:root {
  --background: #f7f8fa;
  --surface: #ffffff;
  --surface-soft: #f0f3f6;

  --text: #111827;
  --muted: #667085;

  --accent: #0f766e;
  --accent-dark: #0b5f59;

  --border: rgba(17, 24, 39, 0.08);

  --radius-large: 32px;
  --radius-medium: 22px;

  --shadow:
    0 24px 70px rgba(17, 24, 39, 0.08);
}


* {
  box-sizing: border-box;
}


html {
  scroll-behavior: smooth;
}


body {
  margin: 0;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  background: var(--background);
  color: var(--text);

  line-height: 1.5;

  -webkit-font-smoothing: antialiased;
}


a {
  color: inherit;
  text-decoration: none;
}


button {
  font: inherit;
}


.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}


/* HEADER */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;

  background: rgba(247, 248, 250, 0.88);
  backdrop-filter: blur(18px);

  border-bottom: 1px solid var(--border);
}


.header-inner {
  min-height: 76px;

  display: flex;
  align-items: center;
  justify-content: space-between;
}


.brand {
  display: flex;
  align-items: center;
  gap: 12px;

  font-weight: 750;
  letter-spacing: -0.02em;
}


.brand-logo {
  width: 42px;
  height: 42px;

  display: block;
  flex: 0 0 auto;

  object-fit: contain;
  border-radius: 12px;
}


.brand-name {
  font-size: 17px;
}


.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;

  color: var(--muted);

  font-size: 14px;
  font-weight: 600;
}


.main-nav a:hover {
  color: var(--text);
}


/* HERO */

.hero {
  padding: 108px 0 120px;
}


.hero-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;

  gap: 54px;
  align-items: center;
}


.eyebrow {
  display: inline-block;

  margin-bottom: 22px;

  color: var(--accent);

  font-size: 13px;
  font-weight: 750;

  letter-spacing: 0.12em;
  text-transform: uppercase;
}


.hero h1 {
  margin: 0;

  max-width: 760px;

  font-size: clamp(52px, 6.8vw, 92px);
  line-height: 0.98;

  letter-spacing: -0.065em;
}


.hero h1 span {
  color: var(--accent);
}


.hero-description {
  max-width: 560px;

  margin: 34px 0 0;

  color: var(--muted);

  font-size: 20px;
  line-height: 1.7;
}


.hero-actions {
  margin-top: 40px;

  display: flex;
  align-items: center;
  gap: 26px;
}


.store-button {
  min-width: 190px;

  padding: 15px 19px;

  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;

  border: 0;
  border-radius: 16px;

  background: var(--text);
  color: white;

  cursor: default;
}


.store-button span {
  margin-top: 2px;

  opacity: 0.65;

  font-size: 11px;
}


.text-link {
  color: var(--muted);

  font-size: 14px;
  font-weight: 650;
}


.text-link:hover {
  color: var(--text);
}


/* REAL APP SCREENSHOT */

.hero-visual {
  display: flex;
  justify-content: flex-start;
}


.app-screenshot-frame {
  width: min(100%, 720px);

  margin: 0;
  padding: 8px;

  overflow: hidden;

  border: 1px solid var(--border);
  border-radius: 24px;

  background: #0b1726;

  box-shadow:
    0 26px 70px rgba(17, 24, 39, 0.12);

  transform: translateX(-10px) rotate(0.6deg);
}


.screenshot-bar {
  height: 24px;

  padding: 0 8px;

  display: flex;
  align-items: center;
  gap: 6px;
}


.screenshot-bar span {
  width: 7px;
  height: 7px;

  display: block;

  border-radius: 999px;

  background: rgba(255, 255, 255, 0.28);
}


.app-screenshot {
  width: 100%;
  height: auto;

  display: block;

  border-radius: 17px;
}


/* SECTIONS */

.features {
  padding: 120px 0;

  background: var(--surface);
}


.section-heading {
  max-width: 680px;
}


.section-heading h2,
.how-it-works h2,
.download-section h2 {
  margin: 0;

  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.05;

  letter-spacing: -0.055em;
}


.feature-grid {
  margin-top: 72px;

  display: grid;
  grid-template-columns: repeat(3, 1fr);

  gap: 20px;
}


.feature-card {
  min-height: 260px;

  padding: 32px;

  border: 1px solid var(--border);
  border-radius: var(--radius-medium);

  background: var(--surface-soft);
}


.feature-number {
  color: var(--accent);

  font-size: 12px;
  font-weight: 750;
}


.feature-card h3 {
  margin: 80px 0 12px;

  font-size: 24px;
  letter-spacing: -0.035em;
}


.feature-card p {
  margin: 0;

  max-width: 280px;

  color: var(--muted);

  line-height: 1.7;
}


/* HOW */

.how-it-works {
  padding: 130px 0;
}


.how-inner {
  display: grid;
  grid-template-columns: 1fr 0.8fr;

  gap: 100px;
}


.how-copy {
  padding-top: 54px;
}


.how-copy p {
  margin: 0 0 26px;

  color: var(--muted);

  font-size: 18px;
  line-height: 1.8;
}


/* DOWNLOAD */

.download-section {
  padding: 54px 0 118px;
}

.platform-panel {
  position: relative;
  overflow: hidden;
  padding: 70px 72px 64px;

  border: 1px solid rgba(17, 24, 39, 0.06);
  border-radius: 36px;

  background:
    radial-gradient(circle at 92% 6%, rgba(15, 118, 110, 0.08), transparent 30%),
    linear-gradient(145deg, #ffffff 0%, #f7f9f9 100%);

  box-shadow: 0 30px 90px rgba(17, 24, 39, 0.065);
}

.platform-panel::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -190px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  border: 1px solid rgba(15, 118, 110, 0.07);
  pointer-events: none;
}

