/* ==========================================================================
   Timothy Fisser — Modern Stylesheet
   ========================================================================== */

:root {
    --color-bg: #ffffff;
    --color-bg-alt: #f6f7f9;
    --color-ink: #0e1116;
    --color-ink-soft: #2a2f38;
    --color-muted: #5d6470;
    --color-line: #e6e8ec;
    --color-accent: #c8741a;
    --color-accent-dark: #a55c10;
    --color-overlay: rgba(10, 16, 26, 0.55);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 22px;

    --shadow-sm: 0 1px 2px rgba(14, 17, 22, 0.05);
    --shadow-md: 0 12px 30px rgba(14, 17, 22, 0.08);
    --shadow-lg: 0 30px 60px rgba(14, 17, 22, 0.14);

    --font-sans: 'Inter Tight', 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --container: 1240px;
    --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--color-ink);
    background: var(--color-bg);
    line-height: 1.6;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }

h1, h2, h3, h4, h5 {
    margin: 0 0 0.5em;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: var(--color-ink);
}

h1 { font-size: clamp(2.4rem, 5vw, 4.4rem); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.7rem); }

p { margin: 0 0 1em; color: var(--color-ink-soft); }

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

.eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.section {
    padding: clamp(70px, 9vw, 130px) 0;
}

.section--dark {
    background: var(--color-ink);
    color: #f6f7f9;
}
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }
.section--dark p { color: rgba(255, 255, 255, 0.78); }

.section--alt { background: var(--color-bg-alt); }

.section-head {
    max-width: 720px;
    margin: 0 auto 60px;
    text-align: center;
}
.section-head--left { margin-left: 0; text-align: left; }

/* ----- Navigation ----- */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 18px 0;
    background: rgba(255, 255, 255, 0.0);
    backdrop-filter: blur(0px);
    transition: background var(--transition), backdrop-filter var(--transition), padding var(--transition), box-shadow var(--transition);
}
.nav.is-scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    padding: 12px 0;
    box-shadow: var(--shadow-sm);
}
.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.nav-brand {
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
    color: #fff;
    transition: color var(--transition);
}
.nav.is-scrolled .nav-brand { color: var(--color-ink); }
.nav-brand span { color: var(--color-accent); }

.nav-list {
    display: flex;
    gap: 32px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.nav-list a {
    font-size: 0.94rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.92);
    transition: color var(--transition);
}
.nav.is-scrolled .nav-list a { color: var(--color-ink-soft); }
.nav-list a:hover { color: var(--color-accent); }

.nav-cta {
    padding: 9px 18px;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #fff;
    transition: all var(--transition);
}
.nav.is-scrolled .nav-cta {
    border-color: var(--color-ink);
    color: var(--color-ink);
}
.nav-cta:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff !important;
}

.nav-toggle {
    display: none;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    display: block;
    width: 24px; height: 2px;
    background: #fff;
    margin: 5px 0;
    transition: all var(--transition);
}
.nav.is-scrolled .nav-toggle span { background: var(--color-ink); }

/* ----- Buttons ----- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 999px;
    font-weight: 500;
    font-size: 0.97rem;
    transition: all var(--transition);
    cursor: pointer;
    border: 1.5px solid transparent;
}
.btn--primary {
    background: var(--color-accent);
    color: #fff;
}
.btn--primary:hover { background: var(--color-accent-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--ghost {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.6);
    color: #fff;
}
.btn--ghost:hover { background: #fff; color: var(--color-ink); border-color: #fff; }
.btn--dark {
    background: var(--color-ink);
    color: #fff;
}
.btn--dark:hover { background: var(--color-ink-soft); color: #fff; transform: translateY(-2px); }
.btn--outline {
    border-color: var(--color-ink);
    color: var(--color-ink);
}
.btn--outline:hover { background: var(--color-ink); color: #fff; }
.btn .arrow { transition: transform var(--transition); }
.btn:hover .arrow { transform: translateX(4px); }

/* ----- Hero ----- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: #fff;
    overflow: hidden;
    isolation: isolate;
}
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
}
.hero-bg img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: center;
}
.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 16, 26, 0.55) 0%, rgba(10, 16, 26, 0.4) 40%, rgba(10, 16, 26, 0.85) 100%);
}
.hero-inner {
    position: relative;
    padding-top: 100px;
    padding-bottom: 60px;
    width: 100%;
}
.hero-eyebrow {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: 24px;
}
.hero h1 {
    color: #fff;
    max-width: 920px;
    margin-bottom: 24px;
    font-weight: 700;
}
.hero h1 em {
    color: var(--color-accent);
    font-style: normal;
}
.hero-lead {
    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    max-width: 620px;
    color: rgba(255, 255, 255, 0.86);
    margin-bottom: 36px;
    line-height: 1.6;
}
.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}
.hero-scroll {
    position: absolute;
    bottom: 30px; left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    animation: bounce 2.4s ease-in-out infinite;
}
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ----- About ----- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 70px;
    align-items: center;
}
.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/5;
    box-shadow: var(--shadow-lg);
}
.about-image img {
    width: 100%; height: 100%;
    object-fit: cover;
}
.about-content h2 { margin-bottom: 24px; }
.about-content p { font-size: 1.05rem; color: var(--color-ink-soft); }
.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--color-line);
}
.about-stats div { }
.about-stats strong {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-ink);
    letter-spacing: -0.02em;
    line-height: 1;
}
.about-stats span {
    display: block;
    margin-top: 6px;
    font-size: 0.85rem;
    color: var(--color-muted);
    letter-spacing: 0.04em;
}

/* ----- Helicopter Focus ----- */
.heli {
    position: relative;
    overflow: hidden;
}
.heli-grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 60px;
    align-items: center;
}
.heli-text { padding-right: 20px; }
.heli-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 5/4;
    box-shadow: var(--shadow-lg);
}
.heli-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 800ms ease;
}
.heli-image:hover img { transform: scale(1.04); }
.heli-features {
    list-style: none;
    margin: 30px 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 30px;
}
.heli-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.97rem;
}
.heli-features li::before {
    content: '';
    width: 6px; height: 6px;
    margin-top: 11px;
    border-radius: 50%;
    background: var(--color-accent);
    flex-shrink: 0;
}

/* ----- Projects (typographic list) ----- */
.projects-list {
    border-top: 1px solid var(--color-line);
    margin-top: 20px;
}
.project-row {
    display: grid;
    grid-template-columns: 80px 1fr 60px;
    gap: 40px;
    align-items: center;
    padding: 30px 24px;
    border-bottom: 1px solid var(--color-line);
    color: var(--color-ink);
    transition: padding var(--transition), background var(--transition);
    position: relative;
}
.project-row:hover {
    background: var(--color-bg-alt);
    padding-left: 32px;
}
.project-row-num {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-muted);
    letter-spacing: 0.05em;
    transition: color var(--transition);
    font-variant-numeric: tabular-nums;
}
.project-row:hover .project-row-num { color: var(--color-accent); }
.project-row-content { min-width: 0; }
.project-row-eyebrow {
    display: block;
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 8px;
}
.project-row-content h3 {
    font-size: clamp(1.4rem, 2.2vw, 1.8rem);
    margin: 0 0 6px;
    transition: color var(--transition);
}
.project-row-content p {
    color: var(--color-muted);
    margin: 0;
    font-size: 0.97rem;
    max-width: 640px;
}
.project-row-arrow {
    justify-self: end;
    width: 44px; height: 44px;
    border-radius: 50%;
    border: 1px solid var(--color-line);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    color: var(--color-ink-soft);
    transition: all var(--transition);
}
.project-row:hover .project-row-arrow {
    background: var(--color-ink);
    border-color: var(--color-ink);
    color: #fff;
    transform: rotate(-45deg);
}

