/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:          #000000;
  --bg-2:        #0a0a0a;
  --bg-3:        #141414;
  --ink:         #F2EFE2;
  --ink-soft:    rgba(242,239,226,0.7);
  --ink-mute:    rgba(242,239,226,0.38);
  --accent:      #C11315;
  --accent-dark: #8f0e10;
  --accent-glow: rgba(193,19,21,0.2);
  --gradient-1:  #C11315;
  --gradient-2:  #6b0000;
  --gradient-3:  #ff3a3c;
  --line:        rgba(242,239,226,0.09);
  --line-accent: rgba(193,19,21,0.35);

  --sans: "Montserrat", system-ui, sans-serif;
  --mono: "Montserrat", system-ui, sans-serif;

  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft:   cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  --nav-h: 72px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --container: 1280px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  scroll-behavior: smooth;
  overflow-x: clip;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; object-fit: cover; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1,h2,h3,h4 { text-wrap: balance; line-height: 1.04; letter-spacing: -0.06em; font-weight: 700; }
::selection { background: var(--accent); color: var(--bg); }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* =============================================================
   3. Utilities
   ============================================================= */
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .6rem 1rem; background: var(--accent); color: var(--bg);
  z-index: 9999; border-radius: 8px; font-weight: 700;
  transition: top .2s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

/* =============================================================
   4. Typography
   ============================================================= */
.kicker {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 400;
}

.display-xl {
  font-size: clamp(3rem, 8vw, 7.5rem);
  line-height: 0.96;
  letter-spacing: -0.06em;
  font-weight: 700;
}
.display-lg {
  font-size: clamp(2.4rem, 5vw, 5rem);
  line-height: 1;
  letter-spacing: -0.06em;
  font-weight: 700;
}
.display-md {
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  letter-spacing: -0.06em;
  font-weight: 700;
}

/* =============================================================
   5. Components
   ============================================================= */

/* — Buttons — */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 2rem;
  font-family: var(--sans); font-weight: 700; font-size: .95rem;
  letter-spacing: -.01em;
  border-radius: 100px;
  transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out), background .2s;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn-primary:hover {
  background: #33ddff;
  box-shadow: 0 8px 40px var(--accent-glow), 0 0 0 4px rgba(193,19,21,0.12);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line-accent);
}
.btn-ghost:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
}

/* — Nav — */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  transition: background .4s var(--ease-out), border-color .4s;
  border-bottom: 1px solid transparent;
}
.site-nav.is-solid {
  background: rgba(6,8,16,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
}
.nav-logo {
  display: flex; align-items: center;
}
.nav-logo img {
  height: 36px;
  width: auto;
  display: block;
}
.nav-logo .logo-dot { display: none; }
.nav-links {
  display: none;
  align-items: center; gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-size: .9rem; font-weight: 600;
  color: var(--ink-soft);
  transition: color .2s;
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute; left: 0; bottom: -3px;
  width: 0; height: 1.5px;
  background: var(--accent);
  transition: width .3s var(--ease-out);
}
.nav-links a:hover, .nav-links a.is-active { color: var(--ink); }
.nav-links a:hover::after, .nav-links a.is-active::after { width: 100%; }
.nav-cta { display: none; }


/* Lang switcher */
.lang-switcher {
  display: none;
  align-items: center;
  gap: .1rem;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .08em;
}
.lang-btn {
  background: none; border: none;
  color: var(--ink-mute);
  padding: .3rem .45rem;
  border-radius: 5px;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  letter-spacing: inherit;
  transition: color .2s, background .2s;
  text-transform: uppercase;
}
.lang-btn:hover { color: var(--ink); }
.lang-btn.is-active { color: var(--accent); font-weight: 700; }
.lang-sep { color: var(--line-accent); font-size: .65rem; }

/* Hamburger */
.nav-burger {
  display: flex; flex-direction: column; justify-content: center;
  gap: 5px; width: 36px; height: 36px;
  padding: 6px; cursor: pointer;
}
.nav-burger span {
  display: block; height: 1.5px;
  background: var(--ink);
  transition: transform .3s var(--ease-out), opacity .3s;
}
.site-nav.is-open .nav-burger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.site-nav.is-open .nav-burger span:nth-child(2) { opacity: 0; }
.site-nav.is-open .nav-burger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu */
.nav-mobile {
  position: fixed; inset: 0; z-index: 99;
  background: var(--bg);
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  gap: 2rem;
  opacity: 0; pointer-events: none;
  transition: opacity .4s var(--ease-out);
}
.site-nav.is-open ~ .nav-mobile,
.nav-mobile.is-open {
  opacity: 1; pointer-events: auto;
}
.nav-mobile a {
  font-size: clamp(2rem, 7vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink-soft);
  transition: color .2s;
}
.nav-mobile a:hover { color: var(--accent); }

