/* ===================================
   1. CSS RESET & BASE
   =================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

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

/* ===================================
   2. CSS VARIABLES
   =================================== */
:root {
  /* Colors */
  --primary-blue: #1E3A8A;
  --primary-light-blue: #3B82F6;
  --primary-sky: #60A5FA;
  --cream: #F0F4F8;
  --warm-white: #FEFAF5;
  --charcoal: #2D3142;
  --gray-medium: #6B7280;
  --gold-accent: #93C5FD;

  /* Semantic Colors */
  --success: #10B981;
  --error: #EF4444;

  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Breakpoints (for reference in media queries) */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;

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

/* ===================================
   3. TYPOGRAPHY
   =================================== */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--charcoal);
  background-color: var(--warm-white);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.5rem;
  color: var(--primary-blue);
}

h3 {
  font-size: 2rem;
  color: var(--charcoal);
}

h4 {
  font-size: 1.5rem;
}

p {
  margin-bottom: var(--spacing-sm);
}

/* ===================================
   4. LAYOUT UTILITIES
   =================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

section {
  padding: var(--spacing-xl) 0;
}

/* ===================================
   5. HEADER & NAVIGATION
   =================================== */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: box-shadow var(--transition-normal);
}

.main-header.sticky {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.main-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.logo h1 {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  color: var(--primary-blue);
  margin: 0;
  line-height: 1;
}

.logo .subtitle {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--primary-blue);
  font-weight: 400;
}

.main-nav {
  position: relative;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-menu li a {
  color: var(--charcoal);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--primary-light-blue);
}

.nav-menu li a.active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--primary-light-blue);
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: var(--spacing-xs);
  margin-left: var(--spacing-sm);
  border-left: 1px solid var(--cream);
  padding-left: var(--spacing-md);
}

.lang-switcher button {
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-weight: 500;
  color: var(--gray-medium);
  transition: all var(--transition-fast);
}

.lang-switcher button:hover {
  background-color: var(--cream);
}

.lang-switcher button.active {
  background-color: var(--primary-blue);
  color: white;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--primary-blue);
  transition: all var(--transition-normal);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ===================================
   6. HERO SECTION & LOTUS ANIMATION
   =================================== */
.hero-section {
  position: relative;
  width: 100%;
  padding-top: 70px;
  overflow: hidden;
}

.hero-pond-container {
  position: relative;
  width: 100%;
  min-height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-pond-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  animation: fade-in 1.5s ease-out forwards;
}

@keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.hero-overlay {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: var(--spacing-lg);
  animation: fade-in-up 1s ease-out 1.5s forwards;
  opacity: 0;
}

.hero-motto {
  font-size: 4rem;
  color: white;
  font-weight: 700;
  margin: 0;
  text-align: center;
  text-shadow:
    3px 3px 6px rgba(0, 0, 0, 0.8),
    -2px -2px 4px rgba(0, 0, 0, 0.6),
    0 0 20px rgba(0, 0, 0, 0.5);
  padding: var(--spacing-md) var(--spacing-lg);
  max-width: 90%;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: white;
  font-weight: 400;
  margin: var(--spacing-sm) 0 0 0;
  text-align: center;
  text-shadow:
    2px 2px 4px rgba(0, 0, 0, 0.8),
    -1px -1px 2px rgba(0, 0, 0, 0.6);
  padding: 0 var(--spacing-lg);
  max-width: 90%;
  font-family: var(--font-body);
}

@keyframes fade-in-up {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===================================
   7. ABOUT SECTION
   =================================== */
.about-section {
  background-color: var(--warm-white);
  padding-top: var(--spacing-sm);
}

.about-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-lg);
  align-items: stretch;
}

.about-image img {
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}

.about-text p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--charcoal);
  margin-bottom: var(--spacing-md);
}

.about-credentials {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  align-items: center;
}

.credential-link {
  display: inline-block;
  transition: transform var(--transition-fast);
}

