/* ============================================
   Индор — Premium Service Aesthetic
   Палитра: тёплый бежевый + графит + приглушённый акцент
   Типографика: Playfair Display (заголовки) + Manrope (текст)
   ============================================ */

/* ---------- ПЕРЕМЕННЫЕ ---------- */
:root {
  /* Палитра */
  --color-cream: #F5F1EB;
  --color-cream-2: #EDE7DE;
  --color-graphite: #2B2B2B;
  --color-graphite-2: #1E1E1E;
  --color-graphite-3: #383838;
  --color-white: #FFFFFF;
  --color-sand: #E8E0D5;

  --color-text-dark: #2B2B2B;
  --color-text-dark-2: #5C5C5C;
  --color-text-dark-3: #8A8A8A;
  --color-text-light: #F5F1EB;
  --color-text-light-2: #B5AFA5;
  --color-text-light-3: #8A8A8A;

  --color-accent: #8B7355;
  --color-accent-hover: #6B5A45;
  --color-accent-soft: rgba(139, 115, 85, 0.1);

  --color-border-light: #DDD6CC;
  --color-border-dark: rgba(245, 241, 235, 0.1);

  /* Типографика */
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.375rem;
  --fs-2xl: 1.75rem;
  --fs-3xl: 2.25rem;
  --fs-4xl: 3rem;
  --fs-5xl: 3.75rem;

  /* Отступы */
  --container-max: 1180px;
  --container-pad: 1.5rem;
  --radius: 4px;
  --radius-lg: 8px;

  /* Тени */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.08);

  --transition: 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

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

body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--color-text-dark);
  background: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

/* ---------- Фокус-состояния ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- КОНТЕЙНЕР ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ---------- HEADER ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(245, 241, 235, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-light);
  transition: background var(--transition), border-color var(--transition);
}

.header.scrolled {
  background: rgba(245, 241, 235, 0.98);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo__text {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-text-dark);
}

.logo__img {
  height: 32px;
  width: auto;
  display: block;
}

.logo__img--footer {
  height: 32px;
  margin-bottom: 12px;
}

/* ---------- NAV ---------- */
.nav {
  display: none;
  align-items: center;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: var(--fs-sm);
  font-weight: 400;
  color: var(--color-text-dark-2);
  transition: color var(--transition);
  letter-spacing: 0.01em;
}

.nav__link:hover {
  color: var(--color-text-dark);
}

.nav__link--cta {
  padding: 10px 22px;
  background: var(--color-graphite);
  color: var(--color-text-light);
  border-radius: var(--radius);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background var(--transition);
}

.nav__link--cta:hover {
  background: var(--color-graphite-2);
  color: var(--color-text-light);
}

/* ---------- BURGER ---------- */
.burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.burger__line {
  width: 22px;
  height: 1.5px;
  background: var(--color-text-dark);
  border-radius: 2px;
  transition: var(--transition);
}

.burger.active .burger__line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.burger.active .burger__line:nth-child(2) {
  opacity: 0;
}

.burger.active .burger__line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ---------- OVERLAY ---------- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(43, 43, 43, 0.4);
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  transition: var(--transition);
  text-align: center;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-graphite);
  color: var(--color-text-light);
}

.btn--primary:hover {
  background: var(--color-graphite-2);
  transform: translateY(-1px);
}

.btn--primary:active {
  transform: translateY(0);
}

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

/* ---------- SECTIONS ---------- */
.section {
  padding: 4rem 0;
}

.section--cream {
  background: var(--color-cream);
  color: var(--color-text-dark);
  position: relative;
  overflow: hidden;
}

.section--graphite {
  background: var(--color-graphite);
  color: var(--color-text-light);
  position: relative;
  overflow: hidden;
}

.section__header {
  margin-bottom: 3rem;
}

.section__header--left {
  text-align: left;
  max-width: 720px;
}

.section__eyebrow {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.section__eyebrow--light {
  color: var(--color-text-light-2);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  color: var(--color-text-dark);
}

.section__title--light {
  color: var(--color-text-light);
}

.section__lead {
  font-size: var(--fs-lg);
  line-height: 1.7;
  color: var(--color-text-dark-2);
  max-width: 640px;
}

.section__lead--light {
  color: var(--color-text-light-2);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--color-cream);
  overflow: hidden;
}

.hero__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  width: 100%;
  margin-top: -56px;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 520px;
  flex-shrink: 0;
}

.hero__visual {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.hero__product-img {
  max-width: 143%;
  max-height: 121vh;
  width: auto;
  height: auto;
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast;
  filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.15));
}

.hero__eyebrow {
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-text-dark-3);
  margin-bottom: 24px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text-dark);
  margin-bottom: 24px;
}

.hero__subtitle {
  font-size: var(--fs-lg);
  line-height: 1.7;
  color: var(--color-text-dark-2);
  margin-bottom: 32px;
  max-width: 540px;
}

.hero .btn--primary {
  background: var(--color-graphite);
  color: var(--color-text-light);
}

.hero .btn--primary:hover {
  background: var(--color-graphite-2);
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: var(--color-text-dark-3);
  opacity: 0.6;
  transition: opacity var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(43, 43, 43, 0.2);
  border-radius: 50%;
}

.hero__scroll:hover {
  opacity: 1;
}

/* ---------- FORM SECTION ---------- */
.form-section__inner {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.form-section__inner--dark {
  align-items: flex-start;
}

.form-section__intro {
  max-width: 520px;
}

/* ---------- FORM ---------- */
.form {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  max-width: 460px;
  width: 100%;
}

.form--dark {
  background: var(--color-graphite-3);
  border-color: var(--color-border-dark);
}

.form__group {
  margin-bottom: 1.25rem;
}

.form__label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--color-text-dark-2);
}

.form__label--light {
  color: var(--color-text-light-2);
}

.form__input,
.form__select {
  width: 100%;
  padding: 14px 16px;
  font-size: var(--fs-base);
  font-family: inherit;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  background: var(--color-cream);
  color: var(--color-text-dark);
  transition: var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.form__input--dark {
  background: var(--color-graphite-2);
  border-color: var(--color-border-dark);
  color: var(--color-text-light);
}

.form__input--dark::placeholder {
  color: var(--color-text-light-3);
}

.form__select--dark {
  background: var(--color-graphite-2);
  border-color: var(--color-border-dark);
  color: var(--color-text-light);
}

.form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%235C5C5C' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form__select--dark {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%23B5AFA5' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.form__input:focus,
.form__select:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-white);
}

.form__input--dark:focus,
.form__select--dark:focus {
  background: var(--color-graphite-2);
  border-color: var(--color-accent);
}

.form__input::placeholder {
  color: var(--color-text-dark-3);
}

.form__error {
  display: none;
  font-size: var(--fs-xs);
  color: #C05050;
  margin-top: 6px;
}

.form__group.has-error .form__input,
.form__group.has-error .form__select {
  border-color: #C05050;
}

.form__group.has-error .form__error {
  display: block;
}

.form__disclaimer {
  font-size: var(--fs-xs);
  color: var(--color-text-dark-3);
  margin-top: 16px;
  text-align: center;
  line-height: 1.5;
}

.form__disclaimer--light {
  color: var(--color-text-light-3);
}

/* Form success */
.form--success {
  text-align: center;
  padding: 3rem 2rem;
}

.form__success-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  border: 1.5px solid var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form__success-title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 500;
  margin-bottom: 8px;
}

.form__success-text {
  font-size: var(--fs-sm);
  color: var(--color-text-dark-2);
}

.form--dark .form__success-title {
  color: var(--color-text-light);
}

.form--dark .form__success-text {
  color: var(--color-text-light-2);
}

/* Form bullets */
.form-bullets {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 24px;
}

.form-bullets__item {
  font-size: var(--fs-sm);
  color: var(--color-text-light-2);
  padding-left: 20px;
  position: relative;
}

.form-bullets__item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--color-accent);
}

