/* =====================
   RESET & BASE
===================== */
*, *::before, *::after {
  margin: 0; padding: 0;
  box-sizing: border-box;
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Poppins', sans-serif;
  color: #222;
  background: #fff;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

:root {
  --orange: #e87722;
  --dark:   #0a1628;
  --dark2:  #0f1f3d;
  --light:  #f5f7fb;
  --text:   #556;
}

/* =====================
   PRELOADER
===================== */
#preloader {
  position: fixed; inset: 0;
  background: var(--dark);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s, visibility 0.5s;
}
#preloader.hide { opacity: 0; visibility: hidden; }
.preloader-inner { text-align: center; }
.logo-nd-big {
  font-size: 3rem; font-weight: 800;
  background: linear-gradient(135deg, var(--orange), #f5a623);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 20px;
}
.preloader-bar {
  width: 200px; height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 10px; overflow: hidden;
  margin: 0 auto;
}
.preloader-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--orange), #f5a623);
  border-radius: 10px;
  animation: load 1.5s ease forwards;
}
@keyframes load { from { width: 0; } to { width: 100%; } }

/* =====================
   HEADER
===================== */
header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  padding: 16px 0;
  transition: background 0.3s, padding 0.3s, box-shadow 0.3s;
}
header.scrolled {
  background: var(--dark);
  padding: 10px 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.nav-bar {
  display: flex; align-items: center;
  justify-content: space-between; gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
}
.footer-logo {
  height: 60px;
}

nav ul { display: flex; gap: 32px; }
.nav-link {
  color: rgba(255,255,255,0.8); font-size: 0.9rem;
  font-weight: 500; position: relative; padding-bottom: 4px;
  transition: color 0.2s;
}
.nav-link::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px; background: var(--orange);
  transition: width 0.3s;
}
.nav-link:hover, .nav-link.active { color: #fff; }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.header-cta {
  background: var(--orange); color: #fff;
  padding: 8px 20px; border-radius: 50px;
  font-size: 0.85rem; font-weight: 600;
  display: flex; align-items: center; gap: 6px;
  transition: background 0.2s, transform 0.2s;
  white-space: nowrap;
}
.header-cta:hover { background: #cf6410; transform: translateY(-1px); }

.hamburger {
  display: none; flex-direction: column;
  gap: 5px; cursor: pointer;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: #fff; border-radius: 2px;
  transition: 0.3s;
}

/* =====================
   BUTTONS
===================== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 50px;
  font-weight: 600; font-size: 0.9rem;
  border: 2px solid transparent;
  cursor: pointer; transition: all 0.25s;
  font-family: 'Poppins', sans-serif;
}
.btn-primary {
  background: var(--orange); color: #fff;
  border-color: var(--orange);
  box-shadow: 0 6px 20px rgba(232,119,34,0.35);
}
.btn-primary:hover {
  background: #cf6410; border-color: #cf6410;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(232,119,34,0.45);
}
.btn-ghost {
  background: rgba(255,255,255,0.1);
  color: #fff; border-color: rgba(255,255,255,0.3);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.2); transform: translateY(-2px);
}
.btn-white {
  background: #fff; color: var(--dark);
  border-color: #fff;
}
.btn-white:hover { background: #f0f0f0; transform: translateY(-2px); }
.btn-outline-white {
  background: transparent; color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.1); transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; }

/* =====================
   HERO
===================== */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #060e1f 0%, #0a1628 50%, #0f2040 100%);
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 120px 20px 80px;
}
.hero-bg-circles { position: absolute; inset: 0; pointer-events: none; }
.circle {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle, rgba(232,119,34,0.12), transparent 70%);
}
.c1 { width: 600px; height: 600px; top: -200px; right: -150px; animation: pulse 6s ease-in-out infinite; }
.c2 { width: 400px; height: 400px; bottom: -100px; left: -100px; animation: pulse 8s ease-in-out infinite reverse; }
.c3 { width: 300px; height: 300px; top: 40%; left: 30%; animation: pulse 5s ease-in-out infinite 2s; }
@keyframes pulse {
  0%,100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 1; }
}

/* Particles */
#particles { position: absolute; inset: 0; pointer-events: none; }
.particle {
  position: absolute; border-radius: 50%;
  background: rgba(232,119,34,0.4);
  animation: float-particle linear infinite;
}
@keyframes float-particle {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

.hero-content {
  position: relative; z-index: 2;
  max-width: 750px; margin: 0 auto;
  text-align: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(232,119,34,0.15);
  border: 1px solid rgba(232,119,34,0.3);
  color: #f5a623; padding: 6px 18px; border-radius: 50px;
  font-size: 0.8rem; font-weight: 500; margin-bottom: 24px;
}
.hero h1 {
  font-size: 3.2rem; font-weight: 800; color: #fff;
  line-height: 1.15; margin-bottom: 20px; min-height: 80px;
}
.cursor {
  display: inline-block; color: var(--orange);
  animation: blink 0.7s infinite;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

