/* ==========================================================================
   Layout — Sections, Containers, Grids
   ========================================================================== */

/* ── Section ── */
.section {
  position: relative;
  padding: var(--space-xl) 0;
}

.section--hero {
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.section--deep {
  background-color: var(--color-bg-deep);
}

.section--flush {
  padding: 0;
}

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

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

.container--wide {
  max-width: var(--container-wide);
}

/* ── Bottom Blur Bar (fixed at viewport bottom) ── */
.bottom-blur {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50px;
  z-index: var(--z-nav);
  pointer-events: none;
  background: linear-gradient(0deg, rgba(17, 16, 16, 0.38), transparent 73%);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
  -webkit-mask: linear-gradient(transparent, black 80%);
  mask: linear-gradient(transparent, black 80%);
}

/* ── Navigation Layout — Liquid Glass ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  display: flex;
  justify-content: center;
  width: 100%;
  padding: 2em 0;
  transition: all 0.4s ease;
}

/* Scrolled state: pill shape with liquid glass effect */
.nav--scrolled {
  width: 98%;
  margin: 10px 1%;
  padding: 0.5em 0;
  border-radius: 20px;
  border: 1px solid rgba(245, 247, 250, 0.06);
  background-color: transparent;
  background-image: radial-gradient(circle, transparent, rgba(65, 64, 70, 0.36) 74%, rgba(75, 74, 78, 0.49) 99%);
  -webkit-backdrop-filter: blur(40px);
  backdrop-filter: blur(40px);
  box-shadow:
    8px 8px 24px rgba(9, 13, 20, 0.4),
    -4px -4px 8px rgba(224, 224, 255, 0.04),
    0 1px 1px rgba(9, 13, 20, 0.4);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0 3em;
}

/* ── Logo with icon + text ── */
.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo-icon {
  height: 16px;
  width: auto;
  margin-right: 12px;
  transition: all 0.4s ease;
}

.nav__logo-text {
  height: 16px;
  width: auto;
  transition: all 0.4s ease;
}

.nav--scrolled .nav__logo-icon {
  height: 14px;
}

.nav--scrolled .nav__logo-text {
  height: 14px;
}

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

.nav__link {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--color-text-primary);
  transition: color 0.2s;
  position: relative;
  font-family: var(--font-display);
}

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

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent-gradient);
  transition: width var(--duration-normal) var(--ease-out);
}

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

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.nav__hamburger span {
  display: block;
  height: 1.5px;
  width: 100%;
  background: var(--color-text-primary);
  transition: transform var(--duration-normal) var(--ease-out),
              opacity var(--duration-fast);
}

.nav__hamburger.is-active span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav__hamburger.is-active span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.is-active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile Nav Overlay */
.nav__mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-nav) - 1);
  background-color: var(--color-bg-primary);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-slow) var(--ease-out),
              visibility var(--duration-slow);
}

.nav__mobile-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

.nav__mobile-overlay .nav__link {
  font-size: var(--text-xl);
  color: var(--color-text-primary);
  letter-spacing: 5px;
}

/* ── Hero Layout ── */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 100vh;
  padding: var(--space-2xl) var(--gutter) var(--space-xl);
  overflow: hidden;
}

/* Prism WebGL background */
.hero__prism {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(33, 36, 41, 0.3) 0%,
    rgba(33, 36, 41, 0.6) 50%,
    var(--color-bg-primary) 100%
  );
}

/* Lighter overlay for Prism — let the shader colors breathe */
.hero__overlay--prism {
  background: linear-gradient(
    180deg,
    rgba(33, 36, 41, 0.1) 0%,
    rgba(33, 36, 41, 0.25) 60%,
    var(--color-bg-primary) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero__headline {
  font-size: var(--text-hero);
  font-weight: var(--font-weight-black);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-md);
}

.hero__subhead {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-light);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 680px;
  margin: 0 auto var(--space-lg);
}

/* ── Brand Grid ── */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

/* ── Process / How We Work — Timeline ── */
.process-steps {
  position: relative;
  display: flex;
  flex-direction: column;
  max-width: 1100px;
  margin: 0 auto;
}

/* Vertical timeline line */
.process-timeline {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.06);
  z-index: 1;
  border-radius: 3px;
}

.process-timeline__progress {
  width: 100%;
  height: 0;
  background: linear-gradient(180deg, var(--color-accent-blue), var(--color-accent-violet));
  border-radius: 3px;
  box-shadow: 0 0 12px rgba(147, 83, 255, 0.4);
  will-change: height;
}

/* Gradient overlays to fade line at top/bottom */
.process-overlay {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 80px;
  z-index: 3;
  pointer-events: none;
}

.process-overlay--top {
  top: 0;
  background: linear-gradient(180deg, var(--color-bg-primary) 0%, transparent 100%);
}

