/* ============================================
   GYMCALC.IO — MAIN STYLESHEET
   Design System & Global Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;900&family=Barlow:wght@400;500;600&display=swap');

/* ── CSS Variables ── */
:root {
  /* Brand Colors */
  --orange:       #FF5C00;
  --orange-light: #FF7A2E;
  --orange-dark:  #CC4900;
  --black:        #0D0D0D;
  --dark:         #1A1A1A;
  --dark-2:       #242424;
  --dark-3:       #2E2E2E;
  --gray:         #5A5A5A;
  --gray-light:   #8A8A8A;
  --border:       #333333;
  --white:        #FFFFFF;
  --off-white:    #F5F5F5;
  --text-muted:   #999999;

  /* Semantic */
  --success:      #22C55E;
  --warning:      #F59E0B;
  --error:        #EF4444;
  --info:         #3B82F6;

  /* Typography */
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'Barlow', sans-serif;

  /* Spacing Scale */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  24px;
  --space-6:  32px;
  --space-7:  48px;
  --space-8:  64px;
  --space-9:  96px;
  --space-10: 128px;

  /* Layout */
  --max-width:      1200px;
  --content-width:  800px;
  --nav-height:     64px;
  --border-radius:  8px;
  --border-radius-lg: 16px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.3);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.5);
  --shadow-orange: 0 4px 24px rgba(255,92,0,0.3);

  /* Transitions */
  --transition: all 0.2s ease;
  --transition-slow: all 0.4s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--black);
  color: var(--white);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--orange); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--orange-light); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font-body); }
input, select, textarea { font-family: var(--font-body); }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 900; text-transform: uppercase; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 700; text-transform: uppercase; }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); font-weight: 700; }
h4 { font-size: 1.2rem; font-weight: 600; }

p { color: var(--gray-light); line-height: 1.7; }
p.lead { font-size: 1.15rem; color: var(--off-white); }
small { font-size: 0.85rem; color: var(--text-muted); }

/* ── Layout Utilities ── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.container--narrow {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.section { padding: var(--space-9) 0; }
.section--sm { padding: var(--space-7) 0; }
.section--lg { padding: var(--space-10) 0; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }

.text-center { text-align: center; }
.text-orange { color: var(--orange); }
.text-muted { color: var(--text-muted); }

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(13,13,13,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: var(--transition);
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--white);
  text-decoration: none;
}

.nav__logo span { color: var(--orange); }

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav__link {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-light);
  transition: var(--transition);
}

.nav__link:hover,
.nav__link.active { color: var(--white); }

.nav__cta {
  background: var(--orange);
  color: var(--white) !important;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--border-radius);
  font-weight: 700;
}

.nav__cta:hover {
  background: var(--orange-light);
  color: var(--white) !important;
}

.nav__mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.nav__mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Hero ── */
.hero {
  padding-top: calc(var(--nav-height) + var(--space-9));
  padding-bottom: var(--space-9);
  background: var(--black);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,92,0,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,92,0,0.15);
  border: 1px solid rgba(255,92,0,0.3);
  border-radius: 100px;
  padding: var(--space-1) var(--space-4);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin-bottom: var(--space-5);
}

.hero__title { margin-bottom: var(--space-5); }
.hero__title em { color: var(--orange); font-style: normal; }

.hero__subtitle {
  font-size: 1.2rem;
  color: var(--gray-light);
  max-width: 560px;
  margin-bottom: var(--space-7);
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: var(--space-7);
  margin-top: var(--space-8);
  padding-top: var(--space-7);
  border-top: 1px solid var(--border);
}

.hero__stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--orange);
  line-height: 1;
}

.hero__stat-label {
  font-size: 0.85rem;
  color: var(--gray-light);
  margin-top: var(--space-1);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--border-radius);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--orange);
  color: var(--white);
  border-color: var(--orange);
}

.btn--primary:hover {
  background: var(--orange-light);
  border-color: var(--orange-light);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-orange);
}

