/* ==========================================================================
   FRIZA SMA Business Park — Stylesheet
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-1);
  line-height: var(--lh-normal);
  color: var(--graphite-900);
  background: var(--paper-100);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); letter-spacing: -0.01em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 999;
  background: var(--paper-000); color: var(--ink-900); padding: 12px 18px;
  font-family: var(--font-mono); font-size: var(--fs-00);
}
.skip-link:focus { left: var(--sheet-margin); top: var(--sheet-margin); }

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

/* ---- "Folha de desenho": moldura, marcas de registro, legendas -------- */
.sheet-frame {
  position: fixed; inset: 0; z-index: 40; pointer-events: none;
}
.reg {
  position: fixed; font-family: var(--font-mono); font-size: 14px; color: var(--ink-900);
  opacity: 0.55; z-index: 40;
}
.reg-tl { top: var(--sheet-margin); left: var(--sheet-margin); }
.reg-tr { top: var(--sheet-margin); right: var(--sheet-margin); }
.reg-bl { bottom: var(--sheet-margin); left: var(--sheet-margin); }
.reg-br { bottom: var(--sheet-margin); right: var(--sheet-margin); }

.sheet-meta {
  position: fixed; z-index: 40; font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.08em; color: var(--ink-900); opacity: 0.55;
  writing-mode: vertical-rl; text-orientation: mixed;
}
.sheet-meta--left { left: 6px; top: 50%; transform: translateY(-50%) rotate(180deg); }
.sheet-meta--right { right: 6px; top: 50%; transform: translateY(-50%); transition: opacity var(--dur-fast); }

@media (max-width: 720px) {
  .sheet-frame, .sheet-meta, .reg { display: none; }
}

/* ---- Header ------------------------------------------------------------ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: transparent;
  transition: background var(--dur-med) var(--ease-plot), box-shadow var(--dur-med), border-color var(--dur-med);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(241, 239, 233, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: var(--border-hair);
}
.header-inner {
  max-width: var(--content-max); margin: 0 auto;
  padding: 18px var(--sheet-margin);
  display: flex; align-items: center; gap: 32px;
}
.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.brand-mark { border-radius: var(--radius-0); }
.brand-word {
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
  letter-spacing: 0.02em; color: var(--paper-000);
  transition: color var(--dur-med);
}
.site-header.is-scrolled .brand-word { color: var(--ink-900); }
.brand-word-thin { font-weight: 600; opacity: 0.7; }
.brand-suffix {
  font-family: "Cormorant Garamond", "Times New Roman", serif; font-style: italic; font-weight: 500;
  font-size: 1.05rem; letter-spacing: 0.03em; color: var(--concrete-400); margin-left: 2px;
  transition: color var(--dur-med); white-space: nowrap;
}
.site-header.is-scrolled .brand-suffix { color: var(--concrete-600); }
@media (max-width: 860px) { .brand-suffix { display: none; } }

.main-nav { display: flex; gap: 28px; }
.main-nav a {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em;
  color: var(--paper-000); opacity: 0.85; padding: 6px 0; position: relative;
  transition: color var(--dur-fast), opacity var(--dur-fast);
}
.site-header.is-scrolled .main-nav a { color: var(--graphite-900); }
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px;
  background: var(--amber-signal); transition: width var(--dur-fast) var(--ease-plot);
}
.main-nav a:hover::after, .main-nav a.is-active::after { width: 100%; }
.main-nav a:hover, .main-nav a.is-active { opacity: 1; }

.btn-nav { margin-left: 8px; }

.nav-toggle {
  display: none; width: 34px; height: 34px; flex-direction: column; justify-content: center;
  align-items: center; gap: 5px; margin-left: 8px; position: relative; z-index: 6;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--paper-000); transition: all var(--dur-fast); }
.site-header.is-scrolled .nav-toggle span { background: var(--graphite-900); }

/* ---- Buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; font-family: var(--font-mono); font-size: 12.5px;
  letter-spacing: 0.05em; text-transform: uppercase; border-radius: var(--radius-0);
  border: 1px solid transparent; transition: all var(--dur-fast) var(--ease-plot);
  white-space: nowrap;
}
.btn-amber { background: var(--amber-signal); color: var(--paper-000); }
.btn-amber:hover { background: var(--amber-signal-soft); }
.btn-ghost-light { border-color: var(--line-on-ink); color: var(--paper-000); }
.btn-ghost-light:hover { background: rgba(255,255,255,0.08); border-color: var(--paper-000); }
.btn-outline-ink { border-color: var(--ink-900); color: var(--ink-900); }
.btn-outline-ink:hover { background: var(--ink-900); color: var(--paper-000); }
.btn-block { display: flex; width: 100%; margin-top: 20px; }

