/* ===========================================================
   Automateworld - styles.css
   =========================================================== */

:root {
  /* AutoMate World v3 brand palette */
  --color-bg: #102B49;            /* Deep Navy */
  --color-bg-light: #FFFFFF;
  --color-surface: #F2E8DE;       /* Warm Cream */
  --color-surface-soft: #FAF6F1;
  --color-primary: #213D5B;       /* Deep Blue */
  --color-primary-dark: #102B49;
  --color-accent: #D9A052;        /* Warm Gold */
  --color-accent-dark: #B8744B;   /* Bronze */
  --color-accent-text: #96582F;   /* Bronze, darkened for small text on light backgrounds */
  --color-accent-2: #E3A486;      /* Soft Peach */
  --color-accent-3: #D9A052;
  --color-text: #102B49;
  --color-text-muted: #4A5D73;
  --color-text-inverse: #F2E8DE;
  --color-border: rgba(16, 43, 73, 0.12);

  --font-h1: "Montserrat", Arial, sans-serif;
  --font-h2: "Montserrat", Arial, sans-serif;
  --font-body: "Montserrat", Arial, sans-serif;

  --container-width: 1200px;
  --radius: 6px;
  --transition: 0.2s ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, h5, h6 { margin: 0 0 0.5em; line-height: 1.2; }
h1 { font-family: var(--font-h1); font-weight: 700; letter-spacing: -0.01em; }
h2, h3, h4, h5, h6 { font-family: var(--font-h2); font-weight: 600; }
p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: background var(--transition), border-color var(--transition);
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-accent {
  background: var(--color-accent);
  color: var(--color-bg);
}
.btn-accent:hover {
  background: var(--color-bg);
  color: var(--color-text-inverse);
}
.hero-home .btn-accent:hover,
.cta-banner .btn-accent:hover,
.stats .btn-accent:hover {
  background: var(--color-text-inverse);
  color: var(--color-bg);
}
.btn-navy {
  background: var(--color-bg);
  color: var(--color-text-inverse);
}
.btn-navy:hover { background: var(--color-primary); }
.btn-lg { padding: 16px 34px; font-size: 1.05rem; }

.link-arrow {
  font-weight: 600;
  color: var(--color-primary-dark);
  transition: color var(--transition);
}
.link-arrow:hover { color: var(--color-accent-text); }

/* ---------- Fade-in on scroll ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
  transition: padding var(--transition);
  padding: 18px 0;
}
.site-header.is-scrolled {
  padding: 12px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.logo-img {
  height: 46px;
  width: auto;
  transition: height var(--transition);
}
.site-header.is-scrolled .logo-img { height: 40px; }
.logo-footer .logo-img { height: 64px; }
.main-nav ul {
  display: flex;
  gap: 28px;
}
.main-nav a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  opacity: 0.85;
  transition: opacity var(--transition), color var(--transition);
}
.main-nav a:hover { opacity: 1; color: var(--color-accent-text); }

.header-actions { display: flex; align-items: center; gap: 18px; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero-plain {
  padding: 180px 0 96px;
  background: var(--color-bg-light);
  color: var(--color-text);
  text-align: center;
}
.hero-inner { max-width: 720px; margin: 0 auto; }
.hero-page { padding: 160px 0 72px; }

.eyebrow {
  font-family: var(--font-h2);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--color-accent-text);
  margin-bottom: 16px;
}
.eyebrow-dark { color: var(--color-accent-text); }
.hero .eyebrow { font-family: var(--font-h1); }

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.hero-sub-lead {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  max-width: 560px;
  margin: 0 auto 8px;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto 32px;
}
.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}

/* ---------- Homepage hero (full-bleed background image, text kept clear of the books on the right) ---------- */
.hero-home {
  position: relative;
  background-image: url('images/herosection.png');
  background-size: cover;
  background-position: center;
  text-align: left;
  color: var(--color-text-inverse);
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-home-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(16, 43, 73, 0.9) 0%, rgba(16, 43, 73, 0.75) 55%, rgba(16, 43, 73, 0.5) 100%);
}
.hero-home-inner { position: relative; z-index: 1; max-width: 560px; margin: 0; }
.hero-home .hero-sub-lead,
.hero-home .hero-sub {
  margin-left: 0;
  margin-right: 0;
  max-width: none;
}
.hero-home .hero-ctas { justify-content: flex-start; }
.hero-home .eyebrow-dark { color: var(--color-accent); }
.hero-home .hero-sub-lead { color: var(--color-text-inverse); }
.hero-home .hero-sub { color: rgba(242, 232, 222, 0.85); }
.hero-home .hero-ctas .link-arrow { color: var(--color-text-inverse); }
.hero-home .hero-ctas .link-arrow:hover { color: var(--color-accent); }