.hero-sub {
  font-size: 1.1rem; color: rgba(255,255,255,0.65);
  margin-bottom: 36px; max-width: 550px; margin-left: auto; margin-right: auto;
}
.hero-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 36px; }
.hero-tags { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.hero-tags span {
  color: rgba(255,255,255,0.6); font-size: 0.82rem;
  display: flex; align-items: center; gap: 6px;
}
.hero-tags span i { color: var(--orange); }

.hero-scroll {
  position: absolute; bottom: 30px; left: 50%;
  transform: translateX(-50%);
}
.hero-scroll a {
  color: rgba(255,255,255,0.4); font-size: 1.2rem;
  animation: bounce 2s infinite;
  display: block;
}
@keyframes bounce {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* =====================
   STATS
===================== */
.stats {
  background: var(--dark);
  padding: 60px 20px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-card {
  text-align: center; padding: 40px 20px;
  border-right: 1px solid rgba(255,255,255,0.08);
  position: relative;
}
.stat-card:last-child { border-right: none; }
.stat-card i {
  font-size: 2rem; color: var(--orange); margin-bottom: 12px;
  display: block;
}
.stat-card h3 {
  font-size: 1.6rem; font-weight: 800; color: #fff;
  display: block; line-height: 1.2; margin-bottom: 4px;
}
.stat-card > span { display: none; }
.stat-card p { color: rgba(255,255,255,0.5); font-size: 0.85rem; margin-top: 6px; }

/* =====================
   SECTION COMMON
===================== */
.section-header {
  text-align: center; margin-bottom: 56px;
}
.section-badge {
  display: inline-block;
  background: rgba(232,119,34,0.1);
  color: var(--orange); padding: 5px 16px;
  border-radius: 50px; font-size: 0.78rem;
  font-weight: 600; letter-spacing: 1px;
  text-transform: uppercase; margin-bottom: 12px;
  border: 1px solid rgba(232,119,34,0.2);
}
.section-header h2 {
  font-size: 2.2rem; font-weight: 800; color: var(--dark);
  margin-bottom: 12px;
}
.section-header h2::after {
  content: ''; display: block; width: 50px; height: 4px;
  background: var(--orange); margin: 12px auto 0; border-radius: 2px;
}
.section-header p { color: var(--text); font-size: 0.95rem; max-width: 500px; margin: 0 auto; }

/* =====================
   SERVICES
===================== */
.services { padding: 90px 20px; background: var(--light); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.service-card {
  background: #fff; border-radius: 16px;
  padding: 32px 28px; position: relative; overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.12);
}
.service-icon {
  width: 60px; height: 60px; border-radius: 14px;
  background: color-mix(in srgb, var(--clr) 12%, transparent);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.service-icon i { font-size: 1.6rem; color: var(--clr); }
.service-card h3 {
  font-size: 1rem; font-weight: 700; color: var(--dark);
  margin-bottom: 14px;
}
.service-card ul li {
  font-size: 0.83rem; color: var(--text);
  padding: 4px 0 4px 16px; position: relative;
}
.service-card ul li::before {
  content: '›'; position: absolute; left: 0;
  color: var(--clr, var(--orange)); font-weight: 700; font-size: 1rem;
}
.card-hover-line {
  position: absolute; bottom: 0; left: 0;
  width: 0; height: 3px;
  background: linear-gradient(90deg, var(--orange), #f5a623);
  transition: width 0.4s;
}
.service-card:hover .card-hover-line { width: 100%; }

/* =====================
   WHY US
===================== */
.why-us { padding: 90px 20px; background: var(--dark2); }
.why-us .section-header h2 { color: #fff; }
.why-us .section-header p { color: rgba(255,255,255,0.5); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.why-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px; padding: 28px 22px;
  text-align: center;
  transition: background 0.3s, transform 0.3s, border-color 0.3s;
}
.why-card:hover {
  background: rgba(232,119,34,0.1);
  border-color: rgba(232,119,34,0.3);
  transform: translateY(-4px);
}
.why-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: rgba(232,119,34,0.15);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.why-icon i { font-size: 1.4rem; color: var(--orange); }
.why-card h4 { color: #fff; font-size: 0.95rem; margin-bottom: 8px; }
.why-card p { color: rgba(255,255,255,0.45); font-size: 0.82rem; line-height: 1.6; }

/* =====================
   CTA BANNER
===================== */
.cta-banner {
  background: linear-gradient(135deg, var(--orange) 0%, #cf6410 100%);
  padding: 70px 20px;
}
.cta-content {
  display: flex; align-items: center;
  justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.cta-content h2 { font-size: 1.8rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.cta-content p { color: rgba(255,255,255,0.8); font-size: 0.95rem; }
.cta-btns { display: flex; gap: 14px; flex-wrap: wrap; flex-shrink: 0; }

