/* =========================================================
   Krishna Patel — Portfolio homepage
   ========================================================= */

:root {
  --black: #111111;
  --black-deep: #0b0b0c;
  --surface-dark: #222222;
  --page: #ebebeb;
  --white: #ffffff;
  --ink: #111111;
  --muted: #8c8c8c;
  --muted-on-dark: #7b7b7b;
  --pill: #7d7d7d;
  --placeholder-light: #e6e6e6;

  --font-display: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --container: 1640px;
  --gutter: clamp(16px, 4vw, 70px);
  --radius-card: clamp(32px, 4vw, 64px);
  --radius-media: clamp(24px, 3.4vw, 54px);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font-display);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p, dl, dd { margin: 0; }

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


/* ---------- Placeholder media ----------
   Shows data-label until a real <img> loads over it. */
.media {
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
}
.media::before {
  content: attr(data-label);
  padding: 12px 16px;
  font: 500 13px/1.4 var(--font-body);
  letter-spacing: 0.04em;
  text-align: center;
  border: 1px dashed currentColor;
  border-radius: 8px;
  opacity: 0.6;
}
.media > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media--dark  { background: var(--black); color: #9a9a9a; }
.media--light { background: var(--placeholder-light); color: #777; }
/* cut-out product shots: show the whole image, never crop it */
.media--contain > img { object-fit: contain; padding: 6%; }
/* hide the placeholder label once a real image has loaded */
.media:has(> img)::before { content: none; }

/* ---------- Shared components ---------- */
.pill {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--pill);
  color: var(--white);
  font-size: clamp(16px, 1.2vw, 20px);
  font-weight: 500;
  line-height: 1.2;
}
.pill--dark {
  background: var(--surface-dark);
  font-size: clamp(15px, 1.1vw, 19px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: clamp(54px, 4vw, 70px);
  padding: 0 clamp(28px, 2.4vw, 40px);
  border-radius: 999px;
  font-size: clamp(17px, 1.25vw, 22px);
  font-weight: 500;
  white-space: nowrap;
  transition: transform 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--light { background: var(--white); color: var(--ink); font-weight: 400; }
.btn--dark  { background: var(--surface-dark); color: var(--white); }
.btn--black { background: var(--black); color: var(--white); }
.btn--black:hover { background: #2a2a2a; }

.section { padding-inline: var(--gutter); }
.section__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(20px, 2.4vw, 36px);
  text-align: center;
}
.display {
  font-size: clamp(34px, 4.1vw, 66px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* ---------- Hero ---------- */
.hero {
  background: var(--black);
  color: var(--white);
  min-height: min(100vh, 840px);
  display: flex;
  flex-direction: column;
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(16px, 4.5vw, 78px);
  width: 100%;
  max-width: calc(var(--container) + 2 * clamp(16px, 4.5vw, 78px));
  margin-inline: auto;
}
.nav__logo {
  width: 70px;
  height: 70px;
  color: #888;
}
.media--logo { background: transparent; }
.media--logo::before { padding: 6px; font-size: 11px; border-radius: 6px; }
.media--logo > img { object-fit: contain; }

.nav__links {
  display: flex;
  gap: clamp(24px, 2.3vw, 40px);
  font-size: clamp(20px, 1.5vw, 25px);
  font-weight: 500;
}
.nav__links a { transition: opacity 0.2s ease; }
.nav__links a:hover { opacity: 0.6; }

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  position: relative;
}
.nav__toggle span {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--white);
  transition: transform 0.25s ease;
}
.nav__toggle span:first-child { top: 17px; }
.nav__toggle span:last-child  { top: 25px; }
.nav.is-open .nav__toggle span:first-child { transform: translateY(4px) rotate(45deg); }
.nav.is-open .nav__toggle span:last-child  { transform: translateY(-4px) rotate(-45deg); }

.hero__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 16px 120px;
}
.hero__title {
  margin-top: 30px;
  font-size: clamp(40px, 3.6vw, 62px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.hero__lede {
  max-width: 780px;
  margin-top: 30px;
  font-size: clamp(19px, 1.75vw, 30px);
  line-height: 1.5;
  color: #d4d4d4;
}
.hero__lede strong { color: var(--white); font-weight: 700; }
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 26px;
  margin-top: 54px;
}

/* ---------- Featured work ---------- */
.work { padding-top: clamp(64px, 8vw, 120px); }

