/* ==========================================================================
   ARCHITECTE ORAN — design tokens
   ========================================================================== */

@font-face {
  font-family: 'Outfit';
  src: url('../assets/fonts/Outfit-Variable.woff2') format('woff2-variations'),
       url('../assets/fonts/Outfit-Variable.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-white: #FFFFFF;
  --color-sky: #F5FAFD;
  --color-gray: #ECECEC;
  --color-anthracite: #1E1E1E;
  --color-accent: #1B6B54;
  --color-accent-dark: #124F3E;
  --color-text-muted: #63666a;
  --color-border: rgba(30, 30, 30, 0.09);

  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container-w: 1320px;
  --radius: 0px;
  --radius-round: 999px;

  --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 0.3s;
  --dur-med: 0.6s;
  --dur-slow: 0.9s;

  --header-h: 76px;
}

/* ==========================================================================
   Reset & base
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--color-anthracite);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.7;
}

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

h1, h2, h3 { margin: 0; font-weight: 500; letter-spacing: -0.02em; line-height: 1.1; }

p { margin: 0; }

ul { list-style: none; margin: 0; padding: 0; }

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

button { font-family: inherit; cursor: pointer; }

input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-anthracite);
}

.container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 32px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  background: var(--color-anthracite);
  color: var(--color-white);
  padding: 12px 20px;
  z-index: 999;
  transition: top var(--dur-fast) var(--ease-premium);
}
.skip-link:focus { top: 12px; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ==========================================================================
   Reveal-on-scroll (IntersectionObserver driven)
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-premium),
              transform var(--dur-slow) var(--ease-premium);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  * { animation: none !important; transition-duration: 0.01ms !important; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: transform var(--dur-fast) var(--ease-premium),
              background-color var(--dur-fast) var(--ease-premium),
              border-color var(--dur-fast) var(--ease-premium),
              color var(--dur-fast) var(--ease-premium);
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }

.btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-accent:hover { background: var(--color-accent-dark); }

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--color-white);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--color-white);
}

.btn-outline-dark {
  background: transparent;
  border-color: rgba(30, 30, 30, 0.3);
  color: var(--color-anthracite);
}
.btn-outline-dark:hover {
  background: var(--color-anthracite);
  border-color: var(--color-anthracite);
  color: var(--color-white);
}

.btn-whatsapp {
  background: var(--color-anthracite);
  color: var(--color-white);
  margin-top: 24px;
}
.btn-whatsapp:hover { background: #000; }
.btn-whatsapp img { filter: invert(1) brightness(2); }

.btn-block { width: 100%; }

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease-premium),
              background-color var(--dur-fast) var(--ease-premium);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
}

.header-inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.logo-mark {
  height: 26px;
  width: auto;
  max-width: none;
  flex-shrink: 0;
  display: block;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 40px;
}
.main-nav a {
  font-size: 0.95rem;
  font-weight: 400;
  position: relative;
  padding-bottom: 4px;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--dur-fast) var(--ease-premium);
}
.main-nav a:hover::after { width: 100%; }

.main-nav a[aria-current="page"],
.mobile-nav a[aria-current="page"] {
  color: var(--color-accent);
}
.main-nav a[aria-current="page"]::after { width: 100%; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  padding: 0;
}
.hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-anthracite);
  transition: transform var(--dur-fast) var(--ease-premium),
              opacity var(--dur-fast) var(--ease-premium);
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 24px 32px 32px;
  flex-direction: column;
  gap: 24px;
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: transform var(--dur-med) var(--ease-premium),
              opacity var(--dur-med) var(--ease-premium),
              visibility var(--dur-med);
  z-index: 499;
}
.mobile-nav.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.mobile-nav a {
  font-size: 1.1rem;
}

/* ==========================================================================
   WhatsApp floating button
   ========================================================================== */

