/* DCM & DICMUSS — Design System
   Profesional / contemporáneo / confiable
   Basado en contraste arquitectónico negro–blanco–piedra de los trabajos reales */

:root {
  /* Sistema visual DCM & DICMUSS — arquitectónico / material */
  --ink: #0e0f10;
  --ink-soft: #2c3034;
  --stone: #6a6f74;
  --line: #d9d6d0;
  --paper: #f1f0ec;
  --paper-deep: #e6e4df;
  --white: #ffffff;
  --accent: #9a1b24;
  --accent-hover: #7a151c;
  --wa: #1f7a4d;
  --wa-hover: #18633e;
  --shadow: 0 18px 50px rgba(14, 15, 16, 0.08);
  --radius: 2px;
  --max: 1180px;
  --max-wide: 1400px;
  --header-h: 72px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Manrope", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

h1,
h2,
.h-display {
  font-family: var(--font-display);
  font-weight: 550;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(2.1rem, 4.5vw, 3.4rem);
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
}

h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
  font-weight: 550;
}

.lead {
  font-size: 1.05rem;
  color: var(--stone);
  max-width: 42rem;
}

.section {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
}

.section-head {
  margin-bottom: 2rem;
  max-width: 40rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 244, 240, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-with-logo {
  flex-direction: row;
  align-items: center;
  gap: 0.75rem;
}

.brand-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  min-width: 0;
}

.brand-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: 50%;
  background: #000;
  flex-shrink: 0;
}

.icon-wa {
  width: 1.15em;
  height: 1.15em;
  display: block;
  flex-shrink: 0;
}

.btn-wa {
  gap: 0.5rem;
}

.btn-wa span {
  line-height: 1;
}

.wa-float {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 120;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--wa);
  color: var(--white);
  display: grid;
  place-items: center;
  box-shadow: 0 10px 30px rgba(31, 122, 77, 0.35);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.wa-float .icon-wa {
  width: 28px;
  height: 28px;
}

.wa-float span {
  display: none;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand-tag {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
  font-weight: 500;
  line-height: 1.2;
}

.nav {
  display: none;
  align-items: center;
  gap: 1.25rem;
}

.nav a {
  font-size: 0.92rem;
  color: var(--ink-soft);
  font-weight: 500;
  transition: color 0.35s ease, opacity 0.35s ease;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown > button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  font-size: 0.92rem;
  color: var(--ink-soft);
  font-weight: 500;
}

.nav-dropdown-panel {
  display: none;
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 0;
  min-width: 220px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 0.5rem;
  z-index: 30;
}

.nav-dropdown:hover .nav-dropdown-panel,
.nav-dropdown:focus-within .nav-dropdown-panel,
.nav-dropdown.is-open .nav-dropdown-panel {
  display: grid;
}

.nav-dropdown-panel a {
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius);
  color: var(--ink) !important;
  font-weight: 500;
}

.nav-dropdown-panel a:hover {
  background: var(--paper);
  color: var(--ink) !important;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(14, 15, 16, 0.18);
  background: rgba(255, 255, 255, 0.92);
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
  transition:
    background 0.35s ease,
    border-color 0.35s ease,
    transform 0.35s ease;
}

.nav-toggle:hover {
  transform: translateY(-1px);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  position: relative;
  transition:
    background 0.3s ease,
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.25s ease;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--ink);
  transition:
    transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    top 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    background 0.3s ease;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.nav-toggle.is-open span {
  background: transparent;
}

.nav-toggle.is-open span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.is-open span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Menú mobile — slide vertical (sin 3D: el rotateX rompía hit-testing de los links) */
.mobile-nav {
  display: block;
  border-top: 1px solid var(--line);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  position: relative;
  z-index: 110;
  background: var(--paper);
  transition:
    max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.3s ease,
    padding 0.3s ease;
}

.mobile-nav.open {
  max-height: min(78vh, 640px);
  opacity: 1;
  padding: 0.85rem 0 1.35rem;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  box-shadow: 0 18px 40px rgba(14, 15, 16, 0.1);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, var(--paper) 100%);
}

