:root {
    --bg-color: #0b0617;
    --card-color: rgba(255, 255, 255, 0.05);
    --accent-color: #b96eff;
    --accent-glow: rgba(185, 110, 255, 0.4);
    --text-color: #ddd6ff;
    --text-color2: #5cfd84;
    --link-hover: #d0a8ff;
    --radius: 16px;
}

/* RESET */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: "Segoe UI", sans-serif;
}

html, body {
    height: auto;
    min-height: 100svh; /* Keeps background coverage */
    background: var(--bg-color);
    overflow-x: hidden;
    overflow-y: hidden; /* NEW: Prevent vertical scroll; content will fit via media queries */
    color: var(--text-color);
    display: flex; /* NEW: Enable flex for vertical centering */
    align-items: center; /* NEW: Center content vertically */
    justify-content: center; /* NEW: Center horizontally */
}

/* Fondo fijo que cubre siempre la ventana */
#background {
    position: fixed;
    inset: 0;
    z-index: -1;
    width: 100%;
    height: 100svh;
    background: var(--bg-color);
}

/* CONTENEDOR PRINCIPAL */
.container {
    width: 100%;
    max-width: 400px;
    text-align: center;
    margin: 0 auto; /* CHANGED: Remove vertical margin; flex on body handles centering */
    padding-inline: 2rem;
    padding-block: clamp(8px, 3vh, 32px); /* CHANGED: Reduced clamp for shorter defaults */
    display: block;
}

/* Recuadro acrílico para perfil */
.profile {
    background: var(--card-color);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 0 30px var(--accent-glow);
    padding: clamp(1rem, 4vh, 2rem); /* CHANGED: Clamp for dynamic padding */
    margin-bottom: clamp(1rem, 3vh, 2rem); /* CHANGED: Dynamic margin */
    border: 1px solid rgba(255, 255, 255, 0.041);
    transition: transform 0.25s ease;
}

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

.avatar {
    width: clamp(80px, 15vh, 100px); /* CHANGED: Clamp to scale down on short heights */
    height: clamp(80px, 15vh, 100px);
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-color);
    box-shadow: 0 0 15px var(--accent-color);
    margin: 0 auto; /* Ensure centered */
}

/* Titulares y textos */
h1 {
    margin: clamp(0.5rem, 2vh, 1rem) 0 clamp(0.1rem, 1vh, 0.25rem); /* CHANGED: Dynamic margins */
    font-size: clamp(1.2rem, 5vh, 1.6rem); /* CHANGED: Scale font */
    color: var(--text-color2);
}
p {
    font-size: clamp(0.8rem, 3vh, 0.95rem); /* CHANGED: Scale font */
    opacity: 0.9;
    color: var(--text-color);
}

/* Enlaces (botones) */
.links {
    display: block;
    gap: 1rem;
    margin: clamp(1rem, 3vh, 2rem) 0; /* CHANGED: Dynamic margin */
}

.links a {
    display: block;
    background: var(--card-color);
    padding: clamp(0.6rem, 2vh, 1rem); /* CHANGED: Clamp for smaller padding on short heights */
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--accent-color);
    font-weight: 700;
    font-size: clamp(0.85rem, 3vh, 1rem); /* NEW: Scale font */
    transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
    box-shadow: 0 6px 18px rgba(0,0,0,0.35), 0 4px 10px rgba(185, 110, 255, 0.06);
    margin: clamp(0.4rem, 1.5vh, 0.6rem) 0; /* CHANGED: Smaller dynamic margins */
    text-align: center;
}

.links a:hover {
    transform: translateY(-4px) scale(1.02);
    background: linear-gradient(180deg, rgba(185,110,255,0.12), rgba(185,110,255,0.06));
    color: var(--link-hover);
}

/* Footer */
footer {
    font-size: clamp(0.7rem, 2vh, 0.8rem); /* CHANGED: Scale font */
    opacity: 0.6;
    color: var(--text-color);
    margin-top: clamp(1rem, 2vh, 1.5rem); /* CHANGED: Dynamic margin */
}

/* Selección de texto */
::-moz-selection { background-color: #e2e2a6; color: #000; }
::selection { background-color: #e2e2a6; color: #000; }

/* ---------------------------
   GRID / COLUMNS (unchanged, as it's not affecting vertical)
   --------------------------- */

/* SECTIONS */
.section {
    clear: both;
    padding: 0;
    margin: 0;
}

/* COLUMN SETUP */
.col {
    display: block;
    float: left;
    margin: 1% 0 1% 1.6%;
}
.col:first-child { margin-left: 0; }

/* GROUPING (clearfix) */
.group:before,
.group:after {
    content: "";
    display: table;
}
.group:after {
    clear: both;
}
.group {
    zoom: 1; /* IE 6/7 fallback */
}

/* GRID WIDTHS */
.span_3_of_3 { width: 100%; }
.span_2_of_3 { width: 66.1%; }
.span_1_of_3 { width: 32.2%; }

/* GO FULL WIDTH AT LESS THAN 480 PIXELS */
@media only screen and (max-width: 480px) {
    .col { margin: 1% 0 1% 0%; }
    .span_3_of_3, .span_2_of_3, .span_1_of_3 { width: 100%; }
}

/* ---------------------------
   Ajustes por altura / responsivo
   --------------------------- */

/* Ventanas relativamente bajas: reducimos paddings y tamaños */
@media (max-height: 720px) {
    .container { padding-block: clamp(6px, 2vh, 20px); } /* UPDATED: More reduction */
    .profile { padding: clamp(0.8rem, 3vh, 1.5rem); margin-bottom: 1rem; }
    .avatar { width: clamp(70px, 12vh, 84px); height: clamp(70px, 12vh, 84px); }
    h1 { font-size: clamp(1.1rem, 4vh, 1.3rem); }
    .links a { padding: clamp(0.5rem, 1.5vh, 0.75rem); font-size: clamp(0.8rem, 2.5vh, 0.95rem); margin: 0.4rem 0; }
    footer { margin-top: 0.8rem; }
}

/* NEW: Additional query for shorter heights (e.g., 600px) */
@media (max-height: 600px) {
    .container { padding-block: clamp(4px, 1vh, 12px); }
    .profile { padding: clamp(0.6rem, 2vh, 1rem); margin-bottom: 0.8rem; }
    .avatar { width: clamp(60px, 10vh, 72px); height: clamp(60px, 10vh, 72px); }
    h1 { font-size: clamp(1rem, 3vh, 1.2rem); margin: 0.4rem 0 0.1rem; }
    p { font-size: clamp(0.7rem, 2vh, 0.85rem); }
    .links { margin: 1rem 0; }
    .links a { padding: clamp(0.4rem, 1vh, 0.6rem); margin: 0.3rem 0; font-size: clamp(0.75rem, 2vh, 0.9rem); }
    footer { font-size: clamp(0.6rem, 1.5vh, 0.7rem); margin-top: 0.6rem; }
}

/* NEW: Ultra-short heights (e.g., <480px, like mobile landscape) - aggressive shrinking */
@media (max-height: 480px) {
    .container { padding-block: 4px; }
    .profile { padding: 0.5rem; margin-bottom: 0.5rem; }
    .avatar { width: 50px; height: 50px; } /* Fixed min for usability */
    h1 { font-size: 1rem; margin: 0.3rem 0 0; }
    p { font-size: 0.7rem; }
    .links { margin: 0.5rem 0; }
    .links a { padding: 0.3rem; margin: 0.2rem 0; font-size: 0.75rem; border-radius: 10px; } /* Smaller radius for compactness */
    footer { font-size: 0.6rem; margin-top: 0.4rem; }
}

/* Viewports muy angostos: compactar aún más (unchanged) */
@media (max-width: 360px) {
    .avatar { width: 72px; height: 72px; }
    h1 { font-size: 1.1rem; }
    .links a { padding: 0.6rem; font-size: 0.9rem; border-radius: 12px; }
}

/* Si quieres aún más control sobre columnas para desktop, aquí un pequeño ajuste (unchanged) */
@media (min-width: 900px) {
    /* ejemplo: usar dos columnas dentro de profile si lo deseas */
    .profile .col { margin: 0 1rem; }
}

/* pequeños detalles estéticos */
a { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; display: block; }

/* Accessibility tweaks */
:focus { outline: 3px solid rgba(185,110,255,0.18); outline-offset: 2px; }

/* END */