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

* {
  margin: 0;
  padding: 0;
}

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

body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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;
}

/* Root Variables */
:root {
  --color-primary: #334155;
  --color-secondary: #0f172a;
  --color-accent: #94a3b8;
  --color-bg: #ffffff;
  --color-surface: #f1f5f9;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-border: #cbd5e1;
  --font-main: 'Trebuchet MS', 'Lucida Sans', 'Lucida Grande', sans-serif;
  --max-width: 1100px;
  --radius: 0;
  --spacing-unit: 1rem;
  --transition-speed: 0.2s;
}

/* Base Typography */
body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  font-weight: 400;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

h1 {
  font-size: 3rem;
  text-transform: uppercase;
  letter-spacing: -0.04em;
}

h2 {
  font-size: 2.25rem;
  clip-path: polygon(0 0, 100% 0, 98% 100%, 0 100%);
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  color: var(--color-bg);
  padding: 1rem 1.5rem;
  margin-bottom: 2rem;
}

h3 {
  font-size: 1.75rem;
  border-left: 4px solid var(--color-primary);
  padding-left: 1rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-speed) ease;
}

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

a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-secondary);
  transition: width var(--transition-speed) ease;
  clip-path: polygon(0 0, 100% 0, 95% 100%, 0 100%);
}

a:hover::after {
  width: 100%;
}

strong {
  font-weight: 700;
  color: var(--color-secondary);
}

em {
  font-style: italic;
}

blockquote {
  margin: 2rem 0;
  padding: 1.5rem 2rem;
  background-color: var(--color-surface);
  border-left: 6px solid var(--color-primary);
  position: relative;
  clip-path: polygon(0 0, 100% 2%, 100% 100%, 0 98%);
  font-style: italic;
  color: var(--color-text-muted);
}

blockquote::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60px;
  height: 60px;
  background: var(--color-accent);
  opacity: 0.15;
  clip-path: polygon(100% 0, 100% 100%, 0 0);
}

/* Layout */
.site-header {
  background: var(--color-secondary);
  color: var(--color-bg);
  padding: 0;
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
  padding-bottom: 2rem;
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  transform: skewY(-1deg);
}

.site-nav {
  background: transparent;
  padding: 1rem 0;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
}

.site-nav li {
  position: relative;
}

.site-nav a {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--color-bg);
  text-transform: uppercase;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  background: var(--color-primary);
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
  margin: 0 0.25rem;
  transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease;
}

.site-nav a::after {
  display: none;
}

.site-nav a:hover {
  background: var(--color-accent);
  color: var(--color-secondary);
  transform: translateY(-2px);
}

.site-main {
  min-height: 60vh;
  padding: 3rem 0;
}

.site-footer {
  background: var(--color-secondary);
  color: var(--color-accent);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
  position: relative;
  clip-path: polygon(0 15%, 100% 0, 100% 100%, 0 100%);
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
  transform: skewY(-1deg);
}

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

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.breadcrumbs {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  margin-bottom: 2rem;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  clip-path: polygon(0 0, 99% 0, 100% 100%, 0 100%);
  font-size: 0.875rem;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumbs li:not(:last-child)::after {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

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

.breadcrumbs a::after {
  display: none;
}

.breadcrumbs li:last-child {
  color: var(--color-text);
  font-weight: 600;
}

/* Components */
.card {
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  padding: 2rem;
  margin-bottom: 2rem;
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% 97%, 0 100%);
  transition: box-shadow var(--transition-speed) ease, border-color var(--transition-speed) ease, transform var(--transition-speed) ease;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 40px 40px 0;
  border-color: transparent var(--color-surface) transparent transparent;
  transition: border-color var(--transition-speed) ease;
}

.card:hover {
  box-shadow: 8px 8px 0 var(--color-surface);
  border-color: var(--color-primary);
  transform: translate(-4px, -4px);
}

