/* ============================================================
   Inoxidable Castillo — Premium Stainless Steel Website
   styles.css
   ============================================================ */

/* ---- CSS Variables ---- */
:root {
  --color-white:       #ffffff;
  --color-off-white:   #f7f7f6;
  --color-light-gray:  #ebebea;
  --color-mid-gray:    #999994;
  --color-dark-gray:   #3a3a38;
  --color-black:       #111110;
  --color-accent:      #8a8a80;
  --color-accent-dark: #5a5a55;
  --color-whatsapp:    #25D366;

  --font-display:  'Cormorant Garamond', Georgia, serif;
  --font-body:     'DM Sans', system-ui, sans-serif;

  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   2rem;
  --space-lg:   4rem;
  --space-xl:   7rem;
  --space-2xl:  11rem;

  --transition: 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.25s ease;

  --max-width: 1380px;
  --nav-h: 72px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 17px;
}

body {
  background-color: var(--color-white);
  color: var(--color-dark-gray);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

a { text-decoration: none; color: inherit; }

ul { list-style: none; }

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 5rem);
}

/* ---- Section spacing ---- */
.section {
  padding-block: var(--space-xl);
}

/* ---- Section header ---- */
.section-header {
  margin-bottom: var(--space-lg);
}

.section-header--center {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.section-label--light {
  color: rgba(255,255,255,0.5);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--color-black);
  letter-spacing: -0.02em;
}

.section-subtitle {
  margin-top: 1.4rem;
  font-size: 1.1rem;
  color: var(--color-mid-gray);
  max-width: 520px;
}

.section-header--center .section-subtitle {
  margin-inline: auto;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1rem 2.4rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.btn--outline {
  border-color: rgba(255,255,255,0.55);
  color: var(--color-white);
  background: transparent;
}

.btn--outline:hover {
  background: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-white);
}

.btn--solid {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.btn--solid:hover {
  background: var(--color-dark-gray);
  border-color: var(--color-dark-gray);
}

.btn--large {
  font-size: 0.9rem;
  padding: 1.15rem 3.2rem;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-light-gray);
}

.nav.scrolled .nav__logo,
.nav.scrolled .nav__links a {
  color: var(--color-black);
}

.nav.scrolled .nav__links .nav__cta {
  color: var(--color-white);
}

.nav.scrolled .nav__burger span {
  background: var(--color-black);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 5rem);
}


.nav__logo img {
  height: clamp(50px, 5vw, 80px);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__links a {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgb(255, 255, 255);
  transition: color var(--transition-fast);
}

.nav__links a:hover {
  color: var(--color-white);
}

.nav.scrolled .nav__links a:hover {
  color: var(--color-black);
}

.nav__links .nav__cta {
  background: var(--color-black);
  color: var(--color-white);
  padding: 0.65rem 1.5rem;
  border: 1px solid var(--color-black);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.nav__links .nav__cta:hover {
  background: transparent;
  color: var(--color-black);
}

.nav.scrolled .nav__links .nav__cta:hover {
  background: transparent;
  color: var(--color-black);
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__burger span {
  display: block;
  width: 26px;
  height: 1.5px;
  background: var(--color-white);
  transition: transform var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast);
}

.nav__burger.open span:first-child { transform: translateY(7.5px) rotate(45deg); }
.nav__burger.open span:last-child  { transform: translateY(-7.5px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--color-black);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateX(100%);
  transition: transform 0.55s cubic-bezier(0.77, 0, 0.175, 1);
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  text-align: center;
}

.mobile-menu nav a {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--color-white);
  letter-spacing: 0.04em;
  transition: color var(--transition-fast);
}

.mobile-menu nav a:hover {
  color: var(--color-mid-gray);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--space-xl);
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Lighter overlay so video shows through clearly */
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(0,0,0,0.42) 0%,
    rgba(0,0,0,0.22) 50%,
    rgba(0,0,0,0.50) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 920px;
}

