/*
Theme Name: Ramanujan Institute Theme
Theme URI: https://ramanujanmaths.com
Author: Ramanujan Institute of Mathematics
Author URI: https://ramanujanmaths.com
Description: A premium one-page theme for Ramanujan Institute of Mathematics - Maths Specialist with 20+ Years Experience
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: ramanujan-theme
Tags: one-column, custom-logo, custom-colors, education, responsive-layout
*/

/* ========================================
   CSS Variables & Design System
   ======================================== */
:root {
  --color-gold: #C9A227;
  --color-gold-light: #D4B54A;
  --color-black: #0B0B0B;
  --color-navy: #0D2C54;
  --color-navy-light: #1A4A7A;
  --color-white: #FFFFFF;
  --color-green: #1E7F43;
  --color-green-hover: #166B36;
  --color-gray-light: #F5F5F5;
  --color-gray: #6B7280;
  
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-black);
  background-color: var(--color-white);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-black);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

a {
  color: var(--color-navy);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--color-gold);
}

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

/* ========================================
   Utility Classes
   ======================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.text-gold { color: var(--color-gold); }
.text-navy { color: var(--color-navy); }
.text-white { color: var(--color-white); }
.text-gray { color: var(--color-gray); }

.bg-black { background-color: var(--color-black); }
.bg-navy { background-color: var(--color-navy); }
.bg-white { background-color: var(--color-white); }
.bg-gray-light { background-color: var(--color-gray-light); }

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

.section-padding {
  padding: 5rem 0;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-green {
  background-color: var(--color-green);
  color: var(--color-white);
}

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

.btn-gold {
  background-color: var(--color-gold);
  color: var(--color-black);
}

.btn-gold:hover {
  background-color: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-navy {
  background-color: var(--color-navy);
  color: var(--color-white);
}

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

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-gold);
  color: var(--color-gold);
}

.btn-outline:hover {
  background-color: var(--color-gold);
  color: var(--color-black);
}

/* ========================================
   Header & Navigation
   ======================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-black);
  padding: 1rem 0;
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-logo img {
  height: 50px;
  width: auto;
}

.logo-placeholder {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-black);
}

.site-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-gold);
  font-weight: 700;
}

.main-navigation ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.main-navigation a {
  color: var(--color-white);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
}

.main-navigation a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-gold);
  transition: width 0.3s ease;
}

.main-navigation a:hover::after,
.main-navigation a.active::after {
  width: 100%;
}

.main-navigation a:hover {
  color: var(--color-gold);
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-white);
  font-weight: 600;
}

.header-phone svg {
  color: var(--color-green);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ========================================
   Sticky Lead Form
   ======================================== */
.sticky-lead-form {
  position: fixed;
  top: 100px;
  right: 20px;
  z-index: 999;
  width: 300px;
  background-color: var(--color-white);
  border-radius: 12px;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.lead-form-header {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  padding: 1rem;
  text-align: center;
}

.lead-form-header h3 {
  color: var(--color-black);
  font-size: 1.125rem;
  margin: 0;
}

.lead-form-body {
  padding: 1.5rem;
}

.lead-form-body .form-group {
  margin-bottom: 1rem;
}

.lead-form-body label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  color: var(--color-black);
}

.lead-form-body input,
.lead-form-body select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #E5E7EB;
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.lead-form-body input:focus,
.lead-form-body select:focus {
  outline: none;
  border-color: var(--color-gold);
}

.lead-form-body .btn {
  width: 100%;
}

/* ========================================
   Hero Section
   ======================================== */
.hero-section {
  padding-top: 120px;
  padding-bottom: 5rem;
  background: linear-gradient(135deg, var(--color-black) 0%, var(--color-navy) 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 700px;
}

.hero-badge {
  display: inline-block;
  background-color: rgba(201, 162, 39, 0.2);
  color: var(--color-gold);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.5rem;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.hero-title span {
  color: var(--color-gold);
}

.hero-tagline {
  font-size: 1.5rem;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
}

.hero-boards {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.board-badge {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

/* ========================================
   Features Section
   ======================================== */
.features-section {
  background-color: var(--color-white);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header h2 span {
  color: var(--color-gold);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--color-gray);
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  background-color: var(--color-white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #E5E7EB;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
}

.feature-card h3 {
  margin-bottom: 0.75rem;
  color: var(--color-navy);
}

.feature-card p {
  color: var(--color-gray);
}

/* ========================================
   About Section
   ======================================== */
.about-section {
  background-color: var(--color-gray-light);
}

