/* TreeDoctor AI — static marketing site
   Palette: deep forest green + vital lime + warm paper */

:root {
  --green-900: #102a1a;
  --green-800: #14331f;
  --green-700: #1f5132;
  --green-600: #2e7d32;
  --green-500: #3ea35a;
  --lime: #7cc243;
  --lime-dark: #5fa330;
  --amber: #e0a526;
  --paper: #f7f5ef;
  --paper-2: #efece2;
  --ink: #16201a;
  --ink-soft: #475149;
  --line: #e2ddcf;
  --white: #ffffff;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 50px -24px rgba(16, 42, 26, 0.45);
  --shadow-soft: 0 8px 28px -16px rgba(16, 42, 26, 0.4);
  --maxw: 1140px;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- i18n visibility ---------- */
.i18n { display: none; }
body.lang-tr .i18n.tr { display: revert; }
body.lang-en .i18n.en { display: revert; }

/* ---------- base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--green-600); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  color: var(--green-900);
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.3rem, 5.4vw, 3.7rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
h3 { font-size: 1.22rem; }
p { margin: 0 0 1rem; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.section { padding: 84px 0; }
.section--tight { padding: 56px 0; }
.eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green-600);
  margin: 0 0 .75rem;
}
.lead { font-size: 1.18rem; color: var(--ink-soft); max-width: 60ch; }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-body); font-weight: 600; font-size: 1rem;
  padding: .8rem 1.5rem; border-radius: 999px;
  border: 1.5px solid transparent; cursor: pointer; transition: .18s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary { background: var(--green-600); color: var(--white); }
.btn--primary:hover { background: var(--green-700); }
.btn--lime { background: var(--lime); color: var(--green-900); }
.btn--lime:hover { background: var(--lime-dark); }
.btn--ghost { background: transparent; color: var(--green-700); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--green-600); background: #fff; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 245, 239, 0.86);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 1.2rem; height: 70px; }
.brand { display: flex; align-items: center; gap: .6rem; font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; color: var(--green-900); }
.brand:hover { text-decoration: none; }
.brand img { width: 36px; height: 36px; }
.nav-links { display: flex; align-items: center; gap: 1.4rem; margin-left: auto; }
.nav-links a { color: var(--ink-soft); font-weight: 500; font-size: .97rem; }
.nav-links a:hover { color: var(--green-700); text-decoration: none; }
.nav-cta { display: flex; align-items: center; gap: .6rem; }
.lang-toggle {
  border: 1.5px solid var(--line); background: #fff; color: var(--green-700);
  border-radius: 999px; padding: .42rem .9rem; font-weight: 700; font-size: .85rem;
  cursor: pointer; font-family: var(--font-body); letter-spacing: .03em;
}
.lang-toggle:hover { border-color: var(--green-600); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: .3rem; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--green-900); margin: 5px 0; border-radius: 2px; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: 70px 0 90px; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 70% at 88% 8%, rgba(124, 194, 67, 0.18), transparent 60%),
    radial-gradient(50% 60% at 0% 100%, rgba(46, 125, 50, 0.12), transparent 60%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.hero h1 { margin-bottom: .35em; }
.hero .lead { font-size: 1.22rem; margin-bottom: 1.6rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-bottom: 1.2rem; }
.hero-note { font-size: .9rem; color: var(--ink-soft); display: flex; align-items: center; gap: .4rem; }

