@import url('https://fonts.cdnfonts.com/css/satoshi');
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Rubik:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

@font-face {
  font-family: 'Hellombah';
  src: url('/assets/fonts/hellombah/Hellombah.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

.hellombah {
  font-family: 'Hellombah', sans-serif;
}

body {
  margin: 0;
  font-family: 'DM Sans', sans-serif;
}

/* ================= NAV BAR ================= */

.navbar {
  position: absolute;
  top: 0;
  left: 50%;
  margin-top: 20px;
  transform: translateX(-50%);
  width: 100%;
  z-index: 999;
  display: flex;
  justify-content: center;
}

.nav-container {
  width: 70%;
  max-width: 1100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.856);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 14px;
  padding: 5px 18px;
  backdrop-filter: blur(18px);
  position: relative;
  z-index: 100;
}

/* Logo */
.logo-wrapper {
  display: flex;
  align-items: center;
}
.logo-icon {
  height: 28px;
  width: auto;
}

/* NAV LINKS */

.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 20px;
}

.nav-links a {
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  color: #444;
  padding: 8px 14px;
  border-radius: 28px;
  transition: 0.25s ease;
}

.nav-links a:hover {
  color: #000;
  background-color: #11111111;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.dropdown {
  position: relative;
  pointer-events: auto;
}

/* MEGA MENU */

.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  max-width: 1100px;
  padding: 28px 45px;
  border-radius: 14px;
  background: rgba(255,255,255,0.98);
  border: 1px solid rgba(0,0,0,0.07);
  border-top: none;
  backdrop-filter: blur(18px);
  box-shadow: 0 12px 34px rgba(0,0,0,0.08);
  display: none;
  margin-top: 25px;
}

.dropdown:hover .mega-menu,
.mega-menu:hover {
  display: block;
  pointer-events: auto;
}

.mega-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 120px;
  margin-bottom: 32px;
}

/* KATEGORİ BAŞLIKLARI */

.mega-section h3 {
  font-size: 14px;
  font-weight: 800;
  color: #555;
  text-transform: uppercase;
  padding-bottom: 12px;
  margin-bottom: 32px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  transition: 0.25s ease;
}

.mega-section h3:hover {
  color: #000;
  letter-spacing: 0.6px;
  border-bottom: 1px solid rgba(0,0,0,0.25);
  transform: translateX(3px);
}

/* ÜRÜN / HİZMET BLOKLARI */

.mega-section a {
  display: block;
  padding: 14px 18px;
  border-radius: 28px;
  transition: 0.25s ease;
  text-decoration: none;
}

.mega-section a:hover {
  background: #f1f1f1;
  transform: translateX(4px);
}

.mega-section a h4 {
  font-size: 15px;
  font-weight: 700;
  color: #000;
  margin: 0 0 6px 0;
}

.mega-section a p {
  font-size: 12px;
  color: #666;
  margin: 0;
  line-height: 1.45;
}

/* CTA Banner */

.mega-banner {
  background: #f2f6ff;
  border-radius: 12px;
  height: 90px;
  display: flex;
  align-items: center;
  position: relative;
}
.mega-banner img {
  height: 70px;
  margin-left: 16px;
}
.banner-text {
  font-size: 14px;
  font-weight: 600;
  position: absolute;
  right: 20px;
  color: #222;
}

/* RIGHT BUTTONS */

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.login {
  font-size: 14px;
  cursor: pointer;
  color: #333;
  transition: 0.2s;
}

.login:hover {
  color: #000;
}

.contact-btn {
  background: #fff;
  border: 1px solid #dadada;
  border-radius: 10px;
  padding: 6px 14px;
  cursor: pointer;
  font-size: 14px;
}

.signup-btn {
  background: #111;
  border-radius: 10px;
  color: #fff;
  padding: 6px 14px;
  cursor: pointer;
  font-size: 14px;
  border: 1px solid #111;
}

/* ==== FOOTER ==== */

.bw-footer {
  background: #000;
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 130px 0 90px 0;
  color: #eaeaea;
  font-family: "Inter", sans-serif;
  border-radius: 54px 54px 0 0;
}

.bw-footer-container {
  width: 85%;
  max-width: 1350px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 100px;
}

.bw-footer-logo {
  width: 200px;
  margin-bottom: 28px;
}

.bw-brand p {
  color: #d2d2d2;
  line-height: 1.75;
  max-width: 360px;
  font-size: 15px;
}

.bw-footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  text-transform: uppercase;
  margin-bottom: 22px;
  letter-spacing: 1px;
}

.bw-footer-col a {
  display: block;
  text-decoration: none;
  color: #bdbdbd;
  padding: 8px 0;
  font-size: 15px;
  transition: .25s ease;
}