/* ---------- VALUES ---------- */
.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.value-card {
  padding: 0;
}

.value-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.value-card__divider {
  width: 40px;
  height: 1px;
  background: var(--color-accent);
  margin-bottom: 20px;
}

.value-card__text {
  font-size: var(--fs-base);
  line-height: 1.8;
  color: var(--color-text-light-2);
}

/* ---------- AUDIENCE ---------- */
.audience-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.audience-item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  grid-column-gap: 3rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--color-border-light);
}

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

.audience-item__title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-text-dark);
  margin-bottom: 12px;
}

.audience-item__text {
  font-size: var(--fs-base);
  line-height: 1.8;
  color: var(--color-text-dark-2);
  max-width: 640px;
}

.audience-item__check {
  grid-column: 2;
  grid-row: 1 / 3;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  justify-self: end;
  align-self: center;
  margin-left: 2rem;
}

.audience-item__check svg {
  width: 96px;
  height: 96px;
  display: block;
}

/* ---------- SERVICE LIST ---------- */
.service-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.service-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--color-border-dark);
}

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

.service-item__num {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 400;
  color: var(--color-accent);
  flex-shrink: 0;
  min-width: 48px;
  line-height: 1.3;
}

.service-item__body {
  flex: 1;
}

.service-item__title {
  font-family: var(--font-sans);
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.service-item__text {
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--color-text-light-2);
}

/* ---------- CALCULATOR ---------- */
.calc {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.calc__left {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.calc__header {
  margin-bottom: 0;
}

.calc__inputs {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.calc__field {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.calc__label {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-dark-2);
}

.calc__slider-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.calc__slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--color-border-light);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.calc__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--color-accent);
  border-radius: 50%;
  cursor: pointer;
  border: 3px solid var(--color-cream);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
  transition: background var(--transition);
}

.calc__slider::-webkit-slider-thumb:hover {
  background: var(--color-accent-hover);
}

.calc__slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--color-accent);
  border-radius: 50%;
  cursor: pointer;
  border: 3px solid var(--color-cream);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
  transition: background var(--transition);
}

.calc__slider::-moz-range-thumb:hover {
  background: var(--color-accent-hover);
}

.calc__slider-value {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 500;
  color: var(--color-text-dark);
  min-width: 90px;
  text-align: right;
  flex-shrink: 0;
}

.calc__toggle {
  display: flex;
  gap: 0;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  overflow: hidden;
}

.calc__toggle-btn {
  flex: 1;
  padding: 14px 16px;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-dark-2);
  background: var(--color-white);
  transition: background var(--transition), color var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  border-right: 1px solid var(--color-border-light);
}

.calc__toggle-btn:last-child {
  border-right: none;
}

.calc__toggle-btn.active {
  background: var(--color-graphite);
  color: var(--color-text-light);
}

.calc__toggle-hint {
  font-size: var(--fs-xs);
  font-weight: 400;
  opacity: 0.7;
  letter-spacing: 0.02em;
}

.calc__results {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.calc__hero-result {
  text-align: center;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--color-border-light);
}

.calc__hero-label {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.calc__hero-number {
  font-family: var(--font-display);
  font-size: var(--fs-4xl);
  font-weight: 600;
  line-height: 1.1;
  color: var(--color-text-dark);
  letter-spacing: -0.02em;
}

.calc__secondary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.calc__secondary-item {
  text-align: center;
}

.calc__secondary-label {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-dark-3);
  margin-bottom: 8px;
}

.calc__secondary-value {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 500;
  color: var(--color-text-dark);
}

.calc__details {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border-light);
}

.calc__detail {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: var(--fs-sm);
}

.calc__detail-label {
  color: var(--color-text-dark-3);
}

.calc__detail-value {
  font-weight: 600;
  color: var(--color-text-dark-2);
}

.calc__cta {
  margin-top: 0.5rem;
  align-self: center;
}

.calc__footnote {
  font-size: var(--fs-xs);
  color: var(--color-text-dark-3);
  line-height: 1.6;
  text-align: center;
  max-width: 480px;
  margin: 0 auto;
}

