/* ═════════════════════════════════════════════════════════════════════
   SoliShelf tanıtım sitesi — bağımsız statik sayfa.
   Marka paleti Soli Mühendislik kurumsal kimliğiyle uyumludur:
   turuncu (#ef5a24) + lacivert (#14233f), altın/amber vurgu (#f59e0b).
   ═════════════════════════════════════════════════════════════════════ */

:root {
  --bg: #f6f8fb;
  --bg-2: #eef1f7;
  --surface: #ffffff;
  --surface-2: #f1f4f9;
  --border: #e4e8f0;
  --border-strong: #cfd6e2;

  --text: #0f172a;
  --dim: #5a6b85;
  --mute: #94a3b8;

  --brand-1: #ef5a24;
  --brand-2: #f59e0b;
  --accent: #ef5a24;
  --grad: linear-gradient(135deg, #ef5a24 0%, #f97316 55%, #f59e0b 100%);

  --navy: #14233f;
  --navy-2: #0d1626;

  --eink-paper: #f1f0e8;
  --eink-paper-2: #e7e6dd;
  --eink-ink: #1d222b;
  --eink-dim: #5a6068;
  --eink-red: #c92a45;
  --eink-yellow: #f0b400;

  --ok: #34d399;
  --warn: #fbbf24;

  --radius: 6px;
  --radius-lg: 9px;
  --ease: cubic-bezier(.2, .6, .2, 1);
  --content: 1200px;

  --nav-h: 68px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 { letter-spacing: -0.022em; line-height: 1.12; margin: 0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--brand-1); color: #fff; }

.grad {
  background-image: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ── arka plan katmanları ─────────────────────────────────────────── */
.bg-mesh {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(900px 600px at 12% -8%, rgba(239, 90, 36, .10) 0%, transparent 60%),
    radial-gradient(800px 540px at 95% 12%, rgba(245, 158, 11, .07) 0%, transparent 58%),
    radial-gradient(1000px 700px at 50% 115%, rgba(239, 90, 36, .08) 0%, transparent 60%),
    var(--bg);
}
.bg-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(15, 23, 42, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 75%);
}

/* ── okuma ilerlemesi ─────────────────────────────────────────────── */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 200;
  background: transparent;
}
.scroll-progress span {
  display: block; height: 100%; width: 0;
  background-image: var(--grad);
  box-shadow: 0 0 12px rgba(239, 90, 36, .45);
}

/* ── nav ──────────────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(255, 255, 255, .78);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom-color: var(--border);
  box-shadow: 0 12px 40px -18px rgba(15, 23, 42, .18);
}
.nav-inner {
  max-width: var(--content); margin: 0 auto; height: var(--nav-h);
  padding: 0 24px;
  display: flex; align-items: center; gap: 28px;
}
.logo { display: inline-flex; align-items: center; gap: 11px; }
.logo-mark {
  width: 40px; height: 40px; flex: none;
  display: grid; place-items: center;
  filter: drop-shadow(0 6px 12px rgba(239, 90, 36, .28));
}
.logo-mark.sm { width: 34px; height: 34px; }
.logo-mark svg { width: 100%; height: 100%; }
.logo-text { font-weight: 700; font-size: 18px; letter-spacing: -0.02em; }
.logo-text em {
  font-style: normal;
  background-image: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-links { display: flex; gap: 4px; margin: 0 auto; }
.nav-links a {
  padding: 8px 14px; border-radius: 6px;
  font-size: 14px; font-weight: 500; color: var(--dim);
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--text); background: rgba(15, 23, 42, .05); }
.nav-cta { display: flex; gap: 10px; align-items: center; }

/* ── butonlar ─────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: 6px;
  font-size: 14px; font-weight: 600; letter-spacing: -0.01em;
  cursor: pointer; white-space: nowrap;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease),
              background .2s, border-color .2s, filter .2s;
}
.btn .i { width: 16px; height: 16px; transition: transform .25s var(--ease); }
.btn:hover .i { transform: translateX(3px); }
.btn-lg { padding: 14px 26px; font-size: 15.5px; border-radius: 7px; }
.btn-primary {
  background-image: var(--grad);
  color: #fff;
  box-shadow: 0 10px 30px -10px rgba(239, 90, 36, .55), inset 0 1px 0 rgba(255, 255, 255, .22);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 38px -10px rgba(239, 90, 36, .65), inset 0 1px 0 rgba(255, 255, 255, .22);
  filter: saturate(1.1);
}
.btn-ghost { color: var(--dim); }
.btn-ghost:hover { color: var(--text); background: rgba(15, 23, 42, .05); }
.btn-glass {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--text);
  box-shadow: 0 1px 3px rgba(15, 23, 42, .07);
}
.btn-glass:hover { background: #fff4ee; border-color: rgba(239, 90, 36, .4); transform: translateY(-2px); }

/* ── bölüm genel ──────────────────────────────────────────────────── */
section { position: relative; }
section[id] { scroll-margin-top: calc(var(--nav-h) - 16px); }
.section-head {
  max-width: 760px; margin: 0 auto 56px; padding: 0 24px;
  text-align: center;
}
.section-head h2 { font-size: clamp(30px, 4.6vw, 46px); font-weight: 800; }
.section-head p { margin-top: 16px; color: var(--dim); font-size: 17px; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  margin-bottom: 14px; padding: 6px 14px;
  border: 1px solid rgba(239, 90, 36, .25); border-radius: 4px;
  background: rgba(239, 90, 36, .07);
  color: var(--accent);
  font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em;
}

