:root {
      --bg: #f4f7f6;
      --bg-soft: #e8f0ee;
      --surface: #ffffff;
      --ink: #12201d;
      --ink-soft: #3d524c;
      --muted: #5f736c;
      --line: #c9d8d3;
      --brand: #0f766e;
      --brand-deep: #0a5c56;
      --accent: #ea580c;
      --accent-soft: #fff4ec;
      --sky: #dbeafe;
      --glow: rgba(15, 118, 110, 0.14);
      --radius: 18px;
      --shadow: 0 18px 50px rgba(18, 32, 29, 0.08);
      --font: "Outfit", system-ui, sans-serif;
      --display: "Syne", "Outfit", sans-serif;
      --max: 1120px;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font);
      color: var(--ink);
      background:
        radial-gradient(1200px 500px at 10% -10%, #d9f5ef 0%, transparent 55%),
        radial-gradient(900px 420px at 95% 8%, #ffe8d6 0%, transparent 50%),
        linear-gradient(180deg, #f7faf9 0%, var(--bg) 35%, #eef4f2 100%);
      line-height: 1.65;
      overflow-x: hidden;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; }
    button { font: inherit; cursor: pointer; border: 0; background: none; }

    .skip-link {
      position: absolute;
      left: -999px;
      top: 0;
      background: var(--brand);
      color: #fff;
      padding: 0.75rem 1rem;
      z-index: 100;
    }
    .skip-link:focus { left: 1rem; top: 1rem; }
    .anchor-target {
      display: block;
      position: relative;
      top: -5rem;
      height: 0;
      width: 0;
      overflow: hidden;
      visibility: hidden;
      pointer-events: none;
    }

    .wrap {
      width: min(var(--max), calc(100% - 2rem));
      margin-inline: auto;
    }

    /* Nav */
    .nav {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(14px);
      background: rgba(244, 247, 246, 0.82);
      border-bottom: 1px solid rgba(201, 216, 211, 0.7);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      min-height: 4.25rem;
    }
    .logo {
      font-family: var(--display);
      font-weight: 800;
      font-size: 1.15rem;
      letter-spacing: -0.03em;
      display: inline-flex;
      align-items: center;
      gap: 0.55rem;
    }
    .logo-mark {
      width: 2rem;
      height: 2rem;
      border-radius: 0.7rem;
      background: linear-gradient(145deg, var(--brand), #14b8a6);
      display: grid;
      place-items: center;
      color: #fff;
      font-size: 0.85rem;
      box-shadow: 0 8px 20px var(--glow);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0.35rem 1.1rem;
      list-style: none;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--ink-soft);
    }
    .nav-links a:hover { color: var(--brand-deep); }
    .nav-cta {
      display: inline-flex;
      align-items: center;
      padding: 0.65rem 1rem;
      border-radius: 999px;
      background: var(--brand);
      color: #fff;
      font-weight: 600;
      font-size: 0.9rem;
      transition: transform 0.2s ease, background 0.2s ease;
    }
    .nav-cta:hover { background: var(--brand-deep); transform: translateY(-1px); }
    .menu-btn {
      display: none;
      width: 2.5rem;
      height: 2.5rem;
      border-radius: 0.75rem;
      border: 1px solid var(--line);
      background: var(--surface);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 4px;
    }
    .menu-btn span {
      width: 1.1rem;
      height: 2px;
      background: var(--ink);
      border-radius: 2px;
    }