.bw-footer-col a:hover {
  color: #fff;
  transform: translateX(3px);
}

.bw-footer-bottom {
  margin-top: 85px;
  text-align: center;
  color: #7a7a7a;
  font-size: 14px;
}

/* =====================
   SLIDER (varsa)
===================== */

.ai-slider-section {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 80px 0;
}

.ai-slider-wrapper {
  overflow: hidden;
  width: 90%;
  margin: 0 auto;
}

.ai-slider {
  display: flex;
  gap: 26px;
  transition: transform 0.4s ease;
}

.ai-slider-btn {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  color: white;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  cursor: pointer;
  backdrop-filter: blur(8px);
  font-size: 22px;
  transition: 0.25s;
}

.ai-slider-btn:hover {
  background: rgba(255,255,255,0.2);
  transform: scale(1.12);
}

.ai-slide-card {
  min-width: 260px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 24px;
  border-radius: 18px;
  color: #fff;
  text-align: center;
  backdrop-filter: blur(12px);
  transition: 0.3s ease;
  transform-style: preserve-3d;
  animation: floatCard 4s ease-in-out infinite;
}

.ai-slide-card:hover {
  transform: translateY(-8px) rotateY(10deg);
  background: rgba(255,255,255,0.13);
  box-shadow: 0 20px 40px rgba(0,0,0,0.45);
}

@keyframes floatCard {
  0%   { transform: translateY(0px); }
  50%  { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

.card-icon {
  width: 58px;
  height: 58px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 14px;
  margin: 0 auto 16px auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.card-icon img {
  width: 60%;
  height: 60%;
  filter: brightness(1.3);
}

.ai-slide-card h3 {
  font-size: 18px;
  margin-bottom: 6px;
  font-weight: 700;
}

.ai-slide-card p {
  font-size: 14px;
  opacity: 0.9;
  margin-bottom: 20px;
}

.card-btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 12px;
  color: #fff;
  background: #3b82f6;
  text-decoration: none;
  transition: 0.25s;
}

.card-btn:hover {
  background: #5a96ff;
}

/* ========== NANTICS WRAPPER & SECTIONS ========== */

.nantics-wrapper {
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 20px;
  box-sizing: border-box;
  font-family: Inter, sans-serif;
}

/* CTA (AI Glow) */

.nantics-cta {
  position: relative;
  text-align: center;
  margin: 160px auto 80px;
  padding: 64px;
  max-width: 1100px;
  border-radius: 54px;
  background: #0f0f0f;
  color: wheat;
  overflow: hidden;
  transition: 0.5s ease;
}

.nantics-cta .cta-inner {
  position: relative;
  z-index: 2;
  max-width: 860px;
  margin: 0 auto;
}

.nantics-cta .cta-eyebrow {
  display: inline-block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: rgba(245, 222, 179, 0.7);
  margin-bottom: 12px;
}

.nantics-cta::before,
.nantics-cta::after {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,255,180,0.25), transparent 70%);
  filter: blur(60px);
  animation: floatGlowCTA 6s infinite ease-in-out alternate;
  z-index: 0;
}

.nantics-cta::before {
  top: -120px;
  left: -120px;
}

.nantics-cta::after {
  bottom: -120px;
  right: -120px;
  animation-delay: 1.5s;
}

@keyframes floatGlowCTA {
  0%   { transform: translate(0,0) scale(1); }
  100% { transform: translate(40px,-40px) scale(1.15); }
}

.nantics-cta:hover {
  transform: scale(1.03);
  border: 2px solid rgba(255,255,255,0.25);
  box-shadow: 0 0 40px rgba(0,255,200,0.25);
}

.nantics-cta h2 {
  font-size: 62px;
  margin-bottom: 24px;
  color: wheat;
  position: relative;
  z-index: 2;
}

.nantics-cta p {
  position: relative;
  z-index: 2;
  font-size: 18px;
  margin-bottom: 24px;
}

.nantics-cta .cta-lead {
  line-height: 1.7;
  max-width: 820px;
  margin: 0 auto 28px;
}

.nantics-cta .cta-tags {
  list-style: none;
  padding: 0;
  margin: 22px auto 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.nantics-cta .cta-tags li {
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.2);
}

.cta-btn {
  padding: 18px 48px;
  font-size: 22px;
  background: black;
  color: wheat;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.3);
  cursor: pointer;
  transition: 0.4s ease;
  position: relative;
  z-index: 2;
}

.cta-btn:hover {
  background: rgba(0,0,0,0.85);
  color: white;
  box-shadow: 0 0 22px rgba(0,255,200,0.35);
  transform: translateY(-3px);
}

/* FEATURE CONTAINER */

.feature-container {
  position: relative;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 140px 40px;
  box-sizing: border-box;
  border-radius: 44px;
  overflow: hidden;
  margin-top: 120px;
  background: linear-gradient(135deg, #0B1210 0%, #0F1A14 40%, #10261C 100%);
  background-size: 200% 200%;
  border: 1px solid rgba(255,255,255,0.06);
  animation: featureGradient 18s ease-in-out infinite;
  isolation: isolate;
}

.feature-container > :not(.feature-mesh) {
  position: relative;
  z-index: 1;
}

.feature-mesh {
  position: absolute;
  inset: -35% -10%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image:
    linear-gradient(120deg, rgba(45, 212, 191, 0.18) 1px, transparent 1px),
    linear-gradient(30deg, rgba(56, 189, 248, 0.14) 1px, transparent 1px),
    radial-gradient(60% 60% at 50% 50%, rgba(16, 185, 129, 0.18), transparent 60%);
  background-size: 140px 140px, 180px 180px, 100% 100%;
  background-position: 0% 0%, 40% 60%, 50% 50%;
  filter: blur(0.2px);
  transform: skewY(-6deg);
  animation: meshWave 16s ease-in-out infinite alternate;
  will-change: transform, background-position;
  mix-blend-mode: screen;
}

.feature-container::before,
.feature-container::after {
  content: "";
  position: absolute;
  pointer-events: none;
  background: radial-gradient(circle, rgba(0,255,150,0.12) 0%, rgba(0,0,0,0) 70%);
  filter: blur(120px);
  animation: floatGlowFeature 18s ease-in-out infinite alternate;
  z-index: 0;
}

.feature-container::before {
  width: 600px;
  height: 600px;
  top: -180px;
  left: -150px;
}

.feature-container::after {
  width: 500px;
  height: 500px;
  bottom: -180px;
  right: -100px;
  animation-duration: 22s;
}

@keyframes floatGlowFeature {
  0% { transform: translate(0,0); }
  100% { transform: translate(120px, 90px); }
}

@keyframes featureGradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes meshWave {
  0% {
    transform: translate3d(-4%, -3%, 0) skewY(-6deg);
    background-position: 0% 0%, 40% 80%, 50% 50%;
  }
  50% {
    transform: translate3d(3%, 2%, 0) skewY(-4deg);
    background-position: 60% 100%, 100% 10%, 55% 45%;
  }
  100% {
    transform: translate3d(-2%, 6%, 0) skewY(-6deg);
    background-position: 100% 0%, 10% 40%, 50% 60%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .feature-container {
    animation: none;
  }

  .feature-mesh {
    animation: none;
  }
}

.feature-top {
  text-align: center;
  color: white;
  max-width: 920px;
  margin: 0 auto 80px;
}

.feature-top h1,
.feature-top h2 {
  font-size: 58px;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -1px;
  line-height: 1.1;
}

.feature-top p {
  font-size: 20px;
  opacity: 0.85;
  max-width: 840px;
  margin: 0 auto 18px;
  line-height: 1.7;
}

.feature-examples {
  font-size: 18px;
  opacity: 0.9;
  margin: 10px auto 0;
  line-height: 1.6;
  max-width: 840px;
}

.feature-bottom {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  padding-bottom: 20px;
}

.feature-bottom .col {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 22px;
  padding: 32px 28px;
  color: white;
  text-align: left;
  border: 1px solid rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
  transition: 0.25s ease;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  min-height: 220px;
}

.feature-bottom .col::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 22px;
  padding: 2px;
  background: linear-gradient(135deg, rgba(0,255,100,0.4), rgba(0,255,180,0.05));
  -webkit-mask:
      linear-gradient(#fff 0 0) content-box,
      linear-gradient(#fff 0 0);
  mask:
      linear-gradient(#fff 0 0) content-box,
      linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  opacity: 0;
  transition: opacity .3s;
}

.feature-bottom .col:hover::before {
  opacity: 1;
}

.feature-bottom h4 {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
  line-height: 1.25;
}

.feature-bottom p {
  font-size: 15px;
  opacity: 0.85;
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 1024px) {
  .feature-bottom {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-top h1,
  .feature-top h2 {
    font-size: 48px;
  }
}

@media (max-width: 600px) {
  .feature-bottom {
    grid-template-columns: 1fr;
  }

  .feature-top h1,
  .feature-top h2 {
    font-size: 38px;
  }
}

/* ========== BUTONLU CHAT (nantics-chat-pro) ========== */

.nantics-chat-pro {
  max-width: 860px;
  margin: 80px auto;
  font-family: "Inter", sans-serif;
  text-align: center;
}

.nantics-chat-pro .section-title {
  font-size: 54px;
  margin-bottom: 30px;
  font-weight: 800;
}

/* Chat window glass style */
.nantics-chat-pro .chat-window {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 18px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  padding: 0;
  overflow: hidden;
}

/* MacOS bar */
.nantics-chat-pro .window-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: rgba(15,23,42,0.9);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nantics-chat-pro .window-header p {
  margin-left: 10px;
  color: #cbd5e1;
  font-size: 14px;
  opacity: 0.7;
}

.nantics-chat-pro .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}
.nantics-chat-pro .red { background: #ff5f56; }
.nantics-chat-pro .yellow { background: #ffbd2e; }
.nantics-chat-pro .green { background: #27c93f; }

.nantics-chat-pro .messages {
  padding: 22px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.nantics-chat-pro .bubble {
  max-width: 70%;
  padding: 14px 18px;
  font-size: 17px;
  border-radius: 18px;
  animation: fadeIn .35s ease-out;
}

.nantics-chat-pro .bubble.user {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  color: #1e293b;
  align-self: flex-start;
  border-left: 5px solid #64748b;
  box-shadow: 0 3px 12px rgba(0,0,0,0.07);
}

.nantics-chat-pro .bubble.ai {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: white;
  align-self: flex-end;
  border-right: 5px solid #1d4ed8;
  box-shadow: 0 6px 20px rgba(37,99,235,0.35);
}

/* Typing indicator */
.nantics-chat-pro .typing {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  padding: 10px 22px 20px;
}

.nantics-chat-pro .typing span {
  width: 9px;
  height: 9px;
  background: #94a3b8;
  border-radius: 50%;
  animation: blink 1.4s infinite;
}

.nantics-chat-pro .typing span:nth-child(2) { animation-delay: .2s; }
.nantics-chat-pro .typing span:nth-child(3) { animation-delay: .4s; }

@keyframes blink {
  0% { opacity: .3; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-4px); }
  100% { opacity: .3; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Options buttons */

.nantics-chat-pro .chat-options {
  margin-top: 26px;
  display: flex;
  justify-content: center;
  gap: 14px;
}

.nantics-chat-pro .chat-btn {
  background: #e2e8f0;
  border: none;
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: .2s;
}

.nantics-chat-pro .chat-btn:hover {
  background: #cbd5e1;
  transform: translateY(-2px);
}

/* Mobile */

@media (max-width: 600px) {
  .nantics-chat-pro .section-title {
    font-size: 26px;
    line-height: 1.3;
    padding: 0 10px;
    margin-bottom: 18px;
  }

  .nantics-chat-pro .chat-window {
    border-radius: 14px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.25);
    width: 94%;
    margin: 0 auto;
  }

  .nantics-chat-pro .window-header {
    padding: 10px 14px;
    gap: 6px;
  }

  .nantics-chat-pro .window-header p {
    font-size: 12px;
  }

  .nantics-chat-pro .messages {
    padding: 16px;
    gap: 14px;
    min-height: 140px;
  }

  .nantics-chat-pro .bubble {
    max-width: 100%;
    font-size: 15px;
    padding: 12px 14px;
    border-radius: 14px;
  }

  .nantics-chat-pro .typing {
    padding: 8px 16px 14px;
    justify-content: center;
  }

  .nantics-chat-pro .typing span {
    width: 7px;
    height: 7px;
  }

  .nantics-chat-pro .chat-options {
    margin-top: 20px;
    flex-direction: column;
    gap: 10px;
    width: 92%;
    margin-left: auto;
    margin-right: auto;
  }

  .nantics-chat-pro .chat-btn {
    padding: 12px;
    border-radius: 10px;
    font-size: 15px;
    width: 100%;
  }
}

/* ========== SENARYOLU CHAT (nantics-reference) ========== */

.nantics-reference {
  max-width: 1280px;
  margin: 140px auto;
  padding: 0 24px;
  box-sizing: border-box;
  display: flex;
  align-items: flex-start;
  gap: 60px;
}

.nantics-reference .ref-chat {
  flex: 1;
}

.nantics-reference .chat-window {
  background: #0f172a;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.1);
  padding: 24px;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.25);
}

.nantics-reference .chat-header {
  padding: 10px 16px;
  background: #1e293b;
  border-radius: 14px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 10px;
}

.nantics-reference .bubble {
  max-width: 80%;
  padding: 14px 18px;
  border-radius: 14px;
  font-size: 16px;
  line-height: 1.45;
  animation: popInRef .3s ease;
}

.nantics-reference .bubble.user {
  background: #e2e8f0;
  align-self: flex-start;
  border-left: 4px solid #64748b;
}

.nantics-reference .bubble.ai {
  background: #3b82f6;
  color: white;
  align-self: flex-end;
  border-right: 4px solid #1d4ed8;
}

@keyframes popInRef {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}

/* Sağ taraf */

.nantics-reference .ref-text {
  flex: 1;
}
.nantics-reference .ref-text h2 {
  font-size: 42px;
  font-weight: 800;
}
.nantics-reference .ref-text p {
  font-size: 18px;
  margin-bottom: 20px;
}

/* Butonlar */

.nantics-reference .ref-buttons {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.nantics-reference .ref-btn-option {
  padding: 16px 18px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  font-size: 17px;
  cursor: pointer;
  text-align: left;
  transition: .25s;
}

.nantics-reference .ref-btn-option:hover {
  background: #e2e8f0;
  transform: translateX(6px);
}

/* Responsive */

@media(max-width: 900px) {
  .nantics-reference {
    flex-direction: column;
  }
  .nantics-reference .chat-window {
    max-width: 100%;
  }
  .nantics-reference .ref-btn-option {
    text-align: center;
  }
}

/* ========== VISUAL GRID ========== */

.nantics-visuals {
  max-width: 1280px;
  margin: 120px auto;
  text-align: center;
  padding: 0 24px;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

.nantics-visuals h2 {
  font-size: 54px;
  font-weight: 700;
  margin-bottom: 14px;
  color: #0f172a;
}

.nantics-visuals .section-desc {
  font-size: 24px;
  color: #475569;
  margin-bottom: 50px;
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.vis-box {
  background: #ffffff;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 16px 28px rgba(0,0,0,0.08);
  transition: 0.3s ease;
}

.vis-box:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

.vis-box img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

/* Visual grid responsive */

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

@media(max-width: 600px) {
  .visual-grid {
    grid-template-columns: 1fr;
  }

  .vis-box img {
    height: 200px;
  }

  .nantics-visuals h2 {
    font-size: 38px;
  }

  .nantics-visuals .section-desc {
    font-size: 20px;
  }
}

/* ========== SECURITY SECTION ========== */

.nantics-security {
  width: 100%;
  padding: 120px 0;
  background: linear-gradient(135deg, #0f172a, #1e293b 60%);
  position: relative;
  overflow: hidden;
  font-family: "Poppins", sans-serif;
  border-radius: 54px;
}

.nantics-security::before {
  content: "";
  position: absolute;
  top: -80px;
  left: -80px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(56,189,248,0.25), transparent 70%);
  filter: blur(40px);
}

.sec-content {
  max-width: 1280px;
  margin: auto;
  text-align: center;
  padding: 0 24px;
  box-sizing: border-box;
  position: relative;
  z-index: 5;
}

.nantics-security h2 {
  font-size: 54px;
  color: white;
  margin-bottom: 60px;
}

.sec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.sec-card {
  background: rgba(255,255,255,0.06);
  padding: 28px 22px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(12px);
  color: white;
  transition: 0.35s ease;
  cursor: pointer;
}

.sec-card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.3);
}

.sec-icon {
  font-size: 38px;
  margin-bottom: 12px;
}

/* Responsive security */

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

  .nantics-security h2 {
    font-size: 38px;
  }
}

@media (max-width: 600px) {
  .sec-grid {
    grid-template-columns: 1fr;
  }
}



/* Scrollbar base */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,0.25) transparent;
}
*::-webkit-scrollbar { width: 8px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.25); border-radius: 10px; }

.ntc-shell {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 32px 18px;
}

.ntc-window {
  width: 100%;
  max-width: 1200px;
  min-height: 720px;
  background: rgba(255,255,255,0.82);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 18px;
  backdrop-filter: blur(18px);
  box-shadow: 0 15px 50px rgba(0,0,0,0.07);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.ntc-topbar {
  height: 46px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 14px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  background: rgba(255,255,255,0.9);
}

.ntc-mac-dots { display: flex; gap: 6px; }
.ntc-mac-dots span { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.ntc-dot-close { background: #ff5f57; }
.ntc-dot-min { background: #febb2e; }
.ntc-dot-full { background: #27c93f; }

.ntc-title {
  flex: 1;
  text-align: center;
  font-weight: 600;
  color: #475569;
  letter-spacing: 0.3px;
}

.ntc-hamburger {
  width: 28px;
  height: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
}
.ntc-hamburger span { height: 3px; border-radius: 4px; background: #111827; transition: 0.3s; }
.ntc-hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.ntc-hamburger.active span:nth-child(2) { opacity: 0; }
.ntc-hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.ntc-layout {
  position: relative;
  flex: 1;
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 0;
}
.ntc-layout.sidebar-collapsed { grid-template-columns: 0 1fr; }

.ntc-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.25);
  opacity: 0;
  pointer-events: none;
  transition: 0.3s ease;
  z-index: 5;
}
.ntc-overlay.active { opacity: 1; pointer-events: all; }

.ntc-sidebar {
  background: rgba(247,248,252,0.82);
  border-right: 1px solid rgba(0,0,0,0.06);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: 0.3s ease;
  z-index: 10;
}
.ntc-sidebar.closed { transform: translateX(-100%); opacity: 0; pointer-events: none; }

.ntc-profile { display: flex; gap: 12px; align-items: center; padding: 12px; border-radius: 12px; background: #eef2ff; border: 1px solid rgba(0,0,0,0.05); }
.ntc-profile img { width: 40px; height: 40px; border-radius: 12px; }
.ntc-meta { font-size: 13px; line-height: 1.3; }
.ntc-meta strong { display: block; color: #0f172a; }

.ntc-new-chat {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,0.08);
  background: white;
  cursor: pointer;
  text-align: left;
}

.ntc-menu { display: grid; gap: 8px; }
.ntc-menu-heading {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #475569;
  margin-top: 6px;
}

.ntc-modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.25s ease;
  z-index: 2000;
}
.ntc-modal.show {
  opacity: 1;
  pointer-events: all;
  visibility: visible;
}
.ntc-modal-content {
  background: #ffffff;
  padding: 22px 24px;
  border-radius: 14px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.16);
  max-width: 360px;
  width: 90%;
}
.ntc-modal-content h4 {
  margin: 0 0 10px 0;
  font-size: 18px;
  font-weight: 700;
  color: #0f172a;
}
.ntc-modal-content p {
  margin: 0 0 18px 0;
  color: #334155;
  line-height: 1.5;
}
.ntc-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}
.ntc-modal-actions button {
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,0.08);
  cursor: pointer;
  font-weight: 600;
}
.ntc-modal-cancel {
  background: #e2e8f0;
  color: #0f172a;
}
.ntc-modal-confirm {
  background: #2563eb;
  color: #ffffff;
  border-color: #2563eb;
}
.ntc-menu-item {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,0.05);
  background: white;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
}
.ntc-menu-item.active { border-color: #a78bfa; box-shadow: 0 0 0 2px rgba(167,139,250,0.25); }

.ntc-main {
  background: transparent;
  display: flex;
  flex-direction: column;
  min-height: 0;
  position: relative;
}

.ntc-scroll-bottom-btn {
  position: absolute;
  left: 50%;
  bottom: 74px;
  transform: translateX(-50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.08);
  background: #ffffff;
  color: #0f172a;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(0,0,0,0.08);
  opacity: 0;
  pointer-events: none;
  transition: 0.2s ease;
}
.ntc-scroll-bottom-btn.visible { opacity: 1; pointer-events: all; }
.ntc-scroll-bottom-btn:hover { transform: translate(-50%, -1px); }

.ntc-header {
  height: 52px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  gap: 10px;
  background: rgba(255,255,255,0.85);
}
.ntc-status { width: 10px; height: 10px; background: #22c55e; border-radius: 50%; }

.ntc-messages {
  flex: 1 1 0;
  min-height: 0;
  overflow: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-wrap: break-word;
}
.ntc-messages::-webkit-scrollbar { width: 8px; }
.ntc-messages::-webkit-scrollbar-track { background: transparent; }
.ntc-messages::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.2); border-radius: 10px; }

.ntc-msg { display: flex; gap: 10px; max-width: 70%; opacity: 0; transform: translateY(4px); animation: msgFade 0.25s ease forwards; }
.ntc-msg.ntc-msg-user { margin-left: auto; flex-direction: row-reverse; }

.ntc-avatar {
  width: 34px; height: 34px; min-width: 34px; flex-shrink: 0;
  border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 700; letter-spacing: 0.3px;
  color: #0b172a; box-shadow: 0 6px 12px rgba(0,0,0,0.08);
}
.ntc-msg-bot .ntc-avatar { background: linear-gradient(135deg, #2dd4bf, #22c55e); color: #0b172a; border: 1px solid rgba(255,255,255,0.55); }
.ntc-msg-user .ntc-avatar { background: linear-gradient(135deg, #60a5fa, #38bdf8); color: #0b172a; border: 1px solid rgba(255,255,255,0.55); }

.ntc-bubble { padding: 12px 14px; border-radius: 12px; background: #f8fafc; border: 1px solid rgba(0,0,0,0.05); position: relative; display: grid; gap: 6px; }
.ntc-msg-user .ntc-bubble { background: #4f46e5; color: #fff; border-color: transparent; }
.ntc-bubble-text { word-break: break-word; }
.ntc-timestamp { font-size: 11px; color: #94a3b8; text-align: right; }
.ntc-msg-user .ntc-timestamp { color: #dbeafe; }

@keyframes msgFade { to { opacity: 1; transform: translateY(0); } }

.ntc-footer { padding: 12px 16px; border-top: 1px solid rgba(0,0,0,0.06); background: rgba(255,255,255,0.92); }
.ntc-start-btn {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid rgba(0,0,0,0.08); background: #fff; cursor: pointer;
}
.ntc-start-btn:hover:not(:disabled) { box-shadow: 0 6px 18px rgba(79,70,229,0.18); border-color: rgba(79,70,229,0.3); }
.ntc-start-btn:active:not(:disabled) { transform: translateY(1px); }
.ntc-start-btn:disabled { opacity: 0.65; cursor: not-allowed; }

.ntc-option-row { display: flex; flex-direction: column; gap: 8px; margin: 4px 0 8px; max-width: 320px; }
.ntc-option-btn { padding: 10px 12px; border-radius: 10px; border: 1px solid rgba(0,0,0,0.08); background: #fff; cursor: pointer; text-align: left; font-size: 14px; transition: 0.2s ease; }
.ntc-option-btn:hover { border-color: rgba(79,70,229,0.35); box-shadow: 0 4px 12px rgba(79,70,229,0.14); }
.ntc-msg + .ntc-option-row { margin-top: 4px; }

@media (max-width: 900px) {
  .ntc-layout { grid-template-columns: 1fr; }
  .ntc-overlay.active { background: rgba(0,0,0,0.08); }
  .ntc-sidebar { position: absolute; top: 0; left: 0; height: 100%; width: 260px; box-shadow: 8px 0 30px rgba(0,0,0,0.08); transform: translateX(0); opacity: 1; pointer-events: auto; display: block; }
  .ntc-main { grid-column: 1; }
  .ntc-sidebar.closed { transform: translateX(-110%); opacity: 0; pointer-events: none; display: none; }
  .ntc-option-row { max-width: 100%; }
  .chat-window { padding: 110px 18px 40px 18px; max-width: 100%; height: 420px; }
  .bubble { max-width: 90%; font-size: 15px; }
  .ai-slider-section { flex-direction: column; margin: 48px 0; }
  .ai-slider-wrapper { width: 100%; }
  .placeholder-img { height: 420px; }
  .dialog-section h2 { font-size: 42px; }
}

@media (max-width: 640px) {
  .ntc-shell { padding: 16px 10px; }
  .ntc-window { min-height: 92vh; width: 100%; border-radius: 14px; }
  .ntc-topbar { padding: 0 10px; gap: 8px; }
  .ntc-title { font-size: 14px; letter-spacing: 0.2px; }
  .ntc-sidebar { width: 240px; padding: 14px; gap: 10px; }
  .ntc-messages { padding: 12px; }
  .ntc-msg { max-width: 85%; gap: 8px; }
  .ntc-bubble { font-size: 13px; }
  .ntc-timestamp { font-size: 11px; }
  .ntc-start-btn { padding: 10px 12px; }
  .chat-window { padding: 100px 14px 34px 14px; height: 380px; }
  .bubble { max-width: 94%; }
  .ai-slider { gap: 18px; }
  .ai-slider-section { margin: 36px 0; }
  .placeholder-img { height: 340px; }
  .dialog-section h2 { font-size: 36px; }
  .placeholder-img img,
  .ai-slider img,
  .ntc-window img {
    display: block;
    max-width: 100%;
    height: auto;
  }
  .ai-hero-container { padding: 70px 12px; }
  .ai-hero-box { padding: 46px 18px; border-radius: 28px; }
  .ai-hero-box h2 { font-size: 28px; line-height: 1.3; }
  .ai-hero-box p { font-size: 15px; line-height: 1.6; }
  .ai-hero-btn { padding: 14px 28px; font-size: 14px; }
  .text-side h2 { font-size: 34px; line-height: 1.25; }
  .text-side p { font-size: 15px; line-height: 1.6; }
  .dimro-section { margin: 80px 0; }
  .dimro-section.show h2,
  .dimro-row.show h2 { color: #ffffff; }
  .dimro-section.show .text-side h2 { color: #0f172a; }
}

@media (max-width: 480px) {
  .ntc-window { min-height: 90vh; border-radius: 12px; }
  .ntc-topbar { height: 44px; }
  .ntc-sidebar { width: 220px; }
  .ntc-msg { max-width: 90%; }
  .chat-window { padding: 90px 12px 28px 12px; height: 360px; }
  .bubble { max-width: 96%; }
  .ntc-modal-content { width: 94%; }
  .placeholder-img { height: 280px; border-radius: 14px; }
  .dialog-section h2 { font-size: 32px; }
  .ai-hero-container { padding: 60px 10px; }
  .ai-hero-box { padding: 40px 16px; border-radius: 24px; }
  .ai-hero-box h2 { font-size: 24px; }
  .ai-hero-box p { font-size: 14px; }
  .text-side h2 { font-size: 30px; }
  .text-side p { font-size: 14px; }
  .dimro-section { margin: 60px 0; }
}

