:root {
    --dark-bg: #0f0f23;
    --card-bg: rgba(207, 202, 190, 0.1);
    --glass-border: rgba(207, 202, 190, 0.2);
    --text-primary: #ffffff;
    --text-secondary: #cfcabe;
    --accent-gold: #DAA520;
    --accent-brown: #8B4513;
    --accent-warm: #CD853F;
    --accent-beige: #cfcabe;
    --sunflower-subtle: #F4A460;
    --green-primary: #2d5a3d;
    --green-secondary: #1a4d2e;
    --green-accent: #b1c5a4;
}

* {
    box-sizing: border-box;
}

body {
    background: linear-gradient(135deg, #0f0f23, #1a1a2e, #16213e);
    color: var(--text-primary);
    font-family: 'Montserrat', sans-serif;
    min-height: 100vh;
    line-height: 1.55;
    margin: 0;
    padding: 0;
}

.container-fluid {
    padding: 0;
}

.header {
    background: linear-gradient(135deg, 
        var(--accent-brown), 
        var(--accent-warm), 
        var(--accent-gold), 
        var(--dark-bg));
    padding: 40px 20px 30px;
    text-align: center;
    color: var(--text-primary);
    box-shadow: 0 8px 32px rgba(218, 165, 32, 0.3);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(218, 165, 32, 0.1), 
        rgba(139, 69, 19, 0.1));
    backdrop-filter: blur(10px);
}

.header h1 {
    font-size: clamp(20px, 5vw, 28px);
    margin-bottom: 10px;
    font-weight: 700;
    color: var(--text-primary);
    position: relative;
    z-index: 2;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.header p {
    font-weight: 400;
    color: var(--text-secondary);
    position: relative;
    z-index: 2;
    font-size: clamp(14px, 3vw, 16px);
}

.content {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 30px 20px;
    max-width: 450px;
    margin: 20px auto;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    width: calc(100% - 20px);
}

.course-cover {
    width: 100%;
    max-width: 350px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    display: block;
    margin: 0 auto 20px auto;
    border: 2px solid var(--glass-border);
}

.course-cover:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(218, 165, 32, 0.4);
}

/* RIBBON OFFER - Mais sutil */
.ribbon-offer {
    background: linear-gradient(135deg, 
        rgba(218, 165, 32, 0.3), 
        rgba(205, 133, 63, 0.3), 
        rgba(139, 69, 19, 0.2));
    color: var(--text-primary);
    font-weight: 600;
    font-size: clamp(11px, 2.8vw, 13px);
    padding: 12px 15px;
    border-radius: 10px;
    text-align: center;
    margin: 15px auto;
    max-width: 100%;
    box-shadow: 0 2px 15px rgba(218, 165, 32, 0.2);
    border: 1px solid rgba(218, 165, 32, 0.2);
    position: relative;
    z-index: 5;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0.9;
}

/* CTA BUTTON - Muito mais destacado */
.cta-button {
    background: linear-gradient(45deg, 
        #FFD700, 
        #FFA500, 
        #FF8C00);
    color: #000000;
    border: none;
    padding: 20px 28px;
    font-size: clamp(16px, 4vw, 18px);
    font-weight: 800;
    border-radius: 35px;
    width: 100%;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.6);
    transition: all 0.3s ease;
    animation: mega-pulse-cta 1.5s infinite;
    border: 3px solid rgba(255, 215, 0, 0.8);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: relative;
    z-index: 20;
    margin-top: 25px;
    transform: scale(1.02);
}

.cta-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(255, 215, 0, 0.8);
    color: #000000;
    text-decoration: none;
    background: linear-gradient(45deg, #FFED4E, #FFB347, #FF7F50);
}

@keyframes mega-pulse-cta {
    0%, 100% { 
        box-shadow: 0 10px 30px rgba(255, 215, 0, 0.6);
        transform: scale(1.02);
    }
    50% { 
        box-shadow: 0 15px 45px rgba(255, 215, 0, 0.9);
        transform: scale(1.04);
    }
}

