/* Self-hosted fonts — no Google Fonts roundtrip */
@font-face{font-family:'Fraunces';font-style:normal;font-weight:400;font-display:swap;src:url('/static/fonts/fraunces-400-normal.woff2') format('woff2');}
@font-face{font-family:'Fraunces';font-style:italic;font-weight:300;font-display:swap;src:url('/static/fonts/fraunces-300-italic.woff2') format('woff2');}
@font-face{font-family:'Fraunces';font-style:italic;font-weight:400;font-display:swap;src:url('/static/fonts/fraunces-400-italic.woff2') format('woff2');}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('/static/fonts/inter-400-normal.woff2') format('woff2');}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('/static/fonts/inter-500-normal.woff2') format('woff2');}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('/static/fonts/inter-600-normal.woff2') format('woff2');}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('/static/fonts/inter-700-normal.woff2') format('woff2');}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400;font-display:swap;src:url('/static/fonts/jetbrains-mono-400-normal.woff2') format('woff2');}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:500;font-display:swap;src:url('/static/fonts/jetbrains-mono-500-normal.woff2') format('woff2');}

/* Editorial Modern — design tokens */
:root {
  --font-serif: 'Fraunces', 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --ink: #0f1419;
  --ink-soft: #3d4a5c;
  --ink-mute: #6b7685;
  --paper: #ffffff;
  --paper-2: #f4f7fb;
  --line: rgba(15, 20, 25, 0.08);
  --accent: #53ADE7;
  --accent-deep: #004AAC;
  --accent-soft: rgba(83, 173, 231, 0.12);

  --fs-display: clamp(3rem, 6vw + 1rem, 5.75rem);
  --fs-h1: clamp(2.25rem, 4vw, 3.5rem);
  --fs-h2: clamp(1.75rem, 2.5vw, 2.5rem);
  --fs-h3: 1.35rem;
  --fs-body: 1.0625rem;
  --fs-small: 0.9375rem;
  --fs-kicker: 0.78rem;
  --lh-tight: 1.05;
  --lh-body: 1.65;

  --space-section: clamp(5rem, 9vw, 9rem);
  --container: 1160px;

  --ease: cubic-bezier(.2, .7, .2, 1);
  --dur-fast: 200ms;
  --dur-slow: 520ms;

  --paper-rgb: 255, 255, 255;
}

[data-theme="dark"] {
  --ink: #e7edf4;
  --ink-soft: #a8b2c0;
  --ink-mute: #6e7888;
  --paper: #0a0f16;
  --paper-2: #121924;
  --line: rgba(231, 237, 244, 0.08);
  --accent: #53ADE7;
  --accent-deep: #2a7fc4;
  --accent-soft: rgba(83, 173, 231, 0.16);
  --paper-rgb: 10, 15, 22;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  max-width: 100vw;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--ink);
  background: var(--paper);
  overflow-x: hidden;
  max-width: 100vw;
  width: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
}

/* Grain overlay */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.035;
  mix-blend-mode: multiply;
  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  0 0 0 0 0  0 0 0 0 0  0 0 0 0.9 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

[data-theme="dark"] .grain {
  opacity: 0.06;
  mix-blend-mode: overlay;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
  transition-delay: var(--d, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Shared kicker */
.kicker {
  font: 500 var(--fs-kicker) / 1 var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  display: inline-block;
}

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: transparent;
  z-index: 100;
  height: 64px;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
  overflow: visible;
}

.header.is-scrolled {
  background: rgba(var(--paper-rgb), 0.78);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  height: 100%;
  width: 100%;
  box-sizing: border-box;
  overflow: visible;
}

.logo {
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo-img {
  height: 40px;
  max-height: 40px;
  width: auto;
  object-fit: contain;
  display: block;
}

[data-theme="dark"] .logo-img {
  filter: invert(1) hue-rotate(180deg) brightness(1.15);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 1.75rem;
  align-items: center;
}

.nav-menu a {
  text-decoration: none;
  color: var(--ink-soft);
  font: 500 0.95rem / 1 var(--font-sans);
  transition: color var(--dur-fast) var(--ease);
  position: relative;
  padding: 4px 0;
}

.nav-menu a.active {
  color: var(--ink);
}

.nav-menu a:hover {
  color: var(--ink);
}

.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background-color: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  transform: scaleX(1);
}

/* Theme toggle */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--ink-soft);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
  padding: 0;
}

.theme-toggle:hover {
  color: var(--ink);
  border-color: var(--ink-mute);
}

.theme-toggle svg {
  width: 16px;
  height: 16px;
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

:root:not([data-theme="dark"]) .theme-toggle .icon-moon,
[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

/* Banner Styles */
.banner {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.banner-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: -1;
}

.banner-content {
  z-index: 1;
  max-width: 800px;
  padding: 0 2rem;
}

.banner h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  animation: fadeInUp 1s ease;
}

.banner h2 {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  animation: fadeInUp 1s ease 0.3s both;
}

/* Button system — Editorial Modern */
.btn-primary,
.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  background: var(--accent-deep);
  color: #fff;
  border: 1px solid var(--accent-deep);
  border-radius: 6px;
  font: 500 var(--fs-small) / 1 var(--font-sans);
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease);
}

.btn-primary:hover,
.contact-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px -12px rgba(0, 74, 172, 0.45);
  color: #fff;
}

.btn-primary:active,
.contact-btn:active {
  transform: translateY(0);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 4px;
  color: var(--ink);
  background: transparent;
  text-decoration: none;
  font: 500 var(--fs-small) / 1 var(--font-sans);
  position: relative;
  cursor: pointer;
  border: none;
}

.btn-ghost::after {
  content: '';
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 6px;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease);
}

.btn-ghost:hover::after {
  transform: scaleX(1);
}

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

/* YouTube Button on Portfolio */
.youtube-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #cc0000;
  border-color: #cc0000;
}

.youtube-btn:hover {
  box-shadow: 0 10px 24px -12px rgba(204, 0, 0, 0.6);
}

.youtube-icon {
  transition: transform var(--dur-fast) var(--ease);
}

.youtube-btn:hover .youtube-icon {
  transform: scale(1.08);
}

/* About Section */
.about-section {
  padding: var(--space-section) 0;
  background: var(--paper);
  position: relative;
  z-index: 2;
}

.about-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.8fr 2.2fr;
  gap: 5rem;
  align-items: flex-start;
  padding: 0 2rem;
}

.about-image {
  text-align: left;
  padding-left: 1rem;
}

.about-image img {
  width: 400px;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  object-fit: cover;
  object-position: center top;
  transition: transform var(--dur-slow) var(--ease);
  max-width: 100%;
  display: block;
}

.about-title-container {
  text-align: center;
  margin-bottom: 3rem;
  padding: 0 2rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  overflow: hidden;
}

.about-main-title {
  font: 400 var(--fs-h1) / 1.1 var(--font-serif);
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.about-text {
  padding-right: 2rem;
}

.about-text h4 {
  font: 400 1.5rem / 1.3 var(--font-serif);
  font-style: italic;
  margin-bottom: 1.5rem;
  color: var(--accent);
  letter-spacing: -0.015em;
}

.about-text p {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  margin-bottom: 1.25rem;
  color: var(--ink-soft);
}

.about-text a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent-soft);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  transition: text-decoration-color var(--dur-fast) var(--ease);
}

.about-text a:hover {
  text-decoration-color: var(--accent);
}

.service-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 1.5rem 0 2rem;
  list-style: none;
}

.service-keywords li {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.45rem 0.65rem;
  background: var(--paper-2);
  color: var(--ink-soft);
  font: 500 0.78rem / 1.2 var(--font-sans);
}

/* Boxes Section */
.boxes-section {
  padding: 80px 0;
  background: white;
}

.boxes-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.outer-box {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  padding: 3rem;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  margin-bottom: 3rem;
}

.inner-box {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.inner-box h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--accent-deep);
}

.inner-box p {
  font-size: 1.1rem;
  color: #666;
}

/* Testimonials */
.testimonials-section {
  padding: 80px 0;
  background: #f8f9fa;
}

.testimonials-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
}

.testimonials-title {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--accent-deep);
}

/* Testimonials Grid removed - using Swiper instead */
/* All testimonial styles now in home.html for Swiper carousel */

/* Use Cases Section */
.use-cases-section {
  padding: 80px 0;
  background: #ffffff; /* White background for contrast */
}

.use-cases-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
}

.use-cases-title {
  font-size: 2.8rem;
  margin-bottom: 1rem;
  color: var(--accent-deep);
  font-weight: 700;
}

.use-cases-subtitle {
  font-size: 1.2rem;
  margin-bottom: 3rem;
  color: #555;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

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

.use-case-card {
  background: #f8f9fa; /* Light grey background for cards */
  padding: 2.5rem 2rem;
  border-radius: 15px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  text-align: left;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.use-case-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.12);
}

.use-case-icon {
  margin-bottom: 1.5rem;
  text-align: center; /* Center icon */
}

.use-case-icon img {
  height: 50px;
  width: 50px;
  color: var(--accent);
}

.use-case-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--accent-deep);
  font-weight: 600;
  text-align: center;
}

.use-case-card p {
  font-size: 1rem;
  line-height: 1.7;
  color: #4a4a4a;
  flex-grow: 1; /* Ensures cards in a row have same height */
  text-align: center;
}

/* Blog Preview Section */
.blog-preview-section {
  padding: 80px 0;
  background: #ffffff;
}

.blog-preview-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
}

.blog-preview-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--accent-deep) !important;
  font-weight: 700;
  text-align: center;
}

.blog-preview-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--accent-deep) !important;
  font-weight: 600;
}

.use-case-portfolio-button-container {
  text-align: center;
  margin-top: 3rem; /* Add some space above the button */
}

/* Three Boxes Section */
.three-boxes-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  position: relative;
  overflow: hidden;
}

.three-boxes-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 4rem;
  padding: 0 2rem;
  align-items: center;
}

.text-box,
.image-box {
  padding: 0;
  border-radius: 0;
  box-shadow: none;
  transition: none;
  background: transparent;
}

.text-box {
  color: white;
  text-align: center;
}

.text-box h3 {
  font-size: 2.5rem;
  font-weight: bold;
  margin: 0;
  line-height: 1.2;
}

.image-box {
  text-align: center;
  background: transparent;
}

.image-box img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.image-box h3 {
  color: white;
  font-size: 1.5rem;
  margin-top: 1rem;
  font-weight: 600;
}

