/* styles.css - Specimen Grid yonu. Tum degerler tokens.css'ten. */

/* ---------- atmosferik zemin (duz solid degil) ---------- */
body {
  background-color: var(--c-bg);
  background-image:
    radial-gradient(120% 80% at 85% -10%, rgba(199,82,42,.05), transparent 60%),
    radial-gradient(90% 70% at 0% 0%, rgba(26,26,23,.035), transparent 55%);
  background-attachment: fixed;
}

/* yardimci */
.fw-black { font-weight: var(--fw-black); display: block; }
.fw-light { font-weight: var(--fw-light); display: block; }
.rule { border: 0; border-top: var(--hairline); margin-block: var(--sp-6); }
.rule--full { margin-block: var(--sp-12); }
.ok { color: var(--c-success); font-weight: var(--fw-semi); }

.section-num {
  font-family: var(--ff-display);
  font-weight: var(--fw-black);
  font-size: var(--fs-xl);
  color: color-mix(in srgb, var(--c-ink) 20%, transparent);
  letter-spacing: -0.02em;
  display: block;
  margin-bottom: var(--sp-4);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-family: var(--ff-sans); font-weight: var(--fw-semi);
  font-size: var(--fs-base);
  padding: var(--sp-3) var(--sp-6);
  border-radius: var(--radius);
  transition: background var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.btn--accent { background: var(--c-accent); color: var(--c-accent-ink); box-shadow: var(--shadow-sm); }
.btn--accent:hover { background: var(--c-accent-deep); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--accent svg { transition: transform var(--dur-fast) var(--ease); }
.btn--accent:hover svg { transform: translateX(3px); }
.btn--ghost { border: var(--hairline); color: var(--c-ink); }
.btn--ghost:hover { background: var(--c-bg-alt); }
.btn--sm { padding: var(--sp-2) var(--sp-4); font-size: var(--fs-sm); }
.btn--lg { padding: var(--sp-4) var(--sp-8); font-size: var(--fs-md); }

.link-quiet { font-size: var(--fs-sm); color: var(--c-ink-soft); }
.link-quiet:hover { color: var(--c-ink); }

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--c-bg) 88%, transparent);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: var(--hairline);
  transition: box-shadow var(--dur-fast) var(--ease);
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; gap: var(--sp-6); padding-block: var(--sp-3); }

.brand { display: inline-flex; align-items: center; gap: var(--sp-2); color: var(--c-ink); }
.brand__mark { color: var(--c-ink); }
.brand__name { font-family: var(--ff-display); font-weight: var(--fw-black); font-size: var(--fs-md); letter-spacing: -0.01em; }
.brand__dot { color: var(--c-accent); }

.nav__menu { display: flex; gap: var(--sp-6); margin-right: auto; }
.nav__menu a { font-size: var(--fs-sm); color: var(--c-ink-soft); position: relative; padding-block: var(--sp-1); }
.nav__menu a:hover { color: var(--c-ink); }
.nav__menu a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 1px; width: 0;
  background: var(--c-ink); transition: width var(--dur-fast) var(--ease);
}
.nav__menu a:hover::after { width: 100%; }
.menu-cta { display: none; }

.nav__actions { display: flex; align-items: center; gap: var(--sp-4); }
.toggle { display: inline-flex; align-items: center; gap: 2px; border: var(--hairline); border-radius: var(--radius-pill); padding: 2px; }
.toggle__opt { font-size: var(--fs-xs); font-weight: var(--fw-medium); color: var(--c-ink-soft); padding: 3px var(--sp-2); border-radius: var(--radius-pill); }
.toggle__opt.is-active { background: var(--c-ink); color: var(--c-bg); }
.toggle__sep { width: 1px; height: 14px; background: var(--c-border); margin-inline: 2px; }

.nav__burger { display: none; flex-direction: column; gap: 4px; padding: var(--sp-2); }
.nav__burger span { width: 20px; height: 2px; background: var(--c-ink); transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast); }

