/* ============================================================
   OSOM Pilot & Escorts — stylesheet
   Palette: charcoal + high-vis yellow/amber
   ============================================================ */

:root {
    --ink:      #14161a;
    --ink-2:    #1a1d23;
    --surface:  #21252e;
    --surface-2:#2a2f39;
    --line:     rgba(255, 255, 255, 0.10);
    --white:    #ffffff;
    --muted:    #a6adba;
    --muted-2:  #7d858f;
    --yellow:   #ffd200;
    --amber:    #f7941e;
    --grad:     linear-gradient(100deg, #ffd200 0%, #f7941e 100%);
    --radius:   14px;
    --radius-sm:9px;
    --shadow:   0 24px 60px rgba(0, 0, 0, 0.45);
    --maxw:     1180px;
    --ease:     cubic-bezier(.22, .61, .36, 1);
}

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

html { scroll-behavior: smooth; background: var(--ink); }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--ink);
    color: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Oswald', 'Inter', sans-serif;
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: .5px;
    text-transform: uppercase;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---- Hazard stripe motif ---- */
.hazard-top {
    height: 6px;
    background: repeating-linear-gradient(45deg, var(--yellow) 0 22px, var(--ink) 22px 44px);
}
.hazard-bar {
    height: 5px;
    background: repeating-linear-gradient(45deg, var(--yellow) 0 18px, #000 18px 36px);
}

/* ============================================================
   Header / nav
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(16, 18, 22, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    transition: background .3s var(--ease);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 84px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}
.brand img { height: 62px; width: auto; }
.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
}
.brand-name {
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    font-size: 21px;
    color: var(--white);
    white-space: nowrap;
}
.brand-sub {
    margin-top: 3px;
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.6px;
    font-size: 10px;
    color: var(--muted);
    white-space: nowrap;
}

.main-nav { display: flex; align-items: center; gap: 34px; }
.main-nav > a {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 15px;
    color: var(--muted);
    position: relative;
    padding: 6px 0;
    transition: color .2s var(--ease);
}
.main-nav > a::after {
    content: '';
    position: absolute;
    left: 0; bottom: -2px;
    width: 0; height: 2px;
    background: var(--grad);
    transition: width .25s var(--ease);
}
.main-nav > a:hover,
.main-nav > a.active { color: var(--white); }
.main-nav > a:hover::after,
.main-nav > a.active::after { width: 100%; }

.nav-cta {
    background: var(--grad);
    color: #17130a !important;
    font-weight: 700;
    padding: 11px 20px !important;
    border-radius: 999px;
    letter-spacing: .5px !important;
}
.nav-cta::after { display: none; }
.nav-cta:hover { filter: brightness(1.06); transform: translateY(-1px); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    width: 26px; height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: .3s var(--ease);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 15px;
    padding: 15px 30px;
    border-radius: 999px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all .25s var(--ease);
    white-space: nowrap;
}
.btn-primary { background: var(--grad); color: #17130a; box-shadow: 0 10px 30px rgba(247, 148, 30, .28); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px rgba(247, 148, 30, .4); }
.btn-ghost { background: rgba(255,255,255,.06); color: var(--white); border-color: rgba(255,255,255,.22); }
.btn-ghost:hover { background: rgba(255,255,255,.12); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--yellow); border-color: var(--yellow); }
.btn-outline:hover { background: var(--yellow); color: #17130a; transform: translateY(-2px); }
.btn-block { width: 100%; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
    position: relative;
    min-height: 88vh;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 120px 0 90px;
}
.hero-overlay {
    position: absolute; inset: 0;
    background:
        linear-gradient(90deg, rgba(10,11,13,.92) 0%, rgba(10,11,13,.72) 45%, rgba(10,11,13,.4) 100%),
        linear-gradient(0deg, rgba(10,11,13,.9) 0%, rgba(10,11,13,0) 55%);
}
.hero-content { position: relative; max-width: 780px; }
.eyebrow {
    display: inline-block;
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 13px;
    color: var(--yellow);
    padding-bottom: 14px;
}
.hero h1 {
    font-size: clamp(2.6rem, 6vw, 5rem);
    letter-spacing: 1px;
    margin-bottom: 22px;
}
.hero h1 .hl {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-sub {
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
    color: var(--muted);
    max-width: 620px;
    margin-bottom: 34px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ============================================================
   Stats band
   ============================================================ */
.stats-band {
    background: var(--ink-2);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}
.stat {
    padding: 36px 20px;
    text-align: center;
    border-right: 1px solid var(--line);
}
.stat:last-child { border-right: 0; }
.stat-num {
    display: block;
    font-family: 'Oswald', sans-serif;
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--yellow);
    line-height: 1;
}
.stat-label { display: block; color: var(--muted); font-size: .95rem; margin-top: 8px; }

