/* ==========================================================================
   Enginyer d'obres — Landing page (B2B empreses d'instal·lacions)
   ========================================================================== */

:root {
  --navy-900: #06141F;
  --navy-800: #081C2E;
  --navy-700: #12334F;
  --navy-600: #1A4A6E;
  --amber: #F0A93C;
  --amber-deep: #C8801F;
  --cyan: #5FC7E8;
  --green: #25D366;
  --ink: #0E2233;
  --muted: #5A6B7B;
  --bg: #FFFFFF;
  --bg-soft: #F3F6F9;
  --line: #E4EAF0;
  --radius: 16px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(6, 20, 31, 0.06);
  --shadow-md: 0 14px 36px rgba(6, 20, 31, 0.10);
  --shadow-lg: 0 28px 64px rgba(6, 20, 31, 0.16);
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --font-head: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 96px; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img, svg, iframe { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--navy-800);
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--amber); color: #fff; padding: 10px 16px; z-index: 100; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

.container { width: min(1140px, 100% - 48px); margin-inline: auto; }

/* ---------- Botons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-head); font-weight: 600; font-size: 0.95rem;
  padding: 12px 22px; border-radius: 11px; border: 1.5px solid transparent;
  cursor: pointer; white-space: nowrap;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn-lg { padding: 15px 28px; font-size: 1.02rem; }
.btn-block { width: 100%; }
.btn:active { transform: translateY(1px); }

.btn-accent {
  background: linear-gradient(135deg, #FFBB3D, var(--amber));
  color: #221502; border-color: transparent;
  box-shadow: 0 10px 24px rgba(240, 169, 60, 0.32);
}
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(240, 169, 60, 0.42); }

.btn-primary { background: var(--navy-800); color: #fff; border-color: var(--navy-800); }
.btn-primary:hover { background: var(--navy-600); border-color: var(--navy-600); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-ghost { background: rgba(255,255,255,.06); color: #fff; border-color: rgba(255,255,255,.35); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255,255,255,.14); border-color: #fff; }

.btn-ghost-dark { background: transparent; color: var(--navy-800); border-color: var(--navy-800); }
.btn-ghost-dark:hover { background: var(--navy-800); color: #fff; }

/* ---------- Barra superior ---------- */
.topbar { background: var(--navy-900); color: rgba(255,255,255,.8); font-size: 0.85rem; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 40px; }
.topbar-tag { display: flex; align-items: center; gap: 9px; }
.pulse {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 0 0 rgba(37, 211, 102, .6); animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,.5); }
  70% { box-shadow: 0 0 0 8px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}
.topbar-links { display: flex; gap: 20px; }
.topbar-links a { color: rgba(255,255,255,.8); font-weight: 600; }
.topbar-links a:hover { color: var(--amber); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.9); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }

.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }

.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark { border-radius: 11px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-family: var(--font-head); font-size: 1.05rem; color: var(--navy-800); }
.brand-text small { font-size: 0.71rem; color: var(--muted); letter-spacing: .01em; }

.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a:not(.btn) { font-weight: 500; font-size: 0.95rem; color: var(--ink); position: relative; }
.site-nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px;
  background: var(--amber); transition: width .2s ease;
}
.site-nav a:not(.btn):hover::after { width: 100%; }
.btn-nav { padding: 10px 18px; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--navy-800); border-radius: 2px; transition: .25s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: radial-gradient(1000px 560px at 82% -8%, rgba(240,169,60,.24), transparent 60%),
              linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 58%, var(--navy-800) 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.95), transparent 88%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.95), transparent 88%);
  pointer-events: none;
}
.hero-circuit { position: absolute; right: -40px; top: -20px; width: 560px; height: 560px; opacity: .8; pointer-events: none; }

.hero-inner {
  position: relative; display: grid; grid-template-columns: 1.12fr .88fr;
  gap: 56px; align-items: center; padding: 88px 0 100px;
}

.eyebrow {
  display: inline-block; font-family: var(--font-mono); font-weight: 500; font-size: 0.74rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--amber); margin-bottom: 20px;
}
.eyebrow-dark { color: var(--amber-deep); font-family: var(--font-mono); }

