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

html {
    scroll-behavior: smooth
}

body {
    background: #020c02;
    color: #d8e8d8;
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    overflow-x: hidden
}

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

ul {
    list-style: none
}

:root {
    --g: #00ff41;
    --gd: #00cc33;
    --gdd: #007a1f;
    --green-text: #00a32c;
    --gdim: rgba(0, 255, 65, 0.12);
    --bg: #020c02;
    --bg2: #050f05;
    --bg3: #081208;
    --bg4: #0d1a0d;
    --line: rgba(0, 255, 65, 0.1);
    --line2: rgba(0, 255, 65, 0.22);
    --t1: #f0fff0;
    --t2: #b8d4b8;
    --t3: #7aa87a;
    --mono: 'Share Tech Mono', monospace;
}

#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.16;
    pointer-events: none
}

#progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    background: var(--g);
    z-index: 999;
    width: 0;
    transition: width .08s linear
}

/* NAV */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(2, 12, 2, 0.93);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line)
}

.nav-inner {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    height: 60px
}

.nav-logo {
    font-family: var(--mono);
    font-size: .9rem;
    color: var(--g);
    letter-spacing: .1em;
    cursor: pointer
}

.nav-logo .blink {
    animation: blink 1s step-end infinite
}

@keyframes blink {
    50% {
        opacity: 0
    }
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem
}

.nav-links a {
    font-family: var(--mono);
    font-size: .72rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--t2);
    transition: color .2s;
    position: relative
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--g);
    transform: scaleX(0);
    transition: transform .2s
}

.nav-links a:hover {
    color: var(--g)
}

.nav-links a:hover::after {
    transform: scaleX(1)
}

.lang-btn {
    font-family: var(--mono);
    font-size: .72rem;
    letter-spacing: .1em;
    background: transparent;
    border: 1px solid var(--line2);
    color: var(--g);
    border-radius: 3px;
    padding: 4px 12px;
    cursor: pointer;
    transition: background .2s;
    border-color: var(--line2);
}

.lang-btn:hover {
    background: var(--gdim);
    border-color: var(--g);
}

.dl-wrap {
    position: relative
}

.dl-btn {
    background: transparent;
    border: 1px solid var(--line2);
    border-radius: 3px;
    padding: 6px 10px;
    cursor: pointer;
    color: var(--t2);
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--mono);
    font-size: .68rem;
    letter-spacing: .06em;
    transition: color .2s, border-color .2s, background .2s;
    border-color: var(--line2);
}

.dl-btn:hover {
    color: var(--g);
    border-color: var(--g);
    background: var(--gdim)
}

.dl-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg3);
    border: 1px solid var(--line2);
    border-radius: 6px;
    min-width: 195px;
    padding: 6px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, .6);
    z-index: 200
}

.dl-dropdown.open {
    display: block
}

.dl-dropdown a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--mono);
    font-size: .7rem;
    letter-spacing: .04em;
    color: var(--t2);
    padding: 9px 12px;
    border-radius: 4px;
    transition: background .15s, color .15s
}

.dl-dropdown a:hover {
    background: var(--gdim);
    color: var(--g)
}

.dl-dropdown a svg {
    color: var(--g);
    flex-shrink: 0
}

.dl-sep {
    height: 1px;
    background: var(--line);
    margin: 4px 0
}

/* LAYOUT */
.wrap {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1
}

section {
    padding: 6rem 0
}

.s-label {
    font-family: var(--mono);
    font-size: .65rem;
    color: var(--gd);
    letter-spacing: .2em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: .6rem
}

.s-label::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--gd)
}

h2.s-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--t1);
    letter-spacing: -.02em;
    margin-bottom: 2.5rem
}

.div-wrap {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1
}

hr.div {
    border: none;
    border-top: 1px solid var(--line)
}

/* HERO */
#hero {
    scroll-margin-top: 60px
}

.hero-about-text p {
    font-size: .9rem;
    color: var(--t2);
    line-height: 1.85;
    margin-bottom: .85rem;
    text-align: justify;
    max-width: 640px
}

.hero-about-text .langs {
    margin: 1rem 0 1.6rem
}

.hero-btns-universities {
    margin-bottom: .75rem
}

/* SVG originais: proporções preservadas e tamanho visual equilibrado */
.btn-icon {
    display: block;
    width: 22px;
    height: 22px;
    object-fit: contain;
    flex-shrink: 0
}

