/* =============================================================
   QVON Tech — jointforce.buzz
   Computer Systems Design & Related Services
   Theme: DARK slate — body #0B0E14, text #E8EAED, accent #64748B
   ============================================================= */

:root {
  --bg: #0B0E14;
  --bg-2: #10141C;
  --bg-3: #161C27;
  --panel: #12161F;
  --panel-2: #1A202C;
  --line: #232B3A;
  --line-2: #2E3A4E;

  --text: #E8EAED;
  --text-soft: #C3C9D4;
  --muted: #9AA6B6;
  --muted-2: #7A8799;

  --accent: #64748B;
  --accent-2: #94A3B8;
  --accent-3: #475569;
  --accent-bright: #A8B6C8;

  --good: #7FB5A0;
  --warn: #C9A66B;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.55);

  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--accent-2);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-bright);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
  letter-spacing: -0.02em;
}

.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}

/* -------------------------------------------------------------
   BREADCRUMB-STYLE TOP BAR NAV
   ------------------------------------------------------------- */
.breadcrumb-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #0B0E14;
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.25s ease;
}

.breadcrumb-nav.is-scrolled {
  box-shadow: 0 8px 30px -18px rgba(0, 0, 0, 0.6);
}

.breadcrumb-nav__inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 28px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--text);
  white-space: nowrap;
}

.brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--accent);
  color: #0B0E14;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -0.03em;
}

.brand__name {
  letter-spacing: 0.01em;
}

.brand__name em {
  font-style: normal;
  color: var(--accent-2);
}

.breadcrumb-trail {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: center;
  gap: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--muted);
  white-space: nowrap;
}

.breadcrumb-trail a {
  color: var(--muted);
  padding: 6px 4px;
  transition: color 0.2s ease;
}

.breadcrumb-trail a:hover {
  color: var(--accent-bright);
}

.breadcrumb-trail a.is-active {
  color: var(--text);
}

.breadcrumb-sep {
  color: var(--accent-3);
  padding: 0 9px;
  user-select: none;
  font-size: 14px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--accent-2);
  color: #0B0E14;
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  transition: background 0.2s ease, transform 0.2s ease;
}

.nav-cta:hover {
  background: var(--accent-bright);
  color: #0B0E14;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* -------------------------------------------------------------
   HERO — ISOMETRIC 3D VISUAL
   ------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding: 96px 0 110px;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(35, 43, 58, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 43, 58, 0.22) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 65% 40%, #000 0%, transparent 72%);
  mask-image: radial-gradient(ellipse 70% 70% at 65% 40%, #000 0%, transparent 72%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 22px;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--accent);
}

.hero-title {
  font-size: clamp(2.4rem, 4.6vw, 3.9rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-title .accent-word {
  color: var(--accent-2);
}

.hero-lede {
  font-size: 1.14rem;
  line-height: 1.75;
  color: var(--text-soft);
  max-width: 560px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--accent-2);
  color: #0B0E14;
}

.btn-primary:hover {
  background: var(--accent-bright);
  color: #0B0E14;
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line-2);
}

.btn-ghost:hover {
  border-color: var(--accent-2);
  color: var(--accent-bright);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 42px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.hero-meta__item {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.hero-meta__item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--text);
  letter-spacing: 0;
  text-transform: none;
  margin-top: 2px;
}

/* Isometric composition */
.iso-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 440px;
}

.iso-stage__glow {
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: rgba(71, 85, 105, 0.5);
  filter: blur(110px);
  z-index: 0;
}

.iso-scene {
  position: relative;
  width: 460px;
  height: 420px;
  z-index: 1;
  perspective: 1400px;
}

.iso-scene__base {
  position: absolute;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%) rotateX(60deg) rotateZ(-45deg);
  width: 240px;
  height: 240px;
  background: var(--panel);
  border: 1px solid var(--line-2);
  transform-style: preserve-3d;
}

.iso-scene__base::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid var(--line);
}

.iso-cube {
  position: absolute;
  width: var(--size, 84px);
  height: var(--size, 84px);
  transform-style: preserve-3d;
}

.iso-cube .face {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(0, 0, 0, 0.18);
}

.iso-cube .face--top {
  background: var(--accent-2);
  transform: translateZ(var(--size, 84px));
}

.iso-cube .face--left {
  background: var(--accent);
  transform: rotateY(90deg) translateZ(var(--size, 84px));
}

.iso-cube .face--right {
  background: var(--accent-3);
  transform: rotateX(90deg) translateZ(var(--size, 84px));
}

.iso-cube--small { --size: 64px; }
.iso-cube--mid { --size: 84px; }
.iso-cube--tall { --size: 108px; }
.iso-cube--short { --size: 54px; }

