/* Sudarsanam Sadhu Seva Kendram — Deep Navy + Glassmorphism */

:root {
  --navy-deep: #060d1a;
  --navy: #0a1e3d;
  --navy-mid: #132847;
  --navy-light: #1e3a5f;
  --accent: #4da3ff;
  --accent-glow: rgba(77, 163, 255, 0.55);
  /* Warm accent from logo (hexagram / flame) — paired with primary blue */
  --brand-warm: #e85d2b;
  --brand-warm-soft: rgba(232, 93, 43, 0.35);
  --white: #f5f8ff;
  --muted: #9db4d4;
  --glass: rgba(255, 255, 255, 0.07);
  --glass-border: rgba(255, 255, 255, 0.14);
  --radius: 18px;
  --font: "DM Sans", system-ui, sans-serif;
  --display: "Outfit", var(--font);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--white);
  background: var(--navy-deep);
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

/* —— Nav —— */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0.85rem 1.5rem;
  background: rgba(6, 13, 26, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
}

.site-nav__inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--white);
  font-family: var(--display);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
  opacity: 0.92;
}

.brand__mark {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12), 0 4px 14px rgba(0, 0, 0, 0.35);
  background: rgba(255, 255, 255, 0.04);
}

.brand img:not(.brand__mark),
.brand svg {
  width: 44px;
  height: 44px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.92rem;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--white);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  width: 20px;
  margin: 0 auto;
  background: var(--white);
  border-radius: 1px;
}

.nav-links .nav-donate {
  padding: 0.45rem 0.95rem;
  font-size: 0.82rem;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 1rem;
    left: 1rem;
    max-width: 360px;
    margin-left: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem;
    background: rgba(8, 14, 28, 0.96);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav-links li:last-child {
    border-bottom: none;
  }

  .nav-links a {
    display: block;
    padding: 0.65rem 0.5rem;
    font-size: 0.95rem;
  }

  .nav-links .nav-donate {
    text-align: center;
    margin-top: 0.35rem;
  }

  .site-nav__inner {
    position: relative;
  }
}

/* —— Welcome popup dialog —— */
.welcome-popup {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  box-sizing: border-box;
}

.welcome-popup.is-hidden {
  display: none !important;
}

.welcome-popup__overlay {
  position: absolute;
  inset: 0;
  background: rgba(4, 10, 22, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
}

.welcome-popup__box {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 520px;
  padding: clamp(2rem, 4vw, 2.75rem) clamp(1.5rem, 3.5vw, 2.5rem);
  text-align: center;
  background: rgba(6, 13, 26, 0.78);
  backdrop-filter: blur(28px) saturate(140%);
  -webkit-backdrop-filter: blur(28px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: clamp(18px, 2.5vw, 26px);
  box-shadow:
    0 4px 28px rgba(0, 0, 0, 0.3),
    0 32px 64px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  animation: popup-enter 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes popup-enter {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.welcome-popup__close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.welcome-popup__close:hover {
  background: rgba(232, 93, 43, 0.25);
  border-color: var(--brand-warm);
  transform: scale(1.1);
}

.welcome-popup__title {
  font-family: var(--display);
  font-size: clamp(1.85rem, 4.5vw, 2.75rem);
  font-weight: 600;
  margin: 0 0 0.75rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
  text-shadow:
    0 1px 2px rgba(0, 0, 0, 0.5),
    0 8px 48px rgba(0, 0, 0, 0.4);
}

.welcome-popup__box .hero__motto {
  margin-bottom: 1.75rem;
}

body.popup-active {
  overflow: hidden;
}

/* —— Hero slider + glass card —— */
.hero {
  position: relative;
  text-align: center;
  padding: 0;
  overflow: hidden;
  height: min(48vh, 460px);
  min-height: 260px;
}

@supports (height: 1dvh) {
  .hero {
    height: min(48dvh, 460px);
  }
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--navy-deep);
}

.hero-slider {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.hero-slider__track {
  display: flex;
  height: 100%;
  transition: transform 0.9s cubic-bezier(0.25, 0.8, 0.25, 1);
  will-change: transform;
}

.hero-slider__slide {
  flex: 0 0 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  min-width: 0;
  min-height: 0;
}


.hero-slider__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

/* Portrait poster — inset: 0 makes the img box exactly the slide box,
   object-fit: contain scales the full bitmap to fit with no crop */
.hero-slider__slide--portrait {
  background: var(--navy-deep);
}

.hero-slider__slide--portrait img {
  position: absolute !important;
  inset: 0 !important;
  top: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  max-width: 100% !important;
  object-fit: contain !important;
  object-position: center center !important;
  transform: none !important;
  display: block !important;
}

.hero-slider__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  background: rgba(6, 13, 26, 0.5);
  color: var(--white);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hero-slider__arrow:hover {
  background: rgba(77, 163, 255, 0.25);
  border-color: var(--accent);
}

.hero-slider__arrow--prev {
  left: 1rem;
}

.hero-slider__arrow--next {
  right: 1rem;
}

.hero-slider__dots {
  position: absolute;
  bottom: 1.25rem;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  z-index: 4;
}

.hero-slider__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.2);
  padding: 0;
  cursor: pointer;
  transition: transform 0.25s, background 0.25s, border-color 0.25s;
}

.hero-slider__dot.is-active {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.25);
}

@media (prefers-reduced-motion: reduce) {
  .hero-slider__track {
    transition: none;
  }
}

.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(
      180deg,
      rgba(4, 10, 22, 0.18) 0%,
      rgba(4, 10, 22, 0) 30%,
      rgba(4, 10, 22, 0) 70%,
      rgba(4, 10, 22, 0.15) 100%
    );
}

.hero__float {
  position: absolute;
  z-index: 3;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(4rem, 10vh, 5.5rem) 1.25rem 2rem;
  pointer-events: none;
  box-sizing: border-box;
}

.hero__float .hero__content,
.hero__float .hero__actions a {
  pointer-events: auto;
}

@keyframes hero-float-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__content {
  position: relative;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  padding: clamp(1.35rem, 3vw, 2rem) clamp(1.25rem, 3vw, 2.25rem);
  text-align: center;
  background: rgba(6, 13, 26, 0.66);
  backdrop-filter: blur(26px) saturate(145%);
  -webkit-backdrop-filter: blur(26px) saturate(145%);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: clamp(18px, 2.5vw, 26px);
  box-shadow:
    0 4px 28px rgba(0, 0, 0, 0.28),
    0 36px 72px rgba(0, 0, 0, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  animation: hero-float-in 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero__badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(77, 163, 255, 0.12);
  border: 1px solid rgba(77, 163, 255, 0.35);
  margin-bottom: 1.25rem;
  box-shadow: 0 0 20px var(--brand-warm-soft);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.35rem);
  margin: 0 0 0.75rem;
  text-shadow:
    0 1px 2px rgba(0, 0, 0, 0.5),
    0 8px 48px rgba(0, 0, 0, 0.45);
  letter-spacing: -0.03em;
}

.hero__motto {
  font-size: clamp(1.15rem, 2.5vw, 1.5rem);
  margin: 0 0 1.75rem;
  font-weight: 500;
  color: rgba(200, 218, 240, 0.95);
  font-style: italic;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* —— Buttons —— */
.btn-donate-now {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.95rem 1.75rem;
  border-radius: 999px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--navy-deep);
  background: linear-gradient(135deg, #ffffff 0%, #dce8ff 100%);
  border: none;
  cursor: pointer;
  text-decoration: none;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.5),
    0 0 40px var(--accent-glow),
    0 8px 32px rgba(0, 0, 0, 0.35);
  animation: pulse-glow 3s ease-in-out infinite;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-donate-now:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.6),
    0 0 56px var(--accent-glow),
    0 12px 40px rgba(0, 0, 0, 0.4);
  text-decoration: none;
  color: var(--navy-deep);
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.5), 0 0 36px var(--accent-glow), 0 8px 32px rgba(0, 0, 0, 0.35); }
  50% { box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.55), 0 0 52px var(--accent-glow), 0 10px 36px rgba(0, 0, 0, 0.38); }
}

.btn-futuristic-glow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(77, 163, 255, 0.65);
  text-decoration: none;
  box-shadow: inset 0 0 24px rgba(77, 163, 255, 0.15), 0 0 28px rgba(77, 163, 255, 0.2);
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.btn-futuristic-glow:hover {
  background: rgba(77, 163, 255, 0.16);
  border-color: var(--accent);
  text-decoration: none;
  color: var(--white);
  transform: translateY(-2px);
}

.btn-donate-now__icon {
  font-size: 0.6rem;
  line-height: 1;
  color: var(--brand-warm);
  filter: drop-shadow(0 0 6px var(--brand-warm-soft));
}

.btn-futuristic-glow--hero {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 8px 32px rgba(0, 0, 0, 0.25);
}

.btn-futuristic-glow--hero:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(77, 163, 255, 0.75);
}

