/* ========================================================
   AI Innovations (ai.webinnovations.ru) Custom Styles
   Clean Emerald Light Theme, Precision 3-Column Grids
   ======================================================== */

:root {
  --color-primary: #059669;        /* Emerald 600 */
  --color-primary-light: #10b981;  /* Emerald 500 */
  --color-primary-dark: #047857;   /* Emerald 700 */
  --color-primary-darker: #064e3b; /* Deep Forest Green 900 */
  --color-accent-mint: #34d399;    /* Mint 400 */
  --color-bg-light: #f8fafc;       /* Slate 50 */
  --color-bg-alt: #f0fdf4;         /* Emerald 50 */
  --color-text-main: #0f172a;      /* Slate 900 */
  --color-text-muted: #475569;     /* Slate 600 */
  --color-border: #e2e8f0;         /* Slate 200 */
  --shadow-card: 0 4px 16px rgba(15, 23, 42, 0.05);
  --shadow-hover: 0 16px 32px rgba(5, 150, 105, 0.12);
}

/* BASE & STICKY FOOTER */
html {
  min-height: 100%;
}

body {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-light) !important;
  color: var(--color-text-main) !important;
  font-family: 'Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif !important;
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

main, #layout-content, .main-page-content {
  flex: 1 0 auto;
  width: 100%;
  display: block;
}

/* ========================================================
   NAVBAR (FLAWLESS VERTICAL & HORIZONTAL ALIGNMENT)
   ======================================================== */
#layout-nav {
  background: #ffffff !important;
  border-bottom: 1px solid #e2e8f0 !important;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03) !important;
  height: 72px !important;
  margin: 0 !important;
  padding: 0 !important;
  z-index: 1030;
}

#layout-nav > .container {
  height: 72px;
}

.navbar-container-flex {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  height: 72px !important;
  width: 100% !important;
}

/* Brand */
.navbar-brand {
  display: inline-flex !important;
  align-items: center !important;
  gap: 10px !important;
  height: 72px !important;
  padding: 0 !important;
  float: none !important;
  margin: 0 !important;
  flex-shrink: 0;
}

.brand-logo {
  height: 38px;
  width: auto;
}

.brand-text {
  font-size: 20px;
  font-weight: 300;
  color: #1e293b;
  letter-spacing: -0.4px;
  line-height: 1;
  display: inline-flex;
  align-items: baseline;
}

.brand-text strong {
  font-weight: 700;
  color: var(--color-primary-dark);
}

.brand-ai {
  font-weight: 800;
  color: var(--color-primary);
  font-size: 19px;
  letter-spacing: 0.5px;
  margin-left: 4px;
}

/* Navigation Links (Centered) */
.navbar-nav {
  margin: 0 auto !important;
  padding: 0 !important;
  list-style: none !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  float: none !important;
  height: 72px !important;
}

.navbar-nav > li {
  display: inline-flex !important;
  align-items: center !important;
  height: 72px !important;
  float: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

.navbar-nav > li > a {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  height: 38px !important;
  padding: 0 16px !important;
  color: #334155 !important;
  font-size: 15px !important;
  font-weight: 600 !important;
  border-radius: 6px !important;
  line-height: 1 !important;
  text-decoration: none !important;
  transition: all 0.2s ease !important;
}

.navbar-nav > li > a:hover,
.navbar-nav > li.active > a {
  color: var(--color-primary) !important;
  background: rgba(16, 185, 129, 0.08) !important;
}

.navbar-nav > li.dropdown > a .caret {
  margin-left: 6px;
  border-top-color: #64748b;
  transition: transform 0.2s ease;
}

.navbar-nav > li.dropdown:hover > a .caret {
  border-top-color: var(--color-primary);
  transform: rotate(180deg);
}

