body {
  margin: 0;
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  background: linear-gradient(to bottom, #fafafa, #f0f0f0);
  color: #181818;
  transition: background 0.3s, color 0.3s;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 5vw 1rem 5vw;
  background: none;
}

#logo {
  height: 60px;
  transition: filter 0.3s;
}

#mode-toggle {
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: #e53935;
  transition: color 0.3s;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 5vw;
}

.hero {
  text-align: center;
  margin-bottom: 2.5rem;
}
.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 0.5rem;
}
.hero p {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}
.app-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
}
.store-btn {
  padding: 0.7em 1.5em;
  border-radius: 2em;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  color: #fff;
  background: linear-gradient(to right, #e53935, #ff5252);
  transition: background 0.2s;
}
.store-btn.ios {
  background: linear-gradient(to right, #181818, #333);
}
.store-btn.android {
  background: linear-gradient(to right, #43a047, #66bb6a);
}
.store-btn:hover {
  opacity: 0.85;
}

.about {
  margin-bottom: 2.5rem;
}
.about h2 {
  font-size: 2rem;
  margin-bottom: 0.7rem;
}
.about ul {
  list-style: disc inside;
  padding-left: 1.2em;
}

.testimonials {
  margin-bottom: 2.5rem;
}
.testimonials h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.testimonial-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}
.testimonial {
  background: #fff;
  border-radius: 1em;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  padding: 1.2em;
  max-width: 320px;
  text-align: center;
  transition: background 0.3s;
}
.testimonial img {
  width: 45%;
  border-radius: 0.7em;
  margin: 0.2em 0.2em 0.7em 0.2em;
  box-shadow: 0 1px 6px rgba(0,0,0,0.08);
}
.testimonial blockquote {
  font-style: italic;
  margin: 0.5em 0 0.2em 0;
}
.testimonial cite {
  font-size: 0.95em;
  color: #e53935;
}

.social {
  margin-bottom: 2.5rem;
  text-align: center;
}
.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 0.7em;
}
.social-links img {
  width: 36px;
  height: 36px;
  filter: grayscale(0.2);
  transition: filter 0.2s;
}

.social-links a {
  margin-right: 15px;
  color: inherit;
  transition: color 0.3s;
}

.social-links a[aria-label="Instagram"]:hover {
  color: #e1306c; /* Instagram pink */
}

.social-links a[aria-label="X"]:hover {
  color: #1DA1F2; /* Twitter blue (X still uses this) */
}

.social-links a[aria-label="TikTok"]:hover {
  color: #69C9D0; /* TikTok turquoise */
}

.social-links a:hover img {
  filter: grayscale(0) drop-shadow(0 0 4px #e53935);
}

.support {
  margin-bottom: 2.5rem;
  background: #ffeaea;
  border-radius: 1em;
  padding: 1.2em;
  text-align: center;
  color: #b71c1c;
  transition: background 0.3s, color 0.3s;
}
.support a {
  color: #e53935;
  text-decoration: underline;
}

footer {
  text-align: center;
  padding: 1.5rem 0 1rem 0;
  font-size: 1rem;
  color: #888;
}

/* DARK MODE */
body.dark-mode {
  background: linear-gradient(to bottom, #181818, #232323);
  color: #fafafa;
}
body.dark-mode header {
  background: none;
}
body.dark-mode #logo {
  filter: brightness(1.1);
}
body.dark-mode #mode-toggle {
  color: #fff;
}
body.dark-mode .testimonial {
  background: #232323;
}
body.dark-mode .support {
  background: #2d1a1a;
  color: #ffbdbd;
}
body.dark-mode .support a {
  color: #ff5252;
}
body.dark-mode footer {
  color: #aaa;
}

/* Responsive */
@media (max-width: 700px) {
  main {
    padding: 1rem 2vw;
  }
  .testimonial-list {
    flex-direction: column;
    align-items: center;
  }
  header {
    flex-direction: column;
    gap: 1rem;
  }
}