.hero__label {
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgb(255, 255, 255);
  margin-bottom: 1.5rem;
  opacity: 0;
  text-shadow:0 2px 6px rgba(0,0,0,0.8),
  0 0 12px rgba(0,0,0,0.6);
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-white);
  margin-bottom: 1.75rem;
  opacity: 0;
  text-shadow: 0 2px 24px rgba(0,0,0,0.3);
  0 2px 24px rgba(0,0,0,0.3);
}

.hero__headline em {
  font-style: italic;
  color: rgb(255, 255, 255);
  text-shadow: 0 2px 24px rgba(0,0,0,0.3);
}

.hero__sub {
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  color: rgba(255, 255, 255, 0.993);
  margin-bottom: 2.75rem;
  max-width: 560px;
  line-height: 1.8;
  opacity: 0;
  text-shadow:0 2px 6px rgba(0,0,0,0.8),
  0 0 12px rgba(0,0,0,0.6);

}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  right: clamp(1.5rem, 5vw, 5rem);
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1px;
  height: 70px;
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 100%;
  background: rgba(255,255,255,0.4);
  transform-origin: top;
  animation: scrollLine 2.2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 8rem);
  align-items: center;
}

.about__text {
  max-width: 560px;
}

.about__heading {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-black);
  margin-bottom: 1.75rem;
}

.about__divider {
  width: 48px;
  height: 1px;
  background: var(--color-black);
  margin-bottom: 2rem;
  transform-origin: left;
}

.about__body {
  font-size: 1.05rem;
  color: var(--color-accent-dark);
  margin-bottom: 1.25rem;
  line-height: 1.9;
}

.about__stats {
  display: flex;
  gap: 3rem;
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-light-gray);
}

.about__stats li {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 300;
  line-height: 1;
  color: var(--color-black);
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-mid-gray);
  margin-top: 0.4rem;
}

.about__image-wrap {
  position: relative;
}

.about__img {
  width: 100%;
  height: 620px;
  object-fit: cover;
  display: block;
  background-color: var(--color-light-gray);
}

.about__image-accent {
  position: absolute;
  top: -1.5rem;
  right: -1.5rem;
  width: 60%;
  height: 60%;
  border: 1px solid var(--color-light-gray);
  z-index: -1;
  pointer-events: none;
}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects {
  background: var(--color-off-white);
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 1.5px;
  background: var(--color-light-gray);
}

.project-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background: var(--color-white);
  aspect-ratio: 4/3;
  outline: none;
}

.project-card--wide {
  grid-column: span 2;
  aspect-ratio: 16/7;
}

.project-card__img-wrap {
  position: absolute;
  inset: 0;
}

.project-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-color: var(--color-light-gray);
  transition: transform 0.75s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.project-card:hover .project-card__img-wrap img,
.project-card:focus .project-card__img-wrap img {
  transform: scale(1.06);
}

/* Metallic shimmer on hover */
.project-card__shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    transparent 40%,
    rgba(255,255,255,0.08) 50%,
    transparent 60%
  );
  background-size: 300% 300%;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.project-card:hover .project-card__shimmer {
  opacity: 1;
  animation: shimmer 1.4s ease forwards;
}

@keyframes shimmer {
  0%   { background-position: 200% 200%; }
  100% { background-position: -50% -50%; }
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.15) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2.25rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.project-card:hover .project-card__overlay,
.project-card:focus .project-card__overlay {
  opacity: 1;
}

.project-card__num {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.45);
  margin-bottom: 0.5rem;
}

.project-card__name {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  font-weight: 400;
  color: var(--color-white);
  margin-bottom: 0.6rem;
  line-height: 1.2;
}

.project-card__desc {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.project-card__link {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-white);
  border-bottom: 1px solid rgba(255,255,255,0.35);
  padding-bottom: 2px;
  width: fit-content;
  transition: border-color var(--transition-fast);
}

.project-card:hover .project-card__link {
  border-color: rgba(255,255,255,0.85);
}

/* Ver más button + extra grid */
.projects__more-btn-wrap {
  display: flex;
  justify-content: center;
  padding: 3rem 0 0;
  background: var(--color-off-white);
}

