/* Alex Ortiz — personal site
   Layout: slim sticky nav over a single column of full-width bands;
   content held to a readable measure, cool-white ground, navy structure, one orange pop. */

:root {
  --bg: #ffffff;
  --surface: #f4f7f9;
  --surface-2: #eef2f6;
  --fg: #111a22;
  --muted: #5b6875;
  --border: #e2e8ee;
  --navy: #0d3356;
  --navy-soft: #1c4d7c;
  --accent: #df4f1b;      /* racing-stripe orange, used sparingly */
  --shadow: 0 1px 2px rgba(16,26,34,.04), 0 8px 28px rgba(16,26,34,.06);
  --maxw: 1080px;
  --measure: 64ch;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1119;
    --surface: #121a24;
    --surface-2: #17212e;
    --fg: #e7edf3;
    --muted: #9aa8b6;
    --border: #26323f;
    --navy: #7fb2e4;
    --navy-soft: #a9cdf0;
    --accent: #ff6a3c;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 10px 30px rgba(0,0,0,.4);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b1119;
  --surface: #121a24;
  --surface-2: #17212e;
  --fg: #e7edf3;
  --muted: #9aa8b6;
  --border: #26323f;
  --navy: #7fb2e4;
  --navy-soft: #a9cdf0;
  --accent: #ff6a3c;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 10px 30px rgba(0,0,0,.4);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; text-wrap: balance; line-height: 1.12; margin: 0; }

.wrap {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 .9rem;
}
section { padding-block: clamp(3.5rem, 7vw, 6rem); }
section + section { border-top: 1px solid var(--border); }

/* Nav */
nav {
  position: sticky;
  top: 0;
  z-index: 15;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 58px;
}
.brand { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; letter-spacing: .01em; text-decoration: none; }
.brand span { color: var(--accent); }
.nav-links { display: flex; gap: 1.6rem; align-items: center; }
.nav-links a {
  text-decoration: none;
  font-size: .92rem;
  color: var(--muted);
  transition: color .15s;
}
.nav-links a:hover { color: var(--fg); }
@media (max-width: 640px) { .nav-links a { display: none; } }

/* Masthead */
.masthead { padding-top: clamp(3rem, 7vw, 5.5rem); padding-bottom: clamp(3.5rem, 7vw, 6rem); }
.masthead-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}
.masthead h1 {
  font-size: clamp(2.6rem, 6.5vw, 4.4rem);
  letter-spacing: -.015em;
  font-weight: 500;
}
.lede {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--muted);
  max-width: 42ch;
  margin: 1.3rem 0 1.8rem;
}
.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .03em;
  padding: .34rem .7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--fg);
  background: var(--surface);
}
.portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.portrait img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 760px) {
  .masthead-grid { grid-template-columns: 1fr; }
  .portrait { max-width: 320px; }
}

/* About */
.about p { max-width: var(--measure); color: var(--fg); margin: 0 0 1rem; }
.about .muted { color: var(--muted); }

/* Academy / cyber */
.academy { background: var(--surface); }
.academy-head { max-width: var(--measure); }
.academy-head p { color: var(--muted); margin: 1rem 0 0; }
.cyber {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 760px) { .cyber { grid-template-columns: 1fr; } }
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.6rem;
  box-shadow: var(--shadow);
}
.cyber-main h3 { font-size: 1.5rem; margin-bottom: .6rem; }
.cyber-main p { color: var(--muted); margin: 0; max-width: 52ch; }
.tags { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1.2rem; }
.tag {
  font-family: var(--font-mono);
  font-size: .74rem;
  padding: .28rem .6rem;
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--muted);
}
.stat {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .2rem;
  background: var(--navy);
  color: #ffffff;
  border: none;
}
:root:not([data-theme="light"]) .stat { color: #0b1119; }
:root[data-theme="dark"] .stat { color: #0b1119; }
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) .stat { color: #ffffff; } }
.stat .big { font-family: var(--font-display); font-size: 3.2rem; font-weight: 600; line-height: 1; }
.stat .label { font-family: var(--font-mono); font-size: .76rem; letter-spacing: .04em; opacity: .9; }
.stat .sub { font-size: .9rem; opacity: .85; margin-top: .4rem; }

.hackathon {
  margin-top: 1.25rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.25rem;
  align-items: center;
}
@media (max-width: 760px) { .hackathon { grid-template-columns: 1fr; } }
.hackathon .shot { aspect-ratio: 16 / 10; border-radius: 12px; overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow); }
.hackathon .shot img { width: 100%; height: 100%; object-fit: cover; }
.hackathon .note h3 { font-size: 1.15rem; margin-bottom: .4rem; }
.hackathon .note p { color: var(--muted); margin: 0; font-size: .95rem; }

/* Projects */
.projects-grid {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
@media (max-width: 860px) { .projects-grid { grid-template-columns: 1fr; } }
.project {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform .18s ease, box-shadow .18s ease;
}
.project:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(16,26,34,.1); }
.project h3 { font-size: 1.3rem; margin-bottom: .5rem; }
.project p { color: var(--muted); font-size: .96rem; margin: 0 0 1.1rem; flex: 1; }
.project .link {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}
.project .tags { margin-top: 0; margin-bottom: 1rem; }

/* Beyond */
.life { display: flex; flex-direction: column; gap: clamp(2rem, 5vw, 3.5rem); margin-top: 2.5rem; }
.life-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.25rem, 4vw, 3rem);
  align-items: center;
}
.life-item:nth-child(even) .life-media { order: 2; }
@media (max-width: 760px) {
  .life-item, .life-item:nth-child(even) .life-media { grid-template-columns: 1fr; order: 0; }
}
.life-media {
  aspect-ratio: 3 / 2;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.life-media img { width: 100%; height: 100%; object-fit: cover; }
.life-body h3 { font-size: 1.6rem; margin-bottom: .2rem; }
.life-body .meta { font-family: var(--font-mono); font-size: .76rem; letter-spacing: .05em; color: var(--accent); text-transform: uppercase; }
.life-body p { color: var(--muted); margin: .8rem 0 0; max-width: 46ch; }
.roles { list-style: none; padding: 0; margin: 1rem 0 0; display: flex; flex-wrap: wrap; gap: .45rem; }
.roles li {
  font-size: .82rem;
  padding: .3rem .65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--fg);
}

/* Footer */
footer { background: var(--navy); color: #eaf1f8; padding-block: clamp(3rem, 6vw, 4.5rem); }
:root:not([data-theme="light"]) footer { background: var(--surface); color: var(--fg); border-top: 1px solid var(--border); }
:root[data-theme="dark"] footer { background: var(--surface); color: var(--fg); border-top: 1px solid var(--border); }
footer h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); color: inherit; }
footer .contact { margin-top: 1.4rem; display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; }
footer a.cta { text-decoration: none; font-family: var(--font-mono); font-size: .9rem; color: inherit; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
footer .fine { margin-top: 2.2rem; font-size: .82rem; opacity: .7; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }