/* ==========================================================================
   STON.fi Cross-chain — Layout
   Container, Section, Site header (glass nav), Site footer, Hamburger.
   These compose a page; reused on every page.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Container — 1130px inner content rail.
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--page-max);
    margin: 0 auto;
    padding-left: var(--sp-5);
    padding-right: var(--sp-5);
}

@media (min-width: 768px) {
    .container {
        padding-left: var(--sp-7);
        padding-right: var(--sp-7);
    }
}

.container--narrow { max-width: 760px; }

/* --------------------------------------------------------------------------
   Section — vertical rhythm 80–120 px.
   -------------------------------------------------------------------------- */
.section {
    padding-top: var(--sp-9);
    padding-bottom: var(--sp-9);
}

@media (min-width: 768px) {
    .section {
        padding-top: var(--sp-10);
        padding-bottom: var(--sp-10);
    }
}

.section__header {
    margin-bottom: var(--sp-7);
    text-align: center;
}

.section__title {
    margin: 0 0 var(--sp-4);
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(28px, 1.6vw + 18px, 36px);
    line-height: 1.1;
    letter-spacing: -0.5px;
    color: var(--color-fg);
}

.section__subtitle {
    max-width: 56ch;
    margin: 0 auto;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.55;
    color: var(--color-fg-2);
}

.section--tight {
    padding-top: var(--sp-7);
    padding-bottom: var(--sp-7);
}

/* --------------------------------------------------------------------------
   Site header — 1130px glass nav.
   Sticky at top:16px, 14px y-padding, 22px x-padding, blur(50px).
   -------------------------------------------------------------------------- */
.site-backdrop {
    position: fixed;
    inset: 0;
    z-index: 90; /* below .site-header (100) so chrome + panels stay crisp */
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: rgba(2, 4, 12, 0.58);
    /* No backdrop-filter: a full-viewport blur is a long first-paint
       stall on iOS. Stay in the tree (not [hidden]) so the layer is
       ready; .is-on flips opacity in the same frame as the tap. */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    cursor: pointer;
    /* home.css animates body children in after the loader. Keep this
       layer out of that fill so a closed dimmer cannot get stuck on. */
    animation: none;
}
.site-backdrop.is-on {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.site-header {
    position: sticky;
    top: var(--header-offset);
    z-index: 100;
    width: calc(100% - 32px);
    max-width: var(--page-max);
    margin: var(--header-offset) auto 0;
    pointer-events: none; /* edges of margin don't trap clicks */
    overflow: visible;
}

.site-header__inner {
    display: flex;
    align-items: center;
    gap: var(--sp-5);
    height: var(--header-h);
    padding: 14px 22px;
    /* Glass fill + blur sit on ::before so this 64px box is not a
       backdrop-filter containing block. Filter on the box itself
       clips Radar / hamburger / wallet / profile panels that hang
       below the bar (WebKit treats backdrop-filter like overflow:hidden). */
    background: transparent;
    border: var(--hairline);
    border-radius: var(--radius-sharp);
    pointer-events: auto;
    position: relative;
    overflow: visible;
    isolation: isolate;
}

.site-header__inner::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    border-radius: inherit;
    background: rgba(21, 21, 23, 0.62);
    -webkit-backdrop-filter: blur(var(--blur-glass)) saturate(140%);
            backdrop-filter: blur(var(--blur-glass)) saturate(140%);
    pointer-events: none;
}

/* Mobile: flush opaque bar so scrolled content cannot peek above the
   header or in the gap before the mission tabs. Desktop keeps the float. */
@media (max-width: 959px) {
    .site-header {
        top: 0;
        width: 100%;
        max-width: none;
        margin-top: 0;
        background: var(--color-bg);
    }
    .site-header__inner {
        z-index: 1;
        border-radius: 0;
        border-left: 0;
        border-right: 0;
        border-top: 0;
    }
    .site-header__inner::before {
        background: var(--color-bg);
        -webkit-backdrop-filter: none;
                backdrop-filter: none;
        border-radius: 0;
    }
}

.site-header__logo {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 10px;
    color: var(--color-fg);
    transition: opacity var(--dur-hover) var(--ease);
}
.site-header__logo:hover { opacity: 0.85; }

.site-header__logo-img {
    display: block;
    height: 24px;
    width: auto;
}

/* Primary nav — desktop list + mobile sectioned drawer share #site-nav. */
.site-nav { display: none; }
.site-nav__list--desktop { display: none; }
.site-nav__mobile { display: none; }

@media (min-width: 960px) {
    .site-nav {
        display: block;
        flex: 1;
        min-width: 0;
    }
    .site-nav__list--desktop {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: var(--sp-6);
        flex-wrap: nowrap;
    }
    .site-nav__mobile { display: none !important; }
}

.site-nav__link,
.site-nav__trigger {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 0;
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 14px;
    line-height: 1;
    text-transform: lowercase;
    color: var(--color-fg-3);
    background: transparent;
    border: 0;
    cursor: pointer;
    transition: color var(--dur-hover) var(--ease);
}
.site-nav__link:hover,
.site-nav__trigger:hover { color: var(--color-fg); }

.site-nav__link.is-active,
.site-nav__trigger.is-active { color: var(--color-fg); }
.site-nav__link.is-active::after,
.site-nav__trigger.is-active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 1px;
    background: var(--color-cyan);
    box-shadow: var(--shadow-glow-cyan);
}

