/* IR Bau Deko — Website */
:root {
  --anthracite-950: #0f131c;
  --anthracite-900: #161b27;
  --anthracite-800: #1f2633;
  --anthracite-700: #2a3342;
  --anthracite-600: #3d4656;
  --anthracite-400: #6b7486;
  --anthracite-300: #9099a8;

  --blue-600: #2563eb;
  --blue-500: #3b82f6;   /* logo blue */
  --blue-400: #60a5fa;
  --blue-100: #dbeafe;
  --blue-50:  #eff6ff;

  --white: #ffffff;
  --off-white: #fafbfc;
  --line: #e6e9ef;
  --line-strong: #d1d6e0;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 2px rgba(15,19,28,.04), 0 1px 1px rgba(15,19,28,.03);
  --shadow-md: 0 4px 16px -4px rgba(15,19,28,.08), 0 2px 6px rgba(15,19,28,.04);
  --shadow-lg: 0 24px 48px -16px rgba(15,19,28,.18), 0 8px 20px -8px rgba(15,19,28,.08);
  --shadow-blue: 0 20px 40px -12px rgba(37, 99, 235, .35);

  --ease-out: cubic-bezier(.22,.61,.36,1);
  --ease-in-out: cubic-bezier(.65,.05,.36,1);

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--anthracite-900);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

/* ---------- Utilities ---------- */
.container { width: min(1200px, 100%); margin-inline: auto; padding-inline: 32px; }
@media (max-width: 600px) { .container { padding-inline: 20px; } }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue-600);
  font-weight: 500;
}
.eyebrow::before {
  content: '';
  width: 28px; height: 1px; background: var(--blue-500);
}
.eyebrow.light { color: var(--blue-400); }
.eyebrow.light::before { background: var(--blue-400); }

h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; color: var(--anthracite-900); }
h2 { font-size: clamp(32px, 4vw, 52px); }
h3 { font-size: 22px; letter-spacing: -0.01em; }
.display-italic { font-family: var(--font-display); font-style: italic; font-weight: 500; color: var(--blue-500); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px;
  font-weight: 500; font-size: 15px;
  border-radius: 999px;
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out), background .25s, color .25s;
  position: relative; overflow: hidden;
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue-500); color: white;
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover { background: var(--blue-600); transform: translateY(-2px); box-shadow: 0 28px 48px -12px rgba(37, 99, 235, .45); }
.btn-primary .arrow { transition: transform .3s var(--ease-out); }
.btn-primary:hover .arrow { transform: translateX(4px); }

.btn-ghost {
  background: transparent; color: var(--anthracite-900);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover { border-color: var(--anthracite-900); transform: translateY(-2px); }
.btn-ghost.on-dark { color: white; border-color: rgba(255,255,255,.3); }
.btn-ghost.on-dark:hover { border-color: white; background: rgba(255,255,255,.06); }

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background .3s var(--ease-out), backdrop-filter .3s, border-color .3s, padding .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
  padding: 12px 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.nav-logo-slot {
  /* reserves room in the nav row where the MorphLogo lands when scrolled */
  width: 140px; height: 44px; flex-shrink: 0;
  transition: width .3s var(--ease-out), height .3s var(--ease-out);
}
.nav.scrolled .nav-logo-slot { width: 130px; height: 40px; }
@media (max-width: 880px) {
  .nav-logo-slot { width: 100px; }
  .nav.scrolled .nav-logo-slot { width: 96px; }
}
.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-link {
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,.82);
  border-radius: 999px;
  transition: color .2s, background .2s;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.12); }
.nav.scrolled .nav-link { color: var(--anthracite-700); }
.nav.scrolled .nav-link:hover { color: var(--blue-600); background: var(--blue-50); }
.nav .btn { padding: 11px 20px; font-size: 14px; }

.nav-mobile-toggle { display: none; width: 44px; height: 44px; border-radius: 8px; align-items: center; justify-content: center; }
.nav-mobile-toggle span { width: 20px; height: 1.5px; background: #ffffff; display: block; position: relative; transition: background .25s; }
.nav-mobile-toggle span::before, .nav-mobile-toggle span::after {
  content: ''; position: absolute; left: 0; width: 20px; height: 1.5px; background: #ffffff;
  transition: top .25s var(--ease-out), transform .25s var(--ease-out), background .25s;
}
.nav-mobile-toggle span::before { top: -6px; }
.nav-mobile-toggle span::after { top: 6px; }
.nav.scrolled:not(.menu-open) .nav-mobile-toggle span,
.nav.scrolled:not(.menu-open) .nav-mobile-toggle span::before,
.nav.scrolled:not(.menu-open) .nav-mobile-toggle span::after { background: var(--anthracite-900); }
.nav-mobile-toggle.open span { background: transparent !important; }
.nav-mobile-toggle.open span::before { top: 0; transform: rotate(45deg); }
.nav-mobile-toggle.open span::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }
  .nav .btn { display: none; }
}

