/* ======================================================
   Together for Peace — Design System & Styles
   ====================================================== */

/* --- Custom Properties --- */
:root {
  --clr-primary: #1a237e;
  --clr-primary-light: #283593;
  --clr-primary-dark: #0d1442;
  --clr-accent: #f9a825;
  --clr-accent-soft: #fdd835;
  --clr-white: #ffffff;
  --clr-off-white: #f5f7fa;
  --clr-gray-100: #e8eaf0;
  --clr-gray-200: #c5cae9;
  --clr-gray-600: #546e7a;
  --clr-gray-800: #263238;
  --clr-text: #2c3e50;
  --clr-text-light: #607d8b;

  --ff-heading: 'Playfair Display', Georgia, serif;
  --ff-body: 'Inter', 'Segoe UI', sans-serif;

  --fs-hero: clamp(2.4rem, 5vw, 4.2rem);
  --fs-h2: clamp(1.8rem, 3vw, 2.6rem);
  --fs-h3: clamp(1.2rem, 2vw, 1.4rem);
  --fs-body: clamp(0.95rem, 1.2vw, 1.1rem);
  --fs-small: 0.875rem;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(26, 35, 126, 0.08);
  --shadow-md: 0 8px 30px rgba(26, 35, 126, 0.12);
  --shadow-lg: 0 16px 48px rgba(26, 35, 126, 0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  color: var(--clr-text);
  line-height: 1.7;
  background: var(--clr-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition);
  background: transparent;
}

.header.scrolled {
  background: rgba(26, 35, 126, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.5rem 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header__logo img {
  height: 55px;
  width: auto;
  transition: height var(--transition);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.header.scrolled .header__logo img {
  height: 40px;
}

.header__logo-text {
  font-family: var(--ff-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: 0.5px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.header__logo-text span {
  color: var(--clr-accent);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  border-radius: 8px;
  transition: all var(--transition);
  letter-spacing: 0.3px;
}

.nav__link:hover,
.nav__link.active {
  color: var(--clr-accent);
  background: rgba(255, 255, 255, 0.1);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: url('img/hero-bg.png') center/cover no-repeat;
  z-index: 0;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13, 20, 66, 0.85) 0%,
    rgba(26, 35, 126, 0.7) 50%,
    rgba(40, 53, 147, 0.6) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: var(--space-md);
}

.hero__badge {
  display: inline-block;
  padding: 0.4rem 1.5rem;
  background: rgba(249, 168, 37, 0.2);
  border: 1px solid rgba(249, 168, 37, 0.4);
  border-radius: 50px;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--clr-accent);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.hero__title {
  font-family: var(--ff-heading);
  font-size: var(--fs-hero);
  font-weight: 700;
  color: var(--clr-white);
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

.hero__title em {
  font-style: normal;
  color: var(--clr-accent);
}

.hero__subtitle {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-md);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.hero__cta {
  display: inline-flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
}

/* Float animation for hero */
.hero__content {
  animation: heroFloat 6s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.75rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6), transparent);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--ff-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  letter-spacing: 0.3px;
}

.btn--primary {
  background: var(--clr-accent);
  color: var(--clr-primary-dark);
  border-color: var(--clr-accent);
}

.btn--primary:hover {
  background: var(--clr-accent-soft);
  border-color: var(--clr-accent-soft);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(249, 168, 37, 0.4);
}

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

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--clr-white);
  transform: translateY(-2px);
}

.btn--secondary {
  background: var(--clr-primary);
  color: var(--clr-white);
  border-color: var(--clr-primary);
}

.btn--secondary:hover {
  background: var(--clr-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(26, 35, 126, 0.3);
}

/* --- Sections --- */
.section {
  padding: var(--space-xl) 0;
}

.section--alt {
  background: var(--clr-off-white);
}

.section--dark {
  background: linear-gradient(135deg, var(--clr-primary-dark) 0%, var(--clr-primary) 100%);
  color: var(--clr-white);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-lg);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section__tag {
  display: inline-block;
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--clr-accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-xs);
}