.platform-heading {
  max-width: 760px;
}

.platform-heading .eyebrow {
  margin-bottom: 15px;
}

.platform-heading h2 {
  max-width: 720px;
  letter-spacing: -0.045em;
}

.platform-heading p {
  max-width: 600px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.platform-cards {
  position: relative;
  z-index: 1;
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.platform-card {
  position: relative;
  min-height: 236px;
  height: 100%;
  padding: 28px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.055);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.platform-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 28px;
  right: 28px;
  height: 2px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.18);
  pointer-events: none;
}

.platform-card::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  right: -88px;
  top: -96px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15,118,110,.06), transparent 68%);
  pointer-events: none;
}

.platform-card-primary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 92% 8%, rgba(92, 225, 207, 0.13), transparent 30%),
    linear-gradient(150deg, #102033 0%, #1c3853 100%);
  box-shadow: 0 26px 64px rgba(15, 23, 42, 0.20);
}

.platform-card-primary::before {
  background: linear-gradient(90deg, #62ddcf, rgba(98, 221, 207, 0.18));
}

.platform-card-coming {
  color: #24364b;
}

.platform-card:hover {
  transform: translateY(-3px);
  border-color: rgba(15, 118, 110, 0.16);
  box-shadow: 0 24px 58px rgba(15, 23, 42, 0.085);
}

.platform-card-primary:hover {
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 32px 72px rgba(15, 23, 42, 0.23);
}

.platform-card-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  gap: 18px;
}

.platform-icon {
  width: 54px;
  height: 54px;
  flex: 0 0 54px;
  display: grid;
  place-items: center;
  border-radius: 17px;
  background: #f1f7f6;
  color: #0f766e;
  box-shadow: inset 0 0 0 1px rgba(15, 118, 110, 0.07);
}

.platform-card-primary .platform-icon {
  background: rgba(255, 255, 255, 0.09);
  color: #78e4d7;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.055);
}

.windows-icon {
  grid-template-columns: repeat(2, 10px);
  grid-template-rows: repeat(2, 10px);
  gap: 2px;
}

.windows-icon i {
  width: 10px;
  height: 10px;
  display: block;
  background: currentColor;
}

.platform-glyph {
  display: block;
  font-weight: 800;
  letter-spacing: -0.045em;
}

.android-icon .platform-glyph {
  font-size: 18px;
}

.ios-icon .platform-glyph {
  font-size: 12px;
}

.platform-status {
  position: relative;
  z-index: 1;
  min-width: 72px;
  padding: 8px 11px;
  border: 1px solid rgba(15, 118, 110, 0.09);
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.055);
  color: #51736f;
  font-size: 9px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: 0.105em;
  text-align: center;
  text-transform: uppercase;
}

.platform-status-live {
  border-color: rgba(115, 230, 216, 0.13);
  background: rgba(115, 230, 216, 0.11);
  color: #8cebdd;
}

.platform-card-copy {
  position: relative;
  z-index: 1;
  margin-top: auto;
  padding-top: 36px;
  padding-right: 22px;
}

.platform-kicker {
  display: block;
  margin-bottom: 8px;
  color: #798594;
  font-size: 12px;
  font-weight: 650;
}

.platform-card-primary .platform-kicker {
  color: rgba(255, 255, 255, 0.57);
}

.platform-card strong {
  display: block;
  color: #25384e;
  font-size: 23px;
  line-height: 1.15;
  font-weight: 760;
  letter-spacing: -0.035em;
}

.platform-card-primary strong {
  color: #ffffff;
}

.platform-card p {
  margin: 10px 0 0;
  color: #7a8695;
  font-size: 13px;
  line-height: 1.5;
}

.platform-card-primary p {
  color: rgba(255, 255, 255, 0.64);
}

.platform-arrow {
  position: absolute;
  right: 27px;
  bottom: 25px;
  z-index: 1;
  color: rgba(15, 118, 110, 0.32);
  font-size: 17px;
  line-height: 1;
}

