/*
Theme Name: Nexus Corporate
Theme URI: https://example.com/nexus-corporate
Author: Claude
Author URI: https://claude.ai
Description: A clean, modern corporate WordPress theme with Home, About, Services, and Contact pages. Features smooth animations, professional typography, and a polished business aesthetic.
Version: 1.0.0
Requires at least: 5.8
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: nexus-corporate
Tags: business, corporate, clean, modern, responsive, custom-menu, featured-images, translation-ready
*/

/* ===== CSS RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #0A0F1E;
  --accent: #1A6BFF;
  --accent-light: #4D8EFF;
  --accent-glow: rgba(26, 107, 255, 0.15);
  --surface: #F7F8FC;
  --surface-alt: #ECEEF5;
  --white: #FFFFFF;
  --text: #0A0F1E;
  --text-muted: #5A6170;
  --border: rgba(10,15,30,0.1);
  --shadow-sm: 0 2px 8px rgba(10,15,30,0.08);
  --shadow-md: 0 8px 32px rgba(10,15,30,0.12);
  --shadow-lg: 0 24px 64px rgba(10,15,30,0.16);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-light); }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary);
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.25rem; }
p { margin-bottom: 1.2rem; color: var(--text-muted); }
p:last-child { margin-bottom: 0; }

/* ===== LAYOUT ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
}
.section { padding: clamp(4rem, 8vw, 8rem) 0; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  letter-spacing: 0.01em;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(26,107,255,0.35);
}
.btn-primary:hover {
  background: var(--accent-light);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(26,107,255,0.45);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn-white {
  background: var(--white);
  color: var(--accent);
  font-weight: 700;
}
.btn-white:hover {
  background: var(--surface);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ===== HEADER ===== */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: all var(--transition);
}
#site-header.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  padding: 0.8rem 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
  transition: color var(--transition);
}
.site-logo span { color: var(--accent); }
#site-header.scrolled .site-logo { color: var(--primary); }

/* NAV */
.main-nav ul {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  align-items: center;
}
.main-nav a {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  border-radius: 6px;
  transition: all var(--transition);
}
.main-nav a:hover, .main-nav .current-menu-item a {
  color: var(--white);
  background: rgba(255,255,255,0.12);
}
#site-header.scrolled .main-nav a { color: var(--text-muted); }
#site-header.scrolled .main-nav a:hover,
#site-header.scrolled .main-nav .current-menu-item a {
  color: var(--accent);
  background: var(--accent-glow);
}
.nav-cta .btn-primary {
  padding: 0.6rem 1.4rem;
  font-size: 0.9rem;
}

/* HAMBURGER */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}
#site-header.scrolled .menu-toggle span { background: var(--primary); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--primary);
  position: relative;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26,107,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,107,255,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}
@keyframes gridMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(60px); }
}
.hero-glow {
  position: absolute;
  top: 20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(26,107,255,0.2) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 4s ease-in-out infinite;
}
.hero-glow-2 {
  position: absolute;
  bottom: 10%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(26,107,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 6s ease-in-out infinite reverse;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.1); opacity: 1; }
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: 8rem 0 5rem;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(26,107,255,0.15);
  border: 1px solid rgba(26,107,255,0.3);
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.6s ease both;
}
.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}
.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.6s 0.1s ease both;
}
.hero h1 span { color: var(--accent); }
.hero-desc {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: rgba(255,255,255,0.65);
  max-width: 540px;
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.6s 0.2s ease both;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s 0.3s ease both;
}
.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  animation: fadeInUp 0.6s 0.4s ease both;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.04em;
  line-height: 1;
}
.stat-number span { color: var(--accent); }
.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.3rem;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== SERVICES STRIP ===== */
.services-strip {
  background: var(--surface);
  padding: 5rem 0;
}
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.section-header { margin-bottom: 3.5rem; }
.section-header p { font-size: 1.1rem; max-width: 540px; margin-top: 0.75rem; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.4rem;
  transition: all var(--transition);
}
.service-card:hover .service-icon {
  background: var(--accent);
  transform: scale(1.1);
}
.service-card h3 { margin-bottom: 0.75rem; font-size: 1.2rem; }

