/* ===================================
   Brunelli Nutricionista - Styles
   =================================== */

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

/* --- Design Tokens --- */
:root {
  /* Cores */
  --color-primary: #6FA5AA;
  --color-text-primary: #354857;
  --color-text-secondary: #4A6670;
  --color-text-tertiary: #5A7A82; /* Darkened para contraste WCAG */

  /* Backgrounds */
  --bg-gradient-start: #E8F0F1;
  --bg-gradient-mid: #C4D8DC;
  --bg-gradient-end: #9DC3C7;

  /* Transparências */
  --color-white-055: rgba(255, 255, 255, 0.55);
  --color-white-08: rgba(255, 255, 255, 0.8);
  --color-primary-alpha-04: rgba(111, 165, 170, 0.4);
  --color-primary-alpha-035: rgba(111, 165, 170, 0.35);
  --color-primary-alpha-02: rgba(111, 165, 170, 0.2);

  /* Espaçamento */
  --spacing-xs: 4px;
  --spacing-sm: 12px;
  --spacing-md: 20px;
  --spacing-lg: 28px;
  --spacing-xl: 40px;
  --spacing-2xl: 60px;

  /* Container */
  --container-max-width: 440px;
  --container-max-width-tablet: 480px;
  --container-max-width-desktop: 520px;
}

/* --- Base --- */
html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(160deg, var(--bg-gradient-start) 0%, var(--bg-gradient-mid) 50%, var(--bg-gradient-end) 100%);
  color: var(--color-text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  overflow-x: hidden;
}

/* --- Decoração de fundo --- */
.bg-decoration {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.circle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.07;
  background: var(--color-text-primary);
  will-change: transform;
}

.circle-1 {
  width: 300px; height: 300px;
  top: -80px; right: -60px;
  animation: bg-float 18s ease-in-out infinite;
}

.circle-2 {
  width: 200px; height: 200px;
  bottom: 10%; left: -50px;
  animation: bg-float 22s ease-in-out infinite reverse;
}

.circle-3 {
  width: 150px; height: 150px;
  top: 40%; right: -30px;
  animation: bg-float 15s ease-in-out infinite 3s;
}

@keyframes bg-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-25px) scale(1.04); }
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  padding: var(--spacing-xl) var(--spacing-md) 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

/* --- Perfil --- */
.profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-sm);
}

.profile-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-primary-alpha-04);
  box-shadow:
    0 4px 12px rgba(53, 72, 87, 0.12),
    0 12px 32px rgba(53, 72, 87, 0.08);
  animation: photo-float 4s ease-in-out infinite;
  will-change: transform;
}

@keyframes photo-float {
  0%, 100% { transform: translateY(0); box-shadow: 0 4px 12px rgba(53,72,87,0.12), 0 12px 32px rgba(53,72,87,0.08); }
  50% { transform: translateY(-10px); box-shadow: 0 8px 20px rgba(53,72,87,0.15), 0 20px 48px rgba(53,72,87,0.10); }
}

.profile-logo {
  width: 200px;
  max-width: 70%;
  height: auto;
  object-fit: contain;
  margin-top: var(--spacing-xs);
}

.profile-subtitle {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-text-tertiary);
  letter-spacing: 0.02em;
}

.profile-desc {
  font-size: 0.8125rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  line-height: 1.5;
  max-width: 320px;
}

/* --- Animações de entrada --- */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.profile-photo     { animation: fade-up 0.6s ease both, photo-float 4s ease-in-out 0.6s infinite; }
.profile-logo      { opacity: 0; animation: fade-up 0.6s ease 0.15s both; }
.profile-subtitle  { opacity: 0; animation: fade-up 0.5s ease 0.3s both; }
.profile-desc      { opacity: 0; animation: fade-up 0.5s ease 0.4s both; }

.link-card:nth-of-type(1) { opacity: 0; animation: fade-up 0.5s ease 0.55s both; }
.link-card:nth-of-type(2) { opacity: 0; animation: fade-up 0.5s ease 0.7s both; }
.link-card:nth-of-type(3) { opacity: 0; animation: fade-up 0.5s ease 0.85s both; }

.footer { opacity: 0; animation: fade-up 0.4s ease 1s both; }

/* --- Links --- */
.links {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.link-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: 14px 18px;
  background: var(--color-white-055);
  border: 1.5px solid var(--color-primary-alpha-035);
  border-radius: 14px;
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.link-card:hover,
.link-card:active {
  background: var(--color-white-08);
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px var(--color-primary-alpha-02);
}

.link-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.link-text {
  flex: 1;
}

/* --- Footer --- */
.footer {
  margin-top: auto;
  padding-top: 16px;
  text-align: center;
}

.footer p {
  font-size: 0.625rem;
  color: var(--color-text-tertiary);
  font-weight: 300;
  opacity: 0.85;
}

/* --- Responsivo --- */

/* Small phones (max 360px) */
@media (max-width: 360px) {
  .container {
    padding: 28px 14px 16px;
    gap: var(--spacing-md);
  }

  .profile-photo {
    width: 100px;
    height: 100px;
  }

  .profile-logo {
    width: 160px;
  }

  .link-card {
    padding: 12px 14px;
    font-size: 0.8125rem;
  }
}

/* Large phones (361px - 480px) */
@media (min-width: 361px) and (max-width: 480px) {
  .container {
    padding: 36px 18px 20px;
    gap: 24px;
  }

  .profile-photo {
    width: 110px;
    height: 110px;
  }

  .profile-logo {
    width: 180px;
  }

  .link-card {
    padding: 13px 16px;
    font-size: 0.875rem;
  }
}

/* Tablets (481px - 767px) */
@media (min-width: 481px) and (max-width: 767px) {
  .container {
    padding: 48px 22px 28px;
    gap: 26px;
    max-width: var(--container-max-width-tablet);
  }

  .profile-photo {
    width: 130px;
    height: 130px;
  }

  .profile-logo {
    width: 220px;
  }

  .link-card {
    padding: 15px 20px;
    font-size: 0.9rem;
  }
}

/* Desktop (768px+) */
@media (min-width: 768px) {
  .container {
    padding: var(--spacing-2xl) 24px 32px;
  }

  .profile-photo {
    width: 140px;
    height: 140px;
  }

  .profile-logo {
    width: 240px;
  }

  .link-card {
    padding: 16px 22px;
    font-size: 0.9375rem;
  }
}

/* Large desktops (1024px+) */
@media (min-width: 1024px) {
  .container {
    max-width: var(--container-max-width-desktop);
    padding: 80px 24px var(--spacing-xl);
  }

  .profile-photo {
    width: 150px;
    height: 150px;
  }

  .profile-logo {
    width: 260px;
  }
}

/* --- Acessibilidade --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.link-card:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  box-shadow: 0 0 0 6px rgba(111, 165, 170, 0.15);
}

/* --- Acessibilidade: Visually Hidden --- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Print --- */
@media print {
  body { background: white; }
  .bg-decoration { display: none; }
}