/* ===== Reset & base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }

/* ===== Tokens ===== */
:root {
  --bg: #f7f9fc;
  --bg-alt: #ffffff;
  --ink: #0b1530;
  --ink-2: #1f2a4a;
  --muted: #5b6786;
  --line: #e6eaf2;
  --line-2: #eef1f7;

  --primary: #6234b4;          /* violet principal */
  --primary-2: #7a45d4;
  --primary-3: #3f1f7a;
  --accent: #f5b301;            /* jaune or */
  --accent-2: #d4a017;          /* or foncé */

  --shadow-sm: 0 1px 2px rgba(15,23,42,.04), 0 1px 3px rgba(15,23,42,.04);
  --shadow-md: 0 6px 16px rgba(15,23,42,.06), 0 2px 6px rgba(15,23,42,.04);
  --shadow-lg: 0 24px 48px -12px rgba(15,23,42,.18);

  --radius: 14px;
  --radius-lg: 22px;
  --container: 1200px;

  --t: 220ms cubic-bezier(.4,.0,.2,1);
}

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  transition: transform var(--t), box-shadow var(--t), background var(--t), color var(--t);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn--sm { padding: 10px 18px; font-size: 14px; }
.btn--lg { padding: 16px 28px; font-size: 16px; }
.btn--primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 24px -8px rgba(98,52,180,.5);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px -8px rgba(98,52,180,.6); background: var(--primary-2); }
.btn--ghost {
  background: rgba(255,255,255,.08);
  color: #fff;
  border: 1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover { background: rgba(255,255,255,.16); transform: translateY(-2px); }

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247,249,252,.75);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t), background var(--t);
}
.header.is-scrolled {
  background: rgba(255,255,255,.85);
  border-bottom-color: var(--line);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.logo__img {
  height: 38px;
  width: auto;
  display: block;
}
.logo__img--footer { height: 32px; filter: brightness(0) invert(1); opacity: .9; }
.logo__mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  box-shadow: 0 6px 14px -4px rgba(98,52,180,.45);
}
.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__link {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--muted);
  position: relative;
  transition: color var(--t);
}
.nav__link:hover { color: var(--ink); }
.nav__link::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t);
}
.nav__link:hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  width: 22px; height: 2px; background: var(--ink); border-radius: 2px;
  transition: transform var(--t), opacity var(--t);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 16px;
  padding: 20px 24px 28px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.mobile-menu.is-open { display: flex; }
.mobile-menu .nav__link { font-size: 16px; }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  pointer-events: none;
  z-index: 0;
}
.grid-pattern {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(98,52,180,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(98,52,180,.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at top, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at top, #000 30%, transparent 75%);
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .55;
}
.blob--1 {
  width: 480px; height: 480px;
  background: var(--accent);
  top: -120px; left: -120px;
  opacity: .12;
}
.blob--2 {
  width: 520px; height: 520px;
  background: var(--accent-2);
  top: 60px; right: -180px;
  opacity: .08;
}
.hero__inner { position: relative; z-index: 1; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--primary);
  background: rgba(98,52,180,.08);
  border: 1px solid rgba(98,52,180,.12);
  border-radius: 999px;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(245,179,1,.18);
  animation: pulse 1.8s ease-in-out infinite;
}
.eyebrow--light {
  color: var(--primary);
  background: #fff;
  border-color: var(--line);
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: .7; }
}

.hero__intro { max-width: 820px; margin-bottom: 56px; }
.hero__title {
  font-size: clamp(36px, 5.5vw, 60px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--ink);
  margin: 20px 0 22px;
}
.gradient-text { color: var(--primary); }
.gradient-text-light { color: var(--accent); }
.hero__subtitle {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--muted);
  max-width: 640px;
  margin: 0;
}

/* ===== Cards (SaaS) ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
  overflow: hidden;
  isolation: isolate;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(245,179,1,.05);
  opacity: 0;
  transition: opacity var(--t);
  z-index: -1;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(98,52,180,.18);
}
.card:hover::before { opacity: 1; }

.card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.card__icon {
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  border-radius: 12px;
  color: #fff;
  background: var(--primary);
  box-shadow: 0 8px 18px -8px rgba(98,52,180,.5);
}
.card__icon svg { width: 22px; height: 22px; }
.card__logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 8px 18px -8px rgba(98,52,180,.5);
}
.card__icon[data-icon="hr"]     { background: var(--accent); }
.card__icon[data-icon="school"] { background: var(--accent-2); }
.card__icon[data-icon="erp"]    { background: var(--primary-3); }
.card__icon[data-icon="qrla"]   { background: var(--primary); }
.card__icon[data-icon="yima"]   { background: var(--accent); color: #3f1f7a; }

.badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 999px;
}
.badge--saas   { background: rgba(98,52,180,.08);  color: var(--primary); }
.badge--web    { background: rgba(245,179,1,.12);  color: #0891b2; }
.badge--mobile { background: rgba(139,92,246,.12); color: #7c3aed; }

.card__title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
}
.card__desc {
  font-size: 14.5px;
  color: var(--muted);
  margin: 0;
  flex-grow: 1;
}
.card__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 14px;
  color: var(--primary);
  margin-top: 6px;
  transition: gap var(--t);
}
.card__cta svg { width: 16px; height: 16px; transition: transform var(--t); }
.card:hover .card__cta { gap: 10px; }
.card:hover .card__cta svg { transform: translateX(2px); }

.card--disabled {
  position: relative;
  pointer-events: none;
  opacity: .7;
}
.card--disabled:hover { transform: none; box-shadow: var(--shadow-sm); }
.card--disabled .card__cta { opacity: .5; }
.card__overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(15,23,42,.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: var(--radius-lg);
  z-index: 2;
}
.card__overlay-text {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #fff;
  padding: 8px 16px;
  background: var(--primary);
  border-radius: 999px;
  box-shadow: 0 8px 20px -6px rgba(98,52,180,.6);
}

/* ===== Portfolio ===== */
.portfolio {
  padding: 100px 0;
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-head {
  text-align: center;
  margin-bottom: 56px;
}
.section-title {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin: 18px 0 12px;
}
.section-sub {
  font-size: 17px;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto;
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.project {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
  isolation: isolate;
}
.project::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 360ms cubic-bezier(.4,.0,.2,1);
}
.project:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(98,52,180,.18);
}
.project:hover::before { transform: scaleX(1); }
.project:nth-child(3n+2)::before { background: var(--accent); }
.project:nth-child(3n+3)::before { background: var(--primary-3); }
.project__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: gap var(--t);
}
.project__cta svg { width: 16px; height: 16px; transition: transform var(--t); }
.project:hover .project__cta { gap: 10px; }
.project:hover .project__cta svg { transform: translate(2px, -2px); }
.project__media {
  aspect-ratio: 16 / 10;
  background: #eef2fb;
  position: relative;
  overflow: hidden;
}
.project:hover .mock { transform: scale(1.04); }
.mock {
  position: absolute;
  inset: 18px;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 10px 30px -10px rgba(98,52,180,.3);
  transition: transform 500ms cubic-bezier(.4,.0,.2,1);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
}
/* Mock ERP */
.mock--erp .mock__bar { height: 8px; width: 50%; background: var(--primary); border-radius: 4px; }
.mock--erp .mock__row { display: flex; gap: 6px; }
.mock--erp .mock__row span { flex: 1; height: 30px; background: var(--line-2); border-radius: 6px; }
.mock--erp .mock__row span:first-child { background: var(--accent); }
.mock--erp .mock__chart { display: flex; align-items: flex-end; gap: 6px; height: 60px; }
.mock--erp .mock__chart div { flex: 1; background: var(--primary); border-radius: 4px 4px 0 0; }
.mock--erp .mock__chart div:nth-child(even) { background: var(--accent); }
.mock--erp .mock__chart div:nth-child(1) { height: 40%; }
.mock--erp .mock__chart div:nth-child(2) { height: 70%; }
.mock--erp .mock__chart div:nth-child(3) { height: 55%; }
.mock--erp .mock__chart div:nth-child(4) { height: 90%; }
.mock--erp .mock__chart div:nth-child(5) { height: 65%; }