.btn-ver-mas {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: none;
  border: 1px solid var(--color-dark-gray);
  color: var(--color-black);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 1rem 2rem;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-ver-mas:hover {
  background: var(--color-black);
  color: var(--color-white);
}

.btn-ver-mas__icon {
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.btn-ver-mas.expanded .btn-ver-mas__icon {
  transform: rotate(180deg);
}

.projects__grid--extra {
  display: none;
  background: var(--color-light-gray);
  gap: 1.5px;
  grid-template-columns: repeat(3, 1fr);
}

.projects__grid--extra.visible {
  display: grid;
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8,8,8,0.95);
  backdrop-filter: blur(6px);
  cursor: pointer;
}

/* Close button */
.lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: none;
  font-size: 2.2rem;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  z-index: 10;
  line-height: 1;
  transition: color var(--transition-fast);
}

.lightbox__close:hover { color: #fff; }

/* Prev / Next arrows */
.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.7);
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.lightbox__nav:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

.lightbox__nav--prev { left: 1.5rem; }
.lightbox__nav--next { right: 1.5rem; }

/* Stage */
.lightbox__stage {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: 1fr 340px;
  max-width: 1100px;
  width: calc(100% - 160px);
  max-height: 90vh;
  background: #111;
  transform: scale(0.96);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.lightbox.open .lightbox__stage {
  transform: scale(1);
}

.lightbox__img-wrap {
  overflow: hidden;
  max-height: 90vh;
}

.lightbox__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  background-color: #1a1a1a;
  transition: opacity 0.25s ease;
}

.lightbox__img-wrap img.fading {
  opacity: 0;
}

.lightbox__info {
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 1px solid rgba(255,255,255,0.07);
}

.lightbox__num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: rgba(255,255,255,0.3);
  margin-bottom: 0.75rem;
}

.lightbox__title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.15;
  color: var(--color-white);
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.lightbox__desc {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
  flex: 1;
}

.lightbox__footer {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.lightbox__counter {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.3);
  text-transform: uppercase;
}

.lightbox__cta {
  align-self: flex-start;
  font-size: 0.75rem;
  padding: 0.75rem 1.5rem;
}

/* ============================================================
   PROCESS
   ============================================================ */
.process {
  background: var(--color-white);
}

.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: var(--space-lg);
  position: relative;
}

.process__steps::before {
  content: '';
  position: absolute;
  top: 1.5rem;
  left: 2rem;
  right: 2rem;
  height: 1px;
  background: var(--color-light-gray);
}

.process__step {
  padding: 0 2rem;
  padding-top: 4.5rem;
  position: relative;
  opacity: 0;
}

.process__step-num {
  position: absolute;
  top: 0;
  left: 2rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--color-black);
  background: var(--color-white);
  padding-right: 1rem;
  line-height: 3rem;
}

.process__step-line {
  position: absolute;
  top: 1.5rem;
  left: calc(2rem + 2.4rem);
  width: calc(100% - 2rem - 2.4rem);
  height: 1px;
  background: var(--color-black);
  transform-origin: left;
  transform: scaleX(0);
}

.process__step-line--last {
  width: 0;
}

.process__step h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-black);
  margin-bottom: 0.9rem;
  letter-spacing: -0.01em;
}

.process__step p {
  font-size: 0.97rem;
  color: var(--color-accent-dark);
  line-height: 1.8;
}

/* ============================================================
   PROJECT TYPES
   ============================================================ */
.types {
  background: var(--color-off-white);
}

.types__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--color-light-gray);
  margin-top: var(--space-md);
}

.type-card {
  background: var(--color-white);
  overflow: hidden;
  opacity: 0;
}

.type-card__img-wrap {
  height: 320px;
  overflow: hidden;
}

.type-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-color: var(--color-light-gray);
  transition: transform 0.65s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.type-card:hover .type-card__img-wrap img {
  transform: scale(1.04);
}

.type-card__body {
  padding: 2rem 2.25rem 2.5rem;
}

.type-card__tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-mid-gray);
  margin-bottom: 0.75rem;
}

