/* ===== Design v2 — dark neon glass (inspired by kohconcept.com) ===== */
:root {
  --bg: #060a16;
  --bg-elev: #0d1226;
  --bg-soft: #10152c;
  --text: #eef0fb;
  --text-muted: #8b93b8;
  --border: rgba(255, 255, 255, 0.09);
  --accent: #ff6a1a;
  --accent-2: #ffb703;
  --accent-3: #2f8fd6;
  --accent-grad: linear-gradient(135deg, #ffb703 0%, #ff6a1a 55%, #ff3d3d 100%);
  --accent-text: #ffb703;
  --accent-3-glow: 0 0 0 1px rgba(47, 143, 214, 0.35), 0 0 26px -4px rgba(47, 143, 214, 0.75);
  --glass: rgba(13, 18, 38, 0.55);
  --glow: 0 0 0 1px rgba(255, 106, 26, 0.25), 0 0 40px -6px rgba(255, 106, 26, 0.55);
  --shadow: 0 10px 40px -12px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 30px 80px -20px rgba(0, 0, 0, 0.75);
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 30px;
  --ff-display: 'Sora', 'Inter', system-ui, sans-serif;
  --ff-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --container: 1220px;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #f4f5fb;
  --bg-elev: #ffffff;
  --bg-soft: #eceeff;
  --text: #131629;
  --text-muted: #565c7e;
  --border: rgba(19, 22, 41, 0.09);
  --glass: rgba(255, 255, 255, 0.6);
  --shadow: 0 10px 40px -12px rgba(19, 22, 41, 0.16);
  --shadow-lg: 0 24px 70px -20px rgba(19, 22, 41, 0.24);
  --glow: 0 0 0 1px rgba(255, 106, 26, 0.18), 0 0 40px -10px rgba(255, 106, 26, 0.35);
  --accent-text: #b34e00;
  --accent-3-glow: 0 0 0 1px rgba(47, 130, 190, 0.3), 0 0 22px -4px rgba(47, 130, 190, 0.5);
  color-scheme: light;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f4f5fb;
    --bg-elev: #ffffff;
    --bg-soft: #eceeff;
    --text: #131629;
    --text-muted: #565c7e;
    --border: rgba(19, 22, 41, 0.09);
    --glass: rgba(255, 255, 255, 0.6);
    --shadow: 0 10px 40px -12px rgba(19, 22, 41, 0.16);
    --shadow-lg: 0 24px 70px -20px rgba(19, 22, 41, 0.24);
    --glow: 0 0 0 1px rgba(255, 106, 26, 0.18), 0 0 40px -10px rgba(255, 106, 26, 0.35);
    --accent-text: #b34e00;
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--ff-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .35s ease, color .35s ease;
  position: relative;
  overflow-x: hidden;
}
[dir="rtl"] body { direction: rtl; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--ff-display); font-weight: 700; line-height: 1.14; margin: 0 0 .5em; letter-spacing: -0.015em; }
p { margin: 0 0 1em; color: var(--text-muted); }
.container { max-width: var(--container); margin-inline: auto; padding-inline: 24px; position: relative; z-index: 1; }
section { padding: 56px 0; position: relative; }
@media (max-width: 720px) { section { padding: 40px 0; } }

/* ambient glow background, fixed */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(600px circle at 12% 8%, rgba(255, 106, 26, 0.20), transparent 60%),
    radial-gradient(700px circle at 88% 30%, rgba(255, 183, 3, 0.16), transparent 60%),
    radial-gradient(600px circle at 50% 95%, rgba(255, 61, 61, 0.14), transparent 60%);
}