.hero-btns-universities .btn:first-child .btn-icon {
    width: 38px;
    height: 24px
}

.hero-btns-universities .btn:nth-child(2) .btn-icon {
    width: 56px;
    height: 24px
}

.hero-btns-contact .btn .btn-icon {
    width: 22px;
    height: 22px
}

/* O SVG Contactar fornecido tem traço claro; filtro para o tom escuro original sobre verde. */
.contact-icon {
    filter: brightness(0) saturate(100%) invert(5%) sepia(25%) saturate(1210%) hue-rotate(71deg) brightness(93%) contrast(104%)
}

#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 6rem 2rem 3rem;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1
}

.hero-inner {
    display: grid;
    grid-template-columns:minmax(0, 1fr) auto;
    gap: 3rem;
    align-items: center;
    width: 100%
}

.hero-pre {
    font-family: var(--mono);
    font-size: .7rem;
    color: var(--gd);
    letter-spacing: .18em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 1.2rem
}

.hero-pre::before {
    content: '> ';
    color: var(--g)
}

h1 {
    font-size: clamp(2.8rem, 5.5vw, 4.5rem);
    font-weight: 600;
    color: #fff;
    line-height: 1.03;
    letter-spacing: -.03em;
    margin-bottom: .7rem
}

.hero-sub {
    font-family: var(--mono);
    font-size: .82rem;
    color: var(--t2);
    margin-bottom: .8rem;
    letter-spacing: .02em
}

.hero-sub span {
    color: var(--g)
}

.hero-msc {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--mono);
    font-size: .65rem;
    color: var(--g);
    border: 1px solid var(--line2);
    border-radius: 3px;
    padding: 5px 12px;
    margin-bottom: 1.6rem;
    background: var(--gdim)
}

/* Duas linhas com largura total igual: 2 x 50% e 3 x 33,33% */
.hero-btns {
    display: grid;
    gap: .75rem;
    width: 100%;
    grid-template-columns:repeat(3, minmax(0, 1fr))
}

.hero-btns-universities {
    grid-template-columns:repeat(2, minmax(0, 1fr))
}

.hero-btns .btn {
    width: 100%;
    min-width: 0;
    min-height: 54px;
    justify-content: center;
    text-align: center
}

@media (max-width: 520px) {
    .hero-btns, .hero-btns-universities {
        grid-template-columns:1fr
    }
}

.btn {
    font-family: var(--mono);
    font-size: .7rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    border-radius: 3px;
    padding: 11px 20px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all .2s
}

.btn-green {
    background: var(--g);
    color: #020c02;
    border: none;
    font-weight: 700
}

.btn-green:hover {
    background: #00e639;
    transform: translateY(-1px)
}

.btn-ghost {
    background: transparent;
    color: var(--t2);
    border: 1px solid var(--line2);
    border-color: var(--line2);
}

.btn-ghost:hover {
    color: var(--g);
    border-color: var(--g);
    background: var(--gdim);
    transform: translateY(-1px)
}

.avatar-wrap {
    position: relative;
    flex-shrink: 0;
    perspective: 800px
}

.avatar-wrap::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 10%;
    right: 10%;
    height: 40px;
    background: radial-gradient(ellipse at center, rgba(0, 255, 65, 0.25) 0%, transparent 70%);
    filter: blur(8px);
    z-index: 0;
    pointer-events: none
}

.avatar-inner {
    position: relative;
    z-index: 1;
    width: 260px;
    height: 320px;
    border-radius: 0;
    overflow: hidden;
    background: transparent;
    border: none;
    transform: rotateY(-12deg) rotateX(3deg);
    transition: transform .4s ease;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 15%, black 80%, transparent 100%), linear-gradient(to right, transparent 0%, black 15%, black 85%, transparent 100%);
    -webkit-mask-composite: source-in;
    mask-image: linear-gradient(to bottom, transparent 0%, black 15%, black 80%, transparent 100%), linear-gradient(to right, transparent 0%, black 15%, black 85%, transparent 100%);
    mask-composite: intersect
}