/* ---------- §01 hero ---------- */
.hero { padding-top: var(--page-top); position: relative; }
.colindex {
  display: grid; grid-template-columns: repeat(12, 1fr);
  border-bottom: var(--hairline); padding-bottom: var(--sp-2); margin-bottom: var(--sp-8);
}
.colindex span { font-family: var(--ff-sans); font-size: var(--fs-xs); letter-spacing: .1em; color: color-mix(in srgb, var(--c-ink) 28%, transparent); }

.hero__grid { row-gap: var(--sp-12); align-items: start; position: relative; }
.hero__grid::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: repeating-linear-gradient(
    to right,
    transparent, transparent calc(100% / 12 - 1px),
    rgba(26,26,23,.06) calc(100% / 12 - 1px), rgba(26,26,23,.06) calc(100% / 12)
  );
}
.hero__lead { grid-column: 1 / 8; }
.hero__media { grid-column: 8 / 13; display: flex; align-items: center; justify-content: center; }
.hero__kicker { margin-bottom: var(--sp-6); }
.hero__title { font-size: var(--fs-display); margin-bottom: 0; }
.hero__sub { font-size: var(--fs-lg); color: var(--c-ink); font-family: var(--ff-display); font-weight: var(--fw-light); line-height: 1.3; letter-spacing: -0.01em; max-width: 26ch; }
.hero__sub em { font-style: normal; color: var(--c-ink); font-weight: var(--fw-black); }

.hero__cta { display: flex; align-items: center; flex-wrap: wrap; gap: var(--sp-6); margin-top: var(--sp-8); }
.hero__trust { display: flex; flex-wrap: wrap; gap: var(--sp-4); }
.hero__trust li { display: inline-flex; align-items: center; gap: var(--sp-2); font-size: var(--fs-sm); color: var(--c-ink-soft); }
.hero__trust .tick { color: var(--c-success); flex: 0 0 auto; }

.hero__spec { grid-column: 9 / 13; border: var(--hairline); border-radius: var(--radius); padding: var(--sp-6); background: var(--c-surface); box-shadow: var(--shadow-sm); position: relative; }
.spec__head { margin-bottom: var(--sp-4); }
.spec__row { display: flex; align-items: baseline; gap: var(--sp-2); padding-block: var(--sp-3); border-top: var(--hairline); }
.spec__row:first-of-type { border-top: 0; }
.spec__row dt { color: var(--c-ink-soft); font-size: var(--fs-sm); }
.spec__row dd { margin-left: auto; font-weight: var(--fw-semi); font-size: var(--fs-base); text-align: right; }
.spec__row dd span { color: var(--c-ink-soft); font-weight: var(--fw-body); font-size: var(--fs-xs); }
.spec__ink { margin-top: var(--sp-4); opacity: .9; fill: none; }

.scroll-hint { margin-top: var(--sp-12); padding-top: var(--sp-4); border-top: var(--hairline); }

/* ---------- §02 hibrit ---------- */
.hybrid { background: var(--c-bg-alt); }
.hybrid__grid { row-gap: var(--sp-12); align-items: center; }
.hybrid__copy { grid-column: 1 / 6; }
.hybrid__copy h2 { font-size: var(--fs-2xl); margin-block: var(--sp-4); }
.hybrid__copy .eyebrow { margin-bottom: var(--sp-2); }
.hybrid .section-num { grid-column: 1 / -1; }

.tracks { grid-column: 7 / 13; display: grid; gap: 0; }
.track { display: flex; align-items: center; gap: var(--sp-4); padding-block: var(--sp-4); border-top: var(--hairline); }
.track:first-child { border-top: 0; }
.track__label { flex: 0 0 auto; color: var(--c-ink); font-size: var(--fs-sm); letter-spacing: .06em; }
.track__line { flex: 1; height: 1px; background: var(--c-border); position: relative; }
.track__line::after { content: ""; position: absolute; right: -1px; top: 50%; transform: translateY(-50%); width: 6px; height: 6px; border-radius: 50%; background: var(--c-ink); }
.tracks__node { margin-top: var(--sp-4); padding-top: var(--sp-6); border-top: 2px solid var(--c-ink); font-family: var(--ff-display); font-weight: var(--fw-black); font-size: var(--fs-lg); display: flex; align-items: baseline; gap: var(--sp-3); flex-wrap: wrap; }
.tracks__node .label { align-self: center; }

