/* ============================================
   IABK - Institut për Auditim të Brendshëm dhe Kontrolle
   CSS Variables & Base Styles
   ============================================ */

:root {
  /* Colors - Dark blue for trust & governance */
  --color-primary: #1a365d;
  --color-primary-dark: #0f2744;
  --color-primary-light: #2c5282;
  --color-accent: #2b6cb0;
  --color-accent-hover: #2c5282;
  
  /* Neutrals */
  --color-bg: #f7fafc;
  --color-bg-gray: #edf2f7;
  --color-white: #ffffff;
  --color-text: #2d3748;
  --color-text-muted: #4a5568;
  --color-border: #e2e8f0;
  
  /* Typography */
  --font-sans: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Spacing */
  --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;
  
  /* Layout */
  --container-max: 1200px;
  --header-height: 72px;
  --nav-toggle-size: 44px;
  
  /* Effects */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: 0.2s ease;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
img { max-width: 100%; height: auto; display: block; }

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .container { padding: 0 var(--space-6); }
}

/* ============================================
   HEADER & NAVIGATION (Sticky)
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: var(--space-4);
}

.nav__logo {
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: var(--font-size-xl);
  color: var(--color-primary);
}

.nav__logo-img {
  height: 48px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  object-position: left center;
}

.nav__logo-fallback {
  display: flex;
  align-items: center;
  font-weight: 700;
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: var(--nav-toggle-size);
  height: var(--nav-toggle-size);
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-primary);
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  transition: var(--transition);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__menu {
  display: none;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-white);
  flex-direction: column;
  padding: var(--space-4);
  box-shadow: var(--shadow-md);
  gap: var(--space-1);
}

.nav__menu.is-open {
  display: flex;
}

.nav__link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition), background var(--transition);
  border-radius: var(--radius);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-accent);
  background: rgba(43, 108, 176, 0.08);
}

.nav__lang {
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}

.lang-toggle {
  display: inline-flex;
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-gray);
  border: none;
  border-radius: var(--radius);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  color: var(--color-text);
  transition: background var(--transition);
}

.lang-toggle:hover {
  background: var(--color-border);
}

.lang-toggle .lang-current,
.lang-toggle .lang-alt {
  font-style: normal;
}

.lang-toggle .lang-current {
  color: var(--color-accent);
  font-weight: 600;
}

@media (min-width: 768px) {
  .nav__toggle { display: none; }
  
  .nav__menu {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    padding: 0;
    box-shadow: none;
    gap: 0;
  }
  
  .nav__link { padding: var(--space-2) var(--space-3); }
  
  .nav__lang {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
    margin-left: var(--space-2);
  }
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: var(--space-16) var(--space-4);
  text-align: center;
}

.hero__content {
  max-width: 720px;
  margin: 0 auto;
}

.hero__title {
  margin: 0 0 var(--space-4);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
}

.hero__slogan {
  margin: 0 0 var(--space-4);
  font-size: var(--font-size-xl);
  font-weight: 600;
  opacity: 0.95;
}

.hero__desc {
  margin: 0 0 var(--space-8);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  opacity: 0.9;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

@media (min-width: 640px) {
  .hero__title { font-size: var(--font-size-4xl); }
  .hero__slogan { font-size: var(--font-size-2xl); }
}

@media (min-width: 768px) {
  .hero { padding: var(--space-20) var(--space-6); }
  .hero__title { font-size: var(--font-size-5xl); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  border: none;
}

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

.btn--secondary {
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.8);
}

/* ============================================
   SECTIONS
   ============================================ */

.section {
  padding: var(--space-12) 0;
}

.section--gray {
  background: var(--color-bg-gray);
}

.section__title {
  margin: 0 0 var(--space-8);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
}

@media (min-width: 768px) {
  .section { padding: var(--space-16) 0; }
  .section__title { font-size: var(--font-size-3xl); }
}

/* ============================================
   PROGRAM CARDS
   ============================================ */

.programs__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  max-width: 100%;
}

a.program-card {
  display: block;
  text-decoration: none;
  color: inherit;
}

.program-card {
  background: var(--color-white);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
  min-height: 0;
}

.program-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.program-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-3);
  color: var(--color-accent);
}

.program-card__icon svg {
  width: 100%;
  height: 100%;
}

.program-card__title {
  margin: 0;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}

@media (min-width: 640px) {
  .programs__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }
}

