:root {
    /* PALETA OFICIAL MENTE EXPANDIDA */
    --brand-primary: #00a896;
    --brand-primary-hover: #02c39a;
    --brand-primary-glow: rgba(0, 168, 150, 0.4);
    --brand-petrol: #004d61;
    --brand-cyan: #028090;
    --brand-cyan-light: #38bdf8;
    --brand-gold: #f28705;
    --brand-gold-glow: rgba(242, 135, 5, 0.35);
    --brand-amber: #d97706;
    --brand-emerald: #00a896;
    --brand-emerald-glow: rgba(0, 168, 150, 0.3);
    --brand-red: #ef4444;
    --bg-darkest: #070a12;
    --bg-dark: #0b0f19;
    --bg-card: rgba(17, 24, 39, 0.85);
    --bg-card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --font-heading: 'Outfit', 'Montserrat', sans-serif;
    --font-serif: 'Cinzel', serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-darkest);
    color: var(--text-primary);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* TOP ANNOUNCEMENT BAR */
.top-bar {
    background: linear-gradient(90deg, #004d61 0%, #00a896 50%, #004d61 100%);
    color: #fff;
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 168, 150, 0.25);
}
.top-bar-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: #34d399;
    border-radius: 50%;
    animation: pulseDot 1.5s infinite;
}
@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.3); }
}

/* NAVBAR */
.navbar {
    position: relative;
    z-index: 40;
    padding: 1.15rem 0;
    background: rgba(7, 10, 18, 0.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--bg-card-border);
}
.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}
.brand-logo-img {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: #ffffff;
    padding: 3px;
    box-shadow: 0 4px 15px rgba(0, 168, 150, 0.3);
    flex-shrink: 0;
    object-fit: contain;
}
.logo-text {
    display: flex;
    flex-direction: column;
}
.logo-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.1;
}
.logo-sub {
    font-size: 0.72rem;
    color: var(--brand-primary);
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* BUTTONS */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, #00a896 0%, #028090 100%);
    color: #ffffff;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-heading);
    text-decoration: none;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 24px var(--brand-primary-glow);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 168, 150, 0.55);
    background: linear-gradient(135deg, #02c39a 0%, #00a896 100%);
}
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid rgba(0, 168, 150, 0.3);
    padding: 0.6rem 1.25rem;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}
.btn-secondary:hover {
    background: rgba(0, 168, 150, 0.15);
    border-color: var(--brand-primary);
    color: #fff;
    transform: translateY(-1px);
}
.huge-btn {
    padding: 1.25rem 2.5rem;
    font-size: 1.15rem;
    letter-spacing: 0.5px;
    width: 100%;
    max-width: 480px;
}
.pulse-btn {
    animation: pulseScale 2.5s infinite;
}
@keyframes pulseScale {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); box-shadow: 0 16px 36px rgba(0, 168, 150, 0.6); }
}

/* HERO */
.hero {
    position: relative;
    padding: 4rem 0 6rem 0;
    background: radial-gradient(circle at 50% 10%, rgba(0, 77, 97, 0.45) 0%, #070a12 75%);
    overflow: hidden;
}
.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    z-index: 1;
}
.orb-1 {
    width: 400px;
    height: 400px;
    background: rgba(0, 168, 150, 0.15);
    top: -100px;
    left: 10%;
}
.orb-2 {
    width: 500px;
    height: 500px;
    background: rgba(0, 77, 97, 0.25);
    top: 20%;
    right: -100px;
}
.hero-grid {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: center;
}

