/* ===== NEXXORA — styles.css ===== */

/* ── CSS Variables ─────────────────────────── */
:root {
  --black: #0a0a0a;
  --dark: #111316;
  --dark2: #1a1d22;
  --dark3: #22262e;
  --accent: #c8a96e;       /* warm gold */
  --accent2: #e8c98a;
  --white: #ffffff;
  --light: #f5f4f1;
  --gray: #8a8f9a;
  --gray2: #c4c8d0;
  --text: #2a2d35;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 4px;
  --radius-lg: 12px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 8px 40px rgba(0,0,0,0.12);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.18);
}

/* ── Reset & Base ───────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Typography ─────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; font-weight: 700; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}
.section-header p { color: var(--gray); margin-top: 16px; font-size: 1.05rem; }
.section-header.light h2,
.section-header.light p { color: var(--white); }
.section-header.light p { color: rgba(255,255,255,0.7); }

/* ── Buttons ────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 32px;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--black);
}
.btn-primary:hover {
  background: var(--accent2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200,169,110,0.4);
}
.btn-outline {
  border: 2px solid var(--accent);
  color: var(--accent);
}
.btn-outline:hover {
  background: var(--accent);
  color: var(--black);
  transform: translateY(-2px);
}
.btn-lg { padding: 17px 44px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ── WhatsApp Float ─────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  transition: var(--transition);
  animation: pulse-wa 2.5s infinite;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.6);
}
@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.45); }
  50% { box-shadow: 0 4px 32px rgba(37,211,102,0.7); }
}

/* ── NAVBAR ─────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 0;
  transition: var(--transition);
  background: transparent;
}
.navbar.scrolled {
  background: rgba(10,10,10,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 30px rgba(0,0,0,0.3);
}

.nav-container {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 76px;
  padding: 0 32px;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}
.logo-mark {
  width: 38px;
  height: 38px;
  background: var(--accent);
  color: var(--black);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}
.logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.12em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  flex-wrap: nowrap;
}
.nav-links > a,
.nav-dropdown-trigger {
  padding: 8px 14px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-links > a:hover,
.nav-dropdown-trigger:hover { color: var(--accent); }

.nav-cta {
  background: var(--accent) !important;
  color: var(--black) !important;
  padding: 9px 22px !important;
  border-radius: var(--radius) !important;
  margin-left: 8px;
}
.nav-cta:hover {
  background: var(--accent2) !important;
  transform: translateY(-1px);
}

.nav-dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  background: var(--dark2);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 8px 0;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
  z-index: 100;
  box-shadow: var(--shadow-lg);
}
.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu a {
  display: block;
  padding: 10px 20px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  transition: var(--transition);
}
.dropdown-menu a:hover {
  color: var(--accent);
  background: rgba(200,169,110,0.08);
  padding-left: 26px;
}
.chevron { font-size: 0.7rem; margin-left: 2px; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO SLIDER ────────────────────────────── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}
.hero-slides, .sec-slides {
  position: relative;
  width: 100%;
  height: 100%;
}
.hero-slide, .sec-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
}
.hero-slide.active, .sec-slide.active { opacity: 1; z-index: 1; }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(10,10,10,0.82) 0%,
    rgba(10,10,10,0.5) 60%,
    rgba(10,10,10,0.1) 100%
  );
}
.hero-content {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 8%;
  transform: translateY(-50%);
  max-width: 680px;
  color: var(--white);
}
.hero-content .hero-tag {
  display: block;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-content h1, .hero-content h2 { color: var(--white); margin-bottom: 20px; }
.hero-content p { font-size: 1.1rem; color: rgba(255,255,255,0.8); margin-bottom: 36px; max-width: 520px; }

.slider-btn {
  position: absolute;
  z-index: 10;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  color: var(--white);
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.2);
  transition: var(--transition);
}
.slider-btn:hover { background: var(--accent); color: var(--black); border-color: var(--accent); }
.slider-btn.prev { left: 28px; }
.slider-btn.next { right: 28px; }

.slider-dots {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 10px;
}
.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.slider-dot.active { background: var(--accent); transform: scale(1.3); }

/* ── ABOUT ──────────────────────────────────── */
.about { padding: 100px 0; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-text .section-tag { margin-bottom: 12px; }
.about-text h2 { margin-bottom: 24px; }
.about-text p { color: var(--gray); margin-bottom: 20px; font-size: 1.05rem; }
.about-text .btn { margin-top: 12px; }

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: visible;
}
.about-image img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.about-badge {
  position: absolute;
  bottom: -24px;
  left: -24px;
  background: var(--accent);
  color: var(--black);
  padding: 20px 28px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow);
}
.badge-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
}
.badge-text {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ── SERVICES ───────────────────────────────── */
.services {
  padding: 100px 0;
  background: var(--light);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.service-img {
  height: 200px;
  overflow: hidden;
}
.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.service-card:hover .service-img img { transform: scale(1.06); }
.service-icon {
  display: none;
}
.service-card h3, .service-card p, .service-link {
  padding: 0 28px;
}
.service-card h3 { margin-top: 24px; margin-bottom: 12px; color: var(--dark); }
.service-card p { color: var(--gray); font-size: 0.95rem; flex: 1; }
.service-link {
  display: block;
  margin-top: 20px;
  margin-bottom: 24px;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  transition: var(--transition);
}
.service-link:hover { color: var(--dark); letter-spacing: 0.15em; }