@media (min-width: 1024px) {
  .programs__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }

  .program-card {
    padding: var(--space-6) var(--space-4);
  }

  .program-card__title {
    font-size: var(--font-size-lg);
  }
}

.program__cta {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   NEWS PLACEHOLDER
   ============================================ */

.news__placeholder {
  text-align: center;
  padding: var(--space-12);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--color-border);
}

.news__placeholder p {
  margin: 0;
  font-size: var(--font-size-xl);
  color: var(--color-text-muted);
}

/* ============================================
   GALLERY
   ============================================ */

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.gallery__item {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  overflow: hidden;
}

.gallery__item {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-bg-gray);
  box-shadow: var(--shadow-sm);
}

.gallery__item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.gallery__caption {
  margin: 0;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  background: var(--color-white);
  text-align: center;
}

.gallery__empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-8);
  color: var(--color-text-muted);
}

@media (min-width: 640px) {
  .gallery__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }
}

/* ============================================
   PARTNERS
   ============================================ */

.partners__strip {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  padding: var(--space-8);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--color-border);
}

.partners__placeholder {
  margin: 0;
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
}

/* ============================================
   PAGE HERO (Inner pages)
   ============================================ */

.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: var(--space-12) 0;
}

.page-hero__title {
  margin: 0;
  font-size: var(--font-size-2xl);
  font-weight: 700;
}

@media (min-width: 768px) {
  .page-hero { padding: var(--space-16) 0; }
  .page-hero__title { font-size: var(--font-size-3xl); }
}

/* ============================================
   ABOUT PAGE
   ============================================ */

.about__block {
  margin-bottom: var(--space-10);
}

.about__block:last-child {
  margin-bottom: 0;
}

.about__heading {
  margin: 0 0 var(--space-3);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.about__text {
  margin: 0;
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text);
}

.values__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.value-card {
  background: var(--color-white);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.value-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.value-card__icon {
  width: 56px;
  height: 56px;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}

.value-card__icon svg {
  width: 100%;
  height: 100%;
}

.value-card__title {
  margin: 0 0 var(--space-3);
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
}

.value-card__desc {
  margin: 0;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-muted);
  max-width: 320px;
}

@media (min-width: 640px) {
  .values__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .values__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .value-card__desc {
    max-width: none;
  }
}

@media (min-width: 1200px) {
  .values__grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.aims-list {
  max-width: 640px;
  margin: 0 auto;
}

.aims-list li {
  position: relative;
  padding-left: var(--space-6);
  margin-bottom: var(--space-3);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text);
}

.aims-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ============================================
   WORK PAGE
   ============================================ */

.work__intro {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-8);
  color: var(--color-text);
}

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

.training__item {
  background: var(--color-white);
  border-radius: var(--radius);
  font-weight: 500;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border-left: 4px solid var(--color-accent);
}

.training__img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
}

.training__item span {
  padding: var(--space-4) var(--space-6);
  display: block;
  flex: 1;
}

@media (min-width: 640px) {
  .training__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* ============================================
   COMING SOON
   ============================================ */

.coming-soon {
  text-align: center;
  padding: var(--space-16);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--color-border);
}

.coming-soon p {
  margin: 0;
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-text-muted);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background: var(--color-primary);
  color: var(--color-white);
  margin-top: var(--space-12);
}

.footer__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding: var(--space-8) var(--space-4);
}

.footer__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__address {
  margin: 0;
  font-size: var(--font-size-base);
  opacity: 0.95;
}

.footer__link {
  color: rgba(255, 255, 255, 0.9);
  transition: color var(--transition);
}

.footer__link:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.footer__link--icon {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.footer__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.footer__link--whatsapp .footer__icon {
  fill: #25D366;
}

.footer__link--viber .footer__icon {
  fill: #7360f2;
}

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

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  color: var(--color-white);
  transition: background var(--transition);
}

.footer__social a:hover {
  background: rgba(255, 255, 255, 0.25);
}

.footer__social svg {
  width: 20px;
  height: 20px;
}

.footer__bottom {
  padding: var(--space-4);
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer__bottom p {
  margin: 0;
  font-size: var(--font-size-sm);
  opacity: 0.85;
}

@media (min-width: 768px) {
  .footer__content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* ============================================
   SCROLL REVEAL (Optional enhancement)
   ============================================ */

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

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .program-card:hover,
  .btn:hover { transform: none; }
}