/* ETS TABOU - public site */

:root {
  --ink: #171412;
  --muted: #706b63;
  --paper: #f4f0e8;
  --soft: #fff8ec;
  --white: #ffffff;
  --line: #e4ded3;
  --red: #e1252c;
  --red-dark: #b9141b;
  --gold: #c89b3c;
  --green: #207a4f;
  --green-soft: #e6f3ed;
  --warning: #9a5b00;
  --radius: 8px;
  --shadow: 0 24px 70px rgba(23, 20, 18, .16);
  --shadow-soft: 0 10px 30px rgba(23, 20, 18, .08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  background: #fbfaf7;
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

html[dir="rtl"] body {
  font-family: "Tajawal", "Inter", system-ui, sans-serif;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

h1,
h2,
h3,
.brand strong,
.btn {
  font-weight: 800;
  line-height: 1.12;
}

h1 {
  font-size: clamp(2.7rem, 7vw, 5.7rem);
  letter-spacing: 0;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: 0;
}

h3 {
  font-size: 1.08rem;
}

p {
  color: var(--muted);
}

.num-ltr,
.phone-ltr,
.email-ltr,
.rate-strip strong,
.price-panel strong,
.total-box strong {
  direction: ltr;
  unicode-bidi: isolate;
  display: inline-block;
  white-space: nowrap;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin-inline: auto;
}

.section {
  padding: 104px 0;
}

.section-muted {
  background: var(--paper);
}

.section-head {
  max-width: 780px;
  margin: 0 auto 42px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: #fff;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 30px;
  height: 2px;
  background: currentColor;
}

.eyebrow.dark {
  color: var(--red);
}

.eyebrow.light {
  color: #ffd9d9;
}

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.nav-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-logo {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: none;
  border-radius: var(--radius);
  background: var(--red);
  color: #fff;
  font-weight: 800;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-size: 1rem;
}

.brand-text small {
  color: var(--muted);
  font-size: .78rem;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
}

.nav-links a {
  text-decoration: none;
  color: #2c2c2c;
  font-size: .93rem;
  font-weight: 700;
}

.nav-links a:hover {
  color: var(--red);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-link {
  min-width: 38px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: .82rem;
  font-weight: 800;
  text-decoration: none;
}

.lang-link.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  border-radius: 2px;
  background: var(--ink);
}

/* Buttons */
.btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 7px;
  padding: 12px 22px;
  cursor: pointer;
  font-family: inherit;
  font-size: .95rem;
  text-decoration: none;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, box-shadow .15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  color: #fff;
  box-shadow: 0 18px 34px rgba(225, 37, 44, .28);
}

.btn-primary:hover {
  background: var(--red-dark);
}

.btn-light {
  background: rgba(255, 255, 255, .94);
  color: var(--ink);
  border-color: rgba(255, 255, 255, .6);
}

.btn-secondary {
  background: var(--ink);
  color: #fff;
}

.btn-lg {
  min-height: 52px;
  padding: 14px 22px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

/* Hero */
.hero {
  min-height: 84svh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 96px 0 118px;
  background: #161616;
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  filter: saturate(1.06) contrast(1.04);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(20, 10, 10, .92) 0%, rgba(20, 10, 10, .72) 42%, rgba(20, 10, 10, .18) 100%),
    linear-gradient(0deg, rgba(0, 0, 0, .35), transparent 48%);
}

html[dir="rtl"] .hero-shade {
  background:
    linear-gradient(270deg, rgba(20, 10, 10, .92) 0%, rgba(20, 10, 10, .72) 42%, rgba(20, 10, 10, .18) 100%),
    linear-gradient(0deg, rgba(0, 0, 0, .35), transparent 48%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - clamp(32px, 7vw, 120px)));
  max-width: 1180px;
  margin-inline: auto;
}

.hero h1 {
  max-width: 760px;
  color: #fff;
}

.hero-lead {
  max-width: 640px;
  margin-top: 20px;
  color: rgba(255, 255, 255, .86);
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-facts span {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  min-height: 40px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 7px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, .12);
  color: rgba(255, 255, 255, .82);
  backdrop-filter: blur(10px);
}

.hero-facts strong {
  color: #fff;
}

.sales-strip {
  position: relative;
  z-index: 2;
  margin-top: -48px;
}

.sales-strip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius);
  background: rgba(23, 20, 18, .94);
  color: #fff;
  box-shadow: var(--shadow);
}

.sales-strip-grid div {
  min-height: 92px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 18px 22px;
  border-inline-end: 1px solid rgba(255, 255, 255, .12);
}

.sales-strip-grid div:last-child {
  border-inline-end: 0;
}

.sales-strip-grid strong {
  font-size: 1.05rem;
}

.sales-strip-grid span {
  color: rgba(255, 255, 255, .72);
  font-weight: 700;
}

/* Product */
.product-grid,
.method-grid,
.delivery-grid,
.order-grid,
.contact-grid,
.manual-hero-grid,
.photo-band-grid,
.video-proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.product-copy p,
.method-copy p,
.delivery-grid p,
.order-copy p,
.contact-grid p,
.manual-hero p,
.photo-band-grid p {
  margin-top: 16px;
  font-size: 1.02rem;
}

.product-points {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.product-points div {
  border-left: 4px solid var(--red);
  padding: 12px 0 12px 16px;
}

html[dir="rtl"] .product-points div {
  border-left: 0;
  border-right: 4px solid var(--red);
  padding: 12px 16px 12px 0;
}

.product-points strong {
  display: block;
  margin-bottom: 2px;
}

.product-points span {
  color: var(--muted);
}

.product-photo,
.method-photo,
.manual-product {
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.product-photo img,
.method-photo img,
.manual-product img {
  width: 100%;
  height: 430px;
  object-fit: cover;
}

.product-label-photo img {
  height: 520px;
  object-fit: contain;
  background: #fff;
}

.product-photo figcaption {
  padding: 12px 14px;
  color: var(--muted);
  font-size: .92rem;
}

/* Visual proof */
.visual-proof-section {
  background: #fff;
}

.visual-grid {
  display: grid;
  grid-template-columns: .85fr 1.3fr .85fr;
  gap: 16px;
  align-items: stretch;
}

.visual-card {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.visual-card.is-large {
  min-height: 430px;
}

.visual-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.visual-card.is-contain {
  background: #151515;
}

.visual-card.is-contain img {
  object-fit: contain;
  background: #151515;
  padding: 8px;
}

.visual-card:hover img {
  transform: scale(1.04);
}

.visual-card::after {
  content: "";
  position: absolute;
  inset: 42% 0 0;
  background: linear-gradient(0deg, rgba(0, 0, 0, .72), transparent);
}

.visual-card figcaption {
  position: absolute;
  inset-inline: 16px;
  bottom: 16px;
  z-index: 1;
  color: #fff;
  font-weight: 800;
  line-height: 1.25;
}

/* Video proof */
.application-video-section {
  background: linear-gradient(180deg, var(--paper), #fff);
}

.video-proof-grid {
  grid-template-columns: .95fr 1.05fr;
}

.video-shell {
  width: min(420px, 100%);
  margin-inline: auto;
  border-radius: var(--radius);
  overflow: hidden;
  background: #111;
  box-shadow: var(--shadow);
  border: 1px solid rgba(23, 20, 18, .14);
}

.video-shell.compact {
  width: min(360px, 100%);
}

.video-shell video {
  display: block;
  width: 100%;
  aspect-ratio: 480 / 848;
  object-fit: cover;
}

.mini-proof-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.mini-proof-list span {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 9px 12px;
  color: var(--ink);
  font-weight: 800;
}

/* Feature cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature-card,
.instruction-card {
  min-height: 220px;
  border: 1px solid rgba(23, 20, 18, .08);
  border-radius: var(--radius);
  padding: 24px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.feature-kicker,
.instruction-card span {
  display: block;
  margin-bottom: 42px;
  color: var(--red);
  font-weight: 800;
}

.feature-card p,
.instruction-card p {
  margin-top: 10px;
  font-size: .95rem;
}

/* Science / objections */
.science-section {
  background: #fff;
}

.science-grid {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 42px;
  align-items: center;
}

.science-grid p {
  margin-top: 16px;
}

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

.science-points div {
  min-height: 170px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border: 1px solid rgba(23, 20, 18, .08);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 18px;
  box-shadow: var(--shadow-soft);
}

.science-points strong {
  color: var(--red);
  font-size: 1.2rem;
}

.science-points span {
  margin-top: 8px;
  color: var(--muted);
}

.faq-section {
  background: #fff;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.faq-grid details {
  border: 1px solid rgba(23, 20, 18, .08);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 18px 20px;
  box-shadow: var(--shadow-soft);
}