.text-box:hover,
.image-box:hover {
  transform: none;
}

/* Footer */
.footer {
  background: var(--paper-2);
  color: var(--ink-soft);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--line);
  position: relative;
  z-index: 2;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 3rem;
  padding: 0 2rem;
  align-items: start;
}

.footer-section h3 {
  margin-bottom: 1rem;
  font: 400 1.15rem / 1.3 var(--font-serif);
  letter-spacing: -0.01em;
  color: var(--ink);
}

.footer-logo {
  margin-bottom: 1.5rem;
  text-align: left;
  width: 100%;
}

.footer-logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  display: block;
}

[data-theme="dark"] .footer-logo-img {
  filter: invert(1) hue-rotate(180deg) brightness(1.15);
}

.footer-section p {
  color: var(--ink-soft);
  line-height: 1.7;
  font-size: var(--fs-small);
  margin-bottom: 0.3rem;
}

.footer-section a {
  color: var(--ink-soft);
  text-decoration: none;
  line-height: 1.7;
  font-size: var(--fs-small);
  transition: color var(--dur-fast) var(--ease);
  border-bottom: 1px solid transparent;
}

.footer-section a:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.footer-social {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.footer-social li {
  font-size: var(--fs-small);
  color: var(--ink-mute);
  position: relative;
}

.footer-social li + li::before {
  content: "·";
  margin-right: 1rem;
  color: var(--ink-mute);
}

.footer-bottom {
  max-width: var(--container);
  margin: 0 auto;
  padding: 2rem 2rem 0;
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font: 400 0.85rem / 1.6 var(--font-mono);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  margin: 0;
  font-size: inherit;
  font-family: inherit;
  color: inherit;
}

.footer-bottom a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

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

/* Portfolio Styles */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.project-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.project-image {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  border-radius: 15px 15px 0 0;
  background-color: #f0f0f0;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
  display: block;
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  cursor: pointer;
  z-index: 2;
}

.project-card:hover .video-overlay {
  opacity: 1;
}

/* Private demo overlay (replaces YouTube play button on confidential projects) */
.private-overlay {
  background: rgba(0, 74, 172, 0.78);
  text-decoration: none;
  color: #fff;
  gap: 12px;
  padding: 0 24px;
  text-align: center;
}

.private-overlay .private-lock {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.private-overlay .demo-text {
  font: 500 0.95rem / 1.4 var(--font-sans);
  color: #fff;
  letter-spacing: 0.01em;
}

.project-card:hover .private-overlay {
  opacity: 1;
}

.play-button {
  margin-bottom: 10px;
  transition: transform 0.3s ease;
}

.video-overlay:hover .play-button {
  transform: scale(1.1);
}

.demo-text {
  color: white;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-content h3 {
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
  color: var(--ink);
  line-height: 1.3;
}

.project-content p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 1.2rem;
  flex-grow: 1;
}

/* Contact Form */
.contact-section {
  padding: 80px 0;
  background: #f8f9fa;
}

.contact-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
}

.contact-form {
  background: white;
  padding: 3rem;
  border-radius: 15px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.form-group {
  margin-bottom: 2rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: bold;
  color: var(--ink);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

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

.submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  border-radius: 6px;
  font: 500 var(--fs-small) / 1 var(--font-sans);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px -12px rgba(0, 74, 172, 0.45);
}

.submit-btn:active {
  transform: translateY(0);
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
}

.modal-content {
  position: relative;
  background-color: #000;
  margin: 5% auto;
  padding: 0;
  border-radius: 10px;
  width: 90%;
  max-width: 900px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.modal video {
  width: 100%;
  height: auto;
  border-radius: 10px;
  display: block;
}

/* YouTube Player Styles */
.youtube-player {
  position: relative;
  width: 100%;
  height: 500px;
  border-radius: 10px;
  overflow: hidden;
}

.youtube-player iframe {
  border-radius: 10px;
  width: 100%;
  height: 100%;
}

.close {
  position: absolute;
  top: -40px;
  right: 0;
  color: white;
  font-size: 35px;
  font-weight: bold;
  cursor: pointer;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 50%;
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease;
}

.close:hover {
  background: rgba(255, 0, 0, 0.8);
}

/* Flash Messages */
.flash-messages {
  max-width: 800px;
  margin: 0 auto;
  padding: 1rem 2rem;
}

.flash-message {
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 5px;
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}


/* Responsive Design */
@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    align-items: center;
  }

  .footer-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-section {
    margin-bottom: 1rem;
  }

  .nav-menu {
    flex-direction: column;
    gap: 1rem;
  }

  .banner h1 {
    font-size: 2.5rem;
  }

  .about-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .three-boxes-container {
    grid-template-columns: 1fr;
  }

  .portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    padding: 1rem;
    gap: 1.5rem;
  }

  .project-image {
    height: 320px;
  }

  .project-content {
    padding: 1.2rem;
  }

  .project-content h3 {
    font-size: 1.3rem;
  }

  .modal-content {
    margin: 10% auto;
    width: 95%;
  }

  /* YouTube Player Mobile */
  .youtube-player {
    height: 250px;
  }

  .footer-logo-img {
    height: 100px;
  }

  .video-overlay {
    opacity: 1;
    background: rgba(0, 0, 0, 0.3);
  }

  .play-button svg {
    width: 45px;
    height: 45px;
  }

  .demo-text {
    font-size: 12px;
  }

  .modal-content {
    width: 95%;
    margin: 10% auto;
  }

  .close {
    top: -35px;
    font-size: 28px;
    width: 35px;
    height: 35px;
  }
}

