:root {
  --bg: #07070d;
  --s1: #0e0e18;
  --s2: #13131e;
  --s3: #181826;
  --b1: rgba(255, 255, 255, .055);
  --b2: rgba(255, 255, 255, .10);
  --b3: rgba(255, 255, 255, .16);
  --tx: #eeecfa;
  --mu: rgba(238, 236, 250, .40);
  --mu2: rgba(238, 236, 250, .20);
  --ac: #7b6ef6;
  --ac2: #43d4a6;
  --ac3: #f4637a;
  --ac4: #f5a623;
  --glow: rgba(123, 110, 246, .12);
  --fh: 'Syne', sans-serif;
  --fb: 'DM Sans', sans-serif;
  --fm: 'DM Mono', monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--tx);
  font-family: var(--fb);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}

::selection {
  background: var(--ac);
  color: #fff;
}

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

button {
  font-family: inherit;
}

/* ═══ CURSOR ═══ */
#cur, #cur2 {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
}

#cur {
  width: 7px;
  height: 7px;
  background: var(--ac);
  mix-blend-mode: exclusion;
  transition: transform .12s, background .2s;
}

#cur2 {
  width: 28px;
  height: 28px;
  border: 1.5px solid rgba(123, 110, 246, .55);
  z-index: 9998;
  transition: transform .14s;
}

/* ═══ CANVAS BG ═══ */
#particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .45;
}

/* ═══ PROGRESS BAR ═══ */
#pbar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ac), var(--ac2));
  z-index: 999;
  width: 0;
  transition: width .08s;
}

/* ═══ BACK-TO-TOP ═══ */
#btt {
  position: fixed;
  bottom: 1.8rem;
  right: 1.8rem;
  width: 36px;
  height: 36px;
  border: 1px solid var(--b2);
  background: var(--s1);
  color: var(--mu);
  border-radius: 3px;
  font-size: .95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 300;
  opacity: 0;
  transition: opacity .3s, color .2s, border-color .2s;
  pointer-events: none;
}

#btt.show {
  opacity: 1;
  pointer-events: all;
}

#btt:hover {
  color: var(--ac);
  border-color: var(--ac);
}

/* ═══ NAV ═══ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 3rem;
  border-bottom: 1px solid var(--b1);
  background: rgba(7, 7, 13, .86);
  backdrop-filter: blur(20px);
}

.nlogo {
  font-family: var(--fh);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -.02em;
  z-index: 1;
}

.nlogo .dot {
  color: var(--ac);
}

.nlinks {
  display: flex;
  gap: 1.7rem;
  align-items: center;
}

.nlinks a {
  font-size: .75rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--mu);
  font-family: var(--fm);
  transition: color .2s;
}

.nlinks a:hover {
  color: var(--tx);
}

.nbtn {
  padding: .38rem .95rem;
  border: 1px solid var(--ac2);
  border-radius: 2px;
  color: var(--ac2) !important;
  font-size: .7rem !important;
  letter-spacing: .05em !important;
  cursor: pointer;
  transition: background .2s, color .2s !important;
}

.nbtn:hover {
  background: var(--ac2);
  color: #000 !important;
}

/* ═══ HERO ═══ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 7rem 3rem 5rem;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.hbg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 50% 55% at 72% 33%, rgba(123, 110, 246, .10) 0%, transparent 58%), radial-gradient(ellipse 32% 42% at 14% 72%, rgba(67, 212, 166, .07) 0%, transparent 52%);
}

.hgrid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(var(--b1) 1px, transparent 1px), linear-gradient(90deg, var(--b1) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 85% 85% at 50% 50%, black 15%, transparent 100%);
}

.hc {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.hbadge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .25rem .75rem;
  border: 1px solid var(--b2);
  border-radius: 100px;
  font-size: .7rem;
  font-family: var(--fm);
  color: var(--ac2);
  letter-spacing: .05em;
  margin-bottom: 1.5rem;
  background: rgba(67, 212, 166, .04);
}

.hbadge .bd {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ac2);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .3; transform: scale(.55); }
}

h1 {
  font-family: var(--fh);
  font-size: clamp(2.6rem, 6.2vw, 5.8rem);
  font-weight: 800;
  line-height: .92;
  letter-spacing: -.04em;
  margin-bottom: 1.3rem;
}

.hac {
  color: var(--ac);
}

.hsub {
  display: block;
  font-weight: 400;
  font-size: .41em;
  letter-spacing: -.01em;
  color: var(--mu);
  margin-top: .3em;
  font-family: var(--fb);
}

.hdesc {
  max-width: 490px;
  color: var(--mu);
  font-size: .97rem;
  margin-bottom: 2.3rem;
  font-weight: 300;
  line-height: 1.9;
}

.hbtns {
  display: flex;
  gap: .8rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.bp {
  padding: .65rem 1.6rem;
  background: var(--ac);
  color: #fff;
  border: none;
  font-family: var(--fh);
  font-size: .86rem;
  font-weight: 700;
  border-radius: 2px;
  cursor: pointer;
  transition: transform .15s, box-shadow .2s;
}

.bp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(123, 110, 246, .38);
}

.bo {
  padding: .65rem 1.6rem;
  background: transparent;
  color: var(--tx);
  border: 1px solid var(--b2);
  font-family: var(--fh);
  font-size: .86rem;
  font-weight: 700;
  border-radius: 2px;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}

.bo:hover {
  border-color: var(--ac2);
  background: rgba(67, 212, 166, .06);
}

.hstats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.sn {
  font-family: var(--fh);
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1;
}

.sn em {
  color: var(--ac);
  font-style: normal;
}

.sl {
  font-size: .66rem;
  font-family: var(--fm);
  color: var(--mu);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-top: .18rem;
}

.cb {
  color: var(--ac);
  animation: cblink .85s infinite;
}

@keyframes cblink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* ═══ SECTIONS ═══ */
section {
  padding: 5.5rem 3rem;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.sl2 {
  font-family: var(--fm);
  font-size: .66rem;
  color: var(--ac);
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-bottom: .6rem;
  display: flex;
  align-items: center;
  gap: .6rem;
}

.sl2::before {
  content: '';
  flex: 0 0 18px;
  height: 1px;
  background: var(--ac);
}

h2 {
  font-family: var(--fh);
  font-size: clamp(1.7rem, 3.3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1.05;
  margin-bottom: 2.4rem;
}

.div {
  border-top: 1px solid var(--b1);
}

/* ═══ ABOUT ═══ */
.ag {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.at p {
  color: var(--mu);
  font-weight: 300;
  margin-bottom: .85rem;
  font-size: .97rem;
}

.at strong {
  color: var(--tx);
  font-weight: 500;
}

.ecards {
  display: flex;
  flex-direction: column;
  gap: .9rem;
}

.ec {
  padding: 1rem 1.2rem;
  border: 1px solid var(--b1);
  border-left: 3px solid var(--ac);
  background: var(--s1);
  border-radius: 0 4px 4px 0;
  transition: border-left-color .2s, background .2s;
}

.ec:hover {
  border-left-color: var(--ac2);
  background: var(--s2);
}

.ed {
  font-family: var(--fh);
  font-size: .83rem;
  font-weight: 700;
  color: var(--tx);
  margin-bottom: .18rem;
}

.ei {
  font-size: .76rem;
  color: var(--mu);
  font-weight: 300;
  line-height: 1.5;
}

.er {
  display: flex;
  gap: .65rem;
  margin-top: .4rem;
  align-items: center;
  flex-wrap: wrap;
}

.ey {
  font-family: var(--fm);
  font-size: .65rem;
  color: var(--ac);
  letter-spacing: .04em;
}

.eg {
  font-family: var(--fm);
  font-size: .65rem;
  color: var(--ac2);
  background: rgba(67, 212, 166, .08);
  padding: .08rem .42rem;
  border-radius: 2px;
}

/* ═══ SKILL BARS ═══ */
.sbars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.3rem 3rem;
  margin-bottom: 2.8rem;
}

.sbh {
  display: flex;
  justify-content: space-between;
  margin-bottom: .38rem;
}

.sbn {
  font-size: .8rem;
  font-weight: 500;
  color: var(--tx);
}

.sbp {
  font-family: var(--fm);
  font-size: .68rem;
  color: var(--ac);
  letter-spacing: .04em;
}

.sbt {
  height: 3px;
  background: var(--b2);
  border-radius: 100px;
  overflow: hidden;
}

