:root {
    --navy: #0A0E1A;
    --navy-soft: #121728;
    --navy-card: #161c30;
    --blue: #378ADD;
    --teal: #1D9E75;
    --off-white: #F1EFE8;
    --gray: #888780;
    --line: rgba(241, 239, 232, 0.10);
    --max: 1200px;
  }

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

  html { scroll-behavior: smooth; overflow-x: hidden; }

  body {
    background: var(--navy);
    color: var(--off-white);
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }

  h1, h2, h3, h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.1;
  }

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

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

  ::selection { background: var(--blue); color: var(--off-white); }

  ::-webkit-scrollbar { width: 10px; }
  ::-webkit-scrollbar-track { background: var(--navy); }
  ::-webkit-scrollbar-thumb { background: var(--navy-card); border-radius: 6px; border: 2px solid var(--navy); }
  ::-webkit-scrollbar-thumb:hover { background: var(--blue); }

  .wrap {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 32px;
  }

  /* ---------- Decorative geometry ---------- */
  .grid-lines {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image:
      linear-gradient(rgba(241, 239, 232, 0.025) 1px, transparent 1px),
      linear-gradient(90deg, rgba(241, 239, 232, 0.025) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 70%);
  }

  .glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
    max-width: 100vw;
    max-height: 100vh;
  }

  /* ---------- Navigation ---------- */
  header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    background: rgba(10, 14, 26, 0.55);
    border-bottom: 1px solid transparent;
    transition: border-color .4s ease, background .4s ease;
  }
  header.scrolled {
    border-bottom: 1px solid var(--line);
    background: rgba(10, 14, 26, 0.78);
  }
  nav {
    max-width: var(--max);
    margin: 0 auto;
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .brand {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .brand-badge {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: var(--off-white);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
  }
  .brand-badge img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.35); }
  .brand-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: -0.01em;
  }
  .brand-name span { color: var(--blue); }

  .nav-links {
    display: flex;
    gap: 36px;
    align-items: center;
  }
  .nav-links a {
    font-size: 0.92rem;
    color: var(--gray);
    position: relative;
    transition: color .25s ease;
    padding: 4px 0;
  }
  .nav-links a:hover { color: var(--off-white); }
  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 1px;
    background: var(--blue);
    transition: width .3s ease;
  }
  .nav-links a:hover::after { width: 100%; }

  .nav-cta {
    font-size: 0.88rem;
    font-weight: 500;
    padding: 10px 22px;
    border-radius: 100px;
    background: var(--blue);
    color: var(--navy);
    transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
    white-space: nowrap;
  }
  .nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px -8px rgba(55, 138, 221, 0.6);
    background: var(--teal);
  }

  .nav-toggle { display: none; }

  /* ---------- Hero ---------- */
  .hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
  }
  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.82rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 28px;
    overflow-wrap: break-word;
    word-break: break-word;
    max-width: 100%;
  }
  .hero-eyebrow::before {
    content: '';
    width: 28px; height: 1px;
    background: var(--teal);
  }
  .hero h1 {
    font-size: clamp(2.6rem, 7vw, 5.4rem);
    max-width: 14ch;
    margin-bottom: 28px;
  }
  .hero h1 .accent { color: var(--blue); }
  .hero h1 .accent-teal { color: var(--teal); }
  .hero-sub {
    font-size: clamp(1.05rem, 2vw, 1.35rem);
    color: var(--gray);
    max-width: 56ch;
    font-weight: 300;
    margin-bottom: 44px;
  }
  .hero-sub strong { color: var(--off-white); font-weight: 500; }
  .hero-actions {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    align-items: center;
  }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 17px 34px;
    border-radius: 100px;
    background: var(--off-white);
    color: var(--navy);
    font-weight: 500;
    font-size: 0.98rem;
    transition: transform .3s ease, box-shadow .3s ease, background .3s ease;
  }
  .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 40px -10px rgba(241, 239, 232, 0.35);
    background: var(--blue);
    color: var(--off-white);
  }
  .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 17px 30px;
    border-radius: 100px;
    border: 1px solid var(--line);
    color: var(--off-white);
    font-weight: 400;
    font-size: 0.98rem;
    transition: border-color .3s ease, background .3s ease, transform .3s ease;
  }
  .btn-ghost:hover {
    border-color: var(--teal);
    background: rgba(29, 158, 117, 0.08);
    transform: translateY(-3px);
  }
  .btn-ghost svg, .btn-primary svg { transition: transform .3s ease; }
  .btn-ghost:hover svg, .btn-primary:hover svg { transform: translate(3px, -3px); }

