/* 
========================================================================
   SAMASTHA CENTENARY WEBSITE & PAYMENT PORTAL - MASTER STYLESHEET
========================================================================
*/

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

:root {
  /* Colors */
  --primary-raw: 158, 62%, 8%;
  --primary: hsl(158, 62%, 9%);
  --primary-mid: hsl(160, 52%, 16%);
  --primary-light: hsl(162, 45%, 24%);
  --primary-soft: hsl(158, 30%, 96%);
  
  --accent-raw: 43, 75%, 46%;
  --accent: hsl(43, 75%, 48%);
  --accent-light: hsl(43, 85%, 58%);
  --accent-dark: hsl(43, 80%, 35%);
  
  --bg-light: hsl(30, 15%, 98%);
  --bg-card: hsl(0, 0%, 100%);
  --text-main: hsl(158, 50%, 12%);
  --text-muted: hsl(158, 15%, 42%);
  --border: hsl(158, 20%, 90%);
  
  --shadow-sm: 0 2px 8px rgba(6, 78, 59, 0.04);
  --shadow-md: 0 10px 30px rgba(6, 78, 59, 0.08);
  --shadow-lg: 0 20px 50px rgba(6, 78, 59, 0.15);
  
  /* Fonts */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Layout */
  --max-width: 1200px;
  --header-height: 85px;
  
  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

/* Base Styles & Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-light);
}
::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Typography & Layout Helpers */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
}

.section-padding {
  padding: 6.5rem 0;
}

.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 2px solid transparent;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--primary-mid);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(6, 78, 59, 0.2);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: var(--primary);
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(217, 119, 6, 0.15);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(217, 119, 6, 0.3);
}

.btn-outline {
  background-color: transparent;
  border-color: rgba(6, 78, 59, 0.2);
  color: var(--primary);
}

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

.btn-outline-white {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
}

.btn-outline-white:hover {
  background-color: #ffffff;
  border-color: #ffffff;
  color: var(--primary);
  transform: translateY(-2px);
}

/* Header & Navigation */
header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 100;
  transition: var(--transition-smooth);
}

header.sticky {
  position: fixed;
  height: 75px;
  background-color: rgba(6, 78, 59, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  flex-direction: column;
}

.logo-samastha {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2.2rem;
  line-height: 1;
  color: var(--accent-light);
  letter-spacing: -0.5px;
}

header.sticky .logo-samastha {
  font-size: 2rem;
  color: var(--accent-light);
}

.logo-subtitle {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.5rem;
  letter-spacing: 2px;
  color: #ffffff;
  margin-top: 2px;
}

nav {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: #ffffff;
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-light);
  transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover {
  color: var(--accent-light);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.8rem;
  cursor: pointer;
}

/* Mobile Nav Overlay */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background-color: var(--primary);
  z-index: 1000;
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  transition: var(--transition-smooth);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
}

.mobile-nav.active {
  right: 0;
}

.mobile-nav .close-btn {
  align-self: flex-end;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 2rem;
  cursor: pointer;
}

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

.mobile-nav-links a {
  color: #ffffff;
  font-size: 1.2rem;
  font-weight: 600;
}

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

.mobile-nav-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-fast);
}

.mobile-nav-backdrop.active {
  opacity: 1;
  pointer-events: all;
}

/* Hero Section */
.hero {
  height: 100vh;
  min-height: 700px;
  background: linear-gradient(rgba(4, 50, 38, 0.92), rgba(6, 78, 59, 0.88)), url('../images/hero_bg.png') center/cover no-repeat;
  display: flex;
  align-items: center;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 150px;
  background: linear-gradient(to top, var(--bg-light) 0%, transparent 100%);
  pointer-events: none;
}

.hero-content {
  max-width: 750px;
  z-index: 2;
}

.centenary-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(217, 119, 6, 0.12);
  border: 1px solid rgba(217, 119, 6, 0.3);
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-light);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 4rem;
  margin-top: 1.5rem;
  letter-spacing: -1px;
}

.hero h1 span {
  color: var(--accent-light);
}

.hero-desc {
  font-size: 1.15rem;
  opacity: 0.9;
  margin: 1.5rem 0 2.5rem 0;
  max-width: 620px;
}

