/* ========================================
   Liquid Glass — Header & Footer Override
   Overrides existing .header and .footer
   classes from about.css
   
   Target: test.jollygoodplus.com
   Spec: design_spec_jgplus.md
======================================== */

/* --- Design Tokens --- */
:root {
    --jg-blue: #0172E0;
    --jg-blue-light: #00A2F4;
    --jg-pink: #E33F81;
    --jg-pink-light: #F8858D;
    --jg-purple: #5F2B9A;
    --jg-purple-light: #A678DB;
    --jg-navy: #1F2536;
    --jg-dark: #2D313D;
    --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
    --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   HEADER — Liquid Glass Override
============================================ */
.header {
    /* Override: remove solid white bg + heavy shadow */
    background: rgba(255, 255, 255, 0.88) !important;
    backdrop-filter: saturate(180%) blur(40px) brightness(1.05);
    -webkit-backdrop-filter: saturate(180%) blur(40px) brightness(1.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 1px 12px rgba(0, 0, 0, 0.04) !important;
    transition: background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

/* Scroll state — more solid */
.header.scrolled {
    background: rgba(255, 255, 255, 0.96) !important;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08) !important;
    border-bottom-color: rgba(0, 0, 0, 0.1);
}

/* Upper highlight edge */
.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.5);
    pointer-events: none;
    z-index: 1;
}

/* Nav link hover — underline animation */
.header__nav-list li>a {
    position: relative;
    transition: color 0.2s ease !important;
}

.header__nav-list li>a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--jg-blue), var(--jg-blue-light));
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.2s ease;
    border-radius: 1px;
}

.header__nav-list li>a:hover::after,
.header__nav-list li>a.current::after {
    transform: scaleX(1);
}

/* Override the old opacity hover */
.header__nav-list li>a:hover {
    opacity: 1 !important;
    color: var(--jg-blue) !important;
}

.header__nav-list li>a.current {
    color: var(--jg-blue) !important;
}

/* CTA buttons — subtle lift on hover */
.header__btn-list li a {
    transition: filter 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease !important;
    border-radius: 20px;
}

.header__btn-list li a:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ============================================
   FOOTER — Dark Glass Override
============================================ */
.footer {
    background: linear-gradient(180deg, var(--jg-navy) 0%, #0d1420 100%) !important;
    color: #f5f5f7 !important;
    position: relative;
    overflow: hidden;
}

/* Gradient top line */
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
            transparent 0%,
            rgba(255, 255, 255, 0.15) 50%,
            transparent 100%);
    z-index: 1;
}

.footer__inner {
    position: relative;
    z-index: 1;
}

/* Logo — white version */
.footer__logo img,
.footer .footer__logo img {
    filter: brightness(0) invert(1);
    transition: opacity 0.2s ease;
}

.footer__logo:hover img {
    opacity: 0.8;
}

/* Nav links — light text */
.footer__nav-list li,
.footer__nav-list li a {
    color: rgba(255, 255, 255, 0.6) !important;
    transition: color 0.2s ease;
}

.footer__nav-list li a:hover {
    color: rgba(255, 255, 255, 0.95) !important;
}

/* Sub nav links */
.footer__nav-sublist li a {
    color: rgba(255, 255, 255, 0.4) !important;
}

.footer__nav-sublist li a:hover {
    color: rgba(255, 255, 255, 0.7) !important;
}

/* Copyright */
.footer__c {
    color: rgba(255, 255, 255, 0.3) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 16px;
    margin-top: 16px;
    font-family: 'Roboto', 'IBM Plex Sans', sans-serif;
    letter-spacing: 0.02em;
}

/* ============================================
   FOLLOW BUTTON — Glass enhancement
============================================ */
.c-followbtn,
.c-followbtn-pink,
.c-followbtn-purple {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: transform 0.2s ease, box-shadow 0.2s ease !important;
}

.c-followbtn:hover,
.c-followbtn-pink:hover,
.c-followbtn-purple:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2) !important;
}

/* ============================================
   BACK TO TOP — Glass style
============================================ */
.back2top {
    background: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 0, 0, 0.06) !important;
    border-radius: 50% !important;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08) !important;
    transition: transform 0.2s ease, box-shadow 0.2s ease !important;
}

.back2top:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12) !important;
}

/* ============================================
   SP MOBILE MENU — Glass overlay
============================================ */
.header-nav-sp {
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    background: rgba(255, 255, 255, 0.97) !important;
}

/* ============================================
   ASIDE CTA — Glass enhancement
============================================ */
.aside__wrap {
    position: relative;
}