  .hero-tags {
    margin-top: 76px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px 14px;
  }
  .hero-tag {
    font-size: 0.82rem;
    color: var(--gray);
    padding: 9px 18px;
    border: 1px solid var(--line);
    border-radius: 100px;
    letter-spacing: 0.02em;
  }
  .hero-tag b { color: var(--off-white); font-weight: 500; }

  .hero-seal {
    position: absolute;
    right: 7%;
    bottom: 16%;
    width: 136px;
    height: 136px;
    border-radius: 50%;
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: 0 0 0 14px rgba(241, 239, 232, 0.02);
    opacity: 0.9;
    animation: spinSeal 32s linear infinite;
    z-index: 1;
  }
  .hero-seal img { width: 100%; height: 100%; object-fit: cover; }
  @keyframes spinSeal { to { transform: rotate(360deg); } }
  @media (prefers-reduced-motion: reduce) { .hero-seal { animation: none; } }
  @media (max-width: 980px) { .hero-seal { display: none; } }

  .scroll-cue {
    position: absolute;
    bottom: 36px;
    left: 32px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gray);
  }
  .scroll-cue .line {
    width: 1px;
    height: 46px;
    background: linear-gradient(var(--gray), transparent);
    position: relative;
    overflow: hidden;
  }
  .scroll-cue .line::after {
    content: '';
    position: absolute;
    top: -100%; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(var(--teal), transparent);
    animation: scrollDown 2.2s ease-in-out infinite;
  }
  @keyframes scrollDown {
    0% { top: -100%; }
    60%, 100% { top: 100%; }
  }

  /* ---------- Section scaffolding ---------- */
  section { position: relative; z-index: 1; }
  .section { padding: 140px 0; }
  .section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 40px;
    margin-bottom: 80px;
    flex-wrap: wrap;
  }
  .section-num {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    color: var(--blue);
    letter-spacing: 0.16em;
    margin-bottom: 18px;
    display: block;
  }
  .section-head h2 {
    font-size: clamp(2rem, 4.4vw, 3.2rem);
    max-width: 18ch;
  }
  .section-head p {
    color: var(--gray);
    max-width: 42ch;
    font-size: 1.02rem;
    padding-bottom: 6px;
  }

  /* ---------- Reveal animation base ---------- */
  .reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity .8s cubic-bezier(.16,1,.3,1), transform .8s cubic-bezier(.16,1,.3,1);
  }
  .reveal.is-visible { opacity: 1; transform: translateY(0); }
  .reveal-scale { opacity: 0; transform: scale(.94); transition: opacity .9s ease, transform .9s cubic-bezier(.16,1,.3,1); }
  .reveal-scale.is-visible { opacity: 1; transform: scale(1); }

  /* ---------- About ---------- */
  #sobre-nosotros { overflow: hidden; }
  .about-watermark {
    position: absolute;
    top: -60px;
    right: -100px;
    width: 480px;
    max-width: 50vw;
    opacity: 0.05;
    transform: rotate(-9deg);
    pointer-events: none;
    user-select: none;
    z-index: 0;
    overflow: hidden;
  }
  .about-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 80px;
    align-items: start;
  }
  .about-lede {
    font-size: clamp(1.2rem, 2.4vw, 1.55rem);
    color: var(--off-white);
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: 28px;
  }
  .about-lede strong { color: var(--blue); font-weight: 500; }
  .about-body { color: var(--gray); font-size: 1rem; max-width: 62ch; }
  .about-body p + p { margin-top: 18px; }