/* ── hero ─────────────────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: calc(var(--nav-h) + 48px) 24px 60px;
  position: relative;
}
.hero-inner {
  max-width: var(--content); margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  align-items: center; gap: 48px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px; margin-bottom: 26px;
  border: 1px solid var(--border-strong); border-radius: 4px;
  background: rgba(255, 255, 255, .75);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  box-shadow: 0 1px 3px rgba(15, 23, 42, .06);
  font-size: 13px; font-weight: 500; color: var(--dim);
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, .5);
  animation: ping 2.2s infinite;
}
@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, .45); }
  70% { box-shadow: 0 0 0 9px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}
.hero h1 {
  font-size: clamp(38px, 5.6vw, 66px);
  font-weight: 850;
  line-height: 1.06;
}
.hero-sub {
  margin-top: 22px; max-width: 56ch;
  color: var(--dim); font-size: clamp(15.5px, 1.4vw, 17.5px);
}
.hero-actions { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-meta {
  margin-top: 44px;
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
}
.hero-meta > div { display: flex; flex-direction: column; gap: 2px; }
.hero-meta strong { font-size: 21px; font-weight: 750; letter-spacing: -0.02em; }
.hero-meta span { font-size: 12.5px; color: var(--mute); }
.hero-meta .sep { width: 1px; height: 34px; background: var(--border-strong); }

.hero-visual { position: relative; perspective: 1400px; min-height: 420px; }
.hero-glow {
  position: absolute; inset: -10% -16%;
  background: radial-gradient(closest-side, rgba(249, 115, 22, .16), transparent 72%);
  filter: blur(8px);
  pointer-events: none;
}
.esl-float {
  position: relative;
  transform-style: preserve-3d;
  will-change: transform;
  animation: float 7s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -14px; }
}

.hero-scroll {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  color: var(--mute); font-size: 11.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .14em;
  transition: color .2s;
}
.hero-scroll:hover { color: var(--text); }
.hero-scroll svg { width: 18px; height: 18px; animation: bob 1.8s ease-in-out infinite; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(5px); } }

/* ═══ ESL ETİKETİ — yeniden kullanılabilir bileşen ═══════════════════ */
.esl {
  --w: 420px;
  width: var(--w);
  position: relative;
  transform-style: preserve-3d;
  filter: drop-shadow(0 30px 50px rgba(15, 28, 51, .28));
}
.esl[data-size="xl"] { --w: min(540px, 86vw); }
.esl[data-size="lg"] { --w: min(440px, 84vw); }
.esl[data-size="sm"] { --w: 190px; }

.esl-rail {
  position: absolute; top: -9px; left: 8%; right: 8%; height: 16px;
  border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, #2c3650, #1b2336);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .12);
}
.esl-body {
  position: relative;
  border-radius: 8px;
  padding: 12px;
  background: linear-gradient(160deg, #fdfdfd 0%, #e9eaee 52%, #d6d8df 100%);
  box-shadow:
    inset 0 1.5px 0 rgba(255, 255, 255, .95),
    inset 0 -2px 4px rgba(20, 25, 40, .18),
    0 1px 2px rgba(0, 0, 0, .4);
}
.esl[data-size="sm"] .esl-body { border-radius: 6px; padding: 7px; }
.esl-led {
  position: absolute; top: 7px; right: 14px; z-index: 3;
  width: 6px; height: 6px; border-radius: 50%;
  background: #b9bdc6;
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, .3);
  transition: background .15s, box-shadow .15s;
}
.esl-led.on {
  background: var(--ok);
  box-shadow: 0 0 8px 1px rgba(52, 211, 153, .8);
  animation: led-blink 2.6s infinite;
}
.esl-led.push {
  background: var(--warn);
  box-shadow: 0 0 9px 2px rgba(251, 191, 36, .85);
  animation: led-fast .5s infinite;
}
@keyframes led-blink { 0%, 92%, 100% { opacity: 1; } 96% { opacity: .25; } }
@keyframes led-fast { 0%, 100% { opacity: 1; } 50% { opacity: .2; } }

.esl-screen {
  position: relative;
  border-radius: 4px;
  padding: 4px;
  background: #14171e;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, .65);
  overflow: hidden;
}
.esl-glare {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(112deg,
    transparent 32%, rgba(255, 255, 255, .14) 44%,
    rgba(255, 255, 255, .03) 52%, transparent 64%);
  mix-blend-mode: screen;
}

/* e-mürekkep yüzeyi */
.eink {
  position: relative;
  border-radius: 3px;
  background:
    radial-gradient(120% 90% at 30% 0%, rgba(255, 255, 255, .5), transparent 50%),
    var(--eink-paper);
  color: var(--eink-ink);
  padding: 18px 20px 16px;
  min-height: 196px;
  display: flex; flex-direction: column; justify-content: space-between; gap: 8px;
  font-feature-settings: "tnum";
}
.esl[data-size="sm"] .eink { min-height: 64px; padding: 9px 11px; gap: 3px; justify-content: center; }
.esl[data-size="xl"] .eink { min-height: 244px; padding: 22px 26px 18px; }

.eink-head {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 11px; font-weight: 700; letter-spacing: .08em;
  color: var(--eink-dim); text-transform: uppercase;
}
.eink-brand { color: var(--eink-ink); }
.eink-name { font-size: clamp(15px, 2vw, 19px); font-weight: 700; letter-spacing: -0.01em; }
.eink-name.sm { font-size: 11.5px; font-weight: 700; }
.eink-priceline { display: flex; align-items: baseline; gap: 8px; }
.eink-priceline.sm { gap: 3px; }
.eink-cur { font-size: clamp(18px, 2.4vw, 26px); font-weight: 700; align-self: flex-start; margin-top: 6px; }
.eink-price { font-size: clamp(44px, 6vw, 64px); font-weight: 850; line-height: 1; letter-spacing: -0.035em; }
.eink-price small { font-size: .46em; font-weight: 800; vertical-align: .62em; letter-spacing: 0; }
.eink-price.sm { font-size: 24px; }
.eink-cur.sm, .esl[data-size="sm"] .eink-cur { font-size: 13px; margin-top: 2px; }
.eink-unit { margin-left: auto; display: flex; flex-direction: column; align-items: flex-end; gap: 1px; font-size: 11px; color: var(--eink-dim); font-weight: 600; }

