/* ========================================
   SIGNAL SOCIETY — Design System v7
   Dark Tech · Space Mono · Terminal Aesthetic
   ======================================== */

:root {
    --blue: #1A1AFF;
    --orange: #FF6600;
    --white: #FFFFFF;
    --dark: #0A0A0A;
    --dark-surface: #111111;
    --dark-elevated: #1a1a1a;
    --dark-border: #1f1f1f;
    --gray: #6B6B6B;
    --gray-light: #999999;
    --mono: 'Space Mono', 'Courier New', monospace;
    --font: 'Space Mono', 'Courier New', monospace;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--mono); font-size: 0.85rem; line-height: 1.6; color: var(--white); background: var(--dark); overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.25s ease; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
::selection { background: var(--orange); color: var(--dark); }

/* ========================================
   Mono Label
   ======================================== */
.mono-label { font-family: var(--mono); font-size: 0.55rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; font-variant-numeric: tabular-nums; }

/* ========================================
   Grain
   ======================================== */
.grain { position: fixed; inset: 0; z-index: 9998; pointer-events: none; opacity: 0.03; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E"); background-repeat: repeat; background-size: 180px; }

/* ========================================
   Shutter (CSS-only)
   ======================================== */
.shutter { position: fixed; inset: 0; z-index: 10000; pointer-events: none; animation: shutterFade 0.6s ease 1.4s forwards; }
.shutter__veil { position: absolute; inset: 0; background: var(--dark); animation: shutterVeilHide 0.6s ease 1.4s forwards; }
.shutter__bars { position: absolute; inset: 0; display: grid; grid-template-columns: repeat(10, 1fr); }
.shutter__col { display: block; background: var(--dark); transform: scaleY(1); transform-origin: top; animation: shutterOpen 0.8s cubic-bezier(0.76, 0, 0.24, 1) forwards; animation-delay: calc(var(--i, 0) * 0.04s); }
.shutter__col:nth-child(1) { --i: 0; } .shutter__col:nth-child(2) { --i: 1; } .shutter__col:nth-child(3) { --i: 2; } .shutter__col:nth-child(4) { --i: 3; } .shutter__col:nth-child(5) { --i: 4; }
.shutter__col:nth-child(6) { --i: 5; } .shutter__col:nth-child(7) { --i: 6; } .shutter__col:nth-child(8) { --i: 7; } .shutter__col:nth-child(9) { --i: 8; } .shutter__col:nth-child(10) { --i: 9; }
@keyframes shutterOpen { 0% { transform: scaleY(1); } 100% { transform: scaleY(0); } }
@keyframes shutterVeilHide { to { opacity: 0; } }
@keyframes shutterFade { to { opacity: 0; visibility: hidden; } }

/* ========================================
   Page Loader (CSS-only)
   ======================================== */
.page-loader { position: fixed; inset: 0; background: var(--dark); z-index: 9999; display: flex; align-items: center; justify-content: center; animation: loaderAutoHide 2.2s cubic-bezier(0.4, 0, 0.2, 1) forwards; }
@keyframes loaderAutoHide { 0%, 45% { opacity: 1; visibility: visible; pointer-events: all; } 100% { opacity: 0; visibility: hidden; pointer-events: none; } }
.page-loader__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--orange); animation: loaderPulse 0.8s ease-in-out infinite alternate; }
@keyframes loaderPulse { from { transform: scale(1); opacity: 1; } to { transform: scale(1.8); opacity: 0.4; } }

/* ========================================
   Layout
   ======================================== */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 7rem 0; }

/* ========================================
   Telemetry
   ======================================== */
.telemetry { position: fixed; top: 0; left: 0; width: 100%; z-index: 1001; background: rgba(10, 10, 10, 0.85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--dark-border); padding: 0.4rem 0; display: flex; align-items: center; justify-content: center; gap: 2rem; color: rgba(255, 255, 255, 0.3); }
.telemetry .mono-label { color: rgba(255, 255, 255, 0.3); }
.telemetry__ok i { color: #4ade80; font-style: normal; animation: tickerPulse 2s ease-in-out infinite; }
@keyframes tickerPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ========================================
   Typography
   ======================================== */
.section-header { margin-bottom: 3.5rem; text-align: center; }
.section-head { display: block; color: var(--orange); margin-bottom: 1rem; }
.section-title { font-family: var(--mono); font-size: clamp(1.6rem, 4vw, 2.8rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; margin-bottom: 1rem; text-align: center; text-transform: uppercase; }
.section-sub { font-size: clamp(0.78rem, 1vw, 0.88rem); color: var(--gray); max-width: 520px; line-height: 1.7; margin: 0 auto; text-align: center; }
.accent { color: var(--orange); }

/* ========================================
   Buttons
   ======================================== */
.btn { display: inline-flex; align-items: center; gap: 0.5rem; font-family: var(--mono); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.8rem 1.6rem; border-radius: 100px; transition: all 0.35s cubic-bezier(0.25, 0.1, 0.25, 1); cursor: pointer; white-space: nowrap; }
.btn .arrow { transition: transform 0.25s ease; font-size: 1em; }
.btn:hover .arrow { transform: translateX(3px); }
.btn--solid { background: var(--blue); color: var(--white); border: 1.5px solid var(--blue); }
.btn--solid:hover { background: #0d0de6; border-color: #0d0de6; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(26, 26, 255, 0.25); }
.btn--accent { background: var(--orange); color: var(--dark); border: 1.5px solid var(--orange); }
.btn--accent:hover { background: #e55a00; border-color: #e55a00; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255, 102, 0, 0.25); }
.btn--line { background: transparent; color: var(--orange); border: 1.5px solid rgba(255, 102, 0, 0.3); }
.btn--line:hover { color: var(--white); border-color: var(--white); }
.btn--line .arrow { opacity: 0; transform: translateX(-8px); transition: all 0.25s ease; }
.btn--line:hover .arrow { opacity: 1; transform: translateX(0); }
.btn--large { padding: 0.9rem 2rem; font-size: 0.72rem; }
.btn--full { width: 100%; justify-content: center; }

/* ========================================
   Navigation
   ======================================== */
.site-header { position: fixed; top: 28px; left: 0; width: 100%; z-index: 1000; background: rgba(10, 10, 10, 0.6); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid transparent; transition: all 0.4s ease; }
.site-header--scrolled { background: rgba(10, 10, 10, 0.92); border-bottom-color: var(--dark-border); }
.site-header__inner { max-width: 1200px; margin: 0 auto; padding: 0 2rem; display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { display: flex; align-items: center; gap: 0.5rem; }
.brand__logo { width: 26px; height: 26px; border-radius: 4px; object-fit: cover; }
.brand__text { font-family: var(--mono); font-size: 0.6rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--white); }
.site-header__nav { display: flex; gap: 2rem; }
.site-header__link { font-family: var(--mono); font-size: 0.65rem; font-weight: 400; color: rgba(255, 255, 255, 0.7); position: relative; padding: 0.2rem 0; letter-spacing: 0.04em; text-transform: uppercase; transition: color 0.25s ease; }
.site-header__link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 1px; background: var(--orange); transition: width 0.25s ease; }
.site-header__link:hover { color: var(--orange); }
.site-header__link:hover::after { width: 100%; }
.site-header__cta { font-size: 0.65rem; padding: 0.6rem 1.2rem; }
.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.menu-toggle span { display: block; width: 22px; height: 1.5px; background: var(--white); transition: all 0.3s ease; transform-origin: center; }
.menu-toggle.active span:first-child { transform: rotate(45deg) translate(2.5px, 2.5px); }
.menu-toggle.active span:last-child { transform: rotate(-45deg) translate(2.5px, -2.5px); }

