:root {
  --color-bg-main: #0B0E14;
  --color-bg-card: #131826;
  --color-primary: #4DA3FF;
  --color-secondary: #8B5CF6;
  --color-text-primary: #E6E9F0;
  --color-text-muted: #9AA3B2;
  --color-border: rgba(255, 255, 255, 0.06);
  --color-hover: rgba(77, 163, 255, 0.1);
  --color-accent: #204349;

  --font-primary: 'Inter', sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  --z-header: 100;
  --z-modal: 200;
  --z-tooltip: 300;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg-main);
  color: var(--color-text-primary);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-normal), filter var(--transition-normal);
}

section img:not(.card img):not(.hero__image img):not(.portfolio__item img) {
  border-radius: var(--radius-md);
  cursor: pointer;
}

section img:not(.card img):not(.hero__image img):not(.portfolio__item img):hover {
  transform: scale(1.03);
  filter: brightness(1.1);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
  margin-bottom: var(--space-lg);
  color: var(--color-text-muted);
}

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-3xl) 0;
}

.section--small {
  padding: var(--space-2xl) 0;
}
.grid_core_software{
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
}
.grid_contact{
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.grid_contact {
  justify-content: center;
}

.grid_contact .card {
  margin-left: auto;
  margin-right: auto;
  max-width: 520px;
  width: calc(50% - var(--space-lg));
}

.grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
}

.grid > div {
  flex: 1 1 calc(50% - var(--space-lg));
  min-width: 300px;
}
.policy_containers {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.policy_containers .card {
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  padding: 0 !important;
  margin-bottom: 0 !important;
  box-shadow: none !important;
  max-width: 100% !important;
  width: 100% !important;
}

.policy_containers .card h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  margin-bottom: var(--space-lg);
  margin-top: var(--space-2xl);
  color: var(--color-text-primary);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid rgba(77, 163, 255, 0.2);
  position: relative;
}

.policy_containers .card h2:first-child {
  margin-top: 0;
}

.policy_containers .card h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.policy_containers .card h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  color: var(--color-primary);
  font-weight: 600;
}

.policy_containers .card h3:first-of-type {
  margin-top: var(--space-lg);
}

.policy_containers .card p {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.policy_containers .card ul,
.policy_containers .card ol {
  margin-top: var(--space-md);
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
  color: var(--color-text-muted);
}

.policy_containers .card ul li,
.policy_containers .card ol li {
  margin-bottom: var(--space-md);
  line-height: 1.8;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
}

.policy_containers .card ul li:last-child {
  margin-bottom: 0;
}

.policy_containers .card ul li strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

.policy_containers .card a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.policy_containers .card a:hover {
  color: var(--color-secondary);
  text-decoration: underline;
}

.flex {
  display: flex;
  gap: var(--space-md);
}

.flex--center {
  justify-content: center;
  align-items: center;
}

.flex--between {
  justify-content: space-between;
  align-items: center;
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
}

.btn--secondary {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn--secondary:hover {
  background: var(--color-primary);
  color: white;
}

.btn--full {
  width: 100%;
}

.portfolio + .text-center .btn {
  margin-top: var(--space-md);
}

.header {
  position: relative;
  background: rgba(11, 14, 20, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) 0;
  z-index: var(--z-header);
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header__logo {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.header__menu {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
}

.header__link {
  color: var(--color-text-primary);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.header__link:hover,
.header__link--active {
  color: var(--color-primary);
  background: var(--color-hover);
}

.header__burger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: var(--space-sm);
  background: none;
  border: none;
}

.header__burger span {
  width: 24px;
  height: 2px;
  background: #ffffff;
  transition: all var(--transition-fast);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-bg-main) 0%, #1a1d2a 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 40%, rgba(77, 163, 255, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero__container {
  position: relative;
  z-index: 1;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero__content h1 {
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__content p {
  font-size: 1.25rem;
  margin-bottom: var(--space-2xl);
  max-width: 500px;
}

.hero__buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero__image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
}

.hero__image:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(77, 163, 255, 0.3);
}

.hero__image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform var(--transition-normal), filter var(--transition-normal);
}

.hero__image:hover img {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.page-courses .hero__image img {
  max-width: 520px;
  margin-left: auto;
  margin-right: 0;
}

.page-courses .card img {
  max-height: 320px;
  width: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  transition: transform var(--transition-normal), filter var(--transition-normal);
}

.page-courses .card:hover img {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.page-courses .text-center img {
  max-width: 680px;
  height: auto;
  object-fit: cover;
  transition: transform var(--transition-normal), filter var(--transition-normal);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.page-courses .text-center img:hover {
  transform: scale(1.03);
  filter: brightness(1.1);
}

.page-software #setup-resources .grid {
  gap: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: stretch;
  max-width: 1200px;
  margin: 0 auto;
}

.page-software #setup-resources .card {
  padding: var(--space-md);
  border-radius: calc(var(--radius-md) - 4px);
  width: 100%;
  max-width: 300px;
}

.page-software #setup-resources .card img {
  max-height: 180px;
  width: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  transition: transform var(--transition-normal), filter var(--transition-normal);
}

.page-software #setup-resources .card:hover img {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.page-software #setup-resources .text-center h2 {
  font-size: clamp(1.75rem, 3.5vw, 2rem);
}

.page-courses .grid {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.page-courses .card {
  max-width: 360px;
  margin: 0 auto;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-courses .card img {
  width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  transition: transform var(--transition-normal), filter var(--transition-normal);
}

.page-courses .card:hover img {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.page-courses .card__title {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
}

.page-courses .card__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.page-courses .card .btn {
  margin-top: var(--space-md);
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  height: auto;
  width: 100%;
  max-width: 373px;
  box-sizing: border-box;
}

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

.card img {
  transition: transform var(--transition-normal), filter var(--transition-normal);
}

.card:hover img {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.card ul {
  list-style: none;
}

.card__title {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.card__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.card__meta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.card__badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-hover);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Software Tools Strip */
.tools-strip {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-xl) 0;
}

.tools-strip__container {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.tools-strip__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--radius-md);
}

.tools-strip__item:hover {
  color: var(--color-primary);
  transform: translateY(-4px);
  background: var(--color-hover);
}

.tools-strip__icon {
  font-size: 2rem;
  margin-bottom: var(--space-xs);
}

.tools-strip__name {
  font-size: 0.875rem;
  font-weight: 600;
}

/* Roadmap */
.roadmap {
  position: relative;
}

.roadmap::before {
  content: '';
  position: absolute;
  top: 24%;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transform: translateY(-50%);
  z-index: 0;
}

.roadmap__container {
  position: relative;
  z-index: 1;
}

.roadmap__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}

.roadmap__step {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  position: relative;
}

.roadmap__step::before {
  content: '';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 24px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 4px solid var(--color-bg-main);
}

.roadmap__step-number {
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-bg-main);
}

.roadmap__step-title {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

/* Portfolio Grid */
.portfolio {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.portfolio__item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  transition: transform var(--transition-normal);
}

.portfolio__item:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 32px rgba(77, 163, 255, 0.2);
}

.portfolio__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal), filter var(--transition-normal);
}

.portfolio__item:hover img {
  transform: scale(1.1);
  filter: brightness(1.1) contrast(1.05);
}

.portfolio__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
  color: white;
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.portfolio__item:hover .portfolio__overlay {
  transform: translateY(0);
}

.portfolio__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.portfolio__meta {
  font-size: 0.875rem;
  opacity: 0.8;
}

/* CTA Section */
.cta {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  text-align: center;
  padding: var(--space-3xl) 0;
  margin: var(--space-3xl) 0;
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>') repeat;
  opacity: 0.1;
  pointer-events: none;
}

.cta__container {
  position: relative;
  z-index: 1;
}

.cta h2 {
  color: white;
  margin-bottom: var(--space-lg);
}

.cta p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Forms */
.form {
  max-width: 500px;
  margin: 0 auto;
}

