/* ============ HEADER ============ */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: 72px;
  display: flex;
  align-items: center;
  padding-inline: var(--gutter);
  border-bottom: 1px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
    backdrop-filter var(--dur) var(--ease);
}

.header.is-scrolled {
  background: rgba(7, 7, 9, 0.72);
  border-bottom-color: var(--line);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.header-inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-node {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 10px 2px var(--signal-glow);
  flex-shrink: 0;
}

.brand-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-variation-settings: "wdth" 108;
  font-size: 1.0625rem;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

.nav-links {
  display: flex;
  gap: var(--sp-3);
}

.nav-link {
  position: relative;
  font-size: var(--fs-small);
  color: var(--text-dim);
  padding: 6px 2px;
  transition: color var(--dur-fast) var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--text);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  transform: scaleX(1);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-small);
  padding: 12px 22px;
  border-radius: var(--radius);
  min-height: 44px;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.btn-arrow {
  transition: transform var(--dur-fast) var(--ease);
}

.btn-primary {
  background: var(--signal);
  color: var(--on-signal);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: 0 0 24px var(--signal-glow);
  transform: translateY(-1px);
}

.btn-primary:hover .btn-arrow,
.btn-primary:focus-visible .btn-arrow {
  transform: translateX(3px);
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--text);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--line-lit);
  background: rgba(184, 255, 0, 0.05);
}

.btn-pill {
  border-radius: 999px;
  padding: 10px 20px;
}

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

/* ---- mobile nav toggle ---- */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}

.nav-toggle-bars {
  position: relative;
  width: 20px;
  height: 14px;
}

.nav-toggle-bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--text);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.nav-toggle-bars span:nth-child(1) {
  top: 0;
}

.nav-toggle-bars span:nth-child(2) {
  top: 6px;
}

.nav-toggle-bars span:nth-child(3) {
  top: 12px;
}

.header.is-open .nav-toggle-bars span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.header.is-open .nav-toggle-bars span:nth-child(2) {
  opacity: 0;
}

.header.is-open .nav-toggle-bars span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-mobile {
  position: fixed;
  inset: 72px 0 0 0;
  z-index: var(--z-overlay);
  background: var(--ink);
  display: flex;
  flex-direction: column;
  padding: var(--sp-5) var(--sp-3);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
}

.header.is-open .nav-mobile {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.nav-mobile-links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-block: auto;
}

.nav-mobile-link {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  font-variation-settings: "wdth" 112;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.header.is-open .nav-mobile-link {
  opacity: 1;
  transform: translateY(0);
}

.nav-mobile-cta {
  margin-top: var(--sp-5);
}

@media (max-width: 900px) {
  .nav-desktop {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: var(--sp-4) var(--sp-4);
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.9;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero-eyebrow {
  margin-bottom: var(--sp-3);
}

.hero h1 {
  margin-bottom: var(--sp-2);
}

.hero-line {
  display: block;
  overflow: hidden;
}

.hero-line span {
  display: block;
  transform: translateY(100%);
  animation: hero-line-in var(--dur-slow) var(--ease) forwards;
}

.hero-line:nth-child(1) span {
  animation-delay: 60ms;
}

.hero-line:nth-child(2) span {
  animation-delay: 160ms;
}

.hero-line:nth-child(3) span {
  animation-delay: 260ms;
}

@keyframes hero-line-in {
  to {
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-line span {
    animation: none;
    transform: translateY(0);
  }
}

.hero-sub {
  color: var(--text-dim);
  font-size: var(--fs-body-lg);
  max-width: 54ch;
  margin-bottom: var(--sp-3);
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-bottom: var(--sp-3);
}

.link-underline {
  position: relative;
  color: var(--text-dim);
  font-size: var(--fs-small);
  padding-bottom: 4px;
}

.link-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0.3);
  transform-origin: left;
  opacity: 0.4;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.link-underline:hover,
.link-underline:focus-visible {
  color: var(--text);
}

.link-underline:hover::after,
.link-underline:focus-visible::after {
  transform: scaleX(1);
  opacity: 1;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-4);
  margin-bottom: var(--sp-2);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

.trust-item svg {
  color: var(--signal);
  flex-shrink: 0;
}

.keyword-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.keyword-strip span {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

@media (max-width: 767px) {
  .hero {
    padding-block: calc(72px + var(--sp-4)) var(--sp-5);
  }
}

