/* ============================================================
   PROJERA DESIGN SYSTEM — Design Tokens v1
   Shared across projera.com, consulting, institute, partners
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=IBM+Plex+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Inter:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  /* ── Color: Navy ── */
  --color-navy-primary:   #0B1B3A;
  --color-navy-deep:      #071326;
  --color-navy-midnight:  #040A18;
  --color-navy-steel:     #22314F;

  /* ── Color: Surface ── */
  --color-surface-white:  #FFFFFF;
  --color-surface-ice:    #F4F8FF;
  --color-surface-cloud:  #EEF3FA;
  --color-surface-line:   #DCE6F2;

  /* ── Color: Accent ── */
  --color-cyan:           #20D6FF;
  --color-cyan-soft:      rgba(32, 214, 255, 0.15);
  --color-cyan-glow:      rgba(32, 214, 255, 0.24);
  --color-magenta:        #E94BFF;
  --color-magenta-soft:   rgba(233, 75, 255, 0.12);
  --color-magenta-glow:   rgba(233, 75, 255, 0.20);
  --color-violet:         #7A5CFF;
  --color-violet-soft:    rgba(122, 92, 255, 0.12);

  /* ── Color: Status ── */
  --color-success:        #24B47E;
  --color-warning:        #F5A524;
  --color-risk:           #E5484D;
  --color-info:           #2F80ED;

  /* ── Typography ── */
  --font-heading:  'Space Grotesk', system-ui, sans-serif;
  --font-body:     'IBM Plex Sans', system-ui, sans-serif;
  --font-ui:       'Inter', system-ui, sans-serif;
  --font-mono:     'IBM Plex Mono', monospace;

  /* ── Type Scale ── */
  --text-display:  clamp(38px, 6vw, 64px);
  --text-h1:       clamp(32px, 5vw, 52px);
  --text-h2:       clamp(26px, 3.5vw, 40px);
  --text-h3:       clamp(20px, 2.5vw, 28px);
  --text-h4:       clamp(17px, 2vw, 22px);
  --text-body-lg:  clamp(17px, 1.5vw, 20px);
  --text-body:     clamp(15px, 1.2vw, 18px);
  --text-small:    clamp(13px, 1vw, 15px);
  --text-xs:       12px;
  --text-mono:     14px;

  /* Line heights */
  --lh-tight:   1.05;
  --lh-snug:    1.2;
  --lh-normal:  1.4;
  --lh-relaxed: 1.6;
  --lh-loose:   1.75;

  /* ── Spacing ── */
  --space-2xs:        4px;
  --space-xs:         8px;
  --space-sm:         12px;
  --space-md:         16px;
  --space-lg:         24px;
  --space-xl:         32px;
  --space-2xl:        48px;
  --space-3xl:        64px;
  --space-section-sm: 72px;
  --space-section-md: 96px;
  --space-section-lg: 128px;

  /* ── Border Radius ── */
  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  22px;
  --radius-xl:  32px;
  --radius-pill: 999px;

  /* ── Shadows ── */
  --shadow-soft:       0 12px 40px rgba(4, 10, 24, 0.10);
  --shadow-card:       0 18px 60px rgba(4, 10, 24, 0.16);
  --shadow-premium:    0 28px 90px rgba(4, 10, 24, 0.28);
  --shadow-glow-cyan:  0 0 40px rgba(32, 214, 255, 0.24);
  --shadow-glow-magenta: 0 0 40px rgba(233, 75, 255, 0.20);
  --shadow-glow-violet: 0 0 40px rgba(122, 92, 255, 0.18);

  /* ── Motion ── */
  --motion-instant:  80ms;
  --motion-fast:     140ms;
  --motion-base:     220ms;
  --motion-section:  420ms;
  --motion-slow:     700ms;
  --ease-standard:   cubic-bezier(0.2, 0.0, 0.2, 1);
  --ease-emphasized: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-exit:       cubic-bezier(0.4, 0.0, 1, 1);

  /* ── Layout ── */
  --container-wide:  1280px;
  --container-main:  1080px;
  --container-read:  780px;
  --container-form:  640px;
}

