/* ========================================
   Quiet Authority — Design System
   ======================================== */

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

:root {
  --bg: #F7F6F3;
  --bg-alt: #EDECEA;
  --text: #1A1A1A;
  --text-muted: #5C5C5C;
  --text-light: #8A8A85;
  --accent: #2B3A2E;
  --accent-light: #3D5241;
  --accent-hover: #1E2B21;
  --border: #D6D3CC;
  --white: #FFFFFF;
  --success: #2B6E3F;
  --error: #9B2C2C;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- TYPOGRAPHY ---- */

h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 0.85rem; font-family: 'DM Sans', sans-serif; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }

p {
  max-width: 640px;
  color: var(--text-muted);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s;
}

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

/* ---- NAV ---- */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(247, 246, 243, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(214, 211, 204, 0.5);
  transition: padding 0.3s, background 0.3s;
}

nav.scrolled {
  padding: 0.9rem 3rem;
  background: rgba(247, 246, 243, 0.95);
}

.nav-logo {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--accent);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-links {
  display: flex;
  gap: 2.2rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.3s;
}

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

.nav-cta {
  background: var(--accent) !important;
  color: var(--white) !important;
  padding: 0.55rem 1.4rem !important;
  border-radius: 3px;
  font-size: 0.78rem !important;
  letter-spacing: 0.06em !important;
  transition: background 0.3s !important;
}

.nav-cta:hover {
  background: var(--accent-hover) !important;
  color: var(--white) !important;
}

/* ---- HERO ---- */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 3rem 6rem;
}

.hero-inner {
  max-width: 800px;
}

.hero-tag {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.2s forwards;
}

.hero h1 {
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.4s forwards;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero p {
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.6s forwards;
}

.hero-actions {
  display: flex;
  gap: 1.2rem;
  align-items: center;
  opacity: 0;
  animation: fadeUp 0.6s 0.8s forwards;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- BUTTONS ---- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 0.85rem 2rem;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--white);
}

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

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

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 0.9rem;
}

.btn-arrow::after {
  content: '→';
  transition: transform 0.3s;
}

.btn-arrow:hover::after {
  transform: translateX(4px);
}

/* ---- SECTIONS ---- */

.section {
  padding: 7rem 3rem;
}

.section-alt {
  background: var(--bg-alt);
}

.section-header {
  max-width: 640px;
  margin-bottom: 4rem;
}

.section-header h4 {
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.05rem;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

/* ---- HOME: PRINCIPLES ---- */

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  max-width: 1100px;
}

.principle {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

.principle-number {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 1rem;
  font-style: italic;
}

.principle h3 {
  margin-bottom: 0.75rem;
}

.principle p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ---- HOME: WHO WE SERVE ---- */

.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 900px;
}

.audience-card {
  padding: 2rem 2.5rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: border-color 0.3s;
}

.audience-card:hover {
  border-color: var(--accent);
}

.audience-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.audience-card p {
  font-size: 0.92rem;
}

/* ---- HOME: CTA STRIP ---- */

.cta-strip {
  padding: 5rem 3rem;
  text-align: center;
  border-top: 1px solid var(--border);
}

.cta-strip h2 {
  margin-bottom: 1rem;
}

.cta-strip p {
  margin: 0 auto 2rem;
  font-size: 1.05rem;
}

/* ---- APPROACH PAGE ---- */

.process-steps {
  max-width: 800px;
}

.process-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
}

.process-step:last-child {
  border-bottom: none;
}

.step-number {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
  font-style: italic;
}

.step-content h3 {
  margin-bottom: 0.75rem;
}

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

/* ---- APPROACH: VALUES ---- */

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 900px;
}

.value-item {
  padding: 2rem;
  border-left: 2px solid var(--accent);
}

.value-item h3 {
  margin-bottom: 0.5rem;
  font-size: 1.15rem;
}

.value-item p {
  font-size: 0.92rem;
}

/* ---- SERVICES PAGE ---- */

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  max-width: 900px;
}

.service-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.service-item:last-child {
  border-bottom: none;
}

.service-label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

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

.service-item p {
  font-size: 0.95rem;
}

.service-details ul {
  list-style: none;
  padding: 0;
}

.service-details li {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(214, 211, 204, 0.5);
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.service-details li::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ---- MAINTENANCE PAGE ---- */

.maintenance-tiers {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 900px;
}

.tier-card {
  padding: 2.5rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: border-color 0.3s;
}

.tier-card:hover {
  border-color: var(--accent);
}

.tier-card.featured {
  border-color: var(--accent);
  position: relative;
}

.tier-badge {
  position: absolute;
  top: -10px;
  left: 2.5rem;
  background: var(--accent);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 2px;
}

.tier-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
}

.tier-price {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.tier-card ul {
  list-style: none;
  padding: 0;
}

.tier-card li {
  padding: 0.45rem 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
}

