/* ============================================================
   MalexSoftware - Design System + Components + Pages
   Zero dependencies. Plain CSS. Production-ready.
   ============================================================ */

/* === CSS CUSTOM PROPERTIES === */
:root {
  /* Colors - Primary */
  --color-primary: #2D5BFF;
  --color-primary-light: #5B82FF;
  --color-primary-dark: #1A3FCC;
  --color-primary-bg: #EEF2FF;

  /* Colors - Accent */
  --color-accent: #F59E0B;
  --color-accent-light: #FBBF24;
  --color-accent-dark: #D97706;
  --color-accent-bg: #FFFBEB;

  /* Colors - Status */
  --color-success: #10B981;
  --color-success-bg: #ECFDF5;
  --color-coming: #6B7280;
  --color-coming-bg: #F3F4F6;

  /* Colors - Text */
  --color-text-primary: #1A1A2E;
  --color-text-secondary: #4A4A68;
  --color-text-muted: #9CA3AF;

  /* Colors - Backgrounds */
  --color-bg-primary: #FAFAFA;
  --color-bg-section: #F0F0F5;
  --color-bg-white: #FFFFFF;

  /* Colors - Borders */
  --color-border: #E5E7EB;
  --color-border-light: #F3F4F6;

  /* Colors - Portfolio Brands */
  --color-brand-remotesystems: #F97316;
  --color-brand-stupio: #EAB308;
  --color-brand-beepulse: #EAB308;
  --color-brand-dakkio: #7C3AED;

  /* Typography */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-code: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;

  /* Type Scale */
  --text-hero: 3.5rem;
  --text-h1: 2.5rem;
  --text-h2: 2rem;
  --text-h3: 1.5rem;
  --text-h4: 1.25rem;
  --text-body-lg: 1.125rem;
  --text-body: 1rem;
  --text-small: 0.875rem;
  --text-code: 0.875rem;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 80px;
  --space-5xl: 120px;

  /* Layout */
  --max-width: 1200px;
  --max-width-text: 680px;
  --max-width-hero: 720px;

  /* Borders */
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --border-radius-pill: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-hover: 0 8px 30px rgba(45, 91, 255, 0.12);

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

  /* Z-index */
  --z-header: 100;
  --z-mobile-menu: 200;
  --z-skip-link: 300;
}

/* === RESET === */
*, *::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: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

/* === ACCESSIBILITY === */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: var(--z-skip-link);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--border-radius-sm);
  font-size: var(--text-small);
  font-weight: 600;
  transition: top var(--transition-fast);
}

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

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

:focus:not(:focus-visible) {
  outline: none;
}

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

/* === TYPOGRAPHY === */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-text-primary);
  line-height: 1.2;
}

h1 {
  font-size: var(--text-h1);
  font-weight: 700;
  letter-spacing: -0.015em;
}

h2 {
  font-size: var(--text-h2);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

h3 {
  font-size: var(--text-h3);
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1.3;
}

h4 {
  font-size: var(--text-h4);
  font-weight: 600;
  line-height: 1.35;
}

p {
  color: var(--color-text-secondary);
  max-width: var(--max-width-text);
}

.text-lg {
  font-size: var(--text-body-lg);
  line-height: 1.6;
}

.text-small {
  font-size: var(--text-small);
  line-height: 1.5;
}

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

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

.font-code {
  font-family: var(--font-code);
}

/* === LAYOUT === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-3xl) 0;
}

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

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

.section--dark {
  background-color: var(--color-text-primary);
  color: #fff;
}

.section__header {
  margin-bottom: var(--space-2xl);
}

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

.section__subtitle {
  font-size: var(--text-body-lg);
  color: var(--color-text-secondary);
  max-width: var(--max-width-text);
}

/* === GRID === */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--border-radius-sm);
  transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  min-height: 44px;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border: 2px solid var(--color-accent);
}

.btn--primary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn--primary:active {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(0);
}

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn--secondary:active {
  background: var(--color-primary);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  padding: 0;
  min-height: auto;
  border: none;
  font-weight: 500;
}

.btn--ghost:hover {
  text-decoration: underline;
}

.btn--ghost .arrow {
  transition: transform var(--transition-fast);
}

.btn--ghost:hover .arrow {
  transform: translateX(4px);
}

.btn--brand {
  color: #fff;
  border: 2px solid transparent;
}

.btn--brand:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  filter: brightness(1.1);
}

.btn--full {
  width: 100%;
}

/* === CARDS === */
.card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal), transform var(--transition-normal), border-color var(--transition-normal);
}

