/*
Theme Name: Aperture
Theme URI: https://yoursite.com
Author: Your Name
Description: Minimal full-screen photography theme. Homepage hero = most recent post featured image. Hamburger nav only, no footer, black & white with orange accent.
Version: 1.1.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: aperture
Tags: photography, full-width-template, custom-logo, featured-images
*/

/* ─────────────────────────────────────────────
   RESET & BASE
───────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --white:        #f8f8f8;
  --black:        #0d0d0d;
  --gray:         #1a1a1a;
  --orange:       #e85d04;
  --orange2:      #f48c06;
  --font-display: 'Bebas Neue', 'Arial Narrow', sans-serif;
  --font-body:    'DM Sans', 'Helvetica Neue', sans-serif;
  --ease:         cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-body); background: var(--black); color: var(--white); overflow-x: hidden; }
a    { color: inherit; text-decoration: none; }
img  { max-width: 100%; height: auto; display: block; }

/* ─────────────────────────────────────────────
   FOCUS — WCAG 2.4.11
───────────────────────────────────────────── */
:focus         { outline: none; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }

/* ─────────────────────────────────────────────
   SKIP LINK — WCAG 2.4.1
───────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 99999;
  padding: 0.75rem 1.5rem;
  background: var(--orange);
  color: var(--black);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  border: 2px solid var(--black);
  transition: top 0.1s;

  &:focus {
    top: 1rem;
    outline: 3px solid var(--black);
    outline-offset: 3px;
  }
}

/* ─────────────────────────────────────────────
   SITE LOGO & PAGE H1 — fixed top left
───────────────────────────────────────────── */
.site-logo {
  position: fixed;
  top: 1.75rem;
  left: 2rem;
  z-index: 1000;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
  text-shadow: 0 1px 8px rgba(0,0,0,0.7);
}

.site-h1 {
  position: fixed;
  top: 3.6rem;
  left: 2rem;
  z-index: 1000;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--white);
  text-shadow: 0 1px 8px rgba(0,0,0,0.7);
  pointer-events: none;
  white-space: nowrap;
}

/* ─────────────────────────────────────────────
   HAMBURGER — fixed top right
───────────────────────────────────────────── */
.hamburger {
  position: fixed;
  top: 1.5rem;
  right: 1.75rem;
  z-index: 1001;
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  border-radius: 2px;

  &:focus-visible {
    outline: 3px solid var(--orange);
    outline-offset: 4px;
  }

  & .hamburger__bar {
    display: block;
    height: 1.5px;
    background: var(--white);
    transition: all 0.35s var(--ease);

    &:nth-child(1) { width: 26px; }
    &:nth-child(2) { width: 18px; }
    &:nth-child(3) { width: 26px; }
  }

  &.is-active {
    & .hamburger__bar {
      background: var(--white);

      &:nth-child(1) { width: 26px; transform: translateY(7.5px) rotate(45deg); }
      &:nth-child(2) { opacity: 0; transform: translateX(10px); }
      &:nth-child(3) { width: 26px; transform: translateY(-7.5px) rotate(-45deg); }
    }
  }
}

/* ─────────────────────────────────────────────
   FULLSCREEN NAV OVERLAY
───────────────────────────────────────────── */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 950;
  background: var(--black);
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding-top: 8rem;
  padding-left: 2rem;
  clip-path: circle(0% at calc(100% - 1.75rem - 22px) calc(1.5rem + 22px));
  transition: clip-path 0.6s var(--ease), visibility 0s 0.6s;
  pointer-events: none;
  visibility: hidden;

  &.is-open {
    clip-path: circle(160% at calc(100% - 1.75rem - 22px) calc(1.5rem + 22px));
    pointer-events: auto;
    visibility: visible;
    transition: clip-path 0.6s var(--ease), visibility 0s 0s;

    & li {
      &:nth-child(1) a { transition: transform 0.55s 0.10s var(--ease), opacity 0.55s 0.10s ease, color 0.2s ease; }
      &:nth-child(2) a { transition: transform 0.55s 0.17s var(--ease), opacity 0.55s 0.17s ease, color 0.2s ease; }
      &:nth-child(3) a { transition: transform 0.55s 0.24s var(--ease), opacity 0.55s 0.24s ease, color 0.2s ease; }
      &:nth-child(4) a { transition: transform 0.55s 0.31s var(--ease), opacity 0.55s 0.31s ease, color 0.2s ease; }
      &:nth-child(5) a { transition: transform 0.55s 0.38s var(--ease), opacity 0.55s 0.38s ease, color 0.2s ease; }
      &:nth-child(6) a { transition: transform 0.55s 0.45s var(--ease), opacity 0.55s 0.45s ease, color 0.2s ease; }
    }

