/* ================================================================
   José Alexandre Melo dos Santos — Portfolio
   Mobile-first, themes, layout, components and motion
   ================================================================ */

:root {
  --bg: #07101c;
  --bg-elevated: #0c1726;
  --bg-soft: #0a1422;
  --surface: rgba(15, 28, 44, 0.78);
  --surface-solid: #0f1c2c;
  --text: #edf4f8;
  --text-soft: #a4b2bf;
  --muted: #71808f;
  --line: rgba(166, 190, 208, 0.14);
  --line-strong: rgba(166, 190, 208, 0.26);
  --accent: #64e8bd;
  --accent-strong: #20c997;
  --accent-soft: rgba(100, 232, 189, 0.1);
  --blue: #68a9ff;
  --warning: #f4c56a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.3);
  --header-bg: rgba(7, 16, 28, 0.84);
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --container: 1180px;
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;
  --transition: 180ms ease;
}

[data-theme="light"] {
  --bg: #f3f7f8;
  --bg-elevated: #ffffff;
  --bg-soft: #eaf1f2;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-solid: #ffffff;
  --text: #10202b;
  --text-soft: #4d606c;
  --muted: #6a7b84;
  --line: rgba(23, 57, 68, 0.12);
  --line-strong: rgba(23, 57, 68, 0.23);
  --accent: #087f65;
  --accent-strong: #05644f;
  --accent-soft: rgba(8, 127, 101, 0.09);
  --blue: #1b6fc2;
  --warning: #966800;
  --shadow: 0 24px 70px rgba(20, 50, 61, 0.12);
  --header-bg: rgba(243, 247, 248, 0.88);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  transition: color var(--transition), background-color var(--transition);
}
body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  opacity: .36;
  pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 62%);
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
img, svg { display: block; max-width: 100%; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3, h4 { line-height: 1.12; letter-spacing: -.035em; }
::selection { color: #06110e; background: var(--accent); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }

.container { width: min(calc(100% - 2rem), var(--container)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 1rem; left: 1rem; z-index: 999; padding: .7rem 1rem; color: #06110e; background: var(--accent); border-radius: var(--radius-sm); transform: translateY(-180%); transition: transform var(--transition); }
.skip-link:focus { transform: translateY(0); }

/* Header and navigation */
.site-header { position: fixed; top: 0; left: 0; z-index: 100; width: 100%; border-bottom: 1px solid transparent; transition: background var(--transition), border-color var(--transition), box-shadow var(--transition); }
.site-header.is-scrolled { background: var(--header-bg); border-color: var(--line); box-shadow: 0 8px 30px rgba(0, 0, 0, .08); backdrop-filter: blur(18px); }
.header-inner { display: flex; align-items: center; min-height: 72px; gap: .75rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; margin-right: auto; font-size: .92rem; letter-spacing: -.01em; }
.brand-mark { display: grid; width: 36px; height: 36px; place-items: center; color: #06110e; background: var(--accent); border-radius: 9px; font-family: var(--font-mono); font-size: .76rem; font-weight: 800; }
.brand-text { display: grid; line-height: 1.15; }
.brand-text strong { color: var(--accent); }
.main-nav { order: 3; }
.nav-toggle, .theme-toggle { display: grid; place-items: center; color: var(--text); background: var(--surface); border: 1px solid var(--line); cursor: pointer; transition: border-color var(--transition), background var(--transition); }
.nav-toggle:hover, .theme-toggle:hover { border-color: var(--accent); background: var(--accent-soft); }
.nav-toggle { width: 42px; height: 42px; gap: 4px; border-radius: 50%; }
.nav-toggle span { width: 17px; height: 1.5px; background: currentColor; transition: transform var(--transition), opacity var(--transition); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
.nav-list { position: fixed; top: 72px; right: 1rem; left: 1rem; display: grid; padding: .75rem; background: var(--surface-solid); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); visibility: hidden; opacity: 0; transform: translateY(-8px); transition: opacity var(--transition), transform var(--transition), visibility var(--transition); }
.nav-list.is-open { visibility: visible; opacity: 1; transform: translateY(0); }
.nav-list a { display: block; padding: .72rem .9rem; color: var(--text-soft); border-radius: 8px; font-size: .92rem; font-weight: 600; transition: color var(--transition), background var(--transition); }
.nav-list a:hover, .nav-list a.is-active { color: var(--accent); background: var(--accent-soft); }
.theme-toggle { flex: 0 0 42px; width: 42px; height: 42px; border-radius: 50%; }
.icon { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
[data-theme="dark"] .icon-moon, [data-theme="light"] .icon-sun { display: none; }