/* ===== Header / nav ===== */
.site-header {
  position: sticky; top: 0; z-index: 500;
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  background: var(--glass);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding-block: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--ff-display); font-size: 1.1rem; font-weight: 700; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { letter-spacing: .04em; }
.brand-sub { font-family: var(--ff-body); font-size: .64rem; font-weight: 600; color: var(--text-muted); letter-spacing: .03em; text-transform: uppercase; }
@media (max-width: 480px) { .brand-sub { display: none; } }
.brand .mark {
  width: 36px; height: 36px; border-radius: 12px; background: var(--accent-grad);
  display: grid; place-items: center; color: #fff; font-weight: 800; font-family: var(--ff-body);
  box-shadow: var(--glow);
}
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: .92rem; font-weight: 500; color: var(--text-muted); transition: color .2s; position: relative; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.nav-links a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; background: var(--accent-grad); border-radius: 2px;
  box-shadow: 0 0 8px 1px rgba(255, 106, 26,.7);
}
.nav-tools { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border);
  background: var(--bg-elev); display: grid; place-items: center; cursor: pointer;
  transition: transform .2s, box-shadow .2s;
}
.icon-btn:hover { transform: translateY(-2px); box-shadow: var(--glow); }
.icon-btn svg { width: 18px; height: 18px; stroke: var(--text); }
:root:not([data-theme="light"]) .icon-btn .sun { display: none; }
.icon-btn .moon { display: none; }
:root:not([data-theme="light"]) .icon-btn .moon { display: block; }
:root[data-theme="light"] .icon-btn .sun { display: block; }
:root[data-theme="light"] .icon-btn .moon { display: none; }

.lang-switcher { position: relative; }
.lang-current {
  display: flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--bg-elev); cursor: pointer; font-size: .8rem; font-weight: 700;
  letter-spacing: .03em;
}
.lang-menu {
  position: absolute; top: calc(100% + 10px); inset-inline-end: 0; background: var(--bg-elev);
  border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
  padding: 6px; display: none; grid-template-columns: repeat(2, 1fr); gap: 2px; min-width: 160px;
}
.lang-switcher.open .lang-menu { display: grid; }
.lang-menu a { padding: 9px 10px; border-radius: 9px; font-size: .85rem; }
.lang-menu a:hover, .lang-menu a.active { background: var(--bg-soft); color: var(--accent-text); }

.burger { display: none; }
@media (max-width: 860px) { .nav-links { display: none; } .burger { display: grid; } }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 15px 28px; border-radius: 999px;
  font-weight: 700; font-size: .95rem; cursor: pointer; border: 1px solid transparent;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn-primary { background: var(--accent-grad); color: #fff; box-shadow: var(--glow); }
.btn-primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 0 0 1px rgba(255, 106, 26,.4), 0 0 60px -4px rgba(255, 106, 26,.75); }
.btn-ghost { background: var(--bg-elev); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-text); }

/* ===== Hero ===== */
.hero { padding-top: 100px; padding-bottom: 64px; }
.hero-bg { display: none; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 16px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--bg-elev); font-size: .78rem; font-weight: 700;
  color: var(--accent-text); margin-bottom: 24px; letter-spacing: .06em; text-transform: uppercase;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-grad); box-shadow: 0 0 8px 2px rgba(255, 106, 26,.8); }
.hero h1 {
  font-size: clamp(2.6rem, 5.2vw, 4.2rem);
  background: linear-gradient(135deg, var(--text) 30%, var(--accent-2) 75%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lead { font-size: 1.15rem; max-width: 46ch; }
.hero-actions { display: flex; gap: 16px; margin-top: 34px; flex-wrap: wrap; }
.hero-visual {
  position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/5;
  background: var(--bg-soft); box-shadow: var(--shadow-lg); border: 1px solid var(--border);
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-visual-deco {
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 183, 3,.35) 0%, transparent 55%),
    radial-gradient(circle at 75% 80%, rgba(255, 61, 61,.35) 0%, transparent 55%),
    linear-gradient(160deg, var(--bg-soft), var(--bg-elev));
}
.hero-visual-deco::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at 50% 40%, black 0%, transparent 75%);
}
.hero-visual .badge {
  position: absolute; bottom: 20px; left: 20px; right: 20px; padding: 18px 20px; border-radius: var(--radius);
  background: var(--glass); backdrop-filter: blur(16px); border: 1px solid var(--border); box-shadow: var(--glow);
}

/* ===== Sections ===== */
.section-head { max-width: 640px; margin-bottom: 36px; }
.section-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 34px; transition: transform .3s ease, box-shadow .3s ease, border-color .3s;
  position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .3s;
  background: radial-gradient(400px circle at 20% 0%, rgba(255, 106, 26,.12), transparent 60%);
}
.card:hover { transform: translateY(-8px); box-shadow: var(--glow); border-color: rgba(255, 106, 26,.4); }
.card:hover::before { opacity: 1; }
.card .icon {
  width: 54px; height: 54px; border-radius: 16px; background: var(--accent-grad); margin-bottom: 22px;
  display: grid; place-items: center; color: #fff; box-shadow: var(--glow); position: relative;
}
.card h3 { font-size: 1.25rem; }
.card a.card-link { color: var(--accent-text); font-weight: 700; font-size: .9rem; display: inline-flex; gap: 6px; align-items: center; margin-top: 8px; }

.areas-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.areas-list span {
  padding: 10px 20px; border-radius: 999px; border: 1px solid var(--border); background: var(--bg-elev);
  font-size: .88rem; font-weight: 600;
}
.areas-list span.primary { background: var(--accent-grad); color: #fff; border-color: transparent; font-weight: 800; box-shadow: var(--glow); }

.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
@media (max-width: 900px) { .why-grid { grid-template-columns: 1fr; } }
.why-item .num {
  font-family: var(--ff-display); font-size: 2.4rem; font-weight: 800; margin-bottom: 10px;
  background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}

.cta-band {
  border-radius: var(--radius-lg); background: var(--bg-elev); border: 1px solid var(--border);
  padding: 48px; text-align: center; position: relative; overflow: hidden; box-shadow: var(--shadow-lg);
}
.cta-band::before {
  content: ""; position: absolute; inset: -2px; background: var(--accent-grad); opacity: .16; filter: blur(30px);
}
.cta-band > * { position: relative; }
.cta-band h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }

/* ===== Page hero (inner pages) ===== */
.page-hero { padding-top: 96px; padding-bottom: 40px; border-bottom: 1px solid var(--border); }
.breadcrumb { font-size: .85rem; color: var(--text-muted); margin-bottom: 20px; }
.breadcrumb a:hover { color: var(--accent-text); }

.feature-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.feature-list li { display: flex; gap: 12px; align-items: flex-start; }
.feature-list li .check {
  flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--accent-grad); color: #fff;
  display: grid; place-items: center; font-size: .75rem; margin-top: 2px; box-shadow: var(--glow);
}

.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
@media (max-width: 900px) { .process-steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .process-steps { grid-template-columns: 1fr; } }
.process-steps .step { counter-increment: step; padding: 26px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-elev); }
.process-steps .step::before {
  content: counter(step, decimal-leading-zero); font-family: var(--ff-display); font-size: 1.7rem; font-weight: 800;
  background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  display: block; margin-bottom: 12px;
}

.faq-item { border-bottom: 1px solid var(--border); padding: 24px 0; }
.faq-item summary { cursor: pointer; font-weight: 700; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--accent-text); transition: transform .2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin-top: 12px; }

/* ===== Contact form ===== */
.contact-wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: start; }
@media (max-width: 900px) { .contact-wrap { grid-template-columns: 1fr; } }
.form-card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 42px; box-shadow: var(--shadow-lg); }
.field { margin-bottom: 20px; }
.field label { display: block; font-weight: 700; font-size: .88rem; margin-bottom: 8px; }
.field .help { font-size: .8rem; color: var(--text-muted); margin-top: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 16px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-family: var(--ff-body); font-size: .95rem;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(255, 106, 26,.18);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }
.checkbox-field { display: flex; align-items: flex-start; gap: 10px; }
.checkbox-field input { width: auto; margin-top: 4px; }
.checkbox-field label { font-weight: 500; font-size: .85rem; }
.form-msg { margin-top: 16px; padding: 14px 16px; border-radius: var(--radius-sm); font-size: .9rem; display: none; }
.form-msg.success { display: block; background: rgba(255, 183, 3,.14); border: 1px solid var(--accent-2); }
.form-msg.error { display: block; background: rgba(255,92,92,.12); border: 1px solid #ff5c5c; }

.side-info .info-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; background: var(--bg-soft); margin-bottom: 16px; }
.side-info .info-card h4 { font-size: 1rem; margin-bottom: 6px; }

/* ===== Footer ===== */
.site-footer { border-top: 1px solid var(--border); padding: 60px 0 32px; margin-top: 40px; }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 32px; }
.footer-bottom { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .85rem; color: var(--text-muted); }

[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
[data-reveal].visible { opacity: 1; transform: translateY(0); }