/* ---- Eyebrow / titles ---------------------------------------------------- */
.eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--amber-signal); margin: 0 0 14px; display: block;
}
.eyebrow--light { color: var(--concrete-400); }
.section-title { font-size: clamp(1.9rem, 3.4vw, var(--fs-4)); line-height: var(--lh-tight); color: var(--ink-900); max-width: 16ch; }
.section-title--light { color: var(--paper-000); }
.section-lede { font-size: var(--fs-2); line-height: var(--lh-normal); color: var(--graphite-700); max-width: 62ch; margin-top: 18px; }
.section-lede--light { color: rgba(241,239,233,0.82); }

/* ---- Layout helpers ------------------------------------------------------ */
.section { padding: clamp(64px, 10vw, 140px) var(--sheet-margin); }
.section-inner { max-width: var(--content-max); margin: 0 auto; }
.section-inner--split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.section-head { margin-bottom: clamp(40px, 6vw, 72px); }
.section--ink { background: var(--ink-950); }
.section--concrete { background: linear-gradient(180deg, var(--paper-100), var(--concrete-200) 140%); }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative; min-height: 100vh; display: flex; flex-direction: column;
  justify-content: flex-end; overflow: hidden; background: var(--graphite-900);
}
.hero-media { position: absolute; inset: 0; }
.hero-slide {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0; transform: scale(1.08);
  transition: opacity 1.6s ease, transform 9s linear;
}
.hero-slide.is-active { opacity: 1; transform: scale(1); }
.hero-scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(14,21,36,0.55) 0%, rgba(14,21,36,0.35) 40%, rgba(14,21,36,0.85) 100%),
    linear-gradient(90deg, rgba(14,21,36,0.6) 0%, rgba(14,21,36,0.05) 45%);
}
.hero-blueprint-grid {
  position: absolute; inset: 0; opacity: 0.16; mix-blend-mode: screen;
  background-image:
    linear-gradient(rgba(120,160,220,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,160,220,0.5) 1px, transparent 1px);
  background-size: 64px 64px;
}

.hero-content {
  position: relative; z-index: 2; max-width: var(--content-max); margin: 0 auto;
  padding: 160px var(--sheet-margin) 64px; width: 100%;
}
.hero-title {
  font-size: clamp(2.6rem, 6.4vw, var(--fs-7)); color: var(--paper-000);
  line-height: var(--lh-tight); font-weight: 700; max-width: 14ch;
}
.hero-title-accent { color: var(--concrete-400); }
.hero-sub {
  color: rgba(241,239,233,0.86); font-size: clamp(1rem, 1.6vw, var(--fs-2));
  max-width: 56ch; margin-top: 26px; line-height: var(--lh-normal);
}

.hero-dimline {
  margin-top: 48px; padding-top: 22px; position: relative;
  display: grid; grid-template-columns: repeat(4, auto); gap: clamp(20px, 4vw, 56px);
}
.hero-dimline-track {
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: repeating-linear-gradient(90deg, var(--concrete-400) 0 6px, transparent 6px 12px);
}
.hero-stat { display: flex; flex-direction: column; gap: 4px; }
.hero-stat-num { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.3rem, 2.4vw, 1.9rem); color: var(--paper-000); }
.hero-stat-unit { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.03em; color: var(--concrete-400); text-transform: uppercase; }

.hero-actions { display: flex; gap: 16px; margin-top: 48px; flex-wrap: wrap; }

.hero-scroll-cue {
  position: absolute; bottom: 22px; right: var(--sheet-margin); z-index: 2;
  color: rgba(241,239,233,0.6); font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase; display: flex; align-items: center; gap: 10px;
}
.hero-scroll-cue span {
  width: 1px; height: 32px; background: rgba(241,239,233,0.5); position: relative; overflow: hidden;
}
.hero-scroll-cue span::after {
  content: ""; position: absolute; top: -100%; left: 0; width: 100%; height: 100%;
  background: var(--amber-signal); animation: scrollcue 2.2s infinite ease-in-out;
}
@keyframes scrollcue { 0% { top: -100%; } 60% { top: 100%; } 100% { top: 100%; } }