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

.card--portfolio {
  border-top: 4px solid var(--color-border);
  cursor: pointer;
  position: relative;
}

.card--portfolio.brand-remotesystems {
  border-top-color: var(--color-brand-remotesystems);
}

.card--portfolio.brand-stupio {
  border-top-color: var(--color-brand-stupio);
}

.card--portfolio.brand-beepulse {
  border-top-color: var(--color-brand-beepulse);
}

.card--portfolio.brand-dakkio {
  border-top-color: var(--color-brand-dakkio);
}

.card--portfolio:hover.brand-remotesystems {
  border-color: var(--color-brand-remotesystems);
  border-top-color: var(--color-brand-remotesystems);
}

.card--portfolio:hover.brand-stupio {
  border-color: var(--color-brand-stupio);
  border-top-color: var(--color-brand-stupio);
}

.card--portfolio:hover.brand-beepulse {
  border-color: var(--color-brand-beepulse);
  border-top-color: var(--color-brand-beepulse);
}

.card--portfolio:hover.brand-dakkio {
  border-color: var(--color-brand-dakkio);
  border-top-color: var(--color-brand-dakkio);
}

.card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.card__title {
  font-size: var(--text-h4);
  font-weight: 600;
  color: var(--color-text-primary);
}

.card__category {
  font-size: var(--text-small);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.card__description {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  max-width: none;
}

.card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--space-md);
}

.card--feature {
  text-align: left;
}

.card--feature .card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-bg);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 24px;
}

.card--feature .card__title {
  margin-bottom: var(--space-sm);
}

.card--kio {
  text-align: center;
  padding: var(--space-lg);
}

.card--kio .card__title {
  font-family: var(--font-code);
  font-size: var(--text-h4);
  font-weight: 500;
}

.card--kio .card__subtitle {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

.card--kio .badge {
  margin-top: var(--space-md);
}

.card--kio-coming {
  opacity: 0.7;
  cursor: default;
}

.card--kio-coming:hover {
  transform: none;
  box-shadow: var(--shadow-sm);
}

.card--tech {
  padding: var(--space-md) var(--space-lg);
}

.card--tech .card__title {
  font-family: var(--font-code);
  font-size: var(--text-small);
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.card--tech .card__description {
  font-size: var(--text-small);
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* === BADGES === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--border-radius-pill);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 1;
}

.badge--live {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.badge--live .badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse-live 2s ease-in-out infinite;
}

.badge--coming {
  background: var(--color-coming-bg);
  color: var(--color-coming);
}

.badge--coming .badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-coming);
}

.badge--kio-stack {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-size: var(--text-small);
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
}

@keyframes pulse-live {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.3);
    opacity: 0.7;
  }
}

/* === TECH TAGS === */
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tech-tag {
  font-family: var(--font-code);
  font-size: 13px;
  font-weight: 400;
  background: var(--color-bg-section);
  color: var(--color-text-secondary);
  padding: 4px 8px;
  border-radius: 6px;
  display: inline-flex;
}

/* === TRUST BAR === */
.trust-bar {
  background: var(--color-bg-white);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--space-xl) 0;
}

.trust-bar__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  text-align: center;
}

.trust-stat__number {
  font-size: var(--text-h3);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.trust-stat__label {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* === BREADCRUMB === */
.breadcrumb {
  padding: var(--space-lg) 0;
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-small);
}

.breadcrumb__link {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb__link:hover {
  text-decoration: underline;
}

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

.breadcrumb__current {
  color: var(--color-text-primary);
}

/* === HEADER === */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: 56px;
  background: rgba(250, 250, 250, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-normal);
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.header__nav {
  display: none;
  align-items: center;
  gap: var(--space-xl);
}

.header__nav-link {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 15px;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.header__nav-link:hover {
  color: var(--color-primary);
}

.header__nav-link--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

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

/* Language Toggle */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 13px;
  text-transform: uppercase;
}

.lang-toggle__btn {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  text-transform: uppercase;
  transition: color var(--transition-fast), font-weight var(--transition-fast);
  min-width: 24px;
  text-align: center;
}

.lang-toggle__btn--active {
  color: var(--color-primary);
  font-weight: 600;
}

.lang-toggle__btn:hover:not(.lang-toggle__btn--active) {
  color: var(--color-primary-light);
}

.lang-toggle__sep {
  color: var(--color-border);
  user-select: none;
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  cursor: pointer;
  background: none;
  border: none;
}

.hamburger__line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.hamburger--open .hamburger__line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger--open .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger--open .hamburger__line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-white);
  z-index: var(--z-mobile-menu);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

