/* ============ Tokens ============ */
:root {
  --bg: #FFFFFF;
  --dark: #101418;
  --dark-2: #1A2129;
  --dark-3: #232C36;
  --ink: #101418;
  --ink-soft: #414B56;
  --muted: #5E6975;
  --dark-text: #EAF0F5;
  --dark-text-soft: #A7B4C0;
  --coral: #FF5A5F;
  --coral-deep: #E8484D;
  --coral-soft: #FFEEEE;
  --lime: #A3E635;
  --lime-deep: #7CB518;
  --line: #E5EAEF;
  --line-dark: #2B3540;
  --radius-card: 20px;
  --radius-pill: 999px;
  --font-display: "Space Grotesk", "Manrope", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --shadow-card: 0 10px 30px -12px rgba(16, 20, 24, 0.16);
  --shadow-card-lg: 0 24px 60px -20px rgba(16, 20, 24, 0.32);
  --slant: 5vw;
  --header-h: 76px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  caret-color: var(--coral);
}

::selection { background: var(--lime); color: var(--dark); }

body::-webkit-scrollbar { width: 12px; }
body::-webkit-scrollbar-track { background: var(--bg); }
body::-webkit-scrollbar-thumb {
  background: #C4CCD4;
  border-radius: var(--radius-pill);
  border: 3px solid var(--bg);
}
body::-webkit-scrollbar-thumb:hover { background: var(--coral); }

img, svg { display: block; max-width: 100%; }
input, button, select, textarea { font: inherit; color: inherit; }
ul[class], ol[class] { list-style: none; padding: 0; }
a { color: var(--coral-deep); text-underline-offset: 4px; text-decoration-thickness: 1.5px; }
a:hover { color: var(--coral); }

:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 3px;
  border-radius: 4px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.ic {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

.container {
  width: min(1200px, 100% - 48px);
  margin-inline: auto;
}
.container-narrow { width: min(760px, 100% - 48px); }

.section { padding-block: 96px; }

.section-title {
  font-size: clamp(1.9rem, 1.2rem + 2.4vw, 2.75rem);
  margin-bottom: 20px;
}

.section-sub {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 62ch;
  margin-bottom: 48px;
}

.section-title + *:not(.section-sub) { margin-top: 48px; }

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0;
  text-decoration: none;
  cursor: pointer;
  min-height: 48px;
  padding: 12px 28px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn-primary {
  background: var(--coral);
  color: var(--dark);
  box-shadow: 0 10px 24px -10px rgba(255, 90, 95, 0.55);
}
.btn-primary:hover {
  background: var(--coral-deep);
  color: var(--dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -10px rgba(255, 90, 95, 0.6);
}
.btn-primary:active { transform: translateY(0); }
.btn-lg { min-height: 56px; padding: 14px 36px; font-size: 1.0625rem; }
.btn-sm { min-height: 44px; padding: 9px 22px; font-size: 0.9375rem; }
.btn-block { width: 100%; }

/* ============ Header ============ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--header-h);
  transition: min-height 0.25s ease;
}
.header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 8px 24px -16px rgba(16, 20, 24, 0.25);
}
.header.is-scrolled .header-inner { min-height: 60px; }

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.logo-sep { color: var(--coral); margin-inline: 2px; }
.logo-accent { color: var(--coral-deep); }

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav > a:not(.btn) {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 10px 2px;
  transition: color 0.15s ease;
}
.nav > a:not(.btn):hover { color: var(--coral-deep); }

.burger {
  display: none;
  background: none;
  border: 0;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
  cursor: pointer;
  color: var(--ink);
  border-radius: 12px;
}
.burger .ic { width: 26px; height: 26px; }
.burger .burger-close { display: none; }
.burger[aria-expanded="true"] .burger-open { display: none; }
.burger[aria-expanded="true"] .burger-close { display: block; }

