/* =========================================
   XNOVA — Design System
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;700;800;900&family=Inter:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=swap');

/* ---- Variables ---- */
:root {
  --primary:       #002419;
  --primary-mid:   #0e3b2c;
  --primary-light: #3c6755;
  --accent:        #a3d0bb;
  --accent-pale:   #d6ede4;
  --bg:            #f5faf7;
  --surface:       #ffffff;
  --surface-dim:   #edf5f1;
  --text:          #071e13;
  --text-muted:    #546067;
  --border:        #c8ddd5;
  --radius-sm:     4px;
  --radius-md:     8px;
  --shadow-sm:     0 2px 8px rgba(0,36,25,.08);
  --shadow-md:     0 8px 32px rgba(0,36,25,.12);
  --transition:    all .25s ease;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'liga';
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5 {
  font-family: 'Manrope', sans-serif;
  color: var(--primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
  overflow-wrap: break-word;
  word-wrap: break-word;
}
h1 { font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 900; }
h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); font-weight: 800; }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); font-weight: 700; }
h4 { font-size: 1.1rem; font-weight: 700; }
p  { color: var(--text-muted); line-height: 1.75; }

.label {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--primary-light);
}

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}
.section { padding: 6rem 0; }
.section--dark { background: var(--primary); color: #fff; }
.section--dim  { background: var(--surface-dim); }

/* ---- Grid ---- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .875rem 2rem;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-mid); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-ghost {
  border: 2px solid rgba(255,255,255,.3);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; }

/* ---- Cards ---- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card__body { padding: 2rem; }
.card__number {
  font-family: 'Manrope', sans-serif;
  font-size: 4rem;
  font-weight: 900;
  color: var(--accent-pale);
  line-height: 1;
}
.card__icon {
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.card__icon svg { width: 24px; height: 24px; stroke: #fff; fill: none; }

/* Industrial Category Card (based on template.html) */
.cat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: background 0.5s ease, border-color 0.5s ease;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.cat-card__number {
  position: absolute;
  top: 0;
  right: 0;
  padding: 1.5rem;
  font-size: 4rem;
  font-weight: 900;
  color: var(--primary);
  opacity: 0.1;
  transition: opacity 0.3s ease, color 0.3s ease;
  line-height: 1;
}

.cat-card__icon {
  margin-bottom: 3rem;
  color: var(--primary);
  transition: color 0.3s ease;
}

.cat-card__icon .material-symbols-outlined {
  font-size: 3rem;
}

.cat-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  transition: color 0.3s ease;
}

.cat-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.6;
  transition: color 0.3s ease;
}

.cat-card__link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--primary);
  transition: color 0.3s ease;
  margin-top: auto;
}

/* Hover State */
.cat-card:hover {
  background: var(--primary);
  border-color: var(--primary);
}

.cat-card:hover .cat-card__number {
  opacity: 0.2;
  color: #fff;
}

.cat-card:hover .cat-card__icon,
.cat-card:hover h3,
.cat-card:hover p,
.cat-card:hover .cat-card__link {
  color: #fff;
}

.cat-card:hover p {
  color: rgba(255,255,255,0.7);
}

/* ---- Header / Nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245,250,247,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.logo-svg-inline {
  height: 28px;
  width: auto;
  display: block;
}
/* Light header logo branding colors */
.site-header .logo-svg-inline .cls-1 {
  fill: var(--primary-light);
  transition: fill .3s ease;
}
.site-header .logo-svg-inline .cls-2 {
  fill: var(--primary);
  transition: fill .3s ease;
}
.site-header .logo:hover .logo-svg-inline .cls-1 {
  fill: var(--primary);
}
.site-header .logo:hover .logo-svg-inline .cls-2 {
  fill: var(--primary-light);
}

.nav-main {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav-main a {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: var(--transition);
  position: relative;
}
.nav-main a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--primary);
  transition: width .25s ease;
}
.nav-main a:hover,
.nav-main a.active { color: var(--primary); }
.nav-main a:hover::after,
.nav-main a.active::after { width: 100%; }

