:root {
  --navy: #07111f;
  --dark: #030712;
  --card: rgba(255,255,255,0.075);
  --card-border: rgba(255,255,255,0.14);
  --blue: #4da3ff;
  --sky: #00d4ff;
  --powder: #b9e6ff;
  --white: #ffffff;
  --muted: #b8c3d9;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--white);
  overflow-x: hidden;
  background:
    radial-gradient(circle at 10% 10%, rgba(77,163,255,0.28), transparent 30%),
    radial-gradient(circle at 90% 5%, rgba(0,212,255,0.18), transparent 28%),
    linear-gradient(135deg, var(--dark), var(--navy));
}

a {
  text-decoration: none;
}

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

section {
  padding: 100px 0;
  position: relative;
}

/* NAVBAR */
.navbar {
  background: rgba(3,7,18,0.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 16px 0;
  transition: 0.3s ease;
}

.navbar.navbar-scrolled {
  background: rgba(3,7,18,0.98);
  box-shadow: 0 18px 45px rgba(0,0,0,0.35);
}

.site-logo {
  height: 46px;
  max-width: 210px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.nav-link {
  color: var(--muted) !important;
  font-weight: 600;
  margin-left: 18px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--sky) !important;
}

.navbar-toggler {
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: none !important;
}

.navbar-toggler-icon {
  filter: invert(1);
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 130px;
}

.hero-badge {
  display: inline-flex;
  padding: 9px 18px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.13);
  color: var(--powder);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.95;
  margin-bottom: 24px;
}

.gradient-text {
  display: block;
  background: linear-gradient(90deg, var(--white), var(--powder), var(--sky), var(--blue));
  background-size: 250%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 680px;
  line-height: 1.8;
  margin-bottom: 34px;
}

.btn-brand,
.btn-outline-light {
  border-radius: 999px;
  padding: 14px 30px;
  font-weight: 800;
}

.btn-brand {
  background: linear-gradient(135deg, var(--blue), var(--sky));
  border: 0;
  color: var(--white);
  box-shadow: 0 18px 45px rgba(0,212,255,0.25);
}

.btn-brand:hover {
  transform: translateY(-4px);
  color: var(--white);
}

.hero-visual {
  position: relative;
  min-height: 450px;
  border-radius: 34px;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.14), rgba(255,255,255,0.03)),
    url("../img/about-panel.png") center / cover no-repeat;
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 35px 90px rgba(0,0,0,0.45);
  overflow: hidden;
}

.floating-card {
  position: absolute;
  left: 24px;
  bottom: 24px;
  z-index: 2;
  width: calc(100% - 48px);
  padding: 24px;
  border-radius: 24px;
  background: rgba(3,7,18,0.78);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.14);
}

/* SECTIONS */
.section-title {
  max-width: 790px;
  margin-bottom: 50px;
}

.section-title span {
  color: var(--sky);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 800;
}

.section-title h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--white);
}

.section-title p,
.text-muted-custom {
  color: var(--muted);
  line-height: 1.8;
}

/* CARDS */
.glass-card {
  height: 100%;
  padding: 34px;
  border-radius: 28px;
  background: var(--card);
  border: 1px solid var(--card-border);
  box-shadow: 0 24px 70px rgba(0,0,0,0.24);
  transition: 0.35s ease;
}

.glass-card:hover {
  transform: translateY(-10px);
  border-color: rgba(0,212,255,0.55);
}

.icon-box {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 1.45rem;
  margin-bottom: 22px;
  color: var(--white);
  background: linear-gradient(135deg, rgba(77,163,255,0.28), rgba(0,212,255,0.13));
  border: 1px solid rgba(255,255,255,0.14);
}

.icon-box i {
  font-size: 1.45rem;
}

.icon-box span {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--sky);
}

.glass-card h5 {
  color: var(--white);
  font-weight: 800;
}

.glass-card p {
  color: var(--muted);
  line-height: 1.7;
}

/* ABOUT IMAGE PANEL */
.about-row {
  align-items: stretch !important;
}

.about-image-col {
  display: flex;
}

.about-panel {
  width: 100%;
  min-height: 460px;
  flex: 1;
  border-radius: 34px;
  background:
    radial-gradient(circle at center, rgba(0,212,255,0.22), rgba(3,7,18,0.96) 65%),
    url("../img/about-panel.png") center / cover no-repeat;
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 30px 80px rgba(0,0,0,0.36);
}

/* STATS */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 32px;
}

.stat {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255,255,255,0.065);
  border: 1px solid rgba(255,255,255,0.11);
}

.stat strong {
  display: block;
  font-size: 1.8rem;
  color: var(--sky);
}

.stat span {
  color: var(--muted);
}

/* CONTACT */
.contact-box {
  border-radius: 34px;
  padding: 48px;
  background:
    radial-gradient(circle at top left, rgba(77,163,255,0.18), transparent 35%),
    linear-gradient(145deg, rgba(255,255,255,0.1), rgba(255,255,255,0.04));
  border: 1px solid rgba(255,255,255,0.12);
}

.form-control {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--white);
  border-radius: 16px;
  padding: 15px 16px;
}

.form-control::placeholder {
  color: #8fa0b8;
}

.form-control:focus {
  background: rgba(255,255,255,0.08);
  color: var(--white);
  border-color: var(--sky);
  box-shadow: 0 0 0 4px rgba(0,212,255,0.12);
}

/* ANIMATION */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: 0.75s ease;
}

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

/* WHATSAPP */
#whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9999;
}

#whatsapp-btn {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 22px 55px rgba(0,0,0,0.38);
}