/* ============ Hero ============ */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: 64px 110px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.72) 58%, #FFFFFF 100%),
    linear-gradient(100deg, #FFFFFF 0%, rgba(255, 255, 255, 0.96) 32%, rgba(255, 255, 255, 0.6) 56%, rgba(255, 255, 255, 0.42) 100%),
    image-set(url("../img/hero-1600.webp") type("image/webp"), url("../img/hero-1600.jpg") type("image/jpeg"));
  background-size: cover;
  background-position: center, center, 68% 32%;
  background-repeat: no-repeat;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 64px;
  align-items: start;
}

h1 {
  font-size: clamp(2.3rem, 1.2rem + 3.6vw, 3.9rem);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.1875rem;
  color: var(--ink-soft);
  max-width: 56ch;
  margin-bottom: 32px;
}

.hero-bullets { display: grid; gap: 14px; margin-bottom: 36px; }
.hero-bullets li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--ink-soft);
  font-size: 1.0625rem;
}
.hero-bullets .ic {
  color: var(--lime-deep);
  margin-top: 3px;
  width: 20px;
  height: 20px;
  stroke-width: 2.6;
}

.hero-cta { margin-bottom: 28px; }
.cta-note {
  margin-top: 14px;
  font-size: 0.9375rem;
  color: var(--muted);
  max-width: 46ch;
}
.hero-trust {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

/* ============ Calculator card ============ */
.calc-card {
  background: var(--dark);
  color: var(--dark-text);
  border-radius: var(--radius-card);
  padding: 32px;
  box-shadow: var(--shadow-card-lg);
}
.calc-card ::selection { background: var(--coral); color: #fff; }

.calc-head h2 {
  font-size: 1.375rem;
  line-height: 1.25;
  margin-bottom: 10px;
}
.calc-head p {
  font-size: 0.9375rem;
  color: var(--dark-text-soft);
  margin-bottom: 24px;
}

.calc-form { display: grid; gap: 16px; }

.calc-gender { border: 0; padding: 0; }
.calc-gender legend,
.calc-card .field > label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--dark-text-soft);
  margin-bottom: 8px;
}

.seg {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  background: var(--dark-2);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-pill);
  padding: 5px;
}
.seg-item { position: relative; }
.seg-item input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.seg-item span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border-radius: var(--radius-pill);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--dark-text-soft);
  transition: background 0.18s ease, color 0.18s ease;
}
.seg-item input:checked + span { background: var(--coral); color: var(--dark); }
.seg-item input:focus-visible + span { outline: 3px solid var(--coral); outline-offset: 2px; }

.calc-fields {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.calc-card input[type="number"],
.calc-card select {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  background: var(--dark-2);
  border: 1px solid var(--line-dark);
  border-radius: 14px;
  color: var(--dark-text);
  font-variant-numeric: tabular-nums;
  transition: border-color 0.15s ease;
}
.calc-card select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23A7B4C0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 42px;
  text-overflow: ellipsis;
}
.calc-card input:hover, .calc-card select:hover { border-color: #3D4A57; }
.calc-card input:focus-visible, .calc-card select:focus-visible {
  outline: none;
  border-color: var(--coral);
  box-shadow: 0 0 0 3px rgba(255, 90, 95, 0.28);
}

.calc-result {
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--line-dark);
}
.calc-numbers {
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.calc-kcal { display: flex; align-items: baseline; gap: 10px; }
.calc-kcal-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 2.4rem + 1.6vw, 4rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}
.calc-kcal-unit {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--dark-text-soft);
}
.calc-bmi {
  font-size: 0.9375rem;
  color: var(--dark-text-soft);
  background: var(--dark-2);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
}
.calc-bmi strong {
  color: var(--dark-text);
  font-variant-numeric: tabular-nums;
}
.calc-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 20px 0 18px;
  padding: 0;
  list-style: none;
}
.calc-metrics li {
  display: grid;
  gap: 2px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--dark-2);
  border: 1px solid var(--line-dark);
}
.cm-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--dark-text-soft);
}
.cm-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.2;
  color: #fff;
  font-variant-numeric: tabular-nums;
}
.cm-unit {
  font-size: 0.6875rem;
  color: var(--dark-text-soft);
}

.calc-text {
  font-size: 0.9375rem;
  color: var(--dark-text-soft);
  margin-bottom: 16px;
}
.calc-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--lime);
  text-decoration: none;
}
.calc-link:hover { color: #C6F56E; }
.calc-link .ic { width: 18px; height: 18px; transition: transform 0.18s ease; }
.calc-link:hover .ic { transform: translateX(4px); }