/* Mock Bio */
.mock--bio { align-items: center; justify-content: center; }
.mock--bio .mock__finger {
  width: 70px; height: 90px;
  border-radius: 35px 35px 30px 30px;
  border: 3px solid var(--primary);
  position: relative;
}
.mock--bio .mock__finger::before, .mock--bio .mock__finger::after {
  content: ''; position: absolute; left: 12px; right: 12px;
  border-top: 2px solid var(--accent); border-radius: 50%; height: 14px;
}
.mock--bio .mock__finger::before { top: 14px; }
.mock--bio .mock__finger::after  { top: 32px; }
.mock--bio .mock__pulse {
  width: 110px; height: 110px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  position: absolute;
  animation: pulseRing 2s ease-out infinite;
  opacity: .5;
}
@keyframes pulseRing {
  0% { transform: scale(.7); opacity: .7; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* Mock Pay */
.mock--pay { justify-content: center; align-items: center; gap: 0; }
.mock--pay .mock__card {
  width: 75%; height: 80px;
  background: var(--primary);
  border-radius: 10px;
  position: relative;
  box-shadow: 0 14px 26px -10px rgba(98,52,180,.5);
}
.mock--pay .mock__card::after {
  content: ''; position: absolute; bottom: 14px; left: 14px;
  width: 36px; height: 24px; border-radius: 4px;
  background: #f59e0b;
}
.mock--pay .mock__card--2 {
  width: 75%; height: 80px;
  background: var(--accent);
  margin-top: -50px;
  margin-left: 30px;
  transform: rotate(-4deg);
}

/* Mock Dashboard */
.mock--dash { flex-direction: row; padding: 8px; gap: 8px; }
.mock--dash .mock__sidebar {
  width: 28%;
  background: var(--primary);
  border-radius: 6px;
}
.mock--dash .mock__content { flex: 1; display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: auto 1fr; gap: 6px; }
.mock--dash .mock__kpi { background: var(--line-2); border-radius: 6px; height: 28px; }
.mock--dash .mock__kpi:first-child { background: var(--accent); }
.mock--dash .mock__graph { grid-column: 1 / -1; background: #eef2fb; border-radius: 6px; position: relative; overflow: hidden; }
.mock--dash .mock__graph::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 60%;
  background: rgba(98,52,180,.2);
  clip-path: polygon(0 60%, 15% 40%, 30% 55%, 50% 25%, 70% 45%, 85% 20%, 100% 35%, 100% 100%, 0 100%);
}

.project__body {
  padding: 22px 24px 26px;
}
.project__title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 6px;
}
.project__desc {
  font-size: 14.5px;
  color: var(--muted);
  margin: 0 0 14px;
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tag {
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-2);
}

/* ===== Contact ===== */
.contact {
  position: relative;
  padding: 110px 0;
  background: var(--primary-3);
  color: #fff;
  overflow: hidden;
  text-align: center;
}
.contact__bg { position: absolute; inset: 0; pointer-events: none; }
.blob--c1 {
  width: 600px; height: 600px;
  background: var(--accent);
  top: -200px; left: -200px;
  opacity: .12;
}
.blob--c2 {
  width: 600px; height: 600px;
  background: var(--accent-2);
  bottom: -200px; right: -200px;
  opacity: .1;
}
.contact__inner { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; }
.contact__title {
  font-size: clamp(32px, 4.5vw, 50px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 18px;
}
.contact__sub {
  font-size: 17px;
  color: rgba(255,255,255,.78);
  margin: 0 auto 36px;
  max-width: 580px;
}
.contact__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-bottom: 40px;
}
.contact__info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px;
}
.contact__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  color: rgba(255,255,255,.78);
  transition: color var(--t);
}
.contact__item svg { width: 18px; height: 18px; opacity: .7; }
.contact__item:hover { color: #fff; }

/* ===== Footer ===== */
.footer {
  padding: 36px 0;
  background: #050c22;
  color: rgba(255,255,255,.6);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
}
.footer__slogan {
  font-weight: 400;
  font-size: 14px;
  color: rgba(255,255,255,.6);
  margin-left: 8px;
}
.footer__copy { margin: 0; font-size: 13.5px; }

/* ===== Reveal animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .nav, .header .btn--primary { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: 56px 0 80px; }
  .portfolio { padding: 72px 0; }
  .contact { padding: 80px 0; }
  .section-head { margin-bottom: 40px; }
}
@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .header__inner { height: 64px; }
  .card { padding: 22px; }
  .contact__info { flex-direction: column; gap: 14px; }
  .footer__inner { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}