/* ============================================================
   Northern Automation — Shared Stylesheet
   All pages use this. No embedded <style> blocks in HTML.
   ============================================================ */

/* === RESET & DESIGN TOKENS === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #1a1a2e;
  --bg2:      #16213e;
  --bg3:      #0f3460;
  --accent:   #2563eb;
  --accent-h: #1d4ed8;
  --text:     #f1f5f9;
  --muted:    #94a3b8;
  --green:    #34d399;
  --red:      #f87171;
  --border:   rgba(255,255,255,0.08);
  --radius:   12px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === NAV === */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(26, 26, 46, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
}
.logo span { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.875rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-shrink: 0;
}
.nav-phone {
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-phone:hover { color: var(--text); }
.nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background 0.2s;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--accent-h); }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.25s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-mobile-menu {
  display: none;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem 1.5rem;
  z-index: 99;
}
.nav-mobile-menu.open { display: block; }
.nav-mobile-menu ul {
  list-style: none;
  margin-bottom: 1rem;
}
.nav-mobile-menu ul li a {
  display: block;
  padding: 0.6rem 0;
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}
.nav-mobile-menu .nav-cta {
  display: block;
  text-align: center;
  padding: 0.75rem;
  margin-top: 1rem;
}

/* === SECTION WRAPPERS === */
section { padding: 5rem 2rem; }
.container { max-width: 1100px; margin: 0 auto; }
.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #60a5fa;
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 540px;
  line-height: 1.7;
}
.text-center { text-align: center; }
.text-center .section-sub { margin-left: auto; margin-right: auto; }

/* === BUTTONS === */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: background 0.2s, transform 0.15s;
  white-space: nowrap;
}
.btn-primary:hover { background: var(--accent-h); transform: translateY(-1px); }

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--text);
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid var(--border);
  transition: border-color 0.2s, transform 0.15s;
  white-space: nowrap;
}
.btn-secondary:hover { border-color: rgba(255,255,255,0.3); transform: translateY(-1px); }

.btn-cta {
  display: block;
  text-align: center;
  background: var(--accent);
  color: #fff;
  padding: 0.9rem 1.5rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: background 0.2s, transform 0.15s;
}
.btn-cta:hover { background: var(--accent-h); transform: translateY(-1px); }

.btn-cta-outline {
  display: block;
  text-align: center;
  background: transparent;
  color: var(--text);
  padding: 0.9rem 1.5rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  border: 1px solid var(--border);
  transition: border-color 0.2s, transform 0.15s;
}
.btn-cta-outline:hover { border-color: rgba(255,255,255,0.3); transform: translateY(-1px); }

/* === BADGES === */
.badge-trial {
  display: inline-block;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: var(--green);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
}
.badge-blue {
  display: inline-block;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(37, 99, 235, 0.4);
  color: #93c5fd;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border-radius: 999px;
}
.badge-best {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 1rem;
  border-radius: 999px;
  white-space: nowrap;
}

/* === HOMEPAGE HERO === */
.hero {
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg2) 50%, var(--bg3) 100%);
  padding: 6rem 2rem 5rem;
  text-align: center;
}
.hero .badge-blue { margin-bottom: 1.5rem; }
.hero h1 {
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 1.25rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}
.hero-phone {
  margin: 0 auto 0.4rem;
}
.hero-phone a {
  font-size: clamp(2rem, 5.5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--green);
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.2s;
}
.hero-phone a:hover { opacity: 0.85; }
.hero-phone-label {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 2rem;
}
.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}
.hero-note { font-size: 0.85rem; color: var(--muted); }

/* === PROBLEM SECTION === */
.problem { background: var(--bg2); }
.stats-block {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  margin-top: 3rem;
}
.stat-item {
  text-align: center;
  max-width: 260px;
}
.stat-big {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(90deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat-item p {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.5;
}

/* === CALCULATOR === */
.calculator { background: var(--bg); }
.calc-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  max-width: 800px;
  margin: 3rem auto 0;
}
.calc-inputs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2.5rem;
}
.calc-group {}
.calc-group label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.75rem;
}
.calc-group label .calc-val {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
}
.calc-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  background: rgba(37,99,235,0.2);
  outline: none;
  cursor: pointer;
}
.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 3px solid var(--bg2);
  box-shadow: 0 0 0 2px var(--accent);
}
.calc-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 3px solid var(--bg2);
  box-shadow: 0 0 0 2px var(--accent);
}
.calc-number-wrap {
  position: relative;
}
.calc-number-wrap::before {
  content: "$";
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  font-weight: 700;
  color: var(--muted);
  pointer-events: none;
}
.calc-number {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.875rem 0.6rem 1.75rem;
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 700;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
  -moz-appearance: textfield;
}
.calc-number::-webkit-inner-spin-button,
.calc-number::-webkit-outer-spin-button { -webkit-appearance: none; }
.calc-number:focus { border-color: var(--accent); }
.calc-output {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}
.calc-output-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}
.calc-output-item {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  border: 1px solid rgba(248,113,113,0.2);
}
.calc-output-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.35rem;
}
.calc-output-value {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(90deg, #f87171, #fb923c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}
.calc-comparison {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  text-align: center;
}
.calc-comparison strong { color: var(--text); }
.calc-cta-wrap { text-align: center; }
.calc-cta-wrap .btn-primary { font-size: 1.05rem; padding: 1rem 2.5rem; }