/* ============================================================
   Sections
   ============================================================ */
.section { padding: 96px 0; }
.section-alt { background: var(--ink-2); }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head h2 { font-size: clamp(2rem, 4vw, 3rem); margin: 12px 0 18px; }
.lead { color: var(--muted); font-size: 1.12rem; }

/* ---- Cards ---- */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}
.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 38px 30px;
    transition: transform .3s var(--ease), border-color .3s var(--ease);
    position: relative;
    overflow: hidden;
}
.card::before {
    content: '';
    position: absolute; top: 0; left: 0;
    width: 100%; height: 4px;
    background: var(--grad);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .35s var(--ease);
}
.card:hover { transform: translateY(-6px); border-color: rgba(255,210,0,.4); }
.card:hover::before { transform: scaleX(1); }
.card-icon {
    width: 56px; height: 56px;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    font-size: 1.3rem;
    color: #17130a;
    background: var(--grad);
    border-radius: 12px;
    margin-bottom: 22px;
}
.card h3 { font-size: 1.35rem; margin-bottom: 12px; }
.card p { color: var(--muted); }

.center-cta { text-align: center; margin-top: 48px; }

/* ---- Split section ---- */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
    max-width: 1680px;
    margin: 0 auto;
}
.split-media {
    min-height: 460px;
    background-size: cover;
    background-position: center;
}
.split-body {
    padding: 90px clamp(28px, 6vw, 90px);
    background: var(--ink-2);
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.split-body h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin: 12px 0 18px; }
.split-body p { color: var(--muted); margin-bottom: 16px; }
.split.reverse .split-media { order: 2; }
.ticks { list-style: none; margin: 8px 0 30px; }
.ticks li {
    position: relative;
    padding-left: 34px;
    margin-bottom: 12px;
    color: var(--white);
}
.ticks li::before {
    content: '';
    position: absolute; left: 0; top: 7px;
    width: 18px; height: 10px;
    border-left: 3px solid var(--yellow);
    border-bottom: 3px solid var(--yellow);
    transform: rotate(-45deg);
}

/* ---- Services list ---- */
.services-list { display: grid; gap: 0; }
.service-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 30px;
    align-items: start;
    padding: 40px 0;
    border-top: 1px solid var(--line);
}
.service-row:last-child { border-bottom: 1px solid var(--line); }
.service-index {
    font-family: 'Oswald', sans-serif;
    font-size: 3.4rem;
    font-weight: 700;
    line-height: 1;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.service-text h3 { font-size: 1.5rem; margin-bottom: 10px; }
.service-text p { color: var(--muted); max-width: 720px; }

/* ---- Process steps ---- */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.step {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
}
.step-num {
    display: inline-flex;
    align-items: center; justify-content: center;
    width: 52px; height: 52px;
    border-radius: 50%;
    border: 2px solid var(--yellow);
    color: var(--yellow);
    font-family: 'Oswald', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 18px;
}
.step h4 { font-size: 1.15rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: .95rem; }

/* ---- Page hero ---- */
.page-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 150px 0 90px;
}
.page-hero.short { padding: 130px 0 80px; }
.page-hero-content { position: relative; max-width: 760px; }
.page-hero h1 { font-size: clamp(2.4rem, 5vw, 4rem); margin: 6px 0 18px; }
.page-hero p { color: var(--muted); font-size: 1.15rem; max-width: 620px; }

/* ---- About facts ---- */
.about-facts {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.fact {
    background: var(--surface);
    border: 1px solid var(--line);
    border-left: 4px solid var(--yellow);
    border-radius: var(--radius-sm);
    padding: 26px 24px;
}
.fact-label { display: block; color: var(--muted-2); text-transform: uppercase; letter-spacing: 2px; font-size: .75rem; margin-bottom: 8px; }
.fact-value { font-family: 'Oswald', sans-serif; font-size: 1.2rem; }
.fact-value a:hover { color: var(--yellow); }

/* ============================================================
   CTA band
   ============================================================ */
.cta-band {
    position: relative;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 110px 0;
    text-align: center;
}
.cta-overlay { position: absolute; inset: 0; background: rgba(10,11,13,.82); }
.cta-inner { position: relative; max-width: 640px; }
.cta-inner h2 { font-size: clamp(2rem, 4vw, 3.2rem); margin-bottom: 14px; }
.cta-inner p { color: var(--muted); font-size: 1.15rem; margin-bottom: 30px; }
.cta-inner .hero-actions { justify-content: center; }

/* ============================================================
   Contact
   ============================================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 56px;
    align-items: start;
}
.contact-info h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 16px; }
.contact-info > p { color: var(--muted); margin-bottom: 28px; }
.contact-list { list-style: none; margin-bottom: 30px; }
.contact-list li {
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.ci-label { text-transform: uppercase; letter-spacing: 2px; font-size: .72rem; color: var(--muted-2); }
.contact-list a, .contact-list li > span:last-child { font-family: 'Oswald', sans-serif; font-size: 1.2rem; }
.contact-list a:hover { color: var(--yellow); }

