@charset "utf-8";

/* =========================================
   RESET E VARIÁVEIS GLOBAIS
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.15);
    --accent-blue: #76a9fa;
    --accent-blue-dark: #4f83f7;
    --accent-glow: rgba(118, 169, 250, 0.3);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-tertiary: rgba(255, 255, 255, 0.6);
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, #0a0a0f 0%, #151520 25%, #1a1a2e 50%, #16213e 75%, #0f3460 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    overflow-x: hidden; /* Previne rolagem horizontal indesejada */
    min-height: 100vh;
    line-height: 1.6;
}

p a {
    color: #FFF;
}

/* =========================================
   ESTRUTURA E NAVEGAÇÃO
   ========================================= */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    background: rgba(15, 25, 35, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

nav.scrolled {
    background: rgba(15, 25, 35, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: inherit;
}

.logo-img {
    border-radius: 3px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px var(--accent-glow);
    font-size: 1.2rem;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1rem;
    justify-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
    border: 2px solid transparent;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-links a:hover {
    color: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    background: rgba(118, 169, 250, 0.1);
}

.nav-links a:hover::after {
    width: 60%;
}

.nav-links a.active {
    color: var(--accent-blue);
    background: rgba(118, 169, 250, 0.15);
    border-color: var(--accent-blue);
    box-shadow: 0 4px 15px var(--accent-glow);
}

/* Mobile menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Nav Drawer */
.mobile-nav {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: rgba(15, 25, 35, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    transform: translateY(-100%);
    transition: transform 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0;
    pointer-events: none;
    z-index: 999;
}

.mobile-nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav ul {
    list-style: none;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 1rem;
    border-radius: 15px;
    transition: all 0.3s ease;
    text-align: center;
    font-weight: 500;
    display: block;
    position: relative;
    border: 2px solid transparent;
}

.mobile-nav a:hover,
.mobile-nav a.active {
    color: var(--accent-blue);
    background: rgba(118, 169, 250, 0.15);
    border-color: var(--accent-blue);
}


/* =========================================
   SEÇÕES GERAIS
   ========================================= */
section {
    padding: 5rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-top: 4rem;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    padding: 0 1rem; /* Adicionado padding para mobile */
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 160px 2rem 0;
    position: relative;
    overflow: hidden;
}

.hero-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 1;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.6;
    animation: float 25s infinite ease-in-out;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(118, 169, 250, 0.4) 0%, transparent 70%);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.shape-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(79, 131, 247, 0.3) 0%, transparent 70%);
    top: 50%;
    right: -150px;
    animation-delay: 7s;
}

.shape-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(118, 169, 250, 0.35) 0%, transparent 70%);
    bottom: -100px;
    left: 20%;
    animation-delay: 14s;
}

.geo-shape {
    position: absolute;
    opacity: 0.1;
    animation: rotate-float 30s infinite linear;
}

.geo-1 {
    width: 300px;
    height: 300px;
    top: 20%;
    right: 10%;
    background: linear-gradient(45deg, var(--accent-blue) 0%, transparent 100%);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.geo-2 {
    width: 250px;
    height: 250px;
    bottom: 20%;
    left: 5%;
    background: linear-gradient(135deg, var(--accent-blue-dark) 0%, transparent 100%);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1) rotate(0deg); }
    25% { transform: translate(100px, -80px) scale(1.1) rotate(90deg); }
    50% { transform: translate(-60px, 60px) scale(0.9) rotate(180deg); }
    75% { transform: translate(80px, 100px) scale(1.05) rotate(270deg); }
}

@keyframes rotate-float {
    0% { transform: rotate(0deg) translateY(0); }
    50% { transform: rotate(180deg) translateY(-50px); }
    100% { transform: rotate(360deg) translateY(0); }
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-blue);
    border-radius: 50%;
    opacity: 0;
    animation: particle-rise 10s infinite ease-out;
}