/* ========================================
   Mobile Menu
   ======================================== */
.mobile-menu { position: fixed; top: 0; left: 0; width: 100%; height: 100dvh; background: var(--dark); z-index: 999; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.5s ease; }
.mobile-menu.active { opacity: 1; pointer-events: all; }
.mobile-menu__inner { display: flex; flex-direction: column; align-items: center; gap: 1.75rem; }
.mobile-menu__link { font-family: var(--mono); font-size: clamp(1.2rem, 5vw, 2rem); font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--white); transition: color 0.25s ease; }
.mobile-menu__link:hover { color: var(--orange); }

/* ========================================
   Hero
   ======================================== */
.hero { min-height: 100dvh; display: flex; align-items: center; justify-content: center; text-align: center; position: relative; overflow: hidden; background: var(--dark); color: var(--white); padding-top: 84px; }
.hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(26, 26, 255, 0.06) 0%, transparent 70%); pointer-events: none; }
.hero__container { position: relative; z-index: 2; max-width: 860px; }
.hero__meta { display: flex; align-items: center; justify-content: center; gap: 0.75rem; margin-bottom: 1.5rem; color: rgba(255, 255, 255, 0.3); }
.hero__meta .mono-label { color: rgba(255, 255, 255, 0.3); }
.hero__meta-sep { font-size: 0.55rem; color: rgba(255, 255, 255, 0.12); }
.hero__headline { text-align: center; margin-bottom: 1.5rem; }
.hero__sub { color: rgba(255, 255, 255, 0.45); margin-bottom: 2.5rem; }
.hero__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero__signal { position: absolute; top: 50%; right: -220px; transform: translateY(-50%); width: 920px; height: 920px; z-index: 0; opacity: 0.4; }
.signal-svg { width: 100%; height: 100%; }
.signal-dot { fill: var(--orange); }
.signal-ring { fill: none; stroke: var(--blue); stroke-width: 0.8; opacity: 0; animation: signalExpand 4s ease-out infinite; }
.signal-ring--1 { animation-delay: 0s; stroke: var(--orange); }
.signal-ring--2 { animation-delay: 0.6s; }
.signal-ring--3 { animation-delay: 1.2s; }
.signal-ring--4 { animation-delay: 1.8s; stroke: var(--orange); opacity: 0.3; }
.signal-ring--5 { animation-delay: 2.4s; }
@keyframes signalExpand { 0% { r: 24; opacity: 0.6; stroke-width: 1.5; } 100% { r: 230; opacity: 0; stroke-width: 0.3; } }

/* ========================================
   About
   ======================================== */
.about { background: var(--dark); color: var(--white); }
.about__container { max-width: 1040px; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 3.5rem; align-items: center; }
.about__text { text-align: left; }
.about__headline { text-align: left; margin-bottom: 1.25rem; }
.about__body { color: var(--gray-light); margin-bottom: 1.25rem; text-align: left; }
.about__emphasis { font-size: clamp(0.85rem, 1.2vw, 0.95rem); font-weight: 400; color: var(--white); line-height: 1.65; padding: 1rem 1.25rem; border-left: 2px solid var(--orange); background: rgba(255, 102, 0, 0.04); border-radius: 0 6px 6px 0; text-align: left; }
.about__media { border-radius: 12px; overflow: hidden; border: 1px solid var(--dark-border); }
.about__img { width: 100%; height: 100%; object-fit: cover; border-radius: 12px; aspect-ratio: 4/3; filter: brightness(0.8) contrast(1.1); transition: filter 0.5s ease; }
.about__media:hover .about__img { filter: brightness(0.9) contrast(1.05); }