/* — Cards — */
.card {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color .3s, box-shadow .3s, transform .35s var(--ease-out);
}
.card:hover {
  border-color: var(--line-accent);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(193,19,21,0.08);
  transform: translateY(-4px);
}

/* — Section label — */
.section-label {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 3rem;
}
.section-label::before {
  content: "";
  display: block; width: 32px; height: 1.5px;
  background: var(--accent);
}

/* =============================================================
   6. Sections
   ============================================================= */

/* — Hero — */
.hero {
  position: relative;
  min-height: 100vh; min-height: 100svh;
  display: flex; align-items: flex-end;
  padding-top: var(--nav-h);
  padding-bottom: clamp(4rem, 10vh, 8rem);
  overflow: hidden;
}
.hero-bg-photo {
  position: absolute; inset: 0; z-index: 0;
  background-image: url("assets/img/fondoincio.jpg");
  background-size: cover;
  background-position: center 30%;
}
.hero-bg-video {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 40%;
}
.hero-gradient {
  position: absolute; inset: -10%; z-index: 0;
  background:
    linear-gradient(115deg, rgba(0,0,0,.9) 0%, rgba(0,0,0,.65) 32%, rgba(0,0,0,.25) 55%, rgba(0,0,0,.05) 75%),
    radial-gradient(circle 800px at var(--mx, 35%) var(--my, 40%),
      var(--gradient-1) 0%, transparent 60%),
    radial-gradient(circle 600px at calc(var(--mx, 35%) + 20%) calc(var(--my, 40%) + 15%),
      var(--gradient-2) 0%, transparent 65%);
  filter: blur(50px) saturate(160%);
  opacity: .8;
  transition: opacity 1s;
}
.hero-noise {
  position: absolute; inset: 0; z-index: 1;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px;
  pointer-events: none;
}
.hero-x-mark {
  position: absolute;
  top: 50%; right: clamp(1rem, 5vw, 6rem);
  transform: translateY(-55%);
  width: clamp(340px, 40vw, 680px);
  aspect-ratio: 1.05 / 1;
  background-image: url("assets/img/logo.png");
  background-repeat: no-repeat;
  background-size: calc(100% / 0.234) 100%;
  background-position: left center;
  opacity: .14;
  z-index: 1;
  pointer-events: none;
}
@media (max-width: 959px) {
  .hero-x-mark { display: none; }
}

.hero-content {
  position: relative; z-index: 2;
  max-width: 900px;
}
.hero-kicker {
  margin-bottom: 1.5rem;
}
.hero-title {
  font-size: clamp(3.2rem, 9vw, 8.5rem);
  line-height: 0.94;
  letter-spacing: -0.04em;
  font-weight: 800;
  margin-bottom: 2rem;
}
.hero-title em {
  font-style: normal;
  color: var(--accent);
  text-shadow: 0 0 80px rgba(193,19,21,0.4);
}
.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.65;
}
.hero-actions {
  display: flex; flex-wrap: wrap; gap: 1rem;
  align-items: center;
}
.hero-scroll {
  position: absolute;
  bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  font-family: var(--mono); font-size: .65rem;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-mute);
  animation: scrollBob 2.2s ease-in-out infinite;
}
.hero-scroll::after {
  content: "";
  display: block; width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--ink-mute), transparent);
}
@keyframes scrollBob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* — Stats — */
.stats {
  padding-block: clamp(5rem, 10vh, 9rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
.stat-item {
  text-align: center;
}
.stat-value {
  font-size: clamp(3.5rem, 8vw, 6rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--accent);
  text-shadow: 0 0 60px rgba(193,19,21,0.3);
}
.stat-label {
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: .75rem;
}

