/* SKAL Kütüphanesi (Sezai Karakoç Anadolu Lisesi) - Dyotanya Editorial Sketchbook Tasarım Sistemi */

:root {
    color-scheme: light !important;

    /* Core Palette - School Logo + Dyotanya Structure */
    --color-warm-paper: #f5f5f3;
    --color-pure-white: #ffffff;
    --color-ink-black: #121124;
    --color-charcoal: #282471;
    --color-dusty-sky: #5c58a6;
    --color-cobalt-wash: #3b368c;
    --color-coral-link: #ec782b;
    --color-muted-ink: #4a4868;

    /* Semantic Status Colors */
    --success: #1b5e20;
    --success-bg: #edf7ee;
    --success-border: #81c784;

    --borrowed-fg: #282471;
    --borrowed-bg: #eeedf8;
    --borrowed-border: #5c58a6;

    --overdue-fg: #b93800;
    --overdue-bg: #fff3eb;
    --overdue-border: #ec782b;

    /* Typography */
    --font-times: 'Times New Roman', Times, serif;
    --font-simeiz: 'Playfair Display', 'Times New Roman', Times, serif;
    --font-display: var(--font-simeiz);
    --font-manrope: 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-sans: var(--font-manrope);

    /* Type Scale */
    --text-caption: 0.75rem;
    --text-body-sm: 0.875rem;
    --text-body: 1rem;
    --text-body-lg: 1.125rem;
    --text-subheading: 1.45rem;
    --text-heading-sm: 1.85rem;
    --text-heading: clamp(2rem, 4vw, 3rem);
    --text-display: clamp(2.35rem, 5.4vw, 4.5rem);

    /* Spacing & Layout */
    --page-max-width: 1200px;
    --section-gap: clamp(3.5rem, 6vw, 5.25rem);
    --card-padding: clamp(1.5rem, 3.5vw, 2.75rem);

    /* Shapes & Radii */
    --radius-card: 28px;
    --radius-input: 30px;
    --radius-pill: 3000px;
    --radius-circle: 120px;

    /* Hard Offset Shadows (Pasted-Paper Collage Elevation) */
    --shadow-subtle: 5px -5px 0px 0px var(--color-charcoal);
    --shadow-subtle-2: 4px -4px 0px 0px var(--color-charcoal);
    --shadow-active: 2px -2px 0px 0px var(--color-charcoal);

    --transition: transform 0.16s cubic-bezier(0.16, 1, 0.3, 1),
                  box-shadow 0.16s cubic-bezier(0.16, 1, 0.3, 1),
                  border-color 0.16s ease,
                  background-color 0.16s ease,
                  color 0.16s ease;
}

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

html {
    color-scheme: light !important;
    font-family: var(--font-manrope);
    color: var(--color-ink-black);
    background-color: var(--color-warm-paper);
    line-height: 1.56;
    letter-spacing: -0.02em;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body {
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    background-color: var(--color-warm-paper);
    color: var(--color-ink-black);
    overflow-x: hidden;
    overflow-wrap: break-word;
}

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

a {
    color: var(--color-coral-link);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-charcoal);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-simeiz);
    color: var(--color-ink-black);
    font-weight: 400;
    letter-spacing: 0;
    line-height: 1.12;
}

h1 em, h2 em, h3 em {
    font-style: italic;
    font-weight: 400;
    display: inline-block;
    padding-bottom: 0.06em;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.container {
    width: 100%;
    max-width: var(--page-max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.parenthetical-caption {
    font-family: var(--font-manrope);
    font-size: var(--text-body-sm);
    font-weight: 400;
    line-height: 1.35;
    letter-spacing: -0.025em;
    color: var(--color-muted-ink);
}

/* ================= Editorial Header & Navigation ================= */

.site-header {
    background-color: var(--color-warm-paper);
    border-bottom: 1.5px solid var(--color-ink-black);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 1rem;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-ink-black);
    text-decoration: none;
    min-height: 44px;
}

.brand:hover {
    color: var(--color-charcoal);
}

.brand-picture {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-circle);
    border: 1.5px solid var(--color-ink-black);
    background-color: var(--color-pure-white);
    padding: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-circle);
}