/* ---------- Mobile menu overlay ---------- */
.nav-inner { position: relative; z-index: 2; }
.nav.menu-open {
  z-index: 120;
  background: transparent;
  border-bottom-color: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.mobile-menu {
  position: fixed; inset: 0; z-index: 1;
  display: none;
  flex-direction: column; justify-content: center; gap: 0;
  padding: 110px 32px 48px;
  background:
    radial-gradient(ellipse 90% 60% at 20% 10%, rgba(59,130,246,.16), transparent 60%),
    linear-gradient(180deg, var(--anthracite-950) 0%, var(--anthracite-900) 100%);
  opacity: 0; pointer-events: none;
  transition: opacity .35s var(--ease-out);
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
@media (max-width: 880px) { .mobile-menu { display: flex; } }
.mobile-menu .mm-link {
  font-size: clamp(28px, 8vw, 40px);
  font-weight: 500; letter-spacing: -0.02em; line-height: 1.2;
  color: #ffffff;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  opacity: 0; transform: translateY(14px);
  transition: opacity .45s var(--ease-out), transform .45s var(--ease-out);
}
.mobile-menu.open .mm-link { opacity: 1; transform: none; }
.mobile-menu.open .mm-link:nth-child(1) { transition-delay: .05s; }
.mobile-menu.open .mm-link:nth-child(2) { transition-delay: .1s; }
.mobile-menu.open .mm-link:nth-child(3) { transition-delay: .15s; }
.mobile-menu.open .mm-link:nth-child(4) { transition-delay: .2s; }
.mobile-menu.open .mm-link:nth-child(5) { transition-delay: .25s; }
.mobile-menu .mm-link .mm-num { font-family: var(--font-mono); font-size: 13px; color: var(--blue-400); }
.mobile-menu .mm-cta {
  margin-top: 32px; align-self: flex-start;
  opacity: 0; transform: translateY(14px);
  transition: opacity .45s var(--ease-out) .32s, transform .45s var(--ease-out) .32s;
}
.mobile-menu.open .mm-cta { opacity: 1; transform: none; }
@media (max-width: 880px) { .nav .mm-cta { display: inline-flex; } }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 90% 60% at 20% 20%, rgba(59,130,246,.18), transparent 60%),
    radial-gradient(ellipse 70% 50% at 85% 80%, rgba(59,130,246,.08), transparent 60%),
    linear-gradient(180deg, var(--anthracite-950) 0%, var(--anthracite-900) 100%);
  color: white;
  overflow: hidden;
  display: flex; align-items: center;
  padding: 140px 0 100px;
}

/* hero background photo */
.hero-photo {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center 35%;
  z-index: 0;
  pointer-events: none;
}
.hero-overlay {
  position: absolute; inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 90% 70% at 25% 35%, rgba(22,27,39,.55), transparent 72%),
    linear-gradient(180deg, rgba(22,27,39,.82) 0%, rgba(22,27,39,.55) 42%, rgba(22,27,39,.90) 100%);
}

/* background grid pattern */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  pointer-events: none;
}

.hero-center {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 60vh;
}
.hero-copy {
  width: 100%;
  max-width: 720px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-copy h1 {
  font-size: clamp(44px, 6vw, 84px);
  color: white;
  font-weight: 500;
  letter-spacing: -0.035em;
  margin: 20px 0 28px;
  text-wrap: balance;
}
.hero-copy h1 .line { display: block; overflow: hidden; }
.hero-copy h1 .word { display: inline-block; }
@keyframes heroWord { to { transform: translateY(0); opacity: 1; } }

.hero-lead {
  font-size: 18px;
  color: var(--anthracite-300);
  max-width: 560px;
  margin: 0 auto 36px;
}
.hero-ctas { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

