/* =========================================================
   Sai Suprabath Chadalavada — Portfolio
   Aesthetic: warm "engineering playground" — paper texture,
   ink type, coral + teal pops, springy motion.
   ========================================================= */

:root {
  --paper: #f6efe1;
  --paper-2: #efe6d3;
  --ink: #1c1a16;
  --ink-soft: #4a4640;
  --coral: #ff5a36;
  --teal: #1f8a70;
  --yellow: #ffcf3f;
  --line: #d9cdb5;
  --card: #fffaf0;
  --shadow: 6px 6px 0 var(--ink);
  --radius: 18px;
  --font-display: "Bricolage Grotesque", sans-serif;
  --font-body: "Hanken Grotesk", sans-serif;
  --font-mono: "Space Mono", monospace;
  --maxw: 1120px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

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

/* ---- subtle blueprint grid + grain ---- */
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.25;
  pointer-events: none;
  z-index: 0;
}
.grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  opacity: 0.05; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- floating blobs ---- */
.blobs { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.blob {
  position: absolute; border-radius: 50%; filter: blur(40px); opacity: 0.4;
  animation: float 16s ease-in-out infinite;
}
.blob--coral  { width: 340px; height: 340px; background: var(--coral); top: -80px; right: -60px; }
.blob--teal   { width: 300px; height: 300px; background: var(--teal); bottom: 10%; left: -90px; animation-delay: -5s; }
.blob--yellow { width: 240px; height: 240px; background: var(--yellow); top: 45%; right: 5%; animation-delay: -9s; }

@keyframes float {
  0%, 100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(30px,-40px) scale(1.08); }
  66% { transform: translate(-20px,30px) scale(0.95); }
}

main, .nav, .footer { position: relative; z-index: 2; }

/* ============ NAV ============ */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px clamp(20px, 5vw, 60px);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--ink);
}
.nav__brand {
  font-family: var(--font-display); font-weight: 800; font-size: 1.4rem;
  text-decoration: none; color: var(--ink); letter-spacing: -0.02em;
  display: flex; align-items: center; gap: 8px;
}
.nav__brand-x { color: var(--coral); }
.nav__dot { width: 12px; height: 12px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 3px color-mix(in srgb, var(--coral) 30%, transparent); }
.nav__links { display: flex; align-items: center; gap: clamp(14px, 2vw, 28px); }
.nav__links a {
  text-decoration: none; color: var(--ink-soft); font-weight: 600; font-size: 0.95rem;
  position: relative; transition: color 0.2s;
}
.nav__links a:not(.nav__cta)::after {
  content: ""; position: absolute; left: 0; bottom: -4px; width: 0; height: 2px;
  background: var(--coral); transition: width 0.25s;
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:not(.nav__cta):hover::after { width: 100%; }
.nav__cta {
  background: var(--ink); color: var(--paper) !important; padding: 9px 18px;
  border-radius: 999px; transition: transform 0.2s, background 0.2s;
}
.nav__cta:hover { transform: translateY(-2px) rotate(-2deg); background: var(--coral); }

.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav__toggle span { width: 26px; height: 3px; background: var(--ink); border-radius: 2px; transition: 0.3s; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============ shared ============ */
section { padding: clamp(70px, 9vw, 130px) clamp(20px, 5vw, 60px); max-width: var(--maxw); margin: 0 auto; }

.section-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.04; letter-spacing: -0.03em;
  margin-bottom: 44px;
}
.section-eyebrow {
  font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.18em;
  font-size: 0.78rem; color: var(--ink-soft); margin-bottom: 36px;
}
.hl { position: relative; white-space: nowrap; }
.hl--coral { color: var(--coral); }
.hl--teal { color: var(--teal); }
.hl::after {
  content: ""; position: absolute; left: -2px; right: -2px; bottom: 4px; height: 30%;
  background: currentColor; opacity: 0.16; border-radius: 3px; z-index: -1;
}

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body); font-weight: 700; font-size: 1rem;
  padding: 14px 26px; border-radius: 999px; text-decoration: none; cursor: pointer;
  border: 2px solid var(--ink); transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.2s;
}
.btn--primary { background: var(--coral); color: #fff; box-shadow: var(--shadow); }
.btn--primary:hover { transform: translate(-2px,-2px); box-shadow: 9px 9px 0 var(--ink); }
.btn--primary:active { transform: translate(2px,2px); box-shadow: 2px 2px 0 var(--ink); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); transform: translateY(-2px); }
.btn--full { width: 100%; }

