/* ============================================================
   ΚΠΩ - Κέντρο Πληροφορικής Ωρωπού | Main Stylesheet
   Design System: CSS Custom Properties, Mobile-First, WCAG AA
   ============================================================ */

/* --- DESIGN TOKENS --- */
:root {
  /* Brand Colors */
  --color-primary: #1a73e8;
  --color-primary-dark: #1557b0;
  --color-primary-light: #4a90d9;
  --color-secondary: #ff6b35;
  --color-secondary-dark: #e55a2b;
  --color-accent: #00b894;
  --color-accent-dark: #009a7b;

  /* Neutrals */
  --color-white: #ffffff;
  --color-off-white: #f8f9fa;
  --color-light-gray: #e9ecef;
  --color-mid-gray: #adb5bd;
  --color-dark-gray: #495057;
  --color-charcoal: #343a40;
  --color-near-black: #212529;
  --color-black: #000000;

  /* Semantic Colors */
  --color-success: #28a745;
  --color-warning: #ffc107;
  --color-danger: #dc3545;
  --color-info: #17a2b8;

  /* Typography */
  --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;

  --fs-xs: 0.75rem;    /* 12px */
  --fs-sm: 0.875rem;   /* 14px */
  --fs-base: 1rem;     /* 16px */
  --fs-md: 1.125rem;   /* 18px */
  --fs-lg: 1.25rem;    /* 20px */
  --fs-xl: 1.5rem;     /* 24px */
  --fs-2xl: 2rem;      /* 32px */
  --fs-3xl: 2.5rem;    /* 40px */
  --fs-4xl: 3rem;      /* 48px */
  --fs-hero: 3.5rem;   /* 56px */

  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;

  --lh-tight: 1.2;
  --lh-normal: 1.5;
  --lh-relaxed: 1.75;

  /* Spacing Scale (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --max-width: 1280px;
  --header-height: 80px;
  --header-height-mobile: 64px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 12px 40px rgba(0,0,0,0.15);

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

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
}

/* --- RESET & BASE --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: var(--fs-base);
  font-weight: var(--fw-normal);
  line-height: var(--lh-normal);
  color: var(--color-near-black);
  background-color: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover, a:focus-visible {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

ul, ol {
  list-style: none;
}

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip to content link */
.skip-to-content {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: var(--z-toast);
  font-weight: var(--fw-semibold);
}
.skip-to-content:focus {
  top: var(--space-2);
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--color-near-black);
}

h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }
h5 { font-size: var(--fs-md); }
h6 { font-size: var(--fs-base); }

.section-title {
  font-size: var(--fs-2xl);
  text-align: center;
  margin-bottom: var(--space-4);
  position: relative;
  padding-bottom: var(--space-4);
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}
.section-subtitle {
  text-align: center;
  color: var(--color-dark-gray);
  font-size: var(--fs-md);
  margin-bottom: var(--space-12);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* --- UTILITY CLASSES --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

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

.section {
  padding: var(--space-20) 0;
}

.section--alt {
  background-color: var(--color-off-white);
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  line-height: 1.4;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
}
.btn:hover { text-decoration: none; }

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

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

.btn--accent {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn--accent:hover {
  background: var(--color-accent-dark);
  color: var(--color-white);
}

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

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

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--fs-md);
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--fs-sm);
}

/* ================================================================
   HEADER
   ================================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  height: var(--header-height-mobile);
  transition: box-shadow var(--transition-base);
}
.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.header__logo {
  flex-shrink: 0;
}
.header__logo img {
  height: 50px;
  width: auto;
}
.header__logo a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

/* --- NAVIGATION --- */
.nav {
  display: none;
}
.nav--open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: var(--header-height-mobile);
  left: 0;
  right: 0;
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4);
  max-height: calc(100vh - var(--header-height-mobile));
  overflow-y: auto;
}

.nav__list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nav__item {
  position: relative;
}

.nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  color: var(--color-near-black);
  font-weight: var(--fw-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.nav__link:hover {
  background: var(--color-off-white);
  color: var(--color-primary);
  text-decoration: none;
}

/* Dropdown */
.nav__dropdown {
  display: none;
  padding-left: var(--space-4);
}
.nav__item--open .nav__dropdown {
  display: block;
}
@media (min-width: 1024px) {
  .nav__item:hover .nav__dropdown,
  .nav__item:focus-within .nav__dropdown {
    display: block;
  }
}