#whatsapp-btn i {
  font-size: 1.65rem;
}

/* FOOTER */
footer {
  padding: 60px 0;
  background: rgba(3,7,18,0.92);
  border-top: 1px solid rgba(255,255,255,0.08);
  color: var(--muted);
}

footer h5 {
  color: var(--white);
}

/* TABLET */
@media (max-width: 991px) {
  .navbar-collapse {
    margin-top: 18px;
    padding: 18px;
    border-radius: 22px;
    background: rgba(3,7,18,0.96);
    border: 1px solid rgba(255,255,255,0.1);
  }

  .nav-link {
    margin-left: 0;
    padding: 12px 0;
  }

  .hero {
    text-align: center;
    padding-top: 120px;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-visual {
    margin-top: 40px;
    min-height: 380px;
  }

  .about-image-col {
    display: block;
  }

  .about-panel {
    min-height: 360px;
  }

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

  .section-title {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }
}

/* MOBILE */
@media (max-width: 768px) {
  section {
    padding: 76px 0;
  }

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

  .hero h1 {
    font-size: 2.8rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-visual,
  .about-panel {
    min-height: 300px;
    border-radius: 24px;
  }

  .floating-card {
    left: 16px;
    bottom: 16px;
    width: calc(100% - 32px);
    padding: 18px;
  }

  .glass-card {
    padding: 28px;
  }

  .contact-box {
    padding: 28px;
  }

  .site-logo {
    height: 40px;
    max-width: 180px;
  }

  #whatsapp-float {
    right: 18px;
    bottom: 18px;
  }

  #whatsapp-btn {
    width: 56px;
    height: 56px;
  }
}

/* SMALL MOBILE */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.35rem;
  }

  .btn-brand,
  .btn-outline-light {
    width: 100%;
    text-align: center;
  }

  .hero-visual,
  .about-panel {
    min-height: 240px;
  }

  .section-title h2 {
    font-size: 2rem;
  }

  .glass-card {
    padding: 24px;
  }

  footer {
    text-align: center;
  }
}
/* Premium Navbar */
.modern-navbar {
  background: rgba(3, 7, 18, 0.68);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 14px 0;
  transition: all 0.3s ease;
}

.modern-navbar.navbar-scrolled {
  background: rgba(3, 7, 18, 0.98);
  box-shadow: 0 18px 45px rgba(0,0,0,0.35);
}

.brand-text {
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.modern-navbar .site-logo {
  height: 42px;
  max-width: 180px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.modern-navbar .nav-link {
  color: var(--muted) !important;
  font-weight: 700;
  margin-left: 18px;
  position: relative;
  transition: 0.3s ease;
}

.modern-navbar .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 5px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--sky));
  border-radius: 999px;
  transition: 0.3s ease;
}

.modern-navbar .nav-link:hover,
.modern-navbar .nav-link.active {
  color: var(--sky) !important;
}

.modern-navbar .nav-link:hover::after,
.modern-navbar .nav-link.active::after {
  width: 100%;
}

.btn-nav-cta {
  background: linear-gradient(135deg, var(--blue), var(--sky));
  color: #fff;
  border-radius: 999px;
  padding: 10px 24px;
  font-weight: 800;
  box-shadow: 0 14px 35px rgba(0,212,255,0.25);
  transition: 0.3s ease;
}

.btn-nav-cta:hover {
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 22px 55px rgba(0,212,255,0.42);
}

.modern-dropdown {
  margin-top: 14px;
  padding: 12px;
  border-radius: 18px;
  background: rgba(3, 7, 18, 0.96);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 24px 70px rgba(0,0,0,0.42);
}

.modern-dropdown .dropdown-item {
  color: var(--muted);
  border-radius: 12px;
  padding: 11px 14px;
  font-weight: 700;
  transition: 0.25s ease;
}

.modern-dropdown .dropdown-item:hover,
.modern-dropdown .dropdown-item.active {
  background: rgba(0,212,255,0.12);
  color: var(--sky);
}

.navbar-toggler {
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: none !important;
}

.navbar-toggler-icon {
  filter: invert(1);
}

@media (max-width: 991px) {
  .modern-navbar .navbar-collapse {
    margin-top: 16px;
    padding: 20px;
    border-radius: 24px;
    background: rgba(3, 7, 18, 0.98);
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 24px 70px rgba(0,0,0,0.35);
  }

  .modern-navbar .nav-link {
    margin-left: 0;
    padding: 12px 0;
  }

  .modern-navbar .nav-link::after {
    display: none;
  }

  .modern-dropdown {
    margin-top: 4px;
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 4px 0 4px 10px;
  }

  .btn-nav-cta {
    width: 100%;
    text-align: center;
  }

  .brand-text {
    font-size: 1rem;
  }
}
/* FOOTER LOGO */
.footer-logo {
  height: 50px;
  width: auto;
  margin-bottom: 12px;
  filter: brightness(0) invert(1);
}

/* FOOTER BRAND BLOCK */
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.footer-brand h5 {
  margin: 0;
  font-weight: 800;
}

/* FOOTER BOTTOM */
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 10px;
  color: var(--muted);
  font-size: 0.9rem;
}
@media (max-width: 991px) { ... }
@media (max-width: 768px) { ... }
@media (max-width: 480px) { ... }

/* NAV ACTIVE STATE */
.navbar-nav .nav-link.active,
.navbar-nav .dropdown-toggle.active {
  color: #00d4ff !important;
  font-weight: 700;
}

.dropdown-menu .dropdown-item.active {
  background: #00d4ff;
  color: #0b0f1a !important;
  font-weight: 700;
}
/* NEWSLETTER */
#newsletterForm .btn {
  background: #00d4ff;
  border: none;
  color: #0b0f1a;
  font-weight: 600;
}

#newsletterForm .btn:hover {
  background: #4da3ff;
}

#newsletterMessage {
  font-size: 0.9rem;
}