:root {
  --ulusis-green: #73c982;
  --ulusis-green-dark: #2f9d57;
  --ulusis-ink: #101814;
  --ulusis-surface: #ffffff;
  --ulusis-muted: #66736b;
}

html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ulusis-ink); background: #fff; font-family: "Manrope", Arial, sans-serif; line-height: 1.65; }
img { max-width: 100%; }
.site-shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 99999; padding: 10px 14px; transform: translateY(-150%); color: #fff !important; background: var(--ulusis-green-dark); }
.skip-link:focus { transform: none; }
.topbar { color: rgba(255,255,255,.74); background: #0a0f0c; font-size: 13px; }
.topbar-inner { min-height: 38px; display: flex; align-items: center; justify-content: flex-end; gap: 24px; }
.topbar a { color: inherit !important; text-decoration: none; }
.site-header { position: sticky; top: 0; z-index: 1000; color: #fff; background: rgba(16,24,20,.96); border-bottom: 1px solid rgba(255,255,255,.08); backdrop-filter: blur(12px); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.site-logo { display: block; width: 260px; flex: 0 0 auto; }
.site-logo img { display: block; width: 100%; height: auto; }
.primary-nav { display: flex; align-items: center; gap: 25px; }
.primary-nav a { color: rgba(255,255,255,.85) !important; font-size: 14px; font-weight: 600; text-decoration: none; }
.primary-nav a:hover { color: var(--ulusis-green) !important; }
.primary-nav .nav-support { padding: 11px 16px; border: 1px solid rgba(115,201,130,.45); border-radius: 9px; color: var(--ulusis-green) !important; }
.nav-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 0; border-radius: 8px; background: rgba(255,255,255,.08); }
.nav-toggle span { display: block; height: 2px; margin: 5px 0; background: #fff; }
.hero { min-height: 690px; display: grid; align-items: center; overflow: hidden; color: #fff; background: radial-gradient(circle at 78% 46%, rgba(115,201,130,.18), transparent 28%), linear-gradient(135deg,#101814 0%,#17291e 62%,#0d1510 100%); }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 64px; padding-block: 86px; }
.eyebrow { margin: 0 0 13px; color: var(--ulusis-green-dark); font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.hero .eyebrow,.section-dark .eyebrow { color: var(--ulusis-green); }
h1,h2,h3,p { overflow-wrap: break-word; }
h1 { max-width: 730px; margin: 0; font-size: clamp(42px,5.6vw,76px); line-height: 1.06; letter-spacing: -.045em; }
h2 { margin: 0 0 20px; font-size: clamp(30px,4vw,48px); line-height: 1.15; letter-spacing: -.035em; }
h3 { margin: 0 0 10px; font-size: 20px; line-height: 1.3; }
.hero-lead { max-width: 660px; margin: 24px 0 0; color: rgba(255,255,255,.7); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; padding: 0 21px; border: 1px solid transparent; border-radius: 10px; font-size: 15px; font-weight: 800; text-decoration: none; cursor: pointer; }
.button-primary { color: #0b160e !important; background: var(--ulusis-green); }
.button-primary:hover { background: #8add97; }
.button-ghost { color: #fff !important; border-color: rgba(255,255,255,.22); background: rgba(255,255,255,.04); }
.hero-points { display: flex; flex-wrap: wrap; gap: 22px; margin: 38px 0 0; padding: 0; list-style: none; color: rgba(255,255,255,.76); font-size: 14px; }
.hero-points li::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 9px; border-radius: 50%; background: var(--ulusis-green); }
.hero-visual { position: relative; min-height: 460px; }
.tech-core { position: absolute; inset: 50% auto auto 50%; width: 168px; aspect-ratio: 1; display: grid; place-items: center; transform: translate(-50%,-50%); border: 1px solid rgba(115,201,130,.35); border-radius: 50%; background: rgba(255,255,255,.055); box-shadow: 0 0 80px rgba(115,201,130,.14); }
.tech-core img { width: 114px; }
.tech-orbit { position: absolute; inset: 50% auto auto 50%; aspect-ratio: 1; transform: translate(-50%,-50%); border: 1px solid rgba(115,201,130,.15); border-radius: 50%; }
.orbit-one { width: 310px; }.orbit-two { width: 450px; }
.tech-card { position: absolute; width: 190px; padding: 16px; border: 1px solid rgba(255,255,255,.11); border-radius: 13px; background: rgba(16,24,20,.76); box-shadow: 0 18px 45px rgba(0,0,0,.25); backdrop-filter: blur(10px); }
