/* =========================================================
   Isabella Castro Camacho — Portfolio
   ========================================================= */

:root {
  --bg: #eef1f7;
  --bg-soft: #f6f8fc;
  --surface: #ffffff;
  --surface-glass: rgba(255, 255, 255, 0.72);
  --text: #16203a;
  --text-soft: #5b6478;
  --muted: #9aa3b8;
  --blue: #3f6fb5;
  --blue-2: #5a8bd6;
  --blue-deep: #2f5a98;
  --blue-light: #e3ebf8;
  --blue-ink: var(--blue);            /* blue text on the page background */
  --dark: #1f2a3f;
  --border: rgba(255, 255, 255, 0.85);
  --shadow: 0 12px 34px rgba(31, 42, 63, 0.14);
  --shadow-sm: 0 6px 16px rgba(31, 42, 63, 0.10);
  --shadow-lg: 0 24px 60px rgba(31, 42, 63, 0.22);
  --radius: 22px;
  --radius-sm: 14px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ease: cubic-bezier(.22, .8, .32, 1);
}

[data-theme="dark"] {
  --bg: #0f1522;
  --bg-soft: #141c2c;
  --surface: #1a2335;
  --surface-glass: rgba(26, 35, 53, 0.72);
  --text: #eef1f7;
  --text-soft: #b6bfd3;
  --muted: #7d8aa5;
  --blue-light: #22304a;
  --blue-ink: #ffffff;                /* dark mode: that text goes white */
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 12px 34px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 6px 16px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.6);
}

*, *::before, *::after { box-sizing: border-box; }
/* keeps anchor jumps (#home, #projects, ...) from landing a section's
   title right underneath the sticky glass navbar — nav-wrap is ~86px
   tall plus its own top padding, so give a bit more room than that */
/* overflow-x: hidden lives ONLY on html, never on body — setting it on
   body turns body into its own scroll container, which silently breaks
   every position:sticky element on the page (the sticky navbar included) */
html { scroll-behavior: smooth; font-size: 17px; scroll-padding-top: 100px; overflow-x: hidden; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background .35s, color .35s;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 { margin: 0; line-height: 1.15; }
:focus-visible { outline: 3px solid var(--blue-2); outline-offset: 3px; border-radius: 6px; }

.container { width: min(1320px, 90vw); margin-inline: auto; }

/* ---------- glass utilities ---------- */
.glass {
  background: var(--surface-glass);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}
.glass-dark {
  background: rgba(20, 35, 70, 0.32);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.18), 0 8px 24px rgba(10,20,50,.25);
}

.eyebrow {
  display: block;
  color: var(--blue-ink);
  font-weight: 600;
  font-size: .82rem;
  letter-spacing: .04em;
  margin-bottom: .35rem;
}
h2 { font-size: clamp(1.6rem, 2.6vw, 2rem); font-weight: 700; margin-bottom: 1.4rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .75rem 1.5rem; border-radius: 12px;
  font-weight: 600; font-size: .95rem;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s;
}
.btn svg { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-2px); }
.btn-dark { background: var(--dark); color: #fff; box-shadow: 0 8px 22px rgba(10,15,30,.35); }
.btn-dark:hover { background: #0f1729; box-shadow: 0 12px 28px rgba(10,15,30,.45); }
.btn-blue { background: linear-gradient(135deg, var(--blue-2), var(--blue)); color: #fff; box-shadow: 0 8px 22px rgba(63,111,181,.4); }
.btn-blue:hover { box-shadow: 0 14px 30px rgba(63,111,181,.55); }
.btn-sm { padding: .55rem 1.1rem; font-size: .85rem; border-radius: 10px; }
.btn-sm svg { width: 15px; height: 15px; }