/* === HOW IT WORKS === */
.how { background: var(--bg2); }
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  counter-reset: step;
}
.step { counter-increment: step; text-align: center; }
.step-num {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(37,99,235,0.15);
  border: 2px solid rgba(37,99,235,0.4);
  color: #60a5fa;
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}
.step-num::before { content: counter(step); }
.step h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }
.step p { font-size: 0.875rem; color: var(--muted); line-height: 1.6; }

/* === VERTICALS GRID === */
.verticals { background: var(--bg); }
.verticals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}
.vertical-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  text-decoration: none;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: border-color 0.2s, transform 0.2s;
}
.vertical-card:hover { border-color: rgba(37,99,235,0.45); transform: translateY(-2px); }
.vertical-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(37,99,235,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.vertical-icon svg {
  width: 22px;
  height: 22px;
  stroke: #60a5fa;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.vertical-card-body { flex: 1; min-width: 0; }
.vertical-card-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.2rem; }
.vertical-card-body p { font-size: 0.85rem; color: var(--muted); line-height: 1.4; }
.vertical-arrow {
  color: var(--muted);
  flex-shrink: 0;
  transition: color 0.2s, transform 0.2s;
  font-size: 1.25rem;
}
.vertical-card:hover .vertical-arrow { color: var(--accent); transform: translateX(3px); }

/* === DEMO SECTION === */
.demo-section { background: var(--bg2); text-align: center; }
.demo-phone-big {
  margin: 1.5rem 0 0.4rem;
}
.demo-phone-big a {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--green);
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.2s;
}
.demo-phone-big a:hover { opacity: 0.85; }
.demo-call-note {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

/* === PROOF (stats bar) === */
.proof { background: var(--bg); }
.stats-bar {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  padding-bottom: 3rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}
.stat { text-align: center; }
.stat .stat-number {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}
.stat .stat-label { font-size: 0.85rem; color: var(--muted); margin-top: 0.25rem; }
.trust-statement {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.7;
}

/* === PRICING === */
.pricing { background: var(--bg2); }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
}
.pricing-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.25rem 2rem;
  position: relative;
  transition: transform 0.2s;
  display: flex;
  flex-direction: column;
}
.pricing-card:hover { transform: translateY(-3px); }
.pricing-card.featured {
  border-color: var(--accent);
  background: linear-gradient(160deg, var(--bg), #1e2d5a);
}
.pricing-card .badge-trial { margin-bottom: 1.25rem; }
.pricing-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.price {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  margin: 0.5rem 0 0.25rem;
}
.price sup { font-size: 1.25rem; font-weight: 700; vertical-align: super; line-height: 0; }
.price-period { font-size: 0.875rem; color: var(--muted); margin-bottom: 0.5rem; }
.price-annual { font-size: 0.85rem; color: var(--muted); margin-bottom: 0.5rem; }
.price-annual strong { color: var(--text); }
.price-annual-note { font-size: 0.85rem; color: var(--muted); margin-bottom: 0.5rem; min-height: 1.4em; }
.billing-toggle { display: flex; align-items: center; justify-content: center; gap: 0.75rem; margin: 1.5rem auto 2rem; }
.toggle-label { font-size: 0.95rem; color: var(--muted); font-weight: 500; transition: color 0.2s; }
.toggle-label.active-label { color: var(--text); font-weight: 600; }
.toggle-switch { position: relative; display: inline-block; width: 48px; height: 26px; cursor: pointer; }
.toggle-switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.toggle-slider { position: absolute; inset: 0; background: rgba(255,255,255,0.15); border-radius: 26px; transition: background 0.2s; }
.toggle-slider::before { content: ''; position: absolute; width: 20px; height: 20px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: transform 0.2s; }
.toggle-switch input:checked + .toggle-slider { background: var(--accent); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(22px); }
.badge-savings {
  display: inline-block;
  background: rgba(52, 211, 153, 0.15);
  color: var(--green);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  margin-left: 4px;
}
.badge-popular {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 0.75rem;
}
.price-volume {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1.25rem;
  padding: 6px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.price-overage {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
  min-height: 1.2em;
}
.price-savings { font-size: 0.85rem; color: var(--green); font-weight: 600; margin-bottom: 1.5rem; }
.pricing-features { list-style: none; margin-bottom: 1.5rem; flex: 1; }
.pricing-features li {
  font-size: 0.875rem;
  color: var(--muted);
  padding: 0.35rem 0;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}
.pricing-features li::before {
  content: "\2713";
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}
.pricing-note {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}