.sbf {
  height: 100%;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--ac), var(--ac2));
  width: 0;
  transition: width 1.3s cubic-bezier(.22, .8, .25, 1);
}

.scats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .9rem;
}

.scat {
  padding: 1.1rem;
  border: 1px solid var(--b1);
  background: var(--s1);
  border-radius: 4px;
  transition: transform .2s, border-color .2s;
}

.scat:hover {
  transform: translateY(-3px);
  border-color: var(--b2);
}

.sci {
  font-size: 1.2rem;
  margin-bottom: .45rem;
}

.scn {
  font-family: var(--fh);
  font-size: .78rem;
  font-weight: 700;
  color: var(--tx);
  margin-bottom: .38rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: .25rem;
}

.tag {
  font-family: var(--fm);
  font-size: .61rem;
  padding: .14rem .44rem;
  border: 1px solid var(--b2);
  border-radius: 2px;
  color: var(--mu);
  letter-spacing: .02em;
}

/* ═══ LEARNING NOW ═══ */
.learn-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.lcard {
  padding: 1.1rem;
  border: 1px solid var(--b1);
  background: var(--s1);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  transition: border-color .2s;
}

.lcard::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ac), var(--ac2));
}

.lcard:hover {
  border-color: var(--b2);
}

.lc-icon {
  font-size: 1.4rem;
  margin-bottom: .45rem;
}

.lc-title {
  font-family: var(--fh);
  font-size: .82rem;
  font-weight: 700;
  color: var(--tx);
  margin-bottom: .2rem;
}

.lc-sub {
  font-size: .76rem;
  color: var(--mu);
  font-weight: 300;
}

.lc-prog {
  margin-top: .65rem;
  height: 2px;
  background: var(--b2);
  border-radius: 100px;
}

.lc-bar {
  height: 100%;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--ac), var(--ac2));
}

/* ═══ TIMELINE ═══ */
.tl {
  position: relative;
  padding-left: 2rem;
}

.tl::before {
  content: '';
  position: absolute;
  left: 0;
  top: .3rem;
  bottom: .3rem;
  width: 1px;
  background: linear-gradient(180deg, var(--ac), var(--ac2), transparent);
}

.tli {
  position: relative;
  padding: 0 0 2.3rem 2rem;
}

.tli:last-child {
  padding-bottom: 0;
}

.tldot {
  position: absolute;
  left: -2.42rem;
  top: .35rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ac);
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 3px rgba(123, 110, 246, .2);
}

.tli.intern .tldot {
  background: var(--ac2);
  box-shadow: 0 0 0 3px rgba(67, 212, 166, .2);
}

.tlm {
  font-family: var(--fm);
  font-size: .65rem;
  color: var(--mu);
  letter-spacing: .06em;
  margin-bottom: .22rem;
  text-transform: uppercase;
}

.tlt {
  font-family: var(--fh);
  font-size: .98rem;
  font-weight: 700;
  color: var(--tx);
  margin-bottom: .12rem;
  letter-spacing: -.01em;
}

.tlo {
  font-size: .8rem;
  color: var(--ac);
  margin-bottom: .45rem;
}

.tld {
  font-size: .83rem;
  color: var(--mu);
  font-weight: 300;
  max-width: 580px;
  line-height: 1.7;
}

.tlb {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  margin-top: .55rem;
  padding: .16rem .5rem;
  background: rgba(123, 110, 246, .07);
  border: 1px solid rgba(123, 110, 246, .18);
  border-radius: 2px;
  font-family: var(--fm);
  font-size: .6rem;
  color: var(--ac);
  letter-spacing: .04em;
}

.tlb.g {
  background: rgba(67, 212, 166, .06);
  border-color: rgba(67, 212, 166, .18);
  color: var(--ac2);
}

/* ═══ PROJECTS ═══ */
.pgrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.pc {
  padding: 1.7rem;
  border: 1px solid var(--b1);
  background: var(--s1);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}

.pc::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(123, 110, 246, .04), transparent);
  opacity: 0;
  transition: opacity .3s;
}

.pc:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 44px rgba(0, 0, 0, .5);
  border-color: var(--b2);
}