/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--lh-relaxed);
  color: var(--color-navy-primary);
  background: var(--color-surface-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: var(--lh-tight);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); font-weight: 600; }
h4 { font-size: var(--text-h4); font-weight: 600; }

p {
  line-height: var(--lh-relaxed);
}

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

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

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-main);
  margin-inline: auto;
  padding-inline: var(--space-xl);
}

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

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

@media (max-width: 768px) {
  .container {
    padding-inline: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .container {
    padding-inline: var(--space-md);
  }
}

/* ── Section ── */
.section {
  padding-block: var(--space-section-md);
}

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

.section-dark {
  background: var(--color-navy-primary);
  color: var(--color-surface-white);
}

.section-deeper {
  background: var(--color-navy-deep);
  color: var(--color-surface-white);
}

.section-midnight {
  background: var(--color-navy-midnight);
  color: var(--color-surface-white);
}

.section-ice {
  background: var(--color-surface-ice);
  color: var(--color-navy-primary);
}

.section-cloud {
  background: var(--color-surface-cloud);
  color: var(--color-navy-primary);
}

/* ── Eyebrow ── */
.eyebrow {
  font-family: var(--font-ui);
  font-size: var(--text-small);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: var(--space-sm);
}

.eyebrow--accent-cyan {
  color: var(--color-cyan);
  opacity: 1;
}

.eyebrow--accent-magenta {
  color: var(--color-magenta);
  opacity: 1;
}

.eyebrow--accent-violet {
  color: var(--color-violet);
  opacity: 1;
}

/* ── Section header ── */
.section-header {
  margin-bottom: var(--space-3xl);
}

.section-header--center {
  text-align: center;
}

.section-header__subtitle {
  font-size: var(--text-body-lg);
  line-height: var(--lh-relaxed);
  opacity: 0.8;
  margin-top: var(--space-lg);
  max-width: 65ch;
}

.section-header--center .section-header__subtitle {
  margin-inline: auto;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-xl);
  border-radius: var(--radius-pill);
  font-family: var(--font-ui);
  font-size: var(--text-small);
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: none;
  transition:
    transform var(--motion-fast) var(--ease-standard),
    box-shadow var(--motion-base) var(--ease-standard),
    background var(--motion-base) var(--ease-standard),
    opacity var(--motion-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 3px;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

/* Primary */
.btn-primary {
  background: var(--color-navy-primary);
  color: var(--color-surface-white);
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  background: var(--color-navy-steel);
  box-shadow: var(--shadow-card);
}

/* Cyan accent */
.btn-cyan {
  background: var(--color-cyan);
  color: var(--color-navy-midnight);
  font-weight: 700;
}

.btn-cyan:hover {
  box-shadow: var(--shadow-glow-cyan);
}

/* Magenta accent */
.btn-magenta {
  background: var(--color-magenta);
  color: var(--color-surface-white);
  font-weight: 700;
}

.btn-magenta:hover {
  box-shadow: var(--shadow-glow-magenta);
}

/* Outline */
.btn-outline {
  background: transparent;
  border: 1.5px solid currentColor;
  color: var(--color-navy-primary);
}

.btn-outline--white {
  color: var(--color-surface-white);
  border-color: rgba(255,255,255,0.4);
}

.btn-outline--white:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.7);
}

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--color-navy-primary);
  padding-inline: var(--space-md);
}

/* Size variants */
.btn-sm {
  padding: var(--space-xs) var(--space-lg);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-md) var(--space-2xl);
  font-size: var(--text-body);
}

/* ── Cards ── */
.card {
  background: var(--color-surface-white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-surface-line);
  transition:
    transform var(--motion-base) var(--ease-emphasized),
    box-shadow var(--motion-base) var(--ease-standard),
    border-color var(--motion-base);
}

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

.card--dark {
  background: var(--color-navy-steel);
  border-color: rgba(255,255,255,0.08);
  color: var(--color-surface-white);
}

.card--dark:hover {
  border-color: rgba(255,255,255,0.15);
}

.card--deeper {
  background: var(--color-navy-deep);
  border-color: rgba(255,255,255,0.06);
  color: var(--color-surface-white);
}