@keyframes particle-rise {
    0% { opacity: 0; transform: translateY(100vh) scale(0); }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { opacity: 0; transform: translateY(-100px) scale(1); }
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation-delay: 1s; }
.particle:nth-child(3) { left: 30%; animation-delay: 2s; }
.particle:nth-child(4) { left: 40%; animation-delay: 3s; }
.particle:nth-child(5) { left: 50%; animation-delay: 4s; }
.particle:nth-child(6) { left: 60%; animation-delay: 5s; }
.particle:nth-child(7) { left: 70%; animation-delay: 6s; }
.particle:nth-child(8) { left: 80%; animation-delay: 7s; }
.particle:nth-child(9) { left: 90%; animation-delay: 8s; }
.particle:nth-child(10) { left: 95%; animation-delay: 9s; }

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 25% 25%, var(--accent-glow) 0%, transparent 50%);
    animation: hero-glow 8s ease-in-out infinite;
    z-index: 1;
}

@keyframes hero-glow {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.7; }
    50% { transform: scale(1.1) rotate(2deg); opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    margin-bottom: 30px;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: -2px;
    animation: slideInUp 1s ease-out;
}

.hero .subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 1px;
    animation: slideInUp 1s ease-out 0.3s both;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 2rem;
    animation: slideInUp 1s ease-out 0.6s both;
}

.cta-primary, .cta-secondary {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: inline-block;
}

.cta-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    color: white;
    box-shadow: 0 8px 25px var(--accent-glow);
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px var(--accent-glow);
}

.cta-secondary {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: white;
}

.cta-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-3px);
}

@keyframes slideInUp {
    from { opacity: 0; transform: translateY(50px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =========================================
   STATS
   ========================================= */
.stats-section {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 4rem;
    flex-wrap: wrap;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    min-width: 150px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* =========================================
   ABOUT SECTION
   ========================================= */
.about-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-top: 3rem;
}

.about-intro {
    display: flex;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    justify-content: center;
}

.about-image {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background-image: url('images/lab.png');
    background-size: cover;
    background-position: center;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    border: 4px solid var(--glass-border);
}

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(118, 169, 250, 0.2) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.about-image:hover::before {
    opacity: 1;
}

.about-image::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, 
        transparent 0deg,
        rgba(255,255,255,0.1) 90deg,
        transparent 180deg,
        rgba(255,255,255,0.05) 270deg,
        transparent 360deg);
    animation: spin 4s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.lista-descricao {
    margin-left: 50px;
}

.about-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.about-card {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    padding: 2.5rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255,255,255,0.08) 50%, 
        transparent 100%);
    transition: left 0.6s ease;
}

.about-card:hover::before {
    left: 100%;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.about-card h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.about-card p {
    color: var(--text-secondary);
}

/* =========================================
   SKILLS SECTION
   ========================================= */
.skills-container {
    position: relative;
    margin-top: 3rem;
}

.skills-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.skills-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skills-circle {
    position: relative;
    width: 400px;
    height: 400px;
    animation: rotate-slow 30s linear infinite;
}

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

.skill-node {
    position: absolute;
    width: 124px;
    height: 124px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    cursor: pointer;
    animation: counter-rotate 30s linear infinite;
}

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

.skill-node:hover {
    transform: scale(1.2) rotate(0deg);
    background: rgba(118, 169, 250, 0.2);
    border-color: var(--accent-blue);
    box-shadow: 0 0 30px var(--accent-glow);
    animation-play-state: paused;
}

.skill-node .skill-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.skill-node .skill-name {
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
    color: var(--text-primary);
}

/* Position skill nodes */
.skill-node:nth-child(1) { top: 0; left: 50%; transform: translateX(-50%) translateY(-50%); animation: counter-rotate-1 30s linear infinite; }
.skill-node:nth-child(2) { top: 25%; right: 0; transform: translateX(50%) translateY(-50%); animation: counter-rotate-2 30s linear infinite; }
.skill-node:nth-child(3) { top: 75%; right: 0; transform: translateX(50%) translateY(-50%); animation: counter-rotate-3 30s linear infinite; }
.skill-node:nth-child(4) { bottom: 0; left: 50%; transform: translateX(-50%) translateY(50%); animation: counter-rotate-4 30s linear infinite; }
.skill-node:nth-child(5) { top: 75%; left: 0; transform: translateX(-50%) translateY(-50%); animation: counter-rotate-5 30s linear infinite; }
.skill-node:nth-child(6) { top: 25%; left: 0; transform: translateX(-50%) translateY(-50%); animation: counter-rotate-6 30s linear infinite; }

