/* ==========================================================================
   Ubaka Rwanda — Construction Landing Page
   Earth-tone palette · Photography-centric · Mobile-first
   ========================================================================== */

/* ---------- 1. Design Tokens --------------------------------------------- */
:root {
  /* Colors — earth tones + single accent */
  --color-primary: #8B4513;      /* saddle brown */
  --color-primary-dark: #6b340e;
  --color-accent: #FF8C42;       /* orange */
  --color-accent-dark: #e67433;
  --color-neutral: #F5E6D3;      /* warm beige */
  --color-neutral-2: #EAD9C0;
  --color-dark: #2C1810;         /* deep espresso */
  --color-mid: #5a4638;
  --color-muted: #7c6a5c;
  --color-light: #FFFFFF;
  --color-bg: #FBF7F1;
  --color-border: rgba(44, 24, 16, 0.12);
  --color-error: #b3261e;
  --color-success: #2e7d32;

  /* Typography scale */
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Fraunces", "Playfair Display", Georgia, "Times New Roman", serif;

  --font-size-xs: 0.875rem;
  --font-size-sm: 1rem;
  --font-size-base: 1.0625rem;
  --font-size-md: 1.25rem;
  --font-size-lg: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-2xl: 2.5rem;
  --font-size-3xl: 3rem;
  --font-size-4xl: 3.5rem;

  /* Spacing scale */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Radii, shadows, motion */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(44, 24, 16, 0.06);
  --shadow-md: 0 10px 30px -12px rgba(44, 24, 16, 0.18);
  --shadow-lg: 0 24px 60px -18px rgba(44, 24, 16, 0.28);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 350ms;

  --container: 1200px;
  --header-h: 74px;
}

/* ---------- 2. Reset & Base ---------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-dark);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, picture, svg, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }
input, textarea, select, button { font-family: inherit; }
ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-dark);
}

::selection { background: var(--color-accent); color: var(--color-light); }

/* Accessibility */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-dark);
  color: var(--color-light);
  padding: var(--space-sm) var(--space-md);
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 3. Layout Utilities ----------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-md);
}
@media (min-width: 768px) {
  .container { padding-inline: var(--space-xl); }
}

.section { padding: var(--space-3xl) 0; }

.section-header {
  max-width: 780px;
  margin: 0 auto var(--space-2xl);
  text-align: center;
}

.section-title {
  font-size: clamp(var(--font-size-xl), 4.5vw, var(--font-size-3xl));
  margin-block: var(--space-sm);
}

.section-lede {
  color: var(--color-muted);
  font-size: var(--font-size-md);
  max-width: 60ch;
  margin: 0 auto;
}

.eyebrow {
  display: inline-block;
  font-size: var(--font-size-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
}

.accent { color: var(--color-accent); }

/* ---------- 4. Buttons --------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  padding: 0.95rem 1.6rem;
  font-weight: 600;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-pill);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  will-change: transform;
  cursor: pointer;
  border: 2px solid transparent;
  line-height: 1;
}
.btn i { transition: transform var(--dur) var(--ease); }
.btn:hover { transform: translateY(-2px); }
.btn:hover i { transform: translateX(4px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-accent);
  color: var(--color-light);
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { background: var(--color-accent-dark); }

.btn-ghost {
  color: var(--color-light);
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.14); border-color: var(--color-light); }

.btn-block { width: 100%; }

/* ---------- 5. Header ---------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease), backdrop-filter var(--dur) var(--ease);
  background: transparent;
}
.site-header.scrolled {
  background: rgba(251, 247, 241, 0.85);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  box-shadow: 0 6px 24px -12px rgba(44, 24, 16, 0.18);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  color: var(--color-light);
  transition: color var(--dur) var(--ease);
}
.site-header.scrolled .logo { color: var(--color-dark); }

.logo-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-light);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
}
.logo-text { font-family: var(--font-display); font-size: 1.15rem; letter-spacing: -0.01em; }
.logo-accent { color: var(--color-accent); }

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}
.nav-link {
  color: var(--color-light);
  font-weight: 500;
  font-size: var(--font-size-sm);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--dur) var(--ease);
}
.site-header.scrolled .nav-link { color: var(--color-dark); }
.nav-link:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--dur) var(--ease);
}
.nav-link:hover::after,
.nav-link:focus-visible::after { width: 100%; }

.nav-cta {
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-light) !important;
}
.nav-cta:hover { background: var(--color-accent-dark); }

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.menu-toggle span {
  width: 24px; height: 2px;
  background: var(--color-light);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease), background var(--dur) var(--ease);
}
.site-header.scrolled .menu-toggle span { background: var(--color-dark); }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .menu-toggle { display: inline-flex; }
  .primary-nav {
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--dur) var(--ease);
  }
  .primary-nav.open { max-height: 480px; }
  .primary-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-md);
  }
  .primary-nav li { border-bottom: 1px solid var(--color-border); }
  .primary-nav li:last-child { border-bottom: 0; }
  .primary-nav .nav-link { display: block; color: var(--color-dark); padding: var(--space-md) var(--space-sm); }
  .nav-cta { display: inline-block; margin-top: var(--space-sm); }
}

/* ---------- 6. Hero ------------------------------------------------------ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--color-light);
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  z-index: -2;
  animation: heroZoom 20s var(--ease) forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }

.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(44,24,16,0.55) 0%, rgba(44,24,16,0.75) 100%);
  z-index: -1;
}

.hero-content {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  max-width: 820px;
}
.hero-content .eyebrow {
  color: var(--color-accent);
}
.hero-title {
  font-size: clamp(2.25rem, 6.5vw, var(--font-size-4xl));
  color: var(--color-light);
  margin-block: var(--space-md);
  letter-spacing: -0.02em;
}
.hero-sub {
  font-size: clamp(var(--font-size-sm), 2.2vw, var(--font-size-md));
  color: rgba(255,255,255,0.86);
  max-width: 56ch;
  margin-bottom: var(--space-xl);
}
.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
  max-width: 520px;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.18);
}
.hero-meta li {
  display: flex; flex-direction: column;
  gap: 0.15rem;
}
.hero-meta strong {
  font-family: var(--font-display);
  font-size: clamp(var(--font-size-lg), 3vw, var(--font-size-xl));
  color: var(--color-light);
}
.hero-meta span {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.75);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.scroll-cue {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  width: 28px; height: 46px;
  border: 2px solid rgba(255,255,255,0.65);
  border-radius: var(--radius-pill);
  display: grid; place-items: center;
}
.scroll-cue span {
  width: 3px; height: 8px;
  background: var(--color-accent);
  border-radius: 2px;
  animation: scrollDot 1.8s var(--ease) infinite;
}
@keyframes scrollDot {
  0% { transform: translateY(-8px); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateY(8px); opacity: 0; }
}

/* ---------- 7. Services -------------------------------------------------- */
.services { background: var(--color-bg); }
.services-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}

.service-card {
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute; inset: auto -30% -30% auto;
  width: 220px; height: 220px;
  background: radial-gradient(circle, var(--color-neutral) 0%, transparent 70%);
  z-index: 0;
  transition: transform var(--dur) var(--ease);
}
.service-card > * { position: relative; z-index: 1; }
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-neutral-2);
}
.service-card:hover::before { transform: scale(1.15); }

.service-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-neutral);
  color: var(--color-primary);
  display: grid; place-items: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-md);
}
.service-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}
.service-card p { color: var(--color-mid); margin-bottom: var(--space-md); }

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.service-tags li {
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
  background: var(--color-neutral);
  color: var(--color-primary-dark);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

/* ---------- 8. Portfolio ------------------------------------------------- */
.portfolio { background: var(--color-neutral); }

.portfolio-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
  grid-auto-rows: 260px;
}
@media (min-width: 640px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 300px; }
}
@media (min-width: 1024px) {
  .portfolio-grid { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 320px; }
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-dark);
  box-shadow: var(--shadow-md);
  cursor: pointer;
}
.portfolio-item.tall { grid-row: span 2; }
@media (max-width: 639px) {
  .portfolio-item.tall { grid-row: span 1; }
}

.portfolio-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 800ms var(--ease), filter var(--dur) var(--ease);
}
.portfolio-item:hover img { transform: scale(1.08); }

.portfolio-caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--space-lg);
  color: var(--color-light);
  background: linear-gradient(180deg, transparent 0%, rgba(44,24,16,0.85) 100%);
}
.portfolio-caption h3 {
  color: var(--color-light);
  font-size: var(--font-size-lg);
  margin-block: 0.35rem;
}
.portfolio-caption p { color: rgba(255,255,255,0.78); font-size: var(--font-size-xs); letter-spacing: 0.08em; text-transform: uppercase; }