.benefit-item {
    margin-bottom: 12px;
    font-size: clamp(12px, 3vw, 14px);
    color: var(--text-primary);
    font-weight: 400;
    padding: 8px 0;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.benefit-item i {
    color: var(--accent-gold);
    font-size: 16px;
    margin-top: 2px;
    flex-shrink: 0;
}

.benefit-text {
    flex: 1;
}

/* GARANTIA - Mais sutil */
.guarantee {
    background: linear-gradient(135deg, 
        rgba(45, 90, 61, 0.4), 
        rgba(26, 77, 46, 0.3), 
        rgba(45, 90, 61, 0.2));
    color: #ffffff;
    padding: 15px 18px;
    border-radius: 12px;
    text-align: center;
    font-size: clamp(11px, 2.8vw, 13px);
    margin-top: 20px;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(26, 77, 46, 0.3);
    border: 1px solid rgba(177, 197, 164, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 5;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0.9;
}

.guarantee strong {
    color: var(--green-accent);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    position: relative;
    z-index: 2;
    font-size: clamp(12px, 2.8vw, 14px);
}

.guarantee .emoji {
    font-size: 16px;
    margin-right: 6px;
    filter: drop-shadow(1px 1px 2px rgba(0,0,0,0.3));
}

.course-card {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    position: relative;
}

.course-title {
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 15px;
    font-size: clamp(18px, 4vw, 22px);
}

.course-info {
    color: var(--text-secondary);
    font-size: clamp(12px, 3vw, 14px);
    margin-bottom: 20px;
    text-align: center;
}

.footer {
    text-align: center;
    font-size: clamp(10px, 2.5vw, 12px);
    color: var(--text-secondary);
    padding: 20px;
    font-weight: 400;
}

.whatsapp-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: linear-gradient(45deg, #25d366, #128c7e);
    color: white;
    width: clamp(50px, 12vw, 60px);
    height: clamp(50px, 12vw, 60px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(20px, 5vw, 28px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    text-decoration: none;
    animation: pulse-whats 2s infinite;
    border: 2px solid rgba(37, 211, 102, 0.3);
}

@keyframes pulse-whats {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.subtitle {
    color: var(--text-secondary);
    font-size: clamp(13px, 3vw, 15px);
    margin-bottom: 20px;
    font-weight: 400;
}

.accent-text {
    color: var(--accent-gold);
    font-weight: 700;
    font-size: clamp(18px, 4vw, 22px);
}

h2, h3 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

.text-muted {
    color: var(--text-secondary) !important;
}

strong {
    font-weight: 700;
    color: var(--text-primary);
}

/* Efeitos sutis */
.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(218, 165, 32, 0.03), 
        rgba(139, 69, 19, 0.02));
    border-radius: 20px;
    pointer-events: none;
}

/* Mobile pequeno */
@media (max-width: 360px) {
    .content {
        width: calc(100% - 5px);
        margin: 5px auto;
        padding: 15px 10px;
    }

    .course-card {
        padding: 15px 10px;
    }

    .course-cover {
        max-width: 250px;
    }

    .cta-button {
        font-size: 14px;
        padding: 16px 20px;
    }

    .header {
        padding: 20px 10px 15px;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .content {
        margin: 5px auto;
        padding: 15px 10px;
        width: calc(100% - 10px);
    }

    .header {
        padding: 20px 10px 15px;
    }

    .course-card {
        padding: 15px 10px;
    }

    .course-cover {
        max-width: 280px;
    }
}

/* Mobile grande */
@media (max-width: 576px) {
    .content {
        margin: 10px auto;
        padding: 20px 15px;
        width: calc(100% - 20px);
    }
    
    .header {
        padding: 25px 15px 20px;
    }

    .course-card {
        padding: 20px 15px;
    }

    .whatsapp-button {
        bottom: 15px;
        right: 15px;
    }

    .cta-button {
        padding: 18px 24px;
        font-size: 16px;
    }

    .benefit-item {
        font-size: 12px;
        margin-bottom: 10px;
    }

    .guarantee {
        padding: 12px 15px;
        font-size: 11px;
    }

    .ribbon-offer {
        padding: 10px 12px;
        font-size: 11px;
    }
}

/* Tablets - Layout melhorado */
@media (min-width: 768px) and (max-width: 1024px) {
    .content {
        max-width: 750px;
        padding: 50px 40px;
        margin: 40px auto;
    }