.tier-card li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 600;
  flex-shrink: 0;
}

.maintenance-note {
  max-width: 600px;
  margin-top: 3rem;
  padding: 2rem;
  background: var(--bg-alt);
  border-radius: 4px;
  border-left: 2px solid var(--accent);
}

.maintenance-note p {
  font-size: 0.9rem;
  font-style: italic;
}

/* ---- CONTACT PAGE ---- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 900px;
}

.contact-info h3 {
  margin-bottom: 1rem;
}

.contact-info p {
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.contact-detail {
  padding: 1rem 0;
  border-top: 1px solid var(--border);
}

.contact-detail h4 {
  margin-bottom: 0.3rem;
  font-size: 0.75rem;
}

.contact-detail p {
  font-size: 0.95rem;
  color: var(--text);
}

.contact-form label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  color: var(--text);
  transition: border-color 0.3s;
  margin-bottom: 1.25rem;
}

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

.contact-form textarea {
  min-height: 120px;
  resize: vertical;
}

/* ---- INTAKE FORM ---- */

.intake-page {
  min-height: 100vh;
  padding: 8rem 3rem 4rem;
}

.intake-container {
  max-width: 680px;
  margin: 0 auto;
}

.intake-header {
  margin-bottom: 3rem;
}

.intake-header h1 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 0.75rem;
}

.intake-header p {
  font-size: 1rem;
}

/* Progress Bar */
.progress-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 3rem;
}

.progress-step {
  flex: 1;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  transition: background 0.4s;
  position: relative;
}

.progress-step.active {
  background: var(--accent);
}

.progress-step.completed {
  background: var(--accent);
}

.progress-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.progress-label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}

.progress-count {
  font-size: 0.78rem;
  color: var(--text-light);
}

/* Form Sections */
.form-section {
  display: none;
  animation: fadeUp 0.4s forwards;
}

.form-section.active {
  display: block;
}

.form-section-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-section-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  color: var(--text);
  transition: border-color 0.3s;
}

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

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235C5C5C' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-group .hint {
  font-size: 0.78rem;
  color: var(--text-light);
  margin-top: 0.3rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Radio/Checkbox Options */
.option-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.option-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s;
  font-size: 0.9rem;
}

.option-item:hover {
  border-color: var(--accent);
}

.option-item.selected {
  border-color: var(--accent);
  background: rgba(43, 58, 46, 0.04);
}

.option-item input[type="radio"],
.option-item input[type="checkbox"] {
  width: auto;
  accent-color: var(--accent);
}

/* Form Navigation */
.form-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.btn-back {
  background: transparent;
  color: var(--text-muted);
  border: none;
  padding: 0.85rem 1.5rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.3s;
}

.btn-back:hover {
  color: var(--text);
}

.btn-back::before {
  content: '← ';
}

/* ---- CONFIRMATION PAGE ---- */

.confirmation {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 3rem;
  text-align: center;
}

.confirmation-inner {
  max-width: 560px;
}

.confirmation-check {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 2rem;
}

.confirmation h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.confirmation p {
  margin: 0 auto 1.5rem;
}

.project-id-box {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-bottom: 2rem;
}

.project-id-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 0.3rem;
}

.project-id-value {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
}

/* ---- PAGE HERO (inner pages) ---- */

.page-hero {
  padding: 10rem 3rem 4rem;
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  margin-bottom: 1rem;
}

.page-hero p {
  font-size: 1.1rem;
}

/* ---- FOOTER ---- */

footer {
  border-top: 1px solid var(--border);
  padding: 4rem 3rem 2rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 3rem;
}

.footer-logo {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--accent);
  display: block;
  margin-bottom: 0.5rem;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-light);
  max-width: 280px;
}

.footer-links {
  display: flex;
  gap: 4rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col h4 {
  margin-bottom: 0.5rem;
  color: var(--text);
}

.footer-col a {
  font-size: 0.88rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s;
}

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

.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--text-light);
}

/* ---- UTILITIES ---- */

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s, transform 0.6s;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- RESPONSIVE ---- */

@media (max-width: 900px) {
  nav {
    padding: 1rem 1.5rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    transition: right 0.3s;
    border-left: 1px solid var(--border);
  }

  .nav-links.open {
    right: 0;
  }

  .hero {
    padding: 7rem 1.5rem 4rem;
  }

  .section {
    padding: 4rem 1.5rem;
  }

  .page-hero {
    padding: 7rem 1.5rem 3rem;
  }

  .principles {
    grid-template-columns: 1fr;
    gap: 0;
  }

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

  .service-item {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

  .maintenance-tiers {
    grid-template-columns: 1fr;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .option-group {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 2rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .intake-page {
    padding: 7rem 1.5rem 3rem;
  }

  .process-step {
    grid-template-columns: 50px 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }

  .cta-strip {
    padding: 3rem 1.5rem;
  }
}