/* ============================================================
   XRILTEK — INK & PAPER DESIGN SYSTEM
   ============================================================ */


:root {
  
  --color-paper: #F5F0E8;
  --color-paper-dark: #EDE7D9;
  --color-paper-mid: #E8E0D0;
  --color-ink: #1A1612;
  --color-ink-soft: #2E2820;
  --color-ink-muted: #5C5347;
  --color-ink-light: #8A7F72;
  --color-accent: #8B4513;
  --color-accent-warm: #A0522D;
  --color-accent-light: #C4845A;
  --color-accent-pale: #F0DFD0;
  --color-rule: #C8BEB0;
  --color-rule-light: #DDD6CA;
  --color-white: #FDFAF5;
  --color-dark-bg: #1A1612;
  --color-dark-bg-2: #231E18;

  
  --font-body: 'Inter', system-ui, sans-serif;
  --font-heading: 'Inter', system-ui, sans-serif;

  
  --text-xs: clamp(0.75rem, 1.5vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 1.8vw, 0.9375rem);
  --text-base: clamp(1rem, 2vw, 1.0625rem);
  --text-md: clamp(1.0625rem, 2.2vw, 1.1875rem);
  --text-lg: clamp(1.25rem, 2.5vw, 1.5rem);
  --text-xl: clamp(1.5rem, 3vw, 2rem);
  --text-2xl: clamp(2rem, 4vw, 2.75rem);
  --text-3xl: clamp(2.5rem, 5vw, 3.5rem);
  --text-hero: clamp(2.75rem, 6vw, 4.25rem);

  
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;
  --sp-32: 8rem;

  
  --radius-sm: 2px;
  --radius-md: 6px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  
  --shadow-xs: 0 1px 2px rgba(26,22,18,0.06), 0 1px 1px rgba(26,22,18,0.04);
  --shadow-sm: 0 2px 4px rgba(26,22,18,0.08), 0 1px 2px rgba(26,22,18,0.05);
  --shadow-md: 0 4px 12px rgba(26,22,18,0.10), 0 2px 4px rgba(26,22,18,0.06);
  --shadow-lg: 0 8px 24px rgba(26,22,18,0.12), 0 3px 8px rgba(26,22,18,0.07), 0 1px 2px rgba(26,22,18,0.04);
  --shadow-xl: 0 16px 48px rgba(26,22,18,0.15), 0 6px 16px rgba(26,22,18,0.08), 0 2px 4px rgba(26,22,18,0.04);
  --shadow-accent: 0 4px 20px rgba(139,69,19,0.18), 0 1px 4px rgba(139,69,19,0.12);

  
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  
  --header-h: 72px;
}


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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-ink);
  background-color: var(--color-paper);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--transition-base); }
ul, ol { list-style: none; }
address { font-style: normal; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }


.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--sp-3);
}
.section-heading {
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-ink);
  letter-spacing: -0.02em;
}
.body-text {
  font-size: var(--text-md);
  color: var(--color-ink-muted);
  line-height: 1.75;
  max-width: 52ch;
}
.body-text.wider { max-width: 68ch; }
.hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--sp-4);
  display: block;
}