@media (prefers-reduced-motion: reduce) {
  .hero__content {
    animation: none;
  }

  .welcome-dialog__card {
    animation: none;
  }
}

.section-link {
  color: var(--accent);
  font-size: 0.95rem;
  margin-top: 1.5rem;
  display: inline-block;
}

/* —— Sections —— */
main section {
  position: relative;
  padding: 4.5rem 1.5rem;
}

.section__inner {
  max-width: 1120px;
  margin: 0 auto;
}

.section__title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin: 0 0 0.5rem;
}

.section__lead {
  color: var(--muted);
  max-width: 640px;
  margin: 0 0 2rem;
}

.glass-panel {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
}

/* Scroll reveal */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="slide-left"] {
  transform: translateX(36px);
}

[data-animate="slide-left"].is-visible {
  transform: translateX(0);
}

[data-animate="slide-right"] {
  transform: translateX(-36px);
}

[data-animate="slide-right"].is-visible {
  transform: translateX(0);
}

/* —— About —— */
.about {
  background: linear-gradient(180deg, var(--navy-deep) 0%, var(--navy-mid) 50%, var(--navy-deep) 100%);
}

.about__text p {
  color: #c8d6ea;
  margin: 0 0 1rem;
}

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

/* —— Project / Services cards 3D —— */
.project,
.services {
  background: var(--navy-deep);
}

.services__subhead {
  font-family: var(--display);
  font-size: 1.35rem;
  margin: 3rem 0 0.5rem;
}

.services__blueprint {
  margin-top: 0.5rem;
}

.services__blueprint .section__lead {
  margin-bottom: 1.25rem;
}

/* —— News —— */
.news {
  background: linear-gradient(180deg, var(--navy-deep) 0%, var(--navy-mid) 45%, var(--navy-deep) 100%);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.news-card {
  padding: 1.5rem 1.35rem;
}

.news-card__date {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.65rem;
}

.news-card__title {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
}

.news-card__excerpt {
  margin: 0;
  color: #c8d6ea;
  font-size: 0.95rem;
}

/* —— Contact —— */
.contact {
  background: var(--navy-deep);
  border-top: 1px solid var(--glass-border);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.contact-card h3 {
  font-size: 1rem;
  margin: 0 0 0.75rem;
}

.contact-card p {
  margin: 0;
  color: #c8d6ea;
  font-size: 0.95rem;
}

.contact-card__note {
  margin-top: 0.65rem !important;
  font-size: 0.85rem !important;
  color: var(--muted) !important;
}

.contact-map-wrap {
  padding: 1.35rem 1.25rem;
  margin-bottom: 2rem;
}

.contact-map__title {
  font-size: 1.1rem;
  margin: 0 0 0.35rem;
}

.contact-map__hint {
  font-size: 0.88rem;
  color: var(--muted);
  margin: 0 0 1rem;
}

.contact-map {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  aspect-ratio: 16 / 9;
  max-height: 380px;
  background: var(--navy-mid);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.cta-strip--inline {
  text-align: center;
  padding: 2.25rem 1.5rem;
  border-radius: var(--radius);
  background: radial-gradient(ellipse 80% 100% at 50% 100%, rgba(77, 163, 255, 0.18), rgba(19, 40, 71, 0.5));
  border: 1px solid var(--glass-border);
}

.cta-strip--inline .cta-strip__title {
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
}

.cta-strip--inline p {
  color: var(--muted);
  margin: 0 0 1.25rem;
  max-width: none;
}

.cards-3d {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  perspective: 1200px;
}

.card-3d {
  position: relative;
  padding: 1.75rem 1.5rem;
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(30, 58, 95, 0.55) 0%, rgba(10, 30, 61, 0.85) 100%);
  border: 1px solid var(--glass-border);
  transform-style: preserve-3d;
  transform: rotateX(2deg) translateZ(0);
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.card-3d:hover {
  transform: rotateX(0deg) translateY(-8px) translateZ(12px);
  box-shadow:
    0 28px 56px rgba(0, 0, 0, 0.45),
    0 0 40px rgba(77, 163, 255, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.card-3d__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(77, 163, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.35rem;
}

.card-3d h3 {
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
}

.card-3d p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.card-3d--highlight {
  background: linear-gradient(145deg, rgba(77, 163, 255, 0.25) 0%, rgba(10, 30, 61, 0.9) 100%);
  border-color: rgba(77, 163, 255, 0.35);
}

.card-3d--highlight .card-3d__stat {
  font-size: 1.85rem;
  font-family: var(--display);
  font-weight: 700;
  color: var(--white);
  margin-top: 0.35rem;
}