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

.btn--secondary:hover {
  border-color: var(--gray);
  color: var(--white);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--orange);
  border-color: transparent;
  padding-left: 0;
}

.btn--ghost:hover { color: var(--orange-light); }

.btn--lg {
  padding: var(--space-4) var(--space-7);
  font-size: 1.1rem;
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: 0.85rem;
}

.btn--full { width: 100%; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ── Cards ── */
.card {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  transition: var(--transition);
}

.card:hover {
  border-color: var(--dark-3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card--orange {
  border-color: rgba(255,92,0,0.3);
  background: rgba(255,92,0,0.05);
}

.card--highlight {
  border-color: var(--orange);
  box-shadow: var(--shadow-orange);
}

/* ── Calculator Card ── */
.calc-card {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.calc-card:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow-orange);
  transform: translateY(-3px);
}

.calc-card__icon {
  width: 52px;
  height: 52px;
  background: rgba(255,92,0,0.15);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.calc-card__tag {
  display: inline-block;
  background: rgba(255,92,0,0.15);
  color: var(--orange);
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 2px 8px;
  border-radius: 4px;
}

.calc-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
}

.calc-card__desc {
  font-size: 0.9rem;
  color: var(--gray-light);
  line-height: 1.5;
  flex: 1;
}

/* ── Form Elements ── */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }

.form-label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--white);
}

.form-label .required { color: var(--orange); }

.form-input,
.form-select {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: var(--space-3) var(--space-4);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  width: 100%;
  transition: var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255,92,0,0.15);
}

.form-input::placeholder { color: var(--gray); }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238A8A8A' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: var(--space-7);
  cursor: pointer;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.form-error {
  font-size: 0.8rem;
  color: var(--error);
}

/* Radio/Checkbox Cards */
.option-grid {
  display: grid;
  gap: var(--space-3);
}

.option-grid--2 { grid-template-columns: repeat(2, 1fr); }
.option-grid--3 { grid-template-columns: repeat(3, 1fr); }

.option-card {
  position: relative;
  cursor: pointer;
}

.option-card input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.option-card__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--dark-2);
  border: 2px solid var(--border);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.option-card__emoji { font-size: 1.5rem; }
.option-card__label {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--white);
}

.option-card__desc {
  font-size: 0.8rem;
  color: var(--gray-light);
  line-height: 1.4;
}

.option-card input:checked + .option-card__inner {
  border-color: var(--orange);
  background: rgba(255,92,0,0.08);
}

.option-card:hover .option-card__inner {
  border-color: var(--gray);
}

/* Range Slider */
.range-wrapper { position: relative; }

.form-range {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--dark-3);
  outline: none;
  cursor: pointer;
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--orange);
  cursor: pointer;
  box-shadow: 0 0 8px rgba(255,92,0,0.4);
  transition: var(--transition);
}

.form-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.range-labels {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-2);
}

.range-labels span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.range-value {
  text-align: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--orange);
  margin-top: var(--space-2);
}

/* ── Progress Steps ── */
.steps {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: var(--space-7);
}

.step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
}

.step__num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--gray);
  flex-shrink: 0;
  transition: var(--transition);
}

.step__label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray);
  transition: var(--transition);
}

.step__line {
  flex: 1;
  height: 1px;
  background: var(--border);
  margin: 0 var(--space-3);
  transition: var(--transition);
}

.step.active .step__num {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
}

.step.active .step__label { color: var(--white); }

.step.done .step__num {
  background: var(--success);
  border-color: var(--success);
  color: var(--white);
}

.step.done .step__line { background: var(--success); }

/* ── Results ── */
.result-card {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.result-card__header {
  background: var(--orange);
  padding: var(--space-5) var(--space-6);
}

