/* ========================================================================== */
/*                                 Variáveis e Reset                          */
/* ========================================================================== */

:root {
    /* Cor Neon Principal */
    --neon-primary: #00ffff; /* Ciano */
    
    /* Cores Base */
    --bg-primary: #0a0a0a;    /* Preto quase total */
    --bg-secondary: #0d1a1a;  /* Preto com leve tom de ciano */
    --bg-tertiary: #1a3333; /* Ciano bem escuro */
    --text-primary: #ffffff;   /* Branco */
    --text-secondary: #cccccc; /* Cinza claro */

    --color-red: #FF2900;
    --color-yellow: #FBFF00;
    --color-green: #40ff00;
    --color-orange: #ff8000;
    --color-pink: #ff00ff;
    --color-white: #ffffff;
    
    /* Fontes */
    --font-primary: 'Orbitron', monospace;
    --font-secondary: 'Exo 2', sans-serif;
    
    /* Efeitos */
    --glow-size: 20px;
    --border-radius: 8px;
    
    /* Bootstrap Overrides */
    --bs-body-bg: var(--bg-primary);
    --bs-body-color: var(--text-primary);
    --bs-primary: var(--neon-primary);
    --bs-info: var(--neon-primary);
}

body {
    font-family: var(--font-secondary);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    overflow-x: hidden;
}

/* ========================================================================== */
/*                                 Background Canvas                          */
/* ========================================================================== */

#neon-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* ========================================================================== */
/*                                 Utilitários Neon                           */
/* ========================================================================== */

.neon-text {
    color: var(--color-yellow);
    text-shadow: 
        0 0 5px var(--color-yellow),
        0 0 10px var(--color-yellow),
        0 0 15px var(--color-yellow),
        0 0 20px var(--color-yellow);
    font-family: var(--font-primary);
    font-weight: 700;
}

.neon-link {
    position: relative;
    color: var(--text-primary) !important;
    text-decoration: none;
    transition: all 0.3s ease;
    font-family: var(--font-primary);
    font-weight: 600;
    letter-spacing: 1px;
}

.neon-link:hover, .navbar-nav .nav-link.active {
    color: var(--neon-primary) !important;
    text-shadow: 0 0 10px var(--neon-primary);
}

/* ========================================================================== */
/*                                 Navegação                                  */
/* ========================================================================== */

.neon-nav {
    background: rgba(0, 0, 0, 0.9) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--neon-primary);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 900;
}

.navbar-toggler {
    border: 2px solid var(--neon-primary);
    background: transparent;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.25rem rgba(0, 255, 255, 0.25);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%2300ffff' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e" );
}

/* ========================================================================== */
/*                                 Seção Hero                                 */
/* ========================================================================== */

.hero-section {
    position: relative;
    padding: 6rem 0 4rem;
}

.letter {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 900;
    color: var(--neon-primary);
    text-shadow: 
        0 0 10px var(--neon-primary),
        0 0 20px var(--neon-primary),
        0 0 30px var(--neon-primary);
    animation: letterGlow 2s ease-in-out infinite alternate;
}

.letter:nth-child(2) { animation-delay: 0.2s; }
.letter:nth-child(3) { animation-delay: 0.4s; }
.letter:nth-child(4) { animation-delay: 0.6s; }
.letter:nth-child(5) { animation-delay: 0.8s; }

@keyframes letterGlow {
    from { text-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary); }
    to { text-shadow: 0 0 20px var(--neon-primary), 0 0 30px var(--neon-primary); }
}

.hero-subtitle {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    color: var(--color-red); /* Alterado de rosa para branco */
}

.cursor-neon {
    animation: cursorBlink 1s infinite;
    color: var(--neon-primary); /* Alterado de rosa para ciano */
    text-shadow: 0 0 10px var(--neon-primary);
}

@keyframes cursorBlink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.profile-container {
    position: relative;
    width: 300px;
    height: 300px;
    max-width: 100%;
}

.profile-glow {
    position: absolute;
    top: -10px; left: -10px; right: -10px; bottom: -10px;
    background: conic-gradient(var(--neon-primary), var(--bg-secondary), var(--neon-primary)); /* Simplificado */
    border-radius: 50%;
    animation: profileRotate 4s linear infinite;
    z-index: -1;
}