.faq-grid summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 800;
}

.faq-grid p {
  margin-top: 12px;
  font-size: .96rem;
}

/* Method */
.steps-list,
.manual-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 26px 0;
}

.steps-list div,
.manual-metrics div,
.rate-strip div,
.price-panel,
.total-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.steps-list div,
.manual-metrics div {
  padding: 18px;
}

.steps-list strong,
.manual-metrics strong {
  display: block;
  color: var(--red);
  font-size: 1.6rem;
  line-height: 1;
}

.steps-list span,
.manual-metrics span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: .92rem;
}

/* Delivery */
.delivery-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.rate-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.rate-strip div {
  min-height: 100px;
  padding: 18px;
  background: var(--soft);
}

.rate-strip span {
  display: block;
  color: var(--muted);
  font-weight: 700;
}

.rate-strip strong {
  display: block;
  margin-top: 10px;
  color: var(--ink);
}

/* Order */
.order-section {
  background:
    linear-gradient(135deg, rgba(23, 20, 18, .96), rgba(55, 21, 20, .98)),
    url("../img/ets-tabou-pigeons-corniche-unsplash.jpg") center / cover;
  color: #fff;
}

.order-copy h2,
.order-copy p {
  color: #fff;
}

.order-copy p {
  color: rgba(255, 255, 255, .78);
}

.price-panel {
  max-width: 340px;
  margin-top: 28px;
  padding: 20px;
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .16);
}

.price-panel span,
.price-panel small {
  display: block;
  color: rgba(255, 255, 255, .72);
}

.price-panel strong {
  display: block;
  margin: 6px 0;
  color: #fff;
  font-size: 2rem;
  line-height: 1;
}

.price-panel em {
  display: inline-flex;
  margin-top: 12px;
  border-radius: var(--radius);
  background: rgba(39, 124, 85, .24);
  color: #c9f5de;
  padding: 7px 10px;
  font-style: normal;
  font-weight: 800;
}

.contact-lines {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.offer-list {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.offer-list li {
  position: relative;
  padding-inline-start: 28px;
  color: rgba(255, 255, 255, .84);
  font-weight: 700;
}

.offer-list li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: inset 0 0 0 4px rgba(255, 255, 255, .75);
}

.contact-lines a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius);
  padding: 8px 12px;
  color: #fff;
  text-decoration: none;
}

.form-panel {
  border-radius: var(--radius);
  background: #fff;
  padding: 30px;
  color: var(--ink);
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group {
  min-width: 0;
  margin-bottom: 16px;
}

.form-group label,
.delivery-choice legend {
  display: block;
  margin-bottom: 7px;
  color: #2a2a2a;
  font-size: .88rem;
  font-weight: 800;
}

.form-group input,
.form-group select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font: inherit;
  padding: 10px 12px;
  outline: none;
}

.form-group select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 20px, calc(100% - 12px) 20px;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-inline-end: 34px;
}

html[dir="rtl"] .form-group select {
  background-position: 18px 20px, 12px 20px;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(216, 36, 42, .12);
}

.form-group input[type="tel"] {
  direction: ltr;
  text-align: left;
}

.form-group select:disabled {
  background-color: #f3f0ea;
  color: #9a938a;
}

.is-invalid {
  border-color: var(--red) !important;
}

.error-msg {
  display: block;
  min-height: 18px;
  margin-top: 4px;
  color: var(--red);
  font-size: .8rem;
}

.delivery-choice {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 0 0 16px;
  border: 0;
}

.delivery-choice legend {
  grid-column: 1 / -1;
}

.delivery-choice label {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px;
  cursor: pointer;
  font-weight: 700;
}

.delivery-choice input {
  accent-color: var(--red);
}

.qty {
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.qty button,
.qty input {
  min-height: 46px;
  border: 0;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.qty button {
  cursor: pointer;
  background: var(--paper);
  font-size: 1.2rem;
}

.qty input {
  text-align: center;
  font-weight: 800;
}

.total-box {
  padding: 16px;
  margin-bottom: 16px;
  background: var(--paper);
}

.total-box div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  color: var(--muted);
}

.total-box strong {
  color: var(--ink);
  text-align: end;
}

.total-line {
  border-top: 1px solid var(--line);
  margin-top: 4px;
  padding-top: 12px !important;
  font-size: 1.06rem;
}

