/* ============================================
   NoorTech AV — Stylesheet
   ============================================ */

:root {
  --color-bg: #faf8f5;
  --color-surface: #ffffff;
  --color-ink: #1a1d23;
  --color-ink-soft: #4a4f57;
  --color-muted: #8a8f97;
  --color-line: #e8e4dd;
  --color-accent: #b08d4e;
  --color-accent-dark: #8a6d3a;
  --color-charcoal: #14171c;

  --font-serif: "Fraunces", "Cormorant Garamond", Georgia, serif;
  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;

  --container: 1200px;
  --container-narrow: 880px;

  --radius: 4px;
  --shadow-sm: 0 1px 2px rgba(20, 23, 28, 0.04);
  --shadow-md: 0 8px 32px rgba(20, 23, 28, 0.08);
  --shadow-lg: 0 24px 64px rgba(20, 23, 28, 0.12);

  --transition: 240ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--color-ink);
  background-color: var(--color-bg);
  /* Warm cream base with very subtle grain */
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='1.1' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.08  0 0 0 0 0.07  0 0 0 0 0.05  0 0 0 0.18 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--color-ink);
  /* Fraunces variable axes: soft optical sizing, slight SOFT axis warmth */
  font-variation-settings: "opsz" 144, "SOFT" 50;
}

h1 {
  font-size: clamp(3rem, 7.5vw, 6rem);
  font-weight: 300;
  font-variation-settings: "opsz" 144, "SOFT" 100;
  letter-spacing: -0.035em;
}
h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 400;
  font-variation-settings: "opsz" 144, "SOFT" 80;
}
h3 {
  font-size: clamp(1.375rem, 2vw, 1.75rem);
  font-weight: 500;
  font-variation-settings: "opsz" 36, "SOFT" 50;
  letter-spacing: -0.015em;
}
h4 {
  font-size: 0.78rem;
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

p { margin-bottom: 1.25em; color: var(--color-ink-soft); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ============================================
   Header / Navigation
   ============================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
}

.brand {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-ink);
  font-variation-settings: "opsz" 36, "SOFT" 100;
}

.brand span {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-ink-soft);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-ink);
}

.nav-cta {
  background: var(--color-ink);
  color: var(--color-bg) !important;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
}

.nav-cta:hover {
  background: var(--color-accent);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-ink);
  margin: 5px 0;
  transition: transform var(--transition), opacity var(--transition);
}

/* ============================================
   Hero
   ============================================ */

.hero {
  position: relative;
  padding: 9rem 0 8rem;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}

/* Atmospheric depth — layered warm gradient glows */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 18% 10%, rgba(176, 141, 78, 0.18), transparent 60%),
    radial-gradient(ellipse 50% 60% at 85% 90%, rgba(20, 23, 28, 0.08), transparent 55%),
    radial-gradient(ellipse 80% 40% at 50% 50%, rgba(176, 141, 78, 0.04), transparent 70%);
  pointer-events: none;
  z-index: -2;
}

/* Faint grain texture for depth */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.08  0 0 0 0 0.07  0 0 0 0 0.05  0 0 0 0.55 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.5;
  mix-blend-mode: multiply;
  pointer-events: none;
  z-index: -1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 2rem;
  opacity: 0;
  animation: heroIn 900ms cubic-bezier(0.2, 0.8, 0.2, 1) 120ms forwards;
}

.hero h1 {
  max-width: 14ch;
  margin: 0 auto 2rem;
  opacity: 0;
  animation: heroIn 1100ms cubic-bezier(0.2, 0.8, 0.2, 1) 280ms forwards;
}

/* High weight contrast: light italic accent against the regular weight */
.hero h1 em {
  font-style: italic;
  font-weight: 200;
  color: var(--color-accent);
  font-variation-settings: "opsz" 144, "SOFT" 100;
}

.hero-sub {
  font-size: 1.18rem;
  font-weight: 300;
  line-height: 1.6;
  max-width: 52ch;
  margin: 0 auto 2.75rem;
  color: var(--color-ink-soft);
  opacity: 0;
  animation: heroIn 1100ms cubic-bezier(0.2, 0.8, 0.2, 1) 460ms forwards;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: heroIn 1100ms cubic-bezier(0.2, 0.8, 0.2, 1) 640ms forwards;
}

@keyframes heroIn {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-eyebrow,
  .hero h1,
  .hero-sub,
  .hero-actions { animation: none; opacity: 1; }
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.95rem 1.8rem;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

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

.btn-primary:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-line);
}

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

/* ============================================
   Sections
   ============================================ */

section {
  padding: 6rem 0;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4rem;
}

.section-head p {
  font-size: 1.1rem;
  margin-top: 1rem;
}

/* ============================================
   Services Grid
   ============================================ */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.service-card {
  padding: 2.5rem 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(176, 141, 78, 0.1);
  color: var(--color-accent);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.service-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.4rem;
}

.service-card p {
  font-size: 0.97rem;
  margin-bottom: 0;
}

/* ============================================
   Process / Steps
   ============================================ */

.process {
  background: var(--color-charcoal);
  color: var(--color-bg);
}

.process h2,
.process .section-eyebrow {
  color: var(--color-bg);
}

.process .section-eyebrow {
  color: var(--color-accent);
}

.process p {
  color: rgba(250, 248, 245, 0.7);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
}

.step-num {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-style: italic;
  color: var(--color-accent);
  display: block;
  margin-bottom: 1rem;
  line-height: 1;
}

.step h3 {
  color: var(--color-bg);
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

