/* ===================================================
   Patchio — Онлайн-курсы печворка для начинающих
   styles.css
   =================================================== */

/* ---------- Reset & Base ---------- */

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

:root {
  --cream:       #FAF7F2;
  --cream-dark:  #F2EDE4;
  --cream-card:  #F5F0E8;
  --border:      #E3D9CC;
  --terracotta:  #C26040;
  --terra-dark:  #A84E30;
  --terra-light: #EDD4C8;
  --sage:        #6A8F69;
  --sage-light:  #D6E8D4;
  --dark:        #2D2419;
  --text:        #3C3028;
  --text-muted:  #7A6E67;
  --white:       #FFFFFF;

  --font-serif: Georgia, 'Times New Roman', serif;
  --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  --shadow-sm: 0 1px 3px rgba(60,48,40,0.08);
  --shadow-md: 0 4px 16px rgba(60,48,40,0.10);
  --shadow-lg: 0 8px 32px rgba(60,48,40,0.12);

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

  --container: 1100px;
  --section-gap: 80px;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--cream);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--terracotta);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--terra-dark);
}

ul {
  list-style: none;
}

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

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--dark);
  line-height: 1.25;
  font-weight: normal;
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }

p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

.lead {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- Layout ---------- */

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: var(--section-gap) 0;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 14px;
}

.section-header {
  max-width: 640px;
  margin-bottom: 52px;
}

.section-header .lead {
  margin-top: 14px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

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

.btn-primary {
  background-color: var(--terracotta);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(194,96,64,0.28);
}

.btn-primary:hover {
  background-color: var(--terra-dark);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(194,96,64,0.32);
}

.btn-outline {
  background-color: transparent;
  color: var(--terracotta);
  border: 1.5px solid var(--terracotta);
}

.btn-outline:hover {
  background-color: var(--terra-light);
  color: var(--terra-dark);
}

.btn-sm {
  padding: 10px 22px;
  font-size: 0.9rem;
}

/* ---------- Header & Navigation ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(250,247,242,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--dark);
  letter-spacing: -0.01em;
}

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

.logo-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.nav-cta { margin-left: 8px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 6px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  background-color: var(--cream);
  border-top: 1px solid var(--border);
  padding: 16px 24px 24px;
  gap: 4px;
}

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

.mobile-nav a {
  padding: 10px 0;
  font-size: 1rem;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.mobile-nav a:last-child {
  border-bottom: none;
}

.mobile-nav .btn {
  margin-top: 12px;
  align-self: flex-start;
}

/* ---------- Hero ---------- */

.hero {
  padding: 0;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 580px;
  align-items: stretch;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 72px 56px 72px 0;
}

.hero-content h1 {
  margin-bottom: 20px;
}

.hero-content .lead {
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 16px;
}

.hero-image {
  position: relative;
  overflow: hidden;
}

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

/* ---------- Trust Strip ---------- */

.trust-strip {
  background-color: var(--cream-dark);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.trust-items {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.trust-item-icon {
  font-size: 1.1rem;
}

/* ---------- For Whom ---------- */

.for-whom {
  background-color: var(--cream);
}

.for-whom-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.for-whom-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: box-shadow 0.2s, transform 0.2s;
}

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

.for-whom-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background-color: var(--terra-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.for-whom-card h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--dark);
}

.for-whom-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ---------- How It Works ---------- */

.how-it-works {
  background-color: var(--cream-dark);
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.how-step {
  position: relative;
  text-align: center;
  padding: 32px 20px;
  background-color: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.how-step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--terracotta);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.how-step h3 {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.how-step p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ---------- Outcomes ---------- */

.outcomes {
  background-color: var(--cream);
}

.outcomes-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.outcomes-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.outcomes-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.outcomes-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.outcome-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

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

.outcome-check svg {
  width: 14px;
  height: 14px;
  stroke: var(--sage);
}

.outcome-item h3 {
  font-family: var(--font-sans);
  font-size: 0.975rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--dark);
}

.outcome-item p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ---------- Lead Form ---------- */

.lead-form-section {
  background-color: var(--cream-dark);
}

.form-card {
  max-width: 640px;
  margin: 0 auto;
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: 52px 56px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.form-card .section-header {
  text-align: center;
  margin-bottom: 40px;
  max-width: 100%;
}

.form-card .section-header h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  background-color: var(--cream);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

.form-group input:focus {
  border-color: var(--terracotta);
  box-shadow: 0 0 0 3px rgba(194,96,64,0.12);
  background-color: var(--white);
}

