/* ===========================================================
   HMI Photography portfolio
   A small, dependency-free stylesheet.
   Sections: tokens · base · header · footer · hero ·
             gallery · about · contact · utilities · responsive
   =========================================================== */

/* --- design tokens --------------------------------------- */
:root {
  --ink:        #1a1a1a;
  --ink-soft:   #4a4a4a;
  --paper:      #fbfaf8;
  --paper-2:    #f1efea;
  --line:       #e3e0d8;
  --accent:     #b08d57;        /* warm brass */
  --accent-ink: #8a6d3f;

  --maxw: 1180px;
  --gap:  clamp(1rem, 2.5vw, 2rem);

  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans:  "Helvetica Neue", Arial, system-ui, sans-serif;

  --shadow: 0 10px 30px rgba(0, 0, 0, .12);
  --ease:   cubic-bezier(.22, .61, .36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.1;
  margin: 0 0 .4em;
  letter-spacing: .01em;
}

h1 { font-size: clamp(2.6rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }

p { margin: 0 0 1.1em; color: var(--ink-soft); }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gap);
}

.eyebrow {
  font-family: var(--sans);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent-ink);
  margin: 0 0 1rem;
}

/* --- buttons --------------------------------------------- */
.btn {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: .9rem 2rem;
  border: 1px solid currentColor;
  transition: background-color .3s var(--ease),
              color .3s var(--ease);
}
.btn--light { color: #fff; }
.btn--light:hover { background: #fff; color: var(--ink); }
.btn--dark  { color: var(--ink); }
.btn--dark:hover { background: var(--ink); color: var(--paper); }

/* --- header ---------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 250, 248, .88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.brand {
  font-family: var(--serif);
  font-size: 1.6rem;
  letter-spacing: .04em;
}
.brand span { color: var(--accent); }

.nav {
  display: flex;
  gap: clamp(1.2rem, 3vw, 2.6rem);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.nav a {
  position: relative;
  padding: .4rem 0;
  color: var(--ink-soft);
  transition: color .25s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav a:hover,
.nav a[aria-current="page"] { color: var(--ink); }
.nav a:hover::after,
.nav a[aria-current="page"]::after { transform: scaleX(1); }

/* --- footer ---------------------------------------------- */
.site-footer {
  margin-top: 5rem;
  padding-block: 3rem;
  background: var(--ink);
  color: #cfc9bd;
  font-size: .9rem;
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  justify-content: space-between;
}
.site-footer a:hover { color: #fff; }
.site-footer .brand { color: #fff; }
.socials { display: flex; gap: 1.4rem; letter-spacing: .12em; text-transform: uppercase; font-size: .78rem; }

/* --- hero (home) ----------------------------------------- */
.hero {
  position: relative;
  min-height: calc(100vh - 74px);
  display: grid;
  place-items: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
}
/* crossfading background slideshow — pure CSS, no JS */
.hero__slides {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero__slides div {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  animation: slideshow 32s infinite;
}
.hero__slides div:nth-child(1) { animation-delay:  0s; }
.hero__slides div:nth-child(2) { animation-delay:  8s; }
.hero__slides div:nth-child(3) { animation-delay: 16s; }
.hero__slides div:nth-child(4) { animation-delay: 24s; }

@keyframes slideshow {
  0%   { opacity: 0; transform: scale(1.08); }
  6%   { opacity: 1; }
  25%  { opacity: 1; transform: scale(1); }
  31%  { opacity: 0; }
  100% { opacity: 0; }
}
/* darkening veil for legible text */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(rgba(20,20,20,.45), rgba(20,20,20,.6));
}
.hero__content { max-width: 760px; padding-inline: var(--gap); }
.hero__content .eyebrow { color: #e9d9bd; }
.hero h1 { color: #fff; }
.hero__lead {
  font-size: 1.15rem;
  color: #ece9e2;
  max-width: 48ch;
  margin-inline: auto;
  margin-bottom: 2rem;
}
.hero__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* scroll cue */
.scroll-cue {
  position: absolute;
  bottom: 1.6rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: .7rem;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: rgba(255,255,255,.8);
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob { 0%,100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

@media (prefers-reduced-motion: reduce) {
  .hero__slides div { animation: none; opacity: 1; }
  .hero__slides div:not(:first-child) { display: none; }
  .scroll-cue { animation: none; }
}

/* --- generic page header --------------------------------- */
.page-head {
  padding-block: clamp(3rem, 8vw, 6rem);
  text-align: center;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
}
.page-head p { max-width: 56ch; margin-inline: auto; margin-bottom: 0; }

/* --- feature strip (home) -------------------------------- */
.strip { padding-block: clamp(3rem, 8vw, 6rem); }
.strip__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.feature { text-align: center; }
.feature .num {
  font-family: var(--serif);
  font-size: 2.4rem;
  color: var(--accent);
  display: block;
}

/* --- gallery --------------------------------------------- */
.gallery {
  columns: 3;
  column-gap: var(--gap);
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}
.shot {
  position: relative;
  margin: 0 0 var(--gap);
  break-inside: avoid;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.shot img {
  width: 100%;
  transition: transform .6s var(--ease);
}
.shot figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.4rem 1.2rem .9rem;
  background: linear-gradient(transparent, rgba(0,0,0,.78));
  color: #fff;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.shot figcaption .t {
  font-family: var(--serif);
  font-size: 1.35rem;
  line-height: 1.1;
}
.shot figcaption .s {
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #d9cfbd;
}
.shot:hover img { transform: scale(1.06); }
.shot:hover figcaption { opacity: 1; transform: translateY(0); }

/* filter pills (decorative, anchor-based) */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  justify-content: center;
  padding-top: clamp(2rem, 5vw, 3rem);
}
.filters a {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: .55rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  transition: all .25s var(--ease);
}
.filters a:hover { border-color: var(--accent); color: var(--accent-ink); }

/* --- split / about block --------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding-block: clamp(3rem, 8vw, 6rem);
}
.split img { box-shadow: var(--shadow); }

/* --- contact --------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding-block: clamp(3rem, 8vw, 6rem);
}
.field { margin-bottom: 1.3rem; }
.field label {
  display: block;
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: .5rem;
}
.field input,
.field textarea {
  width: 100%;
  font: inherit;
  font-size: .95rem;
  padding: .85rem 1rem;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(176,141,87,.18);
}
.field textarea { resize: vertical; min-height: 150px; }

.info-list { list-style: none; margin: 0; padding: 0; }
.info-list li { padding: 1rem 0; border-bottom: 1px solid var(--line); }
.info-list .k {
  display: block;
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-ink);
  margin-bottom: .15rem;
}

/* --- utilities ------------------------------------------- */
.center { text-align: center; }
.mt-2 { margin-top: 2rem; }

/* --- responsive ------------------------------------------ */
@media (max-width: 900px) {
  .gallery { columns: 2; }
  .strip__grid { grid-template-columns: 1fr; gap: 2rem; }
  .split,
  .contact-grid { grid-template-columns: 1fr; }
  .split .split__img { order: -1; }
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  .gallery { columns: 1; }
  .nav { gap: 1rem; font-size: .72rem; }
  .brand { font-size: 1.3rem; }
  .hero__actions { flex-direction: column; align-items: center; }
}