/* ─────────────────────────────────────────
   TOKENS
───────────────────────────────────────── */
:root {
  --bg:       #09090b;
  --surface:  #111115;
  --border:   #1e1e24;
  --border2:  #2a2a32;
  --accent:   #e8ff47;
  --accent2:  #ff4f3b;
  --text:     #dddde4;
  --muted:    #7a7a8a;
  --muted2:   #55555f;
  --white:    #ffffff;

  --mono: 'DM Mono', monospace;
  --sans: 'Cabinet Grotesk', sans-serif;

  --max: 1080px;
  --pad: clamp(20px, 5vw, 48px);

  /* Font scale */
  --fs-base:    21px;
  --fs-label:   15px;
  --fs-body:    16px;
  --fs-small:   13px;
  --fs-mono-sm: 11px;
  --fs-mono-xs: 10px;
}

/* Font scale: large (+20%) */
html.font-lg {
  --fs-base:    25px;
  --fs-label:   17px;
  --fs-body:    19px;
  --fs-small:   15px;
  --fs-mono-sm: 13px;
  --fs-mono-xs: 12px;
}

/* ─────────────────────────────────────────
   RESET
───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: var(--fs-base);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ─────────────────────────────────────────
   NOISE / GRID OVERLAY
───────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 47px, var(--border) 47px, var(--border) 48px),
    repeating-linear-gradient(90deg, transparent, transparent 47px, var(--border) 47px, var(--border) 48px);
  opacity: 0.13;
  pointer-events: none;
  z-index: 0;
}

/* ─────────────────────────────────────────
   LAYOUT HELPERS
───────────────────────────────────────── */
.wrap {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.label {
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 10px;
}
.label::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}

/* ─────────────────────────────────────────
   NAV
───────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(9,9,11,0.88);
  backdrop-filter: blur(12px);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  gap: 16px;
}
.logo {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 24px;
  letter-spacing: -0.03em;
  color: var(--white);
  flex-shrink: 0;
}
.logo span { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-family: var(--mono);
  font-size: var(--fs-mono-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #b0b0c0;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav-links a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.nav-cta {
  font-family: var(--mono);
  font-size: var(--fs-mono-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--accent);
  color: var(--bg);
  padding: 8px 16px;
  font-weight: 700;
  transition: opacity 0.2s;
  flex-shrink: 0;
  border-radius: 4px;
}
.nav-cta:hover { opacity: 0.85; }

/* Nav icons group */
.nav-icons {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.nav-font-toggle {
  display: none;
  align-items: center;
  gap: 3px;
  background: none;
  border: 1px solid var(--border2);
  border-radius: 4px;
  cursor: pointer;
  padding: 5px 9px;
  flex-shrink: 0;
  transition: border-color 0.2s;
}
.nav-font-toggle:hover { border-color: var(--muted2); }
.nav-font-toggle span {
  font-family: var(--mono);
  color: var(--muted);
  line-height: 1;
  transition: color 0.2s;
  user-select: none;
}
.nav-font-toggle .fnt-s { font-size: 10px; }
.nav-font-toggle .fnt-l { font-size: 14px; }
.nav-font-toggle .fnt-sep { font-size: 10px; color: var(--muted2); }
html.font-lg .nav-font-toggle .fnt-l { color: var(--accent); }
html:not(.font-lg) .nav-font-toggle .fnt-s { color: var(--accent); }

/* Compensar nav sticky en anchor links */
section[id],
[id="hero"],
[id="serveis"],
[id="projectes"],
[id="principis"],
[id="com-treballem"],
[id="stack"],
[id="journal"],
[id="contacte"] {
  scroll-margin-top: 80px;
}