/* ============ Dark sections + diagonals ============ */
.section-dark {
  background: var(--dark);
  color: var(--dark-text);
}
.section-dark .section-title { color: #fff; }
.section-dark .section-sub { color: var(--dark-text-soft); }
.section-dark ::selection { background: var(--coral); color: #fff; }

.slant-both {
  clip-path: polygon(0 var(--slant), 100% 0, 100% calc(100% - var(--slant)), 0 100%);
  padding-block: calc(96px + var(--slant));
  margin-block: calc(-1 * var(--slant) / 2);
}
.slant-top {
  clip-path: polygon(0 var(--slant), 100% 0, 100% 100%, 0 100%);
  padding-top: calc(96px + var(--slant));
  margin-top: calc(-1 * var(--slant) / 2);
}

/* ============ Pains ============ */
.pains-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pain-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 32px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.pain-card:hover {
  transform: translateY(-4px);
  border-color: transparent;
  box-shadow: var(--shadow-card);
}
.pain-card h3 {
  font-size: 1.375rem;
  margin-bottom: 12px;
}
.pain-card h3::before {
  content: "";
  display: block;
  width: 44px;
  height: 5px;
  border-radius: var(--radius-pill);
  background: var(--coral);
  margin-bottom: 18px;
}
.pain-card p { color: var(--ink-soft); }

/* ============ Program steps ============ */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: none;
}
.step {
  background: var(--dark-2);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-card);
  padding: 28px;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-pill);
  background: var(--lime);
  color: var(--dark);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 20px;
}
.step h3 { font-size: 1.25rem; margin-bottom: 12px; color: #fff; }
.step p { font-size: 0.9375rem; color: var(--dark-text-soft); }

/* ============ Features ============ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 40px;
}
.feature {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  color: var(--ink-soft);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.feature:hover { border-color: transparent; box-shadow: var(--shadow-card); }
.feature strong { color: var(--ink); font-weight: 700; }
.feature-ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  flex: none;
  border-radius: 14px;
  background: var(--coral-soft);
  color: var(--coral-deep);
}

/* ============ Pricing ============ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 36px 32px;
}
.price-card-featured {
  border: 2px solid var(--coral);
  box-shadow: var(--shadow-card);
}
.price-badge {
  position: absolute;
  top: -17px;
  left: 28px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--coral);
  color: var(--dark);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: var(--radius-pill);
  padding: 6px 16px;
}
.price-badge .ic { width: 16px; height: 16px; stroke-width: 2.4; }
.price-card h3 { font-size: 1.5rem; }
.price-term {
  font-weight: 600;
  color: var(--coral-deep);
  margin: 6px 0 16px;
}
.price-desc { color: var(--ink-soft); font-size: 0.9375rem; flex: 1; }
.price-value {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.price-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.375rem;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.price-per { color: var(--muted); font-weight: 500; }
.price-benefit {
  margin-top: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--lime-deep);
}
.pricing-note {
  margin-top: 40px;
  text-align: center;
  color: var(--ink-soft);
}

/* ============ Results (tracker screens) ============ */
.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.tracker {
  background: var(--dark-2);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-card);
  padding: 28px;
  display: flex;
  flex-direction: column;
}
.tracker-head h3 { font-size: 1.25rem; color: #fff; }
.tracker-head p { font-size: 0.875rem; color: var(--dark-text-soft); margin-top: 2px; }

.tracker-screen {
  background: var(--dark);
  border: 1px solid var(--line-dark);
  border-radius: 16px;
  padding: 22px 20px;
  margin-block: 20px;
}
.tracker-points {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 10px;
  margin-bottom: 12px;
}
.tracker-point {
  display: flex;
  flex-direction: column;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--dark-text);
  font-variant-numeric: tabular-nums;
}
.tracker-point small {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.71875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dark-text-soft);
  margin-bottom: 2px;
}
.tracker-point-b { text-align: right; color: var(--lime); }
.tracker-term {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--dark-text-soft);
  background: var(--dark-3);
  border-radius: var(--radius-pill);
  padding: 5px 14px;
  white-space: nowrap;
}
.tracker-bar {
  height: 6px;
  background: var(--dark-3);
  border-radius: var(--radius-pill);
  overflow: hidden;
  margin-bottom: 18px;
  opacity: 0.75;
}
.tracker-bar-fill {
  display: block;
  height: 100%;
  width: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--coral), var(--lime));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
}
.is-visible .tracker-bar-fill { transform: scaleX(1); }

