/* Fotosentez Danışmanlık — renkler web-renk-paleti/fotosentez-web-renk-paleti.png dosyasından */

@font-face {
  font-family: "Lato";
  src: url("../fonts/Lato-Light.ttf") format("truetype");
  font-weight: 300;
  font-display: swap;
}
@font-face {
  font-family: "Lato";
  src: url("../fonts/Lato-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Lato";
  src: url("../fonts/Lato-Bold.ttf") format("truetype");
  font-weight: 700;
  font-display: swap;
}

:root {
  --ana-yesil: #187F41;     /* butonlar, bağlantılar */
  --yaprak-yesili: #80C56A; /* ikonlar, görsel detaylar */
  --gunes-sarisi: #F4E132;  /* vurgular, küçük etiketler */
  --kirik-beyaz: #F7FAF4;   /* sayfa arka planı */
  --acik-yesil: #EAF4E5;    /* kartlar, bölüm zeminleri */
  --koyu-orman: #183B27;    /* başlıklar, gövde metni */

  --metin-soluk: #3E5A48;
  --cizgi: #D6E6CF;
  --radius-lg: 32px;
  --radius-md: 20px;
  --gutter: clamp(16px, 4vw, 40px);
  --max: 1200px;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: "Lato", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--koyu-orman);
  background: var(--kirik-beyaz);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 { line-height: 1.2; margin: 0; font-weight: 400; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.25rem; font-weight: 700; letter-spacing: 0; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--ana-yesil); text-underline-offset: 3px; }
a:hover { color: var(--koyu-orman); }

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

.container {
  width: 100%;
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  background: var(--koyu-orman);
  color: #fff;
  padding: 10px 16px;
  border-radius: 999px;
  z-index: 10;
}
.skip-link:focus { top: 12px; color: #fff; }

/* Etiket */
.eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ana-yesil);
  margin-bottom: 14px;
}
.eyebrow-light { color: #fff; }
.eyebrow-sun { color: var(--gunes-sarisi); }

/* Butonlar */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 26px;
  border-radius: 999px;
  border: 2px solid transparent;
  font: inherit;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .15s ease, color .15s ease;
}
.btn-sm { min-height: 42px; padding: 8px 20px; font-size: 0.9375rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--ana-yesil); color: #fff; }
.btn-primary:hover { background: var(--koyu-orman); color: #fff; }
.btn-sun { background: var(--gunes-sarisi); color: var(--koyu-orman); }
.btn-sun:hover { background: #fff; color: var(--koyu-orman); }
.btn-ghost { border-color: rgba(255,255,255,.85); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.15); color: #fff; }

/* Üst menü */
.site-header { padding: 14px 0; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { width: 220px; }
.main-nav ul { display: flex; gap: 32px; list-style: none; margin: 0; padding: 0; }
.main-nav a { color: var(--koyu-orman); text-decoration: none; font-weight: 400; }
.main-nav a:hover { color: var(--ana-yesil); text-decoration: underline; }

/* Hero */
.hero-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: min(640px, 76vh);
  display: flex;
  align-items: center;
  background: var(--koyu-orman);
}
.hero-frame picture { position: absolute; inset: 0; }
.hero-img { width: 100%; height: 100%; object-fit: cover; object-position: 62% center; }
.hero-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(24,59,39,.82) 0%, rgba(24,59,39,.6) 34%, rgba(24,59,39,0) 62%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 540px;
  padding: 56px clamp(24px, 5vw, 64px);
  color: #fff;
}
.hero-lead { font-size: 1.1875rem; margin-top: 18px; max-width: 440px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

/* Bölümler */
.section { padding: clamp(56px, 8vw, 104px) 0 0; }
.panel {
  background: var(--acik-yesil);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 6vw, 72px) clamp(20px, 5vw, 64px);
}
.section-head { max-width: 780px; margin: 0 auto 48px; text-align: center; }

.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 32px 28px;
  border: 1px solid var(--cizgi);
}
.card-icon { width: 56px; height: 56px; margin-bottom: 22px; }
.card h3 { margin-bottom: 12px; }
.card p { color: var(--metin-soluk); }

/* Hakkımızda */
.about {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(32px, 6vw, 88px);
  align-items: center;
}
.about-visual {
  background: #fff;
  border: 1px solid var(--cizgi);
  border-radius: var(--radius-lg);
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  padding: 18%;
}
.about-text h2 { margin-bottom: 24px; }
.about-text p:not(.eyebrow) { color: var(--metin-soluk); font-size: 1.125rem; }

/* İletişim */
.contact {
  background: var(--koyu-orman);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(32px, 6vw, 72px) clamp(20px, 5vw, 64px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.contact-lead { margin-top: 18px; color: #DCE9DF; font-size: 1.125rem; }
.contact-list { margin: 36px 0 0; display: grid; gap: 18px; }
.contact-list div { border-top: 1px solid rgba(255,255,255,.16); padding-top: 14px; }
.contact-list dt {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--yaprak-yesili);
}
.contact-list dd { margin: 4px 0 0; }
.contact-list a { color: #fff; word-break: break-word; }
.contact-list a:hover { color: var(--gunes-sarisi); }

/* Doldurulacak yer tutucular */
.ph {
  background: rgba(244,225,50,.22);
  outline: 1px dashed var(--gunes-sarisi);
  outline-offset: 1px;
  border-radius: 4px;
  padding: 0 4px;
}
.contact-form .ph { background: #FBF6C9; outline-color: #B8A400; color: var(--koyu-orman); }

.contact-form {
  background: #fff;
  color: var(--koyu-orman);
  border-radius: var(--radius-md);
  padding: clamp(24px, 4vw, 40px);
}
.contact-form h3 { margin-bottom: 20px; font-size: 1.375rem; }
.field { margin-bottom: 16px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { display: block; font-weight: 700; font-size: 0.9375rem; margin-bottom: 6px; }
.optional { font-weight: 400; color: var(--metin-soluk); }
.field input,
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  color: var(--koyu-orman);
  background: var(--kirik-beyaz);
  border: 1px solid #A9C2A6;
  border-radius: 12px;
  padding: 12px 14px;
  min-height: 48px;
}
.field textarea { resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus { outline: 3px solid var(--yaprak-yesili); outline-offset: 0; border-color: var(--ana-yesil); }
.field-check { display: flex; gap: 10px; align-items: flex-start; margin: 6px 0 20px; font-size: 0.9375rem; }
.field-check input { width: 20px; height: 20px; margin-top: 3px; flex-shrink: 0; accent-color: var(--ana-yesil); }
.form-error { color: #A12B1E; font-weight: 700; font-size: 0.9375rem; }
.form-note { margin-top: 12px; font-size: 0.875rem; color: var(--metin-soluk); text-align: center; }

/* Alt bilgi */
.site-footer { padding: clamp(48px, 7vw, 80px) 0 40px; }
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--cizgi);
  padding-top: 32px;
}
.footer-logo { width: 170px; }
.site-footer ul { display: flex; flex-wrap: wrap; gap: 8px 28px; list-style: none; margin: 0; padding: 0; }
.site-footer nav a { color: var(--koyu-orman); text-decoration: none; }
.site-footer nav a:hover { color: var(--ana-yesil); text-decoration: underline; }
.footer-meta { font-size: 0.875rem; color: var(--metin-soluk); margin: 0; }

.main-nav a[aria-current="page"] { color: var(--ana-yesil); font-weight: 700; }

/* Blog: ortak */
.section-top { padding-top: clamp(32px, 5vw, 64px); }
.page-head { max-width: 720px; margin-bottom: 40px; }
.page-head h1 { margin-bottom: 14px; }
.page-lead { font-size: 1.125rem; color: var(--metin-soluk); }

.section-head-row {
  max-width: none;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  margin-bottom: 32px;
}
.link-arrow { font-weight: 700; text-decoration: none; white-space: nowrap; }
.link-arrow:hover { text-decoration: underline; }

/* Yazı kartı: kartın tamamı tıklanabilir */
.post-card { position: relative; display: flex; flex-direction: column; }
.post-card h3 { margin-bottom: 10px; }
.post-card-link { color: var(--koyu-orman); text-decoration: none; }
.post-card-link::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.post-card:hover { border-color: var(--yaprak-yesili); }
.post-card:hover .post-card-link { color: var(--ana-yesil); }
.post-card:focus-within { outline: 3px solid var(--ana-yesil); outline-offset: 3px; }
.post-card-link:focus-visible { outline: none; }
.post-card-meta { font-size: 0.875rem; color: var(--metin-soluk); margin-bottom: 12px; }
.post-card-meta span { color: var(--ana-yesil); font-weight: 700; }
.post-card-more { margin-top: auto; padding-top: 16px; font-weight: 700; color: var(--ana-yesil); font-size: 0.9375rem; }

.pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 40px; font-weight: 700; }

/* Yazı sayfası */
.post-container { max-width: calc(760px + 2 * var(--gutter)); }
.breadcrumb ol { list-style: none; margin: 0 0 28px; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 8px; font-size: 0.875rem; color: var(--metin-soluk); }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: #9DB59A; }
.breadcrumb a { color: var(--metin-soluk); }
.breadcrumb [aria-current] { color: var(--koyu-orman); }
.post-header h1 { font-size: clamp(2rem, 4.2vw, 3rem); margin-bottom: 18px; }
.post-meta { display: flex; flex-wrap: wrap; gap: 6px 20px; font-size: 0.9375rem; color: var(--metin-soluk); margin-bottom: 32px; }

