/* ============================================================
   Alfredo Lorentiar Santonanda — Portfolio
   Modern dark UI · glassmorphism · bento grid
   ============================================================ */

:root {
  --bg: #070c18;
  --bg-2: #0b1224;
  --surface: rgba(148, 163, 184, 0.06);
  --surface-2: rgba(148, 163, 184, 0.1);
  --border: rgba(148, 163, 184, 0.14);
  --text: #e6edf7;
  --muted: #8b98ad;
  --dim: #5c6a80;
  --green: #34d399;
  --cyan: #22d3ee;
  --violet: #a78bfa;
  --grad: linear-gradient(120deg, #34d399 0%, #22d3ee 100%);
  --grad-soft: linear-gradient(120deg, rgba(52,211,153,.16), rgba(34,211,238,.16));
  --radius: 18px;
  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---------- gradient text ---------- */
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(7, 12, 24, 0.7);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  max-width: 1120px; margin: 0 auto; padding: 16px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); }
.brand__mark {
  display: grid; place-items: center; width: 34px; height: 34px;
  border-radius: 10px; font-weight: 700; font-size: 18px;
  background: var(--grad); color: #04121a;
}
.brand__dot { color: #04121a; }
.brand__name { font-weight: 600; font-size: 17px; letter-spacing: -.02em; }
.brand__dim { color: var(--muted); font-weight: 500; }

.nav__links { display: flex; align-items: center; gap: 26px; font-size: 14.5px; }
.nav__links a { color: var(--muted); transition: color .2s; }
.nav__links a:hover { color: var(--text); }
.nav__cta {
  padding: 8px 18px; border-radius: 999px; border: 1px solid var(--border);
  color: var(--text) !important; background: var(--surface-2);
}
.nav__cta:hover { background: var(--grad); color: #04121a !important; border-color: transparent; }

.nav__toggle { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav__toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 2px; transition: .25s; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding: 120px 0 60px; }
.bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.bg__orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; }
.bg__orb--1 { width: 460px; height: 460px; background: #34d39933; top: -120px; left: -80px; }
.bg__orb--2 { width: 420px; height: 420px; background: #22d3ee2b; bottom: -140px; right: -60px; }
.bg__grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(148,163,184,.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(148,163,184,.05) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 75%);
}

.hero__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; position: relative; }

.eyebrow { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13.5px; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 18px; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 rgba(52,211,153,.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px rgba(52,211,153,0); } 100% { box-shadow: 0 0 0 0 rgba(52,211,153,0); } }

.hero__title { font-family: var(--font-head); font-size: clamp(2.6rem, 6vw, 4.4rem); line-height: 1.04; font-weight: 700; letter-spacing: -.03em; }
.hero__role { font-family: var(--font-head); font-size: 1.35rem; font-weight: 600; color: var(--text); margin-top: 18px; }
.hero__sub { color: var(--muted); margin-top: 6px; font-size: 1rem; }
.hero__desc { color: var(--muted); margin-top: 22px; max-width: 520px; font-size: 1.02rem; }
.hero__desc strong { color: var(--text); font-weight: 600; }
.hero__actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero__meta { margin-top: 26px; color: var(--dim); font-size: 13.5px; }

/* ---------- buttons ---------- */
.btn { display: inline-block; padding: 13px 26px; border-radius: 12px; font-weight: 600; font-size: 14.5px; transition: transform .18s, box-shadow .18s, background .18s; }
.btn--primary { background: var(--grad); color: #04121a; box-shadow: 0 8px 30px -8px rgba(34,211,238,.5); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -8px rgba(34,211,238,.6); }
.btn--ghost { border: 1px solid var(--border); background: var(--surface); color: var(--text); }
.btn--ghost:hover { border-color: var(--cyan); transform: translateY(-2px); }

/* ---------- terminal ---------- */
.term {
  background: rgba(11, 18, 36, .85); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden; box-shadow: 0 30px 80px -30px rgba(0,0,0,.8);
  backdrop-filter: blur(8px);
}
.term__bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; background: rgba(148,163,184,.06); border-bottom: 1px solid var(--border); }
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot--r { background: #ff5f57; } .dot--y { background: #febc2e; } .dot--g { background: #28c840; }
.term__title { margin-left: 8px; color: var(--dim); font-size: 12.5px; font-family: var(--font-mono); }
.term__body { padding: 20px; font-family: var(--font-mono); font-size: 13.5px; line-height: 1.7; }
.term__body p { margin: 6px 0; color: var(--muted); }
.prompt { color: var(--green); margin-right: 8px; font-weight: 500; }
.term__out { color: var(--text) !important; padding-left: 18px; }
.cursor { color: var(--cyan); animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- bento stats ---------- */
.stats { margin-top: -30px; position: relative; z-index: 2; }
.bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.bento__cell {
  padding: 26px 22px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 6px;
  transition: transform .2s, border-color .2s;
}
.bento__cell:hover { transform: translateY(-4px); border-color: rgba(34,211,238,.4); }
.bento__num { font-family: var(--font-head); font-size: 2rem; font-weight: 700; }
.bento__label { color: var(--muted); font-size: 13.5px; }

/* ---------- sections ---------- */
.section { padding: 96px 0; }
.section--alt { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.sec-label { font-family: var(--font-mono); color: var(--cyan); font-size: 13px; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 14px; }
.sec-title { font-family: var(--font-head); font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 700; letter-spacing: -.02em; line-height: 1.15; margin-bottom: 40px; }

/* ---------- about ---------- */
.about__grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; align-items: start; }
.about__lead { color: var(--muted); font-size: 1.06rem; }
.about__lead strong { color: var(--text); }
.about__aside { background: var(--grad-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.about__note { color: var(--text); font-size: .97rem; }
.about__note strong { color: var(--green); }

/* ---------- timeline ---------- */
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 1px; background: var(--border); }
.tl__item { position: relative; margin-bottom: 34px; }
.tl__dot { position: absolute; left: -30px; top: 6px; width: 15px; height: 15px; border-radius: 50%; background: var(--grad); box-shadow: 0 0 0 4px rgba(34,211,238,.15); }
.tl__card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 28px; transition: border-color .2s, transform .2s; }
.tl__card:hover { border-color: rgba(34,211,238,.35); transform: translateX(4px); }
.tl__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 16px; margin-bottom: 14px; }
.tl__head h3 { font-family: var(--font-head); font-size: 1.18rem; font-weight: 600; }
.tl__sub { color: var(--cyan); font-weight: 500; font-size: .9rem; }
.tl__org { color: var(--muted); font-size: .92rem; }
.tl__date { margin-left: auto; color: var(--dim); font-size: .85rem; font-family: var(--font-mono); }
.tl__list { list-style: none; display: grid; gap: 9px; }
.tl__list li { position: relative; padding-left: 20px; color: var(--muted); font-size: .96rem; }
.tl__list li::before { content: "▸"; position: absolute; left: 0; color: var(--green); }
.tl__list strong { color: var(--text); }

/* ---------- skills ---------- */
.skills { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.skill { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; transition: transform .2s, border-color .2s; }
.skill:hover { transform: translateY(-4px); border-color: rgba(52,211,153,.35); }
.skill__icon { font-size: 26px; margin-bottom: 10px; }
.skill h3 { font-family: var(--font-head); font-size: 1.05rem; margin-bottom: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span { font-size: .82rem; color: var(--muted); background: var(--surface-2); border: 1px solid var(--border); padding: 6px 12px; border-radius: 999px; }
.chips--sm span { font-size: .75rem; }

/* ---------- certifications ---------- */
.certs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cert { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: transform .2s, border-color .2s; position: relative; }
.cert:hover { transform: translateY(-4px); border-color: rgba(34,211,238,.35); }
.cert__tag { display: inline-block; font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; padding: 3px 10px; border-radius: 999px; margin-bottom: 12px; font-weight: 600; }
.cert__tag--off { background: rgba(52,211,153,.14); color: var(--green); border: 1px solid rgba(52,211,153,.3); }
.cert__tag--def { background: rgba(34,211,238,.14); color: var(--cyan); border: 1px solid rgba(34,211,238,.3); }
.cert__tag--dev { background: rgba(167,139,250,.14); color: var(--violet); border: 1px solid rgba(167,139,250,.3); }
.cert h3 { font-family: var(--font-head); font-size: 1.08rem; font-weight: 600; }
.cert p { color: var(--muted); font-size: .86rem; margin: 4px 0 12px; }
.cert__date { color: var(--dim); font-size: .8rem; font-family: var(--font-mono); }

/* ---------- projects ---------- */
.projects { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.project { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; display: flex; flex-direction: column; gap: 12px; transition: transform .2s, border-color .2s; }
.project:hover { transform: translateY(-4px); border-color: rgba(52,211,153,.35); }
.project__head { display: flex; justify-content: space-between; align-items: center; }
.project__badge { font-size: .72rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--green); }
.project__arrow { color: var(--dim); font-size: 1.1rem; transition: transform .2s; }
.project:hover .project__arrow { transform: translate(3px,-3px); color: var(--cyan); }
.project h3 { font-family: var(--font-head); font-size: 1.1rem; font-weight: 600; }
.project p { color: var(--muted); font-size: .9rem; flex: 1; }

/* ---------- education ---------- */
.edu { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.edu__meta { color: var(--muted); font-size: .98rem; margin-top: 4px; }
.edu__badge { text-align: center; background: var(--grad-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 30px; }
.edu__badge--label { display: block; font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; }
.edu__badge--sub { color: var(--muted); font-size: .85rem; }

/* ---------- contact ---------- */
.contact { text-align: center; padding: 110px 0; }
.contact__lead { color: var(--muted); max-width: 620px; margin: 0 auto 34px; }
.contact__lead strong { color: var(--text); }
.contact__links { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 26px 0; }
.footer__inner { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 13.5px; }
.footer__dim { color: var(--dim); font-family: var(--font-mono); }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; gap: 36px; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .skills, .certs, .projects { grid-template-columns: 1fr; }
  .about__grid { grid-template-columns: 1fr; }
  .nav__links {
    position: fixed; top: 64px; right: 0; left: 0;
    flex-direction: column; gap: 0; background: rgba(7,12,24,.98);
    border-bottom: 1px solid var(--border); padding: 10px 0;
    transform: translateY(-130%); transition: transform .3s ease;
  }
  .nav__links.open { transform: translateY(0); }
  .nav__links a { padding: 14px 24px; width: 100%; }
  .nav__toggle { display: block; }
}

@media (max-width: 560px) {
  .bento { grid-template-columns: 1fr; }
  .hero { padding-top: 100px; }
}