/* === FAQ === */
.faq { background: var(--bg2); }
.faq-list { max-width: 720px; margin: 3rem auto 0; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  text-align: left;
  padding: 1.25rem 2.5rem 1.25rem 0;
  cursor: pointer;
  position: relative;
  font-family: inherit;
  line-height: 1.4;
}
.faq-question::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--muted);
}
.faq-item.open .faq-question::after { content: "\2212"; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-answer { max-height: 300px; padding-bottom: 1.25rem; }
.faq-answer p { font-size: 0.95rem; color: var(--muted); line-height: 1.7; }

/* === VERTICAL PAGE HERO === */
.vertical-hero {
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg2) 50%, var(--bg3) 100%);
  padding: 5rem 2rem;
  text-align: center;
}
.vertical-hero .badge-blue { margin-bottom: 1.5rem; }
.vertical-hero h1 {
  font-size: clamp(1.75rem, 4.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
}
.vertical-hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.vertical-hero p {
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  color: var(--muted);
  max-width: 580px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}
.vertical-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* === PAIN POINT CARDS === */
.pain-points { background: var(--bg); }
.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}
.pain-card {
  background: var(--bg2);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color 0.2s;
}
.pain-card:hover { border-color: rgba(239,68,68,0.4); }
.pain-emoji { font-size: 2rem; margin-bottom: 1rem; display: block; }
.pain-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }
.pain-card p { font-size: 0.9rem; color: var(--muted); line-height: 1.6; }

/* === VERTICAL FEATURE LIST === */
.vert-features { background: var(--bg2); }
.vert-feature-list {
  list-style: none;
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 0;
}
.vert-feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.vert-feature-list li:last-child { border-bottom: none; }
.vert-feature-bullet {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 0.45rem;
}
.vert-feature-list li div strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.2rem;
}
.vert-feature-list li div span {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
}

/* === DEMO AUDIO PLACEHOLDER === */
.audio-demo { background: var(--bg); text-align: center; }
.audio-placeholder {
  background: var(--bg2);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  max-width: 560px;
  margin: 2rem auto 0;
}
.audio-placeholder p {
  font-size: 0.95rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

/* === CONTACT PAGE === */
.contact-section { background: var(--bg); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  margin-top: 3rem;
  align-items: start;
}
.contact-info h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 1rem; }
.contact-info p { font-size: 0.95rem; color: var(--muted); line-height: 1.7; margin-bottom: 1.5rem; }
.contact-detail {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.contact-detail svg {
  width: 20px;
  height: 20px;
  stroke: #60a5fa;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
.contact-detail a {
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}
.contact-detail a:hover { color: var(--accent); }
.contact-form-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.4rem;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 0.875rem;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus { border-color: var(--accent); }
.form-select {
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.5rem;
}
.form-select option { background: var(--bg2); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-submit {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.9rem;
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  margin-top: 0.25rem;
}
.form-submit:hover { background: var(--accent-h); transform: translateY(-1px); }

/* === FOOTER === */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 3rem 2rem 2rem;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}
.footer-logo {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 0.5rem;
}
.footer-logo span { color: var(--accent); }
.footer-tagline {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
  line-height: 1.6;
}
.footer-brand a { color: var(--muted); text-decoration: none; font-size: 0.85rem; }
.footer-brand a:hover { color: var(--text); }
.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.875rem;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--text); }
.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.footer-bottom a { color: var(--muted); text-decoration: none; }
.footer-bottom a:hover { color: var(--text); }

/* === BACK-TO-TOP LINK (vertical pages) === */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 2rem;
  transition: color 0.2s;
}
.back-link:hover { color: var(--text); }

/* === SUCCESS / 404 PAGES === */
.fullpage-center {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
}
.card-centered {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 3rem 2.5rem;
  max-width: 580px;
  width: 100%;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-inner .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 768px) {
  .hero { padding: 4rem 1.25rem 3.5rem; }
  section { padding: 3.5rem 1.25rem; }
  .calc-card { padding: 1.75rem 1.25rem; }
  .calc-output-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.featured { order: -1; }
  .stats-bar { gap: 1.5rem; flex-direction: column; align-items: center; }
  .stats-block { gap: 2rem; flex-direction: column; align-items: center; }
  nav { padding: 0 1.25rem; }
  .nav-phone { display: none; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-card { padding: 1.75rem 1.25rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-inner .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .card-centered { padding: 2rem 1.5rem; }
}
.video-wrapper { overflow: hidden; }
.video-wrapper video { max-width: 100%; width: 100%; height: auto; display: block; }

@media (max-width: 480px) {
  .hero-buttons { flex-direction: column; align-items: center; }
  .vertical-buttons { flex-direction: column; align-items: center; }
  .btn-primary, .btn-secondary { width: 100%; text-align: center; white-space: normal; }
}