.nav__dropdown .nav__link {
  font-size: var(--fs-sm);
  padding: var(--space-2) var(--space-4);
}

.nav__toggle {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  cursor: pointer;
}

.nav__arrow {
  font-size: 0.6em;
  transition: transform var(--transition-fast);
  display: inline-block;
}
.nav__item--open .nav__arrow {
  transform: rotate(180deg);
}
@media (min-width: 1024px) {
  .nav__item:hover .nav__arrow {
    transform: rotate(180deg);
  }
}

/* --- HEADER ACTIONS --- */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header__social {
  display: none;
}

.header__phone-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  text-decoration: none;
  transition: background var(--transition-fast);
}
.header__phone-btn:hover {
  background: var(--color-accent-dark);
  color: var(--color-white);
  text-decoration: none;
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-near-black);
  border-radius: 2px;
  transition: all var(--transition-base);
}
.hamburger--active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger--active span:nth-child(2) {
  opacity: 0;
}
.hamburger--active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ================================================================
   HERO SECTION
   ================================================================ */
.hero {
  position: relative;
  min-height: 500px;
  height: calc(100vh - var(--header-height-mobile));
  max-height: 700px;
  overflow: hidden;
  display: flex;
  align-items: center;
  color: var(--color-white);
  /* Fallback background in case no slides load */
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.hero__slider {
  position: absolute;
  inset: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  align-items: center;
}
.hero__slide--active {
  opacity: 1;
}

.hero__slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.hero__title {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-extrabold);
  margin-bottom: var(--space-4);
  line-height: var(--lh-tight);
  color: var(--color-white);
}

.hero__subtitle {
  font-size: var(--fs-md);
  margin-bottom: var(--space-8);
  opacity: 0.9;
  max-width: 600px;
  line-height: var(--lh-relaxed);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero__dots {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  z-index: 3;
}

.hero__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: 2px solid rgba(255,255,255,0.6);
  cursor: pointer;
  transition: all var(--transition-base);
}
.hero__dot--active {
  background: var(--color-white);
  border-color: var(--color-white);
  transform: scale(1.2);
}

.hero__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  color: var(--color-white);
  font-size: var(--fs-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  transition: background var(--transition-fast);
}
.hero__arrow:hover {
  background: rgba(255,255,255,0.4);
}
.hero__arrow--prev { left: var(--space-4); }
.hero__arrow--next { right: var(--space-4); }

/* ================================================================
   SERVICES / PROGRAMS GRID
   ================================================================ */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--color-light-gray);
}

.service-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-3);
}

.service-card__title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-3);
}

.service-card__text {
  color: var(--color-dark-gray);
  margin-bottom: var(--space-6);
  flex: 1;
}

.service-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.service-card__badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-off-white);
  color: var(--color-primary);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-full);
}

/* --- Service card variants (kids vs adults) --- */
.service-card--kids {
  border-top: 4px solid var(--color-accent);
  background: linear-gradient(180deg, #f2fcf9 0%, var(--color-white) 55%);
}
.service-card--kids .service-card__icon {
  color: var(--color-accent-dark);
}
.service-card--adults {
  border-top: 4px solid var(--color-primary);
  background: linear-gradient(180deg, #f2f7ff 0%, var(--color-white) 55%);
}
.service-card--adults .service-card__icon {
  color: var(--color-primary-dark);
}

/* --- Services group titles (kids vs adults) --- */
.services-group-title {
  text-align: center;
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  margin: var(--space-4) 0 var(--space-8);
}
.services-group-title + .services-grid + .services-group-title {
  margin-top: var(--space-16);
}

/* ================================================================
   TABS
   ================================================================ */
.tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}

.tab-btn {
  padding: var(--space-3) var(--space-6);
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-full);
  background: var(--color-off-white);
  color: var(--color-dark-gray);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.tab-btn:hover {
  background: var(--color-light-gray);
  color: var(--color-near-black);
}
.tab-btn--active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.tab-panel {
  display: none;
}
.tab-panel--active {
  display: block;
}

/* ================================================================
   TESTIMONIALS
   ================================================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.testimonial-card__stars {
  color: #ffc107;
  font-size: var(--fs-lg);
  margin-bottom: var(--space-4);
  letter-spacing: 2px;
}

.testimonial-card__text {
  font-style: italic;
  color: var(--color-dark-gray);
  margin-bottom: var(--space-6);
  line-height: var(--lh-relaxed);
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: var(--fw-bold);
  font-size: var(--fs-lg);
}