/* ---------- FACTS / TRUST ---------- */
.facts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.fact-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  transition: var(--transition);
}

.fact-card:hover {
  box-shadow: var(--shadow-md);
}

.fact-card__label {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.fact-card__value {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 500;
  color: var(--color-text-dark);
  margin-bottom: 12px;
  line-height: 1.3;
}

.fact-card__desc {
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--color-text-dark-2);
}

/* ---------- PRODUCT SECTION ---------- */
.product-subblock {
  margin-top: 4rem;
}

.product-subblock__header {
  margin-bottom: 2rem;
  max-width: 720px;
}

.product-subblock__title {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 500;
  line-height: 1.25;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

/* Detection cards */
.detect-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.detect-card {
  background: var(--color-graphite-3);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  text-align: center;
  transition: var(--transition);
}

.detect-card:hover {
  border-color: var(--color-accent);
}

.detect-card__icon {
  color: var(--color-accent);
  margin-bottom: 16px;
  display: flex;
  justify-content: center;
}

.detect-card__title {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--color-text-light);
  letter-spacing: 0.01em;
}

/* Privacy note under detection grid */
.detect-note {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border-dark);
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--color-text-light-2);
  max-width: 720px;
}

.detect-note strong {
  color: var(--color-text-light);
  font-weight: 600;
}

/* Notification cards */
.notify-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.notify-card {
  background: var(--color-graphite-3);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: var(--transition);
}

.notify-card:hover {
  border-color: var(--color-accent);
}

.notify-card__icon {
  color: var(--color-accent);
  flex-shrink: 0;
}

.notify-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 500;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.notify-card__text {
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--color-text-light-2);
}

/* Feature cards */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.feature-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.feature-card__divider {
  width: 40px;
  height: 1px;
  background: var(--color-accent);
  margin-bottom: 16px;
}

.feature-card__text {
  font-size: var(--fs-base);
  line-height: 1.8;
  color: var(--color-text-light-2);
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--color-graphite-2);
  padding: 3.5rem 0 1.5rem;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.footer__brand {
  max-width: 320px;
}

.logo__text--footer {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 500;
  color: var(--color-text-light);
  display: block;
  margin-bottom: 12px;
}

.footer__desc {
  font-size: var(--fs-sm);
  color: var(--color-text-light-2);
  line-height: 1.6;
}

.footer__cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.footer__heading {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__link {
  font-size: var(--fs-sm);
  color: var(--color-text-light-2);
  transition: color var(--transition);
}

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

.footer__socials {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.footer__social {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius);
  color: var(--color-text-light-2);
  font-size: var(--fs-xs);
  font-weight: 600;
  transition: var(--transition);
}

.footer__social:hover {
  color: var(--color-text-light);
  border-color: var(--color-accent);
}

.footer__bottom {
  border-top: 1px solid var(--color-border-dark);
  padding-top: 1.5rem;
}

.footer__copy {
  font-size: var(--fs-xs);
  color: var(--color-text-light-3);
}

/* ---------- ANIMATIONS ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ---------- RESPONSIVE: TABLET ---------- */
@media (min-width: 640px) {
  .section {
    padding: 5rem 0;
  }

  .hero__title {
    font-size: 3rem;
  }

  .section__title {
    font-size: var(--fs-4xl);
  }

  .values-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }

  .detect-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

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

  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }

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

  .footer__cols {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .calc {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
  }

  .calc__results {
    padding: 3rem 2.5rem;
  }

  .calc__hero-number {
    font-size: var(--fs-5xl);
  }

  .form {
    padding: 3rem;
  }

  .form-section__inner {
    flex-direction: row;
    align-items: flex-start;
    gap: 4rem;
  }

  .form-section__intro {
    flex: 1;
  }

  .form {
    flex-shrink: 0;
  }
}

/* ---------- RESPONSIVE: DESKTOP ---------- */
@media (min-width: 1024px) {
  .section {
    padding: 6rem 0;
  }