/* ---------- Services ---------- */
.services { padding: 96px 0; background: var(--color-surface); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}
.services-grid-5 { grid-template-columns: repeat(5, 1fr); }
.service-card {
  display: block;
  background: var(--color-bg-light);
  padding: 32px 24px;
  transition: background var(--transition);
}
.service-card:hover {
  background: var(--color-surface-soft);
}
.service-card.is-active { background: var(--color-surface-soft); box-shadow: inset 0 3px 0 var(--color-accent); }
.service-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.service-card p { color: var(--color-text-muted); margin: 0; font-size: 0.95rem; }

/* ---------- Expertise ---------- */
.expertise { padding: 96px 0; }
.section-heading { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-heading h2 { font-size: 2.1rem; }

.expertise-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  max-width: 900px;
  margin: 0 auto;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}
.expertise-col {
  background: var(--color-bg-light);
  padding: 32px;
}
.expertise-col h4 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary-dark);
  margin-bottom: 20px;
}
.expertise-col-human h4 { color: var(--color-accent-text); }
.expertise-col li {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
  color: var(--color-text);
}
.expertise-col li:last-child { border-bottom: none; }

/* ---------- Stats ---------- */
.stats { background: var(--color-bg); padding: 72px 0; color: var(--color-text-inverse); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stats-grid-6 { grid-template-columns: repeat(6, 1fr); }
.stat-number {
  font-family: var(--font-h1);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--color-accent);
}
.stat-plus {
  font-family: var(--font-h1);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--color-accent);
}
.stat p { color: rgba(242,232,222,0.8); margin-top: 6px; font-size: 0.95rem; }

/* ---------- Logos ---------- */
.logos { padding: 64px 0; text-align: center; }
.logos-heading { color: var(--color-text-muted); font-weight: 500; margin-bottom: 32px; }
.logos-row {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 40px;
}
.logo-badge {
  font-family: var(--font-h2);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text-muted);
  opacity: 0.6;
  filter: grayscale(100%);
  transition: opacity var(--transition);
}
.logo-badge:hover { opacity: 1; }

/* ---------- Testimonial ---------- */
.testimonial { background: var(--color-surface-soft); padding: 96px 0; }
.testimonial-inner { max-width: 760px; margin: 0 auto; text-align: center; }
.testimonial blockquote { margin: 0; }
.testimonial p {
  font-family: var(--font-body);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.4;
}
.testimonial footer {
  margin-top: 20px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
.testimonial-link {
  display: inline-block;
  margin-top: 28px;
}

/* ---------- Featured Resource ---------- */
.featured-resource { padding: 96px 0; background: var(--color-bg-light); }
.featured-resource-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 48px;
}
.featured-resource-text h2 { font-size: 1.9rem; }
.featured-resource-text p { color: var(--color-text-muted); }
.featured-resource-image { border: 1px solid var(--color-border); overflow: hidden; }
.featured-resource-image img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Insights ---------- */
.insights { padding: 96px 0; }
.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}
.insight-card {
  background: var(--color-bg-light);
  padding: 28px;
}
.insight-tag {
  display: inline-block;
  font-family: var(--font-h2);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent-text);
  margin-bottom: 12px;
}
.insight-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.insight-card p { color: var(--color-text-muted); font-size: 0.9rem; }
.insights-footer { text-align: center; margin-top: 40px; }

