:root {
      --ph-ink: #142233;
      --ph-navy: #071827;
      --ph-navy-2: #102b42;
      --ph-harbor: #2f6f89;
      --ph-brass: #bc8b45;
      --ph-brass-light: #e5c68f;
      --ph-paper: #f7f4ed;
      --ph-white: #fff;
      --ph-muted: #607080;
      --ph-line: #d9dfdf;
      --ph-shadow: 0 18px 45px rgba(7, 24, 39, .12);
      --ph-radius: 18px;
      --ph-container: 1180px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ph-ink);
      background: var(--ph-white);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 17px;
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    body.menu-open { overflow: hidden; }
    img { display: block; width: 100%; height: auto; }
    a { color: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    .ph-container { width: min(calc(100% - 40px), var(--ph-container)); margin-inline: auto; }
    .ph-section { padding: 92px 0; }
    .ph-section--paper { background: var(--ph-paper); }
    .ph-section--navy { color: var(--ph-white); background: var(--ph-navy); }
    .ph-section--compact { padding: 62px 0; }
    .ph-eyebrow {
      margin: 0 0 12px;
      color: var(--ph-brass);
      font-size: .76rem;
      font-weight: 800;
      letter-spacing: .16em;
      line-height: 1.3;
      text-transform: uppercase;
    }
    .ph-heading {
      max-width: 760px;
      margin: 0;
      color: var(--ph-ink);
      font-family: Georgia, "Times New Roman", serif;
      font-size: clamp(2.15rem, 5vw, 4rem);
      font-weight: 600;
      letter-spacing: -.035em;
      line-height: 1.03;
    }
    .ph-section--navy .ph-heading { color: var(--ph-white); }
    .ph-heading--small { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
    .ph-lead {
      max-width: 760px;
      margin: 22px 0 0;
      color: var(--ph-muted);
      font-size: clamp(1.05rem, 2vw, 1.22rem);
    }
    .ph-section--navy .ph-lead { color: #c5d0d9; }
    .ph-section-head { margin-bottom: 46px; }
    .ph-button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
    .ph-button {
      display: inline-flex;
      min-height: 50px;
      align-items: center;
      justify-content: center;
      padding: 12px 21px;
      border: 1px solid var(--ph-brass);
      border-radius: 999px;
      color: var(--ph-navy);
      background: var(--ph-brass-light);
      font-size: .92rem;
      font-weight: 800;
      line-height: 1.2;
      text-decoration: none;
      transition: transform .2s ease, background-color .2s ease, border-color .2s ease;
    }
    .ph-button:hover { transform: translateY(-2px); background: #efd8af; }
    .ph-button--ghost {
      border-color: rgba(255,255,255,.55);
      color: var(--ph-white);
      background: rgba(255,255,255,.07);
    }
    .ph-button--ghost:hover { background: rgba(255,255,255,.15); }
    .ph-text-link {
      color: var(--ph-harbor);
      font-weight: 800;
      text-underline-offset: 4px;
    }
    .ph-skip {
      position: fixed;
      z-index: 1000;
      top: 12px;
      left: 12px;
      padding: 10px 14px;
      border-radius: 6px;
      color: var(--ph-white);
      background: var(--ph-navy);
      transform: translateY(-150%);
    }
    .ph-skip:focus { transform: translateY(0); }

    .ph-header {
      position: sticky;
      z-index: 100;
      top: 0;
      border-bottom: 1px solid rgba(20, 34, 51, .09);
      background: rgba(255,255,255,.96);
      backdrop-filter: blur(12px);
    }
    .ph-header__inner {
      display: flex;
      min-height: 76px;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }
    .ph-brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: var(--ph-navy);
      font-family: Georgia, "Times New Roman", serif;
      font-size: 1.32rem;
      font-weight: 700;
      text-decoration: none;
      white-space: nowrap;
    }
    .ph-brand__mark {
      display: grid;
      width: 38px;
      height: 38px;
      place-items: center;
      border: 1px solid #b8c4cb;
      border-radius: 50%;
      color: var(--ph-brass);
      font-family: Inter, sans-serif;
      font-size: .68rem;
      letter-spacing: .08em;
    }
    .ph-nav { display: flex; align-items: center; gap: 5px; }
    .ph-nav a {
      padding: 9px 11px;
      border-radius: 9px;
      color: #334657;
      font-size: .88rem;
      font-weight: 700;
      text-decoration: none;
    }
    .ph-nav a:hover, .ph-nav a:focus-visible { color: var(--ph-navy); background: #edf1f2; }
    .ph-nav .ph-nav__tour { margin-left: 6px; color: var(--ph-white); background: var(--ph-navy); }
    .ph-nav .ph-nav__tour:hover { color: var(--ph-white); background: var(--ph-navy-2); }
    .ph-menu {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--ph-line);
      border-radius: 10px;
      color: var(--ph-navy);
      background: var(--ph-white);
      font: inherit;
      font-weight: 800;
    }