.tech-card span { display: block; margin-bottom: 5px; color: var(--ulusis-green); font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.tech-card strong { font-size: 14px; }.card-network { top: 7%; right: 0; }.card-security { bottom: 9%; right: 5%; }.card-system { top: 44%; left: -5%; }
.section { padding-block: 104px; }
.section-heading { max-width: 760px; margin-bottom: 48px; }
.section-heading > p:last-child { max-width: 650px; color: var(--ulusis-muted); }
.service-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.service-card { min-height: 250px; padding: 30px 26px; border: 1px solid #e0e9e2; border-radius: 16px; background: #fff; box-shadow: 0 10px 35px rgba(16,24,20,.045); transition: transform .2s ease, border-color .2s ease; }
.service-card:hover { transform: translateY(-5px); border-color: var(--ulusis-green); }
.service-card p { color: var(--ulusis-muted); font-size: 14px; }
.service-icon { width: 46px; height: 46px; display: grid; place-items: center; margin-bottom: 28px; border-radius: 50%; color: #174222; background: #e8f7eb; font-size: 13px; font-weight: 800; }
.section-dark { color: #fff; background: #101814; }
.split-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; align-items: start; }
.split-grid > div:first-child > p:not(.eyebrow) { color: rgba(255,255,255,.64); }
.text-link { display: inline-block; margin-top: 18px; color: var(--ulusis-green) !important; font-weight: 800; text-decoration: none; }
.process-list { border-top: 1px solid rgba(255,255,255,.12); }
.process-list > div { display: grid; grid-template-columns: 52px 1fr; gap: 18px; padding: 24px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.process-list b { color: var(--ulusis-green); }.process-list span { color: rgba(255,255,255,.58); font-size: 14px; }.process-list strong { display: block; margin-bottom: 4px; color: #fff; font-size: 17px; }
.about-grid { display: grid; grid-template-columns: .7fr 1.3fr; align-items: center; gap: 90px; }
.about-mark { min-height: 400px; display: grid; place-items: center; border-radius: 24px; background: radial-gradient(circle,#dff5e3 0%,#f5faf6 64%); }
.about-mark img { width: min(260px,70%); filter: drop-shadow(0 22px 25px rgba(24,82,42,.18)); }
.about-grid p:not(.eyebrow) { color: var(--ulusis-muted); }
.contact-section { background: #f3f8f4; }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; }
.contact-list { display: grid; gap: 12px; margin-top: 35px; }
.contact-list a { padding: 14px 0; color: var(--ulusis-ink) !important; text-decoration: none; border-bottom: 1px solid #dbe7dd; }
.contact-list small { display: block; margin-bottom: 3px; color: var(--ulusis-muted); }.contact-list strong { font-size: 16px; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; padding: 30px; border: 1px solid #dce8df; border-radius: 18px; background: #fff; box-shadow: 0 20px 55px rgba(16,24,20,.08); }
.contact-form label { color: #354139; font-size: 13px; font-weight: 700; }.contact-form label:nth-child(4) { grid-column: 1/-1; }
.contact-form input,.contact-form textarea { width: 100%; margin-top: 7px; padding: 12px 13px; border: 1px solid #cfddd2; border-radius: 8px; color: var(--ulusis-ink); background: #fff; font: inherit; }
.contact-form input:focus,.contact-form textarea:focus { outline: 3px solid rgba(115,201,130,.25); border-color: var(--ulusis-green-dark); }
.contact-form .button { justify-self: start; border: 0; }
.site-footer { padding-top: 65px; color: rgba(255,255,255,.65); background: #0a0f0c; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 70px; }.footer-grid img { width: 260px; }.footer-grid p { max-width: 390px; font-size: 14px; }
.footer-grid strong { display: block; margin-bottom: 12px; color: #fff; }.footer-grid a { display: block; margin: 7px 0; color: rgba(255,255,255,.65) !important; font-size: 14px; text-decoration: none; }.footer-grid a:hover { color: var(--ulusis-green) !important; }
.footer-bottom { margin-top: 45px; padding-block: 20px; border-top: 1px solid rgba(255,255,255,.08); font-size: 13px; }

