/* Sankalp - Modern Responsive Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
:root {
  /* Sankalp Theme Colors - Golden Brown from Logo */
  --bg: #fbfbfd;
  --text: #1d1d1f;
  --muted: #6e6e73;
  /* Primary brand color - Extra Softened Golden Brown from logo */
  --brand: #B8A082; /* Extra soft golden brown */
  --brand-2: #A08D75; /* Extra soft sienna */
  --brand-3: #FAF8F5; /* Ultra soft cream */
  --accent: #A08D75;
  --highlight: #B8A082;
  --surface: #fff;
  --surface-2: #f5f5f7;
  --radius: 18px;
  --shadow: 0 6px 24px rgba(0,0,0,.08);
  
  /* Theme color variations for cards/buttons - Extra Softened Golden Brown palette */
  --theme-primary: #B8A082; /* Extra soft golden brown */
  --theme-primary-light: #DCC9B0; /* Very soft light golden */
  --theme-primary-lighter: #EDE4D6; /* Extremely light golden */
  --theme-primary-dark: #A08D75; /* Extra soft dark brown */
  --theme-primary-pale: #FAF8F5; /* Ultra soft cream */
}

/* Responsive Layout & Components for Sankalp Learning Center */

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: saturate(180%) blur(20px);
  background: rgba(255, 255, 255, 0.75);
  border-bottom: 2px solid var(--theme-primary-pale);
}
.nav-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: nowrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -.01em;
  font-size: 1.18rem;
}
.brand img {
  max-width: 140px;
  width: 140px;
  height: auto;
  object-fit: contain;
  display: block;
}

.nav {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: nowrap;
  flex-shrink: 0;
}
.nav a {
  font-size: 14px;
  color: var(--text);
  opacity: .9;
  text-decoration: none;
  border-radius: 8px;
  padding: 8px 12px;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}
/* These styles are defined above with theme colors - removing duplicate */
.nav a:not(.active):not(.selected) {
  background: transparent;
  color: var(--text);
  box-shadow: none;
}
.nav a.back-parent {
  background: transparent !important;
  color: inherit !important;
  font-weight: 600;
}

.nav-cta {
  margin-left: 8px;
  margin-right: 0;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 10px 18px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  transition: .2s ease;
  text-decoration: none;
}
.btn-primary {
  margin-right: 0;
  background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-primary-dark) 100%);
  color: #fff !important;
  text-shadow: 0 1px 2px rgba(0,0,0,0.08);
  padding: 10px 22px;
  border-radius: 999px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(184,160,130,0.20);
  transition: all 0.25s ease;
  white-space: nowrap;
  font-size: 13px;
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--theme-primary-light) 0%, var(--theme-primary) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(184,160,130,0.25);
}
.btn-outline {
  border-color: rgba(184,160,130,0.4);
  color: rgba(184,160,130,0.8);
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(10px);
  white-space: nowrap;
  font-size: 13px;
  padding: 10px 20px;
}
.btn-outline:hover {
  background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-primary-dark) 100%);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(184,160,130,0.20);
}
.banner {
  background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-primary-dark) 100%);
  color: #fff !important;
  text-shadow: 0 1px 2px rgba(0,0,0,0.06);
  backdrop-filter: blur(10px);
}
.banner .inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.banner a {
  text-decoration: underline;
}
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}
section {
  padding: 72px 0;
}
.section-head {
  text-align: center;
  margin-bottom: 40px;
}
.h2 {
  font-size: clamp(24px, 4vw, 40px);
  margin: 6px 0 8px;
}
.lead {
  color: var(--muted);
  max-width: 760px;
  margin: 0 auto;
  font-size: 18px;
}
.accordion { border: none; background: none; margin: 0 0 18px; }
.accordion summary { cursor: pointer; font-size: 1.15rem; font-weight: 600; color: var(--theme-primary); padding: 12px 0; border-radius: 6px; transition: background 0.2s; }
.accordion[open] > summary { background: var(--theme-primary-pale); color: var(--theme-primary-dark); }
.accordion .accordion { margin-left: 18px; }
.carousel { display: flex; align-items: center; gap: 16px; margin: 18px 0; }
.carousel-btn { background: var(--theme-primary); color: #fff; border: none; border-radius: 50%; width: 36px; height: 36px; font-size: 1.4rem; cursor: pointer; box-shadow: 0 2px 8px rgba(184,160,130,0.18); transition: background 0.2s; }
.carousel-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.carousel-images { display: flex; gap: 12px; overflow-x: auto; scroll-behavior: smooth; }
.carousel-images img { border-radius: 14px; max-width: 220px; max-height: 180px; object-fit: cover; box-shadow: 0 2px 8px rgba(26,35,126,0.07); }
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.card {
  background: #fff !important;
  color: var(--text) !important;
  border: none !important;
  border-radius: 24px;
  padding: 36px 32px 28px 32px;
  box-shadow: 0 4px 16px 0 rgba(0,0,0,0.08), 0 1px 3px 0 rgba(0,0,0,0.05);
  margin-bottom: 28px;
  transition: transform 0.25s cubic-bezier(.4,0,.2,1), box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 8px 24px 0 rgba(0,0,0,0.12), 0 2px 6px 0 rgba(0,0,0,0.08);
}
.card .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(0,0,0,0.05);
  font-size: 2rem;
  margin-bottom: 18px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}
.card h3 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text);
}
.card p {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text);
  line-height: 1.6;
}

