/* ============================================
   PRANCHALVERSE — contact.css
   Split-screen contact · Dark violet · 2025
   ============================================ */

/* ─── TOKENS ─── */
:root {
  --bg:         #0a0a0f;
  --bg-card:    #111118;
  --bg-card2:   #16161f;
  --accent:     #7c6dfa;
  --accent2:    #c084fc;
  --text:       #e8e8f0;
  --text-muted: #7a7a8e;
  --border:     rgba(124, 109, 250, 0.15);
  --border-hover: rgba(124, 109, 250, 0.4);

  --c-purple: #7c6dfa;
  --c-teal:   #1d9e75;
  --c-amber:  #ef9f27;

  --font-display: 'Syne', sans-serif;
  --font-body:    'Inter', sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
main { flex: 1; }

/* ─── CURSOR ─── */
.cursor {
  position: fixed;
  width: 36px; height: 36px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width .2s var(--ease-out), height .2s var(--ease-out), border-color .2s;
  will-change: left, top;
}
.cursor-dot {
  position: fixed;
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  will-change: left, top;
}
body:has(a:hover) .cursor,
body:has(button:hover) .cursor {
  width: 56px; height: 56px;
  border-color: var(--accent2);
  background: rgba(124,109,250,.07);
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

/* ─── NAVBAR ─── */
.navbar {
  height: 100px;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 5vw;
  background: rgba(10,10,15,0);
  backdrop-filter: blur(0);
  border-bottom: 1px solid transparent;
  transition: background .4s, backdrop-filter .4s, border-color .4s;
}
.navbar.scrolled {
  background: rgba(10,10,15,.88);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.nav-logo img {
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  font-size: .8rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--text-muted);
  position: relative; transition: color .25s;
}
.nav-links a::after {
  content: ''; position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width .3s var(--ease-out);
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 1.5px;
  background: var(--text); transition: transform .3s, opacity .3s;
}

/* ─── REVEAL ─── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .65s var(--ease-out), transform .65s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── CONTACT PAGE SPLIT ─── */
.contact-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  padding-top: 80px; /* navbar offset */
}

/* ─── LEFT PANEL ─── */
.contact-left {
  position: relative;
  display: flex;
  align-items: center;
  padding: 5rem 5vw 5rem 5vw;
  overflow: hidden;
}

/* ambient glow */
.contact-left::before {
  content: '';
  position: absolute;
  top: 10%; left: -20%;
  width: 80%; height: 80%;
  background: radial-gradient(ellipse, rgba(124,109,250,.10) 0%, transparent 70%);
  pointer-events: none;
  animation: leftGlow 8s ease-in-out infinite alternate;
}
@keyframes leftGlow {
  from { opacity: .5; transform: scale(1); }
  to   { opacity: 1;  transform: scale(1.1); }
}

/* decorative big bg letter */
.contact-left::after {
  content: '?';
  position: absolute;
  bottom: -4rem; right: -1rem;
  font-family: var(--font-display);
  font-size: 22rem;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px rgba(124,109,250,.04);
  pointer-events: none;
  user-select: none;
  line-height: 1;
}

.contact-left-inner { position: relative; z-index: 1; max-width: 480px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .78rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--accent); font-weight: 500; margin-bottom: 1.2rem;
}
.contact-heading {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.02em;
  margin-bottom: 1.4rem;
}
.contact-heading em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.contact-tagline {
  font-size: .92rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

/* detail cards */
.detail-cards { display: flex; flex-direction: column; gap: .8rem; margin-bottom: 2rem; }

.detail-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: border-color .3s, transform .3s var(--ease-out), box-shadow .3s;
}
a.detail-card:hover {
  border-color: var(--border-hover);
  transform: translateX(5px);
  box-shadow: 0 8px 28px rgba(124,109,250,.1);
}
.detail-icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.detail-icon i { font-size: 19px; }
.c-purple { background: rgba(124,109,250,.15); }
.c-purple i { color: var(--c-purple); }
.c-teal   { background: rgba(29,158,117,.15); }
.c-teal   i { color: var(--c-teal); }
.c-amber  { background: rgba(239,159,39,.15); }
.c-amber  i { color: var(--c-amber); }

.detail-label {
  display: block; font-size: .68rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 1px;
}
.detail-value {
  display: block; font-size: .85rem; color: var(--text);
  font-weight: 500;
}
.detail-arrow {
  margin-left: auto; font-size: 16px;
  color: var(--text-muted);
  transition: transform .25s var(--ease-out), color .25s;
  flex-shrink: 0;
}
a.detail-card:hover .detail-arrow {
  transform: translate(3px, -3px);
  color: var(--accent);
}

/* availability */
.availability {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .78rem; color: var(--text-muted);
  letter-spacing: .05em;
}
.avail-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 3px rgba(74,222,128,.2);
  animation: pulse 2.5s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(74,222,128,.2); }
  50%       { box-shadow: 0 0 0 7px rgba(74,222,128,.05); }
}

/* ─── RIGHT PANEL ─── */
.contact-right {
  display: flex;
  align-items: center;
  padding: 5rem 5vw 5rem 4vw;
  border-left: 1px solid var(--border);
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
}
.contact-right::before {
  content: '';
  position: absolute;
  bottom: -10%; right: -10%;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(192,132,252,.07), transparent 70%);
  pointer-events: none;
}

