/* ============================================================
   Arc — Base Styles & Layout
   main.css
   ============================================================ */

/* ── Reset ────────────────────────────────────────────────── */
*, *::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: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Nav is position:fixed and overlays the hero — no padding offset needed */
}

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

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

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

ul, ol {
  list-style: none;
}

/* ── Layout helpers ───────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--section-v-padding);
}

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

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

/* ── Section label + headline pattern ────────────────────── */
.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-headline {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-secondary);
  max-width: 22ch;
}

.section-headline em {
  font-style: italic;
  color: var(--color-secondary);
}

.section-subhead {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 56ch;
  margin-top: var(--space-5);
}

.section-header {
  margin-bottom: var(--space-16);
}

/* ── Navigation ───────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transform: translateY(0);
  transition: transform var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base),
              background-color var(--transition-base),
              height var(--transition-base);
}

.nav.scrolled {
  height: 56px;
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
  background-color: rgba(250, 250, 248, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Auto-hide: slide up on scroll-down, slide back on scroll-up */
.nav.nav--hidden {
  transform: translateY(-100%);
}

/* Always visible on mobile */
@media (max-width: 768px) {
  .nav.nav--hidden {
    transform: translateY(0);
  }
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.72rem;
  color: var(--color-text-primary);
  letter-spacing: var(--tracking-tight);
  flex-shrink: 0;
  transition: color var(--transition-fast), font-size var(--transition-base);
}

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

.nav.scrolled .nav__logo {
  font-size: var(--text-2xl);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__links a {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-secondary);
  letter-spacing: 0.01em;
  transition: color var(--transition-fast), font-size var(--transition-base);
}

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

/* Scrolled state: revert nav text to compact sizes */
.nav.scrolled .nav__links a {
  font-size: var(--text-sm);
}

.nav__cta {
  flex-shrink: 0;
}

/* CTA button: larger in default state, compact when scrolled */
.nav__cta .btn {
  font-size: var(--text-sm);
  transition: font-size var(--transition-base);
}

.nav.scrolled .nav__cta .btn {
  font-size: var(--text-xs);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  background: none;
  border: none;
  z-index: calc(var(--z-nav) + 1);
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: var(--radius-pill);
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav__mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background-color: var(--color-bg);
  z-index: calc(var(--z-nav) - 1);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
}

.nav__mobile-menu.open {
  display: flex;
}

.nav__mobile-menu a {
  font-family: var(--font-body);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-secondary);
  letter-spacing: -0.01em;
}

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

/* Ensure the CTA button inside the mobile menu keeps white text */
.nav__mobile-menu a.btn--primary {
  color: #FFFFFF;
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  padding-block: calc(var(--section-v-padding) * 1.25) var(--section-v-padding);
  text-align: center;
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero > .container {
  width: 100%;
  position: relative;
  z-index: 1;
}

/* Animated canvas orb background */
.hero__canvas {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 0;
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(var(--text-4xl), 6vw, var(--text-7xl));
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-secondary);
  max-width: 22ch;
  margin-inline: auto;
}

.hero__headline em {
  font-style: italic;
  color: var(--color-secondary);
}

.hero__subhead {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 48ch;
  margin: var(--space-6) auto 0;
}

.hero__ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-10);
  flex-wrap: wrap;
}

.hero__trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-10);
  flex-wrap: wrap;
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.hero__trust-item::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
  flex-shrink: 0;
}

/* ── Capabilities ─────────────────────────────────────────── */
.capabilities__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-2);
}

.capabilities__nudge {
  margin-top: var(--space-12);
  padding: var(--space-8) var(--space-10);
  background-color: var(--color-secondary);
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.capabilities__nudge p {
  font-size: var(--text-lg);
  color: #FFFFFF;
  max-width: 42ch;
}

/* ── Process ──────────────────────────────────────────────── */
.process__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-10);
  position: relative;
}

.process__step {
  display: flex;
  flex-direction: column;
}

.process__step-number {
  font-family: var(--font-mono);
  font-size: var(--text-4xl);
  font-weight: 500;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.03em;
  display: inline-block;
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-accent);
  margin-bottom: var(--space-6);
  align-self: flex-start; /* underline spans only the number width */
}

.process__step-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: var(--leading-snug);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.process__step p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* Wider max-width for the process headline so it stays on 2 clean lines */
#process .section-headline {
  max-width: 32ch;
}

/* Comparison headline — single line, no wrapping constraint */
#comparison .section-headline {
  max-width: none;
}

/* Capabilities subhead — tighter measure */
#capabilities .section-subhead {
  max-width: 46ch;
}

/* Booking subhead — tighter measure (~66 chars/line) */
#booking .section-subhead {
  max-width: 48ch;
}

/* ── Comparison table ─────────────────────────────────────── */
.comparison__table {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: auto;               /* clips to radius AND allows horizontal scroll */
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.comparison__row {
  display: grid;
  grid-template-columns: repeat(3, minmax(170px, 1fr));
  border-bottom: 1px solid var(--color-border);
}

.comparison__row:last-child {
  border-bottom: none;
}

.comparison__row--header {
  background-color: var(--color-surface-alt);
}

.comparison__cell {
  padding: var(--space-4) var(--space-6);
  border-right: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  line-height: var(--leading-normal);
}