/* Dropdown on Hover */
.navbar-nav li.dropdown {
  position: relative;
}

.navbar-nav li.dropdown > .dropdown-menu {
  display: block !important;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  background: #ffffff !important;
  border: 1px solid #e2e8f0 !important;
  border-radius: 10px !important;
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.12) !important;
  padding: 8px 0 !important;
  min-width: 290px;
  top: 60px;
  left: 0;
  margin: 0 !important;
}

.navbar-nav li.dropdown:hover > .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu > li {
  display: block !important;
  float: none !important;
}

.dropdown-menu > li > a {
  padding: 10px 20px !important;
  color: #334155 !important;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  height: auto !important;
  line-height: 1.4 !important;
  text-decoration: none !important;
}

.dropdown-menu > li > a:hover {
  background: #f0fdf4 !important;
  color: var(--color-primary) !important;
  padding-left: 24px !important;
}

.dropdown-menu > li > a .badge-tag {
  font-size: 10px;
  background: #ecfdf5;
  color: var(--color-primary);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 700;
}

/* Navbar Right (Phone & Action CTA) */
.navbar-right-box {
  display: inline-flex !important;
  align-items: center !important;
  gap: 18px !important;
  height: 72px !important;
  margin: 0 !important;
  flex-shrink: 0;
}

.nav-phone {
  display: inline-flex !important;
  align-items: center !important;
  color: #1e293b !important;
  font-size: 15px !important;
  font-weight: 700 !important;
  text-decoration: none !important;
  white-space: nowrap !important;
  line-height: 1 !important;
  height: 38px !important;
  transition: color 0.2s ease;
}

.nav-phone:hover {
  color: var(--color-primary) !important;
}

.btn-nav-action {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  background: linear-gradient(135deg, #059669 0%, #10b981 100%) !important;
  color: #ffffff !important;
  border: none !important;
  border-radius: 8px !important;
  padding: 0 20px !important;
  height: 38px !important;
  font-size: 14px !important;
  font-weight: 700 !important;
  line-height: 1 !important;
  white-space: nowrap !important;
  cursor: pointer !important;
  transition: all 0.25s ease !important;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25) !important;
  text-decoration: none !important;
}

.btn-nav-action:hover {
  background: linear-gradient(135deg, #047857 0%, #059669 100%) !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(16, 185, 129, 0.35) !important;
  color: #ffffff !important;
}

/* ========================================================
   UNIVERSAL 3-COLUMN GRID SYSTEM (EXACT 3 PER ROW)
   ======================================================== */
.cards-grid-3 {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  gap: 30px !important;
  width: 100% !important;
  margin-top: 15px !important;
  margin-bottom: 30px !important;
}

@media (max-width: 991px) {
  .cards-grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 20px !important;
  }
}

@media (max-width: 640px) {
  .cards-grid-3 {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 16px !important;
  }
}

/* ========================================================
   SERVICE CARDS (EQUAL HEIGHT & CLEAN PINNED FOOTER)
   ======================================================== */
.service-card-clean {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 28px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex !important;
  flex-direction: column !important;
  justify-content: space-between !important;
  height: 100% !important;
  min-height: 100% !important;
  margin: 0 !important;
  box-shadow: var(--shadow-card);
}

.service-card-clean:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.service-card-clean .icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: #ecfdf5;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.service-card-clean .icon-wrap img {
  width: 24px;
  height: 24px;
}

.service-card-clean h3 {
  font-size: 19px;
  font-weight: 700;
  color: #0f172a;
  margin-top: 0;
  margin-bottom: 10px;
  line-height: 1.35;
}

.service-card-clean h3 a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.service-card-clean h3 a:hover {
  color: var(--color-primary);
}

.service-card-clean p {
  font-size: 14px;
  color: #475569;
  line-height: 1.55;
  margin-bottom: 16px;
}

.service-card-clean .features-list {
  flex: 1 1 auto;
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
}

.service-card-clean .features-list li {
  font-size: 13px;
  color: #334155;
  margin-bottom: 8px;
  padding-left: 20px;
  position: relative;
  line-height: 1.45;
}

