:root {
  --bg: #0b0d0c;
  --bg-alt: #101312;
  --surface: #151917;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f2f4f2;
  --muted: #9aa39e;
  /* Uygulamanın vurgusu #0F7A5A; koyu zeminde okunurluk için bir ton açığı. */
  --accent: #19b088;
  --accent-deep: #0f7a5a;
  --radius: 18px;
  --container: 1180px;
  --display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --body: 'Figtree', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

h1,
h2,
h3,
p,
ul,
ol,
figure {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.skip {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--accent);
  color: #04130d;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
}
.skip:focus {
  top: 16px;
}

/* ---------- Tipografi ---------- */
.eyebrow {
  color: var(--accent);
  font: 700 13px/1.2 var(--body);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.display {
  font: 800 clamp(56px, 9vw, 116px) / 0.9 var(--display);
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.display--md {
  font-size: clamp(44px, 6.5vw, 84px);
}

.title {
  font: 800 clamp(38px, 5vw, 60px) / 0.95 var(--display);
  text-transform: uppercase;
}

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

.lead {
  color: var(--muted);
  font-size: clamp(17px, 1.6vw, 19px);
  max-width: 34em;
}

/* ---------- Düğmeler ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 26px;
  border-radius: 999px;
  font: 700 15px/1 var(--body);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  transition:
    background-color 0.2s,
    border-color 0.2s,
    color 0.2s,
    transform 0.2s;
}
.btn:active {
  transform: translateY(1px);
}
.btn--solid {
  background: var(--accent);
  color: #04130d;
}
.btn--solid:hover {
  background: #22c79b;
}
.btn--ghost {
  border-color: var(--line-strong);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn--sm {
  min-height: 42px;
  padding: 0 18px;
  font-size: 13px;
}
.btn--lg {
  min-height: 60px;
  padding: 0 36px;
  font-size: 16px;
}
.icon {
  width: 18px;
  height: 18px;
}

/* ---------- Üst çubuk ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  transition:
    background-color 0.25s,
    border-color 0.25s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled,
.nav.is-open {
  background: rgba(11, 13, 12, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand__mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--accent);
  border-radius: 10px;
  color: var(--accent);
  font: 800 19px/1 var(--display);
}
.brand__name {
  font: 800 22px/1 var(--display);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav__links a:not(.btn) {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color 0.2s;
}
.nav__links a:not(.btn):hover {
  color: var(--text);
}

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: none;
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
  transition: transform 0.25s;
}
.nav.is-open .nav__toggle span:first-child {
  transform: translateY(3px) rotate(45deg);
}
.nav.is-open .nav__toggle span:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

/* ---------- Giriş ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 120px 0 90px;
  background:
    radial-gradient(60% 50% at 78% 40%, rgba(25, 176, 136, 0.16), transparent 70%), var(--bg);
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
}
.hero__text .lead {
  margin-top: 28px;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}
.hero__photo {
  aspect-ratio: 3 / 4;
  max-height: 78svh;
  justify-self: end;
  width: 100%;
  max-width: 500px;
}
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
}
.hero__scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 28px;
  margin: 10px auto 0;
  background: linear-gradient(var(--muted), transparent);
}

/* Fotoğraf + yer tutucu: görsel yoksa (onerror) yer tutucu görünür. */
.photo {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
}
.photo img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.08);
}
.photo__placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background:
    radial-gradient(80% 60% at 50% 30%, rgba(25, 176, 136, 0.22), transparent 70%),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 14px),
    linear-gradient(180deg, #161b19, #0d100f);
}
.photo__placeholder span {
  font: 800 clamp(120px, 18vw, 220px) / 1 var(--display);
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(25, 176, 136, 0.55);
  letter-spacing: -0.02em;
}

/* ---------- Kayan yetkinlik şeridi ---------- */
.ticker {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--bg-alt);
  padding: 20px 0;
}
.ticker__track {
  display: flex;
  width: max-content;
  gap: 56px;
  animation: ticker 38s linear infinite;
}
.ticker li {
  display: flex;
  align-items: center;
  gap: 56px;
  white-space: nowrap;
  font: 700 22px/1 var(--display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.ticker li::after {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

/* ---------- Bölümler ---------- */
.section {
  padding: clamp(80px, 11vw, 140px) 0;
}
.section--alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--line);
}
.section__head {
  max-width: 720px;
  margin-bottom: 56px;
}
.section__lead {
  color: var(--muted);
  margin-top: 22px;
  max-width: 36em;
}

/* Süreç */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  counter-reset: none;
}
.step {
  padding: 34px 30px 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.step__num {
  display: block;
  font: 800 64px/1 var(--display);
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent);
  margin-bottom: 26px;
}
.step h3,
.features h3,
.plan h3 {
  font: 700 26px/1.05 var(--display);
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
.step p {
  color: var(--muted);
  margin-top: 12px;
}

/* Uygulama */
.app {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 64px;
}
.features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 32px;
  margin-top: 44px;
}
.features li {
  padding-top: 18px;
  border-top: 1px solid var(--line-strong);
}
.features h3 {
  font-size: 22px;
}
.features p {
  color: var(--muted);
  font-size: 15px;
  margin-top: 8px;
}

