/* ==========================================================================
   GentleMind Education Private Limited - World-Class Corporate Website
   Core Stylesheet & Design System Tokens
   ========================================================================== */

:root {
  /* Brand Color Palette */
  --color-primary-navy: #102746;
  --color-deep-navy: #0B1D36;
  --color-teal: #008D99;
  --color-teal-light: #E9F8F7;
  --color-teal-dark: #006D77;
  --color-warm-gold: #E9AB42;
  --color-warm-gold-hover: #D99B32;
  --color-gold-light: #FEF7ED;
  --color-off-white: #F8FAFC;
  --color-white: #FFFFFF;
  --color-text-primary: #182B42;
  --color-text-secondary: #627287;
  --color-text-muted: #8E9CAA;
  --color-border: #E2E8F0;
  --color-border-light: #EDF2F7;
  --color-bg-card: #FFFFFF;
  --color-bg-alt: #F1F5F9;

  /* Typography System */
  --font-heading: 'Plus Jakarta Sans', 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-editorial: 'Plus Jakarta Sans', Georgia, serif;

  /* Type Scale (Clamp-based Fluid Typography) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.825rem + 0.25vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --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, 1.35rem + 0.75vw, 1.875rem);
  --text-3xl: clamp(1.875rem, 1.65rem + 1.1vw, 2.375rem);
  --text-4xl: clamp(2.25rem, 1.95rem + 1.5vw, 3rem);
  --text-5xl: clamp(2.75rem, 2.35rem + 2vw, 3.875rem);

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Container & Grid */
  --container-max: 1240px;
  --container-wide: 1360px;
  --container-narrow: 920px;
  --container-padding: clamp(1rem, 3vw, 2rem);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(16, 39, 70, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(16, 39, 70, 0.07), 0 2px 4px -2px rgba(16, 39, 70, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(16, 39, 70, 0.08), 0 4px 6px -4px rgba(16, 39, 70, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(16, 39, 70, 0.1), 0 8px 10px -6px rgba(16, 39, 70, 0.05);
  --shadow-card-hover: 0 16px 32px -8px rgba(16, 39, 70, 0.12), 0 4px 8px -2px rgba(16, 39, 70, 0.06);

  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   CSS Reset & Base Styles
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text-primary);
  background-color: var(--color-off-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Accessibility Focus Ring */
:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 3px;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary-navy);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

p:last-child {
  margin-bottom: 0;
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* ==========================================================================
   Layout & Container Utilities
   ========================================================================== */

.gm-container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.gm-container-wide {
  max-width: var(--container-wide);
}

.gm-container-narrow {
  max-width: var(--container-narrow);
}

.gm-section {
  padding-top: clamp(3rem, 6vw, 6rem);
  padding-bottom: clamp(3rem, 6vw, 6rem);
  position: relative;
}

.gm-section-sm {
  padding-top: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: clamp(2rem, 4vw, 3.5rem);
}

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

.gm-section-white {
  background-color: var(--color-white);
}

.gm-section-navy {
  background-color: var(--color-deep-navy);
  color: var(--color-white);
}

.gm-section-navy h1,
.gm-section-navy h2,
.gm-section-navy h3,
.gm-section-navy h4 {
  color: var(--color-white);
}

.gm-section-navy p {
  color: #CBD5E1;
}

/* ==========================================================================
   Top Information Bar
   ========================================================================== */

.gm-topbar {
  background-color: var(--color-deep-navy);
  color: #94A3B8;
  font-size: var(--text-xs);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.45rem 0;
}

.gm-topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.gm-topbar-left,
.gm-topbar-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.gm-topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #CBD5E1;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.gm-topbar-item:hover {
  color: var(--color-warm-gold);
}

.gm-topbar-item svg {
  width: 14px;
  height: 14px;
  color: var(--color-warm-gold);
}

.gm-topbar-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(0, 141, 153, 0.2);
  color: #5EEAD4;
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.02em;
}

/* ==========================================================================
   Main Header & Sticky Navigation
   ========================================================================== */

.gm-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.gm-header.is-scrolled {
  box-shadow: 0 4px 20px -2px rgba(16, 39, 70, 0.08);
}

