/* ===========================
   DUYUSAL OYUN — Landing Page
   =========================== */

:root {
  --purple: #7c3aed;
  --purple-light: #a78bfa;
  --purple-lighter: #ede9fe;
  --purple-dark: #5b21b6;
  --purple-gradient: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
  --white: #ffffff;
  --off-white: #f8f6ff;
  --gray-light: #f3f4f6;
  --gray: #6b7280;
  --dark: #1a1a2e;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 4px 24px rgba(124, 58, 237, 0.12);
  --shadow-lg: 0 12px 48px rgba(124, 58, 237, 0.18);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', 'Nunito', sans-serif;
  color: var(--dark);
  background: var(--white);
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== GRADIENTS & UTILITIES ===== */
.gradient-text {
  background: var(--purple-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.white-gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, #e9d5ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(124,58,237,0.08);
  transition: box-shadow var(--transition);
}
.navbar.scrolled {
  box-shadow: 0 4px 24px rgba(124,58,237,0.10);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: 'Nunito', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.3px;
}
.logo-purple { color: var(--purple); }
.logo-gray { color: #999; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--purple); }
.nav-links .nav-cta {
  background: var(--purple-gradient);
  color: white;
  padding: 10px 22px;
  border-radius: 50px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.nav-links .nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124,58,237,0.35);
  color: white;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--purple);
  border-radius: 2px;
  transition: var(--transition);
}
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0;
  background: white;
  border-top: 1px solid var(--purple-lighter);
  padding: 12px 24px 20px;
}
.mobile-menu a {
  padding: 12px 0;
  font-weight: 600;
  color: var(--gray);
  border-bottom: 1px solid #f3f0ff;
  font-size: 1rem;
}
.mobile-menu a:last-child { border: none; }
.mobile-menu.open { display: flex; }

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 120px 0 60px;
  background: linear-gradient(160deg, #faf8ff 0%, #f3eeff 40%, #e9d5ff33 100%);
  overflow: hidden;
}
.hero-bg-blobs { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
}
.blob1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #a78bfa, transparent);
  top: -200px; right: -200px;
}
.blob2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #c084fc, transparent);
  bottom: 0; left: -100px;
}
.blob3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #818cf8, transparent);
  top: 50%; left: 40%;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding-bottom: 80px;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124,58,237,0.08);
  border: 1px solid rgba(124,58,237,0.2);
  color: var(--purple);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 24px;
  width: fit-content;
}
.badge-dot {
  width: 8px; height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

.hero-title {
  font-family: 'Nunito', sans-serif;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--dark);
  margin-bottom: 20px;
}
.hero-desc {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--gray);
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-cta { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-bottom: 48px; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--purple-gradient);
  color: white;
  padding: 16px 28px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 700;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 8px 32px rgba(124,58,237,0.35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(124,58,237,0.45);
}
.btn-primary:active { transform: translateY(-1px); }

.ios-coming {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gray);
  font-size: 0.92rem;
  font-weight: 500;
}
.ios-coming strong { color: var(--purple); }

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.stat { text-align: left; }
.stat-num {
  display: block;
  font-family: 'Nunito', sans-serif;
  font-size: 1.7rem;
  font-weight: 900;
  color: var(--purple);
}
.stat-label {
  display: block;
  font-size: 0.78rem;
  color: var(--gray);
  font-weight: 500;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(124,58,237,0.2);
}

/* ===== PHONE CAROUSEL ===== */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 10px;
}
.phone-carousel-outer {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.phone-carousel-frame {
  width: 260px;
  aspect-ratio: 9 / 19.5;
  border-radius: 36px;
  overflow: hidden;
  box-shadow:
    0 0 0 10px #1a1a2e,
    0 0 0 12px #2a243a,
    0 32px 80px rgba(0,0,0,0.28);
  background: #1a1a2e;
  position: relative;
}
.phone-carousel-track {
  display: flex;
  width: 700%;
  height: 100%;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}
.carousel-slide {
  width: calc(100% / 7);
  height: 100%;
  flex-shrink: 0;
}
.carousel-slide img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: top;
}
.carousel-dots {
  display: flex;
  gap: 8px;
  justify-content: center;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(124,58,237,0.2);
  cursor: pointer;
  transition: background var(--transition), width var(--transition);
}
.dot.active {
  background: var(--purple);
  width: 22px;
  border-radius: 4px;
}
.phone-carousel-glow {
  position: absolute;
  width: 240px;
  height: 80px;
  background: radial-gradient(ellipse, rgba(124,58,237,0.3), transparent 70%);
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  filter: blur(18px);
  z-index: -1;
}
@keyframes floatPhone {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}
.phone-carousel-outer {
  animation: floatPhone 5s ease-in-out infinite;
}

.hero-wave {
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  line-height: 0;
}
.hero-wave svg { width: 100%; height: 80px; }

/* ===== ANIMATIONS ===== */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s ease forwards;
}
.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }

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

[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-aos].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== SECTIONS COMMON ===== */
.section-label {
  display: inline-block;
  background: rgba(124,58,237,0.08);
  color: var(--purple);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: 'Nunito', sans-serif;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--dark);
  margin-bottom: 16px;
}
.section-desc {
  color: var(--gray);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto 52px;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 0;
  background: var(--off-white);
  text-align: center;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: white;
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: left;
  box-shadow: 0 2px 16px rgba(124,58,237,0.07);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid rgba(124,58,237,0.06);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.feature-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.feature-icon.purple { background: rgba(124,58,237,0.1); }
.feature-icon.blue { background: rgba(59,130,246,0.1); }
.feature-icon.green { background: rgba(34,197,94,0.1); }
.feature-icon.orange { background: rgba(249,115,22,0.1); }
.feature-icon.pink { background: rgba(236,72,153,0.1); }
.feature-icon.teal { background: rgba(20,184,166,0.1); }
.feature-card h3 {
  font-family: 'Nunito', sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--dark);
}
.feature-card p {
  color: var(--gray);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ===== CATEGORIES ===== */
.categories-section {
  padding: 100px 0;
  background: white;
  text-align: center;
}
.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.cat-card {
  border-radius: var(--radius);
  padding: 36px 24px 28px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: default;
}
.cat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.cat-sensory { background: linear-gradient(145deg, #f3e8ff, #ede9fe); border: 1px solid #e9d5ff; }
.cat-motor { background: linear-gradient(145deg, #dbeafe, #eff6ff); border: 1px solid #bfdbfe; }
.cat-cognitive { background: linear-gradient(145deg, #dcfce7, #f0fdf4); border: 1px solid #bbf7d0; }
.cat-social { background: linear-gradient(145deg, #fef3c7, #fffbeb); border: 1px solid #fde68a; }

.cat-icon { font-size: 2.5rem; margin-bottom: 14px; }
.cat-card h3 {
  font-family: 'Nunito', sans-serif;
  font-size: 1.1rem;
  font-weight: 900;
  margin-bottom: 10px;
  color: var(--dark);
}
.cat-card p {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 16px;
}
.cat-tag {
  display: inline-block;
  background: rgba(0,0,0,0.06);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #444;
}

/* ===== HOW IT WORKS ===== */
.how-section {
  padding: 100px 0;
  background: var(--off-white);
  text-align: center;
}
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.step {
  background: white;
  border-radius: var(--radius);
  padding: 36px 28px;
  max-width: 280px;
  text-align: left;
  box-shadow: 0 2px 16px rgba(124,58,237,0.07);
  flex: 1;
  min-width: 220px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.step-num {
  font-family: 'Nunito', sans-serif;
  font-size: 2.2rem;
  font-weight: 900;
  background: var(--purple-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}
.step-content h3 {
  font-family: 'Nunito', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--dark);
}
.step-content p { font-size: 0.88rem; color: var(--gray); line-height: 1.65; }
.step-arrow {
  font-size: 1.5rem;
  color: var(--purple-light);
  font-weight: 900;
  flex-shrink: 0;
}

/* ===== SHOWCASE ===== */
.showcase-section {
  padding: 100px 0;
  background: white;
}
.showcase-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.showcase-text .section-label { margin-bottom: 12px; }
.showcase-text .section-title { margin-bottom: 16px; text-align: left; }
.showcase-text p { color: var(--gray); line-height: 1.75; margin-bottom: 28px; max-width: none; }
.showcase-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.showcase-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--dark);
  font-weight: 500;
}
.check {
  width: 24px;
  height: 24px;
  background: var(--purple-gradient);
  color: white;
  border-radius: 50%;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.showcase-screenshot {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}

/* ===== TESTIMONIALS ===== */
.testimonials-section {
  padding: 100px 0;
  background: var(--off-white);
  text-align: center;
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: white;
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: left;
  box-shadow: 0 2px 16px rgba(124,58,237,0.07);
  border: 1px solid rgba(124,58,237,0.06);
  transition: transform var(--transition), box-shadow var(--transition);
}
.testimonial-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.featured-testimonial {
  background: var(--purple-gradient);
  border: none;
  color: white;
  transform: scale(1.03);
}
.stars { color: #fbbf24; font-size: 1.1rem; margin-bottom: 14px; letter-spacing: 2px; }
.featured-testimonial .stars { color: #fde68a; }
.testimonial-card > p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 20px;
}
.featured-testimonial > p { color: rgba(255,255,255,0.9); }
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: white;
  flex-shrink: 0;
}
.purple-av { background: var(--purple-gradient); }
.gold-av { background: linear-gradient(135deg, #f59e0b, #d97706); }
.featured-testimonial .gold-av { background: rgba(255,255,255,0.25); }
.green-av { background: linear-gradient(135deg, #22c55e, #16a34a); }
.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--dark);
}
.featured-testimonial .testimonial-author strong { color: white; }
.testimonial-author span {
  font-size: 0.78rem;
  color: var(--gray);
}
.featured-testimonial .testimonial-author span { color: rgba(255,255,255,0.7); }

/* ===== DOWNLOAD ===== */
.download-section {
  position: relative;
  padding: 120px 0;
  background: linear-gradient(135deg, #4c1d95 0%, #7c3aed 50%, #a855f7 100%);
  text-align: center;
  overflow: hidden;
}
.download-bg-blobs { position: absolute; inset: 0; pointer-events: none; }
.dl-blob { position: absolute; border-radius: 50%; filter: blur(80px); }
.dl-blob1 {
  width: 500px; height: 500px;
  background: rgba(255,255,255,0.08);
  top: -200px; left: -100px;
}
.dl-blob2 {
  width: 400px; height: 400px;
  background: rgba(0,0,0,0.15);
  bottom: -150px; right: -100px;
}
.download-content { position: relative; z-index: 2; }
.light-label {
  background: rgba(255,255,255,0.2);
  color: white;
}
.download-title {
  font-family: 'Nunito', sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 900;
  color: white;
  margin-bottom: 16px;
  line-height: 1.2;
}
.download-desc { color: rgba(255,255,255,0.8); font-size: 1rem; max-width: 480px; margin: 0 auto 48px; }

.download-btns {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.dl-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
  padding: 16px 28px;
  border-radius: 18px;
  backdrop-filter: blur(8px);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  min-width: 220px;
  cursor: pointer;
}
.android-btn:hover {
  background: rgba(255,255,255,0.28);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}
.ios-btn-disabled {
  opacity: 0.7;
  cursor: not-allowed;
  position: relative;
}
.dl-sub { display: block; font-size: 0.75rem; opacity: 0.8; font-weight: 500; margin-bottom: 2px; }
.dl-main { display: block; font-size: 1.05rem; font-weight: 800; font-family: 'Nunito', sans-serif; }
.coming-badge {
  position: absolute;
  top: -10px;
  right: -10px;
  background: #fbbf24;
  color: #1a1a2e;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer .logo-gray { color: #666; }
.footer-copy { font-size: 0.85rem; color: #666; }
.footer-links { display: flex; gap: 24px; }
.footer-links a {
  font-size: 0.85rem;
  color: #666;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--purple-light); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-content { gap: 40px; }
  .phone-carousel-frame { width: 240px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 20px;
    padding-bottom: 60px;
  }
  .hero-badge { margin: 0 auto 20px; }
  .hero-desc { margin: 0 auto 32px; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .phone-carousel-frame { width: 210px; }

  .features-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .featured-testimonial { transform: scale(1); }

  .showcase-content { grid-template-columns: 1fr; gap: 40px; }
  .showcase-text .section-title { text-align: center; }
  .section-desc { margin: 0 auto 40px; }

  .steps { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); }
  .step { max-width: 100%; }

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }

  .download-btns { flex-direction: column; align-items: center; }
  .dl-btn { width: 100%; max-width: 300px; }
}

@media (max-width: 480px) {
  .categories-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2rem; }
}