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

/* Page Header (Subpages) */
.page-header {
  padding: 10rem 0 5rem 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-mid) 100%);
  color: #ffffff;
  position: relative;
  text-align: center;
  overflow: hidden;
}

.page-header::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('../images/pattern.svg') repeat;
  opacity: 0.05;
  pointer-events: none;
}

.page-header h1 {
  font-size: 3.2rem;
  margin-bottom: 1rem;
}

.breadcrumbs {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  opacity: 0.8;
}

.breadcrumbs a:hover {
  color: var(--accent-light);
}

/* Section Header */
.section-header {
  max-width: 600px;
  margin: 0 auto 4.5rem auto;
  text-align: center;
}

.section-subtitle {
  color: var(--accent);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
  display: block;
}

.section-title {
  font-size: 2.6rem;
  color: var(--primary);
  margin-top: 0.5rem;
}

/* Grid Layouts & Cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.2rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  align-items: center;
}

/* Cards style */
.card {
  background-color: var(--bg-card);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(6, 78, 59, 0.15);
}

.card-icon {
  width: 60px;
  height: 60px;
  background-color: var(--primary-soft);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
  transition: var(--transition-smooth);
}

.card:hover .card-icon {
  background-color: var(--primary);
  color: #ffffff;
}

.card-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  color: var(--primary);
}

.card-text {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* About / History Section */
.about-preview-image {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-preview-image img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.about-preview-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6, 78, 59, 0.3) 0%, transparent 100%);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin: 2rem 0;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.feature-item svg {
  color: var(--accent);
  shrink: 0;
  margin-top: 3px;
}

.feature-item span {
  font-weight: 500;
  font-size: 1rem;
}

/* Stats Counter Section */
.stats-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-mid) 100%);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/pattern.svg') repeat;
  opacity: 0.04;
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.5rem;
}

.stat-card {
  text-align: center;
  position: relative;
  padding: 1rem 0;
}

.stat-card:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -10px;
  top: 20%;
  height: 60%;
  width: 1px;
  background-color: rgba(255, 255, 255, 0.15);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 0.5rem;
  opacity: 0.85;
}

/* Leadership Section */
.leaders-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.leader-card {
  background-color: var(--bg-card);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition-smooth);
}

.leader-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(217, 119, 6, 0.2);
}

.leader-image {
  height: 360px;
  overflow: hidden;
  position: relative;
  background-color: var(--primary-soft);
}

.leader-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.leader-card:hover .leader-image img {
  transform: scale(1.06);
}

.leader-info {
  padding: 2rem;
  text-align: center;
  position: relative;
}

.leader-info::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background-color: var(--accent);
}

.leader-name {
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.leader-role {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* Committee Page (Full Board Grid) */
.committee-section {
  padding: 5rem 0;
}

.committee-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.committee-card {
  background-color: var(--bg-card);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.committee-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.committee-card .member-photo {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1.25rem auto;
  border: 3px solid var(--primary-soft);
  transition: var(--transition-smooth);
  background-color: var(--primary-soft);
}

.committee-card:hover .member-photo {
  border-color: var(--accent);
}

.committee-card .member-name {
  font-size: 1.15rem;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.committee-card .member-role {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 850px;
  margin: 4rem auto 0 auto;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 4px;
  background: linear-gradient(to bottom, var(--accent) 0%, var(--primary) 50%, var(--accent) 100%);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -2px;
  border-radius: 4px;
}

.timeline-item {
  padding: 15px 45px;
  position: relative;
  background-color: inherit;
  width: 50%;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  right: -9px;
  background-color: var(--bg-card);
  border: 4px solid var(--accent);
  top: 24px;
  border-radius: 50%;
  z-index: 10;
  transition: var(--transition-smooth);
}

.timeline-item:hover::after {
  background-color: var(--accent);
  border-color: var(--primary);
  transform: scale(1.25);
  box-shadow: 0 0 10px rgba(217, 119, 6, 0.6);
}

.left-item {
  left: 0;
}

.right-item {
  left: 50%;
}

.right-item::after {
  left: -9px;
}

.timeline-content {
  padding: 2.2rem;
  background-color: var(--bg-card);
  position: relative;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition-smooth);
}

