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

/* ── Tokens ── */
:root {
  --deep-green:       oklch(0.24 0.072 160);
  --mid-green:        oklch(0.30 0.064 160);
  --tint-green:       oklch(0.95 0.011 160);
  --ink:              oklch(0.16 0.018 170);
  --ink-muted:        oklch(0.42 0.012 170);
  --white:            oklch(0.99 0 0);
  --leaf:             oklch(0.58 0.130 148);
  --leaf-dark:        oklch(0.46 0.115 152);
  --on-green:         oklch(0.92 0.014 145);
  --muted-on-green:   oklch(0.72 0.014 145);
  --border-light:     oklch(0.90 0.009 160);
  --border-dark:      oklch(0.34 0.055 160);
  --hot:              oklch(0.55 0.18 25);

  --display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --body:    'Figtree', system-ui, -apple-system, sans-serif;

  --max-w:       1140px;
  --section-v:   112px;
  --ease-out:    cubic-bezier(0.2, 0, 0, 1);
}

/* ── Base ── */
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--body);
  font-weight: 400;
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

p {
  line-height: 1.75;
  color: var(--ink-muted);
}

/* ── Layout ── */
.inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--body);
  font-weight: 600;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  line-height: 1;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
  white-space: nowrap;
  text-align: center;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible {
  outline: 3px solid var(--leaf);
  outline-offset: 2px;
}
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--leaf);
  color: var(--white);
  border-color: var(--leaf);
}
.btn-primary:hover {
  background: var(--leaf-dark);
  border-color: var(--leaf-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--on-green);
  border-color: var(--border-dark);
}
.btn-ghost:hover {
  background: oklch(0.30 0.060 160 / 0.5);
}

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

.btn-lg { padding: 18px 44px; font-size: 17px; }

/* ── NAV ── */
nav#nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 48px;
  transition: background 0.35s var(--ease-out),
              border-color 0.35s,
              box-shadow 0.35s;
  border-bottom: 1px solid transparent;
}
nav#nav.scrolled {
  background: oklch(0.99 0 0 / 0.96);
  border-bottom-color: var(--border-light);
  box-shadow: 0 1px 16px oklch(0 0 0 / 0.07);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.logo {
  font-family: var(--display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--on-green);
  transition: color 0.35s;
}
nav#nav.scrolled .logo { color: var(--ink); }

.nav-blog {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted-on-green);
  transition: color 0.2s;
}
.nav-blog:hover { color: var(--on-green); }
nav#nav.scrolled .nav-blog { color: var(--ink-muted); }
nav#nav.scrolled .nav-blog:hover { color: var(--ink); }

.nav-cta {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted-on-green);
  transition: color 0.2s;
}
.nav-cta:hover { color: var(--on-green); }
nav#nav.scrolled .nav-cta { color: var(--ink-muted); }
nav#nav.scrolled .nav-cta:hover { color: var(--ink); }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  background: var(--deep-green);
  position: relative;
  display: grid;
  grid-template-columns: 52% 1fr;
  align-items: center;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 120px 40px 80px 48px;
}

.hero-kicker {
  font-family: var(--body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--muted-on-green);
  margin-bottom: 32px;
}

.hero-headline {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(3.2rem, 5.5vw, 6.4rem);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--on-green);
  margin-bottom: 32px;
  text-wrap: balance;
}
.hl-line { display: block; }

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  color: var(--muted-on-green);
  line-height: 1.8;
  max-width: 460px;
  margin-bottom: 44px;
}

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

/* ── Cursor pixel trail ── */
#cursorCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
}

/* ── Robot visual ── */
.hero-visual {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 52%;
  pointer-events: none;
  z-index: 1;
}
.hero-photo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, oklch(0 0 0 / 0.15) 14%, black 42%);
  mask-image: linear-gradient(to right, transparent 0%, oklch(0 0 0 / 0.15) 14%, black 42%);
}
.hero-visual::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 32%;
  background: linear-gradient(to top, var(--deep-green) 0%, transparent 100%);
  pointer-events: none;
}