@keyframes profileRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.profile-image {
    width: 100%; height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--bg-primary);
}

.scroll-indicator {
    animation: scrollPulse 2s ease-in-out infinite;
}

.scroll-arrow {
    width: 2px; height: 30px;
    background: linear-gradient(to bottom, transparent, var(--neon-primary));
    position: relative;
}

.scroll-arrow::after {
    content: ''; position: absolute; bottom: 0; left: -3px;
    width: 0; height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 8px solid var(--neon-primary);
}

.scroll-text {
    font-family: var(--font-primary);
    font-size: 0.8rem;
    color: var(--neon-primary);
    letter-spacing: 2px;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.5; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(10px); }
}

/* ========================================================================== */
/*                                 Títulos de Seção                           */
/* ========================================================================== */

.section-title {
    font-size: 2.5rem;
    font-family: var(--font-primary);
    letter-spacing: 3px;
}

/* ========================================================================== */
/*                                 Seção About                                */
/* ========================================================================== */

.about-terminal {
    background: rgba(13, 26, 26, 0.5);
    border: 2px solid var(--color-red);
    border-radius: var(--border-radius);
    box-shadow: 0 0 20px rgba(255, 0, 0, 0.3), inset 0 0 20px rgba(255, 0, 0, 0.1);
    overflow: hidden;
}

.terminal-header {
    background: var(--color-red);
    color: var(--bg-primary);
    padding: 0.75rem 1rem;
    font-family: var(--font-primary);
    font-weight: 600;
}

.terminal-header-credit {
    background: var(--color-pink);
    color: var(--bg-primary);
    padding: 0.75rem 1rem;
    font-family: var(--font-primary);
    font-weight: 600;
}

.terminal-controls .control {
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 1px solid var(--bg-primary);
}

.terminal-body {
    font-family: 'Courier New', monospace;
    line-height: 1.8;
}

.prompt {
    color: var(--color-green);
    font-weight: bold;
    margin-right: 0.5rem;
}

.prompt-info {
    color: var(--color-red);
    font-weight: bold;
    margin-right: 0.5rem;
}

.prompt-credit {
    color: var(--color-pink);
    font-weight: bold;
    margin-right: 0.5rem;
}

.highlight {
    color: var(--text-primary); /* Destaque agora é branco para contraste */
    font-weight: 600;
    background-color: rgba(0, 255, 255, 0.1);
    padding: 0 4px;
}

/* ========================================================================== */
/*                                 Seção Skills                               */
/* ========================================================================== */

.skill-category {
    background: rgba(13, 26, 26, 0.4);
    border: 1px solid var(--color-orange);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: 0 0 15px rgba(255, 128, 0, 0.1);
    transition: all 0.3s ease;
}

.skill-category:hover {
    border-color: var(--color-orange);
    box-shadow: 0 0 20px rgba(255, 128, 0, 0.3);
}

.category-title {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    color: var(--color-orange);
    text-shadow: 0 0 10px var(--color-orange);
    letter-spacing: 2px;
}

.skill-chip {
    background: rgba(255, 128, 0, 0.05);
    border: 1px solid var(--bg-tertiary);
    border-radius: 25px;
    padding: 1rem;
    transition: all 0.3s ease;
}

.skill-chip:hover {
    background: rgba(255, 128, 0, 0.1);
    border-color: var(--color-orange);
    transform: translateY(-2px);
}

.skill-icon {font-size: 1.5rem;width: 30px;text-align: center;margin-right: 0.5rem !important;}
.skill-name { font-weight: 600; color: var(--text-primary); }

.skill-points {
    display: flex;
    gap: 6px; /* espaço entre as bolinhas */
}

.point {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #ccc; /* bolinha vazia */
}

/* Pintar conforme o nível (1 a 5) */
.skill-points[data-level="1"] .point:nth-child(-n+1),
.skill-points[data-level="2"] .point:nth-child(-n+2),
.skill-points[data-level="3"] .point:nth-child(-n+3),
.skill-points[data-level="4"] .point:nth-child(-n+4),
.skill-points[data-level="5"] .point:nth-child(-n+5) {
    background-color: var(--color-yellow); /* cor da bolinha preenchida */
}

