/* ============================================
   DECISION ROOM — Editorial Design System
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-ink: #1a1a1a;
  --color-ink-light: #4a4a4a;
  --color-ink-muted: #7a7a7a;
  --color-bg: #faf9f7;
  --color-bg-warm: #f3f1ed;
  --color-bg-dark: #1a1a1a;
  --color-accent: #8b7355;
  --color-accent-light: #a89070;
  --color-rule: #d4d0c8;
  --color-rule-light: #e8e5df;
  --color-white: #ffffff;

  --font-serif: 'Georgia', 'Times New Roman', serif;
  --font-sans: -apple-system, 'Helvetica Neue', 'Arial', sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Consolas', monospace;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;

  --max-width: 1280px;
  --max-text: 680px;
  --max-wide: 960px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-ink);
  background-color: var(--color-bg);
}

a {
  color: var(--color-ink);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

img {
  max-width: 100%;
  display: block;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
}

h4 {
  font-size: 1.125rem;
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.4;
}

.label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.large-text {
  font-size: 1.25rem;
  line-height: 1.6;
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container--narrow {
  max-width: var(--max-text);
}

.container--wide {
  max-width: var(--max-wide);
}

.section {
  padding: var(--space-xl) 0;
}

.section--lg {
  padding: var(--space-2xl) 0;
}

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

.section--dark .label {
  color: var(--color-accent-light);
}

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

/* --- Editorial Grid --- */
.editorial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .editorial-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .editorial-grid--asymmetric {
    grid-template-columns: 2fr 3fr;
  }

  .editorial-grid--asymmetric-reverse {
    grid-template-columns: 3fr 2fr;
  }
}

/* --- Dividers & Rules --- */
.rule {
  border: none;
  border-top: 1px solid var(--color-rule);
  margin: var(--space-lg) 0;
}

.rule--fine {
  border-top-color: var(--color-rule-light);
}

.rule--accent {
  border-top: 2px solid var(--color-accent);
  width: 3rem;
  margin: var(--space-md) 0;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(250, 249, 247, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-rule-light);
  transition: transform 0.3s ease;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
}

.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  font-weight: 400;
}

.nav__links {
  display: none;
  list-style: none;
  gap: var(--space-md);
  align-items: center;
}

@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }
}

.nav__links a {
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  color: var(--color-ink-light);
}

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

.nav__cta {
  font-size: 0.8125rem !important;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-ink);
  color: var(--color-ink) !important;
  transition: all 0.2s ease;
}

.nav__cta:hover {
  background-color: var(--color-ink);
  color: var(--color-bg) !important;
}

/* Mobile Menu Toggle */
.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

@media (min-width: 768px) {
  .nav__toggle {
    display: none;
  }
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background-color: var(--color-ink);
  transition: all 0.3s ease;
}

.nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-bg);
  z-index: 99;
  padding: 6rem var(--space-md) var(--space-md);
}

.nav__mobile.active {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.nav__mobile a {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  display: block;
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-rule-light);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 5rem;
  padding-bottom: var(--space-xl);
}

.hero__label {
  margin-bottom: var(--space-md);
}

.hero__title {
  margin-bottom: var(--space-md);
  max-width: 900px;
}

.hero__subtitle {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  line-height: 1.7;
  color: var(--color-ink-light);
  max-width: var(--max-text);
  margin-bottom: var(--space-lg);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

/* --- Detail Hero (for subpages) --- */
.detail-hero {
  padding-top: 10rem;
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-rule);
}

.detail-hero__label {
  margin-bottom: var(--space-sm);
}

.detail-hero__title {
  margin-bottom: var(--space-md);
}

.detail-hero__subtitle {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--color-ink-light);
  max-width: var(--max-text);
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 0.875rem 2rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
}

.btn--primary {
  background-color: var(--color-ink);
  color: var(--color-bg);
  border-color: var(--color-ink);
}

.btn--primary:hover {
  background-color: transparent;
  color: var(--color-ink);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-ink);
  border-color: var(--color-rule);
}

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

.btn--ghost {
  background: none;
  color: var(--color-ink-light);
  border: none;
  padding-left: 0;
  padding-right: 0;
  border-bottom: 1px solid var(--color-rule);
}

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

.btn--dark {
  background-color: var(--color-bg);
  color: var(--color-ink);
}

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

/* --- Cards --- */
.card {
  padding: var(--space-lg) var(--space-md);
  border: 1px solid var(--color-rule-light);
  background-color: var(--color-white);
  transition: border-color 0.3s ease;
}

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

.card__number {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--color-rule);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.card__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.card__text {
  color: var(--color-ink-light);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.card__link {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--color-rule);
  padding-bottom: 2px;
  transition: border-color 0.2s ease;
}

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

/* --- Three-column grid for cards --- */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .cards-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* --- Pricing Cards --- */
.pricing-card {
  padding: var(--space-lg);
  border: 1px solid var(--color-rule-light);
  background-color: var(--color-white);
  position: relative;
}

.pricing-card--featured {
  border-color: var(--color-ink);
  border-width: 2px;
}

.pricing-card__badge {
  position: absolute;
  top: -0.75rem;
  left: var(--space-md);
  background-color: var(--color-ink);
  color: var(--color-bg);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
}

.pricing-card__name {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  margin-bottom: var(--space-xs);
}

.pricing-card__price {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.pricing-card__price span {
  font-size: 1rem;
  color: var(--color-ink-muted);
}

.pricing-card__list {
  list-style: none;
  margin-bottom: var(--space-lg);
}

.pricing-card__list li {
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-rule-light);
  font-size: 0.9375rem;
  color: var(--color-ink-light);
}

.pricing-card__list li:last-child {
  border-bottom: none;
}

/* --- Process Steps --- */
.steps {
  counter-reset: step;
}

.step {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-rule-light);
  counter-increment: step;
}

@media (min-width: 768px) {
  .step {
    grid-template-columns: 4rem 1fr;
    gap: var(--space-lg);
  }
}

.step__number::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-rule);
}

.step__title {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.0625rem;
  margin-bottom: var(--space-xs);
}

.step__text {
  color: var(--color-ink-light);
}

/* --- Bullets --- */
.bullet-list {
  list-style: none;
}

.bullet-list li {
  padding: var(--space-sm) 0;
  padding-left: 1.5rem;
  position: relative;
  border-bottom: 1px solid var(--color-rule-light);
  color: var(--color-ink-light);
}

.bullet-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.4rem;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.bullet-list li:last-child {
  border-bottom: none;
}

/* --- FAQ Accordion --- */
.faq-item {
  border-bottom: 1px solid var(--color-rule-light);
}

.faq-item__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-ink);
}

.faq-item__question::after {
  content: '+';
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-ink-muted);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: var(--space-sm);
}

.faq-item.active .faq-item__question::after {
  content: '\2212';
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-item__answer {
  max-height: 200px;
  padding-bottom: var(--space-md);
}

.faq-item__answer p {
  color: var(--color-ink-light);
  line-height: 1.7;
}

/* --- Guarantee Block --- */
.guarantee {
  border: 1px solid var(--color-accent);
  padding: var(--space-lg);
  position: relative;
}

.guarantee__label {
  position: absolute;
  top: -0.625rem;
  left: var(--space-md);
  background-color: var(--color-bg);
  padding: 0 var(--space-xs);
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.section--warm .guarantee__label {
  background-color: var(--color-bg-warm);
}

/* --- Blockquote / Pull Quote --- */
.pull-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.35;
  letter-spacing: -0.02em;
  border-left: 2px solid var(--color-accent);
  padding-left: var(--space-md);
  margin: var(--space-lg) 0;
  max-width: var(--max-text);
}

/* --- Footer --- */
.footer {
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-rule);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer__brand {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.footer__text {
  color: var(--color-ink-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer__heading {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-sm);
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: var(--space-xs);
}

.footer__links a {
  font-size: 0.9375rem;
  color: var(--color-ink-light);
}

.footer__bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-rule-light);
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
}

/* --- Form --- */
.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid var(--color-rule);
  background-color: var(--color-white);
  color: var(--color-ink);
  transition: border-color 0.2s ease;
  appearance: none;
}

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

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* --- Utility --- */
.text-center {
  text-align: center;
}

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* --- Full bleed section --- */
.full-bleed {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}

/* --- Asymmetric section offset --- */
@media (min-width: 1024px) {
  .offset-left {
    padding-left: 8%;
  }

  .offset-right {
    padding-right: 8%;
  }
}

/* --- Number highlight --- */
.number-highlight {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 6vw, 5rem);
  color: var(--color-rule);
  line-height: 1;
  letter-spacing: -0.03em;
}

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

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