.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 58px;
  height: 58px;
  border-radius: var(--radius-round);
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
  z-index: 400;
  transition: transform var(--dur-fast) var(--ease-premium);
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float img { filter: invert(1) brightness(2); }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: hero-zoom 12s var(--ease-premium) forwards;
}
@keyframes hero-zoom {
  from { transform: scale(1.08); }
  to { transform: scale(1); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 18, 16, 0.32) 0%, rgba(18, 16, 14, 0.18) 45%, rgba(12, 11, 10, 0.62) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--color-white);
  padding-top: calc(var(--header-h) + 24px);
  padding-bottom: 96px;
  max-width: 920px;
}

.hero-kicker {
  font-size: 0.95rem;
  font-style: italic;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(2.5rem, 4.4vw, 3.75rem);
  font-weight: 600;
  margin-bottom: 20px;
  text-wrap: balance;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  font-weight: 300;
  max-width: 46ch;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 40px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   Stats strip
   ========================================================================== */

.stats {
  background: var(--color-anthracite);
  color: var(--color-white);
  padding-block: 64px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-number {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ==========================================================================
   Interior page header (title band)
   ========================================================================== */

.page-header {
  background: var(--color-anthracite);
  color: var(--color-white);
  padding-top: calc(var(--header-h) + 56px);
  padding-bottom: 56px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 24px;
}
.breadcrumb a { color: rgba(255, 255, 255, 0.75); }
.breadcrumb a:hover { color: var(--color-white); }

.page-header h1 {
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  font-weight: 600;
  max-width: 42ch;
  margin-bottom: 16px;
}

.page-header p {
  font-size: 1.05rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.78);
  max-width: 62ch;
}

/* ==========================================================================
   Section shared
   ========================================================================== */

section:not(.hero):not(.stats) {
  padding-block: 140px;
}

.section-title {
  font-size: clamp(2rem, 3.4vw, 2.85rem);
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-bottom: 64px;
}

/* ==========================================================================
   Projects
   ========================================================================== */

.projects { background: var(--color-white); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: auto auto;
  gap: 28px;
}

.project-card--large {
  grid-row: span 2;
}

.project-link { display: block; height: 100%; }

.project-card {
  position: relative;
  background: var(--color-sky);
  overflow: hidden;
}

.project-media {
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.project-card--large .project-media { aspect-ratio: 3 / 4; }

.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-premium);
}
.project-card:hover .project-media img { transform: scale(1.06); }

.project-info {
  padding: 28px 4px 8px;
}
.project-info h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}
.project-info p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 18px;
}

.project-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-anthracite);
  border-bottom: 1px solid var(--color-anthracite);
  padding-bottom: 4px;
  transition: color var(--dur-fast) var(--ease-premium),
              border-color var(--dur-fast) var(--ease-premium),
              gap var(--dur-fast) var(--ease-premium);
}
.project-card:hover .project-cta {
  color: var(--color-accent);
  border-color: var(--color-accent);
  gap: 12px;
}

/* ==========================================================================
   Services
   ========================================================================== */

.services { background: var(--color-sky); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.service-item {
  background: var(--color-sky);
  padding: 44px 40px;
  transition: background-color var(--dur-fast) var(--ease-premium);
}
.service-item:hover { background: var(--color-white); }

.service-icon {
  margin-bottom: 24px;
}

.service-item h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.service-item p {
  font-size: 0.94rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Why us / About
   ========================================================================== */

.why-us { background: var(--color-white); }

.why-us-inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 80px;
  align-items: start;
}

.why-us-media {
  position: sticky;
  top: calc(var(--header-h) + 40px);
  aspect-ratio: 4 / 5;
  overflow: hidden;
}
.why-us-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.why-us-content .section-subtitle { margin-bottom: 48px; }

.values-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px 48px;
}

.values-list li {
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
}

.values-list h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.values-list p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Testimonials
   ========================================================================== */

.testimonials { background: var(--color-sky); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.testimonial-card {
  background: var(--color-white);
  padding: 40px 36px;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.quote-icon {
  opacity: 0.5;
  margin-bottom: 20px;
}

.testimonial-card blockquote {
  margin: 0 0 24px;
}
.testimonial-card blockquote p {
  font-size: 1.02rem;
  line-height: 1.6;
}

