/* Gözlem Marka Patent — site styles */
:root {
  --ink: #16181c;
  --ink-2: #23262c;
  --text: #2a2d33;
  --muted: #5d6169;
  --line: #e2e2e5;
  --bg: #ffffff;
  --bg-soft: #f5f5f3;
  --red: #b3122c;
  --red-dark: #8f0e23;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --wordmark: "Cinzel", var(--serif);
  --wrap: 1160px;
  --gutter: 24px;
  --radius: 4px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 112px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--red); text-underline-offset: 3px; }
a:hover { color: var(--red-dark); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; color: var(--ink); line-height: 1.2; margin: 0 0 .6em; text-wrap: balance; }
h1 { font-size: clamp(2.1rem, 4.4vw, 3.3rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.15rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
strong { color: var(--ink); font-weight: 600; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; }
.eyebrow {
  font: 600 .78rem/1 var(--sans);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1.1rem;
}
.arrow { width: 16px; height: 16px; flex: none; transition: transform .2s; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 22px;
  font: 600 .95rem/1 var(--sans);
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background .2s, color .2s, border-color .2s;
  cursor: pointer;
}
.btn:hover .arrow { transform: translateX(3px); }
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); color: #fff; }
.btn-ghost { color: #fff; border-color: rgba(255,255,255,.35); }
.btn-ghost:hover { border-color: #fff; color: #fff; }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: #ececec; color: var(--ink); }
.btn-outline { color: var(--ink); border-color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: #fff; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { max-width: 1320px; }
.header-inner { display: flex; align-items: center; gap: 24px; min-height: 96px; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; color: var(--ink); }
.brand img { width: 66px; height: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font: 600 1.38rem/1.15 var(--wordmark); letter-spacing: .02em; color: var(--ink); white-space: nowrap; }
.brand-tag { font: 500 .78rem/1.4 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-top: 4px; }
.site-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.site-nav ul { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; }
.site-nav ul a {
  font: 500 .93rem/1 var(--sans); color: var(--text); text-decoration: none;
  padding: 8px 0; border-bottom: 2px solid transparent; white-space: nowrap;
}
.site-nav ul a:hover { color: var(--ink); border-bottom-color: var(--line); }
.site-nav ul a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--red); }
.lang-switch { display: inline-flex; border: 1px solid #cfd0d4; border-radius: var(--radius); overflow: hidden; }
.lang-switch a {
  font: 600 .78rem/1 var(--sans); letter-spacing: .1em; color: var(--muted); text-decoration: none;
  padding: 8px 11px;
}
.lang-switch a + a { border-left: 1px solid #cfd0d4; }
.lang-switch a:hover { color: var(--ink); background: var(--bg-soft); }
.lang-switch a[aria-current="page"] { background: var(--ink); color: #fff; }
.menu-toggle {
  display: none; align-items: center; gap: 10px;
  background: none; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 9px 12px; font: 600 .85rem/1 var(--sans); color: var(--ink); cursor: pointer;
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
  display: block; width: 16px; height: 1.5px; background: var(--ink); position: relative; content: "";
}
.menu-toggle span::before { position: absolute; top: -5px; }
.menu-toggle span::after { position: absolute; top: 5px; }

/* Home hero */
.hero {
  position: relative; overflow: hidden;
  background: radial-gradient(1200px 600px at 85% 20%, #2a2d34 0%, var(--ink) 60%);
  color: #c9ccd2;
  padding: clamp(72px, 10vw, 128px) 0 0;
}
.hero-mark {
  position: absolute; right: -60px; top: 50%; transform: translateY(-55%);
  width: min(620px, 60vw); opacity: .13; pointer-events: none;
}
.hero-inner { position: relative; }
.hero h1 { color: #fff; max-width: 17ch; }
.hero .lead { font-size: 1.15rem; max-width: 60ch; color: #c9ccd2; }
.hero .eyebrow { color: #e0596d; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.credentials {
  position: relative;
  list-style: none; margin: clamp(56px, 8vw, 96px) 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255,255,255,.14);
}
.credentials li { padding: 28px 28px 34px 0; display: flex; flex-direction: column; gap: 6px; }
.credentials li + li { padding-left: 28px; border-left: 1px solid rgba(255,255,255,.14); }
.credentials strong { font: 600 1.15rem/1.3 var(--serif); color: #fff; }
.credentials strong::before { content: ""; display: block; width: 28px; height: 2px; background: var(--red); margin-bottom: 14px; }
.credentials span { font-size: .92rem; color: #a9adb5; }

