:root {
    --bg-main: #050509;
    --bg-dim: #0b0b12;
    --accent: #ff2a50;
    --accent-soft: #ff6a88;
    --accent-blue: #26e3ff;
    --text-main: #f5f5ff;
    --text-muted: #9a9ab5;
    --border-soft: rgba(255, 255, 255, 0.08);
    --radius-lg: 18px;
    --radius-md: 12px;
    --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.7);
}

body {
    font-family: "Orbitron", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #141421 0, #050509 55%) fixed;
    color: var(--text-main);
    overflow-x: hidden;
}

/* BACKGROUND GRID / GRADIENT */
.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.3;
    pointer-events: none;
    z-index: -2;
}

.bg-gradient {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at 10% 0%, rgba(255, 42, 80, 0.25), transparent 60%),
                radial-gradient(circle at 90% 100%, rgba(38, 227, 255, 0.25), transparent 60%);
    filter: blur(8px);
    mix-blend-mode: screen;
    opacity: 0.8;
    pointer-events: none;
    z-index: -3;
    animation: gradientShift 18s ease-in-out infinite alternate;
}

/* LAYOUT */
.container {
    width: min(1120px, 100% - 32px);
    margin: 0 auto;
}

.section {
    padding: 96px 0;
    position: relative;
    z-index: 1;
}

.section--dim {
    background: radial-gradient(circle at top, rgba(255, 42, 80, 0.12), transparent 55%),
                linear-gradient(to bottom, rgba(5, 5, 12, 0.95), #050509 80%);
}

.section__title {
    font-size: 2rem;
    margin-bottom: 16px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.section__subtitle,
.section__text {
    color: var(--text-muted);
    max-width: 640px;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

/* HEADER */
.header {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(16px);
    background: linear-gradient(to bottom, rgba(5, 5, 9, 0.92), rgba(5, 5, 9, 0.75));
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 14px 0;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--accent);
    box-shadow: 0 0 18px rgba(255, 42, 80, 0.9);
    background: radial-gradient(circle, rgba(255, 42, 80, 0.3), transparent);
}

.nav {
    display: flex;
    gap: 20px;
    font-size: 0.9rem;
}

.nav__link {
    position: relative;
    padding-bottom: 4px;
    color: var(--text-muted);
}

.nav__link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-blue));
    transition: width 0.2s ease-out;
}

.nav__link:hover {
    color: var(--text-main);
}

.nav__link:hover::after {
    width: 100%;
}

/* LANG SWITCH */
.lang-switch {
    display: flex;
    gap: 6px;
}

.lang-btn {
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: transparent;
    color: var(--text-muted);
    padding: 4px 8px;
    font-size: 0.7rem;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.lang-btn.is-active {
    color: var(--text-main);
    border-color: var(--accent);
    box-shadow: 0 0 12px rgba(255, 42, 80, 0.9);
}

/* GRID HELPERS */
.grid {
    display: grid;
    gap: 32px;
}

.grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 800px) {
    .grid--2,
    .grid--3 {
        grid-template-columns: 1fr;
    }
}

/* HERO */
.hero {
    padding-top: 120px;
}

.hero__inner {
    display: grid;
    gap: 40px;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
}

.hero__tag {
    color: var(--accent-soft);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-size: 0.7rem;
    margin-bottom: 18px;
}

.hero__title {
    font-size: clamp(2rem, 4vw, 2.6rem);
    margin-bottom: 16px;
    line-height: 1.2;
}

.glitch {
    animation: glitch 4s infinite alternate;
}

.hero__subtitle {
    color: var(--text-muted);
    max-width: 520px;
    font-size: 0.95rem;
    margin-bottom: 26px;
}

.hero__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 18px;
}

.hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.hero__meta span {
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 4px 10px;
    background: rgba(15, 15, 24, 0.8);
}

/* HERO HOLOGRAM */
.hero__visual {
    display: flex;
    justify-content: center;
}

.holo-core {
    position: relative;
    width: 230px;
    height: 230px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(255, 42, 80, 0.22), transparent 65%);
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 0 40px rgba(255, 42, 80, 0.9));
}

.holo-ring {
    position: absolute;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    mix-blend-mode: screen;
    animation: holoRotate 18s linear infinite;
}

.holo-ring--outer {
    width: 180px;
    height: 180px;
    border-color: rgba(255, 42, 80, 0.6);
}

