/* =========================================================
   KAITECH PropTech Landing — Styles
   ========================================================= */

:root {
  --kt-bg: #080b0d;
  --kt-bg-elevated: #0e1417;
  --kt-bg-soft: #0a0f11;
  --kt-border: #1b2327;
  --kt-border-soft: #161c1f;
  --kt-text: #eaf2f1;
  --kt-muted: #9aa8ac;
  --kt-muted-2: #8a95a3;
  --kt-muted-3: #6d7c82;
  --kt-muted-4: #5a6569;
  --kt-nav: #b9c7c6;
  --kt-teal: #17bfad;
  --kt-teal-bright: #4fd8ca;
  --kt-teal-dark: #06201c;
  --kt-blue: #1471b8;
  --kt-blue-soft: #7fb8e8;
  --kt-wa: #25d366;
  --kt-radius: 9px;
  --kt-radius-lg: 16px;
  --font-body: "Manrope", system-ui, sans-serif;
  --font-display: "Sora", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--kt-bg);
  color: var(--kt-text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

a {
  color: var(--kt-teal-bright);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #6ee4d6;
}

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

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

/* ---------- Animations ---------- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulseDot {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

@keyframes waBounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

.kt-reveal {
  animation: fadeUp 0.8s ease both;
}

.kt-reveal-delay-1 {
  animation-delay: 0.05s;
}

.kt-reveal-delay-2 {
  animation-delay: 0.12s;
}

.kt-reveal-delay-3 {
  animation-delay: 0.18s;
}

.kt-reveal-delay-4 {
  animation-delay: 0.22s;
}

/* ---------- Buttons ---------- */
.btn-kt-primary {
  background: var(--kt-teal);
  color: var(--kt-teal-dark);
  border: none;
  border-radius: var(--kt-radius);
  font-weight: 700;
  padding: 0.7rem 1.35rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-kt-primary:hover,
.btn-kt-primary:focus {
  background: #2fd0be;
  color: var(--kt-teal-dark);
  box-shadow: 0 12px 30px -8px rgba(23, 191, 173, 0.55);
}

.btn-kt-primary:active {
  transform: translateY(1px);
}

.btn-kt-ghost {
  background: transparent;
  color: var(--kt-text);
  border: 1px solid #37454a;
  border-radius: var(--kt-radius);
  font-weight: 700;
  padding: 0.7rem 1.35rem;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn-kt-ghost:hover,
.btn-kt-ghost:focus {
  background: rgba(255, 255, 255, 0.04);
  border-color: #4a5c62;
  color: #fff;
}

.btn-kt-lg {
  padding: 1rem 1.9rem;
  font-size: 1rem;
}

.btn-kt-glow {
  box-shadow: 0 12px 30px -8px rgba(23, 191, 173, 0.55);
}

/* ---------- Navbar ---------- */
.kt-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  padding: 0.85rem clamp(1.25rem, 4vw, 3rem);
  background: linear-gradient(180deg, rgba(6, 8, 10, 0.92), rgba(6, 8, 10, 0));
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background 0.25s ease, box-shadow 0.25s ease, padding 0.25s ease;
}

.kt-navbar.is-scrolled {
  background: rgba(6, 8, 10, 0.94);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
}

.kt-navbar .navbar-brand img {
  width: 140px;
  height: 36px;
  object-fit: contain;
}

.kt-nav-link {
  color: var(--kt-nav) !important;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.4rem 0.75rem !important;
  white-space: nowrap;
}

.kt-nav-link:hover,
.kt-nav-link:focus,
.kt-nav-link.active {
  color: #fff !important;
}

.kt-navbar .navbar-toggler {
  border: 1px solid #37454a;
  padding: 0.4rem 0.55rem;
}

.kt-navbar .navbar-toggler:focus {
  box-shadow: 0 0 0 0.15rem rgba(23, 191, 173, 0.35);
}

.kt-navbar .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(234, 242, 241, 0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

@media (max-width: 991.98px) {
  .kt-navbar .navbar-collapse {
    margin-top: 0.85rem;
    padding: 1rem;
    background: rgba(10, 14, 16, 0.96);
    border: 1px solid var(--kt-border);
    border-radius: 12px;
  }