.work__grid {
  display: grid;
  /* 3 equal columns; wide cards span 2. Each grid holds one row of 2 projects. */
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  max-width: var(--container);
  margin: clamp(40px, 4vw, 64px) auto 0;
}
.work__grid .card--wide { grid-column: span 2; }
.work__fold + .work__fold .work__grid { margin-top: 40px; }

.card {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -24px rgba(0, 0, 0, 0.25);
}
.card__media { border-radius: var(--radius-media); }
.card__title {
  font-size: clamp(24px, 2vw, 36px);
  font-weight: 500;
  line-height: 1.15;
}
.card__desc {
  margin-top: 10px;
  font-size: clamp(16px, 1.25vw, 21px);
  line-height: 1.25;
  color: var(--muted);
}

/* wide card: media left, text right */
.card--wide {
  display: grid;
  grid-template-columns: minmax(0, 582fr) minmax(0, 474fr);
  gap: clamp(20px, 1.8vw, 30px);
}
.card--wide .card__media { aspect-ratio: 1 / 1; }
.card--wide .card__body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(20px, 2.6vw, 48px) 24px clamp(20px, 2.6vw, 48px) 0;
}
.card--wide .btn {
  align-self: flex-start;
  height: clamp(44px, 3.2vw, 54px);
  padding-inline: clamp(22px, 1.8vw, 30px);
  font-size: clamp(15px, 1.05vw, 18px);
}

/* compact card: media top, text bottom */
.card--compact .card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
}
/* height follows the wide card beside it */
.card--compact .card__media { flex: 1; min-height: 200px; }
.card--compact .card__body { padding: clamp(16px, 1.6vw, 24px) clamp(20px, 2.4vw, 40px) clamp(14px, 1.3vw, 20px); }
.card--compact .card__desc { margin-top: 6px; }

/* ---------- Work page ---------- */
.hero__title--page { margin-top: 0; }
.hero__lede--page {
  max-width: 560px;
  margin-top: 24px;
  font-size: clamp(18px, 1.5vw, 24px);
}

/* row of three equal cards */
.work__grid--three .card--compact .card__media { aspect-ratio: 495 / 443; }

/* project that isn't ready yet: faded, not clickable */
.card--soon { position: relative; }
.card--soon:hover { transform: none; box-shadow: none; }
.card--soon .card__link { opacity: 0.35; }
.card--soon .media::before { content: none; }

/* thin strip of page colour between the skills strip and the footer */
.work.work--page { padding-bottom: 16px; }
.card__soon {
  position: absolute;
  left: 0;
  right: 0;
  top: 40%;
  text-align: center;
  font-size: clamp(24px, 2.2vw, 34px);
  font-weight: 500;
  pointer-events: none;
}

/* ---------- Statement ---------- */
.statement {
  padding-block: clamp(72px, 11vw, 200px);
}
.statement p {
  max-width: 1180px;
  margin: 0 auto;
  text-align: center;
  font-size: clamp(26px, 3vw, 52px);
  line-height: 1.35;
  font-weight: 400;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

/* ---------- About ---------- */
.about { padding-inline: var(--gutter); }
.about__inner {
  max-width: var(--container);
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-card);
  padding: clamp(24px, 7.3vw, 126px) clamp(24px, 7.3vw, 120px);
  display: grid;
  grid-template-columns: minmax(0, 600fr) minmax(0, 680fr);
  gap: clamp(40px, 7vw, 120px);
  align-items: center;
}
.about__portrait {
  aspect-ratio: 600 / 725;
  border-radius: 16px;
}
.about__portrait > img { object-position: center top; }
.about__title {
  margin-top: 26px;
  font-size: clamp(30px, 2.7vw, 46px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.about__body {
  margin-top: 40px;
  font-family: var(--font-body);
  font-size: clamp(16px, 1.15vw, 19px);
  line-height: 1.6;
  color: var(--muted);
}
.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 84px;
  margin-top: 64px;
}
.stat dt {
  font-size: clamp(15px, 1.05vw, 18px);
  color: var(--muted);
}
.stat dd {
  margin-top: 14px;
  font-size: clamp(40px, 3.3vw, 56px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
}