/* reveal animation */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.6s ease, transform 0.6s cubic-bezier(.2,.7,.3,1); }
.reveal.is-in { opacity: 1; transform: none; }

/* ============ HERO ============ */
.hero { padding-top: clamp(60px, 8vw, 100px); }
.hero__tag {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 0.8rem; font-weight: 700;
  background: var(--card); border: 2px solid var(--ink); border-radius: 999px;
  padding: 7px 16px; box-shadow: 3px 3px 0 var(--ink); margin-bottom: 28px;
}
.ping { width: 9px; height: 9px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 0 var(--teal); animation: ping 1.8s infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 color-mix(in srgb,var(--teal) 60%,transparent); } 70% { box-shadow: 0 0 0 9px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }

.hero__title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.4rem, 7vw, 5rem); line-height: 1.02; letter-spacing: -0.04em;
  margin-bottom: 28px;
}
.hero__lede { font-size: clamp(1.05rem, 2vw, 1.3rem); max-width: 640px; color: var(--ink-soft); margin-bottom: 36px; }
.hero__lede strong { color: var(--ink); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 34px; }
.hero__socials { display: flex; flex-wrap: wrap; gap: 22px; }
.hero__socials a {
  font-family: var(--font-mono); font-weight: 700; font-size: 0.9rem; text-decoration: none;
  color: var(--ink); border-bottom: 2px solid transparent; transition: 0.2s; padding-bottom: 2px;
}
.hero__socials a:hover { color: var(--coral); border-color: var(--coral); }

/* ============ STATS ============ */
.stats__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.stat {
  background: var(--card); border: 2px solid var(--ink); border-radius: var(--radius);
  padding: 26px 24px; box-shadow: 4px 4px 0 var(--ink);
  transition: transform 0.2s, box-shadow 0.2s;
}
.stat:hover { transform: translate(-3px,-3px) rotate(-1deg); box-shadow: 8px 8px 0 var(--coral); }
.stat__num {
  display: block; font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.2rem, 4vw, 3rem); line-height: 1; color: var(--coral); letter-spacing: -0.03em;
}
.stat:nth-child(even) .stat__num { color: var(--teal); }
.stat__label { display: block; margin-top: 12px; font-size: 0.95rem; color: var(--ink-soft); }

/* ============ EXPERIENCE / TIMELINE ============ */
.timeline { position: relative; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 3px; background: var(--ink); border-radius: 2px; }
.tl-item { position: relative; margin-bottom: 40px; }
.tl-item__dot { position: absolute; left: -34px; top: 6px; width: 17px; height: 17px; border-radius: 50%; background: var(--coral); border: 3px solid var(--ink); }
.tl-item:nth-child(even) .tl-item__dot { background: var(--teal); }
.tl-item__meta { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; flex-wrap: wrap; }
.tl-item__date { font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink-soft); }
.tl-item__tag { font-family: var(--font-mono); font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; padding: 3px 9px; border-radius: 999px; border: 2px solid var(--ink); }
.tag--work { background: var(--yellow); }
.tag--edu { background: color-mix(in srgb, var(--teal) 22%, var(--card)); }
.tl-item h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.35rem; letter-spacing: -0.02em; }
.tl-item__org { color: var(--coral); font-weight: 600; margin-bottom: 10px; font-size: 0.96rem; }
.tl-item:nth-child(even) .tl-item__org { color: var(--teal); }
.tl-item ul { list-style: none; display: grid; gap: 8px; }
.tl-item li { position: relative; padding-left: 22px; color: var(--ink-soft); font-size: 0.98rem; }
.tl-item li::before { content: "▸"; position: absolute; left: 0; color: var(--coral); font-weight: 700; }
.tl-item li strong { color: var(--ink); }

/* ============ PROJECTS ============ */
.proj-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.proj {
  background: var(--card); border: 2px solid var(--ink); border-radius: var(--radius);
  padding: 26px; box-shadow: 5px 5px 0 var(--ink); display: flex; flex-direction: column; gap: 12px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  will-change: transform;
}
.proj:hover { box-shadow: 10px 10px 0 var(--teal); }
.proj__top { display: flex; justify-content: space-between; align-items: center; }
.proj__kicker { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-soft); }
.proj__arrow { font-size: 1.4rem; font-weight: 700; transition: transform 0.25s; }
.proj:hover .proj__arrow { transform: translate(4px,-4px) rotate(8deg); color: var(--coral); }
.proj h3 { font-family: var(--font-display); font-weight: 800; font-size: 1.5rem; letter-spacing: -0.02em; }
.proj p { color: var(--ink-soft); font-size: 0.95rem; }
.proj p strong { color: var(--ink); }
.proj__tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; }
.proj__tags span { font-family: var(--font-mono); font-size: 0.72rem; padding: 4px 10px; border: 1.5px solid var(--line); border-radius: 999px; background: var(--paper); }