@media (max-width: 1200px) {
  .about-container {
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
  }

  .about-image img {
    width: 350px;
    height: 350px;
  }
}

@media (max-width: 992px) {
  .about-container {
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
  }

  .about-image img {
    width: 300px;
    height: 300px;
  }

  .about-text h3 {
    font-size: 2.2rem;
  }

  .about-text h4 {
    font-size: 1.6rem;
  }
}

@media (max-width: 768px) {
  .about-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .about-image {
    text-align: center;
    padding-left: 0;
  }

  .about-image img {
    width: 280px;
    height: 280px;
  }

  .about-text {
    padding-right: 0;
  }

  .about-text p {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .about-image img {
    width: 240px;
    height: 240px;
  }

  .about-text h3 {
    font-size: 2rem;
  }

  .about-text h4 {
    font-size: 1.4rem;
  }

  .about-text p {
    font-size: 1rem;
  }

  .project-image {
    height: 300px;
  }

  .project-content h3 {
    font-size: 1.2rem;
  }

  .project-content p {
    font-size: 0.95rem;
  }

  .footer-logo-img {
    height: 80px;
  }
}

/* Enhanced Mobile Responsive Design */

/* Mobile Optimization - 768px and below */
@media (max-width: 768px) {
  /* Banner Mobile Fix */
  .banner {
    padding: 0 1rem;
  }

  .banner-content {
    padding: 0 1rem;
    margin-top: 60px;
  }

  .banner h1 {
    font-size: 2rem !important;
    line-height: 1.2;
    margin-bottom: 1rem;
  }

  .banner h2 {
    font-size: 1.2rem !important;
  }

  .contact-btn {
    padding: 12px 25px;
    font-size: 1rem;
  }

  /* Sections Padding Fix */
  .about-section,
  .boxes-section,
  .testimonials-section,
  .three-boxes-section,
  .contact-section {
    padding: 60px 0;
  }

  /* Container Padding Fix */
  .about-container,
  .boxes-container,
  .testimonials-container,
  .three-boxes-container,
  .contact-container {
    padding: 0 1rem;
  }

  /* About Section Mobile */
  .about-image img {
    width: 100%;
    max-width: 280px;
    height: auto;
    aspect-ratio: 1;
  }

  .about-text h3 {
    font-size: 1.8rem !important;
  }

  .about-text h4 {
    font-size: 1.3rem !important;
  }

  /* Testimonials Mobile */
  .testimonials-title {
    font-size: 2rem !important;
    margin-bottom: 2rem;
  }

  /* Testimonials handled by Swiper breakpoints */

  /* Three Boxes Mobile */
  .text-box h3 {
    font-size: 1.8rem !important;
    line-height: 1.2;
  }

  .image-box img {
    width: 150px;
    height: 150px;
  }

  /* Boxes Section Mobile */
  .outer-box {
    padding: 2rem 1rem;
    margin-bottom: 2rem;
  }

  .inner-box {
    padding: 1.5rem;
  }

  /* Contact Form Mobile */
  .contact-form {
    padding: 2rem 1.5rem;
  }

  /* Footer Mobile */
  .footer {
    padding: 2rem 0 1rem;
  }

  .footer-container {
    padding: 0 1rem;
  }

  .footer-logo-img {
    height: 120px;
  }
}

/* Extra Small Mobile - 480px and below */
@media (max-width: 480px) {
  .banner h1 {
    font-size: 1.7rem !important;
  }

  .banner h2 {
    font-size: 1rem !important;
  }

  .about-text h3 {
    font-size: 1.5rem !important;
  }

  .text-box h3 {
    font-size: 1.4rem !important;
  }

  .testimonials-title {
    font-size: 1.7rem !important;
  }

  .nav-menu {
    flex-direction: column;
    gap: 0.5rem;
  }

  .nav-menu a {
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
  }

  .logo-img {
    height: 80px;
  }
}

/* Landscape Mobile Fix */
@media (max-width: 768px) and (orientation: landscape) {
  .banner {
    height: 100vh;
  }

  .banner-content {
    margin-top: 40px;
  }

  .banner h1 {
    font-size: 1.8rem !important;
  }

  .banner h2 {
    font-size: 1rem !important;
  }
}

/* Hamburger Menu Styles */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  z-index: 1001;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: #333;
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
  }

  /* Hamburger animation (X icon on toggle) */
  .hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
  }
}

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

.project-image {
  height: 350px;
}

.project-content {
  padding: 1.2rem;
}

.project-content h3 {
  font-size: 1.3rem;
}

/* Example of a media query for mobile devices */
@media (max-width: 768px) {
  /* Adjust breakpoint as needed */
  .about-image {
    /* Maybe reduce padding or margins, or ensure height is flexible */
    height: auto; /* Or adjust height as needed for mobile */
  }
}

/* 
==============================================
About Section Override Styles
==============================================
*/

/* Overriding the default grid layout with a more responsive flexbox layout */
.about-section .about-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2rem;
  max-width: 1100px;
}

/* Setting the order and size for text and image containers */
.about-section .about-text {
  flex: 1 1 50%;
  order: 1; /* Text appears first */
  padding-right: 0; /* Reset padding */
}

