/* ============================================
   Forever Ronghua Foundation - Static Styles
   ============================================ */

/* ---- CSS Variables ---- */
:root {
  --color-cream: #F7F5F0;
  --color-sage: #5A6B5C;
  --color-clay: #B8704D;
  --color-charcoal: #2D2926;
  --color-linen: #EDE8E0;
  --color-sand: #E5DDD2;
  --color-border: #D4CCC2;
  --color-text-secondary: #6B6560;
  --color-text-muted: #9A9590;
  --color-bg-dark: #3D3632;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --container-max: 1400px;
  --container-narrow: 1000px;
  --side-margin: 80px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-cream);
  color: var(--color-charcoal);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

input, textarea {
  font-family: inherit;
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--side-margin);
  padding-right: var(--side-margin);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding-left: var(--side-margin);
  padding-right: var(--side-margin);
}

/* ---- Grid System ---- */
.row {
  display: flex;
  flex-wrap: wrap;
  margin-left: -16px;
  margin-right: -16px;
}

.col {
  flex: 1;
  padding-left: 16px;
  padding-right: 16px;
}

.col-6 {
  flex: 0 0 50%;
  max-width: 50%;
  padding-left: 16px;
  padding-right: 16px;
}

/* ---- Section Spacing ---- */
.section {
  padding-top: 120px;
  padding-bottom: 120px;
}

.section-sm {
  padding-top: 80px;
  padding-bottom: 80px;
}

/* ---- Background Colors ---- */
.bg-cream { background-color: var(--color-cream); }
.bg-linen { background-color: var(--color-linen); }
.bg-sage { background-color: var(--color-sage); }
.bg-dark { background-color: var(--color-bg-dark); }

/* ============================================
   TYPOGRAPHY
   ============================================ */

.font-display {
  font-family: var(--font-display);
}

.font-body {
  font-family: var(--font-body);
}

/* ---- Headings ---- */
.heading-hero {
  font-family: var(--font-display);
  font-size: 72px;
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.heading-1 {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.heading-2 {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.heading-3 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  line-height: 1.2;
}

.heading-4 {
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
}

/* ---- Body Text ---- */
.text-body {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.7;
}

.text-body-sm {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

.text-caption {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---- Colors ---- */
.text-cream { color: var(--color-cream); }
.text-sage { color: var(--color-sage); }
.text-clay { color: var(--color-clay); }
.text-charcoal { color: var(--color-charcoal); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-cream-70 { color: rgba(247, 245, 240, 0.7); }
.text-cream-80 { color: rgba(247, 245, 240, 0.8); }
.text-white-70 { color: rgba(255, 255, 255, 0.7); }
.text-white-85 { color: rgba(255, 255, 255, 0.85); }

/* ---- Alignment ---- */
.text-center { text-align: center; }
.text-left { text-align: left; }

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background-color 0.4s ease, box-shadow 0.4s ease, color 0.4s ease;
}

.nav--light {
  background-color: transparent;
  color: var(--color-cream);
}

.nav--solid {
  background-color: var(--color-cream);
  box-shadow: 0 1px 0 var(--color-border);
  color: var(--color-charcoal);
}

.nav__inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--side-margin);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  position: relative;
  padding-bottom: 4px;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.nav__link:hover {
  opacity: 1;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--color-clay);
  transition: width 0.3s ease;
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__link--active {
  opacity: 1;
  border-bottom: 2px solid var(--color-clay);
}

/* ---- Mobile Hamburger ---- */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 60;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background-color: currentColor;
  transition: all 0.3s ease;
}

.nav__hamburger.is-open span:nth-child(1) {
  transform: rotate(45deg) translate(4.5px, 4.5px);
}

.nav__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.is-open span:nth-child(3) {
  transform: rotate(-45deg) translate(4.5px, -4.5px);
}

/* ---- Mobile Menu ---- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 40;
  background-color: var(--color-cream);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--color-charcoal);
  transition: color 0.3s ease;
}

.mobile-menu a:hover {
  color: var(--color-clay);
}

/* ============================================
   HERO SLIDESHOW
   ============================================ */

.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
}

.hero__slide.active {
  opacity: 1;
  z-index: 1;
}

.hero__slide-bg {
  position: absolute;
  inset: 0;
  transform: scale(1);
  transition: transform 8s ease-out;
}

.hero__slide.active .hero__slide-bg {
  transform: scale(1.05);
}

.hero__slide-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.38);
}

.hero__content {
  position: relative;
  z-index: 10;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--nav-height);
}

.hero__slide-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 24px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  pointer-events: none;
}