.contact-form-wrap {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; display: flex; flex-direction: column; }
.field label { font-family: 'Oswald', sans-serif; letter-spacing: .5px; font-size: .95rem; margin-bottom: 8px; }
.field label span { color: var(--amber); }
.field input, .field select, .field textarea {
    background: var(--ink);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    color: var(--white);
    padding: 14px 16px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus {
    outline: none;
    border-color: var(--yellow);
    box-shadow: 0 0 0 3px rgba(255, 210, 0, .15);
}
.field textarea { resize: vertical; }
.field .err { color: #ff8f6b; font-size: .82rem; margin-top: 6px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-note { color: var(--muted-2); font-size: .85rem; text-align: center; margin-top: 14px; }

.alert { border-radius: var(--radius-sm); padding: 18px 20px; margin-bottom: 24px; }
.alert-success { background: rgba(255, 210, 0, .12); border: 1px solid rgba(255, 210, 0, .4); }
.alert-success p { color: var(--muted); margin-top: 6px; }
.alert-success a { color: var(--yellow); }
.alert-error { background: rgba(255, 90, 60, .12); border: 1px solid rgba(255, 90, 60, .4); color: #ffb4a0; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background: #0e1013; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 40px;
    padding: 64px 24px 40px;
}
.footer-brand img { height: 48px; margin-bottom: 18px; }
.footer-brand p { color: var(--muted); max-width: 380px; margin-bottom: 10px; }
.footer-brand .abn { color: var(--muted-2); font-size: .9rem; }
.footer-col h4 { color: var(--yellow); font-size: 1rem; letter-spacing: 1.5px; margin-bottom: 18px; }
.footer-col a, .footer-plain { display: block; color: var(--muted); margin-bottom: 12px; transition: color .2s var(--ease); }
.footer-col a:hover { color: var(--white); }
.footer-quote { color: var(--yellow) !important; font-weight: 600; }
.footer-bottom { border-top: 1px solid var(--line); padding: 22px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer-bottom span { color: var(--muted-2); font-size: .88rem; }

/* ============================================================
   Scroll reveal
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 960px) {
    .cards, .steps { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat:nth-child(2) { border-right: 0; }
    .stat { border-bottom: 1px solid var(--line); }
    .about-facts { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .split { grid-template-columns: 1fr; }
    .split.reverse .split-media { order: 0; }
    .split-media { min-height: 320px; }
    .hero, .split-media, .cta-band { background-attachment: scroll; }
}

@media (max-width: 720px) {
    .nav-toggle { display: flex; }
    .brand img { height: 50px; }
    .brand-name { font-size: 17px; }
    .brand-sub { display: none; }
    .main-nav {
        position: fixed;
        top: 84px; right: 0;
        width: min(80vw, 320px);
        height: calc(100vh - 84px);
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        background: var(--ink-2);
        border-left: 1px solid var(--line);
        padding: 30px 28px;
        transform: translateX(110%);
        transition: transform .35s var(--ease);
    }
    .main-nav.open { transform: none; }
    .main-nav > a { font-size: 1.1rem; padding: 10px 0; }
    .nav-cta { margin-top: 10px; }
    .cards, .steps, .stats-grid, .about-facts { grid-template-columns: 1fr; }
    .stat { border-right: 0; }
    .field-row { grid-template-columns: 1fr; }
    .service-row { grid-template-columns: 1fr; gap: 10px; }
    .service-index { font-size: 2.6rem; }
    .contact-form-wrap { padding: 26px 20px; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .hero { min-height: 80vh; }
}

/* ---- Soft page fade transitions ---- */
body.page-anim { animation: pageFadeIn .55s var(--ease, ease) both; }
@keyframes pageFadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
body.is-leaving {
    animation: none;
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity .4s var(--ease, ease), transform .4s var(--ease, ease);
    pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
    body.page-anim { animation: none; }
    body.is-leaving { transition: none; opacity: 1; pointer-events: auto; }
}

/* --- SEO / a11y additions: skip link + breadcrumbs --- */
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:#FFD200;color:#14161a;padding:.6rem 1rem;font-weight:700;border-radius:0 0 6px 0;}
.skip-link:focus{left:0;}
.breadcrumbs{margin-bottom:1.1rem;}
.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;margin:0;padding:0;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;}
.breadcrumbs li{display:inline-flex;align-items:center;color:rgba(255,255,255,.6);}
.breadcrumbs li[aria-current="page"]{color:#fff;font-weight:600;}
.breadcrumbs a{color:rgba(255,255,255,.82);text-decoration:none;transition:color .15s ease;}
.breadcrumbs a:hover{color:#FFD200;}
.breadcrumbs li+li::before{content:"\203A";margin:0 .55rem;color:rgba(255,255,255,.45);}