@media (max-width: 1024px) {
  .feature-container {
    padding: 110px 32px;
    border-radius: 38px;
    margin-top: 100px;
  }

  .feature-top p,
  .feature-examples {
    font-size: 18px;
  }

  .nantics-reference {
    gap: 40px;
    margin: 120px auto;
  }

  .nantics-visuals {
    margin: 100px auto;
  }

  .nantics-cta {
    margin: 130px auto 70px;
    padding: 52px 36px;
  }

  .nantics-cta h2 {
    font-size: 46px;
  }
}

@media (max-width: 768px) {
  .feature-container {
    padding: 90px 24px;
    border-radius: 32px;
    margin-top: 90px;
  }

  .feature-top {
    margin-bottom: 50px;
  }

  .feature-top h1,
  .feature-top h2 {
    font-size: 40px;
  }

  .feature-top p,
  .feature-examples {
    font-size: 16px;
  }

  .feature-bottom {
    gap: 18px;
  }

  .feature-bottom .col {
    padding: 24px 18px;
  }

  .nantics-wrapper {
    padding: 40px 16px;
  }

  .nantics-chat-pro {
    margin: 60px auto;
  }

  .nantics-reference {
    margin: 90px auto;
    padding: 0 16px;
  }

  .nantics-reference .ref-text h2 {
    font-size: 32px;
  }

  .nantics-reference .ref-text p {
    font-size: 16px;
  }

  .nantics-visuals {
    margin: 90px auto;
  }

  .nantics-visuals h2 {
    font-size: 40px;
  }

  .nantics-visuals .section-desc {
    font-size: 18px;
  }

  .nantics-security {
    padding: 90px 0;
  }

  .nantics-security h2 {
    font-size: 36px;
    margin-bottom: 40px;
  }

  .sec-card {
    padding: 24px 18px;
  }

  .nantics-cta {
    margin: 110px auto 60px;
    padding: 44px 24px;
    border-radius: 36px;
  }

  .nantics-cta h2 {
    font-size: 38px;
  }

  .nantics-cta .cta-tags {
    gap: 10px;
    margin: 18px auto 28px;
  }

  .nantics-cta .cta-tags li {
    font-size: 12px;
    padding: 8px 12px;
  }

  .cta-btn {
    font-size: 18px;
    padding: 14px 32px;
  }
}

@media (max-width: 600px) {
  .feature-container {
    padding: 70px 18px;
    border-radius: 28px;
  }

  .feature-top h1,
  .feature-top h2 {
    font-size: 34px;
  }

  .feature-top p,
  .feature-examples {
    font-size: 15px;
  }

  .feature-bottom .col {
    padding: 22px 18px;
  }

  .nantics-chat-pro {
    margin: 50px auto;
  }

  .nantics-reference {
    margin: 70px auto;
  }

  .nantics-reference .ref-text h2 {
    font-size: 28px;
  }

  .nantics-visuals h2 {
    font-size: 34px;
  }

  .nantics-visuals .section-desc {
    font-size: 17px;
  }

  .nantics-security {
    padding: 70px 0;
  }

  .nantics-security h2 {
    font-size: 30px;
  }

  .sec-card {
    border-radius: 14px;
  }

  .nantics-cta {
    margin: 90px auto 50px;
    padding: 34px 20px;
    border-radius: 28px;
  }

  .nantics-cta h2 {
    font-size: 30px;
  }

  .nantics-cta p {
    font-size: 16px;
  }

  .nantics-cta .cta-eyebrow {
    font-size: 11px;
    letter-spacing: 0.22em;
  }

  .nantics-cta .cta-tags {
    gap: 8px;
    margin: 16px auto 24px;
  }

  .nantics-cta .cta-tags li {
    font-size: 11px;
    padding: 7px 10px;
  }

  .cta-btn {
    font-size: 16px;
    padding: 12px 26px;
  }
}

@media (max-width: 480px) {
  .feature-container {
    padding: 60px 16px;
    margin-top: 80px;
  }

  .feature-top h1,
  .feature-top h2 {
    font-size: 30px;
  }

  .feature-bottom {
    gap: 14px;
  }

  .nantics-reference .ref-buttons {
    gap: 10px;
  }

  .nantics-reference .ref-btn-option {
    font-size: 15px;
    padding: 12px 14px;
  }

  .nantics-visuals {
    margin: 70px auto;
  }
}