.note {
  background: #FBF6C9;
  border: 1px solid #E6D65A;
  border-radius: 14px;
  padding: 16px 20px;
  margin-bottom: 32px;
  font-size: 0.9375rem;
}

.prose { font-size: 1.125rem; line-height: 1.75; }
.prose > * { margin: 0; }
.prose > * + * { margin-top: 1.1em; }
.prose > h2 { font-size: clamp(1.4rem, 2.6vw, 1.75rem); margin-top: 1.9em; }
.prose > h3 { margin-top: 1.6em; }
.prose > h2 + *, .prose > h3 + * { margin-top: 0.6em; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: 0.4em; }
.prose li::marker { color: var(--ana-yesil); }
.prose blockquote { margin-left: 0; margin-right: 0; padding: 4px 0 4px 20px; border-left: 4px solid var(--yaprak-yesili); color: var(--metin-soluk); }
/* "**Kısaca:**" ile başlayan ilk paragraf özet kutusu olarak gösterilir */
.prose > p:first-child:has(> strong:first-child) { background: var(--acik-yesil); border-radius: var(--radius-md); padding: 20px 24px; }

.faq { margin-top: 56px; }
.faq h2 { margin-bottom: 20px; font-size: clamp(1.4rem, 2.6vw, 1.75rem); }
.faq details { border-top: 1px solid var(--cizgi); }
.faq details:last-of-type { border-bottom: 1px solid var(--cizgi); }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 36px 18px 0;
  font-weight: 700;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font-size: 1.5rem; font-weight: 400; color: var(--ana-yesil); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding-bottom: 18px; color: var(--metin-soluk); }

.author-box {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-top: 56px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--cizgi);
  border-radius: var(--radius-md);
}
.author-box img { width: 88px; height: 88px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.author-box img.author-fallback { object-fit: contain; background: var(--acik-yesil); padding: 12px; }
.author-box p { margin: 0; }
.author-label { font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ana-yesil); }
.author-name { font-weight: 700; font-size: 1.125rem; margin-top: 2px !important; }
.author-title { color: var(--metin-soluk); margin-bottom: 10px !important; }
.author-bio { font-size: 0.9375rem; color: var(--metin-soluk); }

.cta-band {
  margin-top: clamp(56px, 8vw, 88px);
  background: var(--koyu-orman);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(28px, 5vw, 56px) clamp(22px, 5vw, 64px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px 48px;
}
.cta-band h2 { margin-bottom: 12px; }
.cta-band p { color: #DCE9DF; max-width: 560px; }
.cta-band .btn { flex-shrink: 0; }

.related { padding-top: clamp(56px, 8vw, 88px); }
.related h2 { margin-bottom: 28px; }

/* Tablet: fotoğraf üstte, metin altta */
@media (max-width: 960px) {
  .header-inner { flex-wrap: wrap; row-gap: 10px; }
  .main-nav { order: 3; width: 100%; }
  .main-nav ul { flex-wrap: wrap; gap: 6px 22px; font-size: 0.9375rem; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .cards.cards-posts { grid-template-columns: repeat(2, 1fr); max-width: none; }
  .hero-frame { display: block; min-height: 0; }
  .hero-frame picture { position: relative; }
  .hero-img { height: clamp(260px, 52vw, 440px); object-position: 70% center; }
  .hero-frame::after { display: none; }
  .hero-content { max-width: 640px; padding: 36px clamp(22px, 5vw, 48px) 40px; }
  .cards { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .about { grid-template-columns: 1fr; }
  .about-visual { max-width: 320px; padding: 14%; }
  .contact { grid-template-columns: 1fr; }
}

/* Mobil */
@media (max-width: 640px) {
  body { font-size: 1rem; }
  .brand img { width: 150px; }
  .hero-frame { border-radius: 24px; }
  .hero-img { height: 260px; }
  .hero-content { padding: 28px 22px 32px; }
  .hero-actions .btn { flex: 1 1 100%; }
  .section-head { text-align: left; margin-bottom: 32px; }
  .card { padding: 26px 22px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .about-visual { max-width: 220px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .main-nav ul { gap: 4px 16px; font-size: 0.875rem; }
  .section-head-row { flex-direction: column; align-items: flex-start; }
  .cards.cards-posts { grid-template-columns: 1fr; }
  .prose { font-size: 1.0625rem; }
  .prose > p:first-child:has(> strong:first-child) { padding: 16px 18px; }
  .author-box { flex-direction: column; padding: 20px; }
  .author-box img { width: 64px; height: 64px; }
  .cta-band .btn { width: 100%; }
}