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

.form__label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: inherit;
  transition: border-color var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(77, 163, 255, 0.1);
}

.form__textarea {
  resize: vertical;
  min-height: 100px;
}

.form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  margin-bottom: var(--space-lg);
}

.form__checkbox input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--color-primary);
}

.form__checkbox label {
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--color-text-muted);
}

/* Contact Info */
.contact-info {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.contact-info h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--space-xl);
  text-align: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding-bottom: var(--space-md);
  border-bottom: 2px solid rgba(77, 163, 255, 0.2);
}

.contact-info__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  padding: var(--space-md);
  background: rgba(77, 163, 255, 0.03);
  border-radius: var(--radius-md);
  border: 1px solid rgba(77, 163, 255, 0.1);
  transition: all var(--transition-fast);
}

.contact-info__item:last-child {
  margin-bottom: 0;
}

.contact-info__item:hover {
  background: rgba(77, 163, 255, 0.06);
  border-color: rgba(77, 163, 255, 0.2);
  transform: translateX(2px);
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(77, 163, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.contact-info__icon i {
  font-size: 1.1rem;
}

.contact-info__content {
  flex: 1;
  min-width: 0;
}

.contact-info__content h4 {
  font-size: clamp(0.95rem, 2vw, 1.125rem);
  margin-bottom: var(--space-xs);
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.3px;
}

.contact-info__content p {
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  line-height: 1.6;
  color: var(--color-text-muted);
  word-wrap: break-word;
  overflow-wrap: break-word;
  margin-bottom: 0;
}

.contact-info__content ul {
  columns: 1 !important;
  column-gap: 0 !important;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-info__content li {
  margin-bottom: 0;
}

.contact-info__content a {
  color: var(--color-primary);
  word-break: break-all;
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  transition: color var(--transition-fast);
}

.contact-info__content a:hover {
  color: var(--color-secondary);
  text-decoration: underline;
}

.contact-info__content br {
  display: block;
  margin: 0.25rem 0;
}

/* Map */
.map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-xl);
}

.map iframe {
  width: 100%;
  height: 300px;
  border: none;
}

/* Footer */
.footer {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) 0 var(--space-xl);
}

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

.footer__menu {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
}

.footer__link {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-primary);
}

.footer__copyright {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal--active {
  opacity: 1;
  visibility: visible;
}

.modal__content {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}

.modal__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.modal__close:hover {
  color: var(--color-text-primary);
}

.modal__title {
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}

.modal__text {
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Center buttons at tablet to mid-desktop width (867px - 1496px) */
@media (min-width: 867px) and (max-width: 1496px) {
  .hero__buttons {
    justify-content: center;
    gap: var(--space-md);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .grid, 
  .grid_core_software, 
  .grid_contact,
  .hero__grid {
    display: flex;
    flex-direction: column;
    align-items: center; /* Центрирует карточки по горизонтали */
    gap: var(--space-lg);
  }
  .grid, 
  .grid_core_software, 
  .grid_contact,
  .hero__grid {
    display: flex;
    flex-direction: column;
    align-items: center; /* Центрирует карточки по горизонтали */
    gap: var(--space-lg);
  }

  .container {
    padding: 0 var(--space-md); /* Гарантированный отступ от краев экрана */
    overflow-x: hidden; /* Обрезает случайные вылеты мелких элементов */
    max-width: 100%;
  }

  /* Ensure grid items don't overflow on smaller screens */
  .grid > div {
    min-width: 0 !important;
    flex: 1 1 100% !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  /* Ensure forms don't overflow */
  .form,
  .contact-form {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
  }

  .hero__content {
    text-align: center;
    width: 100%;
  }
  .header__menu {
    display: none; /* Скрываем обычное меню */
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--color-bg-main);
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
  }

  .header__burger {
    display: flex;
    z-index: 101;
  }
  .header__nav.active .header__menu {
    display: flex;
  }