.testimonial-card__name {
  font-weight: var(--fw-semibold);
  font-size: var(--fs-base);
}

.testimonial-card__role {
  font-size: var(--fs-sm);
  color: var(--color-mid-gray);
}

/* ================================================================
   BLOG / NEWS GRID
   ================================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--color-light-gray);
}

.blog-card__body {
  padding: var(--space-6);
}

.blog-card__date {
  font-size: var(--fs-xs);
  color: var(--color-mid-gray);
  margin-bottom: var(--space-2);
}

.blog-card__title {
  font-size: var(--fs-md);
  margin-bottom: var(--space-3);
}
.blog-card__title a {
  color: var(--color-near-black);
}
.blog-card__title a:hover {
  color: var(--color-primary);
}

.blog-card__excerpt {
  color: var(--color-dark-gray);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ================================================================
   CONTACT SECTION
   ================================================================ */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

.contact-info__item {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xl);
}

.contact-info__label {
  font-size: var(--fs-sm);
  color: var(--color-mid-gray);
  margin-bottom: var(--space-1);
}

.contact-info__value {
  font-weight: var(--fw-semibold);
  color: var(--color-near-black);
}

.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-weight: var(--fw-medium);
  margin-bottom: var(--space-2);
  color: var(--color-near-black);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  font-size: var(--fs-base);
  transition: border-color var(--transition-fast);
  background: var(--color-white);
}
.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  outline: none;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

/* ================================================================
   MAP
   ================================================================ */
.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.map-container iframe {
  width: 100%;
  height: 350px;
  border: none;
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  background: var(--color-charcoal);
  color: var(--color-light-gray);
  padding: var(--space-16) 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

.footer__heading {
  color: var(--color-white);
  font-size: var(--fs-lg);
  margin-bottom: var(--space-6);
}

.footer__text {
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-4);
}

.footer__links li {
  margin-bottom: var(--space-3);
}

.footer__links a {
  color: var(--color-mid-gray);
  font-size: var(--fs-sm);
  transition: color var(--transition-fast);
}
.footer__links a:hover {
  color: var(--color-white);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: var(--fs-lg);
  transition: background var(--transition-fast);
}
.footer__social-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.footer__accreditation {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.footer__accreditation img {
  height: 40px;
  width: auto;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}
.footer__accreditation img:hover {
  opacity: 1;
}

.footer__bottom {
  margin-top: var(--space-12);
  padding: var(--space-6) 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--color-mid-gray);
}

.footer__bottom-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-2);
}

.footer__bottom-links a {
  color: var(--color-mid-gray);
  font-size: var(--fs-sm);
}

/* ================================================================
   PAGE BANNER (Inner Pages)
   ================================================================ */
.page-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: var(--space-12) 0;
  text-align: center;
}

.page-banner__title {
  color: var(--color-white);
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-3);
}

.page-banner__subtitle {
  font-size: var(--fs-md);
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumbs {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-4);
  font-size: var(--fs-sm);
}
.breadcrumbs a {
  color: rgba(255,255,255,0.8);
}
.breadcrumbs a:hover {
  color: var(--color-white);
}
.breadcrumbs span {
  color: rgba(255,255,255,0.5);
}

/* ================================================================
   COURSE DETAIL LAYOUT
   ================================================================ */
.course-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}

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

.course-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

.course-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.course-feature__icon {
  color: var(--color-accent);
  font-size: var(--fs-xl);
  flex-shrink: 0;
}

.course-feature__title {
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-1);
}

.course-feature__desc {
  font-size: var(--fs-sm);
  color: var(--color-dark-gray);
}

.course-detail-section {
  margin-bottom: var(--space-10);
}

.course-detail-section h3 {
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}

.curriculum-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.curriculum-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--color-off-white);
  border-radius: var(--radius-md);
}

.curriculum-item__week {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: var(--fw-bold);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  white-space: nowrap;
}

/* FAQ Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-light-gray);
}

.faq-item__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) 0;
  font-weight: var(--fw-semibold);
  font-size: var(--fs-base);
  text-align: left;
  color: var(--color-near-black);
  cursor: pointer;
  background: none;
  border: none;
}
.faq-item__question:hover {
  color: var(--color-primary);
}

.faq-item__answer {
  padding-bottom: var(--space-4);
  color: var(--color-dark-gray);
  line-height: var(--lh-relaxed);
  display: none;
}
.faq-item--open .faq-item__answer {
  display: block;
}

