/* =============================================
   DIXO — Palette & Variables
   ============================================= */
:root {
  --anthracite:  #2C475A;
  --cyan:        #00E0FF;
  --coral:       #FF6B35;
  --pearl:       #F4F7F9;
  --slate:       #7F8C8D;
  --white:       #FFFFFF;
  --dark-text:   #1A2E3B;
  --cyan-faded:  rgba(0, 224, 255, 0.12);
  --cyan-border: rgba(0, 224, 255, 0.25);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm:  0 1px 3px rgba(44,71,90,.08), 0 1px 2px rgba(44,71,90,.05);
  --shadow-md:  0 4px 16px rgba(44,71,90,.10), 0 2px 6px rgba(44,71,90,.06);
  --shadow-lg:  0 12px 40px rgba(44,71,90,.16), 0 4px 12px rgba(44,71,90,.08);

  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --transition: 0.2s ease;
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  color: var(--dark-text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

/* =============================================
   LAYOUT
   ============================================= */
.container {
  width: min(100%, 1140px);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}

.section {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.section-light    { background: var(--pearl); }
.section-dark     { background: var(--anthracite); color: var(--white); }
.section-anthracite { background: #1a2e3b; color: var(--white); }
.section-cta      { background: var(--anthracite); color: var(--white); }

/* =============================================
   TYPOGRAPHY
   ============================================= */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }

h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.75rem);
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  letter-spacing: -0.015em;
  margin-bottom: 1rem;
}

h3 { font-size: clamp(1.1rem, 2vw, 1.3rem); margin-bottom: 0.5rem; }

p { color: var(--slate); line-height: 1.7; }

.section-dark p,
.section-anthracite p,
.section-cta p { color: rgba(255,255,255,0.7); }

.section-sub {
  font-size: 1.15rem;
  max-width: 640px;
  margin-bottom: 3rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--cyan) 0%, #40efff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--anthracite);
  background: var(--cyan-faded);
  border: 1px solid var(--cyan-border);
  padding: 0.3em 0.9em;
  border-radius: 99px;
  margin-bottom: 1.25rem;
}
.section-label-cyan {
  color: var(--cyan);
  background: rgba(0,224,255,0.08);
  border-color: rgba(0,224,255,0.2);
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  font-family: var(--font);
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-sm  { font-size: 0.85rem; padding: 0.45em 1.1em; }
.btn-lg  { font-size: 1rem;    padding: 0.8em 1.8em; }
.btn-xl  { font-size: 1.1rem;  padding: 0.95em 2.4em; border-radius: var(--radius-lg); }

.btn-primary {
  background: var(--coral);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(255,107,53,.35);
}
.btn-primary:hover {
  background: #ff7a47;
  box-shadow: 0 6px 20px rgba(255,107,53,.45);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.35);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.6);
}

/* =============================================
   NAVIGATION
   ============================================= */
.nav-wrapper {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  background: rgba(26, 46, 59, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,224,255,0.1);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--white);
}
.logo-text--light { color: var(--white); opacity: 0.85; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-links a:not(.btn) {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  transition: color var(--transition);
}
.nav-links a:not(.btn):hover { color: var(--white); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* =============================================
   HERO
   ============================================= */
.hero {
  min-height: 100svh;
  background: linear-gradient(160deg, #0f1e28 0%, #1a2e3b 45%, #213849 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 68px;
  overflow: hidden;
  position: relative;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,224,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,224,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  text-align: center;
  padding-top: clamp(3rem, 8vw, 6rem);
  padding-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0,224,255,0.08);
  border: 1px solid rgba(0,224,255,0.2);
  color: var(--cyan);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4em 1em;
  border-radius: 99px;
  margin-bottom: 2rem;
  letter-spacing: 0.03em;
}

.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.65);
  max-width: 580px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 1.25rem;
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
}
.proof-divider { opacity: 0.3; }

/* Phone mockup */
.hero-visual {
  width: 100%;
  display: flex;
  justify-content: center;
  padding-bottom: clamp(2rem, 5vw, 4rem);
  position: relative;
  z-index: 1;
}

.phone-mockup {
  background: #1c2f3d;
  border: 1px solid rgba(0,224,255,0.15);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  width: min(440px, 92vw);
  box-shadow: 0 24px 64px rgba(0,0,0,.5), 0 0 0 1px rgba(0,224,255,0.08);
}

.phone-screen { display: flex; flex-direction: column; gap: 1rem; }

.chat-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.chat-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--anthracite), #3a6278);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  border: 1.5px solid var(--cyan-border);
}
.chat-header strong { color: var(--white); font-size: 0.95rem; display: block; }
.chat-online { font-size: 0.75rem; color: #4ade80; }

