/* ============================================================
   Sam Sabeti — personal site
   Quiet editorial system: sage paper, pine ink, one red thread.
   ============================================================ */

:root {
  --bg: #ECEFE6;
  --bg-alt: #E3E8DC;
  --ink: #151b17;
  --ink-2: #46524b;
  --accent: #d63356;
  --footer: #0e3b26;
  --tile: #F6F8F1;
  --line: rgba(21, 27, 23, .14);
  --line-soft: rgba(21, 27, 23, .08);

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", monospace;

  --space: clamp(96px, 13vw, 176px);
  --gutter: clamp(20px, 4.5vw, 64px);
  --measure: 58ch;
}

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

html {
  scroll-behavior: smooth;
}

body { padding-top: 60px; }

#about, #work, #contact { scroll-margin-top: 96px; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.12rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #fff; }

img { display: block; max-width: 100%; }
a { color: inherit; }

.col {
  max-width: 1216px;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.col--wide { max-width: 1280px; }

/* ---------- micro type ---------- */

.kicker,
.meta,
.label {
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-2);
}

/* ---------- links ---------- */

.u-link {
  position: relative;
  text-decoration: none;
  padding-bottom: 2px;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size .35s cubic-bezier(.2, .7, .2, 1);
}

.u-link:hover { background-size: 35% 1px; }

.sep { margin: 0 .55em; color: var(--ink-2); }
.sep--dark { color: rgba(238, 244, 238, .45); }

/* ============================================================
   NAV — smart-sticky: transparent at top, hides on scroll down,
   slides back with a quiet blurred backdrop on scroll up
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px max(var(--gutter), calc((100% - 1216px) / 2 + var(--gutter)));
  transition:
    transform .3s ease,
    background-color .3s ease,
    box-shadow .3s ease;
}

.nav.is-scrolled {
  background: rgba(236, 239, 230, .88);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--line-soft);
}

.nav.is-hidden { transform: translateY(-100%); }

.nav__name {
  font-family: var(--sans);
  font-size: .86rem;
  font-weight: 500;
  color: var(--ink-2);
  text-decoration: none;
  padding: 4px 0;
  position: relative;
  opacity: 0;
  transform: translateX(-6px);
  pointer-events: none;
  transition:
    color .25s ease,
    opacity .3s ease,
    transform .3s ease;
}

.nav.has-name .nav__name {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.nav__name::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1.5px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s cubic-bezier(.2, .7, .2, 1);
}

@media (hover: hover) {
  .nav__name:hover { color: var(--ink); }
  .nav__name:hover::after { transform: scaleX(1); }
}

.nav__links { display: flex; gap: clamp(18px, 3vw, 34px); }

.nav__links a {
  position: relative;
  font-family: var(--sans);
  font-size: .86rem;
  font-weight: 500;
  color: var(--ink-2);
  text-decoration: none;
  padding: 4px 0;
  transition: color .25s ease;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1.5px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s cubic-bezier(.2, .7, .2, 1);
}

@media (hover: hover) {
  .nav__links a:hover { color: var(--ink); }
  .nav__links a:hover::after { transform: scaleX(1); }
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  min-height: max(540px, calc(100svh - 100px));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px 0 96px;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, .88fr);
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
  width: 100%;
  max-width: 1216px;
  margin: 0 auto;
  padding-left: var(--gutter);
}

.hero__title {
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  font-weight: 560;
  line-height: 1.08;
  letter-spacing: -.015em;
  margin-bottom: 1.5rem;
}

.hero__sub {
  font-size: 1.16rem;
  line-height: 1.65;
  color: var(--ink-2);
  max-width: 30em;
  margin-bottom: 2rem;
}

.hero__sub p + p { margin-top: 1em; }

.hero__links {
  display: flex;
  align-items: center;
  font-family: var(--sans);
  font-size: .92rem;
  font-weight: 500;
}

/* Portrait — bleeds to the right edge of the window */

.hero__portrait {
  position: relative;
  justify-self: end;
  /* bleed to the window's right edge, but never overflow the column,
     and never taller than 78svh */
  width: min(100%, calc((100vw - 1216px) / 2 + 100%), calc(78svh * 46 / 52));
  aspect-ratio: 46 / 52;
}

.hero__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 20%;
  border-radius: 3px 0 0 3px;
  transform: scale(1.07);
  opacity: 0;
  transition:
    transform .9s cubic-bezier(.19, .68, .2, 1) .15s,
    opacity .6s ease .15s;
  will-change: transform;
}

.hero__portrait img.is-in {
  transform: scale(1);
  opacity: 1;
}

/* ============================================================
   GENERIC SECTION SCAFFOLD
   ============================================================ */

.section {
  position: relative;
  padding: var(--space) 0;
}

.section--alt { background: var(--bg-alt); }

.sec-label {
  display: flex;
  align-items: baseline;
  gap: 1.1rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(44px, 6vw, 72px);
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.sec-num {
  color: var(--accent);
  letter-spacing: .14em;
}

/* Quiet interior subheading — smaller and lighter than the
   section label row, generous space above */

.subhead {
  font-size: 1.28rem;
  font-weight: 500;
  letter-spacing: -.005em;
  margin: clamp(72px, 9vw, 120px) 0 1rem;
}

.sec-note {
  font-family: var(--sans);
  font-size: .95rem;
  color: var(--ink-2);
  margin-bottom: clamp(40px, 5vw, 60px);
}

/* ============================================================
   01 · ABOUT
   ============================================================ */

.prose {
  max-width: var(--measure);
  font-size: clamp(1.18rem, 1.5vw, 1.32rem);
  line-height: 1.72;
}

.prose p + p { margin-top: 1.35em; }

.offduty {
  margin-top: 3.2rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line-soft);
  max-width: var(--measure);
}

.offduty__label {
  font-family: var(--mono);
  font-size: .66rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: .7rem;
}

.offduty p:not(.offduty__label) {
  color: var(--ink-2);
  font-size: 1.05rem;
  line-height: 1.65;
}

/* ============================================================
   TIMELINE + TRAIL
   ============================================================ */

.tl {
  position: relative;
  max-width: 780px;
  margin-left: clamp(28px, 6vw, 90px);
  margin-top: clamp(56px, 7vw, 96px);
  padding-left: clamp(30px, 4vw, 56px);
}

.tl__trail {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: clamp(30px, 4vw, 56px);
  overflow: visible;
  pointer-events: none;
}

#trail-path {
  fill: none;
  stroke: var(--ink-2);
  stroke-width: 1.5;
  stroke-linecap: round;
  opacity: .3;
}

.tl__entry {
  position: relative;
  padding: clamp(26px, 3.4vw, 42px) 0;
}

.tl__entry + .tl__entry { border-top: 1px solid var(--line-soft); }

.tl__years {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--ink-2);
  margin-bottom: .55rem;
}

.tl__dot {
  position: absolute;
  top: clamp(26px, 3.4vw, 42px);
  left: calc(clamp(30px, 4vw, 56px) * -1);
  transform: translateX(-50%) translateY(.5em);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  outline: 4px solid var(--bg);
}

.section--alt .tl__dot { outline-color: var(--bg-alt); }

.tl__dot--now {
  background: var(--accent);
  animation: pulse 2.6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(214, 51, 86, .38); }
  55%      { box-shadow: 0 0 0 9px rgba(214, 51, 86, 0); }
}

.tl__role {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 560;
  letter-spacing: -.01em;
  line-height: 1.25;
}

.tl__at {
  font-family: var(--sans);
  font-size: .78em;
  font-weight: 400;
  font-style: italic;
  color: var(--ink-2);
}

.tl__desc {
  margin-top: .7rem;
  color: var(--ink-2);
  max-width: 52ch;
}

/* ============================================================
   WORK — TEAMS GRID (name at rest, descriptor on hover/tap)
   ============================================================ */

.clients {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(14px, 1.8vw, 22px);
}

.client__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  height: clamp(120px, 11vw, 148px);
  padding: 1rem;
  text-align: center;
  background: var(--tile);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  overflow: hidden;
  transition:
    transform .3s ease,
    box-shadow .3s ease;
}

.client__logo {
  max-width: 58%;
  max-height: 40px;
  width: auto;
  height: auto;
  filter: grayscale(1);
  opacity: .78;
  transition:
    filter .3s ease,
    opacity .3s ease,
    transform .3s ease;
}

.client__logo--wide { max-width: 76%; max-height: 30px; }

.client__face--sub {
  position: absolute;
  left: 0;
  right: 0;
  bottom: .8rem;
  padding: 0 .9rem;
  font-family: var(--sans);
  font-size: .8rem;
  line-height: 1.45;
  letter-spacing: .01em;
  color: var(--ink-2);
  opacity: 0;
  transform: translateY(3px);
  transition:
    opacity .3s ease,
    transform .3s ease;
}

.client:hover .client__inner,
.client.is-tapped .client__inner {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(21, 27, 23, .07);
}

.client:hover .client__logo,
.client.is-tapped .client__logo {
  filter: grayscale(0);
  opacity: 1;
  transform: translateY(-8px);
}

.client:hover .client__face--sub,
.client.is-tapped .client__face--sub {
  opacity: 1;
  transform: none;
}

/* ============================================================
   WORK — ENGAGEMENT CARDS
   ============================================================ */

.ways {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: clamp(28px, 4vw, 56px);
  row-gap: 44px;
}

.way { border-top: 2px solid var(--ink); padding-top: 1.2rem; }

.way__sub {
  font-style: italic;
  font-size: .95rem;
  color: var(--ink-2);
}

.way__title {
  font-size: 1.34rem;
  font-weight: 560;
  letter-spacing: -.01em;
  margin: .55rem 0 .5rem;
}

.way__body {
  color: var(--ink-2);
  font-size: 1.02rem;
  line-height: 1.62;
  max-width: 32ch;
  margin-top: 1.05rem;
}

.way__meta {
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  gap: .45rem;
}

.way__meta > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.way__meta dt {
  font-family: var(--mono);
  font-size: .64rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding-top: .15em;
}

.way__meta dd {
  font-family: var(--sans);
  font-size: .9rem;
  font-weight: 500;
  text-align: right;
}

.together__note {
  margin-top: clamp(48px, 6vw, 72px);
  font-size: 1.14rem;
  font-style: italic;
}

/* ============================================================
   FOOTER / CONTACT
   ============================================================ */

.footer {
  position: relative;
  background: var(--footer);
  color: #eef4ee;
  padding: calc(var(--space) * .95) 0 40px;
  overflow: clip;
}

.footer .sec-label {
  border-bottom-color: rgba(238, 244, 238, .16);
  color: rgba(238, 244, 238, .55);
}

.sec-label--dark .sec-num { color: rgba(238, 244, 238, .75); }

/* Contact form — quiet hairlines on forest */

.cform {
  max-width: 560px;
  margin: 0 0 2.2rem;
}

.cform__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 clamp(24px, 4vw, 48px);
}

.cform__field { margin-bottom: 2rem; }

.cform__label {
  display: block;
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(238, 244, 238, .55);
  margin-bottom: .45rem;
}

.cform__input {
  display: block;
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(238, 244, 238, .26);
  border-radius: 0;
  padding: .5rem 0 .65rem;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 450;
  color: #eef4ee;
  caret-color: #eef4ee;
  transition: border-color .25s ease;
}

.cform__input::placeholder { color: rgba(238, 244, 238, .35); }

.cform__input:focus {
  outline: none;
  border-bottom-color: rgba(238, 244, 238, .8);
}

.cform__input--area {
  resize: vertical;
  min-height: 3.2em;
  line-height: 1.55;
}

.cform__foot {
  display: flex;
  align-items: baseline;
  gap: 1.4rem;
  flex-wrap: wrap;
}

.cform__send {
  appearance: none;
  background: transparent;
  border: 1px solid rgba(238, 244, 238, .4);
  border-radius: 999px;
  color: #eef4ee;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  padding: .72em 1.9em;
  cursor: pointer;
  transition: background .25s ease, border-color .25s ease;
}

.cform__send:hover {
  background: rgba(238, 244, 238, .1);
  border-color: rgba(238, 244, 238, .75);
}

.cform__send:disabled { opacity: .55; cursor: default; }

.cform__status {
  font-family: var(--sans);
  font-size: .9rem;
  font-style: italic;
  color: rgba(238, 244, 238, .72);
  margin: 0;
}

.footer__mail {
  font-family: var(--sans);
  font-size: .95rem;
  color: rgba(238, 244, 238, .6);
  margin-bottom: 2.6rem;
}

.footer__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: .4rem;
  row-gap: 1rem;
  font-family: var(--sans);
  font-size: 1.02rem;
  font-weight: 500;
  margin-bottom: clamp(64px, 9vw, 110px);
}

.footer__base {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(238, 244, 238, .16);
  font-family: var(--mono);
  font-size: .64rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(238, 244, 238, .5);
}

.footer__made {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
}

.footer__mark { height: 18px; width: auto; opacity: .8; }

/* ============================================================
   REVEAL ON SCROLL — quick, quiet
   ============================================================ */

[data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity .45s ease,
    transform .45s ease;
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1080px) {
  .clients { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .hero {
    min-height: 0;
    padding-top: 40px;
    justify-content: flex-start;
  }
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .hero__portrait {
    width: calc(100% + var(--gutter));
    max-width: 520px;
    justify-self: end;
    aspect-ratio: 5 / 4;
  }
  .hero__portrait img { object-position: 50% 18%; }
  .ways { grid-template-columns: 1fr; }
  .way__body { max-width: 52ch; }
}

@media (max-width: 720px) {
  body { font-size: 1.06rem; }
  .clients { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .client__inner { height: 120px; }
  .client__logo { max-width: 66%; max-height: 34px; }
  .client__logo--wide { max-width: 82%; max-height: 26px; }
  .client__face--sub { font-size: .74rem; bottom: .6rem; padding: 0 .65rem; line-height: 1.4; }
  .client:hover .client__logo,
  .client.is-tapped .client__logo { transform: translateY(-6px); }
  .tl { margin-left: 22px; padding-left: 26px; }
  .tl__trail { width: 30px; }
  .tl__dot { left: -26px; }
  .cform__row { grid-template-columns: 1fr; }
  .cform__input { font-size: 1.02rem; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal], .hero__portrait img { opacity: 1; transform: none; transition: none; }
  .tl__dot--now { animation: none; }
  .nav__links a::after, .nav__name::after, .u-link { transition: none; }
  .nav, .nav__name { transition: none; }
  .client__inner, .client__logo, .client__face--sub { transition: none; }
  .cform__input, .cform__send { transition: none; }
}