.platform-card-primary .platform-arrow {
  color: rgba(255, 255, 255, 0.40);
}


/* FOOTER */

.site-footer {
  padding: 20px 0 34px;
}


.footer-inner {
  padding: 50px 0;

  display: flex;
  justify-content: space-between;

  border-top: 1px solid var(--border);
}


.footer-inner strong {
  font-size: 18px;
}


.footer-inner p {
  margin: 8px 0 0;

  color: var(--muted);
}


.footer-links {
  display: flex;
  gap: 26px;

  color: var(--muted);

  font-size: 14px;
}


.footer-links a:hover {
  color: var(--text);
}


.copyright {
  color: var(--muted);

  font-size: 12px;
}


/* RESPONSIVE */

@media (max-width: 860px) {

  .container {
    width: min(100% - 32px, 1180px);
  }


  .main-nav {
    display: none;
  }


  .hero {
    padding: 72px 0 84px;
  }


  .hero-inner {
    grid-template-columns: 1fr;

    gap: 64px;
  }


  .hero-description {
    font-size: 18px;
  }


  .hero-actions {
    align-items: flex-start;
    flex-direction: column;

    gap: 18px;
  }


  .app-screenshot-frame {
    width: 100%;
    transform: none;
  }


  .features {
    padding: 90px 0;
  }


  .feature-grid {
    grid-template-columns: 1fr;

    margin-top: 48px;
  }


  .feature-card {
    min-height: 220px;
  }


  .feature-card h3 {
    margin-top: 54px;
  }


  .how-it-works {
    padding: 90px 0;
  }


  .how-inner {
    grid-template-columns: 1fr;

    gap: 30px;
  }


  .how-copy {
    padding-top: 0;
  }


  .platform-panel {
    padding: 42px;
  }


  .platform-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }


  .platform-card {
    min-height: 196px;
  }


  .footer-inner {
    gap: 30px;

    flex-direction: column;
  }


  .footer-links {
    flex-wrap: wrap;
  }

}


@media (max-width: 480px) {

  .hero h1 {
    font-size: 48px;
  }


  .hero-description {
    font-size: 17px;
  }


  .feature-card {
    padding: 26px;
  }


  .platform-panel {
    padding: 30px 22px;
    border-radius: 26px;
  }


  .platform-cards {
    margin-top: 34px;
    grid-template-columns: 1fr;
  }


  .platform-card {
    min-height: 184px;
    padding: 24px;
    border-radius: 23px;
  }

}


/* Fazla Ödeme — Kurumsal Sayfalar / Rev10 */
:root {
  --fo-ink: #16243a;
  --fo-muted: #6f7b8c;
  --fo-line: rgba(22, 36, 58, 0.10);
  --fo-accent: #0f766e;
  --fo-soft: #f6faf9;
}

.site-subpage {
  background:
    radial-gradient(circle at 85% 10%, rgba(20, 184, 166, 0.06), transparent 34%),
    #ffffff;
  color: var(--fo-ink);
  min-height: 100vh;
}

.subpage-main {
  max-width: 980px;
  margin: 0 auto;
  padding: 92px 24px 80px;
}

.subpage-hero {
  max-width: 760px;
  margin-bottom: 48px;
}

.subpage-kicker {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--fo-accent);
  font-size: 12px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.subpage-title {
  margin: 0 0 18px;
  font-size: clamp(38px, 6vw, 66px);
  line-height: .98;
  letter-spacing: -0.04em;
}

.subpage-lead {
  max-width: 680px;
  margin: 0;
  color: var(--fo-muted);
  font-size: 18px;
  line-height: 1.75;
}

.content-sheet {
  background: rgba(255,255,255,.88);
  border: 1px solid var(--fo-line);
  border-radius: 28px;
  padding: 34px;
  box-shadow: 0 22px 60px rgba(20, 34, 54, 0.07);
}

.content-sheet section + section {
  margin-top: 34px;
  padding-top: 30px;
  border-top: 1px solid var(--fo-line);
}

.content-sheet h2 {
  margin: 0 0 12px;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.content-sheet p,
.content-sheet li {
  color: var(--fo-muted);
  line-height: 1.75;
}

.content-sheet ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

.notice-box {
  margin-top: 26px;
  padding: 20px 22px;
  border-radius: 18px;
  background: var(--fo-soft);
  border: 1px solid rgba(15,118,110,.12);
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 26px;
}

.support-card {
  border: 1px solid var(--fo-line);
  border-radius: 22px;
  padding: 24px;
  background: rgba(255,255,255,.92);
}

.support-card h2 {
  margin: 0 0 8px;
}

.support-card p {
  margin: 0 0 16px;
}

.support-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--fo-accent);
  font-weight: 750;
  text-decoration: none;
}

.support-link:hover {
  text-decoration: underline;
}

.subpage-meta {
  margin-top: 18px;
  color: #8a94a4;
  font-size: 13px;
}

.subpage-back {
  display: inline-flex;
  margin-top: 36px;
  color: var(--fo-ink);
  font-weight: 700;
  text-decoration: none;
}

.subpage-back:hover {
  color: var(--fo-accent);
}

@media (max-width: 720px) {
  .subpage-main {
    padding: 72px 18px 56px;
  }
  .content-sheet {
    padding: 24px 20px;
    border-radius: 22px;
  }
  .support-grid {
    grid-template-columns: 1fr;
  }
}