/* ============================================================
   LAYOUT.CSS — Nav, Hero, Ticker, Portfolio, Avant/Après,
                Services, Contact, Footer, Responsive
   ============================================================ */

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--container-pad);
  transition: background var(--dur-mid) var(--ease-out),
              border-color var(--dur-mid) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.nav--scrolled {
  background: rgba(8,8,8,0.86);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-bottom-color: var(--color-border);
}

.nav__logo-text {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  letter-spacing: 0.06em;
  color: var(--color-text);
}

.nav__links {
  display: flex;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: center;
}

.nav__link {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--dur-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width var(--dur-mid) var(--ease-out);
}

.nav__link:hover { color: var(--color-text); }
.nav__link:hover::after { width: 100%; }

.nav__cta { display: none; }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 22px;
  z-index: 201;
}

.nav__burger span {
  display: block;
  height: 1px;
  background: var(--color-text);
  transition: transform var(--dur-mid) var(--ease-out), opacity var(--dur-mid);
}

.nav__burger.open span:first-child { transform: translateY(3px) rotate(45deg); }
.nav__burger.open span:last-child  { transform: translateY(-3px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 199;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-mid) var(--ease-out), visibility var(--dur-mid);
}

.mobile-menu.open { opacity: 1; visibility: visible; }

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  text-align: center;
}

.mobile-menu__link {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 8vw, 3.8rem);
  color: var(--color-text-muted);
  transition: color var(--dur-fast);
}

.mobile-menu__link:hover { color: var(--color-text); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  height: 100svh;
  min-height: 580px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__video {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  /* REMPLACER src dans index.html par ta vidéo drone/FPV */
  background: var(--color-surface);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    165deg,
    rgba(8,8,8,0.55) 0%,
    rgba(8,8,8,0.4) 40%,
    rgba(8,8,8,0.75) 100%
  );
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-inline: var(--container-pad);
  max-width: 960px;
}

.hero__eyebrow {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
  opacity: 0;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7.5vw, 7rem);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-bottom: 1.75rem;
  overflow: hidden;
}

.hero__title em { font-style: italic; color: var(--color-accent); }

/* Chaque mot splitté (data-split="words") est enveloppé dans un span.word-wrap */
.word-wrap { display: inline-block; overflow: hidden; vertical-align: bottom; }
.word      { display: inline-block; }

.hero__subtitle {
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
  opacity: 0;
}

.hero__cta { opacity: 0; }

/* Scroll hint — roue animée */
.hero__scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text-muted);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero__scroll-wheel {
  width: 22px; height: 36px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 11px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.hero__scroll-dot {
  width: 3px; height: 7px;
  background: var(--color-accent);
  border-radius: 2px;
  animation: wheelScroll 1.9s var(--ease-out) infinite;
}

@keyframes wheelScroll {
  0%   { transform: translateY(0);   opacity: 1; }
  60%  { transform: translateY(10px); opacity: 0; }
  61%  { transform: translateY(0);   opacity: 0; }
  100% { transform: translateY(0);   opacity: 1; }
}

/* ============================================================
   TICKER
   ============================================================ */
.ticker {
  overflow: hidden;
  white-space: nowrap;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: 0.9rem;
}

.ticker__track {
  display: inline-flex;
  gap: 2.5rem;
  animation: tickerScroll 28s linear infinite;
  will-change: transform;
}

.ticker__track span {
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.ticker__sep { color: var(--color-accent) !important; }

@keyframes tickerScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   PORTFOLIO — Galerie éditoriale
   ============================================================ */
.portfolio {
  background: var(--color-bg-alt);
  padding-block: var(--space-2xl) var(--space-xl);
}

.portfolio__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.portfolio__filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  transition: color var(--dur-fast), background var(--dur-fast), border-color var(--dur-fast);
}

.filter-btn:hover,
.filter-btn.active {
  color: var(--color-bg);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* ---- Grille éditoriale ---- */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
}

/* Image large sur 2 colonnes */
.gallery__item[data-span="2"] {
  grid-column: span 2;
}

.gallery__item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  margin: 0;
  background: var(--color-surface);
  aspect-ratio: 3/2;
}

/* Les grandes cartes gardent un ratio un peu plus large */
.gallery__item[data-span="2"] {
  aspect-ratio: 16/9;
}

.gallery__media {
  width: 100%; height: 100%;
  overflow: hidden;
}

.gallery__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.9s var(--ease-out), filter 0.6s var(--ease-out);
  will-change: transform;
}

/* Overlay au survol */
.gallery__item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(8,8,8,0);
  transition: background 0.5s var(--ease-out);
  pointer-events: none;
}

.gallery__item:hover::after {
  background: rgba(8,8,8,0.35);
}

.gallery__item:hover .gallery__media img {
  transform: scale(1.04);
}

/* Caption — glisse depuis le bas */
.gallery__caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.4rem 1.2rem 1.1rem;
  background: linear-gradient(to top, rgba(8,8,8,0.72) 0%, transparent 100%);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  transform: translateY(6px);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
  pointer-events: none;
}