.type-card h3 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 400;
  color: var(--color-black);
  margin-bottom: 0.9rem;
  letter-spacing: -0.01em;
}

.type-card p {
  font-size: 0.95rem;
  color: var(--color-accent-dark);
  line-height: 1.85;
}

/* ============================================================
   HOURS SECTION
   ============================================================ */
.hours {
  background: var(--color-white);
  border-top: 1px solid var(--color-light-gray);
  border-bottom: 1px solid var(--color-light-gray);
}

.hours__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 8rem);
  align-items: center;
}

.hours__heading {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-black);
  margin-bottom: 1.75rem;
}

.hours__body {
  font-size: 1.05rem;
  color: var(--color-accent-dark);
  line-height: 1.9;
  margin-bottom: 2.5rem;
  max-width: 440px;
}

.hours__btn {
  background: var(--color-whatsapp);
  border-color: var(--color-whatsapp);
  color: #fff;
}

.hours__btn:hover {
  background: #1ebe5d;
  border-color: #1ebe5d;
}

/* Schedule card */
.hours__card {
  border: 1px solid var(--color-light-gray);
  padding: 2.75rem 3rem;
}

.hours__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 1.1rem;
}

.hours__row--closed {
  opacity: 0.5;
}

.hours__divider-line {
  height: 1px;
  background: var(--color-light-gray);
}

.hours__day {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--color-black);
  letter-spacing: -0.01em;
}

.hours__time {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-dark-gray);
  letter-spacing: 0.04em;
}

.hours__time--closed {
  color: var(--color-mid-gray);
  font-weight: 300;
}

.hours__contact {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-light-gray);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.hours__contact-item {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1rem;
  color: var(--color-dark-gray);
  transition: color var(--transition-fast);
}

.hours__contact-item:hover {
  color: var(--color-black);
}

.hours__contact-item svg {
  flex-shrink: 0;
  color: var(--color-accent);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.cta-section__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: #1a1a18;
  transform: scale(1.04);
  transition: transform 0.8s ease-out;
}

.cta-section:hover .cta-section__bg {
  transform: scale(1);
}

.cta-section__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.84) 40%, rgba(0,0,0,0.55) 100%);
}

.cta-section__content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  opacity: 0;
}

.cta-section__heading {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-white);
  margin-bottom: 1.5rem;
}

.cta-section__sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-black);
  color: rgba(255,255,255,0.55);
  padding-top: var(--space-lg);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__logo {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.footer__brand p {
  font-size: 0.95rem;
  line-height: 1.75;
  max-width: 260px;
}

.footer__col h4 {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 1.5rem;
}

.footer__col ul li {
  margin-bottom: 0.75rem;
}

.footer__col ul li a,
.footer__col ul li {
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer__col ul li a:hover {
  color: var(--color-white);
}

.footer__bottom {
  padding-block: 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer__bottom p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.04em;
}

.footer__credit a {
  color: rgba(255,255,255,0.45);
  transition: color var(--transition-fast);
}

.footer__credit a:hover {
  color: var(--color-white);
}

/* ============================================================
   SPLASH / PANTALLA DE CARGA
   ============================================================ */
.splash {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #0b0b0b;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.7s ease;
}

/* Textura industrial de fondo — cuadrícula muy sutil */
.splash::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg,   transparent, transparent 39px, rgba(255,255,255,0.018) 39px, rgba(255,255,255,0.018) 40px),
    repeating-linear-gradient(90deg,  transparent, transparent 39px, rgba(255,255,255,0.018) 39px, rgba(255,255,255,0.018) 40px);
  pointer-events: none;
}

/* Viñeta oscura en los bordes */
.splash::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 45%, rgba(0,0,0,0.6) 100%);
  pointer-events: none;
}

.splash__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
}

/* Logo */
.splash__logo {
  width: clamp(150px, 18vw, 210px);
  height: auto;
  opacity: 0;
  animation: splash-logo-in 0.85s cubic-bezier(0.22, 0.61, 0.36, 1) 0.25s forwards;
  filter: drop-shadow(0 0 28px rgba(255,60,60,0.18));
}