.mobile-menu--open {
  transform: translateX(0);
}

.mobile-menu__link {
  font-family: var(--font-heading);
  font-size: var(--text-h3);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.mobile-menu__link:hover,
.mobile-menu__link--active {
  color: var(--color-primary);
}

body.menu-open {
  overflow: hidden;
}

/* === FOOTER === */
.footer {
  background: var(--color-text-primary);
  color: #fff;
  padding: var(--space-2xl) 0 var(--space-lg);
}

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

.footer__brand-name {
  font-family: var(--font-heading);
  font-size: var(--text-h4);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.footer__tagline {
  font-size: var(--text-small);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
  max-width: 280px;
}

.footer__heading {
  font-size: var(--text-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
  color: rgba(255, 255, 255, 0.5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  font-size: var(--text-small);
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: #fff;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
}

.footer__copyright {
  font-size: var(--text-small);
  color: rgba(255, 255, 255, 0.5);
}

/* === PAGE: HERO === */
.hero {
  padding: var(--space-4xl) 0 var(--space-3xl);
}

.hero--home {
  padding: var(--space-5xl) 0 var(--space-4xl);
}

.hero__title {
  font-size: var(--text-h1);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  max-width: var(--max-width-hero);
  margin-bottom: var(--space-lg);
}

.hero--home .hero__title {
  font-size: var(--text-hero);
}

.hero__subtitle {
  font-size: var(--text-body-lg);
  color: var(--color-text-secondary);
  max-width: var(--max-width-text);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* === PAGE: PORTFOLIO DETAIL HERO === */
.portfolio-hero {
  padding: 0 0 var(--space-4xl);
}

.portfolio-hero__inner {
  border-left: 4px solid var(--color-border);
  padding: var(--space-2xl) var(--space-xl);
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

.portfolio-hero__inner--remotesystems {
  border-left-color: var(--color-brand-remotesystems);
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.05) 0%, var(--color-bg-primary) 100%);
}

.portfolio-hero__inner--stupio {
  border-left-color: var(--color-brand-stupio);
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.05) 0%, var(--color-bg-primary) 100%);
}

.portfolio-hero__inner--beepulse {
  border-left-color: var(--color-brand-beepulse);
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.05) 0%, var(--color-bg-primary) 100%);
}

.portfolio-hero__inner--dakkio {
  border-left-color: var(--color-brand-dakkio);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.05) 0%, var(--color-bg-primary) 100%);
}

.portfolio-hero__subtitle {
  font-size: var(--text-body-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.portfolio-hero__title {
  font-size: var(--text-h1);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.portfolio-hero__desc {
  font-size: var(--text-body-lg);
  color: var(--color-text-secondary);
  max-width: var(--max-width-text);
  margin-bottom: var(--space-lg);
}

.portfolio-hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* === ECOSYSTEM CROSS-REFERENCE === */
.ecosystem {
  padding: var(--space-4xl) 0;
}

.ecosystem__cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
}

.ecosystem__card {
  width: 100%;
  max-width: 200px;
  padding: var(--space-md);
  border-radius: 12px;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  text-align: center;
  text-decoration: none;
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.ecosystem__card:hover {
  box-shadow: var(--shadow-md);
}

.ecosystem__card--current {
  border-width: 2px;
  box-shadow: var(--shadow-md);
}

.ecosystem__card-name {
  font-weight: 600;
  font-size: var(--text-small);
  color: var(--color-text-primary);
}

.ecosystem__card-role {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.ecosystem__connector {
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-small);
}

.ecosystem__data-layer {
  text-align: center;
  margin-top: var(--space-md);
  padding: var(--space-md);
  border: 1px dashed rgba(124, 58, 237, 0.3);
  border-radius: var(--border-radius-sm);
  font-size: var(--text-small);
  color: var(--color-brand-dakkio);
}

.ecosystem__data-layer a {
  color: var(--color-brand-dakkio);
  font-weight: 500;
}

/* === DOG-FOODING === */
.dogfooding__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.dogfooding__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: var(--text-body);
  color: var(--color-text-secondary);
}

.dogfooding__arrow {
  color: var(--color-primary);
  font-family: var(--font-code);
  flex-shrink: 0;
}

/* === PAGE: RECENT WORK === */
.recent-work__card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.recent-work__title {
  font-size: var(--text-h3);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.recent-work__desc {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  max-width: none;
}

.recent-work__tech {
  font-family: var(--font-code);
  font-size: var(--text-small);
  color: var(--color-text-muted);
}

/* === PAGE: CONTACT === */
.contact-section {
  padding: var(--space-5xl) 0;
  text-align: center;
}

