/* ==========================================================================
   TAROS — AI Safety Platform for the Enterprise
   jamberi brand theme
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS custom properties — jamberi brand colors
   -------------------------------------------------------------------------- */
:root {
  /* Brand */
  --color-brand-primary: #0092D5;
  --color-brand-primary-hover: #007ab8;
  --color-brand-secondary: #FFD500;
  --color-brand-dark: #231F20;

  /* Backgrounds */
  --color-bg: #FFFFFF;
  --color-bg-elevated: #f5f5f5;
  --color-bg-muted: #fafafa;
  --color-surface: #FFFFFF;

  /* Borders */
  --color-border: #e0e0e0;
  --color-border-subtle: #eeeeee;

  /* Text */
  --color-text: #231F20;
  --color-text-muted: #555555;
  --color-text-faint: #777777;
  --color-text-on-primary: #FFFFFF;
  --color-text-on-primary-muted: rgba(255, 255, 255, 0.85);
  --color-text-on-primary-soft: rgba(255, 255, 255, 0.9);

  /* Semantic aliases for links/accents (brand primary) */
  --color-accent: var(--color-brand-primary);
  --color-accent-hover: var(--color-brand-primary-hover);

  /* Typography */
  --font-heading: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;

  /* Spacing & layout */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  --container-max: 72rem;
  --container-narrow: 48rem;
  --content-max: 65ch;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.15s var(--ease-out);
  --transition-base: 0.25s var(--ease-out);
}

/* --------------------------------------------------------------------------
   Reset & base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--color-brand-primary-hover);
}

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

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  letter-spacing: -0.015em;
  margin-bottom: var(--space-xl);
  color: var(--color-text);
}

h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

p {
  margin-top: 0;
  margin-bottom: var(--space-md);
  max-width: var(--content-max);
}

p:last-child {
  margin-bottom: 0;
}

.lead {
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

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

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

.section {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
}

.section--hero {
  padding-top: var(--space-5xl);
  padding-bottom: var(--space-5xl);
}

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

/* --------------------------------------------------------------------------
   TAROS intro animation (iframe embed)
   Uses site theme variables; iframe loads animation when section is in view.
   -------------------------------------------------------------------------- */
.intro-animation {
  background-color: var(--color-bg);
}

.intro-animation__header {
  margin-bottom: var(--space-xl);
}

.intro-animation__title {
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.intro-animation__desc {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
  max-width: var(--content-max);
}

.intro-animation__wrapper {
  position: relative;
  width: 100%;
  min-height: 320px;
  height: 70vh;
  max-height: 720px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: 8px;
  overflow: hidden;
}

/* Scale wrapper: render animation larger then scale down so full frame fits. Base = large desktops. */
.intro-animation__scale {
  position: absolute;
  top: 0;
  left: 0;
  width: 117.65%;   /* 100 / 0.85 */
  height: 117.65%;
  transform: scale(0.85);
  transform-origin: top left;
}

.intro-animation__iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.intro-animation__hint {
  margin-top: var(--space-md);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* Responsive scale: smaller viewports get more zoom-out so the full animation frame stays visible */

/* Medium desktops / large laptops */
@media (max-width: 1200px) {
  .intro-animation__scale {
    width: 121.95%;
    height: 121.95%;
    transform: scale(0.82);
  }
}

/* Laptops / small desktops */
@media (max-width: 992px) {
  .intro-animation__scale {
    width: 128.21%;
    height: 128.21%;
    transform: scale(0.78);
  }
}

/* Tablets portrait, large phones */
@media (max-width: 768px) {
  .intro-animation__wrapper {
    min-height: 280px;
    height: 60vh;
    max-height: 500px;
  }

  .intro-animation__scale {
    width: 142.86%;
    height: 142.86%;
    transform: scale(0.7);
  }
}

/* Small phones */
@media (max-width: 480px) {
  .intro-animation__wrapper {
    min-height: 260px;
    height: 55vh;
    max-height: 420px;
  }