.about-section .about-image {
  flex: 1 1 40%;
  order: 2; /* Image appears second */
  text-align: center;
  padding-left: 0; /* Reset padding */
}

/* Styling for the image to prevent distortion and add a modern look */
.about-section .about-image img {
  max-width: 100%;
  height: auto;
  max-height: 520px;
  border: 1px solid var(--line);
  border-radius: 4px;
  display: inline-block;
}

/* About section buttons wrapper */
.about-buttons {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

/* Secondary outline button used on about/contact/portfolio */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 6px;
  text-decoration: none;
  font: 500 var(--fs-small) / 1 var(--font-sans);
  cursor: pointer;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  transition: transform var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
  border-color: var(--ink);
  color: var(--ink);
}

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

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

/* Responsive override for the about section */
@media (max-width: 992px) {
  .about-section .about-container {
    flex-direction: column;
    text-align: center;
  }

  .about-section .about-text,
  .about-section .about-image {
    order: 0; /* Reset order to follow HTML */
    flex-basis: 100%;
  }

  .about-section .about-image {
    margin-bottom: 2rem;
  }

  .about-section .about-buttons {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .about-text p {
    text-align: justify; /* Ensure justify is kept on mobile */
  }

  .about-main-title {
    font-size: 2rem;
  }

  .about-title-container {
    padding: 0 1rem;
    margin-bottom: 2rem;
  }
}

@media (max-width: 480px) {
  .about-main-title {
    font-size: 1.8rem;
  }
}

/* Blog Post Images */
.blog-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 2rem auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-content img:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.blog-content p em {
  display: block;
  text-align: center;
  font-style: italic;
  color: #666;
  margin-top: -1rem;
  margin-bottom: 2rem;
  font-size: 0.9rem;
}

/* Specific sizing for flow diagrams */
.blog-content img[src*="flowdiagram"] {
  max-width: 80%;
  width: 600px;
}

.blog-content img[src*="advancedRAG"] {
  max-width: 90%;
  width: 700px;
}

.blog-content img[src*="basic_rag"] {
  max-width: 85%;
  width: 550px;
}

/* Responsive Blog Images */
@media (max-width: 768px) {
  .blog-content img {
    margin: 1.5rem auto;
    border-radius: 6px;
  }

  .blog-content img[src*="flowdiagram"],
  .blog-content img[src*="advancedRAG"],
  .blog-content img[src*="basic_rag"] {
    max-width: 100%;
    width: auto;
  }

  .blog-content p em {
    font-size: 0.85rem;
    margin-top: -0.5rem;
    margin-bottom: 1.5rem;
  }
}

@media (max-width: 480px) {
  .blog-content img[src*="advancedRAG"] {
    max-width: 100%;
    width: auto;
  }
}

/* Global Blog Content Styling */
.post-content,
.blog-content {
  text-align: justify;
  line-height: 1.8; /* Improve readability */
}

.post-content h1,
.post-content h2,
.post-content h3,
.blog-content h1,
.blog-content h2,
.blog-content h3 {
  text-align: left; /* Keep headers left-aligned */
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

/* Portfolio Filters */
.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 1200px;
  margin: 0 auto 40px;
  padding: 0 20px;
}

.pf-filter {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-soft);
  font: 500 var(--fs-small) / 1 var(--font-sans);
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.pf-filter:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.pf-filter.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.pf-count {
  display: inline-block;
  min-width: 22px;
  padding: 1px 7px;
  font: 500 0.75rem / 1.4 var(--font-mono);
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  text-align: center;
}

.pf-filter.active .pf-count {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
}

.project-card.pf-hidden {
  display: none;
}

@media (max-width: 600px) {
  .pf-filter {
    padding: 8px 14px;
    font-size: 0.85rem;
  }
}

/* Unified Page Hero (About / Portfolio / Contact / Case Studies) */
.page-hero {
  position: relative;
  padding: 140px 2rem 80px;
  text-align: center;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
}

.page-hero-kicker {
  display: inline-block;
  font: 500 var(--fs-kicker) / 1 var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  margin-bottom: 18px;
}

.page-hero h1 {
  font: 400 var(--fs-h1) / var(--lh-tight) var(--font-serif);
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 16px;
}

.page-hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 auto 28px;
}

.page-hero-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  align-items: center;
}

@media (max-width: 768px) {
  .page-hero {
    padding: 110px 1.5rem 60px;
  }
}

@media (max-width: 480px) {
  .page-hero {
    padding: 96px 1rem 48px;
  }
}

/* Blog Index */
.blog-controls {
  padding: 32px 2rem 16px;
  border-bottom: 1px solid var(--line);
}

.blog-controls-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  align-items: center;
}

.blog-tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.blog-tag {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font: 500 var(--fs-small) / 1 var(--font-sans);
  color: var(--ink-soft);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.blog-tag:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.blog-tag.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.blog-active-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px 6px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font: 500 var(--fs-small) / 1 var(--font-sans);
  color: var(--ink-soft);
}

.blog-active-tag strong {
  color: var(--accent);
  font-weight: 600;
}

.blog-active-tag a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--paper-2);
  color: var(--ink-mute);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.blog-active-tag a:hover {
  color: var(--paper);
  background: var(--accent);
}