/* — Services preview — */
.services-preview {
  padding-block: clamp(5rem, 10vh, 9rem);
}
.services-list {
  display: flex; flex-direction: column;
  border-top: 1px solid var(--line);
}
.service-row {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.5rem;
  align-items: start;
  padding-block: 2rem;
  border-bottom: 1px solid var(--line);
  transition: background .25s, padding-left .25s var(--ease-out);
  cursor: default;
}
.service-row:hover {
  padding-left: 1rem;
  background: rgba(193,19,21,0.03);
}
.service-num {
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--accent);
  padding-top: .3rem;
}
.service-name {
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: .35rem;
  transition: color .2s;
}
.service-row:hover .service-name { color: var(--accent); }
.service-short {
  color: var(--ink-soft);
  font-size: .95rem;
  max-width: 540px;
}
.service-arrow {
  margin-left: auto;
  font-size: 1.4rem;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity .3s, transform .3s var(--ease-out);
  align-self: center;
  grid-column: 3;
}
.service-row {
  grid-template-columns: 3rem 1fr auto;
}
.service-row:hover .service-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* — Cases preview — */
.cases-preview {
  padding-block: clamp(5rem, 10vh, 9rem);
  background: var(--bg-2);
}
.cases-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
.case-card {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  aspect-ratio: 16/9;
  display: flex; align-items: flex-end;
}
.case-card img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease-out);
  filter: saturate(0.7) brightness(0.65);
}
.case-card:hover img {
  transform: scale(1.05);
  filter: saturate(0.9) brightness(0.5);
}
.case-info {
  position: relative; z-index: 2;
  padding: 1.75rem;
  background: linear-gradient(to top, rgba(6,8,16,0.9) 0%, transparent 100%);
  width: 100%;
}
.case-category {
  font-family: var(--mono);
  font-size: .65rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .5rem;
}
.case-title {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.case-meta {
  font-size: .8rem;
  color: var(--ink-mute);
  margin-top: .4rem;
}

/* — CTA section — */
.cta-section {
  padding-block: clamp(6rem, 12vh, 11rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-bg {
  position: absolute; inset: -20%; z-index: 0;
  background:
    radial-gradient(circle 700px at 50% 50%, var(--gradient-1) 0%, transparent 55%),
    radial-gradient(circle 500px at 60% 40%, var(--gradient-2) 0%, transparent 55%);
  filter: blur(80px) saturate(150%);
  opacity: .4;
  pointer-events: none;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-title {
  margin-bottom: 1.5rem;
}
.cta-sub {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 480px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
}

/* — About section — */
.about-section {
  padding-block: clamp(5rem, 10vh, 9rem);
}
.about-grid {
  display: grid; gap: 4rem;
  grid-template-columns: 1fr;
}
.about-text h2 { margin-bottom: 1.5rem; }
.about-text p {
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 1rem;
  max-width: 580px;
}
.about-image {
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4/3;
}
.about-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(0.8) brightness(0.85);
  transition: transform .6s var(--ease-out), filter .4s;
}
.about-image:hover img {
  transform: scale(1.04);
  filter: saturate(1) brightness(0.9);
}

/* — Services page — */
.page-hero {
  padding-top: calc(var(--nav-h) + 5rem);
  padding-bottom: clamp(4rem, 8vh, 7rem);
  position: relative;
  overflow: hidden;
}
.page-hero-bg {
  position: absolute; inset: -20%; z-index: 0;
  background:
    radial-gradient(circle 600px at 20% 60%, var(--gradient-1) 0%, transparent 55%),
    radial-gradient(circle 500px at 75% 30%, var(--gradient-2) 0%, transparent 55%);
  filter: blur(80px) saturate(150%);
  opacity: .35;
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .kicker { margin-bottom: 1.25rem; }
.page-hero h1 { margin-bottom: 1.25rem; }
.page-hero h1 em {
  font-style: italic;
  color: var(--accent);
}
.page-hero p {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 520px;
  line-height: 1.7;
}

.services-full {
  padding-block: clamp(4rem, 8vh, 7rem);
}
.service-full-item {
  display: grid;
  gap: 2rem;
  padding-block: 3.5rem;
  border-bottom: 1px solid var(--line);
}
.service-full-header {
  display: flex; align-items: flex-start; gap: 1.5rem;
}
.service-full-num {
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--accent);
  min-width: 2.5rem;
  padding-top: .3rem;
}
.service-full-title {
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: .75rem;
}
.service-full-desc {
  color: var(--ink-soft);
  line-height: 1.75;
  max-width: 600px;
}
.disciplines {
  display: flex; flex-wrap: wrap; gap: .5rem;
  margin-top: 1.25rem;
}
.discipline-tag {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .08em;
  padding: .4rem 1rem;
  border: 1px solid var(--line-accent);
  border-radius: 100px;
  color: var(--accent);
}

