/*
 * components.css — Botones, cards, inputs, tags, nav, cursor, footer
 * Inpulso Pro — Diseño Lucía — v2 2026-05-17
 */

/* ═══════════════════════════════════════════════════════════
   BOTONES
   ═══════════════════════════════════════════════════════════ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.01em;
  text-decoration: none;
  border-radius: var(--radius-sm);
  padding: 0.75em 1.5em;
  transition: background 200ms ease, color 200ms ease,
              border-color 200ms ease, transform 120ms ease,
              box-shadow 200ms ease;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn:active {
  transform: scale(0.98);
}

/* Primary */
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: 1px solid transparent;
}
.btn-primary:hover {
  background: var(--accent-hover);
}

/* Secondary */
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-default);
}
.btn-secondary:hover {
  border-color: var(--border-strong);
  background: rgba(245, 242, 238, 0.04);
}

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  padding-left: 0;
  padding-right: 0;
}
.btn-ghost:hover {
  color: var(--text-primary);
}
.btn-ghost::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--text-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 300ms var(--ease-out-expo);
}
.btn-ghost:hover::after {
  transform: scaleX(1);
}

/* Sizes */
.btn-sm {
  font-size: 13px;
  padding: 0.6em 1.2em;
}
.btn-lg {
  font-size: 15px;
  padding: 1em 2em;
}

/* ═══════════════════════════════════════════════════════════
   NAVEGACIÓN
   ═══════════════════════════════════════════════════════════ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: var(--space-4) var(--gutter);
  transition: background 300ms ease, backdrop-filter 300ms ease,
              border-color 300ms ease;
  border-bottom: 1px solid transparent;
}

.nav--scrolled {
  background: rgba(12, 10, 9, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border-subtle);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

.nav-logo__icon {
  height: 26px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.82;
  flex-shrink: 0;
}

.footer-logo__brand {
  height: 26px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.35;
  display: block;
  flex-shrink: 0;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  letter-spacing: -0.005em;
  transition: color 200ms ease;
}

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

.nav-cta {
  flex-shrink: 0;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  transition: transform 250ms ease, opacity 250ms ease;
}

.nav-hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-base);
  z-index: calc(var(--z-nav) - 1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
}

.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu a {
  font-family: var(--font-display);
  font-size: var(--text-display-s);
  color: var(--text-primary);
  text-decoration: none;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 300ms ease, transform 300ms ease, color 200ms ease;
}

.mobile-menu.is-open a {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu.is-open a:nth-child(1) { transition-delay: 60ms; }
.mobile-menu.is-open a:nth-child(2) { transition-delay: 110ms; }
.mobile-menu.is-open a:nth-child(3) { transition-delay: 160ms; }
.mobile-menu.is-open a:nth-child(4) { transition-delay: 210ms; }
.mobile-menu.is-open a:nth-child(5) { transition-delay: 260ms; }

.mobile-menu a:hover {
  color: var(--text-secondary);
}

@media (max-width: 900px) {
  .nav-links   { display: none; }
  .nav-hamburger { display: flex; }
}

/* ═══════════════════════════════════════════════════════════
   CURSOR PERSONALIZADO
   ═══════════════════════════════════════════════════════════ */

.cursor-dot {
  position: fixed;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-primary);
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate(-50%, -50%);
  top: 0;
  left: 0;
  will-change: transform;
}

.cursor-outline {
  position: fixed;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(245, 242, 238, 0.4);
  pointer-events: none;
  z-index: calc(var(--z-cursor) - 1);
  transform: translate(-50%, -50%);
  top: 0;
  left: 0;
  transition: width 200ms ease, height 200ms ease,
              opacity 200ms ease, background 200ms ease,
              border-color 200ms ease;
  will-change: transform;
}

/* Hover sobre links */
body.cursor-hover .cursor-dot {
  opacity: 0;
}
body.cursor-hover .cursor-outline {
  width: 52px;
  height: 52px;
  background: var(--accent-subtle);
  border-color: var(--accent);
}

/* Hover sobre botones primarios */
body.cursor-btn .cursor-dot {
  opacity: 0;
}
body.cursor-btn .cursor-outline {
  width: 68px;
  height: 68px;
  background: var(--accent-muted);
  border-color: var(--accent);
}

@media (hover: none), (max-width: 767px) {
  .cursor-dot,
  .cursor-outline { display: none !important; }
}

/* ═══════════════════════════════════════════════════════════
   CARDS DE CASOS DE ESTUDIO
   ═══════════════════════════════════════════════════════════ */

.case-card {
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 250ms ease, transform 300ms var(--ease-out-expo);
}

