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

:root {
    --bg: #F9FAFB;
    --bg2: #F0F4FF;
    --surface: #FFFFFF;
    --surface2: #E8EEFF;
    --border: rgba(59, 130, 246, .18);
    --text: #111827;
    --text2: #4B5563;
    --primary: #3B82F6;
    --primary-glow: rgba(59, 130, 246, .30);
    --accent: #0EA5E9;
    --card-shadow: 0 4px 24px rgba(59, 130, 246, .10);
    --radius: 14px;
    --header-h: 68px;
    --transition: .3s cubic-bezier(.4, 0, .2, 1);
}

html.dark,
body.dark {
    --bg: #0A0F1E;
    --bg2: #0F172A;
    --surface: #1E293B;
    --surface2: #162032;
    --border: rgba(96, 165, 250, .15);
    --text: #E2E8F0;
    --text2: #94A3B8;
    --primary: #60A5FA;
    --primary-glow: rgba(96, 165, 250, .25);
    --accent: #38BDF8;
    --card-shadow: 0 4px 32px rgba(0, 0, 0, .35);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    transition: background var(--transition), color var(--transition);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    z-index: 0;
    opacity: .35;
}

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

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

#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    z-index: 100;
    background: rgba(10, 15, 30, .70);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

body:not(.dark) #header {
    background: rgba(249, 250, 251, .85);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-text {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 1.3rem;
    letter-spacing: -.02em;
    color: var(--primary);
}

#menuNav {
    display: flex;
    gap: .2rem;
}

.nav-link {
    font-family: 'Syne', sans-serif;
    font-size: .88rem;
    font-weight: 600;
    padding: .42rem .9rem;
    border-radius: 8px;
    color: var(--text2);
    transition: color var(--transition), background var(--transition);
    cursor: pointer;
}

.nav-link:hover {
    color: var(--primary);
    background: var(--primary-glow);
}

.nav-link.active {
    color: var(--primary);
    background: var(--primary-glow);
}

.header-right {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.theme-toggle {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all var(--transition);
}

.theme-toggle:hover {
    background: var(--primary-glow);
    transform: rotate(15deg);
}

.hamburger {
    display: none;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text);
    transition: all var(--transition);
}

.hamburger:hover {
    background: var(--primary-glow);
    color: var(--primary);
}

#menuNav.show {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: .75rem 1.5rem 1rem;
    gap: .2rem;
    z-index: 99;
}

main {
    flex: 1;
    position: relative;
    z-index: 1;
    padding-top: var(--header-h);
}

.secao {
    min-height: calc(100vh - var(--header-h));
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem 5rem;
}

.section-header {
    margin-bottom: 3rem;
    text-align: center;
}

.section-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--text);
    letter-spacing: -.04em;
    position: relative;
    display: inline-block;
    margin-bottom: .5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 4px;
}

.section-sub {
    color: var(--text2);
    margin-top: 1.2rem;
    font-size: 1rem;
}

#inicio {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.inicio-container {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 960px;
    width: 100%;
    z-index: 2;
}

.inicio-photo-wrap {
    position: relative;
    width: 260px;
    height: 260px;
    flex-shrink: 0;
}

.photo-glow {
    position: absolute;
    inset: -20px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    filter: blur(20px);
    animation: glowPulse 3s ease-in-out infinite;
}

.photo-ring {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: conic-gradient(var(--primary), var(--accent), var(--primary));
    animation: spin 7s linear infinite;
}

.photo-ring::after {
    content: '';
    position: absolute;
    inset: 4px;
    border-radius: 50%;
    background: var(--bg);
}

.profile-photo {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--bg);
    z-index: 2;
    transition: transform .45s cubic-bezier(.34, 1.56, .64, 1), box-shadow .45s;
    cursor: pointer;
}

.profile-photo:hover {
    transform: scale(1.01);
    box-shadow: 0 0 30px var(--primary-glow), 0 0 40px rgba(96, 165, 250, .15);
}

@keyframes glowPulse {

    0%,
    100% {
        opacity: .6;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.inicio-info {
    display: flex;
    flex-direction: column;
    gap: .85rem;
}

.greeting {
    font-size: .95rem;
    color: var(--primary);
    font-weight: 500;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.typed-name {
    font-family: 'Syne', sans-serif;
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    font-weight: 800;
    letter-spacing: -.03em;
    line-height: 1.15;
    min-height: 1.3em;
}

.cursor {
    display: inline-block;
    color: var(--primary);
    animation: blink 1s step-end infinite;
    margin-left: 2px;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.tagline {
    font-size: .95rem;
    color: var(--primary);
    font-weight: 500;
    background: var(--primary-glow);
    padding: .35rem .9rem;
    border-radius: 100px;
    display: inline-block;
    width: fit-content;
    border: 1px solid var(--border);
}

.bio {
    color: var(--text2);
    line-height: 1.8;
    font-size: .97rem;
    max-width: 500px;
}

.inicio-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.2rem;
    margin-top: .3rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: .9rem;
    padding: .7rem 1.6rem;
    border-radius: 100px;
    transition: all var(--transition);
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px var(--primary-glow);
    filter: brightness(1.1);
}