    /* Hero */
    .hero {
      position: relative;
      min-height: min(78vh, 680px);
      display: grid;
      align-items: center;
      padding: 6rem 0 4.5rem;
      overflow: hidden;
      background: #0b1f2a;
    }
    .hero-media {
      position: absolute;
      inset: 0;
      z-index: 0;
      margin: 0;
    }
    .hero-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center center;
      display: block;
    }
    .hero-shade {
      position: absolute;
      inset: 0;
      z-index: 1;
      pointer-events: none;
      background:
        linear-gradient(105deg, rgba(7, 24, 32, 0.9) 0%, rgba(7, 24, 32, 0.62) 38%, rgba(7, 24, 32, 0.22) 72%, rgba(7, 24, 32, 0.08) 100%),
        linear-gradient(to top, #f4f7f6 0%, rgba(244, 247, 246, 0) 14%);
    }
    .hero-grid {
      position: relative;
      z-index: 2;
      display: grid;
      gap: 1.25rem;
      max-width: 640px;
      color: #fff;
      text-shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
      padding-bottom: 0.5rem;
    }
    .hero .hero-brand {
      font-family: var(--display);
      font-weight: 800;
      font-size: clamp(3rem, 8vw, 5.6rem);
      line-height: 0.95;
      letter-spacing: -0.045em;
      text-wrap: balance;
      color: #fff;
      animation: riseIn 0.8s ease both;
    }
    .hero h1 {
      font-family: var(--display);
      font-size: clamp(1.35rem, 3.2vw, 2rem);
      font-weight: 700;
      line-height: 1.25;
      letter-spacing: -0.02em;
      max-width: 20ch;
      color: #fff;
      animation: riseIn 0.9s ease 0.08s both;
    }
    .hero-grid > p:not(.hero-brand) {
      font-size: 1.08rem;
      color: rgba(255, 255, 255, 0.92);
      max-width: 42ch;
      animation: riseIn 1s ease 0.16s both;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      margin-top: 0.5rem;
      animation: riseIn 1.05s ease 0.24s both;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.4rem;
      padding: 0.9rem 1.25rem;
      border-radius: 999px;
      font-weight: 700;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn-primary {
      background: #fff;
      color: var(--brand-deep);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
    }
    .btn-ghost {
      background: rgba(255, 255, 255, 0.12);
      color: #fff;
      border: 1px solid rgba(255, 255, 255, 0.35);
    }
    .orbit {
      position: absolute;
      right: -4%;
      top: 18%;
      width: min(42vw, 420px);
      aspect-ratio: 1;
      border-radius: 50%;
      border: 1px dashed rgba(255, 255, 255, 0.28);
      z-index: 1;
      animation: spinSlow 28s linear infinite;
      pointer-events: none;
    }
    .orbit::before,
    .orbit::after {
      content: "";
      position: absolute;
      border-radius: 50%;
      background: #fff;
    }
    .orbit::before {
      width: 14px; height: 14px; top: 12%; left: 48%;
      box-shadow: 0 0 0 8px rgba(255, 255, 255, 0.12);
    }
    .orbit::after {
      width: 10px; height: 10px; bottom: 18%; right: 20%;
      background: #fdba74;
    }
    @keyframes spinSlow { to { transform: rotate(360deg); } }
    @keyframes riseIn {
      from { opacity: 0; transform: translateY(18px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* Sections */
    section { padding: 4.5rem 0; }
    .section-head {
      max-width: 640px;
      margin-bottom: 2rem;
    }
    .section-head .eyebrow {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--brand);
      margin-bottom: 0.65rem;
    }
    .section-head h2 {
      font-family: var(--display);
      font-size: clamp(1.8rem, 3.5vw, 2.6rem);
      line-height: 1.15;
      letter-spacing: -0.03em;
      margin-bottom: 0.75rem;
    }
    .section-head p { color: var(--muted); font-size: 1.05rem; }

    .intro-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 2rem;
      align-items: start;
    }
    .prose { color: var(--ink-soft); }
    .prose p + p { margin-top: 1rem; }
    .prose strong { color: var(--ink); font-weight: 700; }
    .stat-stack {
      display: grid;
      gap: 1rem;
      padding: 1.5rem;
      border-radius: var(--radius);
      background:
        linear-gradient(160deg, rgba(255,255,255,0.95), rgba(232,240,238,0.9)),
        var(--surface);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }
    .stat-stack div {
      padding-bottom: 1rem;
      border-bottom: 1px solid var(--line);
    }
    .stat-stack div:last-child {
      padding-bottom: 0;
      border-bottom: 0;
    }
    .stat-stack strong {
      display: block;
      font-family: var(--display);
      font-size: 1.55rem;
      letter-spacing: -0.03em;
      color: var(--brand-deep);
    }
    .stat-stack span { color: var(--muted); font-size: 0.95rem; }

    /* Series */
    .series-list {
      display: grid;
      gap: 1.25rem;
    }
    .series-item {
      display: grid;
      grid-template-columns: 220px 1fr;
      gap: 1.35rem;
      align-items: center;
      padding: 1.35rem 0;
      border-top: 1px solid var(--line);
    }
    .series-item:last-child { border-bottom: 1px solid var(--line); }
    .series-media {
      margin: 0;
      border-radius: 14px;
      overflow: hidden;
      border: 1px solid var(--line);
      background: var(--bg-soft);
      aspect-ratio: 16 / 10;
    }
    .series-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .series-num {
      font-family: var(--display);
      font-size: 2rem;
      font-weight: 800;
      color: var(--brand);
      letter-spacing: -0.04em;
      line-height: 1;
      margin-bottom: 0.35rem;
    }
    .series-item h3 {
      font-family: var(--display);
      font-size: 1.35rem;
      letter-spacing: -0.02em;
      margin-bottom: 0.4rem;
    }
    .series-item p { color: var(--ink-soft); }