.result-card__header h3 {
  color: var(--white);
  font-size: 1.5rem;
}

.result-card__body { padding: var(--space-6); }

.result-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border);
}

.result-item:last-child { border-bottom: none; }

.result-item__rank {
  width: 32px;
  height: 32px;
  background: var(--orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 900;
  color: var(--white);
  flex-shrink: 0;
}

.result-item__name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
}

.result-item__desc {
  font-size: 0.9rem;
  color: var(--gray-light);
  margin-top: var(--space-1);
  line-height: 1.5;
}

.result-item__price {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--orange);
  margin-top: var(--space-2);
}

.result-item__actions {
  margin-top: var(--space-3);
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ── Email Capture ── */
.email-capture {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-7) var(--space-8);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.email-capture::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--orange);
}

.email-capture h3 {
  font-size: 1.8rem;
  margin-bottom: var(--space-3);
}

.email-capture p {
  max-width: 480px;
  margin: 0 auto var(--space-5);
}

.email-form {
  display: flex;
  gap: var(--space-3);
  max-width: 440px;
  margin: 0 auto;
}

.email-form .form-input {
  flex: 1;
}

/* ── Loading State ── */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-9) 0;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-text {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-light);
}

/* ── Badge / Tags ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge--new { background: rgba(255,92,0,0.15); color: var(--orange); }
.badge--popular { background: rgba(34,197,94,0.15); color: var(--success); }
.badge--soon { background: rgba(90,90,90,0.3); color: var(--gray-light); }

/* ── Section Headers ── */
.section-header { margin-bottom: var(--space-8); }
.section-header--center { text-align: center; }

.section-header__eyebrow {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--orange);
  margin-bottom: var(--space-3);
}

.section-header h2 { margin-bottom: var(--space-4); }

.section-header p {
  font-size: 1.05rem;
  max-width: 560px;
}

.section-header--center p { margin: 0 auto; }

/* ── Divider ── */
.divider {
  height: 1px;
  background: var(--border);
  margin: var(--space-8) 0;
}

/* ── Tooltip ── */
.tooltip {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.tooltip__trigger {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--dark-3);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: var(--gray-light);
  cursor: help;
  margin-left: var(--space-2);
}

.tooltip__content {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: var(--space-3) var(--space-4);
  width: 200px;
  font-size: 0.8rem;
  color: var(--gray-light);
  line-height: 1.4;
  pointer-events: none;
  opacity: 0;
  transition: var(--transition);
  z-index: 100;
}

.tooltip:hover .tooltip__content { opacity: 1; }

/* ── Announcement Bar ── */
.announcement-bar {
  background: var(--orange);
  padding: var(--space-2) var(--space-4);
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--white);
}

/* ── Footer ── */
.footer {
  background: var(--dark);
  border-top: 1px solid var(--border);
  padding: var(--space-9) 0 var(--space-6);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: var(--space-4);
}

.footer__logo span { color: var(--orange); }

.footer__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 280px;
}

.footer__heading {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer__link:hover { color: var(--white); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer__disclaimer {
  font-size: 0.75rem;
  color: var(--text-muted);
  max-width: 500px;
  text-align: right;
  line-height: 1.4;
}

/* ── Utilities ── */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
}

@media (max-width: 768px) {
  :root { --space-9: 64px; --space-10: 80px; }

  .nav__links { display: none; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--dark);
    border-bottom: 1px solid var(--border);
    padding: var(--space-5);
    gap: var(--space-4);
  }

  .nav__mobile-toggle { display: flex; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .option-grid--2, .option-grid--3 { grid-template-columns: 1fr; }

  .hero__stats { flex-direction: column; gap: var(--space-5); }
  .hero__actions { flex-direction: column; align-items: flex-start; }

  .email-form { flex-direction: column; }

  .footer__grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .footer__bottom { flex-direction: column; gap: var(--space-4); text-align: center; }
  .footer__disclaimer { text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-4); }
  .card, .calc-card { padding: var(--space-4); }
  .email-capture { padding: var(--space-5); }
}