/* Timeline Arrow Pointers */
.left-item .timeline-content::before {
  content: " ";
  height: 0;
  position: absolute;
  top: 22px;
  width: 0;
  z-index: 1;
  right: -10px;
  border: medium solid white;
  border-width: 10px 0 10px 10px;
  border-color: transparent transparent transparent var(--bg-card);
}

.left-item .timeline-content::after {
  content: " ";
  height: 0;
  position: absolute;
  top: 22px;
  width: 0;
  z-index: 0;
  right: -11px;
  border: medium solid white;
  border-width: 10px 0 10px 10px;
  border-color: transparent transparent transparent var(--border);
}

.right-item .timeline-content::before {
  content: " ";
  height: 0;
  position: absolute;
  top: 22px;
  width: 0;
  z-index: 1;
  left: -10px;
  border: medium solid white;
  border-width: 10px 10px 10px 0;
  border-color: transparent var(--bg-card) transparent transparent;
}

.right-item .timeline-content::after {
  content: " ";
  height: 0;
  position: absolute;
  top: 22px;
  width: 0;
  z-index: 0;
  left: -11px;
  border: medium solid white;
  border-width: 10px 10px 10px 0;
  border-color: transparent var(--border) transparent transparent;
}

.timeline-item:hover .timeline-content {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(6, 78, 59, 0.15);
}

.timeline-year {
  display: inline-flex;
  padding: 0.35rem 1rem;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: var(--primary);
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 800;
  margin-bottom: 0.85rem;
  box-shadow: 0 4px 10px rgba(217, 119, 6, 0.15);
}

.timeline-title {
  font-size: 1.25rem;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Centenary Call to Action (Home CTA) */
.home-cta {
  background: linear-gradient(rgba(4, 50, 38, 0.95), rgba(6, 78, 59, 0.95)), url('../images/confer.png') center/cover no-repeat;
  color: #ffffff;
  text-align: center;
  position: relative;
}

.home-cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.home-cta h2 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.home-cta p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 2.5rem;
}

/* Payment Layout & Portal */
.payment-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: start;
}

.payment-form-section {
  background-color: var(--bg-card);
  padding: 3rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.form-group-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1.2rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background-color: var(--bg-light);
  color: var(--text-main);
  transition: var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  background-color: #ffffff;
  box-shadow: 0 0 0 4px rgba(6, 78, 59, 0.05);
}

textarea.form-input {
  resize: vertical;
  min-height: 100px;
}

/* Tiered Amount Selector */
.amount-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}

.amount-btn {
  background-color: var(--bg-light);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 1rem 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
}

.amount-btn:hover {
  border-color: var(--primary-light);
  background-color: var(--primary-soft);
}

.amount-btn.active {
  border-color: var(--accent);
  background-color: var(--primary-soft);
  color: var(--primary);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
}

.custom-amount-wrapper {
  position: relative;
}

.custom-amount-wrapper::before {
  content: '₹';
  position: absolute;
  left: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  font-weight: 600;
  color: var(--text-muted);
}

.custom-amount-wrapper .form-input {
  padding-left: 2.2rem;
}

/* Payment Type Switcher */
.payment-type-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.payment-type-btn {
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 1rem 0.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  background-color: var(--bg-light);
  transition: var(--transition-fast);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
}

.payment-type-btn svg {
  font-size: 1.4rem;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.payment-type-btn:hover {
  background-color: var(--primary-soft);
}

.payment-type-btn.active {
  border-color: var(--accent);
  background-color: var(--primary-soft);
}

.payment-type-btn.active svg {
  color: var(--accent);
}

/* Contribution Summary Sidebar */
.payment-summary-sidebar {
  background-color: var(--primary);
  color: #ffffff;
  padding: 3rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 100px;
  overflow: hidden;
}

.payment-summary-sidebar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/pattern.svg') repeat;
  opacity: 0.03;
  pointer-events: none;
}

.summary-title {
  font-size: 1.6rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.summary-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.summary-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
}

