/* ── TOKENS ────────────────────────────────────────────── */
  :root {
    --navy:   #111111;
    --navy2:  #1a1a1a;
    --gold:   #00C9B1;
    --gold-lt:#00E5CA;
    --white:  #FFFFFF;
    --off-white: #F0F0F0;
    --mid:    #9A9FA8;
    --border: rgba(0,201,177,0.22);
    --fs-xl:  clamp(2.4rem, 5vw, 4.2rem);
    --fs-lg:  clamp(1.6rem, 3vw, 2.4rem);
    --fs-md:  clamp(1.1rem, 2vw, 1.35rem);
    --fs-sm:  0.95rem;
    --fs-xs:  0.82rem;
    --radius: 3px;
    --max:    1140px;
  }

  /* ── RESET ─────────────────────────────────────────────── */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Inter', 'Arial', sans-serif;
    background: var(--navy);
    color: var(--white);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
  }
  a { color: var(--gold); text-decoration: none; }
  a:hover { color: var(--gold-lt); }

  /* ── UTILITY ────────────────────────────────────────────── */
  .wrap    { max-width: var(--max); margin: 0 auto; padding: 0 clamp(1.2rem, 4vw, 3rem); }
  .label   { font-family: 'Arial Narrow', 'Arial', sans-serif; font-size: var(--fs-xs); letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); font-weight: 700; }
  .divider { width: 48px; height: 2px; background: var(--gold); margin: 1.2rem 0 2rem; }
  .divider.center { margin-left: auto; margin-right: auto; }

  /* ── NAV ─────────────────────────────────────────────────── */
  nav {
    z-index: 100;
    background: rgba(10,10,10,0.96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
  }
  nav.top {
    position: fixed; top: 0; left: 0; right: 0;
  }
  nav .inner { 
    max-width: var(--max); margin: 0 auto;
    padding: 0 clamp(1.2rem, 4vw, 3rem);
    display: flex; align-items: center; justify-content: space-between;
  }
  .nav-brand {
    font-family: 'Arial', sans-serif;
    font-size: 1.1rem; font-weight: 700; letter-spacing: 0.12em;
    color: var(--white); display: flex; align-items: center;
  }
  .nav-links { display: flex; gap: 2rem; }
  .nav-links a {
    font-family: 'Arial', sans-serif; font-size: var(--fs-xs);
    letter-spacing: 0.14em; text-transform: uppercase; color: var(--mid);
    transition: color 0.2s;
  }
  .nav-links a:hover { color: var(--gold); }
  .nav-cta {
    font-family: 'Arial', sans-serif; font-size: var(--fs-xs);
    letter-spacing: 0.1em; text-transform: uppercase;
    background: var(--gold); color: #111; padding: 0.55rem 1.4rem;
    font-weight: 700; border-radius: var(--radius); transition: background 0.2s;
  }
  .nav-cta:hover { background: var(--gold-lt); color: #111; }
  @media(max-width:680px){ .nav-links { display: none; } }

