html,
body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Lexend', sans-serif;
    font-size: 18px;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --header-bg: #ffffff;
    --header-text: #000000;
    --header-text-muted: #575757;
    --header-pad-y: 35px;
    --header-pad-x: 50px;
    --logo-height: 140px;
    --nav-gap: 60px;
    --icon-size: 45px;
    --transition-speed: 0.3s;
    --mobile-breakpoint: 900px;
    --z-header: 1000;
    --z-paper-back: 1;
    --z-paper-window: 2;
    --z-paper-front: 3;
    --z-chrome: 4;
    --header-height: calc(var(--logo-height) + (2 * var(--header-pad-y)));
}

/* ============================
   Header shell
   position:sticky + transform-only hide/show. Padding is fluid
   (clamp) instead of jumping at breakpoints, so the header height
   never "pops" while resizing or scrolling.
   ============================ */
.site-header {
    background-color: var(--header-bg);
    color: var(--header-text);
    position: sticky;
    top: 0;
    width: 100%;
    z-index: var(--z-header);
    transition: transform var(--transition-speed) ease;
}

.site-header.header-hidden {
    transform: translateY(-100%);
}

/* ============================
   Grid layout: logo / nav / actions
   This is the key structural fix. A 3-column grid means the logo
   has a real, reserved column — it can never overlap the nav links
   the way it did with position:absolute, regardless of how much
   space the nav or action items take up.
   ============================ */
.header-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: var(--header-pad-y) var(--header-pad-x);
    margin: 0 auto;
}

.brand {
    order: 2;
    justify-self: center;
}

.logo-link {
    display: block;
}

.logo-img {
    height: var(--logo-height);
    width: auto;
    display: block;
    margin-left: 30px;
    margin-right: 30px;
}

/* ============================
   Primary nav (desktop)
   ============================ */
.nav-start {
    order: 1;
    justify-self: start;
    display: flex;
    align-items: center;
}

.primary-nav {
    display: block;
}

.nav-list {
    list-style: none;
    display: flex;
    gap: var(--nav-gap);
    margin: 0;
    padding: 0;
}

.nav-list a {
    text-decoration: none;
    color: var(--header-text);
    white-space: nowrap;
}

.nav-list a:hover {
    text-decoration: underline;
    text-underline-offset: 6px;
}

/* ============================
   Actions: contact + socials (desktop) / hamburger (mobile)
   ============================ */
.header-actions {
    order: 3;
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 18px;
}

.social-nav {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-link {
    color: var(--header-text);
    text-decoration: none;
    margin-left: 20px;
    white-space: nowrap;
}

.contact-link:hover {
    text-decoration: underline;
    text-underline-offset: 6px;
}

.icon-link {
    color: var(--header-text-muted);
    font-size: var(--icon-size);
    line-height: 1;
    margin-left: 20px;
    display: flex;
    text-decoration: none;
}

.icon-link:hover {
    color: var(--header-text);
    text-decoration: none;
}

/* Contact icon shows only on mobile; desktop uses the full social-nav */
.contact-icon {
    display: none;
}

/* ============================
   Paper-tilt mobile menu
   load.js wraps all existing body content in #paper-window > #paper-front
   at runtime, and injects #paper-back plus the hamburger/close buttons
   as body-level siblings. Opening the menu tilts #paper-front off to the
   side, revealing #paper-back (the real nav) sitting underneath.
   ============================ */

/* The scrollable "page" — this replaces the document/body as the
   scroll container, since #paper-front needs a fixed-size viewport
   to rotate within. */
#paper-window {
    height: 100vh;
    width: 100vw;
    position: relative;
    overflow-x: hidden;
    overflow-y: scroll;
    z-index: var(--z-paper-window);
}

#paper-window.tilt {
    overflow: hidden;
    /* Without this, #paper-window (which spans the full viewport at all
       times) intercepts clicks even over the transparent areas where
       #paper-back is visually showing through — nav links underneath
       become unclickable. #paper-front re-enables pointer events on
       itself below, so clicking the visible sliver of the page still
       closes the menu. */
    pointer-events: none;
}