.tracker-delta {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.tracker-delta .counter {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.5rem, 2.8rem + 2vw, 6rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}
.tracker-unit {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--dark-text-soft);
}
.tracker-body p {
  font-size: 0.9375rem;
  color: var(--dark-text-soft);
}
.tracker-body p + p { margin-top: 8px; }
.results-disclaimer {
  margin-top: 44px;
  font-size: 0.875rem;
  color: var(--dark-text-soft);
  max-width: 72ch;
}

/* ============ Testimonials ============ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.testimonial {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 32px;
  display: flex;
  flex-direction: column;
}
.testimonial blockquote { flex: 1; }
.testimonial blockquote p { color: var(--ink-soft); }
.testimonial figcaption {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
}


/* ============ FAQ accordion ============ */
.accordion { display: grid; gap: 12px; }
.acc-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--bg);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.acc-item.is-open { border-color: transparent; box-shadow: var(--shadow-card); }
.acc-heading { margin: 0; }
.acc-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 22px 26px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--ink);
  border-radius: var(--radius-card);
}
.acc-trigger:hover { color: var(--coral-deep); }
.acc-chevron { transition: transform 0.25s ease; color: var(--coral); }
.acc-trigger[aria-expanded="true"] .acc-chevron { transform: rotate(180deg); }
.acc-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}
.acc-panel.is-open { grid-template-rows: 1fr; }
.acc-panel[hidden] { display: grid; }
.acc-content { overflow: hidden; }
.acc-content p {
  padding: 0 26px 24px;
  color: var(--ink-soft);
}

/* ============ Final CTA ============ */
.final { padding-bottom: 96px; }
.final .section-title { margin-bottom: 24px; }
.final-text { color: var(--dark-text-soft); font-size: 1.0625rem; }
.final-text + .final-text { margin-top: 14px; }

.final-form {
  margin-top: 44px;
  background: var(--dark-2);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-card);
  padding: 36px;
  display: grid;
  gap: 20px;
}
.final-form .field > label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dark-text-soft);
  margin-bottom: 8px;
}
.final-form input[type="text"] {
  width: 100%;
  min-height: 52px;
  padding: 12px 16px;
  background: var(--dark);
  border: 1px solid var(--line-dark);
  border-radius: 14px;
  color: var(--dark-text);
  transition: border-color 0.15s ease;
}
.final-form input[type="text"]::placeholder { color: #7C8894; }
.final-form input[type="text"]:hover { border-color: #3D4A57; }
.final-form input[type="text"]:focus-visible {
  outline: none;
  border-color: var(--coral);
  box-shadow: 0 0 0 3px rgba(255, 90, 95, 0.28);
}
.final-form input[aria-invalid="true"] { border-color: var(--coral); }

.field-error {
  margin-top: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: #FF9295;
}
.field-error[hidden] { display: none; }

.consent {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  cursor: pointer;
  font-size: 0.9375rem;
  color: var(--dark-text-soft);
}
.consent a { color: var(--lime); }
.consent a:hover { color: #C6F56E; }
.consent input {
  appearance: none;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 2px solid var(--line-dark);
  border-radius: 7px;
  background: var(--dark);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.consent input:checked {
  background: var(--lime);
  border-color: var(--lime);
}
.consent input:checked::after {
  content: "";
  width: 11px;
  height: 6px;
  border-left: 2.5px solid var(--dark);
  border-bottom: 2.5px solid var(--dark);
  transform: rotate(-45deg) translateY(-1px);
}
.cta-note-dark { color: var(--dark-text-soft); text-align: center; max-width: none; }

