/* ozeslab. — ozes stil, monokrom site */

:root {
  --black: #000;
  --white: #fff;
  --gray-100: #f5f5f5;
  --gray-200: #e5e5e5;
  --gray-400: #a3a3a3;
  --gray-600: #525252;
  --gray-800: #262626;
  /* Tek sütun: tüm yazılar aynı sol hizada */
  --layout-max: 1100px;
  --text-max: 720px;
  --gutter: 2rem;
  --inset: max(var(--gutter), calc((100vw - var(--layout-max)) / 2 + var(--gutter)));
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-lift: 0 20px 50px rgba(0, 0, 0, 0.08);
  --shadow-btn: 0 12px 32px rgba(0, 0, 0, 0.18);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'DM Sans', -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--black);
  background-color: var(--white);
}

/* Çok hafif doku — yaratıcılık, dikkat dağıtmaz */
.page-grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.032;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

@media (prefers-reduced-motion: reduce) {
  .hero > *:not(.hero-deco) {
    animation: none !important;
  }

  .page-grain {
    opacity: 0;
  }
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem var(--inset);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.logo {
  font-family: 'Montserrat', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--black);
  text-decoration: none;
  line-height: 1;
  letter-spacing: -0.02em;
  transition: letter-spacing 0.45s var(--ease-out), color 0.25s ease;
}

.logo:hover {
  color: var(--gray-600);
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  gap: 2rem;
}

.nav a {
  position: relative;
  color: var(--black);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}

.nav a:hover::after,
.nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav a:hover {
  color: var(--gray-600);
}

@keyframes rise-fade {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero — kare grid sadece bu bölümde (tam ekran genişliğinde) */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem var(--gutter) 4rem;
  max-width: var(--layout-max);
  margin: 0 auto;
  width: 100%;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 100vw;
  transform: translateX(-50%);
  z-index: -1;
  pointer-events: none;
  background-color: var(--white);
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: -1px -1px;
}

@media (prefers-reduced-motion: no-preference) {
  .hero > *:not(.hero-deco) {
    animation: rise-fade 0.85s var(--ease-out) backwards;
  }

  .hero .hero-deco + .hero-title {
    animation-delay: 0.06s;
  }

  .hero .hero-title + .hero-sub {
    animation-delay: 0.14s;
  }

  .hero .hero-sub + .hero-manifest {
    animation-delay: 0.22s;
  }

  .hero .hero-manifest + .hero-actions {
    animation-delay: 0.3s;
  }
}

.hero-deco {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translate(15%, -50%);
  width: min(42vw, 280px);
  height: min(42vw, 280px);
  pointer-events: none;
  z-index: 0;
}

.hero-deco-ring {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 50%;
}

.hero-deco-mark {
  position: absolute;
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(6rem, 22vw, 11rem);
  font-weight: 700;
  line-height: 0.65;
  color: rgba(0, 0, 0, 0.04);
  bottom: 8%;
  left: 50%;
  transform: translateX(-50%);
}

.hero-title,
.hero-sub,
.hero-manifest,
.hero-actions {
  position: relative;
  z-index: 1;
  max-width: var(--text-max);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1.75rem;
  font-weight: 700;
}

.hero-h1-kicker {
  display: inline-block;
  font-weight: 800;
  color: var(--black);
  box-decoration-break: clone;
  background: linear-gradient(180deg, transparent 62%, rgba(0, 0, 0, 0.07) 62%, rgba(0, 0, 0, 0.07) 88%, transparent 88%);
}

.hero-h1-main {
  font-weight: 500;
  color: var(--gray-800);
}

.hero-sub {
  margin: 0 0 2rem;
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--gray-800);
  line-height: 1.6;
}

.hero-manifest {
  margin: 0 0 2.5rem;
  padding: 1.75rem 0 0 1rem;
  border-top: 1px solid var(--gray-200);
  border-left: 3px solid var(--black);
}

.hero-manifest-lead {
  margin: 0 0 0.65rem;
  font-size: clamp(1.2rem, 2.8vw, 1.5rem);
  font-weight: 700;
  color: var(--black);
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.hero-manifest-body {
  margin: 0;
  font-size: 1.05rem;
  color: var(--gray-800);
  line-height: 1.65;
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-weight: 600;
  text-decoration: none;
  transition:
    transform 0.35s var(--ease-out),
    box-shadow 0.35s var(--ease-out),
    opacity 0.25s ease,
    background 0.25s ease,
    color 0.25s ease;
}