/* ---------- §03 services ---------- */
.services__title { font-size: var(--fs-2xl); margin-bottom: var(--sp-12); max-width: 18ch; }
.services__split { display: grid; grid-template-columns: 1fr 1fr; }
.services__split .svc:first-child { padding-right: var(--sp-12); }
.services__split .svc:last-child { padding-left: var(--sp-12); border-left: var(--hairline); }
.svc h3 { font-size: var(--fs-xl); margin-block: var(--sp-3) var(--sp-4); }
.svc > p { color: var(--c-ink-soft); margin-bottom: var(--sp-6); }
.svc__spec { display: grid; gap: 0; }
.svc__spec > div { display: flex; gap: var(--sp-4); padding-block: var(--sp-3); border-top: var(--hairline); }
.svc__spec dt { flex: 0 0 38%; color: var(--c-ink-soft); font-size: var(--fs-sm); }
.svc__spec dd { font-size: var(--fs-sm); }

/* ---------- §04 migration ---------- */
.migration__title { font-size: var(--fs-2xl); margin-bottom: var(--sp-12); }
.steps { display: flex; align-items: stretch; gap: var(--sp-6); }
.step { flex: 1; border-top: 2px solid var(--c-ink); padding-top: var(--sp-4); display: grid; grid-template-columns: 1fr auto; align-items: center; column-gap: var(--sp-4); }
.step__num { grid-column: 1; grid-row: 1; margin: 0; color: var(--c-ink-soft); }
.step h3 { grid-column: 1 / -1; font-family: var(--ff-display); font-weight: var(--fw-black); font-size: var(--fs-lg); margin-top: var(--sp-4); margin-bottom: var(--sp-2); }
.step p { grid-column: 1 / -1; color: var(--c-ink-soft); font-size: var(--fs-sm); }
.step--arrow { flex: 0 0 auto; border: 0; display: flex; align-items: center; color: var(--c-border); font-size: var(--fs-xl); padding-top: var(--sp-8); }
.migration__note { margin-top: var(--sp-8); font-size: var(--fs-sm); color: var(--c-ink-soft); }
.migration__note .ok { font-size: var(--fs-xs); }

/* ---------- §05 devices ---------- */
.devices { background: var(--c-ink); color: var(--c-bg); }
.devices__inner { max-width: 760px; }
.devices .eyebrow { color: color-mix(in srgb, var(--c-bg) 60%, transparent); }
.devices h2 { font-size: var(--fs-2xl); margin-block: var(--sp-3) var(--sp-6); }
.devices__sub { color: color-mix(in srgb, var(--c-band-ink) 78%, transparent); font-size: var(--fs-md); }
.ruler { display: flex; gap: var(--sp-16); margin-top: var(--sp-12); border-top: 1px solid color-mix(in srgb, var(--c-band-ink) 25%, transparent); padding-top: var(--sp-6); }
.ruler li { display: flex; flex-direction: column; gap: var(--sp-3); font-size: var(--fs-sm); color: color-mix(in srgb, var(--c-band-ink) 85%, transparent); }
.ruler__tick { width: 1px; height: 14px; background: var(--c-band-ink); opacity: .5; }