.hero h1 { color: #fff; font-size: clamp(2rem, 4.4vw, 3.25rem); font-weight: 700; margin-bottom: 22px; }
.text-accent { color: var(--amber); }
.hero .lead { color: rgba(255,255,255,.84); font-size: 1.1rem; max-width: 54ch; margin-bottom: 32px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.hero-badges li {
  font-size: 0.82rem; font-weight: 600; color: rgba(255,255,255,.9);
  border: 1px solid rgba(255,255,255,.22); border-radius: 999px; padding: 7px 14px;
  background: rgba(255,255,255,.05);
}

.hero-panel {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-lg); backdrop-filter: blur(12px);
  padding: 26px; box-shadow: var(--shadow-lg);
}
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.panel-kicker { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--cyan); }
.panel-status { display: flex; align-items: center; gap: 7px; font-size: 0.8rem; color: rgba(255,255,255,.8); }
.panel-status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); }

.titleblock { display: grid; gap: 0; margin-bottom: 20px; border: 1px solid rgba(255,255,255,.16); border-radius: 10px; overflow: hidden; font-family: var(--font-mono); }
.tb-row { display: grid; grid-template-columns: 128px 1fr; border-bottom: 1px solid rgba(255,255,255,.12); }
.tb-row:last-child { border-bottom: none; }
.tb-row dt {
  padding: 11px 14px; font-size: 0.7rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--cyan); border-right: 1px solid rgba(255,255,255,.12); background: rgba(7,24,41,.35);
}
.tb-row dd { padding: 11px 14px; font-size: 0.82rem; color: rgba(255,255,255,.85); }
.tb-row dd strong { color: #fff; }

/* ---------- Cinta d'especialitats ---------- */
.marquee { overflow: hidden; background: var(--amber); padding: 13px 0; border-bottom: 1px solid rgba(0,0,0,.06); }
.marquee-track { display: flex; gap: 34px; width: max-content; animation: marquee 26s linear infinite; }
.marquee-track span { font-family: var(--font-head); font-weight: 700; font-size: 1.05rem; color: #221502; text-transform: uppercase; letter-spacing: .04em; }
.marquee-track i { color: rgba(34,21,2,.55); font-style: normal; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Seccions ---------- */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-soft); }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: 18px; }
.section-sub { color: var(--muted); font-size: 1.05rem; }

/* ---------- Serveis ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 32px 28px; display: flex; flex-direction: column;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.service-icon {
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(240,169,60,.15); color: var(--amber-deep); margin-bottom: 20px;
}
.service-icon svg { width: 28px; height: 28px; }
.service-card h3 { font-size: 1.28rem; margin-bottom: 12px; }
.service-card p { font-size: 0.95rem; color: var(--muted); flex: 1; }
.service-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.service-tags li {
  font-size: 0.75rem; font-weight: 600; color: var(--navy-600);
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 999px; padding: 5px 11px;
}

.service-card--accent { background: linear-gradient(160deg, var(--navy-800), var(--navy-700)); border-color: transparent; }
.service-card--accent h3 { color: #fff; }
.service-card--accent p { color: rgba(255,255,255,.8); }
.service-card--accent .service-icon { background: rgba(240,169,60,.2); color: var(--amber); }
.service-card--accent .service-tags li { color: rgba(255,255,255,.85); background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.14); }

/* ---------- Avantatges ---------- */
.advantages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.advantage {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 32px 28px; transition: transform .22s ease, box-shadow .22s ease;
}
.advantage:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.advantage-icon {
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(240,169,60,.15); color: var(--amber-deep); margin-bottom: 20px;
}
.advantage-icon svg { width: 28px; height: 28px; }
.advantage h3 { font-size: 1.25rem; margin-bottom: 12px; }
.advantage p { font-size: 0.95rem; color: var(--muted); }

