/* Montec — landing page editorial */

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img,svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
::selection { background: var(--olive-100); color: var(--neutral-900); }

h1,h2,h3,h4 { font-family: var(--font-display); font-weight: var(--fw-light); line-height: var(--lh-snug); letter-spacing: var(--ls-tight); }
.display { font-size: var(--fs-display); line-height: .94; font-weight: var(--fw-light); letter-spacing: -.045em; }
.h1 { font-size: var(--fs-h1); }
.h2 { font-size: var(--fs-h2); font-weight: var(--fw-light); line-height: 1.04; letter-spacing: -.035em; }
.h3 { font-size: var(--fs-h3); }
.lead { font-size: var(--fs-lead); color: var(--text-soft); line-height: 1.58; font-weight: var(--fw-light); }
.muted { color: var(--text-muted); }
em.serif { font-style: normal; color: var(--accent-text); font-weight: var(--fw-light); }

.overline {
  display: inline-flex;
  align-items: center;
  gap: .85rem;
  font-size: var(--fs-overline);
  font-weight: var(--fw-semibold);
  letter-spacing: .2em;
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--accent-text);
}
.overline::before { content: ""; width: 26px; height: 1px; flex: 0 0 26px; background: var(--border-olive); }
.overline.center::after { content: ""; width: 26px; height: 1px; flex: 0 0 26px; background: var(--border-olive); }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.narrow { max-width: var(--container-narrow); }
.section { padding-block: var(--section-y); position: relative; }
.section-head { max-width: 650px; margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head .h2 { margin-top: 1.2rem; }
.section-head .lead { margin-top: 1.35rem; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0; }

.btn {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  padding: .8rem 1.35rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  letter-spacing: .025em;
  border-radius: 2px;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; }
.btn-primary { background: var(--neutral-900); color: #fff; }
.btn-primary:hover { background: var(--olive-700); transform: translateY(-2px); }
.btn-ghost { background: rgba(255,255,255,.45); color: var(--text); border: 1px solid var(--border-strong); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-text); transform: translateY(-2px); }
.btn-text { display: inline-flex; align-items: center; gap: .5rem; padding: .3rem 0; color: var(--accent-text); font-size: var(--fs-sm); font-weight: var(--fw-medium); }
.btn-text svg { width: 16px; transition: transform var(--dur) var(--ease); }
.btn-text:hover svg { transform: translateX(4px); }