.stars {
  display: flex;
  gap: 4px;
  margin-bottom: 28px;
}

.testimonial-card figcaption {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: auto;
}
.testimonial-card figcaption img {
  width: 48px;
  height: 48px;
  object-fit: cover;
}
.testimonial-name {
  display: block;
  font-weight: 500;
  font-size: 0.95rem;
}
.testimonial-city {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact { background: var(--color-white); }

.contact-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
}

.contact-intro .section-subtitle { margin-bottom: 40px; }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 8px;
}
.contact-detail {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.98rem;
}

.contact-form {
  background: var(--color-sky);
  padding: 48px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-anthracite);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 14px 16px;
  font-size: 0.98rem;
  border-radius: var(--radius);
  transition: border-color var(--dur-fast) var(--ease-premium);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  outline: none;
}

.form-group textarea { resize: vertical; min-height: 110px; }

.form-error {
  display: none;
  font-size: 0.82rem;
  color: #b5402c;
}
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: #b5402c;
}
.form-group.has-error .form-error { display: block; }

.form-success {
  display: none;
  margin-top: 20px;
  font-size: 0.92rem;
  color: #2f6f4f;
  text-align: center;
}
.form-success.is-visible { display: block; }

.form-send-error {
  display: none;
  margin-top: 20px;
  font-size: 0.92rem;
  color: #b5402c;
  text-align: center;
}
.form-send-error.is-visible { display: block; }

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--color-anthracite);
  color: rgba(255, 255, 255, 0.72);
  padding-top: 96px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand .logo--footer {
  color: var(--color-white);
  margin-bottom: 18px;
}

.footer-col h3 {
  color: var(--color-white);
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 20px;
}

.footer-col p { margin-bottom: 10px; font-size: 0.92rem; }
.footer-col a:hover { color: var(--color-white); }

.footer-social {
  display: flex;
  gap: 16px;
}
.footer-social img { filter: brightness(0) invert(1); opacity: 0.75; transition: opacity var(--dur-fast) var(--ease-premium); }
.footer-social a:hover img { opacity: 1; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 28px;
  font-size: 0.85rem;
}

.footer-legal {
  display: flex;
  gap: 24px;
}
.footer-legal a:hover { color: var(--color-white); }

/* ==========================================================================
   Section "more" link (links out to a dedicated page)
   ========================================================================== */

.section-more {
  margin-top: 56px;
  text-align: center;
}

/* ==========================================================================
   Home closing CTA band
   ========================================================================== */

.home-cta {
  background: var(--color-sky);
  text-align: center;
}

.home-cta .section-title,
.home-cta .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

.home-cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   Legal pages (mentions legales, politique de confidentialite)
   ========================================================================== */

.legal-content {
  max-width: 72ch;
}

.legal-content h2 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-top: 48px;
  margin-bottom: 16px;
}
.legal-content h2:first-child { margin-top: 0; }

.legal-content p,
.legal-content li {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.legal-content ul {
  padding-left: 20px;
  list-style: disc;
}
.legal-content li { margin-bottom: 8px; }

.legal-content a { color: var(--color-anthracite); text-decoration: underline; }
.legal-content a:hover { color: var(--color-accent); }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .why-us-inner { grid-template-columns: 1fr; gap: 48px; }
  .why-us-media { position: static; aspect-ratio: 16 / 9; }
  .contact-inner { grid-template-columns: 1fr; gap: 56px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .main-nav { display: none; }
  .header-actions .btn-accent { display: none; }
  .hamburger { display: flex; }
  .mobile-nav { display: flex; }

  section:not(.hero):not(.stats) { padding-block: 88px; }

  .page-header { padding-top: calc(var(--header-h) + 36px); padding-bottom: 40px; }

  .projects-grid { grid-template-columns: 1fr; }
  .project-card--large { grid-row: auto; }
  .project-card--large .project-media { aspect-ratio: 4 / 3; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }

  .values-list { grid-template-columns: 1fr; }

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

  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 32px 24px; }

  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 600px) {
  .container { padding-inline: 20px; }
  .services-grid { grid-template-columns: 1fr; }
  .hero-content { padding-bottom: 64px; }
  .whatsapp-float { width: 52px; height: 52px; bottom: 20px; right: 20px; }
}