/**
 * Home page (index.html) - section styles only
 * Global nav/footer live in layout.css.
 */

body {
    overflow-x: hidden;
}

/* -------------------------------------------------------------------------
   Hero - Phase 2B editorial composition
   ------------------------------------------------------------------------- */

.hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: calc(100vh - var(--header-height));
    padding: var(--space-8) var(--space-5);
    overflow: hidden;
    background: var(--color-background);
}

.hero__atmosphere {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 70% 55% at 15% 40%, var(--color-primary-soft) 0%, transparent 55%),
        radial-gradient(ellipse 55% 45% at 85% 60%, var(--color-primary-muted) 0%, transparent 50%),
        linear-gradient(160deg, var(--color-background) 0%, var(--color-surface) 55%, var(--color-background) 100%);
}

.hero__atmosphere::after {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.06;
    background-image:
        linear-gradient(var(--color-secondary) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-secondary) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
    animation: hero-grid-drift 28s linear infinite;
}

.hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: var(--space-8);
    align-items: center;
    width: 100%;
    max-width: var(--max-width-wide);
    margin: 0 auto;
}

.hero__copy {
    max-width: 36rem;
    animation: hero-rise 700ms var(--ease-default) both;
}

.hero__eyebrow {
    margin-bottom: var(--space-4);
    font-family: var(--font-family-body);
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-label);
    text-transform: uppercase;
    color: var(--color-secondary);
}

.hero__brand {
    margin-bottom: var(--space-3);
    font-family: var(--font-family-display);
    font-size: var(--font-size-card-title);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-tight);
    color: var(--color-text);
}

.hero__title {
    margin-bottom: var(--space-5);
    font-family: var(--font-family-display);
    font-size: var(--font-size-hero);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-tight);
    line-height: var(--line-height-tight);
    color: var(--color-text);
}

.hero__lede {
    margin-bottom: var(--space-6);
    max-width: 32rem;
    font-size: var(--font-size-body);
    line-height: var(--line-height-relaxed);
    color: var(--color-muted);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.hero__visual {
    display: flex;
    justify-content: flex-end;
    animation: hero-rise 700ms var(--ease-default) 120ms both;
}

.hero__cover {
    margin: 0;
    max-width: 22rem;
    width: 100%;
}

.hero__cover-image {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius-image);
    box-shadow: var(--shadow-lg);
    transition: transform var(--duration-slow) var(--ease-default);
}

.hero__cover:hover .hero__cover-image {
    transform: scale(1.03);
}

.hero__cover-caption {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    margin-top: var(--space-4);
}

.hero__book-title {
    font-family: var(--font-family-display);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.hero__book-meta {
    font-size: var(--font-size-caption);
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-muted);
}

@keyframes hero-rise {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes hero-grid-drift {
    from { background-position: 0 0, 0 0; }
    to { background-position: 48px 48px, 48px 48px; }
}

@media (prefers-reduced-motion: reduce) {
    .hero__copy,
    .hero__visual {
        animation: none;
    }

    .hero__atmosphere::after {
        animation: none;
    }

    .hero__cover:hover .hero__cover-image {
        transform: none;
    }
}

@media (max-width: 900px) {
    .hero__inner {
        grid-template-columns: 1fr;
        gap: var(--space-7);
    }

    .hero__visual {
        justify-content: center;
    }

    .hero__cover {
        max-width: 16rem;
        margin-inline: auto;
    }

    .hero__cover-caption {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: var(--space-7) var(--space-4);
        min-height: auto;
    }

    .hero__visual {
        order: 0;
        justify-content: center;
    }

    .hero__brand {
        font-size: var(--font-size-xl);
    }

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

    .hero__actions .btn {
        width: 100%;
    }

    .hero__cover {
        max-width: 14rem;
        margin-inline: auto;
    }

    .hero__cover-caption {
        text-align: center;
    }
}

/* Sections below hero (unchanged structure) */
section:not(.hero) {
    min-height: 100vh;
    padding: var(--space-section-y) var(--space-section-x);
    display: flex;
    align-items: center;
    justify-content: center;
}

h2 {
    font-family: var(--font-family-display);
    font-size: var(--font-size-8xl);
    color: var(--color-primary);
    margin-bottom: var(--space-5);
    text-align: center;
    letter-spacing: var(--letter-spacing-tight);
    text-transform: none;
}

/* Books / Featured Investigation */
section.investigation {
    display: block;
    min-height: 0;
    padding: var(--space-10) var(--space-5);
    background: var(--color-background);
}

.investigation__inner {
    max-width: var(--max-width-wide);
    margin: 0 auto;
}

.section-header {
    margin-bottom: var(--space-8);
}

.section-header__eyebrow {
    font-family: var(--font-family-body);
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-label);
    text-transform: uppercase;
    color: var(--color-secondary);
}