.header-cta { display: flex; align-items: center; gap: 1rem; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--primary);
  z-index: 99;
  padding: 5rem 2rem 2rem;
  flex-direction: column;
  gap: 1.5rem;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-family: 'Manrope', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.1);
  padding-bottom: 1rem;
}
.mobile-nav__close {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  color: #fff;
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,36,25,.85) 0%, rgba(14,59,44,.6) 100%);
}
.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  padding: .4rem 1rem;
  border-radius: 100px;
  margin-bottom: 2rem;
}
.hero__badge span { font-size: .65rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--accent); }
.hero h1 { color: #fff; margin-bottom: 1.5rem; }
.hero h1 em { color: var(--accent); font-style: normal; }
.hero p { color: rgba(255,255,255,.75); max-width: 560px; font-size: 1.1rem; margin-bottom: 2.5rem; }
.hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero__stats {
  position: absolute;
  bottom: 3rem; right: 0;
  background: var(--surface);
  border-left: 4px solid var(--primary);
  padding: 2rem 2.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  z-index: 1;
}
.hero__stat-value {
  font-family: 'Manrope', sans-serif;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--primary);
}
.hero__stat-label { font-size: .65rem; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; color: var(--text-muted); }

/* ---- Section Header ---- */
.section-header { margin-bottom: 4rem; }
.section-header--center { text-align: center; }
.section-header p { max-width: 600px; margin-top: 1rem; }
.section-header--center p { margin: 1rem auto 0; }

/* ---- Tag / Chip ---- */
.chip {
  display: inline-block;
  padding: .25rem .75rem;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: var(--accent-pale);
  color: var(--primary);
  border-radius: 100px;
}
.chip--dark { background: var(--primary); color: #fff; }

/* ---- Why Xnova Premium ---- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.why-item {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 3rem 2.5rem;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.why-item:hover {
  background: #fff;
  box-shadow: 0 20px 40px rgba(0,36,25,0.05);
  border-color: var(--primary);
  transform: translateY(-5px);
}
.why-item__icon {
  width: 3.5rem;
  height: 3.5rem;
  background: var(--surface-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  color: var(--primary);
  transition: all 0.4s ease;
}
.why-item:hover .why-item__icon {
  background: var(--primary);
  color: #fff;
}
.why-item__icon .material-symbols-outlined {
  font-size: 1.75rem;
}
.why-item h4 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}
.why-item p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ---- Area Tecnica / Resource Grid ---- */
.resource-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 3rem 2rem;
  transition: all 0.4s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.resource-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--accent);
  transform: translateY(-5px);
}
.resource-card__icon {
  margin-bottom: 2rem;
  color: var(--accent);
}
.resource-card__icon .material-symbols-outlined {
  font-size: 2.5rem;
}
.resource-card h3 {
  color: #fff;
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}
.resource-card p {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 2.5rem;
}
.resource-card .link-arrow {
  margin-top: auto;
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.3s ease;
}
.resource-card:hover .link-arrow {
  gap: 0.8rem;
}

/* ---- News Card ---- */
.news-card { border-radius: var(--radius-md); overflow: hidden; background: var(--surface); border: 1px solid var(--border); }
.news-card__img { aspect-ratio: 16/9; overflow: hidden; }
.news-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.news-card:hover .news-card__img img { transform: scale(1.05); }
.news-card__body { padding: 1.5rem; }
.news-card__meta { display: flex; align-items: center; gap: .75rem; margin-bottom: .75rem; }
.news-card h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.news-card h3 a:hover { color: var(--primary-light); }

/* ---- CTA Banner ---- */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-mid) 100%);
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 28px 28px;
}
.cta-banner h2 { color: #fff; margin-bottom: 1rem; }
.cta-banner p  { color: rgba(255,255,255,.7); margin-bottom: 2rem; }
.cta-banner > * { position: relative; z-index: 1; }

