/* ==========================================================================
   MOMENTUM WEBS — Componentes
   ========================================================================== */

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem var(--edge);
  background: rgba(11, 11, 10, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.navbar.is-scrolled {
  border-bottom-color: var(--c-border);
  background: rgba(5, 5, 5, 0.86);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  z-index: 501;
}
.brand-mark {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}
.brand-mark svg { width: 100%; height: 100%; }
.brand-name-full { display: inline; }

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

.nav-link {
  position: relative;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-white);
  padding: 0.3rem 0;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease-out);
}
.nav-link:hover::after,
.nav-link.is-active::after { transform: scaleX(1); }
.nav-link.is-active { color: var(--c-accent); }

.nav-actions .nav-cta {
  display: none;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  z-index: 501;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--c-white);
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--c-black-deep);
  z-index: 480;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--edge);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out), visibility 0s var(--dur-med);
}
.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out), visibility 0s;
}
.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.mobile-menu-links a {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 9vw, 2.8rem);
  color: var(--c-white);
}
.mobile-menu-links a.is-active { color: var(--c-accent); }
.mobile-menu-foot {
  margin-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.95rem 1.7rem;
  border-radius: 3px;
  border: 1px solid transparent;
  transition: all var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.btn-arrow {
  transition: transform var(--dur-fast) var(--ease-out);
}
.btn:hover .btn-arrow { transform: translate(3px, -3px); }

.btn-primary {
  background: var(--c-accent);
  color: var(--c-black-deep);
}
.btn-primary:hover { background: #c4d67e; }

.btn-outline {
  background: transparent;
  border-color: var(--c-border-strong);
  color: var(--c-white);
}
.btn-outline:hover { border-color: var(--c-accent); color: var(--c-accent); }

.btn-ghost {
  padding: 0;
  border: none;
  background: none;
  font-weight: 600;
  color: var(--c-white);
  position: relative;
  padding-bottom: 0.25rem;
}
.btn-ghost::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  opacity: 0.3;
  transition: opacity var(--dur-fast) var(--ease-out);
}
.btn-ghost:hover::after { opacity: 1; }
.btn-ghost:hover { color: var(--c-accent); }

/* ---------- Section head ---------- */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}
.section-head .display-md { max-width: 20ch; }

/* ---------- Numbered list rows (services / process) ---------- */
.row-list {
  border-top: 1px solid var(--c-border);
}
.row-item {
  display: grid;
  grid-template-columns: 4.5rem 1fr 1.6fr auto;
  align-items: center;
  gap: var(--space-md);
  padding-block: var(--space-lg);
  border-bottom: 1px solid var(--c-border);
  transition: background var(--dur-fast) var(--ease-out);
}
.row-item:hover { background: rgba(242,240,235,0.02); }
.row-num {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--c-gray-dim);
}
.row-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
}
.row-desc { max-width: 42ch; }
.row-link {
  justify-self: end;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--c-border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--dur-fast) var(--ease-out);
}
.row-item:hover .row-link {
  border-color: var(--c-accent);
  background: var(--c-accent);
  color: var(--c-black-deep);
}

/* ---------- Media placeholder ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  background: linear-gradient(155deg, var(--c-surface) 0%, var(--c-black-deep) 100%);
  border: 1px solid var(--c-border);
}
.media-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 40%, rgba(182,201,107,0.06) 50%, transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-med) var(--ease-out);
}
.media-frame:hover::before { opacity: 1; }
.media-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-out);
}
.media-frame:hover img { transform: scale(1.035); }
.media-frame .media-tag {
  position: absolute;
  bottom: var(--space-sm);
  left: var(--space-sm);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-gray);
  font-weight: 600;
  background: rgba(5,5,5,0.55);
  padding: 0.35rem 0.7rem;
  backdrop-filter: blur(6px);
}
.ratio-square { aspect-ratio: 1 / 1; }
.ratio-portrait { aspect-ratio: 4 / 5; }
.ratio-landscape { aspect-ratio: 16 / 10; }
.ratio-wide { aspect-ratio: 21 / 9; }
.ratio-tall { aspect-ratio: 3 / 4; }

/* ---------- Project card ---------- */
.project-card {
  display: block;
  position: relative;
}
.project-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.project-card-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.6vw, 2.4rem);
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
}
.project-card-num {
  font-size: 0.85rem;
  font-family: var(--font-sans);
  color: var(--c-gray-dim);
  font-weight: 600;
}
.project-card-cat {
  font-size: 0.8rem;
  color: var(--c-gray);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.project-card-desc {
  margin-top: 0.6rem;
  max-width: 46ch;
}
.project-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-lg) var(--space-md);
}
.project-grid > * { grid-column: span 12; }
.span-7 { grid-column: span 7; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-8 { grid-column: span 8; }
.span-4 { grid-column: span 4; }

/* ---------- Tags / pills ---------- */
.tag {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--c-border-strong);
  border-radius: 100px;
  color: var(--c-gray);
  letter-spacing: 0.02em;
}

/* ---------- Stat/differential blocks ---------- */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
}
.diff-item {
  background: var(--c-black);
  padding: var(--space-lg) var(--space-md);
}
.diff-num {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--c-accent);
  margin-bottom: var(--space-md);
}

