) repeat(3, minmax(120px, 1fr));
  gap: clamp(24px, 5vw, 60px);
  padding: clamp(48px, 6vw, 72px) clamp(20px, 5vw, 72px) clamp(32px, 4vw, 48px);
  width: min(1240px, 100%);
  margin: 0 auto;
}

.footer-brand { display: grid; gap: 16px; align-content: start; }
.footer-tagline { color: var(--muted); font-size: 0.88rem; margin: 0; }

.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: var(--muted);
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.footer-social a:hover { color: var(--paper); border-color: rgba(255,255,255,0.3); background: rgba(255,255,255,0.08); }

.footer-col { display: grid; gap: 12px; align-content: start; }
.footer-col-title {
  margin: 0;
  font-size: 0.74rem;
  font-weight: 900;
  color: var(--paper);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.footer-col a {
  color: var(--muted);
  font-size: 0.9rem;
  transition: color var(--t-fast);
  display: flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
}
.footer-col a:hover { color: var(--paper); }
.footer-col .footer-email { color: var(--cyan); font-size: 0.88rem; }
.footer-col .footer-email:hover { color: var(--paper); }

.footer-bottom {
  padding: 18px clamp(20px, 5vw, 72px);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  color: rgba(216, 222, 255, 0.38);
  font-size: 0.8rem;
  text-align: center;
}

/* === RESPONSIVE === */
@media (max-width: 1080px) {
  .hero-inner, .ai-grid, .home-focus, .contact-cta-inner, .contact-hero-grid { grid-template-columns: 1fr; }
  .prep-items { grid-template-columns: 1fr; }
  .hero-visual { min-height: 480px; }

  .offer-overview { grid-template-columns: repeat(2, 1fr); }
  .offer-overview .glass-card.featured { grid-column: auto; }

  .saas-spotlight { grid-template-columns: 1fr; }
  .possibility-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-item { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .bento-grid { grid-template-columns: repeat(2, 1fr); }
  .bento-card.span-2 { grid-column: span 2; }
  .caesar-progress { grid-template-columns: repeat(3, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .two-col-grid { grid-template-columns: 1fr; }
  .usecase-grid { grid-template-columns: repeat(2, 1fr); }
  .realisation-grid { grid-template-columns: repeat(2, 1fr); }
  .caesar-categories { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 790px) {
  .site-header { min-height: 68px; }
  .nav-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: 90px; left: 14px; right: 14px;
    display: grid;
    gap: 3px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(8, 8, 22, 0.94);
    box-shadow: var(--shadow);
    backdrop-filter: var(--blur);
    transform: translateY(-14px);
    opacity: 0;
    pointer-events: none;
    transition: transform 200ms ease, opacity 200ms ease;
    overflow-y: auto;
    max-height: calc(100vh - 104px);
  }

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

  .main-nav > a,
  .nav-saas-trigger {
    min-height: 44px;
    display: flex;
    align-items: center;
    padding: 0 12px;
    border-radius: 8px;
    width: 100%;
    justify-content: flex-start;
  }

  .nav-saas { display: contents; }

  .nav-dropdown {
    position: static;
    transform: none;
    width: auto;
    min-width: 0;
    max-height: 0;
    opacity: 0;
    pointer-events: none;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.06);
    box-shadow: none;
    margin-left: 12px;
    border-left: 1px solid var(--line);
    padding: 0 8px;
    transition: max-height 220ms ease, opacity 180ms ease;
  }
  .nav-saas.is-open .nav-dropdown {
    transform: none;
    max-height: 240px;
    opacity: 1;
    pointer-events: auto;
    padding: 4px 8px;
  }
  .nav-dropdown a { padding: 10px 12px; }
  .nav-dropdown a strong { font-size: 0.9rem; }
  .badge-new { position: static; display: inline; margin-left: 6px; }

  h1 { font-size: clamp(2.3rem, 10vw, 4rem); }

  .hero { min-height: auto; padding-top: 110px; }
  .hero-visual { min-height: auto; }

  .command-panel, .mini-panel {
    position: relative;
    top: auto; right: auto; bottom: auto; left: auto;
    width: 100%; margin-top: 14px;
    animation: none;
  }