.nav-wrap { position: fixed; inset: 0 0 auto; z-index: var(--z-nav); padding-top: 1.55rem; border-bottom: 1px solid transparent; transition: padding var(--dur), background var(--dur), border-color var(--dur), backdrop-filter var(--dur); }
.nav-wrap.scrolled { padding-top: 0; background: rgba(252,252,249,.95); border-bottom-color: var(--border); backdrop-filter: blur(18px); }
.nav { height: 72px; display: flex; align-items: center; }
.brand { display: inline-flex; align-items: center; gap: .75rem; margin-right: auto; font-family: var(--font-display); font-size: var(--fs-brand); font-weight: var(--fw-light); letter-spacing: -.015em; color: #fff; }
.brand img { width: 42px; height: 42px; filter: brightness(0) invert(1); }
.nav-wrap.scrolled .brand { color: var(--text); }
.nav-wrap.scrolled .brand img { filter: none; }
.brand span { line-height: 1; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a { position: relative; padding: .5rem 0; font-size: clamp(.88rem, .82rem + .18vw, .98rem); font-weight: var(--fw-semibold); letter-spacing: .065em; text-transform: uppercase; color: rgba(255,255,255,.88); transition: color var(--dur); }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: .18rem; height: 1px; background: var(--olive-300); transition: right var(--dur); }
.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { right: 0; }
.nav-wrap.scrolled .nav-links a { color: var(--text-soft); }
.nav-wrap.scrolled .nav-links a:hover { color: var(--text); }
.nav-right { display: flex; align-items: center; gap: .55rem; margin-left: 2rem; }
.lang-toggle {
  min-width: 42px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  padding: 0 .65rem;
  border: 1px solid rgba(255,255,255,.36);
  border-radius: 3px;
  background: rgba(255,255,255,.08);
  color: #fff;
  font-size: clamp(.78rem, .72rem + .16vw, .875rem);
  font-weight: var(--fw-semibold);
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: color var(--dur), background var(--dur), border-color var(--dur), transform var(--dur);
}
.lang-toggle:hover { border-color: rgba(255,255,255,.8); background: rgba(255,255,255,.16); transform: translateY(-2px); }
.nav-wrap.scrolled .lang-toggle { border-color: var(--border-strong); background: rgba(255,255,255,.55); color: var(--text); }
.nav-wrap.scrolled .lang-toggle:hover { border-color: var(--border-olive); color: var(--accent-text); }
.nav-social { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 3px; background: var(--olive-600); color: #fff; transition: background var(--dur), transform var(--dur); }
.nav-social:hover { background: var(--olive-700); transform: translateY(-2px); }
.nav-social svg { width: 18px; height: 18px; }
.nav-toggle { display: none; }
.nav-toggle { position: relative; z-index: calc(var(--z-nav) + 2); width: 44px; height: 44px; flex: 0 0 44px; align-items: center; justify-content: center; border: 1px solid var(--border-strong); background: rgba(255,255,255,.74); }
.nav-toggle span { position: absolute; left: 50%; top: 50%; display: block; width: 20px; height: 1px; background: var(--text); transform: translate(-50%,-50%); transform-origin: center; transition: transform var(--dur), opacity var(--dur); }
.nav-toggle span:nth-child(1) { transform: translate(-50%,calc(-50% - 7px)); }
.nav-toggle span:nth-child(3) { transform: translate(-50%,calc(-50% + 7px)); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translate(-50%,-50%) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translate(-50%,-50%) rotate(-45deg); }
.nav-backdrop { position: fixed; inset: 0; z-index: calc(var(--z-nav) - 1); background: rgba(27,27,27,.28); backdrop-filter: blur(3px); opacity: 0; transition: opacity var(--dur); }
.nav-backdrop:not([hidden]) { opacity: 1; }

.hero { min-height: 100svh; position: relative; display: flex; align-items: center; padding: 10rem 0 5rem; overflow: hidden; color: #fff; background: var(--neutral-900); }
.hero-bg { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(27,27,27,.87) 0%, rgba(48,53,24,.72) 42%, rgba(27,27,27,.12) 76%), url("../img/hero-framesteel-construcao.jpg") center/cover no-repeat; }
.hero-bg { background: linear-gradient(90deg, rgba(27,27,27,.87) 0%, rgba(48,53,24,.72) 42%, rgba(27,27,27,.12) 76%), image-set(url("../img/hero-framesteel-construcao.webp") type("image/webp"), url("../img/hero-framesteel-construcao.jpg") type("image/jpeg")) center/cover no-repeat; }
.hero-grid-lines { display: none; }
.hero-mark { display: none; }
.hero-inner { position: relative; z-index: 1; min-width: 0; display: flex; flex-direction: column; align-items: flex-start; }
.hero h1 { width: 100%; max-width: 690px; margin: 1.45rem 0 1.55rem; font-size: var(--fs-display); line-height: .98; letter-spacing: -.04em; overflow-wrap: break-word; }
.hero h1 em { display: block; white-space: normal; }
.hero .lead { width: 100%; max-width: 560px; font-size: var(--fs-lead); line-height: 1.58; color: rgba(255,255,255,.78); }
.hero .overline { color: var(--olive-200); }
.hero .overline::before { background: rgba(204,210,177,.7); }
.hero em.serif { color: #fff; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.15rem; }
.hero .btn-primary { background: #fff; color: var(--neutral-900); }
.hero .btn-primary:hover { background: var(--olive-100); color: var(--neutral-900); }
.hero .btn-ghost { border-color: rgba(255,255,255,.42); background: rgba(255,255,255,.04); color: #fff; }
.hero .btn-ghost:hover { border-color: #fff; color: #fff; }
.hero-meta { width: 100%; max-width: 780px; display: grid; grid-template-columns: repeat(3,1fr); margin-top: clamp(3rem, 6vh, 4.5rem); border-top: 1px solid rgba(255,255,255,.24); }
.hero-meta div { padding: 1.35rem 1.75rem 0 0; }
.hero-meta .n { display: block; margin-bottom: .45rem; font-family: var(--font-display); font-size: clamp(1.65rem, 1.3rem + .9vw, 2.2rem); line-height: 1; color: var(--olive-200); }
.hero-meta .l { font-size: clamp(1rem, .92rem + .24vw, 1.125rem); line-height: 1.42; letter-spacing: .02em; color: rgba(255,255,255,.78); }
.scroll-hint { position: absolute; left: 50%; bottom: 24px; transform: translateX(-50%); color: rgba(255,255,255,.66); animation: bob 2.4s var(--ease) infinite; }
@keyframes bob { 0%,100%{ transform: translate(-50%,0);} 50%{ transform: translate(-50%,7px);} }