/* ---------- §06 features ---------- */
.features__title { font-size: var(--fs-2xl); margin-bottom: var(--sp-12); }
.fgrid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: var(--hairline); border-left: var(--hairline); }
.fcell { padding: var(--sp-8); border-right: var(--hairline); border-bottom: var(--hairline); position: relative; }
.fcell__idx { display: none; }
.fcell h3 { font-family: var(--ff-display); font-weight: var(--fw-black); font-size: var(--fs-lg); margin-bottom: var(--sp-2); }
.fcell p { color: var(--c-ink-soft); font-size: var(--fs-sm); max-width: 32ch; }
.fcell--anchor { background: var(--c-surface); }
.fcell__tick { position: absolute; top: var(--sp-4); right: var(--sp-4); width: 10px; height: 10px; border-top: 2px solid var(--c-accent); border-right: 2px solid var(--c-accent); }

/* ---------- §07 faq ---------- */
.faq__grid { row-gap: var(--sp-8); }
.faq__head { grid-column: 1 / 5; }
.faq__head h2 { font-size: var(--fs-xl); margin-block: var(--sp-2) var(--sp-4); }
.faq__legend { line-height: 1.8; }
.faq__list { grid-column: 5 / 13; }

.qa { border-top: var(--hairline); }
.qa:last-child { border-bottom: var(--hairline); }
.qa__q { display: flex; align-items: center; gap: var(--sp-4); width: 100%; text-align: left; padding-block: var(--sp-4); font-size: var(--fs-md); color: var(--c-ink); }
.qa__text { flex: 1; font-weight: var(--fw-medium); font-family: var(--ff-sans); }
.qa__icon { position: relative; flex: 0 0 auto; width: 16px; height: 16px; }
.qa__icon::before, .qa__icon::after { content: ""; position: absolute; background: var(--c-ink-soft); }
.qa__icon::before { left: 0; top: 50%; width: 100%; height: 2px; transform: translateY(-50%); }
.qa__icon::after { left: 50%; top: 0; width: 2px; height: 100%; transform: translateX(-50%); transition: transform var(--dur-fast) var(--ease); }
.qa.is-open .qa__icon::after { transform: translateX(-50%) scaleY(0); }
.qa__a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--dur-fast) var(--ease); }
.qa__a > * { min-height: 0; overflow: hidden; }
.qa.is-open .qa__a { grid-template-rows: 1fr; }
.qa__a p { color: var(--c-ink-soft); padding-right: var(--sp-8); }
.qa.is-open .qa__a p { padding-bottom: var(--sp-4); }

/* ---------- §08 final ---------- */
.final { text-align: center; }
.final__inner { max-width: 640px; }
.final__title { font-size: var(--fs-2xl); margin-bottom: var(--sp-4); }
.final .eyebrow { margin-bottom: var(--sp-4); }
.final__sub { color: var(--c-ink-soft); margin: 0 auto var(--sp-8); }
.final .rule--full:first-child { margin-bottom: var(--sp-12); }
.final .rule--full:last-child { margin-top: var(--sp-12); }

/* ---------- §09 footer ---------- */
.site-footer { border-top: var(--hairline); padding-top: var(--sp-16); padding-bottom: var(--sp-8); background: var(--c-bg-alt); }
.footer__grid { row-gap: var(--sp-8); }
.footer__brand { grid-column: 1 / 5; }
.footer__brand p { color: var(--c-ink-soft); font-size: var(--fs-sm); margin-top: var(--sp-3); }
.footer__col { grid-column: span 2; display: flex; flex-direction: column; gap: var(--sp-2); }
.footer__col .label { margin-bottom: var(--sp-2); }
.footer__col a { font-size: var(--fs-sm); color: var(--c-ink-soft); }
.footer__col a:hover { color: var(--c-ink); }
.footer__bottom { display: flex; justify-content: center; align-items: center; gap: var(--sp-4); flex-wrap: wrap; margin-top: var(--sp-16); padding-top: var(--sp-6); border-top: var(--hairline); text-align: center; }
.footer__bottom p { font-size: var(--fs-sm); color: var(--c-ink-soft); }
.footer__bottom a { color: var(--c-ink); text-decoration: underline; text-underline-offset: 2px; transition: color var(--dur-fast) var(--ease); }
.footer__bottom a:hover { color: var(--c-accent); }