  /* ── HERO ────────────────────────────────────────────────── */
  #hero {
    padding: 140px 0 90px;
    background: linear-gradient(160deg, #111111 0%, #1a1a1a 100%); background-image: url("amplifyx-banner.png");
    background-size: cover; background-position: center;
    position: relative; overflow: hidden;
  }
  #hero::before { content:""; position:absolute; inset:0; background:rgba(10,10,10,0.72); z-index:0; pointer-events:none; }
  #hero > .wrap { position:relative; z-index:1; }
  #hero::after {
    content: '';
    position: absolute; right: -10%; top: 15%;
    width: 55vw; max-width: 700px; height: 55vw; max-height: 700px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,201,177,0.08) 0%, transparent 70%);
    pointer-events: none;
  }
  .hero-eyebrow { margin-bottom: 1.4rem; }
  #hero h1 {
    font-family: 'Barlow', 'Arial', sans-serif;
    font-size: var(--fs-xl);
    font-weight: 400;
    line-height: 1.15;
    max-width: 820px;
    letter-spacing: -0.01em;
  }
  #hero h1 em { font-style: italic; color: var(--gold); }
  .hero-sub {
    font-family: 'Arial', sans-serif;
    font-size: var(--fs-md); color: var(--mid);
    max-width: 620px; margin-top: 1.6rem; line-height: 1.7;
  }
  .hero-sub strong { color: var(--white); font-weight: 600; }
  .hero-actions { margin-top: 2.8rem; display: flex; gap: 1rem; flex-wrap: wrap; }
  .btn-primary {
    font-family: 'Arial', sans-serif; font-size: 0.9rem;
    letter-spacing: 0.1em; text-transform: uppercase; font-weight: 700;
    background: var(--gold); color: var(--navy);
    padding: 0.85rem 2.2rem; border-radius: var(--radius);
    transition: background 0.2s;
  }
  .btn-primary:hover { background: var(--gold-lt); color: var(--navy); }
  .btn-ghost {
    font-family: 'Arial', sans-serif; font-size: 0.9rem;
    letter-spacing: 0.1em; text-transform: uppercase; font-weight: 700;
    border: 1px solid var(--border); color: var(--mid);
    padding: 0.85rem 2.2rem; border-radius: var(--radius);
    transition: border-color 0.2s, color 0.2s;
  }
  .btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
  .strapline-block {
    margin-top: 3.5rem;
    display: flex; gap: 0; flex-wrap: wrap;
    border-top: 1px solid var(--border);
    padding-top: 2rem;
  }
  .strap-item {
    flex: 1; min-width: 200px;
    padding-right: 2rem;
  }
  .strap-item .strap-title {
    font-family: 'Arial', sans-serif; font-size: 1rem; font-weight: 700; color: var(--gold);
    letter-spacing: 0.04em;
  }
  .strap-item p {
    font-family: 'Arial', sans-serif; font-size: var(--fs-sm); color: var(--mid); margin-top: 0.3rem;
  }

  /* ── PROBLEM ─────────────────────────────────────────────── */
  #problem {
    background: var(--navy2);
    padding: 90px 0;
    border-top: 1px solid var(--border);
  }
  #problem .section-intro {
    font-family: 'Arial', sans-serif; font-size: var(--fs-sm); color: var(--mid);
    max-width: 720px; line-height: 1.8;
  }
  .problem-grid {
    margin-top: 3rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
  }
  .problem-card {
    background: var(--navy);
    padding: 2.2rem 2rem;
    position: relative;
    transition: background 0.2s;
  }
  .problem-card:hover { background: #1e1e1e; }
  .problem-card .p-icon {
    width: 40px; height: 40px;
    border: 1px solid var(--gold);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1.2rem;
    border-radius: 2px;
  }
  .problem-card .p-icon svg { width: 20px; height: 20px; stroke: var(--gold); fill: none; stroke-width: 1.8; }
  .problem-card h3 {
    font-family: 'Arial', sans-serif; font-size: 1rem; font-weight: 700;
    letter-spacing: 0.04em; color: var(--white); margin-bottom: 0.8rem;
  }
  .problem-card p {
    font-family: 'Arial', sans-serif; font-size: var(--fs-sm); color: var(--mid); line-height: 1.7;
  }
  .cost-banner {
    margin-top: 3rem;
    background: linear-gradient(135deg, #1e1e1e 0%, #141414 100%);
    border: 1px solid var(--border);
    padding: 2.5rem 3rem;
  }
  .cost-banner h3 {
    font-family: 'Barlow', 'Arial', sans-serif; font-size: var(--fs-lg);
    font-weight: 400; font-style: italic; color: var(--white);
    max-width: 860px; line-height: 1.4;
  }
  .cost-banner h3 strong { color: var(--gold); font-style: normal; font-weight: 700; }

