:root {
  --forest-950: #0b2923;
  --forest-900: #12372f;
  --forest-800: #173f35;
  --forest-700: #24584a;
  --forest-600: #367261;
  --sage-200: #cfdbc5;
  --sage-100: #e7ecdc;
  --cream-50: #fbfaf5;
  --cream-100: #f5f2e8;
  --cream-200: #eae4d4;
  --amber-400: #e6b44a;
  --amber-500: #d99c26;
  --ink: #17221f;
  --muted: #58645f;
  --white: #fff;
  --line: rgba(23, 63, 53, .14);
  --shadow: 0 24px 60px rgba(14, 45, 37, .12);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background: var(--cream-50);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::selection { background: var(--amber-400); color: var(--forest-950); }

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: .2em; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

h1, h2, h3 {
  color: var(--forest-950);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  letter-spacing: -.035em;
  line-height: 1.08;
  text-wrap: balance;
  overflow-wrap: break-word;
}

h1 { margin: 0 0 24px; font-size: clamp(2.8rem, 7vw, 5.8rem); }
h2 { margin: 0 0 20px; font-size: clamp(2.1rem, 4vw, 3.6rem); }
h3 { margin: 0 0 12px; font-size: clamp(1.25rem, 2vw, 1.55rem); }
p { margin: 0 0 20px; }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: clamp(76px, 10vw, 132px) 0; }
.section-tight { padding: clamp(56px, 7vw, 92px) 0; }
.section-soft { background: var(--cream-100); }
.section-dark { color: rgba(255, 255, 255, .78); background: var(--forest-950); }
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-dark .lead { color: rgba(255, 255, 255, .72); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 999;
  padding: 10px 16px;
  color: var(--white);
  background: var(--forest-950);
  border-radius: 8px;
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 250, 245, .92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--forest-950);
  font-size: 1.1rem;
  text-decoration: none;
  white-space: nowrap;
}

.brand-logo {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  object-fit: contain;
}

.site-nav { display: flex; align-items: center; gap: clamp(16px, 2vw, 28px); }
.site-nav > a:not(.button) { color: #30413c; font-size: .92rem; font-weight: 650; text-decoration: none; }
.site-nav > a:not(.button):hover, .site-nav > a[aria-current="page"] { color: var(--forest-700); }
.site-nav > a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--amber-500); text-decoration-thickness: 2px; }

.menu-toggle { display: none; width: 46px; height: 42px; padding: 10px; background: transparent; border: 1px solid var(--line); border-radius: 10px; }
.menu-toggle span:not(.sr-only) { display: block; height: 2px; margin: 4px 0; background: var(--forest-950); border-radius: 4px; }

.button-row { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  color: var(--white);
  background: var(--forest-800);
  border: 1px solid var(--forest-800);
  border-radius: 999px;
  box-shadow: 0 8px 22px rgba(23, 63, 53, .16);
  font-size: .96rem;
  font-weight: 750;
  line-height: 1.2;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}

.button:hover { background: var(--forest-700); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(23, 63, 53, .22); }
.button-small { min-height: 42px; padding: 10px 18px; font-size: .88rem; }
.button-secondary { color: var(--forest-900); background: transparent; border-color: rgba(23, 63, 53, .35); box-shadow: none; }
.button-secondary:hover { color: var(--white); }
.button-light { color: var(--forest-950); background: var(--white); border-color: var(--white); }
.button-light:hover { color: var(--white); background: transparent; }

.text-link { color: var(--forest-800); font-weight: 750; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.text-link-light { color: var(--white); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--forest-700);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .15em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--amber-500); }
.eyebrow-light { color: var(--sage-100); }
.lead { max-width: 720px; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.28rem); line-height: 1.65; }
.section-heading { max-width: 800px; margin-bottom: 48px; }
.section-heading.center { margin-inline: auto; text-align: center; }