.avatar-inner:hover {
    transform: rotateY(-6deg) rotateX(1deg)
}

.avatar-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top
}

/* ABOUT */
.langs {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: .5rem
}

.langs span {
    font-family: var(--mono);
    font-size: .65rem;
    color: var(--t3)
}

/* SKILLS */
.skills-grid {
    display: grid;
    grid-template-columns:1fr 1fr;
    gap: 1rem
}

.skill-card {
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 1.4rem;
    transition: border-color .25s, background .25s, transform .2s;
    border-color: var(--line2);
}

.skill-card:hover {
    border-color: var(--g);
    background: var(--gdim);
    transform: translateY(-2px)
}

.skill-card-label {
    font-family: var(--mono);
    font-size: .62rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--gd);
    margin-bottom: .9rem;
    display: flex;
    align-items: center;
    gap: 8px
}

.skill-card-label::before {
    content: '//';
    color: var(--green-text)
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px
}

.tag {
    font-family: var(--mono);
    font-size: .72rem;
    color: var(--t2);
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 3px;
    padding: 4px 10px;
    transition: color .2s, border-color .2s, background .2s;
    border-color: var(--line2);
}

.tag:hover {
    color: var(--g);
    border-color: var(--g);
    background: var(--gdim)
}

/* TIMELINE */
.timeline {
    position: relative
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: var(--line)
}

.tl-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem
}

.tl-item:last-child {
    margin-bottom: 0
}

.tl-dot {
    width: 21px;
    height: 21px;
    min-width: 21px;
    border-radius: 50%;
    border: 1.5px solid var(--g);
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 4px;
    z-index: 1;
    flex-shrink: 0;
    transition: background .2s, box-shadow .2s
}

.tl-item:hover .tl-dot {
    background: var(--gdim);
    box-shadow: 0 0 8px var(--gdd)
}

.tl-di {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--g)
}

.tl-date {
    font-family: var(--mono);
    font-size: .62rem;
    color: var(--t3);
    letter-spacing: .07em;
    margin-bottom: .2rem
}

.tl-role {
    font-size: .95rem;
    font-weight: 500;
    color: var(--t1);
    margin-bottom: .1rem
}

.tl-org {
    font-family: var(--mono);
    font-size: .75rem;
    color: var(--g);
    margin-bottom: .55rem
}

.tl-pts {
    font-size: .83rem;
    color: var(--t2);
    line-height: 1.75
}

.tl-pts li {
    padding-left: .9rem;
    position: relative;
    margin-bottom: .15rem
}

.tl-pts li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--green-text);
    font-family: var(--mono)
}

/* EDU STEPS */
.edu-steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    margin-bottom: 2.5rem;
    position: relative
}

.edu-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: calc(12.5%);
    right: calc(12.5%);
    height: 1px;
    background: var(--line);
    z-index: 0
}

.edu-step {
    appearance: none;
    background: none;
    border: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    min-width: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 1;
    cursor: pointer
}

.edu-step-dot {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--mono);
    font-size: .78rem;
    font-weight: 700;
    margin-bottom: .55rem;
    border: 1.5px solid var(--t3);
    color: var(--t3);
    background: var(--bg);
    transition: all .25s;
    position: relative;
    z-index: 1
}

.edu-step.active .edu-step-dot {
    border-color: var(--g);
    color: var(--g);
    background: var(--gdim);
    box-shadow: 0 0 12px var(--gdd)
}

.edu-step.next .edu-step-dot {
    border: 1.5px dashed var(--gdd);
    color: var(--green-text)
}

.edu-step.next.active .edu-step-dot {
    border: 1.5px dashed var(--g);
    color: var(--g);
    background: var(--gdim);
    box-shadow: 0 0 12px var(--gdd)
}

.edu-step.next.active .edu-step-lbl {
    color: var(--green-text)
}

.edu-step:hover .edu-step-dot {
    border-color: var(--g);
    color: var(--g);
    background: var(--gdim);
    box-shadow: 0 0 12px var(--gdd);
    transform: scale(1.1)
}

.edu-step-lbl {
    font-family: var(--mono);
    font-size: .65rem;
    letter-spacing: .05em;
    text-transform: uppercase;
    line-height: 1.5;
    color: var(--t3);
    transition: color .2s
}