/* ============ STATEMENT (İçerik değil sistem…) ============ */
.statement {
  padding-block: clamp(56px, 7vh, 96px);
  padding-inline: var(--gutter);
  text-align: center;
}

.statement-inner {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.statement-line {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 3vw, 2.25rem);
  font-weight: 700;
  font-variation-settings: "wdth" 110;
  line-height: 1.25;
}

.statement-line .negate {
  color: var(--text-faint);
  text-decoration: line-through;
  text-decoration-color: var(--text-faint);
  text-decoration-thickness: 2px;
}

/* ============ MINI CTA BAND ============ */
.mini-cta {
  margin-top: var(--sp-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  flex-wrap: wrap;
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-raised);
}

.mini-cta p {
  font-size: var(--fs-small);
  color: var(--text-dim);
  max-width: 40ch;
}

.mini-cta-actions {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

/* ============ HEADER WHATSAPP ============ */
.whatsapp-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  color: var(--text-dim);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease);
  flex-shrink: 0;
}

.whatsapp-btn:hover,
.whatsapp-btn:focus-visible {
  color: var(--signal);
  border-color: var(--line-lit);
  transform: translateY(-1px);
}

/* ============ FOOTER LEGAL ============ */
.footer-legal {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.footer-legal a {
  font-size: 0.8125rem;
  color: var(--text-faint);
  transition: color var(--dur-fast) var(--ease);
}

.footer-legal a:hover,
.footer-legal a:focus-visible {
  color: var(--text-dim);
}

.footer-contact-direct {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-top: 10px;
}

.footer-contact-direct a {
  font-size: var(--fs-small);
  color: var(--text-dim);
  transition: color var(--dur-fast) var(--ease);
}

.footer-contact-direct a:hover,
.footer-contact-direct a:focus-visible {
  color: var(--signal);
}

/* ============ FORM SUCCESS ============ */
.submit-status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: var(--sp-2);
  font-size: var(--fs-small);
  color: var(--signal);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.submit-status.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.submit-check {
  flex-shrink: 0;
}

.submit-check circle {
  stroke-dasharray: 64;
  stroke-dashoffset: 64;
  transition: stroke-dashoffset 420ms var(--ease);
}

.submit-check path {
  stroke-dasharray: 20;
  stroke-dashoffset: 20;
  transition: stroke-dashoffset 320ms var(--ease) 380ms;
}

.submit-status.is-visible .submit-check circle {
  stroke-dashoffset: 0;
}

.submit-status.is-visible .submit-check path {
  stroke-dashoffset: 0;
}

/* ============ APPROACH (HUMAN x AI) ============ */
.equation-col {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  transition: transform var(--dur-slow) var(--ease);
}

.equation-col.is-in {
  transform: translateX(0);
}

.equation-col--human {
  transform: translateX(24px);
}

.equation-col--ai {
  transform: translateX(-24px);
  text-align: right;
}

.equation-col--ai .eq-list {
  align-items: flex-end;
}

.eq-label {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
}

.equation-col--human .eq-label {
  color: var(--human);
}

.equation-col--ai .eq-label {
  color: var(--signal);
}

.eq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.eq-list li {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--text-dim);
  letter-spacing: 0.03em;
}

.equation-core {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
}

.equation-ring {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  font-variation-settings: "wdth" 110;
  position: relative;
  transition: border-color var(--dur-slow) var(--ease), box-shadow var(--dur-slow) var(--ease);
}

.equation-core.is-in .equation-ring {
  border-color: var(--signal-dim);
  box-shadow: 0 0 24px var(--signal-glow);
}

.eq-connector {
  overflow: visible;
}

.eq-connector path {
  stroke-dasharray: 4 6;
  stroke-dashoffset: 40;
  transition: stroke-dashoffset var(--dur-slow) var(--ease);
}

.equation-core.is-in .eq-connector path {
  stroke-dashoffset: 0;
}

.eq-formula {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-align: center;
  margin-top: var(--sp-2);
}

.eq-formula .human {
  font-weight: 600;
}

.eq-formula .signal {
  font-weight: 600;
}

@media (max-width: 767px) {
  .equation-col--human,
  .equation-col--ai {
    transform: translateY(16px);
  }
  .equation-col--ai {
    text-align: center;
  }
  .equation-col--ai .eq-list {
    align-items: center;
  }
}

/* ============ SYSTEM / POSITIONING ============ */
.positioning-head {
  margin-bottom: var(--sp-6);
}

.strike-line {
  position: relative;
  display: inline-block;
}

.strike-line::after {
  content: "";
  position: absolute;
  left: -2%;
  top: 50%;
  width: 104%;
  height: 3px;
  background: var(--text);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 420ms var(--ease);
}

.positioning-head.is-in .strike-line::after {
  transform: scaleX(1);
}

.reveal-word {
  display: inline-block;
  clip-path: inset(0 0 100% 0);
  transition: clip-path var(--dur-slow) var(--ease);
  transition-delay: 200ms;
  color: var(--signal);
}

.positioning-head.is-in .reveal-word {
  clip-path: inset(0 0 0% 0);
}

.positioning-desc {
  color: var(--text-dim);
  font-size: var(--fs-body-lg);
  max-width: 60ch;
}

.pipeline-wrap {
  margin-top: var(--sp-4);
  position: relative;
}

.pipeline-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.pipeline-ring {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line);
  border: 1px solid var(--line);
  transition: background var(--dur-slow) var(--ease), box-shadow var(--dur-slow) var(--ease),
    border-color var(--dur-slow) var(--ease);
}

.pipeline-node.is-in .pipeline-ring {
  background: var(--signal);
  border-color: var(--signal);
  box-shadow: 0 0 8px var(--signal-glow);
}

.pipeline-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-align: center;
  transition: color var(--dur-slow) var(--ease);
}

.pipeline-node.is-in .pipeline-label {
  color: var(--text);
}

.pipeline-connector {
  flex: 1;
  height: 1px;
  background: var(--line);
  margin-top: 5px;
  position: relative;
  overflow: hidden;
}

.pipeline-connector::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-slow) var(--ease);
}

.pipeline-connector.is-in::after {
  transform: scaleX(1);
}

.pipeline-loop-note {
  margin-top: var(--sp-3);
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.03em;
}

.pipeline-loop-note svg {
  color: var(--signal);
  flex-shrink: 0;
}

/* ============ SERVICES ============ */
.service-card {
  position: relative;
  background: var(--ink-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--sp-3);
  padding-top: var(--sp-3);
  text-align: left;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
  width: 100%;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--cat-color);
  opacity: 0.4;
  transition: opacity var(--dur) var(--ease);
}

.service-card[aria-expanded="true"]::before,
.service-card:hover::before,
.service-card:focus-visible::before {
  opacity: 1;
}

.service-card[aria-expanded="true"],
.service-card:hover,
.service-card:focus-visible {
  border-color: color-mix(in srgb, var(--cat-color) 45%, var(--line));
}

.service-card:hover,
.service-card:focus-visible {
  transform: translateY(-5px);
  box-shadow: 0 12px 28px -12px color-mix(in srgb, var(--cat-color) 35%, transparent);
}

.service-card:focus-visible {
  outline-offset: 4px;
}

.service-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
}

.service-card-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cat-color);
}

.service-disclosure {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.service-card:hover .service-disclosure,
.service-card:focus-visible .service-disclosure {
  transform: rotate(90deg);
  border-color: var(--cat-color);
}

.service-card[aria-expanded="true"] .service-disclosure {
  transform: rotate(45deg);
  border-color: var(--cat-color);
}

.service-card h3 {
  margin-top: var(--sp-2);
  margin-bottom: 0;
}

.service-card-body {
  display: none;
}

.service-card[aria-expanded="true"] .service-card-body {
  display: block;
  animation: faq-fade-in var(--dur) var(--ease);
}

.service-card-body-inner {
  overflow: hidden;
}

.service-card-body p {
  padding-top: var(--sp-2);
  color: var(--text-dim);
  font-size: var(--fs-small);
  max-width: none;
}

/* ============ NEDEN DD (difference cards) ============ */
.diff-card {
  position: relative;
  background: var(--ink-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--sp-4);
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  transition: border-color var(--dur-slow) var(--ease);
}

.diff-card.is-in {
  border-color: color-mix(in srgb, var(--diff-color, var(--signal)) 40%, var(--line));
}

.diff-metric {
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--diff-color, var(--signal));
}

.diff-card--offset-a {
  margin-left: 0;
}

.diff-card--offset-b {
  margin-left: 15%;
}

@media (max-width: 767px) {
  .diff-card--offset-a,
  .diff-card--offset-b {
    margin-left: 0;
    max-width: none;
  }
}

