/* Vikash Maddi, portfolio. Dark editorial, one amber accent, Bricolage Grotesque throughout. */

:root {
  --bg: #0b1020;
  --bg-raised: #10172b;
  --bg-sunken: #080c19;
  --ink: #f1eee6;
  --ink-soft: #b9bfcf;
  --muted: #8b93a8;
  --line: #1f2740;
  --line-strong: #2c3654;
  --amber: #ffb224;
  --amber-deep: #e59a0e;
  --span-model: #ffb224;
  --span-tool: #6ea8ff;
  --span-harness: #7fd1b5;
  --span-request: #c9cfe0;
  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;
  --font: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --wrap: 1120px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(255, 178, 36, 0.09), transparent 60%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: text-decoration-color 0.2s ease, color 0.2s ease;
}

a:hover {
  text-decoration-color: var(--amber);
}

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 3px;
}

h1, h2, h3 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

p {
  margin: 0;
}

.wrap {
  width: min(var(--wrap), 100% - 2 * var(--gutter));
  margin-inline: auto;
}

.hidden {
  display: none !important;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--amber);
  color: #1a1200;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-s);
  z-index: 100;
}

.skip:focus {
  top: 1rem;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 16, 32, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

body.scrolled .site-header {
  border-bottom-color: var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
}

.brand {
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 1.75rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.site-nav a:hover {
  color: var(--ink);
}

.menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  font: inherit;
  font-size: 0.9rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
}

/* Hero */

.hero {
  padding-top: clamp(4rem, 10vh, 7rem);
  padding-bottom: 5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6.6vw, 5.4rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1;
  font-variation-settings: "opsz" 96;
  max-width: 17ch;
}

.hero-title .line {
  display: block;
}

.hero-lead {
  margin-top: 2.5rem;
  max-width: 58ch;
  color: var(--ink-soft);
  font-size: 1.15rem;
  line-height: 1.55;
}

.hero-lead a {
  color: var(--ink);
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  margin-top: 1.4rem;
  font-size: 1rem;
}

/* Trace */

.trace {
  margin: 4.5rem 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, rgba(16, 23, 43, 0.9), rgba(11, 16, 32, 0.6));
}

.trace-head,
.trace-foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.25rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.trace-head {
  border-bottom: 1px solid var(--line);
}

.trace-foot {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

.trace-total {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.trace-body {
  position: relative;
  padding: 1.1rem 1.25rem 0.9rem;
  display: grid;
  gap: 0.45rem;
}

.trace-axis {
  position: relative;
  height: 1.1rem;
  margin-left: var(--label-w);
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
}

.trace-axis span {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
}

.trace-axis span:first-child {
  transform: none;
}

.trace-axis span:last-child {
  transform: translateX(-100%);
}

.trace-row {
  display: grid;
  grid-template-columns: var(--label-w) 1fr;
  align-items: center;
  gap: 0;
  min-height: 1.5rem;
}

.trace-row.is-request {
  margin-bottom: 0.25rem;
}

.trace-name {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--ink-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: 0.75rem;
}

.trace-row.is-request .trace-name {
  color: var(--ink);
}

.trace-lane {
  position: relative;
  height: 1.05rem;
  background-image: linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: calc(100% / 8) 100%;
}

.trace-span {
  position: absolute;
  top: 0;
  height: 100%;
  left: var(--start);
  width: var(--dur);
  border-radius: 3px;
  background: var(--color);
  transform-origin: left center;
  transform: scaleX(0);
  opacity: 0.92;
  cursor: default;
}

.trace.is-live .trace-span {
  transform: scaleX(1);
  transition: transform var(--anim-dur) cubic-bezier(0.2, 0.9, 0.2, 1) var(--anim-delay);
}

.trace-span:hover,
.trace-span:focus-visible {
  opacity: 1;
  filter: brightness(1.15);
}

.trace-span .tip {
  position: absolute;
  bottom: calc(100% + 0.5rem);
  left: 0;
  z-index: 60;
  background: var(--ink);
  color: #0b1020;
  font-family: var(--font);
  font-size: 0.8rem;
  line-height: 1.35;
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-s);
  width: max-content;
  max-width: min(18rem, 70vw);
  opacity: 0;
  pointer-events: none;
  transform: translateY(4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.trace-span .tip strong {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  margin-bottom: 0.15rem;
}

.trace-span.align-right .tip {
  left: auto;
  right: 0;
}

.trace-span:hover .tip,
.trace-span:focus-visible .tip {
  opacity: 1;
  transform: translateY(0);
}