/* ---------- Why me ---------- */
.why { padding-block: clamp(72px, 11vw, 200px) 0; }
.why__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  max-width: 1400px;
  margin: clamp(32px, 2.8vw, 44px) auto 0;
}
.why-card {
  background: var(--white);
  border-radius: 20px;
  padding: 40px 40px 52px;
}
.why-card__icon {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  border-radius: 8px;
  background: var(--black);
}
.why-card__icon svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--white);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.why-card h3 {
  margin-top: 36px;
  font-family: var(--font-body);
  font-size: clamp(21px, 1.5vw, 25px);
  font-weight: 400;
}
.why-card p {
  margin-top: 24px;
  font-family: var(--font-body);
  font-size: clamp(16px, 1.15vw, 19px);
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- Skills marquee ---------- */
.marquee {
  background: var(--black);
  color: var(--white);
  overflow: hidden;
  padding-block: 26px;
  margin: clamp(64px, 8vw, 100px) calc(-1 * var(--gutter)) 0;
  position: relative;
}
/* dark shadow on both edges: the words fade into the black strip */
.marquee::before,
.marquee::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: clamp(60px, 10vw, 180px);
  z-index: 1;
  pointer-events: none;
}
.marquee::before { left: 0;  background: linear-gradient(to right, var(--black), transparent); }
.marquee::after  { right: 0; background: linear-gradient(to left,  var(--black), transparent); }
.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__list {
  display: flex;
  flex-shrink: 0;
}
.marquee__list li {
  padding-inline: 30px;
  font-size: clamp(17px, 1.25vw, 21px);
  font-weight: 500;
  white-space: nowrap;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---------- Footer ---------- */
.footer {
  background: var(--black-deep);
  color: var(--white);
  padding: clamp(44px, 4.5vw, 72px) clamp(16px, 4.8vw, 85px) clamp(40px, 4vw, 64px);
}
.footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 850fr) minmax(0, 390fr) minmax(0, 350fr);
  gap: 40px;
  max-width: var(--container);
  margin: 0 auto;
}
.footer__cta h2 {
  font-size: clamp(26px, 2.1vw, 36px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.035em;
}
.footer__cta .muted { color: var(--muted-on-dark); font-weight: 500; }
.footer__cta .btn { margin-top: 28px; height: 50px; font-size: 17px; }

.footer__cols { display: contents; }
.footer__cols h3 {
  font-size: 15px;
  font-weight: 400;
  color: var(--muted-on-dark);
}
.footer__cols ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}
.footer__cols a {
  font-size: clamp(17px, 1.3vw, 21px);
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: opacity 0.2s ease;
}
.footer__cols a:hover { opacity: 0.6; }

/* =========================================================
   Responsive
   ========================================================= */

/* Small laptops and tablets in landscape: desktop layout, a little tighter */
@media (max-width: 1100px) {
  .work__grid { gap: 24px; }
  .work__fold + .work__fold .work__grid { margin-top: 24px; }
  .card--compact .card__body { padding: 20px 24px 16px; }

  .about__inner { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); }
  .why__grid { gap: 20px; }
  .why-card { padding: 32px 28px 36px; }
}

/* Tablets in portrait: one project per row, image left and text right */
@media (max-width: 899px) {
  .work__grid { grid-template-columns: minmax(0, 1fr); }
  .work__grid .card--wide { grid-column: auto; }
  .card--compact .card__link {
    display: grid;
    grid-template-columns: minmax(0, 582fr) minmax(0, 474fr);
    gap: clamp(20px, 1.8vw, 30px);
  }
  .card--compact .card__media,
  .work__grid--three .card--compact .card__media { aspect-ratio: 1 / 1; min-height: 0; }
  .card--compact .card__body { padding: clamp(20px, 2.6vw, 48px) 24px 20px 0; }
  .card__soon { right: auto; width: 55%; top: 50%; transform: translateY(-50%); }

  .about__inner { grid-template-columns: minmax(0, 1fr); padding: 16px 16px 48px; gap: 40px; }
  .about__portrait { aspect-ratio: 4 / 3; }
  .about__text { padding-inline: 24px; }

  .why__grid { grid-template-columns: minmax(0, 1fr); max-width: 720px; }
  .why-card { display: grid; grid-template-columns: auto minmax(0, 1fr); column-gap: 24px; }
  .why-card__icon { grid-row: span 2; }
  .why-card h3 { margin-top: 0; }
  .why-card p { margin-top: 10px; }