.faq-item__icon {
  font-size: var(--fs-xl);
  transition: transform var(--transition-fast);
}
.faq-item--open .faq-item__icon {
  transform: rotate(45deg);
}

/* ================================================================
   PRICING CARD
   ================================================================ */
.pricing-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  text-align: center;
  max-width: 400px;
}

.pricing-card__price {
  font-size: var(--fs-3xl);
  font-weight: var(--fw-extrabold);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.pricing-card__features {
  text-align: left;
  margin: var(--space-6) 0;
}
.pricing-card__features li {
  padding: var(--space-2) 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.pricing-card__features li::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: var(--fw-bold);
}

/* ================================================================
   STATS / COUNTERS
   ================================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.stat-item {
  text-align: center;
  padding: var(--space-6);
}

.stat-item__number {
  font-size: var(--fs-3xl);
  font-weight: var(--fw-extrabold);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.stat-item__label {
  font-size: var(--fs-sm);
  color: var(--color-dark-gray);
  font-weight: var(--fw-medium);
}

/* ================================================================
   SUMMER CAMP ACTIVITIES
   ================================================================ */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.activity-item {
  text-align: center;
  padding: var(--space-4);
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-fast);
}
.activity-item:hover {
  transform: scale(1.05);
}

.activity-item__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-2);
}

.activity-item__label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-near-black);
}

/* ================================================================
   WHY CHOOSE US
   ================================================================ */
.why-us-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.why-us-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-off-white);
  border-radius: var(--radius-md);
}

.why-us-item__icon {
  color: var(--color-accent);
  font-size: var(--fs-xl);
}

/* ================================================================
   PROGRAM CARDS (Summer Programs)
   ================================================================ */
.programs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.program-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}
.program-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.program-card__image {
  height: 200px;
  background-size: cover;
  background-position: center;
}

.program-card__body {
  padding: var(--space-6);
}

.program-card__title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-3);
}

.program-card__desc {
  color: var(--color-dark-gray);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-4);
  line-height: var(--lh-relaxed);
}

.program-card__age {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-4);
}

/* ================================================================
   TOAST NOTIFICATIONS
   ================================================================ */
.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  color: var(--color-white);
  font-weight: var(--fw-semibold);
  animation: slideInUp 0.3s ease;
  box-shadow: var(--shadow-lg);
}

.toast--success { background: var(--color-success); }
.toast--error { background: var(--color-danger); }

@keyframes slideInUp {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ================================================================
   LANDING PAGE — Παιδικά Τμήματα Πληροφορικής
   (Hero, Highlights, Thematics, Gallery, Pathways, Form)
   ================================================================ */
fieldset { border: 0; }

/* --- Landing Hero --- */
.landing-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, var(--color-accent-dark) 130%);
  color: var(--color-white);
  padding: var(--space-16) 0 var(--space-20);
}
.landing-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}
.landing-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-6);
  max-width: 100%;
}
.landing-hero__title {
  color: var(--color-white);
  font-size: var(--fs-3xl);
  font-weight: var(--fw-extrabold);
  line-height: var(--lh-tight);
  margin-bottom: var(--space-4);
}
.landing-hero__subtitle {
  color: rgba(255,255,255,0.92);
  font-size: var(--fs-md);
  line-height: var(--lh-relaxed);
  max-width: 620px;
  margin-bottom: var(--space-8);
}
.landing-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.landing-hero__media {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 6px solid rgba(255,255,255,0.16);
}
.landing-hero__media img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
}

/* --- Laptop promo banner --- */
.laptop-promo {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: center;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
  color: var(--color-white);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
}
.laptop-promo__media img {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}
.laptop-promo__title {
  color: var(--color-white);
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-4);
}
.laptop-promo__text {
  margin-bottom: var(--space-4);
  font-size: var(--fs-md);
  color: rgba(255,255,255,0.95);
}
.laptop-promo__note {
  font-size: var(--fs-sm);
  opacity: 0.9;
  color: rgba(255,255,255,0.92);
}

/* --- Key Highlights Grid --- */
.highlights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
.highlight-card {
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.highlight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.highlight-card__icon {
  font-size: 2.25rem;
  margin-bottom: var(--space-3);
}
.highlight-card__title {
  font-size: var(--fs-md);
  margin-bottom: var(--space-2);
}
.highlight-card__text {
  color: var(--color-dark-gray);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
}