/* Entrance animations — gated so print, PDF and reduced-motion users see the final state */
@media screen and (prefers-reduced-motion: no-preference) {
  .hero-copy h1 .word { transform: translateY(110%); opacity: 0; animation: heroWord .9s var(--ease-out) forwards; }
  .hero-copy h1 .word:nth-child(1) { animation-delay: .15s; }
  .hero-copy h1 .word:nth-child(2) { animation-delay: .25s; }
  .hero-copy h1 .word:nth-child(3) { animation-delay: .35s; }
  .hero-copy h1 .word:nth-child(4) { animation-delay: .45s; }
  .hero-copy h1 .word:nth-child(5) { animation-delay: .55s; }
  .hero-copy .eyebrow { opacity: 0; transform: translateY(12px); animation: fadeUp .8s var(--ease-out) .05s forwards; }
  .hero-lead { opacity: 0; transform: translateY(12px); animation: fadeUp .8s var(--ease-out) .7s forwards; }
  .hero-ctas { opacity: 0; transform: translateY(12px); animation: fadeUp .8s var(--ease-out) .8s forwards; }
  .hero-meta { opacity: 0; animation: fadeUp .8s var(--ease-out) 1s forwards; }
  .scroll-cue { opacity: 0; animation: fadeUp 1s var(--ease-out) 1.4s forwards; }
  .morph-logo { opacity: 0; animation: morphLogoIn 1.2s var(--ease-out) .4s forwards; }
}

.hero-meta {
  margin: 64px auto 0;
  max-width: 600px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 28px;
}
.hero-meta .stat .num { font-size: 32px; font-weight: 500; letter-spacing: -0.03em; color: white; font-family: var(--font-display); font-style: italic; }
.hero-meta .stat .num .plus { color: var(--blue-400); }
.hero-meta .stat .label { font-size: 12px; color: var(--anthracite-300); letter-spacing: .08em; text-transform: uppercase; margin-top: 4px; }

/* ---------- Morph Logo (hero → nav home button) ---------- */
.morph-logo {
  /* Interpolation between two states driven by --p (0 = hero, 1 = nav) */
  --p: 0;

  /* Hero state (large, left side, vertically centered around hero text) */
  --start-top: 50vh;
  --start-left: clamp(140px, 16vw, 240px);
  --start-w: clamp(220px, 24vw, 320px);

  /* Nav state (small, top-left, inside the nav-logo-slot) */
  --end-top: 33px;
  --end-left: max(98px, calc(32px + 65px));
  --end-w: 130px;

  position: fixed;
  top: calc(var(--start-top) + (var(--end-top) - var(--start-top)) * var(--p));
  left: calc(var(--start-left) + (var(--end-left) - var(--start-left)) * var(--p));
  width: calc(var(--start-w) + (var(--end-w) - var(--start-w)) * var(--p));
  transform: translate(-50%, -50%);
  z-index: 110;
  display: block;
  cursor: pointer;
  filter: drop-shadow(0 20px 40px rgba(59,130,246,.35));
  transition: filter .4s var(--ease-out);
}
.morph-logo img {
  width: 100%;
  height: auto;
  display: block;
  pointer-events: none;
}
.morph-logo.is-nav {
  filter: drop-shadow(0 4px 10px rgba(0,0,0,.18));
}
@keyframes morphLogoIn {
  from { opacity: 0; transform: translate(-50%, -40%) scale(.94); }
  to   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@media (max-width: 960px) {
  .morph-logo {
    --start-top: 38vh;
    --start-left: 50vw;
    --start-w: clamp(180px, 50vw, 260px);
    --end-top: 30px;
    --end-left: 82px;
    --end-w: 110px;
  }
  /* hero text drops below the logo on mobile */
  .hero { padding-top: max(48vh, 380px); padding-bottom: 80px; min-height: auto; }
}
@media (max-width: 600px) {
  .morph-logo {
    --start-w: clamp(160px, 60vw, 220px);
    --end-w: 96px;
    --end-left: 70px;
  }
}

/* floating service badges around logo */
.hero-badge {
  position: absolute;
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.14);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 13px;
  color: white;
  display: inline-flex; align-items: center; gap: 8px;
  z-index: 3;
  animation: float 5s ease-in-out infinite;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 999px; background: var(--blue-400); }
.hero-badge.b1 { top: 8%; left: -4%; animation-delay: 0s; }
.hero-badge.b2 { top: 38%; right: -8%; animation-delay: -1.5s; }
.hero-badge.b3 { bottom: 12%; left: 6%; animation-delay: -3s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* scroll cue */
.scroll-cue {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: 11px; color: var(--anthracite-300);
  letter-spacing: .18em; text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.scroll-cue .bar { width: 1px; height: 40px; background: linear-gradient(180deg, transparent, var(--blue-400)); position: relative; overflow: hidden; }
.scroll-cue .bar::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 40%; background: var(--blue-400); animation: scrollDown 2s var(--ease-in-out) infinite; }
@keyframes scrollDown { 0% { transform: translateY(-100%); } 100% { transform: translateY(250%); } }

/* ---------- Sections generic ---------- */
section.pad { padding: 120px 0; }
section[id] { scroll-margin-top: 80px; }
@media (max-width: 720px) { section.pad { padding: 80px 0; } }

.section-head { max-width: 720px; margin-bottom: 64px; }
.section-head h2 { margin: 16px 0 16px; }
.section-head p { color: var(--anthracite-600); font-size: 18px; max-width: 560px; }

/* Reveal on scroll — hidden start state only when motion is allowed */
.reveal { transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); }
@media screen and (prefers-reduced-motion: no-preference) {
  .reveal:not(.in) { opacity: 0; transform: translateY(28px); }
}
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }
.reveal.d5 { transition-delay: .4s; }

/* ---------- Services ---------- */
.services { background: var(--off-white); position: relative; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 960px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .services-grid { grid-template-columns: 1fr; } }

.service-card {
  position: relative;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  overflow: hidden;
  transition: border-color .4s var(--ease-out), transform .4s var(--ease-out), box-shadow .4s var(--ease-out);
  cursor: pointer;
  display: flex; flex-direction: column; gap: 16px;
  min-height: 280px;
}
.service-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(160deg, var(--blue-500) 0%, var(--blue-600) 100%);
  opacity: 0;
  transition: opacity .4s var(--ease-out);
  z-index: 0;
}
.service-card:hover { transform: translateY(-6px); border-color: transparent; box-shadow: var(--shadow-lg); }
.service-card:hover::before { opacity: 1; }
.service-card > * { position: relative; z-index: 1; }

.service-card .num {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--anthracite-400); letter-spacing: .1em;
  transition: color .4s;
}
.service-card .ico {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--blue-50);
  display: grid; place-items: center;
  color: var(--blue-600);
  transition: background .4s, color .4s, transform .4s var(--ease-out);
}
.service-card .ico svg { width: 28px; height: 28px; }
.service-card h3 { transition: color .4s; margin-top: 4px; }
.service-card p { color: var(--anthracite-600); font-size: 14.5px; transition: color .4s; }
.service-card .tag {
  align-self: flex-start; margin-top: auto;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--blue-600); letter-spacing: .08em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 8px;
  transition: color .4s, gap .4s;
}
.service-card .tag svg { width: 12px; height: 12px; transition: transform .4s; }
.service-card:hover .num,
.service-card:hover h3,
.service-card:hover p,
.service-card:hover .tag { color: white; }
.service-card:hover .ico { background: rgba(255,255,255,.18); color: white; transform: scale(1.05) rotate(-4deg); }
.service-card:hover .tag { gap: 12px; }
.service-card:hover .tag svg { transform: translateX(3px); }

/* featured larger card */
.service-card.featured { grid-column: span 2; background: var(--anthracite-900); color: white; border-color: var(--anthracite-800); }
.service-card.featured .num, .service-card.featured p { color: var(--anthracite-300); }
.service-card.featured h3 { color: white; font-size: 26px; }
.service-card.featured .ico { background: rgba(255,255,255,.08); color: var(--blue-400); }
.service-card.featured .tag { color: var(--blue-400); }
.service-card.featured::before { background: linear-gradient(160deg, var(--blue-600) 0%, var(--blue-500) 100%); }
@media (max-width: 960px) { .service-card.featured { grid-column: span 2; } }
@media (max-width: 960px) and (min-width: 601px) { .service-card.featured:last-child { grid-column: span 1; } }
@media (max-width: 600px) { .service-card.featured { grid-column: span 1; } }