.contact-right-inner {
  position: relative; z-index: 1;
  width: 100%; max-width: 500px;
}

/* topic tabs */
.topic-tabs {
  display: flex; gap: 4px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 1.2rem;
  width: fit-content;
}
.tab {
  background: none; border: none;
  font-family: var(--font-body);
  font-size: .8rem; font-weight: 500;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--text-muted);
  padding: .45rem 1.1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background .25s, color .25s;
}
.tab:hover { color: var(--text); }
.tab.active {
  background: var(--accent);
  color: #fff;
}

.topic-desc {
  font-size: .82rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  min-height: 1.4em;
  transition: opacity .3s;
}

/* form */
.cform { display: flex; flex-direction: column; gap: 1.4rem; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

/* floating label input */
.fgroup {
  position: relative;
}
.fgroup input,
.fgroup textarea {
  width: 100%;
  background: var(--bg-card2);
  border: none;
  border-bottom: 1.5px solid rgba(124,109,250,.2);
  border-radius: 0;
  padding: 1.2rem .2rem .4rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: .92rem;
  outline: none;
  resize: none;
  transition: border-color .3s;
  caret-color: var(--accent);
}
.fgroup textarea { padding-top: 1.4rem; resize: none; }

.fgroup label {
  position: absolute;
  top: 1rem; left: .2rem;
  font-size: .88rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: top .25s var(--ease-out),
              font-size .25s var(--ease-out),
              color .25s;
}
/* float label when input has value or is focused */
.fgroup input:focus ~ label,
.fgroup input:not(:placeholder-shown) ~ label,
.fgroup textarea:focus ~ label,
.fgroup textarea:not(:placeholder-shown) ~ label {
  top: 0;
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
}

/* animated underline */
.fline {
  display: block;
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1.5px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width .35s var(--ease-out);
}
.fgroup input:focus ~ .fline,
.fgroup textarea:focus ~ .fline { width: 100%; }
.fgroup input:focus,
.fgroup textarea:focus { border-bottom-color: transparent; }

/* send button */
.btn-send {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700; font-size: .9rem; letter-spacing: .05em;
  padding: .95rem 2.2rem;
  border-radius: 100px;
  border: none; cursor: pointer;
  position: relative; overflow: hidden;
  transition: transform .25s var(--ease-out), box-shadow .25s;
  align-self: flex-start;
  margin-top: .4rem;
}
.btn-send::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  opacity: 0; transition: opacity .3s;
}
.btn-send:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(124,109,250,.35);
}
.btn-send:hover::before { opacity: 1; }
.btn-text, .btn-icon { position: relative; z-index: 1; }
.btn-icon { font-size: 16px; transition: transform .25s var(--ease-out); }
.btn-send:hover .btn-icon { transform: translateX(3px) rotate(-30deg); }

/* loader spinner (hidden by default) */
.btn-loader {
  display: none;
  position: relative; z-index: 1;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
.btn-send.loading .btn-text,
.btn-send.loading .btn-icon { display: none; }
.btn-send.loading .btn-loader { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* success state */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 1rem;
  padding: 3rem 2rem;
  animation: fadeUp .6s var(--ease-out) both;
}
.form-success.visible { display: flex; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.success-icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: rgba(74,222,128,.12);
  display: flex; align-items: center; justify-content: center;
}
.success-icon i { font-size: 32px; color: #4ade80; }
.form-success h3 {
  font-family: var(--font-display);
  font-size: 1.4rem; font-weight: 800;
}
.form-success p { font-size: .9rem; color: var(--text-muted); }
.btn-reset {
  background: none; border: 1px solid var(--border);
  color: var(--text-muted); font-family: var(--font-display);
  font-size: .82rem; font-weight: 600; letter-spacing: .06em;
  padding: .6rem 1.4rem; border-radius: 100px;
  cursor: pointer; transition: border-color .25s, color .25s;
  margin-top: .5rem;
}
.btn-reset:hover { border-color: var(--accent); color: var(--text); }

/* ─── FOOTER ─── */
.footer {
  padding: 1.8rem 5vw;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: .82rem;
  color: var(--text-muted);
}
.footer strong { color: var(--accent); }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .contact-page {
    grid-template-columns: 1fr;
  }
  .contact-left {
    padding: 5rem 5vw 3rem;
    min-height: auto;
  }
  .contact-left::after { display: none; }
  .contact-right {
    border-left: none;
    border-top: 1px solid var(--border);
    padding: 3rem 5vw 5rem;
  }
  .contact-right-inner { max-width: 100%; }
}
@media (max-width: 600px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; inset: 0;
    background: rgba(10,10,15,.97);
    backdrop-filter: blur(20px);
    justify-content: center; align-items: center;
    gap: 2.5rem; z-index: 99;
  }
  .nav-links.open a { font-size: 1.4rem; letter-spacing: .1em; }
  .form-row { grid-template-columns: 1fr; }
  .contact-heading { font-size: 2.2rem; }
}

/* ─── REDUCED MOTION ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .cursor, .cursor-dot { display: none; }
  body { cursor: auto; }
}