.card .muted {
  color: var(--muted) !important;
}
@media (max-width: 900px) {
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .card {
    padding: 28px 16px 20px 16px;
  }
}
/* Consolidated grid-2 definition above handles this */

.card.gradient {
  background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-primary-dark) 60%, var(--theme-primary-light) 100%) !important;
  color: #fff !important;
  text-shadow: 0 1px 4px rgba(26,35,126,0.18);
}
.card[style*="linear-gradient"], .card.gradient {
  color: #fff !important;
  text-shadow: 0 1px 4px rgba(26,35,126,0.18);
}
.card h3 {
  margin: 0 0 8px;
}
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px 20px 32px 20px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  margin: 0 0 16px;
  font-weight: 700;
  color: var(--text);
}

.hero .sub {
  font-size: clamp(18px, 2.5vw, 24px);
  color: var(--muted);
  max-width: 760px;
  margin: 0 auto 32px;
  line-height: 1.6;
}
.eyebrow {
  color: var(--muted);
  font-weight: 600;
  letter-spacing: .02em;
  margin-bottom: 8px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 8px;
}
.hero-card {
  margin: 44px auto 0;
  max-width: 840px;
  height: 220px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-primary-dark) 60%, var(--theme-primary-light) 100%);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 6px 24px rgba(184,160,130,0.18);
  position: relative;
  backdrop-filter: blur(10px);
}
.hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(transparent 0, rgba(255, 255, 255, .08) 70%);
  mix-blend-mode: overlay;
}
.hero-card h3 {
  margin: 0;
  font-size: clamp(18px, 2.5vw, 28px);
  font-weight: 700;
}

/* Media Grids */
.media-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}

.video {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #000;
}

@media (max-width: 960px) {
  .grid-2,
  .media-grid,
  .video-grid {
    grid-template-columns: 1fr;
  }
  .hero-card {
    height: 180px;
  }
}
@media (max-width: 900px) {
  .nav-hamburger {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    margin-left: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1100;
  }
  .nav-hamburger span {
    display: block;
    width: 28px;
    height: 4px;
    margin: 4px 0;
    background: var(--theme-primary);
    border-radius: 2px;
    transition: all 0.3s;
  }
  .nav {
    display: none;
    flex-direction: column;
    width: 100%;
    background: #fff;
    position: absolute;
    left: 0;
    top: 64px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.08);
    border-bottom-left-radius: 18px;
    border-bottom-right-radius: 18px;
    padding: 16px 0;
    z-index: 1050;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  .nav.nav-open {
    display: flex;
  }
  /* Ensure all nav links are visible, including Mission */
  .nav a {
    display: block;
    padding: 14px 24px;
    font-size: 18px;
    border-radius: 0;
    text-align: left;
    width: 100%;
    margin: 0;
    border-bottom: 1px solid #ede7f6;
    white-space: nowrap;
  }
  .nav-cta {
    display: none;
    width: 100%;
    justify-content: flex-end;
    margin-top: 8px;
  }
  .nav-cta.nav-open {
    display: flex;
  }
  .nav a {
    padding: 14px 24px;
    font-size: 18px;
    border-radius: 0;
    text-align: left;
    width: 100%;
    margin: 0;
    border-bottom: 1px solid #ede7f6;
  }
  .nav a:last-child {
    border-bottom: none;
  }
  .brand img {
    max-width: 110px;
    width: 110px;
  }
  .nav-wrap {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    position: relative;
    width: 100%;
    padding: 8px 8px;
  }
}
@media (min-width: 901px) {
  .nav-hamburger {
    display: none !important;
  }
  .nav {
    display: flex !important;
    position: static;
    flex-direction: row;
    background: none;
    width: auto;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
  }
  .nav-cta {
    display: flex !important;
    width: auto;
    margin-top: 0;
    justify-content: flex-end;
  }
}
@media (max-width: 600px) {
  header, nav {
    flex-direction: column;
    align-items: flex-start;
  }
  main {
    margin: 1rem;
    padding: 0.5rem;
  }
}