/* ---------- About / Split ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 960px) { .about-grid { grid-template-columns: 1fr; gap: 48px; } }
/* About image slider */
.about-slider {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--anthracite-900);
  aspect-ratio: 3 / 2;
}
.about-slides {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform .55s var(--ease-out);
}
.about-slide {
  flex: 0 0 100%;
  height: 100%;
  position: relative;
}
.about-slide > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* Bauleiter slide: portrait + caption side by side */
.bauleiter-slide {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: white;
}
.bauleiter-slide > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 22%;
  display: block;
}
.bauleiter-meta {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 28px 32px;
}
.bauleiter-meta .eyebrow { margin-bottom: 6px; }
.bauleiter-meta .role {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(24px, 3vw, 34px);
  color: var(--anthracite-900);
  line-height: 1.1;
}
.bauleiter-meta .note {
  font-size: 15px;
  color: var(--anthracite-600);
  line-height: 1.5;
  max-width: 26ch;
}
@media (max-width: 480px) {
  .bauleiter-meta { padding: 16px 18px; }
  .bauleiter-meta .note { font-size: 13px; }
}
@media (max-width: 600px) {
  .about-slider { aspect-ratio: 1 / 1; }
  .bauleiter-meta { padding: 14px 14px 52px; gap: 6px; overflow-y: auto; }
  .bauleiter-meta .role { font-size: 20px; }
  .bauleiter-meta .note { font-size: 12px; max-width: none; }
}
/* Arrows */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: none;
  background: rgba(22,27,39,.35);
  color: white;
  display: grid;
  place-items: center;
  cursor: pointer;
  backdrop-filter: blur(3px);
  transition: background .2s, opacity .2s;
  opacity: .55;
  z-index: 2;
}
.slider-arrow:hover { background: rgba(22,27,39,.7); opacity: 1; }
.slider-arrow svg { width: 18px; height: 18px; }
.slider-arrow.prev { left: 12px; }
.slider-arrow.prev svg { transform: rotate(180deg); }
.slider-arrow.next { right: 12px; }
@media (max-width: 600px) {
  .slider-arrow { top: auto; bottom: 12px; transform: none; width: 36px; height: 36px; background: rgba(22,27,39,.55); opacity: .95; }
  .slider-arrow.prev { left: auto; right: 58px; }
  .slider-arrow.next { right: 12px; }
}
/* Dots */
.slider-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
  background: rgba(22,27,39,.4);
  padding: 7px 11px;
  border-radius: 999px;
  backdrop-filter: blur(3px);
}
@media (max-width: 600px) { .slider-dots { left: 12px; transform: none; bottom: 18px; } }
.slider-dots button {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: none;
  padding: 0;
  background: rgba(255,255,255,.55);
  cursor: pointer;
  transition: background .2s, width .2s;
}
.slider-dots button.active {
  background: white;
  width: 22px;
  border-radius: 5px;
}

.about-list { margin-top: 32px; display: flex; flex-direction: column; gap: 20px; }
.about-list .item { display: grid; grid-template-columns: 36px 1fr; gap: 16px; align-items: start; }
.about-list .item .check {
  width: 32px; height: 32px; border-radius: 50%; background: var(--blue-50);
  display: grid; place-items: center; color: var(--blue-600);
  flex-shrink: 0;
}
.about-list .item .check svg { width: 16px; height: 16px; }
.about-list .item h4 { font-size: 16px; margin-bottom: 4px; }
.about-list .item p { font-size: 14.5px; color: var(--anthracite-600); }

/* ---------- Process ---------- */
.process { background: var(--anthracite-950); color: white; position: relative; overflow: hidden; }
.process::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(59,130,246,.15), transparent 60%);
  pointer-events: none;
}
.process h2 { color: white; }
.process .section-head p { color: var(--anthracite-300); }
.process-steps {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  position: relative;
}
@media (max-width: 900px) { .process-steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .process-steps { grid-template-columns: 1fr; } }
.step {
  background: rgba(255,255,255,.02);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .4s var(--ease-out), background .4s, border-color .4s;
}
.step:hover { transform: translateY(-4px); background: rgba(59,130,246,.06); border-color: rgba(96,165,250,.3); }
.step-photo {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--anthracite-900);
}
.step-photo img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease-out);
}
.step:hover .step-photo img { transform: scale(1.06); }
.step-photo::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(15,18,26,.85) 100%);
}
.step-num {
  position: absolute; left: 16px; bottom: 12px; z-index: 1;
  font-family: var(--font-display); font-style: italic;
  font-size: 44px; color: white; line-height: 1;
  text-shadow: 0 2px 12px rgba(0,0,0,.4);
}
.step-body { padding: 22px 22px 26px; }
.step-body h3 { color: white; font-size: 18px; margin-bottom: 8px; }
.step-body p { color: var(--anthracite-300); font-size: 14.5px; }