.summary-item span:first-child {
  opacity: 0.7;
}

.summary-item span:last-child {
  font-weight: 600;
}

.summary-total {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  margin-top: 1.5rem;
  font-size: 1.3rem;
  font-family: var(--font-heading);
  font-weight: 700;
}

.summary-total span:last-child {
  color: var(--accent-light);
}

/* Payment Gateway Mock Modal */
.payment-modal {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-fast);
}

.payment-modal.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background-color: var(--bg-card);
  padding: 3rem;
  border-radius: 20px;
  width: 90%;
  max-width: 480px;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: var(--transition-smooth);
}

.payment-modal.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
}

/* Receipt Screen styling */
.receipt-wrapper {
  text-align: center;
}

.success-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background-color: #d1fae5;
  color: #10b981;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin: 0 auto 1.5rem auto;
  box-shadow: 0 0 0 10px rgba(16, 185, 129, 0.05);
}

.receipt-details {
  background-color: var(--bg-light);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 2rem 0;
  border: 1px dashed var(--border);
  text-align: left;
}

.receipt-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  padding: 0.5rem 0;
}

.receipt-row:not(:last-child) {
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.receipt-row span:first-child {
  color: var(--text-muted);
}

.receipt-row span:last-child {
  font-weight: 600;
  color: var(--primary);
}

/* Footer */
footer {
  background-color: var(--primary);
  color: #ffffff;
  padding: 5rem 0 2rem 0;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/footer_bg.png') center/cover no-repeat;
  opacity: 0.06;
  pointer-events: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
  position: relative;
  z-index: 2;
}

.footer-brand p {
  font-size: 0.9rem;
  opacity: 0.75;
  margin-top: 1rem;
}

.footer-title {
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
  font-family: var(--font-heading);
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--accent-light);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-links a {
  font-size: 0.9rem;
  opacity: 0.75;
}

.footer-links a:hover {
  opacity: 1;
  color: var(--accent-light);
  transform: translateX(4px);
}

.footer-socials {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  transition: var(--transition-fast);
}

.social-icon:hover {
  background-color: var(--accent);
  color: var(--primary);
  transform: translateY(-2px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  opacity: 0.8;
}

.footer-contact-item svg {
  color: var(--accent-light);
  shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  opacity: 0.7;
  position: relative;
  z-index: 2;
}

/* Animations */
.animate-fade-in-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-fade-in-up.appeared {
  opacity: 1;
  transform: translateY(0);
}

/* Delay helpers for animations */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .grid-3, .leaders-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .committee-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
  .payment-layout {
    grid-template-columns: 1fr;
  }
  .payment-summary-sidebar {
    position: static;
  }
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
  .stat-card:nth-child(3)::after {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 75px;
  }
  .menu-toggle {
    display: block;
  }
  header nav {
    display: none;
  }
  .hero h1 {
    font-size: 2.8rem;
  }
  .section-title {
    font-size: 2.1rem;
  }
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .about-preview-image img {
    height: 320px;
  }
  .timeline::after {
    left: 20px;
  }
  .timeline-item {
    width: 100%;
    padding-left: 50px;
    padding-right: 0;
  }
  .timeline-item::after {
    left: 11px !important;
    right: auto !important;
  }
  .right-item {
    left: 0;
  }
  .left-item .timeline-content::before,
  .right-item .timeline-content::before {
    left: -10px;
    right: auto;
    border-width: 10px 10px 10px 0;
    border-color: transparent var(--bg-card) transparent transparent;
  }
  .left-item .timeline-content::after,
  .right-item .timeline-content::after {
    left: -11px;
    right: auto;
    border-width: 10px 10px 10px 0;
    border-color: transparent var(--border) transparent transparent;
  }
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .amount-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .payment-type-grid {
    grid-template-columns: 1fr;
  }
  .payment-form-section {
    padding: 2rem 1.5rem;
  }
  .payment-summary-sidebar {
    padding: 2rem 1.5rem;
  }
  .committee-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-card::after {
    display: none !important;
  }
}

@media (max-width: 480px) {
  .grid-3, .leaders-grid, .committee-grid, .stats-grid {
    grid-template-columns: 1fr;
  }
  .hero-actions {
    flex-direction: column;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .amount-grid {
    grid-template-columns: 1fr;
  }
}