/* ============ DASHBOARDS ============ */
.dash__head { margin-bottom: 40px; }
.dash__sub { color: var(--ink-soft); max-width: 620px; }
.dash__sub em { color: var(--coral); font-style: italic; }
.dash-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.dash-card {
  background: #14110d; color: #f4ecd9; border: 2px solid var(--ink); border-radius: var(--radius);
  overflow: hidden; box-shadow: 5px 5px 0 var(--ink); transition: transform 0.2s, box-shadow 0.2s;
}
.dash-card:hover { transform: translateY(-4px); box-shadow: 9px 9px 0 var(--coral); }
.dash-card__bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; background: #0c0a07; font-family: var(--font-mono); font-size: 0.78rem;
  border-bottom: 1px solid #2a261d;
}
.dash-card__live { color: var(--teal); font-size: 0.7rem; }
.dash-card__body { padding: 22px 18px; display: flex; align-items: center; justify-content: space-around; gap: 14px; min-height: 150px; }
.dash-card__body--col { flex-direction: column; align-items: stretch; }

/* gauge */
.gauge { position: relative; width: 120px; text-align: center; }
.gauge svg { width: 100%; height: auto; }
.gauge__track { fill: none; stroke: #2c2820; stroke-width: 9; stroke-linecap: round; }
.gauge__fill { fill: none; stroke: var(--coral); stroke-width: 9; stroke-linecap: round; stroke-dasharray: 157; stroke-dashoffset: 157; transition: stroke-dashoffset 1.4s ease; }
.gauge__num { display: block; font-family: var(--font-display); font-weight: 800; font-size: 1.6rem; margin-top: -10px; }
.gauge__cap { font-family: var(--font-mono); font-size: 0.66rem; color: #b3aa92; }

/* mini bars */
.bars { display: flex; align-items: flex-end; gap: 6px; height: 90px; }
.bars span { width: 12px; background: var(--teal); border-radius: 3px 3px 0 0; height: 0; transition: height 1s ease; }
.bars span:nth-child(odd) { background: var(--yellow); }
.bars.is-in span { height: var(--h); }

/* kpi rows */
.kpi-row { display: flex; justify-content: space-around; gap: 10px; }
.kpi { text-align: center; }
.kpi b { display: block; font-family: var(--font-display); font-weight: 800; font-size: 1.5rem; color: var(--yellow); }
.kpi small { font-family: var(--font-mono); font-size: 0.66rem; color: #b3aa92; }

/* line chart */
.line-chart svg { width: 100%; height: 70px; }
.line-chart__line { fill: none; stroke: var(--teal); stroke-width: 3; stroke-linejoin: round; stroke-linecap: round; stroke-dasharray: 320; stroke-dashoffset: 320; transition: stroke-dashoffset 1.6s ease; }
.line-chart.is-in .line-chart__line { stroke-dashoffset: 0; }

/* donut */
.donut { position: relative; width: 80px; margin: 0 auto; }
.donut svg { transform: rotate(-90deg); width: 100%; }
.donut__track { fill: none; stroke: #2c2820; stroke-width: 8; }
.donut__fill { fill: none; stroke: var(--coral); stroke-width: 8; stroke-linecap: round; stroke-dasharray: 201; stroke-dashoffset: 201; transition: stroke-dashoffset 1.4s ease; }
.donut__num { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; }

/* ============ SKILLS ============ */
.skills__cols { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.skill-col h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; margin-bottom: 14px; }
.skill-col h3 span { font-weight: 400; color: var(--ink-soft); font-size: 0.85rem; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span {
  font-size: 0.85rem; font-weight: 600; padding: 7px 14px; border-radius: 999px;
  background: var(--card); border: 2px solid var(--ink); transition: transform 0.15s, background 0.15s, color 0.15s;
  cursor: default;
}
.chips span:hover { transform: translateY(-3px) rotate(-2deg); background: var(--ink); color: var(--paper); }