.section__title {
  font-family: var(--ff-heading);
  font-size: var(--fs-h2);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.section--dark .section__title {
  color: var(--clr-white);
}

.section__subtitle {
  color: var(--clr-text-light);
  font-size: var(--fs-body);
  line-height: 1.7;
}

.section--dark .section__subtitle {
  color: rgba(255, 255, 255, 0.75);
}

.section__divider {
  width: 60px;
  height: 3px;
  background: var(--clr-accent);
  margin: var(--space-sm) auto 0;
  border-radius: 2px;
}

/* --- About Section --- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.about__image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about__image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 2px solid rgba(249, 168, 37, 0.3);
  pointer-events: none;
}

.about__image-wrapper img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about__content h3 {
  font-family: var(--ff-heading);
  font-size: var(--fs-h3);
  color: var(--clr-primary);
  margin-bottom: var(--space-xs);
}

.about__content p {
  margin-bottom: var(--space-sm);
  color: var(--clr-text);
  line-height: 1.8;
}

.about__motto {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: linear-gradient(135deg, rgba(26, 35, 126, 0.05), rgba(249, 168, 37, 0.08));
  border-left: 4px solid var(--clr-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-top: var(--space-md);
}

.about__motto-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.about__motto-text {
  font-family: var(--ff-heading);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--clr-primary);
}

.about__motto-text strong {
  color: var(--clr-accent);
  display: block;
  font-size: 1.2rem;
  font-style: normal;
}

/* --- Stats --- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.stat {
  text-align: center;
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition);
}

.stat:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.stat__icon {
  font-size: 2.2rem;
  margin-bottom: var(--space-xs);
}

.stat__number {
  font-family: var(--ff-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--clr-accent);
}

.stat__label {
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.7);
  margin-top: 0.25rem;
}

/* --- Projects --- */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.project-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid var(--clr-gray-100);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  opacity: 0;
  transition: opacity var(--transition);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.project-card:hover::before {
  opacity: 1;
}

.project-card__icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(26, 35, 126, 0.08), rgba(249, 168, 37, 0.1));
  border-radius: 16px;
  font-size: 1.8rem;
  margin-bottom: var(--space-sm);
}

.project-card__title {
  font-family: var(--ff-heading);
  font-size: var(--fs-h3);
  color: var(--clr-primary);
  margin-bottom: var(--space-xs);
}

.project-card__text {
  color: var(--clr-text-light);
  font-size: var(--fs-small);
  line-height: 1.7;
}

/* --- Donate --- */
.donate__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.donate__content p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-sm);
  line-height: 1.8;
}

.donate__bank {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  padding: var(--space-md);
  backdrop-filter: blur(8px);
}

.donate__bank h3 {
  font-family: var(--ff-heading);
  font-size: 1.2rem;
  color: var(--clr-accent);
  margin-bottom: var(--space-sm);
}

.donate__bank-detail {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: var(--fs-small);
}

.donate__bank-detail:last-child {
  border-bottom: none;
}

.donate__bank-label {
  color: rgba(255, 255, 255, 0.6);
}

.donate__bank-value {
  font-weight: 600;
  color: var(--clr-white);
}

.donate__cta-area {
  text-align: center;
  margin-top: var(--space-md);
}

.donate__impact {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.donate__impact-card {
  text-align: center;
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition);
}

.donate__impact-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

.donate__impact-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-xs);
}

.donate__impact-title {
  font-family: var(--ff-heading);
  font-size: 1rem;
  color: var(--clr-accent);
  margin-bottom: 0.25rem;
}

.donate__impact-text {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
}

/* --- Volunteer --- */
.volunteer__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.volunteer__content p {
  color: var(--clr-text);
  margin-bottom: var(--space-sm);
  line-height: 1.8;
}