.social-links {
    display: flex;
    gap: .55rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text2);
    font-size: 1rem;
    transition: all var(--transition);
}

.social-links a:hover {
    background: var(--primary-glow);
    color: var(--primary);
    transform: translateY(-3px);
    border-color: var(--primary);
}

.particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.particles span {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0;
    animation: floatUp 8s ease-in-out infinite;
}

.particles span:nth-child(1) {
    top: 10%;
    left: 15%;
    animation-delay: 0s;
    animation-duration: 7s;
}

.particles span:nth-child(2) {
    top: 20%;
    left: 80%;
    animation-delay: 1.5s;
    animation-duration: 9s;
}

.particles span:nth-child(3) {
    top: 70%;
    left: 10%;
    animation-delay: 3s;
    animation-duration: 6s;
}

.particles span:nth-child(4) {
    top: 80%;
    left: 75%;
    animation-delay: 2s;
    animation-duration: 8s;
}

.particles span:nth-child(5) {
    top: 45%;
    left: 90%;
    animation-delay: 4s;
    animation-duration: 7s;
}

.particles span:nth-child(6) {
    top: 60%;
    left: 40%;
    animation-delay: 1s;
    animation-duration: 10s;
}

.particles span:nth-child(7) {
    top: 30%;
    left: 55%;
    animation-delay: 5s;
    animation-duration: 8s;
}

.particles span:nth-child(8) {
    top: 85%;
    left: 30%;
    animation-delay: 2.5s;
    animation-duration: 9s;
}

@keyframes floatUp {
    0% {
        opacity: 0;
        transform: translateY(0) scale(0);
    }

    20% {
        opacity: .6;
    }

    80% {
        opacity: .3;
    }

    100% {
        opacity: 0;
        transform: translateY(-120px) scale(1.5);
    }
}


.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    box-shadow: var(--card-shadow);
}

.project-card:hover {
    transform: translateY(-7px);
    box-shadow: 0 16px 48px var(--primary-glow);
    border-color: var(--primary);
}

.project-img-wrap {
    position: relative;
    overflow: hidden;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    image-rendering: auto;
    backface-visibility: hidden;
}

.project-card:hover .project-img {
    transform: none;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 15, 30, .78);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .3s;
    backdrop-filter: blur(4px);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.btn-ver-projeto {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, .75);
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: .88rem;
    padding: .55rem 1.4rem;
    border-radius: 100px;
    transition: all var(--transition);
    transform: translateY(10px);
    letter-spacing: .03em;
}

.project-card:hover .btn-ver-projeto {
    transform: translateY(0);
}

.btn-ver-projeto:hover {
    background: #fff;
    color: #0A0F1E;
    border-color: #fff;
}

.project-body {
    padding: 1.2rem 1.4rem 1.5rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    margin-bottom: .7rem;
}

.project-tags span {
    font-size: .72rem;
    font-weight: 600;
    padding: .2rem .65rem;
    border-radius: 100px;
    background: var(--primary-glow);
    color: var(--primary);
    border: 1px solid var(--border);
    font-family: 'Syne', sans-serif;
}

.project-title {
    font-family: 'Syne', sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: .45rem;
    color: var(--text);
}

.project-desc {
    font-size: .88rem;
    color: var(--text2);
    line-height: 1.7;
}

.skills-categories {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.category-label {
    font-family: 'Syne', sans-serif;
    font-size: .9rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: .5rem;
    text-transform: uppercase;
    letter-spacing: .07em;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: .85rem;
}

.skill-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.3rem;
    display: flex;
    align-items: center;
    gap: .7rem;
    font-family: 'Syne', sans-serif;
    font-weight: 600;
    font-size: .9rem;
    color: var(--text);
    transition: all var(--transition);
    box-shadow: var(--card-shadow);
    cursor: default;
    min-width: 120px;
}

.skill-card i {
    font-size: 1.5rem;
}

.skill-card:hover {
    transform: translateY(-5px) scale(1.03);
    border-color: var(--primary);
    box-shadow: 0 8px 28px var(--primary-glow);
    color: var(--primary);
}

.timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    max-width: 780px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 12px;
    bottom: 12px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--accent), transparent);
    border-radius: 2px;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    padding-left: .5rem;
    padding-bottom: 2rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
    flex-shrink: 0;
    margin-top: 7px;
    position: relative;
    z-index: 1;
}

.timeline-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.3rem 1.5rem;
    flex: 1;
    transition: all var(--transition);
    box-shadow: var(--card-shadow);
}

.timeline-card:hover {
    border-color: var(--primary);
    transform: translateX(6px);
    box-shadow: 0 8px 28px var(--primary-glow);
}

.timeline-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: .7rem;
}

.timeline-badge {
    font-size: .74rem;
    font-weight: 700;
    font-family: 'Syne', sans-serif;
    padding: .22rem .65rem;
    border-radius: 100px;
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.timeline-badge.academic {
    background: var(--primary-glow);
    color: var(--primary);
    border: 1px solid var(--border);
}

