/* ═══════════════════════════════════════════════════
   Oakland Wallpaper Installation — Design System
   Japandi Calm · Soft · Restrained · Naturally Elegant
   ═══════════════════════════════════════════════════ */

/* ─── CSS Variables ─── */
:root {
  --bg-primary: #FAF7F2;
  --bg-secondary: #F0EBE3;
  --bg-ivory: #F7F4EE;
  --bg-dark: #2C2A26;
  --text-dark: #2C2A26;
  --text-light: #F5F0E8;
  --text-muted: #6B6560;
  --accent: #8B7E56;
  --accent-hover: #7A6E4A;
  --accent-light: rgba(139,126,86,0.08);
  --border: rgba(44,42,38,0.08);
  --border-strong: rgba(44,42,38,0.15);
  --shadow-sm: 0 2px 8px rgba(44,42,38,0.04);
  --shadow-md: 0 8px 32px rgba(44,42,38,0.06);
  --shadow-lg: 0 16px 48px rgba(44,42,38,0.08);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --font-heading: 'Noto Serif', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --max-width: 1280px;
  --section-pad: clamp(4rem, 8vw, 7rem);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-dark);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ─── Typography ─── */
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 500; line-height: 1.25; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); color: var(--text-dark); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); margin-bottom: 0.75rem; }
p { margin-bottom: 1rem; color: var(--text-muted); }
.lead { font-size: 1.125rem; line-height: 1.8; color: var(--text-muted); }

/* ─── Layout Utilities ─── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 clamp(1.25rem, 4vw, 3rem); }
.section { padding: var(--section-pad) 0; }
.section--alt { background: var(--bg-secondary); }
.section--ivory { background: var(--bg-ivory); }
.section--dark { background: var(--bg-dark); color: var(--text-light); }
.section--dark p { color: rgba(245,240,232,0.75); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.875rem 2rem; border-radius: 50px;
  font-size: 0.9375rem; font-weight: 500;
  transition: all var(--transition); white-space: nowrap;
}
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 4px 16px rgba(139,126,86,0.2);
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 6px 24px rgba(139,126,86,0.3); }
.btn-secondary {
  background: transparent; color: var(--text-dark);
  border: 1.5px solid var(--border-strong);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-light { background: rgba(255,255,255,0.15); color: var(--text-light); border: 1.5px solid rgba(255,255,255,0.25); }
.btn-light:hover { background: rgba(255,255,255,0.25); }

/* ─── Top Bar ─── */
.top-bar {
  background: var(--bg-dark); color: var(--text-light);
  font-size: 0.8rem; padding: 0.5rem 0;
}
.top-bar__inner {
  max-width: var(--max-width); margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  display: flex; justify-content: flex-end; align-items: center; gap: 2rem;
}
.top-bar a {
  color: rgba(245,240,232,0.85); transition: color var(--transition);
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.top-bar a:hover { color: #fff; }
.top-bar__icon {
  width: 14px; height: 14px; opacity: 0.7;
}

/* ─── Header ─── */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(250,247,242,0.92);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--max-width); margin: 0 auto;
  padding: 1rem clamp(1.25rem, 4vw, 3rem); gap: 2rem;
}
.header-brand { font-family: var(--font-heading); font-size: 1.25rem; font-weight: 500; color: var(--text-dark); white-space: nowrap; }
.header-nav { display: flex; align-items: center; gap: 0.25rem; }
.header-nav > li { position: relative; }
.header-nav a {
  display: block; padding: 0.5rem 1rem;
  font-size: 0.9rem; font-weight: 400; color: var(--text-muted);
  border-radius: var(--radius-sm); transition: all var(--transition);
}
.header-nav a:hover { color: var(--text-dark); background: var(--accent-light); }
.header-cta-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.6rem 1.5rem; background: var(--accent); color: #fff;
  border-radius: 50px; font-size: 0.85rem; font-weight: 500;
  transition: all var(--transition);
}
.header-cta-btn:hover { background: var(--accent-hover); transform: translateY(-1px); }