.hero-carousel { padding-top: 120px; }

/* ===== Contact arc (above the "Discover our work" cards) ===== */
.arc-wrap { position: relative; max-width: 620px; margin-inline: auto; display: flex; align-items: center; justify-content: center; gap: 12px; padding-top: 40px; }
.arc-line { position: absolute; top: -18px; left: 0; right: 0; width: 100%; height: 110px; z-index: 0; opacity: .8; }
.arc-items { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr auto 1fr; align-items: end; column-gap: 24px; flex: 1; }
.arc-item { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.arc-items > .arc-item:first-child { justify-self: end; }
.arc-items > .arc-item:last-child { justify-self: start; }
.arc-icon {
  width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; color: #fff;
  background: var(--bg-elev); border: 1px solid var(--border); box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.arc-item:hover .arc-icon { transform: translateY(-4px); box-shadow: var(--glow); }
.renovation-tone { color: #7fd8c0; }
.domotics-tone { color: #8db8ff; }
.construction-tone { color: #ffb37f; }
.arc-slot { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.arc-label { font-size: .78rem; font-weight: 600; color: var(--text-muted); }
.arc-center { transform: translateY(-14px); }
.arc-icon-center {
  width: 78px; height: 78px; border-radius: 50%; display: grid; place-items: center; color: #fff;
  background: var(--accent-grad); box-shadow: var(--glow);
  animation: pulse-glow 2.4s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 106, 26,.5), var(--glow); }
  50% { box-shadow: 0 0 0 14px rgba(255, 106, 26,0), var(--glow); }
}
.arc-label.strong { font-size: .85rem; font-weight: 800; color: var(--text); }
.arc-sub { font-size: .72rem; color: var(--text-muted); margin-top: -4px; }
.arc-nav {
  width: 42px; height: 42px; border-radius: 12px; border: 1.5px solid rgba(47, 143, 214,.4); background: var(--bg-elev);
  color: var(--accent-3); display: grid; place-items: center; cursor: pointer; flex: none; z-index: 1;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.arc-nav svg { width: 17px; height: 17px; }
.arc-nav:hover { background: rgba(47, 143, 214,.12); box-shadow: var(--accent-3-glow); transform: translateY(-2px); }

.swipe-hint { font-size: .78rem; color: var(--text-muted); margin-top: 22px; display: flex; align-items: center; justify-content: center; gap: 8px; }
.swipe-icon {
  width: 20px; height: 12px; border-radius: 999px; border: 1.5px solid var(--accent-3); position: relative;
  animation: swipe-drift 1.6s ease-in-out infinite;
}
.swipe-icon::after {
  content: ""; position: absolute; top: 50%; width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent-3); transform: translateY(-50%); left: 2px;
  animation: swipe-dot 1.6s ease-in-out infinite;
}
@keyframes swipe-drift { 0%, 100% { opacity: .6; } 50% { opacity: 1; } }
@keyframes swipe-dot { 0% { left: 2px; } 50% { left: 11px; } 100% { left: 2px; } }

/* ===== Section head centered + dash progress ===== */
.section-head.centered { text-align: center; margin-inline: auto; }
.eyebrow-plain { display: block; font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent-text); margin-bottom: 10px; }
.dash-progress { display: flex; justify-content: center; gap: 6px; margin-top: 18px; margin-bottom: 40px; }
.dash-progress span { width: 26px; height: 4px; border-radius: 3px; background: var(--border); }
.dash-progress span.active { background: var(--accent-grad); box-shadow: 0 0 8px 1px rgba(255, 106, 26,.6); }

/* ===== Fan carousel ===== */
.fan-carousel { display: flex; align-items: center; justify-content: center; }
.fan-stack { position: relative; width: min(340px, 78vw); height: 420px; }
.fan-card {
  position: absolute; inset: 0; margin: auto; width: 100%; height: 100%;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 30px; box-shadow: var(--shadow-lg); cursor: pointer;
  transition: transform .45s cubic-bezier(.2,.8,.2,1), opacity .45s ease, filter .45s ease;
  display: flex; flex-direction: column;
}
.fan-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.fan-index { font-size: .72rem; font-weight: 700; padding: 5px 10px; border-radius: 999px; background: var(--bg-soft); color: var(--text-muted); }
.fan-tag { font-size: .68rem; font-weight: 800; letter-spacing: .04em; padding: 5px 12px; border-radius: 999px; background: var(--accent-grad); color: #fff; }
.fan-icon-lg {
  width: 58px; height: 58px; border-radius: 16px; background: var(--accent-grad); color: #fff;
  display: grid; place-items: center; margin-bottom: 20px; box-shadow: var(--glow);
}
.fan-card h3 { font-size: 1.3rem; }
.fan-card p { flex: 1; }
.fan-link { color: var(--accent-text); font-weight: 700; font-size: .9rem; }