/* ---------- cookie ---------- */
.cookie {
  position: fixed; right: var(--sp-4); bottom: var(--sp-4); z-index: 60;
  max-width: 360px; background: var(--c-surface); border: var(--hairline);
  border-radius: var(--radius); box-shadow: var(--shadow-md);
  padding: var(--sp-4); display: grid; gap: var(--sp-3);
}
.cookie p { font-size: var(--fs-sm); color: var(--c-ink-soft); }
.cookie a { color: var(--c-accent); text-decoration: underline; text-underline-offset: 2px; }
.cookie__actions { display: flex; gap: var(--sp-2); justify-content: flex-end; }

/* ---------- reveal motion ---------- */
[data-reveal] { opacity: 0; transform: translateY(12px); transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: none; }
.hero__spec { transition-delay: 90ms; }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px) {
  .hero__lead { grid-column: 1 / 8; }
  .hero__spec, .hero__media { grid-column: 8 / 13; }
  .hybrid__copy { grid-column: 1 / 7; }
  .tracks { grid-column: 1 / 13; }
  .faq__head { grid-column: 1 / 13; }
  .faq__list { grid-column: 1 / 13; }
  .fgrid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav__menu { display: none; }
  .nav__burger { display: flex; }
  .nav__menu.is-open {
    display: flex; flex-direction: column; gap: var(--sp-4);
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--c-bg); border-bottom: var(--hairline);
    padding: var(--sp-6) var(--gutter); margin: 0;
  }
  .link-quiet { display: none; }
  .toggle { display: none; }
  .nav__actions .btn--accent { display: none; }
  .nav__menu.is-open .menu-cta { display: inline-flex; align-self: flex-start; }
  .colindex { display: none; }
  .hero__grid::before { display: none; }
  .hero__lead, .hero__spec, .hero__media { grid-column: 1 / -1; }
  .hybrid__copy, .tracks { grid-column: 1 / -1; }
  .services__split { grid-template-columns: 1fr; gap: var(--sp-12); }
  .services__split .svc:first-child { padding-right: 0; padding-bottom: var(--sp-12); border-bottom: var(--hairline); }
  .services__split .svc:last-child { padding-left: 0; border-left: 0; padding-top: var(--sp-12); }
  .steps { flex-direction: column; }
  .step--arrow { transform: rotate(90deg); align-self: center; padding: 0; }
  .ruler { gap: var(--sp-8); flex-wrap: wrap; }
  .footer__brand { grid-column: 1 / -1; }
  .footer__col { grid-column: span 3; }
}

@media (max-width: 420px) {
  .fgrid { grid-template-columns: 1fr; }
  .footer__col { grid-column: 1 / -1; }
  .hero__cta { gap: var(--sp-4); }
  .cookie { left: 84px; right: var(--sp-2); bottom: var(--sp-2); max-width: none; }
}

/* ============ DOSTANE-ISITMA: ILLUSTRASYON + ANIMASYON + HOVER ============ */

/* --- illustrasyon yerlesim --- */
.illo { color: var(--c-ink-soft); display: block; width: 100%; }
.illo svg { width: 100%; height: auto; display: block; overflow: visible; }
.illo--hero { max-width: 540px; margin-inline: auto; }
.illo--md { max-width: 360px; }
.illo--sm { max-width: 220px; }
.illo--card { max-width: 92px; margin-bottom: var(--sp-2); }

/* --- illustrasyon animasyonlari (SVG ic kancalari) --- */
@keyframes illoFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
@keyframes illoBlink { 0%, 100% { opacity: 1; } 50% { opacity: .2; } }
@keyframes illoDash  { to { stroke-dashoffset: -28; } }
.illo-float { animation: illoFloat 6s var(--ease) infinite; transform-box: fill-box; transform-origin: center; }
.illo-blink { animation: illoBlink 2.2s ease-in-out infinite; }
.illo-dash  { animation: illoDash 1.6s linear infinite; }
.illo-pop   { transition: transform var(--dur-fast) var(--ease); transform-box: fill-box; transform-origin: center; }
.illo:hover .illo-pop { transform: scale(1.18); }
.illo:hover .illo-float { animation-duration: 3.2s; }