.holo-ring--middle {
    width: 140px;
    height: 140px;
    border-color: rgba(255, 255, 255, 0.35);
    animation-duration: 24s;
    animation-direction: reverse;
}

.holo-ring--inner {
    width: 90px;
    height: 90px;
    border-color: rgba(38, 227, 255, 0.7);
    animation-duration: 30s;
}

.holo-core__pulse {
    width: 70px;
    height: 70px;
    border-radius: 999px;
    background: radial-gradient(circle, var(--accent), #050509);
    animation: neonPulse 2.8s ease-in-out infinite;
}

.holo-core__label {
    position: absolute;
    bottom: -24px;
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent-blue);
}

/* BUTTONS */
.btn {
    border-radius: 999px;
    border: 1px solid var(--accent);
    padding: 10px 20px;
    font-size: 0.9rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    transition: background 0.2s ease-out, transform 0.15s ease-out, box-shadow 0.2s ease-out;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-soft));
    color: #050509;
    box-shadow: 0 0 18px rgba(255, 42, 80, 0.7);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 26px rgba(255, 42, 80, 1);
}

.btn-ghost {
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-main);
    background: rgba(5, 5, 15, 0.8);
}

.btn-ghost:hover {
    background: rgba(15, 15, 30, 0.9);
}

.btn-full {
    width: 100%;
}

/* CARDS */
.cards {
    margin-top: 32px;
}

.card {
    background: radial-gradient(circle at top, rgba(255, 42, 80, 0.15), rgba(8, 8, 14, 0.95));
    border-radius: var(--radius-lg);
    padding: 22px 20px;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(255, 42, 80, 0.35), transparent, rgba(38, 227, 255, 0.25));
    opacity: 0;
    mix-blend-mode: screen;
    transition: opacity 0.25s ease-out;
}

.card:hover::before {
    opacity: 1;
}

.card__title {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.card__text {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.card__list {
    list-style: none;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.card__list li::before {
    content: "▹";
    margin-right: 6px;
    color: var(--accent-soft);
}

/* ABOUT */
.about__highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-self: flex-start;
}

.chip {
    border-radius: 999px;
    padding: 6px 12px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(10, 10, 18, 0.9);
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* TIMELINE */
.timeline {
    margin-top: 32px;
    border-left: 1px solid rgba(255, 255, 255, 0.18);
    padding-left: 24px;
    display: grid;
    gap: 24px;
}

.timeline__item {
    position: relative;
}

.timeline__item::before {
    content: "";
    position: absolute;
    left: -13px;
    top: 4px;
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 16px rgba(255, 42, 80, 1);
}

.timeline__step {
    font-size: 0.7rem;
    color: var(--accent-soft);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.timeline__title {
    margin-bottom: 4px;
}

.timeline__text {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* CONTACT */
.contact__bullets {
    list-style: none;
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.contact__bullets li::before {
    content: "◎";
    color: var(--accent-soft);
    margin-right: 6px;
}

.contact__form {
    background: radial-gradient(circle at top, rgba(38, 227, 255, 0.18), rgba(8, 8, 16, 0.95));
    border-radius: var(--radius-lg);
    padding: 22px 18px;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
}

.field {
    margin-bottom: 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.field label {
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.field input,
.field textarea {
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(3, 3, 8, 0.9);
    padding: 8px 10px;
    color: var(--text-main);
    resize: vertical;
}

.field input:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--accent-soft);
    box-shadow: 0 0 0 1px rgba(255, 42, 80, 0.4);
}

.form__note {
    margin-top: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* FOOTER */
.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 18px 0 26px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
}

.footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.footer__text {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.logo-vs-glow {
    height: 36px;
    filter: drop-shadow(0 0 18px rgba(255, 42, 80, 0.9));
    animation: glow 3.2s ease-in-out infinite;
}

/* BACK TO TOP */
.btn-top {
    position: fixed;
    right: 18px;
    bottom: 18px;
    width: 36px;
    height: 36px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(3, 3, 10, 0.95);
    color: var(--text-main);
    cursor: pointer;
    font-size: 0.8rem;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.7);
}

/* RESPONSIVE */
@media (max-width: 800px) {
    .header__inner {
        flex-wrap: wrap;
    }

    .nav {
        order: 3;
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero__inner {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 96px;
    }

    .footer__inner {
        flex-direction: column-reverse;
        align-items: flex-start;
    }
}