/* 
  NexoraWeb Premium - Main Stylesheet
  =====================================
  Table of Contents:
  1. Fonts & Variables
  2. CSS Reset
  3. Typography
  4. Utilities (Layout, Colors, Spacing)
  5. Components (Buttons, Cards, Badges)
  6. Animations
*/

/* --- 1. Fonts & Variables --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Colors */
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-primary-light: rgba(37, 99, 235, 0.1);
  --color-secondary: #3B82F6;
  --color-accent: #60A5FA;
  --color-bg: #FFFFFF;
  --color-section-bg: #F8FAFC;
  --color-text: #0F172A;
  --color-text-light: #475569;
  --color-gray: #64748B;
  --color-gray-light: #E2E8F0;
  --color-white: #FFFFFF;
  --color-black: #000000;
  --color-border: #E2E8F0;

  /* Typography */
  --font-family-main: 'Inter', sans-serif;
  
  /* Shadows - Soft & Premium */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
  --shadow-hover: 0 20px 40px -5px rgba(37, 99, 235, 0.1);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Spacing */
  --section-padding: 6rem 0;
  --section-padding-mobile: 4rem 0;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* --- 2. CSS Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px; /* 1rem = 16px */
}

body {
  font-family: var(--font-family-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

button, input, textarea, select {
  font: inherit;
  outline: none;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

/* --- 3. Typography --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-primary { color: var(--color-primary); }
.text-white { color: var(--color-white); }
.text-gray { color: var(--color-gray); }

/* --- 4. Utilities --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--section-padding);
}

.bg-white { background-color: var(--color-bg); }
.bg-light { background-color: var(--color-section-bg); }
.bg-primary { background-color: var(--color-primary); color: var(--color-white); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }

/* Glassmorphism utility */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- 5. Components --- */
/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.39);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.23);
  color: var(--color-white);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-2px);
}

.btn-white {
  background-color: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Cards */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border: 1px solid var(--color-border);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary-light);
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem auto;
}

.section-header .badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

/* --- 6. Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }

/* Floating animation */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

.floating {
  animation: float 4s ease-in-out infinite;
}
/* =========================================
   Component Styles (Moved from inline HTML)
   ========================================= */

/* Top Bar */
.top-bar { background-color: var(--color-primary); color: white; padding: 0.5rem 0; font-size: 0.875rem; }
.top-bar a { color: rgba(255,255,255,0.8); display: flex; align-items: center; gap: 0.25rem; }
.top-bar a:hover { color: white; }

/* Header */
header { position: sticky; top: 0; width: 100%; z-index: 100; transition: all var(--transition-normal); padding: 1rem 0; background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid transparent; }
header.scrolled { padding: 0.5rem 0; background: rgba(255, 255, 255, 0.98); box-shadow: var(--shadow-sm); border-bottom-color: var(--color-border); }
.navbar { display: flex; align-items: center; justify-content: space-between; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--color-primary); display: flex; align-items: center; gap: 0.5rem; }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a { font-weight: 500; color: var(--color-text); font-size: 0.95rem; }
.nav-links a:hover { color: var(--color-primary); }

/* Dropdown */
.nav-item-dropdown { position: relative; }
.dropdown-menu { position: absolute; top: 100%; left: 0; background: white; min-width: 220px; padding: 0.5rem 0; border-radius: var(--radius-md); box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transition: all var(--transition-fast); transform: translateY(10px); border: 1px solid var(--color-border); }
.nav-item-dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a { display: block; padding: 0.75rem 1.5rem; color: var(--color-text); font-size: 0.9rem; }
.dropdown-menu a:hover { color: var(--color-primary); background: var(--color-section-bg); }

/* Page Header (Internal Pages) */
.page-header { padding: 6rem 0 4rem 0; background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%); text-align: center; }
.page-header h1 { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: 1rem; }

/* Hero */
.hero { padding: 6rem 0 6rem 0; background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -20%; right: -10%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(96,165,250,0.2) 0%, rgba(255,255,255,0) 70%); border-radius: 50%; }
.hero-content { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; position: relative; z-index: 2; }
.hero-text h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); margin-bottom: 1.5rem; line-height: 1.15; color: var(--color-text); }
.hero-text p { font-size: 1.125rem; color: var(--color-text-light); margin-bottom: 2.5rem; max-width: 90%; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-mockup { position: relative; }
.hero-mockup img { border-radius: var(--radius-xl); box-shadow: var(--shadow-xl); transform: perspective(1000px) rotateY(-10deg) rotateX(5deg); transition: transform 0.5s ease; }
.hero-mockup:hover img { transform: perspective(1000px) rotateY(-5deg) rotateX(2deg); }

