/*
  ARCLO V2 — COMPONENTS
  Reusable pieces: buttons, badges, cards, placeholders, accordion, stats.
*/

/* ---------------------------------------------------------------
   Buttons
--------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.9rem 1.75rem;
  font-size: var(--text-small);
  font-weight: 600;
  letter-spacing: var(--tracking-normal);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: transform var(--duration-fast) var(--ease-spring),
    background-color var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out);
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--navy-900);
  color: var(--canvas);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background: var(--navy-800);
  box-shadow: var(--shadow-md);
}

.btn--on-dark {
  background: var(--canvas);
  color: var(--navy-900);
}

.btn--on-dark:hover {
  background: var(--white);
  box-shadow: var(--shadow-lg);
}

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

.btn--ghost:hover {
  border-color: var(--color-ink);
  background: rgba(8, 31, 59, 0.04);
}

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

.btn--ghost-on-dark:hover {
  border-color: var(--color-on-dark);
  background: rgba(248, 247, 242, 0.06);
}

.btn--lg {
  padding: 1.15rem 2.25rem;
  font-size: var(--text-body);
}

.btn--link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-ink);
  padding-bottom: 2px;
  border-bottom: 1px solid var(--color-border-strong);
  border-radius: 0;
  transition: border-color var(--duration-fast) var(--ease-out),
    gap var(--duration-fast) var(--ease-spring);
}

.btn--link:hover {
  border-color: var(--color-ink);
  gap: var(--space-3);
}

.btn--link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--duration-fast) var(--ease-spring);
}

.btn--link:hover svg {
  transform: translateX(2px);
}

.btn--disabled,
.btn[aria-disabled="true"] {
  opacity: 0.4;
  pointer-events: none;
}

/* ---------------------------------------------------------------
   Badges / tags
--------------------------------------------------------------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-micro);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.6rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.tag--result {
  color: var(--navy-900);
  border-color: var(--navy-900);
  background: var(--fog-100);
}

.tag--pending {
  color: var(--navy-700);
  border-color: var(--color-border-strong);
  border-style: dashed;
}

/* ---------------------------------------------------------------
   Numbered index (system, how-it-works, why-arclo)
--------------------------------------------------------------- */

.index-figure {
  font-family: var(--font-display);
  font-size: var(--text-numeral);
  font-weight: 600;
  line-height: 1;
  color: var(--color-border-strong);
  -webkit-text-stroke: 1px var(--color-ink-faint);
}

.section--dark .index-figure {
  color: transparent;
  -webkit-text-stroke: 1px var(--color-border-on-dark);
}

/* ---------------------------------------------------------------
   Logo wall / tile grid (reused for "Businesses We Serve" categories,
   and for any future client-logo strip)
--------------------------------------------------------------- */

.logo-wall {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.logo-tile {
  background: var(--color-bg);
  padding: var(--space-6) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 108px;
  text-align: center;
  transition: background-color var(--duration-base) var(--ease-out);
}

.logo-tile:hover {
  background: var(--color-bg-alt);
}

.logo-tile__name {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: var(--tracking-snug);
  line-height: var(--leading-snug);
}

/* ---------------------------------------------------------------
   Placeholder image frame — "blueprint" style
   Used everywhere real photography/screenshots are pending.
--------------------------------------------------------------- */

.media-frame {
  position: relative;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(
      135deg,
      transparent 0,
      transparent calc(50% - 0.5px),
      var(--color-border) calc(50% - 0.5px),
      var(--color-border) calc(50% + 0.5px),
      transparent calc(50% + 0.5px)
    ),
    var(--fog-100);
  background-size: 28px 28px, cover;
  overflow: hidden;
  aspect-ratio: var(--frame-ratio, 16 / 10);
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  pointer-events: none;
}

.media-frame__label {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
  padding: var(--space-5);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.media-frame__label .tag {
  margin-bottom: var(--space-1);
}

.media-frame__label strong {
  font-family: var(--font-display);
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-ink);
}

.media-frame__label span {
  font-size: var(--text-micro);
  color: var(--color-ink-muted);
}

.media-frame--mobile {
  --frame-ratio: 9 / 17;
  max-width: 220px;
}

/* Standalone phone mockup placeholder (service detail page heroes),
   larger than .media-frame--mobile which is sized for the small
   overlapping thumbnail on a project/hero showcase. */
.media-frame--phone {
  --frame-ratio: 9 / 16;
  max-width: 340px;
  margin-inline: auto;
}