  /* ── ABOUT ─────────────────────────────────────────────────── */
  #about { padding: 90px 0; }
  .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 2.5rem;
  }
  @media(max-width: 760px){ .about-grid { grid-template-columns: 1fr; gap: 2.5rem; } }
  .about-body {
    font-family: 'Arial', sans-serif; font-size: var(--fs-sm); color: var(--mid); line-height: 1.8;
  }
  .about-body p + p { margin-top: 1rem; }
  .about-body strong { color: var(--white); }
  .proof-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem;
  }
  .proof-item {
    border-left: 2px solid var(--gold);
    padding-left: 1rem;
  }
  .proof-item .big {
    font-family: 'Arial Narrow', 'Arial', sans-serif;
    font-size: 1.9rem; font-weight: 700; color: var(--white); line-height: 1;
  }
  .proof-item .big span { color: var(--gold); }
  .proof-item .small {
    font-family: 'Arial', sans-serif; font-size: var(--fs-xs); color: var(--mid); margin-top: 0.3rem; line-height: 1.4;
  }

  /* ── SERVICES ───────────────────────────────────────────────── */
  #services {
    background: var(--navy2);
    padding: 90px 0;
    border-top: 1px solid var(--border);
  }
  .services-intro {
    font-family: 'Arial', sans-serif; font-size: var(--fs-sm); color: var(--mid); max-width: 700px; line-height: 1.8;
    margin-top: 0.5rem;
  }
  .services-grid {
    margin-top: 3rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
  }
  .service-card {
    background: var(--navy);
    border: 1px solid var(--border);
    padding: 2rem;
    border-radius: var(--radius);
    transition: border-color 0.2s, transform 0.2s;
  }
  .service-card:hover { border-color: var(--gold); transform: translateY(-2px); }
  .service-card h3 {
    font-family: 'Arial', sans-serif; font-size: 1rem; font-weight: 700;
    color: var(--white); margin-bottom: 0.9rem;
  }
  .service-card ul {
    list-style: none; margin: 0; padding: 0;
  }
  .service-card ul li {
    font-family: 'Arial', sans-serif; font-size: var(--fs-sm); color: var(--mid);
    padding: 0.35rem 0;
    border-bottom: 1px solid rgba(138,155,176,0.12);
    padding-left: 1rem;
    position: relative;
    line-height: 1.5;
  }
  .service-card ul li::before {
    content: '→';
    position: absolute; left: 0; color: var(--gold); font-size: 0.75rem;
  }
  .service-card ul li:last-child { border-bottom: none; }

  /* ── APPROACH ────────────────────────────────────────────────── */
  #approach { padding: 90px 0; }
  .approach-steps {
    margin-top: 3rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
  }
  .step {
    position: relative;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border);
  }
  .step.active { border-top-color: var(--gold); }
  .step-num {
    font-family: 'Arial Narrow', 'Arial', sans-serif;
    font-size: 2.6rem; font-weight: 700; color: rgba(201,151,58,0.18);
    line-height: 1; margin-bottom: 0.8rem;
  }
  .step h3 {
    font-family: 'Arial', sans-serif; font-size: 0.95rem; font-weight: 700;
    color: var(--white); margin-bottom: 0.6rem; letter-spacing: 0.03em;
  }
  .step p {
    font-family: 'Arial', sans-serif; font-size: var(--fs-sm); color: var(--mid); line-height: 1.7;
  }
  .approach-note {
    margin-top: 3rem;
    background: linear-gradient(135deg, #1e1e1e 0%, #141414 100%);
    border-left: 3px solid var(--gold);
    padding: 1.8rem 2rem;
    font-family: 'Barlow', 'Arial', sans-serif; font-style: italic; color: var(--mid); font-size: 1.1rem;
    line-height: 1.7;
  }
  .approach-note strong { color: var(--gold); font-style: normal; }

  /* ── B2B NOTE ─────────────────────────────────────────────────── */
  #b2b {
    background: var(--navy2);
    padding: 70px 0;
    border-top: 1px solid var(--border);
  }
  .b2b-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
  }
  @media(max-width: 700px){ .b2b-inner { grid-template-columns: 1fr; gap: 2rem; } }
  .b2b-body {
    font-family: 'Arial', sans-serif; font-size: var(--fs-sm); color: var(--mid); line-height: 1.8;
  }
  .b2b-body p + p { margin-top: 1rem; }
  .b2b-body strong { color: var(--white); }
  .b2b-badges { display: flex; flex-wrap: wrap; gap: 0.8rem; }
  .badge {
    font-family: 'Arial', sans-serif; font-size: var(--fs-xs);
    letter-spacing: 0.12em; text-transform: uppercase;
    border: 1px solid var(--border); color: var(--gold);
    padding: 0.5rem 1rem; border-radius: 2px;
  }