/* Sections */

.section {
  padding: 5.5rem 0;
  border-top: 1px solid var(--line);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 1.5rem 3rem;
  align-items: end;
  margin-bottom: 3rem;
}

.section-head h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  letter-spacing: -0.03em;
  font-variation-settings: "opsz" 48;
}

.section-head p {
  color: var(--muted);
  max-width: 48ch;
}

/* Ledger of work */

.ledger {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.ledger-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr) minmax(0, 0.9fr);
  gap: 1rem 3rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
}

.ledger-row h3 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.ledger-row > p:not(.figure) {
  color: var(--ink-soft);
  max-width: 62ch;
}

.figure {
  justify-self: end;
  text-align: right;
}

.figure strong {
  display: block;
  font-size: clamp(2rem, 3.6vw, 2.9rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  font-variation-settings: "opsz" 96;
}

.figure span {
  display: block;
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 16ch;
  margin-left: auto;
}

.before {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2.9fr);
  gap: 1rem 3rem;
}

.before h3 {
  font-size: 1.05rem;
  color: var(--muted);
  font-weight: 500;
}

.before ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
  color: var(--ink-soft);
  max-width: 68ch;
}

.before li span {
  color: var(--ink);
  font-weight: 500;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn:hover {
  border-color: var(--ink-soft);
}

.btn.primary {
  background: var(--amber);
  border-color: var(--amber);
  color: #1a1200;
}

.btn.primary:hover {
  background: var(--amber-deep);
  border-color: var(--amber-deep);
}

.btn:disabled {
  opacity: 0.6;
  cursor: progress;
}

/* Project deck */

.deck {
  --deck-w: 80%;
  --deck-peek: 21%;
  position: relative;
}

.deck-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.deck-tab {
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.deck-tab:hover {
  color: var(--ink);
  border-color: var(--ink-soft);
}

.deck-tab.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
}

.deck-stage {
  position: relative;
}

.deck-track {
  display: grid;
  touch-action: pan-y;
  user-select: none;
  overflow-x: clip;
  padding-bottom: 3rem;
  margin-bottom: -3rem;
}

.deck-card {
  position: relative;
  grid-area: 1 / 1;
  align-self: start;
  justify-self: center;
  width: var(--deck-w);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 2.5rem;
  align-items: center;
  padding: 2.6rem;
  background: var(--bg-raised);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-l);
  transform: translateX(calc(var(--offset) * var(--deck-peek))) scale(calc(1 - 0.09 * var(--abs)));
  z-index: calc(10 - var(--abs));
  opacity: calc(1 - 0.15 * var(--abs));
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.5s ease, box-shadow 0.5s ease;
  will-change: transform;
}

.deck-card.is-active {
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 178, 36, 0.12);
}

.deck-card:not(.is-active) {
  cursor: pointer;
  height: var(--deck-h, auto);
  overflow: hidden;
}

.deck-card:not(.is-active) > * {
  pointer-events: none;
}

.deck-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(11, 16, 32, 0.55), rgba(11, 16, 32, 0.92));
  opacity: 1;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.deck-card.is-active::after {
  opacity: 0;
}

.deck-card.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.card-label {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.card-copy h3 {
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  letter-spacing: -0.03em;
  font-variation-settings: "opsz" 48;
}

.card-tagline {
  margin-top: 0.4rem;
  font-size: 1.15rem;
  color: var(--ink-soft);
}

.card-copy > p:not(.card-label):not(.card-tagline):not(.card-stack) {
  margin-top: 1.1rem;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.card-stack {
  margin-top: 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.6rem;
}

/* Mockups inside cards */

.frame {
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-m);
  overflow: hidden;
  box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.8);
}

.frame-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 0.9rem;
  border-bottom: 1px solid var(--line);
  background: var(--bg-sunken);
}

.frame-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line-strong);
}

.frame-bar em {
  margin-left: 0.5rem;
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.7rem;
  color: var(--muted);
}

.app {
  padding: 1.3rem 1.4rem 1.4rem;
}

.app-title {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.app-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.chip {
  flex: 1;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.5rem 0.65rem;
  display: flex;
  flex-direction: column;
}

.chip strong {
  font-size: 0.9rem;
}

.chip span {
  font-size: 0.7rem;
  color: var(--muted);
}

.task {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.task i {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid var(--line-strong);
  flex: none;
}

.task.done {
  color: var(--muted);
  text-decoration: line-through;
}

.task.done i {
  background: var(--amber);
  border-color: var(--amber);
}

.term {
  padding: 1.2rem 1.3rem 1.3rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  line-height: 1.75;
  color: var(--ink);
}