.total-line strong {
  color: var(--red);
  font-size: 1.25rem;
}

.delivery-note,
.form-note {
  margin-top: 8px;
  font-size: .86rem;
}

.delivery-note.is-warning {
  color: var(--warning);
}

.trap {
  display: none;
}

.form-success {
  text-align: center;
  padding: 42px 12px;
}

.success-mark {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--green-soft);
  color: var(--green);
  font-weight: 800;
}

.form-success p {
  margin: 10px auto 22px;
  max-width: 420px;
}

/* Contact and footer */
.contact-section {
  background: var(--paper);
}

.contact-list {
  display: grid;
  gap: 12px;
}

.contact-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: #fff;
  text-decoration: none;
}

.contact-list span {
  color: var(--muted);
  font-weight: 700;
}

.contact-list strong {
  text-align: end;
  word-break: break-word;
}

.footer {
  background: #111;
  color: rgba(255, 255, 255, .72);
  padding: 24px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-size: .9rem;
}

.footer a {
  margin-inline-start: 16px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

/* Manual page */
.notice-hero {
  background:
    linear-gradient(135deg, rgba(23, 20, 18, .96), rgba(61, 22, 21, .94)),
    url("../img/ets-tabou-application-toiture-poster.jpg") center / cover;
  color: #fff;
  padding: 76px 0 58px;
}

.notice-hero-grid {
  display: grid;
  grid-template-columns: 1fr minmax(320px, 460px);
  gap: 42px;
  align-items: center;
}

.notice-intro h1 {
  color: #fff;
  max-width: 760px;
}

.notice-intro p {
  max-width: 650px;
  margin-top: 18px;
  color: rgba(255, 255, 255, .8);
  font-size: 1.08rem;
}

.notice-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.notice-measure-card {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .08);
  box-shadow: var(--shadow);
}

.notice-measure-card img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  background: #151515;
}

.notice-measure-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255, 255, 255, .16);
}

.notice-measure-grid div {
  padding: 14px 12px;
  border-inline-end: 1px solid rgba(255, 255, 255, .12);
}

.notice-measure-grid div:last-child {
  border-inline-end: 0;
}

.notice-measure-grid strong {
  display: block;
  color: #fff;
  font-size: 1.15rem;
}

.notice-measure-grid span {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, .7);
  font-size: .84rem;
}

.notice-prepare,
.notice-surfaces,
.notice-errors {
  background: #fff;
}

.prepare-grid,
.surface-proof-grid,
.notice-steps {
  display: grid;
  gap: 16px;
}

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

.prepare-grid article {
  min-height: 210px;
  border: 1px solid rgba(23, 20, 18, .08);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 24px;
  box-shadow: var(--shadow-soft);
}

.prepare-grid span {
  display: block;
  margin-bottom: 34px;
  color: var(--red);
  font-weight: 800;
}

.prepare-grid p {
  margin-top: 10px;
}

.notice-steps-section,
.notice-video {
  background: linear-gradient(180deg, var(--paper), #fff);
}

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

.notice-steps article {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 16px;
  min-height: 160px;
  border: 1px solid rgba(23, 20, 18, .08);
  border-radius: var(--radius);
  background: #fff;
  padding: 22px;
  box-shadow: var(--shadow-soft);
}

.step-index {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  font-weight: 800;
}

.notice-steps p {
  margin-top: 8px;
}

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

.surface-proof-grid figure {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  border-radius: var(--radius);
  background: #151515;
  box-shadow: var(--shadow-soft);
}

.surface-proof-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.surface-proof-grid figure:nth-child(3) img {
  object-fit: contain;
  padding: 8px;
  background: #151515;
}

.surface-proof-grid figcaption {
  position: absolute;
  inset-inline: 16px;
  bottom: 16px;
  color: #fff;
  font-weight: 800;
  z-index: 1;
}

.surface-proof-grid figure::after {
  content: "";
  position: absolute;
  inset: 46% 0 0;
  background: linear-gradient(0deg, rgba(0, 0, 0, .72), transparent);
}

.notice-help {
  background: #fff;
}

.help-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(23, 20, 18, .96), rgba(61, 22, 21, .94));
  color: #fff;
  padding: 30px;
  box-shadow: var(--shadow);
}

.help-panel h2,
.help-panel p {
  color: #fff;
}

.help-panel p {
  color: rgba(255, 255, 255, .78);
  margin-top: 10px;
}

.help-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.manual-hero {
  padding: 72px 0 46px;
  background: var(--paper);
}

