/* ===============================
   Gold Pearl Gateway — Split Screen
   =============================== */

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

/* ===== Root Variables ===== */

:root {
  --gold: #d4af37;
  --gold-dark: #b8960b;

  --grey-dark: #1a1a1a;
  --grey-medium: #3a3c42;
  --grey-light: #718096;

  --white: #ffffff;

  --shadow-hover: 0 15px 40px rgba(212,175,55,0.3);
}

/* ===== Base ===== */

html,
body {
  height: 100%;
}

body {
  font-family: 'Montserrat', sans-serif;
  color: var(--grey-dark);
  line-height: 1.5;
  overflow: hidden;
}

/* ===== Gateway Layout ===== */

.gateway {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* ===== Left Content Panel ===== */

.content-panel {
  flex: 1;
  background: var(--white);
  padding: 2.25rem 2rem;

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1.1rem;
}

/* ===== Text ===== */

.welcome {
  font-size: clamp(2rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--gold);
  text-align: center;
}

.subtext {
  font-size: clamp(1rem, 2.3vw, 1.15rem);
  font-weight: 400;
  color: var(--grey-medium);
  text-align: center;
  max-width: 420px;
}

.prompt {
  font-size: clamp(1.4rem, 3vw, 1.6rem);
  font-weight: 600;
  text-align: center;
  margin: 0.75rem 0 0.5rem;
}

/* ===== Buttons ===== */

.buttons {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
}

.btn {
  width: 100%;
  max-width: 340px;
  min-height: clamp(64px, 8vh, 86px);

  padding: 0.75rem 1.25rem;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  background: rgba(255,255,255,0.95);
  border: 1px solid #e2e8f0;
  border-radius: 16px;

  color: var(--grey-dark);
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 500;

  transition: all 0.3s ease;
}

.btn-subtext {
  font-size: 0.75rem;
  color: var(--grey-light);
  margin-top: 0.25rem;
  text-align: center;
}

/* ===== Hover ===== */

.btn:hover {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: var(--white);
  border-color: var(--gold);
  box-shadow: var(--shadow-hover);
}

.btn:hover .btn-subtext {
  color: rgba(255,255,255,0.9);
}

/* ===== Right Image Panel ===== */

.image-panel {
  flex: 1;
  background:
    linear-gradient(rgba(0,0,0,0.45), rgba(0,0,0,0.25)),
    url('../images/gateway.png');
  background-size: cover;
  background-position: center;
  min-height: 40vh;
}

/* ===== Mobile ===== */

@media (max-width: 900px) {
  .gateway {
    flex-direction: column;
    height: auto;
    min-height: 100vh;
    overflow: auto;            /* allow scroll if needed */
  }

  /* Hide image panel on mobile */
  .image-panel {
    display: none;
  }

  .content-panel {
    width: 100%;
    height: auto;
    padding: 3.5rem 1.75rem 2.75rem;  /* more top + bottom space */
    justify-content: flex-start;      /* start at top */
    gap: 1.25rem;                     /* looser vertical rhythm */
  }

  .welcome {
    font-size: clamp(1.9rem, 4.5vw, 2.3rem);
  }

  .subtext {
    font-size: clamp(0.95rem, 3.2vw, 1.1rem);
  }

  .prompt {
    font-size: clamp(1.1rem, 3.4vw, 1.3rem);
    margin-top: 0.5rem;
  }

  .buttons {
    align-items: stretch;
    margin-top: 0.75rem;             /* push buttons a bit lower */
    gap: 1rem;
  }

  .btn {
    max-width: 100%;
    min-height: 56px;
  }
}

@media (max-width: 480px) {
  .content-panel {
    padding: 3.25rem 1.5rem 2.5rem;
    gap: 1.2rem;
  }

  .welcome {
    font-size: clamp(1.7rem, 5vw, 2.1rem);
  }

  .subtext,
  .prompt {
    font-size: clamp(0.9rem, 3.4vw, 1.05rem);
  }

  .buttons {
    gap: 0.95rem;
  }

  .btn {
    padding: 0.65rem 1rem;
    font-size: 1rem;
  }
}