/* ============================================================
   COMMITLE Design System
   Mobile-first, CSS custom properties, zero dependencies
   ============================================================ */

/* ============================================================
   1. CUSTOM PROPERTIES
   ============================================================ */
:root {
  /* Colors */
  --color-bg:          #0a0a0a;
  --color-surface:     #111111;
  --color-surface-2:   #1a1a1a;
  --color-border:      rgba(255, 255, 255, 0.08);
  --color-accent:      #4f6ef7;
  --color-accent-soft: rgba(79, 110, 247, 0.12);
  --color-text-1:      #ffffff;
  --color-text-2:      #a0a0a0;
  --color-text-3:      #606060;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 7rem;

  /* Layout */
  --container-max: 1200px;
  --container-pad: 1.25rem;

  /* Nav */
  --nav-height: 110px;

  /* Radii */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-2);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ============================================================
   3. UTILITY CLASSES
   ============================================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ============================================================
   4. TYPOGRAPHY HELPERS
   ============================================================ */
.section-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 0.3em 0.8em;
  margin-bottom: var(--space-md);
}

.section-heading {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text-1);
  margin-bottom: var(--space-lg);
}

/* ============================================================
   5. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--font-sans);
  padding: 0.75em 1.6em;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    border-color     var(--transition-base),
    color            var(--transition-base),
    transform        var(--transition-fast);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn--accent {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

.btn--accent:hover {
  background-color: #3b58e8;
  border-color: #3b58e8;
}

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

.btn--ghost:hover {
  background-color: var(--color-accent-soft);
}

/* ============================================================
   6. NAV
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--transition-base),
    border-color     var(--transition-base),
    backdrop-filter  var(--transition-base);
}

.site-header.is-scrolled {
  background-color: var(--color-surface);
  border-bottom-color: var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--space-lg);
}

.nav__logo {
  flex-shrink: 0;
  margin-right: auto;
}

.nav__logo-img {
  height: 90px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}

@media (max-width: 639px) {
  .nav__logo-img {
    height: 48px;
    max-width: 160px;
  }
}

.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-2);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--color-text-1);
}

.nav__link.is-active::after,
.nav__link:hover::after {
  transform: scaleX(1);
}

.nav__cta {
  display: none;
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 4px;
  margin-left: auto;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}

.nav__hamburger-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-1);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

.nav-open .nav__hamburger .nav__hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-open .nav__hamburger .nav__hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-open .nav__hamburger .nav__hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 99;
  background-color: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.nav-overlay.is-open {
  opacity: 1;
  pointer-events: all;
}

.nav-overlay__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.nav-overlay__link {
  font-size: clamp(1.8rem, 6vw, 2.5rem);
  font-weight: 600;
  color: var(--color-text-1);
  letter-spacing: -0.02em;
  transition: color var(--transition-fast);
}

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

/* ============================================================
   7. HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}

/* Hero background image with dark overlay */
.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(
      to bottom,
      rgba(10, 10, 10, 0.25) 0%,
      rgba(10, 10, 10, 0.42) 60%,
      rgba(10, 10, 10, 0.75) 100%
    ),
    url('../public/hero-background.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  padding-block: var(--space-2xl);
  max-width: 820px;
}

.hero__headline {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text-1);
  margin-bottom: var(--space-md);
}

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

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-text-2);
  max-width: 560px;
  margin-bottom: var(--space-lg);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ============================================================
   8. SERVICES
   ============================================================ */
.services {
  padding-block: var(--space-2xl);
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

/* ============================================================
   9. CARD NUMBERED
   ============================================================ */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition:
    border-color var(--transition-base),
    transform    var(--transition-base);
}

.card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.card--numbered {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.card__number {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.card__title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text-1);
  line-height: 1.3;
}

.card__body {
  font-size: 0.95rem;
  color: var(--color-text-2);
  line-height: 1.7;
  flex: 1;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-top: auto;
  transition: gap var(--transition-fast), opacity var(--transition-fast);
}

.card__link:hover {
  gap: 0.6rem;
  opacity: 0.85;
}

/* ============================================================
   10. STATS BAR
   ============================================================ */
.stats-bar {
  background-color: var(--color-surface-2);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-xl);
}

.stats-bar__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  text-align: center;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat__number {
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 600;
  color: var(--color-text-1);
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat__unit {
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
  margin-left: 2px;
  align-self: flex-start;
  margin-top: 0.3em;
}

