/* =========================================================
   ARCWORKS — Design System
   Brand palette from ArcWorks_Stylesheet_2026
   Typefaces: Cormorant Garamond (display) + Manrope (body)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Manrope:wght@300;400;500;600&display=swap');

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  --aqua:     #8DD0D3;
  --turq:     #6AB3B9;
  --teal:     #22686B;
  --midnight: #143F3E;
  --deep:     #0d2b2a;
  --grey:     #AEBCC3;
  --gold:     #D09043;
  --orange:   #C14F1E;
  --charcoal: #332F29;
  --cream:    #F7F4EF;
  --off-white:#FDFCFA;
  --white:    #ffffff;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Manrope', system-ui, sans-serif;

  --nav-h: 72px;
  --radius: 4px;
  --radius-lg: 10px;

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 2px 24px rgba(20,63,62,0.10);
  --shadow-md: 0 8px 48px rgba(20,63,62,0.14);
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--charcoal);
  background: var(--off-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ── Typography ──────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; font-weight: 400; }

.display-xl {
  font-size: clamp(3.2rem, 7vw, 6.5rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}
.display-lg {
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  line-height: 1.1;
}
.display-md {
  font-size: clamp(1.9rem, 3.5vw, 3rem);
  line-height: 1.2;
}
.display-sm {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  line-height: 1.3;
}
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.body-lg { font-size: 1.125rem; line-height: 1.75; }
.body-md { font-size: 1rem; line-height: 1.7; }
.body-sm { font-size: 0.875rem; line-height: 1.65; }

/* ── Layout ──────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}
.container--narrow { max-width: 860px; }
.container--wide   { max-width: 1440px; }

.section { padding: 120px 0; }
.section--sm { padding: 72px 0; }
.section--lg { padding: 160px 0; }

/* ── Colors ──────────────────────────────────────────────── */
.bg-midnight { background: var(--midnight); }
.bg-deep     { background: var(--deep); }
.bg-teal     { background: var(--teal); }
.bg-cream    { background: var(--cream); }
.bg-white    { background: var(--white); }
.bg-charcoal { background: var(--charcoal); }

.text-white   { color: var(--white); }
.text-cream   { color: var(--cream); }
.text-aqua    { color: var(--aqua); }
.text-teal    { color: var(--teal); }
.text-gold    { color: var(--gold); }
.text-grey    { color: var(--grey); }
.text-muted   { color: rgba(51,47,41,0.55); }

/* ── Navigation ──────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background var(--transition), border-color var(--transition);
}
.nav--transparent { background: transparent; border-bottom: 1px solid transparent; }
.nav--solid {
  background: rgba(20,63,62,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(141,208,211,0.12);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav__logo-mark {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}
.nav__logo-text {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--aqua);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav__link {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.72);
  padding: 8px 14px;
  border-radius: 20px;
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover { color: var(--white); background: rgba(141,208,211,0.1); }
.nav__link.active { color: var(--aqua); }
.nav__cta {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--midnight);
  background: var(--aqua);
  padding: 10px 22px;
  border-radius: 2px;
  transition: background var(--transition), transform var(--transition);
}
.nav__cta:hover { background: var(--white); transform: translateY(-1px); }
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--aqua);
  transition: var(--transition);
}
.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--midnight);
  z-index: 999;
  padding: calc(var(--nav-h) + 40px) 40px 40px;
  flex-direction: column;
  gap: 8px;
}
.nav__mobile.open { display: flex; }
.nav__mobile-link {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--white);
  padding: 12px 0;
  border-bottom: 1px solid rgba(141,208,211,0.15);
  transition: color var(--transition);
}
.nav__mobile-link:hover { color: var(--aqua); }
.nav__mobile-cta {
  margin-top: 24px;
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--midnight);
  background: var(--aqua);
  padding: 14px 28px;
  border-radius: 2px;
  text-align: center;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: 2px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  line-height: 1;
}
.btn--primary {
  background: var(--aqua);
  color: var(--midnight);
}
.btn--primary:hover { background: var(--white); transform: translateY(-2px); }

.btn--outline-light {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(141,208,211,0.5);
}
.btn--outline-light:hover {
  background: rgba(141,208,211,0.1);
  border-color: var(--aqua);
  transform: translateY(-2px);
}
.btn--outline-dark {
  background: transparent;
  color: var(--midnight);
  border: 1px solid rgba(34,104,107,0.35);
}
.btn--outline-dark:hover {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}
.btn--gold {
  background: var(--gold);
  color: var(--white);
}
.btn--gold:hover { background: #b97c30; transform: translateY(-2px); }