/* stack ordering via data-pos set by JS */
.fan-card[data-pos="active"] { transform: translateX(0) scale(1) rotate(0deg); opacity: 1; z-index: 5; filter: none; }
.fan-card[data-pos="next"] { transform: translateX(46%) scale(.92) rotate(6deg); opacity: .55; z-index: 4; filter: blur(.5px); }
.fan-card[data-pos="prev"] { transform: translateX(-46%) scale(.92) rotate(-6deg); opacity: .55; z-index: 4; filter: blur(.5px); }
.fan-card[data-pos="far"] { transform: translateX(0) scale(.8); opacity: 0; z-index: 1; pointer-events: none; }

/* ===== Final gradient CTA pill ===== */
.cta-final-wrap { text-align: center; padding-top: 20px; }
.btn-gradient-pill {
  display: inline-flex; align-items: center; gap: 10px; width: min(520px, 100%); justify-content: center;
  padding: 20px 32px; border-radius: 999px; background: var(--accent-grad); color: #fff; font-weight: 800; font-size: 1.02rem;
  box-shadow: var(--glow); transition: transform .25s ease;
}
.btn-gradient-pill:hover { transform: translateY(-3px) scale(1.01); }
.footer-fineprint { margin-top: 22px; font-size: .8rem; }

/* ===== Portfolio (illustration placeholders) ===== */
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 860px) { .portfolio-grid { grid-template-columns: 1fr; } }
.portfolio-card {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); background: var(--bg-elev);
  box-shadow: var(--shadow); transition: transform .3s ease, box-shadow .3s ease;
}
.portfolio-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.portfolio-img {
  aspect-ratio: 4/3; position: relative; display: grid; place-items: center; color: #fff;
}
.portfolio-img::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(circle at 50% 40%, black 0%, transparent 78%);
}
.portfolio-img.tone-a { background: radial-gradient(circle at 25% 20%, rgba(255, 183, 3,.55), transparent 55%), radial-gradient(circle at 80% 80%, rgba(255, 106, 26,.5), transparent 55%), var(--bg-soft); }
.portfolio-img.tone-b { background: radial-gradient(circle at 75% 25%, rgba(255, 61, 61,.5), transparent 55%), radial-gradient(circle at 20% 80%, rgba(47, 143, 214,.35), transparent 55%), var(--bg-soft); }
.portfolio-img.tone-c { background: radial-gradient(circle at 30% 75%, rgba(255, 183, 3,.5), transparent 55%), radial-gradient(circle at 75% 20%, rgba(47, 143, 214,.4), transparent 55%), var(--bg-soft); }
.portfolio-img svg { position: relative; z-index: 1; opacity: .9; }
.portfolio-caption { padding: 16px 18px; font-weight: 700; font-size: .9rem; }

/* Before / after comparison (renovation) */
.ba-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 860px) { .ba-grid { grid-template-columns: 1fr; } }
.ba-card { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); background: var(--bg-elev); box-shadow: var(--shadow); transition: transform .3s ease, box-shadow .3s ease; }
.ba-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.ba-split { display: grid; grid-template-columns: 1fr 1fr; aspect-ratio: 16/10; position: relative; }
.ba-split::after { content: ""; position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: var(--accent-grad); }
.ba-pane { position: relative; display: flex; align-items: flex-end; padding: 10px; }
.ba-pane.before { background: linear-gradient(160deg, #2a2d3a, #1a1c26); filter: saturate(.5) brightness(.85); }
.ba-pane.after { background: radial-gradient(circle at 70% 20%, rgba(255, 183, 3,.45), transparent 55%), radial-gradient(circle at 20% 85%, rgba(47, 143, 214,.4), transparent 55%), var(--bg-soft); }
.ba-tag { font-size: .62rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; padding: 4px 10px; border-radius: 999px; background: rgba(0,0,0,.4); color: #fff; }
.ba-caption { padding: 16px 18px; font-weight: 700; font-size: .9rem; }

/* Carousel arrows are a pointer-device affordance; touch/PWA devices swipe instead */
@media (hover: none), (pointer: coarse) {
  .arc-nav { display: none; }
}
@media (hover: hover) and (pointer: fine) {
  .swipe-hint { display: none; }
}