/* ---------- Modalitats ---------- */
.modalities { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.mod-card {
  background: #fff; border: 1px solid var(--line); border-left: 5px solid var(--amber);
  border-radius: var(--radius); padding: 26px 24px; position: relative;
  transition: transform .22s ease, box-shadow .22s ease;
}
.mod-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.mod-card:nth-child(2) { border-left-color: var(--cyan); }
.mod-card:nth-child(2) .tag { color: #1d7693; }
.mod-card:nth-child(3) { border-left-color: #7a8c52; }
.mod-card:nth-child(3) .tag { color: #5b6b34; }
.mod-card .tag {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--amber-deep); display: block; margin-bottom: 8px;
}
.mod-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.mod-card p { font-size: 0.94rem; color: var(--muted); }

/* ---------- Perfil ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-copy h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: 28px; }
.profile-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; margin-bottom: 16px;
}
.profile-card h3 { font-size: 1.05rem; margin-bottom: 10px; color: var(--amber-deep); }
.profile-card ul { display: grid; gap: 7px; }
.profile-card li { position: relative; padding-left: 22px; font-size: 0.96rem; color: var(--ink); }
.profile-card li::before { content: "✓"; position: absolute; left: 0; color: var(--amber-deep); font-weight: 700; }
.split-art svg { width: 100%; height: auto; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }

/* ---------- Equip ---------- */
.split-copy .section-sub { margin: 0 0 14px; }
.split-copy .btn { margin-top: 12px; }
.team-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.team-card {
  display: flex; align-items: center; gap: 14px; padding: 18px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.team-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--amber); }
.team-ico {
  flex: none; width: 44px; height: 44px; border-radius: 11px; display: grid; place-items: center;
  background: rgba(240,169,60,.15); color: var(--amber-deep);
}
.team-ico svg { width: 22px; height: 22px; }
.team-txt { display: flex; flex-direction: column; line-height: 1.25; }
.team-txt strong { font-family: var(--font-head); font-size: 0.96rem; color: var(--navy-800); }
.team-txt small { font-size: 0.8rem; color: var(--muted); }

/* ---------- Qui soc (foto) ---------- */
.portrait {
  position: relative; aspect-ratio: 4 / 3; max-width: 520px;
  border-radius: var(--radius-lg); overflow: hidden;
  background: var(--bg-soft); border: 1.5px dashed var(--amber);
  box-shadow: var(--shadow-md);
}
.portrait img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.portrait-fallback {
  position: absolute; inset: 0; display: flex; flex-direction: column; gap: 12px;
  align-items: center; justify-content: center; text-align: center; padding: 20px;
}
.portrait-fallback svg { width: 64px; height: 64px; color: var(--amber-deep); }
.portrait-fallback span { font-weight: 600; color: var(--navy-800); }
.portrait-fallback small { color: var(--muted); font-size: 0.8rem; }
.check-list { display: grid; gap: 9px; margin-top: 18px; }
.check-list li { position: relative; padding-left: 24px; font-size: 0.98rem; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--amber-deep); font-weight: 700; }

/* ---------- Com funciona ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.process-step {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 24px; transition: transform .22s ease, box-shadow .22s ease;
}
.process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.process-num {
  display: inline-block; font-family: var(--font-head); font-weight: 700; font-size: 1.6rem;
  color: transparent; -webkit-text-stroke: 1.5px var(--amber-deep); margin-bottom: 14px;
}
.process-step h3 { font-size: 1.08rem; margin-bottom: 10px; }
.process-step p { font-size: 0.93rem; color: var(--muted); }

/* ---------- Envia documentació ---------- */
.upload-panel {
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center;
  background: var(--bg-soft); border: 1.5px dashed var(--amber);
  border-radius: var(--radius-lg); padding: 44px;
}
.upload-panel h2 { margin-bottom: 12px; }
.upload-panel .section-sub { margin-bottom: 22px; }
.upload-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 14px; }
.upload-note { font-size: 0.85rem; color: var(--muted); }
.upload-dropzone {
  border: 1.5px dashed var(--line); border-radius: var(--radius);
  padding: 32px 24px; text-align: center; background: #fff;
}
.upload-dropzone svg { width: 40px; height: 40px; margin: 0 auto 12px; color: var(--amber-deep); }
.upload-dropzone strong { display: block; font-family: var(--font-head); color: var(--navy-800); margin-bottom: 8px; }
.upload-dropzone span { font-size: 0.88rem; color: var(--muted); }