  .hero__title {
    font-size: 3.5rem;
  }

  .section__title {
    font-size: var(--fs-4xl);
  }

  .nav {
    display: flex;
  }

  .burger {
    display: none;
  }

  .facts-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .footer__inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
  }

  .footer__cols {
    flex: 1;
    max-width: 500px;
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__bottom {
    flex-basis: 100%;
  }
}

/* ---------- RESPONSIVE: LARGE DESKTOP ---------- */
@media (min-width: 1280px) {
  .hero__title {
    font-size: 3.75rem;
  }
}

/* ---------- SCROLL PROGRESS BAR ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
  z-index: 200;
  width: 0%;
  transition: width 0.1s linear;
}

/* ---------- HERO ENTRANCE ---------- */
.hero__eyebrow,
.hero__title,
.hero__subtitle,
.hero .btn {
  opacity: 0;
  transform: translateY(30px);
  animation: heroFadeUp 0.8s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

.hero__eyebrow { animation-delay: 0.1s; }
.hero__title   { animation-delay: 0.25s; }
.hero__subtitle { animation-delay: 0.45s; }
.hero .btn     { animation-delay: 0.6s; }

@keyframes heroFadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- HERO IMAGE FLOAT + PARALLAX ---------- */
.hero__visual {
  opacity: 0;
  animation: heroImgFade 1s ease 0.3s forwards;
}

@keyframes heroImgFade {
  to { opacity: 1; }
}

.hero__product-img {
  animation: float 6s ease-in-out infinite;
}

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

/* ---------- DECORATIVE BACKGROUND ORBS ---------- */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}

.orb--accent {
  background: var(--color-accent);
}

.orb--graphite {
  background: var(--color-graphite-3);
}

.orb--1 {
  width: 400px;
  height: 400px;
  top: -100px;
  right: -100px;
  animation: orbFloat1 12s ease-in-out infinite;
}

.orb--2 {
  width: 300px;
  height: 300px;
  bottom: -80px;
  left: -80px;
  animation: orbFloat2 14s ease-in-out infinite;
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-30px, 40px); }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(40px, -30px); }
}

/* ---------- BUTTON SHINE ---------- */
.btn--primary {
  position: relative;
  overflow: hidden;
}

.btn--primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transition: left 0.6s ease;
}

.btn--primary:hover::after {
  left: 100%;
}

/* ---------- NAV LINK UNDERLINE ---------- */
.nav__link {
  position: relative;
}

.nav__link:not(.nav__link--cta)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav__link:not(.nav__link--cta):hover::after {
  width: 100%;
}

/* ---------- CARD HOVER EFFECTS ---------- */
.detect-card,
.notify-card,
.fact-card {
  position: relative;
  overflow: hidden;
}

.detect-card::before,
.notify-card::before,
.fact-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(139, 115, 85, 0.08), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.detect-card:hover::before,
.notify-card:hover::before,
.fact-card:hover::before {
  opacity: 1;
}

.detect-card:hover,
.notify-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.fact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.detect-card__icon {
  transition: transform 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.detect-card:hover .detect-card__icon {
  transform: scale(1.15) rotate(-5deg);
}

/* ---------- STAGGERED FADE-IN ---------- */
.detect-grid .fade-in:nth-child(1),
.notify-grid .fade-in:nth-child(1),
.facts-grid .fade-in:nth-child(1),
.values-grid .fade-in:nth-child(1),
.feature-grid .fade-in:nth-child(1) { transition-delay: 0s; }

.detect-grid .fade-in:nth-child(2),
.notify-grid .fade-in:nth-child(2),
.facts-grid .fade-in:nth-child(2),
.values-grid .fade-in:nth-child(2),
.feature-grid .fade-in:nth-child(2) { transition-delay: 0.1s; }

.detect-grid .fade-in:nth-child(3),
.notify-grid .fade-in:nth-child(3),
.facts-grid .fade-in:nth-child(3),
.values-grid .fade-in:nth-child(3),
.feature-grid .fade-in:nth-child(3) { transition-delay: 0.2s; }