.credential-link:hover {
  transform: translateY(-3px);
}

.credential-logo {
  height: 60px;
  width: auto;
}

.linkedin-icon {
  height: 40px;
  width: 40px;
}

.certificate-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: rgba(59, 130, 246, 0.08);
  border-radius: 6px;
  text-decoration: none;
  color: var(--primary-blue);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.certificate-link:hover {
  background-color: rgba(59, 130, 246, 0.15);
  transform: translateY(-2px);
}

.certificate-icon {
  height: 32px;
  width: 32px;
  flex-shrink: 0;
}

/* ===================================
   8. COACHING SECTION
   =================================== */
.coaching-section {
  background-color: var(--cream);
}

.coaching-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.coaching-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  align-items: stretch;
}

.coaching-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}

.coaching-text p {
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.coaching-image img {
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Who is it for? */
.coaching-audience {
  margin-bottom: var(--spacing-xl);
}

.audience-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-lg);
  align-items: stretch;
}

.audience-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}

.audience-text h3 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
}

.audience-image img {
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.coaching-audience p {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.audience-list {
  list-style: none;
  padding-left: 0;
}

.audience-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
  line-height: 1.6;
}

.audience-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-sky);
  font-weight: bold;
  font-size: 1.5rem;
}

/* Core Principles */
.principles-section h3 {
  color: var(--primary-blue);
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.principles-subtitle {
  text-align: center;
  font-size: 1.125rem;
  color: var(--gray-medium);
  margin-bottom: var(--spacing-lg);
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.principle-card {
  background-color: white;
  padding: var(--spacing-md);
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-normal);
}

.principle-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.principle-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.principle-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.principle-card h4 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
  color: var(--primary-blue);
}

.principle-card p {
  font-size: 0.875rem;
  color: var(--gray-medium);
  margin: 0;
  line-height: 1.5;
}

/* ===================================
   9. FAQ SECTION
   =================================== */
.faq-section {
  background: linear-gradient(135deg, var(--warm-white) 0%, var(--cream) 100%);
  position: relative;
  overflow: hidden;
}

.faq-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.faq-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(30, 58, 138, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.faq-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.faq-section h2::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-blue), var(--light-blue));
  margin: var(--spacing-sm) auto 0;
  border-radius: 2px;
}

.faq-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.faq-item {
  background: white;
  padding: var(--spacing-lg);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: all var(--transition-normal);
  border-top: 4px solid transparent;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.faq-item::before {
  content: '?';
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(59, 130, 246, 0.05);
  font-family: var(--font-heading);
  line-height: 1;
  pointer-events: none;
}

.faq-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.15);
  border-top-color: var(--primary-blue);
}

.faq-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(96, 165, 250, 0.05));
  border-radius: 50%;
  padding: var(--spacing-sm);
  transition: all var(--transition-normal);
}

.faq-item:hover .faq-icon {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(96, 165, 250, 0.08));
  transform: scale(1.1);
}

.faq-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.faq-item h3 {
  color: var(--primary-blue);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
}

.faq-item p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--charcoal);
  margin: 0;
  text-align: center;
}

/* ===================================
   10. CONTACT SECTION
   =================================== */
.contact-section {
  background-color: var(--warm-white);
}

.contact-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.contact-intro {
  text-align: center;
  font-size: 1.125rem;
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
}

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

.contact-info h3 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
}

.contact-info p {
  font-size: 1.125rem;
  line-height: 1.8;
}

/* Contact Form */
.contact-form {
  background-color: white;
  padding: var(--spacing-lg);
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--charcoal);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--cream);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
}

.form-group input.invalid {
  border-color: var(--error);
}

.form-group input.valid {
  border-color: var(--success);
}

.form-notice {
  font-size: 0.875rem;
  color: var(--gray-medium);
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.submit-btn {
  width: 100%;
  padding: 1rem;
  background-color: var(--primary-blue);
  color: white;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.submit-btn:hover {
  background-color: #246566;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(44, 122, 123, 0.3);
}

.submit-btn:active {
  transform: translateY(0);
}

.form-status {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-radius: 4px;
  text-align: center;
  font-weight: 500;
}

.form-status.loading {
  background-color: var(--cream);
  color: var(--charcoal);
}

.form-status.success {
  background-color: #D1FAE5;
  color: var(--success);
}

.form-status.error {
  background-color: #FEE2E2;
  color: var(--error);
}

/* ===================================
   10. FOOTER
   =================================== */
.main-footer {
  background-color: var(--charcoal);
  color: white;
  padding: var(--spacing-md) 0;
  text-align: center;
}

.main-footer p {
  margin: 0;
  font-size: 0.875rem;
}

/* ===================================
   11. SCROLL ANIMATIONS
   =================================== */
.fade-in,
.slide-up {
  opacity: 0;
  transition: all 0.6s ease-out;
}

.fade-in.animate-in {
  opacity: 1;
}

.slide-up {
  transform: translateY(30px);
}

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

/* ===================================
   12. RESPONSIVE DESIGN
   =================================== */

/* Tablet (1024px and below) */
@media (max-width: 1024px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  h3 {
    font-size: 1.75rem;
  }

  .hero-motto {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
  }

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

/* Mobile (768px and below) */
@media (max-width: 768px) {
  /* Header & Navigation */
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: white;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-md);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .lang-switcher {
    border-left: none;
    border-top: 1px solid var(--cream);
    padding-left: 0;
    padding-top: var(--spacing-sm);
    margin-left: 0;
    margin-top: var(--spacing-sm);
    width: 100%;
  }

  body.no-scroll {
    overflow: hidden;
  }

  /* Typography */
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.5rem;
  }

  .hero-motto {
    font-size: 2rem;
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  /* Hero */
  .hero-pond-container {
    min-height: 40vh;
  }

  /* About Section */
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .about-image {
    order: 1;
  }

  .about-text {
    order: 2;
  }

  /* Coaching Section */
  .coaching-content {
    grid-template-columns: 1fr;
  }

  .coaching-image {
    order: 2;
  }

  .coaching-text {
    order: 1;
  }

  .audience-content {
    grid-template-columns: 1fr;
  }

  .audience-image {
    order: 1;
  }

  .audience-text {
    order: 2;
  }

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

  .faq-container {
    grid-template-columns: 1fr;
  }

  /* Spacing */
  section {
    padding: var(--spacing-lg) 0;
  }
}

/* Small Mobile (640px and below) */
@media (max-width: 640px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .hero-motto {
    font-size: 1.5rem;
    padding: var(--spacing-sm);
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .hero-pond-container {
    min-height: 50vh;
  }

  .principles-grid {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: var(--spacing-md);
  }

  .about-text p,
  .coaching-text p {
    font-size: 1rem;
  }
}

/* ===================================
   13. UTILITIES
   =================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ===================================
   14. CERTIFICATE MODAL
   =================================== */
.certificate-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
}

.certificate-modal.active {
  display: block;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  max-width: 1200px;
  max-height: 90vh;
  margin: 5vh auto;
  background: white;
  border-radius: 12px;
  padding: var(--spacing-xl);
  overflow-y: auto;
  z-index: 10000;
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  font-size: 2.5rem;
  line-height: 1;
  color: var(--charcoal);
  cursor: pointer;
  transition: color var(--transition-fast);
  padding: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--primary-blue);
}

.modal-content h2 {
  text-align: center;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-lg);
  padding-right: 40px;
}

.certificates-container {
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
}

.certificate-item {
  text-align: center;
  width: 100%;
}

.certificate-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  transition: transform var(--transition-normal);
}

.certificate-image:hover {
  transform: scale(1.02);
}

/* Mobile responsiveness for modal */
@media (max-width: 768px) {
  .modal-content {
    margin: 2vh auto;
    padding: var(--spacing-md);
    max-height: 96vh;
  }

  .modal-content h2 {
    font-size: 1.5rem;
  }
}