/* ============ Matos Distribution — monochrome theme ============ */

/* Self-hosted display font (latin subset covers Spanish accents) */
@font-face {
  font-family: "Anton";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/anton-latin.woff2") format("woff2");
}

/* Spanish display face — Anton's accents are too heavy at large sizes */
@font-face {
  font-family: "Saira Condensed";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("/assets/fonts/saira-condensed-800-latin.woff2") format("woff2");
}

:root {
  --black: #0a0a0a;
  --near-black: #111111;
  --panel: #161616;
  --line: #2a2a2a;
  --gray: #9a9a9a;
  --light: #d4d4d4;
  --white: #f5f5f5;
  --font-display: "Anton", "Arial Narrow", sans-serif;
  --font-body: "Inter", -apple-system, "Helvetica Neue", sans-serif;
  --nav-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 200;
  background: var(--white);
  color: var(--black);
  padding: 0.7rem 1.2rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus { top: 0.5rem; }

/* Honeypot field — invisible to humans, tempting to bots */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.container {
  width: min(1140px, 100% - 3rem);
  margin-inline: auto;
}

/* ---------- Type ---------- */

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  line-height: 1.02;
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(3.2rem, 8vw, 6.4rem); }
h2 { font-size: clamp(2rem, 5.5vw, 3.6rem); margin-bottom: 1.5rem; }
h3 { font-size: 1.35rem; letter-spacing: 0.06em; }

/* Spanish uses Saira Condensed 800 — sleeker accents than Anton at display sizes */
html[lang="es"] { --font-display: "Saira Condensed", "Arial Narrow", sans-serif; }
html[lang="es"] h1 { letter-spacing: 0; }

p { color: var(--light); }

/* ---------- Nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav {
  width: min(1140px, 100% - 3rem);
  margin-inline: auto;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  color: var(--white);
  text-decoration: none;
  white-space: nowrap;
}
.nav-logo span { color: var(--gray); }

.nav-mark {
  width: 30px;
  height: 30px;
  mix-blend-mode: screen; /* drops the mark's black disc into the dark background */
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  list-style: none;
}

.nav-links a {
  color: var(--light);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--white); }

/* Sliding underline on desktop nav links */
@media (min-width: 621px) {
  .nav-links a:not(.nav-cta) { position: relative; }
  .nav-links a:not(.nav-cta)::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 1px;
    background: var(--white);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
  }
  .nav-links a:not(.nav-cta):hover::after,
  .nav-links a:not(.nav-cta):focus-visible::after { transform: scaleX(1); }
}

.nav-links a.nav-cta {
  border: 1px solid var(--white);
  padding: 0.5rem 1.2rem;
  color: var(--white);
  transition: background 0.2s ease, color 0.2s ease;
}
.nav-links a.nav-cta:hover { background: var(--white); color: var(--black); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
}
.lang-switch a {
  color: var(--gray);
  text-decoration: none;
  padding: 0.2rem 0.05rem;
  transition: color 0.2s ease;
}
.lang-switch a:hover { color: var(--white); }
.lang-switch a.is-active {
  color: var(--white);
  border-bottom: 1px solid var(--white);
}
.lang-switch span { color: var(--line); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 26px;
  margin-inline: auto;
  background: var(--white);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 1rem 2.2rem;
  border: 1px solid var(--white);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.btn:active { transform: scale(0.98); }

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

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

.btn-wide { width: 100%; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100svh - var(--nav-h));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero-mark {
  position: absolute;
  left: -7vw;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(320px, 42vw, 640px);
  opacity: 0.06;
  mix-blend-mode: screen;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.hero-visual { justify-self: center; position: relative; z-index: 1; }

/* ---------- Machine model switcher ---------- */

.machine-switcher {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
}
.machine-stage {
  appearance: none;
  -webkit-appearance: none;
  background: none;
  border: 0;
  padding: 0;
  margin: 0;
  color: inherit;
  width: 100%;
  max-width: 440px;
  height: clamp(340px, 48vh, 480px);
  cursor: pointer;
}
.machine-stage--hero {
  max-width: 470px;
  height: clamp(360px, 54vh, 540px);
}
.machine-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 30px 65px rgba(0, 0, 0, 0.75));
  will-change: transform;
  transition: opacity 0.18s ease;
}
.machine-stage:hover .machine-img { opacity: 0.92; }

.machine-switch-ui {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
}
.machine-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
}
.machine-dots { display: flex; gap: 0.45rem; }
.machine-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--line);
  transition: background 0.25s ease, transform 0.25s ease;
}
.machine-dot.is-active { background: var(--white); transform: scale(1.25); }

.machine-switch-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: 1px solid var(--line);
  color: var(--light);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.55rem 1.15rem;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.machine-switch-btn:hover { border-color: var(--white); color: var(--white); }
.machine-switch-btn svg { width: 15px; height: 15px; }