/* ── Grid systems ── */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

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

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

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

/* ── Flex utilities ── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ── Metric Strip ── */
.metric-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xl);
  align-items: center;
  padding: var(--space-2xl) 0;
}

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

.metric-strip__value {
  font-family: var(--font-heading);
  font-size: var(--text-h2);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.metric-strip__label {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.65;
}

/* ── Tag/Badge ── */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tag--cyan {
  background: var(--color-cyan-soft);
  color: var(--color-cyan);
  border: 1px solid rgba(32, 214, 255, 0.25);
}

.tag--magenta {
  background: var(--color-magenta-soft);
  color: var(--color-magenta);
  border: 1px solid rgba(233, 75, 255, 0.25);
}

.tag--violet {
  background: var(--color-violet-soft);
  color: var(--color-violet);
  border: 1px solid rgba(122, 92, 255, 0.25);
}

.tag--white {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  border: 1px solid rgba(255,255,255,0.15);
}

/* ── Divider ── */
.divider {
  width: 48px;
  height: 3px;
  border-radius: 2px;
  background: var(--color-cyan);
  margin-block: var(--space-lg);
}

/* ── Text utilities ── */
.text-center { text-align: center; }
.text-white { color: var(--color-surface-white); }
.text-muted { opacity: 0.65; }
.text-cyan { color: var(--color-cyan); }
.text-magenta { color: var(--color-magenta); }
.text-violet { color: var(--color-violet); }

/* ── CTA Band ── */
.cta-band {
  padding: var(--space-section-md);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band__title {
  font-size: var(--text-h2);
  margin-bottom: var(--space-lg);
}

.cta-band__desc {
  font-size: var(--text-body-lg);
  opacity: 0.85;
  margin-bottom: var(--space-2xl);
  max-width: 55ch;
  margin-inline: auto;
}

.cta-band__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-band__note {
  margin-top: var(--space-md);
  font-size: var(--text-small);
  opacity: 0.55;
}

/* ── Reveal animations ── */
@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes reveal-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes float-slow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.reveal-up {
  animation: reveal-up var(--motion-section) var(--ease-emphasized) both;
}

.reveal-up--delay-1 { animation-delay: 80ms; }
.reveal-up--delay-2 { animation-delay: 160ms; }
.reveal-up--delay-3 { animation-delay: 240ms; }
.reveal-up--delay-4 { animation-delay: 320ms; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ── Form elements ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-family: var(--font-ui);
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-navy-primary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1.5px solid var(--color-surface-line);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--color-navy-primary);
  background: var(--color-surface-white);
  transition: border-color var(--motion-fast), box-shadow var(--motion-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px var(--color-cyan-soft);
}

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

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  cursor: pointer;
}

.form-checkbox input {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--color-cyan);
  cursor: pointer;
}

.form-checkbox-label {
  font-size: var(--text-small);
  line-height: var(--lh-relaxed);
  color: var(--color-navy-steel);
}

/* ── Table ── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-small);
}

.data-table th {
  font-family: var(--font-ui);
  font-weight: 600;
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 2px solid var(--color-surface-line);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.65;
}

.data-table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-surface-line);
  line-height: var(--lh-relaxed);
}

.data-table tr:last-child td {
  border-bottom: none;
}

/* ── Step list ── */
.step-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  counter-reset: steps;
}

.step-item {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--text-small);
  font-weight: 500;
  background: var(--color-cyan-soft);
  color: var(--color-cyan);
  border: 1px solid rgba(32, 214, 255, 0.3);
}

.step-content__title {
  font-family: var(--font-heading);
  font-size: var(--text-h4);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.step-content__text {
  font-size: var(--text-body);
  opacity: 0.8;
}

/* ── List with icons ── */
.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--text-body);
  line-height: var(--lh-relaxed);
}

.feature-list li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-cyan);
  flex-shrink: 0;
  margin-top: 8px;
}

/* ── Gradient text ── */
.gradient-text {
  background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-magenta) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Utility: visually-hidden ── */
.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;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--color-surface-line);
  border-radius: 4px;
}