.manual-hero h1 {
  max-width: 760px;
}

.manual-product img {
  height: 360px;
}

.manual-metrics {
  margin: 0 0 24px;
}

.instruction-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.good-panel,
.bad-panel {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  padding: 24px;
}

.good-panel {
  border-top: 4px solid var(--green);
}

.bad-panel {
  border-top: 4px solid var(--red);
}

.good-panel ul,
.bad-panel ul {
  display: grid;
  gap: 10px;
  margin-top: 10px;
  padding-inline-start: 20px;
  color: var(--muted);
}

.manual-photo-band {
  background: #fff;
}

.photo-band-grid img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  border-radius: var(--radius);
}

.photo-band-grid .btn {
  margin-top: 22px;
}

@media (max-width: 1040px) {
  .nav-links {
    gap: 14px;
  }

  .feature-grid,
  .instruction-grid,
  .prepare-grid,
  .surface-proof-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 820px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.9rem;
  }

  .section {
    padding: 62px 0;
  }

  .nav-links {
    position: fixed;
    inset: 74px 0 auto 0;
    display: grid;
    justify-items: stretch;
    gap: 0;
    padding: 10px 16px 18px;
    border-bottom: 1px solid var(--line);
    background: #fff;
    transform: translateY(-140%);
    transition: transform .2s ease;
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .nav-links a {
    min-height: 44px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--line);
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    min-height: 82vh;
    padding: 70px 0 72px;
  }

  .hero-content {
    width: min(1180px, calc(100% - 32px));
  }

  .hero-media {
    object-position: 58% center;
  }

  .hero-lead {
    font-size: 1.02rem;
  }

  .product-grid,
  .method-grid,
  .delivery-grid,
  .order-grid,
  .contact-grid,
  .manual-hero-grid,
  .notice-hero-grid,
  .photo-band-grid,
  .video-proof-grid,
  .science-grid,
  .compare-grid,
  .help-panel {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .sales-strip {
    margin-top: 0;
    background: var(--ink);
  }

  .sales-strip-grid {
    grid-template-columns: 1fr;
    border-radius: 0;
    width: 100%;
    border-inline: 0;
  }

  .sales-strip-grid div {
    min-height: 72px;
    border-inline-end: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
  }

  .product-label-photo img {
    height: 440px;
  }

  .visual-grid {
    grid-template-columns: 1fr;
  }

  .visual-card,
  .visual-card.is-large {
    min-height: 280px;
  }

  .science-points,
  .faq-grid,
  .prepare-grid,
  .notice-steps,
  .surface-proof-grid {
    grid-template-columns: 1fr;
  }

  .notice-hero {
    padding: 54px 0 42px;
  }

  .notice-measure-card img {
    max-height: 360px;
  }

  .help-actions {
    justify-content: flex-start;
  }

  .product-photo img,
  .method-photo img,
  .manual-product img,
  .photo-band-grid img {
    height: 300px;
  }

  .steps-list,
  .manual-metrics,
  .rate-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 15px;
  }

  h1 {
    font-size: 2.15rem;
  }

  h2 {
    font-size: 1.65rem;
  }

  .container {
    width: min(100% - 24px, 1180px);
  }

  .hero-content {
    width: min(100% - 24px, 1180px);
  }

  .brand-text small {
    display: none;
  }

  .hero-actions,
  .hero-actions .btn,
  .contact-lines,
  .contact-lines a {
    width: 100%;
  }

  .hero-actions .btn,
  .contact-lines a {
    justify-content: center;
  }

  .hero-facts {
    display: grid;
  }

  .feature-grid,
  .instruction-grid,
  .notice-measure-grid,
  .form-row,
  .delivery-choice {
    grid-template-columns: 1fr;
  }

  .notice-steps article {
    grid-template-columns: 46px 1fr;
    padding: 18px;
  }

  .step-index {
    width: 46px;
    height: 46px;
  }

  .surface-proof-grid figure {
    min-height: 300px;
  }

  .help-actions,
  .help-actions .btn {
    width: 100%;
  }

  .form-panel {
    padding: 18px;
  }

  .product-label-photo img {
    height: 360px;
  }

  .contact-list a,
  .total-box div {
    align-items: flex-start;
    flex-direction: column;
  }

  .contact-list strong,
  .total-box strong {
    text-align: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}