.hero__slide.active .hero__slide-content {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.hero__pretitle {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(247, 245, 240, 0.9);
  margin-bottom: 16px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: 72px;
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-cream);
  max-width: 800px;
}

.hero__title em {
  font-style: italic;
}

.hero__dots {
  position: absolute;
  left: 40px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
}

.hero__dot.active {
  background-color: rgba(255, 255, 255, 0.9);
  transform: scale(1.1);
}

.hero__dot:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

.hero__banner {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 20;
  background-color: rgba(237, 232, 224, 0.95);
  backdrop-filter: blur(4px);
  text-align: center;
  padding: 16px 24px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-charcoal);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  padding: 14px 36px;
  border-radius: 9999px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn--primary {
  background-color: var(--color-clay);
  color: var(--color-cream);
}

.btn--primary:hover {
  background-color: #A56340;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(184, 112, 77, 0.3);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-charcoal);
  border: 1.5px solid var(--color-charcoal);
  padding: 12px 32px;
}

.btn--secondary:hover {
  background-color: var(--color-charcoal);
  color: var(--color-cream);
}

.btn--light {
  background-color: var(--color-cream);
  color: var(--color-sage);
}

.btn--light:hover {
  background-color: #fff;
  transform: translateY(-2px);
}

.btn--full {
  width: 100%;
}

/* ---- Text Link ---- */
.link-arrow {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-clay);
  transition: color 0.3s ease;
}

.link-arrow:hover {
  color: #A56340;
}

/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header__subtitle {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.section-header__title {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-charcoal);
  margin-bottom: 16px;
}

.section-header__line {
  width: 40px;
  height: 2px;
  background-color: var(--color-clay);
  margin: 0 auto;
}

/* ---- Subtitle with side lines (Events page) ---- */
.section-header--lines {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
}

.section-header--lines::before,
.section-header--lines::after {
  content: '';
  width: 60px;
  height: 1px;
  background-color: var(--color-border);
}

/* ============================================
   MISSION SECTION
   ============================================ */

.mission-grid {
  display: grid;
  grid-template-columns: 45% 50%;
  gap: 5%;
  align-items: start;
}

.mission__subtitle {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.mission__body {
  padding-top: 8px;
}

.mission__body p {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-charcoal);
  margin-bottom: 24px;
}

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

/* ============================================
   RONGHUA INTRO
   ============================================ */

.intro__deco {
  width: 100px;
  height: 1px;
  background-color: var(--color-border);
  margin: 0 auto 32px;
}

.intro__subtitle {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-clay);
  margin-bottom: 16px;
  text-align: center;
}

.intro__body {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.intro__body p {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-charcoal);
  margin-bottom: 24px;
}

/* ============================================
   PROGRAM CARDS
   ============================================ */

.programs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.program-card {
  background-color: var(--color-linen);
  border-radius: 16px;
  padding: 40px;
  transition: all 0.3s ease;
}

.program-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.program-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(90, 107, 92, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-sage);
  margin-bottom: 24px;
}

.program-card__title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  color: var(--color-charcoal);
  margin-bottom: 12px;
}

.program-card__desc {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

/* ============================================
   IMPACT NUMBERS
   ============================================ */

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
  margin-top: 64px;
}

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

.number-item__value {
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-cream);
}

.number-item__label {
  font-family: var(--font-body);
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 12px;
}

/* ============================================
   GALLERY
   ============================================ */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.gallery-item {
  aspect-ratio: 3 / 2;
  border-radius: 16px;
  overflow: hidden;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.03);
}

/* ---- Event Photo Grid ---- */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.photo-item {
  aspect-ratio: 3 / 2;
  border-radius: 8px;
  overflow: hidden;
}

.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.photo-item:hover img {
  transform: scale(1.03);
}

.event-group {
  margin-bottom: 48px;
}

.event-group__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.event-group__header h3 {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.event-group__header .line {
  flex: 1;
  height: 1px;
  background-color: var(--color-border);
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 45% 50%;
  gap: 5%;
  align-items: start;
}

.contact__email {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.contact__email svg {
  color: var(--color-clay);
  flex-shrink: 0;
}

.contact__email a {
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--color-clay);
  transition: color 0.3s ease;
}

.contact__email a:hover {
  color: #A56340;
}

.contact__socials {
  display: flex;
  align-items: center;
  gap: 20px;
}

.contact__socials a {
  color: var(--color-charcoal);
  transition: color 0.3s ease;
}