/* phone mockup */
.phone { justify-self: center; width: min(300px, 78vw); aspect-ratio: 300 / 600;
  background: #0d2316; border-radius: 40px; padding: 12px; box-shadow: var(--shadow);
  border: 1px solid #0a1c11; position: relative; }
.phone::after { content: ""; position: absolute; top: 20px; left: 50%; transform: translateX(-50%);
  width: 90px; height: 7px; background: #061008; border-radius: 99px; }
.phone-screen { height: 100%; border-radius: 30px; overflow: hidden; position: relative;
  background: linear-gradient(170deg, #1f5132, #102a1a); }
.scan-tree { position: absolute; inset: 0; }
.score-chip { position: absolute; top: 16px; left: 16px; background: rgba(255,255,255,.92);
  color: var(--green-800); font-weight: 700; font-size: .78rem; border-radius: 999px;
  padding: .3rem .7rem; display: flex; align-items: center; gap: .35rem; }
.score-chip b { color: var(--green-600); }
.marker { position: absolute; width: 26px; height: 26px; border-radius: 50%;
  background: var(--lime); color: var(--green-900); font-weight: 800; font-size: .82rem;
  display: grid; place-items: center; box-shadow: 0 0 0 4px rgba(124,194,67,.3); }
.scan-caption { position: absolute; left: 14px; right: 14px; bottom: 16px;
  background: rgba(255,255,255,.94); border-radius: 14px; padding: .7rem .85rem; }
.scan-caption .row { display: flex; align-items: center; gap: .5rem; font-size: .82rem; color: var(--green-800); font-weight: 600; }
.scan-caption .row + .row { margin-top: .4rem; }
.scan-caption .dot { width: 18px; height: 18px; border-radius: 50%; background: var(--lime); color: var(--green-900); font-weight: 800; font-size: .7rem; display: grid; place-items: center; flex: none; }

/* ---------- trust strip ---------- */
.strip { background: var(--green-800); color: #d8ecdc; }
.strip .container { display: flex; flex-wrap: wrap; gap: 18px 48px; justify-content: center; padding-top: 28px; padding-bottom: 28px; }
.strip-item { display: flex; align-items: center; gap: .6rem; font-weight: 600; font-size: .98rem; }
.strip-item svg { width: 22px; height: 22px; flex: none; }

/* ---------- features ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; box-shadow: var(--shadow-soft); transition: .2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card .ico { width: 46px; height: 46px; border-radius: 12px; background: #eaf4ec;
  display: grid; place-items: center; margin-bottom: 14px; }
.card .ico svg { width: 26px; height: 26px; color: var(--green-600); }
.card h3 { margin-bottom: .3em; }
.card p { color: var(--ink-soft); font-size: .98rem; margin: 0; }

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; counter-reset: step; }
.step { position: relative; padding-top: 8px; }
.step .num { width: 44px; height: 44px; border-radius: 50%; background: var(--green-600);
  color: #fff; font-family: var(--font-display); font-size: 1.3rem; font-weight: 600;
  display: grid; place-items: center; margin-bottom: 14px; }
.step h3 { margin-bottom: .25em; }
.step p { color: var(--ink-soft); margin: 0; }

/* ---------- pricing ---------- */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.plan { background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; display: flex; flex-direction: column; box-shadow: var(--shadow-soft); }
.plan--featured { border: 2px solid var(--green-600); position: relative; }
.plan--featured .ribbon { position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--green-600); color: #fff; font-size: .74rem; font-weight: 700; letter-spacing: .05em;
  padding: .3rem .8rem; border-radius: 999px; text-transform: uppercase; }
.plan h3 { font-size: 1.4rem; }
.plan .price { font-family: var(--font-display); font-size: 2.2rem; color: var(--green-900); margin: .2em 0 .1em; }
.plan .price small { font-size: .95rem; color: var(--ink-soft); font-family: var(--font-body); font-weight: 500; }
.plan .price-sub { color: var(--ink-soft); font-size: .9rem; margin-bottom: 1.2rem; }
.plan ul { list-style: none; padding: 0; margin: 0 0 1.6rem; flex: 1; }
.plan li { display: flex; gap: .6rem; align-items: flex-start; padding: .42rem 0; font-size: .96rem; color: var(--ink); }
.plan li svg { width: 18px; height: 18px; color: var(--green-600); flex: none; margin-top: 4px; }
.plan li.muted { color: var(--ink-soft); }
.plan li.muted svg { color: #b9b2a0; }