/* =========================================================
   NAVBAR
   ========================================================= */
.nav-wrap {
  position: sticky; top: 0; z-index: 50;
  padding: 1rem 0 .5rem;
}
.nav {
  position: relative; z-index: 61; /* stays above the mobile drawer (z-index 60) so the toggle button is still clickable to close it */
  width: min(1560px, 95vw); margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .55rem .75rem .55rem .55rem;
  border-radius: 999px;
}
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; font-size: 1.05rem; }
.brand-avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; object-position: top; box-shadow: var(--shadow-sm); }
.nav-links { display: flex; align-items: center; gap: .4rem; }
/* the mobile drawer list only exists for narrow screens (see the
   @media (max-width: 760px) block) — hidden by default on desktop */
.nav-links.nav-links--drawer { display: none; }
.nav-links a {
  display: inline-block;
  font-weight: 500; font-size: 1rem; color: var(--text-soft);
  padding: .5rem 1rem; border-radius: 999px;
  transition: color .25s, background .25s;
}
/* glass-blue "chip" that lights up on hover, keyboard focus, tap (mobile
   :active) and while it's the active/current section — same treatment
   for the desktop pill nav and the mobile drawer below */
.nav-links a:hover, .nav-links a:focus-visible, .nav-links a:active, .nav-links a.active {
  color: var(--blue); background: rgba(63, 111, 181, .14);
}
[data-theme="dark"] .nav-links a:hover, [data-theme="dark"] .nav-links a:focus-visible,
[data-theme="dark"] .nav-links a:active, [data-theme="dark"] .nav-links a.active {
  color: #cfe0ff; background: rgba(90, 139, 214, .25);
}
.nav-actions { display: flex; gap: .5rem; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-2), var(--blue)); color: #fff;
  display: grid; place-items: center; box-shadow: 0 6px 16px rgba(63,111,181,.4);
  transition: transform .3s var(--ease), box-shadow .3s;
}
.icon-btn svg { width: 20px; height: 20px; }
.icon-btn:hover { transform: rotate(14deg) scale(1.08); box-shadow: 0 10px 22px rgba(63,111,181,.55); }
.ico-moon { display: none; }
[data-theme="dark"] .ico-moon { display: block; }
[data-theme="dark"] .ico-sun { display: none; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: .5rem; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }

/* =========================================================
   HERO
   ========================================================= */
.hero { padding: 1.5rem 0 3rem; --tagline-h: 5rem; --photo-rise: 2.4rem; }
.hero-stage { position: relative; }
.hero-tagline {
  display: flex; justify-content: space-between; align-items: flex-start;
  height: var(--tagline-h);          /* the photo starts exactly at this box's top */
  padding: 0 .75rem; margin: 0; position: relative; z-index: 1;
}
.hero-tagline p { margin: 0; display: flex; flex-direction: column; line-height: 1.05; }
.hero-tagline em { font-style: italic; font-weight: 600; font-size: 1.15rem; color: var(--text); }
.hero-tagline strong { font-size: clamp(1.6rem, 3.2vw, 2.4rem); font-weight: 800; color: var(--blue-ink); letter-spacing: -.01em; }
.tag-right { text-align: right; }

.hero-card {
  position: relative; overflow: visible;
  min-height: 560px;
  border-radius: 30px;
  background: linear-gradient(135deg, #5b87cf 0%, #3f6fb5 55%, #32599a 100%);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,.35);
  color: #fff;
  display: grid; grid-template-columns: 1.15fr 1fr 1fr;
  padding: 3.6rem 3rem 2.8rem;
  isolation: isolate; z-index: 2;
}
.hero-card::before {
  /* soft inner glass sheen */
  content: ""; position: absolute; inset: 0; border-radius: inherit; overflow: hidden; z-index: -1;
  background:
    radial-gradient(60% 70% at 15% 30%, rgba(255,255,255,.16), transparent 60%),
    radial-gradient(40% 50% at 85% 85%, rgba(255,255,255,.12), transparent 60%);
}
.blob {
  position: absolute; z-index: -1; border-radius: 50%;
  filter: blur(40px); opacity: .55; pointer-events: none;
  animation: float 12s ease-in-out infinite;
}
.blob-1 { width: 380px; height: 280px; left: 22%; top: 40%; background: #8fb4ee; }
.blob-3 { width: 220px; height: 200px; left: 4%; bottom: -8%; background: #7ea6e6; animation-delay: -8s; }
@keyframes float {
  0%, 100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(18px, -14px) scale(1.06); }
}

/* ---------- dark mode hero ---------- */
[data-theme="dark"] .hero-card {
  background: linear-gradient(135deg, #1e3a63 0%, #16294a 55%, #101d33 100%);
}
[data-theme="dark"] .hero-card::before {
  background:
    radial-gradient(60% 70% at 15% 30%, rgba(255,255,255,.08), transparent 60%),
    radial-gradient(40% 50% at 85% 85%, rgba(255,255,255,.06), transparent 60%);
}
[data-theme="dark"] .blob { opacity: .4; }
/* white "Projects" button */
[data-theme="dark"] .hero-left .btn-dark { background: #fff; color: var(--dark); box-shadow: 0 8px 22px rgba(0,0,0,.45); }
[data-theme="dark"] .hero-left .btn-dark:hover { background: #e9eefa; }
/* white "Companies" pill */
[data-theme="dark"] .companies { background: rgba(255,255,255,.94); color: var(--dark); border-color: rgba(255,255,255,.6); }
[data-theme="dark"] .companies:hover { background: #fff; }
[data-theme="dark"] .company-text span { opacity: .7; }
/* the shapes behind the photo read brighter on the darker card */
[data-theme="dark"] .photo-deco .d1 { fill: rgba(255,255,255,.16); }
[data-theme="dark"] .photo-deco .d2 { fill: rgba(255,255,255,.12); }
[data-theme="dark"] .photo-deco .d3 { fill: rgba(255,255,255,.20); }

