@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

:root {
    --bgColor1: #070707;
    --bgColor2: #000000;
    --txtColor: #ffffff;
    --txtColorDrk: #919191;
    --txtColorZoom: #f91b33;
    --txtColorZoom2: #ef1a30;
    --txtColorTransparent: #f91b3150;
    --headerHeight: 72px;
    --transition-page: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    
    --red: #f91b33;
    --red-dim: rgba(249, 27, 51, 0.12);
    --red-glow: rgba(249, 27, 51, 0.35);
    --card-bg: rgba(12, 12, 14, 0.85);
    --card-border: rgba(255, 255, 255, 0.06);
    --surface: rgba(14, 14, 18, 0.92);
    --muted: #6b6b78;
    --font-display: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --slide-dur: 480ms;
    --slide-ease: cubic-bezier(0.4, 0, 0.2, 1);
}

::selection {
    background: var(--txtColorZoom);
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
    background-color: #111;
    width: 6px;
    border-radius: 8px;
}

::-webkit-scrollbar-track {
    border-radius: 10px;
    background: #111;
}

::-webkit-scrollbar-thumb {
    background: var(--txtColorZoom);
    border-radius: 10px;
}

html,
body {
    scroll-behavior: smooth;
    min-height: 100vh;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
    background: var(--bgColor1);
    background: linear-gradient(160deg, var(--bgColor1), var(--bgColor2));
    color: var(--txtColor);
    font-family: 'Open Sans', sans-serif;
}

body {
    overflow: hidden;
}



#page-transition-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bgColor1);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-page);
}

#page-transition-overlay.fade-out {
    opacity: 0;
}

#page-transition-overlay.fade-in {
    opacity: 1;
    pointer-events: all;
}



#page-content {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity var(--transition-page), transform var(--transition-page);
}

#page-content.loaded {
    opacity: 1;
    transform: translateY(0);
}



header {
    position: fixed;
    z-index: 100;
    width: 100%;
    top: 0;
    height: var(--headerHeight);
    transition: background 300ms ease, box-shadow 300ms ease;
}

header.scrolled {
    backdrop-filter: blur(14px) saturate(180%);
    -webkit-backdrop-filter: blur(14px) saturate(180%);
    background: rgba(7, 7, 7, 0.92);
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.5);
}

.header-spacer {
    height: 80px;
}

#header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
    box-sizing: border-box;
}


.header-logo-wrap img {
    display: block;
    height: 32px;
    width: auto;
    transition: opacity 200ms ease, transform 200ms ease;
}

.header-logo-wrap img:hover {
    opacity: 0.8;
    transform: scale(1.04);
}



.header-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative;
}

.header-nav a {
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.75);
    padding: 6px 14px;
    border-radius: 6px;
    transition: color 200ms ease, background 200ms ease;
    position: relative;
    user-select: none;
}

.header-nav a:hover,
.header-nav a.active {
    color: #fff;
}

.header-nav a.active {
    color: var(--txtColorZoom);
}


.nav-indicator {
    position: absolute;
    bottom: -2px;
    left: 0;
    height: 2px;
    background: var(--txtColorZoom);
    border-radius: 2px;
    transition: left 250ms cubic-bezier(0.4, 0, 0.2, 1),
        width 250ms cubic-bezier(0.4, 0, 0.2, 1),
        opacity 200ms ease;
    opacity: 0;
    pointer-events: none;
}



.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 6px;
    border-radius: 8px;
    transition: background 200ms ease;
    z-index: 200;
}

.hamburger:hover {
    background: rgba(255, 255, 255, 0.07);
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--txtColor);
    border-radius: 2px;
    transition: transform 320ms cubic-bezier(0.4, 0, 0.2, 1),
        opacity 200ms ease,
        width 200ms ease;
    transform-origin: center;
}


.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
    width: 0;
}

.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}



.mobile-nav {
    display: none;
    position: fixed;
    top: var(--headerHeight);
    left: 0;
    right: 0;
    z-index: 99;
    background: rgba(9, 9, 9, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 16px 0 24px;
    transform: translateY(-110%);
    opacity: 0;
    transition: transform 380ms cubic-bezier(0.4, 0, 0.2, 1),
        opacity 300ms ease;
    pointer-events: none;
}

.mobile-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
}

.mobile-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    padding: 14px 32px;
    border-left: 3px solid transparent;
    transition: color 200ms ease, border-color 200ms ease, background 200ms ease, padding-left 200ms ease;
}

.mobile-nav a:hover,
.mobile-nav a.active {
    color: #fff;
    background: rgba(249, 27, 51, 0.08);
    border-left-color: var(--txtColorZoom);
    padding-left: 38px;
}

.mobile-nav a.active {
    color: var(--txtColorZoom);
}


.nav-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 98;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 300ms ease;
    pointer-events: none;
}

.nav-backdrop.open {
    opacity: 1;
}

.site-footer {
    position: relative;
    margin-top: 80px;
    background: #111111;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1100px;
    margin: 0 auto;
    padding: 48px 40px;
    gap: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-logo-link {
    display: inline-block;
    transition: opacity 200ms ease, transform 200ms ease;
}

.footer-logo-link:hover {
    opacity: 0.7;
    transform: scale(1.03);
}

.footer-copy {
    font-size: 0.75rem;
    color: #444;
    letter-spacing: 0.02em;
    margin: 0;
}

.footer-socials-col {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 14px;
}

.footer-socials-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #3a3a3a;
}

.footer-socials {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-social-link {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    color: #555;
    font-size: 0.95rem;
    text-decoration: none;
    background: #1a1a1a;
    transition: color 200ms ease,
        background 200ms ease,
        transform 250ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.footer-social-link:hover {
    color: #fff;
    background: var(--txtColorZoom);
    transform: translateY(-4px) scale(1.1);
}


.footer-social-link::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: #1c1c1c;
    color: #ccc;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 5px 10px;
    border-radius: 20px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 160ms ease, transform 160ms ease;
}

.footer-social-link:hover::before {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.footer-bar {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 40px 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

@media screen and (max-width: 768px) {
    :root {
        --headerHeight: 64px;
    }

    #header-row {
        padding: 0 20px;
    }


    .header-nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .mobile-nav {
        display: block;
    }

    .nav-backdrop {
        display: block;
    }

    .footer-inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 40px 24px 32px;
        gap: 32px;
    }

    .footer-socials-col {
        align-items: center;
    }

    .footer-bar {
        padding: 0 24px 24px;
        text-align: center;
    }
}

@media screen and (max-width: 460px) {
    ::-webkit-scrollbar {
        display: none;
    }

    #header-row {
        padding: 0 16px;
    }

    .mobile-nav a {
        padding: 16px 24px;
        font-size: 1rem;
    }

    .footer-social-link {
        width: 40px;
        height: 40px;
        font-size: 0.88rem;
    }

    .footer-inner {
        padding: 32px 20px 28px;
    }
}