:root {
  --blue-900: #1e3a8a;
  --blue-700: #1d4ed8;
  --slate-900: #0f172a;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --white: #ffffff;
  --green: #25d366;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", sans-serif;
  background: #f8fafc;
  color: var(--slate-900);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.wrapper {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.main-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--blue-900);
  color: var(--white);
  box-shadow: 0 10px 25px rgba(2, 6, 23, 0.15);
}

.header-content {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: 999px;
  background: #fff;
  padding: 5px;
}

.brand-name {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.whatsapp-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--green);
  color: var(--white);
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 8px 18px rgba(37, 211, 102, 0.3);
}

.whatsapp-button:hover {
  transform: translateY(-2px);
}

.whatsapp-button i {
  font-size: 1.2rem;
}

.button-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.button-text small {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.9;
}

.button-text strong {
  font-size: 0.82rem;
}

.hero-section {
  padding: 76px 0 54px;
}

.hero-content {
  max-width: 900px;
  text-align: center;
}

.hero-eyebrow {
  margin: 0 auto 24px;
  max-width: 860px;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: #64748b;
  font-weight: 700;
}

.hero-content h1 {
  margin: 0;
  font-size: clamp(2rem, 3.8vw, 3.8rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.hero-content h1 span {
  color: var(--blue-700);
  display: block;
}

.hero-subtitle {
  margin: 24px auto 0;
  max-width: 760px;
  color: var(--slate-600);
  font-size: clamp(1rem, 1.7vw, 1.2rem);
}

.hero-badge {
  margin: 30px auto 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #ecfdf5;
  color: #15803d;
  border: 1px solid #bbf7d0;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
}

.feature-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.feature-item {
  background: var(--white);
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.06);
  padding: 14px 14px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  text-align: left;
}

.feature-item i {
  color: #22c55e;
  margin-top: 3px;
}

.feature-item span {
  color: var(--slate-700);
  font-size: 0.92rem;
  font-weight: 600;
}

.hero-cta {
  margin-top: 34px;
  border: 0;
  border-radius: 999px;
  background: var(--blue-700);
  color: var(--white);
  font-size: 1rem;
  font-weight: 800;
  padding: 14px 28px;
  cursor: pointer;
  box-shadow: 0 14px 30px rgba(29, 78, 216, 0.3);
  transition: transform 0.2s ease, filter 0.2s ease;
}

.hero-cta:hover {
  transform: translateY(-2px);
  filter: brightness(1.03);
}

.promo-banner {
  position: fixed;
  top: 100px;
  right: 18px;
  z-index: 50;
  width: 420px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.32);
  animation: promoPulse 0.5s ease-out;
  background: #fff;
}

.promo-banner-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.promo-banner-text {
  display: block;
  padding: 8px 12px;
  font-size: 0.74rem;
  font-weight: 600;
  color: #475569;
  line-height: 1.3;
  text-align: center;
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
}

@keyframes promoPulse {
  0%   { opacity: 0; transform: translateX(40px) scale(0.92); }
  100% { opacity: 1; transform: translateX(0) scale(1); }
}

.promo-banner-img {
  display: block;
  width: 420px;
  height: 135px;
  object-fit: cover;
  cursor: pointer;
}

.promo-banner-close {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.65);
  color: #fff;
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.promo-banner-close:hover {
  background: rgba(15, 23, 42, 0.9);
}

.promo-banner.hidden {
  display: none;
}