* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Arial, sans-serif;
}

:root {
  --bg: #f4fbfb;
  --bg2: #eaf7f5;
  --primary: #159c95;
  --primary-dark: #08756f;
  --blue: #2563eb;
  --gold: #f4b63f;
  --dark: #102231;
  --muted: #5d7180;
  --white: #ffffff;
  --border: rgba(21, 156, 149, .18);
  --shadow: 0 20px 55px rgba(8, 117, 111, .15);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--dark);
  overflow-x: hidden;
}

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

.header {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  padding: 16px 7%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.logo {
  font-size: 1.35rem;
  font-weight: 950;
  color: var(--primary-dark);
}

.logo span {
  color: var(--gold);
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav a {
  color: var(--dark);
  font-weight: 800;
}

.nav a:hover {
  color: var(--primary-dark);
}

.nav .login-btn,
.nav .register-btn {
  padding: 10px 18px;
  border-radius: 30px;
}

.nav .login-btn {
  border: 1px solid var(--primary);
  color: var(--primary-dark);
}

.nav .register-btn {
  background: linear-gradient(135deg, var(--primary), #43d7c9);
  color: #fff;
  box-shadow: 0 12px 30px rgba(21,156,149,.25);
}

.hero {
  position: relative;
  min-height: 100vh;
  padding: 130px 7% 90px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-slider {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.05);
  animation: hero 21s infinite;
}

.slide:nth-child(1) {
  background-image: url('https://images.unsplash.com/photo-1579154204601-01588f351e67?auto=format&fit=crop&w=1800&q=80');
  animation-delay: 0s;
}

.slide:nth-child(2) {
  background-image: url('https://images.unsplash.com/photo-1581093458791-9d42e3c7f5fd?auto=format&fit=crop&w=1800&q=80');
  animation-delay: 7s;
}

.slide:nth-child(3) {
  background-image: url('https://images.unsplash.com/photo-1559757148-5c350d0d3c56?auto=format&fit=crop&w=1800&q=80');
  animation-delay: 14s;
}

@keyframes hero {
  0% { opacity: 0; transform: scale(1.05); }
  8% { opacity: 1; transform: scale(1); }
  35% { opacity: 1; transform: scale(1.03); }
  48% { opacity: 0; transform: scale(1.05); }
  100% { opacity: 0; }
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 35%, rgba(67, 215, 201, .42), transparent 34%),
    linear-gradient(90deg, rgba(244,251,251,.98) 0%, rgba(244,251,251,.88) 48%, rgba(244,251,251,.55) 100%);
  z-index: -1;
}

.hero-content {
  max-width: 850px;
}

.tag {
  display: inline-block;
  background: rgba(21, 156, 149, .12);
  color: var(--primary-dark);
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: 30px;
  font-weight: 950;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 5.3rem);
  line-height: 1.03;
  font-weight: 950;
  margin-bottom: 22px;
}

.hero h1 span {
  color: var(--primary-dark);
}

.hero p {
  color: #314b5d;
  font-size: 1.22rem;
  line-height: 1.75;
  max-width: 760px;
  margin-bottom: 22px;
}

.speech {
  background: rgba(255,255,255,.78);
  border-left: 6px solid var(--primary);
  border-radius: 20px;
  padding: 20px 24px;
  line-height: 1.65;
  font-size: 1.12rem;
  color: #21394a;
  margin-bottom: 30px;
  box-shadow: var(--shadow);
}

.speech strong {
  color: var(--primary-dark);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-block;
  border: none;
  cursor: pointer;
  padding: 15px 26px;
  border-radius: 40px;
  font-weight: 950;
  transition: .25s;
  font-size: 1rem;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #43d7c9);
  color: #fff;
  box-shadow: 0 16px 35px rgba(21,156,149,.28);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold), #f39a2f);
  color: #241600;
  box-shadow: 0 16px 35px rgba(244,182,63,.28);
}

.btn-outline {
  border: 1px solid var(--primary);
  color: var(--primary-dark);
  background: rgba(255,255,255,.65);
}

.floating-menu {
  position: fixed;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,.92);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 14px;
  z-index: 999;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.floating-title {
  font-size: .78rem;
  line-height: 1.3;
  text-align: center;
  text-transform: uppercase;
  color: var(--primary-dark);
  font-weight: 950;
}

.floating-menu a {
  width: 180px;
  padding: 12px 14px;
  border-radius: 15px;
  background: #eefaf8;
  color: var(--dark);
  font-weight: 900;
  font-size: .88rem;
}

.floating-menu a:hover {
  background: var(--primary);
  color: #fff;
}

section {
  padding: 90px 7%;
}

.section-title {
  max-width: 860px;
  margin: 0 auto 52px;
  text-align: center;
}

.section-title h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 15px;
  font-weight: 950;
}

.section-title h2 span {
  color: var(--primary-dark);
}

.section-title p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 1.08rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 26px;
}

.card {
  background: rgba(255,255,255,.92);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 30px;
  min-height: 330px;
  box-shadow: 0 18px 45px rgba(16,34,49,.08);
  position: relative;
  overflow: hidden;
  transition: .25s;
}

.card:hover {
  transform: translateY(-9px);
  box-shadow: var(--shadow);
}

.card::before {
  content: '';
  position: absolute;
  right: -70px;
  top: -70px;
  width: 180px;
  height: 180px;
  background: rgba(67,215,201,.24);
  border-radius: 50%;
}

.icon {
  width: 68px;
  height: 68px;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--primary), #43d7c9);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 950;
  font-size: 1.7rem;
  margin-bottom: 22px;
  position: relative;
  z-index: 1;
}

.card h3 {
  color: var(--primary-dark);
  font-size: 1.5rem;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.card p, .card li {
  color: var(--muted);
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

.card ul {
  list-style: none;
  margin: 18px 0 24px;
}

.card li {
  margin-bottom: 9px;
}

.card li::before {
  content: '✓ ';
  color: var(--primary);
  font-weight: 950;
}

.price {
  font-size: 2.2rem;
  color: var(--primary-dark);
  font-weight: 950;
  margin: 15px 0;
  position: relative;
  z-index: 1;
}

.price small {
  font-size: 1rem;
  color: var(--muted);
}

.downloads-count {
  display: inline-block;
  background: #fff5d8;
  color: #6b4300;
  padding: 8px 13px;
  border-radius: 999px;
  font-weight: 950;
  margin-bottom: 15px;
  border: 1px solid rgba(244,182,63,.35);
  position: relative;
  z-index: 1;
}

.soft {
  background: linear-gradient(135deg, #eefaf8, #fff);
}

.notice {
  margin-top: 35px;
  background: #fff8e7;
  border: 1px solid rgba(244,182,63,.35);
  color: #684200;
  padding: 22px;
  border-radius: 24px;
  line-height: 1.7;
  text-align: center;
  font-weight: 700;
}

.form-box {
  max-width: 880px;
  margin: auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 36px;
  box-shadow: var(--shadow);
}

.form-box h3 {
  color: var(--primary-dark);
  font-size: 2rem;
  margin-bottom: 12px;
}

.form-box p {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 22px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

input, select, textarea {
  width: 100%;
  padding: 15px;
  border: 1px solid rgba(16,34,49,.15);
  border-radius: 16px;
  margin-bottom: 14px;
  outline: none;
  background: #f8fcfc;
  color: var(--dark);
  font-size: 1rem;
}

textarea {
  min-height: 120px;
}

.alert {
  max-width: 900px;
  margin: 25px auto;
  border-radius: 18px;
  padding: 16px 20px;
  line-height: 1.6;
  font-weight: 750;
}

.alert-ok {
  background: #e8fbef;
  color: #12632e;
  border: 1px solid #bdeccf;
}

.alert-error {
  background: #fff0f0;
  color: #8a1f1f;
  border: 1px solid #ffd0d0;
}

.table-wrap {
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

th, td {
  padding: 14px 16px;
  border-bottom: 1px solid #eef2f2;
  text-align: left;
  color: #264052;
}

th {
  background: #eefaf8;
  color: var(--primary-dark);
  font-weight: 950;
}

.admin-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  min-height: 100vh;
}

.admin-sidebar {
  background: #ffffff;
  border-right: 1px solid var(--border);
  padding: 28px 20px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.admin-sidebar h2 {
  color: var(--primary-dark);
  margin-bottom: 26px;
}

.admin-sidebar a {
  display: block;
  padding: 12px 14px;
  border-radius: 14px;
  margin-bottom: 8px;
  color: var(--dark);
  font-weight: 850;
}

.admin-sidebar a:hover {
  background: #eefaf8;
  color: var(--primary-dark);
}

.admin-main {
  padding: 34px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}

.stat {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 22px;
  box-shadow: 0 12px 35px rgba(16,34,49,.07);
}

.stat strong {
  display: block;
  font-size: 2rem;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.whatsapp {
  position: fixed;
  right: 22px;
  bottom: 22px;
  background: #25d366;
  color: #062016;
  padding: 14px 20px;
  border-radius: 999px;
  z-index: 1000;
  font-weight: 950;
  box-shadow: 0 15px 35px rgba(37,211,102,.36);
}

footer {
  background: #ffffff;
  border-top: 1px solid var(--border);
  padding: 32px 7%;
  text-align: center;
  color: var(--muted);
}

@media (max-width: 980px) {
  .nav { display: none; }
  .floating-menu { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { position: relative; height: auto; }
  .whatsapp span { display: none; }
}


input[type="file"] {
  background: #ffffff;
  border-style: dashed;
}

.small-help {
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.5;
}

.badge {
  display: inline-block;
  padding: 7px 11px;
  border-radius: 999px;
  background: #eefaf8;
  color: var(--primary-dark);
  font-weight: 950;
  font-size: .85rem;
}