/* =========================================================
   Domeri — онлайн-курсы пошива домашнего костюма
   Styles: pure CSS, no framework
   ========================================================= */

/* ── Tokens ── */
:root {
  --c-bg:         #F7F3EE;
  --c-bg-alt:     #EFEAE3;
  --c-card:       #FFFFFF;
  --c-text:       #2B1F14;
  --c-text-soft:  #6B5A4A;
  --c-primary:    #B5705F;
  --c-primary-dk: #9A5C4C;
  --c-accent:     #7A9B84;
  --c-accent-dk:  #5F8168;
  --c-border:     #DDD5CA;
  --c-input-bg:   #FAF7F4;

  --ff-body: system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --ff-serif: Georgia, "Times New Roman", serif;

  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 3px rgba(43,31,20,0.08);
  --shadow-md: 0 4px 16px rgba(43,31,20,0.10);
  --shadow-lg: 0 8px 32px rgba(43,31,20,0.12);

  --max-width: 1100px;
  --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--ff-body);
  font-weight: var(--fw-normal);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ── Layout helpers ── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section {
  padding-block: var(--space-xl);
}

.section-alt {
  background: var(--c-bg-alt);
}

/* ── Typography ── */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-primary);
  margin-bottom: var(--space-xs);
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.18; font-weight: var(--fw-bold); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); line-height: 1.22; font-weight: var(--fw-bold); }
h3 { font-size: 1.2rem; font-weight: var(--fw-semibold); line-height: 1.3; }
h4 { font-size: 1rem; font-weight: var(--fw-semibold); }
p  { line-height: 1.7; }

.section-heading {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}

.section-heading p {
  margin-top: 0.75rem;
  color: var(--c-text-soft);
  font-size: 1.05rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: var(--fw-semibold);
  font-family: var(--ff-body);
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
  text-align: center;
  line-height: 1;
}

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

.btn-primary {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
}
.btn-primary:hover {
  background: var(--c-primary-dk);
  border-color: var(--c-primary-dk);
}

.btn-outline {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-primary);
}
.btn-outline:hover {
  background: var(--c-primary);
  color: #fff;
}

.btn-accent {
  background: var(--c-accent);
  color: #fff;
  border-color: var(--c-accent);
}
.btn-accent:hover {
  background: var(--c-accent-dk);
  border-color: var(--c-accent-dk);
}

.btn-lg {
  padding: 1rem 2.4rem;
  font-size: 1.05rem;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247,243,238,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 1.5rem;
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
  color: var(--c-text);
}

.logo span { color: var(--c-primary); }

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.site-nav a {
  font-size: 0.9rem;
  font-weight: var(--fw-medium);
  color: var(--c-text-soft);
  transition: color var(--transition);
}

.site-nav a:hover { color: var(--c-primary); }

.nav-cta {
  padding: 0.5rem 1.2rem;
  font-size: 0.9rem;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ── Hero ── */
.hero {
  padding-block: 0;
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  padding-block: var(--space-xl);
}

.hero-content { max-width: 520px; }

.hero-label {
  margin-bottom: var(--space-sm);
}

.hero-title {
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--c-text-soft);
  margin-bottom: var(--space-lg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.hero-note {
  font-size: 0.85rem;
  color: var(--c-text-soft);
}

.hero-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  box-shadow: var(--shadow-lg);
}

.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(6px);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.2rem;
  font-size: 0.85rem;
  font-weight: var(--fw-medium);
  color: var(--c-text);
  box-shadow: var(--shadow-sm);
  max-width: 200px;
  line-height: 1.5;
}

.hero-badge strong {
  display: block;
  color: var(--c-primary);
  font-size: 1.1rem;
}

/* ── Benefits ── */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.benefit-card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

.benefit-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.benefit-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #F0EDE9;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.4rem;
}

.benefit-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

.benefit-card p {
  font-size: 0.9rem;
  color: var(--c-text-soft);
}

/* ── Format ── */
.format-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.format-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 5/4;
  box-shadow: var(--shadow-md);
}

.format-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.format-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.format-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.format-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--c-primary);
  color: #fff;
  font-size: 0.85rem;
  font-weight: var(--fw-bold);
  display: flex;
  align-items: center;
  justify-content: center;
}

.format-item-content h4 {
  margin-bottom: 0.25rem;
}

.format-item-content p {
  font-size: 0.9rem;
  color: var(--c-text-soft);
}

/* ── Curriculum ── */
.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.module-card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.module-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--c-primary);
}

.module-num {
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-primary);
  margin-bottom: 0.5rem;
}

.module-card h3 {
  margin-bottom: 0.75rem;
}

.module-card ul {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.module-card li {
  font-size: 0.9rem;
  color: var(--c-text-soft);
  padding-left: 1rem;
  position: relative;
}

.module-card li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--c-accent);
}

/* ── Materials ── */
.materials-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.materials-content { order: 1; }
.materials-image  { order: 2; }

.materials-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-md);
}

.materials-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.materials-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.tag {
  display: inline-block;
  padding: 0.35rem 0.8rem;
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--c-text-soft);
}

/* ── Results ── */
.results-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.results-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  box-shadow: var(--shadow-md);
}

.results-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.results-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.result-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.result-check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--c-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.result-check svg {
  width: 14px;
  height: 14px;
  stroke: #fff;
  stroke-width: 2.5;
  fill: none;
}

.result-item p {
  font-size: 0.95rem;
}

/* ── FAQ ── */
.faq-list {
  max-width: 720px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.25rem 1.5rem;
  font-family: var(--ff-body);
  font-size: 1rem;
  font-weight: var(--fw-semibold);
  color: var(--c-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: background var(--transition);
}

