/* ============================================================
   DANCY'S CONSULTANT GROUP LLC — Design Tokens & Component Styles
   Art Direction: Authoritative / Corporate / Defense
   Palette: Navy + Slate + Gold accent
   ============================================================ */

/* --- Type Scale (Fluid) --- */
:root {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);

  /* --- Spacing (4px base) --- */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* --- Fonts --- */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;

  /* --- Radius --- */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* --- Transitions --- */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* --- Content Widths --- */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}

/* --- Light Mode (Default) --- */
:root, [data-theme="light"] {
  --color-bg:             #f8f9fa;
  --color-surface:        #ffffff;
  --color-surface-2:      #f1f3f5;
  --color-surface-offset: #e9ecef;
  --color-divider:        #dee2e6;
  --color-border:         #ced4da;

  --color-text:           #1a1e2e;
  --color-text-muted:     #5c6378;
  --color-text-faint:     #adb5bd;
  --color-text-inverse:   #f8f9fa;

  --color-primary:        #c8a23c;
  --color-primary-hover:  #b08c2e;
  --color-primary-active: #8f7024;

  --color-navy:           #0d1b3e;
  --color-navy-light:     #1a2d5a;
  --color-slate:          #2c3e6b;

  --shadow-sm: 0 1px 2px rgba(13, 27, 62, 0.06);
  --shadow-md: 0 4px 12px rgba(13, 27, 62, 0.08);
  --shadow-lg: 0 12px 32px rgba(13, 27, 62, 0.12);
}

/* --- Dark Mode --- */
[data-theme="dark"] {
  --color-bg:             #0a0e1a;
  --color-surface:        #111827;
  --color-surface-2:      #1a2236;
  --color-surface-offset: #151d30;
  --color-divider:        #1e2a44;
  --color-border:         #2a3654;

  --color-text:           #d1d5db;
  --color-text-muted:     #8892a8;
  --color-text-faint:     #4b5672;
  --color-text-inverse:   #0a0e1a;

  --color-primary:        #dab652;
  --color-primary-hover:  #c8a23c;
  --color-primary-active: #b08c2e;

  --color-navy:           #0d1b3e;
  --color-navy-light:     #1a2d5a;
  --color-slate:          #2c3e6b;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #0a0e1a;
    --color-surface:        #111827;
    --color-surface-2:      #1a2236;
    --color-surface-offset: #151d30;
    --color-divider:        #1e2a44;
    --color-border:         #2a3654;
    --color-text:           #d1d5db;
    --color-text-muted:     #8892a8;
    --color-text-faint:     #4b5672;
    --color-text-inverse:   #0a0e1a;
    --color-primary:        #dab652;
    --color-primary-hover:  #c8a23c;
    --color-primary-active: #b08c2e;
    --color-navy:           #0d1b3e;
    --color-navy-light:     #1a2d5a;
    --color-slate:          #2c3e6b;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
  }
}

/* ============================================================
   LAYOUT
   ============================================================ */

.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

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

/* ============================================================
   HEADER / NAV
   ============================================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.08);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.header__logo-mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.header__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.header__logo-text span {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.nav { display: flex; align-items: center; gap: var(--space-6); }

.nav__links {
  display: flex;
  list-style: none;
  gap: var(--space-5);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.01em;
  position: relative;
  padding-block: var(--space-1);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav__link:hover,
.nav__link:focus { color: var(--color-text); }

.nav__link:hover::after,
.nav__link:focus::after { width: 100%; }

.nav__cta {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy);
  background: var(--color-primary);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-sm);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.nav__cta:hover { background: var(--color-primary-hover); }

.theme-toggle {
  padding: var(--space-1);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
}
.theme-toggle:hover { color: var(--color-text); }

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  padding: var(--space-2);
  color: var(--color-text);
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__toggle { display: block; }

  .nav__links--open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-4);
    gap: var(--space-4);
    box-shadow: var(--shadow-md);
  }

  .nav__links--open .nav__link {
    font-size: var(--text-base);
    padding-block: var(--space-2);
  }

  .nav__links--open + .nav__cta {
    display: inline-block;
    position: absolute;
    top: calc(100% + 1px);
    /* handled differently on mobile */
  }
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13, 27, 62, 0.88) 0%,
    rgba(13, 27, 62, 0.7) 50%,
    rgba(13, 27, 62, 0.55) 100%
  );
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-16) var(--space-4);
  color: #f0f1f4;
}

.hero__eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.hero__eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--color-primary);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: 1.08;
  margin-bottom: var(--space-6);
  max-width: 14ch;
  color: #ffffff;
}