.gm-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  transition: height var(--transition-normal);
}

.gm-header.is-scrolled .gm-header-inner {
  height: 68px;
}

/* Brand Logo */
.gm-logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.gm-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.gm-logo-img:hover {
  transform: scale(1.02);
}

/* Desktop Navigation Menu */
.gm-nav-desktop {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.gm-nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.gm-nav-item {
  position: relative;
}

.gm-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.6rem 0.85rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-primary-navy);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.gm-nav-link:hover,
.gm-nav-item:hover > .gm-nav-link,
.gm-nav-item.is-active > .gm-nav-link {
  color: var(--color-teal);
  background-color: var(--color-teal-light);
}

.gm-nav-arrow {
  width: 12px;
  height: 12px;
  transition: transform var(--transition-fast);
}

.gm-nav-item:hover .gm-nav-arrow {
  transform: rotate(180deg);
}

/* Dropdown Menus */
.gm-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 250px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-fast);
  z-index: 100;
}

.gm-nav-item:hover > .gm-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.gm-dropdown-link {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.gm-dropdown-link:hover,
.gm-dropdown-link.is-active {
  background-color: var(--color-teal-light);
  color: var(--color-teal-dark);
}

.gm-dropdown-link-title {
  display: block;
  font-weight: 600;
  color: var(--color-primary-navy);
  margin-bottom: 2px;
}

.gm-dropdown-link:hover .gm-dropdown-link-title {
  color: var(--color-teal);
}

.gm-dropdown-link-desc {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.35;
}

/* Nested Submenu (Flyout) */
.gm-dropdown-nested {
  position: relative;
}

.gm-dropdown-nested > .gm-dropdown-link {
  justify-content: space-between;
}

.gm-submenu {
  position: absolute;
  top: 0;
  left: 100%;
  min-width: 260px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateX(8px);
  transition: all var(--transition-fast);
}

.gm-dropdown-nested:hover > .gm-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

/* Mega Menu for Program */
.gm-megamenu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: 820px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr 1fr 240px;
  gap: 1.5rem;
}

.gm-nav-item:hover > .gm-megamenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.gm-megamenu-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.gm-megamenu-header {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-teal);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.gm-megamenu-card {
  background: linear-gradient(135deg, var(--color-deep-navy), var(--color-primary-navy));
  border-radius: var(--radius-md);
  padding: 1.25rem;
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.gm-megamenu-card h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.gm-megamenu-card p {
  color: #CBD5E1;
  font-size: 0.8125rem;
  margin-bottom: 1rem;
  line-height: 1.45;
}

/* Header Action Button */
.gm-header-action {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.gm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  text-decoration: none;
  line-height: 1.3;
}

.gm-btn-sm {
  font-size: 0.8125rem;
  padding: 0.45rem 0.95rem;
}

.gm-btn-lg {
  font-size: 1.0625rem;
  padding: 0.85rem 1.85rem;
  border-radius: var(--radius-md);
}

.gm-btn-primary {
  background-color: var(--color-teal);
  color: var(--color-white);
  box-shadow: 0 2px 4px rgba(0, 141, 153, 0.2);
}

.gm-btn-primary:hover {
  background-color: var(--color-teal-dark);
  color: var(--color-white);
  box-shadow: 0 4px 10px rgba(0, 141, 153, 0.35);
  transform: translateY(-1px);
}

.gm-btn-gold {
  background-color: var(--color-warm-gold);
  color: var(--color-primary-navy);
  box-shadow: 0 2px 4px rgba(233, 171, 66, 0.2);
}

.gm-btn-gold:hover {
  background-color: var(--color-warm-gold-hover);
  color: var(--color-primary-navy);
  box-shadow: 0 4px 10px rgba(233, 171, 66, 0.35);
  transform: translateY(-1px);
}

.gm-btn-outline {
  background-color: transparent;
  border-color: var(--color-teal);
  color: var(--color-teal);
}

.gm-btn-outline:hover {
  background-color: var(--color-teal-light);
  color: var(--color-teal-dark);
}

.gm-btn-outline-white {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--color-white);
}