.term p {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.term b {
  color: var(--span-tool);
  font-weight: 500;
  margin-right: 0.5rem;
}

.term .dim {
  color: var(--muted);
}

.statusline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.9rem;
  margin-top: 0.9rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-s);
  border: 1px solid var(--line);
  background: var(--bg-raised);
  font-size: 0.7rem;
  color: var(--ink-soft);
}

.statusline .ok {
  color: var(--span-harness);
}

.statusline .warm {
  color: var(--amber);
}

.deck-arrow {
  position: absolute;
  top: 50%;
  z-index: 20;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  font-size: 1.05rem;
  cursor: pointer;
  transform: translateY(-50%);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.deck-arrow:hover {
  background: var(--amber);
  border-color: var(--amber);
  color: #1a1200;
}

.deck-arrow.prev {
  left: 0;
}

.deck-arrow.next {
  right: 0;
}

.deck-hint {
  margin-top: 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

.deck-hint span {
  color: var(--ink);
}

/* Toolkit */

.kit {
  margin: 0;
  border-top: 1px solid var(--line);
}

.kit div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2.9fr);
  gap: 0.5rem 3rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
}

.kit dt {
  font-weight: 600;
}

.kit dd {
  margin: 0;
  color: var(--ink-soft);
  max-width: 68ch;
}

/* Contact */

.contact h2 {
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  letter-spacing: -0.035em;
  max-width: 20ch;
  font-variation-settings: "opsz" 72;
}

.contact-lead {
  margin-top: 1.5rem;
  color: var(--ink-soft);
  max-width: 52ch;
  font-size: 1.1rem;
}

.contact-email {
  display: inline-block;
  margin-top: 1.75rem;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  text-decoration-color: var(--amber);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.15em;
}

.verify-block {
  margin-top: 3.5rem;
  padding: 1.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--bg-raised);
  max-width: 40rem;
}

.verification-note {
  color: var(--ink-soft);
  margin-bottom: 1.1rem;
}

.verify-form label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.field-row {
  display: flex;
  gap: 0.6rem;
}

.field-row input {
  flex: 1;
  min-width: 0;
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  font-size: 0.95rem;
}

.field-row input::placeholder {
  color: var(--muted);
}

.field-row input:focus {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
  border-color: var(--amber);
}

.code-form {
  margin-top: 1rem;
}

.verify-message {
  margin-top: 0.9rem;
  font-size: 0.9rem;
  color: var(--muted);
  min-height: 1.4em;
}

.verify-message.error {
  color: #ff8a80;
}

.verify-message.success {
  color: var(--span-harness);
}

.phone-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-family: var(--mono);
  font-size: 1.15rem;
  color: var(--amber);
}

/* Footer */

.site-footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--ink-soft);
}

.footer-links a:hover {
  color: var(--ink);
}

/* Responsive */

@media (max-width: 900px) {
  .section-head,
  .ledger-row,
  .before,
  .kit div {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .figure {
    justify-self: start;
    text-align: left;
    margin-top: 0.4rem;
  }

  .figure span {
    margin-left: 0;
  }

  .deck-card {
    grid-template-columns: 1fr;
    padding: 2rem 1.6rem;
    gap: 2rem;
  }

  .deck {
    --deck-w: 100%;
    --deck-peek: 100%;
  }

  .deck-arrow {
    top: auto;
    bottom: -4.4rem;
    transform: none;
    width: 42px;
    height: 42px;
  }

  .deck-arrow.prev {
    left: calc(50% - 3.4rem);
  }

  .deck-arrow.next {
    right: calc(50% - 3.4rem);
  }

  .deck-hint {
    margin-top: 5.4rem;
  }

  .trace-body {
    --label-w: 8.5rem;
  }
}

@media (max-width: 640px) {
  .menu-btn {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    right: var(--gutter);
    top: calc(100% + 0.5rem);
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.75rem 1rem;
    background: var(--bg-raised);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-m);
    box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.8);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 0.5rem 0.25rem;
  }

  .hero-lead {
    font-size: 1.05rem;
  }

  .field-row {
    flex-direction: column;
  }

  .trace-head,
  .trace-foot {
    flex-direction: column;
    gap: 0.25rem;
  }

  .trace-body {
    --label-w: 6.5rem;
  }

  .trace-name {
    font-size: 0.68rem;
  }

  .verify-block {
    padding: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .trace-span,
  .trace.is-live .trace-span,
  .deck-card,
  .deck-card::after,
  .btn,
  .deck-tab,
  .deck-arrow,
  a {
    transition: none;
  }

  .trace-span {
    transform: scaleX(1);
  }
}