.process-overlay--bottom {
  bottom: 0;
  background: linear-gradient(0deg, var(--color-bg-primary) 0%, transparent 100%);
}

/* Each step: 3-column grid — left | indicator | right */
.process-step {
  display: grid;
  grid-template-columns: 1fr 4rem 1fr;
  gap: var(--space-md);
  align-items: center;
  padding: var(--space-lg) 0;
  position: relative;
  z-index: 2;
}

.process-step__left,
.process-step__right {
  min-width: 0;
}

/* Center indicator column */
.process-step__indicator {
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 4;
}

.process-step__dot {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--color-accent-violet);
  color: var(--color-text-primary);
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  font-size: var(--text-lg);
  box-shadow: 0 0 20px rgba(147, 83, 255, 0.35), 0 0 60px rgba(67, 169, 223, 0.12);
  position: relative;
  z-index: 4;
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.process-step:hover .process-step__dot {
  transform: scale(1.1);
  box-shadow: 0 0 25px rgba(147, 83, 255, 0.5), 0 0 80px rgba(67, 169, 223, 0.2);
}

/* Content block */
.process-step__content {
  padding: var(--space-sm) 0;
}

.process-step__title {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
}

.process-step__icon {
  height: 1.2em;
  width: auto;
  flex-shrink: 0;
  opacity: 0.7;
  filter: brightness(0) invert(1);
}

.process-step__desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-sm);
}

.process-step__deliverables {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
}

.process-step__tag {
  font-size: var(--text-xs);
  padding: 4px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: border-color var(--duration-fast);
}

.process-step:hover .process-step__tag {
  border-color: var(--color-border-hover);
}

/* Visual block */
.process-step__visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.process-step__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.process-step:hover .process-step__visual img {
  transform: scale(1.03);
}

/* Align content to the correct side */
.process-step__left {
  text-align: right;
}

.process-step__left .process-step__deliverables {
  justify-content: flex-end;
}

.process-step__right {
  text-align: left;
}

.process-step__right .process-step__deliverables {
  justify-content: flex-start;
}

/* ── Services Grid ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: var(--space-sm);
}

/* ── FAQ Layout ── */
.faq-list {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

/* ── Contact Layout ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.contact-grid .form-group--full {
  grid-column: 1 / -1;
}

/* ── Footer Layout ── */
.footer {
  background-color: #414046;
  background-image: radial-gradient(circle at 100% 100%, #292831, #414046 87%, #4b4a4e);
  padding: 4rem 0;
  box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.2);
}

.footer__top {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  column-gap: 2rem;
  row-gap: 1rem;
  margin-bottom: 3rem;
}

.footer__brand {
  grid-column: span 2;
}

.footer__brand-logo {
  height: 2rem;
  width: auto;
  margin-bottom: 2rem;
  display: block;
}

.footer__heading {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer__col-title {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 5px;
  color: #fff;
  margin-bottom: 1rem;
}

.footer__col a {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.55);
  padding: 0.5rem 0;
  transition: color var(--duration-fast);
}

.footer__col a:hover {
  color: #fff;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1023px) {
  .nav__inner {
    padding: 0 1.5em;
  }

  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  /* No pill on mobile — full-width glass bar */
  .nav--scrolled {
    width: 100%;
    margin: 0;
    border-radius: 0;
    padding: 0.6em 0;
    border: none;
    border-bottom: 1px solid rgba(245, 247, 250, 0.06);
    box-shadow: 0 4px 20px rgba(9, 13, 20, 0.4);
  }

  /* Timeline goes to left side on tablet */
  .process-steps {
    padding-left: 2.5rem;
  }

  .process-timeline {
    left: 2rem;
    transform: none;
  }

  .process-overlay {
    left: 2rem;
    transform: none;
  }

  .process-step {
    grid-template-columns: 3rem 1fr;
    gap: var(--space-sm);
  }

  .process-step__left {
    display: none;
  }

  .process-step__right {
    text-align: left;
  }

  .process-step__right .process-step__deliverables {
    justify-content: flex-start;
  }

  .process-step__indicator {
    grid-row: 1;
  }

  .process-step__dot {
    width: 2.5rem;
    height: 2.5rem;
    font-size: var(--text-sm);
  }

  .footer {
    padding: 3.5rem 0;
  }

  .footer__top {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 3rem;
  }

  .footer__brand {
    grid-column: span 3;
  }
}

@media (max-width: 767px) {
  .brand-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer {
    padding: 2.5rem 0;
  }

  .footer__top {
    grid-template-columns: 1fr;
    row-gap: 3rem;
  }

  .footer__bottom {
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 1rem;
    margin-top: 3rem;
  }
}

@media (max-width: 479px) {
  .brand-grid {
    grid-template-columns: 1fr;
  }
}