:root {
  --primary: #ff7900;
  --primary-dark: #e06a00;
  --secondary: #009e60;
  --secondary-dark: #007a4a;
  --dark: #0b1220;
  --dark-soft: #151d2e;
  --gray: #64748b;
  --gray-light: #94a3b8;
  --light: #f8fafc;
  --white: #ffffff;
  --gradient: linear-gradient(135deg, #ff7900 0%, #009e60 100%);
  --shadow: 0 10px 40px rgba(11, 18, 32, 0.12);
  --radius: 16px;
  --font: "DM Sans", system-ui, sans-serif;
  --font-display: "Outfit", system-ui, sans-serif;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

body {
  font-family: var(--font);
  color: var(--dark);
  background: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  width: min(1140px, 92%);
  margin: 0 auto;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(11, 18, 32, 0.06);
  transition: box-shadow 0.3s;
}

.header.scrolled {
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--dark);
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  color: white;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
}

.logo-text strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.2;
}

.logo-text span {
  font-size: 0.72rem;
  color: var(--gray);
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav ul {
  display: flex;
  list-style: none;
  gap: 1.75rem;
}

.nav a {
  text-decoration: none;
  color: var(--dark-soft);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: 0 8px 24px rgba(255, 121, 0, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 121, 0, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--dark);
  border: 2px solid rgba(11, 18, 32, 0.12);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark);
  cursor: pointer;
}

/* Header sur hero sombre */
.header.at-hero {
  background: rgba(11, 18, 32, 0.4);
  backdrop-filter: blur(16px);
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

.header.at-hero .logo-text strong,
.header.at-hero .nav a:not(.btn-primary),
.header.at-hero .menu-toggle {
  color: white;
}

.header.at-hero .logo-text span {
  color: rgba(255, 255, 255, 0.65);
}

.header.at-hero.scrolled {
  background: rgba(255, 255, 255, 0.95);
}

.header.at-hero.scrolled .logo-text strong,
.header.at-hero.scrolled .nav a:not(.btn-primary),
.header.at-hero.scrolled .menu-toggle {
  color: var(--dark);
}

.header.at-hero.scrolled .logo-text span {
  color: var(--gray);
}

.btn-outline-light {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.35);
}

.btn-outline-light:hover {
  border-color: white;
  background: rgba(255, 255, 255, 0.08);
  color: white;
}

.header.at-hero.scrolled .btn-outline-light {
  color: var(--dark);
  border-color: rgba(11, 18, 32, 0.15);
}

.header.at-hero.scrolled .btn-outline-light:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: transparent;
}

/* Hero premium */
.hero-premium {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 5.75rem 0 0;
  position: relative;
  overflow: hidden;
  background: var(--dark);
  color: white;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black, transparent);
}

.hero-bg-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.35;
  transition: background 0.8s ease;
}

.hero-bg-glow-1 {
  top: -10%;
  right: 10%;
  background: #ff7900;
}

.hero-bg-glow-2 {
  bottom: 0;
  left: -5%;
  background: #009e60;
}

.hero-premium-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
  padding-bottom: 2rem;
}

.hero-premium-grid.hero-centered {
  grid-template-columns: 1fr;
  max-width: 760px;
  margin: auto;
  text-align: center;
  padding: 2.5rem 0 1.5rem;
  flex-shrink: 0;
  width: 100%;
}

.hero-premium .hero-content[data-animate] {
  opacity: 1;
  transform: none;
}

.hero-centered .hero-lead {
  max-width: none;
  margin-left: auto;
  margin-right: auto;
}

.hero-centered .hero-actions,
.hero-centered .hero-stats {
  justify-content: center;
}

.hero-centered .hero-badge {
  margin-left: auto;
  margin-right: auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #7dd3a8;
  margin-bottom: 1.25rem;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--secondary);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-premium h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  line-height: 1.1;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-premium h1 .highlight {
  background: linear-gradient(90deg, #ff7900, #ffb347, #009e60);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lead {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.72);
  max-width: 520px;
  margin-bottom: 1.75rem;
  line-height: 1.7;
}

.expertise-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.expertise-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.9);
}

.expertise-pill i {
  color: var(--primary);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: white;
}

.stat span {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
}

/* Showcase apps */
.hero-showcase {
  position: relative;
}

.showcase-device {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 28px;
  padding: 1.25rem;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(20px);
}

.showcase-screen {
  position: relative;
  min-height: 340px;
  border-radius: 20px;
  overflow: hidden;
}

.showcase-slide {
  position: absolute;
  inset: 0;
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  opacity: 0;
  transform: translateX(24px) scale(0.98);
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: none;
}

.showcase-slide.active {
  opacity: 1;
  transform: translateX(0) scale(1);
  pointer-events: auto;
}

.showcase-slide-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.showcase-slide-content {
  position: relative;
  z-index: 1;
}

.showcase-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 1.75rem;
  color: white;
  margin-bottom: 1.25rem;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.showcase-category {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 0.35rem;
}

.showcase-slide h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.showcase-slide p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 320px;
  margin-bottom: 1rem;
}

.showcase-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  transition: gap 0.2s;
}

.showcase-link:hover {
  gap: 0.65rem;
}

.showcase-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

.showcase-tab {
  flex: 1 1 calc(25% - 0.4rem);
  min-width: 72px;
  padding: 0.55rem 0.35rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.68rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
  text-align: center;
  line-height: 1.2;
}

.showcase-tab:hover {
  border-color: rgba(255, 121, 0, 0.5);
  color: white;
}

.showcase-tab.active {
  background: rgba(255, 121, 0, 0.2);
  border-color: var(--primary);
  color: white;
}

.showcase-progress {
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  margin-top: 0.75rem;
  overflow: hidden;
}

.showcase-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--gradient);
  border-radius: 999px;
  transition: width 0.1s linear;
}

/* Bande apps défilante */
.hero-app-strip {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 0;
  overflow: hidden;
}

.hero-app-strip-label {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 1rem;
}

.app-marquee-wrap {
  overflow: hidden;
  min-height: 3.25rem;
}

.app-marquee {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 2rem;
  min-height: 3.25rem;
  animation: marquee 35s linear infinite;
  width: max-content;
}

.app-marquee:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
  white-space: nowrap;
  font-weight: 600;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color 0.2s;
}

.marquee-item:hover {
  color: white;
}

.marquee-item i {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  color: white;
}

/* Bande expertise */
.expertise-band {
  background: white;
  padding: 4rem 0;
  margin-top: -1px;
}

.expertise-band-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.expertise-band-card {
  text-align: center;
  padding: 1.5rem 1rem;
}

.expertise-band-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(255, 121, 0, 0.12), rgba(0, 158, 96, 0.12));
  display: grid;
  place-items: center;
  font-size: 1.35rem;
  color: var(--primary);
}

.expertise-band-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.expertise-band-card p {
  font-size: 0.88rem;
  color: var(--gray);
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.tech-stack span {
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.45);
  padding: 0.25rem 0.5rem;
  border-left: 2px solid rgba(255, 121, 0, 0.5);
}

/* Sections */
.section {
  padding: 5.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--gray);
  font-size: 1.05rem;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: white;
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid rgba(11, 18, 32, 0.06);
  transition: transform 0.25s, box-shadow 0.25s;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255, 121, 0, 0.15), rgba(0, 158, 96, 0.15));
  display: grid;
  place-items: center;
  color: var(--primary);
  font-size: 1.35rem;
  margin-bottom: 1.25rem;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--gray);
  font-size: 0.95rem;
}

/* Projects */
.projects {
  background: var(--dark);
  color: white;
}

.projects .section-header h2,
.projects .section-header p {
  color: white;
}

.projects .section-header p {
  opacity: 0.75;
}

.projects .section-tag {
  color: var(--primary);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--gradient);
  border-color: transparent;
  color: white;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--dark-soft);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 0.25s, border-color 0.25s;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 121, 0, 0.4);
}

.project-card.hidden {
  display: none;
}

.project-thumb {
  height: 168px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.project-thumb img {
  max-height: 70px;
  max-width: 70%;
  object-fit: contain;
}

.project-thumb.icon-only i,
.project-thumb-fallback i {
  font-size: 3rem;
  color: white;
  opacity: 0.95;
}

.project-thumb-link {
  display: block;
  text-decoration: none;
  cursor: pointer;
}

.project-thumb-live {
  display: block;
  text-decoration: none;
  cursor: pointer;
  min-height: 168px;
  height: 168px;
}

.project-thumb-live .live-preview {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  background: #fff;
  isolation: isolate;
}

.project-thumb-live .live-preview-scale {
  position: absolute;
  top: 0;
  left: 0;
  width: 400%;
  height: 400%;
  transform: scale(0.25);
  transform-origin: top left;
  -webkit-transform: scale(0.25);
  -webkit-transform-origin: top left;
}

.project-thumb-live .live-preview-scale iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  pointer-events: none;
  background: #fff;
}

.project-thumb-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg, transparent 35%, rgba(15, 23, 42, 0.88) 100%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0.75rem;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.project-thumb-live:hover .project-thumb-overlay {
  opacity: 1;
}

/* Mobile / tactile : pas d’iframes (évite crash Chrome par manque de RAM) */
html.no-live-preview .project-thumb-live .live-preview {
  display: none;
}

html.no-live-preview .project-thumb-live .project-thumb-overlay {
  opacity: 1;
}

@media (max-width: 900px) {
  .project-thumb-live .live-preview {
    display: none;
  }

  .project-thumb-live .project-thumb-overlay {
    opacity: 1;
  }

  .app-marquee {
    animation-duration: 55s;
  }
}

@media (prefers-reduced-motion: reduce) {
  .app-marquee {
    animation: none;
  }
}

.project-thumb-link .project-thumb-cta {
  position: absolute;
  bottom: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.project-thumb-link:hover .project-thumb-cta {
  opacity: 1;
}

.project-thumb-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: white;
  background: rgba(255, 121, 0, 0.92);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
}

.project-thumb-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-body {
  padding: 1.5rem;
}

.project-body h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.project-body p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: rgba(255, 121, 0, 0.2);
  color: #ffb366;
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.project-link-primary {
  background: var(--gradient);
  color: white;
}

.project-link-primary:hover {
  opacity: 0.92;
}

.project-link-outline {
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.9);
}

.project-link-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Solutions pro */
.solutions {
  background: white;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.solution-card {
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid rgba(11, 18, 32, 0.08);
  background: var(--light);
  transition: box-shadow 0.25s;
}

.solution-card:hover {
  box-shadow: var(--shadow);
}

.solution-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  background: var(--secondary);
  color: white;
  margin-bottom: 0.75rem;
}

.solution-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.solution-card p {
  color: var(--gray);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.solution-card ul {
  list-style: none;
  font-size: 0.85rem;
  color: var(--gray);
}

.solution-card li {
  padding: 0.25rem 0;
  padding-left: 1.25rem;
  position: relative;
}

.solution-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary);
  font-weight: 700;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.about-text p {
  color: var(--gray);
  margin-bottom: 1rem;
}

.mission-box {
  background: linear-gradient(135deg, rgba(255, 121, 0, 0.08), rgba(0, 158, 96, 0.08));
  border-left: 4px solid var(--primary);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.5rem 0;
}

.about-image {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

/* Testimonials */
.testimonials {
  background: var(--light);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  background: white;
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(11, 18, 32, 0.06);
}

.testimonial-card p {
  font-style: italic;
  color: var(--gray);
  margin-bottom: 1.5rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-author img,
.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: contain;
  background: var(--light);
  padding: 4px;
}

.testimonial-avatar {
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.testimonial-avatar-djossi {
  background: linear-gradient(135deg, #ff7900, #e06a00);
  color: white;
  font-size: 1.1rem;
}

.testimonial-author h4 {
  font-size: 1rem;
}

.testimonial-author span {
  font-size: 0.85rem;
  color: var(--gray);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
}

.contact-form {
  background: white;
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(11, 18, 32, 0.12);
  border-radius: 10px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.contact-info-card {
  background: var(--dark);
  color: white;
  padding: 2rem;
  border-radius: var(--radius);
}

.contact-info-card h3 {
  font-family: var(--font-display);
  margin-bottom: 1.5rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-item i {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  display: grid;
  place-items: center;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
  opacity: 0.8;
}

.contact-item a {
  color: white;
  text-decoration: none;
}

.contact-item a:hover {
  color: var(--primary);
}

/* Footer */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer h4 {
  color: white;
  font-family: var(--font-display);
  margin-bottom: 1rem;
}

.footer ul {
  list-style: none;
}

.footer li {
  margin-bottom: 0.5rem;
}

.footer a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer a:hover {
  color: var(--primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
}

.back-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient);
  color: white;
  border: none;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  z-index: 99;
  box-shadow: var(--shadow);
}

.back-top.visible {
  opacity: 1;
  visibility: visible;
}

/* Preloader */
.preloader {
  position: fixed;
  inset: 0;
  background: white;
  display: grid;
  place-items: center;
  z-index: 9999;
  transition: opacity 0.4s, visibility 0.4s;
}

.preloader.hide {
  opacity: 0;
  visibility: hidden;
}

.preloader-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-premium {
    padding-top: 5.25rem;
  }

  .hero-premium-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-showcase {
    order: -1;
  }

  .showcase-screen {
    min-height: 300px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 576px) {
  .expertise-band-grid {
    grid-template-columns: 1fr;
  }

  .showcase-tab {
    flex: 1 1 calc(50% - 0.4rem);
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav ul {
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
  }

  .nav .btn {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}