    /* Rules */
    .rules-panel {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1.5rem;
    }
    .rule-block {
      padding: 1.5rem 0;
    }
    .rule-block h3 {
      font-family: var(--display);
      font-size: 1.25rem;
      margin-bottom: 0.55rem;
      letter-spacing: -0.02em;
    }
    .rule-block p,
    .rule-block li { color: var(--ink-soft); }
    .rule-block ul {
      margin-top: 0.75rem;
      padding-left: 1.1rem;
      display: grid;
      gap: 0.45rem;
    }
    .controls-table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 1rem;
      font-size: 0.95rem;
    }
    .controls-table th,
    .controls-table td {
      text-align: left;
      padding: 0.85rem 0.75rem;
      border-bottom: 1px solid var(--line);
    }
    .controls-table th {
      color: var(--muted);
      font-weight: 600;
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }
    .controls-table td:first-child { font-weight: 600; color: var(--ink); }

    /* Tips articles */
    .articles {
      display: grid;
      gap: 2.5rem;
    }
    article.tip {
      scroll-margin-top: 5rem;
    }
    article.tip h3 {
      font-family: var(--display);
      font-size: clamp(1.4rem, 2.5vw, 1.85rem);
      letter-spacing: -0.025em;
      margin-bottom: 0.75rem;
    }
    article.tip .meta {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem 1rem;
      color: var(--muted);
      font-size: 0.88rem;
      margin-bottom: 1rem;
    }
    article.tip .meta span {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
    }
    .tip-body {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 1.75rem;
      align-items: start;
    }
    .callout {
      padding: 1.25rem 1.35rem;
      border-left: 3px solid var(--accent);
      background: linear-gradient(90deg, var(--accent-soft), transparent);
      color: var(--ink-soft);
    }
    .callout strong {
      display: block;
      color: var(--ink);
      margin-bottom: 0.35rem;
      font-family: var(--display);
      letter-spacing: -0.02em;
    }
    .checklist {
      list-style: none;
      display: grid;
      gap: 0.7rem;
      margin-top: 1rem;
    }
    .checklist li {
      position: relative;
      padding-left: 1.7rem;
      color: var(--ink-soft);
    }
    .checklist li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.45rem;
      width: 0.85rem;
      height: 0.85rem;
      border-radius: 0.25rem;
      background: var(--brand);
      box-shadow: inset 0 0 0 2px rgba(255,255,255,0.35);
    }

    /* Advanced band */
    .band {
      background:
        linear-gradient(135deg, rgba(15, 118, 110, 0.08), rgba(234, 88, 12, 0.06)),
        var(--bg-soft);
      border-block: 1px solid var(--line);
    }
    .technique-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }
    .technique h3 {
      font-family: var(--display);
      font-size: 1.2rem;
      margin-bottom: 0.55rem;
      letter-spacing: -0.02em;
    }
    .technique p { color: var(--ink-soft); }

    /* FAQ */
    .faq-list {
      display: grid;
      gap: 0.75rem;
      max-width: 820px;
    }
    details {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 14px;
      padding: 1rem 1.15rem;
      transition: box-shadow 0.2s ease;
    }
    details[open] { box-shadow: var(--shadow); }
    summary {
      cursor: pointer;
      font-weight: 700;
      list-style: none;
      display: flex;
      justify-content: space-between;
      gap: 1rem;
      align-items: center;
    }
    summary::-webkit-details-marker { display: none; }
    summary::after {
      content: "+";
      font-size: 1.25rem;
      color: var(--brand);
      font-weight: 500;
    }
    details[open] summary::after { content: "–"; }
    details p {
      margin-top: 0.75rem;
      color: var(--ink-soft);
      padding-right: 1.5rem;
    }

    /* Footer */
    footer {
      padding: 3rem 0 2.5rem;
      border-top: 1px solid var(--line);
      color: var(--muted);
    }
    .footer-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 1.5rem;
      margin-bottom: 2rem;
    }
    .footer-brand {
      font-family: var(--display);
      font-weight: 800;
      color: var(--ink);
      font-size: 1.15rem;
      margin-bottom: 0.4rem;
    }
    .footer-nav {
      display: flex;
      flex-wrap: wrap;
      gap: 0.85rem 1.25rem;
      list-style: none;
      font-weight: 500;
      color: var(--ink-soft);
    }
    .footer-nav a:hover { color: var(--brand); }
    .footer-meta {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 0.75rem;
      font-size: 0.9rem;
      padding-top: 1.25rem;
      border-top: 1px solid var(--line);
    }