/* ========================================
   Services
   ======================================== */
.services { background: var(--dark-surface); }
.services__grid { display: flex; flex-direction: column; gap: 1.5rem; }
.svc-card--visual { display: grid; grid-template-columns: 0.45fr 0.55fr; gap: 0; background: var(--dark); border: 1px solid var(--dark-border); border-radius: 14px; overflow: hidden; transition: all 0.5s cubic-bezier(0.25, 0.1, 0.25, 1); }
.svc-card--visual:nth-child(even) { direction: rtl; }
.svc-card--visual:nth-child(even) > * { direction: ltr; }
.svc-card--visual:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4); border-color: rgba(255, 102, 0, 0.3); }
.svc-card__img-wrap { overflow: hidden; position: relative; min-height: 320px; background: var(--dark-surface); }
.svc-card__img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.25, 0.1, 0.25, 1); }
.svc-card--visual:hover .svc-card__img { transform: scale(1.05); }
.svc-card__content { padding: 2.5rem; display: flex; flex-direction: column; justify-content: center; }
.svc-card__number { display: block; color: var(--orange); margin-bottom: 0.75rem; }
.svc-card__name { font-family: var(--mono); font-size: clamp(1.2rem, 2.2vw, 1.6rem); font-weight: 700; letter-spacing: -0.01em; margin-bottom: 0.75rem; text-transform: uppercase; }
.svc-card__desc { font-size: 0.82rem; color: var(--gray); line-height: 1.7; margin-bottom: 1.25rem; }
.svc-card__list { list-style: none; margin-bottom: 1.5rem; }
.svc-card__list li { font-size: 0.78rem; color: var(--gray); line-height: 1.65; padding: 0.35rem 0; padding-left: 1.25rem; position: relative; }
.svc-card__list li::before { content: '▸'; position: absolute; left: 0; top: 50%; transform: translateY(-50%); color: var(--orange); font-size: 0.7rem; line-height: 1; }
.pkg__cta { display: inline-flex; align-items: center; gap: 0.4rem; font-family: var(--mono); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--orange); transition: all 0.25s ease; }
.pkg__cta .arrow { transition: transform 0.25s ease; }
.pkg__cta:hover .arrow { transform: translateX(3px); }

/* ========================================
   Quote
   ======================================== */
.quote { background: var(--dark); border-top: 1px solid var(--dark-border); border-bottom: 1px solid var(--dark-border); }
.quote__inner { max-width: 720px; margin: 0 auto; text-align: center; }
.quote__text { font-size: clamp(0.88rem, 1.4vw, 1.05rem); font-weight: 400; line-height: 1.75; color: rgba(255, 255, 255, 0.7); margin-top: 1rem; }
.quote__text .accent { color: var(--orange); font-weight: 600; }

/* ========================================
   Why Choose Signal Society
   ======================================== */
.why { background: var(--dark-surface); border-top: 1px solid var(--dark-border); border-bottom: 1px solid var(--dark-border); }
.why__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.why__item { padding: 1.5rem; border: 1px solid var(--dark-border); border-radius: 10px; transition: border-color 0.3s ease, transform 0.3s ease; }
.why__item:hover { border-color: var(--orange); transform: translateY(-2px); }
.why__number { display: block; color: var(--orange); margin-bottom: 0.75rem; }
.why__title { font-family: var(--mono); font-size: 0.88rem; font-weight: 700; letter-spacing: -0.01em; text-transform: uppercase; margin-bottom: 0.5rem; }
.why__desc { font-size: 0.78rem; color: var(--gray); line-height: 1.7; }