/* Shared */
.section { padding: 5.5rem 0; }
.section-tinted { position: relative; background: var(--bg-soft); border-block: 1px solid var(--line); }
.section-heading { margin-bottom: 2.5rem; }
.section-heading h2, .contact-copy h2 { max-width: 760px; margin-bottom: 0; font-size: clamp(2.1rem, 7vw, 4.7rem); font-weight: 680; }
.section-heading-row > p { max-width: 460px; margin: 1rem 0 0; color: var(--text-soft); }
.section-index, .eyebrow { margin-bottom: .85rem; color: var(--accent); font-family: var(--font-mono); font-size: .76rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.lead { color: var(--text); font-size: clamp(1.2rem, 3vw, 1.55rem); line-height: 1.55; letter-spacing: -.02em; }
.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: .7rem; padding: .78rem 1rem; border: 1px solid transparent; border-radius: var(--radius-sm); font-size: .87rem; font-weight: 750; transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition); }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #06110e; background: var(--accent); }
.button-primary:hover { background: var(--accent-strong); }
.button-secondary { color: var(--text); background: var(--surface); border-color: var(--line-strong); }
.button-secondary:hover { border-color: var(--accent); }
.button-quiet { color: var(--text-soft); }
.button-quiet:hover { color: var(--accent); }
.placeholder { color: var(--warning); font-family: var(--font-mono); font-size: .75rem; }

/* Hero */
.hero { position: relative; display: grid; min-height: 100svh; align-items: center; padding: 7rem 0 5rem; overflow: hidden; }
.hero::before { position: absolute; top: -20%; left: -20%; z-index: -1; width: 80vw; height: 80vw; content: ""; background: radial-gradient(circle, rgba(25, 153, 123, .13), transparent 67%); }
.hero-grid { display: grid; align-items: center; gap: 4rem; }
.eyebrow { display: flex; align-items: center; gap: .6rem; }
.status-dot { position: relative; width: 8px; height: 8px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 0 5px var(--accent-soft); }
.hero h1 { margin-bottom: .8rem; font-size: clamp(2.55rem, 11vw, 6.5rem); font-weight: 720; letter-spacing: -.065em; }
.hero h1 span { display: block; }
.hero-role { max-width: 720px; margin-bottom: 1.3rem; color: var(--accent); font-family: var(--font-mono); font-size: clamp(.78rem, 2.4vw, 1rem); line-height: 1.8; }
.hero-role span { color: var(--muted); }
.hero-intro { max-width: 650px; margin-bottom: 1.7rem; color: var(--text-soft); font-size: clamp(1rem, 2.8vw, 1.18rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .65rem; }
.hero-actions .button { width: 100%; }
.hero-social { display: flex; flex-wrap: wrap; align-items: center; gap: .7rem; margin-top: 1.4rem; color: var(--muted); font-family: var(--font-mono); font-size: .78rem; }
.hero-social a { color: var(--text-soft); }
.hero-social a:hover { color: var(--accent); }
.infra-visual { position: relative; min-height: 370px; }
.visual-glow { position: absolute; inset: 15%; background: rgba(51, 216, 171, .12); filter: blur(55px); }
.terminal-card { position: absolute; inset: 25px 5px 55px; z-index: 1; overflow: hidden; background: rgba(5, 13, 23, .9); border: 1px solid rgba(100, 232, 189, .22); border-radius: var(--radius); box-shadow: var(--shadow); transform: perspective(900px) rotateY(-3deg) rotateX(2deg); }
.terminal-bar { display: flex; align-items: center; gap: .35rem; height: 46px; padding: 0 1rem; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.terminal-bar span { width: 8px; height: 8px; background: #ff6b6b; border-radius: 50%; }
.terminal-bar span:nth-child(2) { background: #ffd166; }
.terminal-bar span:nth-child(3) { background: #63e6be; }
.terminal-bar code { margin-left: auto; color: #738698; font-size: .66rem; }
.terminal-body { padding: 1.3rem; color: #a7b8c6; font-family: var(--font-mono); font-size: clamp(.68rem, 2vw, .82rem); }
.terminal-body p { margin-bottom: .8rem; }
.prompt, .ok, .terminal-body strong { color: #63e6be; }
.metric { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: .55rem; margin: .65rem 0; }
.metric-line { border-top: 1px dashed #2f4252; }
.cursor { display: inline-block; width: 7px; height: 14px; background: #63e6be; animation: blink 1.1s steps(1) infinite; }
.node { position: absolute; z-index: 2; display: flex; align-items: center; gap: .45rem; padding: .55rem .75rem; color: var(--text); background: var(--surface-solid); border: 1px solid var(--line-strong); border-radius: 9px; box-shadow: 0 10px 30px rgba(0, 0, 0, .2); font-family: var(--font-mono); font-size: .69rem; }
.node span { color: var(--accent); }
.node-cloud { top: 0; right: 3%; }
.node-linux { bottom: 28px; left: 0; }
.node-network { right: 4%; bottom: 14px; }
.scroll-cue { position: absolute; bottom: 1.2rem; left: 50%; display: none; align-items: center; gap: .75rem; color: var(--muted); font-family: var(--font-mono); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; transform: translateX(-50%); }
.scroll-cue span { display: block; width: 1px; height: 28px; background: linear-gradient(var(--accent), transparent); }
@keyframes blink { 50% { opacity: 0; } }

