/* ============================================================
   QUÍMICOS FUNCIONALES — home.css
   ============================================================ */

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(14, 29, 59, 0.55) 0%,
    rgba(14, 29, 59, 0.35) 60%,
    rgba(244, 98, 31, 0.20) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: var(--space-16) var(--container-px) var(--space-24);
  max-width: var(--container-max);
  margin-inline: auto;
  width: 100%;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  opacity: 0;
  animation: fadeInDown 0.8s 0.3s var(--ease-out) forwards;
}

.hero-eyebrow-line {
  width: 40px;
  height: 2px;
  background: var(--color-orange);
}

.hero-eyebrow-text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-orange);
}

.hero-title {
  font-size: clamp(var(--text-5xl), 9vw, 8rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 0.95;
  text-transform: uppercase;
  max-width: 14ch;
  margin-bottom: var(--space-8);
}

.hero-title-line {
  overflow: hidden;
  display: block;
}

.hero-title-line span {
  display: block;
  opacity: 0;
  transform: translateY(110%);
  animation: slideUp 0.8s var(--ease-out) forwards;
}

.hero-title-line:nth-child(1) span { animation-delay: 0.4s; }
.hero-title-line:nth-child(2) span { animation-delay: 0.5s; }
.hero-title-line:nth-child(3) span { animation-delay: 0.6s; }

.hero-title-accent {
  color: var(--color-orange);
  -webkit-text-stroke: 0px;
}

.hero-sub {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: rgba(255,255,255,0.7);
  font-weight: 300;
  max-width: 42ch;
  line-height: 1.6;
  margin-bottom: var(--space-10);
  opacity: 0;
  animation: fadeInUp 0.8s 0.8s var(--ease-out) forwards;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.8s 0.95s var(--ease-out) forwards;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-10);
  right: var(--container-px);
  z-index: 2;
}

.hero-year-badge {
  position: absolute;
  top: calc(var(--header-height) + var(--space-8));
  right: var(--container-px);
  z-index: 2;
  text-align: right;
  opacity: 0;
  animation: fadeIn 1s 1.2s var(--ease-out) forwards;
}

.hero-year-badge .big-year {
  font-family: var(--font-display);
  font-size: clamp(5rem, 10vw, 10rem);
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.12);
  line-height: 1;
  display: block;
}

.hero-year-badge .since-text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(110%); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ===== MARQUEE BAND ===== */
.home-marquee {
  position: relative;
  z-index: 3;
  margin-top: -4px;
}

/* ===== INTRO SECTION ===== */
.section-intro {
  background: var(--color-white);
  padding-block: var(--space-24);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16) var(--space-12);
  align-items: center;
}

.intro-text .section-title {
  margin-bottom: var(--space-6);
}

.intro-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.pillar-card {
  padding: var(--space-6);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.pillar-card:hover {
  border-color: var(--color-orange);
  box-shadow: 0 4px 20px rgba(244,98,31,0.1);
}

.pillar-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(244,98,31,0.08);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
  color: var(--color-orange);
}

.pillar-card h4 {
  font-size: var(--text-base);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-navy);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-2);
}

.pillar-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== IMPACT SECTION ===== */
.section-impact {
  background: var(--color-navy);
  padding-block: var(--space-20);
  position: relative;
  overflow: hidden;
}

.section-impact::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(244,98,31,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.impact-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.impact-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-4xl), 6vw, var(--text-7xl));
  font-weight: 900;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.impact-title span {
  color: var(--color-yellow);
}

/* ===== CATEGORIES GRID ===== */
.section-categories {
  padding-block: var(--space-24);
  background: var(--color-off-white);
}

.categories-intro {
  text-align: center;
  margin-bottom: var(--space-16);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.categories-grid .cat-card:first-child,
.categories-grid .cat-card:last-child {
  grid-column: span 1;
}

/* Big feature cards */
.categories-grid .cat-card--featured {
  grid-row: span 2;
}

.cat-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  text-decoration: none;
}