  .header__nav--mobile {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-lg);
    display: none;
  }

  .header__nav--mobile.active {
    display: block;
  }

  .header__menu--mobile {
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
  }

  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }

  .hero__buttons {
    justify-content: center;
  }

  .tools-strip__container {
    flex-direction: row;
    gap: var(--space-md);
    overflow-x: auto;
    padding: 0 var(--space-md);
  }

  .roadmap::before {
    display: none;
  }

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

  .portfolio {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }

  .footer__container {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    text-align: center;
  }

  .footer__menu {
    justify-content: center;
  }
}

/* Fix form overflow for 375px-464px range */
@media (min-width: 375px) and (max-width: 464px) {
  .container {
    padding: 0 var(--space-md);
    max-width: 100%;
    overflow-x: hidden;
  }

  /* Override min-width on grid items to prevent overflow */
  .grid > div {
    min-width: 0 !important;
    flex: 1 1 100% !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  /* Ensure form container respects viewport width */
  .form,
  .contact-form {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
    padding-left: 0;
    padding-right: 0;
  }

  .form__input,
  .form__textarea,
  input,
  textarea,
  select,
  .btn {
    box-sizing: border-box;
    width: 100% !important;
    max-width: 100% !important;
  }

  /* Checkbox and label alignment fix */
  .form__checkbox {
    align-items: flex-start;
    gap: var(--space-sm);
    flex-wrap: wrap;
  }

  .form__checkbox input[type="checkbox"] {
    margin-top: 2px;
    flex-shrink: 0;
  }

  .form__checkbox label {
    flex: 1 1 auto;
    min-width: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
    font-size: 0.875rem;
  }

  /* Reduce gap in grid to prevent overflow */
  .grid,
  .grid_contact {
    gap: var(--space-md) !important;
  }

  /* Ensure cards don't overflow */
  .card {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
  }

  /* Improved hover effects for 375px-464px screens */
  .hero__image:active,
  .hero__image:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(77, 163, 255, 0.2);
  }

  .hero__image:active img,
  .hero__image:hover img {
    transform: scale(1.02);
    filter: brightness(1.05);
  }

  .card:active img,
  .card:hover img {
    transform: scale(1.02);
    filter: brightness(1.05);
  }

  .portfolio__item:active,
  .portfolio__item:hover {
    transform: scale(0.99);
    box-shadow: 0 4px 16px rgba(77, 163, 255, 0.15);
  }

  .portfolio__item:active img,
  .portfolio__item:hover img {
    transform: scale(1.02);
    filter: brightness(1.05);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }

  .section {
    padding: var(--space-2xl) 0;
  }

  .hero {
    padding: var(--space-2xl) 0;
  }

  .hero__buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

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

  .portfolio__item {
    aspect-ratio: 4/3;
    -webkit-tap-highlight-color: transparent;
  }

  /* Improved hover effects for small screens - subtle and touch-friendly */

  .portfolio__item:active,
  .portfolio__item:hover {
    transform: scale(0.98);
    box-shadow: 0 4px 16px rgba(77, 163, 255, 0.15);
  }

  .portfolio__item img {
    transition: opacity var(--transition-fast), filter var(--transition-fast);
  }

  .portfolio__item:active img,
  .portfolio__item:hover img {
    transform: scale(1.02);
    filter: brightness(1.05);
    opacity: 0.95;
  }

  .portfolio__overlay {
    transform: translateY(0);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  }

  .portfolio__item:active .portfolio__overlay,
  .portfolio__item:hover .portfolio__overlay {
    transform: translateY(0);
    opacity: 1;
  }

  /* Improved image hover effects for small screens */
  .hero__image {
    -webkit-tap-highlight-color: transparent;
  }

  .hero__image:active,
  .hero__image:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(77, 163, 255, 0.2);
  }

  .hero__image:active img,
  .hero__image:hover img {
    transform: scale(1.02);
    filter: brightness(1.05);
  }

  /* Card image hover for small screens */
  .card {
    -webkit-tap-highlight-color: transparent;
  }