/* Dropdown */
.dropdown-menu {
  position: absolute; top: 100%; left: 0;
  min-width: 240px; padding: 0.5rem 0;
  background: #fff; border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); border: 1px solid var(--border);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all var(--transition); z-index: 100;
}
.header-nav > li:hover .dropdown-menu,
.header-nav > li:focus-within .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown-menu a { padding: 0.6rem 1.25rem; font-size: 0.85rem; }
.dropdown-menu a:hover { background: var(--bg-secondary); }

/* Mobile Menu */
.burger-toggle { display: none; width: 28px; height: 28px; flex-direction: column; justify-content: center; gap: 5px; cursor: pointer; z-index: 1100; }
.burger-toggle span { display: block; width: 100%; height: 2px; background: var(--text-dark); border-radius: 2px; transition: all var(--transition); }
#mobile-menu-toggle { display: none; }
#mobile-menu-toggle:checked ~ .mobile-nav { transform: translateX(0); opacity: 1; visibility: visible; }
#mobile-menu-toggle:checked ~ .burger-toggle span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
#mobile-menu-toggle:checked ~ .burger-toggle span:nth-child(2) { opacity: 0; }
#mobile-menu-toggle:checked ~ .burger-toggle span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
.mobile-nav {
  position: fixed; top: 0; right: 0; width: 100%; height: 100dvh;
  background: var(--bg-primary); z-index: 1050;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  transform: translateX(100%); opacity: 0; visibility: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-nav a {
  display: block; padding: 0.75rem 2rem;
  font-family: var(--font-heading); font-size: 1.5rem; color: var(--text-dark);
  text-align: center;
}
.mobile-nav a:hover { color: var(--accent); }
.mobile-nav .mobile-contact { margin-top: 2rem; text-align: center; }
.mobile-nav .mobile-contact a { font-size: 1rem; font-family: var(--font-body); color: var(--text-muted); }

/* ─── Hero Sections ─── */
.hero {
  position: relative; min-height: 85vh;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero--split { display: grid; grid-template-columns: 1fr 1fr; min-height: 85vh; }
.hero__content { position: relative; z-index: 2; padding: clamp(3rem, 6vw, 5rem) 0; }
.hero__content p { font-size: 1.125rem; max-width: 540px; margin-bottom: 2rem; }
.hero__image {
  position: relative; overflow: hidden;
  border-radius: 0; min-height: 400px;
}
.hero__image img { width: 100%; height: 100%; object-fit: cover; }
.hero--overlay::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(250,247,242,0.92) 40%, rgba(250,247,242,0.3) 100%);
  z-index: 1;
}
.hero--overlay .hero__bg { position: absolute; inset: 0; }
.hero--overlay .hero__bg img { width: 100%; height: 100%; object-fit: cover; }

/* ─── Section Compositions ─── */
.editorial-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  min-height: 500px; overflow: hidden;
}
.editorial-split__media { position: relative; overflow: hidden; }
.editorial-split__media img { width: 100%; height: 100%; object-fit: cover; min-height: 400px; }
.editorial-split__content {
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(2.5rem, 5vw, 5rem);
}
.editorial-split--reverse { direction: rtl; }
.editorial-split--reverse > * { direction: ltr; }

/* Staggered showcase */
.showcase-grid {
  display: grid; grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem; align-items: stretch;
}
.showcase-card {
  background: #fff; border-radius: var(--radius-md);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex; flex-direction: column;
}
.showcase-card__body { padding: 1.5rem; flex: 1; }
.showcase-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.showcase-card__img { aspect-ratio: 4/3; overflow: hidden; }
.showcase-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.showcase-card:hover .showcase-card__img img { transform: scale(1.03); }
.showcase-card--wide { grid-column: span 6; }
.showcase-card--narrow { grid-column: span 6; }
.showcase-card--full { grid-column: span 12; }

/* Authority metrics */
.metrics-bar {
  display: flex; justify-content: center; gap: clamp(2rem, 5vw, 5rem);
  padding: 3rem 0; flex-wrap: wrap;
}
.metric { text-align: center; }
.metric__number { font-family: var(--font-heading); font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 500; color: var(--text-dark); }
.metric__label { font-size: 0.875rem; color: var(--text-muted); margin-top: 0.25rem; }