.strip { background: #fff; border-block: 1px solid var(--border); }
.strip-inner { min-height: 96px; display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.strip-item { display: flex; align-items: center; gap: .75rem; font-size: clamp(1rem, .94rem + .22vw, 1.125rem); line-height: 1.35; color: var(--text-soft); letter-spacing: .01em; }
.strip-item svg { width: 20px; height: 20px; color: var(--accent-text); flex: none; }

.about-overview { background: #fff; }
.about-intro { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(3rem,8vw,8rem); align-items: start; margin-bottom: clamp(3rem,6vw,5rem); }
.about-heading { display: grid; gap: .45rem; }
.about-kicker { font-size: var(--fs-overline); font-weight: var(--fw-semibold); letter-spacing: .1em; text-transform: uppercase; color: var(--accent-text); }
.about-heading h2 { font-family: var(--font-display); font-size: var(--fs-h2); font-weight: var(--fw-light); letter-spacing: -.04em; }
.about-intro > p { max-width: 720px; color: var(--text-soft); font-size: var(--fs-lead); line-height: 1.58; }
.about-intro strong { color: var(--text); font-weight: var(--fw-semibold); }
.about-features { display: grid; grid-template-columns: repeat(5,1fr); gap: 1rem; }
.about-feature { min-height: 178px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1.2rem; padding: 1.45rem 1.2rem; text-align: center; border: 1px solid var(--border-strong); border-radius: 5px; background: #fff; transition: border-color var(--dur), transform var(--dur), box-shadow var(--dur); }
.about-feature:hover { border-color: var(--border-olive); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.about-feature svg { width: 31px; height: 31px; color: var(--accent-text); }
.about-feature h3,.about-feature span { font-family: var(--font-sans); font-size: clamp(1.05rem, .98rem + .26vw, 1.2rem); font-weight: var(--fw-semibold); line-height: 1.28; letter-spacing: 0; }
.about-cta { border-color: var(--olive-600); background: var(--olive-600); color: #fff; }
.about-cta svg { color: #fff; }
.about-cta:hover { border-color: var(--olive-700); background: var(--olive-700); box-shadow: var(--glow-olive); }

.split { display: grid; grid-template-columns: .78fr 1.22fr; gap: clamp(3rem,8vw,8rem); align-items: center; }
.figure-frame { min-height: 560px; position: relative; display: grid; place-items: center; background: var(--olive-50); overflow: hidden; }
.figure-frame::before { content: "CAMADA SOBRE CAMADA"; position: absolute; left: 1.5rem; bottom: 1.5rem; font-size: var(--fs-micro); letter-spacing: .24em; color: var(--accent-text); writing-mode: vertical-rl; transform: rotate(180deg); }
html[lang="en"] .figure-frame::before { content: "LAYER BY LAYER"; }
.figure-frame img { width: 48%; opacity: .88; }
.figure-frame .system-photo { width: 100%; height: 100%; object-fit: cover; opacity: 1; }
.figure-frame .corner { display: none; }
.image-note { position: absolute; right: 1rem; bottom: 1rem; padding: .35rem .5rem; background: rgba(27,27,27,.68); color: rgba(255,255,255,.86); font-size: var(--fs-micro); letter-spacing: .08em; text-transform: uppercase; }
.pillars { display: grid; margin-top: 2.2rem; border-top: 1px solid var(--border); }
.pillar { display: grid; grid-template-columns: 58px 1fr; gap: 1.25rem; padding: 1.65rem 0; border-bottom: 1px solid var(--border); }
.pillar-index { display: grid; justify-items: start; gap: .7rem; color: var(--accent-text); }
.pillar-index svg { width: 25px; height: 25px; }
.pillar .pn { font-family: var(--font-display); font-size: clamp(1.25rem, 1.05rem + .55vw, 1.6rem); line-height: 1; }
.pillar h4 { margin-bottom: .45rem; font-family: var(--font-sans); font-size: clamp(1.05rem, .98rem + .24vw, 1.18rem); font-weight: var(--fw-semibold); letter-spacing: 0; }
.pillar p { max-width: 620px; color: var(--text-soft); font-size: clamp(1rem, .94rem + .28vw, 1.16rem); line-height: 1.62; }