/* ---- Form ---- */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: .5rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: .875rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: .9rem;
  color: var(--text);
  background: var(--surface);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,36,25,.08);
}
.form-group textarea { resize: vertical; min-height: 140px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ---- Footer ---- */
.site-footer {
  background: var(--primary);
  color: rgba(255,255,255,.7);
  padding: 5rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}
.footer-brand .logo { margin-bottom: 1rem; display: inline-block; }
.site-footer .logo-svg-inline {
  height: 28px;
  width: auto;
  display: block;
}
.site-footer .logo-svg-inline .cls-1 {
  fill: var(--accent);
  transition: fill .3s ease;
}
.site-footer .logo-svg-inline .cls-2 {
  fill: #ffffff;
  transition: fill .3s ease;
}
.site-footer .logo:hover .logo-svg-inline .cls-1 {
  fill: #ffffff;
}
.site-footer .logo:hover .logo-svg-inline .cls-2 {
  fill: var(--accent);
}
.footer-brand p { font-size: .875rem; color: rgba(255,255,255,.5); max-width: 280px; line-height: 1.7; }
.footer-col h5 {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.footer-col ul li { margin-bottom: .5rem; }
.footer-col a {
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  transition: var(--transition);
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom p { font-size: .75rem; color: rgba(255,255,255,.3); }

/* ---- Page Hero (inner pages) ---- */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-mid) 100%);
  padding: 6rem 0 4rem;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 28px 28px;
}
.page-hero > .container { position: relative; z-index: 1; }
.page-hero .label { color: var(--accent); margin-bottom: 1rem; display: block; }
.page-hero h1 { color: #fff; margin-bottom: 1rem; }
.page-hero p { color: rgba(255,255,255,.7); max-width: 640px; font-size: 1.1rem; }

/* ---- Breadcrumb ---- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem .5rem;
  font-size: .75rem;
  color: rgba(255,255,255,.4);
  margin-bottom: 2rem;
  line-height: 1.5;
}
.breadcrumb a { color: rgba(255,255,255,.6); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { color: var(--accent); }

/* ---- Divider ---- */
.divider { width: 48px; height: 3px; background: var(--primary); margin: 1.5rem 0; }
.divider--light { background: var(--accent); }
.divider--center { margin: 1.5rem auto; }

/* ---- Tag list ---- */
.tag-list { display: flex; flex-wrap: wrap; gap: .5rem; }

/* ---- Accordion / FAQ ---- */
.accordion-item { border-bottom: 1px solid var(--border); }
.accordion-trigger {
  width: 100%;
  text-align: left;
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  background: none;
  border: none;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
}
.accordion-trigger:hover { color: var(--primary); }
.accordion-trigger svg { flex-shrink: 0; transition: transform .3s ease; }
.accordion-trigger.open svg { transform: rotate(45deg); }
.accordion-body { display: none; padding-bottom: 1.5rem; }
.accordion-body.open { display: block; }

/* ---- Scroll reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---- Utilities ---- */
.text-center { text-align: center; }
.text-white  { color: #fff !important; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-6 { margin-top: 3rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }
.gap-1 { gap: .5rem; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero__stats { display: none; }
}
@media (max-width: 768px) {
  h1 { font-size: clamp(2rem, 7vw, 3rem) !important; }
  h2 { font-size: clamp(1.6rem, 5vw, 2.2rem) !important; }
  .section { padding: 4rem 0; }
  .container { padding: 0 1.25rem; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .nav-main, .header-cta .btn { display: none; }
  .hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  h1 { font-size: clamp(1.75rem, 8vw, 2.2rem) !important; }
  h2 { font-size: clamp(1.4rem, 6vw, 1.8rem) !important; }
}

/* ---- Technical Pattern ---- */
.tech-grid {
  background-image: radial-gradient(rgba(0,36,25,.05) 1px, transparent 1px);
  background-size: 32px 32px;
}
.tech-grid--light {
  background-image: radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
}