  .card:active img,
  .card:hover img {
    transform: scale(1.02);
    filter: brightness(1.05);
  }

  /* Standalone image hover for small screens */
  section img:not(.card img):not(.hero__image img):not(.portfolio__item img) {
    -webkit-tap-highlight-color: transparent;
  }

  section img:not(.card img):not(.hero__image img):not(.portfolio__item img):active,
  section img:not(.card img):not(.hero__image img):not(.portfolio__item img):hover {
    transform: scale(1.01);
    filter: brightness(1.05);
  }

  .card {
    padding: var(--space-lg);
  }
}

/* Utility Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Policy pages responsive styles */
@media (max-width: 768px) {
  .policy_containers {
    gap: var(--space-xl) !important;
    padding: 0 var(--space-md);
  }

  .policy_containers .card h2 {
    font-size: 1.75rem !important;
    margin-top: var(--space-xl) !important;
  }

  .policy_containers .card h3 {
    font-size: 1.25rem !important;
  }

  .policy_containers .card ul,
  .policy_containers .card ol {
    padding-left: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .policy_containers {
    gap: var(--space-lg) !important;
    padding: 0 var(--space-sm);
  }

  .policy_containers .card h2 {
    font-size: 1.5rem !important;
    margin-top: var(--space-lg) !important;
    padding-bottom: var(--space-sm);
  }

  .policy_containers .card h3 {
    font-size: 1.125rem !important;
  }

  .policy_containers .card ul,
  .policy_containers .card ol {
    padding-left: var(--space-md);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Print Styles */
@media print {
  .header__burger,
  .modal,
  .btn {
    display: none !important;
  }

  body {
    background: white !important;
    color: black !important;
  }

  .card {
    border: 1px solid #ccc !important;
    background: white !important;
  }
}

/* Responsive: center Core Software Tools at tablet widths */
@media (max-width: 768px) {
  .grid_core_software {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    padding-left: 0;
    padding-right: 0;
  }

  .grid_core_software .card {
    /* make cards wider and centered on small screens */
    max-width: 720px;
    width: 92%;
    margin-left: auto;
    margin-right: auto;
  }

  /* Ensure text-center elements inside cards remain centered */
  .grid_core_software .text-center {
    text-align: center;
  }
}

/* Center cards at 1024px */
@media (max-width: 1024px) {
  .page-software .grid_core_software,
  .page-careers .grid_core_software {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    align-items: stretch !important;
    gap: var(--space-lg) !important;
    max-width: 900px !important;
    margin: 0 auto !important;
  }

  .page-software .grid_core_software .card,
  .page-careers .grid_core_software .card {
    max-width: 400px !important;
    flex: 1 1 45% !important;
  }

  .page-careers .grid .card {
    flex: 1 1 45% !important;
    max-width: 400px !important;
  }
}

/* Center careers sections between tablet and small-desktop widths */
@media (min-width: 1025px) and (max-width: 1198px) {
  .page-careers .container {
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .page-careers .grid_core_software {
    justify-content: center;
    gap: var(--space-lg);
  }

  .page-careers .grid_core_software .card {
    max-width: 520px;
    width: 48%;
    margin-left: auto;
    margin-right: auto;
  }

  .page-careers .text-center {
    text-align: center;
  }
}

/* Stronger page-specific override in case other rules interfere */
@media (max-width: 768px) {
  .page-software .grid_core_software,
  .page-careers .grid_core_software {
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .page-software .grid_core_software .card,
  .page-careers .grid_core_software .card {
    width: 92% !important;
    max-width: 720px !important;
    margin: 0 auto !important;
    float: none !important;
  }
}

/* Center Setup & Resources cards on software-tools page at <=768px */
@media (max-width: 768px) {
  .page-software #setup-resources .grid {
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: var(--space-lg) !important;
  }

  .page-software #setup-resources .card {
    width: 92% !important;
    max-width: 720px !important;
    margin: 0 auto !important;
  }
}

