/* ============================================================
   USIG Digital — Marketing Site
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'din-next-w01-light', 'Oswald', Arial, Helvetica, sans-serif;
  font-weight: 300;
  color: #ffffff;
  background-color: #1a1a2e;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Layout ---------- */
.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #111122;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.logo-icon {
  width: 49px;
  height: 55px;
  object-fit: contain;
}

.logo-text {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-size: 24px;
  font-weight: normal;
  letter-spacing: 0.02em;
  color: #ffffff;
}

/* ---------- Hero Section ---------- */
.hero {
  padding: 80px 0 60px;
  background: linear-gradient(180deg, #111122 0%, #0d1b2a 100%);
}

.hero-title {
  font-family: 'Oswald', sans-serif;
  font-size: 36px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 24px;
}

.hero-body p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 16px;
  max-width: 680px;
}

.use-label {
  margin-top: 8px;
}

.use-cases {
  list-style: none;
  padding: 0;
  margin-top: 12px;
}

.use-cases li {
  position: relative;
  padding-left: 20px;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 8px;
}

.use-cases li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: #00c8dc;
  border-radius: 50%;
}

/* ---------- Divider ---------- */
.divider {
  padding: 0;
  background: #0d1b2a;
}

.divider hr {
  border: none;
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
}

/* ---------- Subscribe Section ---------- */
.subscribe {
  padding: 80px 0 100px;
  background: #0d1b2a;
  text-align: center;
}

.subscribe-title {
  font-family: 'din-next-w01-light', 'Oswald', sans-serif;
  font-size: 45px;
  font-weight: 700;
  letter-spacing: normal;
  color: #ffffff;
  margin-bottom: 12px;
}

.subscribe-subtitle {
  font-family: 'din-next-w01-light', 'Oswald', sans-serif;
  font-size: 16px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 40px;
}

/* ---------- Form ---------- */
.subscribe-form {
  max-width: 480px;
  margin: 0 auto;
  text-align: left;
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-group {
  flex: 1;
  margin-bottom: 16px;
}

.form-group-email {
  width: 100%;
}

label {
  display: block;
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 6px;
}

.required {
  color: #00c8dc;
}

input[type="text"],
input[type="email"] {
  width: 100%;
  padding: 10px 14px;
  font-size: 16px;
  font-family: inherit;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}

input:focus {
  border-color: #00c8dc;
  background: rgba(255, 255, 255, 0.1);
}

input::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.btn-subscribe {
  display: block;
  width: 100%;
  padding: 14px;
  margin-top: 8px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  color: #111122;
  background: #00c8dc;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
}

.btn-subscribe:hover {
  background: #00b4c6;
}

.btn-subscribe:active {
  transform: scale(0.98);
}

.btn-subscribe:disabled {
  background: #ccccca;
  color: #ffffff;
  cursor: not-allowed;
}

/* ---------- Form Status ---------- */
.form-status {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 4px;
  font-size: 15px;
  text-align: center;
}

.form-status.success {
  background: rgba(0, 200, 220, 0.12);
  color: #00c8dc;
  border: 1px solid rgba(0, 200, 220, 0.3);
}

.form-status.error {
  background: rgba(237, 28, 36, 0.12);
  color: #ff6b6b;
  border: 1px solid rgba(237, 28, 36, 0.3);
}

/* ---------- Footer ---------- */
.site-footer {
  background: #111122;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px;
  text-align: center;
}

.footer-links {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  font-size: 13px;
  margin: 0 12px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #00c8dc;
}

.copyright {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .hero {
    padding: 48px 0 40px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-body p,
  .use-cases li {
    font-size: 16px;
  }

  .subscribe {
    padding: 48px 0 64px;
  }

  .subscribe-title {
    font-size: 32px;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .header-inner {
    padding: 10px 16px;
  }

  .container {
    padding: 0 16px;
  }
}