/* ═══════════════════════════════════════════════════════════
   CANDOR DIGITAL GROUP — Design System
   Light-first · Navy + Gold · Inter + Fraunces
   ═══════════════════════════════════════════════════════════ */

/* ── Reset ─────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}
body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
button{cursor:pointer;border:none;background:none;font:inherit}
ul,ol{list-style:none}
input,textarea,select{font:inherit}

/* ── CSS Custom Properties (Light) ─────────────────────── */
:root {
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Fraunces', Georgia, serif;

  --bg-page:      #F8F8F6;
  --bg-surface:   #F0F0ED;
  --bg-card:      #FFFFFF;
  --bg-input:     #F8F8F6;
  --ink:          #192038;
  --ink-soft:     #2A3050;
  --slate:        #5A6070;
  --slate-light:  #8A8F9C;
  --accent:       #C4A23A;
  --accent-hover: #A8882E;
  --accent-light: #F5EFD8;
  --border:       #E2E2DC;
  --border-light: #EDEDEA;
  --white:        #FFFFFF;
  --shadow-sm:    0 1px 3px rgba(25,32,56,0.06);
  --shadow-md:    0 8px 24px rgba(25,32,56,0.08);
  --shadow-lg:    0 20px 48px rgba(25,32,56,0.10);
  --shadow-xl:    0 32px 64px rgba(25,32,56,0.12);
  --radius-sm:    8px;
  --radius-md:    12px;
  --radius-lg:    16px;
  --radius-xl:    24px;
  --radius-full:  100px;
  --nav-bg:       rgba(248,248,246,0.97);

  /* Sub-brand accents */
  --advisory:     #192038;
  --advisory-accent: #C4A23A;
  --studio:       #2D4A3E;
  --studio-accent: #C0613A;
  --labs:         #1E1B2E;
  --labs-accent:  #6C5CE7;
}

/* ── Dark Mode ─────────────────────────────────────────── */
html.dark {
  --bg-page:      #0F1218;
  --bg-surface:   #161B24;
  --bg-card:      #1C2230;
  --bg-input:     #131720;
  --ink:          #E8E6E0;
  --ink-soft:     #C8C6C0;
  --slate:        #9DA5B4;
  --slate-light:  #6B7280;
  --accent-light: #2A2210;
  --border:       #2A3040;
  --border-light: #222838;
  --white:        #1C2230;
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.2);
  --shadow-md:    0 8px 24px rgba(0,0,0,0.25);
  --shadow-lg:    0 20px 48px rgba(0,0,0,0.3);
  --shadow-xl:    0 32px 64px rgba(0,0,0,0.35);
  --nav-bg:       rgba(15,18,24,0.96);
}

/* ── Base ──────────────────────────────────────────────── */
body {
  font-family: var(--font-sans);
  background: var(--bg-page);
  color: var(--ink);
  line-height: 1.6;
  transition: background 0.35s ease, color 0.35s ease;
}

/* ── Typography ────────────────────────────────────────── */
h1,h2,h3,h4,h5,h6 { font-family: var(--font-serif); font-weight: 700; line-height: 1.15; color: var(--ink); }
h1 { font-size: clamp(2.75rem, 7vw, 5rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
p { color: var(--slate); font-weight: 350; line-height: 1.7; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-accent { color: var(--accent); }
.text-slate { color: var(--slate); }
.font-serif { font-family: var(--font-serif); }
.uppercase { text-transform: uppercase; }
.tracking-wide { letter-spacing: 0.08em; }
.tracking-widest { letter-spacing: 0.12em; }
.leading-tight { line-height: 1.15; }
.leading-relaxed { line-height: 1.7; }

/* ── Label / Eyebrow ───────────────────────────────────── */
.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 1rem;
}

/* ── Accent Rule ───────────────────────────────────────── */
.accent-rule {
  display: block;
  width: 48px; height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 1.5rem;
}
.accent-rule--center { margin-left: auto; margin-right: auto; }

/* ── Layout ────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.container--narrow { max-width: 800px; }
.container--wide { max-width: 1400px; }
.section { padding: 7rem 0; }
.section--sm { padding: 4rem 0; }
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }
.gap-6 { gap: 3rem; }
.text-center { text-align: center; }

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  border-radius: var(--radius-full);
  padding: 14px 32px;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--ink);
  color: var(--bg-page);
}
.btn--primary:hover {
  background: var(--accent);
  color: var(--ink);
  box-shadow: 0 12px 28px rgba(196,162,58,0.28);
}

.btn--accent {
  background: var(--accent);
  color: #192038;
}
.btn--accent:hover {
  background: var(--accent-hover);
  box-shadow: 0 12px 28px rgba(196,162,58,0.35);
}

.btn--outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
.btn--outline:hover {
  background: var(--ink);
  color: var(--bg-page);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  padding: 10px 20px;
}
.btn--ghost:hover { color: var(--accent); }

.btn--sm { padding: 10px 22px; font-size: 0.8125rem; }
.btn--lg { padding: 18px 40px; font-size: 1rem; }
.btn--full { width: 100%; justify-content: center; }

/* ── Link Arrow ────────────────────────────────────────── */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--ink);
  transition: gap 0.2s ease, color 0.2s ease;
}
.link-arrow:hover { gap: 10px; color: var(--accent); }

