/* ============================================================
   main.css — Nazara Technologies Investor Relations
   Global reset, design tokens, layout, header, footer,
   navigation, animation helpers, responsive breakpoints.
   ============================================================ */

/* Google Fonts loaded via <link> in HTML — no @import here to avoid blocking waterfall */

/* ------------------------------------------------------------
   CSS Reset / Normalize
   ------------------------------------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

ul, ol {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ------------------------------------------------------------
   CSS Custom Properties — Design Tokens
   ------------------------------------------------------------ */
:root {
  /* Colors */
  --color-navy:        #282A74;
  --color-navy-deep:   #1e2060;
  --color-navy-mid:    #323580;
  --color-navy-light:  #3a3e8f;
  --color-accent:      #282A74;
  --color-accent-hover:#1e2060;
  --color-gold:        #f0a500;
  --color-white:       #ffffff;
  --color-off-white:   #f5f5f7;
  --color-light-gray:  #e8e8ee;
  --color-mid-gray:    #b0b0c0;
  --color-dark-gray:   #808080;
  --color-text:        #313131;
  --color-text-muted:  #808080;
  --color-bg:          #ffffff;
  --color-bg-alt:      #f5f5f7;
  --color-border:      #e0e0ea;
  --color-border-dark: #c8c8d8;

  /* Typography */
  --font-heading: 'Pathway Extreme', sans-serif;
  --font-body:    'Work Sans', sans-serif;

  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.875rem;   /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-md:   1.125rem;   /* 18px */
  --text-lg:   1.25rem;    /* 20px */
  --text-xl:   1.5rem;     /* 24px */
  --text-2xl:  1.875rem;   /* 30px */
  --text-3xl:  2.25rem;    /* 36px */
  --text-4xl:  3rem;       /* 48px */
  --text-5xl:  3.75rem;    /* 60px */

  --leading-tight:  1.2;
  --leading-snug:   1.375;
  --leading-normal: 1.6;
  --leading-relaxed:1.75;

  --weight-light:   300;
  --weight-regular: 400;
  --weight-medium:  500;
  --weight-semibold:600;
  --weight-bold:    700;
  --weight-extrabold:800;

  /* 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;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --max-width:        1200px;
  --max-width-narrow: 800px;
  --container-px:     var(--space-10);
  --container-px-sm:  var(--space-6);

  /* Header */
  --header-height:    72px;
  --header-height-sm: 60px;

  /* Borders */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-full: 9999px;
  --border-width: 1px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.08);
  --shadow-lg:  0 10px 30px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.08);
  --shadow-xl:  0 20px 50px rgba(0,0,0,0.16);

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

  /* Z-index scale */
  --z-below:   -1;
  --z-base:     0;
  --z-raised:   10;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-modal:    300;
  --z-toast:    400;

  /* Breakpoints (reference — use in media queries) */
  --bp-mobile: 767px;
  --bp-tablet: 1024px;
}

/* ------------------------------------------------------------
   Page Layout
   ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page-main {
  flex: 1;
  padding-top: var(--header-height);
}

.section {
  padding-block: var(--space-16);
}

/* Content area below hero — needs breathing room */
main > .section,
main > section:not(.hero) {
  padding-top: var(--space-12);
  padding-bottom: var(--space-16);
}

main > .hero + .section,
main > .hero + section {
  padding-top: var(--space-12);
}

.section--sm {
  padding-block: var(--space-10);
}

.section--lg {
  padding-block: var(--space-24);
}

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

/* ------------------------------------------------------------
   Header
   ------------------------------------------------------------ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: #ffffff;
  z-index: var(--z-sticky);
  border-bottom: 1px solid #e0e0ea;
  transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
  background-color: #ffffff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

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

/* Logo */
.site-header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
  text-decoration: none;
}

.site-header__logo-img {
  height: 38px;
  width: auto;
}

.site-header__logo-divider {
  width: 1px;
  height: 28px;
  background-color: #e0e0ea;
  flex-shrink: 0;
}

.site-header__logo-label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: #313131;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Navigation */
.site-nav {
  display: flex;
  align-items: center;
  gap: 0;
}

.site-nav__link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: #555;
  padding: var(--space-2) var(--space-3);
  transition: color var(--transition-fast);
  white-space: nowrap;
  position: relative;
}

.site-nav__link::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: var(--space-3);
  right: var(--space-3);
  height: 2px;
  background-color: #282A74;
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.site-nav__link:hover {
  color: #282A74;
}

.site-nav__link:hover::after {
  transform: scaleX(1);
}

.site-nav__link.active {
  color: #282A74;
  font-weight: var(--weight-semibold);
}

.site-nav__link.active::after {
  transform: scaleX(1);
}

/* Mobile menu toggle */
.site-header__menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: none;
  border: none;
}

.site-header__menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #313131;
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-header__menu-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.site-header__menu-toggle.open span:nth-child(2) {
  opacity: 0;
}
.site-header__menu-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.site-footer {
  background-color: #282A74;
  color: rgba(255,255,255,0.9);
  margin-top: var(--space-20);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.site-footer__col-title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-5);
}