.combo-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(0, 168, 150, 0.12);
    border: 1px solid rgba(0, 168, 150, 0.35);
    padding: 0.4rem 0.85rem;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    backdrop-filter: blur(8px);
}
.combo-tag {
    background: linear-gradient(135deg, var(--brand-primary) 0%, #028090 100%);
    color: #fff;
    font-weight: 800;
    font-size: 0.75rem;
    padding: 0.18rem 0.6rem;
    border-radius: 20px;
}
.combo-desc {
    color: #38bdf8;
    font-weight: 600;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    color: #ffffff;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
}
.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}
.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--bg-card-border);
    padding: 0.85rem 1.25rem;
    border-radius: 12px;
    backdrop-filter: blur(6px);
}
.feat-icon {
    width: 38px;
    height: 38px;
    background: rgba(0, 168, 150, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-primary-hover);
    border: 1px solid rgba(0, 168, 150, 0.25);
    flex-shrink: 0;
}
.highlight-feat {
    background: rgba(0, 168, 150, 0.2);
    color: #34d399;
    border: 1px solid rgba(0, 168, 150, 0.45);
}
.feature-item strong {
    display: block;
    font-size: 0.95rem;
    color: #fff;
}
.feature-item span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.cta-micro-copy {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.cta-micro-copy span {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}
.cta-micro-copy i {
    width: 14px;
    height: 14px;
    color: #34d399;
}

/* ==========================================================================
   ULTRA-REALISTIC 3D BOOK & AUDIOBOOK SHOWCASE
   ========================================================================== */
.bundle-stage {
    position: relative;
    max-width: 440px;
    margin: 0 auto;
    perspective: 1400px;
}

.book-3d-scene {
    position: relative;
    width: 310px;
    height: 450px;
    margin: 0 auto;
    perspective: 1400px;
}

.book-3d-object {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transform: rotateY(-24deg) rotateX(8deg) rotateZ(-2deg);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.book-3d-scene:hover .book-3d-object {
    transform: rotateY(-12deg) rotateX(2deg) rotateZ(0deg) scale(1.03);
}

/* BOOK SPINE (Left 3D Edge) */
.book-spine-3d {
    position: absolute;
    top: 0;
    left: 0;
    width: 34px;
    height: 100%;
    transform: rotateY(-90deg) translateZ(0px);
    transform-origin: left center;
    background: linear-gradient(to right, #003543 0%, #004d61 50%, #003543 100%);
    border-radius: 4px 0 0 4px;
    border-left: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.spine-inner {
    transform: rotate(90deg);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #f8fafc;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1px;
}
.spine-logo-img {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    background: #ffffff;
    padding: 2px;
    object-fit: contain;
}
.spine-title {
    color: #fff;
    font-family: var(--font-heading);
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
}
.spine-brand {
    color: #38bdf8;
    font-size: 0.65rem;
    opacity: 0.9;
}

/* BOOK FRONT COVER */
.book-front-3d {
    position: absolute;
    inset: 0;
    border-radius: 4px 16px 16px 4px;
    overflow: hidden;
    background: radial-gradient(circle at 50% 30%, #004d61 0%, #070a12 100%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-left: none;
    box-shadow: -8px 0 15px rgba(0, 0, 0, 0.5), 15px 25px 50px rgba(0, 0, 0, 0.85);
}

.book-bg-artwork {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.45;
    filter: brightness(0.85) contrast(1.15);
    transform: scale(1.05);
}

.book-cover-frame {
    position: relative;
    z-index: 5;
    height: 100%;
    padding: 1.75rem 1.4rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-align: center;
    background: linear-gradient(180deg, rgba(7, 10, 18, 0.92) 0%, rgba(7, 10, 18, 0.4) 45%, rgba(7, 10, 18, 0.95) 100%);
    border: 1px solid rgba(0, 168, 150, 0.35);
    border-radius: 2px 14px 14px 2px;
    margin: 6px;
}

.cover-top-badge .badge-pill {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 800;
    color: #34d399;
    background: rgba(0, 168, 150, 0.18);
    border: 1px solid rgba(0, 168, 150, 0.4);
    padding: 0.25rem 0.6rem;
    border-radius: 30px;
    letter-spacing: 0.8px;
}

.cover-center-meta {
    padding: 0.5rem 0;
}

.cover-ornament {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00a896, transparent);
    margin: 0.5rem auto;
}

.cover-title-text {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 900;
    color: #ffffff;
    line-height: 1.2;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.9);
    margin: 0.5rem 0;
    text-transform: uppercase;
    letter-spacing: -0.3px;
}