.certs {
  margin-top: 40px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  padding: 22px; background: var(--card); border: 2px dashed var(--ink); border-radius: var(--radius);
}
.certs__label { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.72rem; color: var(--ink-soft); margin-right: 6px; }
.certs span:not(.certs__label) { font-size: 0.82rem; font-weight: 600; padding: 5px 12px; background: var(--paper-2); border-radius: 999px; }
.certs__prog { background: var(--yellow) !important; border: 1.5px solid var(--ink); }

/* ============ CONTACT ============ */
.contact { max-width: var(--maxw); }
.contact__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.contact__copy p { color: var(--ink-soft); margin-bottom: 18px; max-width: 420px; }
.contact__email { display: inline-block; font-family: var(--font-mono); font-weight: 700; color: var(--ink); text-decoration: none; border-bottom: 3px solid var(--coral); padding-bottom: 2px; word-break: break-all; }
.contact__email:hover { color: var(--coral); }
.contact__loc { margin-top: 18px; font-size: 0.9rem; }

.contact__form { background: var(--card); border: 2px solid var(--ink); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 700; font-size: 0.88rem; margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; font-family: var(--font-body); font-size: 0.95rem; padding: 12px 14px;
  background: var(--paper); border: 2px solid var(--ink); border-radius: 12px; color: var(--ink); resize: vertical;
  transition: box-shadow 0.15s;
}
.field input:focus, .field textarea:focus { outline: none; box-shadow: 3px 3px 0 var(--coral); }
.contact__card p { color: var(--ink-soft); margin-bottom: 18px; }
.contact__card-title { font-weight: 700; color: var(--ink) !important; margin-bottom: 8px !important; }
.contact__alt { margin-top: 12px; }
.form-status { margin-top: 12px; font-size: 0.88rem; font-weight: 600; min-height: 20px; }
.form-status.ok { color: var(--teal); }
.form-status.err { color: var(--coral); }

/* ============ FOOTER ============ */
.footer {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between;
  padding: 30px clamp(20px, 5vw, 60px); border-top: 2px solid var(--ink);
  font-size: 0.85rem; max-width: var(--maxw); margin: 0 auto;
}
.footer__links { display: flex; gap: 18px; }
.footer__links a { color: var(--ink); text-decoration: none; font-weight: 600; }
.footer__links a:hover { color: var(--coral); }
.footer__made { font-family: var(--font-mono); color: var(--ink-soft); font-size: 0.78rem; }

/* ============ READING SHELF ============ */
.reading { padding-top: clamp(40px, 6vw, 70px); padding-bottom: clamp(40px, 6vw, 70px); }
.reading__head { margin-bottom: 24px; }
.reading__sub { color: var(--ink-soft); max-width: 620px; }
#readingCount { font-family: var(--font-mono); font-size: 0.78rem; color: var(--coral); }
.shelf {
  display: flex; gap: 16px; overflow-x: auto; padding: 6px 2px 18px; scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.shelf::-webkit-scrollbar { height: 8px; }
.shelf::-webkit-scrollbar-thumb { background: var(--ink); border-radius: 999px; }
.shelf::-webkit-scrollbar-track { background: var(--line); border-radius: 999px; }
.shelf__empty { color: var(--ink-soft); font-style: italic; }
.shelf__empty code { font-family: var(--font-mono); background: var(--card); padding: 2px 6px; border-radius: 6px; }

.read-card {
  flex: 0 0 270px; scroll-snap-align: start;
  background: var(--card); border: 2px solid var(--ink); border-radius: var(--radius);
  padding: 18px; box-shadow: 4px 4px 0 var(--ink);
  display: flex; flex-direction: column; gap: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.read-card:hover { transform: translateY(-4px) rotate(-1deg); box-shadow: 8px 8px 0 var(--teal); }
.read-card__top { display: flex; align-items: center; justify-content: space-between; }
.read-card__type {
  font-family: var(--font-mono); font-size: 0.66rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; padding: 3px 9px; border-radius: 999px; border: 2px solid var(--ink);
}
.read-card__type--book { background: var(--yellow); }
.read-card__type--article { background: color-mix(in srgb, var(--teal) 22%, var(--card)); }
.read-card__date { font-family: var(--font-mono); font-size: 0.7rem; color: var(--ink-soft); }
.read-card__title { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; line-height: 1.15; letter-spacing: -0.01em; }
.read-card__author { font-size: 0.82rem; color: var(--coral); font-weight: 600; }
.read-card__note { font-size: 0.88rem; color: var(--ink-soft); }
.read-card__link { margin-top: auto; font-family: var(--font-mono); font-size: 0.78rem; font-weight: 700; color: var(--ink); text-decoration: none; border-bottom: 2px solid var(--coral); align-self: flex-start; padding-bottom: 1px; }
.read-card__link:hover { color: var(--coral); }