/* ==========================================================================
   FEATURE GRID (Sobre)
   ========================================================================== */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-on-paper); border: var(--border-hair); }
.feature-card { background: var(--paper-050); padding: 34px 30px; }
.feature-icon { width: 40px; height: 40px; color: var(--ink-900); margin-bottom: 20px; }
.feature-card h3 { font-size: var(--fs-2); color: var(--ink-900); margin-bottom: 10px; font-weight: 700; }
.feature-card p { color: var(--graphite-700); font-size: var(--fs-0); line-height: var(--lh-normal); }

/* ==========================================================================
   SPEC SHEET (Diferenciais)
   ========================================================================== */
.spec-sheet { border-top: var(--border-hair-ink); margin-top: 8px; }
.spec-row {
  display: grid; grid-template-columns: 56px 260px 1fr; gap: 24px; align-items: baseline;
  padding: 22px 0; border-bottom: var(--border-hair-ink);
}
.spec-code { font-family: var(--font-mono); color: var(--concrete-400); font-size: var(--fs-0); }
.spec-label { font-family: var(--font-display); font-weight: 700; color: var(--paper-000); font-size: var(--fs-1); }
.spec-detail { color: rgba(241,239,233,0.78); font-size: var(--fs-0); line-height: var(--lh-normal); }

.blueprint-figure {
  margin: clamp(48px, 6vw, 80px) 0 0; background: var(--paper-100); padding: clamp(20px, 3vw, 40px);
  border: 1px solid rgba(241,239,233,0.12); max-width: 620px;
}
.blueprint-figure img { width: 100%; }
.blueprint-figure figcaption {
  font-family: var(--font-mono); font-size: 11px; color: var(--graphite-500); margin-top: 14px;
  letter-spacing: 0.03em;
}

/* ==========================================================================
   UNIDADES
   ========================================================================== */
.units-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.unit-card {
  border: var(--border-hair); padding: 26px; background: var(--paper-050);
  transition: border-color var(--dur-fast), transform var(--dur-fast);
}
.unit-card:hover { border-color: var(--ink-500); transform: translateY(-3px); }
.unit-card--feature { grid-column: span 2; grid-row: span 1; background: var(--paper-000); }
.unit-card--total {
  background: var(--ink-900); color: var(--paper-000); display: flex; flex-direction: column;
  justify-content: center; gap: 14px;
}
.unit-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.unit-tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.05em; color: var(--ink-900); }
.unit-tag--amber { color: var(--concrete-400); }
.unit-status {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.05em; color: var(--success-green);
  text-transform: uppercase; padding: 3px 8px; border: 1px solid currentColor;
}
.unit-elevation { width: 100%; height: auto; color: var(--ink-700); margin-bottom: 20px; }
.unit-areas { display: flex; gap: 22px; flex-wrap: wrap; }
.unit-areas > div { display: flex; flex-direction: column; gap: 4px; }
.unit-areas dt { font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; color: var(--graphite-500); letter-spacing: 0.04em; }
.unit-areas dd { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: var(--ink-900); }
.unit-total dd { color: var(--amber-signal); }

.unit-total-num { font-family: var(--font-display); font-weight: 700; font-size: clamp(2rem, 4vw, 2.8rem); }
.unit-total-num span { font-size: 1.1rem; opacity: 0.7; }
.unit-total-label { color: rgba(241,239,233,0.8); font-size: var(--fs-0); max-width: 34ch; }
.unit-card--total .btn { margin-top: 10px; align-self: flex-start; }

/* ---- Plantas e cortes técnicos ---- */
.plans-block { margin-top: clamp(48px, 6vw, 80px); border-top: var(--border-hair); padding-top: clamp(32px, 4vw, 48px); }
.plans-eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--graphite-500); margin: 0 0 20px;
}
.plans-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 14px; align-items: stretch; }
.plans-grid-col { display: flex; flex-direction: column; gap: 14px; }
.plan-item {
  position: relative; display: block; width: 100%; border: var(--border-hair); background: var(--paper-000);
  padding: 0; overflow: hidden; transition: border-color var(--dur-fast);
}
.plan-item:hover { border-color: var(--ink-500); }
.plan-item img { width: 100%; height: 100%; object-fit: contain; background: var(--paper-000); display: block; }
.plan-item--tall img { min-height: 320px; max-height: 640px; width: 100%; }
.plan-item:not(.plan-item--tall) img { min-height: 150px; max-height: 220px; }
.plan-item-label {
  position: absolute; left: 0; right: 0; bottom: 0; background: rgba(22,41,75,0.88); color: var(--paper-000);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.03em; padding: 8px 14px; text-align: left;
}
.plans-note { margin-top: 18px; font-size: var(--fs-00); color: var(--graphite-500); max-width: 68ch; }