.iso-cube--c1 { left: 34px; bottom: 118px; }
.iso-cube--c2 { left: 116px; bottom: 118px; }
.iso-cube--c3 { left: 198px; bottom: 118px; }
.iso-cube--c4 { left: 280px; bottom: 118px; }

.iso-cube--c1b { left: 34px; bottom: 202px; }
.iso-cube--c2b { left: 116px; bottom: 202px; }
.iso-cube--c3b { left: 198px; bottom: 202px; }

.iso-cube--c1t { left: 34px; bottom: 286px; }
.iso-cube--c2t { left: 116px; bottom: 286px; }

.iso-cube--float {
  left: 300px;
  bottom: 302px;
  animation: floatCube 5s ease-in-out infinite;
}

.iso-cube--float2 {
  left: 210px;
  bottom: 330px;
  animation: floatCube 6.5s ease-in-out infinite reverse;
}

@keyframes floatCube {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

/* -------------------------------------------------------------
   MARQUEE / INDUSTRY STRIP
   ------------------------------------------------------------- */
.strip-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
  padding: 26px 0;
  overflow: hidden;
}

.strip-track {
  display: flex;
  width: max-content;
  animation: stripMove 32s linear infinite;
}

.strip-track span {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-2);
  padding: 0 34px;
  position: relative;
  white-space: nowrap;
}

.strip-track span::after {
  content: "\2022";
  position: absolute;
  right: 0;
  color: var(--accent);
}

@keyframes stripMove {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* -------------------------------------------------------------
   SECTION HEADINGS (shared)
   ------------------------------------------------------------- */
.section-head {
  max-width: 680px;
  margin-bottom: 56px;
}

.section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2);
  display: inline-block;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-sub {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* -------------------------------------------------------------
   CAPABILITIES — numbered list / columns with big numerals
   ------------------------------------------------------------- */
.capabilities-section {
  padding: 104px 0;
  background: var(--bg);
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.cap-item {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 34px 30px;
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.cap-item:hover {
  border-color: var(--accent-3);
  transform: translateY(-4px);
}

.cap-item__num {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--accent-2);
  display: block;
  margin-bottom: 16px;
}

.cap-item__icon {
  position: absolute;
  top: 28px;
  right: 30px;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--panel-2);
  border: 1px solid var(--line-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-2);
  font-size: 20px;
}

.cap-item h3 {
  font-size: 1.22rem;
  margin-bottom: 12px;
  padding-right: 56px;
}

.cap-item p {
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 18px;
}

.cap-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cap-item__tags span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--muted-2);
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

/* -------------------------------------------------------------
   PROCESS — horizontal timeline
   ------------------------------------------------------------- */
.process-section {
  padding: 104px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.process-steps::before {
  content: "";
  position: absolute;
  top: 34px;
  left: 8%;
  right: 8%;
  height: 1px;
  background: var(--line-2);
}

.process-step {
  position: relative;
  padding: 0 26px;
  text-align: center;
}

.process-step:first-child { padding-left: 0; }
.process-step:last-child { padding-right: 0; }

.process-step__dot {
  position: relative;
  z-index: 1;
  width: 68px;
  height: 68px;
  margin: 0 auto 22px;
  border-radius: 50%;
  background: var(--panel-2);
  border: 1px solid var(--line-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-bright);
}

.process-step h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.process-step p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* -------------------------------------------------------------
   RESULTS — stat band with counters
   ------------------------------------------------------------- */
.results-section {
  padding: 96px 0;
  background: var(--bg);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 8px;
}

.stat-card {
  text-align: center;
  padding: 40px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.stat-card__value {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-card__value .suffix {
  color: var(--accent-2);
}

.stat-card__label {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-2);
}

/* -------------------------------------------------------------
   COMPARE — full-width statement rows
   ------------------------------------------------------------- */
.compare-section {
  padding: 104px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--line);
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 56px;
}

.compare-panel {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--panel);
}

.compare-panel__head {
  padding: 22px 28px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.compare-panel__head .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
}

.compare-panel--alt .compare-panel__head {
  background: var(--panel-2);
}

.compare-panel--alt .tag {
  background: var(--accent);
  color: #0B0E14;
}

.compare-panel__head .tag--dim {
  background: var(--bg-3);
  color: var(--muted);
  border: 1px solid var(--line-2);
}

.compare-list {
  list-style: none;
  padding: 14px 28px 22px;
}

.compare-list li {
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--text-soft);
  font-size: 0.96rem;
  line-height: 1.55;
}

.compare-list li:last-child {
  border-bottom: 0;
}

.compare-list li .marker {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  margin-top: 2px;
}

.marker--yes {
  background: var(--accent-3);
  color: var(--accent-bright);
}

.marker--no {
  background: var(--bg-3);
  color: var(--muted-2);
}

/* -------------------------------------------------------------
   METHOD — accordion / numbered sections
   ------------------------------------------------------------- */
.method-section {
  padding: 104px 0;
  background: var(--bg);
}

.method-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: start;
}

.accordion {
  border-top: 1px solid var(--line);
}

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

.accordion-btn {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 4px;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--text);
  transition: color 0.2s ease;
}

.accordion-btn:hover {
  color: var(--accent-bright);
}

.accordion-btn .idx {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-2);
  letter-spacing: 0.05em;
  width: 28px;
  flex-shrink: 0;
}

.accordion-btn .plus {
  margin-left: auto;
  font-size: 24px;
  font-weight: 300;
  color: var(--muted-2);
  transition: transform 0.3s ease;
}

.accordion-item.is-open .plus {
  transform: rotate(45deg);
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.accordion-panel__inner {
  padding: 0 4px 24px 46px;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.7;
}

/* -------------------------------------------------------------
   CONTACT
   ------------------------------------------------------------- */
.contact-section {
  padding: 104px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--line);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.contact-list {
  list-style: none;
  margin-top: 30px;
}

.contact-list li {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.contact-list li .ic {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--panel-2);
  border: 1px solid var(--line-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-2);
  font-size: 18px;
}

.contact-list li .lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.contact-list li .val {
  color: var(--text);
  font-weight: 500;
  font-size: 1.02rem;
}

.contact-form {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-field {
  margin-bottom: 18px;
}

.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.form-field input,
.form-field textarea {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color 0.2s ease;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-field textarea {
  resize: vertical;
  min-height: 130px;
}

.form-note {
  font-size: 12.5px;
  color: var(--muted-2);
  margin-top: 14px;
}

.form-status {
  margin-top: 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--good);
  display: none;
}

.form-status.is-visible {
  display: block;
}

/* -------------------------------------------------------------
   FOOTER
   ------------------------------------------------------------- */
.footer {
  background: #080B10;
  border-top: 1px solid var(--line);
}

.footer__cta {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.footer__cta h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: 12px;
}

.footer__cta p {
  color: var(--muted);
  margin-bottom: 26px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 56px 0 40px;
}

.footer__about p {
  color: var(--muted);
  font-size: 0.94rem;
  max-width: 300px;
  margin-top: 16px;
}

.footer__col h4 {
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 18px;
  font-family: var(--font-mono);
}

.footer__col ul {
  list-style: none;
}

.footer__col ul li {
  margin-bottom: 12px;
}

.footer__col ul li a {
  color: var(--text-soft);
  font-size: 0.94rem;
}

.footer__col ul li a:hover {
  color: var(--accent-bright);
}

.footer__bottom {
  border-top: 1px solid var(--line);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.88rem;
  color: var(--muted-2);
}

.footer__bottom .legal-links {
  display: flex;
  gap: 22px;
}

.footer__bottom .legal-links a {
  color: var(--muted);
}

/* -------------------------------------------------------------
   SCROLL REVEAL
   ------------------------------------------------------------- */
.fade-up {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* -------------------------------------------------------------
   RESPONSIVE
   ------------------------------------------------------------- */
@media (max-width: 1024px) {
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 40px 0; }
  .process-steps::before { display: none; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .breadcrumb-nav__inner { height: 62px; }
  .breadcrumb-trail {
    position: fixed;
    top: 62px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 12px 24px 20px;
    display: none;
    z-index: 99;
  }
  .breadcrumb-trail.is-open { display: flex; }
  .breadcrumb-trail .breadcrumb-sep { display: none; }
  .breadcrumb-trail a {
    padding: 13px 4px;
    border-bottom: 1px solid var(--line);
    font-size: 15px;
  }
  .nav-cta { margin-left: auto; }
  .nav-toggle { display: flex; }

  .hero-inner { grid-template-columns: 1fr; gap: 20px; }
  .hero-section { padding: 60px 0 70px; }
  .iso-stage { min-height: 0; }
  .iso-scene {
    transform: scale(0.72);
    transform-origin: center center;
    margin: 0 auto;
  }

  .cap-grid { grid-template-columns: 1fr; }
  .compare-grid { grid-template-columns: 1fr; }
  .method-layout { grid-template-columns: 1fr; gap: 40px; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 20px; }
  .breadcrumb-nav__inner { padding: 0 18px; }
  .iso-scene { transform: scale(0.52); }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .stat-card__value { font-size: 2.3rem; }
  .footer__grid { grid-template-columns: 1fr; gap: 30px; }
  .footer__bottom { flex-direction: column; text-align: center; justify-content: center; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
}