/* ============ Footer ============ */
.footer {
  background: var(--dark);
  color: var(--dark-text-soft);
  padding: 56px 0 36px;
  border-top: 1px solid var(--line-dark);
}
.footer ::selection { background: var(--coral); color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 0.8fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line-dark);
}
.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.footer-sub { font-size: 0.875rem; }
.footer-links { display: grid; gap: 10px; align-content: start; }
.footer-links a,
.footer-contacts a {
  color: var(--dark-text-soft);
  text-decoration: none;
  font-size: 0.9375rem;
  padding-block: 2px;
  transition: color 0.15s ease;
}
.footer-links a:hover, .footer-contacts a:hover { color: var(--lime); }
.footer-contacts { display: grid; gap: 12px; align-content: start; }
.footer-contacts a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.footer-contacts .ic { width: 18px; height: 18px; }
.footer-disclaimer {
  margin-top: 32px;
  font-size: 0.8125rem;
  max-width: 88ch;
}
.footer-copy { margin-top: 16px; font-size: 0.8125rem; }

/* ============ Reveal animation ============ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ============ Tablet: 768 ============ */
@media (max-width: 1024px) {
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 30px 50px -20px rgba(16, 20, 24, 0.3);
    padding: 16px 20px 24px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s;
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav > a:not(.btn) {
    font-size: 1.125rem;
    font-weight: 600;
    padding: 13px 6px;
    min-height: 48px;
  }
  .nav-cta { margin-top: 12px; }
  .burger { display: inline-flex; align-items: center; justify-content: center; }

  .section { padding-block: 72px; }
  .hero { padding-block: 40px 88px; }
  .hero::before {
    background-image:
      linear-gradient(180deg, rgba(255, 255, 255, 0.45) 0%, rgba(255, 255, 255, 0.85) 52%, #FFFFFF 88%),
      image-set(url("../img/hero-1600.webp") type("image/webp"), url("../img/hero-1600.jpg") type("image/jpeg"));
    background-position: center, 64% 28%;
  }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .calc-card { max-width: 640px; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .results-grid { grid-template-columns: 1fr; max-width: 640px; }
  .testimonials-grid { grid-template-columns: 1fr; max-width: 680px; }
  .pricing-grid { gap: 16px; }
  .price-card { padding: 30px 24px; }
  .price-num { font-size: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ============ Mobile: 375 ============ */
@media (max-width: 767px) {
  :root { --header-h: 64px; --slant: 7vw; }
  .container, .container-narrow { width: min(1200px, 100% - 40px); }
  .section { padding-block: 64px; }
  .slant-both { padding-block: calc(64px + var(--slant)); }
  .slant-top { padding-top: calc(64px + var(--slant)); }

  h1 { margin-bottom: 18px; }
  .hero { padding-block: 28px 80px; }
  .hero::before {
    background-image:
      linear-gradient(180deg, rgba(255, 255, 255, 0.62) 0%, rgba(255, 255, 255, 0.9) 46%, #FFFFFF 74%),
      image-set(url("../img/hero-900.webp") type("image/webp"), url("../img/hero-900.jpg") type("image/jpeg"));
    background-position: center, 62% 26%;
  }
  .hero-sub { font-size: 1.0625rem; margin-bottom: 26px; }
  .hero-bullets li { font-size: 1rem; }
  .hero-cta .btn { width: 100%; }

  .calc-card { padding: 24px 20px; }
  .calc-fields { grid-template-columns: 1fr; gap: 16px; }
  .calc-metrics { grid-template-columns: 1fr; }
  .calc-metrics li { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
  .calc-metrics .cm-label { flex: 1 0 100%; }
  .calc-numbers { gap: 12px; }

  .pains-grid, .features-grid { grid-template-columns: 1fr; }
  .pain-card { padding: 26px 22px; }
  .steps { grid-template-columns: 1fr; }

  /* Тарифы: горизонтальный скролл со снапом */
  .pricing-scroller {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    margin-inline: -20px;
    padding: 20px 20px 8px;
    scrollbar-width: thin;
  }
  .pricing-grid {
    display: flex;
    gap: 16px;
  }
  .price-card {
    flex: 0 0 82%;
    max-width: 320px;
    scroll-snap-align: center;
  }

  .tracker { padding: 22px 18px; }
  .testimonial { padding: 26px 22px; }
  .acc-trigger { padding: 18px 20px; font-size: 1rem; }
  .acc-content p { padding: 0 20px 20px; }

  .final-form { padding: 26px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-contacts a { min-height: 44px; align-items: center; }
}

/* ============ Reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .tracker-bar-fill { transform: scaleX(1); }
}

.footer-demo { margin-top: 10px; font-size: 0.8rem; line-height: 1.6; color: var(--dark-text-soft); opacity: 0.72; }
.footer-demo a { color: inherit; }
@media (min-width: 768px) and (max-width: 1024px) { .pains-grid { grid-template-columns: repeat(2, 1fr); } }

/* ============ Плейсхолдеры фото ============ */
.ph {
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: var(--coral-deep);
  background:
    repeating-linear-gradient(-45deg, rgba(255, 90, 95, 0.1) 0 10px, transparent 10px 20px),
    #F7F9FA;
  border: 1.5px dashed rgba(255, 90, 95, 0.4);
}
.ph .ic { width: 42px; height: 42px; stroke-width: 1.6; }

.hero-trust {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.hero-trust p {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--muted);
}

/* ============ Шкала ИМТ ============ */
.bmi-scale { margin-bottom: 18px; }
.bmi-track {
  position: relative;
  height: 10px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg,
    #4C93E8 0 10.4%,
    var(--lime) 10.4% 37.5%,
    #F5C542 37.5% 58.3%,
    var(--coral) 58.3% 100%);
}
.bmi-marker {
  position: absolute;
  top: 50%;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--dark);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.9);
  transform: translate(-50%, -50%);
  transition: left 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.bmi-legend {
  position: relative;
  height: 16px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--dark-text-soft);
  font-variant-numeric: tabular-nums;
}
.bmi-legend li {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  white-space: nowrap;
}
.bmi-legend-start { left: 0; transform: none; }
.bmi-legend-end { right: 0; transform: none; }
.bmi-zone-name {
  margin-top: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--dark-text);
}

/* ============ Полоса фото формата работы ============ */
.media-strip { padding-bottom: 40px; }
.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.shot { margin: 0; }
.shot picture {
  display: block;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: #EDF1F4;
  box-shadow: var(--shadow-card);
}
.shot img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.trainer-avatar {
  display: block;
  width: 64px;
  height: 64px;
  flex: none;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--lime);
}
.trainer-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============ Инфографика: неделя, рацион, чат ============ */
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.proof-card {
  margin: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: #FAFBFC;
  display: flex;
  flex-direction: column;
}
.proof-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--ink);
  margin-bottom: 20px;
}
.proof-title .ic { width: 20px; height: 20px; color: var(--coral-deep); }
.proof-note {
  margin-top: auto;
  padding-top: 16px;
  font-size: 0.8125rem;
  color: var(--muted);
}

.week-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  flex: 1;
  align-content: space-between;
}
.wl-row {
  display: grid;
  grid-template-columns: 26px 1fr 66px;
  align-items: center;
  gap: 12px;
}
.wl-day {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--muted);
}
.wl-row.is-train .wl-day { color: var(--ink); }
.wl-track {
  height: 12px;
  border-radius: var(--radius-pill);
  background: #EBF0F4;
  overflow: hidden;
}
.wl-fill {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--coral), var(--coral-deep));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.15s;
}
.is-visible .wl-fill { transform: scaleX(1); }
.wl-fill-plan { background: linear-gradient(90deg, #C7E86A, var(--lime-deep)); }
.wl-val {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted);
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.wl-row.is-train .wl-val { color: var(--ink); }

.week-total {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.875rem;
  color: var(--ink-soft);
}
.week-total b {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  color: var(--ink);
}
.week-hint {
  margin-top: 10px;
  font-size: 0.8125rem;
  color: var(--muted);
}

.ring-wrap {
  display: flex;
  justify-content: center;
  padding-block: 4px 22px;
}
.ring { width: 168px; height: 168px; flex: none; transform: rotate(-90deg); }
.ring-track { fill: none; stroke: var(--line); stroke-width: 14; }
.ring-seg { fill: none; stroke-width: 14; stroke-linecap: butt; }
.ring-p { stroke: var(--coral); }
.ring-f { stroke: #F5C542; }
.ring-c { stroke: var(--lime-deep); }
.ring-center-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  fill: var(--ink);
}
.ring-center-cap {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 9px;
  letter-spacing: 0.04em;
  fill: var(--muted);
}