.service-card-clean .features-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 800;
  font-size: 13px;
}

.service-card-clean .card-footer {
  border-top: 1px solid #f1f5f9;
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  margin-top: auto;
}

.service-card-clean .card-footer .cost {
  font-weight: 700;
  color: var(--color-primary-dark);
}

.service-card-clean .card-footer .arrow-link {
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  transition: transform 0.2s ease;
}

.service-card-clean .card-footer .arrow-link:hover {
  transform: translateX(3px);
  color: var(--color-primary-dark);
}

/* ========================================================
   CASE CARDS (EQUAL HEIGHT & PINNED FOOTER)
   ======================================================== */
.case-card-clean {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex !important;
  flex-direction: column !important;
  justify-content: space-between !important;
  height: 100% !important;
  min-height: 100% !important;
  margin: 0 !important;
  box-shadow: var(--shadow-card);
}

.case-card-clean:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.case-card-clean .case-head {
  padding: 24px 24px 16px;
  border-bottom: 1px solid #f8fafc;
}

.case-card-clean .case-cat {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.case-card-clean h3 {
  font-size: 18px;
  font-weight: 700;
  color: #0f172a;
  margin: 0;
  line-height: 1.35;
}

.case-card-clean h3 a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.case-card-clean h3 a:hover {
  color: var(--color-primary);
}

.case-card-clean .case-body {
  padding: 20px 24px;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}

.case-card-clean .client-lbl {
  font-size: 12px;
  font-weight: 600;
  color: #64748b;
  margin-bottom: 8px;
}

.case-card-clean .challenge-txt {
  font-size: 13px;
  color: #334155;
  line-height: 1.5;
  margin-bottom: 16px;
}

.case-card-clean .metrics-row {
  display: flex;
  gap: 12px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 16px;
  margin-top: auto;
}

.case-card-clean .metrics-row > div {
  flex: 1;
}

.case-card-clean .m-val {
  font-size: 17px;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.case-card-clean .m-lbl {
  font-size: 11px;
  color: #166534;
  margin-top: 2px;
  line-height: 1.25;
}

.case-card-clean .case-foot {
  padding: 14px 24px;
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  margin-top: auto;
}

/* ========================================================
   3-STEP PROJECT WIZARD (ACCESSIBLE, BEAUTIFUL, ROBUST)
   ======================================================== */
.wizard-box {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  width: 100%;
}

.wizard-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.wizard-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

@media (max-width: 768px) {
  .wizard-grid-3 {
    grid-template-columns: 1fr;
  }
  .wizard-grid-4 {
    grid-template-columns: 1fr 1fr;
  }
  .wizard-box {
    padding: 24px 18px;
  }
}

@media (max-width: 480px) {
  .wizard-grid-4 {
    grid-template-columns: 1fr;
  }
}

.wizard-item {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.wizard-item:hover {
  border-color: var(--color-primary-light);
  background: #f0fdf4;
}

.wizard-item.active {
  border-color: var(--color-primary);
  background: #f0fdf4;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.2);
}

.wizard-item .title {
  font-size: 14px;
  font-weight: 700;
  color: #0f172a;
}

.wizard-item .sub {
  font-size: 11px;
  color: #64748b;
  margin-top: 4px;
}

/* ========================================================
   SECTION TITLE WRAPPER
   ======================================================== */
.section-title-wrap {
  text-align: center;
  margin-bottom: 45px;
}

.section-title-wrap h2 {
  font-size: 32px;
  font-weight: 800;
  color: #0f172a;
  margin-top: 0;
  margin-bottom: 12px;
  line-height: 1.25;
}

.section-title-wrap p {
  font-size: 16px;
  color: #64748b;
  max-width: 650px;
  margin: 0 auto;
}