/* Counter-rotation animations */
@keyframes counter-rotate-1 { from { transform: translateX(-50%) translateY(-50%) rotate(0deg); } to { transform: translateX(-50%) translateY(-50%) rotate(-360deg); } }
@keyframes counter-rotate-2 { from { transform: translateX(50%) translateY(-50%) rotate(0deg); } to { transform: translateX(50%) translateY(-50%) rotate(-360deg); } }
@keyframes counter-rotate-3 { from { transform: translateX(50%) translateY(-50%) rotate(0deg); } to { transform: translateX(50%) translateY(-50%) rotate(-360deg); } }
@keyframes counter-rotate-4 { from { transform: translateX(-50%) translateY(50%) rotate(0deg); } to { transform: translateX(-50%) translateY(50%) rotate(-360deg); } }
@keyframes counter-rotate-5 { from { transform: translateX(-50%) translateY(-50%) rotate(0deg); } to { transform: translateX(-50%) translateY(-50%) rotate(-360deg); } }
@keyframes counter-rotate-6 { from { transform: translateX(-50%) translateY(-50%) rotate(0deg); } to { transform: translateX(-50%) translateY(-50%) rotate(-360deg); } }

.skills-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    box-shadow: 0 0 50px var(--accent-glow);
    z-index: 10;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.skill-item {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    border-left: 4px solid var(--accent-blue);
    text-align: justify;
}

.skill-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    background: rgba(118, 169, 250, 0.1);
}

.skill-item h4 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.skill-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.skill-progress {
    margin-top: 1rem;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.skill-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-blue-dark));
    border-radius: 3px;
    transition: width 1s ease;
}

/* =========================================
   TIMELINE SECTION
   ========================================= */
.timeline-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, transparent 0%, var(--accent-blue) 10%, var(--accent-blue) 90%, transparent 100%);
    transform: translateX(-50%);
    z-index: -1;
}

.timeline-progress {
    position: absolute;
    left: 50%;
    top: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--accent-blue-dark), var(--accent-blue));
    transform: translateX(-50%);
    transition: height 0.3s ease;
    z-index: 0;
    box-shadow: 0 0 20px var(--accent-glow);
}

.timeline-item {
    position: relative;
    margin: 4rem 0;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(odd) {
    text-align: right;
    padding-right: calc(50% + 3rem);
}

.timeline-item:nth-child(even) {
    text-align: left;
    padding-left: calc(50% + 3rem);
}

.timeline-node {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    z-index: 3;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px var(--accent-glow);
}

.timeline-node:hover {
    transform: translate(-50%, -50%) scale(1.2);
    box-shadow: 0 0 40px var(--accent-glow);
}

.timeline-node.active {
    transform: translate(-50%, -50%) scale(1.3);
    animation: pulse-node 2s infinite;
}

@keyframes pulse-node {
    0%, 100% { box-shadow: 0 0 20px var(--accent-glow); }
    50% { box-shadow: 0 0 40px var(--accent-glow), 0 0 60px var(--accent-glow); }
}

.timeline-content {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    background: rgba(118, 169, 250, 0.1);
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 20px;
    height: 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transform: rotate(45deg) translateY(-50%);
    z-index: -1;
}

.timeline-item:nth-child(odd) .timeline-content::before { right: -3px; }
.timeline-item:nth-child(even) .timeline-content::before { left: -18px; }

.timeline-year {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    color: white;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.timeline-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.timeline-company {
    font-size: 1.1rem;
    color: var(--accent-blue);
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.timeline-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.timeline-skill {
    padding: 0.3rem 0.8rem;
    background: rgba(118, 169, 250, 0.2);
    border: 1px solid rgba(118, 169, 250, 0.3);
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--accent-blue);
    transition: all 0.3s ease;
}

.timeline-skill:hover {
    background: rgba(118, 169, 250, 0.3);
    transform: translateY(-2px);
}

.timeline-achievements {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.timeline-achievement {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.timeline-achievement::before {
    content: '✨';
    font-size: 1rem;
}