/* --- Thematics (always visible, color-coded) --- */
.thematic {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}
.thematic + .thematic {
  margin-top: var(--space-10);
}
.thematic__title {
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.thematic__lead {
  color: var(--color-dark-gray);
  font-size: var(--fs-md);
  margin-bottom: var(--space-8);
}
.thematic__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  text-align: left;
}
.thematic-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-off-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-md);
}
.thematic-item__icon {
  font-size: var(--fs-xl);
  flex-shrink: 0;
}
.thematic-item__title {
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-1);
}
.thematic-item__desc {
  color: var(--color-dark-gray);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
}

/* Thematic color variants (always visible) */
.thematic--programming {
  background: linear-gradient(135deg, #e7faf4 0%, #d1f4e9 100%);
  border: 2px solid var(--color-accent);
}
.thematic--programming .thematic__title { color: var(--color-accent-dark); }
.thematic--programming .thematic-item {
  background: var(--color-white);
  border-color: rgba(0, 184, 148, 0.25);
}
.thematic--office {
  background: linear-gradient(135deg, #e9f3ff 0%, #d6e8ff 100%);
  border: 2px solid var(--color-primary-light);
}
.thematic--office .thematic__title { color: var(--color-primary-dark); }
.thematic--office .thematic-item {
  background: var(--color-white);
  border-color: rgba(26, 115, 232, 0.25);
}
.thematic--multimedia {
  background: linear-gradient(135deg, #fdf0f8 0%, #f3e2fb 100%);
  border: 2px solid #c084d6;
}
.thematic--multimedia .thematic__title { color: #8e44ad; }
.thematic--multimedia .thematic-item {
  background: var(--color-white);
  border-color: rgba(142, 68, 173, 0.25);
}

/* --- Project-Based Learning (Methodology) --- */
.pbl {
  background: linear-gradient(180deg, var(--color-white) 0%, #eef4ff 100%);
}
.pbl-intro {
  max-width: 820px;
  margin: 0 auto var(--space-10);
  font-size: var(--fs-md);
  line-height: var(--lh-relaxed);
  text-align: center;
  color: var(--color-dark-gray);
}
.pbl-intro p + p {
  margin-top: var(--space-4);
}
.pbl-subheading {
  text-align: center;
  color: var(--color-primary);
  margin-bottom: var(--space-10);
}
.pbl-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
.pbl-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-top: 4px solid var(--color-primary-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.pbl-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.pbl-card__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.pbl-card__icon {
  font-size: 2rem;
  flex-shrink: 0;
  line-height: 1;
}
.pbl-card__title {
  font-size: var(--fs-md);
  margin-bottom: var(--space-2);
}
.pbl-card__tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-off-white);
  color: var(--color-primary);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-full);
}
.pbl-card__body {
  flex: 1;
}
.pbl-card__label {
  font-weight: var(--fw-bold);
  font-size: var(--fs-sm);
  color: var(--color-near-black);
  margin-bottom: var(--space-1);
}
.pbl-card__text {
  color: var(--color-dark-gray);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-4);
}
.pbl-closing {
  margin-top: var(--space-12);
  padding: var(--space-8);
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  text-align: center;
  font-size: var(--fs-md);
  line-height: var(--lh-relaxed);
}
.pbl-closing p { color: var(--color-white); }

/* --- Gallery --- */
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.gallery-item img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.gallery-item:hover img {
  transform: scale(1.04);
}
.gallery-item figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--space-4);
  background: linear-gradient(transparent, rgba(0,0,0,0.78));
  color: var(--color-white);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  text-align: left;
}

/* --- Checklist (Pathway cards) --- */
.check-list {
  margin-bottom: var(--space-6);
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--color-dark-gray);
  line-height: var(--lh-relaxed);
}
.check-list li::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: var(--fw-bold);
  flex-shrink: 0;
}

/* --- Pathway cards (Εκπαιδευτικές Διαδρομές ανά Ηλικία) --- */
.pathway-tagline {
  font-size: var(--fs-sm);
  font-style: italic;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.pathway-list {
  margin-bottom: var(--space-6);
}
.pathway-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--color-dark-gray);
  line-height: var(--lh-relaxed);
}
.pathway-list__icon {
  flex-shrink: 0;
}

/* --- Robotics pathway grid (2 side-by-side cards) --- */
.services-grid.robotics-path-grid {
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}
@media (min-width: 640px) {
  .services-grid.robotics-path-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .services-grid.robotics-path-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Form checkboxes --- */
.form-checkbox-group {
  display: grid;
  gap: var(--space-2);
}
.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  cursor: pointer;
  line-height: var(--lh-normal);
}
.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
}

