/* MANROPE self-host (02.08; latin-ext TR diakritik tam) */
@font-face { font-family: "Manrope"; src: url("/assets/fonts/manrope-400.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("/assets/fonts/manrope-500.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("/assets/fonts/manrope-800.woff2") format("woff2"); font-weight: 800; font-style: normal; font-display: swap; }

:root {
  --primary: #0284c7;
  --primary-dark: #075985;
  --accent: #f2b705;
  --navy: #082f49;
  --navy-deep: #061f33;
  --surface: #ffffff;
  --background: #f6f8fa;
  --text: #172033;
  --muted: #5b677a;
  --line: #dbe4ec;
  --success: #15803d;
  --danger: #b91c1c;
  --shadow-sm: 0 8px 24px rgba(7, 89, 133, 0.08);
  --shadow-lg: 0 28px 70px rgba(7, 89, 133, 0.2);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --container: 1180px;
  --font: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--background);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body,
button,
input,
a {
  font-family: inherit;
}

h1,
h2,
h3 {
  font-family: var(--font);
  font-weight: 800;
  letter-spacing: -0.02em;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
summary {
  font: inherit;
}

button {
  border: 0;
}

:focus-visible {
  outline: 3px solid rgba(242, 183, 5, 0.7);
  outline-offset: 3px;
}

[id] {
  scroll-margin-top: 136px;
}

.container {
  width: min(calc(100% - 32px), var(--container));
  margin-inline: auto;
}

.section {
  padding: 76px 0;
}

.section-header {
  max-width: 720px;
  margin: 0 auto 38px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: var(--primary-dark);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 22px;
  height: 3px;
  border-radius: 999px;
  background: var(--accent);
  content: "";
}

.section-title {
  margin: 0;
  color: var(--navy);
  font-size: clamp(2rem, 6vw, 2.75rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.section-copy {
  margin: 16px auto 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(219, 228, 236, 0.78);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 10px 32px rgba(8, 47, 73, 0.05);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
}

.navbar {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 11px;
  color: #ffffff;
  background: linear-gradient(145deg, var(--primary), var(--primary-dark));
  box-shadow: 0 8px 18px rgba(2, 132, 199, 0.25);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo-text {
  font-size: 1rem;
  line-height: 1.1;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 3px;
  padding: 5px;
  border: 1px solid rgba(219, 228, 236, 0.9);
  border-radius: 999px;
  color: #3c485a;
  background: rgba(238, 244, 248, 0.88);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 6px 18px rgba(8, 47, 73, 0.05);
  font-size: 0.9rem;
  font-weight: 750;
}

.nav-links a {
  padding: 8px 13px;
  border-radius: 999px;
  white-space: nowrap;
  transition:
    color 180ms ease,
    background-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"],
.nav-links a.is-active {
  color: var(--primary-dark);
  background: #ffffff;
  box-shadow: 0 5px 14px rgba(7, 89, 133, 0.12);
}

.nav-links a:active {
  color: #ffffff;
  background: var(--primary);
  transform: translateY(1px);
}

.header-actions {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 16px;
}

.login-link {
  display: none;
  color: var(--primary-dark);
  font-size: 0.92rem;
  font-weight: 800;
  transition: color 180ms ease;
}

.login-link:hover {
  color: var(--primary);
}

.mobile-nav-strip {
  position: relative;
  width: 100%;
  overflow-x: auto;
  border-top: 1px solid rgba(219, 228, 236, 0.65);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.mobile-nav-strip::-webkit-scrollbar {
  display: none;
}

.mobile-nav-inner {
  display: flex;
  width: max-content;
  min-width: 100%;
  gap: 7px;
  padding: 8px max(16px, calc((100vw - var(--container)) / 2));
}

