/* ==========================================================================
   Alidade Systems — site styles
   ========================================================================== */

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

:root {
  --ink: #111010;
  --paper: #f2ede4;
  --paper-2: #ece6db;
  --accent: #bf3318;
  --accent-ink: #8a2410;
  --mid: #6a6158;
  --rule: #cdc8be;

  --mono: 'DM Mono', ui-monospace, monospace;
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'Epilogue', system-ui, sans-serif;

  --container: 72rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  --shadow-soft: 0 1px 0 rgba(17, 16, 16, 0.04), 0 12px 30px rgba(17, 16, 16, 0.06);
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  position: relative;
  overflow-x: hidden;
}

/* Subtle paper grain across the whole page */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
}

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

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

a:hover,
a:focus-visible {
  color: var(--accent-ink);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
  z-index: 1;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 1rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 0.75rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  z-index: 100;
  border-radius: 2px;
}

.skip-link:focus {
  top: 0.75rem;
}

/* Vertical accent bar on the right edge */
.accent-bar {
  position: fixed;
  top: 0;
  right: 0;
  width: 4px;
  height: 100%;
  background: var(--accent);
  z-index: 5;
}

/* ==========================================================================
   Header / Nav
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(242, 237, 228, 0.85);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--rule);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0.2rem;
  color: var(--ink);
}

.brand:hover,
.brand:focus-visible {
  color: var(--ink);
}

.brand__name {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.4vw, 1.85rem);
  letter-spacing: -0.02em;
  line-height: 1;
}

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

.brand__tag {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mid);
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.primary-nav a {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 0.4rem 0;
  position: relative;
}

.primary-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms ease;
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after {
  transform: scaleX(1);
}

.primary-nav__cta {
  color: var(--paper) !important;
  background: var(--ink);
  padding: 0.55rem 1rem !important;
  border-radius: 100px;
}

.primary-nav__cta::after {
  display: none;
}

.primary-nav__cta:hover,
.primary-nav__cta:focus-visible {
  background: var(--accent);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 4px;
  cursor: pointer;
  padding: 0.6rem;
  flex-direction: column;
  justify-content: space-between;
}

.nav-toggle__bar {
  display: block;
  height: 1.5px;
  width: 100%;
  background: var(--ink);
  transition: transform 200ms ease, opacity 200ms ease;
}

.nav-toggle[aria-expanded='true'] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded='true'] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded='true'] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 820px) {
  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    box-shadow: var(--shadow-soft);
    max-height: 0;
    overflow: hidden;
    transition: max-height 240ms ease;
  }

  .primary-nav[data-open='true'] {
    max-height: 32rem;
  }

  .primary-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem var(--gutter) 1.25rem;
  }

  .primary-nav li {
    border-bottom: 1px solid var(--rule);
  }

  .primary-nav li:last-child {
    border-bottom: none;
    padding-top: 0.75rem;
  }

  .primary-nav a {
    display: block;
    padding: 0.9rem 0;
  }

  .primary-nav a::after {
    display: none;
  }

  .primary-nav__cta {
    text-align: center;
  }
}

/* ==========================================================================
   Buttons + shared primitives
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.85rem 1.4rem;
  border-radius: 100px;
  border: 1px solid transparent;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
  cursor: pointer;
  white-space: nowrap;
}

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

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--accent);
  color: var(--paper);
}

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

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: var(--ink);
  color: var(--paper);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.75rem;
}

.eyebrow__dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.section-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.section-label::before {
  content: '';
  width: 1.25rem;
  height: 1px;
  background: var(--accent);
}

.section__title {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--ink);
  font-weight: 400;
  max-width: 30ch;
}

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

.section__head {
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
  max-width: 42rem;
}

.prose {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--mid);
  max-width: 36rem;
}

.prose + .prose {
  margin-top: 1rem;
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  position: relative;
}

.section + .section {
  border-top: 1px solid var(--rule);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding: clamp(4rem, 9vw, 8rem) 0 clamp(3rem, 6vw, 5rem);
  position: relative;
}

.hero__inner {
  max-width: 60rem;
}

.hero__heading {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 22ch;
}

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

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.5rem;
}

.hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 1.5rem 2.5rem;
  margin-top: 3.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--rule);
}

.hero__meta div {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.hero__meta dt {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mid);
}

.hero__meta dd {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--ink);
}

/* ==========================================================================
   Services
   ========================================================================== */

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: 0;
  list-style: none;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.service-card {
  padding: 2rem 1.75rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: transparent;
  transition: background-color 200ms ease;
  position: relative;
}

.service-card:hover {
  background: var(--paper-2);
}

.service-card__num {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--accent);
  display: block;
  margin-bottom: 1.5rem;
}

.service-card__title {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 0.65rem;
}

.service-card__desc {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--mid);
}

/* ==========================================================================
   Audience
   ========================================================================== */

.audience__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

@media (max-width: 820px) {
  .audience__grid {
    grid-template-columns: 1fr;
  }
}

.audience__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding-top: 0.5rem;
}

.tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 0.5rem 0.85rem;
  border-radius: 100px;
}

/* ==========================================================================
   Engagement
   ========================================================================== */

.phase-table {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.phase-row {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr) 11rem;
  gap: 2rem;
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--rule);
  align-items: center;
}

.phase-row:last-child {
  border-bottom: none;
}

.phase-row--header {
  background: var(--ink);
  border-bottom: 1px solid var(--ink);
}

.phase-row--header span {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper);
}

.phase-row--header span:last-child {
  text-align: right;
}

.phase-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  text-transform: uppercase;
}

.phase-desc {
  font-size: 0.95rem;
  color: var(--ink);
  line-height: 1.5;
}

.phase-rate {
  font-family: var(--mono);
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.phase-rate span {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
}

@media (max-width: 720px) {
  .phase-row {
    grid-template-columns: 1fr;
    gap: 0.65rem;
    padding: 1.25rem 1.25rem;
  }

  .phase-row--header {
    display: none;
  }

  .phase-rate {
    text-align: left;
    flex-direction: row;
    align-items: baseline;
    gap: 0.5rem;
  }
}

.phase-footnote {
  margin-top: 1.25rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--mid);
  max-width: 50rem;
  line-height: 1.6;
}

.phase-cta {
  margin-top: 2.5rem;
}

/* ==========================================================================
   Why Alidade
   ========================================================================== */

.diff-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.diff-item {
  padding: 2rem 1.75rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.diff-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.diff-text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
}

.diff-text strong {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.25rem;
  display: block;
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
}

/* ==========================================================================
   Quote block
   ========================================================================== */

.quote-block {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(3rem, 6vw, 5rem) 0;
  position: relative;
}

.quote-block::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
  pointer-events: none;
}

.quote-block__inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: center;
  position: relative;
  z-index: 1;
}

.quote-mark {
  font-family: var(--serif);
  font-size: clamp(4rem, 9vw, 7rem);
  line-height: 0.8;
  color: var(--accent);
}

.quote-text {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.25rem, 2.4vw, 1.85rem);
  line-height: 1.4;
  color: var(--paper);
  max-width: 48rem;
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

@media (max-width: 820px) {
  .contact__grid {
    grid-template-columns: 1fr;
  }
}

.contact__cards {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

@media (max-width: 520px) {
  .contact__cards {
    grid-template-columns: 1fr;
  }
}

.contact-card {
  padding: 1.5rem 1.5rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-card__label {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mid);
}

.contact-card__value {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--ink);
  line-height: 1.3;
  word-break: break-word;
}

.contact-card__link {
  color: var(--accent);
}

.contact-card__link:hover,
.contact-card__link:focus-visible {
  color: var(--accent-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1.5px solid var(--ink);
  padding: 1.5rem 0;
  background: var(--paper);
  position: relative;
  z-index: 1;
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-footer__left {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-footer__name {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
}

.site-footer__sep {
  width: 1px;
  height: 0.75rem;
  background: var(--rule);
}

.site-footer__title {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--mid);
}

.site-footer__domain {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--accent);
}