/* About and skills */
.about-content { color: var(--text-soft); }
.quick-facts { display: grid; gap: 1px; margin: 2.5rem 0 0; overflow: hidden; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); }
.quick-facts div { padding: 1.15rem; background: var(--bg-elevated); }
.quick-facts dt { margin-bottom: .2rem; color: var(--muted); font-family: var(--font-mono); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; }
.quick-facts dd { margin: 0; color: var(--text); font-weight: 700; }
.skills-grid { display: grid; gap: .75rem; }
.skill-card { position: relative; min-height: 240px; padding: 1.4rem; overflow: hidden; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); transition: border-color var(--transition), transform var(--transition); }
.skill-card:hover { border-color: var(--line-strong); transform: translateY(-4px); }
.skill-card h3 { max-width: 280px; margin: 2.1rem 0 1.2rem; font-size: 1.18rem; }
.skill-number { position: absolute; top: 1rem; right: 1.1rem; color: var(--muted); font-family: var(--font-mono); font-size: .68rem; }
.skill-card::before { position: absolute; top: 0; left: 0; width: 44px; height: 2px; content: ""; background: var(--accent); }
.tag-list, .tech-list { display: flex; flex-wrap: wrap; gap: .4rem; }
.tag-list li, .tech-list li { padding: .3rem .55rem; color: var(--text-soft); background: var(--accent-soft); border: 1px solid var(--line); border-radius: 99px; font-family: var(--font-mono); font-size: .66rem; }

/* Timeline */
.timeline { position: relative; }
.timeline::before { position: absolute; top: 0; bottom: 0; left: 5px; width: 1px; content: ""; background: var(--line-strong); }
.timeline-item { position: relative; display: grid; gap: .7rem; padding: 0 0 3.5rem 2rem; }
.timeline-item::before { position: absolute; top: 5px; left: 0; width: 11px; height: 11px; content: ""; background: var(--bg); border: 2px solid var(--accent); border-radius: 50%; box-shadow: 0 0 0 5px var(--accent-soft); }
.timeline-meta { display: flex; gap: .5rem; color: var(--muted); font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; }
.company { margin-bottom: .35rem; color: var(--accent); font-family: var(--font-mono); font-size: .75rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.timeline-content h3 { margin-bottom: .8rem; font-size: clamp(1.5rem, 4vw, 2.25rem); }
.timeline-content > p:not(.company) { max-width: 760px; color: var(--text-soft); }
.responsibility-list { display: grid; gap: .4rem; margin: 1.2rem 0; color: var(--text-soft); font-size: .9rem; }
.responsibility-list li { position: relative; padding-left: 1rem; }
.responsibility-list li::before { position: absolute; top: .7em; left: 0; width: 4px; height: 4px; content: ""; background: var(--accent); border-radius: 50%; }
.source-note { max-width: 740px; padding: 1rem 1.2rem; color: var(--muted); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); font-size: .78rem; }