.gallery__item:hover .gallery__caption {
  opacity: 1;
  transform: translateY(0);
}

.gallery__cat {
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.gallery__name {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--color-text);
}

/* Icône loupe centrée — toujours visible au survol */
.gallery__item::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.7);
  width: 40px; height: 40px;
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 50%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='1.5'%3E%3Cpath d='M15 3h6v6M9 21H3v-6M21 3l-7 7M3 21l7-7'/%3E%3C/svg%3E") center/16px no-repeat;
  opacity: 0;
  transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out);
  z-index: 2;
  pointer-events: none;
}

.gallery__item:hover::before {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* Items masqués par le filtre */
.gallery__item.hidden {
  display: none;
}

/* ---- LIGHTBOX ---- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(5,5,5,0.97);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.35s var(--ease-out);
}

.lightbox[hidden] { display: none; }

.lightbox.is-open {
  display: flex;
  opacity: 1;
}

.lightbox__stage {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 82vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 2px;
  transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out);
  display: block;
}

.lightbox__img.is-switching {
  opacity: 0;
  transform: scale(0.97);
}

.lightbox__close {
  position: absolute;
  top: 1.5rem; right: 1.75rem;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text-muted);
  transition: color var(--dur-fast), border-color var(--dur-fast);
  z-index: 2;
}

.lightbox__close svg { width: 18px; height: 18px; }
.lightbox__close:hover { color: var(--color-text); border-color: rgba(255,255,255,0.3); }

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text-muted);
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
  z-index: 2;
}

.lightbox__nav svg { width: 20px; height: 20px; }
.lightbox__nav:hover { color: var(--color-text); border-color: rgba(255,255,255,0.3); background: rgba(255,255,255,0.04); }

.lightbox__nav--prev { left: 1.5rem; }
.lightbox__nav--next { right: 1.5rem; }

.lightbox__meta {
  position: absolute;
  bottom: 1.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  white-space: nowrap;
}

.lightbox__cat {
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.lightbox__title {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.lightbox__counter {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  opacity: 0.5;
}

/* Fake card title — pour compatibilité ancien code */
.portfolio__card-title {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--color-text);
}

/* Items filtrés masqués */
.portfolio__card.hidden { display: none; }

/* ============================================================
   AVANT / APRÈS
   ============================================================ */
.before-after {
  padding-block: var(--space-2xl);
  background: var(--color-bg);
}

.before-after__intro {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  max-width: 480px;
}

/* Slider */
.ba-slider {
  position: relative;
  width: 100%;
  max-width: 960px;
  margin: var(--space-lg) auto 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  user-select: none;
  cursor: ew-resize;
  aspect-ratio: 16/9;
  background: var(--color-surface);
  touch-action: none;
}

.ba-slider__after,
.ba-slider__before {
  position: absolute;
  inset: 0;
}

.ba-slider__after img,
.ba-slider__before img {
  width: 100%; height: 100%;
  object-fit: cover;
  pointer-events: none;
  draggable: false;
}

/* Le "before" est clipé à gauche — la largeur change via JS */
.ba-slider__before {
  clip-path: inset(0 50% 0 0);
  /* JS met à jour : clip-path: inset(0 calc(100% - X%) 0 0) */
}

/* Handle vertical */
.ba-slider__handle {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.ba-slider__line {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.7);
}

.ba-slider__btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 16px rgba(0,0,0,0.3);
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.ba-slider__btn svg {
  width: 20px; height: 20px;
  color: var(--color-bg);
}

/* Labels */
.ba-label {
  position: absolute;
  bottom: 1rem;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: white;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(6px);
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
  pointer-events: none;
}

.ba-label--before { left: 1rem; }
.ba-label--after  { right: 1rem; }

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  padding-block: var(--space-2xl);
  background: var(--color-bg-alt);
}

.services__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--space-xl);
}

.services__item {
  display: grid;
  grid-template-columns: 3rem 1fr 2rem;
  align-items: start;
  gap: var(--space-md);
  padding-block: 2.2rem;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--dur-mid) var(--ease-out);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}

/* Fond de survol qui slide */
.services__item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent-dim);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-mid) var(--ease-out);
  border-radius: inherit;
}

.services__item:hover::before { transform: scaleX(1); }

.services__number {
  font-family: var(--font-serif);
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  padding-top: 0.25rem;
  position: relative;
}

.services__body { position: relative; }

.services__title {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 0.6rem;
  transition: color var(--dur-fast);
}

.services__item:hover .services__title { color: var(--color-accent); }

.services__desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  max-width: 560px;
  line-height: 1.8;
}

.services__arrow {
  display: flex;
  align-items: center;
  padding-top: 0.25rem;
  position: relative;
}