@media (max-width: 720px) {
    .project-row {
        grid-template-columns: 50px 1fr 40px;
        gap: 18px;
        padding: 24px 12px;
    }
    .project-row:hover { padding-left: 16px; }
    .project-row-arrow { width: 36px; height: 36px; font-size: 0.9rem; }
    .project-row-content h3 { font-size: 1.2rem; }
}

/* ----- Services / Software ----- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
    gap: 28px;
    margin-top: 50px;
}
.service-card {
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    padding: 42px 36px;
    transition: all var(--transition);
}
.service-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.service-icon {
    width: 56px; height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    margin-bottom: 26px;
}
.service-icon svg { width: 26px; height: 26px; }
.service-card h3 { font-size: 1.35rem; margin-bottom: 12px; }
.service-card p { color: var(--color-muted); font-size: 0.97rem; }
.service-card ul {
    list-style: none;
    margin: 18px 0 0;
    padding: 0;
}
.service-card ul li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 10px;
    color: var(--color-ink-soft);
    font-size: 0.93rem;
}
.service-card ul li::before {
    content: '';
    position: absolute;
    left: 0; top: 8px;
    width: 12px; height: 12px;
    border-radius: 50%;
    border: 2px solid var(--color-accent);
}

/* ----- Contact ----- */
.contact-wrap {
    max-width: 880px;
    margin: 0 auto;
    text-align: center;
}
.contact-channels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 50px;
}
.contact-channel {
    padding: 32px 24px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    background: #fff;
    transition: all var(--transition);
    display: block;
}
.contact-channel:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    color: var(--color-ink);
}
.contact-channel small {
    display: block;
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 12px;
}
.contact-channel strong {
    display: block;
    font-size: 1.08rem;
    color: var(--color-ink);
    font-weight: 600;
}

/* ----- Footer ----- */
.footer {
    background: #0a0d12;
    color: rgba(255, 255, 255, 0.7);
    padding: 70px 0 30px;
}
.footer h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; letter-spacing: 0.05em; text-transform: uppercase; font-weight: 600; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand h3 {
    color: #fff;
    font-size: 1.4rem;
    margin-bottom: 12px;
}
.footer-brand p { color: rgba(255, 255, 255, 0.62); font-size: 0.94rem; }
.footer-list { list-style: none; margin: 0; padding: 0; }
.footer-list li { margin-bottom: 12px; }
.footer-list a { color: rgba(255, 255, 255, 0.7); font-size: 0.95rem; }
.footer-list a:hover { color: var(--color-accent); }
.footer-bottom {
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ----- Responsive ----- */
@media (max-width: 960px) {
    .about-grid, .heli-grid { grid-template-columns: 1fr; gap: 40px; }
    .heli-features { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
    body { font-size: 16px; }
    .nav-list { display: none; }
    .nav-toggle { display: block; }
    .nav-cta { display: none; }
    .nav.is-mobile-open .nav-list {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: #fff;
        padding: 24px;
        gap: 18px;
        box-shadow: var(--shadow-md);
    }
    .nav.is-mobile-open .nav-list a { color: var(--color-ink); }
    .about-stats { grid-template-columns: 1fr; gap: 18px; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .section { padding: 70px 0; }
}

/* ==========================================================================
   Subpage patterns
   ========================================================================== */

/* Subpage nav (always solid, sticky) */
.nav--subpage {
    position: sticky;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow-sm);
    padding: 12px 0;
}
.nav--subpage .nav-brand,
.nav--subpage .nav-list a { color: var(--color-ink); }
.nav--subpage .nav-list a:hover { color: var(--color-accent); }
.nav--subpage .nav-cta { border-color: var(--color-ink); color: var(--color-ink); }
.nav--subpage .nav-toggle span { background: var(--color-ink); }
.nav--subpage .nav-list a.is-active { color: var(--color-accent); }

