/* index.css */
/* Visual Hierarchy: Button is King. Text is Ghost (Matte Silver). */

:root {
  /* Hero Variables */
  --hero-size: clamp(40px, 5.6vw, 92px);
  --hero-gap: clamp(20px, 4vw, 56px);
  --logo-size: clamp(220px, 30vw, 460px);
  --stack-min: clamp(360px, 42vw, 560px);

  /* Button Variables - Punchy and Large */
  --btn-py: clamp(16px, 2.0vw, 20px);
  --btn-px: clamp(34px, 4.0vw, 60px);
  --btn-font: clamp(14px, 1.3vw, 15px);

  /* CTA Positioning */
  --cta-x: clamp(22px, calc(var(--pad-x) + 18px), 86px);
  --cta-top: calc(70% + 10px);
  --sub-gap: clamp(8px, 1.1vw, 12px);

  /* SEO Block */
  --seo-title-opacity: 1;
  --seo-opacity: 1;

  /* DOCS Variables */
  --docs-gap: clamp(18px, 3.2vw, 52px);
  --docs-divider: 1px solid var(--border-subtle);
  --docs-card-radius: 14px;
  --docs-card-pad: clamp(20px, 2.5vw, 28px);
  --docs-icon-big: clamp(42px, 5vw, 58px);

  /* --- COLORS (Matte Silver Theme) --- */
  --text-bright: #D1D1D1;
  --text-body: #B8B8B8;
  --text-muted: #808080;
}

/* HERO SECTION */
.hero {
  padding-top: var(--s-24);
  padding-bottom: var(--s-84);
}

.hero-rail {
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--s-32);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, var(--text-max)) minmax(260px, 1fr);
  gap: var(--hero-gap);
  align-items: start;
}

.hero-left { min-width: 0; }

.hero-stack {
  position: relative;
  min-height: var(--stack-min);
}

/* HERO TITLE - Ghosted / Background Element */
.hero-title {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  margin: 0;
  max-width: var(--text-max);
  font-size: var(--hero-size);
  line-height: 1.02;
  font-weight: 520;
  letter-spacing: 0.01em;

  color: var(--text-bright);

  /* Dimmed to prioritize button */
  opacity: 0.65;
  filter: contrast(0.85);

  text-rendering: geometricPrecision;
  pointer-events: none;
  font-synthesis: none;
  text-size-adjust: 100%;
  will-change: transform, opacity;
  min-height: 2.2em;
  transform-origin: 50% 50%;
  display: block;
}

/* CTA STACK */
.cta-stack {
  position: absolute;
  left: var(--cta-x);
  top: var(--cta-top);
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  z-index: 10;
}

.cta-stack::before {
  content: "";
  width: clamp(16px, 3.2vw, 34px);
  height: 1px;
  background: var(--border-subtle);
  opacity: 0.35;
  margin-bottom: var(--s-16);
}

/* BUTTON - THE VISUAL KING (toned, quieter glow) */
.ghost-button {
  padding: var(--btn-py) var(--btn-px);
  font-family: var(--font-mono);
  font-size: var(--btn-font);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-weight: 600;

  color: #FFFFFF;
  background: rgba(255,255,255, 0.06);
  border: 1px solid rgba(255,255,255, 0.42);

  opacity: 1;
  cursor: pointer;
  box-shadow: 0 0 18px rgba(255,255,255, 0.035);
  transition: all 0.2s ease;
}

.ghost-button:hover {
  background: rgba(255,255,255, 0.10);
  border-color: rgba(255,255,255, 0.70);
  box-shadow: 0 0 26px rgba(255,255,255, 0.08);
  transform: translateY(-1px);
}

.ghost-button:active { transform: translateY(1px); }

/* SUBTEXT */
.hero-sub {
  margin-top: var(--sub-gap);
  color: var(--text-body);
  opacity: 1;
  max-width: calc(var(--text-max) - var(--cta-x));
}
.hero-sub p { margin-bottom: var(--s-8); }

/* HERO RIGHT (LOGO) */
.hero-right {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: var(--s-12);
  pointer-events: none;
}

.hero-logo-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-18);
}

.hero-logo {
  width: var(--logo-size);
  max-width: 92%;
  height: auto;
  opacity: 0.12;
  filter: saturate(0.9);
}

.hero-wordmark {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: 0.7;
}

/* SEO BLOCK */
.seo-block {
  margin-top: clamp(18px, 3.0vw, 34px);
  max-width: 640px;
}

.seo-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: 1;
  margin-bottom: 10px;
}

.seo-text {
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-muted);
  opacity: 1;
  margin-bottom: 10px;
}

/* --- DOCS SECTION --- */
.docs-section {
  margin-top: clamp(28px, 4vw, 56px);
  margin-bottom: var(--s-84);
}

.docs-rail{
  border-top: var(--docs-divider);
  padding-top: clamp(22px, 3vw, 34px);
}

.docs-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--docs-gap);
  align-items: stretch;
}

/* LEFT COLUMN */
.docs-left{
  min-width: 0;
  padding-right: clamp(0px, 1.2vw, 8px);
}

.docs-title{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--s-24);
  font-weight: normal;
  opacity: 1;
}