.mobile-nav-inner a {
  flex: 0 0 auto;
  padding: 7px 12px;
  border: 1px solid #d8e5ed;
  border-radius: 999px;
  color: #405064;
  background: rgba(246, 249, 251, 0.94);
  font-size: 0.82rem;
  font-weight: 800;
  white-space: nowrap;
  transition:
    color 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.mobile-nav-inner a:hover,
.mobile-nav-inner a:focus-visible,
.mobile-nav-inner a:active {
  border-color: #9ed4ef;
  color: var(--primary-dark);
  background: #eaf7fd;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 19px;
  border: 1px solid transparent;
  border-radius: 12px;
  cursor: pointer;
  font-size: 0.94rem;
  font-weight: 800;
  line-height: 1.2;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #ffffff;
  background: var(--primary);
  box-shadow: 0 12px 26px rgba(2, 132, 199, 0.23);
}

.button-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 15px 30px rgba(7, 89, 133, 0.27);
}

.button-secondary {
  border-color: #bdd7e7;
  color: var(--primary-dark);
  background: #ffffff;
}

.button-secondary:hover {
  border-color: var(--primary);
  background: #eff9ff;
}

.button-compact {
  min-height: 42px;
  padding: 10px 15px;
  font-size: 0.88rem;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 68px 0 58px;
  background:
    radial-gradient(circle at 90% 12%, rgba(2, 132, 199, 0.14), transparent 32%),
    radial-gradient(circle at 4% 80%, rgba(242, 183, 5, 0.1), transparent 27%),
    linear-gradient(180deg, #ffffff 0%, var(--background) 100%);
}

.hero::before {
  position: absolute;
  top: 34px;
  right: 7%;
  width: 210px;
  height: 210px;
  border: 1px solid rgba(2, 132, 199, 0.13);
  border-radius: 50%;
  content: "";
}

.hero-grid {
  position: relative;
  display: grid;
  gap: 50px;
  align-items: center;
}

.hero-content {
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  padding: 7px 12px;
  border: 1px solid #cce6f4;
  border-radius: 999px;
  color: var(--primary-dark);
  background: #eff9ff;
  font-size: 0.82rem;
  font-weight: 800;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(242, 183, 5, 0.16);
}

.hero h1 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(2.35rem, 7vw, 2.875rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.hero h1 span {
  color: var(--primary);
}

.hero-copy {
  max-width: 630px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1.04rem, 3vw, 1.19rem);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 30px;
}

.hero-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 20px;
  color: #465468;
  font-size: 0.91rem;
  font-weight: 500;
}

.hero-note svg {
  flex: 0 0 auto;
  margin-top: 3px;
  color: var(--success);
}

.app-visual {
  position: relative;
  width: min(100%, 540px);
  margin-inline: auto;
  perspective: 1300px;
}

.app-visual::before {
  position: absolute;
  inset: 12% 4% -5%;
  border-radius: 38px;
  background: rgba(2, 132, 199, 0.18);
  filter: blur(38px);
  content: "";
}

.app-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid #cddde7;
  border-radius: 26px;
  background: #ffffff;
  box-shadow:
    0 34px 80px rgba(7, 89, 133, 0.2),
    0 8px 24px rgba(7, 89, 133, 0.1);
  transform: rotateY(-4deg) rotateX(1.5deg) rotateZ(0.5deg);
  transform-origin: center;
}

.proof-bar {
  border-block: 1px solid var(--line);
  background: #ffffff;
}

.proof-grid {
  display: grid;
}

.proof-item {
  display: grid;
  justify-items: center;
  padding: 22px 12px;
  text-align: center;
}

.proof-item + .proof-item {
  border-top: 1px solid var(--line);
}

.proof-icon {
  display: grid;
  width: 38px;
  height: 38px;
  margin-bottom: 10px;
  place-items: center;
  border-radius: 12px;
  color: var(--primary-dark);
  background: #eaf7fd;
}

.proof-item:nth-child(2) .proof-icon {
  color: #765a00;
  background: #fff7d6;
}

.proof-item:nth-child(3) .proof-icon {
  color: var(--success);
  background: #eaf8ee;
}

.proof-item strong {
  display: block;
  color: var(--navy);
  font-size: 1.08rem;
  line-height: 1.25;
}

.proof-item span:not(.proof-icon) {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.86rem;
}