.btn:hover {
  opacity: 1;
}

.btn:focus-visible {
  outline: 2px solid var(--black);
  outline-offset: 3px;
}

.btn-dark {
  color: var(--white);
  background: var(--black);
}

.btn-dark:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-btn);
}

.btn-outline {
  color: var(--black);
  background: transparent;
  border: 2px solid var(--black);
}

.btn-outline:hover {
  background: var(--black);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* Sections */
section {
  padding: 6.75rem var(--gutter);
  max-width: var(--layout-max);
  margin: 0 auto;
  width: 100%;
}

section h2 {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gray-600);
  margin: 0 0 3rem;
  max-width: var(--text-max);
}

/* İddialı başlıklar — soru / küçük etiket değil */
h2.heading-punch,
.results-title.heading-punch {
  text-transform: none;
  letter-spacing: -0.02em;
  color: var(--black);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.8vw, 1.5rem);
  line-height: 1.25;
  margin: 0 0 1.5rem;
  padding-left: 1rem;
  border-left: 4px solid var(--black);
}

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

.section-intro {
  margin: -2rem 0 2.5rem;
  max-width: var(--text-max);
  color: var(--gray-600);
  font-size: 1.05rem;
}

/* Positioning strip — tam genişlik arka plan, metin diğer bölümlerle aynı hizada */
section.positioning-strip {
  position: relative;
  max-width: none;
  width: 100%;
  margin: 0;
  padding: 3.5rem 0;
  background: var(--black);
  color: var(--white);
  overflow: hidden;
}

section.positioning-strip::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: min(70vw, 520px);
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.07) 0%, transparent 65%);
  pointer-events: none;
}

section.positioning-strip::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0.02));
  pointer-events: none;
}

.positioning-quote {
  position: relative;
  z-index: 1;
  margin: 0;
  margin-left: var(--inset);
  max-width: var(--text-max);
  padding: 0;
  border: none;
}

.positioning-tr {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-200);
  line-height: 1.5;
}

.positioning-quote .positioning-tr {
  color: var(--white);
  font-weight: 700;
  font-style: italic;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
}

/* ozes stil model bölümü */
.model-punch {
  max-width: var(--text-max);
  margin: -1rem 0 1.25rem;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--black);
}

.model-lead {
  max-width: var(--text-max);
  margin: 0 0 2.5rem;
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--gray-800);
}

.model-trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--gray-200);
  margin-bottom: 2rem;
  border-radius: 4px;
  overflow: hidden;
}

.model-card {
  position: relative;
  padding: 1.75rem 1.5rem;
  background: var(--white);
  transition:
    transform 0.4s var(--ease-out),
    box-shadow 0.4s var(--ease-out);
}

@media (hover: hover) {
  .model-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lift);
    z-index: 2;
  }
}

.model-card-muted {
  background: var(--gray-100);
  border-right: 1px solid var(--gray-200);
}

.model-card-highlight {
  border-right: none;
  background: var(--white);
  box-shadow: inset 0 0 0 2px var(--black);
}

.model-card h3 {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.model-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--gray-800);
  line-height: 1.55;
}

.model-footnote {
  margin: 0;
  max-width: var(--text-max);
  font-size: 1rem;
  color: var(--gray-600);
}

/* Compare table — diğer bölümlerle aynı genişlikte kutu */
.compare-section {
  background: var(--gray-100);
  max-width: var(--layout-max);
  margin-left: auto;
  margin-right: auto;
}

section.compare-section > h2 {
  margin-bottom: 0;
  text-transform: none;
  letter-spacing: 0.04em;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--black);
  max-width: var(--text-max);
}

.compare-intro {
  margin-top: 1rem;
  margin-bottom: 2rem;
}

.table-wrap {
  width: 100%;
  margin: 0;
  overflow-x: auto;
  border: 1px solid var(--gray-200);
  background: var(--white);
  border-radius: 4px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.compare-table th,
.compare-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--gray-200);
}

.compare-table thead th {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--gray-100);
  border-bottom: 2px solid var(--black);
}

.compare-table tbody tr {
  transition: background 0.25s ease;
}

.compare-table tbody tr:hover {
  background: rgba(0, 0, 0, 0.03);
}

.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-table td:first-child {
  color: var(--gray-600);
  width: 42%;
}