.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
}


.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: var(--sp-4) var(--sp-8);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
  min-height: 48px;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary {
  background-color: var(--color-ink);
  color: var(--color-paper);
  box-shadow: var(--shadow-md);
}
.btn-primary:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-accent);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border: 1.5px solid var(--color-rule);
}
.btn-ghost:hover {
  border-color: var(--color-ink);
  background: var(--color-paper-dark);
}
.btn-ghost-dark {
  background: transparent;
  color: var(--color-paper);
  border: 1.5px solid rgba(245,240,232,0.3);
}
.btn-ghost-dark:hover {
  border-color: var(--color-paper);
  background: rgba(245,240,232,0.1);
}
.btn-outline {
  background: transparent;
  color: var(--color-ink);
  border: 1.5px solid var(--color-ink);
}
.btn-outline:hover {
  background: var(--color-ink);
  color: var(--color-paper);
}
.btn-light {
  background: var(--color-paper);
  color: var(--color-ink);
  box-shadow: var(--shadow-md);
}
.btn-light:hover {
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}
.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(245,240,232,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-rule-light);
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}
.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}
.logo-link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
}
.logo-img { width: 32px; height: 32px; }
.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-ink);
}
.main-nav { display: none; }
.nav-list { display: flex; align-items: center; gap: var(--sp-1); }
.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink-muted);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: var(--color-ink);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px; left: var(--sp-4); right: var(--sp-4);
  height: 1.5px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-3);
  min-width: 44px; min-height: 44px;
  justify-content: center;
  align-items: center;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-ink);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26,22,18,0.5);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}
.mobile-nav-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-nav-panel {
  position: absolute;
  top: 0; right: 0;
  width: min(320px, 90vw);
  height: 100%;
  background: var(--color-paper);
  padding: var(--sp-8) var(--sp-6);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
}
.mobile-nav-overlay.open .mobile-nav-panel {
  transform: translateX(0);
}
.mobile-nav-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  font-size: 1.25rem;
  color: var(--color-ink-muted);
  margin-bottom: var(--sp-8);
  margin-left: auto;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}
.mobile-nav-close:hover { color: var(--color-ink); background: var(--color-paper-dark); }
.mobile-nav-list { display: flex; flex-direction: column; gap: var(--sp-2); }
.mobile-nav-link {
  display: block;
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-ink-muted);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}
.mobile-nav-link:hover {
  color: var(--color-ink);
  background: var(--color-paper-dark);
  padding-left: var(--sp-6);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 100svh;
  padding-top: var(--header-h);
}
.hero-image-side {
  position: relative;
  overflow: hidden;
  min-height: 50vw;
  max-height: 60vh;
}
.hero-img-wrap {
  width: 100%; height: 100%;
  overflow: hidden;
}
.hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}
.hero-img-wrap:hover .hero-img { transform: scale(1.04); }
.hero-img-label {
  position: absolute;
  bottom: var(--sp-5);
  left: var(--sp-6);
  background: rgba(26,22,18,0.75);
  color: var(--color-paper);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(4px);
}
.hero-content-side {
  display: flex;
  align-items: center;
  background: var(--color-paper);
  padding: var(--sp-16) var(--sp-6);
}
.hero-content { max-width: 560px; }
.hero-heading {
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin-bottom: var(--sp-6);
}
.hero-heading em {
  font-style: italic;
  color: var(--color-accent);
}
.hero-desc {
  font-size: var(--text-md);
  color: var(--color-ink-muted);
  line-height: 1.7;
  margin-bottom: var(--sp-8);
  max-width: 46ch;
}
.hero-actions { display: flex; gap: var(--sp-4); flex-wrap: wrap; }

/* ============================================================
   PROBLEM SECTION — seamless flow
   ============================================================ */
.problem-section {
  padding: var(--sp-20) 0 var(--sp-24);
  background: var(--color-paper);
}
.problem-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-12);
}
.problem-text-col h2 { margin-bottom: var(--sp-6); }
.problem-text-col p + p { margin-top: var(--sp-4); }
.problem-lead {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1.5;
  margin-bottom: var(--sp-5);
  max-width: 52ch;
}
.problem-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background: var(--color-white);
}
.problem-card-img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}
.problem-card-caption {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-6);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: 1.5;
  border-top: 1px solid var(--color-rule-light);
}
.problem-card-caption i { color: var(--color-accent); margin-top: 2px; flex-shrink: 0; }

/* ============================================================
   BENEFITS SECTION
   ============================================================ */
.benefits-section {
  padding: var(--sp-20) 0;
  background: var(--color-paper-dark);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
}
.benefits-header {
  margin-bottom: var(--sp-12);
}
.benefits-header .section-heading { margin-top: var(--sp-2); }
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
}
.benefit-item {
  display: flex;
  gap: var(--sp-5);
  padding: var(--sp-6);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-rule-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}
.benefit-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--color-rule);
}
.benefit-icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-accent);
  font-size: 1.2rem;
  margin-top: 2px;
}
.benefit-title {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: var(--sp-2);
  letter-spacing: -0.01em;
}
.benefit-text {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: 1.65;
}

/* ============================================================
   COURSES PREVIEW — SWIPER
   ============================================================ */
.courses-preview-section {
  padding: var(--sp-20) 0 var(--sp-24);
  background: var(--color-paper);
}
.courses-preview-header {
  margin-bottom: var(--sp-12);
}
.section-sub {
  font-size: var(--text-md);
  color: var(--color-ink-muted);
  margin-top: var(--sp-4);
  max-width: 52ch;
}
.courses-swiper {
  padding-bottom: var(--sp-12) !important;
}
.course-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-rule-light);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  height: auto;
}
.course-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-3px);
}
.course-card-img-wrap {
  overflow: hidden;
  height: 200px;
}
.course-card-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.course-card:hover .course-card-img { transform: scale(1.05); }
.course-card-body { padding: var(--sp-6); }
.course-tag {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--sp-3);
}
.course-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: var(--sp-3);
  letter-spacing: -0.01em;
}
.course-desc {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: 1.65;
  margin-bottom: var(--sp-5);
}
.course-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  transition: gap var(--transition-base);
}
.course-link:hover { gap: var(--sp-3); }


.courses-pagination .swiper-pagination-bullet {
  background: var(--color-rule);
  opacity: 1;
  width: 8px; height: 8px;
  transition: all var(--transition-base);
}
.courses-pagination .swiper-pagination-bullet-active {
  background: var(--color-accent);
  width: 24px;
  border-radius: var(--radius-full);
}
.courses-btn-prev, .courses-btn-next {
  color: var(--color-ink) !important;
  width: 40px !important; height: 40px !important;
  background: var(--color-white);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}
.courses-btn-prev:hover, .courses-btn-next:hover {
  background: var(--color-ink);
  color: var(--color-paper) !important;
}
.courses-btn-prev::after, .courses-btn-next::after {
  font-size: 14px !important;
  font-weight: 700;
}

/* ============================================================
   APPROACH SECTION
   ============================================================ */
.approach-section {
  padding: var(--sp-20) 0;
  background: var(--color-paper-mid);
}
.approach-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-12);
  align-items: center;
}
.approach-img-stack { position: relative; }
.approach-img-main {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  object-fit: cover;
  max-height: 480px;
}
.approach-img-accent {
  position: absolute;
  bottom: -var(--sp-6);
  right: -var(--sp-6);
  width: 45%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 4px solid var(--color-paper);
}
.approach-img-small { width: 100%; height: 160px; object-fit: cover; }
.approach-text-col .section-heading { margin: var(--sp-3) 0 var(--sp-6); }
.approach-text-col .body-text + .body-text { margin-top: var(--sp-4); }
.approach-text-col .btn { margin-top: var(--sp-8); }

/* ============================================================
   TECH TEASER
   ============================================================ */
.tech-teaser-section {
  padding: var(--sp-20) 0;
  background: var(--color-dark-bg);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
}
.tech-teaser-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-12);
  align-items: center;
}
.section-heading.light { color: var(--color-paper); }
.body-text.light { color: rgba(245,240,232,0.7); }
.section-label.light { color: var(--color-accent-light); }
.tech-teaser-content .section-heading { margin: var(--sp-3) 0 var(--sp-6); }
.tech-teaser-content .body-text { margin-bottom: var(--sp-8); }
.tech-img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  object-fit: cover;
  max-height: 400px;
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  padding: var(--sp-20) 0;
  background: var(--color-dark-bg-2);
}
.cta-inner {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.cta-heading {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-paper);
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-4);
}
.cta-sub {
  font-size: var(--text-md);
  color: rgba(245,240,232,0.65);
  margin-bottom: var(--sp-8);
  line-height: 1.65;
}
.cta-actions { display: flex; gap: var(--sp-4); justify-content: center; flex-wrap: wrap; }