.hero-left { display: flex; flex-direction: column; align-items: flex-start; gap: 1.1rem; z-index: 2; }
/* just the icon and the letters — no pill behind them */
.chip {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: 0; font-size: .82rem; font-weight: 700; letter-spacing: .08em;
}
.chip svg { width: 14px; height: 14px; }
.hero-left .btn-dark { padding: 1rem 2rem; font-size: 1.08rem; border-radius: 14px; }
.hero-left .btn-dark svg { width: 22px; height: 22px; }
.hero-left h1 { font-size: clamp(1.6rem, 2.6vw, 2.5rem); font-weight: 800; text-transform: uppercase; letter-spacing: -.01em; text-shadow: 0 2px 12px rgba(0,0,0,.18); }
.hero-left h1 .name-line { white-space: nowrap; }
.hero-desc { margin: 0; max-width: 34ch; font-size: 1rem; color: rgba(255,255,255,.92); }
.companies {
  display: flex; align-items: center; gap: 1rem;
  padding: .8rem 1.5rem .8rem .8rem; border-radius: 999px; margin-top: .5rem;
  transition: transform .3s var(--ease), background .3s;
}
.companies:hover { transform: translateY(-3px); background: rgba(20,35,70,.45); }
.company-stack { display: flex; }
.company-stack img {
  position: relative; z-index: 1;
  width: 50px; height: 50px; border-radius: 50%; object-fit: cover;
  border: 2px solid #fff; background: #fff; margin-left: -15px; box-shadow: 0 4px 10px rgba(0,0,0,.25);
  transition: transform .3s var(--ease), box-shadow .3s;
}
.company-stack img:first-child { margin-left: 0; }
/* hovering one logo lifts it over the other two */
.company-stack img:hover {
  z-index: 5; transform: scale(1.45);
  box-shadow: 0 10px 22px rgba(0,0,0,.4);
}
.company-text { display: flex; flex-direction: column; line-height: 1.2; }
.company-text strong { font-size: 1.08rem; }
.company-text span { font-size: .9rem; opacity: .88; }

/* static on purpose: photo + shapes are placed against the hero card itself */
.hero-photo { position: static; }
.hero-photo img {
  position: absolute; z-index: 5;                 /* frontmost layer of the hero */
  left: var(--photo-x, 58%);
  transform: translateX(-50%) scale(1.05);   /* resting size */
  top: calc(-1 * (var(--tagline-h) + var(--photo-rise)));  /* rises past the tagline line */
  height: calc(100% + var(--tagline-h) + var(--photo-rise)); /* bottom edge = bottom of the hero card */
  width: auto; max-width: none;
  object-fit: contain; object-position: bottom center;
  filter: url(#photo-sharpen) drop-shadow(0 24px 34px rgba(0,0,0,.38));
  transform-origin: bottom center;
  transition: transform .45s var(--ease);
}
.hero-photo img:hover { transform: translateX(-50%) scale(1.12); }
/* organic shapes behind the cut-out photo */
.photo-deco {
  position: absolute; z-index: 0; pointer-events: none;
  left: var(--photo-x, 58%); transform: translateX(-50%); bottom: 0;
  height: 94%; width: auto; aspect-ratio: 640 / 560;
}
.photo-deco .d1 { fill: rgba(255, 255, 255, .13); }
.photo-deco .d2 { fill: rgba(255, 255, 255, .10); }
.photo-deco .d3 { fill: rgba(255, 255, 255, .16); }

.hero-right { display: flex; flex-direction: column; align-items: flex-end; gap: 1.3rem; z-index: 2; --flip-w: 270px; }
/* same width as the flip card, so LinkedIn lines up with its left edge */
.social-links { display: flex; gap: 2rem; width: var(--flip-w); justify-content: flex-start; padding-left: .25rem; }
.social { display: flex; flex-direction: column; align-items: center; gap: .35rem; text-align: center; transition: transform .3s var(--ease); }
.social:hover { transform: translateY(-4px); }
.social-ico { width: 44px; height: 44px; border-radius: 12px; background: rgba(255,255,255,.14); display: grid; place-items: center; transition: background .3s, box-shadow .3s; }
.social-ico svg, .social-ico img { width: 26px; height: 26px; }
.social:hover .social-ico { background: rgba(255,255,255,.28); box-shadow: 0 8px 20px rgba(0,0,0,.25); }
.social-label { font-size: .8rem; font-weight: 600; line-height: 1.2; }
.social-label small { font-weight: 400; font-size: .72rem; opacity: .85; }

/* ---------- 3D flip card ---------- */
.flip-scene { width: var(--flip-w, 270px); height: 305px; perspective: 1400px; }
.flip-card {
  position: relative; width: 100%; height: 100%;
  transform-style: preserve-3d;
  transition: transform .9s cubic-bezier(.45, .05, .2, 1.1);
}
.flip-card.flipped { transform: rotateY(180deg); }
.flip-face {
  position: absolute; inset: 0; border-radius: 22px;
  background: rgba(255,255,255,.96); color: var(--dark);
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
  box-shadow: 0 20px 50px rgba(10,20,50,.35), inset 0 1px 0 #fff;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .8rem;
  padding: 1.2rem;
}
.flip-back { transform: rotateY(180deg); }
.flip-icon {
  width: 132px; height: 132px; border-radius: 26px;
  background: linear-gradient(160deg, #eef3fb, #d9e4f5);
  color: var(--blue); display: grid; place-items: center;
  box-shadow: inset 0 2px 0 #fff, 0 8px 22px rgba(63,111,181,.25);
  transition: transform .4s var(--ease), box-shadow .4s;
}
.flip-icon svg { width: 66px; height: 66px; transition: transform .4s var(--ease); }
.flip-icon:hover { transform: translateY(-4px); box-shadow: inset 0 2px 0 #fff, 0 16px 30px rgba(63,111,181,.4); }
.flip-icon:hover svg { transform: rotate(-12deg) scale(1.08); }
.flip-title { margin: 0; text-align: center; line-height: 1.25; display: flex; flex-direction: column; }
/* the title itself is the flip trigger: hover or click turns the card */
.flip-trigger {
  padding: .45rem .9rem; border-radius: 14px; cursor: pointer;
  transition: transform .4s var(--ease), background .4s, box-shadow .4s;
}
.flip-trigger:hover, .flip-trigger:focus-visible {
  transform: translateY(-4px) scale(1.04);
  background: linear-gradient(160deg, #eef3fb, #d9e4f5);
  box-shadow: 0 10px 24px rgba(63,111,181,.28);
  outline: none;
}
.flip-trigger:hover strong, .flip-trigger:focus-visible strong { color: var(--blue); }
.flip-title strong { font-size: .95rem; }
.flip-title span { font-size: .85rem; color: var(--text-soft); }
[data-theme="dark"] .flip-title span { color: #4a5670; }
.qr-box { width: 132px; height: 132px; padding: 8px; background: #fff; border-radius: 16px; box-shadow: 0 8px 22px rgba(63,111,181,.25); display: grid; place-items: center; }
.qr-box img, .qr-box canvas { width: 116px !important; height: 116px !important; }
.copied-msg { color: #1d9d6a !important; font-weight: 600; opacity: 0; transition: opacity .4s; }
.copied-msg.show { opacity: 1; }

/* ---------- stats ---------- */
.stats {
  width: min(900px, 100%); margin: 1.6rem auto 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
  padding: 1.4rem 1.6rem;
  position: relative; z-index: 3;
}
.stat { display: grid; grid-template-columns: auto auto 1fr; align-items: center; gap: .9rem; position: relative; padding-left: 1rem; }
.stat + .stat::before { content: ""; position: absolute; left: -.5rem; top: 10%; height: 80%; width: 1px; background: rgba(120,135,170,.3); }
.stat-ico { width: 56px; height: 56px; border-radius: 50%; background: var(--blue-light); color: var(--blue-ink); display: grid; place-items: center; box-shadow: inset 0 2px 0 #fff, var(--shadow-sm); transition: transform .35s var(--ease); }
.stat:hover .stat-ico { transform: rotate(-10deg) scale(1.08); }
.stat-ico svg { width: 26px; height: 26px; }
.stat-num { font-size: 2.3rem; font-weight: 800; color: var(--blue-ink); }
.stat-label { font-size: 1rem; color: var(--text-soft); line-height: 1.2; }

/* =========================================================
   ABOUT
   ========================================================= */
.about { padding: 1rem 0 3rem; }
.quote-card { display: grid; grid-template-columns: auto 1fr auto; gap: 1.5rem; align-items: center; padding: 1.6rem 2rem; margin-bottom: 1.2rem; }
.quote-mark { font-size: 4rem; line-height: .6; color: var(--blue-ink); font-weight: 800; font-family: Georgia, serif; }
.quote-slides { position: relative; min-height: 3.2em; }
.quote-text { margin: 0; font-size: 1rem; color: var(--text); position: absolute; inset: 0; opacity: 0; transform: translateY(6px); transition: opacity .5s, transform .5s var(--ease); pointer-events: none; }
.quote-text.active { opacity: 1; transform: none; position: relative; pointer-events: auto; }
.quote-author { display: flex; gap: .8rem; align-items: center; min-width: 200px; }
.quote-author img { width: 58px; height: 58px; border-radius: 50%; object-fit: cover; object-position: top; box-shadow: var(--shadow-sm); }
.quote-author strong { display: block; font-size: .95rem; }
.quote-author span { font-size: .8rem; color: var(--text-soft); }
.dots { display: flex; gap: 8px; margin-top: .5rem; }
.dots button { width: 12px; height: 12px; border-radius: 50%; background: var(--muted); padding: 0; transition: .3s; cursor: pointer; }
.dots button.active { background: var(--blue); width: 28px; border-radius: 6px; }