/* ---------- Projects ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 300px 300px;
  gap: 16px;
}
@media (max-width: 900px) {
  .projects-grid { grid-template-columns: 1fr 1fr; grid-template-rows: repeat(3, 240px); }
  .projects-grid .p1 { grid-column: span 2; }
}
@media (max-width: 560px) {
  .projects-grid { grid-template-columns: 1fr; grid-template-rows: repeat(5, 220px); }
  .projects-grid .p1 { grid-column: span 1; }
}
.project {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: var(--anthracite-800);
  transition: transform .5s var(--ease-out);
}
.project:hover { transform: translateY(-4px); }
.projects-photos {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 420px;
  gap: 16px;
}
@media (max-width: 900px) {
  .projects-photos { grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(2, 340px); }
  .projects-photos .photo-1 { grid-column: span 2; }
}
@media (max-width: 560px) {
  .projects-photos { grid-template-columns: 1fr; grid-template-rows: repeat(3, 300px); }
  .projects-photos .photo-1 { grid-column: span 1; }
}
.project .project-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease-out);
}
.project:hover .project-img { transform: scale(1.06); }
.project .ph.v1 {
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,.06) 0 2px, transparent 2px 28px),
    linear-gradient(160deg, var(--anthracite-700), var(--anthracite-900));
}
.project .ph.v2 {
  background:
    repeating-linear-gradient(0deg, rgba(59,130,246,.08) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(90deg, rgba(59,130,246,.08) 0 1px, transparent 1px 22px),
    linear-gradient(180deg, var(--anthracite-800), var(--anthracite-900));
}
.project .ph.v3 {
  background:
    repeating-linear-gradient(-45deg, rgba(255,255,255,.05) 0 2px, transparent 2px 24px),
    linear-gradient(200deg, var(--blue-600), var(--anthracite-900) 70%);
}
.project .ph.v4 {
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,.04) 0 2px, transparent 2px 32px),
    linear-gradient(180deg, var(--anthracite-700), var(--anthracite-950));
}
.project .ph.v5 {
  background:
    radial-gradient(circle at 30% 40%, rgba(59,130,246,.2), transparent 50%),
    linear-gradient(180deg, var(--anthracite-800), var(--anthracite-900));
}
.project .cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 24px;
  background: linear-gradient(180deg, transparent 0%, rgba(15,19,28,.9) 100%);
  color: white;
  display: flex; justify-content: space-between; align-items: flex-end; gap: 16px;
}
.project .cap .t { font-size: 11px; font-family: var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--blue-400); margin-bottom: 6px; }
.project .cap h4 { color: white; font-size: 20px; }
.project .cap .go {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,.1); backdrop-filter: blur(8px);
  display: grid; place-items: center; color: white;
  transform: rotate(-45deg);
  transition: transform .4s var(--ease-out), background .4s;
  flex-shrink: 0;
}
.project:hover .cap .go { transform: rotate(0); background: var(--blue-500); }
.project .placeholder-stamp {
  position: absolute; top: 16px; left: 16px;
  font-family: var(--font-mono); font-size: 10px;
  color: rgba(255,255,255,.5); letter-spacing: .12em; text-transform: uppercase;
  background: rgba(0,0,0,.35);
  padding: 6px 10px; border-radius: 6px;
  border: 1px dashed rgba(255,255,255,.2);
}

/* ---------- CTA / Contact ---------- */
.cta {
  background: linear-gradient(160deg, var(--blue-600) 0%, var(--blue-500) 100%);
  color: white; position: relative; overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 100% 0%, rgba(255,255,255,.18), transparent 60%);
}
.cta-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; position: relative; align-items: center; }
@media (max-width: 900px) { .cta-grid { grid-template-columns: 1fr; gap: 40px; } }
.cta h2 { color: white; font-size: clamp(36px, 4.4vw, 60px); }
.cta .lead { font-size: 18px; color: rgba(255,255,255,.85); margin: 20px 0 32px; max-width: 520px; }
.cta .btn-primary { background: white; color: var(--blue-600); box-shadow: 0 20px 40px -12px rgba(0,0,0,.3); }
.cta .btn-primary:hover { background: var(--anthracite-900); color: white; }
.cta .btn-ghost.on-dark { border-color: rgba(255,255,255,.4); color: white; }

.contact-card {
  background: white; color: var(--anthracite-900);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 40px 80px -20px rgba(0,0,0,.3);
}
.contact-card h3 { margin-bottom: 4px; font-size: 20px; }
.contact-card .sub { color: var(--anthracite-600); font-size: 14px; margin-bottom: 24px; }
.contact-row {
  display: grid; grid-template-columns: 40px 1fr; gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.contact-row:first-of-type { border-top: 0; padding-top: 0; }
.contact-row .ic { width: 36px; height: 36px; border-radius: 10px; background: var(--blue-50); color: var(--blue-600); display: grid; place-items: center; }
.contact-row .ic svg { width: 18px; height: 18px; }
.contact-row .label { font-size: 11px; font-family: var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--anthracite-400); margin-bottom: 2px; }
.contact-row .val { font-size: 15px; color: var(--anthracite-900); font-weight: 500; }
.contact-row .val a:hover { color: var(--blue-600); }