.hero {
  position: relative;
  min-height: min(780px, calc(100vh - 76px));
  display: grid;
  align-items: center;
  color: var(--white);
  background: var(--forest-950);
  isolation: isolate;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: url("../images/suru-yonetimi-hero.webp") center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(8, 35, 29, .96) 0%, rgba(8, 35, 29, .82) 38%, rgba(8, 35, 29, .2) 72%, rgba(8, 35, 29, .08) 100%);
}

.hero-content { width: min(690px, 62%); padding: 84px 0 72px; }
.hero h1 { color: var(--white); }
.hero .lead { color: rgba(255, 255, 255, .82); max-width: 620px; }
.hero .eyebrow { color: #dbe7c8; }
.hero .button-secondary { color: var(--white); border-color: rgba(255, 255, 255, .42); }
.hero .button-secondary:hover { border-color: var(--white); background: rgba(255, 255, 255, .1); }

.hero-points { display: flex; flex-wrap: wrap; gap: 10px 24px; margin: 30px 0 0; padding: 0; list-style: none; color: rgba(255, 255, 255, .8); font-size: .9rem; }
.hero-points li::before { content: "✓"; margin-right: 8px; color: var(--amber-400); font-weight: 900; }

.trust-bar { background: var(--forest-900); color: rgba(255, 255, 255, .78); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 24px 28px; border-right: 1px solid rgba(255, 255, 255, .1); }
.trust-item:first-child { padding-left: 0; }
.trust-item:last-child { border: 0; }
.trust-item strong { display: block; color: var(--white); font-family: Georgia, serif; font-size: 1.25rem; }
.trust-item span { font-size: .84rem; }

.intro-grid, .split-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(44px, 8vw, 110px); align-items: center; }
.split-grid.reverse { grid-template-columns: 1.1fr .9fr; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card {
  position: relative;
  min-height: 270px;
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: transform .2s ease, box-shadow .2s ease;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.feature-card .number { display: block; margin-bottom: 34px; color: var(--amber-500); font-family: Georgia, serif; font-size: 1.15rem; font-weight: 700; }
.feature-card p { margin: 0; color: var(--muted); font-size: .96rem; }
.feature-card a { display: inline-block; margin-top: 18px; color: var(--forest-700); font-size: .9rem; font-weight: 750; text-decoration: none; }

.check-list { display: grid; gap: 15px; margin: 28px 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 34px; color: #34433e; }
.check-list li::before { content: "✓"; position: absolute; top: 1px; left: 0; width: 23px; height: 23px; display: grid; place-items: center; color: var(--forest-800); background: var(--sage-100); border-radius: 50%; font-size: .75rem; font-weight: 900; }

.problem-stack { display: grid; gap: 14px; }
.problem-item { padding: 20px 22px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.problem-item strong { display: block; margin-bottom: 4px; color: var(--forest-950); }
.problem-item span { color: var(--muted); font-size: .92rem; }

.flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; counter-reset: flow; }
.flow-item { position: relative; padding-top: 72px; counter-increment: flow; }
.flow-item::before { content: "0" counter(flow); position: absolute; top: 0; left: 0; color: var(--amber-400); font-family: Georgia, serif; font-size: 2.7rem; line-height: 1; }
.flow-item:not(:last-child)::after { content: ""; position: absolute; top: 20px; left: 76px; right: 0; height: 1px; background: rgba(255, 255, 255, .2); }
.flow-item p { margin: 0; }

.audience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.audience-card { position: relative; overflow: hidden; padding: 42px; background: var(--sage-100); border-radius: var(--radius-lg); }
.audience-card:nth-child(2) { background: var(--cream-200); }
.audience-card p { color: var(--muted); }
.audience-card .text-link { display: inline-block; margin-top: 12px; }

.quote-card { padding: clamp(30px, 5vw, 54px); color: var(--white); background: var(--forest-800); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.quote-card blockquote { margin: 0 0 28px; font-family: Georgia, serif; font-size: clamp(1.45rem, 3vw, 2.2rem); line-height: 1.35; }
.quote-card p { margin: 0; color: rgba(255, 255, 255, .68); font-size: .9rem; }