* { box-sizing: border-box; }
html {
  height: 100%;
}
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Day/Night Tree Background - The Star of the Show - Extends behind navbar */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* Use WebP for better compression - fallback to PNG */
  /* Modern browsers will use WebP, older browsers fall back to PNG */
  background-image: url('../images/tree-day-pencil.webp');
  background-image: -webkit-image-set(
    url('../images/tree-day-pencil.webp') 1x,
    url('../images/tree-day-pencil.png') 1x
  );
  background-position: center center;
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.35;
  z-index: -2;
  pointer-events: none;
  filter: sepia(10%) brightness(1.0) contrast(1.0);
  transition: opacity 0.5s ease-in-out, filter 0.5s ease-in-out, background-image 0.5s ease-in-out;
  /* Performance optimization */
  will-change: background-image;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  /* Prioritize image loading */
  content-visibility: auto;
}

/* Night mode: When it's between 7 PM (19:00) and 6 AM (06:00) */
body.night-mode::before {
  background-image: url('../images/tree-night-pencil.webp');
  background-image: -webkit-image-set(
    url('../images/tree-night-pencil.webp') 1x,
    url('../images/tree-night-pencil.png') 1x
  );
  background-position: center center;
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.25;
  filter: sepia(5%) brightness(0.95) contrast(0.95);
}

/* Kids Playing Traditional Games Overlay - Very Subtle */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml;utf8,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1400 900"%3E%3Cg opacity="0.15"%3E%3C!-- Kids Playing Games --%3E%3C!-- Killi (Spinning Top) --%3E%3Cg transform="translate(300,650)"%3E%3Ccircle cx="0" cy="0" r="8" fill="%23333" opacity="0.4"/%3E%3Cpath d="M-5,-15 Q0,-20 5,-15 L3,-5 Q0,0 -3,-5 Z" fill="%23333" opacity="0.4"/%3E%3Cpath d="M-8,-8 L8,8 M8,-8 L-8,8" stroke="%23333" stroke-width="1" opacity="0.3"/%3E%3C/g%3E%3C!-- Ring Around the Roses (Kids in Circle) --%3E%3Cg transform="translate(1000,600)"%3E%3Ccircle cx="0" cy="0" r="60" fill="none" stroke="%23333" stroke-width="2" opacity="0.2"/%3E%3Ccircle cx="-40" cy="0" r="6" fill="%23333" opacity="0.3"/%3E%3Ccircle cx="40" cy="0" r="6" fill="%23333" opacity="0.3"/%3E%3Ccircle cx="0" cy="-40" r="6" fill="%23333" opacity="0.3"/%3E%3Ccircle cx="0" cy="40" r="6" fill="%23333" opacity="0.3"/%3E%3Ccircle cx="-28" cy="-28" r="6" fill="%23333" opacity="0.3"/%3E%3Ccircle cx="28" cy="-28" r="6" fill="%23333" opacity="0.3"/%3E%3C/g%3E%3C!-- Kabaddi (Two kids playing) --%3E%3Cg transform="translate(200,700)"%3E%3Cpath d="M-15,-20 Q-15,-25 -10,-25 Q-5,-25 -5,-20 L-5,-5 Q-5,0 -10,0 Q-15,0 -15,-5 Z" fill="%23333" opacity="0.35"/%3E%3Ccircle cx="-10" cy="-35" r="5" fill="%23333" opacity="0.35"/%3E%3Cpath d="M15,-20 Q15,-25 10,-25 Q5,-25 5,-20 L5,-5 Q5,0 10,0 Q15,0 15,-5 Z" fill="%23333" opacity="0.35"/%3E%3Ccircle cx="10" cy="-35" r="5" fill="%23333" opacity="0.35"/%3E%3Cline x1="-5" y1="-25" x2="5" y2="-25" stroke="%23333" stroke-width="1.5" opacity="0.3"/%3E%3C/g%3E%3C!-- Kokko (Tag/Hide and Seek - One kid running) --%3E%3Cg transform="translate(1100,700)"%3E%3Cpath d="M0,-25 Q-5,-30 -10,-25 Q-5,-20 0,-25" fill="%23333" opacity="0.35"/%3E%3Ccircle cx="0" cy="-40" r="5" fill="%23333" opacity="0.35"/%3E%3Cpath d="M-8,-15 L-5,-5 Q0,0 5,-5 L8,-15" fill="%23333" opacity="0.35"/%3E%3Cpath d="M-5,0 L-8,10 M5,0 L8,10" stroke="%23333" stroke-width="2" opacity="0.3"/%3E%3C/g%3E%3C!-- Another game group --%3E%3Cg transform="translate(150,750)"%3E%3Ccircle cx="-20" cy="0" r="6" fill="%23333" opacity="0.3"/%3E%3Ccircle cx="20" cy="0" r="6" fill="%23333" opacity="0.3"/%3E%3Cpath d="M-20,0 Q0,-15 20,0" fill="none" stroke="%23333" stroke-width="1.5" opacity="0.25"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E') center/cover no-repeat;
  opacity: 0.08;
  z-index: -1;
  pointer-events: none;
}