.stat > .stat__number,
.stat > .stat__unit {
  display: inline;
}

.stat__value-row {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.stat__label {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-3);
  margin-top: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================================
   11. WHY COMMITLE
   ============================================================ */
.why {
  padding-block: var(--space-2xl);
}

.why__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.why-item {
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  transition: border-color var(--transition-base);
}

.why-item:hover {
  border-color: rgba(79, 110, 247, 0.4);
}

.why-item__number {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

.why-item__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-1);
  margin-bottom: var(--space-xs);
}

.why-item__body {
  font-size: 0.95rem;
  color: var(--color-text-2);
  line-height: 1.7;
}

/* ============================================================
   12. FRAMEWORK (two-column)
   ============================================================ */
.framework {
  padding-block: var(--space-2xl);
  background-color: var(--color-surface-2);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.framework__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

.framework__col .section-heading {
  margin-bottom: var(--space-md);
}

.framework__col-heading {
  font-size: clamp(1.4rem, 2.8vw, 2.2rem);
}

.framework__body {
  font-size: 1rem;
  color: var(--color-text-2);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

/* ============================================================
   13. WORK / PORTFOLIO
   ============================================================ */
.work {
  padding-block: var(--space-2xl);
}

.work__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.project-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition:
    border-color var(--transition-base),
    transform    var(--transition-base);
}

.project-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.project-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: top;
  background-color: var(--color-surface-2);
  background-image:
    linear-gradient(
      135deg,
      rgba(79, 110, 247, 0.08) 0%,
      transparent 60%
    );
}

.project-card__body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.project-card__title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text-1);
}

.project-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-2);
  line-height: 1.7;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.tag {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  border-radius: var(--radius-sm);
  padding: 0.25em 0.7em;
  letter-spacing: 0.03em;
}

/* ============================================================
   14. CTA STRIP
   ============================================================ */
.cta-strip {
  padding-block: var(--space-2xl);
  background: linear-gradient(
    135deg,
    var(--color-surface-2) 0%,
    rgba(79, 110, 247, 0.05) 100%
  );
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.cta-strip__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.cta-strip__heading {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--color-text-1);
  letter-spacing: -0.02em;
  line-height: 1.2;
  max-width: 640px;
}

/* ============================================================
   15. CONTACT FORM
   ============================================================ */
.contact {
  padding-block: var(--space-2xl);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

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

.contact__info .section-heading {
  margin-bottom: var(--space-md);
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.95rem;
  color: var(--color-text-2);
  margin-bottom: var(--space-md);
}

.contact__detail i {
  font-size: 1.2rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact__detail a {
  color: var(--color-text-2);
  transition: color var(--transition-fast);
}

.contact__detail a:hover {
  color: var(--color-text-1);
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-2);
}

.form-input {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text-1);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  width: 100%;
  transition:
    border-color var(--transition-fast),
    box-shadow   var(--transition-fast);
  outline: none;
}

.form-input::placeholder {
  color: var(--color-text-3);
}

.form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-submit {
  align-self: flex-start;
  font-size: 0.95rem;
}

/* ============================================================
   16. FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-xl);
  padding-bottom: var(--space-lg);
}

.footer__main {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__logo {
  height: 32px;
  width: auto;
}

.footer__tagline {
  font-size: 0.9rem;
  color: var(--color-text-3);
  max-width: 220px;
  line-height: 1.5;
}

.footer__col-heading {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-3);
  margin-bottom: var(--space-md);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  font-size: 0.9rem;
  color: var(--color-text-2);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text-1);
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.footer__copy {
  font-size: 0.8rem;
  color: var(--color-text-3);
}

.footer__copy--muted {
  color: var(--color-text-3);
  opacity: 0.6;
}

/* ============================================================
   17. SCROLL-IN FADE ANIMATION
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity  var(--transition-slow),
    transform var(--transition-slow);
}

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

/* Stagger delays for grid children */
.fade-in:nth-child(2) { transition-delay: 80ms;  }
.fade-in:nth-child(3) { transition-delay: 160ms; }
.fade-in:nth-child(4) { transition-delay: 240ms; }

/* ============================================================
   18. RESPONSIVE TABLET (≥ 640px)
   ============================================================ */
@media (min-width: 640px) {
  :root {
    --container-pad: 2rem;
  }