.contact__socials a:hover {
  color: var(--color-clay);
}

/* ---- Contact Form ---- */
.contact-form__card {
  background-color: var(--color-cream);
  border-radius: 16px;
  padding: 48px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-input {
  width: 100%;
  background-color: var(--color-sand);
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-charcoal);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input::placeholder {
  color: rgba(45, 41, 38, 0.4);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-sage);
  box-shadow: 0 0 0 3px rgba(90, 107, 92, 0.15);
}

textarea.form-input {
  resize: none;
}

.form-success {
  text-align: center;
  padding: 48px 0;
}

.form-success svg {
  margin: 0 auto 16px;
  color: var(--color-sage);
}

.form-success h3 {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--color-charcoal);
  margin-bottom: 8px;
}

.form-success p {
  font-family: var(--font-body);
  color: var(--color-text-secondary);
}

/* ============================================
   FAQ
   ============================================ */

.faq-list {
  max-width: 1000px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-linen);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  text-align: left;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-charcoal);
  cursor: pointer;
  transition: background-color 0.2s ease;
  border: none;
  background: none;
}

.faq-item__question:hover {
  background-color: rgba(237, 232, 224, 0.8);
}

.faq-item__icon {
  font-size: 20px;
  font-weight: 300;
  color: var(--color-clay);
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform 0.3s ease;
}

.faq-item.is-open .faq-item__icon {
  transform: rotate(45deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.4s ease;
  opacity: 0;
}

.faq-item.is-open .faq-item__answer {
  max-height: 500px;
  opacity: 1;
}

.faq-item__answer-inner {
  padding: 0 32px 24px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

/* ============================================
   CTA BANNER
   ============================================ */

.cta-banner {
  text-align: center;
  padding: 80px var(--side-margin);
}

.cta-banner__inner {
  max-width: 700px;
  margin: 0 auto;
}

.cta-banner h3 {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--color-cream);
  margin-bottom: 12px;
}

.cta-banner p {
  font-family: var(--font-body);
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background-color: var(--color-bg-dark);
  color: rgba(247, 245, 240, 0.7);
}

.footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 80px var(--side-margin) 40px;
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
}

.footer__col h4 {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--color-cream);
  margin-bottom: 24px;
}

.footer__col p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: rgba(247, 245, 240, 0.5);
  margin-bottom: 24px;
}

.footer__col ul {
  list-style: none;
}

.footer__col ul li {
  margin-bottom: 12px;
}

.footer__col ul li a {
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(247, 245, 240, 0.5);
  transition: color 0.3s ease;
}

.footer__col ul li a:hover {
  color: var(--color-cream);
}

.footer__socials {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer__socials a {
  color: rgba(247, 245, 240, 0.6);
  transition: color 0.3s ease;
}

.footer__socials a:hover {
  color: var(--color-cream);
}

.footer__bottom {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__bottom p,
.footer__bottom a {
  font-family: var(--font-body);
  font-size: 12px;
  color: rgba(247, 245, 240, 0.4);
}

.footer__bottom a:hover {
  color: rgba(247, 245, 240, 0.7);
}

.footer__bottom-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer__bottom-links span {
  color: rgba(247, 245, 240, 0.2);
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */

.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger delays */
.stagger-1 { transition-delay: 0.08s; }
.stagger-2 { transition-delay: 0.16s; }
.stagger-3 { transition-delay: 0.24s; }
.stagger-4 { transition-delay: 0.32s; }
.stagger-5 { transition-delay: 0.40s; }
.stagger-6 { transition-delay: 0.48s; }
.stagger-7 { transition-delay: 0.56s; }
.stagger-8 { transition-delay: 0.64s; }
.stagger-9 { transition-delay: 0.72s; }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  :root {
    --side-margin: 40px;
  }

  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .heading-hero {
    font-size: 56px;
  }

  .heading-1 {
    font-size: 48px;
  }

  .heading-2 {
    font-size: 36px;
  }

  .mission-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

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

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

  .hero__dots {
    left: 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  :root {
    --side-margin: 24px;
  }

  .section {
    padding-top: 80px;
    padding-bottom: 80px;
  }

  .heading-hero {
    font-size: 40px;
  }

  .heading-1 {
    font-size: 36px;
  }

  .heading-2 {
    font-size: 28px;
  }

  .hero__title {
    font-size: 40px;
  }

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

  .numbers-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .number-item__value {
    font-size: 48px;
  }

  .gallery-grid,
  .photo-grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .hero__dots {
    display: none;
  }

  .contact-form__card {
    padding: 32px 24px;
  }

  .cta-banner {
    padding: 60px 24px;
  }
}