/* ── PROBLEM ── */
.problem {
  padding: var(--section-v) 0;
  background: var(--white);
}
.problem-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 80px;
  align-items: start;
}
.problem-lead h2 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--ink);
  position: sticky;
  top: 96px;
}
.problem-list {
  display: flex;
  flex-direction: column;
}
.problem-list li {
  padding: 36px 0;
  border-top: 1px solid var(--border-light);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-muted);
}
.problem-list li:last-child { border-bottom: 1px solid var(--border-light); }
.problem-list li strong {
  display: block;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

/* ── BRIDGE ── */
.bridge {
  padding: var(--section-v) 0;
  background: var(--tint-green);
  border-top: 1px solid oklch(0.87 0.016 160);
  border-bottom: 1px solid oklch(0.87 0.016 160);
}
.bridge-inner { max-width: 760px; }
.bridge-headline {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 28px;
  text-wrap: balance;
}
.bridge-sub {
  font-size: 1.1rem;
  line-height: 1.8;
  max-width: 580px;
  margin-bottom: 40px;
}

/* ── SERVICES ── */
.services {
  padding: var(--section-v) 0;
  background: var(--white);
}

.section-heading {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 0.97;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 60px;
  text-wrap: balance;
}

.service-list { display: flex; flex-direction: column; }

.service-item {
  padding: 52px 0;
  border-top: 1px solid var(--border-light);
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.service-item:last-child { border-bottom: 1px solid var(--border-light); }

.service-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
}
.service-header h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.05;
}
.service-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--leaf-dark);
  background: oklch(0.93 0.024 148);
  padding: 5px 12px;
  border-radius: 100px;
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1;
}

.service-item p {
  font-size: 1rem;
  max-width: 680px;
}

.service-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.service-features span {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-muted);
  background: var(--tint-green);
  border: 1px solid var(--border-light);
  padding: 5px 13px;
  border-radius: 100px;
  line-height: 1;
}

/* ── CALCULATOR ── */
.calculator {
  padding: var(--section-v) 0;
  background: var(--tint-green);
  border-top: 1px solid oklch(0.87 0.016 160);
  border-bottom: 1px solid oklch(0.87 0.016 160);
}

.calc-intro {
  font-size: 1rem;
  max-width: 560px;
  margin-bottom: 56px;
}

.calc-wrap {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  align-items: start;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.calc-field { display: flex; flex-direction: column; gap: 12px; }
.calc-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.calc-label-row label {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
}
.calc-val {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  min-width: 120px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

/* Slider */
.slider-track {
  position: relative;
  height: 4px;
  background: oklch(0.88 0.014 160);
  border-radius: 4px;
}
.slider-fill {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  background: var(--leaf);
  border-radius: 4px;
  pointer-events: none;
  transition: width 0.05s;
}
.slider-track input[type="range"] {
  position: absolute;
  inset: -12px 0;
  width: 100%;
  opacity: 0;
  cursor: pointer;
  height: 28px;
  margin: 0;
  z-index: 1;
}
.slider-track::after {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background: var(--leaf);
  border: 3px solid var(--tint-green);
  border-radius: 50%;
  pointer-events: none;
  left: var(--thumb-pct, 0%);
  margin-left: -10px;
  box-shadow: 0 1px 10px oklch(0.58 0.13 148 / 0.3);
  transition: left 0.05s;
}
.slider-hints {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--ink-muted);
  opacity: 0.55;
}

/* Results panel */
.calc-results {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: sticky;
  top: 96px;
  box-shadow: 0 2px 20px oklch(0 0 0 / 0.06);
}
.calc-result-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-muted);
  opacity: 0.6;
  margin-bottom: 8px;
}
.calc-monthly {
  font-family: var(--display);
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 24px;
  line-height: 1;
  transition: color 0.35s;
  font-variant-numeric: tabular-nums;
}
.calc-monthly.hot { color: var(--hot); }
.calc-divider {
  height: 1px;
  background: var(--border-light);
  margin-bottom: 20px;
}
.calc-yearly {
  font-family: var(--display);
  font-size: clamp(1.7rem, 2.8vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--leaf);
  margin-bottom: 32px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.calc-cta-wrap { margin-top: auto; }
.calc-cta-text {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 16px;
}
.calc-cta-text strong { color: var(--ink); font-weight: 600; }

/* ── PROOF ── */
.proof {
  padding: var(--section-v) 0;
  background: var(--deep-green);
}
.proof-heading {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 0.97;
  letter-spacing: -0.02em;
  color: var(--on-green);
  margin-bottom: 56px;
}
.proof-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border-dark);
  margin-bottom: 72px;
}
.proof-stat {
  padding: 40px 32px 40px 0;
  border-right: 1px solid var(--border-dark);
}
.proof-stat:last-child { border-right: none; }

.stat-num {
  display: block;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  letter-spacing: -0.02em;
  color: var(--on-green);
  line-height: 1;
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}
.stat-label {
  display: block;
  font-size: 13px;
  color: var(--muted-on-green);
  line-height: 1.55;
  max-width: 140px;
}

.proof-image {
  border-radius: 8px;
  overflow: hidden;
  max-width: 680px;
}
.proof-image img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  display: block;
}

/* ── PROCESS ── */
.process {
  padding: var(--section-v) 0;
  background: var(--white);
}
.steps { display: flex; flex-direction: column; }
.step {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 36px;
  padding: 48px 0;
  border-top: 1px solid var(--border-light);
  align-items: start;
}
.steps .step:last-child { border-bottom: 1px solid var(--border-light); }
.step-num {
  font-family: var(--display);
  font-weight: 800;
  font-size: 2.2rem;
  color: var(--border-light);
  line-height: 1;
  padding-top: 2px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.step-body h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.3rem, 2vw, 1.75rem);
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 12px;
  line-height: 1.1;
}
.step-body p { max-width: 580px; font-size: 1rem; }

/* ── CTA ── */
.cta {
  padding: var(--section-v) 0;
  background: var(--deep-green);
  border-top: 1px solid var(--border-dark);
}
.cta-inner {
  max-width: 680px;
  text-align: center;
}
.cta-headline {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--on-green);
  margin-bottom: 24px;
  text-wrap: balance;
}
.cta-sub {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--muted-on-green);
  max-width: 420px;
  margin: 0 auto 44px;
}
.cta-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--muted-on-green);
  opacity: 0.65;
}

/* ── FOOTER ── */
footer {
  background: oklch(0.13 0.016 170);
  border-top: 1px solid oklch(0.22 0.022 165);
  padding: 40px 0;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-logo {
  font-family: var(--display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--on-green);
}
.footer-links {
  display: flex;
  gap: 28px;
}
.footer-links a {
  font-size: 14px;
  color: var(--muted-on-green);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--on-green); }
.footer-copy {
  font-size: 13px;
  color: var(--muted-on-green);
  opacity: 0.5;
}

/* ── NAV LINKS group ── */
.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

/* ── PRICING ── */
.pricing {
  padding: var(--section-v) 0;
  background: var(--white);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}

.plan {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.plan-pro {
  background: var(--deep-green);
  border-color: var(--leaf);
  box-shadow: 0 0 0 1px var(--leaf), 0 12px 40px oklch(0.24 0.072 160 / 0.22);
}

.plan-badge {
  background: var(--leaf);
  color: var(--white);
  text-align: center;
  font-family: var(--body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: 9px 32px;
  line-height: 1;
}

.plan-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.plan-tier {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--leaf-dark);
  margin-bottom: 10px;
}
.plan-pro .plan-tier { color: var(--leaf); }

.plan-name {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(1.3rem, 1.8vw, 1.75rem);
  line-height: 1.0;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 12px;
  text-wrap: balance;
}
.plan-pro .plan-name { color: var(--on-green); }

.plan-desc {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--ink-muted);
  margin-bottom: 28px;
}
.plan-pro .plan-desc { color: var(--muted-on-green); }

/* Price block */
.plan-price-block {
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}
.plan-pro .plan-price-block { border-bottom-color: var(--border-dark); }
.plan-price-custom { padding-bottom: 24px; }

.plan-setup-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.plan-amount {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(1.45rem, 2vw, 1.95rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.plan-pro .plan-amount { color: var(--on-green); }
.plan-amount-custom {
  font-size: clamp(1.15rem, 1.6vw, 1.45rem);
  line-height: 1.2;
}

.plan-unit {
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-muted);
  white-space: nowrap;
}
.plan-pro .plan-unit { color: var(--muted-on-green); }

.plan-monthly-row {
  font-size: 13px;
  color: var(--ink-muted);
  display: flex;
  align-items: baseline;
  gap: 5px;
}
.plan-pro .plan-monthly-row { color: var(--muted-on-green); }