/* çok renkli e-mürekkep öğeleri (B/W/R/Y) */
.eink-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 7px; border-radius: 3px;
  font-size: 10px; font-weight: 800; letter-spacing: .05em; text-transform: uppercase;
  white-space: nowrap; line-height: 1.5;
}
.eink-badge.yellow { background: var(--eink-yellow); color: #1d222b; }
.eink-badge.red { background: var(--eink-red); color: #fff; }
.eink-old { color: var(--eink-red); text-decoration: line-through; font-weight: 800; font-size: 13px; }
.eink-perL { color: var(--eink-dim); font-size: 11px; font-weight: 600; }

/* ESL üzerindeki Soli markası — güneş 4 renkli e-mürekkep palette (sarı+turuncu+kırmızı+siyah) */
.eink-soli { margin-left: auto; display: inline-flex; align-items: center; gap: 5px; }
.eink-soli .soli-sun { width: 22px; height: 20px; flex: none; }
.eink-soli b { font-size: 14px; font-weight: 800; font-style: italic; letter-spacing: -.02em; color: var(--eink-ink); line-height: 1; }
.esl[data-size="xl"] .eink-soli b { font-size: 16px; }
.esl[data-size="xl"] .eink-soli .soli-sun { width: 25px; height: 22px; }
.eink-foot { display: flex; align-items: center; gap: 12px; }
.eink-barcode {
  height: 26px; flex: 0 0 96px; border-radius: 1px;
  background: repeating-linear-gradient(90deg,
    var(--eink-ink) 0 2px, transparent 2px 4px,
    var(--eink-ink) 4px 5px, transparent 5px 9px,
    var(--eink-ink) 9px 12px, transparent 12px 14px,
    var(--eink-ink) 14px 15px, transparent 15px 18px);
}
.eink-sku { font-size: 10.5px; color: var(--eink-dim); font-weight: 600; letter-spacing: .06em; }
.eink-qr {
  margin-left: auto;
  width: 30px; height: 30px; border-radius: 2px;
  background:
    conic-gradient(var(--eink-ink) 25%, transparent 0 50%, var(--eink-ink) 0 75%, transparent 0) 0 0/14px 14px,
    repeating-conic-gradient(var(--eink-ink) 0 25%, var(--eink-paper) 0 50%) 0 0/8px 8px;
  outline: 2px solid var(--eink-ink); outline-offset: -2px;
}

/* e-mürekkep tazeleme efekti (gerçek e-ink panel yenilemesi gibi) */
.eink.refresh { animation: eink-refresh .6s steps(3, end); }
@keyframes eink-refresh {
  0% { filter: invert(0); }
  25% { filter: invert(1); }
  55% { filter: invert(0); }
  75% { filter: invert(1); }
  100% { filter: invert(0); }
}

/* kampanya (üç renkli e-mürekkep) görünümü */
.eink-promo { background: radial-gradient(120% 90% at 30% 0%, rgba(255,255,255,.5), transparent 50%), var(--eink-paper); }
.eink-promo .eink-price, .eink-promo .eink-cur, .eink .red { color: var(--eink-red); }
.eink-strike { text-decoration: line-through; color: var(--eink-dim); font-size: .92em; font-weight: 700; }
.eink-ribbon {
  position: absolute; top: 12px; right: -34px; transform: rotate(38deg);
  background: var(--eink-red); color: var(--eink-paper);
  font-size: 11px; font-weight: 800; letter-spacing: .1em;
  padding: 4px 40px;
}
.eink-pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 9px; border-radius: 4px;
  border: 1.5px solid var(--eink-ink);
  font-size: 10px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase;
}
.eink-pill.red { border-color: var(--eink-red); color: var(--eink-red); }
.eink-rows { display: flex; flex-direction: column; gap: 7px; font-size: 13px; font-weight: 600; }
.eink-rows .row { display: flex; justify-content: space-between; border-bottom: 1.5px dashed rgba(29,34,43,.25); padding-bottom: 5px; }
.eink-rows .row b { font-weight: 800; }
.eink-bars { display: flex; align-items: flex-end; gap: 5px; height: 34px; }
.eink-bars i { flex: 1; background: var(--eink-ink); border-radius: 2px 2px 0 0; opacity: .85; }

/* hero mini etiketler */
.esl-mini { position: absolute; z-index: -1; opacity: .85; }
.esl-mini-1 { top: -64px; right: -8px; transform: rotate(6deg) scale(.96); animation: float 9s 1.2s ease-in-out infinite; }
.esl-mini-2 { bottom: -58px; left: -26px; transform: rotate(-7deg); animation: float 8s .6s ease-in-out infinite; }

/* ═══ SCROLL SAHNESİ ═════════════════════════════════════════════════ */
.scene { height: 460vh; }
.scene-sticky {
  position: sticky; top: 0; height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  overflow: hidden;
  padding: calc(var(--nav-h) + 8px) 24px 24px;
}
.scene-head { text-align: center; margin-bottom: 30px; }
.scene-head h2 { font-size: clamp(26px, 3.8vw, 40px); font-weight: 800; }
.scene-layout {
  max-width: var(--content); margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  align-items: center; gap: clamp(24px, 5vw, 80px);
}
.scene-stage {
  position: relative;
  display: grid; place-items: center;
  perspective: 1500px;
  min-height: 380px;
}
.scene-ring {
  position: absolute; width: min(560px, 90%); aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(closest-side, transparent 64%, rgba(239, 90, 36, .08) 70%, transparent 76%),
    radial-gradient(closest-side, rgba(249, 115, 22, .12), transparent 70%);
  pointer-events: none;
}
.scene-esl {
  position: relative;
  transform-style: preserve-3d;
  will-change: transform;
}
.scene-face {
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
  /* filter, 3D bağlamı düzleştirebildiği için dönen yüzlerde gölge body'de */
  filter: none;
}
.scene-face .esl-body {
  box-shadow:
    inset 0 1.5px 0 rgba(255, 255, 255, .95),
    inset 0 -2px 4px rgba(20, 25, 40, .18),
    0 24px 44px -12px rgba(15, 28, 51, .26);
}
.face-front { position: relative; }
.face-back { position: absolute; inset: 0; transform: rotateY(180deg); }
.scene-shadow {
  position: absolute; bottom: 4%; width: 52%; height: 26px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(15, 28, 51, .22), transparent);
  filter: blur(6px);
}

.scene-steps { position: relative; min-height: 300px; }
.scene-step {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: center; gap: 14px;
  opacity: 0; transform: translateY(26px);
  will-change: transform, opacity;
  pointer-events: none;
}
.scene-step .step-no {
  font-size: 13px; font-weight: 800; letter-spacing: .2em;
  color: var(--accent);
}
.scene-step h3 { font-size: clamp(24px, 2.8vw, 34px); font-weight: 800; }
.scene-step p { color: var(--dim); font-size: 16px; max-width: 46ch; }

.scene-dots {
  display: flex; gap: 8px; justify-content: center; margin-top: 28px;
}
.scene-dots span {
  width: 26px; height: 4px; border-radius: 1px;
  background: rgba(15, 23, 42, .12);
  transition: background .3s var(--ease);
}
.scene-dots span.active { background-image: var(--grad); }

/* ═══ İSTATİSTİKLER ═════════════════════════════════════════════════ */
.stats { padding: 110px 24px; }
.stats-inner {
  max-width: var(--content); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.syschips {
  max-width: var(--content); margin: 26px auto 0;
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; align-items: center;
}
.syschips .badge-chip b { color: var(--accent); font-weight: 700; }
.fineprint {
  max-width: 820px; margin: 22px auto 0; text-align: center;
  color: var(--mute); font-size: 12px; line-height: 1.6;
}
.stat {
  text-align: center; padding: 34px 18px;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 1px 3px rgba(15, 23, 42, .05), 0 6px 16px -8px rgba(15, 23, 42, .08);
  transition: border-color .3s, transform .3s var(--ease), box-shadow .3s;
}
.stat:hover {
  border-color: rgba(239, 90, 36, .4); transform: translateY(-4px);
  box-shadow: 0 18px 40px -18px rgba(239, 90, 36, .3);
}
.stat strong {
  display: block; font-size: clamp(34px, 3.6vw, 46px); font-weight: 850; letter-spacing: -0.03em;
  background-image: var(--grad);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  font-feature-settings: "tnum";
}
.stat-label { display: block; margin-top: 8px; color: var(--dim); font-size: 13.5px; font-weight: 500; }

/* ═══ BENTO ═════════════════════════════════════════════════════════ */
.features { padding: 60px 24px 120px; }
.bento {
  max-width: var(--content); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.bento-card {
  grid-column: span 1;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 1px 3px rgba(15, 23, 42, .05), 0 6px 16px -8px rgba(15, 23, 42, .07);
  padding: 22px;
  display: flex; flex-direction: column; gap: 8px;
  overflow: hidden; position: relative;
  transition: border-color .3s, transform .3s var(--ease), box-shadow .3s;
}
.bento-card:hover {
  border-color: rgba(239, 90, 36, .4);
  transform: translateY(-4px);
  box-shadow: 0 24px 50px -24px rgba(239, 90, 36, .3);
}
.bento-card.span-2 { grid-column: span 2; }
.bento-card h3 { font-size: 17.5px; font-weight: 700; margin-top: 14px; }
.bento-card p { color: var(--dim); font-size: 14px; }
.bento-card code {
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: .88em; color: var(--accent);
  background: rgba(239, 90, 36, .08);
  padding: 1px 5px; border-radius: 5px;
}

/* kart içi görseller koyu "ekran" paneli olarak kalır — beyaz kartta kontrast verir */
.bento-visual {
  height: 120px; border-radius: 6px;
  border: 1px solid rgba(148, 163, 205, .22);
  background: linear-gradient(180deg, #101729, #0c1322);
  position: relative; overflow: hidden;
}
.bento-visual::before { content: ""; position: absolute; inset: 0; }

/* mini editör */
.v-editor::before {
  inset: 14px;
  background:
    linear-gradient(var(--eink-paper), var(--eink-paper)) 0 0/52% 100% no-repeat,
    linear-gradient(rgba(251,146,60,.16), rgba(251,146,60,.16)) 58% 0/42% 26% no-repeat,
    linear-gradient(rgba(251,146,60,.10), rgba(251,146,60,.10)) 58% 46%/42% 26% no-repeat,
    linear-gradient(rgba(251,146,60,.10), rgba(251,146,60,.10)) 58% 100%/42% 26% no-repeat;
  border-radius: 6px;
}
.v-editor::after {
  content: ""; position: absolute; left: 22px; top: 24px; width: 34%; height: 30px;
  border: 1.5px dashed var(--brand-2); border-radius: 4px;
  background: rgba(245, 158, 11, .08);
}