/* ---------- Case study grid ---------- */
.case-grid-section { padding: 32px 0 96px; }
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.case-card {
  display: block;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
}
.case-card:hover { border-color: var(--color-accent); }
.case-card-image { aspect-ratio: 475 / 280; overflow: hidden; }
.case-card-image img { width: 100%; height: 100%; object-fit: cover; }
.case-tag {
  display: block;
  font-family: var(--font-h2);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent-text);
  padding: 20px 20px 0;
}
.case-card h3 {
  font-size: 1.05rem;
  color: var(--color-text);
  padding: 10px 20px 24px;
  margin: 0;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
  color: var(--color-text-inverse);
  padding: 100px 0;
  text-align: center;
}
/* Faint orbit-and-node motif echoing the logo */
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1200' height='400' viewBox='0 0 1200 400' preserveAspectRatio='xMidYMid slice' fill='none' stroke='%23D9A052' stroke-width='1.5'%3E%3Cellipse cx='1060' cy='200' rx='260' ry='120' transform='rotate(-18 1060 200)'/%3E%3Cellipse cx='140' cy='220' rx='220' ry='96' transform='rotate(14 140 220)'/%3E%3Cpath d='M0 340 C 240 300 420 370 640 330 S 1000 270 1200 310'/%3E%3Cg fill='%23D9A052' stroke='none'%3E%3Ccircle cx='812' cy='152' r='6'/%3E%3Ccircle cx='340' cy='190' r='5'/%3E%3Ccircle cx='640' cy='330' r='5'/%3E%3Ccircle cx='1000' cy='290' r='4'/%3E%3C/g%3E%3C/svg%3E") center / cover no-repeat;
  opacity: 0.2;
  pointer-events: none;
}
.cta-banner .container { position: relative; }
.cta-banner h2 { font-size: 2.1rem; max-width: 700px; margin: 0 auto 16px; }
.cta-banner p { max-width: 520px; margin: 0 auto 32px; color: rgba(242,232,222,0.85); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-surface);
  border-top: 3px solid var(--color-accent);
  color: var(--color-text-muted);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-border);
}
.logo-footer { margin-bottom: 10px; }
.footer-tagline { color: var(--color-text-muted); font-size: 0.9rem; }
.footer-col h5 {
  font-family: var(--font-h2);
  color: var(--color-text);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { font-size: 0.9rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--color-accent-text); }
.footer-bottom {
  text-align: center;
  padding: 24px 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}
.footer-bottom a { color: var(--color-text); font-weight: 500; }
.footer-bottom a:hover { color: var(--color-accent-text); }

/* ---------- Intro / text section (interior pages) ---------- */
.intro-section { padding: 24px 0 80px; }
.intro-section .intro-text {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

/* ---------- Offer / sub-service cards ---------- */
.offer-section { padding: 0 0 96px; }
.offer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}
.offer-card {
  background: var(--color-bg-light);
  padding: 32px;
}
.offer-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.offer-card p { color: var(--color-text-muted); font-size: 0.95rem; }
.offer-card ul { margin: 16px 0 0; }
.offer-card ul li {
  padding: 8px 0;
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-text);
}

/* ---------- Benefits list ---------- */
.benefits-section { padding: 0 0 96px; background: var(--color-surface); }
.benefits-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 40px;
  max-width: 900px;
  margin: 0 auto;
}
.benefit-item {
  font-size: 0.98rem;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

/* ---------- 3-column pillar cards (Careers, About) ---------- */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}
.pillar-card {
  background: var(--color-bg-light);
  padding: 28px;
}
.pillar-card h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}
.pillar-card p { color: var(--color-text-muted); font-size: 0.95rem; margin: 0; }

/* ---------- History / mission text block ---------- */
.text-block-section { padding: 56px 0 32px; }
.text-block { max-width: 760px; margin: 0 auto; text-align: center; color: var(--color-text-muted); }
.text-block h2 { color: var(--color-text); }
.text-block-links { margin-top: 32px; }
.text-block-links a { margin: 0 10px; }
.text-block-section + .expertise { padding-top: 32px; }

/* ---------- Contact page ---------- */
.contact-section { padding: 24px 0 96px; }
.contact-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 36px;
  display: grid;
  gap: 18px;
}
.form-field { display: grid; gap: 8px; }
.form-field label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text);
}
.form-field input,
.form-field textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg-light);
  color: var(--color-text);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field input:focus,
.form-field textarea:focus,
.blog-search:focus,
.newsletter-form input:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-accent);
}
.form-note { font-size: 0.875rem; color: var(--color-text-muted); margin-top: 8px; }
.form-note-error { color: #A3321F; }

.contact-info { display: grid; gap: 24px; }
.contact-info-item h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}
.contact-info-item p { margin: 0; color: var(--color-text-muted); }
.contact-info-item a { color: var(--color-text); font-weight: 600; }