/* ============ FLAGSHIP DASHBOARD ============ */
.dash__minihead { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.74rem; color: var(--ink-soft); margin: 40px 0 18px; }
.flagship {
  display: block; background: #14110d; color: #f4ecd9; padding: 0; margin-bottom: 8px;
  border-radius: var(--radius); overflow: hidden;
}
.flagship:hover { transform: none; box-shadow: 9px 9px 0 var(--coral); }
.flagship__bar {
  display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; justify-content: space-between;
  padding: 16px 20px; background: #0c0a07; border-bottom: 1px solid #2a261d;
}
.flagship__title { display: flex; flex-direction: column; }
.flagship__brand { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--coral); }
.flagship__name { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; }
.flagship__meta { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.flagship__client { font-family: var(--font-mono); font-size: 0.74rem; color: #b3aa92; }
.flagship__safe { font-family: var(--font-mono); font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.1em; color: #0c0a07; background: var(--yellow); padding: 2px 8px; border-radius: 999px; }

.flagship__kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: #2a261d; }
.fk { background: #14110d; padding: 18px 16px; text-align: center; }
.fk b { display: block; font-family: var(--font-display); font-weight: 800; font-size: clamp(1.6rem, 3vw, 2.1rem); color: var(--teal); line-height: 1; }
.fk:nth-child(even) b { color: var(--coral); }
.fk small { font-family: var(--font-mono); font-size: 0.68rem; color: #b3aa92; display: block; margin-top: 7px; }

.flagship__panels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: #2a261d; }
.fpanel { background: #14110d; padding: 20px 18px; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.fpanel__cap { font-family: var(--font-mono); font-size: 0.68rem; color: #b3aa92; text-align: center; }
.fpanel__note { font-family: var(--font-mono); font-size: 0.66rem; color: var(--teal); }
.fpanel .gauge__num, .fpanel .gauge__cap { color: #f4ecd9; }
.fpanel .gauge__cap { color: #b3aa92; }
.fpanel .line-chart { width: 100%; }
.fpanel .line-chart__line { stroke: var(--coral); }
.fpanel .bars { height: 80px; }

/* RCA 7-step ladder */
.ladder { padding: 20px; border-top: 1px solid #2a261d; }
.ladder__cap { font-family: var(--font-mono); font-size: 0.7rem; color: #b3aa92; display: block; margin-bottom: 12px; }
.ladder__steps { display: flex; gap: 8px; flex-wrap: wrap; }
.ladder__steps span {
  flex: 1 1 auto; min-width: 90px; text-align: center; position: relative;
  font-size: 0.8rem; font-weight: 600; padding: 10px 8px; border-radius: 10px;
  background: #221d15; color: #b3aa92; border: 1.5px solid #2a261d;
  opacity: 0; transform: translateY(8px); transition: opacity 0.4s ease, transform 0.4s ease, background 0.4s, color 0.4s;
}
.ladder.is-in .ladder__steps span { opacity: 1; transform: none; }
.ladder.is-in .ladder__steps span.done { background: var(--teal); color: #06140f; border-color: var(--teal); }
.ladder__steps span::before { content: attr(data-step); display: block; font-family: var(--font-mono); font-size: 0.6rem; opacity: 0.7; }

/* ============ RESPONSIVE ============ */
@media (max-width: 880px) {
  .stats__grid, .proj-grid, .dash-grid { grid-template-columns: 1fr 1fr; }
  .flagship__panels { grid-template-columns: 1fr; }
  .flagship__kpis { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav__links {
    position: fixed; inset: 64px 0 auto 0; flex-direction: column; align-items: flex-start;
    gap: 4px; background: var(--paper); border-bottom: 2px solid var(--ink);
    padding: 18px clamp(20px,5vw,60px); transform: translateY(-130%); transition: transform 0.35s ease;
  }
  .nav__links.open { transform: translateY(0); }
  .nav__links a { width: 100%; padding: 10px 0; font-size: 1.05rem; }
  .nav__cta { width: max-content; }
  .nav__toggle { display: flex; }
  .stats__grid, .proj-grid, .dash-grid, .skills__cols, .contact__inner { grid-template-columns: 1fr; }
  .flagship__meta { align-items: flex-start; }
  .read-card { flex-basis: 80vw; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .blob { animation: none; }
  * { scroll-behavior: auto; }
}