/* ================================================================
   PRAGA — Oficina de Proyectos — v3
   ================================================================ */

/* --- TOKENS ---------------------------------------------------- */
:root {
  --bg:        oklch(1.000 0.000 0);
  --surface:   oklch(0.965 0.000 0);
  --ink:       oklch(0.09  0.000 0);
  --muted:     oklch(0.42  0.000 0);
  --faint:     oklch(0.52  0.000 0);
  --primary:   oklch(0.52  0.185 25.7);
  --rule:      oklch(0.87  0.000 0);
  --ink-a65:   oklch(0.09  0.000 0 / 0.65);
  --ink-a18:   oklch(0.09  0.000 0 / 0.18);

  --font:   'Archivo', system-ui, sans-serif;
  --font-n: 'Archivo Narrow', system-ui, sans-serif;

  --nav-h:  clamp(3.25rem, 5vw, 4.25rem);
  --pad-x:  clamp(1.5rem, 4.5vw, 4rem);
  --ease:   cubic-bezier(0.16, 1, 0.3, 1);
  --dur:    0.8s;

  /* Logo nav size — used in JS too */
  --nav-logo-h: 22px;
}

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

html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
ul  { list-style: none; }
a   { color: inherit; text-decoration: none; }

/* Visually hidden — accessible to screen readers only */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link — visually hidden until focused */
.skip-link {
  position: fixed;
  top: -100%;
  left: 0;
  z-index: 9999;
  background: var(--ink);
  color: var(--bg);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-n);
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 0;
}

/* Focus ring — keyboard navigation only */
:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

/* ================================================================
   MORPHING LOGO (fixed, z-index above everything)
   ================================================================ */

.logo-morph {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 300;
  will-change: transform;
  transform-origin: top left;
}

.logo-morph__link {
  display: block;
  position: relative;
  line-height: 0;
}

/* Render at hero display size — JS scales it DOWN to nav size.
   SVG always renders at this height, never upscaled. */
.logo-morph__img {
  height: clamp(4rem, 8vw, 6.5rem);
  width: auto;
  display: block;
}

/* Dark version — visible on white nav */
.logo-morph__dark {
  position: relative;
  /* opacity managed by JS */
}

/* Light version — visible over dark hero image */
.logo-morph__light {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  filter: invert(1);
  /* opacity managed by JS */
}

/* ================================================================
   NAV
   ================================================================ */

.nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--pad-x);
  /* Ghost placeholder for logo takes the left slot */
}

.nav__logo-ghost {
  height: var(--nav-h);
  /* width matches the nav logo width — set after logo renders via JS */
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.nav__bg {
  position: absolute;
  inset: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.nav--solid .nav__bg {
  opacity: 1;
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative; /* above nav__bg */
}

.nav__links {
  display: flex;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: center;
  list-style: none;
  /* On hero page, hidden until scroll — managed via .nav--hero class */
}

/* On hero page: links hidden until scroll; toggle stays accessible on mobile */
.nav--hero .nav__links {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.nav--hero .nav__toggle-line {
  background: oklch(1 0 0 / 0.85);
}

.nav__links a {
  font-family: var(--font-n);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s ease;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--ink);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  min-width: 44px;
  min-height: 44px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav__toggle-line {
  display: block;
  width: 1.5rem;
  height: 1px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.3s ease;
  transform-origin: center;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:first-child {
  transform: translateY(3px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

/* ================================================================
   HERO
   ================================================================ */

.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  overflow: hidden;
}

.hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: grayscale(100%);
  transition: filter 0.8s ease;
}

.hero:hover .hero__img {
  filter: grayscale(0%);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    var(--ink-a65) 0%,
    var(--ink-a18) 40%,
    transparent 65%
  );
  pointer-events: none;
}

/* Title block — bottom-left */
.hero__titleblock {
  position: absolute;
  bottom: clamp(2.5rem, 6vw, 4rem);
  left: var(--pad-x);
  z-index: 1;
  display: flex;
  flex-direction: column;
}

.hero__studio {
  font-family: var(--font-n);
  font-size: 0.5rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: oklch(1 0 0 / 0.65);
  margin-bottom: 0.85rem;
}

.hero__titleblock-rule {
  width: clamp(2.5rem, 5vw, 4rem);
  height: 1px;
  background: oklch(1 0 0 / 0.35);
  margin-bottom: 1rem;
}

.hero__project-name {
  font-size: clamp(1.875rem, 4vw, 3.25rem);
  font-weight: 500;
  color: oklch(1 0 0);
  line-height: 1.1;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.hero__project-sub {
  font-family: var(--font-n);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: oklch(1 0 0 / 0.5);
  text-transform: uppercase;
  margin-top: 0.6rem;
}