.chat-messages { display: flex; flex-direction: column; gap: 0.75rem; }

.msg {
  max-width: 85%;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  line-height: 1.5;
  position: relative;
}
.msg time {
  display: block;
  font-size: 0.7rem;
  margin-top: 0.3rem;
  opacity: 0.5;
  text-align: right;
}
.msg-out {
  align-self: flex-end;
  background: #2d6a8a;
  color: rgba(255,255,255,0.9);
  border-bottom-right-radius: var(--radius-sm);
}
.msg-in {
  align-self: flex-start;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.07);
  border-bottom-left-radius: var(--radius-sm);
}
.msg-in strong { color: var(--cyan); }
.msg-in em { color: rgba(0,224,255,0.7); text-decoration: underline; font-style: normal; }

/* =============================================
   PAIN CARDS
   ============================================= */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.pain-card {
  background: var(--white);
  border: 1px solid rgba(44,71,90,0.1);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.pain-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.pain-icon { font-size: 2rem; margin-bottom: 0.85rem; }
.pain-card h3 { color: var(--dark-text); margin-bottom: 0.5rem; }

/* =============================================
   SOLUTION STATS
   ============================================= */
.solution-highlight {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-top: 3.5rem;
  background: rgba(0,224,255,0.06);
  border: 1px solid rgba(0,224,255,0.15);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.highlight-stat {
  flex: 1;
  min-width: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem 1.5rem;
  gap: 0.4rem;
}
.stat-number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--cyan);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  text-align: center;
}
.highlight-divider {
  width: 1px;
  height: 80px;
  background: rgba(0,224,255,0.15);
  align-self: center;
}

/* =============================================
   FEATURES GRID
   ============================================= */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--white);
  border: 1px solid rgba(44,71,90,0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(0,224,255,0.35);
}
.feature-card--accent {
  border-color: rgba(0,224,255,0.3);
  background: linear-gradient(135deg, #f0fbff 0%, var(--white) 100%);
}
.feature-icon { font-size: 2.25rem; margin-bottom: 1rem; }
.feature-card h3 { color: var(--dark-text); font-size: 1.15rem; margin-bottom: 0.6rem; }

.feature-list {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.feature-list li {
  font-size: 0.875rem;
  color: var(--slate);
  padding-left: 1.25rem;
  position: relative;
}
.feature-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-size: 0.8rem;
}

/* =============================================
   POUR QUI — critères & personas élargis
   ============================================= */
.terrain-criteria {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 3rem;
  max-width: 560px;
}
.terrain-item {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  font-size: 1rem;
  color: var(--dark-text);
}
.terrain-check {
  color: var(--cyan);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
  filter: drop-shadow(0 0 4px rgba(0,224,255,0.4));
}

.personas-grid--wide {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* =============================================
   HOW IT WORKS
   ============================================= */
.steps {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  margin-top: 3.5rem;
}

.step {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 1.5rem;
}
.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--anthracite), #3a6278);
  border: 2px solid var(--cyan-border);
  color: var(--cyan);
  font-size: 1.4rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  box-shadow: 0 0 20px rgba(0,224,255,0.15);
}
.step-content h3 { color: var(--white); margin-bottom: 0.5rem; }

.step-arrow {
  font-size: 1.5rem;
  color: var(--cyan);
  opacity: 0.5;
  align-self: center;
  padding-bottom: 2.5rem;
  flex-shrink: 0;
}

/* =============================================
   PERSONAS
   ============================================= */
.personas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}
.persona-card {
  background: var(--white);
  border: 1px solid rgba(44,71,90,0.1);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.persona-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.persona-emoji { font-size: 2.5rem; margin-bottom: 1rem; }
.persona-card h3 { color: var(--dark-text); margin-bottom: 0.5rem; }

/* =============================================
   CTA SECTION
   ============================================= */
.cta-content {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
}
.cta-content h2 { color: var(--white); margin-bottom: 1rem; }
.cta-content .section-sub { margin-inline: auto; }

.cta-note {
  margin-top: 1rem;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}
.cta-contact {
  margin-top: 2rem;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
}
.cta-contact a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* =============================================
   SIGNATURE SECTION
   ============================================= */
.section-signature {
  background: #0f1e28;
  color: var(--white);
}
.section-signature p { color: rgba(255,255,255,0.65); }
.section-signature h2 { color: var(--white); }

.sig-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

/* Left: text + benefits */
.sig-text { display: flex; flex-direction: column; gap: 1.5rem; }
.sig-text p { font-size: 1.05rem; line-height: 1.75; }

.sig-benefits {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  list-style: none;
  margin-top: 0.5rem;
}
.sig-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.sig-benefit-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}
.sig-benefits li div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.sig-benefits li strong {
  color: var(--white);
  font-size: 0.95rem;
}
.sig-benefits li span {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* Right: vertical flow */
.sig-visual {
  background: rgba(0,224,255,0.04);
  border: 1px solid rgba(0,224,255,0.12);
  border-radius: var(--radius-xl);
  padding: 2rem 1.75rem;
}

