/*
Theme Name: Purus Capital Child
Theme URI: https://www.puruscapital.com
Description: Custom child theme for Purus Capital - AI-enhanced investment platform
Author: Cynthia Systems Ltd
Author URI: https://cynthiasystems.com
Template: Divi
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: purus-child
*/

/* =========================================
   CSS CUSTOM PROPERTIES - DESIGN SYSTEM
   ========================================= */

:root {
  /* Brand Colors */
  --color-primary: #3A9E7F;        /* Purus Green */
  --color-primary-dark: #2D7D65;
  --color-primary-light: #5BC29D;
  --color-secondary: #4A9FD8;      /* Water Blue */
  --color-secondary-dark: #3B7FAD;
  --color-accent: #F7A800;         /* Energy Gold */

  /* Neutrals */
  --color-dark: #1A1A1A;
  --color-gray-900: #2D2D2D;
  --color-gray-700: #4A4A4A;
  --color-gray-500: #8A8A8A;
  --color-gray-300: #D1D1D1;
  --color-gray-100: #F5F5F5;
  --color-white: #FFFFFF;

  /* Semantic Colors */
  --color-success: #4CAF50;
  --color-warning: #FF9800;
  --color-error: #F44336;
  --color-info: #2196F3;

  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;

  /* Font Sizes - Fluid Typography */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --text-3xl: clamp(1.875rem, 1.5rem + 1.5vw, 2.5rem);
  --text-4xl: clamp(2.25rem, 1.75rem + 2vw, 3rem);
  --text-5xl: clamp(3rem, 2.25rem + 3vw, 4rem);

  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;

  /* Container Width */
  --container-max: 1200px;
  --container-wide: 1400px;
}

/* =========================================
   GLOBAL RESETS & IMPROVEMENTS
   ========================================= */

* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  color: var(--color-dark);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-md);
}

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

a:hover {
  color: var(--color-primary-dark);
}

/* =========================================
   HEADER & NAVIGATION ENHANCEMENTS
   ========================================= */

#main-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

#main-header.et-fixed-header {
  box-shadow: var(--shadow-md);
}

.et_pb_menu__logo img {
  transition: transform var(--transition-base);
}

.et_pb_menu__logo:hover img {
  transform: scale(1.05);
}

#top-menu li a {
  font-weight: 600;
  letter-spacing: 0.5px;
  position: relative;
}

#top-menu li a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

#top-menu li a:hover::after,
#top-menu li.current-menu-item a::after {
  width: 80%;
}

/* =========================================
   BUTTON STYLES
   ========================================= */

.et_pb_button,
.purus-button {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border: none;
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-lg);
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.et_pb_button::before,
.purus-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left var(--transition-slow);
}

.et_pb_button:hover::before,
.purus-button:hover::before {
  left: 100%;
}

.et_pb_button:hover,
.purus-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.et_pb_button.secondary,
.purus-button.secondary {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
}

.et_pb_button.outline,
.purus-button.outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  box-shadow: none;
}

.et_pb_button.outline:hover,
.purus-button.outline:hover {
  background: var(--color-primary);
  color: white;
}

/* =========================================
   HERO SECTION
   ========================================= */

.purus-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  background: url('http://www.puruscapital.com/wp-content/uploads/2020/09/drop-of-water-3671613_1920.jpg') center center / cover no-repeat;
  overflow: hidden;
}

.purus-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 26, 26, 0.7);
  animation: heroGradient 20s ease infinite;
}

@keyframes heroGradient {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

.purus-hero__content {
  position: relative;
  z-index: 2;
  color: white;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg);
}

.purus-hero__title {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.8s ease-out;
}

.purus-hero__subtitle {
  font-size: var(--text-xl);
  margin-bottom: var(--space-xl);
  opacity: 0.95;
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.purus-hero__cta {
  animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========================================
   INVESTMENT OPPORTUNITY CARDS
   ========================================= */

.purus-opportunities {
  padding: var(--space-3xl) 0;
}

.purus-opportunities__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.purus-opportunity-card {
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  cursor: pointer;
}

.purus-opportunity-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.purus-opportunity-card__image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.purus-opportunity-card:hover .purus-opportunity-card__image {
  transform: scale(1.05);
}

.purus-opportunity-card__content {
  padding: var(--space-lg);
}

.purus-opportunity-card__sector {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-primary-light);
  color: white;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-sm);
}

.purus-opportunity-card__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
  color: var(--color-dark);
}

.purus-opportunity-card__description {
  color: var(--color-gray-700);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.purus-opportunity-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-gray-300);
}

.purus-opportunity-card__stat {
  text-align: center;
}

.purus-opportunity-card__stat-label {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.purus-opportunity-card__stat-value {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
}

/* =========================================
   TEAM SECTION
   ========================================= */

.purus-team {
  background: var(--color-gray-100);
  padding: var(--space-3xl) 0;
}

.purus-team__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.purus-team-member {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  text-align: center;
}

.purus-team-member:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.purus-team-member__photo {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.purus-team-member__content {
  padding: var(--space-lg);
}

.purus-team-member__name {
  font-size: var(--text-xl);
  margin-bottom: var(--space-xs);
  color: var(--color-dark);
}

.purus-team-member__title {
  font-size: var(--text-base);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.purus-team-member__bio {
  color: var(--color-gray-700);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.purus-team-member__linkedin {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-secondary);
  font-weight: 600;
  transition: color var(--transition-base);
}

.purus-team-member__linkedin:hover {
  color: var(--color-secondary-dark);
}

/* =========================================
   STATS SECTION
   ========================================= */

.purus-stats {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: white;
  padding: var(--space-3xl) var(--space-lg);
}

.purus-stats__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  max-width: var(--container-max);
  margin: 0 auto;
  text-align: center;
}

.purus-stat__number {
  font-size: var(--text-5xl);
  font-weight: 700;
  margin-bottom: var(--space-xs);
  display: block;
}

.purus-stat__label {
  font-size: var(--text-lg);
  opacity: 0.9;
}

/* =========================================
   MODAL/LIGHTBOX
   ========================================= */

.purus-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 999999;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  animation: fadeIn var(--transition-base);
}

.purus-modal.active {
  display: flex;
}

.purus-modal__content {
  background: white;
  border-radius: var(--radius-xl);
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: scaleIn var(--transition-base);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.purus-modal__close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 40px;
  height: 40px;
  background: white;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  color: var(--color-gray-700);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  z-index: 10;
}

.purus-modal__close:hover {
  background: var(--color-gray-100);
  transform: rotate(90deg);
}

.purus-modal__body {
  padding: var(--space-2xl);
}

/* =========================================
   RESPONSIVE UTILITIES
   ========================================= */

@media (max-width: 980px) {
  .purus-hero {
    min-height: 60vh;
  }

  .purus-opportunities__grid,
  .purus-team__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

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

@media (max-width: 768px) {
  :root {
    --space-3xl: 3rem;
    --space-2xl: 2rem;
  }

  .purus-hero__content {
    padding: var(--space-2xl) var(--space-md);
  }

  .purus-stats__grid {
    grid-template-columns: 1fr;
  }
}

/* =========================================
   UTILITY CLASSES
   ========================================= */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-padding {
  padding: var(--space-3xl) 0;
}

.text-center {
  text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }