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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #333;
  background: #fff;
  padding-top: 64px;
  line-height: 1.6;
}

/* ── Navigation ── */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: #ffff;
  z-index: 100;
}

.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
   width: 250px;
  height: 100px;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.02em;
  /* add */
  background-image: url("screenshots/company_logo.png");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
}

nav ul a {
  color: #000;
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

nav ul a:hover {
  color: #ccd0d9;
}

/* ── Sections ── */

section {
  max-width: 960px;
  margin: 0 auto;
  padding: 80px 24px;
}

section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 56px;
  color: #1c2333;
}

/* ── App rows ── */

.app-row {
  display: flex;
  align-items: center;
  gap: 64px;
  margin-bottom: 80px;
}

.app-row:last-child {
  margin-bottom: 0;
}

/* ── Screenshot placeholder ── */

.app-screenshot {
  flex-shrink: 0;
}

.screenshot-dt-stats {
  width: 250px;
  height: 400px;
  background-image: url("screenshots/dt_stats_handy_pic.png");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  display: inline-block;
  align-items: center;
  justify-content: center;
  color: #8a90a0;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.screenshot-dt-counter {
  width: 250px;
  height: 400px;
  background-image: url("screenshots/dt_counter_handy_pic.png");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  display: inline-block;
  align-items: center;
  justify-content: center;
  color: #8a90a0;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}


.screenshot-zza-counter {
  width: 250px;
  height: 400px;
  background-image: url("screenshots/zza_counter_handy_pic.png");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  display: inline-block;
  align-items: center;
  justify-content: center;
  color: #8a90a0;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.screenshot-zza-stats {
  width: 250px;
  height: 400px;
  background-image: url("screenshots/zza_stats_handy_pic.png");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  display: inline-block;
  align-items: center;
  justify-content: center;
  color: #8a90a0;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.screenshot-placeholder {
  width: 200px;
  height: 356px;
  background: #eef0f4;  
  border: 2px dashed #bcc0ca;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8a90a0;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── App text ── */

.app-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #1c2333;
}

.app-text p {
  font-size: 1rem;
  color: #555;
  margin-bottom: 24px;
  max-width: 440px;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  background: #1c2333;
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.2s;
}

.btn:hover {
  background: #2e3a52;
}

/* ── About section ── */

#about {
  background: #f5f7fa;
  max-width: 100%;
  padding: 80px 24px;
}

.about-inner {
  max-width: 960px;
  margin: 0 auto;
}

#about h2 {
  max-width: 960px;
}

#about > .about-inner > p {
  font-size: 1.05rem;
  color: #555;
  max-width: 620px;
  margin-bottom: 48px;
}

.contact {
  border-top: 1px solid #dde0e8;
  padding-top: 32px;
}

.contact h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #1c2333;
  margin-bottom: 8px;
}

.contact p {
  color: #555;
  margin-bottom: 4px;
}

.contact a {
  color: #1c2333;
  font-weight: 500;
}

.contact a:hover {
  text-decoration: underline;
}

/* ── Footer ── */

footer {
  text-align: center;
  padding: 24px;
  font-size: 0.85rem;
  color: #999;
  border-top: 1px solid #eee;
}