@media (max-width: 980px) {
  .nav-toggle { display: block; }
  .primary-nav { position: absolute; top: 100%; left: 0; right: 0; display: none; padding: 15px 20px 25px; background: #101814; border-top: 1px solid rgba(255,255,255,.08); }
  .primary-nav.is-open { display: grid; }.primary-nav a { padding: 7px 0; }
  .hero-grid,.split-grid,.about-grid,.contact-grid { grid-template-columns: 1fr; gap: 55px; }
  .hero { min-height: auto; }.hero-visual { min-height: 390px; }.service-grid { grid-template-columns: 1fr 1fr; }
  .about-mark { min-height: 300px; }.contact-grid { gap: 45px; }
}

@media (max-width: 620px) {
  .site-shell { width: min(100% - 28px,1180px); }.topbar-inner { justify-content: center; gap: 14px; }.topbar-inner span { display: none; }
  .header-inner { min-height: 72px; }.site-logo { width: 210px; }
  .hero-grid { padding-block: 64px; }.hero-visual { min-height: 330px; }.orbit-two { width: 320px; }.orbit-one { width: 240px; }.tech-core { width: 130px; }.tech-core img { width: 88px; }.tech-card { width: 150px; padding: 12px; }.card-system { left: 0; }.card-network { right: 0; }
  .section { padding-block: 72px; }.service-grid { grid-template-columns: 1fr; }.service-card { min-height: 0; }
  .contact-form { grid-template-columns: 1fr; padding: 22px; }.contact-form label:nth-child(4) { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* Marka renklerini mevcut temaya nazikçe uygular. */
a:not(.ulusis-wa-button):not(.ulusis-wa-chat),
.text-primary { color: var(--ulusis-green-dark); }

.btn-primary,
button[type="submit"],
input[type="submit"] {
  background-color: var(--ulusis-green-dark);
  border-color: var(--ulusis-green-dark);
}

.btn-primary:hover,
button[type="submit"]:hover,
input[type="submit"]:hover {
  background-color: #287f49;
  border-color: #287f49;
}

::selection { background: var(--ulusis-green); color: var(--ulusis-ink); }

.ulusis-wa-widget,
.ulusis-wa-widget * { box-sizing: border-box; }

.ulusis-wa-widget {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 2147483000;
  font-family: Arial, Helvetica, sans-serif;
}

.ulusis-wa-button {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: #25d366;
  box-shadow: 0 12px 30px rgba(16, 24, 20, .28);
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
}

.ulusis-wa-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(16, 24, 20, .35);
}

.ulusis-wa-button:focus-visible,
.ulusis-wa-close:focus-visible,
.ulusis-wa-chat:focus-visible {
  outline: 3px solid rgba(115, 201, 130, .5);
  outline-offset: 3px;
}

.ulusis-wa-panel {
  position: absolute;
  right: 0;
  bottom: 76px;
  width: min(360px, calc(100vw - 30px));
  overflow: hidden;
  border: 1px solid rgba(16, 24, 20, .12);
  border-radius: 18px;
  background: var(--ulusis-surface);
  box-shadow: 0 24px 65px rgba(16, 24, 20, .24);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(.98);
  transform-origin: bottom right;
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
}

.ulusis-wa-widget.is-open .ulusis-wa-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.ulusis-wa-head {
  position: relative;
  padding: 20px 48px 18px 20px;
  color: #fff;
  background: linear-gradient(135deg, var(--ulusis-ink), #1e3326);
}

.ulusis-wa-brand {
  display: block;
  width: 210px;
  max-width: 100%;
  height: auto;
  margin-bottom: 12px;
}

.ulusis-wa-title { margin: 0 0 5px; font-size: 18px; font-weight: 700; }
.ulusis-wa-subtitle { margin: 0; color: rgba(255,255,255,.82); font-size: 14px; line-height: 1.45; }

.ulusis-wa-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: rgba(255,255,255,.12);
  font-size: 23px;
  line-height: 1;
  cursor: pointer;
}

.ulusis-wa-body { padding: 20px; }
.ulusis-wa-message {
  margin: 0 0 16px;
  padding: 14px 15px;
  border-radius: 4px 14px 14px 14px;
  color: var(--ulusis-ink);
  background: #eef8f0;
  font-size: 15px;
  line-height: 1.5;
}

.ulusis-wa-chat {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 100%;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 12px;
  color: #fff !important;
  background: #25d366;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.ulusis-wa-chat:hover { color: #fff !important; background: #1fba59; }
.ulusis-wa-note { margin: 12px 0 0; color: var(--ulusis-muted); font-size: 12px; text-align: center; }

@media (max-width: 520px) {
  .ulusis-wa-widget { right: 14px; bottom: 14px; }
  .ulusis-wa-button { width: 58px; height: 58px; }
  .ulusis-wa-panel { bottom: 70px; }
}

@media (prefers-reduced-motion: reduce) {
  .ulusis-wa-button,
  .ulusis-wa-panel { transition: none; }
}