/* mini takvim */
.v-calendar::before {
  inset: 14px;
  background-image:
    radial-gradient(circle at 50% 50%, rgba(251, 146, 60, .9) 0 3px, transparent 4px),
    repeating-linear-gradient(rgba(148,163,205,.10) 0 22px, transparent 22px 26px),
    repeating-linear-gradient(90deg, rgba(148,163,205,.10) 0 1px, transparent 1px 14.28%);
  background-size: 14.28% 26px, 100% 100%, 100% 100%;
  background-position: 42% 30%, 0 0, 0 0;
  border-radius: 6px;
}
.v-calendar::after {
  content: ""; position: absolute; right: 20px; bottom: 16px;
  width: 60px; height: 20px; border-radius: 4px;
  background: rgba(251, 146, 60, .22);
  border: 1px solid rgba(251, 146, 60, .5);
}

/* mini canlı izleme */
.v-monitor::before {
  inset: auto 14px 14px; height: 54px;
  background:
    linear-gradient(180deg, transparent 48%, rgba(251, 146, 60, .35) 49%, transparent 56%) 0 0/100% 100%,
    repeating-linear-gradient(90deg, rgba(251, 146, 60, .8) 0 3px, transparent 3px 16px) 0 70%/100% 30% no-repeat;
  mask-image: linear-gradient(90deg, transparent, black 14%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 14%, black 90%, transparent);
}
.v-monitor::after {
  content: ""; position: absolute; left: 16px; top: 14px; width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 22px 0 0 var(--ok), 44px 0 0 var(--warn), 66px 0 0 var(--ok), 0 0 10px rgba(52,211,153,.8);
}

/* mini topoloji */
.v-topology::before {
  inset: 0;
  background:
    radial-gradient(circle at 50% 28%, rgba(251,146,60,1) 0 5px, rgba(251,146,60,.18) 6px 10px, transparent 11px),
    radial-gradient(circle at 22% 70%, rgba(148,163,205,.9) 0 4px, transparent 5px),
    radial-gradient(circle at 50% 78%, rgba(148,163,205,.9) 0 4px, transparent 5px),
    radial-gradient(circle at 78% 70%, rgba(148,163,205,.9) 0 4px, transparent 5px),
    linear-gradient(118deg, transparent 48.6%, rgba(148,163,205,.4) 49.4% 50%, transparent 50.8%) 0 0/56% 92% no-repeat,
    linear-gradient(62deg, transparent 48.6%, rgba(148,163,205,.4) 49.4% 50%, transparent 50.8%) 100% 0/56% 92% no-repeat,
    linear-gradient(180deg, transparent 28%, rgba(148,163,205,.4) 28.5% 29%, transparent 30%) 50% 50%/2px 56% no-repeat;
}

/* mini grafik */
.v-chart::before {
  inset: auto 18px 0; height: 84px;
  background:
    linear-gradient(180deg, rgba(251,146,60,.95), rgba(239,90,36,.35)) 0% 100%/9% 38% no-repeat,
    linear-gradient(180deg, rgba(251,146,60,.95), rgba(239,90,36,.35)) 14% 100%/9% 58% no-repeat,
    linear-gradient(180deg, rgba(251,146,60,.95), rgba(239,90,36,.35)) 28% 100%/9% 44% no-repeat,
    linear-gradient(180deg, rgba(251,146,60,.95), rgba(239,90,36,.35)) 42% 100%/9% 72% no-repeat,
    linear-gradient(180deg, rgba(249,115,22,.95), rgba(239,90,36,.35)) 56% 100%/9% 90% no-repeat,
    linear-gradient(180deg, rgba(251,146,60,.95), rgba(239,90,36,.35)) 70% 100%/9% 62% no-repeat,
    linear-gradient(180deg, rgba(251,146,60,.95), rgba(239,90,36,.35)) 84% 100%/9% 78% no-repeat,
    linear-gradient(180deg, rgba(249,115,22,.95), rgba(239,90,36,.35)) 98% 100%/9% 96% no-repeat;
  border-radius: 4px 4px 0 0;
}

/* mini POS fişi */
.v-pos::before {
  inset: 14px 30%;
  background:
    linear-gradient(var(--eink-paper), var(--eink-paper-2));
  border-radius: 4px 4px 0 0;
  -webkit-mask-image: linear-gradient(black 82%, transparent);
  mask-image: linear-gradient(black 82%, transparent);
}
.v-pos::after {
  content: ""; position: absolute; inset: 26px 36% auto;
  height: 56px;
  background: repeating-linear-gradient(rgba(29,34,43,.55) 0 2.5px, transparent 2.5px 10px);
  border-radius: 1px;
}

/* mini üretici ekran kataloğu — farklı boyutlu etiket çerçeveleri */
.v-vendor::before {
  inset: 0;
  background:
    linear-gradient(var(--eink-paper), var(--eink-paper)) 16px 50%/64px 44px no-repeat,
    linear-gradient(var(--eink-paper-2), var(--eink-paper-2)) 94px 50%/52px 34px no-repeat,
    linear-gradient(#dce3e9, #dce3e9) 160px 50%/40px 26px no-repeat,
    linear-gradient(#f6e9e6, #f6e9e6) 214px 50%/30px 20px no-repeat;
  border-radius: 6px;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,.4));
}
.v-vendor::after {
  content: "2.9\" · 4.2\" · 5.8\" · 7.5\"";
  position: absolute; left: 16px; bottom: 10px;
  font-size: 10px; font-weight: 700; letter-spacing: .08em;
  color: var(--mute);
}

/* mini kampanya rozeti */
.v-promo::before {
  inset: 0;
  background:
    radial-gradient(circle at 32% 50%, rgba(201, 42, 69, .95) 0 26px, rgba(201, 42, 69, .25) 27px 30px, transparent 31px),
    linear-gradient(rgba(148,163,205,.25), rgba(148,163,205,.25)) 62% 38%/30% 7px no-repeat,
    linear-gradient(rgba(148,163,205,.14), rgba(148,163,205,.14)) 62% 58%/22% 7px no-repeat;
  border-radius: 6px;
}
.v-promo::after {
  content: "-%20";
  position: absolute; left: 32%; top: 50%; transform: translate(-50%, -50%);
  font-size: 14px; font-weight: 850; color: #fff; letter-spacing: -0.02em;
}