.faq-list { max-width: 900px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 24px 52px 24px 0; color: var(--forest-950); cursor: pointer; font-family: Georgia, serif; font-size: 1.22rem; font-weight: 700; line-height: 1.35; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; top: 19px; right: 4px; width: 32px; height: 32px; display: grid; place-items: center; color: var(--forest-800); background: var(--sage-100); border-radius: 50%; font-family: system-ui, sans-serif; font-weight: 500; }
.faq-list details[open] summary::after { content: "−"; }
.faq-answer { max-width: 760px; padding: 0 0 24px; color: var(--muted); }
.faq-answer p:last-child { margin-bottom: 0; }

.store-panel { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; padding: 40px; background: var(--cream-100); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.store-panel h2 { font-size: clamp(1.8rem, 3vw, 2.7rem); }
.store-panel p { margin: 0; color: var(--muted); }
.store-links { display: flex; flex-wrap: wrap; gap: 10px; }
.store-links a { min-width: 160px; display: flex; align-items: center; gap: 11px; padding: 10px 14px; color: var(--white); background: #111; border: 1px solid rgba(255, 255, 255, .2); border-radius: 10px; text-decoration: none; line-height: 1.05; }
.store-links a:hover { background: #292929; }
.store-links small { display: block; margin-bottom: 4px; color: rgba(255, 255, 255, .7); font-size: .65rem; }
.store-icon { width: 25px; display: grid; place-items: center; font-size: 1.25rem; }
.store-icon.apple { font-size: 1.5rem; }

.final-cta { padding: clamp(64px, 8vw, 96px) 0; color: rgba(255, 255, 255, .76); background: var(--forest-700); }
.final-cta-inner { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: center; }
.final-cta h2 { max-width: 800px; margin-bottom: 12px; color: var(--white); font-size: clamp(2rem, 4vw, 3.3rem); }
.final-cta p { margin: 0; }

.site-footer { padding: 70px 0 24px; color: rgba(255, 255, 255, .66); background: var(--forest-950); }
.footer-grid { display: grid; grid-template-columns: 1.5fr .8fr .7fr 1fr; gap: 50px; padding-bottom: 52px; }
.brand-footer { margin-bottom: 18px; color: var(--white); }
.brand-footer .brand-logo { width: 58px; height: 58px; padding: 3px; background: var(--white); border-radius: 14px; }
.footer-about > p { max-width: 360px; font-size: .9rem; }
.footer-about .disclosure { color: rgba(255, 255, 255, .46); font-size: .78rem; }
.site-footer h2 { margin-bottom: 18px; color: var(--white); font-family: inherit; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; }
.footer-links { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.footer-links a { font-size: .88rem; text-decoration: none; }
.footer-links a:hover { color: var(--white); }
.site-footer .store-links { display: grid; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: .78rem; }
.footer-bottom p { margin: 0; }

.page-hero { padding: clamp(68px, 9vw, 112px) 0; background: var(--cream-100); border-bottom: 1px solid var(--line); }
.page-hero .container { max-width: 960px; }
.page-hero h1 { max-width: 900px; font-size: clamp(2.7rem, 6vw, 5.2rem); }
.page-hero .lead { max-width: 780px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; color: var(--muted); font-size: .82rem; }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs a:hover { color: var(--forest-700); }
.breadcrumbs span[aria-hidden="true"] { color: #9aa29f; }

