/* Client logos - pixel perfect, per-logo tuned heights */
.logo-cell {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-cell img {
  width: auto;
  height: auto;
  object-fit: contain;
  transition:
    opacity 0.25s ease,
    filter 0.25s ease;
}
/* Default: greyscale faded */
.logo-mark {
  filter: grayscale(1) brightness(0.55) contrast(1.05);
  opacity: 0.7;
}
.logo-mark:hover {
  opacity: 1;
  filter: grayscale(0);
}
/* Beşiktaş = white-on-transparent, invert for visibility, restore color on hover */
.logo-light {
  filter: invert(1) grayscale(1) brightness(0.5) contrast(1.1);
  opacity: 0.75;
}
.logo-light:hover {
  opacity: 1;
  filter: none;
}
/* Per-logo tuned visual sizes (so they appear similar weight) */
.logo-cell .l-besiktas {
  max-height: 48px;
  max-width: 130px;
}
.logo-cell .l-pia {
  max-height: 48px;
  max-width: 130px;
}
.logo-cell .l-kolayik {
  max-height: 30px;
  max-width: 130px;
}
.logo-cell .l-pegasus {
  max-height: 22px;
  max-width: 130px;
}
.logo-cell .l-akbank {
  max-height: 24px;
  max-width: 130px;
}
.logo-cell .l-eckoh {
  max-height: 36px;
  max-width: 130px;
}
.logo-cell .l-syntec {
  max-height: 26px;
  max-width: 130px;
}
@media (max-width: 768px) {
  .logo-cell .l-syntec {
    display: none;
  }
  .logo-cell {
    height: 40px;
  }
}
/* Pricing toggle */
.toggle-track {
  width: 56px;
  height: 28px;
  background: #0b0b0c;
  border-radius: 999px;
  position: relative;
  cursor: pointer;
  transition: background 0.3s ease;
}
.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  background: #a3e635;
  border-radius: 999px;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.toggle-track.yearly .toggle-thumb {
  transform: translateX(28px);
}
/* Cards */
.card {
  background: #ffffff;
  border: 1px solid #ececec;
  border-radius: 22px;
  transition:
    transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1),
    box-shadow 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
  will-change: transform;
}
.card-hover:hover {
  transform: translate3d(0, -3px, 0);
  box-shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.18);
}
/* Pill button hover */
.btn-dark {
  background: #0b0b0c;
  color: #fff;
  transition:
    transform 0.25s ease,
    background 0.25s ease;
}
.btn-dark:hover {
  background: #1f1f22;
  transform: translateY(-1px);
}
.btn-lime {
  background: #c8f062;
  color: #0b0b0c;
  transition:
    transform 0.25s ease,
    filter 0.25s ease;
}
.btn-lime:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}
.btn-light {
  background: #fff;
  color: #0b0b0c;
  border: 1px solid #e6e6e6;
  transition:
    transform 0.25s ease,
    background 0.25s ease;
}
.btn-light:hover {
  background: #fafafa;
  transform: translateY(-1px);
}
/* Retention card: animated bar + arc + 60fps hover (compositor-only) */
.retention-card {
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
  transform: translate3d(0, 0, 0);
}
.retention-card:hover {
  transform: translate3d(0, -4px, 0);
  box-shadow: none;
}
.retention-bar {
  transition:
    width 1.6s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
  transform-origin: left center;
}
.retention-card:hover .retention-bar {
  transform: scaleX(1.02);
}
/* Shine sweep across the progress bar on hover (transform-only) */
.retention-bar-track {
  position: relative;
}
.retention-bar-track::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.55) 50%,
    transparent 100%
  );
  transform: translate3d(-110%, 0, 0);
  opacity: 0;
  pointer-events: none;
  will-change: transform, opacity;
}
.retention-card:hover .retention-bar-track::after {
  animation: retention-shine 1.1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
@keyframes retention-shine {
  0% {
    transform: translate3d(-110%, 0, 0);
    opacity: 0;
  }
  20% {
    opacity: 1;
  }
  100% {
    transform: translate3d(110%, 0, 0);
    opacity: 0;
  }
}
/* Big number gentle pop */
.retention-number {
  display: inline-block;
  transition: transform 0.5s cubic-bezier(0.34, 1.4, 0.64, 1);
  transform-origin: left bottom;
  will-change: transform;
}
.retention-card:hover .retention-number {
  transform: translate3d(0, -1px, 0) scale(1.035);
}
/* Delta pill pop */
.retention-pill {
  transition: transform 0.45s cubic-bezier(0.34, 1.4, 0.64, 1);
  will-change: transform;
}
.retention-card:hover .retention-pill {
  transform: translate3d(0, -1px, 0) scale(1.06);
}
.retention-pill svg {
  transition: transform 0.5s cubic-bezier(0.34, 1.4, 0.64, 1);
}
.retention-card:hover .retention-pill svg {
  transform: translate3d(0, -1px, 0);
}
.retention-card .retention-arc circle {
  transition: stroke-dashoffset 1.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.retention-card.is-visible .retention-arc circle {
  /* 263.9 * (1 - 0.98) ≈ 5.28 */
  stroke-dashoffset: 5.28;
}