/* mini döviz */
.v-fx::before {
  inset: auto 14px 14px; height: 58px;
  background:
    linear-gradient(100deg, transparent 49.2%, rgba(251,146,60,.7) 49.8% 50.4%, transparent 51%) 0 0/34% 100% no-repeat,
    linear-gradient(80deg, transparent 49.2%, rgba(251,146,60,.7) 49.8% 50.4%, transparent 51%) 38% 0/30% 100% no-repeat,
    linear-gradient(95deg, transparent 49.2%, rgba(249,115,22,.7) 49.8% 50.4%, transparent 51%) 100% 0/34% 100% no-repeat;
}
.v-fx::after {
  content: "€ → ₺   $ → ₺   £ → ₺";
  position: absolute; left: 16px; top: 14px;
  font-size: 12.5px; font-weight: 800; letter-spacing: .12em;
  color: #fb923c;
}

/* mini kalkan */
.v-shield::before {
  inset: 0;
  background:
    radial-gradient(circle at 50% 52%, rgba(251,146,60,.95) 0 6px, transparent 7px),
    radial-gradient(circle at 50% 52%, transparent 17px, rgba(251,146,60,.4) 18px 19.5px, transparent 21px),
    radial-gradient(circle at 50% 52%, transparent 30px, rgba(251,146,60,.22) 31px 32.5px, transparent 34px),
    radial-gradient(circle at 50% 52%, transparent 43px, rgba(251,146,60,.12) 44px 45.5px, transparent 47px);
}

/* ═══ MODÜLLER ══════════════════════════════════════════════════════ */
.modules { padding: 60px 24px 120px; }
.module-grid {
  max-width: var(--content); margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.module-card {
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 1px 3px rgba(15, 23, 42, .05), 0 6px 16px -8px rgba(15, 23, 42, .07);
  padding: 28px;
  transition: border-color .3s, transform .3s var(--ease), box-shadow .3s;
}
.module-card:hover {
  border-color: rgba(239, 90, 36, .4);
  transform: translateY(-4px);
  box-shadow: 0 24px 50px -24px rgba(239, 90, 36, .3);
}
.module-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.module-head h3 { font-size: 19px; font-weight: 750; }
.module-icon {
  width: 44px; height: 44px; border-radius: 7px; flex: none;
  display: grid; place-items: center;
  background: rgba(239, 90, 36, .08);
  border: 1px solid rgba(239, 90, 36, .25);
  color: var(--accent);
}
.module-icon svg { width: 21px; height: 21px; }
.module-card ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.module-card li {
  position: relative; padding-left: 22px;
  color: var(--dim); font-size: 14.5px;
}
.module-card li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 7px; height: 7px; border-radius: 2px;
  background-image: var(--grad);
}

/* ═══ MİMARİ ════════════════════════════════════════════════════════ */
.arch { padding: 60px 24px 120px; }
.arch-flow {
  max-width: var(--content); margin: 0 auto;
  display: flex; align-items: stretch; gap: 0;
}
.arch-node {
  flex: 1;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 1px 3px rgba(15, 23, 42, .05), 0 6px 16px -8px rgba(15, 23, 42, .07);
  padding: 26px 18px;
  text-align: center;
  transition: border-color .3s, transform .3s var(--ease);
}
.arch-node:hover { border-color: rgba(239, 90, 36, .4); transform: translateY(-4px); }
.arch-node h4 { font-size: 16.5px; font-weight: 700; margin-top: 14px; }
.arch-node p { color: var(--mute); font-size: 13px; margin-top: 6px; }
.arch-icon {
  width: 52px; height: 52px; margin: 0 auto; border-radius: 8px;
  display: grid; place-items: center;
  background: rgba(239, 90, 36, .08);
  border: 1px solid rgba(239, 90, 36, .25);
  color: var(--accent);
}
.arch-icon svg { width: 24px; height: 24px; }
.arch-link {
  flex: 0 0 56px; align-self: center; height: 2px; position: relative;
  background: linear-gradient(90deg, rgba(239, 90, 36, .12), rgba(239, 90, 36, .45), rgba(239, 90, 36, .12));
}
.arch-link .pulse {
  position: absolute; top: 50%; left: 0;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px 2px rgba(239, 90, 36, .5);
  transform: translate(-4px, -50%);
  animation: flow 2.4s linear infinite;
}
.arch-link:nth-of-type(4) .pulse { animation-delay: .8s; }
.arch-link:nth-of-type(6) .pulse { animation-delay: 1.6s; }
@keyframes flow {
  0% { left: 0; opacity: 0; }
  12% { opacity: 1; }
  88% { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}
/* kapalı döngü operasyon şeridi */
.loop {
  max-width: 880px; margin: 56px auto 0; text-align: center;
  padding: 30px 24px;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 1px 3px rgba(15, 23, 42, .05), 0 6px 16px -8px rgba(15, 23, 42, .07);
}
.loop-title { color: var(--text); font-size: 15.5px; font-weight: 600; }
.loop-strip {
  margin: 20px auto 18px;
  display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap;
}
.loop-strip span {
  padding: 7px 15px; border-radius: 4px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  font-size: 13.5px; font-weight: 700; color: var(--dim);
}
.loop-strip span.hl {
  background-image: var(--grad); color: #fff; border-color: transparent;
  box-shadow: 0 8px 22px -8px rgba(239, 90, 36, .55);
}
.loop-strip i {
  width: 18px; height: 2px;
  background: linear-gradient(90deg, rgba(239, 90, 36, .15), rgba(239, 90, 36, .55));
}
.loop-sub { color: var(--mute); font-size: 13.5px; max-width: 64ch; margin: 0 auto; }