.investigation__layout {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: var(--space-9);
    align-items: center;
}

.investigation__cover {
    margin: 0;
    max-width: 22rem;
    width: 100%;
    justify-self: center;
    opacity: 0;
    transform: translateY(var(--space-3));
    transition:
        opacity var(--duration-slow) var(--ease-default),
        transform var(--duration-slow) var(--ease-default);
}

.investigation__cover.is-revealed {
    opacity: 1;
    transform: translateY(0);
}

.investigation__cover-image {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius-image);
    box-shadow: var(--shadow-md);
    transition:
        transform var(--duration-slow) var(--ease-default),
        box-shadow var(--duration-slow) var(--ease-default);
}

/* Tangible book hover - lift + deepen shadow + slight scale (not hero’s scale-only) */
.investigation__cover.is-revealed:hover .investigation__cover-image,
.investigation__cover.is-revealed:focus-within .investigation__cover-image {
    transform: var(--hover-lift) scale(1.02);
    box-shadow: var(--shadow-lg);
}

@media (prefers-reduced-motion: reduce) {
    .investigation__cover {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .investigation__cover-image {
        transition: none;
    }

    .investigation__cover.is-revealed:hover .investigation__cover-image,
    .investigation__cover.is-revealed:focus-within .investigation__cover-image {
        transform: none;
        box-shadow: var(--shadow-md);
    }
}

@media (scripting: none) {
    .investigation__cover {
        opacity: 1;
        transform: none;
    }
}

.investigation__copy {
    max-width: 36rem;
}

.investigation__series {
    margin-bottom: var(--space-3);
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-muted);
}

.investigation__title {
    margin-bottom: var(--space-5);
    font-family: var(--font-family-display);
    font-size: clamp(2rem, 4vw, var(--font-size-page));
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-tight);
    line-height: var(--line-height-tight);
    text-align: left;
    color: var(--color-text);
}

.investigation__synopsis {
    margin-bottom: var(--space-7);
}

.investigation__synopsis p {
    margin-bottom: var(--space-4);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-muted);
}

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

.investigation__synopsis strong {
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
}

.investigation__synopsis-emphasis {
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
}

.investigation__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

@media (max-width: 900px) {
    .investigation__layout {
        grid-template-columns: 1fr;
        gap: var(--space-7);
    }

    .investigation__cover {
        max-width: 16rem;
        justify-self: start;
    }
}

@media (max-width: 768px) {
    section.investigation {
        padding: var(--space-8) var(--space-4);
    }

    .section-header {
        margin-bottom: var(--space-6);
    }

    .investigation__cover {
        max-width: 14rem;
        justify-self: center;
    }

    .investigation__title {
        text-align: center;
    }

    .investigation__series {
        text-align: center;
    }

    .investigation__synopsis {
        text-align: left;
    }

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

    .investigation__actions .btn {
        width: 100%;
    }
}

/* Latest Intelligence */
section.intelligence {
    display: block;
    min-height: 0;
    padding: var(--space-10) var(--space-5);
    background: var(--color-surface);
}

.intelligence__inner {
    max-width: var(--max-width-wide);
    margin: 0 auto;
}

.intelligence__header {
    max-width: 40rem;
    margin-bottom: var(--space-8);
}

.intelligence__title {
    margin: var(--space-3) 0 var(--space-4);
    font-family: var(--font-family-display);
    font-size: clamp(2rem, 4vw, var(--font-size-section));
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-tight);
    line-height: var(--line-height-tight);
    text-align: left;
    color: var(--color-text);
}

.intelligence__intro {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-muted);
}

.intelligence__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-5);
}

.intelligence__status,
.intelligence__empty {
    grid-column: 1 / -1;
    margin: 0;
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-muted);
}

.intelligence__empty {
    margin-bottom: var(--space-6);
}

.intelligence-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-5);
    background: var(--color-background);
    border: var(--border-width-sm) solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-default);
}

.intelligence-card:hover {
    transform: var(--hover-lift-card);
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-panel-hover), 0 0 0 1px var(--color-primary-glow);
}

.intelligence-card__meta {
    margin: 0;
    font-size: var(--font-size-caption);
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-muted);
}

.intelligence-card__meta-sep {
    margin: 0 0.15em;
}

.intelligence-card__title {
    margin: 0;
    font-family: var(--font-family-display);
    font-size: var(--font-size-card-title);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-tight);
    line-height: var(--line-height-tight);
    text-align: left;
    color: var(--color-text);
}

.intelligence-card__title a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-default);
}

.intelligence-card__title a:hover {
    color: var(--color-secondary);
}

.intelligence-card__excerpt {
    margin: 0;
    flex: 1;
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-muted);
}

.intelligence-card__link {
    margin-top: var(--space-2);
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-default);
}

.intelligence-card__link:hover,
.intelligence-card__link:focus-visible {
    color: var(--color-secondary);
}