.btn--lg { padding: 18px 40px; font-size: 0.82rem; }
.btn--sm { padding: 10px 20px; font-size: 0.72rem; }

.btn__arrow {
  font-size: 1rem;
  transition: transform var(--transition);
}
.btn:hover .btn__arrow { transform: translateX(4px); }

/* ── Hero Sections ───────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-h);
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(141,208,211,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(141,208,211,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
}
.hero__arc {
  position: absolute;
  right: -10%;
  top: 50%;
  transform: translateY(-50%);
  width: 60vw;
  height: 60vw;
  border: 1px solid rgba(141,208,211,0.07);
  border-radius: 50%;
}
.hero__arc--2 {
  right: -20%;
  width: 80vw;
  height: 80vw;
  border-color: rgba(141,208,211,0.04);
}
.hero__content { position: relative; z-index: 1; }
.hero__eyebrow { margin-bottom: 28px; }
.hero__title { margin-bottom: 28px; }
.hero__subtitle { max-width: 580px; margin-bottom: 48px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ── Section Headers ─────────────────────────────────────── */
.section-header { margin-bottom: 72px; }
.section-header--center { text-align: center; }
.section-header__eyebrow { margin-bottom: 16px; }
.section-header__title { margin-bottom: 20px; }
.section-header__lead { max-width: 620px; }
.section-header--center .section-header__lead { margin: 0 auto; }

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid rgba(34,104,107,0.10);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }

.card--dark {
  background: rgba(141,208,211,0.05);
  border-color: rgba(141,208,211,0.15);
}
.card--dark:hover { background: rgba(141,208,211,0.08); }
.card--dark .card__body { color: rgba(255,255,255,0.82); }
.card--dark .card__title { color: var(--white); }

.card__tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--aqua);
  background: rgba(141,208,211,0.12);
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.card__number {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 300;
  color: rgba(34,104,107,0.15);
  line-height: 1;
  margin-bottom: 12px;
}
.card__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--midnight);
}
.card__body {
  font-size: 0.9rem;
  color: var(--charcoal);
  opacity: 0.75;
  line-height: 1.7;
}

/* ── Grids ───────────────────────────────────────────────── */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2-1 { grid-template-columns: 2fr 1fr; }
.grid--1-2 { grid-template-columns: 1fr 2fr; }

/* ── ARC Journey ─────────────────────────────────────────── */
.arc-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
}
.arc-steps::before {
  content: '';
  position: absolute;
  top: 48px;
  left: calc(16.66% + 24px);
  right: calc(16.66% + 24px);
  height: 1px;
  background: linear-gradient(90deg, var(--aqua), var(--teal), var(--aqua));
  opacity: 0.3;
}
.arc-step {
  padding: 48px 32px;
  text-align: center;
  position: relative;
}
.arc-step__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
  border: 1px solid rgba(141,208,211,0.4);
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--aqua);
  position: relative;
  z-index: 1;
  background: var(--midnight);
}
.arc-step__label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--aqua);
  margin-bottom: 10px;
}
.arc-step__title {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--white);
  margin-bottom: 14px;
}
.arc-step__body {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
}

/* ── Divider ─────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid rgba(34,104,107,0.12);
  margin: 0;
}
.divider--light { border-color: rgba(141,208,211,0.15); }

/* ── Quote / Pullquote ───────────────────────────────────── */
.pullquote {
  border-left: 3px solid var(--aqua);
  padding: 4px 0 4px 28px;
  margin: 40px 0;
}
.pullquote__text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-style: italic;
  line-height: 1.4;
  color: var(--midnight);
}
.pullquote__text--light { color: rgba(255,255,255,0.85); }
.pullquote__attr {
  margin-top: 10px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--teal);
}

/* ── Stat Block ──────────────────────────────────────────── */
.stat { text-align: center; }
.stat__num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 300;
  color: var(--aqua);
  line-height: 1;
  margin-bottom: 8px;
}
.stat__label {
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.06em;
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--deep);
  padding: 80px 0 40px;
  color: rgba(255,255,255,0.55);
}
.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(141,208,211,0.1);
  margin-bottom: 40px;
}
.footer__brand-name {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--aqua);
  margin-bottom: 16px;
}
.footer__tagline {
  font-family: var(--font-display);
  font-size: 1rem;
  font-style: italic;
  color: rgba(255,255,255,0.45);
  margin-bottom: 28px;
  line-height: 1.6;
}
.footer__social { display: flex; gap: 12px; }
.footer__social-link {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(141,208,211,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}
.footer__social-link:hover { border-color: var(--aqua); color: var(--aqua); }
.footer__col-title {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__link {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  transition: color var(--transition);
}
.footer__link:hover { color: var(--aqua); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
}
.footer__disclaimer {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.25);
  max-width: 640px;
  line-height: 1.7;
  margin-top: 28px;
}