.arch-badges {
  max-width: var(--content); margin: 28px auto 0;
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
}
.badge-chip {
  padding: 8px 16px; border-radius: 4px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--dim); font-size: 13px; font-weight: 600;
  box-shadow: 0 1px 2px rgba(15, 23, 42, .05);
}

/* ═══ NEDEN ═════════════════════════════════════════════════════════ */
.why { padding: 60px 24px 120px; }
.compare {
  max-width: 980px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
.compare-col {
  border-radius: var(--radius-lg); padding: 30px;
  border: 1px solid var(--border);
}
.compare-col h3 { font-size: 18px; font-weight: 750; margin-bottom: 18px; }
.compare-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 13px; }
.compare-col li { display: flex; gap: 12px; align-items: baseline; font-size: 15px; }
.compare-col .x, .compare-col .c {
  flex: none; width: 22px; height: 22px; border-radius: 3px;
  display: inline-grid; place-items: center;
  font-size: 12px; font-weight: 800;
  transform: translateY(4px);
}
.compare-col.old { background: var(--surface-2); color: var(--dim); }
.compare-col.old .x { background: #fdecec; color: #ef4444; }
.compare-col.new {
  background: linear-gradient(180deg, #fff4ee, #ffffff);
  border-color: rgba(239, 90, 36, .35);
  box-shadow: 0 30px 70px -30px rgba(239, 90, 36, .3);
}
.compare-col.new .c { background: #e5f7ef; color: #0c9d6e; }
.why-note {
  max-width: 760px; margin: 40px auto 0; text-align: center;
  color: var(--dim); font-size: 15.5px;
}

/* ═══ SSS ═══════════════════════════════════════════════════════════ */
.faq { padding: 60px 24px 120px; }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-list details {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 1px 3px rgba(15, 23, 42, .05);
  overflow: hidden;
  transition: border-color .3s;
}
.faq-list details[open] { border-color: rgba(239, 90, 36, .4); }
.faq-list summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 22px;
  font-size: 15.5px; font-weight: 650;
  transition: color .2s;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:hover { color: var(--accent); }
.faq-icon {
  flex: none; width: 26px; height: 26px; border-radius: 5px;
  border: 1px solid var(--border-strong);
  position: relative;
  transition: transform .3s var(--ease), background .3s, border-color .3s;
}
.faq-icon::before, .faq-icon::after {
  content: ""; position: absolute; top: 50%; left: 50%;
  width: 10px; height: 1.6px; border-radius: 2px;
  background: var(--dim);
  transform: translate(-50%, -50%);
  transition: transform .3s var(--ease), background .3s;
}
.faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
details[open] .faq-icon { background: rgba(239, 90, 36, .1); border-color: rgba(239, 90, 36, .45); transform: rotate(45deg); }
details[open] .faq-icon::before, details[open] .faq-icon::after { background: var(--accent); }
.faq-list details p {
  padding: 0 22px 20px;
  color: var(--dim); font-size: 14.5px; max-width: 72ch;
}

/* ═══ CTA ═══════════════════════════════════════════════════════════ */
.cta { padding: 40px 24px 130px; }
/* finalde koyu indigo kart — aydınlık sayfada kontrast vurgusu */
.cta-card {
  position: relative; overflow: hidden;
  max-width: var(--content); margin: 0 auto;
  border-radius: 10px; padding: clamp(48px, 7vw, 90px) 24px;
  text-align: center;
  border: 1px solid rgba(239, 90, 36, .45);
  background: linear-gradient(160deg, #14233f 0%, #0d1626 100%);
  box-shadow: 0 40px 80px -40px rgba(15, 28, 51, .5);
}
.cta-glow {
  position: absolute; inset: -40% -10% auto; height: 120%;
  background: radial-gradient(closest-side, rgba(249, 115, 22, .35), transparent 70%);
  pointer-events: none;
}
.cta-card h2 { font-size: clamp(30px, 4.6vw, 50px); font-weight: 850; position: relative; color: #fff; }
.cta-card h2 .grad { background-image: linear-gradient(135deg, #fb923c, #fde3c8); }
.cta-card p { margin-top: 16px; color: #b6c2da; font-size: 17px; position: relative; }
.cta-card .btn-glass {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .28);
  color: #fff; box-shadow: none;
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.cta-card .btn-glass:hover { background: rgba(255, 255, 255, .15); border-color: rgba(255, 255, 255, .4); }
.cta-actions { margin-top: 34px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; }

/* CTA kartındaki gerçek iletişim bilgileri (koyu zemin) */
.cta-contact {
  position: relative; margin-top: 30px;
  display: flex; flex-wrap: wrap; justify-content: center; align-items: flex-start; gap: 10px 24px;
  font-size: 13.5px;
}
.cta-contact a, .cta-contact .cta-addr {
  display: inline-flex; align-items: flex-start; gap: 8px; line-height: 1.4;
}
.cta-contact a { color: #d2dbec; font-weight: 600; transition: color .2s; align-items: center; }
.cta-contact a:hover { color: #fb923c; }
.cta-contact .cta-addr { color: #93a1c0; max-width: 440px; text-align: left; }
.cta-contact svg { width: 16px; height: 16px; color: #fb923c; flex: none; margin-top: 1px; }