.steps-grid,
.subjects-grid,
.feature-pair {
  display: grid;
  gap: 18px;
}

.step-card,
.subject-card,
.feature-card {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.step-card {
  min-height: 100%;
  padding: 26px;
  border-radius: var(--radius-md);
}

.step-icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  place-items: center;
  border-radius: 15px;
  color: var(--primary-dark);
  background: #e9f7ff;
}

.step-card:nth-child(2) .step-icon {
  color: #765a00;
  background: #fff7d6;
}

.step-card:nth-child(3) .step-icon {
  color: var(--success);
  background: #eaf8ee;
}

.step-card h3,
.subject-card h3,
.feature-card h3 {
  margin: 0;
  color: var(--navy);
  line-height: 1.25;
}

.step-card p,
.feature-card p {
  margin: 10px 0 0;
  color: var(--muted);
}

.subjects-section {
  background: #ffffff;
}

.subject-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  border-radius: 16px;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.subject-card:hover {
  transform: translateY(-3px);
  border-color: #9ed4ef;
  box-shadow: 0 16px 34px rgba(7, 89, 133, 0.12);
}

.subject-icon {
  display: grid;
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 14px;
  color: var(--primary-dark);
  background: #eef8fd;
}

.ai-section {
  position: relative;
  overflow: hidden;
  padding: 82px 0;
  color: #ffffff;
  background:
    radial-gradient(circle at 90% 15%, rgba(2, 132, 199, 0.32), transparent 31%),
    linear-gradient(140deg, var(--navy-deep), var(--navy));
}

.ai-section::after {
  position: absolute;
  right: -100px;
  bottom: -150px;
  width: 350px;
  height: 350px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  content: "";
}

.ai-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 40px;
  align-items: center;
}

.ai-copy {
  max-width: 570px;
}

.ai-copy .eyebrow {
  color: #8dd7ff;
}

.ai-copy h2 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(2.1rem, 7vw, 2.875rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.ai-copy > p {
  margin: 18px 0 0;
  color: #c7ddea;
  font-size: 1.06rem;
}

.ai-points {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.ai-points li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  color: #e8f5fb;
  font-weight: 500;
}

.ai-points svg {
  flex: 0 0 auto;
  margin-top: 4px;
  color: var(--accent);
}

.chat-panel {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(12px);
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 4px 17px;
  color: #ffffff;
  font-weight: 800;
}

.ai-avatar {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 14px;
  color: var(--navy);
  background: var(--accent);
}

.chat-status {
  display: block;
  color: #b8d2df;
  font-size: 0.8rem;
  font-weight: 500;
}

.chat-body {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 22px;
  background: #eef5f8;
}

.chat-bubble {
  max-width: 93%;
  padding: 15px 17px;
  border-radius: 22px;
  font-size: 0.95rem;
  line-height: 1.65;
}

.chat-bubble.user {
  justify-self: end;
  border-bottom-right-radius: 8px;
  color: #ffffff;
  background: #0276b3;
}

.chat-bubble.ai {
  justify-self: start;
  border: 1px solid #d3e1e8;
  border-bottom-left-radius: 8px;
  color: #1f3042;
  background: #ffffff;
}

.chat-bubble strong {
  display: block;
  margin-bottom: 5px;
  color: var(--primary-dark);
}

.feature-card {
  position: relative;
  overflow: hidden;
  padding: 30px;
  border-radius: var(--radius-md);
}

.feature-card::after {
  position: absolute;
  top: -34px;
  right: -34px;
  width: 108px;
  height: 108px;
  border-radius: 50%;
  background: rgba(2, 132, 199, 0.07);
  content: "";
}

.feature-card.accent::after {
  background: rgba(242, 183, 5, 0.13);
}

.feature-icon {
  display: grid;
  width: 54px;
  height: 54px;
  margin-bottom: 22px;
  place-items: center;
  border-radius: 16px;
  color: #ffffff;
  background: linear-gradient(145deg, var(--primary), var(--primary-dark));
  box-shadow: 0 12px 24px rgba(2, 132, 199, 0.21);
}