.cover-divider-gold {
    width: 60px;
    height: 3px;
    background: #00a896;
    margin: 0.6rem auto;
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(0, 168, 150, 0.5);
}

.cover-subtitle-text {
    font-size: 0.8rem;
    color: #cbd5e1;
    line-height: 1.45;
    font-weight: 500;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8);
}

.cover-bottom-seal .publisher-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.65rem;
    font-weight: 800;
    color: #38bdf8;
    letter-spacing: 1px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 0.5rem;
}
.publisher-logo-icon {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    background: #ffffff;
    padding: 2px;
    object-fit: contain;
}

/* GLOSS / LIGHTING SHEEN */
.book-gloss-overlay {
    position: absolute;
    inset: 0;
    z-index: 10;
    pointer-events: none;
    background: linear-gradient(115deg, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0.04) 28%, transparent 55%);
}

/* 3D PAGES THICKNESS */
.book-pages-right {
    position: absolute;
    top: 4px;
    bottom: 4px;
    right: -16px;
    width: 16px;
    transform: rotateY(90deg);
    transform-origin: left center;
    background: repeating-linear-gradient(to bottom, #f8fafc 0px, #e2e8f0 2px, #cbd5e1 3px, #f8fafc 4px);
    border-radius: 0 2px 2px 0;
    box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.6);
}

.book-pages-top {
    position: absolute;
    top: -14px;
    left: 4px;
    right: 4px;
    height: 14px;
    transform: rotateX(90deg);
    transform-origin: bottom center;
    background: repeating-linear-gradient(to right, #f8fafc 0px, #e2e8f0 2px, #cbd5e1 3px, #f8fafc 4px);
    box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.5);
}

/* GROUND DROP SHADOW */
.book-drop-shadow {
    position: absolute;
    bottom: -35px;
    left: 5%;
    width: 90%;
    height: 35px;
    background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0) 75%);
    filter: blur(12px);
    transform: rotateX(85deg);
    pointer-events: none;
}

/* FLOATING AUDIOBOOK PLAYER CARD */
.audiobook-floating-card {
    position: absolute;
    bottom: -25px;
    right: -25px;
    background: rgba(11, 15, 25, 0.92);
    border: 1px solid rgba(0, 168, 150, 0.4);
    border-radius: 16px;
    padding: 1rem 1.25rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7), 0 0 20px rgba(0, 168, 150, 0.25);
    backdrop-filter: blur(12px);
    z-index: 30;
    max-width: 290px;
    animation: floatAnim 4s ease-in-out infinite;
}
@keyframes floatAnim {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
.audio-card-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 800;
    color: #38bdf8;
    letter-spacing: 0.5px;
    margin-bottom: 0.6rem;
}
.audio-card-badge i {
    width: 14px;
    height: 14px;
}
.audio-player-mini {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.play-btn-circle {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--brand-primary) 0%, #028090 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0, 168, 150, 0.35);
}
.play-btn-circle i {
    width: 18px;
    height: 18px;
}
.audio-meta {
    flex: 1;
}
.audio-title {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
}
.sound-wave {
    display: flex;
    align-items: center;
    gap: 3px;
    height: 16px;
    margin-top: 4px;
}
.sound-wave span {
    width: 3px;
    background: var(--brand-primary-hover);
    border-radius: 3px;
    animation: wave 1.2s ease-in-out infinite;
}
.sound-wave span:nth-child(1) { height: 6px; animation-delay: 0.1s; }
.sound-wave span:nth-child(2) { height: 14px; animation-delay: 0.2s; }
.sound-wave span:nth-child(3) { height: 10px; animation-delay: 0.3s; }
.sound-wave span:nth-child(4) { height: 16px; animation-delay: 0.4s; }
.sound-wave span:nth-child(5) { height: 8px; animation-delay: 0.5s; }
.sound-wave span:nth-child(6) { height: 12px; animation-delay: 0.6s; }
.sound-wave span:nth-child(7) { height: 5px; animation-delay: 0.7s; }
@keyframes wave {
    0%, 100% { transform: scaleY(0.4); }
    50% { transform: scaleY(1); }
}
.audio-format {
    background: rgba(0, 168, 150, 0.2);
    color: #34d399;
    border: 1px solid rgba(0, 168, 150, 0.4);
    font-size: 0.7rem;
    font-weight: 800;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}
.audio-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* STAMP 2 IN 1 */
.stamp-2in1 {
    position: absolute;
    top: -20px;
    left: -20px;
    background: linear-gradient(135deg, #004d61 0%, #00a896 100%);
    color: #fff;
    border-radius: 50%;
    width: 96px;
    height: 96px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 77, 97, 0.6);
    border: 2px dashed rgba(255, 255, 255, 0.75);
    transform: rotate(-12deg);
    z-index: 35;
}
.stamp-top { font-size: 0.55rem; font-weight: 700; opacity: 0.9; }
.stamp-main { font-family: var(--font-heading); font-size: 0.85rem; font-weight: 900; line-height: 1; }
.stamp-bot { font-size: 0.55rem; font-weight: 700; color: #38bdf8; }