  .pillars {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--line);
  }
  .pillar {
    padding: 26px 0;
    border-bottom: 1px solid var(--line);
    display: flex;
    gap: 22px;
    align-items: baseline;
    transition: padding-left .35s cubic-bezier(.16,1,.3,1);
  }
  .pillar:hover { padding-left: 12px; }
  .pillar-mark {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    color: var(--teal);
    flex-shrink: 0;
    width: 32px;
  }
  .pillar h4 { font-size: 1.08rem; font-weight: 500; margin-bottom: 6px; }
  .pillar p { color: var(--gray); font-size: 0.92rem; }

  .values-row {
    margin-top: 56px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }
  .value-chip {
    font-size: 0.82rem;
    padding: 10px 20px;
    border-radius: 100px;
    border: 1px solid var(--line);
    color: var(--gray);
    transition: all .3s ease;
  }
  .value-chip:hover {
    color: var(--navy);
    background: var(--off-white);
    border-color: var(--off-white);
    transform: translateY(-2px);
  }

  /* ---------- Services ---------- */
  .audience-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 64px;
  }
  .audience-strip span {
    font-size: 0.8rem;
    color: var(--gray);
    padding: 8px 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
  }

  .service-card {
    border: 1px solid var(--line);
    border-radius: 18px;
    background: linear-gradient(180deg, var(--navy-card) 0%, rgba(22,28,48,0.5) 100%);
    margin-bottom: 18px;
    overflow: hidden;
    transition: border-color .35s ease, transform .35s ease, box-shadow .35s ease;
  }
  .service-card:hover {
    border-color: rgba(55, 138, 221, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 24px 60px -20px rgba(0,0,0,0.5);
  }
  .service-head {
    padding: 34px 38px;
    display: grid;
    grid-template-columns: 56px 1fr auto auto;
    gap: 28px;
    align-items: center;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    min-width: 0;
  }
  .service-head > * { min-width: 0; }
  .service-title { min-width: 0; overflow: hidden; }
  .service-title h3 { overflow-wrap: break-word; word-break: break-word; }
  .service-title p { overflow-wrap: break-word; word-break: break-word; }
  .service-num {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.4rem;
    color: var(--blue);
    font-weight: 600;
  }
  .service-title h3 {
    font-size: 1.35rem;
    font-weight: 500;
    margin-bottom: 6px;
  }
  .service-title p {
    color: var(--gray);
    font-size: 0.92rem;
    max-width: 56ch;
  }
  .service-price {
    text-align: right;
    white-space: nowrap;
  }
  .service-price .label {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 6px;
  }
  .service-price .amount {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.18rem;
    font-weight: 600;
    color: var(--teal);
  }
  .service-toggle {
    width: 40px; height: 40px;
    border-radius: 50%;
    border: 1px solid var(--line);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    transition: transform .4s cubic-bezier(.16,1,.3,1), background .3s ease, border-color .3s ease;
  }
  .service-card.open .service-toggle {
    transform: rotate(45deg);
    background: var(--blue);
    border-color: var(--blue);
  }
  .service-body {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows .5s cubic-bezier(.16,1,.3,1);
  }
  .service-card.open .service-body { grid-template-rows: 1fr; }
  .service-body-inner { overflow: hidden; }
  .service-detail {
    padding: 0 38px 38px;
    border-top: 1px solid var(--line);
    margin-top: 4px;
    padding-top: 30px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 36px;
  }
  .service-detail h5 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 14px;
  }
  .service-detail ul { list-style: none; }
  .service-detail li {
    color: var(--gray);
    font-size: 0.9rem;
    padding: 6px 0;
    display: flex;
    gap: 10px;
  }
  .service-detail li::before {
    content: '';
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--teal);
    margin-top: 9px;
    flex-shrink: 0;
  }
  .service-packages {
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  .package {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    overflow: hidden;
  }
  .package .pname { font-weight: 500; font-size: 0.95rem; overflow-wrap: break-word; word-break: break-word; min-width: 0; }
  .package .prange {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.92rem;
    color: var(--teal);
    white-space: nowrap;
    font-weight: 600;
    flex-shrink: 0;
  }
  .service-note {
    grid-column: 1 / -1;
    color: var(--gray);
    font-size: 0.86rem;
    font-style: italic;
    padding-top: 6px;
    border-top: 1px dashed var(--line);
  }