    .toc {
      display: flex;
      flex-wrap: wrap;
      gap: 0.55rem;
      margin: 2rem 0 0;
    }
    .toc a {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--brand-deep);
      background: rgba(15, 118, 110, 0.08);
      padding: 0.45rem 0.8rem;
      border-radius: 999px;
      transition: background 0.2s ease;
    }
    .toc a:hover { background: rgba(15, 118, 110, 0.16); }

    @media (max-width: 900px) {
      .intro-grid,
      .rules-panel,
      .tip-body,
      .technique-grid { grid-template-columns: 1fr; }
      .orbit { opacity: 0.35; width: 260px; top: 8%; right: -12%; }
      .nav-links, .nav-cta { display: none; }
      .menu-btn { display: inline-flex; }
      .nav.open .nav-links {
        display: flex;
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
        background: rgba(255,255,255,0.96);
        border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow);
      }
      .nav.open .nav-cta {
        display: inline-flex;
        margin: 0.5rem 1rem 1rem;
        justify-content: center;
      }
      .series-item { grid-template-columns: 1fr; }
      .series-media { max-width: 360px; }
      .hero-media img { object-position: 60% center; }
    }

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


    /* Multi-page helpers */
    .page-hero {
      padding: 3.5rem 0 1.5rem;
    }
    .page-hero h1 {
      font-family: var(--display);
      font-size: clamp(1.9rem, 4vw, 2.8rem);
      letter-spacing: -0.035em;
      line-height: 1.15;
      margin-bottom: 0.75rem;
    }
    .page-hero p { color: var(--muted); max-width: 56ch; font-size: 1.05rem; }
    .nav-links a[aria-current="page"] { color: var(--brand-deep); font-weight: 700; }
    .article-list { display: grid; gap: 1.25rem; }
    .article-card {
      display: grid;
      grid-template-columns: 220px 1fr;
      gap: 1.25rem;
      align-items: center;
      padding: 1.35rem 0;
      border-top: 1px solid var(--line);
    }
    .article-card:last-child { border-bottom: 1px solid var(--line); }
    .article-card-media {
      margin: 0;
      border-radius: 14px;
      overflow: hidden;
      border: 1px solid var(--line);
      aspect-ratio: 16 / 10;
      background: var(--bg-soft);
    }
    .article-card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .article-card-body { display: grid; gap: 0.55rem; }
    .article-card h3 {
      font-family: var(--display);
      font-size: 1.35rem;
      letter-spacing: -0.02em;
    }
    .article-card h3 a:hover { color: var(--brand-deep); }
    .article-card .meta {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem 1rem;
      color: var(--muted);
      font-size: 0.88rem;
    }
    .article-card p { color: var(--ink-soft); }
    .article-card .read-more {
      font-weight: 700;
      color: var(--brand);
      font-size: 0.95rem;
    }
    .article-card .read-more:hover { color: var(--brand-deep); }
    .home-articles-more {
      margin-top: 1.5rem;
      display: flex;
      justify-content: flex-start;
    }

    .visual-panel {
      margin: 0;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      background: var(--surface);
    }
    .visual-panel img {
      width: 100%;
      height: auto;
      display: block;
    }
    .section-visual {
      margin: 0 0 2rem;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--line);
    }
    .section-visual img {
      width: 100%;
      height: auto;
      display: block;
    }
    .article-cover {
      margin: 0 0 1.5rem;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--line);
      aspect-ratio: 16 / 8;
      background: var(--bg-soft);
    }
    .article-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .about-visual-stack {
      display: grid;
      gap: 1rem;
    }

    .shot-gallery {
      padding: 0 0 4.5rem;
    }
    .shot-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
    }
    .shot-grid figure {
      margin: 0;
      border-radius: 16px;
      overflow: hidden;
      border: 1px solid var(--line);
      background: #0b1f2a;
      box-shadow: var(--shadow);
      aspect-ratio: 16 / 9;
    }
    .shot-grid img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
    .shot-caption {
      margin-top: 0.85rem;
      color: var(--muted);
      font-size: 0.9rem;
    }
    .series-covers {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1rem;
      margin-top: 1.5rem;
    }
    .series-covers a {
      display: grid;
      gap: 0.65rem;
      text-align: center;
      font-weight: 700;
      color: var(--ink-soft);
    }
    .series-covers a:hover { color: var(--brand-deep); }
    .series-covers img {
      width: 100%;
      aspect-ratio: 1;
      object-fit: cover;
      border-radius: 16px;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      background: #0b1f2a;
    }

    @media (max-width: 900px) {
      .article-card { grid-template-columns: 1fr; }
      .article-card-media { max-width: 420px; }
      .shot-grid { grid-template-columns: 1fr; }
      .series-covers { grid-template-columns: repeat(2, 1fr); }
      .hero-media img { object-position: 60% center; }
    }