/* Fix layout overflow on very small screens (<=320px) */
@media (max-width: 320px) {
  .container {
    padding-left: 8px;
    padding-right: 8px;
    max-width: 100%;
    overflow-x: hidden;
  }

  /* Override min-width on grid items to prevent overflow */
  .grid > div {
    min-width: 0 !important;
    flex: 1 1 100% !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  /* Make form and cards full width to avoid horizontal overflow */
  .grid_contact .card,
  .grid_core_software .card,
  .grid .card,
  .portfolio__item,
  .page-courses .card,
  .card {
    width: 100% !important;
    max-width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    box-sizing: border-box;
  }

  /* Ensure form container respects viewport width */
  .form,
  .contact-form {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
    padding-left: 0;
    padding-right: 0;
  }

  .form__input,
  .form__textarea,
  input,
  textarea,
  select,
  .btn {
    box-sizing: border-box;
    width: 100% !important;
    max-width: 100% !important;
  }

  /* Checkbox and label alignment fix on very small screens */
  .form__checkbox {
    align-items: flex-start;
    gap: 8px;
    flex-wrap: wrap;
  }

  .form__checkbox input[type="checkbox"] {
    margin-left: 0 !important;
    margin-right: 8px !important;
    margin-top: 2px;
    flex-shrink: 0;
  }

  .form__checkbox label {
    flex: 1 1 auto;
    min-width: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
    display: block;
  }

  /* Reduce inner padding that contributes to overflow */
  .card {
    padding-left: 12px;
    padding-right: 12px;
  }

  /* Reduce gap in grid to prevent overflow */
  .grid,
  .grid_contact {
    gap: var(--space-md) !important;
  }

  /* Ensure large headings wrap and don't push layout */
  h1, h2, h3, h4 {
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
  }

  /* Adjust contact info padding for 320px */
  .contact-info {
    padding: var(--space-xl) var(--space-md) !important;
  }

  .contact-info__item {
    flex-wrap: nowrap;
  }

  .contact-info__content ul {
    columns: 1 !important;
  }

  /* Beautify "Why Choose Our Courses?" card list */
  .card ul {
    list-style: none !important;
    padding-left: var(--space-lg) !important;
    padding-right: var(--space-sm) !important;
    margin-top: var(--space-md) !important;
  }

  .card ul li {
    margin-bottom: var(--space-sm);
    padding-left: var(--space-xs);
    line-height: 1.6;
  }

  .card ul li:last-child {
    margin-bottom: 0;
  }

  .card h4 {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }

  /* Policy pages adjustments for 320px */
  .policy_containers {
    gap: var(--space-lg) !important;
    padding: 0 var(--space-sm) !important;
  }

  .policy_containers .card h2 {
    font-size: 1.375rem !important;
    padding-bottom: var(--space-sm);
    margin-top: var(--space-lg) !important;
  }

  .policy_containers .card h3 {
    font-size: 1.0625rem !important;
  }

  .policy_containers .card ul,
  .policy_containers .card ol {
    padding-left: var(--space-md);
  }

  .policy_containers .card p {
    font-size: 0.9375rem !important;
  }

  /* Enhanced hover effects for very small screens (320px) - subtle touch feedback */
  .hero__image:active,
  .hero__image:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(77, 163, 255, 0.15);
  }

  .hero__image:active img,
  .hero__image:hover img {
    transform: scale(1.01);
    filter: brightness(1.03);
  }

  .card:active img,
  .card:hover img {
    transform: scale(1.01);
    filter: brightness(1.03);
  }

  .portfolio__item:active,
  .portfolio__item:hover {
    transform: scale(0.99);
  }

  .portfolio__item:active img,
  .portfolio__item:hover img {
    transform: scale(1.01);
    filter: brightness(1.03);
  }

  section img:not(.card img):not(.hero__image img):not(.portfolio__item img):active,
  section img:not(.card img):not(.hero__image img):not(.portfolio__item img):hover {
    transform: scale(1.01);
    filter: brightness(1.03);
  }
}