#hero {
  padding: 64px 0 56px;
  border-bottom: 1px solid var(--border);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: end;
}
.hero-label { margin-bottom: 20px; }
.hero-title {
  font-size: clamp(50px, 7.5vw, 100px);
  font-weight: 800;
  line-height: 0.93;
  letter-spacing: -0.04em;
  color: var(--white);
}
.hero-title .line-accent { color: var(--accent); display: block; }
.hero-title .line-dim { color: var(--muted); display: block; }
.hero-right { padding-bottom: 6px; }
.hero-manifest {
  font-size: var(--fs-body);
  line-height: 1.75;
  color: #a8a8b4;
  margin-bottom: 28px;
  max-width: 420px;
}
.hero-manifest strong { color: var(--text); font-weight: 600; }
.cta-row {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--mono);
  font-size: var(--fs-mono-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 13px 22px;
  border-radius: 4px;
  transition: opacity 0.2s;
}
.btn-primary:hover { opacity: 0.85; }
.btn-secondary {
  font-family: var(--mono);
  font-size: var(--fs-mono-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border2);
  padding: 12px 20px;
  border-radius: 4px;
  transition: color 0.2s, border-color 0.2s;
}
.btn-secondary:hover { color: var(--text); border-color: var(--muted2); }
.hero-stats {
  margin-top: 36px;
  display: flex;
  gap: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.stat-num {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 28px;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat-num span { color: var(--accent); }
.stat-label {
  font-family: var(--mono);
  font-size: var(--fs-mono-xs);
  color: var(--muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: 4px;
}

/* ─────────────────────────────────────────
   SECTION COMMON
───────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 24px;
  flex-wrap: wrap;
}
.section-title {
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--white);
  line-height: 1.0;
  margin-top: 12px;
}
.section-title span,
.section-title .line-accent { color: var(--accent); }
.section-sub {
  font-size: var(--fs-body);
  color: var(--muted);
  max-width: 340px;
  text-align: right;
  line-height: 1.6;
}

/* ─────────────────────────────────────────
   SERVICES
───────────────────────────────────────── */
#serveis {
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}
.service-card {
  background: var(--bg);
  padding: 32px 28px;
  position: relative;
  transition: background 0.2s;
  cursor: default;
}
.service-card:hover { background: var(--surface); }
.service-card:hover .service-num { color: var(--accent); }
.service-num {
  font-family: var(--mono);
  font-size: calc(var(--fs-mono-xs) * 1.25);
  letter-spacing: 0.2em;
  color: var(--muted2);
  margin-bottom: 16px;
  transition: color 0.2s;
}
.service-icon { font-size: 26px; margin-bottom: 12px; line-height: 1; }
.service-name { font-size: 20px; font-weight: 700; color: var(--white); margin-bottom: 8px; letter-spacing: -0.01em; }
.service-desc { font-size: var(--fs-small); color: #9a9aaa; line-height: 1.7; }
.service-tags { margin-top: 16px; display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
  font-family: var(--mono);
  font-size: var(--fs-mono-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border2);
  padding: 3px 8px;
}

/* ─────────────────────────────────────────
   PROJECTS
───────────────────────────────────────── */
#projectes {
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  margin-top: 40px;
}
.project-row {
  background: var(--bg);
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 22px 28px;
  transition: background 0.2s;
  cursor: default;
}
.project-row-link {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}
.project-row-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}
.project-row:hover { background: var(--surface); }
.project-num { font-family: var(--mono); font-size: calc(var(--fs-mono-xs) * 1.25); color: var(--accent); letter-spacing: 0.12em; transition: color 0.2s; font-weight: 700; }
.project-name { font-size: 20px; font-weight: 700; color: var(--white); letter-spacing: -0.02em; margin-bottom: 4px; }
.project-desc { font-size: var(--fs-small); color: var(--muted); max-width: 520px; }
.project-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.status-badge { font-family: var(--mono); font-size: var(--fs-mono-xs); letter-spacing: 0.14em; text-transform: uppercase; padding: 4px 10px; border: 1px solid; }
.status-active  { color: var(--accent); border-color: rgba(232,255,71,0.3); }
.status-beta    { color: #60a5fa; border-color: rgba(96,165,250,0.3); }
.status-planned { color: var(--muted); border-color: var(--border2); }