.education { display: grid; grid-template-columns: 1fr 1fr; padding: 1.2rem 2rem; }
.edu { display: flex; align-items: center; gap: 1rem; padding: .4rem 1rem; }
.edu + .edu { border-left: 1px solid rgba(120,135,170,.35); }
.edu img { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; object-position: top; box-shadow: var(--shadow-sm); transition: transform .35s var(--ease); }
.edu:hover img { transform: scale(1.08); }
.edu strong { display: block; font-size: 1.05rem; }
.edu span { font-size: .95rem; color: var(--text-soft); }

/* =========================================================
   TOOLS
   ========================================================= */
.tools { padding: 1rem 0 3.5rem; }
.tools-grid { display: grid; grid-template-columns: 440px 1fr; gap: 2rem; align-items: stretch; }
.languages { padding: 1.6rem 1.8rem; display: flex; flex-direction: column; }
.languages .lang-list { flex: 1; display: flex; flex-direction: column; justify-content: space-evenly; }
.languages h2 { margin-bottom: 1.2rem; }
.lang-list li { display: grid; grid-template-columns: 70px 1fr 40px; align-items: center; gap: .9rem; margin-bottom: .9rem; font-size: 1.02rem; }
.lang-list small { color: var(--muted); font-size: .88rem; text-align: right; }
.bar { height: 6px; border-radius: 6px; background: var(--blue-light); overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; border-radius: 6px; background: linear-gradient(90deg, var(--blue-2), var(--blue)); transition: width 1.2s var(--ease); }
.bar.animate i { width: var(--w); }

.tool-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.3rem 1rem; padding-top: .4rem; }
.tool-grid li {
  background: var(--surface); border-radius: 18px; padding: .9rem .5rem .7rem;
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  transition: transform .35s var(--ease), box-shadow .35s;
}
.tool-grid li:hover { transform: translateY(-6px) rotate(-2deg); box-shadow: 0 16px 32px rgba(63,111,181,.25); }
.tool-grid img, .tool-badge { width: 42px; height: 42px; object-fit: contain; }
.tool-grid li span:last-child { font-size: .82rem; color: var(--text-soft); font-weight: 500; }
.tool-badge { display: grid; place-items: center; border-radius: 9px; font-weight: 800; font-size: 1.15rem; color: #fff; }
.badge-id { background: #2b0f1e; color: #ff3366; border: 2px solid #ff3366; }
.tint-ai { filter: none; }
[data-theme="dark"] .tool-grid img[src$="json.svg"],
[data-theme="dark"] .tool-grid img[src$="github.svg"] { filter: invert(1); }
/* Illustrator/Photoshop icons are drawn almost black (#330000/#001e36),
   so on the dark card background they nearly disappear — invert them to
   white in dark mode, same fix as json/github above. */
[data-theme="dark"] .tool-grid img[src$="illustrator.svg"],
[data-theme="dark"] .tool-grid img[src$="photoshop.svg"] { filter: invert(1); }

/* =========================================================
   PROJECTS
   ========================================================= */
.projects { padding: 1rem 0 3.5rem; }
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .9rem; }
.project {
  display: block; cursor: pointer;
  background: var(--surface); border-radius: 14px; overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  transition: transform .4s var(--ease), box-shadow .4s;
}
.project:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-img { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.project-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.project:hover .project-img img { transform: scale(1.06); }
.project-img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(31,42,63,.55));
  opacity: 0; transition: opacity .4s;
}
.project:hover .project-img::after { opacity: 1; }
.project-body { padding: .6rem .7rem .7rem; }
.project-head { display: flex; justify-content: space-between; align-items: flex-start; gap: .4rem; }
.project-head-icon { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 7px; color: var(--muted); transition: .3s; flex: none; }
.project:hover .project-head-icon { background: var(--blue-light); color: var(--blue); transform: translate(2px, -2px); }
.project-head-icon svg { width: 13px; height: 13px; }
.project-title { font-size: .78rem; font-weight: 600; color: var(--blue-ink); }
.project-sub { font-size: .7rem; color: var(--text-soft); margin: .05rem 0 .4rem; }
.project-tags { display: inline-flex; flex-wrap: wrap; gap: .25rem; padding: .2rem .35rem; border-radius: 7px; background: var(--bg-soft); box-shadow: inset 0 0 0 1px rgba(120,135,170,.15); }
.project-tags img { width: 14px; height: 14px; object-fit: contain; }

.pagination { display: flex; justify-content: center; gap: .9rem; margin-top: 2.2rem; }
.pagination button {
  width: 52px; height: 52px; border-radius: 14px; background: var(--surface);
  font-weight: 600; font-size: 1.05rem; color: var(--text-soft);
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  transition: transform .3s var(--ease), background .3s, color .3s;
}
.pagination button:hover { transform: translateY(-3px); color: var(--blue); }
.pagination button.active { background: linear-gradient(135deg, var(--blue-2), var(--blue)); color: #fff; box-shadow: 0 10px 22px rgba(63,111,181,.45); }

/* =========================================================
   EXPERIENCE
   ========================================================= */
.experience { padding: 1rem 0 3.5rem; }
.tabs { display: flex; gap: .7rem; flex-wrap: wrap; margin-bottom: 2rem; }
.tab {
  padding: .55rem 1.1rem; border-radius: 12px; font-size: .9rem; font-weight: 500;
  background: var(--surface); color: var(--text-soft); box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  transition: transform .3s var(--ease), background .3s, color .3s;
}
.tab:hover { transform: translateY(-2px); color: var(--blue); }
.tab.active { background: linear-gradient(135deg, var(--blue-2), var(--blue)); color: #fff; box-shadow: 0 8px 20px rgba(63,111,181,.4); }

.timeline { position: relative; padding-left: 5.4rem; min-height: 200px; }
.tl-item { position: relative; padding: 0 0 2.6rem; animation: tl-in .5s var(--ease) both; }
.tl-item:nth-child(2) { animation-delay: .08s; }
.tl-item:nth-child(3) { animation-delay: .16s; }
@keyframes tl-in { from { opacity: 0; transform: translateX(-14px); } to { opacity: 1; transform: none; } }
/* marker: big hollow circle + line that fades downward */
.tl-marker { position: absolute; left: -5.4rem; top: 0; width: 72px; display: flex; flex-direction: column; align-items: center; }
.tl-logo {
  width: 68px; height: 68px; border-radius: 50%;
  /* thin ring only — the logo fills the circle, like the "Companies" stack */
  background: var(--surface); border: 3px solid var(--blue-2); padding: 2px;
  display: grid; place-items: center; box-shadow: 0 6px 18px rgba(63,111,181,.28);
  transition: transform .35s var(--ease);
}
.tl-logo img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.tl-logo:empty { padding: 0; }
.tl-initials { font-size: 1.35rem; font-weight: 800; color: var(--blue-ink); letter-spacing: .02em; }
/* the timeline grew: stagger every card, not just the first three */
.tl-item:nth-child(4) { animation-delay: .24s; }
.tl-item:nth-child(5) { animation-delay: .32s; }
.tl-item:hover .tl-logo { transform: scale(1.08); }
.tl-line { width: 4px; height: 170px; border-radius: 4px; margin-top: 2px;
  background: linear-gradient(180deg, var(--blue) 0%, var(--blue-2) 45%, transparent 100%); }
.tl-item:last-child .tl-line { height: 140px; }
.tl-card {
  position: relative; overflow: hidden;
  background: var(--surface); border-radius: 18px; padding: 1.1rem 1.5rem 1.15rem;
  box-shadow: var(--shadow); border: 1px solid var(--border);
  transition: transform .35s var(--ease), box-shadow .35s;
}
.tl-item:hover .tl-card { transform: translateX(6px); box-shadow: var(--shadow-lg); }
.tl-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; }
.tl-role { font-size: 1.15rem; font-weight: 700; line-height: 1.2; }
.tl-sub { font-size: .82rem; color: var(--text-soft); margin-top: .1rem; }
.tl-date {
  flex-shrink: 0; font-size: .74rem; font-weight: 600; color: #fff;
  background: var(--blue); padding: .28rem .8rem; border-radius: 999px;
  box-shadow: 0 4px 12px rgba(63,111,181,.35);
}
.tl-org { font-size: .84rem; font-weight: 700; color: var(--blue-ink); margin-top: .55rem; }
.tl-org span { color: var(--muted); font-weight: 500; margin: 0 .5rem; }
.tl-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .7rem; }
.tl-tags span {
  font-size: .7rem; font-weight: 600; color: var(--blue-deep);
  background: var(--blue-light); padding: .3rem .7rem; border-radius: 999px;
  transition: transform .25s var(--ease), background .25s;
}
[data-theme="dark"] .tl-tags span { color: #cdddf7; }
.tl-tags span:hover { transform: translateY(-2px); background: var(--blue); color: #fff; }
.tl-dots {
  position: absolute; right: 1.4rem; bottom: 1rem; width: 34px; height: 34px;
  background-image: radial-gradient(var(--blue-2) 1.3px, transparent 1.5px);
  background-size: 7px 7px; opacity: .8;
}

/* =========================================================
   AWARDS
   ========================================================= */
.awards { padding: 1rem 0 3.5rem; }
.award-carousel-wrap { display: flex; align-items: center; gap: .8rem; }
.award-carousel {
  overflow-x: auto; overflow-y: visible; position: relative; flex: 1; min-width: 0;
  scroll-behavior: smooth; scroll-snap-type: x mandatory;
  scrollbar-width: none; -ms-overflow-style: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
  padding: .6rem 0; /* room for hover scale without clipping */
}
.award-carousel::-webkit-scrollbar { display: none; }
.award-track { display: flex; gap: 1.4rem; }
.award {
  flex: 0 0 calc(25% - 1.05rem); scroll-snap-align: start;
  background: var(--surface); border-radius: 18px; padding: .8rem .8rem 1rem;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border); cursor: zoom-in;
  transition: transform .35s var(--ease), box-shadow .35s;
}
.award:hover { transform: scale(1.1); box-shadow: var(--shadow-lg); z-index: 2; position: relative; }
.award img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 12px; }
.award p { margin: .7rem .2rem 0; font-size: .8rem; color: var(--text-soft); text-align: center; }
.award-arrow {
  flex: none; width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center; background: var(--surface);
  box-shadow: var(--shadow-sm); border: 1px solid var(--border); color: var(--blue-ink);
  transition: .25s;
}
.award-arrow svg { width: 20px; height: 20px; }
.award-arrow:hover { background: var(--blue); color: #fff; transform: scale(1.06); }
.award-arrow:disabled { opacity: .35; pointer-events: none; }

/* =========================================================
   CONTACT
   ========================================================= */
.contact { padding: 1rem 0 2rem; }
.contact-card { display: flex; align-items: center; gap: 1.4rem; padding: 1.4rem 2rem; flex-wrap: wrap; }
/* the mail icon is itself a link now (no plain-text email address on the
   page for scrapers/spam-bots to harvest) — it grows on hover like the
   other icon buttons on the page, doubling as a second way to contact */
.mail-ico {
  width: 62px; height: 62px; border-radius: 16px; background: var(--blue-light); color: var(--blue-ink);
  display: grid; place-items: center; box-shadow: inset 0 2px 0 #fff, var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s, width .3s var(--ease), height .3s var(--ease);
}
.mail-ico:hover { width: 74px; height: 74px; transform: scale(1.04); box-shadow: inset 0 2px 0 #fff, var(--shadow); }
.mail-ico svg { width: 32px; height: 32px; }
.contact-text { flex: 1; min-width: 200px; }
.contact-text h3 { font-size: 1.4rem; color: var(--blue-ink); font-weight: 700; }
.contact-text p { margin: .3rem 0 0; font-size: .95rem; color: var(--text-soft); }
.contact-actions { display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; }
#dmBtn { padding-inline: 2rem; }

.back-top-wrap { display: flex; justify-content: center; padding: 1rem 0 3rem; }
.back-top { display: inline-flex; align-items: center; gap: .5rem; padding: .6rem 1.4rem; border-radius: 999px; font-weight: 500; font-size: .95rem; transition: transform .3s var(--ease); }
.back-top:hover { transform: translateY(-3px); }
.back-top svg { width: 18px; height: 18px; }

/* ---------- lightbox & toast ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 100; background: rgba(10,15,30,.85); backdrop-filter: blur(8px);
  display: grid; place-items: center; padding: 2rem; opacity: 0; pointer-events: none; transition: opacity .35s;
}
.lightbox.open { opacity: 1; pointer-events: auto; }
.lightbox img { max-height: 80vh; max-width: 90vw; border-radius: 16px; box-shadow: var(--shadow-lg); transform: scale(.92); transition: transform .4s var(--ease); }
.lightbox.open img { transform: none; }
.lightbox p { position: absolute; bottom: 2rem; color: #fff; }
.lightbox-close { position: absolute; top: 1.2rem; right: 1.6rem; color: #fff; font-size: 2.4rem; line-height: 1; }

.toast {
  position: fixed; bottom: 1.6rem; left: 50%; transform: translate(-50%, 20px);
  background: var(--dark); color: #fff; padding: .7rem 1.3rem; border-radius: 12px;
  font-size: .9rem; box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transition: .35s var(--ease); z-index: 90;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .hero { --tagline-h: 4.4rem; }
  .hero-card { grid-template-columns: 1fr 1fr; padding: 3rem 2rem 2rem; }
  .hero-photo { display: none; }
  .tools-grid { grid-template-columns: 1fr; }
  .tool-grid { grid-template-columns: repeat(5, 1fr); }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .award { flex-basis: calc(33.333% - .95rem); }
  /* "+18 Herramientas" (and the other two stats) get clipped between
     roughly 760-1024px if left as 3 equal columns — one column per row
     gives the longer Spanish labels all the width they need */
  .stats { grid-template-columns: 1fr; padding: 1rem 1.2rem; }
  .stat + .stat::before { display: none; }
}
@media (max-width: 760px) {
  .nav { padding-right: .6rem; }
  .nav-toggle { display: flex; }
  /* the desktop inline list hides completely; the separate drawer list
     (outside <nav>'s backdrop-filter, see the HTML comment by it) takes
     over, sliding in from the right over the page. Animated via width +
     horizontal padding (not transform) and pinned flush to right:0 at
     every step, so its box never extends past the right edge of the
     viewport — a transform-based slide leaves the pre-transform box
     poking out past the edge, which some engines still count toward
     the page's scrollable width even though it's invisible */
  #navLinks { display: none; }
  .nav-links.nav-links--drawer {
    display: flex;
    position: fixed; top: 0; right: 0; bottom: 0; z-index: 60;
    width: 0; margin: 0; overflow: hidden;
    flex-direction: column; align-items: stretch; gap: .3rem;
    padding: 6.5rem 0 2rem;
    background: var(--surface-glass); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    border-radius: 0; box-shadow: var(--shadow-lg);
    visibility: hidden;
    transition: width .4s var(--ease), padding-inline .4s var(--ease), visibility 0s linear .4s;
  }
  .nav-links.nav-links--drawer.open {
    width: min(280px, 78vw); padding-inline: 1.4rem; visibility: visible;
    border-left: 1px solid var(--border);
    transition: width .4s var(--ease), padding-inline .4s var(--ease);
  }
  .nav-links.nav-links--drawer a { display: block; white-space: nowrap; }
  .nav-backdrop {
    position: fixed; inset: 0; z-index: 55;
    background: rgba(10, 15, 30, .45); backdrop-filter: blur(2px);
    opacity: 0; pointer-events: none; transition: opacity .35s;
  }
  .nav-backdrop.open { opacity: 1; pointer-events: auto; }
  .hero { --tagline-h: 3.6rem; }
  .hero-tagline strong { font-size: 1.35rem; }
  .hero-card { grid-template-columns: 1fr; gap: 2rem; padding: 2.4rem 1.4rem 1.6rem; overflow: hidden; }
  .hero-right { align-items: center; }
  .quote-card { grid-template-columns: 1fr; padding: 1.4rem; }
  .quote-mark { line-height: .9; }
  .education { grid-template-columns: 1fr; gap: .6rem; }
  .edu + .edu { border-left: 0; border-top: 1px solid rgba(120,135,170,.35); padding-top: 1rem; }
  .tool-grid { grid-template-columns: repeat(3, 1fr); }
  .project-grid { grid-template-columns: 1fr 1fr; gap: .9rem; }
  .award { flex-basis: calc(50% - .45rem); }
  .award-track { gap: .9rem; }
  .award-arrow { width: 38px; height: 38px; }
  .award-arrow svg { width: 16px; height: 16px; }
  .contact-card { flex-direction: column; text-align: center; }
  .contact-actions { justify-content: center; }
  .timeline { padding-left: 4rem; }
  .tl-marker { left: -4rem; width: 52px; }
  .tl-logo { width: 52px; height: 52px; padding: 9px; }
  .tl-head { flex-direction: column; gap: .4rem; }
  .tl-dots { display: none; }
}
@media (max-width: 460px) {
  .project-grid { grid-template-columns: 1fr; }
  .flip-scene { width: 100%; max-width: 260px; }
  /* one award card at a time, centered in the screen (equal peek of the
     next/previous card on both sides) instead of snapped to the left edge */
  .award { flex-basis: 78%; scroll-snap-align: center; }
  .award-track { padding-inline: 11%; }
}

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

/* =========================================================
   SCROLL REVEAL
   fill-mode is "backwards" on purpose: once the animation ends the
   element goes back to its own styles, so :hover transforms still work.
   ========================================================= */
[data-reveal] { opacity: 0; }
[data-reveal].in-view {
  opacity: 1;
  animation: reveal-up .7s var(--ease) backwards;
  animation-delay: calc(var(--reveal-i, 0) * .07s);
}
@keyframes reveal-up {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: none; }
}

/* =========================================================
   CLICK RIPPLES
   painted under every section, so the frosted (.glass) panels
   pick them up through their backdrop-filter
   ========================================================= */
#ripples { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
main { position: relative; z-index: 1; }
.ripple {
  position: absolute; width: 220px; height: 220px; margin: -110px 0 0 -110px;
  border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, transparent 52%, var(--tone) 66%, transparent 80%);
  animation: ripple-out 1.6s cubic-bezier(.15, .6, .3, 1) forwards;
}
@keyframes ripple-out {
  from { transform: scale(.04); opacity: .75; }
  to   { transform: scale(5.5); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; }
  #ripples { display: none; }
}