/* ========================================
   Projects
   ======================================== */
.projects { background: var(--blue); color: var(--white); }
.projects .section-sub { color: rgba(255, 255, 255, 0.7); }
.projects__grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 280px; gap: 1rem; }
.project { display: block; border-radius: 10px; overflow: hidden; transition: transform 0.4s ease; position: relative; }
.project:hover { transform: translateY(-4px); }
.project--wide { grid-column: span 2; }
.project--tall { grid-row: span 2; }
.project__visual { width: 100%; height: 100%; overflow: hidden; border-radius: 10px; position: relative; background: rgba(0, 0, 0, 0.2); }
.project__img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.project:hover .project__img { transform: scale(1.05); }
.project__info { position: absolute; bottom: 0; left: 0; right: 0; padding: 1.25rem; background: linear-gradient(to top, rgba(0,0,0,0.8), transparent); border-radius: 0 0 10px 10px; }
.project__tag { display: block; color: rgba(255, 255, 255, 0.5); margin-bottom: 0.35rem; }
.project__name { font-family: var(--mono); font-size: 0.88rem; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 0.2rem; color: var(--white); text-transform: uppercase; }
.project__type { font-size: 0.68rem; color: rgba(255, 255, 255, 0.55); }

/* ========================================
   FAQ
   ======================================== */
.faq { background: var(--dark); color: var(--white); }
.faq__link { color: var(--orange); text-decoration: underline; text-underline-offset: 2px; }
.faq__link:hover { color: var(--white); }
.faq__grid { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--dark-border); }
.faq-item__q { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 1.25rem 0; color: var(--white); font-size: 0.85rem; font-weight: 500; text-align: left; transition: color 0.25s ease; gap: 1rem; }
.faq-item__q:hover { color: var(--orange); }
.faq-item__num { color: var(--orange); flex-shrink: 0; min-width: 32px; }
.faq-item__icon { font-size: 1.1rem; font-weight: 300; transition: transform 0.3s ease; flex-shrink: 0; margin-left: 1rem; }
.faq-item.active .faq-item__icon { transform: rotate(45deg); }
.faq-item__body { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.25, 0.1, 0.25, 1), padding 0.4s ease; }
.faq-item.active .faq-item__body { max-height: 300px; padding-bottom: 1.25rem; }
.faq-item__body p { font-size: 0.8rem; color: rgba(255, 255, 255, 0.45); line-height: 1.75; padding-left: 3rem; }
.faq-item__body strong { color: var(--white); font-weight: 600; }

/* ========================================
   Contact
   ======================================== */
.contact { background: var(--dark-surface); }
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.contact__left { text-align: center; }
.contact__headline { text-align: center; color: var(--orange); }
.contact__sub { text-align: center; }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form__group { display: flex; flex-direction: column; gap: 0.3rem; }
.form__label { color: var(--orange); text-transform: uppercase; letter-spacing: 0.08em; }
.form__input { font-family: var(--mono); font-size: 0.82rem; padding: 0.75rem 0.9rem; border: 1px solid var(--dark-border); border-radius: 6px; background: var(--dark); color: var(--white); transition: border-color 0.25s ease, box-shadow 0.25s ease; outline: none; width: 100%; }
.form__input::placeholder { color: var(--gray); opacity: 0.6; }
.form__input:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(255, 102, 0, 0.1); }
.form__select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23FF6600' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.9rem center; padding-right: 2.5rem; cursor: pointer; }
.form__textarea { resize: vertical; min-height: 100px; }
.form__message { font-size: 0.78rem; text-align: center; min-height: 1.1rem; }
.form__message--success { color: #4ade80; }
.form__message--error { color: #f87171; }

/* ========================================
   Footer
   ======================================== */
.footer { padding: 3.5rem 0 1.25rem; background: var(--dark); color: var(--white); border-top: 1px solid var(--dark-border); }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 2rem; padding-bottom: 2.5rem; border-bottom: 1px solid var(--dark-border); margin-bottom: 1.25rem; }
.footer__brand { display: flex; flex-direction: column; gap: 0.3rem; }
.footer__logo-img { width: 30px; height: 30px; border-radius: 4px; object-fit: cover; margin-bottom: 0.2rem; }
.footer__logo-text { text-transform: uppercase; letter-spacing: 0.14em; }
.footer__tagline { font-size: 0.72rem; color: var(--gray); margin-top: 0.15rem; }
.footer__col { display: flex; flex-direction: column; gap: 0.5rem; }
.footer__heading { color: rgba(255, 255, 255, 0.3); margin-bottom: 0.25rem; text-transform: uppercase; letter-spacing: 0.14em; }
.footer__link { font-size: 0.72rem; color: var(--gray-light); transition: color 0.25s ease; }
.footer__link:hover { color: var(--white); }
.footer__link--static { cursor: default; }
.footer__bottom { text-align: center; }
.footer__bottom .mono-label { color: var(--gray); font-size: 0.6rem; }