/* ---------- CTA ---------- */
.cta {
  background: radial-gradient(900px 400px at 15% 0%, rgba(240,169,60,.2), transparent 60%),
              linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color: #fff;
}
.cta-inner { text-align: center; padding: 80px 0; }
.cta h2 { color: #fff; font-size: clamp(1.7rem, 3.4vw, 2.4rem); margin-bottom: 14px; }
.cta p { color: rgba(255,255,255,.85); margin-bottom: 30px; font-size: 1.08rem; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ---------- Contacte ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: start; }
.contact-info { display: grid; gap: 14px; }

.contact-card {
  display: flex; align-items: center; gap: 16px; padding: 18px 20px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
a.contact-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--amber); }
.contact-card-icon {
  flex: none; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(240,169,60,.15); color: var(--amber-deep);
}
.contact-card--whatsapp .contact-card-icon { background: rgba(37,211,102,.15); color: var(--green); }
.contact-card span small { display: block; font-size: 0.76rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.contact-card span strong { display: block; font-family: var(--font-head); font-size: 1.06rem; color: var(--navy-800); }
.contact-card span em { display: block; font-style: normal; font-size: 0.86rem; color: var(--muted); }
.contact-card--static strong { font-size: 0.94rem; }

.map { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.map iframe { width: 100%; height: 230px; border: 0; }

.contact-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-md); }
.contact-form h3 { font-size: 1.4rem; margin-bottom: 8px; }
.form-intro { font-size: 0.92rem; color: var(--muted); margin-bottom: 24px; }
.field { margin-bottom: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { display: block; font-weight: 600; font-size: 0.9rem; color: var(--navy-800); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--font-body); font-size: 0.98rem; color: var(--ink);
  background: var(--bg-soft); border: 1.5px solid var(--line); border-radius: 11px;
  padding: 13px 14px; transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--amber); box-shadow: 0 0 0 4px rgba(240,169,60,.16); background: #fff;
}

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: rgba(255,255,255,.75); }
.footer-inner { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.2fr; gap: 40px; padding: 64px 0 48px; }
.footer-brand .brand-text strong { color: #fff; }
.footer-brand .brand-text small { color: rgba(255,255,255,.55); }
.footer-brand p { margin-top: 16px; font-size: 0.92rem; max-width: 36ch; }
.footer-col h4 { color: #fff; font-size: 0.9rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 16px; }
.footer-col ul { display: grid; gap: 9px; }
.footer-col a { font-size: 0.92rem; color: rgba(255,255,255,.72); transition: color .18s ease; }
.footer-col a:hover { color: var(--amber); }
.footer-contact li { font-size: 0.92rem; }

.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; font-size: 0.85rem; color: rgba(255,255,255,.55);
}
.footer-bottom a:hover { color: var(--amber); }

/* ---------- WhatsApp flotant ---------- */
.whatsapp-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center;
  background: var(--green); color: #fff; box-shadow: 0 10px 26px rgba(37, 211, 102, .45);
  transition: transform .2s ease;
}
.whatsapp-float:hover { transform: translateY(-3px) scale(1.05); }

/* ---------- Animacions ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .services-grid, .advantages, .modalities { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .hero-inner { gap: 40px; }
}

@media (max-width: 880px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; align-items: stretch;
    gap: 0; background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow-md);
    display: none; padding: 8px 24px 20px;
  }
  .site-nav.open { display: flex; }
  .site-nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .site-nav .btn-nav { margin-top: 16px; }

  .hero-inner { grid-template-columns: 1fr; padding: 60px 0 72px; }
  .hero-panel { max-width: 520px; }
  .contact-grid { grid-template-columns: 1fr; }
  .upload-panel { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .services-grid, .advantages, .modalities, .process, .team-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .container { width: min(1140px, 100% - 36px); }
  .hero-actions .btn, .cta-actions .btn { width: 100%; }
  .topbar-tag { display: none; }
  .topbar-inner { justify-content: center; }
}

/* ---------- Accessibilitat: redueix el moviment ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition: none !important; animation: none !important; }
}