/* --- Form radio (robotics experience) --- */
.form-radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
}
.form-radio {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  cursor: pointer;
  line-height: var(--lh-normal);
}
.form-radio input[type="radio"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
}

/* --- Landing page responsive --- */
@media (min-width: 640px) {
  .highlights-grid { grid-template-columns: repeat(2, 1fr); }
  .thematic { padding: var(--space-10); }
  .thematic__grid { grid-template-columns: repeat(2, 1fr); }
  .pbl-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid.pathways-grid { grid-template-columns: repeat(2, 1fr); }
  .laptop-promo { grid-template-columns: 0.9fr 1.1fr; text-align: left; padding: var(--space-10); }
  .laptop-promo__media img { max-width: 100%; margin: 0; }
}
@media (min-width: 1024px) {
  .landing-hero { padding: var(--space-20) 0; }
  .landing-hero__grid { grid-template-columns: 1.1fr 0.9fr; }
  .landing-hero__title { font-size: var(--fs-hero); }
  .landing-hero__media img { min-height: 380px; }
  .highlights-grid { grid-template-columns: repeat(4, 1fr); }
  .pbl-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .services-grid.pathways-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ================================================================
   RESPONSIVE - Tablet (≥ 640px)
   ================================================================ */
@media (min-width: 640px) {
  :root {
    --header-height: 80px;
  }

  .header {
    height: var(--header-height);
  }

  .hero {
    height: 500px;
    max-height: 600px;
  }
  .hero__title {
    font-size: var(--fs-3xl);
  }

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

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

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

  .form-row {
    grid-template-columns: 1fr 1fr;
  }

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

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

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

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

  .course-hero {
    grid-template-columns: 1fr 1fr;
  }

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

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

  h1 { font-size: var(--fs-3xl); }
  h2 { font-size: var(--fs-2xl); }
  .section-title { font-size: var(--fs-2xl); }
}

/* ================================================================
   RESPONSIVE - Desktop (≥ 1024px)
   ================================================================ */
@media (min-width: 1024px) {
  .header__logo img {
    height: 58px;
  }

  .nav {
    display: flex;
    position: static;
    flex-direction: row;
    box-shadow: none;
    padding: 0;
    max-height: none;
    overflow: visible;
    background: transparent;
  }

  .nav__list {
    flex-direction: row;
    gap: var(--space-1);
  }

  .nav__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: var(--space-2) 0;
  }
  .nav__dropdown .nav__link {
    padding: var(--space-2) var(--space-4);
  }

  .hamburger {
    display: none;
  }

  .header__social {
    display: flex;
    gap: var(--space-2);
  }
  .header__social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-off-white);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark-gray);
    font-size: var(--fs-md);
    transition: all var(--transition-fast);
  }
  .header__social a:hover {
    background: var(--color-primary);
    color: var(--color-white);
  }

  .header__phone-btn {
    font-size: var(--fs-base);
    padding: var(--space-3) var(--space-5);
  }

  .hero {
    height: 550px;
    max-height: 650px;
  }
  .hero__title {
    font-size: var(--fs-hero);
  }
  .hero__subtitle {
    font-size: var(--fs-lg);
  }

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

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

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

  .contact-wrapper {
    grid-template-columns: 1fr 1fr;
  }

  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .activities-grid {
    grid-template-columns: repeat(5, 1fr);
  }

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

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

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

  h1 { font-size: var(--fs-4xl); }
  h2 { font-size: var(--fs-3xl); }
  .section-title { font-size: var(--fs-3xl); }
}

/* ================================================================
   RESPONSIVE - Wide (≥ 1280px)
   ================================================================ */
@media (min-width: 1280px) {
  .hero {
    height: 600px;
    max-height: 700px;
  }
}

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================================
   BACK TO TOP
   ================================================================ */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xl);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: var(--z-sticky);
  cursor: pointer;
}
.back-to-top--visible {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover {
  background: var(--color-primary-dark);
}

/* ================================================================
   COOKIE CONSENT
   ================================================================ */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-charcoal);
  color: var(--color-white);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  z-index: var(--z-toast);
  font-size: var(--fs-sm);
}

/* ================================================================
   PRINT STYLES
   ================================================================ */
@media print {
  .header, .footer, .hero, .back-to-top, .cookie-consent,
  .contact-form, .map-container {
    display: none !important;
  }
}