/* SECTION HEADINGS */
.section-heading {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3.5rem auto;
}
.section-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 800;
    color: #38bdf8;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    background: rgba(0, 168, 150, 0.15);
    border: 1px solid rgba(0, 168, 150, 0.35);
    padding: 0.35rem 0.9rem;
    border-radius: 30px;
}
.section-heading h2 {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    color: #fff;
}
.section-heading p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* FORMATS SECTION */
.formats-section {
    padding: 6rem 0;
    background-color: var(--bg-dark);
    border-top: 1px solid var(--bg-card-border);
    border-bottom: 1px solid var(--bg-card-border);
}
.formats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}
.format-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    backdrop-filter: blur(10px);
    transition: transform 0.3s, border-color 0.3s;
}
.format-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 168, 150, 0.4);
}
.featured-format {
    border-color: rgba(0, 168, 150, 0.5);
    box-shadow: 0 10px 30px rgba(0, 168, 150, 0.15);
}
.featured-ribbon {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: linear-gradient(135deg, var(--brand-primary) 0%, #028090 100%);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    box-shadow: 0 4px 10px var(--brand-primary-glow);
}
.format-icon-box {
    width: 54px;
    height: 54px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.audio-icon-box {
    background: rgba(0, 168, 150, 0.15);
    color: var(--brand-primary-hover);
    border-color: rgba(0, 168, 150, 0.3);
}
.format-tag {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}
.audio-tag {
    color: #38bdf8;
}
.format-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #fff;
}
.format-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}
.format-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.format-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-primary);
}
.format-list li i {
    color: #34d399;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* BENEFITS SECTION */
.benefits-section {
    padding: 6rem 0;
    background-color: var(--bg-darkest);
}
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}
.benefit-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: 16px;
    padding: 1.75rem;
    transition: transform 0.2s, background 0.2s;
}
.benefit-card:hover {
    transform: translateY(-3px);
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(0, 168, 150, 0.3);
}
.chapter-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: #38bdf8;
    background: rgba(0, 168, 150, 0.15);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    border: 1px solid rgba(0, 168, 150, 0.3);
    margin-bottom: 0.75rem;
}
.benefit-card-header {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin-bottom: 0.6rem;
}
.check-icon {
    width: 20px;
    height: 20px;
    color: #34d399;
    flex-shrink: 0;
    margin-top: 2px;
}
.benefit-card h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: #fff;
    line-height: 1.3;
}
.benefit-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding-left: 1.8rem;
}
.benefits-cta {
    text-align: center;
    margin-top: 3.5rem;
}