@keyframes splash-logo-in {
  from { opacity: 0; transform: scale(0.88) translateY(12px); }
  to   { opacity: 1; transform: scale(1)    translateY(0);    }
}

/* ---- Contenedor barra de soldadura ---- */
.splash__weld-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

/* La barra de acero inoxidable — efecto tubo cilíndrico */
.splash__bar {
  position: relative;
  width: min(420px, 78vw);
  height: 20px;
  border-radius: 4px;
  background: linear-gradient(
    to bottom,
    #2e2e2e  0%,
    #6e6e6e 16%,
    #b8b8b8 34%,
    #e4e4e4 50%,
    #cccccc 66%,
    #848484 82%,
    #3e3e3e 100%
  );
  box-shadow:
    0 3px 14px rgba(0,0,0,0.75),
    inset 0 1px 0 rgba(255,255,255,0.12),
    inset 0 -1px 0 rgba(0,0,0,0.35);
  opacity: 0;
  animation: bar-appear 0.35s ease 0.82s forwards;
}

@keyframes bar-appear {
  to { opacity: 1; }
}

/* Reflejo tipo cepillado sobre la barra */
.splash__bar::before {
  content: '';
  position: absolute;
  inset: 2px 0;
  border-radius: 3px;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 3px,
    rgba(255,255,255,0.04) 3px,
    rgba(255,255,255,0.04) 4px
  );
  pointer-events: none;
}

/* Trail de calor que avanza de izquierda a derecha */
.splash__heat {
  position: absolute;
  inset: -4px 0;
  border-radius: 6px;
  background: linear-gradient(to right,
    rgba(50, 6, 0, 0.65)   0%,
    rgba(140, 20, 0, 0.78) 22%,
    rgba(210, 60, 0, 0.86) 46%,
    rgba(255, 130, 5, 0.92) 64%,
    rgba(255, 210, 60, 0.97) 80%,
    rgba(255, 245, 160, 1)  91%,
    rgba(255, 255, 255, 1)  100%
  );
  transform-origin: left center;
  transform: scaleX(0);
  animation: heat-sweep 1.65s cubic-bezier(0.2, 0.06, 0.38, 1) 0.84s forwards;
}

/* Halo exterior del calor — resplandor difuso */
.splash__heat::after {
  content: '';
  position: absolute;
  inset: -6px 0;
  border-radius: 10px;
  background: inherit;
  filter: blur(11px);
  opacity: 0.5;
}

@keyframes heat-sweep {
  0%   { transform: scaleX(0); }
  100% { transform: scaleX(1); }
}

/* Contenedor del arco — se desplaza de izquierda a derecha */
.splash__arc {
  position: absolute;
  top: 50%;
  left: 1%;
  width: 0;
  height: 0;
  transform: translateY(-50%);
  z-index: 3;
  animation: arc-travel 1.65s cubic-bezier(0.2, 0.06, 0.38, 1) 0.84s forwards;
}

@keyframes arc-travel {
  0%   { left: 1%;  }
  100% { left: 99%; }
}

/* Núcleo del arco — punto brillante (soldadura eléctrica) */
.splash__arc::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  transform: translate(-50%, -50%);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow:
    0 0 3px  2px  #ffffff,
    0 0 9px  5px  rgba(180, 225, 255, 0.95),
    0 0 20px 11px rgba(110, 175, 255, 0.80),
    0 0 40px 20px rgba(70,  130, 255, 0.55),
    0 0 75px 34px rgba(50,  100, 255, 0.28);
}

/* Cono de luz hacia arriba (arco de soldadura típico) */
.splash__arc::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  transform: translate(-50%, -100%);
  width: 56px;
  height: 60px;
  background: radial-gradient(ellipse at bottom center,
    rgba(140, 210, 255, 0.55) 0%,
    rgba(100, 170, 255, 0.22) 45%,
    transparent 75%
  );
  filter: blur(6px);
}