/* Scroll cue */
.hero__scroll {
  position: absolute;
  bottom: clamp(2.5rem, 6vw, 4rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.hero__scroll-label {
  font-family: var(--font-n);
  font-size: 0.45rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: oklch(1 0 0 / 0.3);
}

.hero__scroll-line {
  width: 1px;
  height: 2rem;
  background: oklch(1 0 0 / 0.2);
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: oklch(1 0 0 / 0.7);
  animation: scrollpulse 2.4s ease-in-out infinite;
}

@keyframes scrollpulse {
  0%   { top: -100%; }
  100% { top: 100%; }
}

/* ================================================================
   PROJECT STRIPS
   ================================================================ */

.strip {
  display: grid;
  grid-template-columns: clamp(200px, 26vw, 400px) 1fr;
  min-height: clamp(48vh, 60vh, 68vh);
  border-top: 1px solid var(--rule);
  position: relative;
}

/* Legend column */
.strip__legend {
  position: relative;
  padding: clamp(2rem, 3.5vw, 3rem) var(--pad-x);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  border-right: 1px solid var(--rule);
  transition: background 0.4s ease;
}

.strip:hover .strip__legend {
  background: var(--surface);
}

/* Ghost index number */
.strip__ghost {
  position: absolute;
  bottom: -0.1em;
  left: calc(var(--pad-x) - 0.05em);
  font-family: var(--font);
  font-size: clamp(7rem, 16vw, 16rem);
  font-weight: 500;
  line-height: 1;
  color: var(--ink);
  opacity: 0.04;
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.05em;
}

.strip__meta {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  position: relative;
  z-index: 1;
}

.strip__counter {
  font-family: var(--font-n);
  font-size: 0.5625rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--faint);
}

.strip__name {
  font-family: var(--font);
  font-size: clamp(1.125rem, 1.8vw, 1.5rem);
  font-weight: 500;
  color: var(--ink);
  line-height: 1.25;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin-top: 0.5rem;
}

.strip__location {
  font-family: var(--font-n);
  font-size: 0.875rem;
  color: var(--muted);
  letter-spacing: 0.03em;
}

.strip__award {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.875rem;
  font-family: var(--font-n);
  font-size: 0.5625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  padding: 0.3rem 0.55rem;
  border: 1px solid color-mix(in oklch, var(--primary) 35%, transparent);
  width: fit-content;
}

.strip__award::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}

.strip__foot {
  font-family: var(--font-n);
  font-size: 0.5625rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--faint);
  position: relative;
  z-index: 1;
}

/* Image column */
.strip__image {
  position: relative;
  overflow: hidden;
}

/* Mask reveal — only when JS is active */
.js-loaded .strip__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bg);
  transform-origin: left;
  transform: scaleX(1);
  transition: transform 1.1s var(--ease);
  z-index: 1;
}

.js-loaded .strip.revealed .strip__image::after {
  transform: scaleX(0);
  transform-origin: right;
}

.strip__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: grayscale(100%);
  transition: filter 0.7s ease, transform 0.7s var(--ease);
}

.strip:hover .strip__img {
  filter: grayscale(0%);
  transform: scale(1.025);
}

/* ================================================================
   SIDE DOTS
   ================================================================ */

.proj-nav {
  position: fixed;
  right: clamp(1rem, 2vw, 1.75rem);
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.proj-nav__dot {
  width: 2px;
  height: 14px;
  border-radius: 1px;
  background: var(--faint);
  transform: scaleY(0.143);
  transform-origin: center;
  transition: background 0.3s ease, transform 0.3s ease;
}

.proj-nav__dot.active {
  background: var(--ink);
  transform: scaleY(1);
}

/* ================================================================
   NOSOTROS PAGE
   ================================================================ */

.page-hero {
  padding-top: calc(var(--nav-h) + clamp(4rem, 8vw, 7rem));
  padding-inline: var(--pad-x);
  padding-bottom: clamp(4rem, 8vw, 7rem);
  border-bottom: 1px solid var(--rule);
}

.page-hero__eyeline {
  font-family: var(--font-n);
  font-size: 0.5625rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 2.5rem;
}

.page-hero__statement {
  font-size: clamp(1.875rem, 4vw, 3.25rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.025em;
  max-width: 22ch;
  text-wrap: balance;
  color: var(--ink);
}

.page-hero__statement em {
  font-style: normal;
  color: var(--muted);
}

/* Propositions */
.propositions {
  padding-inline: var(--pad-x);
  padding-block: clamp(4rem, 8vw, 7rem);
  border-bottom: 1px solid var(--rule);
}