  .offer-overview, .possibility-grid, .saas-spotlight,
  .bento-grid, .timeline, .caesar-categories,
  .usecase-grid { grid-template-columns: 1fr; }

  .bento-card.span-2, .bento-card.row-2 { grid-column: auto; grid-row: auto; }
  .offer-overview .glass-card.featured { grid-column: auto; }
  .caesar-progress { grid-template-columns: 1fr 1fr; }

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

@media (max-width: 460px) {
  .brand-logo { height: 30px; }
  .hero-actions, .contact-actions { flex-direction: column; }
  .button { width: 100%; justify-content: center; }
  .flow-row { grid-template-columns: 1fr; }
  .flow-row i { display: none; }
  .caesar-progress { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .realisation-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   EXTENSIONS — NOUVEAUX COMPOSANTS
   ============================================================ */

/* === FOOTER RESPONSIVE === */
@media (max-width: 1080px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
}
@media (max-width: 460px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
}

/* === SCROLL-TO-TOP === */
.scroll-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px; height: 44px;
  border-radius: 999px;
  background: rgba(108, 130, 245, 0.12);
  border: 1px solid rgba(108, 130, 245, 0.28);
  color: var(--cyan);
  display: grid;
  place-items: center;
  cursor: pointer;
  z-index: 100;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity var(--t-med), transform var(--t-med), background var(--t-fast), border-color var(--t-fast);
  backdrop-filter: var(--blur);
}
.scroll-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.scroll-top:hover { background: rgba(108, 130, 245, 0.24); border-color: rgba(108, 130, 245, 0.55); }

/* === SCROLL INDICATOR (hero) === */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(216, 222, 255, 0.42);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  z-index: 2;
  pointer-events: none;
  transition: opacity 0.5s ease;
}
.scroll-indicator span {
  display: block;
  width: 1px;
  height: 44px;
  background: linear-gradient(to bottom, transparent, var(--cyan), transparent);
  animation: scroll-line 2.2s ease-in-out infinite;
}
@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
  40% { opacity: 1; }
  60% { transform: scaleY(1); transform-origin: top; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* === STATS SECTION === */
.stats-section { padding: clamp(36px, 4vw, 52px) clamp(20px, 5vw, 72px); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--line);
  gap: 1px;
}
.stat-item {
  background: linear-gradient(145deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03));
  padding: clamp(28px, 4vw, 44px) 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  backdrop-filter: var(--blur);
  transition: background var(--t-fast);
}
.stat-item:hover { background: rgba(255,255,255,0.1); }
.stat-row { display: flex; align-items: baseline; justify-content: center; line-height: 1; }
.stat-number {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--cyan), var(--mint));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat-suffix {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--cyan), var(--mint));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-label {
  color: var(--muted);
  font-size: 0.84rem;
  margin: 10px 0 0;
}

@media (max-width: 790px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* === TESTIMONIALS === */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.testimonial-card {
  margin: 0;
  padding: 32px;
  border: 1px solid rgba(40, 40, 84, 0.12);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255,255,255,0.86), rgba(255,255,255,0.52));
  box-shadow: 0 16px 56px rgba(40, 40, 84, 0.12);
  display: grid;
  gap: 18px;
  align-content: start;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: 0 24px 70px rgba(40, 40, 84, 0.18); }
.testimonial-stars { color: #8391f2; font-size: 1rem; letter-spacing: 3px; }
.testimonial-card > p { color: var(--dark-muted); font-size: 0.97rem; line-height: 1.68; font-style: italic; margin: 0; }
.testimonial-card footer { display: grid; gap: 3px; border-top: 1px solid rgba(40,40,84,0.1); padding-top: 16px; }
.testimonial-card strong { color: var(--dark-text); font-size: 0.94rem; }
.testimonial-card span { color: var(--dark-muted); font-size: 0.8rem; }

@media (max-width: 1080px) {
  .testimonial-grid { grid-template-columns: 1fr; }
}
@media (max-width: 790px) {
  .testimonial-grid { grid-template-columns: 1fr; }
}