    .ph-hero {
      position: relative;
      display: grid;
      min-height: 720px;
      align-items: end;
      overflow: hidden;
      color: var(--ph-white);
      background:
        linear-gradient(90deg, rgba(3,16,28,.92) 0%, rgba(3,16,28,.68) 52%, rgba(3,16,28,.18) 100%),
        linear-gradient(0deg, rgba(3,16,28,.72), transparent 45%),
        url("../images/battleship-Missouri-scaled.webp") center 42% / cover no-repeat;
    }
    .ph-hero__content { position: relative; z-index: 2; max-width: 760px; padding: 145px 0 96px; }
    .ph-hero .ph-eyebrow { color: var(--ph-brass-light); }
    .ph-hero h1 {
      margin: 0;
      font-family: Georgia, "Times New Roman", serif;
      font-size: clamp(3rem, 7.8vw, 6.4rem);
      font-weight: 600;
      letter-spacing: -.055em;
      line-height: .94;
      text-wrap: balance;
    }
    .ph-hero__intro {
      max-width: 680px;
      margin: 26px 0 0;
      color: #e8edf0;
      font-size: clamp(1.05rem, 2vw, 1.3rem);
      line-height: 1.55;
    }
    .ph-hero__note {
      display: flex;
      align-items: center;
      gap: 10px;
      margin: 24px 0 0;
      color: #c9d5dc;
      font-size: .88rem;
    }
    .ph-hero__note::before { content: ""; width: 26px; height: 1px; background: var(--ph-brass-light); }

    .ph-facts {
      position: relative;
      z-index: 5;
      margin-top: -40px;
    }
    .ph-facts__grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      border: 1px solid rgba(20,34,51,.1);
      border-radius: var(--ph-radius);
      background: var(--ph-white);
      box-shadow: var(--ph-shadow);
      overflow: hidden;
    }
    .ph-fact { min-height: 126px; padding: 25px 27px; border-right: 1px solid var(--ph-line); }
    .ph-fact:last-child { border-right: 0; }
    .ph-fact__label {
      display: block;
      margin-bottom: 6px;
      color: var(--ph-brass);
      font-size: .7rem;
      font-weight: 900;
      letter-spacing: .13em;
      text-transform: uppercase;
    }
    .ph-fact strong { display: block; color: var(--ph-navy); font-size: 1.04rem; line-height: 1.35; }
    .ph-fact span:last-child { color: var(--ph-muted); font-size: .87rem; line-height: 1.35; }

    .ph-intro-grid { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 76px; }
    .ph-intro-image { position: relative; }
    .ph-intro-image img { aspect-ratio: 4 / 5; border-radius: var(--ph-radius); object-fit: cover; box-shadow: var(--ph-shadow); }
    .ph-intro-image figcaption {
      position: absolute;
      right: -22px;
      bottom: 24px;
      max-width: 270px;
      padding: 17px 19px;
      border-radius: 12px;
      color: var(--ph-white);
      background: var(--ph-navy);
      font-size: .82rem;
      line-height: 1.45;
      box-shadow: var(--ph-shadow);
    }
    .ph-checklist { display: grid; gap: 16px; margin: 28px 0 0; padding: 0; list-style: none; }
    .ph-checklist li { position: relative; padding-left: 30px; }
    .ph-checklist li::before {
      content: "";
      position: absolute;
      top: .52em;
      left: 0;
      width: 9px;
      height: 9px;
      border: 4px solid #dbe8eb;
      border-radius: 50%;
      background: var(--ph-harbor);
    }

    .ph-site-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .ph-site-card {
      position: relative;
      min-height: 450px;
      border-radius: var(--ph-radius);
      overflow: hidden;
      box-shadow: var(--ph-shadow);
      isolation: isolate;
    }
    .ph-site-card::after {
      content: "";
      position: absolute;
      z-index: -1;
      inset: 0;
      background: linear-gradient(0deg, rgba(3,16,28,.94) 0%, rgba(3,16,28,.42) 54%, rgba(3,16,28,.05) 100%);
    }
    .ph-site-card img { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
    .ph-site-card:hover img { transform: scale(1.025); }
    .ph-site-card__content { position: absolute; inset: auto 0 0; padding: 34px; color: var(--ph-white); }
    .ph-site-card__meta { margin: 0 0 8px; color: var(--ph-brass-light); font-size: .72rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
    .ph-site-card h3 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.65rem, 3vw, 2.25rem); line-height: 1.05; }
    .ph-site-card p { max-width: 500px; margin: 12px 0 18px; color: #d9e1e6; font-size: .93rem; line-height: 1.55; }
    .ph-site-card a { color: var(--ph-white); font-size: .86rem; font-weight: 900; text-underline-offset: 5px; }