/* Chispas / partículas */
.splash__arc .sp {
  position: absolute;
  top: 0;
  left: 0;
  width: var(--s, 2.5px);
  height: var(--s, 2.5px);
  border-radius: 50%;
  background: rgba(255, 210, 55, 0.96);
  box-shadow: 0 0 4px 1px rgba(255, 175, 35, 0.75);
  opacity: 0;
  /* --tx, --ty, --dur, --dl vienen del HTML inline */
  animation-name: sp-burst;
  animation-duration: var(--dur, 0.44s);
  animation-delay: var(--dl, 0.9s);
  animation-timing-function: ease-out;
  animation-iteration-count: 4;
  animation-fill-mode: none;
}

@keyframes sp-burst {
  0% {
    transform: translate(-50%, -50%) scale(1.8);
    opacity: 1;
  }
  100% {
    transform: translate(calc(-50% + var(--tx, 15px)), calc(-50% + var(--ty, -28px))) scale(0);
    opacity: 0;
  }
}

/* Texto de marca que aparece tras la soldadura */
.splash__brand {
  display: block;
  font-family: var(--font-body, 'DM Sans', sans-serif);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  opacity: 0;
  animation: brand-in 0.65s ease 2.65s forwards;
}

@keyframes brand-in {
  from { opacity: 0; letter-spacing: 0.14em; }
  to   { opacity: 1; letter-spacing: 0.3em;  }
}

/* Fade-out del splash completo */
.splash--out {
  opacity: 0 !important;
  pointer-events: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
  .about__grid {
    grid-template-columns: 1fr;
    max-width: 680px;
    margin-inline: auto;
  }

  .about__img { height: 460px; }

  .projects__grid,
  .projects__grid--extra {
    grid-template-columns: repeat(2, 1fr);
  }

  .project-card--wide {
    grid-column: span 2;
  }

  .process__steps {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 3.5rem;
  }

  .process__steps::before { display: none; }
  .process__step-line { display: none; }

  .process__step {
    padding: 0 1.5rem;
    padding-top: 3.5rem;
  }

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

  .types__grid .type-card:last-child {
    grid-column: span 2;
  }

  .hours__inner {
    grid-template-columns: 1fr;
    max-width: 680px;
    margin-inline: auto;
  }

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

  .lightbox__stage {
    grid-template-columns: 1fr 280px;
    width: calc(100% - 120px);
  }
}

/* Mobile */
@media (max-width: 720px) {
  :root { --space-xl: 4.5rem; }

  .nav__links { display: none; }
  .nav__burger { display: flex; }

  .hero__actions { flex-direction: column; align-items: flex-start; }
  .hero__actions .btn { width: 100%; justify-content: center; }

  .about__stats {
    gap: 1.75rem;
    flex-wrap: wrap;
  }

  .projects__grid,
  .projects__grid--extra {
    grid-template-columns: 1fr;
  }

  .project-card--wide {
    grid-column: span 1;
    aspect-ratio: 4/3;
  }

  .lightbox__stage {
    grid-template-columns: 1fr;
    width: 100%;
    max-height: 100dvh;
    overflow-y: auto;
  }

  .lightbox__img-wrap {
    height: 55vw;
    max-height: 320px;
  }

  .lightbox__info {
    padding: 1.75rem;
    border-left: none;
    border-top: 1px solid rgba(255,255,255,0.07);
  }

  .lightbox__nav--prev { left: 0.5rem; }
  .lightbox__nav--next { right: 0.5rem; }

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

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

  .types__grid .type-card:last-child {
    grid-column: span 1;
  }

  .hours__card {
    padding: 2rem 1.75rem;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

@media (max-width: 480px) {
  .hero__headline    { font-size: 2.4rem; }
  .section-title     { font-size: 2.2rem; }
  .about__heading    { font-size: 2.1rem; }
  .hours__heading    { font-size: 2rem; }
  .cta-section__heading { font-size: 2.1rem; }
  .lightbox__title   { font-size: 1.5rem; }
}