/* AInvest.com.tr — landing (statik, no build) */
:root {
  color-scheme: dark;
  --bg: #070a0f;
  --bg-elevated: #0d1219;
  --surface: #111827;
  --surface-border: color-mix(in srgb, #e2e8f0 12%, transparent);
  --text: #e8eef7;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-dim: #0ea5e9;
  --warn-bg: #1c1410;
  --warn-border: #d97706;
  --radius: 14px;
  --radius-sm: 10px;
  --max: 72rem;
  --nav-h: 4rem;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.65;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

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

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: color-mix(in srgb, var(--accent) 85%, white);
}

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

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* —— Top bar —— */
.site-top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--surface-border);
}

.site-top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--nav-h);
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  text-decoration: none;
  color: inherit;
}

.brand:hover {
  color: inherit;
}

.brand__mark {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dim);
  font-weight: 700;
}

.brand__name {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--surface-border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle__bars {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle__bars span {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav a {
  color: color-mix(in srgb, var(--text) 92%, var(--accent));
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.45rem 0.65rem;
  border-radius: 8px;
}

.nav a:hover {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.25rem 1.25rem;
    background: color-mix(in srgb, var(--bg) 96%, black);
    border-bottom: 1px solid var(--surface-border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.28s ease, opacity 0.28s ease;
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav a {
    padding: 0.65rem 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav {
    transition: none;
  }
}

/* —— Hero —— */
.hero {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(2rem, 4vw, 3rem);
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 55%),
    var(--bg);
}

.hero__inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.hero__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-dim);
  margin-bottom: 0.85rem;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4.8vw, 3.15rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 800;
  max-width: 18ch;
}

.hero__lede {
  margin: 0 0 1.5rem;
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: color-mix(in srgb, var(--text) 88%, var(--muted));
  max-width: 52ch;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: #042f2e;
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

.btn--primary:hover {
  filter: brightness(1.06);
  color: #042f2e;
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--surface-border);
}

.btn--ghost:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--text);
}

.warn {
  margin: 0;
  padding: 1rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid var(--warn-border);
  background: var(--warn-bg);
  font-size: 0.95rem;
  max-width: 62ch;
}

.warn strong {
  color: #fdba74;
}

/* —— Trust strip —— */
.trust-strip {
  padding: 1.75rem 0;
  border-block: 1px solid var(--surface-border);
  background: var(--bg-elevated);
}

.trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

@media (max-width: 900px) {
  .trust-strip__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.trust-card {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--surface-border);
  background: color-mix(in srgb, var(--surface) 55%, transparent);
}

.trust-card__label {
  margin: 0 0 0.35rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.trust-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.45;
}

/* —— Sections generic —— */
main {
  display: block;
}

.section {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.section__head {
  max-width: 48rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.section__eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dim);
}

.section h2 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.45rem, 2.8vw, 1.85rem);
  letter-spacing: -0.02em;
}

.section__intro {
  margin: 0;
  color: var(--muted);
  max-width: 52ch;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

@media (max-width: 768px) {
  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}

.metric {
  padding: 1.15rem;
  border-radius: var(--radius);
  border: 1px solid var(--surface-border);
  background: var(--surface);
}

.metric__value {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.metric__label {
  margin: 0.35rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.35;
}

/* —— Source band —— */
.source-band {
  padding: 1.25rem 0;
  background: var(--surface);
  border-block: 1px solid var(--surface-border);
}

.source-band__label {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto 0.75rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.source-band__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  align-items: center;
}

.source-band__links a {
  display: inline-flex;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--surface-border);
  background: color-mix(in srgb, var(--bg) 65%, transparent);
  color: var(--text);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
}

.source-band__links a:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

/* —— Quote —— */
.quote-block {
  padding: clamp(2rem, 4vw, 3rem) 0;
}

.quote-block__inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: var(--radius);
  border: 1px solid var(--surface-border);
  background: linear-gradient(145deg, color-mix(in srgb, var(--surface) 90%, var(--accent)), var(--surface));
}

.quote-block blockquote {
  margin: 0;
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.015em;
}

.quote-block cite {
  display: block;
  margin-top: 1rem;
  font-size: 0.85rem;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* —— Two columns —— */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

@media (max-width: 900px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

.panel {
  padding: 1.5rem 1.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--surface-border);
  background: var(--bg-elevated);
  height: 100%;
}

.panel__icon {
  font-size: 1.5rem;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.panel h3 {
  margin: 0 0 0.65rem;
  font-size: 1.15rem;
}

.panel ul {
  margin: 0 0 1rem;
  padding-left: 1.15rem;
  color: var(--muted);
}

.panel li {
  margin: 0.4rem 0;
}

.panel .btn {
  margin-top: 0.25rem;
}

/* —— Module cards —— */
.module-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.75rem;
}

@media (max-width: 1024px) {
  .module-grid {
    grid-template-columns: 1fr;
  }
}

.module-card {
  display: flex;
  flex-direction: column;
  padding: 1.35rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--surface-border);
  background: var(--surface);
  min-height: 100%;
}

.module-card__tag {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent);
  margin-bottom: 0.65rem;
}

.module-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.08rem;
}

.module-card p {
  margin: 0 0 1rem;
  flex: 1;
  color: var(--muted);
  font-size: 0.96rem;
}

.module-card__foot {
  margin-top: auto;
}

.module-card__foot a {
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
}

.module-card__foot a:hover {
  text-decoration: underline;
}

/* —— Topics row (no fake “coming soon”) —— */
.topics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

@media (max-width: 900px) {
  .topics-row {
    grid-template-columns: 1fr;
  }
}

.topic-card {
  padding: 1.25rem 1.35rem;
  border-radius: var(--radius-sm);
  border: 1px dashed color-mix(in srgb, var(--muted) 45%, transparent);
  background: color-mix(in srgb, var(--bg-elevated) 80%, transparent);
}

.topic-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.topic-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
}

/* —— Markets (prose) —— */
.markets-prose {
  margin-top: 1.25rem;
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  border-radius: var(--radius);
  border: 1px solid var(--surface-border);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
}

.markets-prose p {
  margin: 0 0 1rem;
  max-width: 65ch;
}

.markets-prose p:last-child {
  margin-bottom: 0;
}

/* —— Resources lists —— */
.resource-lists h3 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.05rem;
}

.resource-lists ul {
  margin: 0.25rem 0 0;
  padding-left: 1.2rem;
}

.resource-lists li {
  margin: 0.35rem 0;
}

.muted {
  color: var(--muted);
  font-size: 0.95rem;
}

/* —— Contact / steps —— */
.contact-panel {
  margin-top: 1.5rem;
  padding: clamp(1.75rem, 3vw, 2.5rem);
  border-radius: var(--radius);
  border: 1px solid var(--surface-border);
  background: var(--surface);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
  counter-reset: step;
}

@media (max-width: 768px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

.step {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--surface-border);
  background: var(--bg-elevated);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 800;
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.step h3 {
  margin: 0 0 0.35rem;
  font-size: 0.98rem;
}

.step p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

/* —— Footer —— */
.site-footer {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--surface-border);
  background: var(--bg-elevated);
  font-size: 0.92rem;
}

.site-footer__inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-footer p {
  margin: 0.5rem 0;
  color: var(--muted);
}

.site-footer__ai {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--surface-border);
  color: var(--text);
  font-weight: 600;
}

/* —— Scroll reveal —— */
.reveal {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition:
      opacity 0.55s ease,
      transform 0.55s ease;
  }

  .reveal.reveal--visible {
    opacity: 1;
    transform: none;
  }
}