/* ============ PROCESS ============ */
.process-track {
  position: relative;
  height: 1px;
  background: var(--line);
  margin-bottom: var(--sp-4);
  overflow: hidden;
}

.process-track::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--signal);
  transform: scaleX(var(--surec-progress, 0));
  transform-origin: left;
}

.process-step {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.process-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
  transition: color var(--dur-slow) var(--ease);
}

.process-step.is-in .process-num {
  color: var(--signal);
}

.process-step p {
  color: var(--text-dim);
  font-size: var(--fs-small);
}

@media (max-width: 767px) {
  .process-track {
    display: none;
  }
}

/* ============ MANIFESTO ============ */
.manifesto {
  text-align: center;
  padding-inline: var(--gutter);
}

.manifesto-inner {
  max-width: 780px;
  margin-inline: auto;
}

.manifesto h2 {
  margin-bottom: var(--sp-5);
}

.manifesto-triad {
  display: flex;
  justify-content: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: var(--sp-6);
}

.manifesto-triad span:not(:last-child) {
  padding-right: var(--sp-3);
  border-right: 1px solid var(--line);
}

.manifesto-mark {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* ============ FAQ ============ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 820px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-raised);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}

.faq-item:has(.faq-question[aria-expanded="true"]) {
  border-color: var(--line-lit);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-3);
  text-align: left;
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--text);
}

.faq-question:hover,
.faq-question:focus-visible {
  color: var(--signal);
}

.faq-icon {
  position: relative;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--line);
  flex-shrink: 0;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
  transition: transform var(--dur) var(--ease);
}

.faq-icon::before {
  width: 10px;
  height: 1.4px;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  width: 1.4px;
  height: 10px;
  transform: translate(-50%, -50%);
}

.faq-question[aria-expanded="true"] .faq-icon {
  border-color: var(--signal);
  color: var(--signal);
  transform: rotate(90deg);
}

.faq-question[aria-expanded="true"] .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.faq-answer {
  display: none;
}

.faq-question[aria-expanded="true"] + .faq-answer {
  display: block;
  animation: faq-fade-in var(--dur) var(--ease);
}

@keyframes faq-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.faq-answer-inner {
  overflow: hidden;
}

.faq-answer-inner p {
  padding: 0 var(--sp-3) var(--sp-3);
  color: var(--text-dim);
  max-width: none;
}

.faq-list-plain {
  padding: 0 var(--sp-3) var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.faq-list-plain li {
  color: var(--text-dim);
  font-size: var(--fs-small);
}

.faq-list-plain strong {
  color: var(--text);
}

/* ============ DD SİSTEMLERİ ============ */
.pill-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--sys-accent);
  font-size: var(--fs-small);
  font-weight: 600;
  margin-bottom: var(--sp-3);
}

.sys-head {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--sp-6);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.sys-head h2 {
  margin-bottom: var(--sp-2);
}

.sys-accent {
  color: var(--sys-accent);
}

.sys-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
}

.sys-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--sp-4);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--ink-raised);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.sys-card--grow {
  background: linear-gradient(165deg, rgba(52, 211, 153, 0.12), rgba(16, 16, 18, 0) 55%), var(--ink-raised);
}

.sys-card--pro {
  background: linear-gradient(165deg, rgba(129, 140, 248, 0.16), rgba(16, 16, 18, 0) 55%), var(--ink-raised);
}

.sys-card--max {
  background: linear-gradient(165deg, rgba(236, 72, 153, 0.14), rgba(16, 16, 18, 0) 55%), var(--ink-raised);
}

.sys-card:hover,
.sys-card:focus-within {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.6);
}

.sys-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-3);
  flex-shrink: 0;
}

.sys-card--grow .sys-icon {
  background: linear-gradient(135deg, var(--sys-grow-1), var(--sys-grow-2));
}

.sys-card--pro .sys-icon {
  background: linear-gradient(135deg, var(--sys-pro-1), var(--sys-pro-2));
}

.sys-card--max .sys-icon {
  background: linear-gradient(135deg, var(--sys-max-1), var(--sys-max-2));
}

.sys-card h3 {
  font-size: 1.375rem;
  margin-bottom: 6px;
}

.sys-subtitle {
  color: var(--sys-accent);
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: var(--sp-2);
  max-width: none;
}

.sys-desc {
  color: var(--text-dim);
  font-size: var(--fs-small);
  max-width: none;
  margin-bottom: var(--sp-3);
  flex-grow: 1;
}