/* ---------- Footer ---------- */
.footer { background: var(--anthracite-950); color: var(--anthracite-300); padding: 80px 0 40px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.08); }
@media (max-width: 820px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-top { grid-template-columns: 1fr; gap: 32px; } }
.footer-brand img { height: 52px; width: auto; }
.footer-brand p { margin-top: 20px; font-size: 14px; max-width: 320px; }
.footer-col h5 { color: white; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 18px; font-weight: 600; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14px; transition: color .2s; }
.footer-col a:hover { color: var(--blue-400); }
.footer-bottom {
  padding-top: 28px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  font-size: 13px; color: var(--anthracite-400);
}
.footer-bottom .mini { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.footer-bottom .mini a { color: inherit; transition: color .2s; }
.footer-bottom .mini a:hover { color: var(--blue-400); }
/* Contact form */
.cform-wrap { grid-column: 1 / -1; }
.cform {
  background: white; color: var(--anthracite-900);
  border-radius: var(--radius-lg); padding: 32px 34px;
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; gap: 16px;
}
.cform h3 { font-size: 20px; font-weight: 600; }
.cform-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
@media (max-width: 700px) { .cform-grid { grid-template-columns: 1fr; } }
.cform label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 600; color: var(--anthracite-700, var(--anthracite-900)); }
.cform input, .cform select, .cform textarea {
  font: inherit; font-weight: 400; font-size: 15px;
  padding: 11px 14px; border: 1px solid var(--line); border-radius: 10px;
  background: #fafbfd; color: var(--anthracite-900); width: 100%;
}
.cform textarea { resize: vertical; }
.cform input:focus, .cform select:focus, .cform textarea:focus { outline: 2px solid var(--blue-500); outline-offset: 0; border-color: var(--blue-500); background: white; }
.cform-consent { flex-direction: row !important; align-items: flex-start; gap: 10px !important; font-weight: 400 !important; font-size: 13px; color: var(--anthracite-600); line-height: 1.5; }
.cform-consent input { width: 16px; height: 16px; margin-top: 2px; flex-shrink: 0; }
.cform-consent a { color: var(--blue-600); text-decoration: underline; }
.cform-foot { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.cform button.btn { border: none; cursor: pointer; font: inherit; }
.cta .cform .btn-primary { background: var(--blue-600); color: white; }
.cta .cform .btn-primary:hover { background: var(--blue-500); }
.cform-sent { font-size: 13px; color: var(--blue-600); font-weight: 500; }
.ds-overlay { position: fixed; inset: 0; background: rgba(22,27,39,.6); z-index: 100; display: grid; place-items: center; padding: 24px; }
.ds-modal { position: relative; width: min(860px, 100%); height: min(80vh, 900px); background: white; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.ds-modal iframe { width: 100%; height: 100%; border: none; display: block; }
.ds-close { position: absolute; top: 12px; right: 12px; width: 38px; height: 38px; border-radius: 50%; border: none; background: var(--anthracite-900); color: white; display: grid; place-items: center; cursor: pointer; z-index: 2; }
.ds-close svg { width: 18px; height: 18px; }

/* ---------- Instagram CTA (in projects head) ---------- */
.section-head-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  max-width: none;
  flex-wrap: wrap;
}
.section-head-row > div:first-child { max-width: 720px; }

.ig-cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px 14px 16px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow-md);
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out), border-color .3s;
  flex-shrink: 0;
}
.ig-cta:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.ig-cta .ig-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #feda75 0%, #fa7e1e 25%, #d62976 50%, #962fbf 75%, #4f5bd5 100%);
  color: white;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.ig-cta .ig-icon svg { width: 20px; height: 20px; }
.ig-cta .ig-text { display: flex; flex-direction: column; line-height: 1.2; }
.ig-cta .ig-label { font-size: 14px; font-weight: 600; color: var(--anthracite-900); }
.ig-cta .ig-handle { font-size: 12px; color: var(--anthracite-600); font-family: var(--font-mono); margin-top: 2px; }
.ig-cta .ig-arrow { color: var(--anthracite-400); transition: transform .3s var(--ease-out), color .3s; }
.ig-cta .ig-arrow svg { width: 14px; height: 14px; }
.ig-cta:hover .ig-arrow { transform: translate(3px, -3px); color: var(--blue-600); }

@media (max-width: 600px) {
  .section-head-row { flex-direction: column; align-items: flex-start; }
  .ig-cta { align-self: stretch; justify-content: flex-start; }
}