.comparison-section { background: #fff; border-block: 1px solid var(--border); }
.comparison-layout { display: grid; grid-template-columns: .68fr 1.32fr; gap: clamp(3rem,8vw,8rem); align-items: start; }
.comparison-copy { position: sticky; top: 120px; }
.comparison-copy .h2 { margin-top: 1.2rem; }
.comparison-copy > p { max-width: 520px; margin-top: 1.35rem; color: var(--text-soft); font-size: clamp(1.05rem, .98rem + .3vw, 1.2rem); line-height: 1.7; }
.comparison-legend { display: grid; gap: .85rem; margin-top: 2.4rem; }
.comparison-legend span { display: flex; align-items: center; gap: .75rem; font-size: clamp(.78rem, .72rem + .16vw, .875rem); font-weight: var(--fw-semibold); letter-spacing: .04em; text-transform: uppercase; color: var(--text-soft); }
.legend-swatch { width: 17px; height: 17px; border-radius: 2px; }
.legend-swatch.frame { background: var(--olive-600); }
.legend-swatch.masonry { background: var(--neutral-400); }
.comparison-panel { display: grid; gap: 1.65rem; padding: clamp(1.5rem,4vw,3rem); border-radius: 8px; background: var(--neutral-100); }
.comparison-item { display: grid; gap: .65rem; }
.comparison-label { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.comparison-label strong { min-width: 0; display: inline-flex; align-items: center; gap: .65rem; font-size: clamp(1rem, .95rem + .18vw, 1.1rem); font-weight: var(--fw-semibold); color: var(--text); }
.comparison-label strong svg { width: 20px; height: 20px; flex: none; color: var(--accent-text); }
.comparison-label span { font-size: clamp(.76rem, .7rem + .16vw, .84rem); letter-spacing: .04em; text-transform: uppercase; color: var(--text-muted); }
.comparison-label strong span { min-width: 0; font-size: inherit; letter-spacing: 0; text-transform: none; color: inherit; }
.comparison-bars { display: grid; gap: .5rem; }
.comparison-bar { width: var(--value); height: 10px; display: block; border-radius: 999px; }
.comparison-bar.frame { background: var(--olive-600); }
.comparison-bar.masonry { background: var(--neutral-400); }
.comparison-note { padding-top: 1rem; border-top: 1px solid var(--border-strong); color: var(--text-muted); font-size: clamp(.88rem, .82rem + .18vw, 1rem); line-height: 1.55; }