/* PROOF SECTION */
.proof-section {
    padding: 6rem 0;
    background: var(--bg-dark);
}
.proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.proof-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.stars {
    color: var(--brand-gold);
    letter-spacing: 2px;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}
.proof-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-style: italic;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}
.user-info strong {
    display: block;
    color: #fff;
    font-size: 0.95rem;
}
.user-info span {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* GUARANTEE */
.guarantee-section {
    padding: 4rem 0;
    background-color: var(--bg-darkest);
}
.guarantee-box {
    background: linear-gradient(135deg, #0b1120 0%, #004d61 60%, #082f49 100%);
    border: 1px solid rgba(0, 168, 150, 0.4);
    border-radius: 24px;
    padding: 3.5rem 3rem;
    display: flex;
    align-items: center;
    gap: 3rem;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 168, 150, 0.2);
}
.guarantee-icon-wrap {
    width: 90px;
    height: 90px;
    background: rgba(0, 168, 150, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #34d399;
    flex-shrink: 0;
    border: 1px solid rgba(0, 168, 150, 0.35);
}
.guarantee-icon-wrap i {
    width: 50px;
    height: 50px;
}
.guarantee-tag {
    font-size: 0.8rem;
    font-weight: 800;
    color: #34d399;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    display: block;
}
.guarantee-text h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: #fff;
    margin-bottom: 0.75rem;
}
.guarantee-text p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

/* PRICING */
.pricing-section {
    padding: 6rem 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 77, 97, 0.35) 0%, #070a12 80%);
}
.pricing-card {
    max-width: 650px;
    margin: 0 auto;
    background: linear-gradient(180deg, #111827 0%, #070a12 100%);
    border: 2px solid var(--brand-primary);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85), 0 0 35px var(--brand-primary-glow);
    border-radius: 24px;
    padding: 3.5rem 2.5rem;
    text-align: center;
    position: relative;
    backdrop-filter: blur(16px);
}
.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-petrol) 100%);
    color: #fff;
    font-weight: 900;
    font-size: 0.85rem;
    letter-spacing: 1px;
    padding: 0.4rem 1.25rem;
    border-radius: 30px;
    box-shadow: 0 4px 15px var(--brand-primary-glow);
}
.pricing-card h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    color: #fff;
}
.pricing-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}
.pricing-included {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--bg-card-border);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 2.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    text-align: left;
}
.inc-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #f1f5f9;
}
.inc-item i {
    width: 18px;
    height: 18px;
    color: #34d399;
    flex-shrink: 0;
}
.price-container {
    margin-bottom: 2rem;
}
.price-from {
    font-size: 1.1rem;
    color: var(--brand-red);
    text-decoration: line-through;
    display: block;
    margin-bottom: 0.25rem;
}
.price-main {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    line-height: 1;
    color: #fff;
    margin-bottom: 0.5rem;
}
.price-main .currency {
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: 0.5rem;
    color: #38bdf8;
}
.price-main .amount {
    font-family: var(--font-heading);
    font-size: 4.5rem;
    font-weight: 900;
    color: #fff;
}
.price-main .cents {
    font-size: 2rem;
    font-weight: 800;
    margin-top: 0.5rem;
    color: #38bdf8;
}
.price-installments {
    font-size: 0.9rem;
    color: #34d399;
    font-weight: 600;
}
.secure-badges {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.sec-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.sec-item i {
    width: 14px;
    height: 14px;
    color: #34d399;
}

/* FAQ */
.faq-section {
    padding: 6rem 0;
    background-color: var(--bg-dark);
}
.faq-container {
    max-width: 800px;
}
.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: 12px;
    overflow: hidden;
}
.faq-question {
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: none;
    border: none;
    color: #fff;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}
.faq-question i {
    transition: transform 0.3s;
    color: var(--brand-primary);
}
.faq-answer {
    display: none;
    padding: 0 1.5rem 1.25rem 1.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}
.faq-item.faq-open .faq-answer,
.faq-item.active .faq-answer {
    display: block;
}
.faq-item.faq-open .faq-question i,
.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

/* CLEAN FOOTER */
.footer {
    background: #04060a;
    padding: 3.5rem 0 2.5rem 0;
    border-top: 1px solid var(--bg-card-border);
}
.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    text-align: center;
}
.copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* STICKY MOBILE BAR */
.sticky-mobile-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(7, 10, 18, 0.95);
    border-top: 1px solid rgba(0, 168, 150, 0.3);
    backdrop-filter: blur(12px);
    padding: 0.75rem 1.25rem;
    display: none;
    align-items: center;
    justify-content: space-between;
    z-index: 100;
    box-shadow: 0 -10px 25px rgba(0, 0, 0, 0.6);
}
.sticky-info {
    display: flex;
    flex-direction: column;
}
.sticky-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}
.sticky-price {
    font-size: 0.75rem;
    color: var(--text-secondary);
}
.sticky-price strong {
    color: #34d399;
}
.sticky-btn {
    padding: 0.6rem 1.25rem;
    font-size: 0.85rem;
    border-radius: 8px;
}