  .stats-bar__inner {
    grid-template-columns: repeat(3, 1fr);
  }

  .why__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .work__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__main {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* ============================================================
   19. RESPONSIVE DESKTOP (≥ 1024px)
   ============================================================ */
@media (min-width: 1024px) {
  :root {
    --container-pad: 2.5rem;
  }

  /* Nav */
  .nav__links {
    display: flex;
  }

  .nav__cta {
    display: inline-flex;
  }

  .nav__hamburger {
    display: none;
  }

  /* Services */
  .services__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Framework */
  .framework__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
  }

  /* Work */
  .work__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Contact */
  .contact__inner {
    grid-template-columns: 1fr 1.4fr;
    align-items: start;
  }

  /* Footer */
  .footer__main {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    align-items: start;
  }

  /* CTA strip */
  .cta-strip__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .cta-strip__heading {
    max-width: 500px;
  }
}

/* ============================================================
   20. STAT NUMBER + UNIT inline layout
   ============================================================ */
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.stat__row {
  display: flex;
  align-items: flex-start;
  line-height: 1;
}

/* ============================================================
   21. FOCUS VISIBLE (accessibility)
   ============================================================ */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ============================================================
   22. SELECTION
   ============================================================ */
::selection {
  background-color: var(--color-accent-soft);
  color: var(--color-text-1);
}

/* ============================================================
   23. LIGHT SECTION OVERRIDES
   Applied to all sections between Hero and CTA strip.
   CTA strip and footer remain dark.
   ============================================================ */
.light-bg {
  background-color: #ffffff;
  color: #505050;
}

/* Stats bar and Framework get a subtle off-white tint */
.stats-bar.light-bg {
  background-color: #f5f5f7;
  border-top-color: rgba(0, 0, 0, 0.07);
  border-bottom-color: rgba(0, 0, 0, 0.07);
}

.framework.light-bg {
  background-color: #f5f5f7;
  border-top-color: rgba(0, 0, 0, 0.07);
  border-bottom-color: rgba(0, 0, 0, 0.07);
}

/* Headings */
.light-bg .section-heading {
  color: #0d0d0d;
}

/* Cards */
.light-bg .card {
  background-color: #ffffff;
  border-color: rgba(0, 0, 0, 0.09);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.light-bg .card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 6px 20px rgba(79, 110, 247, 0.1);
}

.light-bg .card__title {
  color: #0d0d0d;
}

.light-bg .card__body {
  color: #505050;
}

/* Why items */
.light-bg .why-item {
  background-color: #ffffff;
  border-color: rgba(0, 0, 0, 0.09);
}

.light-bg .why-item:hover {
  border-color: rgba(79, 110, 247, 0.35);
}

.light-bg .why-item__title {
  color: #0d0d0d;
}

.light-bg .why-item__body {
  color: #505050;
}

/* Framework body copy */
.light-bg .framework__body {
  color: #505050;
}

/* Stats */
.light-bg .stat__number {
  color: #0d0d0d;
}

.light-bg .stat__label {
  color: #888888;
}

/* Project cards */
.light-bg .project-card {
  background-color: #ffffff;
  border-color: rgba(0, 0, 0, 0.09);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.light-bg .project-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 6px 20px rgba(79, 110, 247, 0.1);
}

.light-bg .project-card__title {
  color: #0d0d0d;
}

.light-bg .project-card__desc {
  color: #505050;
}

.light-bg .project-card__image {
  background-color: #ebebed;
  background-image: linear-gradient(
    135deg,
    rgba(79, 110, 247, 0.06) 0%,
    transparent 60%
  );
}

/* Contact form */
.light-bg .form-label {
  color: #404040;
}

.light-bg .form-input {
  background-color: #f5f5f7;
  border-color: rgba(0, 0, 0, 0.12);
  color: #0d0d0d;
}

.light-bg .form-input::placeholder {
  color: #aaaaaa;
}

.light-bg .form-input:focus {
  background-color: #ffffff;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

/* Contact info */
.light-bg .contact__detail {
  color: #505050;
}

.light-bg .contact__detail a {
  color: #505050;
}

.light-bg .contact__detail a:hover {
  color: #0d0d0d;
}

/* ============================================================
   AI AUTOMATIONS PAGE
   ============================================================ */

:root {
  --color-auto-1:        #4f6ef7;
  --color-auto-2:        #7b96ff;
  --color-auto-gradient: linear-gradient(135deg, #3b58e8 0%, #7b96ff 100%);
  --color-auto-soft:     rgba(79, 110, 247, 0.12);
}