.edu-step.active .edu-step-lbl {
    color: var(--g)
}

.edu-step.next .edu-step-lbl {
    color: var(--green-text)
}

.edu-step:hover .edu-step-lbl {
    color: var(--g)
}

.edu-panel {
    display: block;
}

.edu-panel[hidden] {
    display: none;
}

.edu-panel.active {
    display: block
}

.edu-grid {
    display: grid;
    grid-template-columns:1fr 1fr;
    gap: 1rem
}

.edu-card {
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 1.4rem;
    transition: border-color .25s, background .25s, transform .2s;
    cursor: pointer;
    border-color: var(--line2);
}

.edu-card:hover {
    border-color: var(--g);
    background: var(--gdim);
    transform: translateY(-2px)
}

.edu-card.next-card {
    border-color: var(--line2);
    background: transparent
}

.edu-card.active-card {
    border-color: var(--line2);
    background: transparent
}

.edu-card.next-card:hover, .edu-card.active-card:hover {
    border-color: var(--g);
    background: var(--gdim);
    transform: translateY(-2px)
}

.edu-badge {
    display: inline-block;
    font-family: var(--mono);
    font-size: .58rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    border-radius: 3px;
    padding: 3px 8px;
    margin-bottom: .65rem
}

.b-g {
    color: var(--g);
    background: var(--gdim);
    border: 1px solid var(--line2)
}

.b-d {
    color: var(--gd);
    background: rgba(0, 200, 50, .05);
    border: 1px solid rgba(0, 200, 50, .15)
}

.b-gray {
    color: var(--t3);
    background: rgba(255, 255, 255, .03);
    border: 1px solid var(--line)
}

.edu-deg {
    font-size: .9rem;
    font-weight: 500;
    color: var(--t1);
    margin-bottom: .2rem
}

.edu-sch {
    font-family: var(--mono);
    font-size: .73rem;
    color: var(--gd);
    margin-bottom: .35rem
}

.edu-per {
    font-family: var(--mono);
    font-size: .65rem;
    color: var(--t3);
    margin-bottom: .4rem
}

.edu-note {
    font-size: .8rem;
    color: var(--t2)
}

.edu-note strong {
    color: var(--g);
    font-weight: 500
}

.edu-link-hint {
    font-family: var(--mono);
    font-size: .6rem;
    color: var(--green-text);
    margin-top: .6rem;
    display: flex;
    align-items: center;
    gap: 5px
}

/* COURSES */
#courses {
    scroll-margin-top: 80px
}

.courses-grid {
    display: grid;
    grid-template-columns:repeat(auto-fill, minmax(260px, 1fr));
    gap: .65rem
}

.course {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: .85rem 1rem;
    transition: border-color .2s, background .2s, transform .2s;
    color: inherit;
    border-color: var(--line2);
}

.course:hover {
    border-color: var(--g);
    background: var(--gdim);
    transform: translateX(3px)
}

.course-dot {
    width: 5px;
    height: 5px;
    min-width: 5px;
    border-radius: 50%;
    background: var(--g);
    margin-top: 7px;
    flex-shrink: 0;
    box-shadow: 0 0 4px var(--g)
}

.course-name {
    font-size: .8rem;
    color: var(--t2);
    line-height: 1.4
}

.course-meta {
    font-family: var(--mono);
    font-size: .59rem;
    color: var(--t3);
    margin-top: 2px
}

/* CONTACT */
.contact-grid {
    display: grid;
    grid-template-columns:1fr 1fr;
    gap: 3rem;
    align-items: start
}

.contact-intro p {
    font-size: .9rem;
    color: var(--t2);
    line-height: 1.85;
    margin-bottom: .85rem
}

.contact-meta {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: .45rem
}

.contact-meta span {
    font-family: var(--mono);
    font-size: .65rem;
    color: var(--t3)
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: .65rem
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 12px;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: .85rem 1rem;
    color: var(--t1);
    transition: border-color .2s, background .2s, transform .2s;
    border-color: var(--line2);
}

.contact-link:hover {
    border-color: var(--g);
    background: var(--gdim);
    transform: translateX(3px)
}