/* ========================================================================== */
/*                                 Seção Projects                             */
/* ========================================================================== */

.project-card {
    background: rgba(255, 0, 191, 0.1);
    border: 2px solid var(--bg-tertiary);
    border-radius: var(--border-radius);
    padding: 2rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    border-color: var(--neon-primary);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
    transform: translateY(-5px);
}

.project-title {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    color: var(--neon-primary);
    text-shadow: 0 0 10px var(--neon-primary);
}

.project-status {
    background: rgba(0, 255, 255, 0.8);
    color: var(--bg-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font-primary);
}

.project-status-dev {
    background: rgba(204, 204, 204, 0.8);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    flex-grow: 1;
}

.tech-tag {
    background: rgba(0, 255, 255, 0.1);
    color: var(--neon-primary);
    border: 1px solid var(--neon-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-family: var(--font-primary);
    display: inline-block;
}

.project-link {
    background: transparent;
    color: var(--neon-primary);
    border: 2px solid var(--neon-primary);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    text-decoration: none;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    background: var(--neon-primary);
    color: var(--bg-primary);
    box-shadow: 0 0 15px var(--neon-primary);
}

.project-link-disabled {
    opacity: 0.6;
    cursor: not-allowed;
    border-color: var(--text-secondary);
    color: var(--text-secondary);
}

.project-link-disabled:hover {
    background: transparent;
    color: var(--text-secondary);
    box-shadow: none;
}

/* ========================================================================== */
/*                                 Seção Contact                              */
/* ========================================================================== */

.contact-terminal {
    background: rgba(13, 26, 26, 0.5);
    border: 2px solid var(--color-green);
    border-radius: var(--border-radius);
    box-shadow: 0 0 20px rgba(64, 255, 0, 0.3);
}

.credit-terminal {
    background: rgba(13, 26, 26, 0.5);
    border: 2px solid var(--color-pink);
    border-radius: var(--border-radius);
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.3);
}

.contact-terminal .terminal-header {
    background: var(--color-green);
    color: var(--bg-primary);
}

.contact-button {
    position: relative;
    background: transparent;
    color: var(--color-green);
    border: 2px solid var(--color-green);
    padding: 1rem 2rem;
    border-radius: 5px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1.1rem;
    text-align: center;
    transition: all 0.3s ease;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-button:hover {
    color: var(--bg-primary);
    box-shadow: 0 0 25px var(--color-green);
}

.button-glow {
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: var(--color-green);
    transition: left 0.3s ease;
    z-index: -1;
}

.contact-button:hover .button-glow {
    left: 0;
}

/* ========================================================================== */
/*                                 Footer                                     */
/* ========================================================================== */

.footer {
    background: rgba(0, 0, 0, 0.9);
    border-top: 1px solid var(--neon-primary);
    padding: 70px;
}

.footer-text {
    font-family: var(--font-primary);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.timestamp {
    color: var(--color-pink);
    text-shadow: 0 0 5px var(--color-pink);
}

/* ========================================================================== */
/*                                 Outros                                     */
/* ========================================================================== */

html { scroll-behavior: smooth; }

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Scroll geral */
::-webkit-scrollbar {
    width: 10px;              /* largura do scroll vertical */
    height: 10px;             /* altura do scroll horizontal */
}

/* Fundo do scroll */
::-webkit-scrollbar-track {
    background: var(--bg-primary);       /* cor do fundo da barra */
    border-radius: 10px;
}

/* A barra (thumb) */
::-webkit-scrollbar-thumb {
    background: var(--neon-primary);       /* cor principal */
    border-radius: 10px;
    border: 2px solid var(--bg-primary); /* espaço entre o thumb e o track */
    transition: background 0.3s ease;
}

/* Hover no thumb */
::-webkit-scrollbar-thumb:hover {
    background:  var(--neon-primary);       /* tom mais claro ao passar o mouse */
}

/* Firefox */
* {
    scrollbar-width: thin;           /* fino */
    scrollbar-color:  var(--neon-primary) var(--bg-primary); /* cor thumb | cor track */
}