/* — Cases page — */
.cases-full {
  padding-block: clamp(4rem, 8vh, 7rem);
}
.cases-full-grid {
  display: grid; gap: 2rem;
  grid-template-columns: 1fr;
}
.case-full-card {
  display: grid; gap: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-3);
}
.case-full-img {
  aspect-ratio: 16/7;
  overflow: hidden;
}
.case-full-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(0.75) brightness(0.75);
  transition: transform .6s var(--ease-out), filter .4s;
}
.case-full-card:hover .case-full-img img {
  transform: scale(1.04);
  filter: saturate(0.9) brightness(0.85);
}
.case-full-body {
  padding: 2rem;
}
.case-full-meta {
  display: flex; gap: 1.5rem; flex-wrap: wrap;
  margin-bottom: 1rem;
}
.case-meta-tag {
  font-family: var(--mono);
  font-size: .65rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.case-meta-tag span { color: var(--accent); }
.case-full-title {
  font-size: clamp(1.3rem, 2.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: .75rem;
}
.case-full-desc { color: var(--ink-soft); line-height: 1.7; }

/* — Contact page — */
.contact-section {
  padding-block: clamp(4rem, 8vh, 7rem);
}
.contact-grid {
  display: grid; gap: 4rem;
  grid-template-columns: 1fr;
}
.contact-info h2 { margin-bottom: 1.5rem; }
.contact-info p {
  color: var(--ink-soft);
  line-height: 1.75;
  margin-bottom: 2rem;
  max-width: 460px;
}
.contact-links {
  display: flex; flex-direction: column; gap: 1rem;
}
.contact-link {
  display: flex; align-items: center; gap: 1rem;
  font-size: .95rem; color: var(--ink-soft);
  transition: color .2s;
}
.contact-link:hover { color: var(--accent); }
.contact-link-icon {
  width: 40px; height: 40px;
  border: 1px solid var(--line-accent);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  transition: background .2s, border-color .2s;
}
.contact-link:hover .contact-link-icon {
  background: var(--accent-glow);
  border-color: var(--accent);
}

/* Form */
.contact-form {
  display: flex; flex-direction: column; gap: 1.25rem;
}
.form-group {
  display: flex; flex-direction: column; gap: .5rem;
}
.form-group label {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .85rem 1.1rem;
  color: var(--ink);
  font-family: var(--sans);
  font-size: .95rem;
  transition: border-color .25s, box-shadow .25s;
  resize: vertical;
  min-height: 48px;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(193,19,21,0.12);
}
.form-group textarea { min-height: 130px; }
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300d4ff' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}
.form-group select option { background: var(--bg-2); }

.form-submit { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.form-status {
  font-family: var(--mono); font-size: .8rem;
  color: var(--accent); opacity: 0;
  transition: opacity .3s;
}
.form-status.is-visible { opacity: 1; }

/* — Socials — */
.socials { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 2rem; }
.social-link {
  display: flex; align-items: center; gap: .5rem;
  padding: .6rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: .85rem; font-weight: 600;
  color: var(--ink-soft);
  transition: border-color .2s, color .2s, background .2s;
}
.social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* — Footer — */
.site-footer {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding-block: 3rem 2rem;
}
.footer-inner {
  display: flex; flex-direction: column; gap: 2.5rem;
}
.footer-brand {
  display: flex; align-items: center;
}
.footer-brand img {
  height: 28px;
  width: auto;
}
.footer-brand .logo-dot { display: none; }
.footer-links {
  display: flex; flex-wrap: wrap; gap: 1rem 2.5rem;
  list-style: none;
}
.footer-links a {
  font-size: .88rem;
  color: var(--ink-soft);
  transition: color .2s;
}
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; flex-direction: column; gap: .5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .05em;
  color: var(--ink-mute);
}
.footer-credits a {
  color: var(--ink-mute); text-decoration: underline;
  text-underline-offset: 3px; transition: color .2s;
}
.footer-credits a:hover { color: var(--accent); }

/* =============================================================
   7. Effects & animations
   ============================================================= */

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.reveal[data-split] {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* Count-up number glow pulse */
@keyframes accentPulse {
  0%, 100% { text-shadow: 0 0 60px rgba(193,19,21,0.4); }
  50% { text-shadow: 0 0 100px rgba(193,19,21,0.7), 0 0 20px rgba(193,19,21,0.5); }
}
.stat-value.is-done { animation: accentPulse 3s ease-in-out infinite; }

/* View transitions */
@view-transition { navigation: auto; }
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: .55s;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}
::view-transition-old(root) { animation-name: fadeOut; }
::view-transition-new(root) { animation-name: fadeIn; }
@keyframes fadeOut { to { opacity: 0; transform: translateY(-8px); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } }

/* =============================================================
   8. Responsive
   ============================================================= */

/* — Mobile-first base tweaks (< 480px) — */
@media (max-width: 479px) {
  :root { --nav-h: 60px; }

  /* Hero */
  .hero {
    align-items: flex-start;
    padding-top: calc(var(--nav-h) + 2.5rem);
    padding-bottom: 4rem;
    min-height: 100svh;
  }
  .hero-title {
    font-size: clamp(2.6rem, 14vw, 3.5rem);
    line-height: 0.96;
    margin-bottom: 1.5rem;
  }
  .hero-sub { font-size: .97rem; margin-bottom: 2rem; }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn { text-align: center; justify-content: center; }
  .hero-scroll { display: none; }

  /* Display type scale */
  .display-xl { font-size: clamp(2.4rem, 12vw, 3.2rem); }
  .display-lg { font-size: clamp(2rem, 10vw, 2.8rem); }
  .display-md { font-size: clamp(1.6rem, 8vw, 2.2rem); }

  /* Stats */
  .stats { padding-block: 3.5rem; }
  .stat-value { font-size: clamp(3rem, 14vw, 4rem); }

  /* Services list rows */
  .service-row {
    grid-template-columns: 2.5rem 1fr;
    gap: 1rem;
    padding-block: 1.5rem;
  }
  .service-arrow { display: none; }
  .service-name { font-size: 1.25rem; }

  /* Cases cards */
  .case-card { aspect-ratio: 4/3; }
  .case-info { padding: 1.25rem; }

  /* Page hero */
  .page-hero { padding-top: calc(var(--nav-h) + 3rem); padding-bottom: 3rem; }

  /* Services full */
  .service-full-item { padding-block: 2.5rem; }
  .service-full-title { font-size: 1.4rem; }

  /* Cases full */
  .case-full-img { aspect-ratio: 16/9; }
  .case-full-body { padding: 1.5rem; }

  /* Contact */
  .contact-link { font-size: .88rem; }

  /* CTA section */
  .cta-section { padding-block: 4.5rem; }
  .cta-sub { font-size: .97rem; }

  /* Buttons full-width in CTA */
  .cta-section .btn { width: 100%; justify-content: center; }

  /* Footer */
  .footer-inner { gap: 2rem; }
  .footer-links { gap: .75rem 1.5rem; }
  .footer-bottom { gap: .4rem; }

  /* Sections spacing */
  .services-preview,
  .cases-preview,
  .about-section { padding-block: 3.5rem; }
  .section-label { margin-bottom: 2rem; }
}

/* — Small phones (< 360px) — */
@media (max-width: 359px) {
  .hero-title { font-size: 2.4rem; }
  .display-xl { font-size: 2.2rem; }
}

@media (min-width: 480px) and (max-width: 719px) {
  .hero-actions { flex-wrap: wrap; }
  .service-row { grid-template-columns: 3rem 1fr; }
  .service-arrow { display: none; }
}

@media (min-width: 540px) {
  .cases-full-grid { grid-template-columns: 1fr; }
}

@media (min-width: 720px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-full-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr 1fr; align-items: center; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-burger { display: none; }
  .lang-switcher { display: flex; }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .service-full-item { grid-template-columns: 1fr 1fr; align-items: start; }
}

@media (min-width: 1280px) {
  .cases-full-grid { grid-template-columns: repeat(2, 1fr); }
}

/* =============================================================
   9. Reduced-motion (intrusive effects only)
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .hero-scroll { animation: none; }
  .stat-value.is-done { animation: none; }
}