@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --color-brand:        #1047A0;
  --color-navy:         #0A2540;
  --color-electric:     #0071E3;
  --color-bg-section:   #F5F5F7;
  --color-bg-card:      #FFFFFF;
  --color-neutral:      #86868B;
  --color-border:       #D2D2D7;
  --color-text-primary: #0A2540;
  --color-text-on-dark: #FFFFFF;
  --color-success:      #1D7340;
  --color-error:        #C0392B;
  --color-brand-text:   #1047A0;
  --color-bg-pill:      #E8F0FB;

  --space-xs:  8px;
  --space-sm:  16px;
  --space-md:  24px;
  --space-lg:  40px;
  --space-xl:  64px;
  --space-2xl: 96px;
  --space-3xl: 128px;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-pill: 100px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-nav:  0 1px 12px rgba(0,0,0,0.08);
  --shadow-dropdown: 0 8px 32px rgba(0,0,0,0.10);

  --transition-base: 150ms ease-in-out;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-bg-card);
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; }

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

/* Display / Hero */
.display {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  letter-spacing: -0.022em;
  line-height: 1.1;
}
h1 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 600;
  letter-spacing: -0.022em;
  line-height: 1.15;
}
h2 {
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 600;
  letter-spacing: -0.018em;
  line-height: 1.2;
}
h3 {
  font-size: clamp(20px, 2vw, 24px);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.3;
}
h4 {
  font-size: clamp(16px, 1.5vw, 18px);
  font-weight: 600;
  letter-spacing: 0em;
  line-height: 1.35;
}
p { line-height: 1.6; }
.body-large { font-size: 18px; line-height: 1.65; }
.caption { font-size: 13px; font-weight: 500; letter-spacing: 0.02em; line-height: 1.4; }
.stat-number {
  font-size: clamp(36px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}
.text-on-dark { color: var(--color-text-on-dark); }
.text-neutral  { color: var(--color-neutral); }
.text-brand    { color: var(--color-brand-text); }
.text-electric { color: var(--color-electric); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 1024px) {
  .container { padding: 0 80px; }
}

.section        { padding: var(--space-2xl) 0; }
.section--dark  { background: var(--color-navy); }
.section--brand { background: var(--color-brand); }
.section--light { background: var(--color-bg-section); }
.section--white { background: var(--color-bg-card); }

/* Grids */
.grid-2, .grid-3, .grid-4 {
  display: grid;
  gap: 24px;
}
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

@media (min-width: 480px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-brand);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-brand);
  transition: background var(--transition-base), transform var(--transition-base);
  white-space: nowrap;
}
.btn-primary:hover  { background: #0D3D8A; border-color: #0D3D8A; }
.btn-primary:active { background: #0A2F6E; transform: scale(0.97); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--color-brand-text);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-brand-text);
  transition: background var(--transition-base), color var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
  white-space: nowrap;
}
.btn-secondary:hover  { background: var(--color-brand-text); color: #fff; }
.btn-secondary:active { transform: scale(0.97); }

.btn-secondary--on-dark {
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn-secondary--on-dark:hover { background: rgba(255,255,255,0.15); color: #fff; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  color: var(--color-electric);
  font-size: 15px;
  font-weight: 500;
  transition: text-decoration var(--transition-base);
  cursor: pointer;
}
.btn-ghost:hover { text-decoration: underline; }
.btn-ghost--on-dark { color: rgba(255,255,255,0.8); }
.btn-ghost--on-dark:hover { color: #fff; }

.pill {
  display: inline-block;
  background: var(--color-bg-pill);
  color: var(--color-brand-text);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  transition: background var(--transition-base), color var(--transition-base);
}
.pill--on-dark {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: box-shadow var(--transition-base);
}
.card:hover { box-shadow: var(--shadow-card); }