.card:hover::before {
  border-color: transparent var(--color-accent) transparent transparent;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 2rem 0;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  overflow: hidden;
}

thead {
  background: var(--color-secondary);
  color: var(--color-bg);
}

th {
  padding: 1rem;
  text-align: left;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  border-bottom: 3px solid var(--color-primary);
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
}

tbody tr {
  transition: background-color var(--transition-speed) ease;
}

tbody tr:nth-child(even) {
  background-color: var(--color-surface);
}

tbody tr:hover {
  background-color: var(--color-accent);
  color: var(--color-bg);
}

tbody tr:hover td {
  border-bottom-color: var(--color-primary);
}

details {
  margin: 1.5rem 0;
  border: 2px solid var(--color-border);
  background: var(--color-bg);
  clip-path: polygon(0 0, 100% 0, 99.5% 100%, 0 100%);
  transition: border-color var(--transition-speed) ease;
}

details[open] {
  border-color: var(--color-primary);
}

summary {
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-weight: 700;
  color: var(--color-secondary);
  background: var(--color-surface);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
  position: relative;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: '';
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  transition: transform var(--transition-speed) ease, background-color var(--transition-speed) ease;
  flex-shrink: 0;
}

details[open] summary::after {
  transform: rotate(180deg);
  background: var(--color-accent);
}

summary:hover {
  background: var(--color-primary);
  color: var(--color-bg);
}

summary:hover::after {
  background: var(--color-bg);
}

details div {
  padding: 1.5rem;
  border-top: 2px solid var(--color-border);
}

/* States */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

::selection {
  background: var(--color-secondary);
  color: var(--color-bg);
}

button,
input[type="submit"],
input[type="button"] {
  background: var(--color-primary);
  color: var(--color-bg);
  border: none;
  padding: 0.875rem 2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  clip-path: polygon(5% 0, 100% 0, 95% 100%, 0 100%);
  transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  font-size: 0.9rem;
}

button:hover,
input[type="submit"]:hover,
input[type="button"]:hover {
  background: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(15, 23, 42, 0.2);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
textarea,
select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
textarea:focus,
select:focus {
  border-color: var(--color-primary);
  box-shadow: 4px 4px 0 var(--color-surface);
  outline: none;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.hero-section {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg) 100%);
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% 95%, 0 100%);
  margin-bottom: 3rem;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: var(--color-accent);
  opacity: 0.1;
  clip-path: polygon(100% 0, 100% 100%, 50% 100%);
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin: 3rem 0;
}

.feature-item {
  padding: 2rem;
  background: var(--color-surface);
  position: relative;
  clip-path: polygon(0 5%, 100% 0, 100% 100%, 0 100%);
  border-left: 4px solid var(--color-primary);
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.feature-item:hover {
  transform: translateX(8px);
  box-shadow: -8px 8px 0 var(--color-accent);
}

.divider {
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 50%, var(--color-primary) 100%);
  margin: 3rem 0;
  transform: skewY(-1deg);
}

.diagonal-section {
  background: var(--color-surface);
  padding: 4rem 0;
  margin: 4rem 0;
  clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%);
  position: relative;
}

.diagonal-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
}

/* Responsive */
@media (min-width: 768px) {
  h1 {
    font-size: 4rem;
  }

  h2 {
    font-size: 3rem;
  }

  h3 {
    font-size: 2rem;
  }

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

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

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

  .site-nav ul {
    justify-content: flex-end;
  }
}

@media (min-width: 1024px) {
  h1 {
    font-size: 4.5rem;
  }

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

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

  .container {
    padding: 0 2rem;
  }

  .site-main {
    padding: 4rem 0;
  }
}

/* Reduced Motion */
@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;
  }
}

/* Print Styles */
@media print {
  .site-nav,
  .site-footer,
  .breadcrumbs {
    display: none;
  }

  .site-header {
    clip-path: none;
    padding-bottom: 1rem;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }

  .card,
  details,
  .hero-section,
  .diagonal-section {
    clip-path: none;
    box-shadow: none;
  }

  a::after {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
  }

  h2 {
    clip-path: none;
    background: #000;
    color: #fff;
  }
}