/* ─────────────────────────────────────────
   PRINCIPLES (strip)
───────────────────────────────────────── */
#principis {
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}
.principles-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  margin-bottom: 40px;
}
.principles-intro-text { font-size: var(--fs-body); color: #9a9aaa; line-height: 1.75; margin-top: 12px; }
.principles-intro-text strong { color: var(--text); }
.principles-cta { margin-top: 20px; }
.principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
}
.principle-tile {
  background: var(--bg);
  padding: 22px 18px;
  position: relative;
  transition: background 0.2s;
}
.principle-tile:hover { background: var(--surface); }
.principle-tile:hover .p-num { color: var(--accent); }
.p-num { font-family: var(--mono); font-size: calc(var(--fs-mono-xs) * 1.25); color: var(--muted2); letter-spacing: 0.16em; margin-bottom: 8px; display: block; transition: color 0.2s; }
.p-title { font-size: var(--fs-small); font-weight: 700; color: var(--text); line-height: 1.4; letter-spacing: -0.01em; }

/* ─────────────────────────────────────────
   JOURNAL
───────────────────────────────────────── */
#journal {
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  margin-top: 40px;
}
.post-card {
  background: var(--bg);
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  transition: background 0.2s;
  cursor: default;
}
.post-card:hover { background: var(--surface); }
.post-series { font-family: var(--mono); font-size: var(--fs-mono-xs); letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.post-title { font-size: 17px; font-weight: 700; color: var(--white); letter-spacing: -0.01em; line-height: 1.35; margin-bottom: 8px; flex: 1; }
.post-desc { font-size: var(--fs-small); color: var(--muted); line-height: 1.65; margin-bottom: 14px; }
.post-footer { display: flex; align-items: center; justify-content: space-between; }
.post-date { font-family: var(--mono); font-size: var(--fs-mono-xs); color: var(--muted2); letter-spacing: 0.1em; }
.post-arrow { font-size: 12px; color: var(--muted2); transition: color 0.2s, transform 0.2s; }
.post-card:hover .post-arrow { color: var(--accent); transform: translateX(3px); }

/* ─────────────────────────────────────────
   CONTACT
───────────────────────────────────────── */
#contacte { padding: 64px 0; }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-title { font-size: clamp(36px, 5.5vw, 68px); font-weight: 800; letter-spacing: -0.04em; color: var(--white); line-height: 0.95; margin-top: 14px; }
.contact-title span { color: var(--accent); }
.contact-sub { margin-top: 16px; font-size: var(--fs-body); color: var(--muted); line-height: 1.7; max-width: 380px; }
.contact-form { display: flex; flex-direction: column; gap: 12px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label { font-family: var(--mono); font-size: var(--fs-mono-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.form-field input,
.form-field textarea,
.form-field select {
  background: var(--surface);
  border: 1px solid var(--border2);
  color: var(--text);
  font-family: var(--sans);
  font-size: var(--fs-small);
  padding: 10px 14px;
  outline: none;
  transition: border-color 0.2s;
  resize: none;
  appearance: none;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus { border-color: var(--accent); }
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--muted2); }
.form-field.full { grid-column: 1 / -1; }
.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--mono);
  font-size: var(--fs-mono-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 28px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
  width: 100%;
  margin-top: 4px;
  border-radius: 4px;
}
.btn-submit:hover { opacity: 0.85; }

/* ─────────────────────────────────────────
   FOOTER
───────────────────────────────────────── */
footer { border-top: 1px solid var(--border); padding: 24px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-logo { font-weight: 800; font-size: 22px; letter-spacing: -0.02em; color: var(--white); }
.footer-logo span { color: var(--accent); }
.footer-links { display: flex; gap: 24px; list-style: none; }
.footer-links a { font-family: var(--mono); font-size: var(--fs-mono-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }
.footer-right { font-family: var(--mono); font-size: var(--fs-mono-xs); color: var(--muted2); letter-spacing: 0.1em; text-align: right; line-height: 1.8; }

/* ─────────────────────────────────────────
   ANIMATIONS
───────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-label { animation: fadeUp 0.5s 0.1s ease both; }
.hero-title { animation: fadeUp 0.55s 0.2s ease both; }
.hero-right { animation: fadeUp 0.55s 0.3s ease both; }
.hero-stats { animation: fadeUp 0.5s 0.4s ease both; }