/* Folder card: 3D opening on hover, no shadow */
.folder-card {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.folder-card:hover {
  box-shadow: none;
}
.folder-3d {
  position: relative;
  width: 64px;
  height: 48px;
  perspective: 240px;
  transform-style: preserve-3d;
}
.folder-tab {
  position: absolute;
  top: 0;
  left: 2px;
  width: 26px;
  height: 10px;
  background: #3b82f6;
  border-radius: 4px 6px 0 0;
}
.folder-back {
  position: absolute;
  inset: 8px 0 0 0;
  background: #3b82f6;
  border-radius: 4px;
}
.folder-paper {
  position: absolute;
  left: 8px;
  right: 8px;
  top: 14px;
  height: 26px;
  background: #ffffff;
  border-radius: 2px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06) inset;
  transform: translateY(0);
  /* Closing: smooth, no overshoot (prevents flash) */
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}
.folder-paper::before,
.folder-paper::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 8px;
  height: 2px;
  background: rgba(14, 14, 16, 0.18);
  border-radius: 1px;
}
.folder-paper::before {
  top: 6px;
}
.folder-paper::after {
  top: 12px;
  right: 14px;
}
.folder-front {
  position: absolute;
  inset: 12px 0 0 0;
  background: #60a5fa;
  border-radius: 4px;
  transform-origin: 50% 100%;
  transform: rotateX(0deg);
  /* Closing: smooth, no overshoot (prevents white flash glitch) */
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  backface-visibility: hidden;
}
.folder-card:hover .folder-front {
  transform: rotateX(-58deg);
  /* Opening: bouncy overshoot */
  transition: transform 0.5s cubic-bezier(0.34, 1.4, 0.64, 1);
}
.folder-card:hover .folder-paper {
  transform: translateY(-9px);
  transition: transform 0.5s cubic-bezier(0.34, 1.4, 0.64, 1);
}
@media (prefers-reduced-motion: reduce) {
  .retention-card,
  .retention-bar,
  .retention-number,
  .retention-pill,
  .retention-pill svg,
  .retention-card .retention-arc circle,
  .folder-front,
  .folder-paper {
    transition: none !important;
  }
  .retention-card:hover .retention-bar-track::after {
    animation: none !important;
  }
}
/* ===== Tech-stack card: wave-bloom hover ===== */
.tech-stack-card {
  transition: transform 0.5s cubic-bezier(0.34, 1.4, 0.64, 1);
}
.tech-stack-card:hover {
  transform: translateY(-2px);
}

.tech-tile {
  position: relative;
  will-change: transform;
  transform: translate3d(0, 0, 0);
  transition:
    transform 0.55s cubic-bezier(0.34, 1.4, 0.64, 1),
    box-shadow 0.45s ease,
    border-color 0.45s ease;
}
.tech-tile::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(
    circle at 50% 50%,
    var(--glow, #635bff) 0%,
    transparent 70%
  );
  opacity: 0;
  filter: blur(6px);
  transform: scale(0.7);
  transition:
    opacity 0.5s ease,
    transform 0.6s cubic-bezier(0.34, 1.4, 0.64, 1);
  z-index: -1;
  pointer-events: none;
}
.tech-tile > svg {
  transition: transform 0.55s cubic-bezier(0.34, 1.4, 0.64, 1);
  will-change: transform;
}
.tech-stack-card:hover .tech-tile {
  transform: translate3d(0, -6px, 0) scale(1.06);
  border-color: color-mix(in srgb, var(--glow) 30%, #ffffff);
  box-shadow: 0 6px 12px -8px color-mix(in srgb, var(--glow) 30%, transparent);
}
.tech-stack-card:hover .tech-tile > svg {
  transform: rotate(-6deg) scale(1.08);
}
.tech-stack-card:hover .tech-tile::before {
  opacity: 0.22;
  transform: scale(1);
}
/* staggered wave: row-major delay */
.tech-stack-card .tech-tile:nth-child(1) {
  transition-delay: 0ms;
}
.tech-stack-card .tech-tile:nth-child(2) {
  transition-delay: 50ms;
}
.tech-stack-card .tech-tile:nth-child(3) {
  transition-delay: 100ms;
}
.tech-stack-card .tech-tile:nth-child(4) {
  transition-delay: 150ms;
}
.tech-stack-card .tech-tile:nth-child(5) {
  transition-delay: 200ms;
}
.tech-stack-card .tech-tile:nth-child(6) {
  transition-delay: 250ms;
}
.tech-stack-card:not(:hover) .tech-tile {
  transition-delay: 0ms;
}

