/* ==========================================================================
   AURORA SENSORIAL — SILENT LUXURY & NEGATIVE SPACE (O PODER DO VAZIO)
   Estética de Alta Joalheria · Respiros de Proporção Áurea · Dobra Única 100dvh
   ========================================================================== */

:root {
  --bg-black: #080808;
  --text-white: #FFFFFF;
  --text-silver: #B8B8B8;
  --text-muted: #585858;
  --accent-orange: #FF5722;
  --accent-glow: rgba(255, 87, 34, 0.4);
  --border-light: rgba(255, 255, 255, 0.1);
  --border-focus: rgba(255, 87, 34, 0.5);
  
  --font-brand: 'Syncopate', sans-serif;
  --font-head: 'Montserrat', sans-serif;
  --font-text: 'Inter', sans-serif;
}

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

html, body {
  width: 100%;
  height: 100%;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background-color: var(--bg-black);
  color: var(--text-silver);
  font-family: var(--font-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Fundo Preto com Iluminação Indireta Minimalista */
body {
  background: 
    radial-gradient(circle at 50% 48%, rgba(255, 87, 34, 0.05) 0%, transparent 45%),
    radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.02) 0%, transparent 40%),
    var(--bg-black);
}

/* Container de Dobra Única com Moldura Espaçosa */
.sleek-container {
  width: 100%;
  height: 100%;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(24px, 4.5vh, 48px) clamp(24px, 6vw, 80px);
  max-width: 1240px;
  margin: 0 auto;
}

/* 1. Header (Respiro Superior Livre) */
.sleek-header {
  width: 100%;
  flex-shrink: 0;
  min-height: 12px;
}

/* 2. Centro (Palco Silencioso) */
.sleek-main {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px 0;
}

/* Emblema Vertical com Respiro Amplo */
.brand-vertical-emblem {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(18px, 3.4vh, 28px);
  position: relative;
}

.brand-vertical-emblem svg {
  width: clamp(26px, 4vh, 34px);
  height: auto;
  fill: var(--accent-orange);
  filter: drop-shadow(0 0 12px var(--accent-glow));
  transition: transform 0.3s ease;
}

.brand-vertical-emblem:hover svg {
  transform: translateY(-2px) scale(1.04);
}

.brand-vertical-emblem .emblem-title {
  font-family: var(--font-brand);
  font-size: clamp(0.92rem, 1.7vw, 1.2rem);
  font-weight: 700;
  letter-spacing: 0.46em;
  color: var(--text-white);
  text-transform: uppercase;
}

/* Linha Luminosa Eclipse: Delicada e com Ar ao Redor */
.eclipse-line {
  width: clamp(65px, 9vw, 95px);
  height: 1.5px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 87, 34, 0.25) 20%, #FF5722 50%, rgba(255, 87, 34, 0.25) 80%, transparent 100%);
  box-shadow: 0 0 8px rgba(255, 87, 34, 0.55), 0 0 18px rgba(255, 87, 34, 0.25);
  margin-bottom: clamp(22px, 3.8vh, 34px);
  border-radius: 2px;
  position: relative;
}

/* Headline Principal com Respiração Nobre */
.sleek-heading {
  font-family: var(--font-head);
  font-size: clamp(1.95rem, 5vh, 3.7rem);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--text-white);
  margin-bottom: clamp(16px, 2.6vh, 22px);
  text-wrap: balance;
  word-break: keep-all;
  hyphens: none;
}

.sleek-heading .line-1,
.sleek-heading .line-2 {
  display: block;
}

/* Subtítulo Arejado */
.sleek-caption {
  font-size: clamp(0.86rem, 1.7vh, 1.02rem);
  font-weight: 300;
  color: var(--text-silver);
  letter-spacing: 0.03em;
  line-height: 1.6;
  margin-bottom: clamp(28px, 5vh, 46px);
  text-wrap: balance;
}

.sleek-caption .caption-line {
  display: inline-block;
}

.sleek-caption .caption-line.highlight {
  color: var(--accent-orange);
  font-weight: 500;
}

/* Barra de Captura Isolada com Elegância */
.sleek-form {
  width: 100%;
  max-width: 460px;
}

.input-line {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-light);
  border-radius: 40px;
  padding: 5px 6px 5px 22px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all 0.25s ease;
}

.input-line:focus-within {
  border-color: var(--border-focus);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 87, 34, 0.12);
}

.input-line input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-white);
  font-family: var(--font-text);
  font-size: clamp(0.84rem, 1.5vh, 0.92rem);
  padding: 10px 0;
}

.input-line input::placeholder {
  color: var(--text-muted);
}

.input-line button {
  background: var(--text-white);
  color: #000000;
  border: none;
  outline: none;
  padding: 11px 22px;
  border-radius: 30px;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.input-line button:hover {
  background: var(--accent-orange);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.input-line button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Feedback */
.sleek-feedback {
  margin-top: 14px;
  font-size: 0.82rem;
  min-height: 18px;
  display: none;
}

.sleek-feedback.success {
  display: block;
  color: #81C784;
}

.sleek-feedback.error {
  display: block;
  color: #E57373;
}

/* 3. Rodapé Minimalista Integrado */
.sleek-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  flex-shrink: 0;
  font-size: clamp(0.62rem, 1vh, 0.7rem);
  letter-spacing: 0.16em;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 14px;
}

.sleek-footer a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.sleek-footer a:hover {
  color: var(--text-white);
}

/* ==========================================================================
   AFINAÇÃO PRECISA PARA SMARTPHONES (MA & NEGATIVE SPACE NO MOBILE)
   ========================================================================== */
@media (max-width: 520px) {
  .sleek-container {
    padding: 22px 20px 16px;
  }

  .brand-vertical-emblem {
    margin-bottom: 12px;
    gap: 8px;
  }

  .brand-vertical-emblem svg {
    width: 25px;
  }

  .brand-vertical-emblem .emblem-title {
    font-size: 0.9rem;
    letter-spacing: 0.38em;
  }

  .eclipse-line {
    width: 58px;
    margin-bottom: 16px;
  }

  .sleek-heading {
    font-size: clamp(1.45rem, 6.6vw, 1.9rem);
    line-height: 1.24;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
  }

  .sleek-heading .line-1,
  .sleek-heading .line-2 {
    display: block;
    width: 100%;
  }

  .sleek-caption {
    font-size: clamp(0.8rem, 3.4vw, 0.88rem);
    line-height: 1.5;
    max-width: 310px;
    margin: 0 auto 24px;
  }

  .sleek-caption .caption-line {
    display: block;
  }

  .sleek-caption .caption-line.highlight {
    margin-top: 3px;
  }

  .sleek-form {
    max-width: 100%;
    width: 100%;
  }

  .input-line {
    padding: 4px 5px 4px 16px;
  }

  .input-line input {
    font-size: 0.84rem;
  }

  .input-line button {
    padding: 10px 16px;
    font-size: 0.76rem;
  }
}