.pc:hover::after {
  opacity: 1;
}

.pca {
  position: absolute;
  top: 1.3rem;
  right: 1.3rem;
  font-size: .95rem;
  color: var(--b2);
  transition: transform .2s, color .2s;
}

.pc:hover .pca {
  transform: translate(2px, -2px);
  color: var(--ac);
}

.pt.a {
  color: var(--ac);
}

.pt.i {
  color: var(--ac2);
}

.pti {
  font-family: var(--fh);
  font-size: 1rem;
  font-weight: 700;
  color: var(--tx);
  margin-bottom: .6rem;
  letter-spacing: -.02em;
  line-height: 1.22;
  padding-right: 1.4rem;
}

.pd {
  font-size: .82rem;
  color: var(--mu);
  font-weight: 300;
  line-height: 1.75;
  flex: 1;
  margin-bottom: 1rem;
}

.ptechs {
  display: flex;
  flex-wrap: wrap;
  gap: .25rem;
}

.ptech {
  font-family: var(--fm);
  font-size: .6rem;
  padding: .16rem .48rem;
  background: rgba(123, 110, 246, .08);
  color: var(--ac);
  border-radius: 2px;
  letter-spacing: .02em;
}

/* ═══ TOOLS ═══ */
.twrap {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.tpill {
  padding: .4rem .95rem;
  border: 1px solid var(--b1);
  background: var(--s1);
  border-radius: 100px;
  font-family: var(--fm);
  font-size: .72rem;
  color: var(--mu);
  letter-spacing: .03em;
  cursor: default;
  transition: border-color .2s, color .2s, background .2s;
}

.tpill:hover {
  border-color: var(--ac);
  color: var(--ac);
  background: var(--glow);
}

/* ═══ BOOKING MODAL ═══ */
#modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(7, 7, 13, .93);
  backdrop-filter: blur(14px);
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

#modal.open {
  display: flex;
}

.mbox {
  background: var(--s1);
  border: 1px solid var(--b2);
  border-radius: 8px;
  width: min(530px, 96vw);
  padding: 2rem;
  position: relative;
  animation: mIn .22s ease-out;
  max-height: 92vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--b2) transparent;
}

@keyframes mIn {
  from { opacity: 0; transform: translateY(14px) scale(.97); }
  to { opacity: 1; transform: none; }
}

.mcl {
  position: absolute;
  top: 1rem;
  right: 1.1rem;
  background: none;
  border: none;
  color: var(--mu);
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
  transition: color .2s;
  padding: .25rem;
}

.mcl:hover {
  color: var(--tx);
}

.mt {
  font-family: var(--fh);
  font-size: 1.28rem;
  font-weight: 800;
  letter-spacing: -.03em;
  margin-bottom: .2rem;
}

.ms {
  font-size: .82rem;
  color: var(--mu);
  margin-bottom: 1.6rem;
  font-weight: 300;
  line-height: 1.6;
}

.mg {
  margin-bottom: 1rem;
}

.mg label {
  display: block;
  font-family: var(--fm);
  font-size: .65rem;
  color: var(--ac);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: .35rem;
}

.mg input, .mg select, .mg textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--b2);
  border-radius: 3px;
  padding: .55rem .8rem;
  color: var(--tx);
  font-family: var(--fb);
  font-size: .85rem;
  outline: none;
  transition: border-color .2s;
}

.mg input:focus, .mg select:focus, .mg textarea:focus {
  border-color: var(--ac);
}

.mg select option {
  background: var(--s2);
  color: var(--tx);
}

.mg textarea {
  resize: vertical;
  min-height: 72px;
}

.mrow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .85rem;
}

.slot-section {
  margin-bottom: 1rem;
}

.slot-section label {
  display: block;
  font-family: var(--fm);
  font-size: .65rem;
  color: var(--ac);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: .6rem;
}

.day-label {
  font-family: var(--fm);
  font-size: .62rem;
  color: var(--mu);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: .4rem;
  margin-top: .8rem;
}

.slots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .42rem;
  margin-bottom: .35rem;
}

.slot {
  padding: .42rem .3rem;
  border: 1px solid var(--b1);
  border-radius: 3px;
  font-family: var(--fm);
  font-size: .66rem;
  color: var(--mu);
  text-align: center;
  cursor: pointer;
  transition: all .18s;
  letter-spacing: .02em;
  line-height: 1.3;
}