  /* ---------- Projects ---------- */
  .project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
  .project-card {
    display: block;
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    background: var(--navy-card);
    transition: transform .45s cubic-bezier(.16,1,.3,1), border-color .4s ease, box-shadow .4s ease;
  }
  .project-card:hover {
    transform: translateY(-7px);
    border-color: rgba(55, 138, 221, 0.4);
    box-shadow: 0 28px 64px -22px rgba(0,0,0,0.55);
  }
  .project-media { aspect-ratio: 4 / 3; overflow: hidden; }
  .project-media img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: saturate(0.92) brightness(0.94);
    transition: transform .7s cubic-bezier(.16,1,.3,1), filter .5s ease;
  }
  .project-card:hover .project-media img {
    transform: scale(1.07);
    filter: saturate(1.05) brightness(1);
  }
  .project-info { padding: 28px 30px 32px; }
  .project-tag {
    font-size: 0.74rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--teal);
  }
  .project-info h3 { font-size: 1.28rem; font-weight: 500; margin: 12px 0 10px; }
  .project-info p { color: var(--gray); font-size: 0.92rem; margin-bottom: 20px; }
  .project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--off-white);
  }
  .project-link svg { transition: transform .3s ease; }
  .project-card:hover .project-link svg { transform: translate(3px, -3px); color: var(--blue); }
  .project-note {
    margin-top: 30px;
    color: var(--gray);
    font-size: 0.86rem;
    font-style: italic;
  }

  /* ---------- Method / Contact ---------- */
  .method-strip {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0;
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    margin-top: 24px;
  }
  .method-step {
    padding: 30px 22px;
    border-right: 1px solid var(--line);
    position: relative;
  }
  .method-step:last-child { border-right: none; }
  .method-step .mnum {
    font-family: 'Space Grotesk', sans-serif;
    color: var(--teal);
    font-size: 0.85rem;
    display: block;
    margin-bottom: 14px;
  }
  .method-step h4 { font-size: 0.98rem; font-weight: 500; }

  .contact-section { padding-bottom: 0; }
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
  }
  .contact-lede {
    font-size: clamp(1.6rem, 4vw, 2.6rem);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    margin-bottom: 28px;
    max-width: 14ch;
  }
  .contact-lede .accent { color: var(--blue); }
  .contact-info { display: flex; flex-direction: column; gap: 22px; margin-top: 36px; }
  .contact-row {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
  }
  .contact-row .ico {
    width: 44px; height: 44px;
    border-radius: 12px;
    border: 1px solid var(--line);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    color: var(--blue);
  }
  .contact-row .label { font-size: 0.78rem; color: var(--gray); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 4px; }
  .contact-row .value { font-size: 1.05rem; font-weight: 400; overflow-wrap: break-word; word-break: break-word; }
  .contact-row a.value:hover { color: var(--teal); }
  .social-links { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 14px; }
  .social-links .separator { color: var(--gray); }

  form { display: flex; flex-direction: column; gap: 20px; }
  .field { display: flex; flex-direction: column; gap: 8px; }
  .field label { font-size: 0.8rem; color: var(--gray); letter-spacing: 0.06em; text-transform: uppercase; }
  .field input, .field textarea, .field select {
    background: var(--navy-card);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 15px 18px;
    color: var(--off-white);
    font-family: 'Inter', sans-serif;
    font-size: 0.96rem;
    font-weight: 300;
    transition: border-color .3s ease, background .3s ease;
    resize: vertical;
  }
  .field input:focus, .field textarea:focus, .field select:focus {
    outline: none;
    border-color: var(--blue);
    background: rgba(55, 138, 221, 0.06);
  }
  .field textarea { min-height: 120px; }
  form button {
    margin-top: 6px;
    align-self: flex-start;
    padding: 17px 38px;
    border: none;
    border-radius: 100px;
    background: var(--blue);
    color: var(--navy);
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 0.98rem;
    cursor: pointer;
    transition: background .3s ease, transform .3s ease, box-shadow .3s ease;
  }
  form button:hover {
    background: var(--teal);
    transform: translateY(-2px);
    box-shadow: 0 14px 36px -10px rgba(29, 158, 117, 0.5);
  }
  .form-note { font-size: 0.82rem; color: var(--gray); margin-top: -4px; }