/* ===== WHY US ===== */
.why-us {
  padding: clamp(4rem, 8vw, 8rem) 0;
  background: var(--white);
}
.why-us-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.why-visual {
  position: relative;
}
.why-visual-card {
  background: var(--primary);
  border-radius: var(--radius-lg);
  padding: 3rem;
  color: var(--white);
  position: relative;
  overflow: hidden;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.why-visual-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(26,107,255,0.25) 0%, transparent 70%);
  border-radius: 50%;
}
.why-number {
  position: absolute;
  top: 2rem;
  right: 2rem;
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 900;
  color: rgba(255,255,255,0.06);
  line-height: 1;
}
.why-visual-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
}
.why-visual-desc {
  color: rgba(255,255,255,0.6);
  margin: 0;
  position: relative;
  z-index: 1;
}
.why-floating-badge {
  position: absolute;
  top: -1.5rem;
  right: 2rem;
  background: var(--accent);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 8px 24px rgba(26,107,255,0.4);
}
.features-list { list-style: none; }
.feature-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}
.feature-item:last-child { border-bottom: none; }
.feature-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--accent-glow);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
}
.feature-text h4 { font-size: 1rem; margin-bottom: 0.25rem; }
.feature-text p { font-size: 0.9rem; margin: 0; }

/* ===== CTA BANNER ===== */
.cta-banner {
  background: var(--primary);
  padding: clamp(4rem, 6vw, 6rem) 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26,107,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,107,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  flex-wrap: wrap;
}
.cta-text h2 { color: var(--white); margin-bottom: 0.75rem; }
.cta-text p { color: rgba(255,255,255,0.6); max-width: 480px; margin: 0; }

/* ===== ABOUT PAGE ===== */
.about-hero {
  padding: 10rem 0 5rem;
  background: var(--surface);
}
.about-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-image {
  background: var(--primary);
  border-radius: var(--radius-lg);
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  position: relative;
  overflow: hidden;
}
.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 60% 40%, rgba(26,107,255,0.25), transparent 60%);
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}
.team-card {
  text-align: center;
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  transition: all var(--transition);
}
.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.team-avatar {
  width: 80px;
  height: 80px;
  background: var(--primary);
  border-radius: 50%;
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}
.team-name { font-size: 1.1rem; margin-bottom: 0.25rem; }
.team-role { font-size: 0.85rem; color: var(--accent); font-weight: 600; margin: 0; }

/* ===== SERVICES PAGE ===== */
.services-hero {
  padding: 10rem 0 5rem;
  background: var(--primary);
  position: relative;
  overflow: hidden;
}
.services-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26,107,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,107,255,0.08) 1px, transparent 1px);
  background-size: 50px 50px;
}
.services-hero h1 { color: var(--white); position: relative; z-index: 1; }
.services-hero p { color: rgba(255,255,255,0.65); position: relative; z-index: 1; }
.services-full-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.process-steps {
  counter-reset: step;
  display: grid;
  gap: 2rem;
  margin-top: 3rem;
}
.process-step {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}
.step-num {
  counter-increment: step;
  width: 52px;
  height: 52px;
  min-width: 52px;
  background: var(--accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--white);
  font-size: 1.1rem;
}
.step-content h3 { margin-bottom: 0.5rem; }

/* ===== CONTACT PAGE ===== */
.contact-hero {
  padding: 10rem 0 5rem;
  background: var(--surface);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 4rem;
  align-items: start;
}
.contact-info-list { list-style: none; margin-top: 2rem; }
.contact-info-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  margin-bottom: 2rem;
}
.contact-info-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--accent-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.contact-info-text h4 { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.25rem; }
.contact-info-text p { font-size: 1rem; color: var(--text); margin: 0; }

/* FORM */
.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { margin-bottom: 1.5rem; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface);
  transition: all var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  background: var(--white);
  box-shadow: 0 0 0 4px var(--accent-glow);
}
.form-group textarea { resize: vertical; min-height: 140px; }

/* ===== FOOTER ===== */
#site-footer {
  background: var(--primary);
  color: rgba(255,255,255,0.65);
  padding: 5rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 2rem;
}
.footer-brand .site-logo { display: block; margin-bottom: 1rem; color: var(--white); }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; }
.footer-col h5 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.6rem; }
.footer-col a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ===== MOBILE MENU ===== */
@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: rgba(10,15,30,0.98);
    backdrop-filter: blur(20px);
    padding: 1.5rem;
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0.25rem; }
  .main-nav a { color: rgba(255,255,255,0.85) !important; }
  #site-header.scrolled .main-nav { background: rgba(255,255,255,0.98); }
  #site-header.scrolled .main-nav a { color: var(--text-muted) !important; }
  .nav-cta { display: none; }

  .hero-stats { gap: 1.5rem; flex-wrap: wrap; }
  .why-us-grid, .about-content-grid, .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-inner { text-align: center; justify-content: center; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
}

/* ===== WP ALIGNMENT CLASSES ===== */
.aligncenter { margin: 0 auto; display: block; }
.alignright { float: right; margin-left: 1.5rem; }
.alignleft { float: left; margin-right: 1.5rem; }
.wp-block-image img { border-radius: var(--radius); }

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}