.services__arrow svg {
  width: 20px; height: 20px;
  color: var(--color-text-muted);
  transition: transform var(--dur-mid) var(--ease-out), color var(--dur-fast);
}

.services__item:hover .services__arrow svg {
  transform: translate(4px,-4px);
  color: var(--color-accent);
}

/* Stats */
.services__stats {
  display: flex;
  justify-content: center;
  gap: clamp(2rem, 10vw, 8rem);
  padding-block: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.stat__number {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5.5vw, 4.5rem);
  font-weight: 400;
  color: var(--color-accent);
  line-height: 1;
}

.stat__unit {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-left: 2px;
  align-self: flex-start;
  margin-top: 0.5rem;
}

.stat > .stat__number,
.stat > .stat__unit {
  display: inline;
}

.stat__inner {
  display: flex;
  align-items: flex-start;
}

.stat__label {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding-block: var(--space-2xl);
  background: var(--color-bg);
}

.contact__inner {
  max-width: 800px;
  margin-inline: auto;
  padding: clamp(2.5rem, 6vw, 5rem);
  border-radius: var(--radius-md);
  text-align: left;
}

.contact__inner .section-header { text-align: left; }

/* ---- Formulaire ---- */
.contact-form {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}

.contact-form__field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.contact-form__field label {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.contact-form__field .optional {
  font-size: 0.6rem;
  opacity: 0.6;
  text-transform: none;
  letter-spacing: 0;
}

.contact-form__field input,
.contact-form__field select,
.contact-form__field textarea {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 300;
  padding: 0.85rem 1rem;
  outline: none;
  transition: border-color var(--dur-fast), background var(--dur-fast);
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
}

.contact-form__field input::placeholder,
.contact-form__field textarea::placeholder {
  color: rgba(236,233,227,0.22);
}

.contact-form__field input:focus,
.contact-form__field select:focus,
.contact-form__field textarea:focus {
  border-color: var(--color-accent);
  background: rgba(200,169,106,0.04);
}

/* Flèche du select */
.contact-form__field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c8a96a' stroke-width='1.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 16px;
  padding-right: 2.5rem;
  color: var(--color-text-muted);
  cursor: pointer;
}

.contact-form__field select option {
  background: #1a1a1a;
  color: var(--color-text);
}

.contact-form__field textarea {
  resize: vertical;
  min-height: 130px;
  line-height: 1.65;
}

/* Validation visuelle */
.contact-form__field input.is-invalid,
.contact-form__field select.is-invalid,
.contact-form__field textarea.is-invalid {
  border-color: rgba(220, 80, 80, 0.7);
}

.contact-form__footer {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.contact-form__submit {
  flex-shrink: 0;
}

.contact-form__submit.is-loading {
  opacity: 0.6;
  pointer-events: none;
}

.contact-form__legal {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  opacity: 0.6;
}

/* Messages retour */
.contact-form__success,
.contact-form__error {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.contact-form__success[hidden],
.contact-form__error[hidden] { display: none; }

.contact-form__success {
  background: rgba(100, 200, 120, 0.08);
  border: 1px solid rgba(100,200,120,0.25);
  color: #7ecf8f;
}

.contact-form__success svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
}

.contact-form__error {
  background: rgba(220,80,80,0.07);
  border: 1px solid rgba(220,80,80,0.2);
  color: #e08080;
}

.contact-form__error a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* Séparateur avant socials */
.contact__divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  margin-block: var(--space-lg);
}

.contact__email {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.5vw, 1.7rem);
  font-style: italic;
  color: var(--color-accent);
  margin-block: var(--space-lg);
  position: relative;
  padding-bottom: 3px;
}

.contact__email::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width var(--dur-mid) var(--ease-out);
}

.contact__email:hover::after { width: 100%; }

.contact__socials {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.contact__social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0.55rem 1.15rem;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
}

.contact__social-link svg { width: 15px; height: 15px; }

.contact__social-link:hover {
  color: var(--color-text);
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.04);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding-block: 1.5rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer__brand {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--color-text);
}

.footer__copy {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.footer__back {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--dur-fast);
}

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

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (min-width: 1100px) {
  .nav__cta { display: inline-flex; }
}

@media (max-width: 820px) {
  .contact-form__row { grid-template-columns: 1fr; }

  .nav__links { display: none; }
  .nav__burger { display: flex; }

  .services__item {
    grid-template-columns: 2.5rem 1fr;
  }
  .services__arrow { display: none; }

  .services__stats {
    gap: var(--space-md);
    flex-wrap: wrap;
  }

  .footer__inner { flex-direction: column; text-align: center; }
}

@media (max-width: 540px) {
  :root { --nav-h: 60px; }

  .portfolio__track { padding-inline: var(--container-pad); }

  .ba-slider { aspect-ratio: 4/3; }
}