.mobile-nav[hidden] {
  display: none !important;
}

.mobile-nav a,
.mobile-nav summary {
  display: block;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  font-weight: 500;
  color: var(--ink);
  position: relative;
  z-index: 1;
  pointer-events: auto;
  transition: color 0.2s ease;
}

.mobile-nav details a {
  padding-left: 0.75rem;
  font-weight: 400;
  color: var(--stone);
}

.mobile-nav .btn-row {
  margin-top: 1rem;
  display: grid;
  gap: 0.65rem;
  border-bottom: 0;
}

.mobile-nav .btn {
  width: 100%;
  max-width: none;
  white-space: nowrap;
  font-size: 0.92rem;
  min-height: 48px;
  padding: 0.75rem 1rem;
  border-bottom: 0;
  opacity: 1;
  transform: none;
}

.mobile-nav .btn-primary {
  background: #fff;
  color: var(--ink) !important;
  border-color: rgba(14, 15, 16, 0.12);
}

.mobile-nav .btn-wa {
  color: var(--white) !important;
}

@media (max-width: 720px) {
  /* El CTA vive en el menú; en header queda ilegible por falta de espacio */
  .header-actions .btn-primary {
    display: none;
  }
}

@media (max-width: 560px) {
  .brand-name {
    font-size: 1rem;
  }

  .brand-logo {
    width: 44px;
    height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mobile-nav,
  .nav-toggle span,
  .nav-toggle span::before,
  .nav-toggle span::after {
    transition: none !important;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 46px;
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 650;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition:
    background 0.35s ease,
    color 0.35s ease,
    border-color 0.35s ease,
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.35s ease;
  text-align: center;
}

.btn-primary {
  background: var(--ink);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--ink-soft);
}

.btn-secondary {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}

.btn-secondary:hover {
  background: var(--ink);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(14, 15, 16, 0.12);
}

.btn-secondary.is-active {
  background: var(--ink);
  color: var(--white);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.btn-wa {
  background: var(--wa);
  color: var(--white);
}

.btn-wa:hover {
  background: var(--wa-hover);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--white);
}

.btn-ghost:hover {
  background: var(--white);
  color: var(--ink);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Hero */
.hero {
  position: relative;
  min-height: min(88vh, 760px);
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(22, 24, 26, 0.25) 0%,
    rgba(22, 24, 26, 0.55) 45%,
    rgba(22, 24, 26, 0.82) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: clamp(4rem, 10vw, 6rem) 0 3.5rem;
  max-width: 40rem;
}

.hero .lead {
  color: rgba(255, 255, 255, 0.85);
}

/* Cards / grids */
.grid-3 {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

.grid-2 {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(14, 15, 16, 0.07);
}

.card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--paper-deep);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.card:hover .card-media img {
  transform: scale(1.04);
}

.card-body {
  padding: 1.15rem 1.2rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  flex: 1;
}

.card-body p {
  margin: 0;
  color: var(--stone);
  font-size: 0.95rem;
}

.card-link {
  margin-top: auto;
  padding-top: 0.85rem;
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.03em;
}

.need-card {
  padding: 1.4rem 1.3rem;
  background: var(--white);
  border: 1px solid var(--line);
  transition:
    border-color 0.4s ease,
    background-color 0.4s ease,
    transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.45s ease;
}

.need-card:hover {
  border-color: rgba(154, 27, 36, 0.28);
  background: #fafaf8;
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(14, 15, 16, 0.06);
}

.need-card p {
  margin: 0;
  color: var(--stone);
}

.need-card h3 {
  transition: color 0.35s ease;
}

.need-card:hover h3 {
  color: var(--accent);
}

/* Why / process */
.why-list {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin: 0;
  padding: 0;
  list-style: none;
}

.why-list li {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.2rem 1.25rem;
}

.why-list strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 550;
}

.why-list p {
  margin: 0;
  color: var(--stone);
  font-size: 0.95rem;
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--accent);
  line-height: 1;
}