.contact-section__title {
  font-size: var(--text-h1);
  margin-bottom: var(--space-lg);
}

.contact-section__subtitle {
  font-size: var(--text-body-lg);
  color: var(--color-text-secondary);
  margin: 0 auto var(--space-xl);
  max-width: var(--max-width-text);
}

.contact-section__email {
  display: inline-block;
  font-size: var(--text-h3);
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  word-break: break-all;
}

.contact-section__email:hover {
  text-decoration: underline;
}

.contact-section__divider {
  width: 60px;
  height: 1px;
  background: var(--color-border);
  margin: var(--space-2xl) auto;
}

.contact-section__info {
  font-size: var(--text-body);
  color: var(--color-text-muted);
}

.contact-section__info p {
  margin: 0 auto;
  text-align: center;
}

.contact-section__info p + p {
  margin-top: var(--space-xs);
}

/* === PAGE: KIO STACK DETAIL SECTIONS === */
.kio-detail {
  padding: var(--space-4xl) 0;
}

.kio-detail__header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.kio-detail__name {
  font-family: var(--font-code);
  font-size: var(--text-h2);
  font-weight: 500;
}

.kio-detail__subtitle {
  font-size: var(--text-body-lg);
  color: var(--color-text-muted);
}

.kio-detail__desc {
  font-size: var(--text-body-lg);
  color: var(--color-text-secondary);
  max-width: var(--max-width-text);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.kio-detail__used-by {
  font-size: var(--text-small);
  font-family: var(--font-code);
  color: var(--color-text-muted);
}

/* === PAGE: ABOUT TECH STACK === */
.tech-stack__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.tech-stack__group h3 {
  font-size: var(--text-h4);
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

/* === PRICING SECTION === */
.pricing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.pricing__item {
  padding: var(--space-lg);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
}

.pricing__name {
  font-size: var(--text-h4);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.pricing__desc {
  font-size: var(--text-small);
  color: var(--color-text-muted);
}

/* === CTA SECTION (bottom of every page) === */
.cta-section {
  background: var(--color-bg-white);
  padding: var(--space-4xl) 0;
  text-align: center;
}

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

/* === MAIN CONTENT AREA === */
#app {
  min-height: calc(100vh - 56px);
}

/* Ensure page transitions are snappy */
.page-content {
  animation: fadeIn 150ms ease;
}

@keyframes fadeIn {
  from { opacity: 0.8; }
  to { opacity: 1; }
}

/* === RESPONSIVE: TABLET (768px+) === */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-lg);
  }

  .section {
    padding: var(--space-4xl) 0;
  }

  .header {
    height: 64px;
  }

  .header__inner {
    padding: 0 var(--space-lg);
  }

  .mobile-menu {
    top: 64px;
  }

  .hero {
    padding: var(--space-4xl) 0;
  }

  .hero--home {
    padding: var(--space-5xl) 0 var(--space-4xl);
  }

  .hero__actions {
    flex-direction: row;
  }

  .btn--full-mobile {
    width: auto;
  }

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

  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

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

  .trust-bar__grid {
    grid-template-columns: repeat(4, 1fr);
    position: relative;
  }

  .trust-stat {
    position: relative;
  }

  .trust-stat:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 10%;
    height: 80%;
    width: 1px;
    background: var(--color-border-light);
  }

  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }

  .tech-stack__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .ecosystem__cards {
    flex-direction: row;
    justify-content: center;
    gap: var(--space-lg);
  }

  .ecosystem__connector {
    display: flex;
    align-items: center;
  }

  .contact-section__email {
    font-size: var(--text-h2);
  }
}

/* === RESPONSIVE: DESKTOP (1024px+) === */
@media (min-width: 1024px) {
  .header__nav {
    display: flex;
  }

  .hamburger {
    display: none;
  }

  .mobile-menu {
    display: none !important;
  }

  .hero__title {
    font-size: var(--text-h1);
  }

  .hero--home .hero__title {
    font-size: var(--text-hero);
  }

  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }

  .tech-stack__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* === RESPONSIVE: MOBILE TYPE SCALE (< 768px) === */
@media (max-width: 767px) {
  :root {
    --text-hero: 2.25rem;
    --text-h1: 1.75rem;
    --text-h2: 1.5rem;
    --text-h3: 1.25rem;
    --text-h4: 1.125rem;
    --text-body-lg: 1rem;
  }

  .hero--home {
    padding: var(--space-4xl) 0 var(--space-3xl);
  }

  .hero__actions .btn {
    width: 100%;
  }

  .portfolio-hero__inner {
    padding: var(--space-lg) var(--space-md);
  }
}

/* === 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;
}