/* Projects */
.projects-grid { display: grid; gap: 1rem; }
.project-card { display: flex; height: 100%; flex-direction: column; overflow: hidden; background: var(--bg-elevated); border: 1px solid var(--line); border-radius: var(--radius); transition: border-color var(--transition), transform var(--transition); }
.project-card:hover { border-color: var(--line-strong); transform: translateY(-4px); }
.project-visual { position: relative; display: grid; height: 210px; place-items: center; overflow: hidden; background-color: #0b1624; border-bottom: 1px solid var(--line); }
.project-body { display: flex; flex: 1; flex-direction: column; padding: 1.4rem; }
.project-type { color: var(--accent); font-family: var(--font-mono); font-size: .66rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.project-body h3 { margin: .6rem 0 .75rem; font-size: 1.65rem; }
.project-body > p { color: var(--text-soft); font-size: .92rem; }
.project-links { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--line); }
.project-link { color: var(--text); font-family: var(--font-mono); font-size: .75rem; font-weight: 700; transition: color var(--transition); }
.project-link:hover { color: var(--accent); }
.visual-tonyfume { background: linear-gradient(145deg, #1c1027, #0b1624); color: #f1e9f9; font-family: var(--font-sans); }
.visual-tonyfume::before { position: absolute; width: 160px; height: 160px; content: ""; background: #9f67d8; border-radius: 50%; opacity: .16; filter: blur(12px); }
.visual-tonyfume span { z-index: 1; font-size: clamp(3rem, 10vw, 5rem); font-weight: 900; line-height: 1; letter-spacing: -.08em; }
.visual-tonyfume strong { position: absolute; right: 14%; bottom: 22%; z-index: 1; padding: .15rem .45rem; color: #160d20; background: #c795f5; font-size: .8rem; letter-spacing: .2em; }
.visual-sigty { color: #f4f8ff; background: radial-gradient(circle at 65% 35%, rgba(91, 208, 226, .18), transparent 34%), linear-gradient(145deg, #191d43, #0a1025); }
.visual-sigty svg { position: absolute; inset: 0; width: 100%; height: 100%; fill: rgba(91, 208, 226, .9); stroke: rgba(91, 208, 226, .28); stroke-width: 1; }
.visual-sigty span { z-index: 1; font-size: clamp(3rem, 9vw, 4.7rem); font-weight: 850; letter-spacing: -.07em; text-shadow: 0 8px 30px rgba(0, 0, 0, .35); }
.visual-sigty strong { position: absolute; bottom: 26%; z-index: 1; color: #86dce9; font-family: var(--font-mono); font-size: .56rem; letter-spacing: .16em; }

/* Education and contact */
.education-layout { display: grid; gap: 2rem; }
.credential-group + .credential-group { margin-top: 2.5rem; }
.credential-group > h3 { margin-bottom: 1rem; color: var(--muted); font-family: var(--font-mono); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; }
.credential { display: grid; gap: .5rem; padding: 1.3rem 0; border-top: 1px solid var(--line); }
.credential:last-child { border-bottom: 1px solid var(--line); }
.credential-year { color: var(--accent); font-family: var(--font-mono); font-size: .72rem; }
.credential h4 { margin-bottom: .3rem; font-size: 1.15rem; }
.credential p { margin: 0; color: var(--text-soft); font-size: .86rem; }
.contact-section { padding: 5.5rem 0; background: var(--bg-elevated); border-top: 1px solid var(--line); }
.contact-grid { display: grid; gap: 3rem; }
.contact-copy h2 { margin-bottom: 1.3rem; }
.contact-copy > p:not(.section-index) { max-width: 620px; margin-bottom: 1.8rem; color: var(--text-soft); }
.contact-list { display: grid; align-content: start; margin: 0; font-style: normal; border-top: 1px solid var(--line); }
.contact-list a { display: grid; grid-template-columns: 1fr auto; gap: .2rem 1rem; padding: 1rem .2rem; border-bottom: 1px solid var(--line); transition: color var(--transition), padding var(--transition); }
.contact-list a:hover { padding-inline: .7rem; color: var(--accent); }
.contact-list span { grid-column: 1 / -1; color: var(--muted); font-family: var(--font-mono); font-size: .68rem; text-transform: uppercase; }
.contact-list strong { overflow-wrap: anywhere; font-size: .85rem; font-weight: 600; }
.contact-list i { color: var(--accent); font-style: normal; }

