/* 
=============================================================================
Maxevia Technologies - Base Styles
============================================================================= 
*/

:root {
  /* Colors */
  --color-primary: #050a1f;        /* Deep Navy */
  --color-primary-light: #0a1332;  /* Lighter Navy */
  --color-primary-dark: #020510;   /* Darkest Navy */
  
  --color-secondary: #1243a3;      /* Professional Blue */
  --color-secondary-light: #1b5ce0;
  
  --color-accent: #00d2ff;         /* Restrained Cyan/Teal */
  --color-accent-dark: #0099cc;
  
  --color-text: #334155;           /* Slate 700 */
  --color-text-light: #64748b;     /* Slate 500 */
  --color-text-inverse: #f8fafc;   /* Slate 50 */
  
  --color-bg: #ffffff;
  --color-bg-alt: #f1f5f9;         /* Slate 100 */
  --color-bg-dark: var(--color-primary);
  
  --color-border: #e2e8f0;         /* Slate 200 */
  --color-border-dark: #1e293b;
  
  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --font-size-base: 16px;
  
  /* Layout */
  --container-width: 1200px;
  --section-padding: 5rem 0;
  
  /* Utilities */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --transition: all 0.3s ease;
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

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

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

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

a:hover {
  color: var(--color-secondary-light);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

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

h1 {
  font-size: 3rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.25rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1.5rem;
}

.text-accent { color: var(--color-accent); }
.text-inverse { color: var(--color-text-inverse); }
.text-light { color: var(--color-text-light); }

.bg-dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
}
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 {
  color: var(--color-text-inverse);
}

.bg-alt {
  background-color: var(--color-bg-alt);
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--color-secondary);
  color: var(--color-text-inverse);
}
.btn-primary:hover, .btn-primary:focus {
  background-color: var(--color-secondary-light);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-primary);
}
.btn-accent:hover, .btn-accent:focus {
  background-color: var(--color-accent-dark);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-text-inverse);
  border: 2px solid var(--color-accent);
}
.btn-outline:hover, .btn-outline:focus {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  width: 100%;
  background-color: var(--color-bg);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-container {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 48px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--color-secondary);
}

.nav-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--color-primary);
  background: none;
  border: none;
  padding: 0.5rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 6rem 0;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  color: var(--color-text-inverse);
  font-size: 3.5rem;
  margin-bottom: 0.5rem;
}

.hero-subtitle {
  color: var(--color-accent);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-desc {
  color: #94a3b8;
  font-size: 1.125rem;
  margin-bottom: 2.5rem;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

.hero-visual {
  position: relative;
}

/* ==========================================================================
   Cards & Grids
   ========================================================================== */
.grid {
  display: grid;
  gap: 2rem;
}

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

.card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  height: 100%;
}

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

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
  color: var(--color-secondary);
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.card p {
  color: var(--color-text-light);
  margin-bottom: 0;
}

.bg-dark .card {
  background: var(--color-primary-light);
  border-color: var(--color-border-dark);
}
.bg-dark .card p {
  color: #94a3b8;
}

/* ==========================================================================
   Trust & Quality Sections
   ========================================================================== */
.trust-section {
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--color-text-light);
}

/* Process Timeline */
.process-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
}

.process-list::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 24px;
  width: 2px;
  background-color: var(--color-border);
}

.process-item {
  display: flex;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.process-number {
  width: 50px;
  height: 50px;
  background-color: var(--color-primary);
  color: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-item {
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1rem;
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1rem 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  transition: var(--transition);
}

.faq-item.active .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-answer p {
  padding-bottom: 1.5rem;
  color: var(--color-text-light);
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.form-control {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
  background-color: var(--color-bg-alt);
  color: var(--color-text);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.form-control::placeholder {
  color: #94a3b8;
}

.form-control:hover {
  background-color: var(--color-bg);
  border-color: var(--color-border);
}

.form-control:focus {
  outline: none;
  background-color: var(--color-bg);
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(0, 210, 255, 0.15), inset 0 0 0 2px rgba(0, 210, 255, 0.1);
}

.form-control.invalid {
  border-color: var(--color-danger);
  background-color: #fff1f2;
}

.form-error {
  color: #ef4444;
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: none;
}

.form-success-msg {
  background-color: #dcfce7;
  color: #166534;
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  display: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand h3 {
  color: var(--color-text-inverse);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.footer-brand p {
  color: #94a3b8;
  margin-bottom: 0.25rem;
}

.footer-brand .quality-tag {
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-links h4 {
  font-size: 1.125rem;
  color: var(--color-text-inverse);
  margin-bottom: 1.5rem;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: #94a3b8;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid var(--color-border-dark);
  padding-top: 2rem;
  text-align: center;
  color: #94a3b8;
  font-size: 0.875rem;
}