.feature-card.accent .feature-icon {
  color: var(--navy);
  background: var(--accent);
  box-shadow: 0 12px 24px rgba(242, 183, 5, 0.22);
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.feature-tags span {
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--primary-dark);
  background: #edf8fd;
  font-size: 0.79rem;
  font-weight: 800;
}

.try-section {
  position: relative;
  overflow: hidden;
  border-top: 0;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 12% 8%, rgba(2, 132, 199, 0.11), transparent 27%),
    radial-gradient(circle at 88% 86%, rgba(242, 183, 5, 0.08), transparent 25%),
    linear-gradient(180deg, #f9fcfe 0%, #edf6fa 100%);
}

.try-section::before {
  position: absolute;
  top: 100px;
  right: -90px;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(2, 132, 199, 0.12);
  border-radius: 50%;
  content: "";
}

.demo-heading-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.demo-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border: 1px solid #e8d27a;
  border-radius: 999px;
  color: #665000;
  background: #fff7d6;
  box-shadow: 0 6px 16px rgba(118, 90, 0, 0.08);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.07em;
  line-height: 1;
  white-space: nowrap;
}

.try-grid {
  position: relative;
  display: grid;
  gap: 22px;
}

.try-block {
  position: relative;
  min-width: 0;
  overflow: hidden;
  padding: 27px 25px 25px;
  border: 1px solid #d1e1ea;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow:
    0 22px 52px rgba(7, 89, 133, 0.13),
    0 4px 12px rgba(8, 47, 73, 0.05);
}

.try-block::before {
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, var(--primary), #38bdf8);
  content: "";
}

.try-block:nth-child(2)::before {
  background: linear-gradient(90deg, var(--accent), #f7d65c);
}

.try-block:nth-child(3)::before {
  background: linear-gradient(90deg, var(--success), #6cc987);
}

.try-block-wide {
  grid-column: 1 / -1;
}

.try-block-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}

.try-icon {
  display: grid;
  width: 45px;
  height: 45px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 14px;
  color: #ffffff;
  background: linear-gradient(145deg, var(--primary), var(--primary-dark));
  box-shadow: 0 10px 22px rgba(2, 132, 199, 0.2);
}

.try-block:nth-child(2) .try-icon {
  color: var(--navy);
  background: var(--accent);
  box-shadow: 0 10px 22px rgba(242, 183, 5, 0.2);
}

.try-block:nth-child(3) .try-icon {
  background: linear-gradient(145deg, #1f9a4c, var(--success));
  box-shadow: 0 10px 22px rgba(21, 128, 61, 0.18);
}

.try-block h3 {
  margin: 0;
  color: var(--navy);
  font-size: 1.22rem;
  line-height: 1.25;
}

.try-block-header p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

#ds-alan {
  min-height: 260px;
}

.ds-start {
  display: grid;
  min-height: 210px;
  place-items: center;
  align-content: center;
  gap: 18px;
  padding: 28px;
  border: 1px dashed #9fcce2;
  border-radius: 17px;
  background: #f5fbfe;
  text-align: center;
}

.ds-start p {
  max-width: 510px;
  margin: 0;
  color: var(--muted);
}

.ds-kart {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #ffffff;
}

.ds-ders {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--primary-dark);
  background: #eaf7fd;
  font-size: 0.78rem;
  font-weight: 800;
}

.ds-soru {
  margin: 18px 0;
  color: var(--text);
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.55;
}

.ds-siklar {
  display: grid;
  gap: 10px;
}

.ds-sik {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  background: #ffffff;
  cursor: pointer;
  font-weight: 600;
  text-align: left;
}

.ds-sik:hover {
  border-color: var(--primary);
  background: #f3faff;
}

.ds-sik.dogru {
  border-color: #86c99a;
  color: #11632d;
  background: #eaf8ee;
}

.ds-sik.yanlis {
  border-color: #e6a3a3;
  color: #991b1b;
  background: #fff0f0;
}