.hero-inner {
  flex: 1;
  width: min(1140px, 100% - 3rem);
  margin-inline: auto;
  padding-block: clamp(2rem, 5vh, 4rem);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  align-content: center;
}

.hero-kicker,
.section-kicker {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 1.4rem;
}

.hero-sub {
  font-size: clamp(1.1rem, 2.4vw, 1.45rem);
  color: var(--gray);
  margin-top: 1.4rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.6rem;
}

/* marquee strip */
.hero-marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 0.9rem 0;
}
.marquee-track {
  display: flex;
  white-space: nowrap;
  animation: marquee 28s linear infinite;
}
.marquee-track span {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray);
  padding-right: 1rem;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.hero-marquee:hover .marquee-track { animation-play-state: paused; }

/* ---------- Trust strip ---------- */

.trust-strip {
  border-bottom: 1px solid var(--line);
  background: var(--near-black);
}
.trust-strip ul {
  width: min(1140px, 100% - 3rem);
  margin-inline: auto;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(1.4rem, 5vw, 4rem);
  padding: 1.35rem 0;
}
.trust-strip li {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--light);
}
.trust-strip svg {
  width: 17px;
  height: 17px;
  color: var(--gray);
  flex-shrink: 0;
}

/* ---------- Sections ---------- */

.section { padding: clamp(4.5rem, 10vw, 8rem) 0; }
.section-alt { background: var(--near-black); border-block: 1px solid var(--line); }

.section-lead {
  max-width: 44rem;
  color: var(--gray);
  margin-bottom: 3rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.split-reverse > .machine-visual { order: -1; }

.split-body p + p { margin-top: 1rem; }

.about-mark {
  width: clamp(110px, 12vw, 150px);
  margin-top: 3rem;
  opacity: 0.8;
  mix-blend-mode: screen; /* drops the mark's black disc, leaving the white line mark */
}

.fact-list {
  list-style: none;
  margin-top: 2.2rem;
  border-top: 1px solid var(--line);
}
.fact-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.fact-list strong {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.5rem;
  color: var(--white);
  min-width: 6.5rem;
  letter-spacing: 0.03em;
}

.check-list {
  list-style: none;
  margin-top: 1.8rem;
}
.check-list li {
  position: relative;
  padding: 0.45rem 0 0.45rem 1.8rem;
  color: var(--light);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  /* padding-top (0.45em) + half a 1.65 line box = first-line center */
  top: 1.275em;
  width: 0.9rem;
  height: 1px;
  background: var(--white);
}

.machine-visual {
  color: var(--white);
  padding: 2rem;
  border: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.05), transparent 65%),
    var(--panel);
}
.machine-visual svg { width: min(300px, 100%); margin-inline: auto; }
.machine-photo {
  width: 100%;
  max-width: 440px;
  height: auto;
  margin-inline: auto;
  filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.6));
}

.how-intro {
  align-items: center;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}
.how-intro .section-lead { margin-bottom: 0; }
.how-intro .machine-visual { padding: 1.5rem; }

/* ---------- Products ---------- */

.product-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.product-card {
  background: var(--black);
  padding: 2.4rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  text-align: center;
  transition: background 0.25s ease;
}
.product-card:hover { background: var(--panel); }
.product-card svg {
  width: 48px;
  height: 48px;
  color: var(--white);
  transition: transform 0.25s ease;
}
.product-card:hover svg { transform: translateY(-4px); }
.product-card h3 { font-size: 0.95rem; letter-spacing: 0.12em; }

/* ---------- Features ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.feature-card {
  background: var(--near-black);
  padding: 2.6rem 2rem;
  transition: background 0.25s ease;
}
.feature-card:hover { background: var(--panel); }

.feature-num {
  display: block;
  font-family: var(--font-display);
  font-size: 3.4rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--gray);
  margin-bottom: 1.4rem;
}
.feature-card h3 { margin-bottom: 0.8rem; }
.feature-card p { color: var(--gray); font-size: 0.95rem; }

/* ---------- Revenue estimator ---------- */

.estimator {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  border: 1px solid var(--line);
  background: var(--near-black);
  padding: clamp(1.5rem, 4vw, 3rem);
}

.estimator-controls { display: flex; flex-direction: column; gap: 2.4rem; }

.est-field label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 1rem;
}
.est-field output {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  color: var(--white);
}

.est-field input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2px;
  background: var(--line);
  cursor: pointer;
}
.est-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--white);
  border: none;
}
.est-field input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--white);
  border: none;
}
.est-field input[type="range"]:focus-visible { outline-offset: 8px; }

.estimator-result {
  border-left: 1px solid var(--line);
  padding-left: clamp(1.5rem, 4vw, 3rem);
}
.est-result-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
}
.est-result-big {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 4.5rem);
  line-height: 1;
  color: var(--white);
  margin: 0.6rem 0;
}
.est-result-big .est-per {
  font-size: 0.35em;
  color: var(--gray);
  letter-spacing: 0.05em;
}
.est-result-sub { color: var(--light); margin-bottom: 1.6rem; }
.est-result-sub strong { color: var(--white); font-weight: 600; }
.est-fine { font-size: 0.78rem; color: #8a8a8a; margin-top: 1rem; line-height: 1.5; }