/* Main copy */
.docs-copy p{
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
  margin-bottom: var(--s-16);
  max-width: 64ch;
}

.docs-points{
  margin-top: var(--s-24);
  display: grid;
  gap: 16px;
  padding-top: var(--s-16);
  border-top: var(--docs-divider);
}

.docs-point{
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: var(--s-16);
  align-items: baseline;
}

.docs-point-k{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: 1;
}

.docs-point-v{
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-body);
  opacity: 1;
}

.docs-note{
  margin-top: var(--s-24);
  padding-top: var(--s-16);
  border-top: var(--docs-divider);
  color: var(--text-muted);
  opacity: 0.8;
  font-size: 14px;
}

/* RIGHT COLUMN */
.docs-right{
  min-width: 0;
  border-left: var(--docs-divider);
  padding-left: var(--docs-gap);
  display: flex;
}

.docs-cards{
  width: 100%;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(12px, 1.6vw, 18px);
  align-content: start;
}

.docs-card{
  border: 1px solid var(--border-subtle);
  border-radius: var(--docs-card-radius);
  padding: var(--docs-card-pad);
  background: rgba(255,255,255,0.015);
  min-height: clamp(150px, 18vw, 190px);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.docs-card-icon{
  width: var(--docs-icon-big);
  height: var(--docs-icon-big);
  color: var(--text-bright);
  opacity: 0.75;
  margin-bottom: 14px;
}

.docs-card-icon svg{
  width: 100%;
  height: 100%;
  display: block;
}

.docs-card-title{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 520;
  color: var(--text-muted);
  opacity: 1;
  margin: 0 0 10px 0;
}

.docs-card-text{
  margin: 0;
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-body);
  opacity: 1;
  max-width: 42ch;
}

/* --- QUIET DETAILS SECTION (FAQ + Writing + Security) --- */
.quiet-section{
  margin-top: var(--s-84);
  margin-bottom: var(--s-84);
}

.quiet-rail{
  border-top: 1px solid var(--border-subtle);
  padding-top: clamp(22px, 3vw, 34px);
}

.quiet-grid{
  display: grid;
  grid-template-columns: 1.1fr 1fr 0.9fr;
  gap: clamp(18px, 3.2vw, 52px);
  align-items: start;
}

.quiet-title{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 12px 0;
}

.quiet-copy p{
  margin: 0 0 10px 0;
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-body);
}

.quiet-copy strong{
  font-weight: 600;
  color: var(--text-bright);
}

.quiet-links{
  display: grid;
  gap: 10px;
}

.quiet-links a{
  font-family: var(--font-ui);
  font-size: 15px;
  color: var(--text-body);
  text-decoration: none;
}

.quiet-links a:hover{ color: var(--text-bright); }

.quiet-meta{ margin-top: 12px; }

.quiet-more{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
}

.quiet-more:hover{ color: var(--text-bright); }

/* --- FOOTER --- */
.site-footer { padding-bottom: var(--s-48); }
.footer-links { display: flex; gap: var(--s-18); flex-wrap: wrap; font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); opacity: 0.8; }
.footer-links a:hover { color: var(--text-bright); opacity: 1; }
.footer-note { margin-top: 10px; color: var(--text-muted); font-size: 12px; opacity: 0.6; }

/* --- HEADER UTILITIES (Tor & Lang) --- */
.nav-utils {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: 24px;
  padding-left: 24px;
  border-left: 1px solid var(--border-subtle);
}

.util-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 6px;
  transition: background 0.2s ease;
  text-decoration: none;
}

.util-item:hover { background: rgba(255, 255, 255, 0.05); }

.util-icon {
  width: 18px;
  height: 18px;
  color: var(--text-body);
  display: flex;
}

.util-icon svg { width: 100%; height: 100%; }

.util-text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
}

.util-item:hover .util-text,
.util-item:hover .util-icon { color: var(--text-bright); }

/* --- MOBILE & RESPONSIVE --- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: clamp(18px, 3.5vw, 32px); }
  :root { --cta-top: calc(66% + 8px); }

  .docs-grid{ grid-template-columns: 1fr; }
  .docs-right{
    border-left: 0;
    padding-left: 0;
    margin-top: var(--s-24);
    padding-top: var(--s-24);
    border-top: var(--docs-divider);
  }

  .quiet-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  /* Stack links on mobile */
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }

  /* Move utilities below links */
  .nav-utils {
    width: 100%;
    border-left: none;
    margin-left: 0;
    padding-left: 0;
    padding-top: 16px;
    margin-top: 8px;
    border-top: 1px solid var(--border-subtle);
    justify-content: center;
  }

  .util-item {
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.02);
  }
}

@media (max-width: 600px){
  .docs-point{ grid-template-columns: 1fr; gap: 6px; }
  .docs-cards{ grid-template-columns: 1fr; }
  .docs-copy p { font-size: 17px; }
}

@media (max-width: 520px) {
  :root { --cta-top: calc(68% + 6px); }
  .ghost-button { letter-spacing: 0.30em; }
  .hero-title{ min-height: 3.0em; }
}

@media (max-width: 768px) {
  .docs-section { margin-top: var(--s-48); margin-bottom: var(--s-48); }
}