  .kt-navbar .kt-nav-actions {
    margin-top: 0.75rem;
    width: 100%;
  }

  .kt-navbar .kt-nav-actions .btn {
    flex: 1;
  }
}

/* ---------- Hero ---------- */
.kt-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.kt-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.kt-hero-media video,
.kt-hero-media .kt-hero-fallback {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.kt-hero-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(6, 9, 10, 0.38) 0%, rgba(6, 9, 10, 0.32) 40%, #080b0d 96%),
    radial-gradient(ellipse 55% 65% at 50% 42%, rgba(6, 9, 10, 0.28), transparent 72%),
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(23, 191, 173, 0.12), transparent 70%);
}

.kt-hero-content {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: clamp(140px, 18vw, 180px) clamp(1.25rem, 5vw, 1.5rem) 5.5rem;
}

.kt-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(23, 191, 173, 0.1);
  border: 1px solid rgba(23, 191, 173, 0.35);
  padding: 0.45rem 1rem;
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--kt-teal-bright);
  margin-bottom: 1.75rem;
}

.kt-eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--kt-teal);
  animation: pulseDot 1.6s ease infinite;
}

.kt-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4.75rem);
  line-height: 1.22;
  font-weight: 800;
  margin: 0 0 1.75rem;
  max-width: 920px;
  letter-spacing: -0.01em;
}

.kt-strike {
  color: #c5d0d6;
  text-decoration: line-through;
  text-decoration-color: #7a8a92;
  text-decoration-thickness: 6px;
}

.kt-gradient-text {
  background: linear-gradient(92deg, #17bfad, #1471b8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.kt-hero-lead {
  font-size: clamp(0.9375rem, 2vw, 1.1875rem);
  line-height: 1.6;
  color: var(--kt-nav);
  max-width: 620px;
  margin: 0 0 2.5rem;
}

.kt-hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.kt-hero-note {
  margin-top: 1.25rem;
  font-size: 0.8125rem;
  color: var(--kt-muted-3);
}

@media (max-width: 620px) {
  .kt-hero-actions {
    flex-direction: column;
    width: 100%;
    max-width: 360px;
  }

  .kt-hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ---------- Sections shared ---------- */
.kt-section {
  padding: clamp(5.5rem, 12vw, 9.5rem) clamp(1.25rem, 4vw, 3rem);
}

.kt-section-sm {
  padding: clamp(3.75rem, 10vw, 6.25rem) clamp(1.25rem, 4vw, 3rem);
}

.kt-section-label {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kt-teal);
  margin-bottom: 0.875rem;
}

.kt-section-label.blue {
  color: var(--kt-blue);
}

.kt-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 1.125rem;
}

.kt-section-lead {
  font-size: clamp(0.9375rem, 1.8vw, 1.0625rem);
  color: var(--kt-muted);
  line-height: 1.7;
  margin: 0;
}

/* ---------- Why Choose Us ---------- */
.kt-why-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto clamp(2.5rem, 6vw, 3.5rem);
}

.kt-video-frame {
  position: relative;
  width: 100%;
  max-width: none;
  margin: 0 0 clamp(2.75rem, 6vw, 4rem);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(23, 191, 173, 0.35);
  background: #000;
  box-shadow: 0 28px 60px -28px rgba(23, 191, 173, 0.35);
}

.kt-video-frame video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  background: #000;
}

.kt-video-play-hint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(6, 9, 10, 0.15), rgba(6, 9, 10, 0.55));
  cursor: pointer;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 2;
}

.kt-video-play-hint.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.kt-play-btn {
  width: 78px;
  height: 78px;
  border-radius: 50%;
  border: none;
  background: rgba(23, 191, 173, 0.92);
  color: var(--kt-teal-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
  transition: transform 0.2s ease, background 0.2s ease;
}

.kt-play-btn:hover {
  transform: scale(1.06);
  background: #2fd0be;
}

.kt-play-btn svg {
  margin-left: 3px;
}

.kt-compare-card {
  background: var(--kt-bg-elevated);
  border: 1px solid var(--kt-border);
  border-radius: var(--kt-radius-lg);
  padding: clamp(1.75rem, 4vw, 2.375rem);
  height: 100%;
}

.kt-compare-card.accent {
  background: linear-gradient(160deg, #0e1c1c, #0d1720);
  border-color: rgba(23, 191, 173, 0.4);
  box-shadow: 0 20px 50px -20px rgba(23, 191, 173, 0.25);
}

.kt-compare-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--kt-muted-2);
  margin-bottom: 1.125rem;
}

.kt-compare-card.accent .kt-compare-label {
  color: var(--kt-teal-bright);
}

.kt-compare-card h3 {
  font-size: 1.4375rem;
  font-weight: 700;
  margin: 0 0 0.875rem;
}

.kt-compare-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.kt-compare-list li {
  display: flex;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--kt-muted-2);
  line-height: 1.5;
}

.kt-compare-card.accent .kt-compare-list li {
  color: #dce7e6;
}

.kt-x {
  color: var(--kt-muted-4);
  flex-shrink: 0;
}

.kt-check {
  color: var(--kt-teal);
  flex-shrink: 0;
}

/* ---------- Statement ---------- */
.kt-statement {
  text-align: center;
  border-top: 1px solid var(--kt-border-soft);
  border-bottom: 1px solid var(--kt-border-soft);
  background: var(--kt-bg-soft);
}

.kt-statement p {
  max-width: 820px;
  margin: 0 auto;
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 3.5vw, 2rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--kt-text);
}

.kt-statement .accent {
  color: var(--kt-teal);
}

/* ---------- Services ---------- */
.kt-services {
  position: relative;
  overflow: hidden;
}

.kt-services-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.kt-services-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kt-services-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 9, 10, 0.55) 0%, rgba(6, 9, 10, 0.7) 55%, #080b0d 100%);
}

.kt-services .container {
  position: relative;
  z-index: 1;
}

.kt-service-card {
  background: rgba(14, 20, 23, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 1.875rem;
  height: 100%;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.kt-service-card:hover {
  border-color: rgba(23, 191, 173, 0.45);
  transform: translateY(-3px);
}

.kt-service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
  color: #fff;
}

.kt-service-card p {
  font-size: 0.90625rem;
  color: #c7d2d1;
  line-height: 1.6;
  margin: 0;
}

/* ---------- Features ---------- */
.kt-feature-card {
  background: var(--kt-bg-elevated);
  border: 1px solid var(--kt-border);
  border-radius: 18px;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.kt-feature-card:hover {
  border-color: rgba(23, 191, 173, 0.35);
  transform: translateY(-3px);
}

.kt-feature-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.kt-feature-body {
  padding: 1.875rem;
}

.kt-feature-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(23, 191, 173, 0.12);
  color: var(--kt-teal-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.kt-feature-icon.blue {
  background: rgba(20, 113, 184, 0.15);
  color: var(--kt-blue-soft);
}

.kt-feature-body h3 {
  font-size: 1.375rem;
  font-weight: 700;
  margin: 0 0 0.625rem;
}

.kt-feature-body p {
  font-size: 0.9375rem;
  color: var(--kt-muted);
  line-height: 1.6;
  margin: 0;
}

/* ---------- Proof / Stats ---------- */
.kt-proof {
  background: var(--kt-bg-elevated);
  border-top: 1px solid var(--kt-border);
  border-bottom: 1px solid var(--kt-border);
}

.kt-stat-value {
  font-family: var(--font-display);
  font-size: clamp(2.125rem, 5vw, 2.875rem);
  font-weight: 800;
  color: var(--kt-teal);
}

.kt-stat-value.blue {
  color: var(--kt-blue);
}

.kt-stat-label {
  font-size: 0.875rem;
  color: var(--kt-muted-2);
  margin-top: 0.5rem;
}

/* ---------- Finale (CTA + Contact share one cover bg) ---------- */
.kt-finale {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.kt-finale-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: #080b0d;
  background-image: url("../assets/images/overall-3d-image.PNG");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}

.kt-finale-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 9, 10, 0.55) 0%, rgba(6, 9, 10, 0.7) 45%, rgba(6, 9, 10, 0.82) 100%),
    radial-gradient(ellipse 60% 50% at 50% 30%, rgba(23, 191, 173, 0.14), transparent 70%);
  pointer-events: none;
}

.kt-cta,
.kt-contact {
  position: relative;
  z-index: 1;
  background: transparent;
}

.kt-cta {
  min-height: 0;
}

.kt-cta .container {
  position: relative;
  z-index: 1;
  padding-top: clamp(5.5rem, 14vw, 9.5rem);
  padding-bottom: clamp(3.5rem, 8vw, 5rem);
  text-align: center;
}