.case-card:hover {
  border-color: var(--border-default);
  transform: translateY(-4px);
}

.case-card__image {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg-overlay);
  overflow: hidden;
}

.case-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 600ms var(--ease-out-expo);
  filter: brightness(0.75) saturate(0.85);
}

.case-card:hover .case-card__image img {
  transform: scale(1.04);
  filter: brightness(0.85) saturate(0.9);
}

.case-card__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: var(--space-4);
  background: linear-gradient(145deg, #1A100A 0%, #2B1710 55%, #1A100A 100%);
  position: relative;
  overflow: hidden;
}

/* Textura de puntos tenue */
.case-card__image-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(245,242,238,0.06) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
}

/* Ciudad inicial — gran tipografía editorial de fondo */
.case-card__image-placeholder::after {
  content: attr(data-city);
  position: absolute;
  bottom: -0.12em;
  right: -0.04em;
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 7rem);
  color: rgba(194, 65, 12, 0.10);
  line-height: 1;
  letter-spacing: -0.06em;
  pointer-events: none;
  white-space: nowrap;
}

/* Variantes por ciudad */
.case-card__image-placeholder[data-city="BOG"] {
  background: linear-gradient(145deg, #1A0E0B 0%, #2C1A12 50%, #1A0E0B 100%);
}
.case-card__image-placeholder[data-city="MED"] {
  background: linear-gradient(145deg, #0C1510 0%, #1A2B1C 50%, #0C1510 100%);
}
.case-card__image-placeholder[data-city="BOG·N"] {
  background: linear-gradient(145deg, #0D0E18 0%, #181A2E 50%, #0D0E18 100%);
}
.case-card__image-placeholder[data-city="BOG·N"]::after {
  color: rgba(99, 102, 241, 0.10);
}
.case-card__image-placeholder[data-city="MED"]::after {
  color: rgba(22, 163, 74, 0.10);
}

/* Etiqueta de desarrollo */
.case-card__image-placeholder span {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-tertiary);
  background: rgba(12,10,9,0.7);
  border: 1px solid var(--border-subtle);
  padding: 0.2em 0.5em;
  border-radius: var(--radius-sm);
  opacity: 0.6;
  backdrop-filter: blur(4px);
}

.case-card__metric {
  padding: var(--space-6) var(--space-6) 0;
}

.case-card__number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
  display: block;
}

.case-card__metric-label {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: var(--space-1);
  display: block;
}

.case-card__body {
  padding: var(--space-4) var(--space-6) var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.case-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.case-card__client {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.case-card__city {
  font-family: var(--font-mono);
  font-size: var(--text-mono-s);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.case-card__quote {
  font-family: var(--font-body);
  font-size: 15px;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.6;
  border-left: 2px solid var(--accent-muted);
  padding-left: var(--space-4);
  margin-top: auto;
}

.case-card .btn-ghost {
  margin-top: var(--space-4);
  font-size: 13px;
}

/* ═══════════════════════════════════════════════════════════
   BENTO GRID CARDS (ICP)
   ═══════════════════════════════════════════════════════════ */

.bento-card {
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  transition: border-color 300ms ease;
  transform-style: preserve-3d;
  will-change: transform;
}

.bento-card:hover {
  border-color: var(--border-default);
}

.bento-card__number {
  font-family: var(--font-mono);
  font-size: var(--text-mono-s);
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-6);
  display: block;
}

.bento-card__heading {
  font-family: var(--font-display);
  font-size: var(--text-display-s);
  color: var(--text-primary);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: var(--space-4);
}

.bento-card__body {
  font-family: var(--font-body);
  font-size: var(--text-body-m);
  color: var(--text-secondary);
  line-height: 1.6;
}

.bento-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.bento-card--large .bento-card__heading {
  font-size: var(--text-display-m);
}

/* ═══════════════════════════════════════════════════════════
   FORMULARIO DE CONTACTO
   ═══════════════════════════════════════════════════════════ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-family: var(--font-mono);
  font-size: var(--text-mono-s);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.form-input,
.form-textarea,
.form-select {
  background: var(--bg-raised);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--text-body-m);
  padding: var(--space-3) var(--space-4);
  width: 100%;
  transition: border-color 200ms ease, background 200ms ease;
  -webkit-appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--border-strong);
  background: var(--bg-overlay);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-tertiary);
}

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

/* ═══════════════════════════════════════════════════════════
   LOGO INPULSO (inline SVG via text fallback)
   ═══════════════════════════════════════════════════════════ */

.logo-inpulso {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 400;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.logo-inpulso .logo-dot {
  color: var(--accent);
}