.tag {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  background: rgba(255,255,255,0.14);
  color: var(--color-light);
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
}
.tag.accent { background: var(--color-accent); }

.portfolio-cta {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  display: inline-flex;
  gap: 0.4rem;
  align-items: center;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.95);
  color: var(--color-dark);
  font-size: 0.8rem;
  font-weight: 600;
  transform: translateY(-6px);
  opacity: 0;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease), background var(--dur) var(--ease);
}
.portfolio-item.transformable:hover .portfolio-cta,
.portfolio-item.transformable:focus-within .portfolio-cta {
  opacity: 1;
  transform: translateY(0);
}
.portfolio-cta:hover { background: var(--color-accent); color: var(--color-light); }

/* ---------- 9. Before / After Modal ------------------------------------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: var(--space-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}
.modal[hidden] { display: none; }
.modal.active { opacity: 1; pointer-events: auto; }

.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(20, 12, 8, 0.78);
  backdrop-filter: blur(6px);
}
.modal-panel {
  position: relative;
  width: min(1000px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  transform: scale(0.96) translateY(12px);
  transition: transform var(--dur) var(--ease);
}
.modal.active .modal-panel { transform: none; }
.modal-close {
  position: absolute;
  top: var(--space-md); right: var(--space-md);
  width: 40px; height: 40px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--color-dark);
  color: var(--color-light);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.modal-close:hover { background: var(--color-accent); transform: rotate(90deg); }

.modal-header { margin-bottom: var(--space-lg); max-width: 60ch; }
.modal-header h3 { font-size: var(--font-size-xl); margin-block: 0.3rem; }
.modal-header p { color: var(--color-muted); }

.ba-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-dark);
  user-select: none;
  touch-action: none;
  cursor: ew-resize;
}
.ba-slider img.ba-image {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  pointer-events: none;
}
.ba-clip {
  position: absolute; inset: 0;
  width: 50%;
  overflow: hidden;
  transition: width 40ms linear;
}
.ba-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--color-light);
  transform: translateX(-1px);
  pointer-events: none;
  transition: left 40ms linear;
}
.ba-line { display: none; }
.ba-knob {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--color-light);
  color: var(--color-primary);
  display: grid; place-items: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.35);
  font-size: 1rem;
}
.ba-label {
  position: absolute;
  top: var(--space-md);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
  background: rgba(0,0,0,0.55);
  color: var(--color-light);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.ba-label-before { left: var(--space-md); }
.ba-label-after  { right: var(--space-md); }

/* ---------- 10. Testimonials -------------------------------------------- */
.testimonials { background: var(--color-bg); }

.testimonial-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .testimonial-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .testimonial-grid { grid-template-columns: repeat(3, 1fr); } }

.testimonial {
  background: var(--color-light);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.testimonial:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.testimonial::before {
  content: "\201C";
  position: absolute;
  top: -0.25em; right: 0.2em;
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--color-neutral);
  line-height: 1;
}
.testimonial blockquote {
  font-family: var(--font-display);
  font-size: var(--font-size-md);
  font-style: italic;
  color: var(--color-dark);
  margin-bottom: var(--space-lg);
  line-height: 1.4;
}
.testimonial figcaption {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.testimonial figcaption img {
  width: 48px; height: 48px;
  border-radius: 50%;
  object-fit: cover;
}
.testimonial figcaption strong { display: block; }
.testimonial figcaption span { color: var(--color-muted); font-size: var(--font-size-xs); }

/* ---------- 11. Credentials --------------------------------------------- */
.credentials { background: var(--color-dark); color: var(--color-light); }
.credentials .section-title { color: var(--color-light); }
.credentials .eyebrow { color: var(--color-accent); }
.credentials-grid {
  display: grid;
  gap: var(--space-2xl);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 1024px) {
  .credentials-grid { grid-template-columns: 1.1fr 1fr; }
}
.credentials-copy p { color: rgba(255,255,255,0.78); margin-top: var(--space-md); max-width: 55ch; }

.cert-list {
  margin-top: var(--space-lg);
  display: grid;
  gap: var(--space-sm);
}
.cert-list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.9);
}
.cert-list li i { color: var(--color-accent); width: 22px; text-align: center; }

.stats {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(2, 1fr);
}
.stat {
  padding: var(--space-lg);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.stat:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  color: var(--color-accent);
  font-weight: 600;
  line-height: 1;
}
.stat-suffix {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--color-accent);
  margin-left: 0.1rem;
}
.stat p {
  margin-top: var(--space-sm);
  color: rgba(255,255,255,0.7);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* ---------- 12. Team ----------------------------------------------------- */
.team { background: var(--color-bg); }
.team-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 1024px) { .team-grid { grid-template-columns: repeat(4, 1fr); } }

.team-member { text-align: left; }
.team-photo {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-neutral);
  margin-bottom: var(--space-md);
}
.team-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(85%) contrast(1.02);
  transition: filter 600ms var(--ease), transform 800ms var(--ease);
}
.team-member:hover .team-photo img {
  filter: grayscale(0);
  transform: scale(1.06);
}
.team-member h3 { font-size: var(--font-size-md); }
.team-member p { color: var(--color-muted); font-size: var(--font-size-sm); }

/* ---------- 13. Contact -------------------------------------------------- */
.contact { background: var(--color-neutral); }

.contact-grid {
  display: grid;
  gap: var(--space-2xl);
  grid-template-columns: 1fr;
}
@media (min-width: 1024px) {
  .contact-grid { grid-template-columns: 1fr 1.2fr; align-items: start; }
}

.contact-copy p { color: var(--color-mid); margin-top: var(--space-md); max-width: 40ch; }
.contact-details {
  margin-top: var(--space-lg);
  display: grid;
  gap: var(--space-sm);
}
.contact-details li {
  display: flex; align-items: center; gap: var(--space-sm);
  color: var(--color-mid);
}
.contact-details li i {
  width: 36px; height: 36px;
  display: inline-grid; place-items: center;
  border-radius: 50%;
  background: var(--color-light);
  color: var(--color-primary);
}

.contact-form {
  background: var(--color-light);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  display: grid;
  gap: var(--space-md);
}

.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field-row {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .field-row { grid-template-columns: 1fr 1fr; } }

.field label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-mid);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-dark);
  font-size: var(--font-size-sm);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: 0;
  border-color: var(--color-accent);
  background: var(--color-light);
  box-shadow: 0 0 0 4px rgba(255, 140, 66, 0.18);
}
.field.invalid input,
.field.invalid textarea,
.field.invalid select {
  border-color: var(--color-error);
  box-shadow: 0 0 0 4px rgba(179, 38, 30, 0.12);
}
.field .error {
  min-height: 1.2em;
  font-size: var(--font-size-xs);
  color: var(--color-error);
}

.form-status {
  min-height: 1.2em;
  font-size: var(--font-size-sm);
  color: var(--color-success);
  font-weight: 500;
}
.form-status.error { color: var(--color-error); }

/* ---------- 14. Footer --------------------------------------------------- */
.site-footer { background: var(--color-dark); color: rgba(255,255,255,0.78); padding-top: var(--space-3xl); }
.footer-grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
  padding-bottom: var(--space-2xl);
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
.footer-brand .logo-text { color: var(--color-light); font-size: 1.4rem; display: inline-block; margin-bottom: var(--space-sm); }
.footer-brand p { max-width: 34ch; color: rgba(255,255,255,0.7); }

.footer-col h4 {
  color: var(--color-light);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}
.footer-col ul { display: grid; gap: 0.5rem; }
.footer-col a { color: rgba(255,255,255,0.78); transition: color var(--dur) var(--ease); }
.footer-col a:hover { color: var(--color-accent); }

.socials { display: flex; gap: var(--space-sm); }
.socials a {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.socials a:hover { background: var(--color-accent); color: var(--color-light); transform: translateY(-3px); }

.footer-legal {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-block: var(--space-md);
  font-size: var(--font-size-xs);
}
.footer-legal .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.footer-legal a:hover { color: var(--color-accent); }

/* ---------- 15. Scroll-triggered animations ----------------------------- */
.fade-in-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 800ms var(--ease), transform 800ms var(--ease);
}
.slide-in-left {
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity 800ms var(--ease), transform 800ms var(--ease);
}
.fade-in-up.visible,
.slide-in-left.visible {
  opacity: 1;
  transform: none;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: none; }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: none; }
}