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

/* ---------------------------------------------------------------
   Service demo frame (Services section)
   Extends .media-frame — same blueprint pattern, border and radius,
   just larger and slightly elevated since these stand in for real
   product GIFs/video rather than a photo. Swap the placeholder
   .media-frame__label out for a real <img>/<video>/<canvas> later;
   the .service-demo / .service-demo--<slug> / data-demo hooks are
   there so that swap doesn't require touching any CSS.
--------------------------------------------------------------- */

.service-demo {
  --frame-ratio: 4 / 3;
  box-shadow: var(--shadow-md);
}

/* ---------------------------------------------------------------
   Service benefit list (Services section)
--------------------------------------------------------------- */

.service-benefits {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.service-benefits__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  color: var(--color-ink);
}

.service-benefits li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.service-benefits strong {
  display: block;
  font-size: var(--text-body);
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 2px;
}

.service-benefits span {
  font-size: var(--text-small);
  color: var(--color-ink-soft);
}

/* ---------------------------------------------------------------
   Project showcase card
--------------------------------------------------------------- */

.project {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-8);
  align-items: center;
  padding-block: var(--space-8);
}

.project:not(:last-child) {
  border-bottom: 1px solid var(--color-border);
}

.project__media {
  position: relative;
}

.project__media .media-frame {
  transition: transform var(--duration-slow) var(--ease-spring);
}

.project:hover .project__media .media-frame {
  transform: scale(1.015);
}

.project__mobile-frame {
  position: absolute;
  bottom: -24px;
  right: -24px;
  width: 34%;
  box-shadow: var(--shadow-lg);
  background: var(--color-bg);
  border-radius: var(--radius-md);
}

.project__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.project__title {
  font-size: var(--text-h2);
  margin-bottom: var(--space-3);
}

.project__desc {
  color: var(--color-ink-soft);
  max-width: 42ch;
  margin-bottom: var(--space-5);
}

.project__result {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  font-size: var(--text-small);
}

.project__links {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .project {
    grid-template-columns: 1fr;
  }

  .project__mobile-frame {
    display: none;
  }
}

.project--reverse .project__media {
  order: 2;
}

@media (max-width: 900px) {
  .project--reverse .project__media {
    order: 0;
  }
}

/* ---------------------------------------------------------------
   Stat block (results section)
--------------------------------------------------------------- */

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

.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-stat);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: 1;
}

.stat__desc {
  max-width: 34ch;
  color: var(--color-ink-soft);
}

.stat__caption {
  font-size: var(--text-micro);
  color: var(--color-ink-muted);
  max-width: 34ch;
}

.section--dark .stat__desc {
  color: var(--color-on-dark-soft);
}

.section--dark .stat__caption {
  color: var(--color-on-dark-muted);
}

/* ---------------------------------------------------------------
   Testimonial card
--------------------------------------------------------------- */

.testimonial {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  height: 100%;
}

.testimonial__quote {
  font-family: var(--font-display);
  font-size: var(--text-lead);
  font-weight: 500;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-snug);
  flex-grow: 1;
}

.testimonial__author {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: var(--text-small);
}

.testimonial__author strong {
  color: var(--color-ink);
}

.testimonial__author span {
  color: var(--color-ink-muted);
}

.testimonial--pending {
  border-style: dashed;
  border-color: var(--color-border-strong);
  background: var(--color-bg-alt);
}

.testimonial--pending .testimonial__quote {
  font-family: var(--font-body);
  font-style: italic;
  font-weight: 400;
  font-size: var(--text-body);
  color: var(--color-ink-muted);
}

/* Mobile only: the quotes run long, and at the desktop --text-lead
   size each card wraps into 10+ lines and towers over the viewport.
   Smaller type + tighter padding keeps the card readable but far
   shorter, without touching the desktop/tablet card at all. */
@media (max-width: 560px) {
  .testimonial {
    padding: var(--space-5);
    gap: var(--space-3);
  }

  .testimonial__quote {
    font-size: 0.875rem;
    line-height: 1.45;
  }

  .testimonial__author {
    font-size: var(--text-micro);
  }
}

/* ---------------------------------------------------------------
   FAQ accordion (native details/summary — no JS required)
--------------------------------------------------------------- */