.phone {
  justify-self: center;
  width: min(320px, 100%);
  padding: 12px;
  border-radius: 46px;
  background: linear-gradient(160deg, #2a302d, #121513);
  box-shadow:
    0 40px 80px -30px rgba(0, 0, 0, 0.8),
    0 0 0 1px rgba(255, 255, 255, 0.06),
    0 0 120px -20px rgba(25, 176, 136, 0.25);
}
.phone__screen {
  display: grid;
  gap: 10px;
  padding: 14px 16px 22px;
  border-radius: 36px;
  background: #f4f5f3;
  color: #121513;
  font-family: var(--body);
}
.phone__status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  font-weight: 700;
  padding: 2px 8px 8px;
}
.phone__notch {
  width: 84px;
  height: 22px;
  border-radius: 999px;
  background: #121513;
  margin-right: 34%;
}
.phone__hello {
  font-size: 22px;
  font-weight: 700;
  padding: 0 4px;
}
.phone__date {
  font-size: 12px;
  color: #6b736f;
  margin-top: -8px;
  padding: 0 4px;
}
.phone__card {
  padding: 14px;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}
.phone__card--accent {
  background: var(--accent-deep);
  color: #fff;
}
.phone__label {
  font-size: 11px;
  font-weight: 600;
  opacity: 0.7;
}
.phone__big {
  font-size: 22px;
  font-weight: 700;
  margin-top: 2px;
}
.phone__meta {
  font-size: 12px;
  opacity: 0.8;
}
.phone__btn {
  display: inline-block;
  margin-top: 12px;
  padding: 7px 16px;
  border-radius: 999px;
  background: #fff;
  color: var(--accent-deep);
  font-size: 12px;
  font-weight: 700;
}
.phone__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.phone__num {
  font-size: 18px;
  font-weight: 700;
  margin: 2px 0 8px;
}
.phone__num small {
  font-size: 11px;
  color: #6b736f;
  font-weight: 600;
}
.phone__bar {
  display: block;
  height: 6px;
  border-radius: 99px;
  background: #e6e9e7;
  overflow: hidden;
}
.phone__bar i {
  display: block;
  height: 100%;
  background: var(--accent-deep);
  border-radius: inherit;
}
.phone__chart {
  width: 100%;
  height: 46px;
  margin-top: 8px;
  color: var(--accent-deep);
}

/* Hakkımda */
.about {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: center;
  gap: 64px;
}
.about__photo {
  aspect-ratio: 4 / 5;
}
.about__text > p:not(.eyebrow) {
  color: var(--muted);
  margin-top: 20px;
  max-width: 34em;
}
.about__text .title + p {
  margin-top: 26px;
}
.creds {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}
.creds li {
  padding: 9px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
}

/* Paketler */
.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}
.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 36px 30px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.plan--featured {
  border-color: var(--accent);
  background:
    radial-gradient(90% 60% at 50% 0%, rgba(25, 176, 136, 0.14), transparent 70%), var(--surface);
}
.plan__tag {
  position: absolute;
  top: -13px;
  left: 30px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--accent);
  color: #04130d;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.plan h3 {
  font-size: 32px;
}
.plan__desc {
  color: var(--muted);
  margin-top: 10px;
  font-size: 15px;
}
.plan ul {
  display: grid;
  gap: 12px;
  margin: 28px 0 32px;
  flex: 1;
}
.plan li {
  position: relative;
  padding-left: 30px;
  font-size: 15px;
}
.plan li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='%2304130d' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")
      center / 12px no-repeat,
    var(--accent);
}
.plan .btn {
  width: 100%;
}

/* Kapanış */
.cta {
  padding: clamp(90px, 12vw, 150px) 0;
  text-align: center;
  background:
    radial-gradient(50% 70% at 50% 100%, rgba(25, 176, 136, 0.2), transparent 70%), var(--bg);
}
.cta__inner {
  display: grid;
  justify-items: center;
  gap: 26px;
}

/* Alt bilgi */
.footer {
  border-top: 1px solid var(--line);
  padding: 34px 0;
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.footer__links {
  display: flex;
  gap: 26px;
}
.footer__links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}
.footer__links a:hover {
  color: var(--text);
}
.footer__copy {
  color: var(--muted);
  font-size: 14px;
}

/* ---------- Duyarlı yerleşim ---------- */
@media (max-width: 960px) {
  .hero__inner,
  .app,
  .about {
    grid-template-columns: 1fr;
  }
  .hero {
    min-height: auto;
    padding-top: 112px;
  }
  .hero__photo {
    justify-self: center;
    max-width: 440px;
  }
  .hero__scroll {
    display: none;
  }
  .steps,
  .plans {
    grid-template-columns: 1fr;
  }
  .plans {
    max-width: 520px;
    margin: 0 auto;
    gap: 28px;
  }
  .about__photo {
    max-width: 440px;
  }
}

@media (max-width: 820px) {
  .nav__toggle {
    display: block;
  }
  .nav__links {
    position: fixed;
    inset: 72px 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 24px;
    background: rgba(11, 13, 12, 0.97);
    border-bottom: 1px solid var(--line);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition:
      opacity 0.2s,
      transform 0.2s,
      visibility 0.2s;
  }
  .nav.is-open .nav__links {
    transform: none;
    opacity: 1;
    visibility: visible;
  }
  .nav__links a:not(.btn) {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
    font-size: 15px;
  }
  .nav__cta {
    margin-top: 18px;
    min-height: 50px;
  }
}

@media (max-width: 560px) {
  .container {
    padding: 0 16px;
  }
  body {
    font-size: 16px;
  }
  .features {
    grid-template-columns: 1fr;
  }
  .hero__actions .btn {
    flex: 1 1 100%;
  }
  .brand__name {
    font-size: 20px;
  }
  .step,
  .plan {
    padding-inline: 22px;
  }
  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .ticker__track {
    animation: none;
  }
  * {
    transition: none !important;
  }
}