/* ---------- Blog index page ---------- */
.blog-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 40px;
  margin-bottom: 64px;
}
.blog-featured-image { border: 1px solid var(--color-border); overflow: hidden; }
.blog-featured-image img { width: 100%; height: 100%; object-fit: cover; }
.blog-featured-text .insight-tag { display: inline-block; margin-bottom: 12px; }
.blog-featured-text h2 { font-size: 1.6rem; }
.blog-featured-meta { color: var(--color-text-muted); font-size: 0.875rem; margin-bottom: 12px; }

.blog-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 48px;
}
.blog-search {
  flex: 1;
  min-width: 220px;
  max-width: 340px;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: 0.9rem;
}
.newsletter-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.newsletter-form input {
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: 0.9rem;
}

.blog-list { display: grid; gap: 1px; background: var(--color-border); border: 1px solid var(--color-border); margin-bottom: 24px; }
.blog-list-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  background: var(--color-bg-light);
}
.blog-list-image { aspect-ratio: 4/3; }
.blog-list-image img { width: 100%; height: 100%; object-fit: cover; }
.blog-list-content { padding: 24px 24px 24px 0; }
.blog-list-content h3 { font-size: 1.15rem; margin-bottom: 8px; }
.blog-list-content p { color: var(--color-text-muted); font-size: 0.92rem; }
.blog-meta { color: var(--color-text-muted); font-size: 0.875rem; margin-bottom: 10px; }

/* ---------- Stub content pages (FAQ, Privacy, Accessibility, sample post/case study) ---------- */
.stub-section { padding: 0 0 96px; }
.stub-content { max-width: 760px; margin: 0 auto; color: var(--color-text-muted); }
.stub-content h2 { color: var(--color-text); font-size: 1.4rem; margin-top: 1.5em; }
.stub-content h2:first-child { margin-top: 0; }
.faq-item { padding: 20px 0; border-bottom: 1px solid var(--color-border); }
.faq-item h3 { font-size: 1.05rem; color: var(--color-text); margin-bottom: 8px; }
.faq-item p { color: var(--color-text-muted); margin: 0; }

/* ---------- Sample case study page ---------- */
.case-detail-hero-image { max-width: 900px; margin: 0 auto 64px; border: 1px solid var(--color-border); overflow: hidden; }
.case-detail-hero-image img { width: 100%; display: block; }
.case-detail-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}
.case-detail-meta div h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}
.case-detail-meta div p { margin: 0; color: var(--color-text-muted); }

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

/* Tablet / small desktop */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid-5 { grid-template-columns: repeat(3, 1fr); }
  .insights-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-resource-inner { grid-template-columns: 1fr; }
  .hero-home-inner { max-width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .hero h1 { font-size: 2.5rem; }
  .offer-grid { grid-template-columns: 1fr; }
  .pillar-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; }
  .blog-featured { grid-template-columns: 1fr; }
  .blog-list-card { grid-template-columns: 1fr; }
  .blog-list-content { padding: 0 20px 20px; }
  .case-detail-meta { grid-template-columns: 1fr; }
}

/* Tablet portrait / mobile nav breakpoint */
@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: 260px;
    background: var(--color-bg);
    padding: 100px 32px 32px;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 90;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 22px; }
  .main-nav a { color: var(--color-text-inverse); }
  .hamburger { display: flex; }

  .expertise-columns { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .stats-grid-6 { grid-template-columns: repeat(3, 1fr); }
  .insights-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .pillar-grid { grid-template-columns: 1fr; }
  .benefits-list { grid-template-columns: 1fr; }
  .blog-toolbar { flex-direction: column; align-items: stretch; }
  .blog-search { max-width: none; }
}

/* Mobile */
@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .services-grid-5 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .hero-sub { font-size: 1rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid-6 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .testimonial p { font-size: 1.2rem; }
  .btn-lg { padding: 14px 26px; font-size: 0.95rem; }

  .hero-home { min-height: 420px; }
  .stat-number, .stat-plus { font-size: 2.2rem; }

  .logo-img,
  .site-header.is-scrolled .logo-img { height: 34px; }
  .logo-footer .logo-img { height: 52px; }
  .header-actions { gap: 10px; }
  .header-actions .btn { padding: 9px 14px; font-size: 0.8rem; }
}