.hero__subtitle {
  font-size: var(--text-base);
  line-height: 1.7;
  max-width: 52ch;
  color: rgba(209, 213, 219, 0.9);
  margin-bottom: var(--space-8);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  text-decoration: none;
  letter-spacing: 0.01em;
  cursor: pointer;
}

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

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

.btn--outline {
  background: transparent;
  color: #f0f1f4;
  border: 1px solid rgba(200, 162, 60, 0.5);
}

.btn--outline:hover {
  background: rgba(200, 162, 60, 0.1);
  border-color: var(--color-primary);
}

/* ============================================================
   SECTIONS (General)
   ============================================================ */

.section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

.section--dark {
  background: var(--color-navy);
  color: #d1d5e0;
}

.section--alt {
  background: var(--color-surface-2);
}

.section__eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.section--dark .section__title { color: #ffffff; }

.section__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-bottom: var(--space-10);
}

.section--dark .section__subtitle { color: rgba(209, 213, 219, 0.75); }

.section__divider {
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  margin-bottom: var(--space-6);
}

/* ============================================================
   SERVICES
   ============================================================ */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: var(--space-6);
}

.service-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(200, 162, 60, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
  border-color: rgba(200, 162, 60, 0.35);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}

.service-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: #ffffff;
  margin-bottom: var(--space-3);
}

.service-card__desc {
  font-size: var(--text-sm);
  color: rgba(209, 213, 219, 0.75);
  line-height: 1.7;
}

/* ============================================================
   ABOUT (Two Column)
   ============================================================ */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.about__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.about__content { }

.about__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}

/* Stats Row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}

@media (max-width: 480px) {
  .stats-row { grid-template-columns: 1fr; gap: var(--space-4); }
}

.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.stat__label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================================
   PAST PERFORMANCE / CAPABILITIES
   ============================================================ */

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-4);
}

.capability-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
}

.capability-item__icon {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.capability-item__text {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
}

/* Performance highlight cards */
.perf-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

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

.perf-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  box-shadow: var(--shadow-sm);
}

.perf-card__client {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.perf-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.perf-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.perf-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.perf-tag {
  font-size: var(--text-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: oklch(from var(--color-primary) l c h / 0.12);
  color: var(--color-primary);
}

[data-theme="dark"] .perf-tag {
  background: oklch(from var(--color-primary) l c h / 0.18);
}

/* ============================================================
   WHY DCG SECTION
   ============================================================ */

.diff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr));
  gap: var(--space-6);
}

.diff-item {
  text-align: left;
}

.diff-item__number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: oklch(from var(--color-primary) l c h / 0.3);
  margin-bottom: var(--space-2);
  line-height: 1;
}

.diff-item__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.diff-item__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================================================
   CONTACT
   ============================================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-12);
  align-items: start;
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-8); }
}

.contact__info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.contact__info-icon {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.contact__info-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.contact__info-value {
  font-size: var(--text-sm);
  color: #ffffff;
}

.contact__info-value a {
  color: #ffffff;
  text-decoration: none;
}

.contact__info-value a:hover { color: var(--color-primary); }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(209, 213, 219, 0.7);
}

.form-group input,
.form-group textarea {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(200, 162, 60, 0.2);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: #ffffff;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(209, 213, 219, 0.4);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

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

.btn--submit {
  align-self: flex-start;
  background: var(--color-primary);
  color: var(--color-navy);
  font-weight: 700;
  padding: var(--space-3) var(--space-8);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
}

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

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background: #070b15;
  padding-block: var(--space-8);
  border-top: 1px solid rgba(200, 162, 60, 0.15);
}

.footer__inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.footer__copy {
  font-size: var(--text-xs);
  color: #5c6378;
}

.footer__links {
  display: flex;
  gap: var(--space-5);
  list-style: none;
}

.footer__links a {
  font-size: var(--text-xs);
  color: #5c6378;
  text-decoration: none;
}

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

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-navy);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--text-sm);
  z-index: 100;
  text-decoration: none;
}

.skip-link:focus { top: var(--space-2); }

/* CTA Banner */
.cta-banner {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}

.cta-banner__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cta-banner__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.25);
}

.cta-banner__content {
  position: relative;
  z-index: 2;
}

.cta-banner__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: #ffffff;
  margin-bottom: var(--space-4);
}

.cta-banner__subtitle {
  font-size: var(--text-base);
  color: rgba(209, 213, 219, 0.8);
  max-width: 50ch;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}