/* ─────────────────────────────────────────
   COM TREBALLEM
───────────────────────────────────────── */
#com-treballem { padding: 56px 0; border-bottom: 1px solid var(--border); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); margin-bottom: 1px; }
.step { background: var(--bg); padding: 32px 24px 36px; position: relative; transition: background 0.25s; cursor: default; }
.step:hover { background: var(--surface); }
.step:hover .step-num { color: var(--accent); }
.step:hover .step-line { width: 100%; }
.step-line { position: absolute; top: 0; left: 0; height: 2px; width: 0; background: var(--accent); transition: width 0.4s cubic-bezier(0.4,0,0.2,1); }
.step:first-child .step-line { width: 100%; }
.step:first-child .step-num  { color: var(--accent); }
.step-num { font-family: var(--mono); font-size: calc(var(--fs-mono-xs) * 1.25); letter-spacing: 0.2em; color: var(--muted2); margin-bottom: 20px; transition: color 0.2s; }
.step-icon { font-size: 24px; margin-bottom: 12px; line-height: 1; }
.step-title { font-size: 19px; font-weight: 700; color: var(--white); letter-spacing: -0.02em; margin-bottom: 10px; line-height: 1.2; }
.step-desc { font-size: var(--fs-small); color: #9a9aaa; line-height: 1.7; margin-bottom: 16px; }
.step-items { display: flex; flex-direction: column; gap: 5px; }
.step-item { font-family: var(--mono); font-size: var(--fs-mono-xs); color: var(--muted); letter-spacing: 0.08em; display: flex; align-items: center; gap: 8px; }
.step-item::before { content: ''; width: 4px; height: 4px; background: var(--muted2); border-radius: 50%; flex-shrink: 0; transition: background 0.2s; }
.step:hover .step-item::before { background: var(--accent); }
.connector { background: var(--border); height: 1px; position: relative; margin-bottom: 32px; }
.connector-dot { position: absolute; top: 50%; transform: translateY(-50%); width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }
.connector-dot:nth-child(1) { left: calc(12.5% - 3px); }
.connector-dot:nth-child(2) { left: calc(37.5% - 3px); }
.connector-dot:nth-child(3) { left: calc(62.5% - 3px); }
.connector-dot:nth-child(4) { left: calc(87.5% - 3px); }
.promise { background: var(--surface); border: 1px solid var(--border2); padding: 28px 36px; display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center; }
.promise-text { font-size: var(--fs-body); color: #9a9aaa; line-height: 1.7; max-width: 580px; }
.promise-text strong { color: var(--text); }
.promise-cta { display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: var(--bg); font-family: var(--mono); font-size: var(--fs-mono-xs); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 13px 20px; white-space: nowrap; text-decoration: none; transition: opacity 0.2s; flex-shrink: 0; border-radius: 4px; }
.promise-cta:hover { opacity: 0.85; }