/* heading underline sweep */
.tech-heading {
  position: relative;
  display: inline-block;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-size: 0% 1.5px;
  background-position: 0 100%;
  transition: background-size 0.6s cubic-bezier(0.65, 0, 0.35, 1);
}
.tech-stack-card:hover .tech-heading {
  background-size: 100% 1.5px;
}
/* ===== Decade card: odometer roll + depth press ===== */
.decade-card {
  transition: transform 0.6s cubic-bezier(0.34, 1.4, 0.64, 1);
}
.decade-card:hover {
  transform: translateY(-2px);
}

.decade-num {
  display: inline-flex;
  align-items: baseline;
  position: relative;
  overflow: hidden;
  width: max-content;
  max-width: 100%;
}
.decade-digit {
  display: inline-block;
  will-change: transform;
  transition: transform 0.65s cubic-bezier(0.34, 1.4, 0.64, 1);
}
.decade-card:hover .decade-d1 {
  transform: translateY(-3px) rotate(-3deg);
}
.decade-card:hover .decade-d0 {
  transform: translateY(-3px) rotate(3deg);
  transition-delay: 60ms;
}
.decade-card:hover .decade-plus {
  transform: translateY(-6px) scale(1.1) rotate(8deg);
  transition-delay: 320ms;
}
.decade-plus {
  display: inline-block;
  will-change: transform;
  transition: transform 0.6s cubic-bezier(0.34, 1.5, 0.64, 1);
}

/* odometer y -> m -> w -> d -> y */
.decade-roll {
  display: inline-block;
  height: 1em;
  line-height: 1;
  overflow: hidden;
  vertical-align: baseline;
  position: relative;
}
.decade-roll-track {
  display: flex;
  flex-direction: column;
  will-change: transform;
  transform: translate3d(0, 0, 0);
  transition: transform 1.1s cubic-bezier(0.65, 0, 0.35, 1);
}
.decade-unit {
  display: block;
  height: 1em;
  line-height: 1;
}
.decade-card:hover .decade-roll-track {
  transform: translate3d(0, -4em, 0);
}

.decade-caption {
  will-change: transform, opacity;
  transition:
    transform 0.55s cubic-bezier(0.34, 1.4, 0.64, 1) 0.15s,
    color 0.45s ease 0.15s;
}
.decade-card:hover .decade-caption {
  transform: translateY(-3px);
  color: rgba(0, 0, 0, 0.75);
}

/* shimmer sweep across the number on hover */
.decade-num::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    transparent 30%,
    rgba(0, 0, 0, 0.06) 50%,
    transparent 70%
  );
  transform: translateX(-120%);
  pointer-events: none;
  opacity: 0;
  transition:
    transform 0.9s cubic-bezier(0.65, 0, 0.35, 1),
    opacity 0.3s ease;
}
.decade-card:hover .decade-num::after {
  transform: translateX(120%);
  opacity: 1;
  transition:
    transform 1s cubic-bezier(0.65, 0, 0.35, 1) 0.1s,
    opacity 0.3s ease;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
@media (prefers-reduced-motion: reduce) {
  .tech-tile,
  .tech-tile > svg,
  .tech-tile::before,
  .tech-heading,
  .decade-digit,
  .decade-plus,
  .decade-roll-track,
  .decade-caption,
  .decade-num::after,
  .decade-card,
  .tech-stack-card {
    transition: none !important;
    transform: none !important;
  }
}