:root {
  /* Updated Light to Dark Theme */
  --bg-top: #ffffff;
  --bg-bottom: #1a1f1c;
  /* Dark charcoal */
  --text-main: #0a0b0a;
  /* Dark text for top section */
  --text-muted: #4a504a;
  /* Muted dark text */
  --accent-green: #3abf5b;
  --accent-glow: rgba(58, 191, 91, 0.15);

  --font-serif: "Cormorant Garamond", serif;
  --font-sans: "Manrope", sans-serif;
  --font-mono: "Sora", sans-serif;

  --radius-pill: 999px;
  --ease-smooth: cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
  font-size: 16px;
  background-color: var(--bg-top);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text-main);
  background: linear-gradient(to bottom, var(--bg-top) 0%, #e2e4e2 50%, var(--bg-bottom) 100%);
  background-attachment: fixed;
  line-height: 1.6;
  overflow: hidden;
  /* Hide scroll initially */
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

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

/* Splash Screen (Logo Animation) */
.splash {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-top) radial-gradient(circle at 50% 50%, rgba(58, 191, 91, 0.05), transparent 60%);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 1.2s var(--ease-smooth), visibility 1.2s var(--ease-smooth);
}

.splash.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.splash__logo-image {
  position: relative;
  width: clamp(350px, 65vw, 800px);
  /* Increased size for initial graphic */
  max-width: 90vw;
  /* Visual halving of the logo */
  --split-point: 50%;
  display: flex;
}

.splash__img-part {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  transform: translateY(-50%);
  opacity: 0;
}

.splash__img-part--left {
  position: relative;
  top: auto;
  transform: translateY(0) translateX(-60px);
  clip-path: polygon(0 0, var(--split-point) 0, var(--split-point) 100%, 0 100%);
  animation: slideInLeftImage 1.4s var(--ease-smooth) forwards 0.2s;
}

.splash__img-part--right {
  transform: translateY(-50%) translateX(60px);
  clip-path: polygon(var(--split-point) 0, 100% 0, 100% 100%, var(--split-point) 100%);
  animation: slideInRightImage 1.4s var(--ease-smooth) forwards 0.2s;
}

.splash__img-part img {
  width: 100%;
  height: auto;
  display: block;
}

@keyframes slideInLeftImage {
  100% {
    transform: translateY(0) translateX(0);
    opacity: 1;
  }
}

@keyframes slideInRightImage {
  100% {
    transform: translateY(-50%) translateX(0);
    opacity: 1;
  }
}

/* Landing Content */
.landing {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem 2rem;
}

.container {
  max-width: 700px;
  width: 100%;
}

.brand-lockup {
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.brand-logo {
  height: clamp(80px, 15vw, 150px);
  width: auto;
}

.brand-icon {
  height: clamp(40px, 8vw, 65px);
  width: auto;
  opacity: 0.85;
}

.messaging {
  margin-bottom: 3.5rem;
}

.messaging h1.portuguese {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 500;
  margin: 0 0 0.5rem;
  color: var(--text-main);
  line-height: 1.1;
}

.messaging p.english {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin: 0;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  align-items: center;
}

.icon-link {
  color: var(--text-main);
  transition: transform 0.3s var(--ease-smooth), color 0.3s var(--ease-smooth);
  display: inline-flex;
}

.icon-link:hover {
  transform: translateY(-3px);
  color: var(--accent-green);
}

footer {
  padding: 1.5rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.4);
  /* Text should be visible on dark bottom */
}

/* Scroll Animations */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 1.2s cubic-bezier(0.22, 1, 0.36, 1), transform 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}