/* Page hero (gradient) */
.page-hero {
    position: relative;
    padding: 110px 0 90px;
    background: linear-gradient(135deg, #0e1116 0%, #1a2332 100%);
    color: #fff;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(900px 500px at 80% 0%, rgba(200, 116, 26, 0.20), transparent 60%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .eyebrow { color: rgba(255, 255, 255, 0.7); }
.page-hero h1 { color: #fff; max-width: 820px; }
.page-hero p { color: rgba(255, 255, 255, 0.78); max-width: 680px; font-size: 1.1rem; margin-top: 14px; }

/* Page hero (with bg image) */
.page-hero--image { padding: 0; min-height: 62vh; display: flex; align-items: flex-end; }
.page-hero--image::before { display: none; }
.page-hero--image .page-hero-bg { position: absolute; inset: 0; z-index: 0; }
.page-hero--image .page-hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.page-hero--image .page-hero-bg::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(10,16,26,0.35) 0%, rgba(10,16,26,0.85) 100%);
}
.page-hero--image .container { padding-top: 110px; padding-bottom: 70px; }

/* Timeline / experience */
.timeline { margin-top: 30px; }
.timeline-item {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 40px;
    padding: 36px 0;
    border-bottom: 1px solid var(--color-line);
}
.timeline-item:first-child { padding-top: 0; }
.timeline-item:last-child { border-bottom: 0; }
.timeline-meta {
    color: var(--color-muted);
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.04em;
}
.timeline-meta strong {
    display: block;
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 6px;
    font-weight: 600;
}
.timeline-content h3 { margin-bottom: 4px; }
.timeline-content .role {
    color: var(--color-ink-soft);
    font-weight: 500;
    font-size: 0.97rem;
    margin-bottom: 10px;
}
.timeline-content p { margin: 0; color: var(--color-muted); font-size: 0.97rem; }

/* Spec grid */
.spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 14px;
    margin-top: 26px;
}
.spec-card {
    padding: 18px 20px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-md);
}
.spec-card .label {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.55);
    margin-bottom: 6px;
}
.spec-card .value {
    display: block;
    font-size: 1.15rem;
    font-weight: 600;
    color: #fff;
}
.spec-card--light {
    background: var(--color-bg-alt);
    border-color: var(--color-line);
}
.spec-card--light .label { color: var(--color-muted); }
.spec-card--light .value { color: var(--color-ink); }

/* Logo / client grid */
.logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 18px;
    margin-top: 40px;
}
.logo-grid .logo {
    aspect-ratio: 1/1;
    background: #fff;
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    padding: 22px;
    border: 1px solid var(--color-line);
    transition: all var(--transition);
}
.logo-grid .logo:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: transparent; }
.logo-grid .logo img {
    max-width: 100%; max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.78;
    transition: all var(--transition);
}
.logo-grid .logo:hover img { filter: none; opacity: 1; }

/* Process / steps */
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 22px;
    margin-top: 40px;
    counter-reset: step;
}
.process-step {
    padding: 30px 26px;
    border-radius: var(--radius-lg);
    background: #fff;
    border: 1px solid var(--color-line);
    position: relative;
}
.process-step .num {
    display: inline-block;
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1;
    color: var(--color-accent);
    letter-spacing: -0.04em;
    margin-bottom: 14px;
}
.process-step h3 { font-size: 1.1rem; margin-bottom: 6px; }
.process-step p { font-size: 0.92rem; color: var(--color-muted); margin: 0; }

/* Image gallery */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    grid-auto-rows: 280px;
    gap: 14px;
}
.gallery .gallery-item {
    overflow: hidden;
    border-radius: var(--radius-md);
    background: var(--color-bg-alt);
    cursor: zoom-in;
    position: relative;
}
.gallery .gallery-item img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 600ms ease;
}
.gallery .gallery-item:hover img { transform: scale(1.06); }
.gallery .gallery-item.tall { grid-row: span 2; }

/* Aircraft block */
.aircraft-card {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 60px 0;
    border-bottom: 1px solid var(--color-line);
}
.aircraft-card:first-of-type { padding-top: 0; }
.aircraft-card:last-of-type { border-bottom: 0; padding-bottom: 0; }
.aircraft-card-image {
    aspect-ratio: 5/4;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.aircraft-card-image img { width: 100%; height: 100%; object-fit: cover; }
.aircraft-card-text small {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 10px;
}
.aircraft-card-text h3 { font-size: 2rem; margin-bottom: 14px; }
.aircraft-card.reverse .aircraft-card-image { order: 2; }

/* AI tools grid */
.ai-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-top: 36px;
}
.ai-tool {
    padding: 26px 22px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}
.ai-tool:hover { border-color: var(--color-accent); transform: translateY(-3px); }
.ai-tool .name {
    display: block;
    font-size: 1.05rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 4px;
}
.ai-tool .role {
    display: block;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.62);
}

/* Certificate / license grid */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-top: 30px;
}
.cert-grid .cert {
    aspect-ratio: 1/1;
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-line);
    transition: all var(--transition);
}
.cert-grid .cert:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: transparent; }
.cert-grid .cert img { width: 100%; height: 100%; object-fit: contain; padding: 12px; }

/* Side-by-side split */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}
.split-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-lg);
}
.split-image img { width: 100%; height: 100%; object-fit: cover; }
.split.reverse > .split-image { order: 2; }

/* Inline subgroup heading */
.subgroup-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
    margin: 60px 0 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--color-line);
}
.subgroup-head h3 { margin: 0; }
.subgroup-head small { color: var(--color-muted); font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; }

/* Pricing keep classes from old plans, restyled minimal */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}
.pricing-card {
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    text-align: center;
    transition: all var(--transition);
}
.pricing-card.featured {
    background: var(--color-ink);
    color: #fff;
    border-color: var(--color-ink);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.pricing-card.featured h3 { color: #fff; }
.pricing-card.featured .pricing-list li { color: rgba(255,255,255,0.78); border-color: rgba(255,255,255,0.08); }
.pricing-card.featured .pricing-tag { background: var(--color-accent); color: #fff; }
.pricing-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(200, 116, 26, 0.12);
    color: var(--color-accent);
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.pricing-card h3 { font-size: 1.3rem; margin-bottom: 18px; }
.pricing-price {
    margin: 12px 0 24px;
}
.pricing-price .amount {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
}
.pricing-price .currency {
    font-size: 1.5rem;
    font-weight: 600;
    vertical-align: super;
    margin-right: 4px;
}
.pricing-price .duration {
    display: block;
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--color-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.pricing-card.featured .pricing-price .duration { color: rgba(255,255,255,0.6); }
.pricing-list {
    list-style: none;
    margin: 0 0 28px;
    padding: 0;
    text-align: left;
}
.pricing-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-line);
    color: var(--color-ink-soft);
    font-size: 0.93rem;
}
.pricing-list li:last-child { border-bottom: 0; }

/* Custom contact form (subpage) */
.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}
.contact-form form {
    display: grid;
    gap: 16px;
}
.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.97rem;
    color: var(--color-ink);
    background: #fff;
    transition: border-color var(--transition);
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: 0;
    border-color: var(--color-accent);
}
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form button { justify-self: start; }

@media (max-width: 960px) {
    .timeline-item { grid-template-columns: 1fr; gap: 8px; padding: 26px 0; }
    .aircraft-card, .aircraft-card.reverse { grid-template-columns: 1fr; gap: 30px; }
    .aircraft-card.reverse .aircraft-card-image { order: 0; }
    .split { grid-template-columns: 1fr; gap: 30px; }
    .split.reverse > .split-image { order: 0; }
    .contact-form { grid-template-columns: 1fr; gap: 40px; }
    .pricing-card.featured { transform: none; }
    .page-hero { padding: 90px 0 70px; }
}