/* —— Floor plan / Blueprint —— */
.floor {
  background: linear-gradient(180deg, var(--navy-deep) 0%, #0a1528 100%);
}

.blueprint {
  position: relative;
  border-radius: var(--radius);
  border: 2px dashed rgba(77, 163, 255, 0.4);
  background: rgba(5, 12, 28, 0.85);
  padding: 1.5rem;
  overflow: hidden;
}

.blueprint__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.blueprint__label {
  font-family: var(--display);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.blueprint__area {
  font-size: 1.35rem;
  font-weight: 600;
}

.blueprint__frame {
  position: relative;
  border-radius: 12px;
  overflow: auto;
  background: #060d1a;
  min-height: 280px;
}

.blueprint__frame--drawing {
  background: #b8d4e8;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.blueprint__frame img {
  width: 100%;
  object-fit: contain;
  max-height: min(70vh, 720px);
  margin: 0 auto;
  cursor: zoom-in;
  transition: transform 0.4s ease;
}

.blueprint__frame img:hover {
  transform: scale(1.02);
}

.blueprint__fallback {
  padding: 2rem;
  text-align: center;
  color: var(--muted);
}

.blueprint__zones {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 1.25rem;
}

@media (max-width: 640px) {
  .blueprint__zones {
    grid-template-columns: 1fr;
  }
}

.zone {
  padding: 0.85rem 1rem;
  border-radius: 10px;
  background: rgba(77, 163, 255, 0.08);
  border: 1px solid rgba(77, 163, 255, 0.2);
  font-size: 0.88rem;
  cursor: default;
  transition: background 0.25s, transform 0.25s, border-color 0.25s;
}

.zone:hover {
  background: rgba(77, 163, 255, 0.18);
  border-color: rgba(77, 163, 255, 0.45);
  transform: translateY(-2px);
}

.zone strong {
  display: block;
  color: var(--white);
  font-size: 0.95rem;
}

/* —— CTA strip —— */
.cta-strip {
  text-align: center;
  padding: 4rem 1.5rem;
  background: radial-gradient(ellipse 70% 80% at 50% 100%, rgba(77, 163, 255, 0.22), transparent),
    var(--navy-mid);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.cta-strip p {
  max-width: 520px;
  margin: 0 auto 1.5rem;
  color: var(--muted);
}

/* —— Footer —— */
.site-footer {
  padding: 3rem 1.5rem;
  background: var(--navy-deep);
  border-top: 1px solid var(--glass-border);
}

.site-footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.site-footer h3 {
  font-size: 1rem;
  margin: 0 0 0.75rem;
  color: var(--white);
}

.site-footer p,
.site-footer a {
  font-size: 0.92rem;
  color: var(--muted);
  margin: 0.25rem 0;
}

.site-footer a:hover {
  color: var(--accent);
}

.reg-highlight {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  background: rgba(77, 163, 255, 0.12);
  border: 1px solid rgba(77, 163, 255, 0.35);
  color: var(--white);
  font-weight: 600;
  font-size: 0.9rem;
}

/* —— Payment page —— */
.payment-page {
  min-height: 100vh;
  padding: 5.5rem 1.25rem 3rem;
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%);
}

.payment-container {
  max-width: 480px;
  margin: 0 auto;
  padding: 2rem 1.75rem;
  background: var(--glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}

.payment-container h2 {
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
}

.payment-container > p {
  color: var(--muted);
  margin: 0 0 1.5rem;
}

.payment-container__qr {
  display: flex;
  justify-content: center;
  margin-bottom: 0.25rem;
}

#qrcode {
  display: inline-block;
  padding: 1rem;
  background: #ffffff;
  border-radius: 12px;
  margin-bottom: 1.5rem;
}

#qrcode canvas,
#qrcode img,
.payment-qr-img {
  display: block;
  margin: 0 auto;
  max-width: min(260px, 88vw);
  height: auto;
}

.upi-copy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.upi-copy code {
  background: rgba(0, 0, 0, 0.35);
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  font-size: 0.85rem;
  word-break: break-all;
  color: #b8d4ff;
}

.bank-details {
  text-align: left;
  padding: 1.25rem;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--glass-border);
}

.bank-details p {
  margin: 0.5rem 0;
  font-size: 0.92rem;
  color: #c8d6ea;
}

.bank-details strong {
  color: var(--white);
}

.back-home {
  display: inline-block;
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.back-home:hover {
  color: var(--accent);
}

.nav-spacer {
  height: 72px;
}