/* ========================================
   Scroll Reveal
   ======================================== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s cubic-bezier(0, 0, 0.2, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* CSS fallback */
@keyframes revealFallback { to { opacity: 1; transform: translateY(0); } }
.reveal { animation: revealFallback 0.8s cubic-bezier(0.22, 1, 0.36, 1) 2s forwards; }

/* ========================================
   Cursor Glow
   ======================================== */
.cursor-glow { position: fixed; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(26, 26, 255, 0.04) 0%, transparent 70%); pointer-events: none; z-index: 0; transform: translate(-50%, -50%); transition: opacity 0.3s; opacity: 0; }
.cursor-glow.active { opacity: 1; }

/* ========================================
   Signal Art — Animated SVG Graphics
   ======================================== */
.signal-art { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: transparent; border-radius: 14px; overflow: hidden; }
.signal-art__svg { width: 100%; height: 100%; }

/* Ring pulse animations */
@keyframes ringPulse { 0% { opacity: 0.6; transform: scale(1); } 100% { opacity: 0; transform: scale(1.4); } }
@keyframes ringPulse2 { 0% { opacity: 0.5; transform: scale(1); } 100% { opacity: 0; transform: scale(1.3); } }

.art-ring--1 { animation: ringPulse 2.5s ease-out infinite; transform-origin: center; transform-box: fill-box; }
.art-ring--2 { animation: ringPulse 2.5s ease-out 0.5s infinite; transform-origin: center; transform-box: fill-box; }
.art-ring--3 { animation: ringPulse 2.5s ease-out 1s infinite; transform-origin: center; transform-box: fill-box; }
.art-ring--4 { animation: ringPulse 2.5s ease-out 1.5s infinite; transform-origin: center; transform-box: fill-box; }
.art-ring--5 { animation: ringPulse 2.5s ease-out 2s infinite; transform-origin: center; transform-box: fill-box; }

/* Node glow */
@keyframes nodeGlow { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.art-node--center { animation: nodeGlow 2s ease-in-out infinite; }
.art-node--1 { animation: nodeGlow 2.2s ease-in-out 0.3s infinite; }
.art-node--2 { animation: nodeGlow 2.4s ease-in-out 0.6s infinite; }
.art-node--3 { animation: nodeGlow 2.6s ease-in-out 0.9s infinite; }
.art-node--4 { animation: nodeGlow 2.8s ease-in-out 1.2s infinite; }
.art-node--5 { animation: nodeGlow 3s ease-in-out 0.2s infinite; }
.art-node--6 { animation: nodeGlow 2.5s ease-in-out 0.7s infinite; }
.art-node--7 { animation: nodeGlow 2.3s ease-in-out 1.1s infinite; }

/* Pulse dots */
@keyframes pulseDot { 0%, 100% { opacity: 0.2; transform: scale(0.8); } 50% { opacity: 1; transform: scale(1.3); } }
.art-pulse--1 { animation: pulseDot 1.8s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
.art-pulse--2 { animation: pulseDot 2.1s ease-in-out 0.4s infinite; transform-origin: center; transform-box: fill-box; }
.art-pulse--3 { animation: pulseDot 1.6s ease-in-out 0.8s infinite; transform-origin: center; transform-box: fill-box; }
.art-pulse--4 { animation: pulseDot 2.4s ease-in-out 1.2s infinite; transform-origin: center; transform-box: fill-box; }

/* Sparkles */
@keyframes sparkle { 0%, 100% { opacity: 0; transform: scale(0); } 50% { opacity: 1; transform: scale(1.5); } }
.art-sparkle--1 { animation: sparkle 2s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
.art-sparkle--2 { animation: sparkle 2.5s ease-in-out 0.7s infinite; transform-origin: center; transform-box: fill-box; }
.art-sparkle--3 { animation: sparkle 1.8s ease-in-out 1.3s infinite; transform-origin: center; transform-box: fill-box; }

/* Growth bars */
@keyframes barGrow { 0%, 100% { opacity: 0.3; } 50% { opacity: 0.8; } }
.art-bar--1 { animation: barGrow 3s ease-in-out infinite; }
.art-bar--2 { animation: barGrow 3s ease-in-out 0.3s infinite; }
.art-bar--3 { animation: barGrow 3s ease-in-out 0.6s infinite; }
.art-bar--4 { animation: barGrow 3s ease-in-out 0.9s infinite; }
.art-bar--5 { animation: barGrow 3s ease-in-out 1.2s infinite; }
.art-bar--6 { animation: barGrow 3s ease-in-out 1.5s infinite; }

/* Growth line draw */
@keyframes lineDraw { 0% { stroke-dashoffset: 400; } 100% { stroke-dashoffset: 0; } }
.art-growth-line { stroke-dasharray: 400; animation: lineDraw 3s ease-in-out infinite; }

/* Dots on line */
@keyframes dotPulse { 0%, 100% { r: 3; opacity: 0.5; } 50% { r: 6; opacity: 1; } }
.art-dot--1 { animation: dotPulse 2s ease-in-out infinite; }
.art-dot--2 { animation: dotPulse 2s ease-in-out 0.5s infinite; }
.art-dot--3 { animation: dotPulse 2s ease-in-out 1s infinite; }

/* Code brackets */
@keyframes bracketPulse { 0%, 100% { opacity: 0.15; } 50% { opacity: 0.35; } }
.art-bracket--l { animation: bracketPulse 3s ease-in-out infinite; }
.art-bracket--r { animation: bracketPulse 3s ease-in-out 1.5s infinite; }

/* Data flow */
@keyframes flowMove { 0% { opacity: 0.3; transform: translateX(-10px); } 50% { opacity: 1; transform: translateX(10px); } 100% { opacity: 0.3; transform: translateX(-10px); } }
.art-flow--1 { animation: flowMove 2s ease-in-out infinite; }
.art-flow--2 { animation: flowMove 2.5s ease-in-out 0.5s infinite; }
.art-flow--3 { animation: flowMove 1.8s ease-in-out 1s infinite; }
.art-flow--4 { animation: flowMove 2.2s ease-in-out 1.5s infinite; }

/* Satellites orbit */
@keyframes satOrbit { 0% { opacity: 0.5; } 50% { opacity: 1; } 100% { opacity: 0.5; } }
.art-sat--1 { animation: satOrbit 2s ease-in-out infinite; }
.art-sat--2 { animation: satOrbit 2.3s ease-in-out 0.3s infinite; }
.art-sat--3 { animation: satOrbit 2.6s ease-in-out 0.6s infinite; }
.art-sat--4 { animation: satOrbit 2.9s ease-in-out 0.9s infinite; }
.art-sat--5 { animation: satOrbit 2.1s ease-in-out 1.2s infinite; }
.art-sat--6 { animation: satOrbit 2.4s ease-in-out 1.5s infinite; }

/* Connection lines */
@keyframes connPulse { 0%, 100% { opacity: 0.3; } 50% { opacity: 0.7; } }
.art-conn--1 { animation: connPulse 2s ease-in-out infinite; }
.art-conn--2 { animation: connPulse 2.3s ease-in-out 0.3s infinite; }
.art-conn--3 { animation: connPulse 2.6s ease-in-out 0.6s infinite; }
.art-conn--4 { animation: connPulse 2.9s ease-in-out 0.9s infinite; }
.art-conn--5 { animation: connPulse 2.1s ease-in-out 1.2s infinite; }
.art-conn--6 { animation: connPulse 2.4s ease-in-out 1.5s infinite; }

/* Particles traveling */
@keyframes particleTravel { 0% { offset-distance: 0%; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { offset-distance: 100%; opacity: 0; } }

/* Twinkle stars */
@keyframes twinkle { 0%, 100% { opacity: 0; transform: scale(0.5); } 50% { opacity: 1; transform: scale(1.5); } }
.art-twinkle--1 { animation: twinkle 2s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
.art-twinkle--2 { animation: twinkle 2.5s ease-in-out 0.5s infinite; transform-origin: center; transform-box: fill-box; }
.art-twinkle--3 { animation: twinkle 1.8s ease-in-out 1s infinite; transform-origin: center; transform-box: fill-box; }
.art-twinkle--4 { animation: twinkle 2.2s ease-in-out 1.5s infinite; transform-origin: center; transform-box: fill-box; }

/* Project signal art */
.project__signal-art { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: transparent; overflow: hidden; }
.project__svg { width: 100%; height: 100%; }

/* Art frames */
@keyframes framePulse { 0%, 100% { opacity: 0.8; } 50% { opacity: 0.4; } }
.art-frame { animation: framePulse 3s ease-in-out infinite; }

/* Art dashes */
@keyframes dashMove { to { stroke-dashoffset: -16; } }
.art-dash { animation: dashMove 1s linear infinite; }

/* Art small nodes */
.art-node-sm { animation: nodeGlow 2s ease-in-out infinite; }

/* ========================================
   Responsive — Tablet
   ======================================== */
@media (max-width: 1024px) {
    .container { padding: 0 1.5rem; }
    .hero__signal { width: 700px; height: 700px; right: -160px; }
    .svc-card--visual { grid-template-columns: 1fr; }
    .svc-card--visual:nth-child(even) { direction: ltr; }
    .svc-card__img-wrap { min-height: 240px; }
    .projects__grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 240px; }
    .contact__grid { gap: 3rem; }
    .footer__grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
    .telemetry { gap: 1rem; }
    .telemetry .mono-label { font-size: 0.48rem; }
}

/* ========================================
   Responsive — Mobile
   ======================================== */
@media (max-width: 768px) {
    .container { padding: 0 1.25rem; }
    .telemetry { display: none; }
    .site-header { top: 0; }
    .site-header__nav, .site-header__cta { display: none; }
    .menu-toggle { display: flex; }
    .hero { padding-top: 64px; }
    .hero__signal { width: 520px; height: 520px; right: -200px; opacity: 0.3; }
    .hero__actions { flex-direction: column; align-items: center; }
    .section { padding: 4rem 0; }
    .about__container { grid-template-columns: 1fr; gap: 2.5rem; }
    .about__text { text-align: center; }
    .about__headline { text-align: center; }
    .about__body { text-align: center; }
    .about__emphasis { text-align: center; border-left: none; border-top: 2px solid var(--orange); border-radius: 6px 6px 0 0; padding: 1.25rem; }
    .about__media { max-width: 400px; margin: 0 auto; }
    .why__grid { grid-template-columns: 1fr; }
    .projects__grid { grid-template-columns: 1fr; grid-auto-rows: 220px; }
    .project--wide { grid-column: span 1; }
    .project--tall { grid-row: span 1; }
    .faq-item__body p { padding-left: 0; }
    .contact__grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .form__row { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr; gap: 1.25rem; }
    .cursor-glow { display: none; }
}

@media (max-width: 480px) {
    .section-title { font-size: 1.4rem; }
    .hero__headline { font-size: 1.7rem; }
    .about__headline { font-size: 1.2rem; }
    .contact__headline { font-size: 1.15rem; }
}