/*
Theme Name: HVAC
Theme URI: https://example.com
Author: Optima Design
Author URI: https://example.com
Description: Custom HVAC WordPress Theme
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: hvac
*/

/* ============================================================
   CSS VARIABLES
   ============================================================ */
:root {
  --color-accent:      #e8d04b;
  --color-accent-dark: #c9b232;
  --color-bg:          #111111;
  --color-bg-alt:      #1a1a1a;
  --color-bg-card:     #1e1e1e;
  --color-text:        #ffffff;
  --color-text-muted:  #aaaaaa;
  --color-border:      #2a2a2a;

  --font-main: 'Outfit', sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-pill: 999px;

  --container:  1200px;
  --gap:        1.5rem;
  --section-py: 4rem;

  --transition: 0.3s ease;
}

/* ============================================================
   RESET & BASE  (mobile-first)
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }

ul, ol { list-style: none; }

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

button { cursor: pointer; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-main);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

h1 { font-size: clamp(2rem, 7vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 3.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }
h5 { font-size: 1rem; }

p { color: var(--color-text-muted); line-height: 1.7; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-tag::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--color-accent);
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.section { padding-block: var(--section-py); }

.section--dark  { background-color: var(--color-bg); }
.section--alt   { background-color: var(--color-bg-alt); }
.section--black { background-color: #0a0a0a; }

.grid-2 { display: grid; gap: var(--gap); }
.grid-3 { display: grid; gap: var(--gap); }
.grid-4 { display: grid; gap: var(--gap); }

.flex      { display: flex; }
.flex-col  { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: #111111;
}
.btn-primary:hover {
  background: var(--color-accent-dark);
  color: #111111;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 208, 75, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-accent);
  padding-inline: 0;
  gap: 0.4rem;
}
.btn-ghost:hover { gap: 0.7rem; color: var(--color-accent); }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}
.card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(232, 208, 75, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.card-icon svg, .card-icon img { width: 24px; height: 24px; }

/* ============================================================
   BADGE / PILL
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(232, 208, 75, 0.12);
  color: var(--color-accent);
  border: 1px solid rgba(232, 208, 75, 0.25);
  border-radius: var(--radius-pill);
  padding: 0.3rem 0.8rem;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding-block: 1rem;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(17, 17, 17, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Logo */
.site-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}
.site-logo span { color: var(--color-accent); }
.site-logo img { height: 36px; width: auto; }

/* Nav — hidden on mobile */
.site-nav { display: none; }

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: color var(--transition), background var(--transition);
}
.site-nav a:hover,
.site-nav .current-menu-item > a,
.site-nav .current_page_item > a {
  color: var(--color-text);
  background: rgba(255,255,255,0.06);
}

/* CTA button in header */
.header-cta { display: none; }

/* Burger */
.burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1100;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu drawer */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  padding: 5rem 1.5rem 2rem;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }

.mobile-menu ul { display: flex; flex-direction: column; gap: 0.25rem; }
.mobile-menu a {
  display: block;
  font-size: 1.2rem;
  font-weight: 600;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.mobile-menu a:hover { color: var(--color-accent); }
.mobile-menu .btn { margin-top: 1.5rem; width: 100%; justify-content: center; }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 5rem;
  padding-bottom: 3rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
  z-index: 0;
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.25;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(10,10,10,0.95) 0%,
    rgba(10,10,10,0.7) 60%,
    transparent 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(232, 208, 75, 0.1);
  border: 1px solid rgba(232, 208, 75, 0.3);
  border-radius: var(--radius-pill);
  padding: 0.35rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero h1 { margin-bottom: 1.25rem; }
.hero h1 em { font-style: normal; color: var(--color-accent); }

.hero p {
  font-size: 1rem;
  max-width: 480px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.hero-stat strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-accent);
}
.hero-stat span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ============================================================
   FEATURES / INTRO SECTION
   ============================================================ */
.features-intro {
  background: var(--color-bg-alt);
}

.features-intro-grid {
  display: grid;
  gap: 3rem;
}

.features-intro-text .section-tag { display: block; }
.features-intro-text h2 { margin-bottom: 1rem; }
.features-intro-text p { margin-bottom: 1.5rem; }

.feature-list { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem; }

.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-item-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: rgba(232, 208, 75, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.features-intro-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.features-intro-images img {
  border-radius: var(--radius-md);
  height: 160px;
  width: 100%;
  object-fit: cover;
}

.features-intro-images img:first-child {
  grid-column: 1 / -1;
  height: 220px;
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services-section { background: var(--color-bg); }

.services-header {
  margin-bottom: 2rem;
}

.services-grid { display: grid; gap: 1px; background: var(--color-border); }

.service-card {
  background: var(--color-bg-card);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--color-accent);
  transition: width var(--transition);
}
.service-card:hover { background: #222; }
.service-card:hover::after { width: 100%; }

.service-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.service-card h3 { font-size: 1.1rem; }
.service-card p { font-size: 0.875rem; }

/* ============================================================
   WHY US / PROCESS SECTION
   ============================================================ */
.whyus-section { background: var(--color-bg-alt); }

.whyus-grid { display: grid; gap: 3rem; }

.whyus-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.whyus-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.whyus-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: var(--color-accent);
  color: #111;
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-weight: 700;
  font-size: 0.85rem;
  line-height: 1.3;
}
.whyus-badge strong { display: block; font-size: 1.4rem; }

.steps-list { display: flex; flex-direction: column; gap: 1.25rem; }

.step-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
.step-item:hover {
  border-color: var(--color-border);
  background: var(--color-bg-card);
}

.step-number {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(232, 208, 75, 0.1);
  border: 1px solid rgba(232, 208, 75, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-accent);
}