.contact { background: var(--olive-50); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(3rem,8vw,8rem); align-items: start; }
.contact-info { position: sticky; top: 120px; }
.contact-info .h2 { margin-top: 1.2rem; }
.contact-info .lead { max-width: 470px; margin: 1.3rem 0 2rem; }
.contact-direct { display: grid; gap: .8rem; padding-top: 1.2rem; border-top: 1px solid var(--border-olive); }
.contact-direct a { display: flex; align-items: center; gap: .7rem; font-size: var(--fs-xs); color: var(--text-soft); }
.contact-direct a:hover { color: var(--accent-text); }
.contact-direct svg { width: 18px; height: 18px; color: var(--accent-text); }
.form { display: grid; gap: 1.1rem; padding: clamp(1.5rem,4vw,3.2rem); background: rgba(255,255,255,.8); border: 1px solid rgba(255,255,255,.95); box-shadow: 0 30px 80px rgba(48,53,24,.06); }
.field { display: grid; gap: .45rem; }
.field label { display: flex; align-items: center; gap: .45rem; font-size: var(--fs-micro); font-weight: var(--fw-semibold); letter-spacing: .13em; text-transform: uppercase; color: var(--text-soft); }
.field-ico { width: 16px; height: 16px; color: var(--accent-text); flex: none; }
.field input,.field textarea,.field select { width: 100%; padding: .82rem 0; border: 0; border-bottom: 1px solid var(--border-strong); border-radius: 0; background: transparent; color: var(--text); font: inherit; font-size: var(--fs-sm); transition: border-color var(--dur); }
.field input::placeholder,.field textarea::placeholder { color: var(--neutral-400); }
.field input:focus,.field textarea:focus,.field select:focus { outline: 0; border-color: var(--accent); }
.field textarea { min-height: 95px; resize: vertical; }
.form .btn-primary { width: 100%; margin-top: .6rem; }
.form .btn { min-height: 54px; font-size: clamp(.95rem, .9rem + .18vw, 1.06rem); }
.form-note { max-width: 430px; margin-inline: auto; text-align: center; font-size: var(--fs-micro); line-height: 1.5; color: var(--text-muted); }

.icon-title { max-width: 100%; width: fit-content; display: flex; align-items: center; justify-content: center; gap: .85rem; margin-inline: auto; text-align: center; }
.icon-title svg { width: clamp(1.65rem, 1.25rem + 1vw, 2.1rem); height: clamp(1.65rem, 1.25rem + 1vw, 2.1rem); color: var(--accent-text); flex: none; }
.icon-title span { min-width: 0; }
.faq { max-width: 900px; margin-inline: auto; border-top: 1px solid var(--border); }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; list-style: none; cursor: pointer; font-family: var(--font-display); font-size: var(--fs-h4); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover,.faq details[open] summary { color: var(--accent-text); }
.faq summary .ico { width: 18px; height: 18px; position: relative; flex: none; }
.faq summary .ico::before,.faq summary .ico::after { content: ""; position: absolute; background: currentColor; transition: opacity var(--dur); }
.faq summary .ico::before { left: 0; top: 50%; width: 100%; height: 1px; }
.faq summary .ico::after { left: 50%; top: 0; width: 1px; height: 100%; }
.faq details[open] summary .ico::after { opacity: 0; }
.faq p { max-width: 980px; padding: 0 0 2rem; color: var(--text-soft); font-size: clamp(1.08rem, 1rem + .34vw, 1.28rem); line-height: 1.72; }

.footer { padding: 5rem 0 2rem; background: #fff; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
.footer-brand .brand { margin-bottom: 1.2rem; }
.footer .brand { color: var(--text); }
.footer .brand img { filter: none; }
.footer-brand p { max-width: 360px; color: var(--text-muted); font-size: clamp(1rem, .94rem + .22vw, 1.125rem); line-height: 1.6; }
.footer-col h5 { margin-bottom: 1rem; font-size: var(--fs-xs); letter-spacing: .16em; text-transform: uppercase; color: var(--text-muted); }
.footer-col a { display: block; width: fit-content; padding: .34rem 0; font-size: clamp(1rem, .94rem + .22vw, 1.125rem); line-height: 1.35; color: var(--text-soft); }
.footer-link-icon { display: inline-flex !important; align-items: center; gap: .55rem; }
.footer-link-icon svg { width: 18px; height: 18px; flex: none; color: var(--accent-text); }
.footer-col a:hover { color: var(--accent-text); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 4rem; padding-top: 1.5rem; border-top: 1px solid var(--border); font-size: clamp(.95rem, .9rem + .18vw, 1.06rem); color: var(--text-muted); }
.footer-social { display: flex; gap: .5rem; }
.footer-social a { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--border); }
.footer-social a:hover { color: var(--accent-text); border-color: var(--border-olive); }
.footer-social svg { width: 16px; height: 16px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity:1; transform:none; transition:none; } .scroll-hint { animation:none; } }