.form-group input.error {
  border-color: #C0392B;
}

.form-error-msg {
  font-size: 0.8rem;
  color: #C0392B;
  margin-top: 5px;
  display: none;
}

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

.form-submit-row {
  margin-top: 28px;
}

.form-submit-row .btn {
  width: 100%;
  padding: 16px;
  font-size: 1.05rem;
}

.form-privacy-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 16px;
}

.form-privacy-note a {
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- FAQ ---------- */

.faq {
  background-color: var(--cream);
}

.faq-list {
  max-width: 740px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.faq-question {
  width: 100%;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font-size: 0.975rem;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  transition: background 0.2s;
  gap: 16px;
}

.faq-question:hover {
  background-color: var(--cream);
}

.faq-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--cream-dark);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.3s;
}

.faq-icon::after {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--terracotta);
  border-bottom: 2px solid var(--terracotta);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.3s;
}

.faq-item.open .faq-icon::after {
  transform: rotate(-135deg) translateY(-2px);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.2s;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

/* ---------- Footer ---------- */

.site-footer {
  background-color: var(--dark);
  color: rgba(250,247,242,0.75);
  padding: 48px 0 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  color: var(--cream);
  margin-bottom: 12px;
}

.footer-brand .logo:hover {
  color: var(--cream);
}

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

.footer-section h4 {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cream);
  margin-bottom: 16px;
}

.footer-section ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-section ul a {
  font-size: 0.875rem;
  color: rgba(250,247,242,0.65);
  transition: color 0.2s;
}

.footer-section ul a:hover {
  color: var(--cream);
}

.footer-bottom {
  border-top: 1px solid rgba(250,247,242,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-legal {
  font-size: 0.78rem;
  color: rgba(250,247,242,0.45);
  line-height: 1.6;
}

.footer-copy {
  font-size: 0.78rem;
  color: rgba(250,247,242,0.45);
}

/* ---------- Cookie Banner ---------- */

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--dark);
  color: var(--cream);
  padding: 18px 24px;
  z-index: 1000;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.18);
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.cookie-banner.visible {
  transform: translateY(0);
}

.cookie-banner-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-banner-text {
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.55;
  color: rgba(250,247,242,0.85);
  min-width: 260px;
}

.cookie-banner-text a {
  color: var(--cream);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-banner-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.cookie-btn-accept {
  background-color: var(--terracotta);
  color: var(--white);
  padding: 9px 22px;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background 0.2s;
}

.cookie-btn-accept:hover {
  background-color: var(--terra-dark);
}

.cookie-btn-decline {
  background-color: transparent;
  color: rgba(250,247,242,0.65);
  padding: 9px 16px;
  border-radius: 6px;
  font-size: 0.875rem;
  transition: color 0.2s;
}

.cookie-btn-decline:hover {
  color: var(--cream);
}

/* ---------- Success Page ---------- */

.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  background-color: var(--cream);
}

.success-card {
  max-width: 520px;
  width: 100%;
  text-align: center;
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.success-icon {
  width: 72px;
  height: 72px;
  background-color: var(--sage-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
}

.success-icon svg {
  width: 34px;
  height: 34px;
  stroke: var(--sage);
}

.success-card h1 {
  font-size: 1.9rem;
  margin-bottom: 16px;
}

.success-card p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.65;
}

.success-card .btn {
  margin-top: 32px;
}

/* ---------- Legal Pages ---------- */

.legal-page {
  padding: 56px 0 80px;
  min-height: 60vh;
}

.legal-page h1 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 8px;
}

.legal-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 44px;
}

.legal-content {
  max-width: 720px;
}

.legal-content h2 {
  font-size: 1.2rem;
  margin-top: 36px;
  margin-bottom: 12px;
  font-family: var(--font-sans);
  font-weight: 700;
}

.legal-content p {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.75;
}

.legal-content ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 1em;
}

.legal-content li {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 4px;
}

/* ---------- Animations ---------- */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  :root { --section-gap: 60px; }

  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero-inner {
    grid-template-columns: 1fr;
    min-height: unset;
  }

  .hero-content {
    padding: 52px 0 36px;
    order: 2;
  }

  .hero-image {
    order: 1;
    height: 300px;
  }

  .hero-image img {
    height: 300px;
  }

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

  .outcomes-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .outcomes-image {
    order: -1;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 640px) {
  :root { --section-gap: 48px; }

  .for-whom-grid {
    grid-template-columns: 1fr;
  }

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

  .form-card {
    padding: 32px 24px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .trust-items {
    gap: 24px;
    justify-content: flex-start;
  }

  .cookie-banner-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}