.ds-aciklama {
  display: none;
  margin-top: 16px;
  padding: 15px;
  border-left: 4px solid var(--primary);
  border-radius: 10px;
  color: #34465a;
  background: #edf8fd;
}

.ds-aciklama.is-visible,
.ds-aciklama.goster {
  display: block;
}

.ds-alt {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.88rem;
}

#da-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#da-soru {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  border: 1px solid #cddde7;
  border-radius: 12px;
  color: var(--text);
  background: #ffffff;
}

#da-soru::placeholder {
  color: #7a8798;
}

#da-soru:focus {
  border-color: var(--primary);
  outline: 3px solid rgba(2, 132, 199, 0.12);
}

#da-log {
  display: grid;
  min-height: 145px;
  max-height: 320px;
  gap: 10px;
  margin-top: 14px;
  padding: 14px;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #f4f8fa;
}

.da-empty {
  place-self: center;
  margin: 0;
  color: #738194;
  font-size: 0.9rem;
  text-align: center;
}

.da-ben,
.da-ai {
  max-width: 88%;
  padding: 11px 13px;
  border-radius: 15px;
  font-size: 0.92rem;
  line-height: 1.55;
}

.da-ben {
  justify-self: end;
  border-bottom-right-radius: 5px;
  color: #ffffff;
  background: var(--primary);
}

.da-ai {
  justify-self: start;
  border: 1px solid var(--line);
  border-bottom-left-radius: 5px;
  color: var(--text);
  background: #ffffff;
}

.try-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.exam-showcase {
  display: grid;
  gap: 22px;
}

.exam-copy h4 {
  margin: 0;
  color: var(--navy);
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.exam-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.exam-badges span {
  padding: 7px 10px;
  border: 1px solid #cce1ec;
  border-radius: 999px;
  color: var(--primary-dark);
  background: #f1f9fd;
  font-size: 0.78rem;
  font-weight: 800;
}

.report-mockup {
  overflow: hidden;
  border: 1px solid #d3e1e8;
  border-radius: 18px;
  background: #f8fbfc;
}

.report-mockup svg {
  width: 100%;
  height: auto;
}

.exam-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.faq-section {
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.faq-layout {
  display: grid;
  gap: 30px;
}

.faq-intro {
  max-width: 470px;
}

.faq-intro .section-title {
  font-size: clamp(2rem, 6vw, 2.65rem);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--background);
}

.faq-item[open] {
  border-color: #a8d8ef;
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  color: var(--navy);
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-right: 2px solid var(--primary);
  border-bottom: 2px solid var(--primary);
  content: "";
  transform: rotate(45deg);
  transition: transform 180ms ease;
}

.faq-item[open] summary::after {
  transform: rotate(225deg);
}

.faq-answer {
  padding: 0 20px 20px;
  color: var(--muted);
}

.faq-answer p {
  margin: 0;
}

.site-footer {
  padding: 48px 0 28px;
  color: #c2d5e1;
  background: var(--navy-deep);
}

.footer-grid {
  display: grid;
  gap: 32px;
}

.footer-brand {
  max-width: 520px;
}

.footer-brand .logo {
  color: #ffffff;
}

.footer-brand p {
  margin: 16px 0 0;
  color: #9fb9c8;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  align-content: start;
}

.footer-links a {
  color: #d7e7ef;
  font-size: 0.92rem;
  font-weight: 700;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: grid;
  gap: 8px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.11);
  color: #849fac;
  font-size: 0.82rem;
}

.responsibility-note {
  max-width: 850px;
  margin: 0;
  color: #9fb9c8;
}

@media (min-width: 560px) {
  .hero-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .subjects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .proof-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .proof-item + .proof-item {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  #da-form {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .ds-siklar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .section {
    padding: 96px 0;
  }

  .steps-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .feature-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .try-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .exam-showcase {
    grid-template-columns: minmax(230px, 0.7fr) minmax(0, 1.3fr);
    align-items: center;
  }

