/* ============================================
   MAKARIOS MEDIA - Publishing House
   Premium Design System
   ============================================ */

:root {
    /* Colors - Sophisticated, literary palette */
    --color-ink: #1a1a1a;
    --color-ink-light: #2d2d2d;
    --color-charcoal: #404040;
    --color-stone: #6b6b6b;
    --color-silver: #9a9a9a;
    --color-mist: #e8e8e8;
    --color-paper: #fafafa;
    --color-cream: #f5f3f0;
    --color-white: #ffffff;

    /* Accent - Warm, earthy gold */
    --color-accent: #b8956b;
    --color-accent-dark: #9a7a54;
    --color-accent-light: #d4b896;

    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 10rem;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.15);
    --shadow-book: 0 25px 50px -12px rgba(0,0,0,0.25), 0 0 0 1px rgba(0,0,0,0.05);

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-charcoal);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 500;
    color: var(--color-ink);
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    letter-spacing: -0.02em;
}

h1 em {
    font-style: italic;
    color: var(--color-accent);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

h4 {
    font-size: 1.125rem;
    font-weight: 600;
}

p {
    margin-bottom: 1em;
}

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

.lead {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--color-ink);
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: all var(--duration-normal) var(--ease-out);
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.05);
    padding: var(--space-sm) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 0.35em;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    transition: opacity var(--duration-fast);
}

.nav-logo:hover {
    opacity: 0.7;
}

.logo-text {
    color: var(--color-ink);
}

.logo-accent {
    color: var(--color-accent);
    font-style: italic;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-charcoal);
    transition: color var(--duration-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--duration-normal) var(--ease-out);
}

.nav-links a:hover {
    color: var(--color-ink);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-ink);
    transition: all var(--duration-fast);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
}

.btn-primary {
    background: var(--color-ink);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-ink-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--color-ink);
    border: 1px solid var(--color-ink);
}

.btn-secondary:hover {
    background: var(--color-ink);
    color: var(--color-white);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--space-xl);
    padding: var(--space-3xl) var(--space-md) var(--space-2xl);
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-white) 100%);
    overflow: hidden;
}

.hero-content {
    max-width: 560px;
    margin-left: auto;
    padding-right: var(--space-lg);
}

.hero-tagline {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.hero h1 {
    margin-bottom: var(--space-md);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-stone);
    margin-bottom: var(--space-lg);
    max-width: 480px;
}

.hero-visual {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.book-stack {
    position: relative;
    width: 320px;
    height: 480px;
    perspective: 1000px;
}

.stack-book {
    position: absolute;
    width: 280px;
    height: auto;
    border-radius: 4px;
    box-shadow: var(--shadow-book);
    transition: all var(--duration-slow) var(--ease-out);
}

.stack-1 {
    top: 0;
    left: 0;
    z-index: 3;
    transform: rotate(-3deg);
}

.stack-2 {
    top: 40px;
    left: 60px;
    z-index: 2;
    transform: rotate(2deg);
}

.stack-3 {
    top: 80px;
    left: 30px;
    z-index: 1;
    transform: rotate(-1deg);
}

.book-stack:hover .stack-1 {
    transform: rotate(-3deg) translateY(-20px);
}

.book-stack:hover .stack-2 {
    transform: rotate(2deg) translate(20px, -10px);
}

.book-stack:hover .stack-3 {
    transform: rotate(-1deg) translate(-10px, 10px);
}

/* ============================================
   FEATURED BOOK
   ============================================ */
.featured {
    padding: var(--space-3xl) 0;
    background: var(--color-ink);
    color: var(--color-white);
}

.featured .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.featured-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.featured h2 {
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.featured-subtitle {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-silver);
    margin-bottom: var(--space-md);
}

.featured-description {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-mist);
    margin-bottom: var(--space-md);
}

.featured-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    font-size: 0.875rem;
    color: var(--color-silver);
}

.meta-divider {
    color: var(--color-stone);
}

.featured-image {
    position: relative;
}

.featured-image img {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    border-radius: 4px;
    box-shadow: 0 40px 80px rgba(0,0,0,0.4);
    transition: transform var(--duration-slow) var(--ease-out);
}

.featured-image:hover img {
    transform: translateY(-8px) rotate(1deg);
}

.featured-quote {
    position: relative;
    margin-top: var(--space-lg);
    max-width: 320px;
    margin-left: auto;
    text-align: right;
}

.featured-quote p {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-style: italic;
    color: var(--color-silver);
    margin-bottom: var(--space-xs);
}

.featured-quote cite {
    font-size: 0.875rem;
    color: var(--color-stone);
    font-style: normal;
}

/* Featured Alt - Deep Blue variant */
.featured-alt {
    background: linear-gradient(135deg, #1a2744 0%, #2d3a52 100%);
}

.featured-alt .featured-quote p {
    color: var(--color-mist);
}

/* ============================================
   BOOKS GRID
   ============================================ */
.books {
    padding: var(--space-3xl) 0;
    background: var(--color-white);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.section-header h2 {
    margin-bottom: var(--space-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-stone);
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.book-card {
    position: relative;
    transition: transform var(--duration-normal) var(--ease-out);
}

.book-cover {
    position: relative;
    margin-bottom: var(--space-md);
    overflow: hidden;
    border-radius: 4px;
}

.book-cover img {
    width: 100%;
    aspect-ratio: 2/3;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

.book-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    padding: var(--space-md);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.book-card:hover .book-overlay {
    opacity: 1;
}

.book-card:hover .book-cover img {
    transform: scale(1.03);
}

.book-status {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    background: var(--color-accent);
    padding: 0.5em 1em;
    border-radius: 2px;
}

.book-info {
    padding: 0 var(--space-xs);
}

.book-category {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.book-info h3 {
    font-size: 1.125rem;
    margin-bottom: 0.25em;
    transition: color var(--duration-fast);
}

.book-card:hover .book-info h3 {
    color: var(--color-accent-dark);
}

.book-author {
    font-size: 0.875rem;
    color: var(--color-stone);
    margin-bottom: var(--space-xs);
}

.book-description {
    font-size: 0.875rem;
    color: var(--color-silver);
    line-height: 1.6;
}

/* ============================================
   FOR AUTHORS
   ============================================ */
.authors {
    padding: var(--space-3xl) 0;
    background: var(--color-white);
}

.authors-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-2xl);
    align-items: center;
}

.authors-text h2 {
    margin-bottom: var(--space-md);
}

.authors-text .lead {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-ink);
    margin-bottom: var(--space-md);
}

.authors-text > p {
    margin-bottom: var(--space-sm);
}

.authors-promises {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin: var(--space-xl) 0;
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-mist);
    border-bottom: 1px solid var(--color-mist);
}

.promise h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-accent-dark);
    margin-bottom: var(--space-xs);
}

.promise p {
    font-size: 0.875rem;
    color: var(--color-stone);
    line-height: 1.6;
}

.authors-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-card {
    background: var(--color-cream);
    padding: var(--space-xl);
    border-radius: 4px;
    border-left: 4px solid var(--color-accent);
}

.testimonial-card p {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-ink);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.testimonial-card cite {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-style: normal;
    color: var(--color-stone);
}

.hero-buttons {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    padding: var(--space-3xl) 0;
    background: var(--color-cream);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about h2 {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.about-text {
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
    text-align: center;
}

.about-text .lead {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-ink);
    margin-bottom: var(--space-lg);
}

.about-text p {
    color: var(--color-charcoal);
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-mist);
}

.value {
    text-align: center;
    padding: 0 var(--space-md);
}

.value h4 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.value p {
    font-size: 0.9375rem;
    color: var(--color-stone);
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
    padding: var(--space-3xl) 0;
    background: var(--color-white);
}

