:root {
  --ink: #1E2A38;
  --ink-2: #283A4D;
  --paper: #F1E9D8;
  --paper-dim: #D9CDAE;
  --brass: #B08D57;
  --brass-light: #D9B77E;
  --seal: #9A3D31;
  --seal-light: #C4695C;
  --btn-secondary-bg: #2b3f54;
  --btn-secondary-border: rgba(241, 233, 216, 0.25);
}

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

body {
  background: var(--ink);
  color: var(--paper);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
}

.wrap {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
}

/* NAV */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid rgba(241, 233, 216, 0.12);
}

.logo {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 24px;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.logo em {
  color: var(--brass-light);
  font-style: normal;
}

nav a {
  color: var(--paper-dim);
  text-decoration: none;
  font-size: 14px;
  margin-left: 32px;
}

nav a:hover {
  color: var(--paper);
}

.nav-cta {
  border: 1px solid var(--brass);
  padding: 8px 18px;
  border-radius: 2px;
  color: var(--brass-light) !important;
}

/* HERO */
.hero {
  padding: 80px 0 40px;
  position: relative;
}

.eyebrow {
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass-light);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--brass);
}

h1 {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 56px;
  line-height: 1.08;
  max-width: 1200px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

h1 .accent {
  font-style: italic;
  color: var(--brass-light);
}

.sub {
  font-size: 18px;
  color: var(--paper-dim);
  max-width: 1200px;
  margin-top: 26px;
  line-height: 1.7;
}

/* HERO VISUAL */
.hero-visual-frame {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(241, 233, 216, 0.14);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.hero-visual-img {
  width: 100%;
  height: auto;
  display: block;
}

@media(max-width: 720px) {
  .hero-visual-frame {
    border-radius: 6px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
  }
}

/* CHALLENGE DIFFERENTIATION */
.challenge-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 6px 12px;
  border-radius: 20px;
  margin-bottom: 18px;
}

.doc-panel--manuscripts {
  border-top: 3px solid var(--brass);
}

.doc-panel--manuscripts .challenge-tag {
  background: rgba(176, 141, 87, 0.16);
  color: var(--brass-light);
}

.doc-panel--technical {
  border-top: 3px solid var(--seal);
}

.doc-panel--technical .challenge-tag {
  background: rgba(154, 61, 49, 0.16);
  color: var(--seal-light);
}

.img_demo--small {
  max-height: 220px;
  object-fit: cover;
  object-position: top;
}

/* HERO DOCUMENT VISUAL / BLOCKS */
.doc-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 20px;
}

.doc-panel {
  background: var(--ink-2);
  padding: 36px;
  border-radius: 6px;
  border: 1px solid rgba(241, 233, 216, 0.08);
  display: flex;
  flex-direction: column;
}

.doc-panel .tag {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass-light);
  margin-bottom: 14px;
  font-family: monospace;
}

.doc-panel h3 {
  font-family: 'Fraunces', serif;
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--paper);
}

.doc-panel .panel-desc {
  font-size: 14px;
  color: var(--paper-dim);
  margin-bottom: 20px;
  flex-grow: 0;
}

.doc-panel .highlight {
  background: rgba(176, 141, 87, 0.12);
  border-left: 2px solid var(--brass);
  padding: 14px;
  font-size: 14px;
  color: var(--paper);
  border-radius: 0 4px 4px 0;
  margin-bottom: 20px;
  font-style: italic;
}

.doc-panel .btn {
  margin-top: auto;
  width: 100%;
  justify-content: center;
}

/* BUTTONS */
.btn {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 500;
  padding: 16px 28px;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--seal);
  color: var(--paper);
}

.btn-primary:hover {
  background: var(--seal-light);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--btn-secondary-bg);
  border-color: var(--btn-secondary-border);
  color: var(--paper);
}

.btn-secondary:hover {
  border-color: var(--paper-dim);
  background: rgba(43, 63, 84, 0.8);
  transform: translateY(-1px);
}

/* SECTION SHARED */
section {
  padding: 60px 0;
  border-top: 1px solid rgba(241, 233, 216, 0.1);
}

.section-head {
  max-width: 1200px;
  margin-bottom: 40px;
}

.kicker {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass-light);
  margin-bottom: 14px;
}

h2 {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 34px;
  color: var(--paper);
  letter-spacing: -0.01em;
}

.section-head p {
  color: var(--paper-dim);
  margin-top: 14px;
  font-size: 16px;
}

.img_demo {
  width: 100%;
  height: auto;
  
  margin-bottom: 20px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5); /* Un ombreig suau opcional per donar profunditat */
}

/* CONTACT */
.contact-box {
  max-width: 800px;
  border: 1px solid rgba(241, 233, 216, 0.14);
  padding: 40px;
  background: var(--ink-2);
  border-radius: 4px;
}

label {
  display: block;
  font-size: 13px;
  color: var(--paper-dim);
  margin-bottom: 6px;
  margin-top: 18px;
}

label:first-child {
  margin-top: 0;
}

input, textarea, select {
  width: 100%;
  background: var(--ink);
  border: 1px solid rgba(241, 233, 216, 0.2);
  color: var(--paper);
  padding: 11px 12px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  border-radius: 4px;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--brass);
}

textarea {
  min-height: 90px;
  resize: vertical;
}

.contact-box button {
  width: 100%;
  margin-top: 24px;
  justify-content: center;
}

footer {
  border-top: 1px solid rgba(241, 233, 216, 0.1);
  padding: 32px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--paper-dim);
  flex-wrap: wrap;
  gap: 12px;
}

@media(max-width: 720px) {
  h1 { font-size: 38px; }
  .doc-strip { grid-template-columns: 1fr; gap: 16px; }
  nav a { margin-left: 16px; font-size: 13px; }
}