.step-item h4 { margin-bottom: 0.25rem; font-size: 1rem; }
.step-item p { font-size: 0.85rem; }

/* ============================================================
   CTA BANNER SECTION
   ============================================================ */
.cta-banner {
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}

.cta-banner-inner {
  background: linear-gradient(135deg, #1a1a1a 0%, #222 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3rem 1.5rem;
  display: grid;
  gap: 2rem;
  position: relative;
  overflow: hidden;
}

.cta-banner-inner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(232, 208, 75, 0.05);
  pointer-events: none;
}

.cta-banner h2 em { font-style: normal; color: var(--color-accent); }
.cta-banner-images { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.cta-banner-images img {
  height: 150px;
  width: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* ============================================================
   GALLERY SECTION
   ============================================================ */
.gallery-section { background: var(--color-bg-alt); }

.gallery-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
}
.gallery-item img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery-item:hover img { transform: scale(1.05); }

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-item:hover .gallery-item-overlay { opacity: 1; }
.gallery-item-overlay span { font-size: 0.8rem; font-weight: 600; }

/* ============================================================
   KEY FEATURES SECTION
   ============================================================ */
.key-features { background: var(--color-bg); }

.key-features-grid { display: grid; gap: var(--gap); }

.key-feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition);
}
.key-feature-item:hover { border-color: var(--color-accent); }

.key-feature-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(232, 208, 75, 0.15);
  line-height: 1;
  flex-shrink: 0;
  width: 48px;
}

/* ============================================================
   EXPERIENCE / ABOUT CTA SECTION
   ============================================================ */
.experience-section { background: var(--color-bg-alt); }

.experience-grid { display: grid; gap: 3rem; }

.experience-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.experience-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.experience-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}
.experience-stat {
  flex: 1;
  min-width: 100px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
}
.experience-stat strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-accent);
}
.experience-stat span { font-size: 0.75rem; color: var(--color-text-muted); }

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.trust-badge svg { color: var(--color-accent); flex-shrink: 0; }

/* ============================================================
   TESTIMONIALS SECTION
   ============================================================ */
.testimonials-section { background: var(--color-bg); }

.testimonials-grid { display: grid; gap: var(--gap); }

.testimonial-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: border-color var(--transition);
}
.testimonial-card:hover { border-color: var(--color-accent); }

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 0.75rem;
  color: var(--color-accent);
}

.testimonial-text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--color-border);
}
.testimonial-name { font-size: 0.9rem; font-weight: 600; }
.testimonial-role { font-size: 0.75rem; color: var(--color-text-muted); }

.testimonials-rating {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}
.testimonials-rating strong { font-size: 3rem; font-weight: 800; color: var(--color-accent); }

/* ============================================================
   BLOG SECTION
   ============================================================ */
.blog-section { background: var(--color-bg-alt); }

.blog-grid { display: grid; gap: var(--gap); }

.blog-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}
.blog-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.blog-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-card-body { padding: 1.25rem; }

.blog-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}
.blog-cat {
  background: rgba(232, 208, 75, 0.12);
  color: var(--color-accent);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
}

.blog-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  transition: color var(--transition);
}
.blog-card:hover h3 { color: var(--color-accent); }
.blog-card p { font-size: 0.85rem; margin-bottom: 1rem; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #0a0a0a;
  border-top: 1px solid var(--color-border);
  padding-top: 3rem;
}

.footer-grid { display: grid; gap: 2rem; margin-bottom: 2.5rem; }

.footer-brand { }
.footer-logo {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.footer-logo span { color: var(--color-accent); }
.footer-brand p { font-size: 0.85rem; max-width: 260px; margin-bottom: 1.25rem; }

.social-links { display: flex; gap: 0.5rem; }
.social-link {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition);
}
.social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(232, 208, 75, 0.08);
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--color-accent); }

.footer-contact li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}
.footer-contact svg { color: var(--color-accent); flex-shrink: 0; margin-top: 2px; }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-block: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
  text-align: center;
}
.footer-bottom p { font-size: 0.8rem; color: var(--color-text-muted); }
.footer-bottom a { color: var(--color-accent); }

/* ============================================================
   SCROLL TO TOP
   ============================================================ */
.scroll-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #111;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  transform: translateY(12px);
  transition: all var(--transition);
  border: none;
  box-shadow: 0 4px 16px rgba(232, 208, 75, 0.35);
}
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-2px); }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* ============================================================
   DESKTOP  @media (min-width: 768px)
   ============================================================ */
@media (min-width: 768px) {
  :root { --section-py: 5rem; }

  .site-nav { display: flex; }
  .header-cta { display: inline-flex; }
  .burger { display: none; }

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

  .features-intro-grid { grid-template-columns: 1fr 1fr; align-items: center; }
  .features-intro-images img { height: 180px; }
  .features-intro-images img:first-child { height: 240px; }

  .whyus-grid { grid-template-columns: 1fr 1fr; align-items: center; }
  .whyus-image img { height: 420px; }

  .experience-grid { grid-template-columns: 1fr 1fr; align-items: center; }
  .experience-image img { height: 420px; }

  .cta-banner-inner { grid-template-columns: 1fr 1fr; align-items: center; }
  .cta-banner-images img { height: 180px; }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item img { height: 200px; }

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

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

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

  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; }
  .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}

/* ============================================================
   LARGE DESKTOP  @media (min-width: 1024px)
   ============================================================ */
@media (min-width: 1024px) {
  :root { --section-py: 6rem; }

  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }

  .services-grid { grid-template-columns: repeat(4, 1fr); }

  .gallery-grid { grid-template-columns: repeat(4, 1fr); }
  .gallery-item img { height: 220px; }

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

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

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

  .hero { padding-top: 6rem; }

  .cta-banner-images img { height: 200px; }
}