/* ═══ FOOTER ════════════════════════════════════════════════════════ */
.footer { border-top: 1px solid var(--border); padding: 48px 24px; }
.footer-inner {
  max-width: var(--content); margin: 0 auto;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  text-align: center;
}
.footer p { color: var(--mute); font-size: 13.5px; }
.footer-tag { margin-top: 2px; }
.footer-company { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--border); width: 100%; max-width: 560px; }
.footer-company h4 { font-size: 14px; font-weight: 800; color: var(--text); letter-spacing: -0.01em; }
.footer-company address {
  font-style: normal; margin-top: 6px; color: var(--mute); font-size: 13px; line-height: 1.55;
}
.footer-links { margin-top: 14px; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 22px; }
.footer-links a {
  display: inline-flex; align-items: center; gap: 7px;
  color: var(--dim); font-size: 13.5px; font-weight: 600; transition: color .2s;
}
.footer-links a:hover { color: var(--orange); }
.footer-links svg { width: 15px; height: 15px; color: var(--orange); flex: none; }
.footer .copyright { margin-top: 16px; font-size: 12.5px; }

/* ═══ REVEAL ════════════════════════════════════════════════════════ */
.reveal {
  opacity: 0; transform: translateY(26px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: var(--d, 0s);
  will-change: transform, opacity;
}
.reveal.in { opacity: 1; transform: none; }

/* ═══ RESPONSIVE ════════════════════════════════════════════════════ */
@media (max-width: 1020px) {
  .nav-links { display: none; }
  .nav-cta { margin-left: auto; }
  .hero-inner { grid-template-columns: 1fr; gap: 64px; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero-sub { max-width: 60ch; }
  .hero-visual { display: flex; justify-content: center; min-height: 340px; }
  .esl-mini-1 { right: -2%; top: -54px; }
  .esl-mini-2 { left: -2%; bottom: -48px; }
  .scene-layout { grid-template-columns: 1fr; gap: 16px; }
  .scene-stage { min-height: 0; }
  .scene-steps { min-height: 210px; }
  .scene-step { justify-content: flex-start; text-align: center; align-items: center; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento-card.span-2 { grid-column: span 2; }
  .module-grid { grid-template-columns: 1fr; }
  .arch-flow { flex-direction: column; gap: 14px; }
  .arch-link { flex-basis: 40px; width: 2px; height: 40px; align-self: center;
    background: linear-gradient(180deg, rgba(239, 90, 36, .12), rgba(239, 90, 36, .45), rgba(239, 90, 36, .12)); }
  .arch-link .pulse { left: 50%; top: 0; transform: translate(-50%, -4px); animation: flow-v 2.4s linear infinite; }
  .compare { grid-template-columns: 1fr; }
}
@keyframes flow-v {
  0% { top: 0; opacity: 0; }
  12% { opacity: 1; }
  88% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}
@media (max-width: 560px) {
  .stats-inner { grid-template-columns: 1fr 1fr; gap: 12px; }
  .bento { grid-template-columns: 1fr; }
  .bento-card.span-2 { grid-column: span 1; }
  .hero-meta { justify-content: center; }
  .nav-cta .btn-ghost { display: none; }
  .scene { height: 420vh; }
}

/* ── telefon (≤480px): kompakt boşluklar, okunur tipografi, ESL'ler tam sığsın ── */
@media (max-width: 480px) {
  section[id] { scroll-margin-top: 58px; }

  /* nav */
  .nav-inner { padding: 0 16px; gap: 10px; }
  .logo-text { font-size: 16px; }
  .logo-mark { width: 34px; height: 34px; }
  .btn { padding: 9px 15px; }

  /* hero */
  .hero { padding: calc(var(--nav-h) + 22px) 16px 36px; }
  .hero-inner { gap: 44px; }
  .hero h1 { font-size: clamp(29px, 8.6vw, 40px); }
  .hero-sub { font-size: 15px; margin-top: 18px; }
  .hero-badge { margin-bottom: 20px; }
  .hero-actions { width: 100%; margin-top: 28px; }
  .hero-actions .btn { flex: 1 1 46%; justify-content: center; }
  .hero-meta { gap: 14px 16px; margin-top: 34px; }
  .hero-meta strong { font-size: 18px; }
  .hero-meta .sep { height: 28px; }

  /* hero ESL + arkadaki mini etiketler — taşmadan sığsın */
  .hero-visual { min-height: 290px; }
  .esl[data-size="lg"] { --w: min(360px, 90vw); }
  .esl[data-size="sm"] { --w: 134px; }
  .esl-mini-1 { top: -34px; right: 1%; }
  .esl-mini-2 { bottom: -30px; left: 1%; }

  /* scroll sahnesi */
  .scene { height: 360vh; }
  .scene-sticky { padding: calc(var(--nav-h) + 6px) 16px 18px; }
  .scene-head { margin-bottom: 16px; }
  .esl[data-size="xl"] { --w: min(360px, 88vw); }
  .scene-steps { min-height: 240px; }
  .scene-step h3 { font-size: 22px; }
  .scene-step p { font-size: 14.5px; }

  /* bölümler — başlık ve dikey boşluklar */
  .section-head { margin-bottom: 34px; padding: 0 16px; }
  .section-head h2 { font-size: clamp(25px, 7.6vw, 34px); }
  .section-head p { font-size: 15px; }
  .stats { padding: 60px 16px; }
  .features, .modules, .arch, .why, .faq { padding: 44px 16px 68px; }
  .cta { padding: 26px 16px 76px; }

  /* kartlar */
  .stat { padding: 24px 12px; }
  .stat strong { font-size: clamp(28px, 8.2vw, 40px); }
  .bento-card, .module-card { padding: 20px; }
  .compare-col, .loop { padding: 22px; }
  .cta-card { padding: 46px 22px; border-radius: 12px; }
  .cta-card h2 { font-size: clamp(27px, 8vw, 40px); }
  .cta-actions { width: 100%; }
  .cta-actions .btn { flex: 1 1 auto; justify-content: center; }

  /* ESL içi Soli markası biraz küçülsün */
  .eink-soli b { font-size: 12px; }
  .esl[data-size="xl"] .eink-soli b { font-size: 13px; }
}

/* ═══ HAREKET AZALTMA ═══════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}