/* ---------- Process timeline ---------- */
.timeline {
  position: relative;
}
.timeline-item {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: var(--space-md);
  padding-block: var(--space-lg);
  border-top: 1px solid var(--c-border);
  position: relative;
}
.timeline-item:last-child { border-bottom: 1px solid var(--c-border); }
.timeline-marker {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--c-accent);
  position: relative;
}
.timeline-body h3 { margin-bottom: 0.8rem; }
.timeline-body .body-md { max-width: 56ch; }
.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--space-md);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--c-border);
  padding-block: var(--space-xl) var(--space-lg);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-lg);
  flex-wrap: wrap;
  padding-bottom: var(--space-xl);
}
.footer-brand .brand { font-size: 1.4rem; }
.footer-brand p { margin-top: var(--space-sm); max-width: 32ch; }
.footer-cols {
  display: flex;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}
.footer-col h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-gray);
  margin-bottom: var(--space-md);
  font-weight: 600;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.7rem; }
.footer-col a { font-size: 0.95rem; transition: color var(--dur-fast) var(--ease-out); }
.footer-col a:hover { color: var(--c-accent); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--c-border);
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--c-gray-dim);
}
.footer-legal { display: flex; gap: var(--space-md); flex-wrap: wrap; }
.footer-legal a { color: var(--c-gray-dim); }
.footer-legal a:hover { color: var(--c-accent); }

/* ---------- Forms ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}
.form-field { display: flex; flex-direction: column; gap: 0.6rem; }
.form-field.full { grid-column: 1 / -1; }
.form-field label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-gray);
  font-weight: 600;
}
.form-field input,
.form-field select,
.form-field textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--c-border-strong);
  color: var(--c-white);
  padding: 0.8rem 0.1rem;
  font-size: 1rem;
  transition: border-color var(--dur-fast) var(--ease-out);
}
.form-field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A8984' stroke-width='1.4' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.2rem center;
}
.form-field select option { background: var(--c-surface); color: var(--c-white); }
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--c-gray-dim); }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { border-color: var(--c-accent); outline: none; }
.form-field textarea { resize: vertical; min-height: 120px; }
.form-actions {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-sm);
  flex-wrap: wrap;
}
.form-note { font-size: 0.8rem; color: var(--c-gray-dim); }

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.channel-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: var(--space-md);
  border-bottom: 1px solid var(--c-border);
  transition: padding-left var(--dur-fast) var(--ease-out);
}
.channel-item:hover { padding-left: 0.4rem; }
.channel-label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--c-gray); }
.channel-value { font-family: var(--font-serif); font-size: 1.3rem; }

/* ---------- Pricing ---------- */
.price-tag {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--c-accent);
}
.service-block {
  border-top: 1px solid var(--c-border);
  padding-block: var(--space-xl);
  display: grid;
  grid-template-columns: 5rem 1fr 1fr;
  gap: var(--space-lg);
}
.service-block:last-child { border-bottom: 1px solid var(--c-border); }
.service-includes { display: flex; flex-direction: column; gap: 0.6rem; }
.service-includes li {
  padding-left: 1.1rem;
  position: relative;
  color: var(--c-gray);
  font-size: 0.95rem;
}
.service-includes li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.55em;
  width: 5px; height: 1px;
  background: var(--c-accent);
}

/* ---------- CTA band ---------- */
.cta-band {
  text-align: center;
  padding-block: var(--space-2xl);
}
.cta-band .display-lg { max-width: 18ch; margin-inline: auto; }
.cta-band .body-lg { max-width: 44ch; margin: var(--space-md) auto 0; }
.cta-band .btn { margin-top: var(--space-lg); }

/* ---------- Case study hero ---------- */
.case-hero-meta {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--c-border);
}
.meta-item { display: flex; flex-direction: column; gap: 0.4rem; }
.meta-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--c-gray-dim); }
.meta-value { font-size: 0.95rem; }

/* ---------- Back link ---------- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--c-gray);
}
.back-link:hover { color: var(--c-accent); }

.breadcrumb-trail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--c-gray-dim);
}
.breadcrumb-trail a { color: var(--c-gray); }
.breadcrumb-trail a:hover { color: var(--c-accent); }
.breadcrumb-trail span[aria-current] { color: var(--c-gray-dim); }

/* ---------- Studio mark (editorial typographic composition) ---------- */
.studio-mark {
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding-block: var(--space-xl);
}
.studio-mark-word-group {
  margin-top: var(--space-lg);
}
.studio-mark-word {
  line-height: 0.92;
  letter-spacing: -0.01em;
  margin: 0;
}
.studio-mark-word--1 {
  font-size: clamp(2.6rem, 12vw, 9rem);
  color: var(--c-white);
}
.studio-mark-word--2 {
  font-size: clamp(2.6rem, 12vw, 9rem);
  margin-left: clamp(1.5rem, 14vw, 7rem);
  color: var(--c-gray-dim);
}
@supports (-webkit-text-stroke: 1px black) {
  .studio-mark-word--2 {
    color: transparent;
    -webkit-text-stroke: 1px var(--c-border-strong);
  }
}
.studio-mark-accent-line {
  display: block;
  width: clamp(60px, 14vw, 140px);
  height: 2px;
  background: var(--c-accent);
  margin: var(--space-sm) 0 var(--space-sm) clamp(0px, 4vw, 40px);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform var(--dur-slow) var(--ease-out);
}
[data-reveal].is-visible .studio-mark-accent-line {
  transform: scaleX(1);
}
@media (prefers-reduced-motion: reduce) {
  .studio-mark-accent-line { transform: scaleX(1); transition: none; }
}