.prop {
  display: grid;
  grid-template-columns: 3.5rem 1fr clamp(200px, 35%, 420px);
  gap: 0 clamp(2rem, 4vw, 4rem);
  padding-block: clamp(1.75rem, 3vw, 2.5rem);
  border-top: 1px solid var(--rule);
  align-items: start;
}

.prop:first-child { border-top: none; }

.js-loaded .prop:not(.revealed) {
  opacity: 0;
  transform: translateY(12px);
}

.js-loaded .prop.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.prop__num {
  font-family: var(--font-n);
  font-size: 0.5625rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
  padding-top: 0.2rem;
}

.prop__title {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 500;
  color: var(--ink);
  line-height: 1.3;
  letter-spacing: -0.015em;
}

.prop__body {
  font-family: var(--font-n);
  font-size: 0.9375rem;
  color: var(--muted);
  line-height: 1.75;
}

/* Team */
.team-section {
  padding-inline: var(--pad-x);
  padding-block: clamp(4rem, 7vw, 6rem);
  border-bottom: 1px solid var(--rule);
}

.team-section__heading {
  font-family: var(--font-n);
  font-size: 0.5625rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 2.5rem;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-left: 1px solid var(--rule);
}

.team-member {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-right: 1px solid var(--rule);
  border-top: 1px solid var(--rule);
}

.team-member__role {
  font-family: var(--font-n);
  font-size: 0.5625rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 0.75rem;
}

.team-member__name {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 500;
  color: var(--ink);
  line-height: 1.3;
}

/* Origin */
.origin-section {
  padding-inline: var(--pad-x);
  padding-block: clamp(4rem, 7vw, 6rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  border-bottom: 1px solid var(--rule);
}

.origin-section__label {
  font-family: var(--font-n);
  font-size: 0.5625rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 1rem;
}

.origin-section__text {
  font-size: clamp(0.9375rem, 1.3vw, 1.0625rem);
  color: var(--muted);
  line-height: 1.85;
  max-width: 52ch;
}

.origin-section__detail {
  font-family: var(--font-n);
  font-size: 0.875rem;
  color: var(--faint);
  line-height: 2.1;
}

.origin-section__detail strong {
  color: var(--muted);
  font-weight: 400;
}

/* ================================================================
   CONTACTO PAGE
   ================================================================ */

.contact-hero {
  padding-top: calc(var(--nav-h) + clamp(5rem, 10vw, 9rem));
  padding-inline: var(--pad-x);
  padding-bottom: clamp(4rem, 8vw, 7rem);
  border-bottom: 1px solid var(--rule);
}

.contact-hero__title {
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink);
}

.contact-table {
  padding-inline: var(--pad-x);
  padding-block: clamp(2rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--rule);
}

.contact-row {
  display: grid;
  grid-template-columns: clamp(140px, 22%, 240px) 1fr;
  gap: 2rem;
  padding-block: clamp(1.5rem, 2.5vw, 2rem);
  border-top: 1px solid var(--rule);
  align-items: center;
}

.contact-row:first-child { border-top: none; }

.contact-row__channel {
  font-family: var(--font-n);
  font-size: 0.5625rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--faint);
}

.contact-row__value {
  font-size: clamp(1.0625rem, 1.8vw, 1.375rem);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
  transition: color 0.2s ease;
}

.contact-row__value a {
  display: block;
  color: inherit;
  transition: color 0.2s ease;
}

.contact-row__value a:hover {
  color: var(--muted);
}

.contact-row__value--muted {
  color: var(--muted);
  font-weight: 400;
}

/* ================================================================
   CONTACT FORM
   ================================================================ */

.contact-form-section {
  padding-inline: var(--pad-x);
  padding-block: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--rule);
}

.contact-form-section__label {
  font-family: var(--font-n);
  font-size: 0.5625rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 2.5rem;
  font-weight: 400;
}

.contact-form__field {
  display: grid;
  grid-template-columns: clamp(140px, 22%, 240px) 1fr;
  gap: 2rem;
  padding-block: clamp(1.25rem, 2vw, 1.75rem);
  border-top: 1px solid var(--rule);
  align-items: start;
}

.contact-form__label {
  font-family: var(--font-n);
  font-size: 0.5625rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--faint);
  padding-top: 0.45rem;
}

.contact-form__input,
.contact-form__textarea {
  font-family: var(--font);
  font-size: clamp(1.0625rem, 1.8vw, 1.375rem);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
  background: none;
  border: none;
  border-bottom: 1px solid var(--rule);
  padding: 0 0 0.5rem;
  width: 100%;
  transition: border-color 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
}

.contact-form__input:focus,
.contact-form__textarea:focus {
  outline: none;
  border-color: var(--ink);
}

.contact-form__input::placeholder,
.contact-form__textarea::placeholder {
  color: var(--faint);
  font-weight: 400;
}