/* Process timeline */
.process-flow { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2rem; counter-reset: step; }
.process-step {
  position: relative; padding: 2rem 1.5rem;
  background: #fff; border-radius: var(--radius-md);
  border: 1px solid var(--border); counter-increment: step;
  transition: all var(--transition);
}
.process-step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-heading); font-size: 2.5rem; font-weight: 300;
  color: var(--accent); opacity: 0.4; display: block; margin-bottom: 1rem;
}
.process-step:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }

/* Team section */
.team-showcase { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.team-member {
  position: relative; border-radius: var(--radius-md); overflow: hidden;
  aspect-ratio: 3/4; background: var(--bg-secondary);
}
.team-member img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.team-member:hover img { transform: scale(1.03); }
.team-member__info {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 1.5rem; background: linear-gradient(transparent, rgba(44,42,38,0.85));
  color: var(--text-light);
}
.team-member__role { font-size: 0.8rem; opacity: 0.8; text-transform: uppercase; letter-spacing: 0.05em; }
.team-member__name { font-family: var(--font-heading); font-size: 1.1rem; margin-top: 0.25rem; }

/* Testimonials wrapper */
.testimonials-section { text-align: center; }
.testimonials-section h2 { margin-bottom: 2rem; }

/* ─── Form Section ─── */
.form-section {
  background: var(--bg-dark); color: var(--text-light);
  padding: var(--section-pad) 0;
}
.form-section p { color: rgba(245,240,232,0.75); }
.form-section__inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.form-section__content h2 { color: var(--text-light); }
.form-section__content .lead { color: rgba(245,240,232,0.8); }
.form-section__form-wrap {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg); padding: 2.5rem;
}
.form-section__form-wrap .form-heading { color: var(--text-light); }
.form-section__form-wrap input,
.form-section__form-wrap textarea {
  background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.15);
  color: var(--text-light);
}
.form-section__form-wrap input::placeholder,
.form-section__form-wrap textarea::placeholder { color: rgba(245,240,232,0.5); }
.form-section__form-wrap input:focus,
.form-section__form-wrap textarea:focus { border-color: var(--accent); background: rgba(255,255,255,0.12); }

/* ─── Map Section ─── */
.map-section { padding: var(--section-pad) 0; background: var(--bg-secondary); }
.map-section h2 { text-align: center; margin-bottom: 2rem; }

/* ─── Contact Form ─── */
.feedback-form-container { max-width: 640px; margin: 0 auto; }
.feedback-form-container .form-heading { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 500; line-height: 1.25; text-align: center; margin-bottom: 1.5rem; }
.contact-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.contact-form .form-group { position: relative; }
.contact-form input,
.contact-form textarea {
  width: 100%; padding: 0.9rem 1.25rem;
  font-family: var(--font-body); font-size: 0.9375rem;
  background: #fff; border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm); color: var(--text-dark);
  transition: border-color var(--transition);
}
.contact-form input:focus,
.contact-form textarea:focus { outline: none; border-color: var(--accent); }
.contact-form textarea { min-height: 120px; resize: vertical; margin-bottom: 1rem; }
.contact-form .form-submit { text-align: center; }
.submit-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 1rem 2.5rem; background: var(--accent); color: #fff;
  border-radius: 50px; font-size: 1rem; font-weight: 500;
  transition: all var(--transition); border: none; cursor: pointer;
  box-shadow: 0 4px 16px rgba(139,126,86,0.2);
}
.submit-btn:hover { background: var(--accent-hover); transform: translateY(-1px); }
#form-success p { font-size: 1.1rem; color: var(--accent); text-align: center; padding: 2rem; }

/* ─── Footer ─── */
.site-footer { background: var(--bg-dark); color: var(--text-light); padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand { font-family: var(--font-heading); font-size: 1.25rem; margin-bottom: 1rem; }
.footer-desc { font-size: 0.875rem; color: rgba(245,240,232,0.6); line-height: 1.7; max-width: 300px; }
.footer-heading { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1rem; color: rgba(245,240,232,0.5); }
.footer-links a { display: block; padding: 0.3rem 0; font-size: 0.9rem; color: rgba(245,240,232,0.75); transition: color var(--transition); }
.footer-links a:hover { color: var(--text-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 2rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-bottom p { font-size: 0.8rem; color: rgba(245,240,232,0.4); }