.compare-table td:last-child {
  font-weight: 600;
  color: var(--black);
}

/* Sonuç — kısa, nefesli */
.results-philosophy .results-prose,
.results-philosophy .results-title {
  max-width: var(--text-max);
}

.results-philosophy .results-title {
  margin: 0 0 2rem;
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
}

.results-prose {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.results-line {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--black);
}

.results-goal {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--gray-800);
}

.results-anchor-text {
  margin: 0;
  padding: 1.5rem 0 0;
  border-top: 2px solid var(--black);
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--black);
}

.checklist {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
  color: var(--gray-800);
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--black);
  border-radius: 50%;
}

.checklist-check li {
  padding-left: 1.5rem;
  margin-bottom: 0.65rem;
  font-weight: 500;
}

.checklist-check li::before {
  content: "✓";
  top: 0.15em;
  width: auto;
  height: auto;
  background: none;
  border-radius: 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--black);
}

/* Process */
.process-tagline {
  margin: -0.5rem 0 0.75rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--black);
  letter-spacing: -0.02em;
  max-width: var(--text-max);
}

.process-question {
  display: block;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 0.35rem;
}

.process-hook {
  margin: 0;
}

.process-principle {
  margin: 0 0 2.5rem;
  max-width: var(--text-max);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--gray-800);
}

.process-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2.85rem;
  max-width: var(--text-max);
}

.process-steps li {
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--gray-200);
}

.process-steps li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.process-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  padding: 0 0.35rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--white);
  background: var(--black);
  margin-bottom: 0.75rem;
  border-radius: 999px;
  transition: transform 0.35s var(--ease-out);
}

.process-steps li:hover .process-label {
  transform: scale(1.08) rotate(-6deg);
}

.process-steps strong {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.process-steps p {
  margin: 0;
  color: var(--gray-800);
  font-size: 1rem;
  line-height: 1.6;
}

/* Trust / ekip hissi */
.trust .checklist,
.trust-close {
  max-width: var(--text-max);
}

.checklist-tight {
  margin-top: -0.5rem;
  margin-bottom: 1.75rem;
}

.trust-close {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--gray-800);
}

/* Contact */
.contact-content {
  max-width: var(--text-max);
}

.contact-content p {
  margin: 0 0 0.75rem;
  color: var(--gray-800);
  line-height: 1.6;
}

.contact-lead {
  font-weight: 600;
  color: var(--black);
  font-size: 1.1rem;
}

.contact-intro {
  font-size: 1.05rem;
  color: var(--gray-800);
  margin-bottom: 0 !important;
}

.contact-form-link {
  position: relative;
  z-index: 0;
  font-weight: 700;
  color: var(--black);
  text-decoration: none;
  padding: 0.1em 0.15em;
  margin: 0 -0.15em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  background: linear-gradient(transparent 60%, rgba(0, 0, 0, 0.12) 60%);
  transition:
    color 0.25s ease,
    background 0.35s var(--ease-out);
}

.contact-form-link:hover {
  color: var(--white);
  background: var(--black);
}

/* Footer — yazılar gövde ile aynı sol hizada */
.footer {
  padding: 3rem var(--inset);
  border-top: 1px solid var(--gray-200);
  text-align: left;
}

.footer-logo,
.footer-line,
.footer-copy {
  max-width: var(--text-max);
}

.footer-logo {
  height: 24px;
  margin-bottom: 1rem;
  opacity: 0.7;
}

.footer-line {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-800);
}

.footer-copy {
  margin: 0;
  font-size: 0.875rem;
  color: var(--gray-600);
}

/* Mobile */
@media (max-width: 640px) {
  /* Üst menü şeridi kaldırılır — sayfa doğrudan hero ile başlar */
  .header {
    display: none;
  }

  .hero {
    padding: max(1.75rem, calc(env(safe-area-inset-top, 0px) + 1rem)) 1.5rem 3rem;
  }

  :root {
    --gutter: 1.5rem;
  }

  section {
    padding: 4rem var(--gutter);
  }

  .model-trio {
    grid-template-columns: 1fr;
  }

  .model-card-muted {
    border-right: none;
    border-bottom: 1px solid var(--gray-200);
  }

  .model-card-highlight {
    box-shadow: none;
    border-top: 2px solid var(--black);
  }

  .hero-deco {
    display: none;
  }

  h2.heading-punch,
  .results-title.heading-punch {
    padding-left: 0.75rem;
    border-left-width: 3px;
  }
}