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero-section {
  padding: calc(var(--header-h) + var(--sp-16)) 0 var(--sp-16);
  background: var(--color-paper);
}
.page-hero-section--narrow {
  padding-bottom: var(--sp-12);
}
.page-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-10);
  align-items: center;
}
.page-hero-heading {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-ink);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--sp-5);
}
.page-hero-desc {
  font-size: var(--text-md);
  color: var(--color-ink-muted);
  line-height: 1.7;
  max-width: 52ch;
}
.page-hero-desc--centered { max-width: 58ch; }
.page-hero-text--centered { text-align: center; max-width: 700px; margin: 0 auto; }
.page-hero-text--centered .page-hero-desc { margin: 0 auto; }
.page-hero-image {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  object-fit: cover;
  max-height: 420px;
}

/* ============================================================
   PRINCIPLES PAGE
   ============================================================ */
.principles-section {
  padding: var(--sp-16) 0 var(--sp-20);
  background: var(--color-paper);
}
.principles-intro { margin-bottom: var(--sp-16); }
.principles-intro h2 { margin-bottom: var(--sp-5); }
.principles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
}
.principle-card {
  padding: var(--sp-8);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-rule-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.principle-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 0;
  background: var(--color-accent);
  transition: height var(--transition-slow);
}
.principle-card:hover::before { height: 100%; }
.principle-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.principle-number {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-rule);
  line-height: 1;
  margin-bottom: var(--sp-4);
  letter-spacing: -0.04em;
}
.principle-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: var(--sp-3);
}
.principle-text {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: 1.7;
}


.mission-section {
  padding: var(--sp-16) 0;
  background: var(--color-ink);
}
.mission-quote-block {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.mission-quote {
  font-size: var(--text-xl);
  font-weight: 400;
  font-style: italic;
  color: var(--color-paper);
  line-height: 1.55;
  margin-bottom: var(--sp-5);
}
.mission-quote-source {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-light);
}


.for-whom-section {
  padding: var(--sp-20) 0;
  background: var(--color-paper-dark);
}
.for-whom-header { margin-bottom: var(--sp-12); }
.for-whom-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
}
.for-whom-item {
  padding: var(--sp-8);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-rule-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}
.for-whom-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.for-whom-icon {
  width: 48px; height: 48px;
  background: var(--color-accent-pale);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-accent);
  font-size: 1.25rem;
  margin-bottom: var(--sp-5);
}
.for-whom-item h3 {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: var(--sp-3);
}
.for-whom-item p {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: 1.65;
}

/* ============================================================
   COURSES FULL PAGE
   ============================================================ */
.courses-full-section {
  padding: var(--sp-12) 0 var(--sp-20);
  background: var(--color-paper);
}
.course-full-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-10);
  align-items: start;
  padding: var(--sp-12) 0;
  border-bottom: 1px solid var(--color-rule-light);
}
.course-full-item:last-child { border-bottom: none; }
.course-full-img-col { position: relative; }
.course-full-img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  object-fit: cover;
  max-height: 320px;
}
.course-full-tag {
  position: absolute;
  top: var(--sp-4); left: var(--sp-4);
  background: var(--color-ink);
  color: var(--color-paper);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-sm);
}
.course-full-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-ink);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: var(--sp-5);
}
.course-full-desc {
  font-size: var(--text-md);
  color: var(--color-ink-muted);
  line-height: 1.7;
  margin-bottom: var(--sp-6);
  max-width: 52ch;
}
.course-modules { margin-bottom: var(--sp-8); }
.course-modules-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-ink);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-4);
}
.course-modules-list { display: flex; flex-direction: column; gap: var(--sp-3); }
.course-modules-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: 1.5;
}
.course-modules-list li i {
  color: var(--color-accent);
  margin-top: 3px;
  flex-shrink: 0;
  font-size: 0.75rem;
}

/* ============================================================
   TECH SPECIALISTS PAGE
   ============================================================ */
.tech-intro-section {
  padding: var(--sp-12) 0 var(--sp-16);
  background: var(--color-paper);
}
.tech-modules-section {
  padding: var(--sp-16) 0 var(--sp-20);
  background: var(--color-paper-dark);
}
.tech-modules-header { margin-bottom: var(--sp-12); }
.tech-modules-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-5);
}
.tech-module-card {
  padding: var(--sp-5);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-rule-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}
.tech-module-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.tech-module-icon {
  width: 44px; height: 44px;
  background: var(--color-accent-pale);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-accent);
  font-size: 1.1rem;
  margin-bottom: var(--sp-4);
}
.tech-module-title {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: var(--sp-3);
  letter-spacing: -0.01em;
}
.tech-module-text {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: 1.65;
}
.tech-tools-section {
  padding: var(--sp-16) 0 var(--sp-20);
  background: var(--color-paper);
}
.tech-tools-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-12);
  align-items: center;
}
.tech-tools-text-col .section-heading { margin: var(--sp-3) 0 var(--sp-6); }
.tech-tools-text-col .body-text + .body-text { margin-top: var(--sp-4); }
.tech-tools-text-col .btn { margin-top: var(--sp-8); }
.tech-tools-img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  object-fit: cover;
  max-height: 400px;
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-section {
  padding: var(--sp-12) 0 var(--sp-20);
  background: var(--color-paper);
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-12);
}
.contact-info-col .section-heading { margin-bottom: var(--sp-8); }
.contact-info-items { display: flex; flex-direction: column; gap: var(--sp-6); }
.contact-info-item {
  display: flex;
  gap: var(--sp-5);
  align-items: flex-start;
}
.contact-info-icon {
  width: 44px; height: 44px;
  background: var(--color-accent-pale);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-accent);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-info-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-light);
  margin-bottom: var(--sp-1);
}
.contact-info-text {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: 1.65;
}
.contact-info-text a { color: var(--color-ink); font-weight: 500; }
.contact-info-text a:hover { color: var(--color-accent); }


.contact-form-col .section-heading { margin-bottom: var(--sp-8); }
.contact-form { display: flex; flex-direction: column; gap: var(--sp-5); }
.form-group { display: flex; flex-direction: column; gap: var(--sp-2); }
.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: 0.01em;
}
.form-input, .form-textarea {
  width: 100%;
  padding: var(--sp-4) var(--sp-5);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-ink);
  background: var(--color-white);
  border: 1.5px solid var(--color-rule);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  outline: none;
  min-height: 48px;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(139,69,19,0.1);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--color-ink-light); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-group--checkbox { flex-direction: row; align-items: flex-start; gap: var(--sp-3); }
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  cursor: pointer;
}
.checkbox-label input[type="checkbox"] { display: none; }
.checkbox-custom {
  width: 20px; height: 20px;
  border: 1.5px solid var(--color-rule);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  flex-shrink: 0;
  margin-top: 2px;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-base);
}
.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
  content: '';
  width: 5px; height: 9px;
  border: 2px solid var(--color-white);
  border-top: none; border-left: none;
  transform: rotate(45deg) translate(-1px, -1px);
  display: block;
}
.checkbox-text {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: 1.5;
}
.checkbox-text a { color: var(--color-accent); font-weight: 500; }
.checkbox-text a:hover { text-decoration: underline; }
.form-error {
  padding: var(--sp-3) var(--sp-4);
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: #B91C1C;
}


.map-section {
  padding: 0 0 var(--sp-20);
  background: var(--color-paper);
}
.map-wrapper {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-rule-light);
}

/* ============================================================
   THANKS PAGE
   ============================================================ */
.thanks-main { min-height: calc(100vh - var(--header-h) - 200px); }
.thanks-section {
  padding: calc(var(--header-h) + var(--sp-20)) 0 var(--sp-20);
  background: var(--color-paper);
}
.thanks-inner {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}
.thanks-icon {
  font-size: 3.5rem;
  color: var(--color-accent);
  margin-bottom: var(--sp-6);
}
.thanks-heading {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-ink);
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-5);
}
.thanks-text {
  font-size: var(--text-md);
  color: var(--color-ink-muted);
  line-height: 1.7;
  margin-bottom: var(--sp-4);
}
.thanks-text a { color: var(--color-accent); font-weight: 500; }
.thanks-actions {
  display: flex;
  gap: var(--sp-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--sp-8);
}