.comparison__cell:last-child {
  border-right: none;
}

.comparison__cell--arc {
  background-color: var(--color-accent-light);
  color: var(--color-text-primary);
  font-weight: 500;
}

.comparison__row--header .comparison__cell {
  padding: var(--space-5) var(--space-6);
  align-items: center;
}

.comparison__col-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: #4A4743;
  line-height: 1;
}

.comparison__cell--arc .comparison__col-name {
  color: var(--color-accent);
}

.comparison__check {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── Pricing ──────────────────────────────────────────────── */
#pricing {
  background-color: var(--color-secondary);
}

#pricing .section-label {
  color: rgba(255, 255, 255, 0.65);
}

#pricing .section-headline {
  color: #EEF2FF;
  max-width: none;
}

/* Featured card: tone down amber border/glow on dark navy bg */
#pricing .pricing-card--featured {
  border: 1.5px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.06), var(--shadow-md);
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.pricing__note {
  margin-top: var(--space-8);
  text-align: center;
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.68);
  max-width: 58ch;
  margin-inline: auto;
  line-height: var(--leading-relaxed);
}

/* ── Outcomes ─────────────────────────────────────────────── */
.outcomes__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}


.outcomes__disclaimer {
  margin-top: var(--space-8);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
}

/* ── Who We Work With ─────────────────────────────────────── */
.verticals__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

/* ── FAQ ──────────────────────────────────────────────────── */
.faq__list {
  max-width: 760px;
  margin-inline: auto;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  cursor: pointer;
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text-primary);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  transition: color var(--transition-fast);
  user-select: none;
}

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

.faq__question:hover .faq__icon {
  border-color: var(--color-accent);
  background-color: var(--color-accent);
}

.faq__question:hover .faq__icon svg {
  color: white;
}

.faq__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition-fast), transform var(--transition-base), background-color var(--transition-base);
}

.faq__icon svg {
  width: 12px;
  height: 12px;
  color: var(--color-text-secondary);
  transition: transform var(--transition-base), color var(--transition-fast);
}

.faq__item.open .faq__icon {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.faq__item.open .faq__icon svg {
  transform: rotate(45deg);
  color: white;
}

.faq__answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-base);
}

.faq__item.open .faq__answer {
  grid-template-rows: 1fr;
}

.faq__answer-inner {
  overflow: hidden;
}

.faq__answer p {
  padding-bottom: var(--space-6);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 64ch;
}

/* ── Booking / Final CTA ──────────────────────────────────── */
.booking {
  text-align: center;
}

.booking__header {
  margin-bottom: var(--space-10);
}

.booking__calendly {
  max-width: 860px;
  margin-inline: auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.booking__email {
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.booking__email a {
  color: var(--color-text-primary);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background-color: var(--color-off-black);
  color: var(--color-bg);
  padding-block: var(--space-12);
}

.footer__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-10);
  flex-wrap: wrap;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-bg);
  letter-spacing: var(--tracking-tight);
}

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

.footer__links {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer__links a {
  font-size: var(--text-sm);
  color: rgba(250, 250, 248, 0.95);
  transition: color var(--transition-fast);
}

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

.footer__email {
  font-size: var(--text-sm);
  color: rgba(250, 250, 248, 0.95);
}

.footer__email a {
  color: rgba(250, 250, 248, 0.95);
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(250, 250, 248, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer__copy {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.60);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .pricing__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-inline: auto;
  }
}

@media (max-width: 768px) {
  .section {
    padding-block: var(--section-v-padding-mob);
  }

  /* Nav */
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__hamburger { display: flex; }

  /* Hero */
  .hero__ctas { flex-direction: column; align-items: stretch; }
  .hero__trust { flex-direction: column; gap: var(--space-3); }

  /* Capabilities */
  .capabilities__grid { grid-template-columns: 1fr; }
  .capabilities__nudge { flex-direction: column; align-items: center; gap: var(--space-5); }
  .capabilities__nudge p { text-align: center; }

  /* Process */
  .process__steps {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  .process__steps::before { display: none; }

  /* Outcomes */
  .outcomes__grid { grid-template-columns: 1fr; }

  /* Footer — stacked and centered on mobile */
  .footer__inner { flex-direction: column; align-items: center; text-align: center; }
  .footer__links { flex-direction: column; align-items: center; gap: var(--space-5); }
  .footer__bottom { flex-direction: column; align-items: center; justify-content: center; text-align: center; }
}

@media (max-width: 480px) {
  .verticals__grid { grid-template-columns: 1fr; }
}

/* ── Tablet breakpoint: 640px — restore left-alignment ────── */
@media (min-width: 640px) {
  /* Nudge CTA: left-align text and button from tablet up */
  .capabilities__nudge { align-items: flex-start; }
  .capabilities__nudge p { text-align: left; }

  /* Footer: restore row layout and left alignment */
  .footer__inner { align-items: flex-start; text-align: left; }
  .footer__links { flex-direction: row; gap: var(--space-6); align-items: center; }
  .footer__bottom { flex-direction: row; align-items: center; justify-content: space-between; text-align: left; }
}

/* ── Desktop: footer items vertically centered in row ─────── */
@media (min-width: 769px) {
  .footer__inner { align-items: center; }
}