.detect-grid .fade-in:nth-child(4),
.facts-grid .fade-in:nth-child(4),
.feature-grid .fade-in:nth-child(4) { transition-delay: 0.3s; }

.detect-grid .fade-in:nth-child(5),
.feature-grid .fade-in:nth-child(5) { transition-delay: 0.4s; }

.detect-grid .fade-in:nth-child(6) { transition-delay: 0.5s; }

/* ---------- AUDIENCE CHECK DRAW ANIMATION ---------- */
.audience-item__check svg circle,
.audience-item__check svg path {
  stroke-dasharray: 150;
  stroke-dashoffset: 150;
  transition: stroke-dashoffset 1s ease;
}

.audience-item__check.visible svg circle {
  stroke-dashoffset: 0;
}

.audience-item__check.visible svg path {
  stroke-dashoffset: 0;
  transition-delay: 0.4s;
}

/* ---------- CALCULATOR NUMBER PULSE ---------- */
.calc__hero-number,
.calc__secondary-value {
  transition: transform 0.3s ease;
}

.calc__hero-number.pulse,
.calc__secondary-value.pulse {
  animation: numberPulse 0.4s ease;
}

@keyframes numberPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.06); }
  100% { transform: scale(1); }
}

/* ---------- SCROLL INDICATOR BOUNCE ---------- */
.hero__scroll {
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ---------- SECTION HEADER SLIDE-IN ---------- */
.section__header .section__eyebrow,
.section__header .section__title,
.section__header .section__lead {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.section__header.visible .section__eyebrow { opacity: 1; transform: translateX(0); transition-delay: 0s; }
.section__header.visible .section__title { opacity: 1; transform: translateX(0); transition-delay: 0.15s; }
.section__header.visible .section__lead { opacity: 1; transform: translateX(0); transition-delay: 0.3s; }

/* ---------- FOOTER SOCIAL HOVER ---------- */
.footer__social {
  transition: transform var(--transition), color var(--transition), border-color var(--transition);
}

.footer__social:hover {
  transform: translateY(-3px) scale(1.1);
}

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }
}

/* ---------- MOBILE FIXES ---------- */
@media (max-width: 639px) {
  .audience-item {
    grid-template-columns: 1fr;
    grid-column-gap: 0;
  }

  .audience-item__check {
    grid-column: 1;
    grid-row: 2;
    justify-self: start;
    margin-left: 0;
    margin-top: 1rem;
  }

  .audience-item__check svg {
    width: 56px;
    height: 56px;
  }

  .hero__inner {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }

  .hero__content {
    max-width: 100%;
  }

  .hero__visual {
    width: 100%;
  }

  .hero__product-img {
    max-height: 40vh;
  }

  .calc__slider::-webkit-slider-thumb {
    width: 28px;
    height: 28px;
  }

  .calc__slider::-moz-range-thumb {
    width: 28px;
    height: 28px;
  }

  .calc__slider-value {
    font-size: var(--fs-base);
    min-width: 80px;
  }

  .calc__toggle-btn {
    padding: 12px 8px;
    font-size: var(--fs-xs);
  }

  .calc__toggle-hint {
    font-size: 0.625rem;
  }

  .calc__hero-number {
    font-size: var(--fs-3xl);
  }

  .calc__secondary {
    gap: 1rem;
  }

  .calc__secondary-value {
    font-size: var(--fs-lg);
  }

  .calc__results {
    padding: 2rem 1.5rem;
  }
}

/* ---------- MOBILE NAV ---------- */
@media (max-width: 1023px) {
  .nav {
    position: fixed;
    top: 72px;
    right: 0;
    width: 300px;
    height: calc(100vh - 72px);
    background: var(--color-cream);
    border-left: 1px solid var(--color-border-light);
    padding: 2rem 1.5rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 95;
    display: block;
  }

  .nav.active {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .nav__link {
    font-size: var(--fs-base);
  }

  .nav__link--cta {
    display: inline-block;
    margin-top: 12px;
  }
}