/* ── METHODOLOGY ────────────────────────────── */
.methodology {
  padding: 100px 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.methodology::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,169,110,0.08) 0%, transparent 70%);
}
.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.method-card {
  background: var(--dark2);
  padding: 48px 36px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.method-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transition: var(--transition);
}
.method-card:hover { background: var(--dark3); }
.method-card:hover::after { transform: scaleX(1); }
.method-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(200,169,110,0.15);
  line-height: 1;
  margin-bottom: 20px;
  transition: var(--transition);
}
.method-card:hover .method-number { color: rgba(200,169,110,0.35); }
.method-card h3 { color: var(--white); margin-bottom: 14px; font-size: 1.15rem; }
.method-card p { color: rgba(255,255,255,0.6); font-size: 0.95rem; }

/* ── SECONDARY SLIDER ───────────────────────── */
.secondary-slider {
  position: relative;
  height: 540px;
  overflow: hidden;
}
.sec-slides { height: 100%; }

/* ── CLIENTS ────────────────────────────────── */
.clients { padding: 80px 0; overflow: hidden; }
.clients-track-wrap {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}
.clients-track {
  display: flex;
  gap: 0;
  animation: scroll-clients 28s linear infinite;
  width: max-content;
}
.clients-track:hover { animation-play-state: paused; }
@keyframes scroll-clients {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.client-logo {
  flex-shrink: 0;
  width: 160px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray2);
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: 8px;
  margin: 0 8px;
  transition: var(--transition);
}
.client-logo:hover { color: var(--text); border-color: var(--accent); }

/* ── CTA BAND ───────────────────────────────── */
.cta-band {
  padding: 80px 0;
  background: var(--black);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(200,169,110,0.07) 0%, transparent 60%);
}
.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  position: relative;
}
.cta-text h2 { color: var(--white); }
.cta-text p { color: rgba(255,255,255,0.6); margin-top: 14px; max-width: 560px; }

/* ── CONTACT ────────────────────────────────── */
.contact { padding: 100px 0; background: var(--light); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}
.contact-info .section-tag { margin-bottom: 12px; }
.contact-info h2 { margin-bottom: 16px; }
.contact-info > p { color: var(--gray); margin-bottom: 40px; font-size: 1.05rem; }

.contact-details { display: flex; flex-direction: column; gap: 24px; }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--black);
  flex-shrink: 0;
}
.contact-icon svg { width: 20px; height: 20px; }
.contact-item .contact-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray);
  margin-bottom: 4px;
}
.contact-item a {
  font-weight: 500;
  color: var(--dark);
  transition: var(--transition);
}
.contact-item a:hover { color: var(--accent); }

/* Contact Form */
.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow);
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 13px 16px;
  border: 1.5px solid #e0e2e8;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--white);
  transition: var(--transition);
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(200,169,110,0.15);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.form-success {
  display: none;
  background: #d4edda;
  color: #155724;
  padding: 14px 20px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
}
.form-success.show { display: block; }

/* ── FOOTER ─────────────────────────────────── */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.75);
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo { margin-bottom: 20px; }
.footer-logo .logo-text { color: var(--white); }
.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 300px;
  margin-bottom: 28px;
  color: rgba(255,255,255,0.55);
}
.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}
.social-links a:hover {
  background: var(--accent);
  color: var(--black);
  border-color: var(--accent);
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
}
.footer-col a:hover { color: var(--accent); padding-left: 4px; }

.footer-bottom {
  padding: 22px 0;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

/* ── ANIMATIONS ─────────────────────────────── */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}
[data-animate]:nth-child(2) { transition-delay: 0.1s; }
[data-animate]:nth-child(3) { transition-delay: 0.2s; }
[data-animate]:nth-child(4) { transition-delay: 0.3s; }
[data-animate]:nth-child(5) { transition-delay: 0.4s; }
[data-animate]:nth-child(6) { transition-delay: 0.5s; }

/* ── RESPONSIVE ─────────────────────────────── */
@media (max-width: 1100px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-image img { height: 360px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .cta-band-inner { flex-direction: column; text-align: center; }
  .cta-text p { margin: 14px auto 0; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10,10,10,0.98);
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 24px;
    gap: 4px;
    overflow-y: auto;
    z-index: 800;
  }
  .nav-links.open { display: flex; }
  .nav-links > a,
  .nav-dropdown-trigger {
    font-size: 1rem;
    padding: 12px 16px;
    width: 100%;
  }
  .nav-dropdown { width: 100%; }
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: rgba(255,255,255,0.05);
    border: none;
    border-radius: var(--radius);
    margin-top: 4px;
    padding: 4px 0;
    box-shadow: none;
    display: none;
  }
  .nav-dropdown.open .dropdown-menu { display: block; }
  .nav-cta { margin-left: 0 !important; width: 100%; text-align: center; }
  .burger { display: flex; }

  .hero-content { left: 24px; right: 24px; max-width: 100%; }
  .hero-content h1, .hero-content h2 { font-size: clamp(1.8rem, 6vw, 2.8rem); }

  .services-grid { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom-inner { flex-direction: column; gap: 8px; text-align: center; }

  .contact-form-wrap { padding: 28px; }
  .form-row { grid-template-columns: 1fr; }

  .secondary-slider { height: 420px; }
  .about-badge { bottom: -16px; left: 16px; }
}

@media (max-width: 480px) {
  .btn-lg { padding: 15px 28px; font-size: 0.9rem; }
  .hero { height: 100svh; }
  .slider-btn { width: 40px; height: 40px; font-size: 1.2rem; }
  .slider-btn.prev { left: 12px; }
  .slider-btn.next { right: 12px; }
}