/* ─────────────────────────────────────────
   STACK TECNOLÒGIC
───────────────────────────────────────── */
#stack { padding: 56px 0 0; }
.stack-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); }
.stack-grid .cat-card:nth-child(4) { grid-column: 1; }
.stack-grid .cat-card:nth-child(5) { grid-column: 2 / 4; }
.cat-card { background: var(--bg); padding: 32px 28px 36px; position: relative; transition: background 0.2s; cursor: default; }
.cat-card:hover { background: var(--surface); }
.cat-card:hover .cat-bar { width: 100%; }
.cat-card:hover .cat-num { color: var(--accent); }
.cat-bar { position: absolute; top: 0; left: 0; height: 2px; width: 0; background: var(--accent); transition: width 0.4s cubic-bezier(0.4,0,0.2,1); }
.cat-num { font-family: var(--mono); font-size: calc(var(--fs-mono-xs) * 1.25); letter-spacing: 0.2em; color: var(--muted2); margin-bottom: 16px; transition: color 0.2s; }
.cat-icon { font-size: 22px; margin-bottom: 10px; line-height: 1; }
.cat-name { font-size: 18px; font-weight: 700; color: var(--white); letter-spacing: -0.02em; margin-bottom: 6px; }
.cat-desc { font-size: var(--fs-small); color: var(--muted); line-height: 1.6; margin-bottom: 20px; max-width: 320px; }
.tech-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tech { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: var(--fs-mono-xs); letter-spacing: 0.08em; color: var(--text); background: var(--surface); border: 1px solid var(--border2); padding: 4px 9px; transition: border-color 0.2s, color 0.2s; }
.cat-card:hover .tech { border-color: rgba(232,255,71,0.2); }
.tech-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--muted2); flex-shrink: 0; transition: background 0.2s; }
.cat-card:hover .tech-dot { background: var(--accent); }
.tech.core { border-color: rgba(232,255,71,0.25); color: var(--accent); }
.tech.core .tech-dot { background: var(--accent); }
.stack-strip { background: var(--surface); border: 1px solid var(--border2); border-top: none; padding: 16px 28px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.strip-label { font-family: var(--mono); font-size: var(--fs-mono-xs); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); white-space: nowrap; margin-right: 8px; }
.strip-legend { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.legend-item { display: flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: var(--fs-mono-xs); color: var(--muted); letter-spacing: 0.08em; }
.legend-dot { width: 5px; height: 5px; border-radius: 50%; }
.legend-dot.core    { background: var(--accent); }
.legend-dot.regular { background: var(--muted2); }

/* ─────────────────────────────────────────
   LOGIN BUTTON
───────────────────────────────────────── */
.nav-login-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--border2);
  border-radius: 4px;
  cursor: pointer;
  color: var(--muted);
  flex-shrink: 0;
  transition: border-color 0.2s, color 0.2s;
}
.nav-login-btn:hover {
  border-color: var(--muted2);
  color: var(--text);
}

/* ─────────────────────────────────────────
   LOGIN OVERLAY + MODAL
───────────────────────────────────────── */
.login-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  z-index: 200;
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
}
.login-overlay.open {
  display: flex;
}
.login-modal {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
  position: relative;
  margin: 0 16px;
}
.login-modal-header {
  margin-bottom: 28px;
}
.login-modal-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}
.login-modal-title span { color: var(--accent); }
.login-modal-sub {
  font-family: var(--mono);
  font-size: var(--fs-mono-xs);
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.login-fields {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 20px;
}
.login-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.login-field label {
  font-family: var(--mono);
  font-size: var(--fs-mono-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.login-field input {
  background: var(--bg);
  border: 1px solid var(--border2);
  color: var(--text);
  font-family: var(--sans);
  font-size: var(--fs-small);
  padding: 10px 14px;
  outline: none;
  border-radius: 4px;
  transition: border-color 0.2s;
}
.login-field input:focus { border-color: var(--accent); }
.login-field input::placeholder { color: var(--muted2); }
.login-submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #09090b;
  font-family: var(--mono);
  font-size: var(--fs-mono-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 13px 24px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: opacity 0.2s;
}
.login-submit:hover { opacity: 0.85; }
.login-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 28px;
  height: 28px;
  background: none;
  border: 1px solid var(--border2);
  border-radius: 4px;
  cursor: pointer;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: border-color 0.2s, color 0.2s;
  line-height: 1;
}
.login-close:hover { border-color: var(--muted2); color: var(--text); }

/* ─────────────────────────────────────────
   LANGUAGE SWITCHER
───────────────────────────────────────── */
.nav-lang-cycle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--border2);
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  flex-shrink: 0;
  transition: border-color 0.2s, background 0.2s;
}
.nav-lang-cycle:hover {
  border-color: var(--muted2);
  background: rgba(255,255,255,0.04);
}

/* Principle tiles com a links */
a.principle-tile {
  cursor: pointer;
  text-decoration: none;
}
a.principle-tile:hover {
  background: var(--surface);
}
a.principle-tile:hover .p-num {
  color: var(--accent);
}