/* ---------- Service Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(15,19,28,.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: grid; place-items: center;
  padding: 24px;
  animation: modalBdIn .25s ease-out;
}
@keyframes modalBdIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: white;
  color: var(--anthracite-900);
  border-radius: 22px;
  width: 100%;
  max-width: 580px;
  max-height: 88vh;
  overflow-y: auto;
  padding: 40px;
  position: relative;
  box-shadow: 0 40px 80px -20px rgba(0,0,0,.45);
  animation: modalIn .4s var(--ease-out);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-close {
  position: absolute;
  top: 18px; right: 18px;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--off-white);
  color: var(--anthracite-700);
  display: grid; place-items: center;
  transition: background .2s, color .2s, transform .2s;
}
.modal-close svg { width: 18px; height: 18px; }
.modal-close:hover { background: var(--blue-500); color: white; transform: rotate(90deg); }

.modal-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 22px;
  padding-right: 44px;
}
.modal-ico {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--blue-50);
  color: var(--blue-600);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.modal-ico svg { width: 28px; height: 28px; }

.modal-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--anthracite-400);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.modal h3 {
  font-size: 26px;
  letter-spacing: -0.02em;
  margin: 0;
}

.modal-desc {
  font-size: 16px;
  color: var(--anthracite-600);
  line-height: 1.65;
  margin-bottom: 24px;
}

.modal-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--off-white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  margin-bottom: 28px;
}
.modal-highlights li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14.5px;
  color: var(--anthracite-900);
}
.modal-highlights .check-pill {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--blue-500);
  color: white;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.modal-highlights .check-pill svg { width: 14px; height: 14px; }

.modal-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.modal-cta .btn-ghost { color: var(--anthracite-900); border-color: var(--line-strong); }

.service-card { cursor: pointer; }
.service-card:focus-visible { outline: 2px solid var(--blue-500); outline-offset: 4px; }

@media (max-width: 560px) {
  .modal { padding: 28px 22px; border-radius: 18px; }
  .modal h3 { font-size: 22px; }
  .modal-head { gap: 14px; }
  .modal-ico { width: 48px; height: 48px; }
  .modal-ico svg { width: 24px; height: 24px; }
  .modal-cta .btn { width: 100%; }
}

/* ---------- Floating WhatsApp button ---------- */
.wa-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: 0;
  height: 60px;
  min-width: 60px;
  border-radius: 999px;
  background: #25D366;
  color: white;
  box-shadow: 0 18px 40px -10px rgba(37, 211, 102, .55), 0 6px 14px rgba(0,0,0,.12);
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), min-width .45s var(--ease-out), padding .45s var(--ease-out);
  overflow: hidden;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px) scale(.9);
  pointer-events: none;
}
.wa-float.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  animation: waPulse 2.6s ease-in-out infinite;
  animation-delay: 1s;
}
@keyframes waPulse {
  0%, 100% { box-shadow: 0 18px 40px -10px rgba(37, 211, 102, .55), 0 6px 14px rgba(0,0,0,.12), 0 0 0 0 rgba(37,211,102,.5); }
  50% { box-shadow: 0 18px 40px -10px rgba(37, 211, 102, .55), 0 6px 14px rgba(0,0,0,.12), 0 0 0 14px rgba(37,211,102,0); }
}
.wa-float:hover {
  transform: translateY(-3px) scale(1.04);
  padding: 0 22px 0 0;
  min-width: 210px;
}
.wa-float .wa-icon {
  width: 60px; height: 60px;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.wa-float .wa-icon svg { width: 30px; height: 30px; }
.wa-float .wa-label {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  max-width: 0;
  transform: translateX(-6px);
  transition: opacity .3s var(--ease-out) .05s, max-width .4s var(--ease-out), transform .4s var(--ease-out);
}
.wa-float:hover .wa-label {
  opacity: 1;
  max-width: 180px;
  transform: translateX(0);
}

.wa-tooltip {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: var(--anthracite-900);
  color: white;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s, transform .3s var(--ease-out);
  box-shadow: var(--shadow-lg);
}
.wa-tooltip::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
  width: 10px; height: 10px;
  background: var(--anthracite-900);
}
.wa-float.show-tip .wa-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

@media (max-width: 560px) {
  .wa-float { right: 16px; bottom: 16px; height: 54px; min-width: 54px; }
  .wa-float .wa-icon { width: 54px; height: 54px; }
  .wa-float .wa-icon svg { width: 26px; height: 26px; }
  .wa-float:hover { min-width: 54px; padding: 0; }
  .wa-float:hover .wa-label { opacity: 0; max-width: 0; }
  .wa-tooltip { display: none; }
}