/* ── Cards ─────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.card--surface { background: var(--bg-surface); }
.card--dark {
  background: #192038;
  color: #F8F8F6;
  border-color: transparent;
}
.card--dark p { color: rgba(248,248,246,0.7); }
.card--flat { border: none; box-shadow: none; }
.card--flat:hover { transform: none; box-shadow: none; }

/* ── Icon Box ──────────────────────────────────────────── */
.icon-box {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.icon-box--accent { background: var(--accent-light); color: var(--accent); }
.icon-box--advisory { background: rgba(25,32,56,0.08); color: var(--advisory); }
.icon-box--studio { background: rgba(45,74,62,0.08); color: var(--studio); }
.icon-box--labs { background: rgba(108,92,231,0.08); color: var(--labs-accent); }

/* ── Navbar ────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.25rem 1.5rem;
  transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
}
.navbar.scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--border);
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}
.navbar__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar__logo {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--ink);
  text-transform: uppercase;
  line-height: 1;
  transition: color 0.25s ease;
}
.navbar__logo:hover { color: var(--accent); }
.footer-logo { color: #F8F8F6; }
.navbar__links { display: none; align-items: center; gap: 2rem; }
.navbar__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
  transition: color 0.2s ease;
}
.navbar__link:hover { color: var(--accent); }

/* Mobile toggle */
.navbar__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.navbar__toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg-page);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu a {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ink);
  transition: color 0.2s ease;
}
.mobile-menu a:hover { color: var(--accent); }

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

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  padding-bottom: 4rem;
  position: relative;
  overflow: hidden;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-full);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}
.hero__badge-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:0.4; transform:scale(0.7); }
}

/* ── Sections ──────────────────────────────────────────── */
.bg-page { background: var(--bg-page); }
.bg-surface { background: var(--bg-surface); }
.bg-ink { background: #192038; color: #F8F8F6; }
.bg-ink h2, .bg-ink h3, .bg-ink h4 { color: #F8F8F6; }
.bg-ink p { color: rgba(248,248,246,0.6); }

/* ── Stats ─────────────────────────────────────────────── */
.stat__number {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--slate);
  margin-top: 0.5rem;
}

/* ── Trust Bar ─────────────────────────────────────────── */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 2rem 0;
  opacity: 0.4;
  filter: grayscale(1);
}
.trust-bar img { height: 28px; width: auto; }

/* ── Pricing Cards ─────────────────────────────────────── */
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.pricing-card--featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #192038;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 16px;
  border-radius: var(--radius-full);
}
.pricing-card__price {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--ink);
  line-height: 1;
}
.pricing-card__price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--slate);
}
.pricing-card__features { margin: 1.5rem 0; }
.pricing-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--slate);
  border-bottom: 1px solid var(--border-light);
}
.pricing-card__features li:last-child { border-bottom: none; }
.pricing-card__features .check { color: var(--accent); flex-shrink: 0; margin-top: 2px; }

/* ── Blog Cards ────────────────────────────────────────── */
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.blog-card__image {
  height: 200px;
  overflow: hidden;
}
.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.blog-card:hover .blog-card__image img { transform: scale(1.05); }
.blog-card__body { padding: 1.75rem; }
.blog-card__tag {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

/* ── Portfolio ─────────────────────────────────────────── */
.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  cursor: pointer;
}
.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.portfolio-item:hover img { transform: scale(1.05); }
.portfolio-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(25,32,56,0.9), rgba(25,32,56,0.3), transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.portfolio-item:hover .portfolio-item__overlay { opacity: 1; }
.portfolio-item__tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  color: var(--ink);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

/* ── Form ──────────────────────────────────────────────── */
.form-field {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.9375rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-field:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(196,162,58,0.15);
}
.form-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate);
  margin-bottom: 0.5rem;
}

/* ── Footer ────────────────────────────────────────────── */
.footer {
  background: #0F1524;
  color: #F8F8F6;
  padding: 4rem 0 2rem;
}
.footer h4 {
  color: rgba(248,248,246,0.5);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1.5rem;
}
.footer a {
  color: rgba(248,248,246,0.55);
  font-size: 0.875rem;
  transition: color 0.2s ease;
}
.footer a:hover { color: var(--accent); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 3rem;
  padding-top: 2rem;
  text-align: center;
  color: rgba(248,248,246,0.25);
  font-size: 0.75rem;
}

/* ── Scroll Reveal ─────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Dark Mode Toggle ──────────────────────────────────── */
.theme-toggle {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  transition: all 0.25s ease;
  flex-shrink: 0;
}
.theme-toggle:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}
.theme-toggle .icon-sun { display: none; }
html.dark .theme-toggle .icon-moon { display: none; }
html.dark .theme-toggle .icon-sun { display: block; }

/* ── FAQ Accordion ─────────────────────────────────────── */
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  text-align: left;
  padding: 0.5rem 0;
}
.faq-question i { transition: transform 0.3s ease; color: var(--accent); font-size: 0.75rem; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-answer { max-height: 300px; padding-top: 0.75rem; }
.faq-answer p { font-size: 0.9375rem; }

/* ── Process Steps ─────────────────────────────────────── */
.process-step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}
.process-step__number {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ── Scrollbar ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ── Utilities ─────────────────────────────────────────── */
.sr-only { position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.pt-6 { padding-top: 1.5rem; }
.relative { position: relative; }
.hidden { display: none; }
.overflow-hidden { overflow: hidden; }

/* ── Dark mode image inversion for logo ────────────────── */
html.dark .logo-invertible { filter: brightness(0) invert(1); }