/* ============================================================
   ANTIPHASE TECHNOLOGIES — COMPONENT LIBRARY v2.0
   Pure monochrome. Every component references tokens.
   ============================================================ */

/* ════════════════════════════════════════
   NAVIGATION
════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition:
    background-color var(--duration-slow) var(--ease-in-out),
    border-color var(--duration-slow) var(--ease-in-out),
    backdrop-filter var(--duration-slow) var(--ease-in-out);
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(32px) saturate(1.4);
  -webkit-backdrop-filter: blur(32px) saturate(1.4);
  border-bottom-color: var(--color-border);
}

.nav__inner {
  width: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
  text-decoration: none;
  cursor: pointer;
}

/* 3-dot Sidebar Toggle Icon */
.nav__logo-menu-icon {
  display: flex;
  flex-direction: column;
  gap: 3px;
  justify-content: center;
  align-items: center;
  width: 16px;
  height: 24px;
}

.nav__logo-menu-icon span {
  display: block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--color-text-secondary);
  transition: background-color var(--duration-fast) var(--ease-in-out);
}

.nav__logo:hover .nav__logo-menu-icon span {
  background-color: #FFFFFF;
}

.nav__logo img {
  height: 60px;
  width: auto;
  object-fit: contain;
  filter: brightness(1) invert(0);
  transition: opacity var(--duration-base) var(--ease-in-out);
}

.nav__logo:hover img {
  opacity: 0.65;
}

/* Nav Links */
.nav__links {
  display: none;
}

.nav__link {
  position: relative;
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  transition: color var(--duration-fast) var(--ease-in-out);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: var(--space-4);
  right: var(--space-4);
  height: 1px;
  background-color: #FFFFFF;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out-expo);
}

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

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

.nav__link.is-active {
  color: var(--color-text-primary);
}

/* Nav CTA */
.nav__cta {
  display: none;
}

.nav__cta:hover {
  color: #000000;
  background-color: #FFFFFF;
  border-color: #FFFFFF;
}

.nav__cta-icon {
  font-size: var(--text-sm);
  transition: transform var(--duration-base) var(--ease-out-expo);
}

.nav__cta:hover .nav__cta-icon {
  transform: translateX(3px);
}

/* Mobile Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 5px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.nav__hamburger-line {
  display: block;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-full);
  transition:
    width var(--duration-base) var(--ease-out-expo),
    transform var(--duration-base) var(--ease-out-expo),
    opacity var(--duration-fast) var(--ease-in-out);
}

.nav__hamburger-line:nth-child(1) { width: 24px; }
.nav__hamburger-line:nth-child(2) { width: 16px; }
.nav__hamburger-line:nth-child(3) { width: 20px; }

.nav__hamburger.is-open .nav__hamburger-line:nth-child(1) {
  width: 22px;
  transform: translateY(6px) rotate(45deg);
}
.nav__hamburger.is-open .nav__hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__hamburger.is-open .nav__hamburger-line:nth-child(3) {
  width: 22px;
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile Menu / Sidebar */
.nav__mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 240px;
  max-width: 75vw;
  z-index: calc(var(--z-nav) - 1);
  background-color: rgba(5, 5, 5, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  padding: 100px var(--space-4) var(--space-4) var(--space-4);
  transform: translateX(-100%);
  visibility: hidden;
  transition:
    transform var(--duration-base) var(--ease-out-expo),
    visibility var(--duration-base) var(--ease-out-expo);
}

.nav__mobile-menu.is-open {
  transform: translateX(0);
  visibility: visible;
}

.nav__mobile-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: 100%;
}

.nav__mobile-link {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  letter-spacing: normal;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition:
    color var(--duration-fast) var(--ease-in-out),
    background-color var(--duration-fast) var(--ease-in-out);
  text-decoration: none;
}

.nav__mobile-link:hover,
.nav__mobile-link.is-active {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.05);
}

/* Floating CTA */
.floating-cta {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  background-color: #FFFFFF;
  color: #000000;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  transition:
    transform var(--duration-fast) var(--ease-out-expo),
    box-shadow var(--duration-fast) var(--ease-out-expo);
}

.floating-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.8);
}

@media (max-width: 900px) {
  /* No special mobile nav rules needed since it's universally a sidebar now */
}

/* ════════════════════════════════════════
   FOOTER
════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-16) 0 var(--space-10);
  background-color: var(--color-bg);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: var(--space-8);
}

.footer__brand img {
  height: 48px;
  width: auto;
  object-fit: contain;
  margin-bottom: var(--space-3);
  opacity: 0.45;
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 36ch;
  line-height: var(--leading-normal);
}

.footer__links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.footer__link {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-in-out);
}

.footer__link:hover {
  color: #FFFFFF;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wide);
}

.footer__legal {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wide);
}

@media (max-width: 640px) {
  .footer__top {
    grid-template-columns: 1fr;
  }
  .footer__links {
    flex-wrap: wrap;
    gap: var(--space-4);
  }
  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ════════════════════════════════════════
   BUTTONS
════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-primary);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition:
    color var(--duration-fast) var(--ease-in-out),
    background-color var(--duration-fast) var(--ease-in-out),
    border-color var(--duration-fast) var(--ease-in-out),
    transform var(--duration-fast) var(--ease-out-expo);
  position: relative;
}