/* Estilo para o Modal */
.modal-content.neon-modal {
    background: rgba(10, 10, 10, 0.9);
    border: 2px solid var(--neon-primary);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.modal-header, .modal-footer {
    border-color: rgba(0, 255, 255, 0.5);
}

.modal-title {
    font-family: var(--font-primary);
    color: var(--neon-primary);
}

.modal-header {
    filter: invert(1);
    background-color: transparent;
}

.btn-close {
    background-color: var(--color-red);
}

.btn-outline-info {
    color: var(--neon-primary);
    border-color: var(--neon-primary);
}

.btn-outline-info:hover {
    background: var(--neon-primary);
    color: var(--bg-primary);
}

/* Altura e rolagem para o conteúdo do modal */
.modal-body {
    max-height: 70vh;
    overflow-y: auto;
    padding: 0;
}

/* O iframe preenche o modal-body por completo */
.modal-body iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.modal-message {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-top: 1rem;
    margin-bottom: 2rem;
}

.cert-terminal-style {
    background: rgba(13, 26, 26, 0.5);
    border: 2px solid var(--color-white); /* Borda Ciano */
    border-radius: var(--border-radius);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3), inset 0 0 20px rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.terminal-header-cert-style {
    background: var(--color-white); /* Fundo Ciano */
    color: var(--bg-primary);
    padding: 0.75rem 1rem;
    font-family: var(--font-primary);
    font-weight: 600;
}

.terminal-line {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px dashed rgba(0, 255, 255, 0.2);
}

.cert-terminal-style .terminal-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cert-text-content {
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
    line-height: 1.5; /* Melhora o espaçamento se o título tiver duas linhas */
}

.prompt-cert-style {
    color: var(--neon-primary); /* Cor Ciano */
    font-weight: bold;
    margin-right: 0.5rem;
}

.terminal-line .contact-button {
    font-size: 0.8rem;      /* Reduz o tamanho da fonte */
    padding: 5px 10px;      /* Reduz o preenchimento (padding) */
    color: var(--neon-primary);
    border-color: var(--neon-primary);
    max-width: 50px;
}

/* Ajusta o efeito hover do botão */
.terminal-line .contact-button:hover {
    background: var(--neon-primary);
    color: var(--bg-primary);
    box-shadow: 0 0 15px var(--neon-primary);
}

/* Ajusta o brilho do botão */
.terminal-line .contact-button .button-glow {
    background: var(--neon-primary);
}

/* 7. Estilo para Certificados Desabilitados (Em Andamento) */
.disabled-cert {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none; /* Impede o clique */
}

.btn-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px); /* começa um pouco deslocado */
  background: var(--neon-primary); /* neon */
  color: var(--bg-primary);
  border: none;
  border-radius: 50%;
  padding: 12px 16px;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 0 10px var(--neon-primary); /* neon */
  transition: all 0.4s ease; /* animação */
  z-index: 999;
}

.btn-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0); /* volta para a posição normal */
}

.btn-top:hover {
  background: var(--color-yellow);
  color: var(--bg-primary);
  box-shadow: 0 0 15px var(--color-yellow)
}

/* ========================================================================== */
/*                                 Media Queries                              */
/* ========================================================================== */

/* Tablets e telas médias (até 1199px) */
@media (max-width: 1199.98px) {
    .hero-section {
        padding: 5rem 0 3rem;
    }
    
    .section-title {
        font-size: 2.2rem;
        letter-spacing: 2px;
    }
    
    .skill-category {
        padding: 1.8rem;
    }
    
    .project-card {
        padding: 1.8rem;
    }
}

/* Tablets pequenos e telas médias (até 991px) */
@media (max-width: 991.98px) {
    .letter { 
        font-size: 2.5rem; 
    }
    
    .section-title { 
        font-size: 2rem; 
        letter-spacing: 2px;
    }
    
    .hero-subtitle { 
        font-size: 1.2rem; 
    }
    
    .profile-container { 
        width: 250px; 
        height: 250px; 
    }
    
    .navbar-brand {
        font-size: 1.3rem;
    }
    
    .skill-category {
        padding: 1.6rem;
        margin-bottom: 1.5rem;
    }
    
    .project-card {
        padding: 1.6rem;
        margin-bottom: 1.5rem;
    }
    
    .category-title {
        font-size: 1.1rem;
        letter-spacing: 1.5px;
    }
    