/* ============================================================
   LEGAL PAGES
   ============================================================ */
.legal-section {
  padding: calc(var(--header-h) + var(--sp-12)) 0 var(--sp-20);
  background: var(--color-paper);
}
.legal-inner { max-width: 760px; }
.legal-header { margin-bottom: var(--sp-10); padding-bottom: var(--sp-6); border-bottom: 1px solid var(--color-rule); }
.legal-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-ink);
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-3);
}
.legal-date {
  font-size: var(--text-sm);
  color: var(--color-ink-light);
}
.legal-content h2 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-ink);
  margin: var(--sp-8) 0 var(--sp-4);
  padding-top: var(--sp-4);
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content p {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: 1.75;
  margin-bottom: var(--sp-4);
}
.legal-content a { color: var(--color-accent); font-weight: 500; }
.legal-content a:hover { text-decoration: underline; }
.legal-content code {
  font-family: monospace;
  font-size: 0.875em;
  background: var(--color-paper-dark);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--color-ink);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-ink);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-10);
  padding-top: var(--sp-16);
  padding-bottom: var(--sp-12);
}
.footer-brand .logo-text { color: var(--color-paper); }
.logo-img--light { filter: brightness(0) invert(1); }
.footer-tagline {
  font-size: var(--text-sm);
  color: rgba(245,240,232,0.5);
  line-height: 1.5;
  margin-top: var(--sp-4);
}
.footer-col-title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(245,240,232,0.4);
  margin-bottom: var(--sp-4);
}
.footer-nav-list { display: flex; flex-direction: column; gap: var(--sp-3); }
.footer-nav-list a {
  font-size: var(--text-sm);
  color: rgba(245,240,232,0.65);
  transition: color var(--transition-base);
}
.footer-nav-list a:hover { color: var(--color-paper); }
.footer-address p {
  font-size: var(--text-sm);
  color: rgba(245,240,232,0.65);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
  line-height: 1.5;
}
.footer-address i { color: var(--color-accent-light); margin-top: 2px; flex-shrink: 0; }
.footer-address a { color: rgba(245,240,232,0.65); transition: color var(--transition-base); }
.footer-address a:hover { color: var(--color-paper); }
.footer-bottom {
  border-top: 1px solid rgba(245,240,232,0.1);
  padding: var(--sp-5) 0;
}
.footer-bottom .container {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  align-items: center;
  text-align: center;
}
.footer-bottom p {
  font-size: var(--text-xs);
  color: rgba(245,240,232,0.35);
}

/* ============================================================
   COOKIE CONSENT BANNER
   ============================================================ */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 9999;
  background: var(--color-ink);
  border-top: 1px solid rgba(245,240,232,0.15);
  padding: var(--sp-6);
  box-shadow: 0 -8px 32px rgba(26,22,18,0.3);
  transform: translateY(100%);
  transition: transform 0.4s ease;
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-banner-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}
.cookie-banner-text p {
  font-size: var(--text-sm);
  color: rgba(245,240,232,0.75);
  line-height: 1.6;
}
.cookie-banner-text a { color: var(--color-accent-light); text-decoration: underline; }
.cookie-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}
.cookie-btn {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  min-height: 44px;
  border: none;
}
.cookie-btn-accept {
  background: var(--color-accent);
  color: var(--color-white);
}
.cookie-btn-accept:hover { background: var(--color-accent-warm); }
.cookie-btn-reject {
  background: transparent;
  color: rgba(245,240,232,0.7);
  border: 1.5px solid rgba(245,240,232,0.25);
}
.cookie-btn-reject:hover {
  color: var(--color-paper);
  border-color: rgba(245,240,232,0.5);
}
.cookie-btn-customize {
  background: transparent;
  color: rgba(245,240,232,0.7);
  border: 1.5px solid rgba(245,240,232,0.25);
}
.cookie-btn-customize:hover {
  color: var(--color-paper);
  border-color: rgba(245,240,232,0.5);
}