/* --- hover mikro-etkilesimleri (kipir-kipir) --- */
.pcard, .plan, .svc { transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease); }
.pcard:hover, .plan:hover, .svc:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.pcard:hover { border-color: var(--c-accent); }
.fcell { transition: background var(--dur-fast) var(--ease); }
.fcell:hover { background: var(--c-bg-alt); }
.fcell:hover .fcell__idx { color: var(--c-accent); }
.qa__q { transition: color var(--dur-fast) var(--ease); }
.qa__q:hover { color: var(--c-accent); }
.step { transition: border-color var(--dur-fast) var(--ease); }
.step:hover { border-top-color: var(--c-accent); }
.track:hover .track__line { background: var(--c-accent); }
.track__line { transition: background var(--dur-fast) var(--ease); }
.pcard__link, .tracks__node { transition: color var(--dur-fast) var(--ease); }

/* --- giris animasyonu: izgara stagger --- */
.fgrid .fcell[data-reveal]:nth-child(2) { transition-delay: 70ms; }
.fgrid .fcell[data-reveal]:nth-child(3) { transition-delay: 140ms; }
.fgrid .fcell[data-reveal]:nth-child(4) { transition-delay: 210ms; }
.fgrid .fcell[data-reveal]:nth-child(5) { transition-delay: 280ms; }
.fgrid .fcell[data-reveal]:nth-child(6) { transition-delay: 350ms; }
.ptrio .pcard[data-reveal]:nth-child(2) { transition-delay: 90ms; }
.ptrio .pcard[data-reveal]:nth-child(3) { transition-delay: 180ms; }

/* --- DARK MODE ince ayarlar --- */
[data-theme="dark"] { --c-band: #0E0C08; --wave-opacity: 0.12; }
[data-theme="dark"] body {
  background-image:
    radial-gradient(120% 80% at 85% -10%, rgba(213,94,51,.12), transparent 60%),
    radial-gradient(90% 70% at 0% 0%, rgba(244,241,234,.03), transparent 55%);
}
[data-theme="dark"] .hero__grid::before {
  background-image: repeating-linear-gradient(to right, transparent, transparent calc(100% / 12 - 1px), rgba(244,241,234,.06) calc(100% / 12 - 1px), rgba(244,241,234,.06) calc(100% / 12));
}
[data-theme="dark"] .site-header { background: color-mix(in srgb, var(--c-bg) 85%, transparent); }
[data-theme="dark"] .hero__spec,
[data-theme="dark"] .fcell--anchor { background: var(--c-surface); }

/* --- reduced-motion: tum dekoratif hareketi durdur --- */
@media (prefers-reduced-motion: reduce) {
  .illo-float, .illo-blink, .illo-dash { animation: none !important; }
}

/* ============ HERO ARKASI: INCE ATMOSFERIK DALGA (saf CSS, JS yok) ============ */
.hero, .phero { position: relative; overflow: hidden; isolation: isolate; }
.hero > .container, .phero > .container { position: relative; z-index: 1; }

.hero::before, .hero::after,
.phero::before, .phero::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 200%; height: 62%;
  z-index: 0; pointer-events: none;
  background: var(--wave-1);
  opacity: var(--wave-opacity);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1200' height='200' viewBox='0 0 1200 200' preserveAspectRatio='none'%3E%3Cpath d='M0 110 C100 60 200 60 300 110 S500 160 600 110 S800 60 900 110 S1100 160 1200 110 V200 H0 Z' fill='black'/%3E%3C/svg%3E") bottom / 50% 100% repeat-x;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1200' height='200' viewBox='0 0 1200 200' preserveAspectRatio='none'%3E%3Cpath d='M0 110 C100 60 200 60 300 110 S500 160 600 110 S800 60 900 110 S1100 160 1200 110 V200 H0 Z' fill='black'/%3E%3C/svg%3E") bottom / 50% 100% repeat-x;
  animation: waveX var(--dur-wave) linear infinite;
  will-change: transform;
}
.hero::after, .phero::after {
  background: var(--wave-2);
  height: 50%;
  opacity: calc(var(--wave-opacity) * 0.6);
  -webkit-mask-size: 62% 100%;
  mask-size: 62% 100%;
  animation-duration: calc(var(--dur-wave) * 1.7);
  animation-direction: reverse;
}
/* ic sayfa hero'da dalga tutarli ince TABAN (dev bos bant yok); ana sayfa 62% kalir */
.phero::before { height: 240px; }
.phero::after  { height: 190px; }