@media (max-width: 720px) {
  .plans-grid { grid-template-columns: 1fr; }
  .plan-item--tall img { min-height: 260px; }
}

/* ==========================================================================
   LOCALIZAÇÃO
   ========================================================================== */
.loc-list { margin-top: 28px; display: flex; flex-direction: column; gap: 14px; }
.loc-list li { padding-left: 20px; position: relative; color: var(--graphite-700); font-size: var(--fs-1); }
.loc-list li::before { content: "—"; position: absolute; left: 0; color: var(--amber-signal); }
.loc-list strong { color: var(--ink-900); font-family: var(--font-mono); }

.loc-map { position: relative; border: var(--border-hair); padding: 10px; background: var(--paper-050); }
.loc-map img { width: 100%; }
.loc-map-caption {
  display: block; font-family: var(--font-mono); font-size: 11px; color: var(--graphite-500);
  margin-top: 10px; letter-spacing: 0.03em;
}

.loc-aerial {
  display: block; position: relative; width: 100%; max-width: var(--content-max); margin: clamp(40px, 5vw, 64px) auto 0;
  padding: 0; border: var(--border-hair); background: var(--paper-050); overflow: hidden;
}
.loc-aerial img { width: 100%; display: block; transition: transform var(--dur-med) var(--ease-plot); }
.loc-aerial:hover img { transform: scale(1.015); }
.loc-aerial-caption {
  position: absolute; left: 0; bottom: 0; right: 0; padding: 10px 18px;
  background: rgba(22,41,75,0.82); color: var(--paper-000); font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.03em; text-align: left;
}
@media (max-width: 720px) {
  .loc-aerial-caption { font-size: 10px; padding: 8px 14px; }
}

/* ==========================================================================
   POR QUE SMA — stat cards
   ========================================================================== */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-on-paper); border: var(--border-hair); }
.stat-card { background: var(--paper-050); padding: 30px 26px; display: flex; flex-direction: column; gap: 14px; }
.stat-value { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.6rem, 2.6vw, 2.1rem); color: var(--ink-900); }
.stat-value span { font-size: 0.9rem; font-weight: 600; opacity: 0.7; margin-left: 4px; }
.stat-desc { font-size: var(--fs-00); color: var(--graphite-700); line-height: var(--lh-normal); flex: 1; }
.stat-source { font-family: var(--font-mono); font-size: 10px; color: var(--graphite-500); letter-spacing: 0.02em; }

.investir-lower { margin-top: 48px; max-width: 76ch; border-top: var(--border-hair); padding-top: 32px; }
.investir-lower p { font-size: var(--fs-2); color: var(--ink-900); line-height: var(--lh-normal); }

/* ==========================================================================
   GALERIA
   ========================================================================== */
.gallery-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }
.gtab {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 9px 16px; border: 1px solid var(--line-on-paper); color: var(--graphite-700);
  transition: all var(--dur-fast);
}
.gtab.is-active, .gtab:hover { background: var(--ink-900); color: var(--paper-000); border-color: var(--ink-900); }

.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.gitem { position: relative; aspect-ratio: 4/3; overflow: hidden; display: block; }
.gitem img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-med) var(--ease-plot); }
.gitem:hover img { transform: scale(1.06); }
.gitem::after {
  content: "＋"; position: absolute; top: 10px; right: 10px; width: 26px; height: 26px;
  border: 1px solid rgba(255,255,255,0.6); color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 14px; opacity: 0; transition: opacity var(--dur-fast); background: rgba(14,21,36,0.4);
}
.gitem:hover::after { opacity: 1; }
.gitem.is-hidden { display: none; }

/* ==========================================================================
   CONTATO
   ========================================================================== */
.contact-channels { margin-top: 36px; display: flex; flex-direction: column; gap: 4px; }
.contact-channel {
  display: flex; align-items: center; gap: 16px; padding: 18px 4px; border-bottom: var(--border-hair-ink);
  color: var(--paper-000); transition: padding-left var(--dur-fast);
}
.contact-channel:hover { padding-left: 12px; }
.contact-channel svg { color: var(--concrete-400); flex-shrink: 0; }
.contact-channel strong { display: block; font-family: var(--font-display); font-size: var(--fs-1); font-weight: 700; }
.contact-channel em { display: block; font-style: normal; font-family: var(--font-mono); font-size: 12.5px; color: rgba(241,239,233,0.75); margin-top: 2px; }
.contact-channel small { opacity: 0.6; }
.contact-note { margin-top: 24px; font-family: var(--font-mono); font-size: 12px; color: rgba(241,239,233,0.6); }

.contact-card { background: var(--paper-050); padding: clamp(28px, 3vw, 40px); align-self: start; }
.contact-card-eyebrow { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--amber-signal); margin-bottom: 20px; }
.contact-facts { display: flex; flex-direction: column; gap: 16px; }
.contact-facts > div { display: flex; justify-content: space-between; border-bottom: var(--border-hair); padding-bottom: 14px; }
.contact-facts dt { font-family: var(--font-mono); font-size: 12px; color: var(--graphite-500); }
.contact-facts dd { margin: 0; font-family: var(--font-display); font-weight: 700; color: var(--ink-900); font-size: var(--fs-0); text-align: right; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer { background: var(--ink-950); padding: 48px var(--sheet-margin) 40px; }
.footer-inner { max-width: var(--content-max); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr 2fr; gap: 24px; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; color: var(--paper-000); }
.footer-brand em { font-style: normal; opacity: 0.6; font-weight: 600; }
.footer-addr { font-family: var(--font-mono); font-size: 12px; color: rgba(241,239,233,0.6); }
.footer-nav { display: flex; gap: 20px; justify-content: flex-end; flex-wrap: wrap; }
.footer-nav a { font-family: var(--font-mono); font-size: 12px; color: rgba(241,239,233,0.7); }
.footer-nav a:hover { color: var(--amber-signal-soft); }
.footer-legal { grid-column: 1 / -1; margin-top: 20px; padding-top: 20px; border-top: 1px solid rgba(241,239,233,0.1); font-size: 11px; color: rgba(241,239,233,0.45); font-family: var(--font-mono); }

/* ==========================================================================
   LIGHTBOX
   ========================================================================== */
.lightbox {
  position: fixed; inset: 0; background: rgba(14,21,36,0.96); z-index: 200;
  display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none;
  transition: opacity var(--dur-fast);
}
.lightbox.is-open { opacity: 1; pointer-events: auto; }
.lightbox img { max-width: 88vw; max-height: 78vh; object-fit: contain; border: 1px solid rgba(255,255,255,0.1); }
.lightbox-caption { position: absolute; bottom: 40px; left: 0; right: 0; text-align: center; color: rgba(241,239,233,0.8); font-family: var(--font-mono); font-size: 12px; }
.lightbox-close { position: absolute; top: 28px; right: var(--sheet-margin); color: #fff; font-size: 20px; width: 40px; height: 40px; }
.lightbox-nav { position: absolute; top: 50%; transform: translateY(-50%); color: #fff; font-size: 36px; width: 56px; height: 56px; }
.lightbox-prev { left: 8px; } .lightbox-next { right: 8px; }

/* ==========================================================================
   REVEAL ON SCROLL
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease-plot), transform 0.7s var(--ease-plot); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1080px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .units-grid { grid-template-columns: repeat(2, 1fr); }
  .unit-card--feature { grid-column: span 2; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .section-inner--split { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-nav { justify-content: center; }
}

@media (max-width: 720px) {
  .main-nav { position: fixed; top: 0; right: 0; height: 100vh; width: min(78vw, 320px);
    background: var(--ink-950); flex-direction: column; padding: 100px 32px 32px; gap: 24px;
    transform: translateX(100%); transition: transform var(--dur-med) var(--ease-plot); z-index: 5; }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav a { color: var(--paper-000) !important; font-size: 14px; }
  .nav-toggle { display: flex; }
  .btn-nav { display: none; }
  .header-inner { padding: 14px var(--sheet-margin); }

  .hero-content { padding-top: 120px; }
  .hero-dimline { grid-template-columns: repeat(2, 1fr); row-gap: 24px; }
  .hero-actions { flex-direction: column; align-items: stretch; }

  .feature-grid, .units-grid, .stat-grid { grid-template-columns: 1fr; }
  .unit-card--feature { grid-column: span 1; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .spec-row { grid-template-columns: 1fr; gap: 8px; }
  .spec-code { display: none; }
}