    .footer {
        padding: 50px 20px;
    }
}

/* Smartphones e telas pequenas (até 767px) */
@media (max-width: 767.98px) {
    .letter { 
        font-size: 2rem; 
    }
    
    .section-title {
        font-size: 1.8rem;
        letter-spacing: 1.5px;
    }
    
    .hero-subtitle { 
        font-size: 1rem; 
    }
    
    .profile-container { 
        width: 200px; 
        height: 200px; 
    }
    
    .project-title { 
        font-size: 1rem; 
    }
    
    .skill-chip { 
        padding: 0.75rem;
        margin-bottom: 0.75rem;
    }
    
    .contact-button { 
        font-size: 1rem; 
        padding: 0.75rem 1.5rem; 
    }
    
    .hero-section {
        padding: 4rem 0 2rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .neon-nav {
        padding: 0.75rem 0;
    }
    
    .skill-category {
        padding: 1.4rem;
    }
    
    .project-card {
        padding: 1.4rem;
    }
    
    .category-title {
        font-size: 1rem;
        letter-spacing: 1px;
    }
    
    .tech-tag {
        font-size: 0.75rem;
        padding: 0.25rem 0.6rem;
        margin: 0.2rem;
    }
    
    .project-status {
        font-size: 0.75rem;
        padding: 0.25rem 0.6rem;
    }
    
    .terminal-header,
    .terminal-header-credit,
    .terminal-header-cert-style {
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
    }
    
    .footer {
        padding: 40px 95px;
    }
    
    .footer-text {
        font-size: 0.8rem;
    }
}

/* Smartphones pequenos (até 575px) */
@media (max-width: 575.98px) {
    .name-display { 
        gap: 0.5rem; 
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .letter { 
        font-size: 1.5rem; 
    }
    
    .section-title {
        font-size: 1.5rem;
        letter-spacing: 1px;
        text-align: center;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
        text-align: center;
    }
    
    .terminal-body { 
        padding: 1rem !important; 
        font-size: 0.85rem;
    }
    
    .skill-category { 
        padding: 1.2rem;
        margin-bottom: 1rem;
    }
    
    .project-card { 
        padding: 1.2rem;
        margin-bottom: 1rem;
    }
    
    .hero-section {
        padding: 3rem 0 2rem;
    }
    
    .profile-container {
        width: 180px;
        height: 180px;
    }
    
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .skill-chip {
        padding: 0.6rem;
        font-size: 0.85rem;
    }
    
    .skill-icon {
        font-size: 1.2rem;
        width: 25px;
    }
    
    .contact-button {
        font-size: 0.9rem;
        padding: 0.6rem 1.2rem;
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .project-link {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
        width: 100%;
        text-align: center;
        margin-top: 0.5rem;
    }
    
    .category-title {
        font-size: 0.95rem;
        text-align: center;
        margin-bottom: 1rem;
    }
    
    .scroll-text {
        font-size: 0.7rem;
        letter-spacing: 1px;
    }
    
    .footer {
        padding: 30px 50px;
        text-align: center;
    }
    
    .btn-top {
        bottom: 15px;
        right: 15px;
        padding: 10px 14px;
        font-size: 16px;
    }
}

/* Smartphones muito pequenos (até 400px) */
@media (max-width: 400px) {
    .letter {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 1.3rem;
    }
    
    .hero-subtitle {
        font-size: 0.8rem;
    }
    
    .profile-container {
        width: 150px;
        height: 150px;
    }
    
    .skill-category,
    .project-card {
        padding: 1rem;
    }
    
    .terminal-body {
        padding: 0.8rem !important;
        font-size: 0.8rem;
    }
    
    .contact-button {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
    
    .navbar-brand {
        font-size: 1rem;
    }
    
    .footer {
        padding: 25px 25px;
    }
}

/* Ajustes específicos para orientação landscape em dispositivos móveis */
@media (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        padding: 2rem 0 1rem;
    }
    
    .profile-container {
        width: 120px;
        height: 120px;
    }
    
    .letter {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.4rem;
    }
}