.timeline-badge.course {
    background: rgba(16, 185, 129, .12);
    color: #10B981;
    border: 1px solid rgba(16, 185, 129, .25);
}

.timeline-year {
    font-size: .82rem;
    color: var(--text2);
    font-weight: 500;
}

.timeline-title {
    font-family: 'Syne', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: .3rem;
}

.timeline-institution {
    font-size: .87rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: .5rem;
    display: flex;
    align-items: center;
    gap: .4rem;
}

.timeline-desc {
    font-size: .88rem;
    color: var(--text2);
    line-height: 1.7;
    margin-bottom: .8rem;
}

.btn-ver-perfil {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    background: var(--primary-glow);
    color: var(--primary);
    border: 1px solid var(--border);
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: .82rem;
    padding: .42rem 1rem;
    border-radius: 100px;
    transition: all var(--transition);
}

.btn-ver-perfil:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-2px);
}

.contatos-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: start;
}

.contatos-cta {
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: .7rem;
}

.contatos-text {
    color: var(--text2);
    line-height: 1.8;
    font-size: .96rem;
    margin-bottom: 1.8rem;
}

.contato-items {
    display: flex;
    flex-direction: column;
    gap: .85rem;
}

.contato-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: .85rem 1.1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
    box-shadow: var(--card-shadow);
}

.contato-item:hover {
    border-color: var(--primary);
    transform: translateX(5px);
    box-shadow: 0 4px 20px var(--primary-glow);
}

.contato-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--primary-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--primary);
    flex-shrink: 0;
    border: 1px solid var(--border);
    transition: transform var(--transition);
}

.contato-icon.whats {
    background: rgba(37, 211, 102, .12);
    color: #25D366;
    border-color: rgba(37, 211, 102, .25);
}

.contato-icon.linkedin {
    background: rgba(10, 102, 194, .15);
    color: #0A66C2;
    border-color: rgba(10, 102, 194, .25);
}

.contato-icon.github {
    background: rgba(255, 255, 255, .06);
    color: var(--text);
    border-color: var(--border);
}

.contato-item:hover .contato-icon {
    transform: scale(1.1) rotate(-5deg);
}

.contato-label {
    display: block;
    font-size: .74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text2);
    font-family: 'Syne', sans-serif;
    margin-bottom: .12rem;
}

.contato-value {
    font-size: .9rem;
    color: var(--text);
    font-weight: 500;
}

/* Form */
.form-contato {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    box-shadow: var(--card-shadow);
}

.campo-formulario {
    display: flex;
    flex-direction: column;
    gap: .4rem;
}

.campo-formulario label {
    font-family: 'Syne', sans-serif;
    font-size: .8rem;
    font-weight: 700;
    color: var(--text2);
    text-transform: uppercase;
    letter-spacing: .07em;
}

.campo-formulario input,
.campo-formulario textarea {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: .72rem 1rem;
    font-size: .94rem;
    font-family: 'DM Sans', sans-serif;
    color: var(--text);
    outline: none;
    transition: all var(--transition);
    resize: none;
}

.campo-formulario input:focus,
.campo-formulario textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: var(--surface);
}

.campo-formulario input::placeholder,
.campo-formulario textarea::placeholder {
    color: var(--text2);
    opacity: .55;
}

.campo-formulario textarea {
    min-height: 130px;
}

.btn-enviar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .55rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    border: none;
    border-radius: 100px;
    padding: .82rem;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: .93rem;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 4px 18px var(--primary-glow);
}

.btn-enviar:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px var(--primary-glow);
    filter: brightness(1.1);
}

.footer {
    position: relative;
    z-index: 1;
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 2.5rem 2rem;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.footer-logo {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--primary);
}

.footer-tagline {
    font-size: .87rem;
    color: var(--text2);
}

.footer-links {
    display: flex;
    gap: .7rem;
    justify-content: center;
}

.footer-links a {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--bg2);
    border: 1px solid var(--border);
    color: var(--text2);
    font-size: 1rem;
    transition: all var(--transition);
}

.footer-links a:hover {
    background: var(--primary-glow);
    color: var(--primary);
    transform: translateY(-4px);
    border-color: var(--primary);
}

.footer-copy {
    font-size: .79rem;
    color: var(--text2);
    opacity: .65;
}


@media (max-width: 860px) {
    #menuNav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .inicio-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2.5rem;
        justify-items: center;
    }

    .inicio-photo-wrap {
        width: 200px;
        height: 200px;
    }

    .bio {
        max-width: 100%;
    }

    .inicio-actions {
        justify-content: center;
    }

    .social-links {
        justify-content: center;
    }

    .tagline {
        align-self: center;
    }

    .contatos-layout {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 18px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 500px) {
    .secao {
        padding: 2.5rem 1rem 4rem;
    }

    .header-inner {
        padding: 0 1rem;
    }

    .footer {
        padding: 2rem 1rem;
    }

    .inicio-photo-wrap {
        width: 170px;
        height: 170px;
    }

    .form-contato {
        padding: 1.25rem;
    }
}