/* =========================================================
   KADE MERCER — CLEAN V2 STYLESHEET
   One desktop navigation and one mobile drawer only.
========================================================= */

:root {
    --bg: #080808;
    --surface: #0d0d0d;
    --card: #151515;
    --red: #d72631;
    --red-dark: #a9151d;
    --text: #ffffff;
    --muted: #bbbbbb;
    --header-height: 80px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 15px);
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

body.menu-open {
    overflow: hidden;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea,
select {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

section {
    padding: 100px 8%;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid var(--red);
    outline-offset: 4px;
}

/* ==========================
   HEADER — DESKTOP
========================== */

.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 28px;
    width: 100%;
    min-height: var(--header-height);
    padding: 0 8%;
    background: rgba(8, 8, 8, 0.96);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}

.author-logo,
.mobile-menu-logo {
    flex-shrink: 0;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 27px;
    font-weight: 700;
    letter-spacing: 2px;
    white-space: nowrap;
}

.author-logo span,
.mobile-menu-logo span {
    color: var(--red);
}

.desktop-language-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    color: #777777;
    font-size: 14px;
    font-weight: 700;
}

.desktop-language-switcher a {
    color: #cccccc;
    transition: color 0.25s ease;
}

.desktop-language-switcher a:hover,
.desktop-language-switcher .active-language {
    color: var(--red);
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.main-nav .nav-links a {
    position: relative;
    color: #dddddd;
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
    transition: color 0.25s ease;
}

.main-nav .nav-links a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -7px;
    left: 0;
    height: 2px;
    background: var(--red);
    transform: scaleX(0);
    transition: transform 0.25s ease;
}

.main-nav .nav-links a:hover {
    color: #ffffff;
}

.main-nav .nav-links a:hover::after {
    transform: scaleX(1);
}

.menu-button,
.menu-close,
.menu-overlay,
.mobile-menu-top,
.mobile-menu-divider,
.mobile-language-block,
.mobile-menu-cta,
.mobile-menu-note {
    display: none;
}

.nav-icon {
    display: none;
}

/* ==========================
   HERO
========================== */

.hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 100vh;
    padding: 130px 8% 80px;
    overflow: hidden;
    background:
        linear-gradient(
            90deg,
            rgba(0, 0, 0, 0.98) 0%,
            rgba(0, 0, 0, 0.88) 45%,
            rgba(0, 0, 0, 0.55) 100%
        );
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 50%, rgba(183, 25, 34, 0.18), transparent 40%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 760px;
}

.hero-label,
.section-label {
    color: var(--red);
    font-weight: 700;
    text-transform: uppercase;
}

.hero-label {
    margin-bottom: 18px;
    font-size: 14px;
    letter-spacing: 4px;
}

.hero h1 {
    max-width: 800px;
    margin-bottom: 24px;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(52px, 8vw, 100px);
    line-height: 0.95;
    letter-spacing: -3px;
}

.hero h1 span {
    display: block;
    color: var(--red);
}

.hero-description {
    max-width: 650px;
    margin-bottom: 35px;
    color: #cccccc;
    font-size: 19px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

/* ==========================
   BUTTONS
========================== */

.primary-button,
.secondary-button,
.book-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    font-weight: 700;
    text-align: center;
    transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.primary-button,
.secondary-button {
    min-width: 170px;
    padding: 15px 25px;
}

.primary-button,
.book-button {
    color: #ffffff;
    background: var(--red-dark);
}

.primary-button:hover,
.book-button:hover {
    background: var(--red);
    transform: translateY(-2px);
}

.secondary-button {
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.secondary-button:hover {
    color: #080808;
    background: #ffffff;
    border-color: #ffffff;
    transform: translateY(-2px);
}

/* ==========================
   SECTION HEADINGS
========================== */

.section-heading {
    max-width: 760px;
    margin-bottom: 50px;
}

.section-label {
    margin-bottom: 10px;
    font-size: 13px;
    letter-spacing: 3px;
}

.section-heading h2,
.featured-content h2,
.author-content h2,
.newsletter h2 {
    font-family: Georgia, "Times New Roman", serif;
    line-height: 1.1;
}

.section-heading h2 {
    margin-bottom: 15px;
    font-size: clamp(38px, 5vw, 58px);
}

.section-heading p {
    color: #aaaaaa;
    font-size: 17px;
}

/* ==========================
   BOOKS
========================== */

.books-section {
    background: var(--surface);
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
}

.book-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.book-card:hover {
    transform: translateY(-8px);
    border-color: rgba(215, 38, 49, 0.6);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45);
}

.book-cover {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 470px;
    padding: 30px;
    background: linear-gradient(145deg, #1b1b1b, #070707);
}

.book-cover img {
    width: 100%;
    max-width: 280px;
    height: 410px;
    object-fit: cover;
    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.7);
}

