/* ============================================
   HUICHOS CONSTRUCTION INC — Neo-Brutalist
   ============================================ */

/* --- FONT --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700;800;900&display=swap');

/* --- RESET --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #F5F5F5;
  --surface: #FFFFFF;
  --alt: #EEEEEE;
  --text: #1A1A1A;
  --secondary: #6B6B6B;
  --muted: #ADADAD;
  --red: #E63946;
  --steel: #457B9D;
  --dark-bg: #1A1A1A;
  --dark-text: #F5F5F5;
  --dark-secondary: #CCCCCC;
  --border: #1A1A1A;
  --border-thick: 3px solid #1A1A1A;
  --border-medium: 2px solid #1A1A1A;
  --border-thin: 1px solid #1A1A1A;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

p {
  font-weight: 400;
}

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

/* --- UTILITY --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ============================================
   HEADER / NAV
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--surface);
  border-bottom: var(--border-medium);
  padding: 1rem 0;
  transition: transform 0.3s ease;
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--text);
  position: relative;
}

.logo::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--red);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus {
  border-bottom-color: var(--red);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: var(--border-medium);
  padding: 0.5rem;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 3px;
  background-color: var(--text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ============================================
   SECTION BASICS
   ============================================ */
.section {
  padding: 6rem 0;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--red);
  margin-bottom: 1rem;
  border: var(--border-thin);
  padding: 0.25rem 0.75rem;
}

.section-title {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 2rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--red);
  margin-top: 1rem;
}

/* ============================================
   HERO — Pure Typography
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg);
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  text-align: left;
  max-width: 900px;
  width: 100%;
  padding: 0 2rem;
}

.hero-wordmark {
  font-size: clamp(4rem, 15vw, 10rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--text);
  word-break: break-all;
}

.hero-line {
  width: 100%;
  height: 4px;
  background-color: var(--red);
  margin: 1.5rem 0 2rem;
}

.hero-tagline {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--secondary);
  max-width: 600px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.15s ease;
  border: var(--border-thick);
}

.btn-primary {
  background-color: var(--red);
  color: var(--surface);
  border-color: var(--red);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--text);
  color: var(--surface);
  border-color: var(--text);
}

.btn-outline {
  background-color: transparent;
  color: var(--text);
  border: var(--border-thick);
}

.btn-outline:hover,
.btn-outline:focus {
  background-color: var(--text);
  color: var(--surface);
}

.btn-outline-light {
  background-color: transparent;
  color: var(--dark-text);
  border: 3px solid var(--dark-text);
}

.btn-outline-light:hover,
.btn-outline-light:focus {
  background-color: var(--dark-text);
  color: var(--red);
}

/* ============================================
   SERVICES — Raw Grid
   ============================================ */
.services {
  background-color: var(--surface);
  border-top: var(--border-thick);
  border-bottom: var(--border-thick);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: var(--border-thick);
}

.service-card {
  position: relative;
  padding: 3rem 2rem;
  border-right: var(--border-thick);
  border-bottom: var(--border-thick);
  background-color: var(--surface);
  transition: background-color 0.2s ease;
  overflow: hidden;
}

.service-card:nth-child(3n) {
  border-right: none;
}

.service-card:nth-child(n+4) {
  border-bottom: none;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 12px;
  height: 12px;
  background-color: var(--red);
  transition: width 0.3s ease, height 0.3s ease;
}

.service-card:hover::before {
  width: 20px;
  height: 20px;
}

.service-card:hover {
  background-color: var(--alt);
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.service-icon svg {
  width: 100%;
  height: 100%;
  stroke: var(--text);
  stroke-width: 2;
  fill: none;
}

.service-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 0.9375rem;
  color: var(--secondary);
  line-height: 1.6;
}

/* ============================================
   ABOUT STORY
   ============================================ */
.about {
  position: relative;
  overflow: hidden;
}