.contact-form__textarea {
  resize: vertical;
  min-height: 7rem;
  line-height: 1.65;
}

/* Select */
.contact-form__select-wrap {
  position: relative;
}

.contact-form__select-wrap::after {
  content: '';
  position: absolute;
  right: 0.25rem;
  bottom: 0.85rem;
  width: 0.4rem;
  height: 0.4rem;
  border-right: 1px solid var(--faint);
  border-bottom: 1px solid var(--faint);
  transform: rotate(45deg);
  pointer-events: none;
}

.contact-form__select {
  font-family: var(--font);
  font-size: clamp(1.0625rem, 1.8vw, 1.375rem);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
  background: none;
  border: none;
  border-bottom: 1px solid var(--rule);
  padding: 0 1.5rem 0.5rem 0;
  width: 100%;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.2s ease;
}

.contact-form__select:focus {
  outline: none;
  border-color: var(--ink);
}

.contact-form__select option[value=""] {
  color: var(--faint);
}

/* Submit row */
.contact-form__submit-row {
  display: grid;
  grid-template-columns: clamp(140px, 22%, 240px) 1fr;
  gap: 2rem;
  padding-block: clamp(1.5rem, 2.5vw, 2rem);
  border-top: 1px solid var(--rule);
  align-items: center;
}

.contact-form__submit {
  grid-column: 2;
  width: fit-content;
  font-family: var(--font-n);
  font-size: 0.5625rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--ink);
  border: 1px solid var(--ink);
  padding: 0.85rem 1.75rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.contact-form__submit:hover {
  background: var(--bg);
  color: var(--ink);
}

/* Form error state */
.contact-form__input:invalid:not(:placeholder-shown),
.contact-form__textarea:invalid:not(:placeholder-shown) {
  border-color: var(--primary);
}

/* Feedback message */
.contact-form__feedback {
  grid-column: 2;
  font-family: var(--font-n);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-top: 0.5rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.contact-form__feedback.visible {
  opacity: 1;
}

.contact-note {
  padding: clamp(2.5rem, 5vw, 4rem) var(--pad-x);
}

.contact-note p {
  font-family: var(--font-n);
  font-size: 0.875rem;
  color: var(--faint);
  letter-spacing: 0.03em;
  max-width: 52ch;
  line-height: 1.8;
}

/* ================================================================
   FOOTER
   ================================================================ */

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 1.5rem;
  padding-inline: var(--pad-x);
  border-top: 1px solid var(--rule);
}

.footer span {
  font-family: var(--font-n);
  font-size: 0.5625rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--faint);
}

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

@media (max-width: 900px) {
  .prop {
    grid-template-columns: 3rem 1fr;
  }

  .prop__body {
    grid-column: 2;
    margin-top: 0.75rem;
  }

  .origin-section {
    grid-template-columns: 1fr;
  }

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

  .team-member {
    border-top: 1px solid var(--rule);
  }
}

@media (max-width: 720px) {
  .strip {
    grid-template-columns: 1fr;
    grid-template-rows: auto clamp(52vw, 62vw, 76vw);
    min-height: auto;
  }

  .strip__image {
    height: clamp(52vw, 62vw, 76vw);
  }

  .strip__legend {
    border-right: none;
    border-bottom: 1px solid var(--rule);
    min-height: 0;
  }

  .strip__ghost { font-size: 7rem; }

  .proj-nav { display: none; }
  .hero__scroll { display: none; }
}

@media (max-width: 640px) {
  .nav__toggle { display: flex; }

  .nav__links {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset-block-start: var(--nav-h);
    inset-inline: 0;
    background: var(--bg);
    padding: 2.5rem var(--pad-x) 3rem;
    gap: 2rem;
    align-items: flex-start;
    border-top: 1px solid var(--rule);
    /* Mobile menu is closed by default regardless of hero state */
    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.5rem);
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
    z-index: 199;
  }

  .nav__links.nav__links--open {
    opacity: 1 !important; /* override both hero-state and default */
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav__links a {
    display: block;
    padding-block: 0.75rem;
    font-size: 0.8rem;
    letter-spacing: 0.18em;
  }

  .contact-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .contact-form__field,
  .contact-form__submit-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .contact-form__label {
    padding-top: 0;
  }

  .contact-form__submit {
    grid-column: 1;
  }

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

  .footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }
}

/* ================================================================
   REDUCED MOTION
   ================================================================ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__scroll-line::after { animation: none; }
  .js-loaded .strip__image::after { transition: none; }
  .strip__img { transition: filter 0s; }
  .hero__img { transition: filter 0s; }
  .logo-morph { transition: none; }
  .js-loaded .prop:not(.revealed) { opacity: 1; transform: none; }
  .js-loaded .prop.revealed { transition: none; }
}