  /* ---------- Footer ---------- */
  footer {
    margin-top: 140px;
    border-top: 1px solid var(--line);
    padding: 56px 0 36px;
  }
  .footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
  }
  .footer-brand { display: flex; align-items: center; gap: 12px; }
  .footer-brand .brand-name { font-size: 0.98rem; }
  footer .fine { color: var(--gray); font-size: 0.84rem; }
  footer .fine a:hover { color: var(--blue); }
  .footer-socials { display: flex; align-items: center; gap: 14px; }
  .footer-socials a { display: inline-flex; align-items: center; gap: 6px; }


  /* ---------- Language Switcher ---------- */
  .lang-switch {
    display: flex;
    align-items: center;
    gap: 2px;
    border: 1px solid var(--line);
    border-radius: 100px;
    overflow: hidden;
    flex-shrink: 0;
    margin-left: 16px;
  }
  .lang-switch button {
    background: transparent;
    border: none;
    color: var(--gray);
    font-family: 'Inter', sans-serif;
    font-size: 0.78rem;
    font-weight: 500;
    padding: 7px 12px;
    cursor: pointer;
    transition: background .25s ease, color .25s ease;
    letter-spacing: 0.04em;
    line-height: 1;
  }
  .lang-switch button.active {
    background: var(--blue);
    color: var(--navy);
  }
  .lang-switch button:hover:not(.active) {
    color: var(--off-white);
    background: rgba(241, 239, 232, 0.05);
  }

  /* ---------- Hamburger Toggle ---------- */
  .nav-toggle {
    display: none;
    width: 44px; height: 44px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: transparent;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 0;
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
  }
  .nav-toggle span {
    display: block;
    width: 20px; height: 2px;
    background: var(--off-white);
    border-radius: 2px;
    transition: transform .3s ease, opacity .3s ease;
    transform-origin: center;
  }
  .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* ---------- Mobile Menu Panel ---------- */
  .mobile-menu {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10, 14, 26, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 99;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    transition: opacity .3s ease;
  }
  .mobile-menu.open { display: flex; opacity: 1; }
  .mobile-menu a {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--off-white);
    transition: color .25s ease;
    text-align: center;
    padding: 8px 16px;
  }
  .mobile-menu a:hover { color: var(--blue); }
  .mobile-menu .mobile-cta {
    font-size: 1rem;
    padding: 16px 36px;
    border-radius: 100px;
    background: var(--blue);
    color: var(--navy);
    font-weight: 600;
    margin-top: 12px;
    transition: background .25s ease, transform .25s ease;
  }
  .mobile-menu .mobile-cta:hover { background: var(--teal); transform: translateY(-2px); }
  .mobile-menu .lang-switch {
    margin-left: 0;
    margin-top: 8px;
    border-color: rgba(241, 239, 232, 0.2);
  }

  /* ---------- Responsive ---------- */
  @media (max-width: 980px) {
    .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 56px; }
    .project-grid { grid-template-columns: 1fr 1fr; }
    .method-strip { grid-template-columns: repeat(3, 1fr); }
    .method-step:nth-child(3) { border-right: none; }
    .method-step { border-bottom: 1px solid var(--line); }
  }

  @media (max-width: 720px) {
    .wrap, nav { padding-left: 18px; padding-right: 18px; }
    .nav-links, .nav-cta { display: none; }
    .nav-toggle { display: flex; }
    .project-grid { grid-template-columns: 1fr; }
    .section { padding: 80px 0; }
    .section-head { margin-bottom: 44px; gap: 24px; }
    .section-head h2 { max-width: 100%; }
    .section-head p { max-width: 100%; }
    .service-head {
      grid-template-columns: 40px 1fr auto;
      padding: 24px 20px;
      gap: 16px;
    }
    .service-price { display: none; }
    .service-detail {
      grid-template-columns: 1fr;
      padding: 0 20px 28px;
      gap: 24px;
    }
    .method-strip {
      grid-template-columns: repeat(2, 1fr);
      gap: 0;
    }
    .method-step:nth-child(2n) { border-right: none; }
    .method-step { padding: 22px 16px; }
    .method-step h4 { font-size: 0.88rem; }
    .hero { padding-top: 110px; padding-bottom: 60px; }
    .hero-tags { margin-top: 40px; }
    .scroll-cue { display: none; }
    .hero-actions { gap: 12px; }
    .btn-primary, .btn-ghost { padding: 15px 26px; font-size: 0.92rem; }
    .package {
      flex-direction: column;
      align-items: flex-start;
      gap: 6px;
      padding: 14px 16px;
    }
    .package .prange { white-space: normal; }
    .pillar { gap: 14px; padding: 20px 0; }
    .pillar h4 { font-size: 0.98rem; }
    .contact-grid { gap: 48px; }
    .footer-grid { flex-direction: column; align-items: flex-start; gap: 16px; }
    .about-watermark { display: none; }
    .glow { display: none; }
  }