.plan-amount-sm {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.plan-pro .plan-amount-sm { color: var(--on-green); }

/* Features list */
.plan-features {
  flex: 1;
  margin-bottom: 20px;
}
.plan-features li {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--ink-muted);
  padding: 9px 0 9px 20px;
  border-bottom: 1px solid var(--border-light);
  position: relative;
}
.plan-features li:first-child {
  border-top: 1px solid var(--border-light);
}
.plan-pro .plan-features li {
  color: var(--muted-on-green);
  border-bottom-color: var(--border-dark);
}
.plan-pro .plan-features li:first-child {
  border-top-color: var(--border-dark);
}
.plan-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 10px;
  color: var(--leaf);
  font-weight: 700;
  font-size: 11px;
}

/* Leadtime */
.plan-leadtime {
  font-size: 12px;
  color: var(--ink-muted);
  margin-bottom: 20px;
}
.plan-leadtime strong { color: var(--ink); }
.plan-pro .plan-leadtime { color: var(--muted-on-green); }
.plan-pro .plan-leadtime strong { color: var(--on-green); }

/* Plan CTA */
.btn-plan {
  width: 100%;
  justify-content: center;
  margin-bottom: 12px;
}

.plan-note {
  font-size: 11px;
  color: var(--ink-muted);
  text-align: center;
  line-height: 1.5;
}
.plan-pro .plan-note { color: var(--muted-on-green); }

/* VAT note */
.pricing-vat {
  margin-top: 24px;
  font-size: 12px;
  color: var(--ink-muted);
  text-align: center;
}

/* Pricing mobile */
@media (max-width: 900px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
  .plan-pro { order: -1; }
}

/* ── Section CTAs ── */
.section-cta {
  margin-top: 52px;
}
.proof-cta {
  margin-top: 40px;
  text-align: center;
}

/* ── Scroll fade-up ── */
.fade-up {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s var(--ease-out) var(--delay, 0s),
              transform 0.55s var(--ease-out) var(--delay, 0s);
}
.fade-up.in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
}

/* ── Responsive ── */
@media (max-width: 1100px) {
  .inner { padding: 0 32px; }
  nav#nav { padding: 20px 32px; }
  .hero-content { padding-left: 32px; padding-right: 24px; }
  .footer-inner { padding: 0 32px; }
  .calc-wrap { grid-template-columns: 1fr 320px; gap: 32px; }
}

@media (max-width: 900px) {
  :root { --section-v: 88px; }
  .proof-stats { grid-template-columns: repeat(2, 1fr); }
  .proof-stat:nth-child(2) { border-right: none; }
  .proof-stat:nth-child(3) {
    border-right: 1px solid var(--border-dark);
    border-top: 1px solid var(--border-dark);
  }
  .proof-stat:nth-child(4) {
    border-right: none;
    border-top: 1px solid var(--border-dark);
  }
  .calc-wrap { grid-template-columns: 1fr; }
  .calc-results { position: static; }
}

@media (max-width: 768px) {
  :root { --section-v: 72px; }
  .inner { padding: 0 20px; }
  nav#nav { padding: 18px 20px; }

  .hero { grid-template-columns: 1fr; min-height: 100svh; }
  .hero-content { padding: 100px 20px 64px; }
  .hero-visual {
    position: absolute;
    right: 0; top: 0; bottom: 0;
    width: 100%;
    opacity: 0.12;
  }

  .problem-layout { grid-template-columns: 1fr; gap: 32px; }
  .problem-lead h2 { position: static; }

  .service-header { flex-direction: column; align-items: flex-start; gap: 8px; }

  .calc-inputs { gap: 32px; }
  .calc-results { padding: 28px 24px; }

  .step { grid-template-columns: 48px 1fr; gap: 20px; }

  .footer-inner {
    flex-direction: column;
    gap: 20px;
    text-align: center;
    padding: 0 20px;
  }
}

@media (max-width: 480px) {
  .hero-headline { font-size: clamp(2.6rem, 9vw, 3.4rem); }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .proof-stats { grid-template-columns: 1fr; }
  .proof-stat {
    border-right: none;
    border-top: 1px solid var(--border-dark);
    padding-right: 0;
  }
  .proof-stat:first-child { border-top: none; }
}