.brand-copy {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.brand-text {
    font-family: var(--font-simeiz);
    font-size: 1.35rem;
    font-weight: 600;
    line-height: 1.1;
    color: var(--color-ink-black);
}

.brand-caption {
    font-size: 0.75rem;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 0.65rem;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.5rem 1.15rem;
    border-radius: var(--radius-pill);
    border: 1.5px solid transparent;
    color: var(--color-ink-black);
    font-family: var(--font-manrope);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: -0.03em;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.is-active {
    background-color: var(--color-pure-white);
    border-color: var(--color-ink-black);
    color: var(--color-ink-black);
    box-shadow: var(--shadow-subtle-2);
}

.nav-link-admin {
    background-color: var(--color-pure-white);
    border-color: var(--color-dusty-sky);
    color: var(--color-charcoal);
    font-weight: 600;
}

.nav-link-admin:hover {
    border-color: var(--color-ink-black);
    color: var(--color-ink-black);
    box-shadow: var(--shadow-subtle-2);
}

/* Circular Hamburger Menu Trigger */
.nav-toggle {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-circle);
    background-color: var(--color-pure-white);
    border: 1.5px solid var(--color-ink-black);
    box-shadow: var(--shadow-subtle-2);
    cursor: pointer;
    padding: 10px;
    transition: var(--transition);
}

.nav-toggle:active {
    transform: translate(2px, -2px);
    box-shadow: var(--shadow-active);
}

.nav-toggle span {
    width: 18px;
    height: 1.5px;
    background-color: var(--color-ink-black);
    transition: var(--transition);
}

/* ================= Pill Buttons & Interactive Controls ================= */

.btn-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 48px;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-pill);
    border: 1.5px solid var(--color-ink-black);
    background-color: var(--color-pure-white);
    color: var(--color-ink-black);
    font-family: var(--font-manrope);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    box-shadow: var(--shadow-subtle-2);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: var(--transition);
}

.btn-pill:hover {
    background-color: var(--color-charcoal);
    color: var(--color-pure-white);
    border-color: var(--color-ink-black);
    transform: translate(-1px, 1px);
}

.btn-pill:active {
    transform: translate(2px, -2px);
    box-shadow: var(--shadow-active);
}

.btn-pill:focus-visible,
.filter-chip:focus-visible,
.search-input:focus-visible,
.hero-search-input:focus-visible,
.sort-select:focus-visible,
.nav-link:focus-visible,
.nav-toggle:focus-visible,
.clear-search-btn:focus-visible {
    outline: 2px solid var(--color-cobalt-wash);
    outline-offset: 2px;
}

.btn-pill-primary {
    background-color: var(--color-charcoal);
    color: var(--color-pure-white);
    border-color: var(--color-ink-black);
}

.btn-pill-primary:hover {
    background-color: var(--color-cobalt-wash);
    color: var(--color-pure-white);
}

.btn-pill-wide {
    width: 100%;
    max-width: 520px;
    min-height: 56px;
    padding: 1rem 2.25rem;
    font-size: 0.9rem;
}

/* ================= Pasted-Paper Collage Cards ================= */

.pasted-card {
    background-color: var(--color-pure-white);
    border: 1.5px solid var(--color-dusty-sky);
    border-radius: var(--radius-card);
    padding: var(--card-padding);
    box-shadow: var(--shadow-subtle);
}

/* ================= Alerts / Messages ================= */

.messages-container {
    margin-top: 1.25rem;
}

.alert {
    padding: 0.9rem 1.25rem;
    border-radius: 20px;
    margin-bottom: 0.85rem;
    font-size: 0.9rem;
    border: 1.5px solid var(--color-dusty-sky);
    background-color: var(--color-pure-white);
    box-shadow: var(--shadow-subtle-2);
    color: var(--color-ink-black);
}

.alert-success {
    border-color: var(--success-border);
    color: var(--success);
}

.alert-error,
.alert-danger {
    border-color: var(--overdue-border);
    color: var(--overdue-fg);
}

