:root {
  --text-color: #000000;
  --text-color2: #ffffff;
  --bg-color: #ffffff;
  --primary-color: #111111;
  --secondary-color: #888888;
  --accent-color: #ff4e6a;
  --font-main: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-title: 'Georgia', serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

img {
  max-width: 100%;
}

a {
  color: var(--accent-color);
  transition: color 0.3s ease;
}
a:hover {
  color: #cc3a53;
}

/* --- Header --- */
.main-header {
  background-color: var(--primary-color);
  padding: 1rem 0;
  width: 100%;
  position: fixed;
  z-index: 1000;
}
.header-inner {
  display: flex;
  justify-content: center;
  align-items: center;
}
.main-header .logo img {
  height: 50px;
}

/* --- Navigation (Mobile) --- */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
}
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
    position: absolute;
    top: 25px;
    right: 20px;
    z-index: 1001;
  }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--primary-color);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
  }
  .main-nav.nav-open {
    max-height: 500px;
  }
  .main-nav ul {
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
  }
  .main-nav ul li {
    margin: 15px 0;
  }
}

.main-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
}
.main-nav ul li {
  margin-left: 25px;
}
.main-nav a {
  color: var(--text-color2);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}
.main-nav a:hover {
  color: var(--secondary-color);
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 10px 25px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  transition: transform 0.2s ease;
}
.btn-primary {
  background-color: var(--accent-color);
  color: white;
  box-shadow: 0 4px 15px rgba(255, 78, 106, 0.3);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: "";
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: rgba(255, 255, 255, 0.25);
  transform: skewX(-20deg);
  z-index: 2;
  transition: left 0.5s ease;
}
.btn-primary:hover::before {
  left: 130%;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(255, 78, 106, 0.5);
}

/* --- Screenshots Hero --- */
.screenshots {
  padding-top: 120px;
  background: linear-gradient(to bottom, #fff0f3, #ffffff);
  text-align: center;
}
.screenshots h2 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}
.screenshots p {
  color: #555;
  margin-bottom: 2rem;
}
.intro {
  max-width: 800px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
  font-size: 1.1rem;
  color: #444;
}

/* --- Cards / Carousel --- */
.cards {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.card {
  background: #fff5f7;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  width: 300px;
}
.card:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}
.card img {
  width: 100%;
  display: block;
}
.card .card-content {
  padding: 1rem;
  text-align: left;
}
.card-content h3,
.form h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #111;
}
.card-content h3::after,
.form h3::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  background-color: var(--accent-color);
  margin: 8px 0 0;
}
.card-content p {
  font-size: 0.9rem;
  color: #666;
}

/* --- Carousel --- */
.carousel {
  position: relative;
  overflow: hidden;
  max-width: 640px;
  margin: 0 auto;
  flex: 1 1 60%;
}
.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}
.carousel-slide {
  flex: 0 0 100%;
  box-sizing: border-box;
  padding: 20px;
  text-align: center;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  margin-bottom: 20px;
  animation: fadeIn 0.5s ease both;
}
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: #111;
  color: white;
  border: none;
  font-size: 2rem;
  padding: 0 15px;
  cursor: pointer;
  z-index: 1;
  opacity: 0.7;
}
.carousel-btn:hover {
  opacity: 1;
}
.carousel-btn.prev { left: 0; }
.carousel-btn.next { right: 0; }

/* --- TikTok Icon --- */
.fab.fa-tiktok {
  transition: transform 0.2s, color 0.2s;
}
.fab.fa-tiktok:hover {
  transform: scale(1.2) rotate(3deg);
  color: var(--accent-color);
}

/* --- Form --- */
.form {
  flex: 1 1 35%;
  background: #f9f9f9;
  padding: 30px 25px;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.form h3 {
  margin-bottom: 15px;
  padding-bottom: 8px;
  border-bottom: 2px solid #eee;
  font-size: 1.6rem;
}

.form form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form .form-group,
.form .form-row,
.form .col {
  width: 100%;
}

.form .form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.form .col {
  flex: 1 1 48%;
}

.form input,
.form textarea {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  background: #fff;
  resize: vertical;
}

.form button {
  width: 100%;
  padding: 14px;
  font-size: 1.1rem;
  background-color: var(--accent-color);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 10px;
}

.form button:hover {
  background-color: #cc3a53;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

@media (max-width: 600px) {
  .form .form-row {
    flex-direction: column;
  }
  .form .col {
    flex: 1 1 100%;
  }
}


/* --- Footer --- */
.main-footer {
  background-color: #000;
  padding: 40px 0;
  color: #aaa;
}
.footer-top {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid #444;
}
.footer-section {
  text-align: center;
  width: 100%;
}
.footer-section h4 {
  color: #fff;
  margin-bottom: 15px;
  font-size: 1.2rem;
}
.footer-social {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 10px;
}
.footer-social i {
  font-size: 1.8rem;
  color: #aaa;
  transition: color 0.3s;
}
.footer-social a:hover i {
  color: var(--accent-color);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  flex-wrap: wrap;
  font-size: 0.9rem;
}
.footer-links a {
  color: #aaa;
  text-decoration: none;
  margin-right: 20px;
  transition: color 0.3s;
}
.footer-links a:hover {
  color: #fff;
}
.footer-copy {
  text-align: right;
}

/* --- Utilities --- */
.two-column {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 30px;
}
@media (max-width: 768px) {
  .two-column {
    flex-direction: column;
  }
  .carousel,
  .form {
    flex: 1 1 100%;
  }
  .form {
    margin-top: 30px;
  }
}
@media (max-width: 480px) {
  .intro {
    padding: 0 15px;
  }
  .form {
    padding: 15px;
  }
  .carousel-slide {
    padding: 15px;
  }
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}