.book-info {
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    padding: 28px;
}

.book-series {
    margin-bottom: 8px;
    color: var(--red);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.book-info h3 {
    margin-bottom: 12px;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 27px;
    line-height: 1.2;
}

.book-info p:not(.book-series) {
    margin-bottom: 22px;
    color: #aaaaaa;
    line-height: 1.75;
}

.book-button {
    margin-top: auto;
    padding: 12px 20px;
    font-size: 14px;
}

.coming-soon,
.coming-soon:hover {
    background: #292929;
    cursor: default;
    transform: none;
}

/* ==========================
   FEATURED BOOK
========================== */

.featured-book {
    display: grid;
    grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
    gap: 80px;
    align-items: center;
    background: linear-gradient(135deg, #080808, #171717);
}

.featured-cover img {
    width: 100%;
    max-width: 400px;
    margin: auto;
    box-shadow: 0 25px 55px rgba(0, 0, 0, 0.8);
}

.featured-content {
    min-width: 0;
}

.featured-content h2 {
    margin-bottom: 18px;
    font-size: clamp(42px, 6vw, 70px);
    line-height: 1;
    overflow-wrap: anywhere;
}

.featured-content h3 {
    margin-bottom: 20px;
    color: var(--red);
    font-size: 18px;
    line-height: 1.5;
}

.featured-content p {
    max-width: 680px;
    margin-bottom: 22px;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.8;
}

/* ==========================
   AUTHOR
========================== */

.author-section {
    display: block;
    background: var(--surface);
}

.author-content {
    max-width: 850px;
    margin: auto;
}

.author-content h2 {
    margin-bottom: 20px;
    font-size: clamp(42px, 5vw, 62px);
}

.author-content p {
    margin-bottom: 20px;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.8;
}

/* ==========================
   NEWSLETTER
========================== */

.newsletter {
    text-align: center;
    background: linear-gradient(rgba(120, 10, 17, 0.9), rgba(70, 4, 8, 0.95));
}

.newsletter-content {
    max-width: 750px;
    margin: auto;
}

.newsletter h2 {
    margin-bottom: 15px;
    font-size: clamp(38px, 5vw, 58px);
}

.newsletter p {
    margin-bottom: 30px;
    color: #f0d9db;
    font-size: 17px;
}

.newsletter-form {
    display: flex;
    width: 100%;
    max-width: 580px;
    margin: auto;
}

.newsletter-form input {
    flex: 1;
    min-width: 0;
    padding: 16px;
    color: #111111;
    background: #ffffff;
    border: 2px solid transparent;
    border-radius: 5px 0 0 5px;
    outline: none;
}

.newsletter-form input:focus {
    border-color: #080808;
}

.newsletter-form button {
    padding: 16px 24px;
    color: #ffffff;
    background: #080808;
    border: 0;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
    font-weight: 700;
}

.newsletter-form button:hover {
    background: #242424;
}

/* ==========================
   FOOTER
========================== */

.site-footer {
    padding: 35px 8%;
    color: #888888;
    background: #050505;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
}

.site-footer p {
    margin-bottom: 8px;
}

.site-footer p:last-child {
    margin-bottom: 0;
}

/* ==========================
   TABLET
========================== */

@media (max-width: 1000px) {
    .site-header {
        padding-inline: 5%;
    }

    .nav-links {
        gap: 20px;
    }

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

    .featured-book {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .featured-cover img {
        max-width: 350px;
    }
}

/* ==========================
   MOBILE DRAWER
========================== */

@media (max-width: 780px) {
    :root {
        --header-height: 76px;
    }

    .site-header {
        z-index: 1200;
        justify-content: space-between;
        padding: 0 5%;
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
    }

    .author-logo {
        font-size: 23px;
    }

    .desktop-language-switcher {
        display: none;
    }

    .menu-button {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        width: 50px;
        height: 50px;
        margin-left: auto;
        padding: 0;
        background: rgba(183, 25, 34, 0.04);
        border: 1px solid rgba(215, 38, 49, 0.38);
        border-radius: 7px;
        cursor: pointer;
    }

    .menu-button span {
        display: block;
        width: 23px;
        height: 2px;
        margin: 0 auto;
        background: var(--red);
        border-radius: 10px;
    }