  @media (max-width: 480px) {
    .wrap, nav { padding-left: 14px; padding-right: 14px; }
    .brand-name { font-size: 0.92rem; }
    .brand-badge { width: 36px; height: 36px; }
    .section { padding: 64px 0; }
    .section-head { margin-bottom: 36px; }
    .section-num { font-size: 0.78rem; margin-bottom: 14px; }
    .hero { padding-top: 100px; min-height: auto; }
    .hero-eyebrow { font-size: 0.72rem; letter-spacing: 0.1em; margin-bottom: 20px; }
    .hero-sub { font-size: 0.95rem; margin-bottom: 32px; }
    .hero-tags { gap: 8px; }
    .hero-tag { font-size: 0.74rem; padding: 7px 14px; }
    .btn-primary, .btn-ghost {
      width: 100%;
      justify-content: center;
      padding: 15px 24px;
      font-size: 0.9rem;
    }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn-primary,
    .hero-actions .btn-ghost { width: 100%; text-align: center; }
    .service-head {
      grid-template-columns: 36px 1fr auto;
      padding: 20px 16px;
      gap: 12px;
    }
    .service-num { font-size: 1.15rem; }
    .service-title h3 { font-size: 1.12rem; }
    .service-title p { font-size: 0.85rem; }
    .service-detail { padding: 0 16px 24px; gap: 20px; }
    .method-strip {
      grid-template-columns: 1fr;
      border-radius: 14px;
    }
    .method-step {
      border-right: none !important;
      border-bottom: 1px solid var(--line);
      padding: 18px 16px;
    }
    .method-step:last-child { border-bottom: none; }
    .contact-lede { font-size: 1.4rem !important; }
    .contact-row { gap: 14px; padding: 14px 0; }
    .contact-row .ico { width: 38px; height: 38px; flex-shrink: 0; }
    .contact-row .value { font-size: 0.95rem; }
    form button {
      width: 100%;
      text-align: center;
      padding: 15px 24px;
    }
    .project-info { padding: 22px 20px 26px; }
    .project-info h3 { font-size: 1.12rem; }
    .value-chip { font-size: 0.76rem; padding: 8px 16px; }
    .mobile-menu a { font-size: 1.25rem; gap: 24px; }
  }