/* ── Form Elements ───────────────────────────────────────── */
.form-group { margin-bottom: 24px; }
.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 8px;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--charcoal);
  background: var(--white);
  border: 1px solid rgba(34,104,107,0.2);
  border-radius: var(--radius);
  transition: border-color var(--transition);
  outline: none;
  appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--teal);
}
.form-textarea { resize: vertical; min-height: 140px; }

/* ── Tags / Badges ───────────────────────────────────────── */
.badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 2px;
}
.badge--teal { background: rgba(34,104,107,0.1); color: var(--teal); }
.badge--aqua { background: rgba(141,208,211,0.15); color: var(--teal); }
.badge--gold { background: rgba(208,144,67,0.12); color: var(--gold); }
.badge--orange { background: rgba(193,79,30,0.1); color: var(--orange); }

/* ── Utilities ───────────────────────────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: 12px; }
.gap-md { gap: 24px; }
.gap-lg { gap: 40px; }
.mt-sm { margin-top: 12px; }
.mt-md { margin-top: 24px; }
.mt-lg { margin-top: 40px; }
.mt-xl { margin-top: 64px; }
.mb-sm { margin-bottom: 12px; }
.mb-md { margin-bottom: 24px; }
.mb-lg { margin-bottom: 40px; }
.text-center { text-align: center; }
.fw-300 { font-weight: 300; }
.italic { font-style: italic; }
.opacity-60 { opacity: 0.6; }

/* ── Animations ──────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes arcRotate {
  from { transform: translateY(-50%) rotate(0deg); }
  to   { transform: translateY(-50%) rotate(360deg); }
}

.animate-up { animation: fadeUp 0.8s cubic-bezier(0.4,0,0.2,1) both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid--4  { grid-template-columns: repeat(2, 1fr); }
  .grid--3  { grid-template-columns: repeat(2, 1fr); }
  .grid--2-1, .grid--1-2 { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .container { padding: 0 28px; }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .section--lg { padding: 100px 0; }
  .grid--2  { grid-template-columns: 1fr; }
  .grid--3  { grid-template-columns: 1fr; }
  .arc-steps { grid-template-columns: 1fr; }
  .arc-steps::before { display: none; }
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .footer__top { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }
  .container { padding: 0 20px; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { justify-content: center; }
}

/* ── Dark-background form inputs ─────────────────────────── */
.form-input.dark, .form-select.dark, .form-textarea.dark {
  background: rgba(255,255,255,0.07);
  border-color: rgba(141,208,211,0.22);
  color: var(--white);
}
.form-input.dark::placeholder,
.form-textarea.dark::placeholder {
  color: rgba(255,255,255,0.35);
}
.form-select.dark option {
  background: var(--midnight);
  color: var(--white);
}

/* ── Client logos ────────────────────────────────────────── */
.logo-strip {
  background: var(--cream);
  padding: 64px 0;
  border-top: 1px solid rgba(34,104,107,0.08);
  border-bottom: 1px solid rgba(34,104,107,0.08);
}
.logo-strip__label {
  text-align: center;
  margin-bottom: 40px;
}
.logo-strip__grid {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 48px 56px;
}
.logo-strip__item {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.55;
  filter: grayscale(1);
  transition: opacity 0.3s, filter 0.3s;
}
.logo-strip__item:hover { opacity: 1; filter: grayscale(0); }
.logo-strip__item img { height: 44px; width: auto; display: block; }

/* ── Impact metrics ──────────────────────────────────────── */
.impact-bar {
  background: var(--teal);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.impact-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.impact-bar__inner { position: relative; z-index: 1; }
.impact-bar__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
}
.impact-bar__item {
  text-align: center;
  padding: 0 24px;
  border-right: 1px solid rgba(255,255,255,0.12);
}
.impact-bar__item:last-child { border-right: none; }
.impact-bar__num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1;
  margin-bottom: 10px;
}
.impact-bar__label {
  font-size: 0.75rem;
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  line-height: 1.5;
  letter-spacing: 0.03em;
}

@media (max-width: 900px) {
  .impact-bar__grid { grid-template-columns: repeat(3, 1fr); gap: 32px 0; }
  .impact-bar__item:nth-child(3) { border-right: none; }
}
@media (max-width: 600px) {
  .impact-bar__grid { grid-template-columns: repeat(2, 1fr); }
  .impact-bar__item:nth-child(2) { border-right: none; }
  .logo-strip__item img { height: 32px; }
}