/* ============================================
   Areas served
   ============================================ */

.areas {
  background: var(--color-surface);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem 2rem;
  max-width: 880px;
  margin: 0 auto;
}

.areas-grid a {
  padding: 0.6rem 0;
  font-size: 0.97rem;
  color: var(--color-ink-soft);
  border-bottom: 1px solid var(--color-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: padding var(--transition), color var(--transition);
}

.areas-grid a:hover {
  color: var(--color-accent);
  padding-left: 0.5rem;
}

.areas-grid a::after {
  content: "→";
  opacity: 0;
  transition: opacity var(--transition);
}

.areas-grid a:hover::after {
  opacity: 1;
}

/* ============================================
   CTA Banner
   ============================================ */

.cta-banner {
  text-align: center;
  background: linear-gradient(135deg, var(--color-charcoal) 0%, #1f242c 100%);
  color: var(--color-bg);
}

.cta-banner h2,
.cta-banner .section-eyebrow {
  color: var(--color-bg);
}

.cta-banner .section-eyebrow {
  color: var(--color-accent);
}

.cta-banner p {
  color: rgba(250, 248, 245, 0.75);
  max-width: 56ch;
  margin: 1rem auto 2.5rem;
  font-size: 1.1rem;
}

.cta-banner .btn-primary {
  background: var(--color-accent);
}

.cta-banner .btn-primary:hover {
  background: var(--color-bg);
  color: var(--color-ink);
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
  background: var(--color-charcoal);
  color: rgba(250, 248, 245, 0.65);
  padding: 5rem 0 2rem;
  font-size: 0.93rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  color: var(--color-bg);
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.footer-brand span {
  color: var(--color-accent);
}

.site-footer h4 {
  color: var(--color-bg);
  margin-bottom: 1.25rem;
  font-size: 0.92rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.site-footer ul {
  list-style: none;
}

.site-footer li {
  margin-bottom: 0.6rem;
}

.site-footer a {
  color: rgba(250, 248, 245, 0.65);
}

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

.footer-bottom {
  border-top: 1px solid rgba(250, 248, 245, 0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  color: rgba(250, 248, 245, 0.45);
  font-size: 0.85rem;
}

/* ============================================
   Article / Blog
   ============================================ */

.article-hero {
  padding: 5rem 0 3rem;
  text-align: center;
  border-bottom: 1px solid var(--color-line);
}

.article-meta {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

.article-meta span + span::before {
  content: "·";
  margin: 0 0.75rem;
}

.article-hero h1 {
  max-width: 22ch;
  margin: 0 auto 1.25rem;
  font-size: clamp(2rem, 4.5vw, 3.5rem);
}

.article-hero .lede {
  font-size: 1.2rem;
  max-width: 60ch;
  margin: 0 auto;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-ink-soft);
}

.article-body {
  padding: 4rem 0 6rem;
}

.article-body h2 {
  margin: 3rem 0 1rem;
  font-size: 1.9rem;
}

.article-body h3 {
  margin: 2.25rem 0 0.75rem;
  font-size: 1.35rem;
}

.article-body p,
.article-body li {
  font-size: 1.07rem;
  line-height: 1.85;
  color: var(--color-ink-soft);
}

.article-body ul,
.article-body ol {
  margin: 0 0 1.5em 1.25em;
}

.article-body li {
  margin-bottom: 0.5em;
}

.article-body blockquote {
  margin: 2.5rem 0;
  padding: 1.25rem 2rem;
  border-left: 3px solid var(--color-accent);
  background: var(--color-surface);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--color-ink);
}

.article-body a {
  color: var(--color-accent-dark);
  border-bottom: 1px solid rgba(176, 141, 78, 0.4);
}

.article-body a:hover {
  border-bottom-color: var(--color-accent);
}

/* ============================================
   Blog index
   ============================================ */

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}

.post-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 2.25rem;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.post-card .article-meta {
  margin-bottom: 1rem;
  font-size: 0.78rem;
}

.post-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
  color: var(--color-ink);
}

.post-card p {
  font-size: 0.97rem;
  flex: 1;
  margin-bottom: 1.5rem;
}

.post-card .read-more {
  color: var(--color-accent-dark);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

/* ============================================
   About page
   ============================================ */

.about-hero {
  padding: 8rem 0 5rem;
  text-align: center;
}

.about-content {
  padding-bottom: 6rem;
}

.about-content p {
  font-size: 1.1rem;
  margin-bottom: 1.5em;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.value h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--color-accent);
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ============================================
   Contact
   ============================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.contact-info > div {
  margin-bottom: 2.25rem;
}

.contact-info p,
.contact-info a {
  font-size: 1.1rem;
  color: var(--color-ink);
}

.contact-form label {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  font-size: 1rem;
  font-family: inherit;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  color: var(--color-ink);
  margin-bottom: 1.5rem;
  transition: border-color var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

/* ============================================
   Breadcrumbs
   ============================================ */

.breadcrumbs {
  font-size: 0.85rem;
  color: var(--color-muted);
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-line);
}

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

.breadcrumbs a:hover {
  color: var(--color-accent);
}

.breadcrumbs span {
  margin: 0 0.5rem;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--color-line);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  section { padding: 4.5rem 0; }
  .hero { padding: 5rem 0 4rem; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

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

@media (max-width: 520px) {
  .container,
  .container-narrow,
  .nav { padding: 0 1.25rem; }

  .footer-grid {
    grid-template-columns: 1fr;
  }

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

/* ============================================
   Reveal-on-scroll
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}