.steps p {
  margin: 0.2rem 0 0;
  color: var(--stone);
}

/* Projects */
.project-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.project-tile {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--paper-deep);
  cursor: default;
}

.project-tile[hidden] {
  display: none !important;
}

.project-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition:
    transform 0.75s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.55s ease;
}

.project-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(14, 15, 16, 0);
  transition: background 0.45s ease;
  pointer-events: none;
}

.project-tile:hover img {
  transform: scale(1.08);
  filter: saturate(1.05) contrast(1.03);
}

.project-tile:hover::after {
  background: rgba(14, 15, 16, 0.12);
}

.project-tile figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  padding: 1rem 1.1rem;
  background: linear-gradient(transparent, rgba(22, 24, 26, 0.88));
  color: var(--white);
  transform: translateY(4px);
  transition:
    padding 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.project-tile:hover figcaption {
  padding-bottom: 1.35rem;
  transform: translateY(0);
}

.project-tile figcaption span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: 0.2rem;
}

.note-real {
  font-size: 0.85rem;
  color: var(--stone);
  margin-top: 1rem;
}

/* CTA band */
.cta-band {
  background: var(--ink);
  color: var(--white);
}

.cta-band .lead {
  color: rgba(255, 255, 255, 0.78);
}

/* Page hero (inner) */
.page-hero {
  padding: clamp(3rem, 6vw, 4.5rem) 0 2rem;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, var(--paper-deep), var(--paper));
}

.page-hero .lead {
  margin-bottom: 0;
}

/* Content blocks */
.prose {
  max-width: 44rem;
}

.prose p {
  color: var(--ink-soft);
}

.benefit-grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: 1fr;
  margin: 0;
  padding: 0;
  list-style: none;
}

.benefit-grid li {
  padding: 0.95rem 1rem;
  background: var(--white);
  border-left: 3px solid var(--accent);
  transition:
    background-color 0.4s ease,
    border-color 0.4s ease,
    padding-left 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.4s ease;
}

.benefit-grid li:hover {
  background: #fafaf8;
  border-left-color: var(--accent-hover);
  padding-left: 1.2rem;
  box-shadow: 0 8px 24px rgba(14, 15, 16, 0.05);
}

.split {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.split img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* FAQ */
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 650;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq p {
  color: var(--stone);
  margin: 0.7rem 0 0;
}

/* Form */
.form-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 650;
  margin-bottom: 0.35rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 46px;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: var(--radius);
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.field-check {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-size: 0.92rem;
}

.form-note {
  font-size: 0.85rem;
  color: var(--stone);
  margin: 0.5rem 0 0;
}

.hp-wrap {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
  border: 0 !important;
  pointer-events: none !important;
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.82);
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

.site-footer a {
  transition: color 0.35s ease, opacity 0.35s ease;
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.footer-col h3 {
  color: var(--white);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.footer-col a,
.footer-col p {
  display: block;
  margin: 0.4rem 0;
  font-size: 0.92rem;
}

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
}

/* WhatsApp float */
.wa-float:hover {
  background: var(--wa-hover);
}

/* Stock disclaimer */
.stock-note {
  font-size: 0.8rem;
  color: var(--stone);
  font-style: italic;
}

@media (min-width: 720px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .form-grid.two {
    grid-template-columns: 1fr 1fr;
  }

  .split {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }

  .wa-float {
    width: auto;
    height: auto;
    border-radius: 999px;
    padding: 0.85rem 1.15rem;
    gap: 0.5rem;
    display: inline-flex;
    align-items: center;
    font-size: 0.88rem;
  }

  .wa-float .icon-wa {
    width: 22px;
    height: 22px;
  }

  .wa-float span {
    display: inline;
  }
}

@media (min-width: 980px) {
  .nav {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

  .mobile-nav {
    display: none !important;
  }

  .hide-desktop {
    display: none !important;
  }

  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .project-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .why-list {
    grid-template-columns: repeat(3, 1fr);
  }
}