/* ========================================================
   FOOTER (RICH DEEP GREEN & STICKY BOTTOM PIN)
   ======================================================== */
footer,
#layout-footer {
  position: relative !important;
  bottom: auto !important;
  left: auto !important;
  right: auto !important;
  top: auto !important;
  height: auto !important;
  min-height: 0 !important;
  width: 100% !important;
  clear: both !important;
  margin-top: auto !important;
  background: var(--color-primary-darker) !important;
  color: #ecfdf5 !important;
  border-top: none !important;
  padding: 0 !important;
  z-index: 10;
}

footer .footer,
#layout-footer .footer {
  background: var(--color-primary-darker) !important;
  color: #ecfdf5 !important;
  padding: 60px 0 35px !important;
  margin: 0 !important;
}

footer h2,
#layout-footer h2 {
  color: #ffffff !important;
}

footer a,
#layout-footer a {
  color: #d1fae5 !important;
  transition: color 0.2s ease;
}

footer a:hover,
#layout-footer a:hover {
  color: #ffffff !important;
}

/* BUTTONS */
.btn-green-main {
  display: inline-block;
  background: linear-gradient(135deg, #059669 0%, #10b981 100%);
  color: #ffffff !important;
  border: none;
  border-radius: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none !important;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
}

.btn-green-main:hover {
  background: linear-gradient(135deg, #047857 0%, #059669 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
  color: #ffffff !important;
}

.btn-green-outline {
  display: inline-block;
  background: transparent;
  color: var(--color-primary) !important;
  border: 1px solid var(--color-primary);
  border-radius: 8px;
  padding: 11px 26px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none !important;
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-green-outline:hover {
  background: rgba(16, 185, 129, 0.08);
  border-color: var(--color-primary-dark);
  color: var(--color-primary-dark) !important;
}

.tech-tag {
  display: inline-block;
  padding: 3px 8px;
  background: #f0fdf4;
  color: var(--color-primary);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  margin-right: 4px;
  margin-bottom: 4px;
}

/* HERO SECTION (LIGHT) */
.hero-light {
  padding: 50px 0 60px;
  background: linear-gradient(180deg, #ecfdf5 0%, #f8fafc 100%);
  border-bottom: 1px solid #e2e8f0;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: #ffffff;
  border: 1px solid #bbf7d0;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.hero-pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
}

.hero-light h1 {
  font-size: 44px;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.2;
  margin-top: 0;
  margin-bottom: 20px;
}

.hero-light h1 .text-green {
  color: var(--color-primary);
}

.hero-light .lead {
  font-size: 18px;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 30px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

/* STATS BAR */
.stats-bar {
  padding: 30px 0;
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
}

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

.stat-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-lbl {
  font-size: 13px;
  color: #64748b;
  font-weight: 600;
}

/* TOAST */
.ai-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #064e3b;
  color: #ecfdf5;
  padding: 16px 24px;
  border-radius: 8px;
  border: 1px solid #34d399;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  z-index: 99999;
  display: none;
  font-size: 14px;
  max-width: 380px;
}

/* Responsive navbar collapse on mobile */
@media (max-width: 991px) {
  #layout-nav {
    height: auto !important;
  }
  #layout-nav > .container {
    height: auto !important;
  }
  .navbar-container-flex {
    flex-wrap: wrap !important;
    height: auto !important;
    padding: 10px 0 !important;
  }
  .navbar-nav {
    flex-direction: column !important;
    width: 100% !important;
    height: auto !important;
    margin: 10px 0 !important;
    gap: 4px !important;
  }
  .navbar-nav > li {
    height: auto !important;
    width: 100% !important;
  }
  .navbar-nav > li > a {
    width: 100% !important;
    justify-content: flex-start !important;
  }
  .navbar-right-box {
    width: 100% !important;
    height: auto !important;
    justify-content: space-between !important;
    padding: 10px 0 !important;
  }
  .hero-light h1 {
    font-size: 32px;
  }
}