.gm-btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
  color: var(--color-white);
}

/* Mobile Toggle Hamburger */
.gm-mobile-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  color: var(--color-primary-navy);
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.gm-mobile-toggle svg {
  width: 26px;
  height: 26px;
}

/* ==========================================================================
   Mobile Off-Canvas Navigation Drawer
   ========================================================================== */

.gm-drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(11, 29, 54, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1100;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.gm-drawer-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.gm-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(85vw, 380px);
  background-color: var(--color-white);
  z-index: 1200;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  box-shadow: -4px 0 25px rgba(0, 0, 0, 0.15);
  overflow-y: auto;
}

.gm-drawer.is-open {
  transform: translateX(0);
}

.gm-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.gm-drawer-close {
  background: none;
  border: none;
  color: var(--color-text-primary);
  padding: 0.5rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.gm-drawer-body {
  padding: 1.25rem 1rem;
  flex: 1;
  overflow-y: auto;
}

.gm-drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.gm-drawer-item {
  border-bottom: 1px solid var(--color-border-light);
}

.gm-drawer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0.5rem;
  font-weight: 600;
  color: var(--color-primary-navy);
  font-size: 1rem;
}

.gm-drawer-link:hover,
.gm-drawer-link.is-active {
  color: var(--color-teal);
}

.gm-drawer-accordion-btn {
  background: none;
  border: none;
  padding: 0.25rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.gm-drawer-item.is-expanded > .gm-drawer-link .gm-drawer-accordion-btn svg {
  transform: rotate(180deg);
}

.gm-drawer-sublist {
  display: none;
  padding-left: 1rem;
  padding-bottom: 0.5rem;
}

.gm-drawer-item.is-expanded > .gm-drawer-sublist {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.gm-drawer-sublink {
  display: block;
  padding: 0.5rem 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.gm-drawer-sublink:hover,
.gm-drawer-sublink.is-active {
  color: var(--color-teal);
}

.gm-drawer-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-off-white);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ==========================================================================
   Breadcrumb Bar
   ========================================================================== */

.gm-breadcrumb-bar {
  background-color: var(--color-off-white);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 0;
  font-size: var(--text-xs);
}

.gm-breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--color-text-muted);
}

.gm-breadcrumb-item a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.gm-breadcrumb-item a:hover {
  color: var(--color-teal);
}

.gm-breadcrumb-separator {
  color: var(--color-text-muted);
  user-select: none;
}

.gm-breadcrumb-current {
  color: var(--color-primary-navy);
  font-weight: 600;
}

/* ==========================================================================
   Global Footer
   ========================================================================== */

.gm-footer {
  background-color: var(--color-deep-navy);
  color: #94A3B8;
  padding-top: clamp(3.5rem, 6vw, 5.5rem);
  padding-bottom: 2rem;
  border-top: 4px solid var(--color-teal);
  position: relative;
}

.gm-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  margin-bottom: 3.5rem;
}

.gm-footer-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.gm-footer-logo-img {
  height: 42px;
  width: auto;
  margin-bottom: 0.5rem;
}

.gm-footer-tagline {
  color: var(--color-warm-gold);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.gm-footer-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: #94A3B8;
}

.gm-footer-heading {
  color: var(--color-white);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.gm-footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.gm-footer-link {
  color: #94A3B8;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.gm-footer-link:hover {
  color: var(--color-teal-light);
  transform: translateX(2px);
}

.gm-footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.875rem;
}

.gm-footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  color: #CBD5E1;
}

.gm-footer-contact-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-warm-gold);
  flex-shrink: 0;
  margin-top: 3px;
}

.gm-footer-contact-item a {
  color: #CBD5E1;
}

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

.gm-footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
}

.gm-footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.gm-footer-bottom-links a {
  color: #94A3B8;
}

.gm-footer-bottom-links a:hover {
  color: var(--color-white);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .gm-nav-desktop,
  .gm-header-action {
    display: none;
  }

  .gm-mobile-toggle {
    display: block;
  }

  .gm-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .gm-topbar {
    display: none;
  }

  .gm-footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .gm-footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}