.text-gradient {
  background: var(--color-auto-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn--gradient {
  background: var(--color-auto-gradient);
  border-color: transparent;
  color: #ffffff;
}
.btn--gradient:hover {
  opacity: 0.88;
}

.btn--outline {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--color-text-1);
}
.btn--outline:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background-color: rgba(255, 255, 255, 0.06);
}

.btn--lg {
  font-size: 1rem;
  padding: 0.9em 2em;
}

.btn--full {
  width: 100%;
  justify-content: center;
}

/* ============================================================
   TAG PILL (eyebrow tag)
   ============================================================ */
.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-2);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.35em 1em;
  margin-bottom: var(--space-md);
}
.tag-pill__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-auto-gradient);
  flex-shrink: 0;
}

/* ============================================================
   SERVICE NAVIGATION PILLS
   ============================================================ */
.service-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-2);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.35em 0.9em;
  transition:
    color            var(--transition-fast),
    border-color     var(--transition-fast),
    background-color var(--transition-fast);
}
.service-pill:hover {
  color: var(--color-text-1);
  border-color: rgba(79, 110, 247, 0.4);
  background-color: var(--color-auto-soft);
}
.service-pill__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-auto-gradient);
  flex-shrink: 0;
}

/* ============================================================
   AUTO HERO
   ============================================================ */
.auto-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}
.auto-hero__bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 70% 55% at 50% 0%, rgba(79, 110, 247, 0.14) 0%, transparent 60%),
    linear-gradient(
      to bottom,
      rgba(10, 10, 10, 0.3) 0%,
      rgba(10, 10, 10, 0.5) 60%,
      rgba(10, 10, 10, 0.85) 100%
    ),
    url('../public/hero-background.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  pointer-events: none;
}
.auto-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: var(--space-2xl);
  max-width: 820px;
}
.auto-hero__headline {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text-1);
  margin-bottom: var(--space-md);
}
.auto-hero__sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--color-text-2);
  max-width: 580px;
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}
.auto-hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}
.auto-hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ============================================================
   AUTO SERVICE SECTIONS
   ============================================================ */
.auto-service {
  padding-block: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}
.auto-service--alt {
  background-color: var(--color-surface-2);
}
.auto-service__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}
.service-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ffffff;
  background: var(--color-auto-gradient);
  border-radius: 999px;
  padding: 0.3em 0.9em;
  margin-bottom: var(--space-md);
}
.auto-service__heading {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text-1);
  margin-bottom: var(--space-md);
}
.auto-service__desc {
  font-size: 1rem;
  color: var(--color-text-2);
  line-height: 1.75;
  margin-bottom: var(--space-lg);
  max-width: 520px;
}