.about-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 20rem;
  font-weight: 900;
  color: var(--text);
  opacity: 0.04;
  pointer-events: none;
  white-space: nowrap;
  user-select: none;
}

.about-quote {
  font-size: 2rem;
  font-weight: 700;
  font-style: italic;
  color: var(--red);
  line-height: 1.3;
  max-width: 800px;
  margin-bottom: 1.5rem;
}

.about-separator {
  font-family: monospace;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.1em;
  margin-bottom: 2rem;
}

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

.about-columns p {
  font-size: 1.0625rem;
  color: var(--secondary);
  line-height: 1.8;
}

/* ============================================
   METRICS — Pure Typography Stats
   ============================================ */
.metrics {
  background-color: var(--surface);
  border-top: var(--border-thick);
  border-bottom: var(--border-thick);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.metric-item {
  padding: 2rem 1rem;
}

.metric-line {
  width: 40px;
  height: 3px;
  background-color: var(--text);
  margin: 0 auto 2rem;
}

.metric-number {
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.metric-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================
   PROCESS — Raw Zigzag Steps
   ============================================ */
.process-steps {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  max-width: 1000px;
  margin: 0 auto;
}

.process-step {
  position: relative;
  border: var(--border-thick);
  background-color: var(--surface);
  padding: 2.5rem 2rem;
  margin-bottom: -3px;
}

/* Zigzag layout */
.process-step:nth-child(1) { grid-column: 1; }
.process-step:nth-child(2) { grid-column: 2; }
.process-step:nth-child(3) {
  grid-column: 1 / -1;
  margin-left: 2rem;
  max-width: calc(50% - 2rem);
}
.process-step:nth-child(4) {
  grid-column: 1 / -1;
  margin-left: auto;
  margin-right: 2rem;
  max-width: calc(50% - 2rem);
}

.step-number {
  font-size: 3rem;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 2px var(--red);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.step-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--secondary);
  line-height: 1.6;
}

.step-arrow {
  display: none; /* hidden on mobile */
  position: absolute;
  color: var(--red);
  font-weight: 900;
  font-size: 2rem;
}

/* ============================================
   INDUSTRIES — Raw Tag Display
   ============================================ */
.industries {
  background-color: var(--surface);
  border-top: var(--border-thick);
}

.tags-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem 0;
}

.tag {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
  border: var(--border-thick);
  padding: 0.5rem 1.5rem;
  background-color: transparent;
  transition: all 0.15s ease;
  cursor: default;
}

.tag:nth-child(3n+1) { transform: rotate(-1.5deg); }
.tag:nth-child(3n+2) { transform: rotate(1deg); }
.tag:nth-child(3n+3) { transform: rotate(-0.5deg); }
.tag:nth-child(5n+1) { font-size: 1.25rem; }
.tag:nth-child(5n+3) { font-size: 1rem; }

.tag:hover {
  background-color: var(--red);
  color: var(--surface);
  border-color: var(--red);
  transform: rotate(0deg) scale(1.05);
}

/* ============================================
   CTA — Solid Red
   ============================================ */
.cta {
  background-color: var(--red);
  text-align: center;
  padding: 5rem 0;
}

.cta-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--dark-text);
  margin-bottom: 2rem;
}

/* ============================================
   FOOTER — Dark
   ============================================ */
.site-footer {
  background-color: var(--dark-bg);
  color: var(--dark-text);
  border-top: 3px solid var(--red);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand .logo {
  font-size: 2rem;
  color: var(--dark-text);
  margin-bottom: 1rem;
  display: inline-block;
}

.footer-brand .logo::after {
  background-color: var(--red);
}

.footer-tagline {
  color: var(--dark-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  max-width: 300px;
}

.footer-contact h4 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dark-text);
  margin-bottom: 1rem;
}

.footer-contact p {
  color: var(--dark-secondary);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.footer-contact a {
  color: var(--dark-text);
  border-bottom: 1px solid var(--dark-secondary);
  transition: border-color 0.2s ease;
}

.footer-contact a:hover {
  border-bottom-color: var(--red);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  color: var(--dark-secondary);
  font-size: 0.8125rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  color: var(--dark-secondary);
  font-size: 0.8125rem;
  font-weight: 700;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--red);
}

/* ============================================
   SCROLL FADE-IN
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   PRIVACY / TERMS — Shared Layout
   ============================================ */
.legal-page {
  padding-top: 120px;
  padding-bottom: 4rem;
  background-color: var(--bg);
}

.legal-page .page-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.legal-page .page-subtitle {
  font-size: 1rem;
  color: var(--secondary);
  margin-bottom: 3rem;
}

.legal-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  align-items: start;
}

/* Sidebar TOC */
.legal-toc {
  position: sticky;
  top: 120px;
  border: var(--border-thick);
  background-color: var(--surface);
  padding: 1.5rem;
}

.legal-toc h3 {
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: var(--border-thin);
}

.legal-toc ul {
  list-style: none;
}

.legal-toc li {
  margin-bottom: 0.5rem;
}

.legal-toc a {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--secondary);
  display: block;
  padding: 0.25rem 0;
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
  transition: all 0.2s ease;
}

.legal-toc a:hover,
.legal-toc a:focus {
  color: var(--red);
  border-left-color: var(--red);
}

/* Legal Content */
.legal-content {
  min-height: 50vh;
}

.legal-section {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: var(--border-thin);
}

.legal-section:last-child {
  border-bottom: none;
}

.legal-section h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--text);
}

.legal-section p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--secondary);
  margin-bottom: 1rem;
}

.legal-section ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 1rem;
}

.legal-section ul li {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--secondary);
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.5rem;
}

.legal-section ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: 700;
}

.legal-section strong {
  color: var(--text);
}

.last-updated {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: var(--border-thin);
  padding: 0.25rem 0.75rem;
  margin-bottom: 3rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-card:nth-child(3n) {
    border-right: var(--border-thick);
  }

  .service-card:nth-child(2n) {
    border-right: none;
  }

  .service-card:nth-child(n+4) {
    border-bottom: var(--border-thick);
  }

  .service-card:nth-child(n+5) {
    border-bottom: none;
  }

  .process-step:nth-child(3),
  .process-step:nth-child(4) {
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
  }

  .legal-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .legal-toc {
    position: static;
  }

  .legal-toc ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
  }

  .legal-toc li {
    margin-bottom: 0;
  }

  .legal-toc a {
    border-left: none;
    border-bottom: 2px solid transparent;
    padding-left: 0;
    padding-bottom: 2px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 4rem 0;
  }

  .section-title {
    font-size: 2rem;
  }

  /* Nav */
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--surface);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transition: right 0.3s ease;
    z-index: 999;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    font-size: 1.25rem;
  }

  .hamburger {
    display: flex;
    z-index: 1000;
    position: relative;
  }

  /* Hero */
  .hero {
    padding-top: 100px;
    min-height: auto;
    padding-bottom: 4rem;
  }

  .hero-wordmark {
    font-size: clamp(3rem, 12vw, 5rem);
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    border-right: none;
    border-bottom: var(--border-thick);
  }

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

  /* About */
  .about-columns {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .about-quote {
    font-size: 1.5rem;
  }

  /* Metrics */
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .metric-number {
    font-size: 3rem;
  }

  /* Process */
  .process-steps {
    grid-template-columns: 1fr;
  }

  .process-step:nth-child(1),
  .process-step:nth-child(2),
  .process-step:nth-child(3),
  .process-step:nth-child(4) {
    grid-column: 1;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .hero-wordmark {
    font-size: clamp(2.5rem, 10vw, 3.5rem);
  }

  .section-title {
    font-size: 1.75rem;
  }

  .tags-cluster {
    gap: 0.75rem;
  }

  .tag {
    font-size: 0.875rem;
    padding: 0.375rem 1rem;
  }
}