.ring-source {
  margin: -8px 0 6px;
  font-size: 0.8125rem;
  color: var(--muted);
}
.ring-legend {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  flex: 1;
  align-content: start;
}
.ring-legend li { display: grid; gap: 7px; }
.rl-head {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.9375rem;
  color: var(--ink-soft);
}
.rl-head b {
  margin-left: auto;
  font-family: var(--font-display);
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.rl-bar {
  display: block;
  height: 8px;
  border-radius: var(--radius-pill);
  background: #EBF0F4;
  overflow: hidden;
}
.rl-bar i {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
}
.is-visible .rl-bar i { transform: scaleX(1); }
.rl-bar-p { background: var(--coral); }
.rl-bar-f { background: #F5C542; }
.rl-bar-c { background: var(--lime-deep); }
.ring-legend small {
  font-size: 0.75rem;
  color: var(--muted);
}
.dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.dot-p { background: var(--coral); }
.dot-f { background: #F5C542; }
.dot-c { background: var(--lime-deep); }

/* ============ Мини-графики в карточках болей ============ */
.pain-viz {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  margin-bottom: 18px;
}
.pv-grid { stroke: var(--line); stroke-width: 1.5; stroke-dasharray: 4 5; }
.pv-line { fill: none; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.pv-line-drop { stroke: var(--coral); }
.pv-line-yoyo { stroke: var(--coral); }
polyline.pv-line { fill: none; }
.pv-dot-alert { fill: var(--coral); stroke: #fff; stroke-width: 3; }
.pv-slot { fill: #E1E7EC; }
.pv-slot-free { fill: var(--lime); }
.pv-cap {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  fill: var(--muted);
}
.pv-cap-alert { fill: var(--coral-deep); }
.pv-cap-mid { text-anchor: middle; }
.pv-cap-end { text-anchor: end; }
.pv-dot-start { fill: #FFFFFF; stroke: var(--muted); stroke-width: 2.5; }
.pv-cap-free { fill: var(--lime-deep); }
.pv-cap-soft { fill: #96A2AD; font-weight: 500; font-size: 10px; }

/* ============ Мокап чата ============ */
.chat {
  display: grid;
  gap: 8px;
  padding: 16px 14px;
  border-radius: 16px;
  background: var(--dark);
  border: 1px solid var(--line-dark);
}
.chat-day {
  justify-self: center;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--dark-text-soft);
  background: var(--dark-3);
  border-radius: var(--radius-pill);
  padding: 3px 12px;
  margin-bottom: 4px;
}
.chat-msg {
  max-width: 86%;
  font-size: 0.8125rem;
  line-height: 1.5;
  padding: 10px 13px;
  border-radius: 14px;
}
.chat-in {
  justify-self: start;
  background: var(--dark-3);
  color: var(--dark-text);
  border-bottom-left-radius: 5px;
}
.chat-out {
  justify-self: end;
  background: var(--lime);
  color: var(--dark);
  border-bottom-right-radius: 5px;
  font-weight: 500;
}
.chat-report {
  display: grid;
  gap: 5px;
  margin-top: 8px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--dark-2);
  border: 1px solid var(--line-dark);
}
.chat-report-title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dark-text-soft);
}
.chat-report-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--dark-text-soft);
}
.chat-report-row b {
  font-family: var(--font-display);
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

/* ============ График кейса ============ */
.spark {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 300 / 128;
  margin-bottom: 14px;
  overflow: visible;
}
.spark-axis { stroke: var(--line-dark); stroke-width: 1.5; fill: none; }
.spark-plateau { fill: rgba(163, 230, 53, 0.08); stroke: rgba(163, 230, 53, 0.3); stroke-dasharray: 3 4; }
.spark-plateau-cap {
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.02em;
  fill: var(--lime);
}
.spark-line {
  fill: none;
  stroke: var(--lime);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 700;
  stroke-dashoffset: 700;
  transition: stroke-dashoffset 1.8s cubic-bezier(0.32, 0.8, 0.4, 1) 0.2s;
}
.is-visible .spark-line { stroke-dashoffset: 0; }
.spark-up {
  stroke: var(--coral);
  stroke-width: 2.5;
  stroke-linecap: round;
  opacity: 0;
  transition: opacity 0.5s ease 1.5s;
}
.is-visible .spark-up { opacity: 1; }
.spark-start { fill: var(--dark-3); stroke: var(--dark-text-soft); stroke-width: 2; }
.spark-dot { fill: var(--dark); stroke: var(--lime); stroke-width: 2.5; }
.spark-axis-cap {
  font-family: var(--font-body);
  font-size: 8.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  fill: var(--dark-text-soft);
}
.spark-axis-end { text-anchor: end; }

/* ============ Адаптив новых блоков ============ */
@media (max-width: 1024px) {
  .media-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .proof-grid .proof-card:last-child { grid-column: 1 / -1; }
  .ring { width: 148px; height: 148px; }
}

@media (max-width: 767px) {
  .media-strip { padding-bottom: 8px; }
  .media-grid { grid-template-columns: 1fr; gap: 20px; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-card { padding: 22px 18px; }
  .week-day small { font-size: 0.625rem; }
  .hero-trust { gap: 12px; }
  .spark { aspect-ratio: 300 / 150; }
  .spark-axis-cap, .spark-plateau-cap { font-size: 11px; }
  .spark-line, .spark-up { stroke-width: 3; }
}

@media (prefers-reduced-motion: reduce) {
  .wl-fill, .rl-bar i { transform: scaleX(1); }
  .spark-line { stroke-dashoffset: 0; }
  .spark-up { opacity: 1; }
}

/* ============ Таймлайн программы ============ */
.timeline { margin-top: 48px; }
.tl-svg {
  display: block;
  width: 100%;
  height: 96px;
}
.tl-axis { stroke: var(--line-dark); stroke-width: 3; fill: none; stroke-linecap: round; }
.tl-node { fill: var(--dark-3); stroke: var(--line-dark); stroke-width: 2; }
.tl-node-key { fill: var(--coral); stroke: none; }
.tl-node-end { fill: var(--lime); }
.tl-labels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: -28px 0 0;
  padding: 0;
  list-style: none;
}
.tl-label { display: grid; gap: 3px; }
.tl-label b {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  color: #fff;
}
.tl-label span {
  font-size: 0.8125rem;
  color: var(--dark-text-soft);
}
.tl-label-mid { text-align: center; }
.tl-label-end { text-align: right; }
.tl-label-end b { color: var(--lime); }

/* ============ Отзывы: подпись с результатом ============ */
.testimonial figcaption {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "avatar name"
    "avatar result";
  align-items: center;
  gap: 2px 14px;
}
.tm-avatar { grid-area: avatar; }
.tm-name { grid-area: name; align-self: end; }
.tm-result { grid-area: result; align-self: start; }
.tm-avatar {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--coral-soft);
  color: var(--coral-deep);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.375rem;
}
.tm-avatar-alt { background: #F0FADB; color: var(--lime-deep); }
.tm-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
}
.tm-result {
  font-size: 0.875rem;
  color: var(--muted);
}
.tm-result b {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  color: var(--lime-deep);
  margin-right: 4px;
}

/* ============ Тарифы: шкала срока ============ */
.price-term-bar {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 4px;
  margin: 14px 0 18px;
}
.pt-cell {
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--line);
}
.pt-cell.is-on { background: var(--coral); }
.price-card-featured .pt-cell.is-on { background: var(--coral-deep); }

@media (max-width: 1024px) {
  .tl-labels { grid-template-columns: 1fr 1fr; gap: 20px 16px; margin-top: -12px; }
  .tl-label-mid, .tl-label-end { text-align: left; }
  .tl-svg { height: 72px; }
}

@media (max-width: 767px) {
  .tl-svg { height: 60px; }
  .tl-labels { gap: 16px 12px; }
  .testimonial figcaption { gap: 4px 12px; }
  .tm-avatar { width: 46px; height: 46px; font-size: 1.25rem; }
}