:root {
  --text: #101826;
  --muted: #59657a;
  --accent: #1d4ed8;
  --accent-dark: #1e40af;
  --line: rgba(124, 139, 163, 0.32);
  --shadow: 0 24px 44px rgba(15, 23, 42, 0.13);
  --shadow-soft: 0 12px 30px rgba(15, 23, 42, 0.09);
  --header-offset: 90px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-offset);
  background: linear-gradient(180deg, #f5f8ff 0%, #ecf2ff 55%, #edf5ff 100%);
}

section[id] {
  scroll-margin-top: calc(var(--header-offset) + 14px);
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  color: var(--text);
  background: transparent;
  line-height: 1.55;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  left: 0.8rem;
  top: -40px;
  z-index: 200;
  padding: 0.5rem 0.7rem;
  border-radius: 10px;
  background: #0f172a;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

.skip-link:focus {
  top: 0.8rem;
}

.ambient-bg,
.ambient-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  will-change: transform, opacity;
  transform: translateZ(0);
}

.ambient-bg {
  background: radial-gradient(circle at 12% 14%, rgba(29, 78, 216, 0.42) 0%, transparent 40%),
    radial-gradient(circle at 86% 18%, rgba(14, 165, 233, 0.38) 0%, transparent 40%),
    radial-gradient(circle at 50% 88%, rgba(99, 102, 241, 0.34) 0%, transparent 40%);
  background-size: 130% 130%;
  filter: blur(4px) saturate(120%);
  animation: bgWave 14s ease-in-out infinite alternate;
}

.ambient-glow {
  background: radial-gradient(circle at 26% 72%, rgba(255, 255, 255, 0.95) 0%, transparent 40%),
    radial-gradient(circle at 74% 30%, rgba(167, 213, 255, 0.68) 0%, transparent 48%);
  background-size: 140% 140%;
  opacity: 1;
  filter: blur(2px);
  animation: glowWave 11s ease-in-out infinite alternate;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
  background: rgba(245, 248, 252, 0.62);
  border-bottom: 1px solid rgba(132, 145, 166, 0.18);
}

.nav {
  min-height: 86px;
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  white-space: nowrap;
}

.logo img {
  display: block;
  width: 65px;
  max-width: 100%;
  height: auto;
}

.menu-toggle {
  display: none;
  align-items: center;
  gap: 0.48rem;
  border: 1px solid rgba(120, 137, 160, 0.45);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: #1f2a3d;
  padding: 0.45rem 0.72rem;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
}

.menu-toggle-lines,
.menu-toggle-lines::before,
.menu-toggle-lines::after {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: #24334d;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle-lines {
  position: relative;
}

.menu-toggle-lines::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
}

.menu-toggle-lines::after {
  content: "";
  position: absolute;
  top: 5px;
  left: 0;
}

.nav.is-open .menu-toggle-lines {
  transform: rotate(45deg);
}

.nav.is-open .menu-toggle-lines::before {
  opacity: 0;
}

.nav.is-open .menu-toggle-lines::after {
  transform: rotate(-90deg) translate(5px, 0);
}

.menu {
  list-style: none;
  display: flex;
  gap: 0.5rem;
  margin: 0 auto 0 2rem;
  padding: 0;
}

.menu-mobile-only {
  display: none;
}

.menu a {
  text-decoration: none;
  color: #2f3d53;
  padding: 0.62rem 0.9rem;
  font-size: 1rem;
  border-radius: 999px;
  transition: background-color 0.2s ease;
}

.menu a:hover,
.menu a.active {
  background: rgba(29, 78, 216, 0.12);
  color: #1d3f9f;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: 0.2s ease;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-phone {
  margin-left: auto;
  background: #0f172a;
  color: #fff;
  border-color: #0f172a;
  gap: 0.5rem;
}

.btn-phone-icon {
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}

.btn-phone-icon svg {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
  display: block;
}

.btn-primary {
  background: linear-gradient(120deg, #1d4ed8 0%, #2563eb 100%);
  background-size: 180% 180%;
  background-position: 0% 50%;
  color: #fff;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.25s ease, background-position 0.35s ease;
}

.btn-primary:hover {
  background-position: 100% 50%;
  box-shadow: 0 26px 46px rgba(15, 23, 42, 0.18);
}

.btn-secondary {
  border-color: rgba(107, 122, 149, 0.38);
  color: var(--text);
  background: rgba(255, 255, 255, 0.62);
}

.hero {
  padding: 4.6rem 0 3.3rem;
}

.eyebrow {
  color: #2047b2;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 3.9vw, 3.6rem);
  margin: 0.8rem 0 0.6rem;
  max-width: 980px;
}

h1 span {
  color: #1d4ed8;
}

.hero-text {
  max-width: 780px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.14rem);
}

.sales-strip {
  margin-top: 0.9rem;
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.sales-strip span {
  padding: 0.36rem 0.68rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid #cfdaec;
  font-size: 0.86rem;
  font-weight: 700;
  color: #2e4165;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.2rem;
}

.section {
  padding: 3.1rem 0;
}

body.is-scrolling .ambient-bg,
body.is-scrolling .ambient-glow {
  animation-play-state: paused;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.45rem);
}

.grid {
  display: grid;
  gap: 1rem;
}

.services-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}

.card {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.05rem;
  box-shadow: var(--shadow-soft);
}

.services-grid .card {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  column-gap: 0.65rem;
  row-gap: 0.45rem;
}

.services-grid .card .service-icon {
  width: 2.35rem;
  height: 2.35rem;
  margin: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  line-height: 1;
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.card h3 {
  margin-bottom: 0.45rem;
  font-size: 1.04rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.services-grid .card > p:not(.service-icon) {
  grid-column: 1 / -1;
}

.services-grid .card h3 {
  margin: 0;
}

.section-intro p {
  color: var(--muted);
  max-width: 860px;
}

.projects-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cases-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-card p + p {
  margin-top: 0.5rem;
}

.faq-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.faq-card h3 {
  margin-bottom: 0.45rem;
}

.cases-source {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.cases-source a {
  color: #1e40af;
}

.project-card {
  background: #dfe5f2;
  border: 1px solid #d7def0;
  border-radius: 20px;
  padding: 1rem;
  box-shadow: 0 10px 20px rgba(28, 43, 73, 0.06);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

/* Improve initial render cost on long pages with many rich cards */
.project-card,
.case-card,
.faq-card {
  content-visibility: auto;
  contain-intrinsic-size: 260px;
}

.project-card h3 {
  order: 1;
  margin: 0;
  color: #2f4384;
  text-align: center;
  font-size: clamp(1.02rem, 1.35vw, 1.22rem);
  letter-spacing: -0.01em;
}

.mockup-3d {
  order: 2;
  aspect-ratio: 43 / 32;
  height: auto;
  border-radius: 19px;
  border: 1px solid #d7e0f2;
  margin-bottom: 0.8rem;
  overflow: hidden;
  background: #f8fafe;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.86), 0 12px 24px rgba(40, 67, 126, 0.1);
}

.mockup-3d img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

#projets {
  padding-top: 2.4rem;
}

#projets .section-intro {
  margin-bottom: 0.6rem;
}

#projets .section-intro h2 {
  color: #2f4384;
}

#projets .projects-grid {
  gap: 1.2rem;
}

#projets .project-card {
  background: #FFF;
  border: 1px solid #d2d9eb;
  box-shadow: none;
  padding: 1rem;
}

#projets .project-card h3 {
  margin-bottom: 0.2rem;
  color: #334b90;
  font-weight: 700;
}

#projets .mockup-3d {
  background: #f6f8fc;
  border-color: #d7e0f2;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.86), 0 8px 18px rgba(90, 117, 179, 0.12);
}

.band {
  background: linear-gradient(122deg, #132a55 0%, #1f4db8 100%);
  color: #ecf4ff;
}

.method-head p {
  color: rgba(236, 244, 255, 0.84);
}

.steps-flow {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: auto 20px auto 20px auto 20px auto 20px auto;
  align-items: center;
  gap: 0.55rem;
}

.step-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 15px;
  padding: 0.8rem;
  opacity: 0;
  transform: translateY(10px);
  animation: stepRise 0.55s ease forwards;
}

.step-card:nth-child(1) { animation-delay: 0.12s; }
.step-card:nth-child(3) { animation-delay: 0.26s; }
.step-card:nth-child(5) { animation-delay: 0.4s; }
.step-card:nth-child(7) { animation-delay: 0.54s; }
.step-card:nth-child(9) { animation-delay: 0.68s; }

.step-card span {
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.24);
  font-weight: 700;
  margin-bottom: 0.55rem;
}

.step-card h3 {
  margin: 0 0 0.3rem;
  font-size: 1.01rem;
}

.step-card p {
  margin: 0;
  color: rgba(236, 244, 255, 0.84);
  font-size: 0.85rem;
}

.step-arrow {
  text-align: center;
  font-weight: 700;
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.84);
}

.contact-zone {
  text-align: center;
}

.contact-lead {
  margin: -0.2rem auto 1.1rem;
  max-width: 680px;
  color: var(--muted);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1rem;
  align-items: start;
}

.contact-form,
.contact-seo {
  text-align: left;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid #dce4f2;
  border-radius: 18px;
  padding: 1rem;
  box-shadow: var(--shadow-soft);
}

.contact-form {
  display: grid;
  gap: 0.68rem;
}

.contact-form button[type="submit"] {
  font-size: 1.08rem;
  padding: 0.88rem 1.28rem;
}

.contact-form label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.92rem;
  color: #334155;
}

.contact-form input,
.contact-form textarea {
  border: 1px solid #cfdaeb;
  border-radius: 12px;
  padding: 0.68rem 0.72rem;
  font: inherit;
  background: #fff;
}

.contact-form textarea {
  resize: vertical;
}

.captcha-wrap {
  border: 1px dashed #bfcfe9;
  border-radius: 12px;
  padding: 0.65rem;
  background: #f8fbff;
}

.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
}

.form-error {
  margin: 0.35rem 0 0;
  color: #b42318;
  font-size: 0.86rem;
}

.form-status {
  margin: 0.45rem 0 0;
  padding: 0.62rem 0.72rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
}

.form-status.is-success {
  background: #ecfdf3;
  border: 1px solid #abefc6;
  color: #067647;
}

.form-status.is-error {
  background: #fef3f2;
  border: 1px solid #fecdca;
  color: #b42318;
}

.contact-seo {
  background: linear-gradient(165deg, #f6f9ff 0%, #eef4ff 100%);
}

.contact-seo h3 {
  margin: 0.2rem 0 0.45rem;
  font-size: 1.16rem;
}

.contact-seo p {
  margin: 0 0 0.65rem;
  color: var(--muted);
}

.contact-phone-strong {
  font-weight: 800;
  color: #1f3d88;
}

.contact-phone-strong a {
  color: #1f3d88;
  text-decoration: none;
}

.contact-benefits {
  margin: 0 0 0.8rem;
  padding-left: 1.1rem;
  color: #334b75;
  font-weight: 600;
}

.plane-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: inline-grid;
  place-items: center;
  background: #e8f0ff;
}

.plane-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: #2752b5;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.footer {
  padding: 1.6rem 0 2.2rem;
}

.footer-wrap {
  border-top: 1px solid rgba(84, 96, 108, 0.2);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1.2rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-wrap address {
  font-style: normal;
}

.cookie-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.8rem;
  border-radius: 14px;
  border: 1px solid #cfe0fa;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-soft);
}

.cookie-banner.show {
  display: flex;
}

.cookie-banner p {
  margin: 0;
  color: #334155;
  font-size: 0.9rem;
}

.cookie-actions {
  display: flex;
  gap: 0.5rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes bgWave {
  0% {
    background-position: 0% 45%;
    transform: translate3d(-1.2%, -0.8%, 0) scale(1);
  }
  50% {
    background-position: 55% 50%;
    transform: translate3d(1.4%, 1.2%, 0) scale(1.03);
  }
  100% {
    background-position: 100% 45%;
    transform: translate3d(-0.6%, 0.8%, 0) scale(1.01);
  }
}

@keyframes glowWave {
  0% {
    background-position: 12% 58%;
    opacity: 0.82;
  }
  50% {
    background-position: 62% 42%;
    opacity: 1;
  }
  100% {
    background-position: 18% 64%;
    opacity: 0.86;
  }
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 1120px) {
  .services-grid,
  .projects-grid,
  .cases-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.7rem;
  }

  .step-arrow {
    display: none;
  }
}

@media (max-width: 900px) {
  .nav {
    flex-wrap: nowrap;
    padding: 0.72rem 0;
    min-height: 66px;
    position: relative;
  }

  .menu {
    order: 3;
    width: 100%;
    margin: 0;
    justify-content: center;
    flex-wrap: wrap;
  }

  .menu-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .btn-phone {
    display: none;
  }

  .menu-mobile-only {
    display: list-item;
  }

  .js .menu {
    display: none;
    position: absolute;
    top: calc(100% + 0.35rem);
    left: 0;
    right: 0;
    z-index: 20;
    padding: 0.65rem;
    border-radius: 14px;
    border: 1px solid rgba(129, 145, 168, 0.38);
    background: rgba(250, 252, 255, 0.98);
    box-shadow: 0 15px 30px rgba(15, 23, 42, 0.16);
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
  }

  .js .nav.is-open .menu {
    display: flex;
  }

  .js .menu a {
    display: block;
    border-radius: 10px;
    padding: 0.62rem 0.74rem;
  }

  .services-grid,
  .projects-grid,
  .cases-grid,
  .faq-grid,
  .steps-flow,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .logo img {
    width: 65px;
  }

  .hero {
    padding-top: 3.6rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
}