/* ─────────────────────────────────────────
   SETTINGS BUTTON
───────────────────────────────────────── */
.nav-settings-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--border2);
  border-radius: 4px;
  cursor: pointer;
  color: var(--muted);
  flex-shrink: 0;
  transition: border-color 0.2s, color 0.2s, transform 0.4s;
}
.nav-settings-btn:hover { border-color: var(--muted2); color: var(--text); }
.nav-settings-btn.open {
  color: var(--accent);
  border-color: var(--accent);
  transform: rotate(45deg);
}

/* ─────────────────────────────────────────
   SETTINGS TOOLBAR
───────────────────────────────────────── */
.settings-toolbar {
  position: relative;
  z-index: 98;
  background: var(--surface);
  border-bottom: 1px solid var(--border2);
  overflow: hidden;
  max-height: 0;
  pointer-events: none;
  transition: max-height 0.3s cubic-bezier(0.4,0,0.2,1);
}
.settings-toolbar.open {
  max-height: 64px;
  pointer-events: auto;
}
.settings-toolbar-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 52px;
}
.settings-toolbar-label {
  font-family: var(--mono);
  font-size: var(--fs-mono-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.theme-btns {
  display: flex;
  gap: 8px;
}
.theme-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: 1px solid var(--border2);
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: var(--fs-mono-xs);
  letter-spacing: 0.1em;
  color: var(--muted);
  padding: 6px 12px;
  transition: border-color 0.2s, color 0.2s;
}
.theme-btn:hover { border-color: var(--muted2); color: var(--text); }
.theme-btn.active { border-color: var(--accent); color: var(--accent); }
.theme-swatch {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  border: 1px solid rgba(255,255,255,0.15);
  flex-shrink: 0;
}
.theme-swatch-negre { background: #09090b; }
.theme-swatch-gris  { background: linear-gradient(135deg, #5e6262, #303333); }

/* ─────────────────────────────────────────
   LANG DESKTOP (3 botons)
───────────────────────────────────────── */
.nav-lang-desktop {
  display: flex;
  align-items: center;
  border: 1px solid var(--border2);
  border-radius: 4px;
  overflow: hidden;
  flex-shrink: 0;
}
.lang-btn {
  background: none;
  border: none;
  border-right: 1px solid var(--border2);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--muted);
  padding: 0 9px;
  height: 36px;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}
.lang-btn:last-child { border-right: none; }
.lang-btn:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.lang-btn.active { background: var(--accent); color: #09090b; }

/* Mobile: ocultar desktop, mostrar cicle */
.nav-lang-cycle { display: none; }

/* Login error */
.login-error {
  display: none;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: var(--fs-mono-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent2);
  border: 1px solid rgba(255,79,59,0.3);
  border-radius: 4px;
  padding: 10px 14px;
  text-align: center;
}
.login-error.visible { display: block; }

/* ─────────────────────────────────────────
   VALIDACIÓ DE CAMPS
───────────────────────────────────────── */
.field-error-msg {
  display: none;
  font-family: var(--mono);
  font-size: var(--fs-mono-xs);
  letter-spacing: 0.1em;
  color: var(--accent2);
  margin-top: 5px;
}
.field-error-msg.visible { display: block; }

.input-error {
  border-color: var(--accent2) !important;
}
.input-error:focus {
  border-color: var(--accent2) !important;
}

/* Wrapper per contenir overflow horitzontal sense trencar nav sticky */
.page-content {
  overflow-x: hidden;
}

/* Compensar nav en anchors de principis.html */
.principle-row[id] {
  scroll-margin-top: 80px;
}

/* ─────────────────────────────────────────
   SERVICE CARDS AMB FOTO
───────────────────────────────────────── */
.service-card-img {
  padding: 0;
  overflow: hidden;
  min-height: 280px;
  display: flex;
  flex-direction: column;
}
.service-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.22;
  transition: opacity 0.3s;
}
.service-card-img:hover .service-card-bg {
  opacity: 0.32;
}
.service-card-content {
  position: relative;
  z-index: 1;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  height: 100%;
}