  /* ── CONTACT ─────────────────────────────────────────────────── */
  #contact {
    padding: 90px 0;
    text-align: center;
    background: linear-gradient(160deg, #111111 0%, #181818 100%);
    border-top: 1px solid var(--border);
  }
  #contact h2 {
    font-family: 'Barlow', 'Arial', sans-serif; font-size: var(--fs-lg); font-weight: 400;
    max-width: 680px; margin: 0 auto; line-height: 1.35;
  }
  #contact h2 em { font-style: italic; color: var(--gold); }
  #contact .sub {
    font-family: 'Arial', sans-serif; font-size: var(--fs-sm); color: var(--mid);
    margin-top: 1rem; max-width: 560px; margin-left: auto; margin-right: auto;
  }
  .contact-detail {
    font-family: 'Arial', sans-serif; font-size: 1rem; color: var(--white); margin-top: 0.5rem;
  }
  .contact-block { margin-top: 2.5rem; }

  /* ── FOOTER ──────────────────────────────────────────────────── */
  footer {
    background: #0a0a0a;
    padding: 2.5rem 0;
    border-top: 1px solid var(--border);
  }
  .footer-inner {
    display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  }
  .footer-brand {
    font-family: 'Arial Narrow', 'Arial', sans-serif;
    font-size: 1.1rem; font-weight: 700; color: var(--mid);
  }
  .footer-brand span { color: var(--gold); }
  .footer-nav { display: flex; gap: 1.5rem; flex-wrap: wrap; }
  .footer-nav a {
    font-family: 'Arial', sans-serif; font-size: var(--fs-xs);
    letter-spacing: 0.1em; text-transform: uppercase; color: var(--mid);
    transition: color 0.2s;
  }
  .footer-nav a:hover { color: var(--gold); }
  .footer-legal {
    font-family: 'Arial', sans-serif; font-size: var(--fs-xs); color: #4a5a6a;
    margin-top: 1.2rem;
  }

  /* ── PRIVACY / TERMS MODALS ─────────────────────────────────── */
  .modal-overlay {
    display: none;
    position: fixed; inset: 0; z-index: 500;
    background: rgba(9,15,23,0.92);
    overflow-y: auto;
    padding: 2rem;
  }
  .modal-overlay.open { display: flex; justify-content: center; align-items: flex-start; }
  .modal-box {
    background: var(--navy2);
    border: 1px solid var(--border);
    max-width: 780px; width: 100%;
    padding: 3rem;
    border-radius: var(--radius);
    margin: auto;
    position: relative;
  }
  .modal-box h2 {
    font-family: 'Barlow', 'Arial', sans-serif; font-size: 1.6rem; margin-bottom: 0.5rem;
  }
  .modal-close {
    position: absolute; top: 1.2rem; right: 1.5rem;
    background: none; border: none; color: var(--mid);
    font-size: 1.8rem; cursor: pointer; line-height: 1;
  }
  .modal-close:hover { color: var(--gold); }
  .modal-body {
    font-family: 'Arial', sans-serif; font-size: var(--fs-sm); color: var(--mid); line-height: 1.8; margin-top: 1.5rem;
  }
  .modal-body h3 {
    font-size: 0.95rem; font-weight: 700; color: var(--white);
    margin: 1.8rem 0 0.5rem; letter-spacing: 0.03em;
  }
  .modal-body p + p { margin-top: 0.8rem; }
  .modal-body ul { padding-left: 1.2rem; }
  .modal-body ul li { margin-bottom: 0.4rem; }

  /* ── SCROLL REVEAL ────────────────────────────────────────────── */
  .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.55s ease, transform 0.55s ease; }
  .reveal.visible { opacity: 1; transform: translateY(0); }

  @media(prefers-reduced-motion: reduce){
    .reveal { opacity: 1; transform: none; transition: none; }
  }