.volunteer__areas {
  display: grid;
  gap: 0.75rem;
}

.volunteer__area {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.85rem var(--space-sm);
  background: var(--clr-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid var(--clr-gray-100);
}

.volunteer__area:hover {
  transform: translateX(6px);
  border-color: var(--clr-accent);
  box-shadow: var(--shadow-md);
}

.volunteer__area-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
  color: var(--clr-white);
  border-radius: 10px;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.volunteer__area-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--clr-primary);
}

/* --- Contact --- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact__info-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.contact__info-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
  color: var(--clr-white);
  border-radius: 14px;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact__info-title {
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 0.2rem;
}

.contact__info-text {
  color: var(--clr-text-light);
  font-size: var(--fs-small);
}

.contact__form {
  background: var(--clr-white);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--clr-gray-100);
}

.form__group {
  margin-bottom: var(--space-sm);
}

.form__label {
  display: block;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--clr-text);
  margin-bottom: 0.35rem;
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid var(--clr-gray-100);
  border-radius: var(--radius);
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  color: var(--clr-text);
  transition: all var(--transition);
  background: var(--clr-off-white);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--clr-primary);
  background: var(--clr-white);
  box-shadow: 0 0 0 4px rgba(26, 35, 126, 0.1);
}

.form__textarea {
  resize: vertical;
  min-height: 130px;
}

.form__btn {
  width: 100%;
  justify-content: center;
}

/* --- Footer --- */
.footer {
  background: var(--clr-gray-800);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer__brand p {
  margin-top: var(--space-sm);
  font-size: var(--fs-small);
  line-height: 1.7;
  max-width: 320px;
}

.footer__title {
  font-family: var(--ff-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: var(--space-sm);
}

.footer__links li {
  margin-bottom: 0.5rem;
}

.footer__links a {
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition);
}

.footer__links a:hover {
  color: var(--clr-accent);
  padding-left: 4px;
}

.footer__social {
  display: flex;
  gap: 0.75rem;
  margin-top: var(--space-sm);
}

.footer__social a {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  font-size: 1.2rem;
  transition: all var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__social a:hover {
  background: var(--clr-accent);
  color: var(--clr-primary-dark);
  transform: translateY(-3px);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: var(--fs-small);
}

/* --- Scroll Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* --- Gallery --- */
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.gallery__item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.gallery__item:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-lg);
  z-index: 2;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.gallery__item:hover img {
  transform: scale(1.08);
}

.gallery__item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 20, 66, 0.7) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: var(--space-sm);
}

.gallery__item:hover .gallery__item-overlay {
  opacity: 1;
}

.gallery__item-label {
  color: var(--clr-white);
  font-size: var(--fs-small);
  font-weight: 600;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 2000;
  justify-content: center;
  align-items: center;
  padding: var(--space-md);
  cursor: pointer;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  cursor: default;
}

.lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: none;
  color: white;
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.lightbox__close:hover {
  opacity: 1;
}

.lightbox__caption {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--fs-small);
  text-align: center;
  background: rgba(0, 0, 0, 0.5);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
}

/* --- Mobile Responsive --- */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--clr-primary-dark);
    padding: 5rem var(--space-md) var(--space-md);
    transition: right var(--transition);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
  }

  .nav.open {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .nav__link {
    padding: 0.85rem 0;
    font-size: 1rem;
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .hamburger {
    display: flex;
  }

  .about__grid,
  .donate__grid,
  .volunteer__grid,
  .contact__grid {
    grid-template-columns: 1fr;
  }

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

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

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

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

@media (max-width: 600px) {
  .section {
    padding: var(--space-lg) 0;
  }

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

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

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

  .hero__cta {
    flex-direction: column;
    align-items: center;
  }

  .stats {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }
}

/* Overlay for mobile menu */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition);
}

.nav-overlay.active {
  display: block;
  opacity: 1;
}