:root {
  --bg: #000000;
  --bg-soft: #0a0b0c;
  --bg-muted: #0d0e10;
  --surface: #111315;
  --surface-2: #16181b;
  --text: #ffffff;
  --text-soft: #b9bfc6;
  --line: #23262b;
  --accent: #c7f24e;
  --accent-2: #b4e23a;
  --accent-ink: #000000;
  --font-base: "Inter Tight", system-ui, sans-serif;
  --font-display: "Space Grotesk", "Inter Tight", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-base);
  background:
    radial-gradient(circle at 88% -6%, rgba(199, 242, 78, .10), transparent 42%),
    radial-gradient(circle at 0% 92%, rgba(199, 242, 78, .05), transparent 45%),
    #000;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.container { width: min(1180px, 92vw); margin-inline: auto; }
.section {
  padding: clamp(3.2rem, 6vw, 5.6rem) 0;
  border-top: 1px solid rgba(255,255,255,.05);
}
.section-muted {
  background: linear-gradient(180deg, rgba(255,255,255,.012) 0%, rgba(255,255,255,.028) 100%);
}
.section h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: .01em;
  text-transform: uppercase;
  font-size: clamp(2rem, 5.3vw, 3.2rem);
  line-height: .98;
}
.section-lead {
  margin-top: 0;
  color: var(--text-soft);
  max-width: 760px;
  font-size: clamp(1.08rem, 2.15vw, 1.2rem);
  line-height: 1.55;
}
.eyebrow {
  margin: 0 0 .7rem;
  color: var(--accent);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

/* ---------- Logo image (header + footer + preloader) ---------- */
.brand { display: inline-flex; align-items: center; }
.brand-logo {
  height: 34px;
  width: auto;
  max-width: min(58vw, 220px);
  display: block;
  image-rendering: auto;
}

/* ---------- Preloader / intro animation ---------- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  background: #000;
}
.preloader-logo {
  width: clamp(250px, 62vw, 520px);
  height: auto;
  opacity: .12;
  transform: scale(.32);
  transform-origin: center center;
  will-change: transform, opacity, filter;
  backface-visibility: hidden;
  animation: lw-logo-in 2.4s cubic-bezier(.16, 1, .3, 1) forwards;
}
@keyframes lw-logo-in {
  0%   { opacity: .12; transform: scale(.32); filter: blur(12px); }
  18%  { opacity: .95; transform: scale(.84); filter: blur(0); }
  45%  { opacity: 1; transform: scale(1.04); filter: blur(0); }
  62%  { opacity: 1; transform: scale(1); filter: blur(0); }
  82%  { opacity: 1; transform: scale(1.02); filter: blur(0); }
  100% { opacity: 0; transform: scale(1.12); filter: blur(3px); }
}
.preloader.is-done {
  opacity: 0;
  pointer-events: none;
  transition: opacity .34s ease;
}
body.is-loading { overflow: hidden; }
.site-header,
main,
.site-footer { animation: lw-fade-up .7s ease both; }
body.is-loading .site-header,
body.is-loading main,
body.is-loading .site-footer { animation: none; opacity: 0; }
@keyframes lw-fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, .85);
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(10px);
}
.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.menu-toggle {
  border: 1px solid var(--line);
  background: transparent;
  color: #fff;
  border-radius: .55rem;
  padding: .48rem .72rem;
  font-size: 1rem;
}
.nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none;
  flex-direction: column;
  position: absolute;
  right: 4vw;
  top: 76px;
  min-width: 220px;
  border-radius: .75rem;
  background: #0a0b0c;
  border: 1px solid var(--line);
}
.nav-menu.show { display: flex; }
.nav-menu a {
  padding: .8rem 1rem;
  color: #c9cfda;
  display: block;
  font-weight: 500;
}
.nav-menu a:hover { color: var(--accent); }
.nav-menu .btn {
  color: #000000 !important;
}

/* ---------- Hero ---------- */
.hero {
  border-top: 0;
  padding: clamp(5rem, 11vw, 7rem) 0 clamp(4.2rem, 9vw, 6.2rem);
}
.hero-cover {
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}
.hero-grid {
  display: grid;
  gap: 1.2rem;
  min-height: clamp(340px, 52vw, 560px);
  align-items: center;
}
.hero-content {
  max-width: 640px;
}
.hero-content h1 {
  margin: 0;
  line-height: .9;
  font-size: clamp(2.9rem, 10.5vw, 6rem);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: .01em;
  text-transform: none;
  text-wrap: balance;
  text-shadow: 0 8px 24px rgba(0,0,0,.42);
}
.hero-content h1 span { color: var(--accent); }
.hero-cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.6rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .86rem 1.3rem;
  border-radius: .62rem;
  transition: .2s ease;
}
.btn:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px -10px rgba(199,242,78,.5);
}
.btn-outline {
  background: transparent;
  border-color: #3a4046;
  color: #eef1f4;
}
.btn-outline:hover {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: none;
}
.btn-sm {
  padding: .5rem .9rem !important;
  font-size: .7rem;
}

/* ---------- Cards ---------- */
.services-grid,
.certifications-grid,
.steps-grid {
  display: grid;
  gap: 1rem;
}
.step-card,
.faq-item,
.contact-form {
  border: 1px solid var(--line);
  border-radius: .95rem;
  background: linear-gradient(180deg, #0e1012 0%, #0a0b0c 100%);
}
.step-card { padding: 1.2rem; }
.step-card h3 {
  margin: 0 0 .55rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.08rem;
}
.step-card p { color: var(--text-soft); margin: 0; line-height: 1.6; }

/* ---------- Services with image + cascade overlay ---------- */
.services-grid { grid-template-columns: 1fr; }
.service-media-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: .95rem;
  overflow: hidden;
  background: #060708;
  min-height: 260px;
  cursor: pointer;
  transition: border-color .2s ease, transform .2s ease;
}
.service-media-card:hover,
.service-media-card:focus-visible {
  border-color: var(--accent);
  transform: translateY(-3px);
  outline: none;
}
.service-image-wrap {
  position: absolute;
  inset: 0;
}
.service-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.01);
}
.service-overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(11,13,8,.15) 0%, rgba(11,13,8,.92) 48%, #0b0d08 100%);
  border-top: 2px solid var(--accent);
  padding: 1.1rem 1.1rem 1.2rem;
  transform: translateY(62%);
  transition: transform .4s cubic-bezier(.22, 1, .36, 1);
}
.service-media-card:hover .service-overlay,
.service-media-card:focus-visible .service-overlay,
.service-media-card:focus-within .service-overlay {
  transform: translateY(0);
}
.service-overlay h3 {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: .02em;
  color: var(--accent);
}
.service-overlay p {
  margin: 0;
  color: #e8ecf1;
  line-height: 1.5;
  font-size: .96rem;
}

/* ---------- About us ---------- */
.about-section {
  background: linear-gradient(180deg, rgba(255,255,255,.01) 0%, rgba(255,255,255,.02) 100%);
}
.about-grid {
  display: grid;
  gap: 1.2rem;
  align-items: stretch;
}
.about-copy {
  border: 1px solid var(--line);
  border-radius: .95rem;
  background: linear-gradient(180deg, #0e1012 0%, #0a0b0c 100%);
  padding: 1.4rem;
}
.philosophy-lead {
  color: #e3e7ec;
  font-size: clamp(1.04rem, 2.1vw, 1.2rem);
  line-height: 1.75;
  max-width: 900px;
}
.philosophy-highlight {
  color: var(--accent);
  font-family: var(--font-display);
}
.philosophy-points {
  display: grid;
  gap: .7rem;
  margin-top: 1rem;
}
.philosophy-points p {
  margin: 0;
  color: var(--text-soft);
  font-size: clamp(1rem, 2vw, 1.1rem);
  line-height: 1.6;
}
.keyword {
  color: var(--accent);
  font-weight: 700;
}
.about-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: .95rem;
  overflow: hidden;
  min-height: 260px;
  background: #060708;
}
.about-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* ---------- Certifications / materials ---------- */
.certifications-grid {
  grid-template-columns: 1fr;
  align-items: stretch;
}
.cert-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: .95rem;
  overflow: hidden;
  background: #ffffff;
  min-height: 190px;
  cursor: pointer;
  transition: border-color .2s ease, transform .2s ease;
}
.cert-card:hover,
.cert-card:focus-visible {
  border-color: var(--accent);
  transform: translateY(-3px);
  outline: none;
}
.cert-logo-wrap {
  background: #ffffff;
  width: 100%;
  min-height: 190px;
  display: grid;
  place-items: center;
  padding: 1.6rem;
}
.cert-logo-wrap img {
  width: 80%;
  max-width: 230px;
  height: 96px;
  object-fit: contain;
}
.cert-overlay {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, rgba(11,13,8,.92) 0%, #0b0d08 100%);
  border-top: 2px solid var(--accent);
  padding: 1.1rem 1.2rem 1.25rem;
  transform: translateY(101%);
  transition: transform .38s cubic-bezier(.22, 1, .36, 1);
}
.cert-card:hover .cert-overlay,
.cert-card:focus-visible .cert-overlay,
.cert-card:focus-within .cert-overlay {
  transform: translateY(0);
}
.cert-overlay h3 {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent);
}
.cert-overlay p {
  margin: 0;
  color: #e7ebf0;
  font-size: .9rem;
  line-height: 1.5;
}

/* ---------- Before / After ---------- */
.compare {
  position: relative;
  height: clamp(250px, 50vw, 480px);
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--line);
}
.compare-before,
.compare-after {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.compare-after { clip-path: inset(0 0 0 45%); }
.compare input[type="range"] {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  width: calc(100% - 2rem);
  accent-color: var(--accent);
}

/* ---------- Carousel (Real results) ---------- */
.carousel {
  position: relative;
  margin-top: .6rem;
}
.carousel-track {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: .4rem .2rem .9rem;
  scrollbar-width: none;
}
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-item {
  flex: 0 0 auto;
  width: clamp(250px, 34vw, 360px);
  aspect-ratio: 4 / 5;
  scroll-snap-align: start;
  position: relative;
  overflow: hidden;
  border-radius: .95rem;
  border: 1px solid var(--line);
  background: #0a0b0c;
}
.carousel-item img,
.carousel-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.carousel-item.is-video { cursor: pointer; }
.carousel-play {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 62px; height: 62px;
  border: 0;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 1.3rem;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: .2s ease;
  box-shadow: 0 8px 22px -6px rgba(199,242,78,.6);
}
.carousel-play:hover { transform: translate(-50%, -50%) scale(1.08); }
.carousel-item.is-playing .carousel-play { display: none; }
.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.78);
  color: #fff;
  font-size: 1.55rem;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: .2s ease;
  backdrop-filter: blur(7px);
}
.carousel-nav:hover { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.carousel-nav.prev { left: -8px; }
.carousel-nav.next { right: -8px; }

/* ---------- Steps ---------- */
.step-card span {
  display: inline-block;
  margin-bottom: .65rem;
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: .04em;
}

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: .7rem; }
.faq-item { overflow: hidden; }
.faq-question {
  width: 100%;
  border: 0;
  text-align: left;
  background: transparent;
  color: #fff;
  font-weight: 600;
  font-family: var(--font-display);
  padding: 1rem;
  cursor: pointer;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
  padding: 0 1rem;
}
.faq-answer p { color: var(--text-soft); margin: 0 0 1rem; line-height: 1.6; }
.faq-item.open .faq-answer { max-height: 240px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; gap: 1.4rem; }
.contact-grid > div p { color: var(--text-soft); line-height: 1.6; }
.contact-meta { list-style: none; padding: 0; margin: 1rem 0; }
.contact-meta li { color: #c8cfda; margin-bottom: .45rem; }
.social-links { display: flex; flex-wrap: wrap; gap: .7rem; }
.social-links a {
  border: 1px solid #3b4350;
  border-radius: .6rem;
  padding: .55rem .9rem;
  color: #d7dde6;
  font-weight: 600;
  transition: .2s ease;
}
.social-links a:hover { border-color: var(--accent); color: var(--accent); }
.contact-form { display: grid; gap: .55rem; padding: 1.2rem; }
.contact-form label { font-weight: 600; color: #edf1f6; }
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid #2c3138;
  border-radius: .6rem;
  background: #060708;
  color: #fff;
  padding: .74rem;
  font-family: inherit;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

/* ---------- Location ---------- */
.location-grid { display: grid; gap: 1rem; align-items: stretch; }
.location-copy {
  border: 1px solid var(--line);
  border-radius: .95rem;
  background: linear-gradient(180deg, #0e1012 0%, #0a0b0c 100%);
  padding: 1.4rem;
}
.location-copy p { color: var(--text-soft); margin: 0 0 .8rem; line-height: 1.6; }
.location-map-wrap {
  border: 1px solid var(--line);
  border-radius: .95rem;
  overflow: hidden;
  background: #0a0b0c;
}
.location-map-wrap iframe { width: 100%; min-height: 320px; border: 0; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid rgba(255,255,255,.08);
  background: #050505;
  padding: 2.4rem 0;
}
.footer-grid { display: grid; gap: 1rem; align-items: start; }
.footer-brand { display: inline-block; margin-bottom: .6rem; }
.footer-copy { color: #9aa1ab; margin: .45rem 0; }

/* ---------- Floating WhatsApp ---------- */
.floating-whatsapp {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: #25d366;
  border: 0;
  box-shadow: 0 10px 26px -8px rgba(37,211,102,.6);
  z-index: 120;
  transition: transform .2s ease;
}
.floating-whatsapp:hover { transform: translateY(-2px) scale(1.05); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .preloader-logo { animation: none; opacity: 1; transform: none; }
  .preloader { display: none; }
  body.is-loading { overflow: auto; }
  body.is-loading .site-header,
  body.is-loading main,
  body.is-loading .site-footer { opacity: 1; }
  .site-header, main, .site-footer { animation: none; }
}

/* ---------- Responsive ---------- */
@media (min-width: 720px) {
  .brand-logo {
    height: 40px;
    max-width: min(40vw, 250px);
  }
  .hero-content h1 { font-size: clamp(3.4rem, 7vw, 5.2rem); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .certifications-grid { grid-template-columns: repeat(2, 1fr); }
  .location-grid { grid-template-columns: .9fr 1.1fr; }
  .carousel-nav.prev { left: 8px; }
  .carousel-nav.next { right: 8px; }
}

@media (min-width: 1000px) {
  .brand-logo {
    height: 46px;
    max-width: 280px;
  }
  .menu-toggle { display: none; }
  .nav-menu {
    position: static;
    display: flex;
    flex-direction: row;
    border: 0;
    background: transparent;
    min-width: auto;
    align-items: center;
  }
  .nav-menu a { padding: .25rem .72rem; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-content { max-width: 760px; }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .about-grid { grid-template-columns: 1.05fr .95fr; }
  .certifications-grid { grid-template-columns: repeat(4, 1fr); }
  .steps-grid { grid-template-columns: repeat(4, 1fr); }
  .contact-grid { grid-template-columns: 1fr 1fr; }
}