@keyframes waveX {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}

/* ============ BOOGIE (csslab) - cok yavas, hover'da TEK illo (TEST) ============ */
/* kose-ziplama dansi + terracotta sert golge-eko (SVG siluetini izler) */
@keyframes boogie {
  0%    { transform: translate(.7rem, -.7rem); filter: drop-shadow(-1.2rem 1.2rem 0 var(--c-accent)); }
  12.5% { transform: translate(-.7rem, .7rem); filter: drop-shadow(1.2rem -1.2rem 0 var(--c-accent)); }
  25%   { transform: translate(.7rem, -.7rem); filter: drop-shadow(-1.2rem 1.2rem 0 var(--c-accent)); }
  37.5% { transform: translate(.7rem, .7rem);  filter: drop-shadow(-1.2rem -1.2rem 0 var(--c-accent)); }
  50%   { transform: translate(-.7rem, -.7rem); filter: drop-shadow(1.2rem 1.2rem 0 var(--c-accent)); }
  62.5% { transform: translate(.7rem, .7rem);  filter: drop-shadow(-1.2rem -1.2rem 0 var(--c-accent)); }
  75%   { transform: translate(-.7rem, -.7rem); filter: drop-shadow(1.2rem 1.2rem 0 var(--c-accent)); }
  87.5% { transform: translate(-.7rem, .7rem); filter: drop-shadow(1.2rem -1.2rem 0 var(--c-accent)); }
  100%  { transform: translate(.7rem, -.7rem); filter: drop-shadow(-1.2rem 1.2rem 0 var(--c-accent)); }
}
/* SADECE ana sayfa hero webmail illustrasyonu (onay sonrasi digerlerine yayilacak) */
.hero .illo--hero:hover svg { animation: boogie 9s ease infinite; }
.hero .illo--hero:hover .illo-float { animation: none; }

/* ============ MIKRO-IKONLAR (data-ic) ============ */
.ic { display: inline-flex; line-height: 0; color: inherit; flex: 0 0 auto; }
.ic svg { width: 1.5em; height: 1.5em; display: block; }
.ic--sm svg { width: 16px; height: 16px; }

/* ozellik karti ikonu (ust) */
.fcell .ic { display: block; margin-bottom: var(--sp-4); color: var(--c-ink); transition: color var(--dur-fast) var(--ease); }
.fcell .ic svg { width: 30px; height: 30px; }
.fcell:hover .ic { color: var(--c-accent); }

/* tracks platform ikonu */
.track .ic { color: var(--c-ink-soft); transition: color var(--dur-fast) var(--ease); }
.track .ic svg { width: 20px; height: 20px; }
.track:hover .ic { color: var(--c-accent); }

/* ruler cihaz ikonu (koyu bant) */
.ruler li { gap: var(--sp-2); }
.ruler .ic svg { width: 22px; height: 22px; }

/* adim ikonu */
.step .ic { grid-column: 2; grid-row: 1; justify-self: end; margin: 0; color: var(--c-accent); }
.step .ic svg { width: 26px; height: 26px; }

/* spec satir basligi ikonu */
.spec dt, .svc__spec dt { display: flex; align-items: center; gap: var(--sp-2); }
.spec dt .ic, .svc__spec dt .ic { color: var(--c-ink-soft); }