.timeline-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.timeline-filter {
    padding: 0.8rem 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    cursor: pointer;
}

.timeline-filter:hover,
.timeline-filter.active {
    background: rgba(118, 169, 250, 0.2);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: translateY(-2px);
}

/* =========================================
   PORTFOLIO GRID
   ========================================= */
.portfolio-grid {
    display: grid;
    /* CORREÇÃO: minmax(350px) quebra o mobile. Alterado para aceitar telas menores */
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.portfolio-card {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    overflow: hidden;
    transition: all 0.4s ease;
    position: relative;
}

.portfolio-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.portfolio-image {
    height: 250px;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.portfolio-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,0.7) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-card:hover .portfolio-image::after { opacity: 1; }

.portfolio-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
    transition: left 0.6s ease;
    z-index: 1;
}

.portfolio-card:hover .portfolio-image::before { left: 100%; }

/* Specific portfolio images */
.portfolio-image.latinoware { background-image: url('images/latinoware_1.jpg'); }
.portfolio-image.johnhall { background-image: url('images//john_hall.jpg'); }
.portfolio-image.visita { background-image: url('images/sicoob.jpeg'); }
.portfolio-image.praticas { background-image: url('images/praticas.jpeg'); }
.portfolio-image.ambientes { background-image: url('images/ambientedeaprendizagem.JPG'); }
.portfolio-image.comunidade { background-image: url('images/sem_eng.JPG'); }

.portfolio-content { padding: 2rem; }

.portfolio-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.portfolio-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    padding: 0.3rem 0.8rem;
    background: rgba(118, 169, 250, 0.2);
    border: 1px solid rgba(118, 169, 250, 0.3);
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--accent-blue);
}

/* =========================================
   CONTACT SECTION
   ========================================= */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 3rem;
}

.contact-form-container {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 3rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-details { margin-top: 2rem; }

.contact-details h4 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.contact-details ul {
    list-style: none;
    padding-left: 1rem;
}

.contact-details li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.contact-details p {
    padding-left: 1rem;
    color: var(--text-secondary);
}

.form-group { margin-bottom: 1.5rem; }

.form-input, .form-textarea {
    width: 100%;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-family: inherit;
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 20px var(--accent-glow);
    background: rgba(255, 255, 255, 0.08);
}

.form-input::placeholder, .form-textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-textarea { resize: vertical; }

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    border: none;
    border-radius: 15px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* =========================================
   FOOTER
   ========================================= */
footer {
    background: linear-gradient(135deg, rgba(15, 25, 35, 0.95) 0%, rgba(10, 15, 25, 0.95) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem 0 2rem; /* Mais espaço no topo e base */
    margin-top: 4rem;
    width: 100%;
    overflow: hidden; /* Evita vazamento lateral */
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem; /* Padding lateral equilibrado */
    display: flex;
    justify-content: center; /* Centraliza horizontalmente */
    align-items: center;     /* Centraliza verticalmente */
    flex-wrap: wrap;
    gap: 2rem;
    text-align: center;      /* Garante que o texto fique centralizado */
}

.footer-copyright {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    line-height: 1.6;
    max-width: 600px; /* Evita que o texto fique muito esticado em telas grandes */
    margin: 0 auto;
}



/* Ajustes Específicos para Mobile (Onde estava quebrando) */
@media (max-width: 768px) {
    footer {
        padding: 2rem 0;
    }

    .footer-bottom {
        flex-direction: column; /* Empilha os elementos */
        gap: 1.5rem;
        padding: 0 1rem; /* Reduz padding lateral para dar mais espaço ao texto */
    }

    .footer-copyright {
        font-size: 0.85rem; /* Fonte ligeiramente menor para caber melhor */
        width: 100%;
        padding: 0 5px;
    }
    
    .footer-credits {
        gap: 1rem;
    }
    
    .footer-credit-link {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
}

/* Ajuste Fino para telas muito estreitas (iPhone SE, etc) */
@media (max-width: 380px) {
    .footer-copyright {
        font-size: 0.75rem; /* Fonte menor ainda para evitar quebra feia no meio do nome */
    }