  .intro-animation__scale {
    width: 166.67%;
    height: 166.67%;
    transform: scale(0.6);
  }
}

/* --------------------------------------------------------------------------
   Header & navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-brand-primary);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-brand-dark);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  padding-bottom: var(--space-md);
  min-height: 4rem;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.375rem;
  letter-spacing: -0.02em;
  color: var(--color-text-on-primary);
  text-decoration: none;
}

.logo__by {
  font-size: 0.5em;
  font-weight: 500;
  color: var(--color-text-on-primary-muted);
  letter-spacing: 0.02em;
}

.logo:hover {
  color: var(--color-text-on-primary);
  opacity: 0.9;
}

.logo:hover .logo__by {
  color: var(--color-text-on-primary-muted);
}

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

.nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-on-primary-soft);
}

.nav a:hover {
  color: var(--color-brand-secondary);
}

.nav a[href].nav__current {
  color: var(--color-text-on-primary);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--space-sm);
  color: var(--color-text-on-primary);
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-brand-secondary);
  outline-offset: 2px;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-lg);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    gap: 0;
  }

  .nav[aria-hidden="true"] {
    display: none;
  }

  .nav a {
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border-subtle);
    color: var(--color-text);
  }

  .nav a:hover {
    color: var(--color-brand-primary);
  }

  .nav a.nav__current {
    color: var(--color-brand-primary);
  }

  .nav a:last-child {
    border-bottom: none;
  }
}

@media (min-width: 769px) {
  .nav {
    display: flex !important;
  }
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  text-align: center;
}

.hero__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-brand-dark);
  background-color: var(--color-brand-secondary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  margin-bottom: var(--space-lg);
}

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

.hero__subtitle {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  color: var(--color-text-muted);
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-2xl);
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-on-primary);
  background-color: var(--color-brand-primary);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.hero__cta:hover {
  background-color: var(--color-brand-primary-hover);
  color: var(--color-text-on-primary);
}

.hero__cta:focus-visible {
  outline: 2px solid var(--color-brand-dark);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   Content sections
   -------------------------------------------------------------------------- */
.section__header {
  margin-bottom: var(--space-2xl);
}

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

.section__intro {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: var(--content-max);
}

/* Grid of cards / pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.pillar {
  padding: var(--space-xl);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: 8px;
  transition: border-color var(--transition-base);
}

.pillar:hover {
  border-color: var(--color-border);
}

.pillar__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.pillar__text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* List of gains */
.gains-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.gains-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
}

.gains-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-brand-primary);
}

/* Who it's for */
.audience {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.audience__item {
  padding: var(--space-lg);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: 6px;
}

.audience__item strong {
  display: block;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.audience__item span {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   CTA block
   -------------------------------------------------------------------------- */
.cta-block {
  text-align: center;
  padding: var(--space-4xl) var(--space-lg);
  background-color: var(--color-bg-muted);
  border: 1px solid var(--color-border-subtle);
  border-radius: 12px;
}

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

.cta-block__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  margin-left: auto;
  margin-right: auto;
}

.cta-block__link {
  display: inline-block;
  font-weight: 600;
  color: var(--color-brand-primary);
}

.cta-block__link:hover {
  color: var(--color-brand-primary-hover);
}

.cta-block__link:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
}

.cta-block__link::after {
  content: " →";
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  margin-top: var(--space-5xl);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-top: 1px solid var(--color-border-subtle);
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer-nav a {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.footer-nav a:hover {
  color: var(--color-text);
}

.footer-copy {
  font-size: 0.875rem;
  color: var(--color-text-faint);
}

/* --------------------------------------------------------------------------
   Page headers (inner pages)
   -------------------------------------------------------------------------- */
.page-header {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border-subtle);
}

.page-header h1 {
  margin-bottom: var(--space-sm);
}

.page-header .lead {
  margin-bottom: 0;
}

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