/* ===================================
   ECHO EFFECT LANDING PAGE STYLES
   =================================== */

/* Hero Section */
.echo-hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 2rem 4rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.compass-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
    filter: brightness(0.6);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
}

.echo-logo-large {
    width: 100%;
    max-width: 500px;
    height: auto;
    margin-bottom: 2rem;
    filter: drop-shadow(0 0 30px rgba(201, 169, 97, 0.6));
}

.hero-tagline {
    font-size: 1.3rem;
    color: var(--gold);
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Gravity Well Section */
.gravity-well {
    padding: 6rem 2rem;
    background: rgba(13, 13, 13, 0.8);
}

.gravity-container {
    max-width: 1000px;
    margin: 0 auto;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--gold);
    text-align: center;
    margin-bottom: 3rem;
    letter-spacing: 2px;
}

.gravity-content {
    color: var(--cream);
}

.intro-text {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    font-style: italic;
}

.gravity-highlights {
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(26, 58, 74, 0.2);
    border-left: 3px solid var(--gold);
    border-radius: 4px;
}

.gravity-highlights p {
    font-size: 1rem;
    color: var(--gold);
    margin-bottom: 1rem;
    font-weight: 600;
}

.gravity-highlights ul {
    list-style: none;
    padding-left: 0;
}

.gravity-highlights li {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.gravity-highlights li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--gold);
}

.series-description {
    margin-top: 3rem;
}

.series-description h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--gold);
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1rem;
    color: var(--gold);
    opacity: 0.8;
    margin-bottom: 2rem;
    font-style: italic;
}

.series-description p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.emphasis {
    font-weight: 600;
    color: var(--gold);
    margin-top: 2rem !important;
}

.disciplines {
    list-style: none;
    padding-left: 0;
    margin: 1.5rem 0;
}

.disciplines li {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 0.8rem;
    padding-left: 2rem;
    position: relative;
}

.disciplines li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--gold);
    font-size: 1.5rem;
}

.closing {
    margin-top: 2rem !important;
    font-style: italic;
}

.final-line {
    font-size: 1.2rem !important;
    font-weight: 600;
    color: var(--gold) !important;
    text-align: center;
    margin-top: 2rem !important;
    padding-top: 2rem;
    border-top: 1px solid rgba(201, 169, 97, 0.3);
}

/* Books Section */
.books-section {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, var(--rich-black) 0%, var(--dark-teal) 50%, var(--deep-teal) 100%);
}

.books-container {
    max-width: 1400px;
    margin: 0 auto;
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.book-card {
    background: rgba(13, 13, 13, 0.6);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(201, 169, 97, 0.2);
}

.book-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(201, 169, 97, 0.3);
}

.book-card.available .book-link {
    cursor: pointer;
}

.book-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.book-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 2/3;
    overflow: hidden;
}

.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.book-card:hover .book-cover img {
    transform: scale(1.05);
}

.placeholder-cover {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 58, 74, 0.4) 0%, rgba(15, 32, 39, 0.6) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.placeholder-cover p {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--gold);
    text-align: center;
    line-height: 1.3;
}

.book-info {
    padding: 1.5rem;
}

.book-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--gold);
    margin-bottom: 0.5rem;
}

.book-subtitle {
    font-size: 0.9rem;
    color: var(--cream);
    opacity: 0.7;
    margin-bottom: 0.5rem;
}

.book-tagline {
    font-size: 1rem;
    color: var(--cream);
    font-style: italic;
    margin-bottom: 1rem;
}

.book-status {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.available-badge {
    background: rgba(201, 169, 97, 0.2);
    color: var(--gold);
    border: 1px solid var(--gold);
}

.coming-soon-badge {
    background: rgba(26, 58, 74, 0.2);
    color: var(--cream);
    border: 1px solid rgba(245, 241, 232, 0.3);
}

/* CTA Section */
.echo-cta {
    padding: 6rem 2rem;
    background: rgba(13, 13, 13, 0.9);
    text-align: center;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
}

.echo-cta h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: 1rem;
}

.echo-cta p {
    font-size: 1.2rem;
    color: var(--cream);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.cta-button.primary {
    background: var(--gold);
    color: var(--rich-black);
    border: 2px solid var(--gold);
}

.cta-button.primary:hover {
    background: transparent;
    color: var(--gold);
}

.cta-button.secondary {
    background: transparent;
    color: var(--gold);
    border: 2px solid var(--gold);
}

.cta-button.secondary:hover {
    background: var(--gold);
    color: var(--rich-black);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 1024px) {
    .echo-logo-large {
        max-width: 400px;
    }

    .books-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .echo-hero {
        min-height: 60vh;
        padding: 100px 1.5rem 3rem;
    }

    .echo-logo-large {
        max-width: 300px;
    }

    .hero-tagline {
        font-size: 1rem;
    }

    .gravity-well {
        padding: 4rem 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .intro-text {
        font-size: 1.1rem;
    }

    .series-description h3 {
        font-size: 1.6rem;
    }

    .series-description p {
        font-size: 1rem;
    }

    .books-section {
        padding: 4rem 1.5rem;
    }

    .books-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .echo-cta {
        padding: 4rem 1.5rem;
    }

    .echo-cta h2 {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-button {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .echo-logo-large {
        max-width: 250px;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .book-title {
        font-size: 1.2rem;
    }

    .echo-cta h2 {
        font-size: 1.6rem;
    }
}