/* The actual page content (header injected here, plus everything else).
   Carries the sticky-footer flex layout that used to live on body. */
#paper-front {
    pointer-events: auto;
    position: relative;
    z-index: var(--z-paper-front);
    background-color: var(--header-bg);
    box-shadow: 0 0 20px rgb(197, 119, 83);
    transform-origin: center 70%;
    transition: transform var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

#paper-window.tilt #paper-front {
    transform: translateX(24%) rotate(10deg) translateZ(0);
}

/* The reveal layer sitting behind the page — this is the actual mobile nav */
#paper-back {
    width: 100%;
    height: 100vh;
    background-color: rgb(241, 161, 124);
    position: fixed;
    top: 0;
    left: 0;
    z-index: var(--z-paper-back);
}

#paper-back nav {
    padding: 160px 54px;
}

#paper-back nav a {
    display: block;
    margin-bottom: 25px;
    text-decoration: none;
    font-size: 28px;
    font-family: 'Lexend', sans-serif;
    color: rgba(255, 255, 255, 0.7);
}

#paper-back nav a:hover {
    color: #ffffff;
}

/* Hamburger + close -- fixed chrome, siblings of #paper-window (see
   load.js's setupPaperShell comment for why they must NOT be descendants
   of #paper-front). Their position is unaffected by the tilt transform
   happening inside #paper-window. The "chrome-hidden" class is toggled by
   load.js in lockstep with the header's own "header-hidden" class, so they
   visually move together on scroll even though they're not nested inside
   the header in the DOM. */
.hamburger,
.close {
    position: fixed;
    top: calc((var(--header-height) - 34px) / 2);
    left: var(--header-pad-x);
    z-index: var(--z-chrome);
    width: 45px;
    height: 34px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    transition: transform var(--transition-speed) ease;
}

.hamburger.chrome-hidden,
.close.chrome-hidden {
    transform: translateY(calc(-1 * var(--header-height) - 20px));
}

.hamburger {
    display: none;
    user-select: none;
}

.close {
    display: none;
}

.hamburger span,
.hamburger span::before,
.hamburger span::after {
    display: block;
    width: 40px;
    height: 5px;
    background-color: var(--header-text-muted);
    border-radius: 2px;
}

.hamburger span {
    position: relative;
}

.hamburger span::before,
.hamburger span::after {
    content: '';
    position: absolute;
}

.hamburger span::before {
    bottom: -14px;
}

.hamburger span::after {
    bottom: -28px;
}

.close::before,
.close::after {
    content: '';
    position: absolute;
    display: block;
    width: 45px;
    height: 6px;
    top: 50%;
    background-color: #ffffff;
    border-radius: 2px;
}

.close::before {
    transform: translateY(-50%) rotate(45deg);
}

.close::after {
    transform: translateY(-50%) rotate(-45deg);
}

.hamburger:focus-visible,
.close:focus-visible {
    outline: 2px solid var(--header-text);
    outline-offset: 3px;
}

/* Swap which icon shows based on open state, driven purely by the
   .tilt class load.js toggles on #paper-window — no extra JS needed
   to manage icon visibility. */
#paper-window.tilt ~ .hamburger {
    display: none;
}

#paper-window.tilt ~ .close {
    display: flex;
}

/* ============================
   Mobile nav switch
   Driven by body.nav-mobile, which load.js toggles based on actually
   measuring whether the nav/logo/actions would overlap — not a
   guessed pixel breakpoint. The max-width query below is a no-JS
   fallback only.
   ============================ */
body.nav-mobile .primary-nav,
body.nav-mobile .social-nav {
    display: none;
}

body.nav-mobile .contact-icon {
    display: flex;
    align-items: center;
}

body.nav-mobile .hamburger {
    display: flex;
}

@media (max-width: 480px) {
    .primary-nav,
    .social-nav {
        display: none;
    }

    .contact-icon {
        display: flex;
        align-items: center;
    }

    .hamburger {
        display: flex;
    }
}

p {
    font-size: 12px;
}