/* Homepage clarity refresh — keep the established FCK identity. */
:root { --gray: #b8bdca; --blue: #65b2ff; --teal: #55d5ae; --line: rgba(241,239,232,.18); }
body { font-weight: 400; }
section[id] { scroll-margin-top: 100px; }
.hero { min-height: auto; padding: 138px 0 64px; }
.hero h1 { font-size: clamp(2.25rem,4.5vw,4.1rem); max-width: 23ch; margin-bottom: 22px; }
.hero-eyebrow { letter-spacing: .07em; margin-bottom: 20px; }
.hero-sub { font-size: 1.12rem; max-width: 64ch; margin-bottom: 26px; font-weight: 400; }
.hero-tags { margin-top: 30px; gap: 10px; }
.hero-seal, .scroll-cue { display: none; }
.hero .reveal, .reveal, .reveal-scale { opacity: 1; transform: none; }
.section { padding: 80px 0; }
.section-head { margin-bottom: 36px; gap: 28px; }
.section-head h2 { max-width: 22ch; font-size: clamp(1.9rem,3.4vw,2.8rem); }
.section-head p { max-width: 48ch; }
.service-group { margin: 36px 0 18px; }
.service-group h3 { font-size: 1.3rem; margin-bottom: 8px; }
.service-group p, .pricing-note { color: var(--gray); }
.service-head { padding: 26px 28px; list-style: none; }
.service-head::-webkit-details-marker { display: none; }
.service-title p { max-width: 62ch; font-size: .96rem; }
.service-card[open] .service-body { grid-template-rows: 1fr; }
.service-card[open] .service-toggle { transform: rotate(45deg); background: var(--blue); color: var(--navy); }
.pricing-note { font-size: .9rem; max-width: 85ch; margin-top: 22px; }
.project-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
.audit-example { margin-top: 40px; border: 1px solid var(--line); border-radius: 18px; padding: 32px; background: var(--navy-soft); }
.audit-example > h3 { font-size: 1.65rem; margin-bottom: 14px; }
.audit-example > p { color: var(--gray); max-width: 80ch; }
.example-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 26px; margin: 28px 0; }
.example-grid h4 { color: var(--teal); font-size: 1rem; margin-bottom: 10px; }
.example-grid p { font-size: .95rem; color: var(--gray); }
.example-delivery { border-top: 1px solid var(--line); padding-top: 20px; }
.method-strip { grid-template-columns: repeat(4,minmax(0,1fr)); }
.method-step { padding: 28px 22px; }
.method-step h3 { font-size: 1.1rem; margin: 12px 0; }
.method-step p { font-size: .92rem; color: var(--gray); }
.about-compact { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; }
.about-compact h2 { font-size: clamp(1.9rem,3.4vw,2.8rem); }
.about-compact p { color: var(--gray); margin-bottom: 16px; }
.about-compact .about-lede { font-size: 1.2rem; }
.about-compact strong { color: var(--off-white); }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--blue); outline-offset: 5px; }
@media(max-width:1100px) { .nav-links { gap: 18px; } nav { gap: 14px; } .nav-cta { padding: 10px 14px; } }
@media(max-width:980px) { .method-strip { grid-template-columns: repeat(2,minmax(0,1fr)); } .method-step { border-bottom: 1px solid var(--line); } .method-step:nth-child(2n) { border-right: 0; } .method-step:nth-child(3) { border-right: 1px solid var(--line); } }
@media(max-width:980px) { .nav-links, .nav-cta { display: none; } .nav-toggle { display: flex; } }
@media(max-width:720px) {
 .hero { padding: 106px 0 44px; } .hero h1 { font-size: clamp(2rem,7.7vw,3rem); max-width: 24ch; }
 .hero-eyebrow { font-size: .72rem; } .hero-sub { font-size: 1rem; margin-bottom: 22px; }
 .hero-actions { align-items: stretch; } .hero-tags { margin-top: 24px; }
 .hero-actions a { justify-content: center; } .section { padding: 56px 0; }
 .service-head { grid-template-columns: 28px minmax(0,1fr) 32px; gap: 12px; padding: 22px 16px; }
 .service-toggle { width: 32px; height: 32px; grid-column: 3; grid-row: 1; }
 .service-price { display: block; grid-column: 2 / 4; text-align: left; white-space: normal; }
 .service-price .label { display: inline; margin-right: 8px; font-size: .7rem; }
 .service-price .amount { font-size: 1rem; } .service-title h3 { font-size: 1.15rem; }
 .service-title p { font-size: .92rem; } .service-detail { padding-top: 22px; }
 .project-grid, .example-grid, .about-compact { grid-template-columns: 1fr; }
 .about-compact { gap: 24px; } .audit-example { padding: 22px 18px; }
 .method-strip { grid-template-columns: 1fr; } .method-step { border-right: 0 !important; }
 .section-head h2 { max-width: 100%; } .project-note { margin-top: 22px; }
}
@media(prefers-reduced-motion:reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } html { scroll-behavior: auto; } }
@media(max-width:380px) {
 nav { gap: 8px; } .brand { gap: 8px; } .brand-name { font-size: .78rem; white-space: nowrap; }
 .brand-badge { width: 30px; height: 30px; } nav .lang-switch { margin-left: 0; }
 nav .lang-switch button { padding: 7px 8px; } .nav-toggle { width: 40px; height: 40px; }
}