.faq-question:hover { background: var(--c-bg-alt); }

.faq-arrow {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--c-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition), background var(--transition);
}

.faq-arrow svg {
  width: 12px;
  height: 12px;
  stroke: var(--c-text-soft);
  stroke-width: 2.5;
  fill: none;
  transition: stroke var(--transition);
}

.faq-item.open .faq-arrow {
  transform: rotate(180deg);
  background: var(--c-primary);
}
.faq-item.open .faq-arrow svg { stroke: #fff; }

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  font-size: 0.95rem;
  color: var(--c-text-soft);
}

.faq-item.open .faq-answer { display: block; }

/* ── Lead Form ── */
.lead-form-section {
  background: var(--c-primary);
  padding-block: var(--space-xl);
}

.lead-form-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.lead-form-content h2 {
  color: #fff;
  margin-bottom: 1rem;
}

.lead-form-content p {
  color: rgba(255,255,255,0.8);
  font-size: 1.05rem;
}

.lead-form-content .detail-list {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.lead-form-content .detail-list li {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  padding-left: 1.2rem;
  position: relative;
}

.lead-form-content .detail-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: rgba(255,255,255,0.6);
}

.lead-form-box {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.lead-form-box h3 {
  margin-bottom: 1.5rem;
  color: var(--c-text);
  font-size: 1.2rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: var(--fw-medium);
  color: var(--c-text-soft);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--c-input-bg);
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-family: var(--ff-body);
  font-size: 0.95rem;
  color: var(--c-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(181,112,95,0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #B0A095;
}

.form-consent {
  font-size: 0.8rem;
  color: #999;
  margin-top: 0.75rem;
  line-height: 1.5;
}

.form-consent a {
  color: var(--c-primary);
  text-decoration: underline;
}

.form-submit {
  width: 100%;
  margin-top: 0.5rem;
}

.form-error {
  display: none;
  color: #c0392b;
  font-size: 0.8rem;
  margin-top: 0.3rem;
}

.form-group.has-error input,
.form-group.has-error select {
  border-color: #c0392b;
}

.form-group.has-error .form-error { display: block; }

/* ── CTA Strip ── */
.cta-strip {
  background: var(--c-accent);
  padding: 3rem 0;
  text-align: center;
}

.cta-strip h2 {
  color: #fff;
  margin-bottom: 0.75rem;
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.cta-strip p {
  color: rgba(255,255,255,0.85);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.cta-strip .btn {
  background: #fff;
  color: var(--c-accent-dk);
  border-color: #fff;
}

.cta-strip .btn:hover {
  background: rgba(255,255,255,0.9);
}

/* ── Footer ── */
.site-footer {
  background: var(--c-text);
  color: rgba(255,255,255,0.7);
  padding: 3rem 0 2rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: 2rem;
}

.footer-brand .logo {
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  display: block;
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.6;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.85rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col li a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer-col li a:hover { color: rgba(255,255,255,0.9); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-legal {
  font-size: 0.8rem;
  line-height: 1.7;
}

.footer-copy {
  font-size: 0.8rem;
  text-align: right;
}

/* ── Cookie Banner ── */
.cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 3rem);
  max-width: 640px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  justify-content: space-between;
}

.cookie-banner.hidden { display: none; }

.cookie-text {
  font-size: 0.875rem;
  color: var(--c-text-soft);
  line-height: 1.55;
}

.cookie-text a {
  color: var(--c-primary);
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.cookie-actions .btn {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  white-space: nowrap;
}

/* ── Legal pages ── */
.legal-page {
  max-width: 760px;
  margin-inline: auto;
  padding: 3rem 1.5rem 5rem;
}

.legal-page h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.legal-date {
  font-size: 0.85rem;
  color: var(--c-text-soft);
  margin-bottom: 2.5rem;
  display: block;
}

.legal-page h2 {
  font-size: 1.2rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.legal-page p, .legal-page li {
  font-size: 0.95rem;
  color: var(--c-text-soft);
  margin-bottom: 0.75rem;
  line-height: 1.7;
}

.legal-page ul {
  list-style: disc;
  padding-left: 1.5rem;
}

.legal-page a {
  color: var(--c-primary);
  text-decoration: underline;
}

/* ── Success page ── */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.success-box {
  max-width: 520px;
}

.success-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--c-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
}

.success-box h1 {
  margin-bottom: 1rem;
  font-size: 2rem;
}

.success-box p {
  color: var(--c-text-soft);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

/* ── Mobile nav ── */
@media (max-width: 768px) {
  .site-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0; right: 0;
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    gap: 1.25rem;
    box-shadow: var(--shadow-md);
  }

  .site-nav.open { display: flex; }

  .site-nav a {
    font-size: 1rem;
  }

  .burger { display: flex; }

  .burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .burger.open span:nth-child(2) { opacity: 0; }
  .burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content { max-width: 100%; }

  .hero-actions { justify-content: center; }

  .hero-image-wrap {
    aspect-ratio: 16/9;
    max-width: 520px;
    margin-inline: auto;
  }

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

  .format-inner,
  .materials-inner,
  .results-inner,
  .lead-form-inner {
    grid-template-columns: 1fr;
  }

  .materials-content { order: 2; }
  .materials-image  { order: 1; }

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

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .benefits-grid,
  .curriculum-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .cookie-banner {
    flex-direction: column;
  }

  .footer-bottom {
    flex-direction: column;
  }
  .footer-copy { text-align: left; }
}