.contact .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
}

.contact h2 {
    margin-bottom: var(--space-sm);
}

.contact-content > p {
    font-size: 1.0625rem;
    color: var(--color-stone);
    margin-bottom: var(--space-lg);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-method {
    display: flex;
    flex-direction: column;
    padding: var(--space-md);
    background: var(--color-paper);
    border-radius: 4px;
    transition: all var(--duration-normal) var(--ease-out);
}

.contact-method:hover {
    background: var(--color-cream);
    transform: translateX(4px);
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-stone);
    margin-bottom: 0.25em;
}

.contact-value {
    font-size: 1.0625rem;
    color: var(--color-ink);
}

.newsletter {
    padding: var(--space-xl);
    background: var(--color-ink);
    border-radius: 4px;
    color: var(--color-white);
}

.newsletter h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.newsletter > p {
    color: var(--color-silver);
    margin-bottom: var(--space-md);
}

.newsletter-form .form-row {
    display: flex;
    gap: var(--space-sm);
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 1rem 1.25rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 1px solid var(--color-charcoal);
    border-radius: 2px;
    background: transparent;
    color: var(--color-white);
    transition: border-color var(--duration-fast);
}

.newsletter-form input[type="email"]::placeholder {
    color: var(--color-stone);
}

.newsletter-form input[type="email"]:focus {
    outline: none;
    border-color: var(--color-accent);
}

.newsletter-form .btn-primary {
    background: var(--color-accent);
    color: var(--color-ink);
    white-space: nowrap;
}

.newsletter-form .btn-primary:hover {
    background: var(--color-accent-light);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: var(--space-2xl) 0 var(--space-lg);
    background: var(--color-paper);
    border-top: 1px solid var(--color-mist);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-brand .logo-text,
.footer-brand .logo-accent {
    font-family: var(--font-display);
    font-size: 1.5rem;
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--color-stone);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--color-charcoal);
    transition: color var(--duration-fast);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-mist);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--color-silver);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 140px;
    }

    .hero-content {
        margin: 0 auto;
        padding-right: 0;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-visual {
        justify-content: center;
        margin-top: var(--space-xl);
    }

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

    .featured .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .featured-image {
        order: -1;
        margin-bottom: var(--space-xl);
    }

    .featured-quote {
        position: static;
        margin-top: var(--space-lg);
        text-align: center;
        max-width: none;
    }

    .contact .container {
        grid-template-columns: 1fr;
    }

    .authors-content {
        grid-template-columns: 1fr;
    }

    .authors-visual {
        order: -1;
    }

    .authors-promises {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --space-2xl: 4rem;
        --space-3xl: 6rem;
    }

    .authors-promises {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

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

    .hero-buttons .btn {
        text-align: center;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        flex-direction: column;
        background: var(--color-white);
        padding: 100px var(--space-lg) var(--space-lg);
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
        transition: right var(--duration-normal) var(--ease-out);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 1.125rem;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .hero {
        min-height: auto;
        padding: 120px var(--space-md) var(--space-xl);
    }

    .book-stack {
        width: 240px;
        height: 360px;
    }

    .stack-book {
        width: 200px;
    }

    .stack-2 {
        left: 40px;
    }

    .stack-3 {
        left: 20px;
    }

    .about-values {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-lg);
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .books-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin: 0 auto;
    }

    .newsletter-form .form-row {
        flex-direction: column;
    }

    .featured-meta {
        flex-wrap: wrap;
        justify-content: center;
    }

    /* Touch-friendly button sizing */
    .btn {
        min-height: 48px;
        padding: 1rem 1.5rem;
    }

    /* Improve tap targets */
    .nav-toggle {
        min-width: 48px;
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Better text scaling */
    h1 {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    h2 {
        font-size: clamp(1.5rem, 6vw, 2.25rem);
    }

    /* Full-width buttons on mobile */
    .hero-buttons .btn {
        width: 100%;
    }

    /* Footer links stack on mobile */
    .footer-links {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.hero-visual {
    animation: fadeInUp 0.8s var(--ease-out) forwards;
}

.hero-visual {
    animation-delay: 0.2s;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}