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

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

/* Primary — solid white, black text */
.btn--primary {
  background-color: #FFFFFF;
  color: #000000;
  border-color: #FFFFFF;
}

.btn--primary:hover {
  background-color: rgba(255, 255, 255, 0.88);
  border-color: rgba(255, 255, 255, 0.88);
}

/* Ghost — white border, white text */
.btn--ghost {
  background-color: transparent;
  color: rgba(255, 255, 255, 0.65);
  border-color: rgba(255, 255, 255, 0.18);
}

.btn--ghost:hover {
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.40);
  background-color: rgba(255, 255, 255, 0.05);
}

/* Ghost Accent — same as ghost in monochrome */
.btn--ghost-accent {
  background-color: transparent;
  color: rgba(255, 255, 255, 0.65);
  border-color: rgba(255, 255, 255, 0.20);
}

.btn--ghost-accent:hover {
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.45);
  background-color: rgba(255, 255, 255, 0.05);
}

/* Large */
.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-xs);
  border-radius: var(--radius-md);
}

/* ════════════════════════════════════════
   SECTION LABEL (eyebrow text)
════════════════════════════════════════ */
.section-label {
  display: inline-block;
  font-family: var(--font-primary);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.section-label--dim {
  color: var(--color-text-muted);
}

/* ════════════════════════════════════════
   SERVICE CARD
════════════════════════════════════════ */
.service-card {
  background-color: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transition:
    border-color var(--duration-fast) var(--ease-in-out),
    background-color var(--duration-fast) var(--ease-in-out),
    transform var(--duration-base) var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-in-out);
}

.service-card:hover {
  border-color: rgba(255, 255, 255, 0.14);
  background-color: rgba(255, 255, 255, 0.025);
  transform: translateY(-2px);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card__icon {
  width: 36px;
  height: 36px;
  color: rgba(255, 255, 255, 0.45);
  flex-shrink: 0;
}

.service-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: #FFFFFF;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
}

.service-card__body {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: var(--weight-medium);
  line-height: var(--leading-relaxed);
  max-width: none;
  flex: 1;
}

/* ════════════════════════════════════════
   INDUSTRY TAG
════════════════════════════════════════ */
.industry-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  background-color: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  letter-spacing: var(--tracking-wide);
  white-space: nowrap;
  transition:
    color var(--duration-fast) var(--ease-in-out),
    border-color var(--duration-fast) var(--ease-in-out),
    background-color var(--duration-fast) var(--ease-in-out);
}

.industry-tag:hover {
  color: rgba(255, 255, 255, 0.75);
  border-color: rgba(255, 255, 255, 0.18);
  background-color: rgba(255, 255, 255, 0.04);
}

.industry-tag__dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.35);
  flex-shrink: 0;
}

/* ════════════════════════════════════════
   CONCEPT BADGE
════════════════════════════════════════ */
.concept-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-full);
}

/* ════════════════════════════════════════
   DISCLAIMER BLOCK
════════════════════════════════════════ */
.disclaimer {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-left: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
}

.disclaimer__icon {
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
  color: rgba(255, 255, 255, 0.35);
}

.disclaimer__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 80ch;
}

/* ════════════════════════════════════════
   STAR RATING (Feedback)
════════════════════════════════════════ */
.star-rating {
  display: flex;
  gap: var(--space-2);
}

.star-rating__input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.star-rating__label {
  cursor: pointer;
  font-size: var(--text-2xl);
  color: var(--color-surface-3);
  transition: color var(--duration-fast) var(--ease-in-out),
              transform var(--duration-fast) var(--ease-out-expo);
  line-height: 1;
}

.star-rating__label:hover,
.star-rating__label.is-selected,
.star-rating__label.is-hovered {
  color: #FFFFFF;
}

.star-rating__label:hover {
  transform: scale(1.1);
}

/* ════════════════════════════════════════
   FORM ELEMENTS
════════════════════════════════════════ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.form-label .required {
  color: rgba(255, 255, 255, 0.5);
  margin-left: 2px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  transition:
    border-color var(--duration-fast) var(--ease-in-out),
    background-color var(--duration-fast) var(--ease-in-out),
    box-shadow var(--duration-fast) var(--ease-in-out);
  appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.30);
  background-color: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.06);
}

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

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23555' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
  cursor: pointer;
}

.form-select option {
  background-color: #0A0A0A;
  color: #FFFFFF;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
}

/* ════════════════════════════════════════
   INTERACTIVE GLOW CARD (mouse-reactive)
════════════════════════════════════════ */
.glow-card {
  position: relative;
}

.glow-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  background: radial-gradient(
    350px circle at var(--mouse-x, 0px) var(--mouse-y, 0px),
    rgba(255, 255, 255, 0.06),
    transparent 80%
  );
  border-radius: inherit;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-in-out);
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.glow-card:hover::after {
  opacity: 1;
}