/* ─── Sticky Quote Button ─── */
.sticky-quote-btn {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 900;
  padding: 0.875rem 1.75rem; background: var(--accent); color: #fff;
  border-radius: 50px; font-size: 0.9rem; font-weight: 500;
  box-shadow: 0 8px 32px rgba(139,126,86,0.3);
  transition: all var(--transition); cursor: pointer;
}
.sticky-quote-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(139,126,86,0.4); }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(44,42,38,0.6); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center;
  padding: 1.5rem; opacity: 0; transition: opacity var(--transition);
}
.modal-overlay.active { display: flex; opacity: 1; }
.modal-content {
  background: var(--bg-primary); border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3rem); max-width: 600px; width: 100%;
  position: relative; box-shadow: var(--shadow-lg);
  max-height: 90vh; overflow-y: auto;
}
.modal-close {
  position: absolute; top: 1rem; right: 1rem;
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--text-muted); cursor: pointer;
  border-radius: 50%; transition: all var(--transition);
}
.modal-close:hover { background: var(--bg-secondary); color: var(--text-dark); }

/* ─── Breadcrumbs ─── */
.breadcrumbs { padding: 1rem 0; font-size: 0.8rem; color: var(--text-muted); }
.breadcrumbs a { color: var(--accent); }
.breadcrumbs a:hover { text-decoration: underline; }
.breadcrumbs span { margin: 0 0.4rem; opacity: 0.5; }

/* ─── FAQ Accordion ─── */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 1.5rem 0; font-family: var(--font-heading); font-size: 1.1rem;
  text-align: left; cursor: pointer; color: var(--text-dark);
  background: none; border: none;
}
.faq-question::after { content: '+'; font-size: 1.5rem; color: var(--accent); transition: transform var(--transition); }
.faq-item.active .faq-question::after { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-item.active .faq-answer { max-height: 600px; }
.faq-answer__inner { padding: 0 0 1.5rem; color: var(--text-muted); line-height: 1.8; }

/* ─── Map ─── */
.map-container { border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 16/9; }
.map-container iframe { width: 100%; height: 100%; border: 0; }

/* ─── Service Area Cards ─── */
.area-card {
  display: flex; flex-direction: column; justify-content: center;
  padding: 1.5rem; background: #fff; min-height: 100px;
  border-radius: var(--radius-md); border: 1px solid var(--border);
  transition: all var(--transition);
}
.area-card:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.area-card__city { font-family: var(--font-heading); font-size: 1.1rem; color: var(--text-dark); margin-bottom: 0.25rem; }
.area-card__desc { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0; }

/* ─── Areas We Serve (on service pages) ─── */
.areas-serve-section { padding: var(--section-pad) 0; background: var(--bg-ivory); }
.areas-serve-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .grid-2 { grid-template-columns: 1fr; gap: 2rem; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .team-showcase { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero--split { grid-template-columns: 1fr; min-height: auto; }
  .editorial-split { grid-template-columns: 1fr; }
  .editorial-split--reverse { direction: ltr; }
  .showcase-card--wide, .showcase-card--narrow { grid-column: span 6; }
  .form-section__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .areas-serve-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .top-bar { display: none; }
  .header-nav, .header-cta-btn { display: none; }
  .burger-toggle { display: flex; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .showcase-grid { grid-template-columns: 1fr; }
  .showcase-card--wide, .showcase-card--narrow, .showcase-card--full { grid-column: span 1; }
  .contact-form .form-row { grid-template-columns: 1fr; }
  .hero { min-height: 70vh; }
  .sticky-quote-btn { right: 50%; transform: translateX(50%); bottom: 1.25rem; }
  .sticky-quote-btn:hover { transform: translateX(50%) translateY(-2px); }
  .metrics-bar { gap: 1.5rem; }
  .team-showcase { grid-template-columns: 1fr 1fr; }
  .areas-serve-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .team-showcase { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .areas-serve-grid { grid-template-columns: 1fr; }
  h1 { font-size: 1.8rem; }
}

/* ─── Animations ─── */
@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn 0.6s ease forwards; }

/* ─── Print ─── */
@media print { .site-header, .site-footer, .sticky-quote-btn, .modal-overlay { display: none; } }