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

.about-image {
  position: relative;
}

.about-image img {
  border-radius: 12px;
  box-shadow: var(--shadow-xl);
}

.about-image-placeholder {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, var(--color-navy), var(--color-black));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-size: 4rem;
}

.experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  color: var(--color-black);
  padding: 1.5rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.experience-badge .number {
  font-size: 2.5rem;
  font-weight: 700;
  font-family: var(--font-heading);
  display: block;
}

.experience-badge .text {
  font-size: 0.875rem;
  font-weight: 600;
}

.about-content h2 {
  margin-bottom: 1.5rem;
}

.about-content p {
  color: var(--color-gray);
  margin-bottom: 1.5rem;
}

.about-features {
  list-style: none;
  margin-bottom: 2rem;
}

.about-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--color-black);
}

.about-features li::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background-color: var(--color-green);
  color: var(--color-white);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
}

/* ========================================
   Courses Section
   ======================================== */
.courses-section {
  background-color: var(--color-white);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.course-card {
  background-color: var(--color-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #E5E7EB;
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.course-header {
  background: linear-gradient(135deg, var(--color-navy), var(--color-black));
  padding: 2rem;
  text-align: center;
}

.course-header h3 {
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.course-header span {
  color: var(--color-gold);
  font-size: 0.875rem;
  font-weight: 600;
}

.course-body {
  padding: 2rem;
}

.course-body ul {
  list-style: none;
  margin-bottom: 1.5rem;
}

.course-body li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--color-gray);
}

.course-body li::before {
  content: '→';
  color: var(--color-gold);
  font-weight: 700;
}

/* ========================================
   Contact Section
   ======================================== */
.contact-section {
  background-color: var(--color-gray-light);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h2 {
  margin-bottom: 1.5rem;
}

.contact-info p {
  color: var(--color-gray);
  margin-bottom: 2rem;
}

.contact-details {
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item h4 {
  margin-bottom: 0.25rem;
}

.contact-item p {
  margin: 0;
  color: var(--color-gray);
}

.contact-item a {
  color: var(--color-navy);
  font-weight: 600;
}

.contact-item a:hover {
  color: var(--color-gold);
}

.contact-form {
  background-color: var(--color-white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  margin-bottom: 1.5rem;
}

.contact-form .form-group {
  margin-bottom: 1rem;
}

.contact-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.875rem;
  border: 1px solid #E5E7EB;
  border-radius: 6px;
  font-size: 1rem;
  font-family: var(--font-body);
  transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-gold);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.map-container {
  margin-top: 3rem;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.map-container iframe {
  width: 100%;
  height: 400px;
  border: none;
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .site-logo {
  margin-bottom: 1rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.5rem;
}

.footer-heading {
  color: var(--color-gold);
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s ease;
}

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

.footer-contact p {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
  .sticky-lead-form {
    display: none;
  }
  
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .main-navigation,
  .header-phone {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.875rem; }
  
  .hero-boards {
    flex-wrap: wrap;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-cta .btn {
    width: 100%;
  }
  
  .courses-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .site-logo {
    justify-content: center;
  }
  
  .footer-brand p {
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  
  .section-padding {
    padding: 3rem 0;
  }
  
  .hero-section {
    padding-top: 100px;
    padding-bottom: 3rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-tagline {
    font-size: 1.25rem;
  }
}

/* ========================================
   Mobile Menu (JavaScript Required)
   ======================================== */
.mobile-menu {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  background-color: var(--color-black);
  padding: 1rem;
  box-shadow: var(--shadow-lg);
}

.mobile-menu.active {
  display: block;
}

.mobile-menu ul {
  list-style: none;
}

.mobile-menu li {
  margin-bottom: 0.5rem;
}

.mobile-menu a {
  display: block;
  color: var(--color-white);
  padding: 0.75rem 1rem;
  border-radius: 6px;
  transition: background-color 0.3s ease;
}

.mobile-menu a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-gold);
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* ========================================
   WordPress Specific
   ======================================== */
.wp-block-image img {
  max-width: 100%;
  height: auto;
}

.aligncenter {
  text-align: center;
}

.alignleft {
  float: left;
  margin-right: 1.5rem;
}

.alignright {
  float: right;
  margin-left: 1.5rem;
}

.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
}