.slot:hover, .slot.act {
  border-color: var(--ac);
  color: var(--ac);
  background: var(--glow);
}

.mcbtn {
  width: 100%;
  padding: .65rem;
  background: var(--ac);
  color: #fff;
  border: none;
  border-radius: 3px;
  font-family: var(--fh);
  font-size: .9rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity .2s, transform .15s;
  margin-top: .6rem;
}

.mcbtn:hover {
  opacity: .9;
  transform: scale(1.01);
}

.msuc {
  display: none;
  text-align: center;
  padding: 1.2rem 0;
}

.msuc .ck {
  font-size: 2.4rem;
  margin-bottom: .7rem;
}

.msuc h3 {
  font-family: var(--fh);
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: .3rem;
}

.msuc p {
  color: var(--mu);
  font-size: .84rem;
  font-weight: 300;
  line-height: 1.7;
}

.msuc .email-link {
  color: var(--ac2);
  font-weight: 500;
}

.minfo {
  font-size: .74rem;
  color: var(--mu);
  background: rgba(67, 212, 166, .05);
  border: 1px solid rgba(67, 212, 166, .12);
  border-radius: 3px;
  padding: .55rem .75rem;
  margin-top: .6rem;
  line-height: 1.6;
}

.minfo strong {
  color: var(--ac2);
}

/* ═══ AI CHAT ═══ */
#chat-section {
  border-top: 1px solid var(--b1);
  padding: 5.5rem 3rem;
  background: linear-gradient(180deg, transparent, rgba(123, 110, 246, .025));
  position: relative;
  z-index: 1;
}

.cw {
  max-width: 1100px;
  margin: 0 auto;
}

.cbox {
  border: 1px solid var(--b2);
  border-radius: 6px;
  background: var(--s1);
  overflow: hidden;
}

.chdr {
  padding: .85rem 1.3rem;
  border-bottom: 1px solid var(--b1);
  display: flex;
  align-items: center;
  gap: .6rem;
  background: var(--s2);
}

.cdot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ac2);
  animation: pulse 2s infinite;
}

.cttl {
  font-family: var(--fm);
  font-size: .72rem;
  color: var(--tx);
  letter-spacing: .04em;
}

.csub {
  font-family: var(--fm);
  font-size: .63rem;
  color: var(--mu);
  margin-left: auto;
}

#cmsgs {
  height: 340px;
  overflow-y: auto;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: .8rem;
  scrollbar-width: thin;
  scrollbar-color: var(--b1) transparent;
}

.msg {
  display: flex;
  flex-direction: column;
  gap: .18rem;
  max-width: 78%;
  animation: min .2s ease-out;
}

@keyframes min {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.msg.u {
  align-self: flex-end;
  align-items: flex-end;
}

.msg.a {
  align-self: flex-start;
  align-items: flex-start;
}

.mb {
  padding: .58rem .85rem;
  border-radius: 5px;
  font-size: .83rem;
  line-height: 1.65;
}

.msg.u .mb {
  background: var(--ac);
  color: #fff;
  border-radius: 5px 5px 0 5px;
}

.msg.a .mb {
  background: var(--s2);
  color: var(--tx);
  border: 1px solid var(--b1);
  border-radius: 5px 5px 5px 0;
}

.mn {
  font-family: var(--fm);
  font-size: .6rem;
  color: var(--mu);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.typdots {
  display: flex;
  gap: 3px;
  align-items: center;
  padding: .58rem .85rem;
  background: var(--s2);
  border: 1px solid var(--b1);
  border-radius: 5px;
  width: fit-content;
}

.typdots span {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--mu);
  animation: td 1.1s infinite;
}

.typdots span:nth-child(2) { animation-delay: .18s; }
.typdots span:nth-child(3) { animation-delay: .36s; }

@keyframes td {
  0%, 100% { transform: translateY(0); opacity: .35; }
  50% { transform: translateY(-4px); opacity: 1; }
}

.api-banner {
  background: rgba(123, 110, 246, .07);
  border: 1px solid rgba(123, 110, 246, .18);
  border-radius: 4px;
  padding: .65rem 1rem;
  font-size: .76rem;
  color: var(--mu);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.api-banner strong {
  color: var(--ac);
}

.csugqs {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  padding: .65rem 1.3rem;
  background: var(--s2);
  border-top: 1px solid var(--b1);
}

.sq {
  padding: .24rem .6rem;
  border: 1px solid var(--b1);
  background: transparent;
  color: var(--mu);
  border-radius: 100px;
  font-family: var(--fm);
  font-size: .62rem;
  cursor: pointer;
  transition: border-color .2s, color .2s;
}

.sq:hover {
  border-color: var(--ac);
  color: var(--ac);
}

.cinp-area {
  padding: .85rem 1.3rem;
  border-top: 1px solid var(--b1);
  display: flex;
  gap: .6rem;
  align-items: center;
  background: var(--s2);
}

#ci {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--b1);
  border-radius: 3px;
  padding: .52rem .8rem;
  color: var(--tx);
  font-family: var(--fb);
  font-size: .83rem;
  outline: none;
  transition: border-color .2s;
}

#ci:focus {
  border-color: var(--ac);
}

#ci::placeholder {
  color: var(--mu2);
}

#csend {
  padding: .52rem 1rem;
  background: var(--ac);
  color: #fff;
  border: none;
  border-radius: 3px;
  font-family: var(--fh);
  font-size: .8rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity .18s, transform .15s;
}

#csend:hover {
  opacity: .88;
  transform: scale(1.02);
}

#csend:disabled {
  opacity: .32;
  cursor: not-allowed;
  transform: none;
}

/* ═══ CONTACT ═══ */
#contact {
  border-top: 1px solid var(--b1);
  text-align: center;
  z-index: 1;
}

.cbig {
  font-family: var(--fh);
  font-size: clamp(2rem, 5.2vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1;
  margin-bottom: 1.1rem;
}

.cbig em {
  color: var(--ac);
  font-style: normal;
}

.ccards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .9rem;
  margin-top: 2.3rem;
  text-align: left;
}

.cc {
  padding: 1.1rem;
  border: 1px solid var(--b1);
  background: var(--s1);
  border-radius: 4px;
  transition: border-color .2s, transform .2s;
}

.cc:hover {
  border-color: var(--b2);
  transform: translateY(-2px);
}

.cci {
  font-size: 1rem;
  margin-bottom: .42rem;
}

.ccl {
  font-family: var(--fm);
  font-size: .6rem;
  color: var(--mu);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: .18rem;
}

.ccv {
  font-size: .78rem;
  color: var(--tx);
  word-break: break-all;
}

.ccv a {
  color: var(--ac);
  transition: color .2s;
}

.ccv a:hover {
  color: var(--ac2);
}

/* ═══ FOOTER ═══ */
footer {
  border-top: 1px solid var(--b1);
  padding: 1.8rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  flex-wrap: wrap;
  gap: .65rem;
  position: relative;
  z-index: 1;
}

.ft {
  font-family: var(--fm);
  font-size: .67rem;
  color: var(--mu);
  letter-spacing: .04em;
}

.ft em {
  color: var(--ac3);
  font-style: normal;
}

#vctr {
  font-family: var(--fm);
  font-size: .67rem;
  color: var(--mu);
  letter-spacing: .04em;
}

#vctr span {
  color: var(--ac2);
}

/* ═══ REVEAL ═══ */
.rv {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease-out, transform .6s ease-out;
}

.rv.v {
  opacity: 1;
  transform: none;
}

.rv2 {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s .15s ease-out, transform .6s .15s ease-out;
}

.rv2.v {
  opacity: 1;
  transform: none;
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 768px) {
  nav { padding: .9rem 1.2rem; }
  .nlinks { display: none; }
  #hero { padding: 5.8rem 1.2rem 3rem; }
  section, #timeline, #chat-section { padding: 3.8rem 1.2rem; }
  .ag, .pgrid, .scats, .learn-grid, .ccards { grid-template-columns: 1fr; }
  .sbars { grid-template-columns: 1fr; }
  .mrow { grid-template-columns: 1fr; }
  .ccards { grid-template-columns: 1fr 1fr; }
  h1 { font-size: 2.6rem; }
  .hstats { gap: 1.4rem; }
  footer { padding: 1.4rem 1.2rem; }
}