@media (max-width: 960px) {
  .about-features { grid-template-columns: repeat(3,1fr); }
  .split,.contact-grid { grid-template-columns: 1fr; }
  .comparison-layout { grid-template-columns: 1fr; }
  .comparison-copy { position: static; }
  .figure-frame { min-height: 430px; }
  .contact-info { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav-wrap { padding-top: .65rem; }
  .nav-wrap.scrolled { padding-top: 0; }
  .nav { height: 64px; }
  .brand img { width: 34px; height: 34px; }
  .nav-toggle { display: flex; }
  .nav-links { position: fixed; top: 0; right: 0; width: min(86vw,360px); height: 100dvh; z-index: var(--z-nav); flex-direction: column; align-items: flex-start; justify-content: center; gap: 1.6rem; padding: 4rem 2.5rem; background: rgba(252,252,249,.98); transform: translateX(105%); transition: transform .5s var(--ease-out); }
  .nav-links.open { transform: none; box-shadow: -20px 0 60px rgba(27,27,27,.08); }
  .nav-links a { font-family: var(--font-display); font-size: clamp(1.35rem, 1.15rem + .8vw, 1.65rem); font-weight: var(--fw-light); letter-spacing: 0; text-transform: none; color: var(--text); }
  .nav-right { margin-left: 1rem; }
}

@media (max-width: 640px) {
  :root { --gutter: clamp(1.5rem, 6vw, 2rem); --section-y: 5rem; }
  .hero { min-height: auto; padding: 8.5rem 0 4rem; background-position: 65% center; }
  .nav-social { width: 34px; height: 34px; }
  .lang-toggle { min-width: 38px; height: 34px; padding-inline: .55rem; }
  .nav-social svg { width: 16px; height: 16px; }
  .hero-mark { width: 78vw; right: -38%; top: 55%; opacity: .04; }
  .hero .display { line-height: .98; }
  .hero .overline { max-width: 100%; letter-spacing: .11em; }
  .hero-cta { display: grid; }
  .hero-cta,.hero-cta .btn { width: 100%; }
  .hero-meta { grid-template-columns: 1fr; margin-top: 3.5rem; }
  .hero-meta div { padding: .9rem 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .scroll-hint { display: none; }
  .strip-inner { padding-block: 1.4rem; justify-content: flex-start; gap: 1rem 1.5rem; }
  .strip-item { width: calc(50% - .75rem); align-items: flex-start; }
  .about-intro { grid-template-columns: 1fr; gap: 1.5rem; }
  .about-features { grid-template-columns: 1fr 1fr; }
  .about-feature { min-height: 162px; padding-inline: .95rem; }
  .about-cta { grid-column: 1 / -1; }
  .comparison-panel { gap: 1.4rem; padding: 1.35rem; }
  .comparison-label { display: grid; gap: .25rem; }
  .comparison-bar { height: 9px; }
  .section-head br { display: none; }
  .split { gap: 3rem; }
  .figure-frame { min-height: 330px; }
  .contact-grid { gap: 2.5rem; }
  .form { padding: 1.5rem; }
  .faq summary { min-height: 80px; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 420px) {
  .nav-right { gap: .45rem; margin-left: .65rem; }
  .brand { gap: .55rem; font-size: 1.08rem; }
  .brand img { width: 31px; height: 31px; }
  .nav-social,.lang-toggle { width: 34px; min-width: 34px; height: 34px; }
  .nav-toggle { width: 42px; height: 42px; flex-basis: 42px; }
  .hero { padding-top: 7.75rem; }
  .strip-item { width: 100%; }
  .about-features { grid-template-columns: 1fr; }
  .about-feature { min-height: 150px; }
  .pillar { grid-template-columns: 44px 1fr; gap: 1rem; }
  .pillar-index svg { width: 22px; height: 22px; }
  .comparison-label strong { align-items: flex-start; }
  .icon-title { gap: .55rem; }
  .icon-title svg { width: 1.45rem; height: 1.45rem; }
  .faq summary { gap: 1rem; font-size: clamp(1.12rem, .95rem + 1.2vw, 1.28rem); }
}