.site-nav__chevron {
    width: 10px;
    height: 10px;
    flex: 0 0 auto;
    opacity: 0.7;
    transition: transform var(--dur-hover) var(--ease), opacity var(--dur-hover) var(--ease);
}
.site-nav__trigger:hover .site-nav__chevron,
.site-nav__dropdown.is-open .site-nav__chevron { opacity: 1; }
.site-nav__dropdown.is-open .site-nav__chevron {
    transform: rotate(180deg);
}

/* Desktop dropdown panels */
.site-nav__dropdown {
    position: relative;
}
.site-nav__menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    z-index: 5;
    display: none;
    min-width: 11.5rem;
    margin: 0;
    padding: 6px;
    list-style: none;
    background: rgba(21, 21, 23, 0.96);
    -webkit-backdrop-filter: blur(var(--blur-glass)) saturate(140%);
            backdrop-filter: blur(var(--blur-glass)) saturate(140%);
    border: var(--hairline);
    border-color: rgba(64, 209, 253, 0.18);
    border-radius: var(--radius-sharp);
    box-shadow: var(--shadow-elev-1);
    transform: translateX(-50%);
}
.site-nav__dropdown.is-open .site-nav__menu {
    display: block;
}
.site-nav__menu-link {
    display: block;
    padding: 10px 12px;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.2;
    text-transform: lowercase;
    color: var(--color-fg-2);
    border-radius: 2px;
    transition:
        color      var(--dur-hover) var(--ease),
        background var(--dur-hover) var(--ease);
}
.site-nav__menu-link:hover {
    color: var(--color-fg);
    background: rgba(64, 209, 253, 0.06);
}
.site-nav__menu-link.is-active {
    color: var(--color-cyan);
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    margin-left: auto;
}

/* Below the desktop breakpoint the wallet pill collapses to a 40px
   square (see .wallet-hub__pill in components.css) so the header
   chrome is: logo · wallet · profile · burger. Tighten padding so
   those four items still fit at iPhone-SE-class widths (320px).
   Container outer margin is 100% - 32px, so usable inner width =
   vw - 32 - 2 * padding. */
@media (max-width: 959px) {
    .site-header__inner {
        gap: var(--sp-3);
        padding: 12px 14px;
    }
}

/* Hamburger */
.hamburger {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 9px 10px;
    background: rgba(255, 255, 255, 0.02);
    border: var(--hairline);
    border-radius: var(--radius-sharp);
    transition: border-color var(--dur-hover) var(--ease);
}
.hamburger:hover { border-color: var(--color-stroke-2); }

.hamburger span {
    display: block;
    height: 1px;
    background: var(--color-fg);
    transition:
        transform 0.24s var(--ease),
        opacity   0.24s var(--ease);
}

@media (min-width: 960px) {
    .hamburger { display: none; }
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}
.hamburger[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Mobile nav drawer (when .is-open) — sectioned Campaign / Radar / STON.fi */
.site-nav.is-open {
    display: block;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    /* Extra bottom pad so the hero "reserve your seat" CTA (53px)
       sits under the opaque drawer instead of flush against "dapp". */
    padding: var(--sp-4) var(--sp-5) var(--sp-9);
    background: var(--color-bg-2);
    -webkit-backdrop-filter: blur(var(--blur-glass));
            backdrop-filter: blur(var(--blur-glass));
    border: var(--hairline);
    border-radius: var(--radius-sharp);
    pointer-events: auto;
}
.site-nav.is-open .site-nav__list--desktop { display: none; }
.site-nav.is-open .site-nav__mobile {
    display: flex;
    flex-direction: column;
    gap: var(--sp-5);
}
.site-nav__section-label {
    margin: 0 0 var(--sp-2);
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--color-fg-2);
}
.site-nav__section-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin: 0;
    padding: 0 0 0 var(--sp-5);
    list-style: none;
}
.site-nav.is-open .site-nav__link {
    display: flex;
    width: 100%;
    padding: 11px 0;
    font-size: 16px;
}
.site-nav.is-open .site-nav__link.is-active::after {
    left: 0;
    right: auto;
    width: 18px;
    bottom: 6px;
}

/* --------------------------------------------------------------------------
   Site footer
   -------------------------------------------------------------------------- */
.site-footer {
    margin-top: var(--sp-9);
    padding: var(--sp-9) 0;
    background: var(--color-bg-1);
    border-top: var(--hairline);
}

.site-footer__cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-7) var(--sp-5);
}

@media (min-width: 768px) {
    .site-footer__cols {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--sp-7);
    }
}

.site-footer__title {
    margin: 0 0 var(--sp-4);
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: lowercase;
    color: var(--color-fg-3);
}
.site-footer__title::before {
    content: "// ";
    color: var(--color-cyan);
}

.site-footer__list li { margin-bottom: var(--sp-3); }

.site-footer__list a,
.site-footer__unlinked {
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 14px;
    line-height: 1.4;
    text-transform: lowercase;
}
.site-footer__list a {
    color: var(--color-fg-2);
}
.site-footer__list a:hover { color: var(--color-fg); }
.site-footer__unlinked {
    color: var(--color-fg-4);
}