.aside__inner {
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06) !important;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.aside__inner:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1) !important;
}

.aside__btn-pink,
.aside__btn-purple {
    transition: filter 0.2s ease, transform 0.2s ease !important;
    border-radius: 24px !important;
}

.aside__btn-pink:hover,
.aside__btn-purple:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

/* ============================================
   FLOATING GLASS NAV BAR
   (shared — used by top page & about subpages)
============================================ */
.glass-nav {
    position: fixed;
    top: 12px;
    left: 24px;
    right: 24px;
    max-width: 1100px;
    margin: 0 auto;
    z-index: 10000;
    background: rgba(40, 40, 44, 0.35);
    backdrop-filter: saturate(180%) blur(40px) brightness(1.1);
    -webkit-backdrop-filter: saturate(180%) blur(40px) brightness(1.1);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    overflow: hidden;
    transition: background 0.2s ease, box-shadow 0.2s ease;
}

.glass-nav::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, transparent 100%);
    pointer-events: none;
    border-radius: 20px 20px 0 0;
}

.glass-nav__inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 50px;
    line-height: 1;
    position: relative;
    z-index: 1;
}

.glass-nav__logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.glass-nav__logo img {
    height: 22px;
    width: auto;
}

.glass-nav__links {
    display: flex;
    gap: 24px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.glass-nav__links a {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.02em;
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    line-height: 1;
    transition: color 0.18s ease, text-shadow 0.18s ease;
}

.glass-nav__links a:hover {
    color: #ffffff;
    text-shadow: 0 0 12px rgba(255, 255, 255, 0.55);
}

.glass-nav__actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.glass-nav__cta {
    display: inline-flex;
    align-items: center;
    padding: 5px 14px;
    border-radius: 12px;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 11px;
    font-weight: 500;
    color: #f5f5f7;
    text-decoration: none;
    transition: all 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.06);
}

.glass-nav__cta:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.glass-nav__cta--signup {
    background: rgba(1, 114, 224, 0.4);
    border-color: rgba(1, 114, 224, 0.5);
}

.glass-nav__cta--signup:hover {
    background: rgba(1, 114, 224, 0.6);
}

.glass-nav__menu-btn {
    display: none;
    background: none;
    border: none;
    color: #f5f5f7;
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
}

/* Mobile menu open state */
@media screen and (max-width: 768px) {
    .glass-nav {
        top: 8px;
        left: 12px;
        right: 12px;
    }

    .glass-nav__inner {
        height: 44px;
        padding: 0 16px;
    }

    .glass-nav__links,
    .glass-nav__actions {
        display: none;
    }

    .glass-nav__menu-btn {
        display: block;
    }

    .glass-nav.menu-open .glass-nav__links {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 60px;
        left: 12px;
        right: 12px;
        background: rgba(20, 20, 24, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-radius: 16px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        padding: 16px;
        gap: 0;
        z-index: 9999;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    }

    .glass-nav.menu-open .glass-nav__links a {
        display: block;
        padding: 14px 12px;
        font-size: 15px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .glass-nav.menu-open .glass-nav__links li:last-child a {
        border-bottom: none;
    }

    .glass-nav.menu-open .glass-nav__actions {
        display: flex;
        gap: 8px;
        position: fixed;
        bottom: 24px;
        left: 12px;
        right: 12px;
        z-index: 9999;
    }

    .glass-nav.menu-open .glass-nav__cta {
        flex: 1;
        justify-content: center;
        padding: 12px;
        font-size: 13px;
        border-radius: 14px;
    }
}

/* ============================================
   DARK GLASS FOOTER (new structure)
============================================ */
.glass-footer {
    background: linear-gradient(180deg, #1F2536 0%, #0d1420 100%);
    color: #f5f5f7;
    position: relative;
    overflow: hidden;
}

.glass-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.15) 50%, transparent 100%);
    z-index: 1;
}

.glass-footer__inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 48px 24px 24px;
    position: relative;
    z-index: 1;
}

.glass-footer__logo {
    display: block;
    width: 140px;
    margin-bottom: 28px;
}

.glass-footer__logo img {
    width: 100%;
    height: auto;
}

.glass-footer__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 28px;
    margin-bottom: 32px;
}

.glass-footer__nav a {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 12px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.2s ease;
}

.glass-footer__nav a:hover {
    color: rgba(255, 255, 255, 0.9);
}

.glass-footer__copy {
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    font-family: 'Roboto', sans-serif;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.25);
    letter-spacing: 0.02em;
}