.kt-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 auto 1.25rem;
  max-width: 680px;
}

.kt-cta p {
  font-size: clamp(0.9375rem, 1.8vw, 1.0625rem);
  color: var(--kt-muted);
  margin: 0 auto 2.25rem;
  max-width: 520px;
}

.kt-contact .container {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-top: clamp(2rem, 4vw, 3rem);
  padding-bottom: clamp(5.5rem, 14vw, 9.5rem);
}

.kt-contact h2 {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 5vw, 3.125rem);
  font-weight: 800;
  margin: 0 0 clamp(2.25rem, 6vw, 3.5rem);
  color: #fff;
}

.kt-contact-card {
  background: rgba(20, 26, 29, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 1.625rem 1.25rem;
  text-align: center;
  height: 100%;
  display: block;
  color: inherit;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.kt-contact-card:hover {
  border-color: rgba(23, 191, 173, 0.4);
  color: inherit;
  transform: translateY(-3px);
}

.kt-contact-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.875rem;
  font-size: 0.9rem;
  font-weight: 700;
}

.kt-contact-icon.email {
  background: rgba(20, 113, 184, 0.25);
  color: var(--kt-blue-soft);
}

.kt-contact-icon.wa {
  background: rgba(37, 211, 102, 0.2);
  color: var(--kt-wa);
}

.kt-contact-icon.li {
  background: rgba(20, 113, 184, 0.25);
  color: var(--kt-blue-soft);
}

.kt-contact-icon.ig {
  background: rgba(219, 39, 119, 0.22);
  color: #f472b6;
}

.kt-contact-icon.yt {
  background: rgba(239, 68, 68, 0.22);
  color: #f87171;
}

.kt-contact-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--kt-muted);
  margin-bottom: 0.5rem;
}

.kt-contact-value {
  font-size: 0.875rem;
  color: var(--kt-text);
  font-weight: 600;
}

/* ---------- Footer (matches navbar) ---------- */
.kt-footer {
  border-top: 1px solid var(--kt-border-soft);
  padding: clamp(1.5rem, 4vw, 2.25rem) clamp(1.25rem, 4vw, 3rem);
  background: linear-gradient(0deg, rgba(6, 8, 10, 0.98), rgba(10, 14, 16, 0.92));
}

.kt-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.kt-footer .footer-brand img {
  width: 140px;
  height: 36px;
  object-fit: contain;
}

.kt-footer-links {
  display: flex;
  align-items: center;
  gap: 0.25rem 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
  flex: 1;
}

.kt-footer-links a {
  color: var(--kt-nav);
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
}

.kt-footer-links a:hover {
  color: #fff;
}

.kt-footer-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.kt-footer-copy {
  width: 100%;
  text-align: center;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--kt-border-soft);
  font-size: 0.8125rem;
  color: var(--kt-muted-4);
}

@media (max-width: 991.98px) {
  .kt-footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .kt-footer-links {
    justify-content: center;
  }

  .kt-footer-actions {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }
}

/* ---------- WhatsApp FAB ---------- */
.kt-wa-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1040;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--kt-wa);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 26px -6px rgba(37, 211, 102, 0.6);
  animation: waBounce 2.4s ease-in-out infinite;
  transition: transform 0.2s ease;
}

.kt-wa-fab:hover {
  transform: scale(1.06) translateY(-2px);
  color: #fff;
}

/* ---------- Modal (Demo) ---------- */
.kt-modal .modal-content {
  background: var(--kt-bg-elevated);
  border: 1px solid var(--kt-border);
  color: var(--kt-text);
  border-radius: 16px;
}

.kt-modal .modal-header {
  border-bottom-color: var(--kt-border);
}

.kt-modal .modal-footer {
  border-top-color: var(--kt-border);
}

.kt-modal .btn-close {
  filter: invert(1) grayscale(100%);
  opacity: 0.7;
}

.kt-modal .form-control {
  background: #0a0f11;
  border: 1px solid #37454a;
  color: var(--kt-text);
  border-radius: 8px;
  padding: 0.75rem 1rem;
}

.kt-modal .form-control:focus {
  background: #0a0f11;
  border-color: var(--kt-teal);
  color: var(--kt-text);
  box-shadow: 0 0 0 0.2rem rgba(23, 191, 173, 0.2);
}

.kt-modal .form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--kt-nav);
}