@media (max-width: 760px) {
  .estimator { grid-template-columns: 1fr; }
  .estimator-result { border-left: none; padding-left: 0; border-top: 1px solid var(--line); padding-top: 2rem; }
}

/* ---------- Retention CTA band (inverted) ---------- */

.cta-band {
  background: var(--white);
  color: var(--black);
  padding: clamp(4rem, 9vw, 7rem) 0;
}
.cta-band h2 { color: var(--black); }
.cta-band p {
  color: #444;
  max-width: 40rem;
  margin-bottom: 2.4rem;
}

.band-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

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

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

/* ---------- FAQ ---------- */

.faq-list {
  max-width: 50rem;
  border-top: 1px solid var(--line);
}

.faq-item { border-bottom: 1px solid var(--line); }

.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 1.3rem 0;
  font-weight: 600;
  color: var(--white);
}
.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--gray);
  transition: transform 0.25s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }

.faq-item p {
  color: var(--gray);
  padding: 0 2.5rem 1.4rem 0;
}

/* ---------- Contact ---------- */

.contact-form {
  border: 1px solid var(--line);
  background: var(--near-black);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.3rem;
}

.form-field { display: flex; flex-direction: column; gap: 0.45rem; }

.form-field label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray);
}

.form-field input,
.form-field textarea {
  background: var(--black);
  border: 1px solid var(--line);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.85rem 1rem;
  transition: border-color 0.2s ease;
  resize: vertical;
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--white);
}
.form-field ::placeholder { color: #555; }

.form-status { font-size: 0.9rem; color: var(--gray); min-height: 1.4em; }

/* WhatsApp elements stay hidden until a number is configured in script.js */
.whatsapp-cta {
  display: none;
  flex-direction: column;
  gap: 1rem;
  border: 1px solid var(--line);
  background: var(--near-black);
  padding: 1.5rem;
  margin-top: 2.2rem;
  max-width: 26rem;
}
.whatsapp-cta.is-active { display: flex; }
.whatsapp-cta p { font-size: 0.9rem; color: var(--gray); }

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  background: #25d366;
  color: #fff;
  border-color: #25d366;
}
.btn-whatsapp:hover { background: #1eb457; border-color: #1eb457; color: #fff; }
.btn-whatsapp svg { width: 20px; height: 20px; }

.whatsapp-float {
  position: fixed;
  right: 1.4rem;
  bottom: 1.4rem;
  z-index: 90;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  /* the one color on the site: WhatsApp green reads as "tap to chat" */
  background: #25d366;
  color: #fff;
  display: none;
  place-items: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.55);
  transition: transform 0.2s ease;
}
.whatsapp-float.is-active { display: grid; }
.whatsapp-float:hover { transform: scale(1.07); }
.whatsapp-float svg { width: 26px; height: 26px; }

.form-note {
  font-size: 0.9rem;
  color: var(--gray);
}

.social-links {
  list-style: none;
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}
.social-links a {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  color: var(--white);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.social-links a:hover { background: var(--white); color: var(--black); border-color: var(--white); }
.social-links svg { width: 22px; height: 22px; }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.2rem 0;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}
.footer-inner p { color: var(--gray); font-size: 0.85rem; }

/* ---------- Scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  h2 br { display: none; } /* let long headings wrap naturally on small screens */
  .hero { min-height: auto; }
  .hero-inner { grid-template-columns: 1fr; padding-top: 2.5rem; }
  .hero-copy { order: 1; }
  .hero-visual { order: 2; margin-top: 0.5rem; }
  .hero-mark { display: none; }
  .machine-stage, .machine-stage--hero { max-width: 280px; height: 320px; }
  .split { grid-template-columns: 1fr; }
  .split-reverse > .machine-visual { order: 0; }
  .product-grid, .feature-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .nav-toggle { display: flex; }
  .nav-right { gap: 0.6rem; }
  .trust-strip ul { flex-direction: column; align-items: center; gap: 0.85rem; }

  /* Keep the hero CTAs side by side on phones */
  .hero-actions { flex-wrap: nowrap; gap: 0.7rem; }
  .hero-actions .btn {
    flex: 1 1 0;
    min-width: 0;
    padding: 0.85rem 0.5rem;
    text-align: center;
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    line-height: 1.25;
  }

  .nav-links {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--black);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-links.is-open { display: flex; }
  .nav-links li { border-top: 1px solid var(--line); }
  .nav-links a {
    display: block;
    padding: 1.1rem 1.5rem;
  }
  .nav-links a.nav-cta { border: none; }

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

@media (max-width: 420px) {
  .product-grid { grid-template-columns: 1fr; }
}