/* Contact column */
.site-footer__company-name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.site-footer__contact-line {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
  margin-bottom: var(--space-2);
  line-height: var(--leading-relaxed);
}

.site-footer__contact-link {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer__contact-link:hover {
  color: var(--color-white);
  text-decoration: underline;
}

/* Social links */
.site-footer__social-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.site-footer__social-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer__social-link:hover {
  color: var(--color-white);
}

.site-footer__social-icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
  flex-shrink: 0;
}

.site-footer__social-icon-img {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  filter: brightness(0) invert(1);
  opacity: 0.75;
}

.site-footer__social-link:hover .site-footer__social-icon-img {
  opacity: 1;
}

.site-footer__badge {
  margin-top: var(--space-5);
  max-width: 70px;
  height: auto;
  display: block;
}

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

.site-footer__nav-link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer__nav-link:hover {
  color: var(--color-white);
}

/* RTA column */
.site-footer__rta-desc {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.site-footer__rta-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-gold);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer__rta-link:hover {
  color: var(--color-white);
  text-decoration: underline;
}

/* Footer bottom bar */
.site-footer__bottom {
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.site-footer__copyright {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
}

.site-footer__legal-links {
  display: flex;
  gap: var(--space-5);
}

.site-footer__legal-link {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer__legal-link:hover {
  color: rgba(255,255,255,0.7);
}

/* ------------------------------------------------------------
   Animation / Scroll Reveal
   ------------------------------------------------------------ */

/* Fade-in on scroll — add .fade-in to any element */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow),
              transform var(--transition-slow);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.fade-in-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow),
              transform var(--transition-slow);
}

.fade-in-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-children.visible > *:nth-child(1) { transition-delay: 0ms; }
.fade-in-children.visible > *:nth-child(2) { transition-delay: 80ms; }
.fade-in-children.visible > *:nth-child(3) { transition-delay: 160ms; }
.fade-in-children.visible > *:nth-child(4) { transition-delay: 240ms; }
.fade-in-children.visible > *:nth-child(5) { transition-delay: 320ms; }
.fade-in-children.visible > *:nth-child(6) { transition-delay: 400ms; }

/* Slide-in from left */
.slide-in-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity var(--transition-slow),
              transform var(--transition-slow);
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Scale-in */
.scale-in {
  opacity: 0;
  transform: scale(0.96);
  transition: opacity var(--transition-slow),
              transform var(--transition-slow);
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Scroll observer activation (JS hooks these classes) */
/* Default: content is fully visible — no opacity:0 trap.
   The JS observer adds .animate-ready before animating, so we
   only hide elements once the observer is confirmed active. */
[data-animate] {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

/* JS adds .animate-ready to <body> once IntersectionObserver is set up */
.animate-ready [data-animate] {
  opacity: 0;
  transform: translateY(20px);
}

[data-animate].animated {
  opacity: 1;
  transform: translateY(0);
}

/* ------------------------------------------------------------
   Typography Utilities
   ------------------------------------------------------------ */
.text-heading {
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  color: var(--color-navy);
}

.text-heading--light {
  color: var(--color-white);
}

.text-muted {
  color: var(--color-text-muted);
}

.text-accent {
  color: var(--color-accent);
}

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

/* ------------------------------------------------------------
   Button Utilities
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: 1;
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-6);
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              box-shadow var(--transition-fast),
              transform var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  white-space: nowrap;
}

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

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

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

.btn--secondary {
  background-color: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

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

.btn--ghost {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

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

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

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

/* ------------------------------------------------------------
   Utility Classes
   ------------------------------------------------------------ */
.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;
}

.hidden { display: none !important; }
.flex   { display: flex; }
.grid   { display: grid; }
.block  { display: block; }

.mt-auto { margin-top: auto; }
.ml-auto { margin-left: auto; }

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin-block: var(--space-8);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: calc(var(--z-toast) + 1);
  font-weight: var(--weight-semibold);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* ------------------------------------------------------------
   Responsive — Tablet & below (hamburger nav for all ≤1024px)
   ------------------------------------------------------------ */
@media (max-width: 1024px) {
  .site-header__menu-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: #ffffff;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4);
    gap: var(--space-1);
    border-bottom: 1px solid #e0e0ea;
    box-shadow: var(--shadow-lg);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav__link {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    color: #555;
  }

  .site-nav__link::after {
    display: none;
  }

  .site-nav__link.active {
    color: #282A74;
    background-color: rgba(40,42,116,0.06);
    border-radius: var(--radius-md);
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

/* ------------------------------------------------------------
   Responsive — Mobile (≤767px)
   ------------------------------------------------------------ */
@media (max-width: 767px) {
  :root {
    --container-px: var(--space-5);
    --header-height: var(--header-height-sm);
  }

  .site-nav {
    top: var(--header-height-sm);
  }

  /* Footer */
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  /* Sections */
  .section {
    padding-block: var(--space-10);
  }

  .section--lg {
    padding-block: var(--space-16);
  }
}

/* Print */
@media print {
  .site-header,
  .site-footer,
  .btn {
    display: none !important;
  }

  .page-main {
    padding-top: 0;
  }

  body {
    font-size: 12pt;
    color: #000;
  }
}