/* Trust Badges */
.trust-badges { display: flex; gap: 2rem; margin-top: 3rem; flex-wrap: wrap; }
.trust-badge { display: flex; align-items: center; gap: 0.75rem; }
.trust-badge .icon { color: var(--color-primary); background: var(--color-primary-light); width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.trust-badge-text h4 { font-size: 0.875rem; margin: 0; }
.trust-badge-text p { font-size: 0.75rem; margin: 0; color: var(--color-text-light); }

/* Services */
.service-card { text-align: center; padding: 2.5rem 2rem; }
.service-card .icon-wrapper { width: 64px; height: 64px; background: var(--color-primary-light); color: var(--color-primary); border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; margin: 0 auto 1.5rem auto; transition: all var(--transition-normal); }
.service-card:hover .icon-wrapper { background: var(--color-primary); color: white; transform: scale(1.1); }
.service-card h3 { font-size: 1.25rem; margin-bottom: 1rem; }
.service-link { color: var(--color-primary); font-weight: 600; display: inline-flex; align-items: center; gap: 0.25rem; margin-top: 1rem; }
.service-link:hover { gap: 0.5rem; }

/* Process Steps */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; text-align: center; position: relative; margin-top: 4rem; }
.process-steps::before { content: ''; position: absolute; top: 40px; left: 10%; right: 10%; height: 2px; background: var(--color-gray-light); z-index: 1; }
.step { position: relative; z-index: 2; }
.step-number { width: 80px; height: 80px; background: var(--color-primary); color: white; font-size: 1.5rem; font-weight: 700; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 1.5rem auto; box-shadow: 0 0 0 10px var(--color-bg); }
.step h4 { font-size: 1.25rem; margin-bottom: 0.5rem; }

/* Portfolio Grid */
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 3rem; }
.portfolio-item { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); cursor: pointer; }
.portfolio-img img { width: 100%; height: 300px; object-fit: cover; transition: transform 0.5s ease; }
.portfolio-item:hover .portfolio-img img { transform: scale(1.05); }
.portfolio-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,23,42,0.9), rgba(15,23,42,0.1)); opacity: 0; transition: opacity 0.3s ease; display: flex; flex-direction: column; justify-content: flex-end; padding: 2rem; }
.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-overlay h4 { color: white; margin-bottom: 0.25rem; font-size: 1.25rem; transform: translateY(20px); transition: transform 0.3s ease; }
.portfolio-overlay p { color: var(--color-accent); margin: 0; transform: translateY(20px); transition: transform 0.3s ease 0.1s; }
.portfolio-item:hover .portfolio-overlay h4, .portfolio-item:hover .portfolio-overlay p { transform: translateY(0); }

/* Team Grid */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; margin-top: 3rem; }
.team-member { text-align: center; }
.team-member img { width: 150px; height: 150px; border-radius: 50%; object-fit: cover; margin: 0 auto 1rem auto; box-shadow: var(--shadow-md); border: 4px solid white; transition: transform 0.3s; }
.team-member:hover img { transform: scale(1.05); }
.team-member h4 { margin-bottom: 0.25rem; }
.team-member p { color: var(--color-primary); font-weight: 500; font-size: 0.875rem; }

/* Contact Specifics */
.contact-info-card { padding: 2rem; background: white; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.5rem; border: 1px solid var(--color-border); }
.contact-info-card .icon { width: 48px; height: 48px; background: var(--color-primary-light); color: var(--color-primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-info-card h4 { margin-bottom: 0.25rem; }
.contact-info-card p { margin: 0; color: var(--color-text-light); }

.contact-form { padding: 3rem; background: white; border-radius: var(--radius-lg); box-shadow: var(--shadow-xl); border: 1px solid var(--color-border); }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; color: var(--color-text); }
.form-control { width: 100%; padding: 0.75rem 1rem; border: 1px solid var(--color-gray-light); border-radius: var(--radius-md); font-family: inherit; transition: border-color 0.3s; }
.form-control:focus { border-color: var(--color-primary); outline: none; box-shadow: 0 0 0 3px var(--color-primary-light); }

.map-container { width: 100%; height: 400px; border-radius: var(--radius-lg); overflow: hidden; margin-top: 4rem; box-shadow: var(--shadow-md); }

/* Footer */
.footer { background-color: #0F172A; color: rgba(255,255,255,0.7); padding: 5rem 0 2rem 0; font-size: 0.875rem; }
.footer h4 { color: white; margin-bottom: 1.5rem; font-size: 1.125rem; }
.footer-links { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-links a { color: rgba(255,255,255,0.7); transition: color 0.3s; }
.footer-links a:hover { color: var(--color-primary); padding-left: 5px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 4rem; padding-top: 2rem; display: flex; justify-content: space-between; align-items: center; }
.social-icons a { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.1); color: white; transition: background 0.3s; }
.social-icons a:hover { background: var(--color-primary); }