/* ============================================================
   SERVICE STEPS
   ============================================================ */
.service-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}
.service-step {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}
.service-step__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 50%;
  background: var(--color-auto-gradient);
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1;
  flex-shrink: 0;
}
.service-step__title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-1);
  display: block;
  margin-bottom: 0.25rem;
}
.service-step__desc {
  font-size: 0.875rem;
  color: var(--color-text-2);
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   SERVICE STATS
   ============================================================ */
.service-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}
.service-stat {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 100px;
}
.auto-service--alt .service-stat {
  background-color: #111111;
}
.service-stat__num {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
}
.service-stat__label {
  font-size: 0.75rem;
  color: var(--color-text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================================
   CHAT MOCKUP
   ============================================================ */
.chat-mockup {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
  max-width: 480px;
  margin-inline: auto;
  width: 100%;
}
.chat-mockup--dark {
  background-color: #0d0f1e;
  border-color: rgba(255, 255, 255, 0.06);
}
.chat-mockup__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background-color: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--color-border);
}
.chat-mockup__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.chat-mockup__icon--purple { background: linear-gradient(135deg, #3b58e8, #4f6ef7); }
.chat-mockup__icon--orange { background: linear-gradient(135deg, #f59e0b, #ef4444); }
.chat-mockup__icon--yellow { background: linear-gradient(135deg, #fbbf24, #f59e0b); }
.chat-mockup__icon--green  { background: linear-gradient(135deg, #10b981, #059669); }
.chat-mockup__icon--blue   { background: linear-gradient(135deg, #3b58e8, #4f6ef7); }
.chat-mockup__app-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-1);
}
.chat-mockup__app-sub {
  font-size: 0.75rem;
  color: var(--color-text-3);
  margin-top: 2px;
}
.chat-mockup__stats-mini {
  margin-left: auto;
  display: flex;
  gap: var(--space-md);
  font-size: 0.75rem;
  color: var(--color-text-3);
  text-align: center;
  line-height: 1.4;
}
.chat-mockup__stats-mini strong {
  display: block;
  color: var(--color-text-1);
  font-size: 1rem;
}
.chat-mockup__alert {
  padding: var(--space-sm) var(--space-md);
  background-color: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--color-border);
}
.chat-mockup__alert-label {
  font-size: 0.75rem;
  color: var(--color-text-3);
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-xs);
}
.chat-mockup__alert-card {
  background-color: var(--color-surface-2);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.9rem;
  font-size: 0.825rem;
}
.chat-mockup__alert-card strong {
  display: block;
  color: var(--color-text-1);
  margin-bottom: 2px;
}
.chat-mockup__alert-card span {
  color: var(--color-text-3);
  font-size: 0.75rem;
}
.chat-mockup__messages {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.chat-msg {
  max-width: 82%;
  font-size: 0.85rem;
  line-height: 1.5;
  padding: 0.6em 0.9em;
  border-radius: 14px;
}
.chat-msg--inbound {
  background-color: var(--color-surface-2);
  color: var(--color-text-2);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
}
.chat-msg--outbound {
  background: linear-gradient(135deg, #3b58e8, #4f6ef7);
  color: #ffffff;
  border-bottom-right-radius: 4px;
  align-self: flex-end;
}
.chat-msg--status {
  align-self: center;
  font-size: 0.75rem;
  color: #10b981;
  background-color: rgba(16, 185, 129, 0.1);
  border-radius: 999px;
  padding: 0.3em 0.9em;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  max-width: 100%;
}
.chat-mockup__footer {
  padding: var(--space-sm) var(--space-md);
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-3);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.chat-mockup__footer i { color: #f59e0b; }
.chat-mockup__footer strong { color: var(--color-text-1); }
.reviews-preview {
  padding: var(--space-sm) var(--space-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.reviews-preview__stars { color: #f59e0b; font-size: 1rem; letter-spacing: 2px; }
.reviews-preview__count { font-size: 0.8rem; color: var(--color-text-3); }

/* ============================================================
   A2P 10DLC COMPLIANCE SECTION
   ============================================================ */
.a2p-section {
  padding-block: var(--space-2xl);
  background-color: var(--color-surface-2);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.a2p-section__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  align-items: start;
}
.a2p-section__content .section-body {
  margin-bottom: var(--space-md);
}
.a2p-section__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}
.a2p-card {
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  border: 1px solid;
}
.a2p-card--bad {
  background-color: rgba(239, 68, 68, 0.05);
  border-color: rgba(239, 68, 68, 0.2);
}
.a2p-card--good {
  background: linear-gradient(135deg, rgba(79, 110, 247, 0.08), rgba(79, 110, 247, 0.03));
  border-color: rgba(79, 110, 247, 0.3);
}
.a2p-card__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid;
}
.a2p-card__label--bad  { color: #ef4444; border-bottom-color: rgba(239, 68, 68, 0.2); }
.a2p-card__label--good { color: var(--color-auto-1); border-bottom-color: rgba(79, 110, 247, 0.2); }
.a2p-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  list-style: none;
}
.a2p-card__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--color-text-2);
  line-height: 1.5;
}
.a2p-card--bad  .a2p-card__list i { color: #ef4444; font-size: 1rem; flex-shrink: 0; margin-top: 2px; }
.a2p-card--good .a2p-card__list i { color: #10b981; font-size: 1rem; flex-shrink: 0; margin-top: 2px; }

.a2p-process {
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}
.a2p-process__heading {
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  font-weight: 600;
  color: var(--color-text-1);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
  text-align: center;
}
.a2p-process__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}
.a2p-process__step {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.a2p-process__num {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-auto-1);
  text-transform: uppercase;
}
.a2p-process__step strong {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-1);
}
.a2p-process__step p {
  font-size: 0.875rem;
  color: var(--color-text-2);
  line-height: 1.65;
  margin: 0;
}