/* MODALS */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.modal-overlay.active {
    display: flex;
    opacity: 1;
}
.modal-content {
    background: #0b1120;
    border: 1px solid rgba(0, 168, 150, 0.3);
    width: 90%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: 20px;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s ease;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.85), 0 0 30px rgba(0, 168, 150, 0.2);
}
.modal-overlay.active .modal-content {
    transform: translateY(0);
}
.modal-close {
    position: absolute;
    top: 1.25rem; right: 1.25rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    width: 34px; height: 34px;
    border-radius: 50%;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s;
    z-index: 10;
}
.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}
.modal-header {
    padding: 2.25rem 2rem 1.25rem 2rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.modal-icon-badge {
    width: 50px;
    height: 50px;
    background: rgba(0, 168, 150, 0.18);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #34d399;
    margin: 0 auto 1rem auto;
    border: 1px solid rgba(0, 168, 150, 0.35);
}
.modal-header h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: #fff;
    margin-bottom: 0.4rem;
}
.modal-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}
.modal-body {
    padding: 1.75rem 2rem 2.25rem 2rem;
}
.input-group {
    margin-bottom: 1.15rem;
    text-align: left;
}
.input-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}
.input-group input {
    width: 100%;
    padding: 0.85rem 1rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.input-group input:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(0, 168, 150, 0.25);
}
.qr-container {
    background: #fff;
    padding: 1rem;
    border-radius: 16px;
    display: inline-block;
    margin-bottom: 1.25rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}
.qr-container img {
    display: block;
    width: 190px;
    height: 190px;
}
.copy-paste-container {
    margin-bottom: 1.25rem;
}
.copy-input-group {
    display: flex;
    gap: 0.5rem;
}
.copy-input-group input {
    flex: 1;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    font-size: 0.85rem;
}
.payment-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: #38bdf8;
    font-size: 0.9rem;
    font-weight: 600;
}
.spin {
    animation: spin 1s linear infinite;
}
@keyframes spin { 100% { transform: rotate(360deg); } }
.spinner {
    width: 40px; height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--brand-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

/* REVEAL ANIMATIONS */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* RESPONSIVENESS (MOBILE-FIRST POLISH) */
@media (max-width: 900px) {
    .hero-grid {
        display: flex;
        flex-direction: column-reverse;
        gap: 2rem;
        text-align: center;
    }
    .hero-title {
        font-size: 2.25rem;
    }
    .hero-copy {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .feature-item {
        text-align: left;
    }
    .cta-micro-copy {
        justify-content: center;
    }
    .bundle-stage {
        max-width: 300px;
        margin-top: 1rem;
    }
    .book-3d-scene {
        width: 270px;
        height: 390px;
    }
    .cover-title-text {
        font-size: 1.25rem;
    }
    .cover-subtitle-text {
        font-size: 0.75rem;
    }
    .audiobook-floating-card {
        bottom: -20px;
        right: -10px;
        max-width: 240px;
        padding: 0.75rem 1rem;
    }
    .stamp-2in1 {
        width: 80px;
        height: 80px;
        top: -10px;
        left: -10px;
    }
    .formats-grid {
        grid-template-columns: 1fr;
    }
    .guarantee-box {
        flex-direction: column;
        text-align: center;
        padding: 2.5rem 1.5rem;
        gap: 1.5rem;
    }
    .pricing-included {
        grid-template-columns: 1fr;
    }
    .pricing-card {
        padding: 3rem 1.5rem;
    }
    .secure-badges {
        flex-direction: column;
        gap: 0.5rem;
    }
    .sticky-mobile-bar {
        display: flex;
    }
    body {
        padding-bottom: 70px;
    }
}