.cat-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

.cat-card:hover img {
  transform: scale(1.07);
}

.cat-card-overlay {
  position: absolute;
  inset: 0;
  transition: opacity var(--transition-base);
}

.cat-card--orange .cat-card-overlay {
  background: linear-gradient(160deg, rgba(244,98,31,0.85) 0%, rgba(204,77,15,0.7) 100%);
}

.cat-card--navy .cat-card-overlay {
  background: linear-gradient(160deg, rgba(14,29,59,0.85) 0%, rgba(28,51,102,0.7) 100%);
}

.cat-card:hover .cat-card-overlay {
  opacity: 0.9;
}

.cat-card-content {
  position: relative;
  z-index: 2;
  padding: var(--space-6);
}

.cat-card-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-xl), 2.5vw, var(--text-3xl));
  font-weight: 900;
  color: var(--color-white);
  text-transform: uppercase;
  line-height: 1.05;
  margin-bottom: var(--space-3);
}

.cat-card-title span {
  color: var(--color-yellow);
}

.cat-card-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  border-bottom: 1px solid rgba(255,255,255,0.3);
  padding-bottom: 2px;
  transition: all var(--transition-fast);
}

.cat-card:hover .cat-card-cta {
  color: var(--color-white);
  border-color: var(--color-white);
  gap: var(--space-3);
}

/* ===== CLIENTS SECTION ===== */
.section-clients {
  padding-block: var(--space-20);
  background: var(--color-white);
}

.clients-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.clients-track {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  overflow: hidden;
  padding: var(--space-4) 0;
  -webkit-mask: linear-gradient(90deg, transparent 0%, black 15%, black 85%, transparent 100%);
  mask: linear-gradient(90deg, transparent 0%, black 15%, black 85%, transparent 100%);
}

.clients-logos {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  animation: clientsScroll 20s linear infinite;
  flex-shrink: 0;
}

.clients-logos img {
  height: 40px;
  width: auto;
  filter: grayscale(100%) opacity(0.5);
  transition: filter var(--transition-base);
}

.clients-logos img:hover {
  filter: grayscale(0%) opacity(1);
}

@keyframes clientsScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ===== ABOUT MINI SECTION ===== */
.section-about-mini {
  padding-block: var(--space-24);
  background: var(--color-navy);
  position: relative;
  overflow: hidden;
}

.about-mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-mini-text h2 {
  color: var(--color-white);
  margin-bottom: var(--space-6);
}

.about-mini-text h2 span {
  color: var(--color-orange);
}

.about-mini-text p {
  color: rgba(255,255,255,0.65);
  font-weight: 300;
  line-height: 1.75;
  margin-bottom: var(--space-6);
}

.mv-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.mv-card {
  padding: var(--space-6);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(8px);
  transition: border-color var(--transition-base);
}

.mv-card:hover {
  border-color: rgba(244,98,31,0.4);
}

.mv-card-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.mv-card-label::before {
  content: '';
  width: 20px;
  height: 1.5px;
  background: var(--color-orange);
}

.mv-card p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  line-height: 1.65;
}

/* ===== CONTACT CTA ===== */
.section-cta {
  padding-block: var(--space-24);
  background: var(--color-orange);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.section-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.section-cta h2 {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  color: var(--color-white);
  text-transform: uppercase;
  margin-bottom: var(--space-4);
  position: relative;
  z-index: 1;
}

.section-cta p {
  color: rgba(255,255,255,0.8);
  font-size: var(--text-lg);
  margin-bottom: var(--space-10);
  max-width: 50ch;
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.section-cta .cta-btns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1023px) {
  .intro-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .categories-grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-mini-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
}

@media (max-width: 639px) {
  .hero-title {
    font-size: clamp(var(--text-4xl), 11vw, var(--text-6xl));
  }

  .hero-year-badge {
    display: none;
  }

  .intro-pillars {
    grid-template-columns: 1fr;
  }

  .categories-grid {
    grid-template-columns: 1fr;
  }

  .categories-grid .cat-card--featured {
    grid-row: span 1;
  }

  .mv-cards {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}