.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 80px; align-items: start; }
.prose { max-width: 790px; }
.prose h2 { margin-top: 64px; font-size: clamp(1.9rem, 3vw, 2.8rem); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 36px; }
.prose p, .prose li { color: #3e4d48; }
.prose ul, .prose ol { padding-left: 24px; }
.prose li { margin-bottom: 10px; padding-left: 5px; }
.prose .callout { margin: 42px 0; padding: 28px; background: var(--sage-100); border-left: 4px solid var(--forest-700); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.prose .callout strong { color: var(--forest-950); }
.prose .callout p:last-child { margin-bottom: 0; }
.side-nav { position: sticky; top: 108px; padding: 24px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-md); }
.side-nav h2 { margin-bottom: 16px; font-family: inherit; font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; }
.side-nav ol { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.side-nav a { display: block; padding: 8px 0; color: var(--muted); font-size: .86rem; line-height: 1.4; text-decoration: none; }
.side-nav a:hover { color: var(--forest-700); }
.side-nav .button { margin-top: 20px; color: var(--white); text-align: center; }

.mini-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 34px 0; }
.mini-card { padding: 24px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.mini-card h3 { font-family: inherit; font-size: 1rem; letter-spacing: 0; }
.mini-card p { margin: 0; font-size: .9rem; }

.comparison { width: 100%; margin: 36px 0; border-collapse: collapse; font-size: .9rem; }
.comparison th, .comparison td { padding: 16px; text-align: left; border-bottom: 1px solid var(--line); }
.comparison th { color: var(--forest-950); background: var(--sage-100); }
.comparison td { color: var(--muted); }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.value-card { padding: 32px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-md); }
.value-card p { color: var(--muted); }

.not-found { min-height: 65vh; display: grid; place-items: center; text-align: center; }
.not-found .code { color: var(--amber-500); font-family: Georgia, serif; font-size: clamp(5rem, 15vw, 10rem); font-weight: 700; line-height: .9; }

:focus-visible { outline: 3px solid var(--amber-400); outline-offset: 3px; }

@media (max-width: 1020px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-grid > :last-child { grid-column: 2 / 4; }
  .footer-grid > :last-child .store-links { display: flex; }
  .content-layout { grid-template-columns: 1fr; gap: 40px; }
  .side-nav { position: static; display: none; }
}

@media (max-width: 880px) {
  .menu-toggle { display: block; }
  .site-nav { position: absolute; top: 76px; left: 20px; right: 20px; display: none; align-items: stretch; padding: 18px; background: var(--cream-50); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow); }
  .site-nav.is-open { display: grid; }
  .site-nav > a:not(.button) { padding: 8px 6px; }
  .hero { min-height: auto; }
  .hero-content { width: 78%; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: 0; }
  .trust-item:nth-child(-n+2) { border-bottom: 1px solid rgba(255, 255, 255, .1); }
  .trust-item:nth-child(3) { padding-left: 0; }
  .intro-grid, .split-grid, .split-grid.reverse { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .flow-item { padding: 4px 0 4px 76px; }
  .flow-item:not(:last-child)::after { top: 58px; bottom: -18px; left: 22px; width: 1px; height: auto; }
  .audience-grid { grid-template-columns: 1fr; }
  .final-cta-inner, .store-panel { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .container { width: min(calc(100% - 28px), var(--container)); }
  .hero::before { background-position: 61% center; opacity: .7; }
  .hero::after { background: linear-gradient(90deg, rgba(8, 35, 29, .97), rgba(8, 35, 29, .78)); }
  .hero-content { width: 100%; padding: 68px 0 56px; }
  .hero h1 { font-size: clamp(2.65rem, 13.5vw, 3.6rem); }
  .hero .eyebrow { max-width: 100%; font-size: .68rem; letter-spacing: .11em; }
  .hero .button-row, .hero .button { width: 100%; }
  .trust-item { padding: 18px 12px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .audience-card { padding: 30px; }
  .store-panel { padding: 28px; }
  .store-links { width: 100%; }
  .store-links a { flex: 1 1 160px; }
  .final-cta .button-row, .final-cta .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
  .footer-grid > :first-child, .footer-grid > :last-child { grid-column: 1 / -1; }
  .footer-grid > :last-child .store-links { display: grid; }
  .footer-bottom { display: grid; }
  .mini-grid { grid-template-columns: 1fr; }
  .comparison { display: block; overflow-x: auto; }
  .about-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}