/* Blocks */
.block { padding-top: clamp(56px, 7vw, 88px); }
.content > .block:last-child { padding-bottom: clamp(56px, 7vw, 88px); }
.wrap.block:last-of-type { padding-bottom: clamp(56px, 7vw, 88px); }
.pb { padding-bottom: clamp(56px, 7vw, 88px); }
.prose { max-width: 780px; }
.prose p, .after { color: var(--text); }
.after { margin-top: 1.4em; max-width: 780px; }
.note { color: var(--muted); font-size: .93rem; margin-top: 18px; max-width: 780px; }
.ticks { list-style: none; padding: 0; margin: 1.2em 0 0; }
.ticks li { position: relative; padding-left: 26px; margin-bottom: .75em; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .72em; width: 12px; height: 2px; background: var(--red); }

/* Home areas */
.areas { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 28px; border: 1px solid var(--line); }
.area {
  display: flex; flex-direction: column; padding: 30px 26px 26px; text-decoration: none; color: var(--text); background: #fff;
  border-right: 1px solid var(--line); transition: background .2s;
  position: relative;
}
.area:last-child { border-right: 0; }
.area::before { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 2px; background: transparent; transition: background .2s; }
.area:hover { background: #fbfbfa; color: var(--text); }
.area:hover::before { background: var(--red); }
.area-num { font: 600 .9rem/1 var(--serif); color: var(--red); margin-bottom: 14px; }
.area h3 { margin-bottom: .5em; }
.area p { font-size: .95rem; color: var(--muted); flex: 1; }
.more { display: inline-flex; align-items: center; gap: 8px; font: 600 .88rem/1 var(--sans); color: var(--ink); text-decoration: none; margin-top: 8px; }
a.more:hover, .area:hover .more { color: var(--red); }
.area:hover .arrow, a.more:hover .arrow { transform: translateX(3px); }

/* Why */
.why-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.why-points { list-style: none; counter-reset: w; padding: 0; margin: 0; }
.why-points li { counter-increment: w; position: relative; padding: 0 0 26px 58px; border-bottom: 1px solid var(--line); margin-bottom: 26px; }
.why-points li:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.why-points li::before {
  content: counter(w, decimal-leading-zero); position: absolute; left: 0; top: 2px;
  font: 600 1rem/1 var(--serif); color: var(--red);
}
.why-points h3 { font-size: 1.1rem; margin-bottom: .35em; }
.why-points p { margin: 0; color: var(--muted); font-size: .97rem; }

/* Principles */
.principles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 28px; }
.principle { border-top: 2px solid var(--ink); padding-top: 20px; }
.principle h3 { font-size: 1.08rem; }
.principle p { font-size: .95rem; color: var(--muted); margin: 0; }

/* International */
.intl { padding: clamp(56px, 7vw, 88px) 0 clamp(56px, 7vw, 88px); }
.intl-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; border: 1px solid var(--line); padding: 36px 40px; max-width: calc(var(--wrap) - 2 * var(--gutter)); }
.intl h2 { font-size: 1.45rem; margin-bottom: .4em; }
.intl p { margin: 0; color: var(--muted); max-width: 64ch; }

/* CTA band */
.cta-band { background: var(--ink); color: #c9ccd2; padding: clamp(48px, 6vw, 72px) 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.cta-band h2 { color: #fff; font-size: clamp(1.4rem, 2.4vw, 1.85rem); margin-bottom: .35em; }
.cta-band p { margin: 0; max-width: 60ch; }

/* Inner page hero */
.page-hero {
  position: relative; overflow: hidden;
  background:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 32px 32px,
    radial-gradient(900px 500px at 80% 30%, #2a2d34 0%, var(--ink) 65%);
  color: #c9ccd2;
  padding: clamp(40px, 6vw, 72px) 0 clamp(48px, 6vw, 72px);
}
.page-hero-grid { display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: center; }
.page-hero h1 { max-width: 22ch; color: #fff; }
.page-hero .eyebrow { color: #e0596d; }
.page-hero .lead { font-size: 1.12rem; max-width: 68ch; color: #c9ccd2; margin: 0; }
.hero-art { width: clamp(120px, 15vw, 190px); color: #fff; opacity: .9; }
.hero-art .hero-icon { width: 100%; height: auto; --paper: var(--ink); }
.hero-art .acc { stroke: #e0596d; }
.hero-art .hero-amblem { width: 100%; opacity: .6; }
.crumbs { font-size: .85rem; color: #9a9ea6; display: flex; gap: 10px; margin-bottom: 28px; }
.crumbs a { color: #9a9ea6; text-decoration: none; }
.crumbs a:hover { color: #fff; text-decoration: underline; }