/* ---------- faq ---------- */
.faq { max-width: 800px; margin: 0 auto; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 0 20px; margin-bottom: 12px; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; padding: 18px 0; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem; color: var(--green-900); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; color: var(--green-600); font-weight: 400; }
.faq details[open] summary::after { content: "\2013"; }
.faq details > div { padding-bottom: 18px; color: var(--ink-soft); }

/* ---------- CTA ---------- */
.cta-band { background: linear-gradient(135deg, var(--green-700), var(--green-900)); color: #fff; border-radius: 26px; padding: 56px 40px; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #cfe6d4; max-width: 56ch; margin: 0 auto 1.6rem; }
.cta-band .btn--ghost { color: #fff; border-color: rgba(255,255,255,.4); }
.cta-band .btn--ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; }

/* store badges */
.store-badges { display: flex; flex-wrap: wrap; gap: .8rem; justify-content: center; }
.store-badge { display: inline-flex; align-items: center; gap: .6rem; background: #0d2316;
  color: #fff; border-radius: 12px; padding: .65rem 1.1rem; border: 1px solid rgba(255,255,255,.12); }
.store-badge svg { width: 24px; height: 24px; flex: none; }
.store-badge small { display: block; font-size: .66rem; opacity: .8; line-height: 1.1; }
.store-badge b { font-size: 1.02rem; font-weight: 600; }
.store-badge .soon { font-size: .64rem; background: var(--lime); color: var(--green-900); padding: .08rem .4rem; border-radius: 5px; font-weight: 800; margin-left: .2rem; }

/* ---------- footer ---------- */
.site-footer { background: var(--green-900); color: #b8ccbd; padding: 56px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; }
.site-footer .brand { color: #fff; margin-bottom: .8rem; }
.site-footer p { color: #93a899; font-size: .92rem; max-width: 34ch; }
.footer-col h4 { color: #fff; font-family: var(--font-body); font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: .9rem; }
.footer-col a { display: block; color: #b8ccbd; padding: .25rem 0; font-size: .95rem; }
.footer-col a:hover { color: #fff; text-decoration: none; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 40px; padding-top: 22px;
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; font-size: .86rem; color: #7d9384; }

/* ---------- legal / doc pages ---------- */
.doc { padding: 56px 0 80px; }
.doc .container { max-width: 820px; }
.doc h1 { margin-bottom: .2em; }
.doc .updated { color: var(--ink-soft); font-size: .92rem; margin-bottom: 2rem; }
.doc h2 { font-size: 1.5rem; margin-top: 2.2rem; }
.doc h3 { margin-top: 1.6rem; }
.doc ul, .doc ol { padding-left: 1.3rem; }
.doc li { margin-bottom: .5rem; }
.doc .callout { background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--amber);
  border-radius: var(--radius-sm); padding: 16px 20px; margin: 1.4rem 0; }
.doc .callout.green { border-left-color: var(--green-600); }
.doc table { width: 100%; border-collapse: collapse; margin: 1.2rem 0; }
.doc th, .doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); font-size: .95rem; vertical-align: top; }
.doc th { color: var(--green-900); }
.back-link { display: inline-flex; align-items: center; gap: .4rem; font-weight: 600; margin-bottom: 1.5rem; }

/* contact card */
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow-soft); margin-top: 1.2rem; }
.contact-card a { font-weight: 600; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .phone { grid-row: 1; }
  .cards, .steps, .pricing { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .section { padding: 60px 0; }
  .nav-links { display: none; position: absolute; top: 70px; left: 0; right: 0;
    background: var(--paper); flex-direction: column; align-items: flex-start;
    padding: 16px 22px; gap: .4rem; border-bottom: 1px solid var(--line); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: .5rem 0; width: 100%; }
  .nav-toggle { display: block; margin-left: auto; }
  .nav-cta .btn { display: none; }
  .cards, .steps, .pricing, .footer-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 22px; }
}