    .ph-choice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
    .ph-choice {
      position: relative;
      display: flex;
      min-height: 100%;
      flex-direction: column;
      padding: 31px;
      border: 1px solid rgba(255,255,255,.13);
      border-radius: var(--ph-radius);
      background: rgba(255,255,255,.055);
    }
    .ph-choice--featured { border-color: rgba(188,139,69,.72); background: linear-gradient(145deg, rgba(188,139,69,.18), rgba(255,255,255,.05)); }
    .ph-choice__tag { margin: 0 0 14px; color: var(--ph-brass-light); font-size: .7rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
    .ph-choice h3 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 1.7rem; line-height: 1.1; }
    .ph-choice p { margin: 15px 0; color: #c7d2da; font-size: .94rem; }
    .ph-choice ul { display: grid; gap: 9px; margin: 2px 0 28px; padding-left: 20px; color: #e0e7eb; font-size: .9rem; }
    .ph-choice .ph-button { width: 100%; margin-top: auto; }
    .ph-choice__fine { display: block; margin-top: 12px; color: #9fb0bc; font-size: .72rem; line-height: 1.45; text-align: center; }

    .ph-itinerary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
    .ph-itinerary {
      padding: 32px;
      border: 1px solid var(--ph-line);
      border-radius: var(--ph-radius);
      background: var(--ph-white);
    }
    .ph-itinerary__time { display: inline-block; margin-bottom: 20px; padding: 6px 11px; border-radius: 999px; color: #194d61; background: #dcebef; font-size: .72rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
    .ph-itinerary h3 { margin: 0 0 16px; font-family: Georgia, "Times New Roman", serif; font-size: 1.65rem; line-height: 1.15; }
    .ph-itinerary ol { margin: 0; padding-left: 21px; }
    .ph-itinerary li { margin-bottom: 11px; padding-left: 5px; color: var(--ph-muted); font-size: .92rem; }
    .ph-itinerary strong { color: var(--ph-ink); }

    .ph-plan-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: plan; }
    .ph-plan-step { position: relative; padding: 0 29px; border-left: 1px solid rgba(255,255,255,.17); counter-increment: plan; }
    .ph-plan-step:first-child { padding-left: 0; border-left: 0; }
    .ph-plan-step::before {
      content: "0" counter(plan);
      display: block;
      margin-bottom: 18px;
      color: var(--ph-brass-light);
      font-family: Georgia, "Times New Roman", serif;
      font-size: 2.25rem;
      line-height: 1;
    }
    .ph-plan-step h3 { margin: 0 0 10px; font-size: 1rem; }
    .ph-plan-step p { margin: 0; color: #bdcad2; font-size: .87rem; }
    .ph-plan-step a { color: var(--ph-white); font-weight: 800; text-underline-offset: 4px; }

    .ph-story-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 70px; }
    .ph-story-images { position: relative; min-height: 520px; }
    .ph-story-images img { position: absolute; border-radius: var(--ph-radius); object-fit: cover; box-shadow: var(--ph-shadow); }
    .ph-story-images img:first-child { top: 0; right: 0; width: 80%; height: 78%; }
    .ph-story-images img:last-child { bottom: 0; left: 0; width: 53%; height: 48%; border: 8px solid var(--ph-white); }
    .ph-pullquote { margin: 28px 0 0; padding-left: 22px; border-left: 3px solid var(--ph-brass); color: #425568; font-family: Georgia, "Times New Roman", serif; font-size: 1.15rem; line-height: 1.55; }

    .ph-faq { max-width: 880px; margin-inline: auto; }
    .ph-faq details { border-top: 1px solid var(--ph-line); }
    .ph-faq details:last-child { border-bottom: 1px solid var(--ph-line); }
    .ph-faq summary { display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; font-weight: 850; list-style: none; }
    .ph-faq summary::-webkit-details-marker { display: none; }
    .ph-faq summary::after { content: "+"; color: var(--ph-brass); font-size: 1.5rem; font-weight: 400; }
    .ph-faq details[open] summary::after { content: "−"; }
    .ph-faq details p { max-width: 770px; margin: -4px 0 27px; color: var(--ph-muted); }