.blog-search {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink-mute);
  transition: border-color var(--dur-fast) var(--ease);
}

.blog-search:focus-within {
  border-color: var(--accent);
  color: var(--accent);
}

.blog-search input {
  border: none;
  outline: none;
  background: transparent;
  font: 500 var(--fs-small) / 1 var(--font-sans);
  color: var(--ink);
  width: 220px;
}

.blog-search input::placeholder {
  color: var(--ink-mute);
}

.blog-grid-section {
  padding: 64px 2rem var(--space-section);
}

.blog-grid-inner {
  max-width: var(--container);
  margin: 0 auto;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 40px 32px;
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  transition: transform var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.blog-card:hover {
  transform: translateY(-2px);
  border-color: var(--ink-mute);
  box-shadow: 0 16px 30px -18px rgba(15, 20, 25, 0.18);
}

.blog-card-image {
  position: relative;
  display: block;
  aspect-ratio: 5 / 3;
  overflow: hidden;
  background: var(--paper-2);
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease);
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.04);
}

.blog-card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 12px;
  background: rgba(var(--paper-rgb), 0.92);
  backdrop-filter: blur(6px);
  border: 1px solid var(--line);
  border-radius: 999px;
  font: 500 0.72rem / 1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.blog-card-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-meta {
  display: flex;
  gap: 8px;
  font: 500 0.78rem / 1 var(--font-mono);
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.blog-card-title {
  font: 400 1.35rem / 1.25 var(--font-serif);
  letter-spacing: -0.015em;
  margin: 0 0 10px;
  color: var(--ink);
}

.blog-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}

.blog-card:hover .blog-card-title a {
  color: var(--accent);
}

.blog-card-excerpt {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 20px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 500 var(--fs-small) / 1 var(--font-sans);
  color: var(--accent);
  text-decoration: none;
  margin-top: auto;
  transition: gap var(--dur-fast) var(--ease);
}

.blog-card-more:hover {
  gap: 10px;
}

.blog-empty {
  text-align: center;
  padding: 80px 0;
  color: var(--ink-mute);
  font-style: italic;
  font-family: var(--font-serif);
  font-size: 1.1rem;
}

/* Blog Post Detail */
.blog-post {
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 1.5rem var(--space-section);
}

.blog-post-header {
  text-align: center;
  padding-bottom: 40px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--line);
}

.blog-post-kicker {
  display: inline-block;
  font: 500 var(--fs-kicker) / 1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  margin-bottom: 20px;
}

.blog-post-title {
  font: 400 clamp(2rem, 4vw, 3.25rem) / 1.1 var(--font-serif);
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 24px;
}

.blog-post-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  font: 500 0.82rem / 1 var(--font-mono);
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.blog-post-cover {
  margin: 0 0 48px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 16 / 9;
  background: var(--paper-2);
}

.blog-post-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.post-content {
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--ink);
}

.post-content > * + * {
  margin-top: 1.25em;
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-top: 2.25em;
  margin-bottom: 0.5em;
  line-height: 1.2;
}

.post-content h1 { font-size: 2rem; }
.post-content h2 { font-size: 1.6rem; }
.post-content h3 { font-size: 1.3rem; }

.post-content p {
  color: var(--ink);
}

.post-content a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: var(--accent-soft);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--dur-fast) var(--ease);
}

.post-content a:hover {
  text-decoration-color: var(--accent);
}

.post-content strong {
  font-weight: 600;
  color: var(--ink);
}

.post-content em {
  font-style: italic;
}

.post-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 8px 0 8px 24px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--ink-soft);
  margin: 2em 0;
}

.post-content code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--paper-2);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent-deep);
}

.post-content pre {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px 24px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 2em 0;
}

.post-content pre code {
  background: transparent;
  padding: 0;
  color: var(--ink);
}

.post-content ul,
.post-content ol {
  padding-left: 28px;
}

.post-content li {
  margin: 0.5em 0;
}

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--line);
  margin: 2em 0;
  display: block;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2em 0;
  font-size: 0.95rem;
}

.post-content th,
.post-content td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.post-content th {
  font-weight: 600;
  color: var(--ink);
  background: var(--paper-2);
}

.post-content hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 3em 0;
}

[data-theme="dark"] .post-content code {
  color: var(--accent);
}

.blog-post-footer {
  margin-top: 72px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.blog-post-footer a.btn-ghost {
  font-family: var(--font-sans);
}

@media (max-width: 640px) {
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .blog-search input {
    width: 160px;
  }
  .blog-controls-inner {
    flex-direction: column;
    align-items: stretch;
  }
  .blog-search {
    width: 100%;
  }
  .blog-search input {
    width: 100%;
  }
}

/* ==========================================================================
   Editorial Modern — Home page
   ========================================================================== */

/* Hero */
.hero {
  padding: 180px 2rem 120px;
  background: var(--paper);
  position: relative;
  z-index: 2;
}

.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
}

.hero-title {
  font: 400 var(--fs-display) / var(--lh-tight) var(--font-serif);
  letter-spacing: -0.025em;
  margin: 0.3em 0 0.4em;
  color: var(--ink);
}

.hero-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--accent-deep);
}

.hero-lede {
  max-width: 58ch;
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 2rem;
}

.hero-actions {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}

.hero-meta {
  font: 400 0.85rem / 1 var(--font-mono);
  color: var(--ink-mute);
  margin-top: 3rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.hero-meta .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