    & a { transform: translateY(0); opacity: 1; }
  }

  & ul {
    list-style: none;
    display: flex;
    flex-direction: column;
  }

  & li {
    /* clip-path instead of overflow:hidden — preserves the orange active bar on the right */
    margin-bottom: 0.1rem;
    line-height: 1;
    clip-path: inset(0 -20px 0 0);
  }

  & a {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 9vw, 8rem);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--white);
    line-height: 1;
    transform: translateY(110%);
    opacity: 0;
    transition: color 0.2s ease;
    position: relative;

    &:hover { color: var(--orange); }

    /* Inset outline so it is never clipped by the li clip-path */
    &:focus-visible {
      outline: 3px solid var(--orange);
      outline-offset: -3px;
      color: var(--orange);
    }

    &[aria-current="page"] {
      color: var(--orange);

      &::after {
        content: '';
        display: block;
        flex-shrink: 0;
        width: 4px;
        height: 0.85em;
        background: var(--orange);
        border-radius: 2px;
      }
    }
  }

  & .current-menu-item > a {
    color: var(--orange);

    &::after {
      content: '';
      display: block;
      flex-shrink: 0;
      width: 4px;
      height: 0.85em;
      background: var(--orange);
      border-radius: 2px;
    }
  }
}

/* ─────────────────────────────────────────────
   HOMEPAGE HERO
───────────────────────────────────────────── */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 580px;
  overflow: hidden;

  &:hover .hero__bg { transform: scale(1); }

  & .hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.04);
    transition: transform 10s var(--ease);
    will-change: transform;
  }

  & .hero__overlay {
    position: absolute;
    inset: 0;
    background:
      linear-gradient(to top,   rgba(13,13,13,0.90) 0%, rgba(13,13,13,0.30) 40%, rgba(13,13,13,0.00) 65%),
      linear-gradient(to bottom, rgba(13,13,13,0.65) 0%, transparent 25%);
    pointer-events: none;
  }

  & .hero__info {
    position: absolute;
    bottom: 0;
    left: 0;
    padding: 0 2.5rem 3.5rem;
    max-width: min(700px, 90vw);
    z-index: 10;

    @media (max-width: 640px) { padding: 0 1.5rem 2.5rem; }
  }

  & .hero__tag {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--orange);
    font-family: var(--font-body);
    margin-bottom: 0.75rem;
    opacity: 0;
    transform: translateY(10px);
    animation: fadeUp 0.6s 0.2s var(--ease) forwards;
  }

  & .hero__title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 7rem);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--white);
    line-height: 0.93;
    margin-bottom: 1.25rem;
    opacity: 0;
    transform: translateY(16px);
    animation: fadeUp 0.65s 0.35s var(--ease) forwards;
  }

  & .hero__excerpt {
    font-size: 0.88rem;
    font-weight: 300;
    line-height: 1.75;
    color: rgba(248,248,248,0.6);
    margin-bottom: 1.5rem;
    max-width: 460px;
    font-family: var(--font-body);
    opacity: 0;
    transform: translateY(10px);
    animation: fadeUp 0.65s 0.5s var(--ease) forwards;
  }

  & .hero__meta {
    font-size: 0.65rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(248,248,248,0.55);
    font-family: var(--font-body);
    margin-bottom: 1.75rem;
    opacity: 0;
    transform: translateY(8px);
    animation: fadeUp 0.65s 0.62s var(--ease) forwards;
  }

  & .hero__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--black);
    background: var(--orange);
    padding: 0.85rem 1.75rem;
    font-family: var(--font-body);
    transition: background 0.22s ease, transform 0.22s ease;
    opacity: 0;
    transform: translateY(8px);
    animation: fadeUp 0.65s 0.74s var(--ease) forwards;

    &:hover {
      background: var(--orange2);
      transform: translateY(-2px);

      & svg { transform: translateX(3px); }
    }

    & svg {
      width: 12px;
      height: 12px;
      transition: transform 0.2s ease;
    }
  }
}

/* ─────────────────────────────────────────────
   POSTS GRID
───────────────────────────────────────────── */
.posts-section {
  padding: 5rem 2.5rem 7rem;

  @media (max-width: 640px) { padding: 3.5rem 1.5rem 5rem; }

  & .posts-label {
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 2rem;
  }

  & .posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2px;

    @media (max-width: 640px) { grid-template-columns: 1fr; }
  }
}

.post-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/2;
  background: var(--gray);

  &:hover {
    & .post-card__img    { transform: scale(1.05); filter: grayscale(0%); }
    & .post-card__overlay { opacity: 1; }
    & .post-card__info   { transform: translateY(0); opacity: 1; }
  }

