/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --orange: #F46B20;
  --orange-light: #FF8C42;
  --orange-dark: #C7530F;
  --orange-pale: #FFF0E6;
  --white: #FFFFFF;
  --dark: #1A1208;
  --dark2: #2C1F10;
  --gray: #6B5B4E;
  --gray-light: #F5F0EB;
  --font-head: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--dark);
  background: var(--white);
  overflow-x: hidden;
}

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

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(244,107,32,0.12);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo-fox {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--orange);
  letter-spacing: -0.02em;
}
.logo-sub {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--gray);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--dark);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--orange); }
.nav-donate {
  background: var(--orange);
  color: var(--white) !important;
  padding: 0.5rem 1.2rem;
  border-radius: 100px;
  font-weight: 500 !important;
  transition: background 0.2s !important;
}
.nav-donate:hover { background: var(--orange-dark) !important; }

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--dark);
}

.mobile-menu {
  display: none;
  list-style: none;
  flex-direction: column;
  padding: 1rem 2rem 1.5rem;
  gap: 0.8rem;
  background: var(--white);
  border-top: 1px solid var(--gray-light);
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 1rem; color: var(--dark); }

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.25s;
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(244,107,32,0.35);
}
.btn-primary:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(244,107,32,0.45);
}
.btn-outline {
  background: transparent;
  color: var(--orange);
  border: 2px solid var(--orange);
}
.btn-outline:hover {
  background: var(--orange);
  color: var(--white);
}
.btn-large { padding: 1.1rem 2.8rem; font-size: 1.05rem; }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  background: var(--orange-pale);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 72px;
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.18;
}
.s1 {
  width: 600px; height: 600px;
  background: var(--orange);
  top: -150px; right: -150px;
  animation: float1 8s ease-in-out infinite;
}
.s2 {
  width: 350px; height: 350px;
  background: var(--orange-light);
  bottom: 80px; left: -80px;
  animation: float2 10s ease-in-out infinite;
}
.s3 {
  width: 200px; height: 200px;
  background: var(--orange-dark);
  bottom: 200px; right: 200px;
  animation: float1 12s ease-in-out infinite reverse;
}

@keyframes float1 {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-30px) scale(1.04); }
}
@keyframes float2 {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(20px) scale(0.97); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  padding: 4rem 2rem 3rem;
  text-align: center;
  animation: fadeUp 0.9s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange-dark);
  margin-bottom: 1.2rem;
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  line-height: 1.05;
  color: var(--dark);
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}
.hero-title em {
  color: var(--orange);
  font-style: italic;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--gray);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

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

.hero-stat-bar {
  position: relative;
  z-index: 1;
  background: var(--white);
  border-radius: 20px 20px 0 0;
  padding: 2rem 4rem;
  display: flex;
  align-items: center;
  gap: 3rem;
  box-shadow: 0 -4px 40px rgba(244,107,32,0.1);
  width: 100%;
  max-width: 800px;
  justify-content: center;
  animation: fadeUp 1s 0.3s ease both;
}

.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--orange);
}
.stat-label {
  display: block;
  font-size: 0.78rem;
  color: var(--gray);
  margin-top: 0.2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(244,107,32,0.2);
}

/* ── SECTIONS ── */
.section { padding: 6rem 0; }
.section-dark {
  background: var(--dark2);
  color: var(--white);
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.8rem;
}
.section-label.light { color: var(--orange-light); }

.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
}
.section-title.light { color: var(--white); }

/* ── DISEASE SECTION ── */
.disease-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.disease-text p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--gray);
  margin-bottom: 1.2rem;
}
.disease-text strong { color: var(--orange-dark); }

.symptoms-list h3 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 1.2rem;
}
.symptoms-list ul { list-style: none; }
.symptoms-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-light);
  font-size: 0.95rem;
  color: var(--gray);
}
.sym-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: -2px; }

/* ── ABOUT GRID ── */
.about-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.about-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  transition: transform 0.25s, background 0.25s;
}
.about-card:hover {
  transform: translateY(-4px);
  background: rgba(244,107,32,0.12);
}
.about-icon { font-size: 2rem; margin-bottom: 1rem; }
.about-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.6rem;
}
.about-card p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}

/* ── CTA ── */
.cta-section {
  background: var(--orange-pale);
  text-align: center;
  overflow: hidden;
}
.cta-blob {
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(244,107,32,0.12) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.cta-content { position: relative; }
.cta-text {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 520px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}
.cta-note {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--gray);
}

/* ── CONTACT ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-info p {
  font-size: 1.05rem;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 2rem;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  color: var(--dark);
}
.contact-icon { font-size: 1.2rem; }
.contact-item a { color: var(--orange); font-weight: 500; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.contact-form input,
.contact-form textarea {
  padding: 0.85rem 1.2rem;
  border: 1.5px solid rgba(244,107,32,0.25);
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--dark);
  background: var(--gray-light);
  transition: border-color 0.2s;
  outline: none;
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--orange);
  background: var(--white);
}
.form-success {
  display: none;
  color: var(--orange-dark);
  font-weight: 500;
  font-size: 0.9rem;
  margin-top: 0.5rem;
}
.form-success.show { display: block; }

/* ── FOOTER ── */
.footer {
  background: var(--dark);
  color: var(--white);
  padding: 2.5rem 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-copy { font-size: 0.82rem; color: rgba(255,255,255,0.45); }
.footer-donate {
  color: var(--orange-light);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.footer-donate:hover { color: var(--orange); }

/* ── LINKS SECTION ── */
.links-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.link-card {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.5rem;
  border: 1.5px solid rgba(244,107,32,0.2);
  border-radius: 16px;
  background: var(--gray-light);
  transition: all 0.25s;
  color: var(--dark);
}
.link-card:hover {
  border-color: var(--orange);
  background: var(--orange-pale);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(244,107,32,0.15);
}
.link-icon { font-size: 2rem; flex-shrink: 0; }
.link-text { flex: 1; }
.link-text h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.3rem;
}
.link-text p {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.5;
}
.link-arrow {
  font-size: 1.2rem;
  color: var(--orange);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.link-card:hover .link-arrow { transform: translateX(4px); }

@media (max-width: 600px) {
  .links-grid { grid-template-columns: 1fr; }
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: block; }
  .disease-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-grid { grid-template-columns: 1fr 1fr; }
  .hero-stat-bar { padding: 1.5rem 2rem; gap: 1.5rem; flex-wrap: wrap; }
}

@media (max-width: 600px) {
  .hero-title { font-size: 2.8rem; }
  .about-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .hero-stat-bar { border-radius: 0; }
}