/* ============================================
   Ekisia.net — Technical Deployment Platform
   ============================================ */

:root {
  --color-bg: #0b0f14;
  --color-surface: #141a22;
  --color-surface-alt: #1a222d;
  --color-border: #2a3544;
  --color-text: #e6edf5;
  --color-text-muted: #8b9cb3;
  --color-accent: #3d9d7a;
  --color-accent-hover: #4db88a;
  --color-accent-muted: rgba(61, 157, 122, 0.2);
  --color-link: #5eb3e8;
  --color-link-hover: #7ec5f0;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --radius: 8px;
  --radius-lg: 12px;
  --header-h: 4rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-link);
  text-decoration: none;
}

a:hover {
  color: var(--color-link-hover);
}

/* ---- Header ---- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(11, 15, 20, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.logo-ekisia {
  color: var(--color-text);
}

.logo-net {
  color: var(--color-accent);
}

.logo:hover {
  color: var(--color-text);
}

.logo:hover .logo-net {
  color: var(--color-accent-hover);
}

.main-nav {
  display: flex;
  gap: var(--space-xl);
}

.main-nav a {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.9375rem;
}

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

.nav-toggle {
  display: none;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  position: relative;
}

.nav-toggle::before,
.nav-toggle::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-text);
  transition: transform 0.2s;
}

.nav-toggle::before {
  top: 0.4rem;
}

.nav-toggle::after {
  bottom: 0.4rem;
}

body.nav-open .nav-toggle::before {
  transform: translateY(0.4rem) rotate(45deg);
}

body.nav-open .nav-toggle::after {
  transform: translateY(-0.4rem) rotate(-45deg);
}

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

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-surface);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
  }

  body.nav-open .main-nav {
    opacity: 1;
    visibility: visible;
  }

  .main-nav a {
    font-size: 1.125rem;
  }
}

/* ---- Layout ---- */

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container.narrow {
  max-width: 640px;
}

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

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

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

.section h2 {
  margin: 0 0 var(--space-md);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.section-lead {
  margin: 0 0 var(--space-2xl);
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 60ch;
}

/* ---- Hero ---- */

.hero {
  min-height: calc(100vh - var(--header-h));
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg);
}

.hero-label {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

.hero h1 {
  margin: 0 0 var(--space-lg);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.hero h1 .highlight {
  color: var(--color-accent);
}

.hero-lead {
  margin: 0 0 var(--space-xl);
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 48ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.block {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text-muted);
  min-width: 12rem;
  text-align: center;
}

.block-1 { border-left: 3px solid var(--color-accent); }
.block-2 { border-left: 3px solid var(--color-link); }
.block-3 { border-left: 3px solid #b38feb; }

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-lead {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .platform-blocks {
    flex-direction: row;
    justify-content: center;
  }
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-accent);
  color: #0b0f14;
  border: none;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: #0b0f14;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

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

/* ---- Platform features ---- */

.platform-features {
  margin: 0;
  padding: 0;
  list-style: none;
}

.platform-features li {
  padding: var(--space-md) 0;
  padding-left: var(--space-xl);
  position: relative;
  color: var(--color-text-muted);
}

.platform-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.25rem;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ---- Product cards ---- */

.product-card {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.product-card:last-of-type {
  border-bottom: none;
}

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

.product-card h3 {
  margin: 0 0 var(--space-xs);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.product-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.product-card > p {
  margin: 0 0 var(--space-md);
  color: var(--color-text-muted);
}

.product-features {
  margin: 0 0 var(--space-md);
  padding: 0;
  list-style: none;
}

.product-features li {
  padding: var(--space-xs) 0;
  padding-left: 1.25rem;
  position: relative;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.product-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 600;
}

.product-note {
  margin: 0 0 var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.link-arrow {
  font-weight: 500;
  font-size: 0.9375rem;
}

.link-arrow::after {
  content: " →";
}

/* ---- Pricing cards ---- */

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

.pricing-card {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
}

.pricing-card h3 {
  margin: 0 0 var(--space-lg);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.pricing-card ul {
  margin: 0 0 var(--space-xl);
  padding: 0;
  list-style: none;
  flex-grow: 1;
}

.pricing-card li {
  padding: var(--space-sm) 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}

.pricing-card li:last-child {
  border-bottom: none;
}

.pricing-card .btn {
  align-self: flex-start;
}

@media (max-width: 768px) {
  .pricing-cards {
    grid-template-columns: 1fr;
  }
}

/* ---- Quote ---- */

.section-quote blockquote {
  margin: 0;
  padding: 0;
  border: none;
}

.section-quote blockquote p {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--color-text);
  font-style: italic;
}

.quote-attribution {
  margin: var(--space-lg) 0 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* ---- Contact ---- */

.contact-details {
  margin: 0 0 var(--space-xl);
}

.contact-details p {
  margin: 0 0 var(--space-sm);
  color: var(--color-text-muted);
}

.contact-details a {
  color: var(--color-link);
}

/* ---- Footer ---- */

.site-footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.site-footer p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

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

.site-footer a:hover {
  color: var(--color-link);
}