.intelligence__footer {
    margin-top: var(--space-8);
}

@media (max-width: 900px) {
    .intelligence__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    section.intelligence {
        padding: var(--space-8) var(--space-4);
    }

    .intelligence__header {
        margin-bottom: var(--space-6);
    }

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

    .intelligence__footer .btn {
        width: 100%;
    }
}

/* Behind the Stories - author */
section.author-stories {
    display: block;
    min-height: 0;
    padding: var(--space-10) var(--space-5);
    background: var(--color-background);
}

.author-stories__inner {
    max-width: var(--max-width-wide);
    margin: 0 auto;
}

.author-stories__header {
    margin-bottom: var(--space-8);
    max-width: 40rem;
}

.author-stories__title {
    margin: var(--space-3) 0 0;
    font-family: var(--font-family-display);
    font-size: clamp(2rem, 4vw, var(--font-size-section));
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-tight);
    line-height: var(--line-height-tight);
    text-align: left;
    color: var(--color-text);
}

.author-stories__layout {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: var(--space-8);
    align-items: center;
}

.author-stories__portrait {
    margin: 0;
    max-width: 18rem;
    width: 100%;
    justify-self: center;
}

.author-stories__portrait img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 358 / 537;
    object-fit: cover;
    object-position: center top;
    border-radius: var(--radius-image);
    box-shadow: var(--shadow-md);
    background: var(--color-card);
}

.author-stories__copy {
    max-width: 34rem;
}

.author-stories__copy p {
    margin: 0 0 var(--space-5);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-muted);
}

.author-stories__copy p:last-child {
    margin-bottom: 0;
}

@media (max-width: 900px) {
    .author-stories__layout {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .author-stories__portrait {
        max-width: 14rem;
        justify-self: start;
    }
}

@media (max-width: 768px) {
    section.author-stories {
        padding: var(--space-8) var(--space-4);
    }

    .author-stories__header {
        margin-bottom: var(--space-6);
    }

    .author-stories__portrait {
        max-width: 12rem;
        justify-self: center;
    }

    .author-stories__title {
        text-align: center;
    }

    .author-stories__header {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }

    .author-stories__header .section-header__eyebrow {
        text-align: center;
    }
}

/* Newsletter section */
section.newsletter-section {
    display: block;
    min-height: 0;
    padding: var(--space-10) var(--space-5);
    background: var(--color-background);
}

.newsletter-section__inner {
    max-width: 36rem;
    margin: 0 auto;
}

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

.newsletter-section__eyebrow {
    margin: 0 0 var(--space-3);
    font-family: var(--font-family-body);
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-label);
    text-transform: uppercase;
    color: var(--color-secondary);
}

.newsletter-section__title {
    margin: 0 0 var(--space-4);
    font-family: var(--font-family-display);
    font-size: clamp(2rem, 4vw, var(--font-size-section));
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-tight);
    line-height: var(--line-height-tight);
    text-align: center;
    color: var(--color-text);
}

.newsletter-section__intro {
    margin: 0 auto;
    max-width: 36rem;
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-muted);
}

.newsletter-panel {
    max-width: 28rem;
    margin-inline: auto;
    padding: var(--space-6) var(--space-5);
    background: var(--color-surface);
    border: var(--border-width-sm) solid var(--color-border-strong);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-panel);
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    margin: 0;
}

.newsletter-form__field {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    text-align: left;
}

.newsletter-form__label {
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-muted);
}

.newsletter-form input {
    width: 100%;
    min-height: var(--size-touch);
    padding: var(--space-3) var(--space-4);
    background: var(--color-background);
    border: var(--border-width-sm) solid var(--color-border-strong);
    border-radius: var(--radius-input);
    color: var(--color-text);
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-sm);
}

.newsletter-form button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: var(--size-touch);
    padding: var(--space-3) var(--space-5);
    background: var(--color-primary);
    color: var(--color-text);
    border: var(--border-width-md) solid var(--color-primary);
    border-radius: var(--radius-button);
    cursor: pointer;
    font-family: var(--font-family-body);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-wide);
    text-transform: none;
    transition: var(--transition-default);
}

.newsletter-form button:hover,
.newsletter-form button:focus-visible {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-glow-md);
    transform: var(--hover-lift);
}

.newsletter-form button:disabled {
    opacity: 0.7;
    cursor: wait;
    transform: none;
    box-shadow: none;
}

.newsletter-panel__privacy {
    margin: var(--space-4) 0 0;
    text-align: center;
    font-size: var(--font-size-caption);
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-muted-strong);
}

@media (max-width: 768px) {
    section.newsletter-section {
        padding: var(--space-8) var(--space-4);
    }

    .newsletter-panel {
        padding: var(--space-6) var(--space-5);
    }

    h2 {
        font-size: var(--font-size-article);
    }
}