/* ============================================================
   AUTO CTA SECTION
   ============================================================ */
.auto-cta {
  position: relative;
  padding-block: var(--space-2xl);
  text-align: center;
  overflow: hidden;
}
.auto-cta__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 50% 50%, rgba(79, 110, 247, 0.12) 0%, transparent 65%),
    #0a0a0a;
  pointer-events: none;
}
.auto-cta__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}
.auto-cta__heading {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text-1);
}
.auto-cta__sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--color-text-2);
  max-width: 520px;
  line-height: 1.7;
}
.auto-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-top: var(--space-xs);
}
.auto-cta__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  justify-content: center;
  font-size: 0.85rem;
  color: var(--color-text-3);
}
.auto-cta__badges span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.auto-cta__badges i { color: var(--color-auto-1); font-size: 1rem; }

/* ============================================================
   SECTION BODY HELPER
   ============================================================ */
.section-body {
  font-size: 1rem;
  color: var(--color-text-2);
  line-height: 1.8;
  max-width: 540px;
}

/* ============================================================
   CONTACT DETAILS LIST (automations page)
   ============================================================ */
.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.contact__details li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.95rem;
  color: var(--color-text-2);
}
.contact__details i {
  font-size: 1.1rem;
  color: var(--color-auto-1);
  flex-shrink: 0;
}
.contact__details a {
  color: var(--color-text-2);
  transition: color var(--transition-fast);
}
.contact__details a:hover { color: var(--color-text-1); }

/* ============================================================
   NAV: CURRENT PAGE INDICATOR
   ============================================================ */
.nav__link--current {
  color: var(--color-text-1) !important;
}
.nav__link--current::after {
  transform: scaleX(1) !important;
}

/* ============================================================
   FORM CHECKBOX (A2P consent + terms)
   ============================================================ */
.form-check {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}
.form-check__input {
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin-top: 3px;
  accent-color: var(--color-accent);
  cursor: pointer;
  flex-shrink: 0;
}
.form-check__label {
  font-size: 0.82rem;
  color: var(--color-text-2);
  line-height: 1.65;
  cursor: pointer;
}
.form-check__label a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity var(--transition-fast);
}
.form-check__label a:hover { opacity: 0.8; }

.form-legal-note {
  font-size: 0.78rem;
  color: var(--color-text-3);
  line-height: 1.6;
  text-align: center;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
}
.form-legal-note a {
  color: var(--color-text-3);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}
.form-legal-note a:hover { color: var(--color-text-2); }

/* ============================================================
   LEGAL PAGES (Terms & Privacy)
   ============================================================ */
.legal-hero {
  padding-top: var(--nav-height);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}
.legal-hero__inner {
  padding-top: var(--space-xl);
}
.legal-hero__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}
.legal-hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--color-text-1);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--space-sm);
}
.legal-hero__date {
  font-size: 0.875rem;
  color: var(--color-text-3);
}

.legal-content {
  padding-block: var(--space-2xl);
}
.legal-content__inner {
  max-width: 800px;
}
.legal-content h2 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-text-1);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}
.legal-content h2:first-of-type { margin-top: 0; }
.legal-content h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-1);
  margin-top: var(--space-md);
  margin-bottom: var(--space-xs);
}
.legal-content p {
  font-size: 0.9375rem;
  color: var(--color-text-2);
  line-height: 1.8;
  margin-bottom: var(--space-sm);
}
.legal-content ul,
.legal-content ol {
  padding-left: 1.5rem;
  margin-bottom: var(--space-sm);
}
.legal-content li {
  font-size: 0.9375rem;
  color: var(--color-text-2);
  line-height: 1.75;
  margin-bottom: 0.35rem;
}
.legal-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.legal-content a:hover { opacity: 0.8; }
.legal-content strong { color: var(--color-text-1); }

.legal-highlight {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
  color: var(--color-text-2);
  line-height: 1.75;
}

/* ============================================================
   AUTO PAGE RESPONSIVE: TABLET (≥ 640px)
   ============================================================ */
@media (min-width: 640px) {
  .a2p-section__cards    { grid-template-columns: 1fr 1fr; }
  .a2p-process__steps    { grid-template-columns: repeat(2, 1fr); }
  .service-stats         { flex-wrap: nowrap; }
}

/* ============================================================
   AUTO PAGE RESPONSIVE: DESKTOP (≥ 1024px)
   ============================================================ */
@media (min-width: 1024px) {
  .auto-service__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
  .a2p-section__inner    { grid-template-columns: 1fr 1fr; }
  .a2p-process__steps    { grid-template-columns: repeat(4, 1fr); }
}