/* =====================
   CONTACT
===================== */
.contact { padding: 90px 20px; background: var(--light); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.6fr;
  gap: 48px; align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex; align-items: flex-start; gap: 14px;
  background: #fff; padding: 18px 20px; border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
  transition: transform 0.2s;
}
.contact-item:hover { transform: translateX(4px); }
.contact-icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: rgba(232,119,34,0.1);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-icon i { color: var(--orange); font-size: 1rem; }
.contact-item div { display: flex; flex-direction: column; }
.contact-item strong {
  font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.5px; color: #999; margin-bottom: 2px;
}
.contact-item a, .contact-item span {
  font-size: 0.9rem; color: var(--dark); font-weight: 500;
}
.contact-item a:hover { color: var(--orange); }

.contact-values {
  display: flex; flex-wrap: wrap; gap: 10px; padding-top: 4px;
}
.contact-values span {
  background: #fff; padding: 6px 14px; border-radius: 50px;
  font-size: 0.78rem; color: var(--text);
  border: 1px solid #eee;
  display: flex; align-items: center; gap: 6px;
}
.contact-values span i { color: var(--orange); }

.contact-form {
  background: #fff; padding: 36px;
  border-radius: 20px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.08);
  display: flex; flex-direction: column; gap: 18px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.8rem; font-weight: 600; color: #444; }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid #e8e8e8;
  border-radius: 10px;
  font-family: 'Poppins', sans-serif;
  font-size: 0.88rem; color: #222;
  outline: none; transition: border-color 0.2s, box-shadow 0.2s;
  background: #fafafa;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(232,119,34,0.1);
  background: #fff;
}

/* =====================
   FOOTER
===================== */
footer { background: #06101f; color: rgba(255,255,255,0.6); }
.footer-inner { padding: 60px 20px 0; }
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px; padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand p {
  font-size: 0.85rem; line-height: 1.7;
  color: rgba(255,255,255,0.45);
  margin-top: 16px; max-width: 280px;
}
.footer-links h4, .footer-services h4, .footer-contact h4 {
  color: #fff; font-size: 0.9rem; font-weight: 700;
  margin-bottom: 18px;
}
.footer-links ul li, .footer-services ul li {
  margin-bottom: 10px;
}
.footer-links ul li a {
  font-size: 0.85rem; color: rgba(255,255,255,0.45);
  transition: color 0.2s;
}
.footer-links ul li a:hover { color: var(--orange); }
.footer-services ul li { font-size: 0.85rem; color: rgba(255,255,255,0.45); }
.footer-contact p {
  font-size: 0.82rem; margin-bottom: 10px;
  display: flex; align-items: flex-start; gap: 8px;
}
.footer-contact p i { color: var(--orange); margin-top: 3px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 0; flex-wrap: wrap; gap: 10px;
}
.footer-bottom p { font-size: 0.82rem; }

/* =====================
   WHATSAPP BUTTON
===================== */
.whatsapp-btn {
  position: fixed; bottom: 90px; right: 24px;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25d366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(37,211,102,0.4);
  z-index: 999; font-size: 1.6rem; color: #fff;
  transition: transform 0.3s, box-shadow 0.3s;
  animation: wa-pulse 2s ease-in-out infinite;
}
.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 10px 28px rgba(37,211,102,0.5);
}
@keyframes wa-pulse {
  0%,100% { box-shadow: 0 6px 20px rgba(37,211,102,0.4), 0 0 0 0 rgba(37,211,102,0.4); }
  50% { box-shadow: 0 6px 20px rgba(37,211,102,0.4), 0 0 0 12px rgba(37,211,102,0); }
}
.wa-tooltip {
  position: absolute; right: 68px;
  background: #222; color: #fff;
  padding: 6px 12px; border-radius: 8px;
  font-size: 0.78rem; white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s;
}
.whatsapp-btn:hover .wa-tooltip { opacity: 1; }

/* =====================
   BACK TO TOP
===================== */
.back-to-top {
  position: fixed; bottom: 24px; right: 24px;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--orange); color: #fff; border: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 0.9rem;
  box-shadow: 0 4px 14px rgba(232,119,34,0.35);
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.3s, transform 0.3s;
  z-index: 999;
}
.back-to-top.show { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: #cf6410; }

/* =====================
   AOS ANIMATIONS
===================== */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-aos].animated {
  opacity: 1;
  transform: translateY(0);
}

/* =====================
   RESPONSIVE
===================== */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-card:nth-child(2) { border-right: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--dark); padding: 16px; }
  nav.open { display: block; }
  nav ul { flex-direction: column; gap: 12px; }
  .hamburger { display: flex; }
  .header-cta { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-content { flex-direction: column; text-align: center; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.6rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-card { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .contact-form { padding: 24px 18px; }
}