    .menu-button.active {
        opacity: 0;
        pointer-events: none;
    }

    .menu-overlay {
        position: fixed;
        inset: 0;
        z-index: 1201;
        display: block;
        width: 100%;
        height: 100%;
        padding: 0;
        background: rgba(0, 0, 0, 0.72);
        border: 0;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    .menu-overlay.open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .main-nav {
        position: fixed;
        inset: 0 0 0 auto;
        z-index: 1202;
        display: block;
        width: min(91vw, 390px);
        height: 100vh;
        height: 100dvh;
        padding: 28px 24px 38px;
        overflow-x: hidden;
        overflow-y: auto;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
        background:
            radial-gradient(circle at 100% 0, rgba(183, 25, 34, 0.12), transparent 34%),
            #0b0b0b;
        border-left: 1px solid rgba(215, 38, 49, 0.42);
        box-shadow: -24px 0 55px rgba(0, 0, 0, 0.65);
        transform: translateX(105%);
        visibility: hidden;
        transition: transform 0.34s ease, visibility 0.34s ease;
    }

    .main-nav.open {
        transform: translateX(0);
        visibility: visible;
    }

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

    .mobile-menu-logo {
        font-size: 25px;
        letter-spacing: 1.5px;
    }

    .menu-close {
        position: relative;
        z-index: 1203;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        flex: 0 0 54px;
        width: 54px;
        height: 54px;
        color: var(--red);
        background: rgba(215, 38, 49, 0.04);
        border: 1px solid rgba(215, 38, 49, 0.48);
        border-radius: 50%;
        font-size: 40px;
        line-height: 1;
        cursor: pointer;
    }

    .mobile-menu-divider {
        display: block;
        height: 1px;
        margin: 26px 0 20px;
        background: rgba(255, 255, 255, 0.13);
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .main-nav .nav-links a {
        display: grid;
        grid-template-columns: 58px 1fr;
        align-items: center;
        width: 100%;
        min-height: 70px;
        padding: 7px 6px;
        color: #ffffff;
        border-bottom: 1px solid rgba(255, 255, 255, 0.11);
        font-size: 16px;
        font-weight: 800;
        letter-spacing: 1.3px;
        text-transform: uppercase;
    }

    .main-nav .nav-links a::after {
        display: none;
    }

    .main-nav .nav-links a:hover,
    .main-nav .nav-links a:focus-visible {
        color: var(--red);
    }

    .nav-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        color: var(--red);
        border: 1px solid rgba(215, 38, 49, 0.5);
        border-radius: 50%;
        font-size: 20px;
    }

    .mobile-language-block {
        display: block;
        margin-top: 28px;
    }

    .mobile-language-block > p {
        margin-bottom: 14px;
        color: #9b9b9b;
        font-size: 12px;
        font-weight: 800;
        letter-spacing: 4px;
    }

    .mobile-language-buttons {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .mobile-language-buttons a {
        display: flex;
        align-items: center;
        justify-content: center;
        min-width: 0;
        min-height: 54px;
        padding: 11px;
        color: #ffffff;
        border: 1px solid rgba(255, 255, 255, 0.22);
        border-radius: 5px;
        font-size: 14px;
        font-weight: 700;
    }

    .mobile-language-buttons a.active-language {
        background: var(--red-dark);
        border-color: var(--red);
    }

    .mobile-menu-cta {
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 60px;
        margin-top: 24px;
        padding: 14px;
        color: #ffffff !important;
        background: linear-gradient(135deg, var(--red), #8f1018);
        border-radius: 5px;
        font-size: 14px;
        font-weight: 900;
        letter-spacing: 1.4px;
        text-align: center;
    }

    .mobile-menu-note {
        display: block;
        margin-top: 22px;
        color: #888888;
        font-size: 13px;
    }

    .hero {
        min-height: auto;
        padding: 122px 6% 90px;
        background-position: 65% center;
        text-align: center;
    }

    .hero-content {
        margin: auto;
    }

    .hero-label {
        font-size: 12px;
        letter-spacing: 2.5px;
    }

    .hero h1 {
        letter-spacing: -1px;
    }

    .hero-description {
        margin-inline: auto;
        font-size: 17px;
    }

    .hero-buttons {
        justify-content: center;
    }

    section {
        padding: 80px 6%;
    }

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

    .book-cover {
        min-height: 420px;
    }

    .book-cover img {
        max-width: 270px;
    }

    .featured-book {
        gap: 45px;
    }

    .newsletter-form {
        flex-direction: column;
        gap: 12px;
    }

    .newsletter-form input,
    .newsletter-form button {
        width: 100%;
        border-radius: 5px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding-inline: 5%;
    }

    .hero h1 {
        font-size: 46px;
    }

    .primary-button,
    .secondary-button {
        width: 100%;
    }

    section {
        padding: 70px 5%;
    }

    .book-cover {
        min-height: 380px;
        padding: 24px;
    }

    .book-cover img {
        height: auto;
    }

    .book-info {
        padding: 24px;
    }

    .main-nav {
        width: 94vw;
        padding-inline: 19px;
    }

    .mobile-menu-logo {
        font-size: 22px;
    }

    .main-nav .nav-links a {
        grid-template-columns: 54px 1fr;
        font-size: 15px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}