@media (max-width: 720px) {
  .hero {
    padding: 140px 1.25rem 80px;
  }
  .hero-meta {
    margin-top: 2rem;
  }
}

/* Stats bar */
.stats {
  padding: var(--space-section) 2rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 2;
}

.stats-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat {
  padding-right: 2rem;
  border-right: 1px solid var(--line);
}

.stat:last-child {
  border-right: none;
}

.stat-num {
  font: 400 3.25rem / 1 var(--font-serif);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  letter-spacing: -0.02em;
}

.stat-unit {
  font-size: 1.5rem;
  color: var(--ink-mute);
  margin-left: 2px;
}

.stat-label {
  font: 500 0.75rem / 1.4 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
  margin-top: 10px;
  display: block;
}

@media (max-width: 700px) {
  .stats-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem 1.5rem;
  }
  .stat:nth-child(2n) {
    border-right: none;
  }
  .stat:nth-child(1),
  .stat:nth-child(2) {
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--line);
  }
  .stat-num {
    font-size: 2.5rem;
  }
}

/* Pull quote */
.pullquote {
  padding: var(--space-section) 2rem;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.pullquote blockquote {
  margin: 0;
}

.pullquote blockquote p {
  font: 300 clamp(1.6rem, 3vw, 2.4rem) / 1.35 var(--font-serif);
  color: var(--ink);
  text-align: center;
  letter-spacing: -0.015em;
  margin: 0;
}

.pullquote blockquote p em {
  font-style: italic;
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: var(--accent-soft);
  text-underline-offset: 6px;
  text-decoration-thickness: 2px;
}

.pullquote cite {
  display: block;
  text-align: center;
  margin-top: 2rem;
  font: 500 0.8rem / 1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
  font-style: normal;
}

.pullquote cite::before {
  content: "— ";
}

/* What I build */
.what-i-build {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 6rem;
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-section) 2rem;
  position: relative;
  z-index: 2;
}

.wib-head .kicker {
  margin-bottom: 1.25rem;
}

.wib-head h2 {
  font: 400 var(--fs-h1) / 1.1 var(--font-serif);
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
}

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

.wib-item {
  display: grid;
  grid-template-columns: 28px 1fr 24px;
  gap: 20px;
  align-items: start;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  cursor: default;
  transition: padding var(--dur-fast) var(--ease);
}

.wib-item:last-child {
  border-bottom: 1px solid var(--line);
}

.wib-item img {
  width: 28px;
  height: 28px;
  opacity: 0.9;
}

[data-theme="dark"] .wib-item img {
  filter: invert(1) hue-rotate(180deg) brightness(1.1);
}

.wib-item h3 {
  font: 500 1.05rem / 1.3 var(--font-sans);
  color: var(--ink);
  margin: 0 0 6px;
  letter-spacing: normal;
  transition: color var(--dur-fast) var(--ease);
}

.wib-item p {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.55;
}

.wib-item .arrow {
  color: var(--ink-mute);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
  font-size: 1.1rem;
  align-self: center;
}

.wib-item:hover {
  padding-left: 8px;
}

.wib-item:hover .arrow {
  opacity: 1;
  transform: translateX(0);
  color: var(--accent);
}

.wib-item:hover h3 {
  color: var(--accent);
}

@media (max-width: 900px) {
  .what-i-build {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

/* FAQ using <details> */
.faq-section {
  padding: var(--space-section) 2rem;
  background: var(--paper);
  position: relative;
  z-index: 2;
}

.faq-inner {
  max-width: 900px;
  margin: 0 auto;
}

.faq-head {
  text-align: center;
  margin-bottom: 3rem;
}

.faq-head h2 {
  font: 400 var(--fs-h1) / 1.1 var(--font-serif);
  letter-spacing: -0.02em;
  margin: 0.5rem 0 0.75rem;
}

.faq-head p {
  color: var(--ink-soft);
  font-size: 1rem;
}

.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 1.25rem 0;
}

.faq-item:first-of-type {
  border-top: 1px solid var(--line);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font: 500 1.1rem / 1.4 var(--font-sans);
  color: var(--ink);
  padding: 0.25rem 0;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item .chev {
  flex-shrink: 0;
  transition: transform var(--dur-fast) var(--ease);
  color: var(--ink-mute);
}

.faq-item[open] .chev {
  transform: rotate(180deg);
}

.faq-answer p {
  padding-top: 1rem;
  max-width: 68ch;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* Blog preview restyle */
.blog-preview-section {
  padding: var(--space-section) 2rem;
  background: var(--paper);
  position: relative;
  z-index: 2;
}

.blog-preview-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0;
  text-align: center;
}

.blog-preview-title {
  font: 400 var(--fs-h1) / 1.1 var(--font-serif) !important;
  letter-spacing: -0.02em;
  color: var(--ink) !important;
  margin-bottom: 0.5rem;
}

.blog-preview-subtitle {
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin-bottom: 3.5rem;
}

.blog-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 2rem;
  margin-bottom: 2.5rem;
  text-align: left;
}

.blog-preview-card {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2rem;
  box-shadow: none;
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.blog-preview-card:hover {
  border-color: var(--ink-mute);
  transform: translateY(-2px);
  box-shadow: none;
}