  & .post-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(30%);
    transition: transform 0.6s var(--ease), filter 0.5s ease;
  }

  & .post-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(13,13,13,0.82) 0%, transparent 55%);
    opacity: 0;
    transition: opacity 0.38s ease;

    @media (max-width: 640px) { opacity: 1; }
  }

  & .post-card__info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.25rem 1.5rem 1.5rem;
    transform: translateY(5px);
    opacity: 0;
    transition: all 0.38s var(--ease);

    @media (max-width: 640px) { opacity: 1; transform: none; }
  }

  & .post-card__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--white);
    line-height: 1.05;
  }

  & .post-card__date {
    font-size: 0.62rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--orange);
    font-family: var(--font-body);
    margin-top: 0.35rem;
  }
}

/* ─────────────────────────────────────────────
   PAGE / SINGLE HERO
───────────────────────────────────────────── */
.page-hero {
  position: relative;
  height: 72vh;
  min-height: 460px;
  overflow: hidden;

  & .page-hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
  }

  & .page-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(13,13,13,0.88) 0%, rgba(13,13,13,0.10) 55%);
  }

  & .page-hero__content {
    position: absolute;
    bottom: 3rem;
    left: 2.5rem;
    max-width: 820px;

    @media (max-width: 640px) { left: 1.5rem; bottom: 2rem; }
  }

  & .page-hero__tag {
    display: inline-block;
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--orange);
    font-family: var(--font-body);
    margin-bottom: 0.7rem;
  }

  & .page-hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5.5vw, 5rem);
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--white);
    line-height: 1;
  }
}

/* ─────────────────────────────────────────────
   POST CONTENT
───────────────────────────────────────────── */
.post-content-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem 8rem;

  @media (max-width: 640px) { padding: 3rem 1.25rem 5rem; }
}

.post-meta-bar {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(248,248,248,0.55);
  font-family: var(--font-body);
  margin-bottom: 3.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(248,248,248,0.07);

  & .sep {
    width: 3px;
    height: 3px;
    background: var(--orange);
    border-radius: 50%;
    flex-shrink: 0;
  }
}

.entry-content {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.85;
  color: rgba(248,248,248,0.75);

  & p            { margin-bottom: 1.6em; }
  & h2 {
    font-family: var(--font-display);
    font-size: 2.2rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--white);
    margin: .5em 0 0.5em;
    line-height: 2.8rem;
  }
  & h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--white);
    margin: 2em 0 0.4em;
    line-height: 2.4rem;
  }
  & a {
    color: var(--orange);
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;

    &:hover { border-color: var(--orange); }
  }
  & img       { width: 100%; margin: 2.5em 0; }
  & blockquote {
    border-left: 2px solid var(--orange);
    padding: 0.5rem 0 0.5rem 2rem;
    margin: 2em 0;
    font-size: 1.2rem;
    color: rgba(248,248,248,0.5);
    font-style: italic;
  }
}

nav {
  &.post-navigation {
    display: flex;
    justify-content: space-between;
    span {
      &:hover {
        color: var(--orange);
        border-color: var(--orange);
      }
    }
  }
}

/* ─────────────────────────────────────────────
   ARCHIVE
───────────────────────────────────────────── */
.archive-header {
  padding: 9rem 2.5rem 3rem;
  border-bottom: 1px solid rgba(248,248,248,0.07);
  margin-bottom: 0;

  @media (max-width: 640px) { padding: 8rem 1.5rem 2.5rem; }

  & h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 7rem);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--white);
    line-height: 1;

    & em { color: var(--orange); font-style: normal; }
  }
}

/* ─────────────────────────────────────────────
   UTILS
───────────────────────────────────────────── */
.screen-reader-text {
  clip-path: inset(50%);
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  white-space: nowrap;
  word-break: normal;
}

.alignleft   { float: left;  margin: 0 2em 1em 0; }
.alignright  { float: right; margin: 0 0 1em 2em; }
.aligncenter { margin: auto; display: block; }
.wp-caption-text { font-size: 0.75rem; color: rgba(248,248,248,0.55); margin-top: 0.4rem; }

/* ─────────────────────────────────────────────
   REDUCED MOTION — WCAG 2.3.3
───────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero {
    & .hero__bg { transform: scale(1) !important; transition: none !important; }
    & .hero__tag,
    & .hero__title,
    & .hero__excerpt,
    & .hero__meta,
    & .hero__cta { opacity: 1; transform: none; animation: none; }
  }

  .nav-overlay {
    transition: visibility 0s;
    &.is-open { transition: none; }
  }
}