/* === CONTACT FORM === */
.contact-form {
  max-width: 780px;
  display: grid;
  gap: 22px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.form-group { display: grid; gap: 8px; }
.form-group label {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
  color: var(--ink);
  font: inherit;
  font-size: 0.95rem;
  backdrop-filter: var(--blur);
  transition: border-color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
  outline: none;
  appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(216, 222, 255, 0.28); }
.form-group select { cursor: pointer; }
.form-group select option { background: #101a44; color: var(--ink); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(108, 130, 245, 0.6);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 3px rgba(108, 130, 245, 0.1);
}
.form-group textarea { resize: vertical; min-height: 150px; }
.form-submit { width: fit-content; }

.form-success {
  display: none;
  max-width: 780px;
  padding: 52px 40px;
  text-align: center;
  border: 1px solid rgba(168, 184, 255, 0.28);
  border-radius: var(--radius-lg);
  background: rgba(168, 184, 255, 0.05);
  backdrop-filter: var(--blur);
}
.form-success-icon {
  width: 64px; height: 64px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--mint), var(--cyan));
  color: #10122c;
  font-size: 1.6rem;
  font-weight: 900;
  display: grid;
  place-items: center;
  margin: 0 auto 20px;
}
.form-success h3 { color: var(--paper); margin-bottom: 10px; font-size: 1.5rem; }
.form-success p { color: var(--muted); font-size: 1rem; }

@media (max-width: 790px) {
  .form-row { grid-template-columns: 1fr; }
}

/* === SAAS CARD ICON (SVG variant) === */
.saas-card-icon {
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.1);
  color: var(--cyan);
  font-size: 1.5rem;
  backdrop-filter: var(--blur);
}
.saas-card-velyn .saas-card-icon { color: var(--velyn); }
.saas-card-byllpro .saas-card-icon { color: var(--byllpro); }

/* === FLOW-ROW ANIMATION === */
.flow-row i {
  height: 1px;
  background: linear-gradient(90deg, rgba(108, 130, 245, 0.8), transparent);
  animation: flow-pulse 2.8s ease-in-out infinite;
}
@keyframes flow-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* === NOISE TEXTURE DARK SECTIONS === */
.section-dark,
.page-hero {
  position: relative;
}
.section-dark > .section-inner,
.page-hero > .page-hero-inner,
.page-hero > .glass-field { position: relative; z-index: 1; }
.section-dark::after,
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.028;
  pointer-events: none;
  z-index: 0;
}

/* === À PROPOS PAGE === */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 860px;
}
.team-card {
  padding: 36px;
  border: 1px solid rgba(40, 40, 84, 0.12);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255,255,255,0.84), rgba(255,255,255,0.5));
  display: grid;
  gap: 12px;
  align-content: start;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.team-card:hover { transform: translateY(-4px); box-shadow: 0 20px 60px rgba(40, 40, 84, 0.16); }
.team-avatar {
  width: 56px; height: 56px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cyan), var(--mint));
  color: #10122c;
  font-size: 1rem;
  font-weight: 900;
  display: grid;
  place-items: center;
  letter-spacing: 0.04em;
}
.team-card strong { color: var(--dark-text); font-size: 1.14rem; }
.team-card em { color: #2c3fc4; font-size: 0.84rem; font-style: normal; font-weight: 700; }
.team-card p { color: var(--dark-muted); font-size: 0.96rem; line-height: 1.65; margin: 4px 0 0; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.value-card {
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255,255,255,0.13), rgba(255,255,255,0.04));
  backdrop-filter: var(--blur);
  display: grid;
  gap: 10px;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.value-card:hover { border-color: rgba(108,130,245,0.4); transform: translateY(-3px); }
.value-number {
  font-size: 1.8rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--cyan), var(--mint));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.value-card h3 { color: var(--paper); font-size: 1.06rem; }
.value-card p { color: var(--muted); font-size: 0.9rem; }

@media (max-width: 790px) {
  .team-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
}

/* === MENTIONS LÉGALES === */
.legal-content {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 40px;
}
.legal-section h2 {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  margin-bottom: 16px;
  color: var(--dark-text);
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(40,40,84,0.12);
}
.legal-section p, .legal-section li {
  color: var(--dark-muted);
  font-size: 0.96rem;
  line-height: 1.75;
}
.legal-section ul { padding-left: 20px; margin: 0; }
.legal-section a { color: #2c3fc4; }

/* ============================================================
   CAESAR CHAT
   ============================================================ */

.caesar-chat-section {
  background: var(--night);
  height: 100dvh;
  height: 100vh;
  padding-top: 80px;
  display: flex;
  flex-direction: column;
}

.caesar-intro-bar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding: clamp(24px, 4vw, 44px) clamp(20px, 5vw, 72px) 20px;
}

.caesar-title {
  font-size: clamp(1.5rem, 3.2vw, 2.5rem);
  font-weight: 900;
  color: var(--paper);
  line-height: 1.15;
  margin: 6px 0 10px;
}

.caesar-desc {
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 480px;
  line-height: 1.65;
  margin: 0;
}

.chat-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  margin: 0 clamp(20px, 5vw, 72px) 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.025);
  overflow: hidden;
}

.chat-window {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  scroll-behavior: smooth;
}

.chat-window::-webkit-scrollbar { width: 4px; }
.chat-window::-webkit-scrollbar-track { background: transparent; }
.chat-window::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

.msg {
  display: flex;
  gap: 10px;
  max-width: 80%;
  animation: msg-appear 0.2s ease both;
}

@keyframes msg-appear {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.msg-caesar { align-self: flex-start; }
.msg-user   { align-self: flex-end; flex-direction: row-reverse; }

.msg-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--mint));
  color: var(--night);
  font-size: 0.7rem;
  font-weight: 900;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  margin-top: 3px;
}

.msg-bubble {
  padding: 12px 16px;
  border-radius: 16px;
  border-top-left-radius: 4px;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
  word-break: break-word;
}

.msg-bubble-user {
  background: linear-gradient(135deg, rgba(108,130,245,0.2), rgba(168,184,255,0.12));
  border-color: rgba(108,130,245,0.3);
  border-radius: 16px;
  border-top-right-radius: 4px;
  color: var(--paper);
}

.typing-bubble {
  display: flex;
  gap: 5px;
  align-items: center;
  min-width: 52px;
}

.typing-bubble span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(206, 214, 255, 0.45);
  animation: dot-bounce 1.3s ease-in-out infinite;
}
.typing-bubble span:nth-child(2) { animation-delay: 0.18s; }
.typing-bubble span:nth-child(3) { animation-delay: 0.36s; }

@keyframes dot-bounce {
  0%, 80%, 100% { opacity: 0.25; transform: scale(0.75); }
  40%           { opacity: 1;    transform: scale(1.1); }
}

.chat-input-bar {
  flex-shrink: 0;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
}

.chat-input-form {
  display: flex;
  gap: 10px;
  align-items: center;
}

.chat-input {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.92rem;
  font-family: inherit;
  color: var(--ink);
  outline: none;
  transition: border-color var(--t-fast);
  min-height: 44px;
}
.chat-input::placeholder { color: rgba(206,214,255,0.3); }
.chat-input:focus        { border-color: rgba(108,130,245,0.45); }
.chat-input:disabled     { opacity: 0.4; cursor: not-allowed; }

.chat-send {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--cyan), var(--mint));
  color: var(--night);
  border: none;
  cursor: pointer;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: opacity var(--t-fast), transform var(--t-fast);
}
.chat-send:hover    { opacity: 0.82; transform: scale(1.06); }
.chat-send:disabled { opacity: 0.35; cursor: not-allowed; transform: none; }

.caesar-summary {
  display: none;
  margin: 0 clamp(20px, 5vw, 72px) 48px;
  padding: 28px 32px;
  border: 1px solid rgba(108,130,245,0.28);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(108,130,245,0.07), rgba(168,184,255,0.03));
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.38s ease, transform 0.38s ease;
}
.caesar-summary.visible { opacity: 1; transform: translateY(0); }
.caesar-summary h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--cyan);
  margin: 0 0 16px;
}
.caesar-summary-body {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.9;
}
.caesar-summary-actions {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  flex-wrap: wrap;
}

@media (max-width: 790px) {
  .caesar-intro-bar { flex-direction: column; align-items: flex-start; }
  .chat-wrap { margin: 0 14px 16px; }
  .caesar-summary { margin: 0 14px 40px; padding: 22px 20px; }
  .msg { max-width: 90%; }
}