/* Steps */
.steps { list-style: none; counter-reset: s; padding: 0; margin: 28px 0 0; max-width: 820px; }
.steps li { counter-increment: s; position: relative; padding: 0 0 28px 64px; }
.steps li::before {
  content: counter(s); position: absolute; left: 0; top: -2px;
  width: 38px; height: 38px; border: 1px solid var(--ink); border-radius: 50%;
  display: grid; place-items: center; font: 600 1rem/1 var(--serif); color: var(--ink); background: var(--paper, #fff);
}
.steps li::after { content: ""; position: absolute; left: 19px; top: 40px; bottom: 4px; width: 1px; background: var(--line); }
.steps li:last-child { padding-bottom: 0; }
.steps li:last-child::after { display: none; }
.steps h3 { font-size: 1.1rem; margin: 6px 0 .3em; }
.steps p { margin: 0; color: var(--muted); }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; margin-top: 28px; }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.card { border: 1px solid var(--line); border-top: 2px solid var(--ink); padding: 24px 24px 22px; background: var(--bg); display: flex; flex-direction: column; }
.card h3 { font-size: 1.08rem; margin-bottom: .45em; }
.card p { font-size: .95rem; color: var(--muted); margin: 0; flex: 1; }
.card .more { margin-top: 16px; }

/* Table */
.table-wrap { overflow-x: auto; margin-top: 28px; border: 1px solid var(--line); }
.compare { width: 100%; border-collapse: collapse; font-size: .95rem; min-width: 620px; }
.compare th, .compare td { text-align: left; vertical-align: top; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.compare thead th { background: var(--ink); color: #fff; font: 600 1rem/1.3 var(--serif); }
.compare tbody th { font-weight: 600; color: var(--ink); width: 22%; background: var(--bg-soft); }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: 0; }

/* Highlight */
.highlight { border-left: 3px solid var(--red); background: var(--bg-soft); padding: clamp(24px, 4vw, 40px); max-width: 860px; }
.highlight p:last-child { margin: 0; }

/* FAQ */
.faq { margin-top: 20px; max-width: 860px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 20px 44px 20px 0; position: relative;
  font: 600 1.05rem/1.4 var(--serif); color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before, .faq summary::after {
  content: ""; position: absolute; right: 6px; top: 50%; width: 14px; height: 1.5px; background: var(--ink); transition: transform .2s;
}
.faq summary::after { transform: rotate(90deg); }
.faq details[open] summary::after { transform: rotate(0); }
.faq summary:hover { color: var(--red); }
.faq details p { color: var(--muted); padding-bottom: 20px; margin: 0; max-width: 72ch; }

/* Contact */
.contact-grid { padding-left: var(--gutter); padding-right: var(--gutter); display: grid; grid-template-columns: 1fr 1.6fr; gap: clamp(32px, 6vw, 72px); padding-top: clamp(48px, 6vw, 72px); padding-bottom: clamp(56px, 7vw, 88px); }
.contact-info dl { margin: 0; }
.contact-info dt { font: 600 .75rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-top: 26px; }
.contact-info dt:first-child { margin-top: 0; }
.contact-info dd { margin: 8px 0 0; font: 500 1.08rem/1.5 var(--serif); color: var(--ink); }
.contact-info dd a { color: var(--ink); text-decoration: none; }
.contact-info dd a:hover { color: var(--red); }
.contact-form { border: 1px solid var(--line); border-top: 2px solid var(--ink); padding: clamp(24px, 4vw, 40px); }
.contact-form h2 { font-size: 1.5rem; }
.contact-form form { display: grid; gap: 18px; }
.contact-form label { display: grid; gap: 7px; font: 500 .88rem/1.3 var(--sans); color: var(--ink); }
.contact-form input, .contact-form select, .contact-form textarea {
  font: 400 1rem/1.4 var(--sans); color: var(--text); width: 100%;
  padding: 12px 14px; border: 1px solid #cfd0d4; border-radius: var(--radius); background: #fff;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: 2px solid var(--ink); outline-offset: 0; border-color: var(--ink); }
.contact-form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form .check { display: flex; align-items: flex-start; gap: 10px; font-weight: 400; color: var(--muted); }
.contact-form .check input { width: 18px; height: 18px; margin-top: 1px; flex: none; accent-color: var(--red); }
.contact-form button { justify-self: start; }
.contact-form .note { margin: 0; }
.hp { position: absolute; left: -9999px; }
.form-status { padding: 14px 16px; border-left: 3px solid var(--ink); background: var(--bg-soft); color: var(--ink); }
.form-status.error { border-left-color: var(--red); }

/* Footer */
.site-footer { background: #101114; color: #a3a7af; font-size: .93rem; padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-logo { width: 64px; margin-bottom: 14px; }
.footer-name { font: 600 1.05rem/1.2 var(--wordmark); color: #fff; letter-spacing: .02em; margin-bottom: 10px; }
.site-footer h2 { font: 600 .75rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: #fff; margin-bottom: 18px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer a { color: #d3d6db; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 22px; padding-bottom: 28px; font-size: .82rem; color: #7f838b; }
.footer-bottom p { margin: 0 0 6px; }

/* Responsive */
@media (max-width: 1080px) {
  .areas { grid-template-columns: repeat(2, 1fr); }
  .area:nth-child(2) { border-right: 0; }
  .area:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .principles { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1260px) {
  .menu-toggle { display: inline-flex; }
  .site-nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px var(--gutter) 20px;
    box-shadow: 0 12px 24px rgba(0,0,0,.06);
  }
  .site-nav.open { display: flex; }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav ul a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .site-nav ul a[aria-current="page"] { border-bottom-color: var(--line); color: var(--red); }
  .lang-switch { margin-left: auto; }
  .header-inner { gap: 12px; }
}
@media (max-width: 960px) {
  .why-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  :root { --gutter: 16px; }
  body { font-size: 16px; }
  .brand-tag { display: none; }
  .brand { min-width: 0; gap: 9px; }
  .brand-name { font-size: 1.08rem; white-space: normal; max-width: 9.5em; line-height: 1.2; }
  .brand img { width: 48px; }
  .menu-toggle { font-size: 0; gap: 0; padding: 12px 11px; }
  .lang-switch a { padding: 8px 9px; }
  .header-inner { min-height: 72px; }
  .credentials { grid-template-columns: 1fr; }
  .credentials li, .credentials li + li { padding: 22px 0; border-left: 0; }
  .credentials li + li { border-top: 1px solid rgba(255,255,255,.14); }
  .hero-mark { width: 120vw; right: -45vw; opacity: .08; }
  .areas { grid-template-columns: 1fr; }
  .area { border-right: 0; border-bottom: 1px solid var(--line); }
  .area:last-child { border-bottom: 0; }
  .principles, .cards-2 { grid-template-columns: 1fr; }
  .intl-inner, .cta-inner { flex-direction: column; align-items: flex-start; padding: 28px 22px; }
  .cta-inner { padding: 0 var(--gutter); }
  .contact-form .row2 { grid-template-columns: 1fr; }
  .steps li { padding-left: 54px; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* Bands, graphics */
.band { padding: clamp(56px, 7vw, 88px) 0; --paper: #fff; }
.band-soft { background: var(--bg-soft); --paper: var(--bg-soft); border-top: 1px solid #ececea; border-bottom: 1px solid #ececea; }
.band-soft + .band-soft { border-top: 0; }
.band-soft .highlight, .band-soft .card { background: #fff; }
.blueprint {
  background:
    linear-gradient(rgba(22,24,28,.045) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(90deg, rgba(22,24,28,.045) 1px, transparent 1px) 0 0 / 28px 28px,
    #fff;
}
.section-lead { max-width: 70ch; color: var(--muted); font-size: 1.05rem; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 32px 32px;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 55%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 55%);
}
.icon .acc, .area-icon .acc, .hero-icon .acc, .figure .acc { stroke: var(--red); }
.thin { stroke-width: 1.2; }
.fill, .lens { fill: var(--paper, #fff); }
.area-icon { width: 56px; height: 56px; color: var(--ink); margin-bottom: 22px; }
.area:hover .area-icon .acc { stroke: var(--red-dark); }
.figure { display: block; width: 100%; max-width: 500px; height: auto; margin-top: 32px; color: #3a3d44; }
@media (max-width: 1080px) { .cards-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) {
  .cards-3 { grid-template-columns: 1fr; }
  .page-hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero-art { display: none; }
}