.sys-disclosure {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-weight: 600;
  font-size: var(--fs-small);
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.sys-disclosure:hover,
.sys-disclosure:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
}

.sys-chevron {
  transition: transform var(--dur) var(--ease);
  flex-shrink: 0;
}

.sys-disclosure[aria-expanded="true"] .sys-chevron {
  transform: rotate(180deg);
}

.sys-panel {
  display: none;
}

.sys-disclosure[aria-expanded="true"] + .sys-panel {
  display: block;
  animation: faq-fade-in var(--dur) var(--ease);
}

.sys-panel-inner {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: var(--sp-2);
  padding: var(--sp-2) var(--sp-2);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
}

.sys-panel-icon {
  color: var(--sys-grow-1);
  flex-shrink: 0;
  margin-top: 2px;
}

.sys-panel-inner p {
  color: var(--text-dim);
  font-size: 0.875rem;
  max-width: none;
}

.sys-cta-wrap {
  display: flex;
  justify-content: center;
  margin-top: var(--sp-5);
}

.btn-gradient {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--sys-pro-1), var(--sys-pro-2));
  color: #fff;
  font-weight: 700;
  font-size: var(--fs-small);
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.btn-gradient:hover,
.btn-gradient:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -12px rgba(129, 140, 248, 0.5);
}

@media (max-width: 1023px) {
  .sys-grid {
    grid-template-columns: 1fr;
  }
}

/* ============ CONTACT ============ */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.info-row {
  display: flex;
  gap: var(--sp-2);
  align-items: flex-start;
}

.info-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--signal);
  margin-top: 2px;
}

.info-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 2px;
}

.info-value {
  font-size: var(--fs-small);
  color: var(--text);
  line-height: 1.5;
}

.contact-actions {
  display: flex;
  gap: var(--sp-2);
  margin-top: var(--sp-2);
  flex-wrap: wrap;
}

.contact-actions .btn {
  flex: 1 1 auto;
  justify-content: center;
}

.form-card {
  background: var(--ink-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--sp-4);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--sp-3);
  min-width: 0;
}

.field label {
  font-size: var(--fs-small);
  font-weight: 600;
}

.field .req {
  color: var(--signal);
}

.field input,
.field textarea {
  width: 100%;
  min-width: 0;
  background: var(--ink-raised-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  padding: 12px 14px;
  min-height: 48px;
  transition: border-color var(--dur-fast) var(--ease);
}

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

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-faint);
}

.field input:focus-visible,
.field textarea:focus-visible {
  border-color: var(--signal);
  outline-offset: 0;
}

.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: #fb7185;
}

.field-error {
  font-size: 0.8125rem;
  color: #fb7185;
  display: none;
}

.field-error.is-visible {
  display: block;
}

.field-group legend {
  font-size: var(--fs-small);
  font-weight: 600;
  padding: 0;
  margin-bottom: 10px;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  min-width: 0;
}

.checkbox-item input {
  width: 20px;
  height: 20px;
  accent-color: var(--signal);
  flex-shrink: 0;
}

.checkbox-item label {
  font-size: var(--fs-small);
  color: var(--text-dim);
}

.submit-row {
  margin-top: var(--sp-2);
}

.submit-status {
  margin-top: var(--sp-2);
  font-size: var(--fs-small);
  color: var(--signal);
  display: none;
}

.submit-status.is-visible {
  display: block;
}

.submit-status[role="alert"] {
  color: #fb7185;
}

@media (max-width: 600px) {
  .form-row,
  .checkbox-grid {
    grid-template-columns: 1fr;
  }
}

/* ============ FOOTER ============ */
.footer {
  border-top: 1px solid var(--line);
  padding: var(--sp-5) var(--gutter);
}

.footer-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.footer-tagline {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin-top: 8px;
}

.footer-tagline .signal {
  font-weight: 600;
}

.footer-nav {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: var(--fs-small);
  color: var(--text-dim);
  transition: color var(--dur-fast) var(--ease);
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--text);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--sp-3);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--line);
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-faint);
  margin-bottom: 8px;
}

.footer-social {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

.footer-social a {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding-inline: 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-dim);
  font-size: var(--fs-small);
  font-weight: 500;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease);
}

.footer-social a:hover,
.footer-social a:focus-visible {
  color: var(--signal);
  border-color: var(--line-lit);
  transform: translateY(-2px);
}