    .ph-final {
      position: relative;
      overflow: hidden;
      color: var(--ph-white);
      background:
        linear-gradient(90deg, rgba(4,20,34,.95), rgba(4,20,34,.66)),
        url("../images/uss-arizona-memorial.jpg") center / cover no-repeat;
    }
    .ph-final__inner { position: relative; max-width: 760px; padding: 92px 0; }
    .ph-final h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.35rem, 5vw, 4rem); line-height: 1.02; }
    .ph-final p { max-width: 650px; color: #d9e2e7; font-size: 1.05rem; }

    .ph-footer { padding: 52px 0 28px; color: #c2cdd4; background: #04111d; }
    .ph-footer__grid { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 52px; }
    .ph-footer .ph-brand { color: var(--ph-white); }
    .ph-footer__about { max-width: 350px; margin: 16px 0 0; color: #96a8b4; font-size: .84rem; }
    .ph-footer h2 { margin: 4px 0 14px; color: var(--ph-white); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; }
    .ph-footer ul { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
    .ph-footer a { color: #b7c5ce; font-size: .84rem; text-decoration: none; }
    .ph-footer a:hover { color: var(--ph-white); text-decoration: underline; text-underline-offset: 4px; }
    .ph-footer__bottom {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 30px;
      margin-top: 46px;
      padding-top: 24px;
      border-top: 1px solid rgba(255,255,255,.12);
      color: #7f939f;
      font-size: .75rem;
    }

    @media (max-width: 980px) {
      .ph-nav {
        position: fixed;
        top: 76px;
        right: 0;
        bottom: 0;
        left: 0;
        display: none;
        align-items: stretch;
        flex-direction: column;
        padding: 24px 20px;
        background: var(--ph-white);
      }
      .menu-open .ph-nav { display: flex; }
      .ph-nav a { padding: 14px; font-size: 1rem; }
      .ph-nav .ph-nav__tour { margin: 8px 0 0; text-align: center; }
      .ph-menu { display: inline-grid; place-items: center; }
      .ph-facts__grid { grid-template-columns: repeat(2, 1fr); }
      .ph-fact:nth-child(2) { border-right: 0; }
      .ph-fact:nth-child(-n+2) { border-bottom: 1px solid var(--ph-line); }
      .ph-intro-grid, .ph-story-grid { grid-template-columns: 1fr; gap: 48px; }
      .ph-intro-image { max-width: 680px; }
      .ph-choice-grid, .ph-itinerary-grid { grid-template-columns: 1fr; }
      .ph-plan-grid { grid-template-columns: repeat(2, 1fr); gap: 36px 0; }
      .ph-plan-step:nth-child(3) { padding-left: 0; border-left: 0; }
      .ph-footer__grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 680px) {
      .ph-container { width: min(calc(100% - 28px), var(--ph-container)); }
      .ph-section { padding: 68px 0; }
      .ph-section--compact { padding: 50px 0; }
      .ph-header__inner { min-height: 68px; }
      .ph-brand { font-size: 1.13rem; }
      .ph-brand__mark { width: 34px; height: 34px; }
      .ph-nav { top: 68px; }
      .ph-hero { min-height: 690px; background-position: 61% center; }
      .ph-hero__content { padding: 116px 0 80px; }
      .ph-hero h1 { font-size: clamp(3rem, 15vw, 4.6rem); }
      .ph-button-row { align-items: stretch; flex-direction: column; }
      .ph-button { width: 100%; }
      .ph-facts { margin-top: -26px; }
      .ph-facts__grid { grid-template-columns: 1fr; }
      .ph-fact { min-height: 0; border-right: 0; border-bottom: 1px solid var(--ph-line); }
      .ph-fact:nth-child(3) { border-bottom: 1px solid var(--ph-line); }
      .ph-intro-image { margin: 0; }
      .ph-intro-image figcaption { position: static; max-width: none; margin: -16px 14px 0; }
      .ph-site-grid { grid-template-columns: 1fr; }
      .ph-site-card { min-height: 420px; }
      .ph-site-card__content { padding: 26px; }
      .ph-plan-grid { grid-template-columns: 1fr; }
      .ph-plan-step, .ph-plan-step:first-child, .ph-plan-step:nth-child(3) { padding: 0 0 28px; border-bottom: 1px solid rgba(255,255,255,.17); border-left: 0; }
      .ph-plan-step:last-child { padding-bottom: 0; border-bottom: 0; }
      .ph-story-images { min-height: 390px; }
      .ph-footer__grid { grid-template-columns: 1fr; gap: 32px; }
      .ph-footer__bottom { flex-direction: column; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
    }