.cl-ico {
    width: 32px;
    height: 32px;
    min-width: 32px;
    border-radius: 5px;
    background: var(--gdim);
    border: 1px solid var(--line2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--mono);
    font-size: .7rem;
    font-weight: 700;
    color: var(--g);
    flex-shrink: 0
}

.cl-main {
    flex: 1
}

.cl-lbl {
    font-size: .78rem;
    color: var(--t2);
    line-height: 1.2
}

.cl-val {
    font-family: var(--mono);
    font-size: .65rem;
    color: var(--t3)
}

.cl-arr {
    color: var(--green-text);
    font-size: .8rem;
    font-family: var(--mono)
}

/* FOOTER */
footer {
    border-top: 1px solid var(--line);
    padding: 2rem 0;
    position: relative;
    z-index: 1
}

.footer-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem
}

.footer-txt {
    font-family: var(--mono);
    font-size: .62rem;
    color: var(--t3);
    letter-spacing: .04em
}

.footer-txt span {
    color: var(--g)
}

/* FADE */
.fade {
    opacity: 1;
    transform: none;
}

.fade.fade-ready {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .5s ease, transform .5s ease
}

.fade.fade-ready.in {
    opacity: 1;
    transform: none
}

.fd1 {
    transition-delay: .1s
}

/* TOUCH ACTIVE STATES */
.skill-card:active {
    border-color: var(--g);
    background: var(--gdim);
    transform: translateY(-2px)
}

.course:active {
    border-color: var(--g);
    background: var(--gdim);
    transform: translateX(3px)
}

.contact-link:active {
    border-color: var(--g);
    background: var(--gdim);
    transform: translateX(3px)
}

.edu-card:active {
    border-color: var(--g);
    background: var(--gdim);
    transform: translateY(-2px)
}

.edu-step:active .edu-step-dot {
    border-color: var(--g);
    color: var(--g);
    background: var(--gdim);
    box-shadow: 0 0 12px var(--gdd);
    transform: scale(1.1)
}

.edu-step:active .edu-step-lbl {
    color: var(--g)
}

.dl-btn:active {
    color: var(--g);
    border-color: var(--g);
    background: var(--gdim)
}

.btn-green:active {
    background: #00e639;
    transform: translateY(-1px)
}

.btn-ghost:active {
    color: var(--g);
    border-color: var(--g);
    background: var(--gdim);
    transform: translateY(-1px)
}

.dl-dropdown a:active {
    background: var(--gdim);
    color: var(--g)
}

/* BURGER + MOBILE MENU */
#burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--t2);
    padding: 4px;
    align-items: center;
    justify-content: center;
    transition: color .2s
}

#burger:hover, #burger:active {
    color: var(--g)
}

#mobile-menu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(2, 12, 2, 0.97);
    backdrop-filter: blur(12px);
    z-index: 99;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    border-top: 1px solid var(--line);
    overflow-y: auto;
    padding: 2rem 0
}

#mobile-menu.open {
    display: flex
}

#mobile-menu > a {
    font-family: var(--mono);
    font-size: 1.1rem;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--t2);
    transition: color .2s;
    padding: .5rem 1.5rem
}

#mobile-menu > a:hover, #mobile-menu > a:active {
    color: var(--g)
}

.mob-dl {
    display: flex;
    flex-direction: column;
    gap: .6rem;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
    width: 80%;
    max-width: 300px
}

.mob-dl-lbl {
    font-family: var(--mono);
    font-size: .6rem;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--t3)
}

.mob-dl-btns {
    display: flex;
    gap: .75rem
}

.mob-dl-btn {
    font-family: var(--mono);
    font-size: .72rem;
    letter-spacing: .06em;
    color: var(--t2);
    border: 1px solid var(--line2);
    border-radius: 3px;
    padding: 9px 22px;
    display: flex;
    align-items: center;
    gap: 7px;
    transition: color .2s, background .2s, border-color .2s;
    background: transparent;
    border-color: var(--line2);
}

.mob-dl-btn:hover, .mob-dl-btn:active {
    color: var(--g);
    background: var(--gdim);
    border-color: var(--g)
}

