/* Manish Pandey portfolio - main stylesheet
   Edit colours in the :root block below. */

/* ==========================================================
   DESIGN TOKENS
   ========================================================== */
:root {
  --sage: #BCC8C2;
  --sage-l: #CAD5CF;
  --lime-p: #C9D297;
  --grey-g: #95A49C;
  --off: #EDEDE9;
  --char: #303231;
  --grey: #64675E;
  --lime: #B9C44C;
  --grey-l: #C8D2CC;
  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --sans: 'Instrument Sans', system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;
  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

*,
*::before,
*::after {
  box-sizing: inherit
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(76px + env(safe-area-inset-top, 0px));
  height: 100%
}

body {
  margin: 0;
  background: var(--sage);
  color: var(--char);
  font: 400 1.05rem/1.65 var(--sans);
  -webkit-font-smoothing: antialiased
}

img,
svg {
  max-width: 100%
}

a {
  color: inherit
}

:focus-visible {
  outline: 3px solid var(--char);
  outline-offset: 3px;
  border-radius: 4px
}

.wrap {
  width: min(1120px, 92%);
  margin-inline: auto
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.1;
  margin: 0;
  letter-spacing: -.01em
}

h2 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  margin-bottom: .6rem
}

h3 {
  font-size: 1.35rem
}

p {
  margin: 0 0 1rem;
  max-width: 62ch
}

section {
  padding: clamp(4rem, 9vw, 7rem) 0
}

.lead {
  color: var(--char);
  opacity: .82;
  font-size: 1.12rem
}

/* ==========================================================
   NAVIGATION
   ========================================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  padding-top: env(safe-area-inset-top, 0px);
  background: rgba(188, 200, 194, .88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--grey-g);
  transition: box-shadow .3s
}

header.scrolled {
  box-shadow: 0 4px 18px rgba(48, 50, 49, .12)
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px
}

.logo {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.3rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: .6rem
}

.logo i {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--char);
  color: var(--lime);
  display: grid;
  place-items: center;
  font: 600 .9rem var(--sans);
  font-style: normal
}

nav ul {
  display: flex;
  gap: 1.8rem;
  list-style: none;
  margin: 0;
  padding: 0
}

nav a {
  text-decoration: none;
  font-weight: 500;
  font-size: .95rem;
  position: relative;
  padding: .3rem 0
}

nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background: var(--char);
  transition: width .25s
}

nav a:hover::after,
nav a.active::after {
  width: 100%
}

.menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--char);
  border-radius: 8px;
  width: 44px;
  height: 44px;
  cursor: pointer;
  color: var(--char)
}

.menu-btn span,
.menu-btn span::before,
.menu-btn span::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--char);
  margin: auto;
  position: relative;
  transition: .25s
}

.menu-btn span::before,
.menu-btn span::after {
  content: "";
  position: absolute;
  left: 0
}

.menu-btn span::before {
  top: -6px
}

.menu-btn span::after {
  top: 6px
}

.menu-btn[aria-expanded=true] span {
  background: transparent
}

.menu-btn[aria-expanded=true] span::before {
  top: 0;
  transform: rotate(45deg)
}

.menu-btn[aria-expanded=true] span::after {
  top: 0;
  transform: rotate(-45deg)
}

/* ==========================================================
   BUTTONS
   ========================================================== */
.btn {
  display: inline-block;
  padding: .85rem 1.5rem;
  border-radius: 999px;
  font: 600 1rem var(--sans);
  text-decoration: none;
  border: 2px solid var(--char);
  cursor: pointer;
  transition: transform .2s, background .2s, color .2s
}

.btn-primary {
  background: var(--lime);
  color: var(--char)
}

.btn-primary:hover {
  background: var(--char);
  color: var(--lime);
  transform: translateY(-2px)
}

.btn-ghost {
  background: transparent;
  color: var(--char)
}

.btn-ghost:hover {
  background: var(--char);
  color: var(--off)
}

/* ==========================================================
   HERO
   ========================================================== */
.hero {
  padding-top: calc(68px + clamp(3rem, 7vw, 6rem));
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 3rem;
  align-items: center
}

.hero h1 {
  font-size: clamp(2.8rem, 6.4vw, 5rem);
  margin-bottom: 1.2rem
}

.hero .role {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: var(--off);
  padding: .4rem 1rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: .95rem;
  margin-bottom: 1.4rem
}

.hero .role b {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 0 var(--lime);
  animation: pulse 2s infinite
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 10px rgba(185, 196, 76, 0)
  }

  100% {
    box-shadow: 0 0 0 0 rgba(185, 196, 76, 0)
  }
}

.cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.8rem
}

.dam-wrap {
  background: var(--sage-l);
  border: 2px solid var(--char);
  border-radius: 28px;
  padding: 1rem;
  box-shadow: 10px 10px 0 var(--char)
}

.dam-wrap svg {
  display: block;
  width: 100%;
  height: auto
}

.dam-caption {
  font-size: .85rem;
  color: var(--char);
  padding: .5rem .4rem 0;
  margin: 0;
  max-width: none
}

/* ==========================================================
   HERO ENTRANCE
   ========================================================== */
.in {
  opacity: 0;
  transform: translateY(24px);
  animation: rise .8s cubic-bezier(.2, .7, .2, 1) forwards
}

.in:nth-child(2) {
  animation-delay: .12s
}

.in:nth-child(3) {
  animation-delay: .24s
}

.in:nth-child(4) {
  animation-delay: .36s
}

.dam-wrap.in {
  animation-delay: .3s
}

@keyframes rise {
  to {
    opacity: 1;
    transform: none
  }
}

/* ==========================================================
   DAM ILLUSTRATION ANIMATION
   ========================================================== */
.wave1 {
  animation: drift 7s linear infinite
}

.wave2 {
  animation: drift 11s linear infinite reverse
}

@keyframes drift {
  from {
    transform: translateX(0)
  }

  to {
    transform: translateX(-60px)
  }
}

.flow {
  stroke-dasharray: 10 12;
  animation: flow 1.1s linear infinite
}

@keyframes flow {
  to {
    stroke-dashoffset: -22
  }
}

.spin {
  transform-origin: 310px 258px;
  animation: spin 3s linear infinite
}

@keyframes spin {
  to {
    transform: rotate(360deg)
  }
}

/* ==========================================================
   ABOUT
   ========================================================== */
#about {
  background: var(--sage-l)
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start
}

.facts {
  display: grid;
  gap: .9rem
}

.fact {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--off);
  border-radius: 16px;
  padding: 1.1rem 1.3rem
}

.fact svg {
  flex: none;
  width: 28px;
  height: 28px;
  margin-top: 2px
}

.fact strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.15rem
}

.fact span {
  color: var(--grey);
  font-size: .95rem
}

/* ==========================================================
   EXPERTISE
   ========================================================== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.4rem;
  margin-top: 2.5rem
}

.card {
  background: var(--lime-p);
  border: 2px solid var(--char);
  border-radius: 20px;
  padding: 1.6rem;
  transition: transform .25s, box-shadow .25s
}

.card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 6px 6px 0 var(--char)
}

.card svg {
  width: 44px;
  height: 44px;
  margin-bottom: 1rem
}

.card p {
  font-size: .98rem;
  margin: .5rem 0 0
}

/* ==========================================================
   PROJECTS
   ========================================================== */
#projects {
  background: var(--sage-l)
}

.filters {
  display: flex;
  gap: .6rem;
  flex-wrap: wrap;
  margin: 1.6rem 0 2rem
}

.chip {
  font: 500 .95rem var(--sans);
  padding: .55rem 1.1rem;
  border-radius: 999px;
  border: 2px solid var(--char);
  background: transparent;
  color: var(--char);
  cursor: pointer;
  transition: .2s
}

.chip:hover {
  background: var(--grey-l)
}

.chip[aria-pressed=true] {
  background: var(--char);
  color: var(--lime)
}

.proj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.4rem
}

.proj {
  background: var(--off);
  border-radius: 20px;
  overflow: hidden;
  border: 2px solid var(--char);
  display: flex;
  flex-direction: column;
  transition: opacity .35s, transform .35s
}

.proj.hide {
  display: none
}

.proj.pop {
  animation: pop .45s ease
}

@keyframes pop {
  from {
    opacity: 0;
    transform: scale(.94)
  }

  to {
    opacity: 1;
    transform: none
  }
}

.thumb {
  height: 150px;
  background: var(--lime-p);
  border-bottom: 2px solid var(--char);
  position: relative;
  overflow: hidden
}

.thumb svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%
}

.proj-body {
  padding: 1.3rem 1.4rem 1.5rem;
  flex: 1
}

.tag {
  display: inline-block;
  background: var(--lime);
  padding: .15rem .7rem;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 600;
  margin-bottom: .7rem
}

.meta {
  color: var(--grey);
  font-size: .92rem;
  margin: .4rem 0 .6rem
}

.proj p {
  font-size: .97rem;
  margin: 0
}

.note {
  margin-top: 1.8rem;
  font-size: .9rem;
  color: var(--char);
  opacity: .8
}

/* ==========================================================
   EXPERIENCE TIMELINE
   ========================================================== */
.timeline {
  margin-top: 2.5rem;
  border-left: 3px solid var(--char);
  padding-left: 2rem;
  display: grid;
  gap: 2rem;
  max-width: 760px
}

.tl {
  position: relative
}

.tl::before {
  content: "";
  position: absolute;
  left: calc(-2rem - 10px);
  top: .45rem;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--lime);
  border: 3px solid var(--char)
}

.tl time {
  font-weight: 600;
  color: var(--grey);
  font-size: .92rem
}

.tl h3 {
  margin: .2rem 0 .3rem
}

.tl p {
  margin: 0;
  font-size: .98rem
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease
}

.reveal.show {
  opacity: 1;
  transform: none
}

/* ==========================================================
   SKILLS
   ========================================================== */
#skills {
  background: var(--sage-l)
}

.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem 3rem;
  margin-top: 2.2rem
}

.skill label {
  display: flex;
  justify-content: space-between;
  font-weight: 500;
  margin-bottom: .4rem
}

.bar {
  height: 12px;
  background: var(--grey-l);
  border-radius: 99px;
  overflow: hidden;
  border: 2px solid var(--char)
}

.bar i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--lime);
  border-right: 2px solid var(--char);
  transition: width 1.4s cubic-bezier(.2, .7, .2, 1)
}

.tools {
  display: flex;
  gap: .6rem;
  flex-wrap: wrap;
  margin-top: 2.2rem
}

.tools span {
  background: var(--off);
  border-radius: 999px;
  padding: .4rem 1rem;
  font-size: .92rem;
  font-weight: 500
}

/* ==========================================================
   CONTACT
   ========================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 3.5rem;
  align-items: start
}

.links {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: .8rem
}

.links a {
  display: inline-flex;
  gap: .7rem;
  align-items: center;
  text-decoration: none;
  font-weight: 500
}

.links a:hover {
  text-decoration: underline
}

form {
  background: var(--off);
  border: 2px solid var(--char);
  border-radius: 24px;
  padding: 2rem;
  display: grid;
  gap: 1.1rem;
  box-shadow: 8px 8px 0 var(--char)
}

.field label {
  display: block;
  font-weight: 600;
  font-size: .95rem;
  margin-bottom: .35rem
}

.field input,
.field textarea,
.field select {
  width: 100%;
  font: inherit;
  padding: .8rem 1rem;
  border: 2px solid var(--char);
  border-radius: 12px;
  background: #fff8;
  color: var(--char)
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: 3px solid var(--lime);
  outline-offset: 1px;
  background: #fff
}

.field textarea {
  min-height: 130px;
  resize: vertical
}

.field .err {
  color: #7a2b22;
  font-size: .88rem;
  min-height: 1.1em;
  display: block;
  margin-top: .25rem
}

.status {
  font-weight: 600;
  min-height: 1.4em;
  margin: 0
}

footer {
  background: var(--char);
  color: var(--off);
  padding: 2rem 0;
  font-size: .92rem
}

footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center
}

footer a {
  color: var(--lime)
}

.top {
  position: fixed;
  right: 1.2rem;
  bottom: calc(1.2rem + env(safe-area-inset-bottom, 0px));
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--lime);
  border: 2px solid var(--char);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: .3s;
  font-size: 1.2rem;
  color: var(--char)
}

.top.show {
  opacity: 1;
  pointer-events: auto
}

@media (max-width:860px) {

  .hero .wrap,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr
  }

  .menu-btn {
    display: block
  }

  nav ul {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--sage);
    border-bottom: 2px solid var(--char);
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s
  }

  nav ul.open {
    max-height: 340px
  }

  nav li a {
    display: block;
    padding: 1rem 4%
  }

  .dam-wrap {
    box-shadow: 6px 6px 0 var(--char)
  }
}

@media (prefers-reduced-motion:reduce) {

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important
  }

  .in,
  .reveal {
    opacity: 1;
    transform: none
  }

  .bar i {
    transition: none
  }
}