  .footer-grid {
    grid-template-columns: 1.2fr 1fr;
    align-items: start;
  }

  .footer-links {
    justify-content: flex-end;
  }
}

@media (min-width: 940px) {
  [id] {
    scroll-margin-top: 94px;
  }

  .nav-links {
    display: flex;
  }

  .login-link {
    display: inline-flex;
  }

  .mobile-nav-strip {
    display: none;
  }
}

@media (min-width: 980px) {
  .hero {
    padding: 96px 0 82px;
  }

  .hero-grid,
  .ai-grid,
  .faq-layout {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .hero-content {
    grid-column: span 7;
  }

  .app-visual {
    grid-column: span 5;
  }

  .subjects-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .ai-copy {
    grid-column: span 6;
  }

  .chat-panel {
    grid-column: 8 / span 5;
  }

  .faq-intro {
    grid-column: span 5;
  }

  .faq-list {
    grid-column: 6 / span 7;
  }
}

@media (max-width: 719px) {
  .app-frame {
    transform: none;
  }
}

@media (max-width: 520px) {
  .logo-text {
    max-width: 112px;
    font-size: 0.9rem;
  }

  .navbar {
    gap: 10px;
  }

  .header-actions {
    gap: 8px;
  }

  .header-actions .button {
    min-height: 40px;
    padding: 9px 13px;
    font-size: 0.84rem;
  }

  .try-block {
    padding: 24px 20px 20px;
  }

  .demo-heading-line {
    gap: 10px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* ═══ HEADER GUVENCE BLOGU (02.08, kurucu 17080: "komple degissin, sen yap") ═══
   Tur4 CSS'i header siniflarini eksik birakmisti; bu blok en sonda oldugu icin kazanir. */
.site-header { position: sticky; top: 0; z-index: 60; background: rgba(255,255,255,.86); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid rgba(7,89,133,.10) }
.site-header .navbar { display: flex; align-items: center; gap: 22px; max-width: 1160px; margin: 0 auto; padding: 12px 22px }
.site-header .logo { display: flex; align-items: center; gap: 10px; text-decoration: none }
.site-header .logo-mark { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 12px; background: #075985; color: #fff; font-weight: 800; font-size: 13px; letter-spacing: .3px; box-shadow: inset 0 -4px 0 #f2b705 }
.site-header .logo-text { font-weight: 800; font-size: 16.5px; color: #0c2d3f; letter-spacing: -.2px }
.site-header .nav-links { display: flex; align-items: center; gap: 4px; margin: 0 auto; padding: 5px; background: #eef4f8; border-radius: 999px }
.site-header .nav-links a { padding: 8px 16px; border-radius: 999px; font-size: 13.5px; font-weight: 700; color: #33566b; text-decoration: none; transition: background .15s, color .15s }
.site-header .nav-links a:hover { background: #fff; color: #075985; box-shadow: 0 2px 8px rgba(7,89,133,.10) }
.site-header .header-actions { display: flex; align-items: center; gap: 14px }
.site-header .login-link { font-size: 14px; font-weight: 700; color: #33566b; text-decoration: none }
.site-header .login-link:hover { color: #075985 }
.site-header .header-actions .button { background: #0284c7; color: #fff; font-weight: 800; font-size: 13.5px; padding: 10px 20px; border-radius: 999px; text-decoration: none; box-shadow: 0 6px 16px rgba(2,132,199,.28) }
.site-header .header-actions .button:hover { background: #075985 }
.mobile-nav-strip { display: none }
@media (max-width: 899px) {
  .site-header .nav-links { display: none }
  .site-header .navbar { padding: 10px 16px }
  .site-header .logo-text { font-size: 15px }
  .mobile-nav-strip { display: block; border-top: 1px solid rgba(7,89,133,.08); background: rgba(255,255,255,.95) }
  .mobile-nav-inner { display: flex; gap: 6px; overflow-x: auto; padding: 8px 14px; -webkit-overflow-scrolling: touch }
  .mobile-nav-inner a { flex: none; padding: 7px 14px; border-radius: 999px; background: #eef4f8; font-size: 12.5px; font-weight: 700; color: #33566b; text-decoration: none; white-space: nowrap }
}