.sig-flow-vertical {
  display: flex;
  flex-direction: column;
}

.sig-step-v {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.sig-step-dot {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  border: 1.5px solid rgba(0,224,255,0.2);
  background: rgba(44,71,90,0.6);
}
.sig-step-dot--done    { border-color: rgba(0,224,255,0.35); background: rgba(0,224,255,0.08); }
.sig-step-dot--client  { border-color: rgba(255,107,53,0.4); background: rgba(255,107,53,0.08); }
.sig-step-dot--success { border-color: rgba(74,222,128,0.4); background: rgba(74,222,128,0.08); }

.sig-step-body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-top: 0.6rem;
}
.sig-step-body strong {
  color: var(--white);
  font-size: 0.9rem;
  line-height: 1.3;
}
.sig-step-body > span {
  color: rgba(255,255,255,0.45);
  font-size: 0.8rem;
}

.sig-connector {
  width: 1.5px;
  height: 28px;
  background: linear-gradient(to bottom, rgba(0,224,255,0.25), rgba(0,224,255,0.08));
  margin-left: 21px;
  margin-block: 6px;
}

.sig-step-v--final .sig-step-body { padding-top: 0.5rem; }

.sig-notif {
  display: inline-block;
  background: rgba(0,224,255,0.08);
  border: 1px solid rgba(0,224,255,0.18);
  border-radius: var(--radius-sm);
  padding: 0.35em 0.75em;
  font-size: 0.78rem;
  color: var(--cyan) !important;
  margin-top: 0.4rem;
  font-family: monospace;
  letter-spacing: 0.01em;
}

/* "Bientôt" tag inline dans les feature-list */
.tag-soon {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--coral);
  background: rgba(255,107,53,0.1);
  border: 1px solid rgba(255,107,53,0.25);
  padding: 0.1em 0.55em;
  border-radius: 99px;
  vertical-align: middle;
  margin-left: 0.3em;
}

/* Learning badge on catalogue card */
.feature-card--learning {
  border-color: rgba(0,224,255,0.2);
  background: linear-gradient(135deg, #f0fbff 0%, var(--white) 60%);
}

.learning-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1.25rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--anthracite);
  background: rgba(0,224,255,0.1);
  border: 1px solid rgba(0,224,255,0.25);
  padding: 0.3em 0.85em;
  border-radius: 99px;
}
.learning-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse 2s infinite;
}

/* Responsive signature layout */
@media (max-width: 860px) {
  .sig-layout {
    grid-template-columns: 1fr;
  }
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: #0f1e28;
  border-top: 1px solid rgba(0,224,255,0.08);
  color: rgba(255,255,255,0.5);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 2.5rem;
}
.footer-tagline {
  font-size: 0.85rem;
  margin-top: 0.4rem;
  color: rgba(255,255,255,0.4);
}
.footer-links a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.footer-links a:hover { color: var(--cyan); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  text-align: center;
  padding-block: 1.25rem;
  font-size: 0.8rem;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    inset: 68px 0 0 0;
    background: rgba(15,30,40,0.97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 2rem;
  }
  .nav-links.nav-links--open { display: flex; }
  .nav-links a:not(.btn) { font-size: 1.2rem; color: var(--white); }
  .nav-toggle { display: flex; }

  .highlight-divider { width: 80%; height: 1px; }

  .steps { flex-direction: column; align-items: center; }
  .step { max-width: 100%; }
  .step-arrow { transform: rotate(90deg); padding: 0.75rem 0; }

  .hero-cta { flex-direction: column; align-items: center; }
  .btn-lg { width: 100%; max-width: 320px; }
}

@media (max-width: 480px) {
  .solution-highlight { flex-direction: column; }
  .highlight-divider { width: 60%; height: 1px; }
}

/* =============================================
   SCROLL ANIMATIONS (réduit si préférence)
   ============================================= */
@media (prefers-reduced-motion: no-preference) {
  .pain-card,
  .feature-card,
  .persona-card,
  .step {
    opacity: 0;
    transform: translateY(24px);
    animation: fadeUp 0.5s ease forwards;
  }
  .pain-card:nth-child(1)    { animation-delay: 0.05s; }
  .pain-card:nth-child(2)    { animation-delay: 0.12s; }
  .pain-card:nth-child(3)    { animation-delay: 0.19s; }
  .pain-card:nth-child(4)    { animation-delay: 0.26s; }
  .feature-card:nth-child(1) { animation-delay: 0.05s; }
  .feature-card:nth-child(2) { animation-delay: 0.10s; }
  .feature-card:nth-child(3) { animation-delay: 0.15s; }
  .feature-card:nth-child(4) { animation-delay: 0.20s; }
  .feature-card:nth-child(5) { animation-delay: 0.25s; }
  .feature-card:nth-child(6) { animation-delay: 0.30s; }
  .step:nth-child(1)         { animation-delay: 0.05s; }
  .step:nth-child(3)         { animation-delay: 0.15s; }
  .step:nth-child(5)         { animation-delay: 0.25s; }

  @keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
  }
}