/* =========================================
   GRID DE PROFESSORES (Faculty)
   ========================================= */
.faculty-grid {
    display: grid;
    /* CORREÇÃO: minmax(280px) ajustado para garantir flexibilidade */
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.faculty-card {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s ease;
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
}

.faculty-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

.faculty-image {
    width: 100%;
    height: 320px;
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.faculty-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 60%, rgba(0,0,0,0.6) 100%);
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.faculty-card:hover .faculty-image::after { opacity: 0.3; }

.faculty-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.faculty-role {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-blue, #4da6ff);
    margin-bottom: 0.5rem;
    background: rgba(77, 166, 255, 0.1);
    padding: 4px 12px;
    border-radius: 50px;
}

.faculty-name {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary, #fff);
    margin-bottom: 0.8rem;
}

.faculty-bio {
    font-size: 0.95rem;
    color: var(--text-secondary, #ccc);
    line-height: 1.6;
    margin-bottom: 0;
}

.whatsapp-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: 2rem;
}

.whatsapp-cta:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-icon {
    font-size: 1.4rem;
    margin-right: 10px;
}

/* =========================================
   MEDIA QUERIES (RESPONSIVIDADE)
   ========================================= */

/* Tablets Grandes e Laptops Pequenos */
@media (max-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-credits {
        justify-content: center;
    }

    .about-intro {
        flex-direction: column;
        text-align: center;
    }
}

/* Tablets e Mobile */
@media (max-width: 880px) {
    .hero {
        padding-top: 150px;
    }
    
    .nav-container {
        justify-content: space-between;
    }
    
    .logo {
        order: 1;
    }
    
    .mobile-menu-btn {
        display: flex !important; /* Força o botão a aparecer */
        order: 2;
    }
    
    .nav-links {
        display: none; /* Esconde links desktop */
    }

    /* Ajuste da Timeline para Mobile */
    .timeline-line,
    .timeline-progress {
        left: 2rem;
    }

    .timeline-item {
        padding-left: 5rem !important;
        padding-right: 1rem !important;
        text-align: left !important;
        margin: 2rem 0;
        opacity: 1 !important;
        transform: translateY(0) !important;
    }

    .timeline-node {
        left: 2rem !important;
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .timeline-content::before {
        left: -18px !important;
        right: auto !important;
    }

    .timeline-controls {
        flex-direction: column;
        align-items: center;
    }

    .timeline-filter {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

    .timeline-container {
        padding: 2rem 0;
    }
}

/* Mobile (Celulares) */
@media (max-width: 600px) {
    .container {
        padding: 0 1.5rem;
    }

    .hero h1 {
        font-size: clamp(2rem, 10vw, 3rem);
    }
    
    .hero .subtitle {
        font-size: 1.1rem;
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .cta-primary, .cta-secondary {
        width: 100%;
        text-align: center;
    }

    .stats-section {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .stat-card {
        width: 100%;
    }

    /* Ajuste para que grids não quebrem a tela */
    .portfolio-grid,
    .faculty-grid {
        grid-template-columns: 1fr; /* 1 coluna apenas */
        gap: 1.5rem;
    }
    
    .portfolio-card,
    .faculty-card {
        max-width: 100%;
    }

    /* Skills em lista ao invés de círculo no mobile */
    .skills-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .skills-visual {
        transform: scale(0.7); /* Reduz o círculo visualmente para caber */
        height: 350px;
    }
    
    .about-cards {
        grid-template-columns: 1fr;
    }
    
    .footer-divider {
        display: none;
    }
    
    .contact-info,
    .contact-form-container {
        padding: 1.5rem;
    }
}

/* Telas Muito Pequenas (iPhone SE antigo, etc) */
@media (max-width: 375px) {
    .container {
        padding: 0 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .logo-text {
        font-size: 1.4rem;
    }
    
    .skills-visual {
        transform: scale(0.6);
        margin-left: -10%; /* Centraliza compensando o scale */
    }
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

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

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

/* Focus states for accessibility */
.nav-links a:focus,
.cta-primary:focus,
.cta-secondary:focus,
.form-input:focus,
.form-textarea:focus,
.submit-btn:focus {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}
}