.cookie-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26,22,18,0.7);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-5);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}
.cookie-modal-overlay.visible {
  opacity: 1;
  pointer-events: all;
}
.cookie-modal {
  background: var(--color-paper);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}
.cookie-modal-title {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-ink);
  margin-bottom: var(--sp-5);
}
.cookie-category {
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--color-rule-light);
}
.cookie-category:last-of-type { border-bottom: none; }
.cookie-category-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-2);
}
.cookie-category-name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-ink);
}
.cookie-category-desc {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  line-height: 1.55;
}
.cookie-toggle {
  position: relative;
  width: 44px; height: 24px;
  flex-shrink: 0;
}
.cookie-toggle input { opacity: 0; width: 0; height: 0; }
.cookie-toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--color-rule);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-base);
}
.cookie-toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 3px; top: 3px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-xs);
}
.cookie-toggle input:checked + .cookie-toggle-slider { background: var(--color-accent); }
.cookie-toggle input:checked + .cookie-toggle-slider::before { transform: translateX(20px); }
.cookie-toggle input:disabled + .cookie-toggle-slider { background: var(--color-accent); opacity: 0.6; cursor: not-allowed; }
.cookie-modal-actions {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
  flex-wrap: wrap;
}

/* ============================================================
   RESPONSIVE — TABLET (640px+)
   ============================================================ */
@media (min-width: 640px) {
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .principles-grid { grid-template-columns: repeat(2, 1fr); }
  .for-whom-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-modules-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom .container { flex-direction: row; justify-content: space-between; }
  .cookie-banner-inner { flex-direction: row; align-items: center; justify-content: space-between; }
  .cookie-banner-text { flex: 1; }
}

/* ============================================================
   RESPONSIVE — DESKTOP (1024px+)
   ============================================================ */
@media (min-width: 1024px) {
  .main-nav { display: block; }
  .hamburger { display: none; }

  
  .hero-section {
    grid-template-columns: 55% 45%;
    min-height: 100svh;
  }
  .hero-image-side { min-height: 100%; max-height: none; }
  .hero-content-side { padding: var(--sp-24) var(--sp-16); }

  
  .problem-inner { grid-template-columns: 60% 40%; gap: var(--sp-16); }

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

  
  .approach-inner { grid-template-columns: 45% 55%; gap: var(--sp-16); }
  .approach-img-accent { display: block; bottom: -24px; right: -24px; }

  
  .tech-teaser-inner { grid-template-columns: 55% 45%; }

  
  .page-hero-inner { grid-template-columns: 55% 45%; }

  
  .principles-grid { grid-template-columns: repeat(2, 1fr); }
  .for-whom-grid { grid-template-columns: repeat(4, 1fr); }

  
  .course-full-item { grid-template-columns: 45% 55%; }
  .course-full-item--reverse .course-full-img-col { order: 2; }
  .course-full-item--reverse .course-full-content-col { order: 1; }

  
  .tech-modules-grid { grid-template-columns: repeat(3, 1fr); }
  .tech-tools-inner { grid-template-columns: 55% 45%; }

  
  .contact-inner { grid-template-columns: 38% 58%; gap: var(--sp-16); }

  
  .footer-inner { grid-template-columns: 2fr 1.5fr 1.5fr 1.5fr; }
}

/* ============================================================
   RESPONSIVE — LARGE (1280px+)
   ============================================================ */
@media (min-width: 1280px) {
  .hero-content-side { padding: var(--sp-32) var(--sp-20); }
  .benefits-grid { grid-template-columns: repeat(5, 1fr); }
}

/* ============================================================
   SWIPER SLIDE HEIGHT FIX
   ============================================================ */
.courses-swiper .swiper-slide { height: auto; }

/* ============================================================
   UTILITY — VISUALLY HIDDEN
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}