/* ================= Main Layout & Section Headers ================= */

.site-main {
    flex: 1;
    padding: 2rem 0 4.5rem;
}

.editorial-section {
    margin-top: var(--section-gap);
}

.section-header-editorial {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.section-index-marker {
    font-family: var(--font-simeiz);
    font-size: clamp(1.75rem, 3vw, 2.35rem);
    font-weight: 400;
    line-height: 1;
    color: var(--color-ink-black);
    min-width: 2.5rem;
}

.section-title-group {
    display: flex;
    align-items: baseline;
    gap: 0.85rem;
    flex-wrap: wrap;
}

.section-heading,
.page-title {
    font-family: var(--font-simeiz);
    font-size: var(--text-heading);
    font-weight: 400;
    line-height: 1.08;
    color: var(--color-ink-black);
}

.squiggle-line {
    width: 100%;
    height: auto;
    pointer-events: none;
    overflow: visible;
}

/* ================= Home Vitrin: Section 1 (Hero) ================= */

.hero-editorial {
    padding: clamp(1rem, 3vw, 2.5rem) 0 1rem;
}

.hero-statement-wrap {
    max-width: 1040px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.35rem;
}

.hero-eyebrow {
    font-size: 0.9rem;
}

.hero-display {
    font-family: var(--font-simeiz);
    font-size: var(--text-display);
    font-weight: 400;
    line-height: 1.1;
    color: var(--color-ink-black);
    text-align: center;
    max-width: 19ch;
}

.hero-inline-emblem {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
    width: clamp(54px, 7vw, 84px);
    height: clamp(54px, 7vw, 84px);
    border-radius: var(--radius-circle);
    border: 1.5px solid var(--color-ink-black);
    background-color: var(--color-pure-white);
    box-shadow: var(--shadow-subtle-2);
    margin: 0 0.2rem;
    padding: 4px;
    overflow: hidden;
}

.hero-emblem-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-circle);
}

.hero-squiggle {
    max-width: 640px;
    margin: 0.15rem auto;
}

.hero-search-form {
    width: 100%;
    max-width: 680px;
    margin-top: 0.25rem;
}

.hero-search-capsule {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--color-pure-white);
    border: 1.5px solid var(--color-dusty-sky);
    border-radius: var(--radius-pill);
    padding: 0.4rem 0.45rem 0.4rem 1.25rem;
    box-shadow: var(--shadow-subtle);
}

.hero-search-capsule:focus-within {
    border-color: var(--color-cobalt-wash);
}

.hero-search-icon {
    color: var(--color-charcoal);
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.hero-search-input {
    flex: 1;
    min-width: 0;
    min-height: 48px;
    border: none;
    background: transparent;
    font-family: var(--font-manrope);
    font-size: 16px;
    color: var(--color-ink-black);
    padding: 0.5rem 0.5rem;
}

.hero-search-input::placeholder {
    color: #6e6c88;
}

.hero-search-input:focus {
    outline: none;
}

.hero-search-submit {
    flex-shrink: 0;
}

/* ================= Home Vitrin: Section 2 (Live Metrics) ================= */

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
    align-items: start;
}

.metric-card {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    position: relative;
}

.metric-card-stagger {
    margin-top: 1.25rem;
}

.metric-index {
    font-family: var(--font-simeiz);
    font-size: 1.15rem;
    color: var(--color-dusty-sky);
}

.metric-value {
    font-family: var(--font-simeiz);
    font-size: clamp(2.6rem, 4.5vw, 3.75rem);
    line-height: 1;
    color: var(--color-ink-black);
}

.metric-value-available {
    color: var(--success);
}

.metric-value-borrowed {
    color: var(--color-charcoal);
}

.metric-label {
    font-family: var(--font-simeiz);
    font-size: 1.5rem;
    line-height: 1.2;
    color: var(--color-ink-black);
}

/* ================= Home Vitrin: Section 3 & Books Grid ================= */

.vitrin-cta-wrap {
    margin-top: 2.5rem;
    display: flex;
    justify-content: center;
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.75rem;
}

.book-card {
    background-color: var(--color-pure-white);
    border: 1.5px solid var(--color-dusty-sky);
    border-radius: var(--radius-card);
    padding: 1.35rem;
    box-shadow: var(--shadow-subtle);
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    transition: var(--transition);
}

.book-card:hover {
    border-color: var(--color-cobalt-wash);
    transform: translate(-1px, 1px);
}

.book-cover-container {
    width: 100%;
    height: 190px;
    border-radius: 20px;
    border: 1.5px solid var(--color-ink-black);
    background-color: var(--color-warm-paper);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.book-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.book-cover-placeholder {
    width: 100%;
    height: 100%;
    background-color: var(--color-warm-paper);
    color: var(--color-charcoal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-svg {
    stroke: var(--color-charcoal);
    opacity: 0.8;
}

.book-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.book-status-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    width: 100%;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-pill);
    font-family: var(--font-manrope);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    border: 1.5px solid transparent;
}

.badge-available {
    background-color: var(--success-bg);
    color: var(--success);
    border-color: var(--success-border);
}

.badge-borrowed {
    background-color: var(--borrowed-bg);
    color: var(--borrowed-fg);
    border-color: var(--borrowed-border);
}

.book-meta-note {
    font-size: 0.78rem;
    color: var(--color-muted-ink);
    font-weight: 500;
}

.book-due-date {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.65rem;
    border-radius: var(--radius-pill);
    background-color: var(--overdue-bg);
    border: 1px solid var(--overdue-border);
    color: var(--overdue-fg);
    font-size: 0.78rem;
    font-weight: 600;
}

.book-due-date.is-overdue {
    background-color: #fde8e8;
    border-color: #c81e1e;
    color: #9b1c1c;
}

.book-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.book-name {
    font-family: var(--font-simeiz);
    font-size: 1.35rem;
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-ink-black);
}

.book-author {
    font-family: var(--font-manrope);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-muted-ink);
}

/* ================= Home Vitrin: Section 4 (Workflow) ================= */

.workflow-wrapper {
    position: relative;
}

.workflow-squiggle {
    margin-bottom: -1.5rem;
}

.workflow-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
    position: relative;
    z-index: 1;
}

.workflow-card {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.workflow-card-stagger {
    margin-top: 1.35rem;
}

.workflow-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-circle);
    border: 1.5px solid var(--color-ink-black);
    background-color: var(--color-warm-paper);
    font-family: var(--font-simeiz);
    font-size: 1.2rem;
    color: var(--color-ink-black);
}

.workflow-title {
    font-family: var(--font-simeiz);
    font-size: 1.55rem;
    line-height: 1.2;
}

.workflow-desc {
    font-size: 0.95rem;
    color: var(--color-muted-ink);
    line-height: 1.55;
}

/* ================= Dedicated Search & Catalog Page (/search/) ================= */

.catalog-page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.catalog-page-header .section-header-editorial {
    margin-bottom: 0;
}

.catalog-summary-pill {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0.35rem 1rem;
    border-radius: var(--radius-pill);
    border: 1.5px solid var(--color-ink-black);
    background-color: var(--color-pure-white);
    box-shadow: var(--shadow-subtle-2);
}

.books-count {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-ink-black);
}

.catalog-controls {
    position: sticky;
    top: 73px;
    z-index: 90;
    background-color: var(--color-warm-paper);
    padding: 0.85rem 0 1.1rem;
    margin-bottom: 1.75rem;
    border-bottom: 1.5px solid var(--color-ink-black);
}

.catalog-filter-form {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.search-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
}

.search-icon {
    position: absolute;
    left: 1.1rem;
    color: var(--color-charcoal);
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-input {
    width: 100%;
    min-height: 50px;
    padding: 0.65rem 3rem 0.65rem 2.85rem;
    font-family: var(--font-manrope);
    font-size: 16px;
    border: 1.5px solid var(--color-dusty-sky);
    border-radius: var(--radius-input);
    background-color: var(--color-pure-white);
    color: var(--color-ink-black);
    box-shadow: var(--shadow-subtle-2);
    transition: var(--transition);
}

.search-input::placeholder {
    color: #6e6c88;
}

.search-input:focus {
    outline: none;
    border-color: var(--color-cobalt-wash);
}

.clear-search-btn {
    position: absolute;
    right: 0.4rem;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-circle);
    border: none;
    background: transparent;
    color: var(--color-muted-ink);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.clear-search-btn[hidden] {
    display: none !important;
}

.clear-search-btn:hover {
    color: var(--color-ink-black);
    background-color: var(--color-warm-paper);
}

.search-submit-btn {
    min-height: 50px;
    padding: 0.65rem 1.4rem;
}

.filter-sort-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.status-chips {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
    max-width: 100%;
}

.status-chips::-webkit-scrollbar {
    display: none;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.45rem 1.1rem;
    border-radius: var(--radius-pill);
    border: 1.5px solid var(--color-dusty-sky);
    background-color: var(--color-pure-white);
    color: var(--color-ink-black);
    font-family: var(--font-manrope);
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition);
}

.filter-chip:hover {
    border-color: var(--color-ink-black);
}

.filter-chip.is-active {
    background-color: var(--color-charcoal);
    color: var(--color-pure-white);
    border-color: var(--color-ink-black);
    box-shadow: var(--shadow-subtle-2);
}

.sort-control-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}

.sort-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-muted-ink);
    white-space: nowrap;
}

.sort-select {
    min-height: 44px;
    padding: 0.45rem 2rem 0.45rem 1rem;
    border-radius: var(--radius-input);
    border: 1.5px solid var(--color-dusty-sky);
    background-color: var(--color-pure-white);
    color: var(--color-ink-black);
    font-family: var(--font-manrope);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
}

/* ================= Empty States ================= */

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
    padding: 2.75rem 1.5rem;
}

.empty-state-title {
    font-family: var(--font-simeiz);
    font-size: 1.75rem;
    color: var(--color-ink-black);
}

.empty-state-desc {
    font-size: 0.95rem;
    color: var(--color-muted-ink);
    max-width: 48ch;
}

.empty-state-actions {
    margin-top: 0.75rem;
}

/* ================= Editorial Footer ================= */

.site-footer {
    border-top: 1.5px solid var(--color-ink-black);
    padding: 2rem 0;
    margin-top: auto;
    background-color: var(--color-warm-paper);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-picture {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-circle);
    border: 1.5px solid var(--color-ink-black);
    background-color: var(--color-pure-white);
    padding: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.footer-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-circle);
}

.footer-brand-copy {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.footer-title {
    font-family: var(--font-simeiz);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-ink-black);
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.footer-links a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    color: var(--color-coral-link);
    font-size: 0.9rem;
    font-weight: 600;
}

.footer-links a:hover {
    color: var(--color-charcoal);
    text-decoration: underline;
}

/* ================= Responsive & Mobile-First Reflow ================= */

@media (max-width: 900px) {
    .metrics-grid,
    .workflow-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .metric-card-stagger,
    .workflow-card-stagger {
        margin-top: 0;
    }

    .workflow-squiggle {
        display: none;
    }
}

@media (max-width: 768px) {
    .brand-caption {
        display: none;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: calc(100% + 0.5rem);
        right: 1.25rem;
        left: 1.25rem;
        background-color: var(--color-pure-white);
        border: 1.5px solid var(--color-ink-black);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-subtle);
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
        gap: 0.5rem;
        z-index: 1000;
    }

    .nav-menu.nav-open {
        display: flex;
    }

    .nav-link {
        width: 100%;
        justify-content: flex-start;
    }

    .hero-search-capsule {
        flex-direction: column;
        align-items: stretch;
        border-radius: 26px;
        padding: 0.65rem;
    }

    .hero-search-icon {
        display: none;
    }

    .hero-search-submit {
        width: 100%;
    }

    .catalog-controls {
        position: static;
    }

    .search-row {
        flex-direction: column;
        align-items: stretch;
    }

    .search-submit-btn {
        width: 100%;
    }

    .filter-sort-row {
        flex-direction: column;
        align-items: stretch;
    }

    .sort-control-wrap {
        margin-left: 0;
        width: 100%;
        justify-content: space-between;
    }

    .sort-select {
        flex: 1;
    }

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

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}