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding-block: var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 500;
  color: var(--color-ink);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item__icon {
  flex-shrink: 0;
  position: relative;
  width: 20px;
  height: 20px;
}

.faq-item__icon::before,
.faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--color-ink);
  transition: transform var(--duration-base) var(--ease-spring),
    opacity var(--duration-base) var(--ease-spring);
}

.faq-item__icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1.5px;
  transform: translateY(-50%);
}

.faq-item__icon::after {
  left: 50%;
  top: 0;
  width: 1.5px;
  height: 100%;
  transform: translateX(-50%);
}

.faq-item[open] .faq-item__icon::after {
  opacity: 0;
  transform: translateX(-50%) rotate(90deg);
}

.faq-item__answer {
  padding-bottom: var(--space-6);
  max-width: 62ch;
  color: var(--color-ink-soft);
}

.faq-item__answer p + p {
  margin-top: var(--space-4);
}

/* ---------------------------------------------------------------
   Founder card
--------------------------------------------------------------- */

.founder-photo {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  width: 100%;
  display: block;
  object-fit: cover;
}

/* ---------------------------------------------------------------
   Grain overlay for cinematic dark sections
--------------------------------------------------------------- */

.grain {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  mix-blend-mode: overlay;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='matrix' values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.5 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
}

/* ---------------------------------------------------------------
   Review row (Google / Facebook star badges)
   Stars render filled gold (a recognized rating convention, not a
   brand accent) on every background. Platform label switches to
   light text on dark sections; stars stay gold throughout.
--------------------------------------------------------------- */

.review-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.review-row--center {
  justify-content: center;
}

.review-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.review-badge__platform {
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-ink);
}

.review-badge__stars {
  display: inline-flex;
  gap: 2px;
  color: var(--star-gold);
}

.review-badge__stars svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  stroke: currentColor;
}

.section--dark .review-badge__platform,
.section--deep .review-badge__platform {
  color: var(--color-on-dark);
}

/* ---------------------------------------------------------------
   Avatar stack (overlapping client-photo placeholders)
--------------------------------------------------------------- */

.avatar-stack {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.avatar-stack--center {
  justify-content: center;
}

.avatar-stack__photos {
  display: flex;
}

.avatar-placeholder {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: var(--radius-full);
  background: var(--fog-100);
  border: 2px solid var(--color-bg);
  margin-left: -10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink-faint);
}

.avatar-placeholder:first-child {
  margin-left: 0;
}

.avatar-placeholder svg {
  width: 16px;
  height: 16px;
}

/* Real client photo instead of the generic silhouette icon: fills
   the same 36px circle, cropped to cover. */
.avatar-placeholder--photo {
  background: var(--color-border);
  overflow: hidden;
}

.avatar-placeholder--photo img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
}

.avatar-stack__label {
  font-size: var(--text-micro);
  color: var(--color-ink-muted);
}

.section--dark .avatar-placeholder,
.section--deep .avatar-placeholder {
  background: rgba(248, 247, 242, 0.12);
  border-color: var(--color-bg-dark-deep);
  color: var(--color-on-dark-muted);
}

.section--dark .avatar-stack__label,
.section--deep .avatar-stack__label {
  color: var(--color-on-dark-muted);
}

/* ---------------------------------------------------------------
   Testimonial carousel
--------------------------------------------------------------- */

.testimonial-carousel__viewport {
  overflow: hidden;
}

.testimonial-carousel__track {
  display: flex;
  gap: var(--space-6);
  transition: transform var(--duration-slow) var(--ease-spring);
  will-change: transform;
}

.testimonial-slide {
  flex: 0 0 calc(50% - var(--space-3));
  min-width: 0;
}

@media (max-width: 700px) {
  .testimonial-slide {
    flex-basis: 100%;
  }
}

.testimonial-carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  margin-top: var(--space-7);
}

.carousel-arrow {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink);
  flex-shrink: 0;
  transition: background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
}

.carousel-arrow:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-ink);
}

.carousel-arrow svg {
  width: 16px;
  height: 16px;
}

.testimonial-carousel__dots {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-border-strong);
  transition: background-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-spring);
}

.carousel-dot.is-active {
  background: var(--color-ink);
  transform: scale(1.3);
}

@media (prefers-reduced-motion: reduce) {
  .testimonial-carousel__track {
    transition: none;
  }
}