.card--program {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  display: flex;
  flex-direction: column;
}
.card--program:hover { box-shadow: var(--shadow-card); transform: translateY(-2px); }
.card--program__accent { height: 4px; background: var(--color-brand); }
.card--program__image { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.card--program__body { padding: 24px; flex: 1; display: flex; flex-direction: column; gap: 12px; }
.card--program__title { font-size: 18px; font-weight: 600; }
.card--program__text  { color: var(--color-neutral); font-size: 15px; line-height: 1.6; flex: 1; }

.card--project {
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.card--project:hover { box-shadow: var(--shadow-card); transform: translateY(-2px); }
.card--project__image { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 8px 8px 0 0; }
.card--project__body  { padding: 24px; flex: 1; display: flex; flex-direction: column; gap: 12px; }
.card--project__tags  { display: flex; flex-wrap: wrap; gap: 8px; }
.card--project__title { font-size: 18px; font-weight: 600; }
.card--project__text  { color: var(--color-neutral); font-size: 15px; line-height: 1.6; flex: 1; }
.card--project__links { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 8px; }

.card--stat {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  text-align: center;
  color: #fff;
}
.card--stat .stat-label { font-size: 14px; font-weight: 500; opacity: 0.8; margin-top: 8px; }

.card--testimonial {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-electric);
  border-radius: var(--radius-md);
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 28px;
  transition: box-shadow var(--transition-base);
}
.card--testimonial:hover { box-shadow: var(--shadow-card); }
.card--testimonial__quote { font-size: 16px; line-height: 1.75; color: var(--color-text-primary); font-style: italic; flex: 1; }
.card--testimonial__author { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.card--testimonial__avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--color-bg-section);
  flex-shrink: 0;
}
.card--testimonial__name { font-weight: 600; font-size: 15px; }
.card--testimonial__role { font-size: 13px; color: var(--color-neutral); }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-primary);
}
.form-input {
  height: 48px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0 16px;
  font-size: 15px;
  color: var(--color-text-primary);
  background: var(--color-bg-card);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base), color var(--transition-base);
  outline: none;
}
.form-input::placeholder { color: var(--color-neutral); }
.form-input:focus {
  border-color: var(--color-electric);
  border-width: 2px;
  box-shadow: 0 0 0 3px rgba(0,113,227,0.12);
}
.form-input.error { border-color: var(--color-error); }
.form-error { font-size: 13px; color: var(--color-error); margin-top: 4px; }
.form-success { font-size: 13px; color: var(--color-success); margin-top: 4px; }

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.section-header h2 { color: var(--color-text-primary); }
.section-header--on-dark h2,
.section-header--on-dark p { color: var(--color-text-on-dark); }
.section-header--on-dark p { opacity: 0.8; }
.section-header p { max-width: 640px; color: var(--color-neutral); font-size: 16px; }

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--color-brand);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 9999;
  transition: top 0.2s;
}
.skip-link:focus { top: 16px; }

.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-neutral);
  font-size: 13px;
  font-weight: 500;
}
.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.partner-logo-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 48px 64px;
}
.partner-logo-grid img {
  max-height: 56px;
  width: auto;
  filter: grayscale(1);
  opacity: 0.7;
  transition: filter var(--transition-base), opacity var(--transition-base);
}
.partner-logo-grid img:hover { filter: none; opacity: 1; }

.newsletter-form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
}
.newsletter-form .form-input {
  flex: 1;
  min-width: 220px;
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.3);
  color: #fff;
}
.newsletter-form .form-input::placeholder { color: rgba(255,255,255,0.5); }
.newsletter-form .form-input:focus {
  border-color: #fff;
  box-shadow: none;
}

.cookie-notice {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--color-navy);
  color: #fff;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  z-index: 9000;
  font-size: 14px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.cookie-notice.hidden { display: none; }

:focus-visible {
  outline: 2px solid var(--color-electric);
  outline-offset: 2px;
}

.text-center { text-align: center; }
.mt-xs  { margin-top: var(--space-xs); }
.mt-sm  { margin-top: var(--space-sm); }
.mt-md  { margin-top: var(--space-md); }
.mt-lg  { margin-top: var(--space-lg); }
.flex   { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }