/* =========================================================
   ABU 3D — Landing Page
   Visual: premium / minimalista / tecnológico
   ========================================================= */

:root {
  --bg: #0b0b0d;
  --bg-soft: #111114;
  --card: #151519;
  --text: #f5f5f7;
  --muted: #a6a6ad;
  --line: rgba(255,255,255,.10);
  --white: #ffffff;
  --accent: #25d366;
  --accent-dark: #128c7e;
  --max: 1180px;
  --radius: 22px;
  --shadow: 0 25px 80px rgba(0,0,0,.28);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

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

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

button, a { -webkit-tap-highlight-color: transparent; }

.container {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.header {
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(11,11,13,.78);
  border-bottom: 1px solid rgba(255,255,255,.06);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  width: 150px;
  height: 58px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 2px solid var(--white);
  font-size: 18px;
  transform: skew(-8deg);
}

.brand-text {
  font-size: 20px;
}

.brand-text strong {
  font-weight: 800;
}

.menu {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 13px;
  color: #c7c7cc;
}

.menu a {
  transition: color .2s ease;
}

.menu a:hover { color: var(--white); }

.menu .nav-cta {
  padding: 11px 17px;
  border-radius: 999px;
  background: var(--white);
  color: #111;
  font-weight: 700;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: none;
  border: 0;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 23px;
  height: 2px;
  margin: 5px auto;
  background: var(--white);
  transition: transform .25s ease, opacity .25s ease;
}

/* Hero */
.hero {
  min-height: 780px;
  position: relative;
  display: flex;
  align-items: center;
  padding: 140px 0 90px;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .35;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 70px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 18px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
  color: #8d8d95;
}

.hero h1,
.section-heading h2,
.cta-content h2,
.store-copy h2 {
  font-family: "Montserrat", sans-serif;
  font-weight: 800;
  letter-spacing: -.055em;
  line-height: .98;
}

.hero h1 {
  max-width: 720px;
  font-size: clamp(48px, 6vw, 82px);
}

.hero h1 span,
.section-heading h2 span,
.cta-content h2 span,
.store-copy h2 span {
  color: #77777f;
}

.hero-copy > p {
  max-width: 600px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--white);
  color: #101012;
  box-shadow: 0 15px 35px rgba(255,255,255,.08);
}

.btn-primary:hover {
  box-shadow: 0 18px 40px rgba(255,255,255,.16);
}

.btn-ghost {
  color: #d4d4d8;
  border: 1px solid var(--line);
}

.btn-ghost:hover { background: rgba(255,255,255,.05); }

.btn-large {
  min-height: 58px;
  padding-inline: 28px;
}

.whatsapp-icon,
.whatsapp-symbol {
  color: #25d366;
  font-size: 17px;
}

.hero-note {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 20px;
  color: #77777f;
  font-size: 11px;
}

.status-dot,
.pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(37,211,102,.09);
}

.hero-visual {
  position: relative;
}

.visual-glow {
  position: absolute;
  width: 420px;
  height: 420px;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  filter: blur(80px);
}

.hero-card {
  position: relative;
  max-width: 520px;
  margin-left: auto;
  transform: rotate(2deg);
}

.hero-image {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 28px;
  background: #151519;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.14), transparent 35%, rgba(0,0,0,.5));
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.75) contrast(1.05);
}

.floating-tag {
  position: absolute;
  z-index: 2;
  padding: 10px 13px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(15,15,18,.85);
  backdrop-filter: blur(12px);
  border-radius: 9px;
  font-size: 9px;
  letter-spacing: .14em;
  font-weight: 800;
}

.tag-top { top: 25px; left: -20px; }
.tag-bottom { bottom: 25px; right: -20px; }

/* Trust */
.trust-bar {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #0e0e10;
}

.trust-items {
  min-height: 88px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.trust-items > div {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 20px 24px;
  border-right: 1px solid var(--line);
}

.trust-items > div:first-child { border-left: 1px solid var(--line); }

.trust-items strong {
  font-size: 11px;
  color: #6d6d75;
}

.trust-items span {
  color: #c5c5ca;
  font-size: 11px;
}

/* General sections */
.section {
  padding: 125px 0;
  background: #f5f5f2;
  color: #111113;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 50px;
  align-items: end;
  margin-bottom: 55px;
}

.section-heading .eyebrow { color: #85858b; }

.section-heading h2 {
  font-size: clamp(40px, 5vw, 64px);
}

.section-heading > p {
  max-width: 400px;
  color: #6c6c72;
  font-size: 14px;
  line-height: 1.8;
}

/* Projects */
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.project-card {
  position: relative;
  min-height: 390px;
  overflow: hidden;
  border-radius: var(--radius);
  background: #ddd;
  cursor: pointer;
}

.project-card.project-large {
  grid-row: span 2;
  min-height: 796px;
}

.project-card.project-wide {
  grid-column: span 2;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s cubic-bezier(.2,.7,.2,1);
}

.project-card:hover img { transform: scale(1.06); }

.project-overlay {
  position: absolute;
  inset: auto 0 0;
  padding: 35px 30px 28px;
  color: white;
  background: linear-gradient(transparent, rgba(0,0,0,.85));
}

.project-overlay span {
  color: rgba(255,255,255,.55);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .15em;
}

.project-overlay h3 {
  margin-top: 7px;
  font-family: "Montserrat", sans-serif;
  font-size: 22px;
  letter-spacing: -.04em;
}

.project-overlay p {
  margin-top: 3px;
  color: #c9c9cd;
  font-size: 12px;
}

.center-cta {
  margin-top: 50px;
  text-align: center;
}

.center-cta p {
  color: #8a8a90;
  font-size: 13px;
}

.text-link {
  display: inline-block;
  margin-top: 7px;
  font-weight: 800;
  font-size: 13px;
  border-bottom: 1px solid #111;
}

/* Dark section */
.dark-section {
  background: var(--bg);
  color: var(--text);
}

.section-heading.light h2 { color: var(--text); }

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service-card {
  position: relative;
  min-height: 340px;
  padding: 35px 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background .25s ease;
}

.service-card:hover { background: #111115; }

.service-number {
  color: #55555d;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
}

.service-icon {
  margin-top: 65px;
  font-size: 36px;
  color: #d9d9de;
}

.service-card h3 {
  margin-top: 18px;
  font-family: "Montserrat", sans-serif;
  font-size: 19px;
  letter-spacing: -.03em;
}

.service-card p {
  margin-top: 10px;
  color: #85858d;
  font-size: 12px;
  line-height: 1.7;
}

/* Process */
.process {
  background: #f5f5f2;
}

.process-line {
  height: 1px;
  margin-bottom: 45px;
  background: #d7d7d3;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 35px;
}

.step-number {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid #d3d3cf;
  border-radius: 50%;
  color: #77777d;
  font-size: 10px;
  font-weight: 800;
}

.process-step h3 {
  margin-top: 22px;
  font-family: "Montserrat", sans-serif;
  font-size: 18px;
}

.process-step p {
  margin-top: 10px;
  color: #77777d;
  font-size: 12px;
  line-height: 1.8;
}

/* CTA */
.cta-section {
  position: relative;
  overflow: hidden;
  padding: 145px 0;
  background: #111114;
  text-align: center;
}

.cta-section::before {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  filter: blur(100px);
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: clamp(50px, 7vw, 90px);
}

.cta-content p {
  max-width: 530px;
  margin: 25px auto 30px;
  color: #909097;
  font-size: 14px;
  line-height: 1.8;
}

.cta-content small {
  display: block;
  margin-top: 14px;
  color: #606067;
  font-size: 10px;
}

/* Store */
.store-section {
  background: #e9e9e5;
}

.store-card {
  position: relative;
  min-height: 550px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  border-radius: 30px;
  background: #111114;
  color: var(--text);
}

.store-copy {
  position: relative;
  z-index: 2;
  align-self: center;
  padding: 70px;
}

.store-copy h2 {
  font-size: clamp(42px, 5vw, 65px);
}

.store-copy p {
  max-width: 500px;
  margin-top: 25px;
  color: #909097;
  font-size: 14px;
  line-height: 1.8;
}

.coming-soon {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 30px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #aaaab0;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .1em;
}

.store-visual {
  position: relative;
  min-height: 550px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.store-box {
  position: relative;
  z-index: 2;
  width: 210px;
  height: 270px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border: 1px solid rgba(255,255,255,.15);
  background: linear-gradient(145deg, #242429, #0b0b0d);
  box-shadow: 25px 30px 80px rgba(0,0,0,.4);
  transform: rotate(-8deg);
}

.store-box span {
  font-family: "Montserrat", sans-serif;
  font-size: 24px;
  font-weight: 700;
}

.store-box strong {
  font-family: "Montserrat", sans-serif;
  font-size: 55px;
  line-height: 1;
}

.store-ring {
  position: absolute;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 50%;
}

.ring-1 { width: 430px; height: 430px; }
.ring-2 { width: 650px; height: 650px; }

/* Footer */
.footer {
  padding: 55px 0 25px;
  background: var(--bg);
  color: var(--text);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 50px;
  padding-bottom: 45px;
}

.footer-brand .brand-mark { width: 30px; height: 30px; }

.footer-top p {
  margin-top: 14px;
  color: #77777e;
  font-size: 11px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 25px;
  color: #85858c;
  font-size: 11px;
}

.footer-links a:hover { color: white; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: #55555d;
  font-size: 9px;
}

/* Floating WhatsApp */
.floating-whatsapp {
  position: fixed;
  z-index: 900;
  right: 22px;
  bottom: 22px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 13px 17px;
  border-radius: 999px;
  background: #25d366;
  color: #07130b;
  box-shadow: 0 15px 35px rgba(37,211,102,.22);
  font-size: 11px;
  font-weight: 800;
  transition: transform .2s ease;
}

.floating-whatsapp:hover { transform: translateY(-3px); }

.floating-whatsapp .whatsapp-symbol { color: #07130b; }

/* Lightbox */
.lightbox {
  position: fixed;
  z-index: 2000;
  inset: 0;
  display: none;
  place-items: center;
  padding: 35px;
  background: rgba(0,0,0,.93);
}

.lightbox.active { display: grid; }

.lightbox-content {
  width: min(900px, 90vw);
  max-height: 90vh;
}

.lightbox-content img {
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 12px;
}

.lightbox-caption {
  padding-top: 18px;
  color: white;
}

.lightbox-caption span {
  color: #777;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .15em;
}

.lightbox-caption h3 {
  margin-top: 5px;
  font-family: "Montserrat", sans-serif;
}

.lightbox-caption p {
  color: #888;
  font-size: 12px;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  z-index: 2;
  border: 0;
  background: rgba(255,255,255,.08);
  color: white;
  cursor: pointer;
  border-radius: 50%;
}

.lightbox-close {
  top: 22px;
  right: 25px;
  width: 44px;
  height: 44px;
  font-size: 28px;
}

.lightbox-prev,
.lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  font-size: 35px;
}

.lightbox-prev { left: 25px; }
.lightbox-next { right: 25px; }

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 950px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 55px;
  }

  .hero {
    padding-top: 130px;
  }

  .hero-visual {
    max-width: 550px;
    width: 100%;
    margin: auto;
  }

  .trust-items {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-items > div:nth-child(3),
  .trust-items > div:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 50px;
  }

  .store-card {
    grid-template-columns: 1fr;
  }

  .store-visual {
    min-height: 400px;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(calc(100% - 28px), var(--max));
  }

  .nav { height: 70px; }

  .menu-toggle { display: block; }

  .menu {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 14px 18px;
    background: rgba(11,11,13,.98);
    border-bottom: 1px solid var(--line);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity .2s ease, transform .2s ease;
  }

  .menu.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .menu a {
    padding: 15px 10px;
  }

  .menu .nav-cta {
    text-align: center;
    margin-top: 5px;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 75px;
  }

  .hero h1 {
    font-size: clamp(43px, 13vw, 65px);
  }

  .hero-copy > p {
    font-size: 15px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn { width: 100%; }

  .hero-card {
    max-width: 430px;
  }

  .tag-top { left: 10px; }
  .tag-bottom { right: 10px; }

  .trust-items {
    grid-template-columns: 1fr 1fr;
  }

  .trust-items > div {
    padding: 17px 12px;
  }

  .section {
    padding: 85px 0;
  }

  .section-heading {
    display: block;
    margin-bottom: 38px;
  }

  .section-heading > p {
    margin-top: 20px;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  .project-card,
  .project-card.project-large,
  .project-card.project-wide {
    grid-column: auto;
    grid-row: auto;
    min-height: 390px;
  }

  .project-card.project-large { min-height: 500px; }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 280px;
  }

  .service-icon { margin-top: 45px; }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .cta-section {
    padding: 100px 0;
  }

  .store-copy {
    padding: 50px 30px 20px;
  }

  .store-visual {
    min-height: 360px;
  }

  .store-box {
    width: 170px;
    height: 220px;
  }

  .footer-top {
    flex-direction: column;
  }

  .footer-links {
    flex-wrap: wrap;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .floating-whatsapp {
    right: 14px;
    bottom: 14px;
    padding: 14px 16px;
  }

  .floating-label { display: none; }

  .lightbox {
    padding: 18px;
  }

  .lightbox-prev { left: 10px; }
  .lightbox-next { right: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}