/* Footer, utility and reveal */
.site-footer { padding: 1.6rem 0; color: var(--muted); background: var(--bg-elevated); border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: .7rem; }
.footer-inner { display: flex; flex-direction: column; gap: .4rem; }
.footer-inner p { margin: 0; }
.footer-inner a { color: var(--text-soft); }
.footer-inner a:hover { color: var(--accent); }
.back-to-top { position: fixed; right: 1rem; bottom: 1rem; z-index: 40; display: grid; width: 44px; height: 44px; place-items: center; color: #06110e; background: var(--accent); border: 0; border-radius: 50%; box-shadow: var(--shadow); cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(12px); transition: opacity var(--transition), transform var(--transition); }
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 650ms ease, transform 650ms ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (min-width: 540px) {
  .hero-actions .button { width: auto; }
  .quick-facts { grid-template-columns: repeat(3, 1fr); }
  .skills-grid, .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .skill-card:last-child:nth-child(odd) { grid-column: 1 / -1; width: calc(50% - .375rem); justify-self: center; }
  .project-card { min-height: 520px; }
  .credential { grid-template-columns: 130px 1fr; }
  .footer-inner { flex-direction: row; justify-content: space-between; }
}

@media (min-width: 800px) {
  .container { width: min(calc(100% - 4rem), var(--container)); }
  .section { padding: 8rem 0; }
  .section-heading { margin-bottom: 4rem; }
  .section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 3rem; }
  .main-nav { order: initial; }
  .nav-toggle { display: none; }
  .nav-list { position: static; display: flex; padding: 0; background: none; border: 0; border-radius: 0; box-shadow: none; visibility: visible; opacity: 1; transform: none; }
  .nav-list a { position: relative; padding: .5rem .65rem; font-size: .77rem; background: none !important; }
  .nav-list a::after { position: absolute; right: .65rem; bottom: 2px; left: .65rem; height: 1px; content: ""; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform var(--transition); }
  .nav-list a.is-active::after, .nav-list a:hover::after { transform: scaleX(1); }
  .hero-grid { grid-template-columns: minmax(0, 1.25fr) minmax(360px, .75fr); gap: 2rem; }
  .infra-visual { min-height: 440px; }
  .terminal-card { inset: 40px 20px 60px; }
  .scroll-cue { display: flex; }
  .about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 6rem; }
  .skills-grid { grid-template-columns: repeat(3, 1fr); }
  .skill-card:last-child:nth-child(odd) { grid-column: 2; width: auto; }
  .timeline::before { left: 190px; }
  .timeline-item { grid-template-columns: 165px 1fr; gap: 3rem; padding: 0 0 5rem; }
  .timeline-item::before { left: 185px; }
  .timeline-meta { padding-top: .1rem; justify-content: flex-end; }
  .education-layout { grid-template-columns: .8fr 1.2fr; gap: 6rem; }
  .contact-grid { grid-template-columns: 1.1fr .9fr; gap: 7rem; }
  .contact-section { padding: 8rem 0; }
}

@media (min-width: 1100px) {
  .header-inner { min-height: 80px; }
  .nav-list { gap: .2rem; }
  .nav-list a { padding-inline: .85rem; }
  .nav-list a::after { right: .85rem; left: .85rem; }
  .hero { padding-top: 8rem; }
  .hero-grid { gap: 4rem; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .scroll-cue, .back-to-top, .hero-actions, .hero-social { display: none !important; }
  :root { --bg: #fff; --bg-elevated: #fff; --bg-soft: #fff; --text: #111; --text-soft: #333; --muted: #555; --line: #ccc; }
  body::before { display: none; }
  .hero { min-height: auto; padding: 2rem 0; }
  .section { padding: 2rem 0; }
  .reveal { opacity: 1; transform: none; }
}