/* Night Mode Stars Container */
#stars-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  background: transparent;
}

#stars-container.night-mode {
  opacity: 1;
}

.star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: white;
  border-radius: 50%;
  animation: twinkle 2s infinite;
}

.star.bright {
  width: 3px;
  height: 3px;
  box-shadow: 0 0 6px white, 0 0 12px white;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}
/* Navbar and nav styles consolidated above */
header {
  background: var(--surface);
  border-bottom: 2px solid var(--theme-primary-pale);
  box-shadow: none;
}
.site-header {
  background: var(--surface);
  border-bottom: 2px solid var(--theme-primary-pale);
}

/* Duplicate nav styles removed - using main @media (max-width: 900px) above */

header img {
  margin-right: 1.5rem;
}

nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: background 0.2s;
}
nav a:hover, nav a.active {
  background: var(--theme-primary);
}
nav a.donate {
  background: #fff;
  color: var(--theme-primary);
  font-weight: 600;
}
.nav a.back-parent {
  background: transparent !important;
  color: inherit !important;
  font-weight: 600;
  height: 140px;
  display: flex;
  align-items: center;
}
main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 1rem;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.site-footer {
  background: rgba(245,245,247,0.95);
  text-align: center;
  padding: 28px 0;
  color: #86868b;
  font-size: 15px;
  margin-top: auto;
  position: relative;
  z-index: 10;
  backdrop-filter: blur(10px);
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Make main content area flexible to push footer down */
body > section:last-of-type {
  flex: 1;
}

.contact .actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 16px;
}

.contact {
  background: var(--surface-2);
  padding: 72px 20px;
}

/* Contact Form Styles */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  padding: 32px;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text);
  font-size: 14px;
}

.form-group .required {
  color: var(--muted);
  font-weight: 400;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid rgba(184,160,130,0.3);
  border-radius: 12px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--theme-primary);
  box-shadow: 0 0 0 3px rgba(184,160,130,0.1);
}

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

.checkbox-group {
  display: flex;
  gap: 24px;
  margin-top: 8px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-weight: 400;
  color: var(--text);
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--theme-primary);
}

.contact-form button[type="submit"] {
  margin-top: 8px;
  width: auto;
  min-width: 120px;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .contact-form {
    padding: 24px 20px;
  }
}

.brand-text {
  color: var(--theme-primary);
  font-weight: 600;
  font-size: 1.2rem;
  margin-left: 8px;
}

.logo-img {
  height: 60px;
  width: auto;
  object-fit: contain;
  display: block;
}

.brand {
  text-decoration: none;
}

.brand-text {
  display: none;
}

.footer-link {
  color: var(--theme-primary);
  text-decoration: underline;
}

.footer-link:hover {
  color: var(--theme-primary-dark);
  text-decoration: underline;
}

footer {
  text-align: center;
  color: var(--muted);
  padding: 2rem 0 1rem 0;
  font-size: 0.95rem;
}
@media (max-width: 600px) {
  header, nav {
    flex-direction: column;
    align-items: flex-start;
  }
  main {
    margin: 1rem;
    padding: 0.5rem;
  }
}