@media (max-width: 760px) {
    .nav-inner {
        padding: 0 1.25rem
    }

    .nav-links a:not(.lang-btn) {
        display: none
    }

    .dl-wrap {
        display: none
    }

    #burger {
        display: flex
    }

    #hero {
        padding: 5.5rem 1.25rem 3rem;
        min-height: auto
    }

    .hero-inner {
        grid-template-columns:1fr;
        gap: 2rem
    }

    .avatar-wrap {
        order: -1;
        display: flex;
        justify-content: center
    }

    .avatar-inner {
        width: 140px;
        height: 140px;
        border-radius: 50%;
        -webkit-mask-image: none;
        mask-image: none;
        transform: none
    }

    .wrap {
        padding: 0 1.25rem
    }

    section {
        padding: 4rem 0
    }

    .skills-grid, .edu-grid, .contact-grid {
        grid-template-columns:1fr;
        gap: 1.5rem
    }

    .div-wrap {
        padding: 0 1.25rem
    }

    .footer-inner {
        padding: 0 1.25rem
    }

    .edu-step-lbl {
        font-size: .65rem
    }

    .edu-step-dot {
        width: 34px;
        height: 34px;
        font-size: .7rem
    }

    .dl-dropdown {
        max-width: calc(100vw - 2.5rem)
    }

    .hero-msc {
        font-size: .6rem;
        padding: 4px 9px
    }

    .hero-about-text p {
        max-width: none
    }
}

/* Identificador de secção no mesmo estilo do cabeçalho inicial */
.section-pre {
    display: flex;
    align-items: center;
    margin-bottom: .65rem;
    color: var(--gd);
    font-family: var(--mono);
    font-size: .7rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    opacity: 1;
    visibility: visible
}

.section-pre::before {
    content: '> ';
    color: var(--g);
    display: inline
}

.hero-number {
    margin-bottom: .65rem
}

.cl-ico img {
    display: block;
    width: 16px;
    height: 16px;
    object-fit: contain;
    filter: none
}

/* CV e seletor de idioma com dimensões iguais */
.dl-btn, .lang-btn {
    width: 80px;
    height: 34px;
    min-width: 80px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-sizing: border-box;
    padding: 6px 10px
}

@media (max-width: 760px) {
    .lang-btn {
        width: 80px;
        height: 34px;
        min-width: 80px
    }
}

/* ACESSIBILIDADE E CONSISTÊNCIA — sem dependências ou build */
:root {
    --focus-ring: #b4ffbd;
}

/* Foco visível para navegação por teclado, inclusive os passos de formação. */
:where(a, button, [role="button"], [tabindex="0"]):focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: 4px;
}

/* Mesmo padrão visual quando o foco está dentro de um cartão. */
.skill-card:focus-within,
.edu-card:focus-within,
.course:focus-within,
.contact-link:focus-visible,
.btn-ghost:focus-visible,
.mob-dl-btn:focus-visible,
.dl-btn:focus-visible,
.lang-btn:focus-visible {
    background: var(--gdim);
    border-color: var(--g);
}

.edu-step:focus-visible .edu-step-dot {
    border-color: var(--g);
    color: var(--g);
    background: var(--gdim);
}

/* Evita texto justificado com espaços excessivos em ecrãs estreitos. */
@media (max-width: 520px) {
    .hero-about-text p {
        text-align: left;
    }

    .hero-msc {
        max-width: 100%;
        flex-wrap: wrap;
    }

    .edu-steps {
        gap: 2px;
    }

    .edu-step-lbl {
        font-size: .625rem;
        overflow-wrap: anywhere;
    }

    .edu-step-dot {
        width: 32px;
        height: 32px;
    }

    .edu-steps::before {
        top: 16px;
    }

    #mobile-menu {
        gap: 1.25rem;
    }
}

/* Respeita as preferências de acessibilidade do sistema operativo. */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }

    .fade {
        opacity: 1;
        transform: none;
    }
}


/* Estrutura reutilizada pelos certificados e cursos. */
.certificate-link {
    text-decoration: none;
}

.course-certificate {
    text-decoration: none;
    margin-left: 15px;
}

.course-stacked {
    flex-direction: column;
    align-items: flex-start;
    gap: .5rem;
}

.course-heading {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    width: 100%;
}

.course-content {
    flex: 1;
}

section {
    scroll-margin-top: 60px;
}

.exchange-school {
    color: var(--gd);
}

.courses-section {
    margin-top: 3rem;
}