  .footer__inner { grid-template-columns: 1fr 1fr; row-gap: 36px; }
  .footer__cta { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .nav__toggle { display: block; z-index: 2; }
  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1;
    flex-direction: column;
    gap: 0;
    padding: 8px 16px 20px;
    background: var(--black);
    border-bottom: 1px solid #222;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }
  .nav__links a { display: block; padding: 14px 0; }
  .nav.is-open .nav__links { opacity: 1; visibility: visible; transform: none; }
  .nav__logo { width: 52px; height: 52px; }

  .hero { min-height: min(88vh, 720px); }
  .hero__actions { gap: 14px; }

  .card--wide { grid-template-columns: minmax(0, 1fr); }
  .card--wide .card__body { padding: 0 16px 16px; }
  .card--compact .card__link { display: flex; }
  .card__soon { right: 0; width: auto; top: 38%; transform: none; }
  .card--compact .card__media { aspect-ratio: 1 / 1; min-height: 0; }
  .card--compact .card__body { padding: 20px 16px 16px; }
  .card__desc { margin-top: 10px; }

  .about__inner { grid-template-columns: minmax(0, 1fr); padding: 12px 12px 36px; gap: 32px; }
  .about__portrait { aspect-ratio: 600 / 725; }
  .about__text { padding-inline: 12px; }
  .about__body { margin-top: 24px; }
  .stats { margin-top: 40px; gap: 24px 48px; }

  .why-card { display: block; padding: 28px 24px 32px; }
  .why-card h3 { margin-top: 24px; }
  .why-card p { margin-top: 14px; }

  .marquee { padding-block: 20px; }
  .marquee__list li { padding-inline: 20px; }

}

/* =========================================================
   One screen per section (desktop / laptop)
   Each section fills exactly one viewport and its content
   scales with the screen height so nothing spills over.
   Phones and tablets keep the natural stacked layout.
   ========================================================= */

@media (min-width: 1101px) and (min-height: 600px) {
  :root {
    --fold-h: 100vh;
    --fold-pad: clamp(28px, 6vh, 72px);
  }
  @supports (height: 100svh) { :root { --fold-h: 100svh; } }

  .fold {
    height: var(--fold-h);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-block: var(--fold-pad);
  }
  .section__head { gap: clamp(12px, 2.2vh, 28px); }
  .display { font-size: clamp(34px, min(4.1vw, 6.4vh), 66px); }

  /* Hero */
  .hero.fold { min-height: 0; padding-block: 0; justify-content: flex-start; }
  .hero__content { padding: 0 16px 6vh; }

  /* Featured work: two rows of 2 projects, 40px apart like the cards beside each other */
  .work { padding-block: var(--fold-pad); }

  /* Statement */
  .statement { padding-block: var(--fold-pad); }

  /* About: card fills the screen, photo sized from the height */
  .about__inner {
    --inner-pad: clamp(24px, 6vh, 80px);
    width: 100%;
    padding: var(--inner-pad) clamp(32px, 6vw, 110px);
    grid-template-columns: auto minmax(0, 1fr);
    gap: clamp(40px, 6vw, 110px);
  }
  .about__portrait {
    /* capped so the text column keeps enough room on very large screens */
    height: min(calc(var(--fold-h) - 2 * var(--fold-pad) - 2 * var(--inner-pad)), 760px);
    width: auto;
  }
  .about__title { margin-top: clamp(14px, 2.4vh, 26px); font-size: clamp(28px, min(2.6vw, 4.6vh), 46px); }
  .about__body { margin-top: clamp(16px, 3vh, 36px); }
  .stats { margin-top: clamp(24px, 5vh, 60px); }

  /* Why me + skills strip share one screen */
  .why.fold { padding-bottom: 0; }
  .why .section__head { margin-top: auto; }
  .why__grid { width: 100%; margin-top: clamp(24px, 4vh, 44px); margin-bottom: auto; }
  .why-card { padding: clamp(24px, 4vh, 40px) 36px clamp(28px, 4.6vh, 52px); }
  .why-card h3 { margin-top: clamp(18px, 3vh, 36px); }
  .why-card p { margin-top: clamp(12px, 2vh, 24px); }
  .why .marquee {
    margin: var(--fold-pad) calc(-1 * var(--gutter)) 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee__track { animation: none; }
  .card, .btn { transition: none; }
}