.blog-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.25rem;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.blog-card-icon img {
  width: 100%;
  height: 100%;
  filter: none;
}

[data-theme="dark"] .blog-card-icon img {
  filter: invert(1) hue-rotate(180deg) brightness(1.1);
}

.blog-preview-card h3 {
  font: 400 1.5rem / 1.25 var(--font-serif) !important;
  letter-spacing: -0.015em;
  color: var(--ink) !important;
  margin-bottom: 0.75rem;
}

.blog-preview-card p {
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  font-size: 0.98rem;
}

.blog-topics {
  list-style: none;
  padding: 0;
  margin: 0;
}

.blog-topics li {
  padding: 6px 0;
  color: var(--ink-soft);
  position: relative;
  padding-left: 18px;
  font-size: 0.92rem;
}

.blog-topics li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.blog-cta {
  margin-top: 2rem;
}

@media (max-width: 800px) {
  .blog-preview-grid {
    grid-template-columns: 1fr;
  }
}

/* Testimonials restyle */
.tm-section {
  padding: var(--space-section) 1rem;
  background: var(--paper);
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--line);
}

.tm-header {
  text-align: center;
  margin-bottom: 3rem;
}

.tm-badge {
  display: inline-block;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 1rem;
}

.tm-badge span {
  font: 500 var(--fs-kicker) / 1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
}

.tm-title {
  font: 400 var(--fs-h1) / 1.1 var(--font-serif);
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.tm-subtitle {
  font-size: 1rem;
  color: var(--ink-soft);
  max-width: 520px;
  margin: 0 auto;
}

.tm-rows {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 100%;
  overflow: hidden;
}

.tm-row-wrapper {
  position: relative;
  overflow: hidden;
}

.tm-row-fade {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 90px;
  z-index: 2;
  pointer-events: none;
}

.tm-row-fade-left {
  left: 0;
  background: linear-gradient(to right, var(--paper), transparent);
}

.tm-row-fade-right {
  right: 0;
  background: linear-gradient(to left, var(--paper), transparent);
}

.tm-track {
  display: flex;
  gap: 20px;
  width: max-content;
}

@keyframes tm-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes tm-scroll-reverse {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

.tm-scroll {
  animation: tm-scroll 40s linear infinite;
}

.tm-scroll-reverse {
  animation: tm-scroll-reverse 40s linear infinite;
}

.tm-track:hover {
  animation-play-state: paused;
}

.tm-card {
  flex-shrink: 0;
  width: 360px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 24px 20px 20px;
  box-shadow: none;
  position: relative;
  transition: border-color var(--dur-fast) var(--ease);
}

.tm-card:hover {
  border-color: var(--ink-mute);
}

.tm-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 14px;
}

.tm-text {
  position: relative;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink);
  margin-bottom: 1.25rem;
  padding-left: 4px;
}

.tm-text::before {
  content: "\201C";
  position: absolute;
  top: -18px;
  left: -4px;
  font: 400 4rem / 1 var(--font-serif);
  color: var(--accent);
  opacity: 0.2;
  pointer-events: none;
}

.tm-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tm-avatar {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font: 400 1.1rem / 1 var(--font-serif);
  flex-shrink: 0;
  border-radius: 4px;
}

.tm-name {
  font: 500 0.9rem / 1.3 var(--font-sans);
  color: var(--ink);
  margin: 0;
}

.tm-role {
  color: var(--accent);
  font: 400 0.78rem / 1.3 var(--font-mono);
  margin: 3px 0 0;
}

.tm-result {
  font: 500 0.72rem / 1.4 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

@media (max-width: 768px) {
  .tm-card {
    width: 300px;
  }
  .tm-row-fade {
    width: 40px;
  }
}

@media (max-width: 480px) {
  .tm-section {
    padding: 60px 0.5rem;
  }
  .tm-card {
    width: 270px;
    padding: 20px 16px 16px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* Content stacking above grain (excludes .header — it must remain position:fixed) */
main,
section,
.footer {
  position: relative;
  z-index: 2;
}

/* Mobile nav — adapt to theme tokens */
@media (max-width: 768px) {
  .header {
    height: 64px;
    min-height: 64px;
    padding: 0;
  }
  .header.is-scrolled {
    background: rgba(var(--paper-rgb), 0.92);
  }
  .nav-container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.25rem;
    height: 64px;
  }
  .logo-img {
    height: 36px;
  }
  .nav-menu {
    position: fixed;
    top: 64px;
    right: -100%;
    width: 100%;
    height: calc(100vh - 64px);
    background: var(--paper);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: 2.5rem;
    gap: 0;
    transition: right var(--dur-slow) var(--ease);
    border-top: 1px solid var(--line);
  }
  .nav-menu.active {
    right: 0;
  }
  .nav-menu li {
    margin: 0;
    width: 100%;
    text-align: center;
  }
  .nav-menu a {
    font-size: 1.1rem;
    padding: 1rem 2rem;
    display: block;
    background: transparent;
    border-radius: 0;
    width: auto;
    color: var(--ink);
    border-bottom: 1px solid var(--line);
  }
  .nav-menu a::after {
    display: none;
  }
  .nav-menu a:hover {
    background: var(--paper-2);
    transform: none;
  }
  .hamburger span {
    background: var(--ink);
  }
  .theme-toggle {
    margin: 1rem auto;
  }
}