    .course-card {
        padding: 50px 40px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: start;
    }

    .course-image-section {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
    }

    .course-details-section {
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
    }

    .course-cover {
        max-width: 100%;
        width: 100%;
        margin-bottom: 20px;
    }

    .course-title {
        font-size: 28px;
        text-align: left;
        margin-bottom: 15px;
    }

    .course-info {
        font-size: 16px;
        text-align: left;
        margin-bottom: 25px;
    }

    .benefit-item {
        font-size: 16px;
        margin-bottom: 15px;
    }

    .ribbon-offer {
        grid-column: 1 / -1;
        font-size: 14px;
        padding: 15px 18px;
        margin: 20px 0;
    }

    .guarantee {
        grid-column: 1 / -1;
        font-size: 14px;
        padding: 18px 20px;
        margin: 20px 0;
    }

    .cta-button {
        grid-column: 1 / -1;
        font-size: 20px;
        padding: 22px 32px;
        max-width: 500px;
        margin: 30px auto 0;
    }

    .header {
        padding: 50px 30px 40px;
    }

    .header h1 {
        font-size: 32px;
    }

    .header p {
        font-size: 18px;
    }

    .whatsapp-button {
        width: 70px;
        height: 70px;
        font-size: 32px;
        bottom: 30px;
        right: 30px;
    }

    .subtitle {
        font-size: 16px;
    }

    .accent-text {
        font-size: 30px;
    }
}

/* Desktop - Layout otimizado */
@media (min-width: 1025px) {
    .content {
        max-width: 900px;
        padding: 60px 50px;
        margin: 50px auto;
    }

    .course-card {
        padding: 60px 50px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 50px;
        align-items: start;
    }

    .course-image-section {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        position: relative;
        z-index: 1;
    }

    .course-details-section {
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        position: relative;
        z-index: 5;
    }

    .course-cover {
        max-width: 100%;
        width: 100%;
        margin-bottom: 20px;
        position: relative;
        z-index: 1;
    }

    .course-cover:hover {
        transform: scale(1.08);
    }

    .course-title {
        font-size: 32px;
        text-align: left;
        margin-bottom: 20px;
    }

    .course-info {
        font-size: 18px;
        text-align: left;
        margin-bottom: 30px;
    }

    .benefit-item {
        font-size: 18px;
        margin-bottom: 18px;
    }

    .ribbon-offer {
        grid-column: 1 / -1;
        font-size: 15px;
        padding: 18px 22px;
        margin: 25px 0;
        position: relative;
        z-index: 5;
    }

    .guarantee {
        grid-column: 1 / -1;
        font-size: 15px;
        padding: 20px 25px;
        margin: 25px 0;
        position: relative;
        z-index: 5;
    }

    .cta-button {
        grid-column: 1 / -1;
        font-size: 22px;
        padding: 24px 36px;
        max-width: 600px;
        margin: 35px auto 0;
        position: relative;
        z-index: 20;
    }

    .header {
        padding: 60px 40px 50px;
    }

    .header h1 {
        font-size: 36px;
    }

    .header p {
        font-size: 18px;
    }

    .whatsapp-button {
        width: 75px;
        height: 75px;
        font-size: 36px;
        bottom: 40px;
        right: 40px;
    }

    .subtitle {
        font-size: 17px;
    }

    .accent-text {
        font-size: 34px;
    }

    .footer {
        font-size: 14px;
        padding: 30px;
    }
}

/* Desktop extra grande - Layout premium */
@media (min-width: 1400px) {
    .content {
        max-width: 1100px;
        padding: 70px 60px;
    }

    .course-card {
        padding: 70px 60px;
        gap: 60px;
    }

    .course-title {
        font-size: 36px;
    }

    .course-info {
        font-size: 20px;
    }

    .benefit-item {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .ribbon-offer {
        font-size: 16px;
        padding: 20px 25px;
    }

    .guarantee {
        font-size: 16px;
        padding: 22px 28px;
    }

    .cta-button {
        font-size: 24px;
        padding: 26px 40px;
        max-width: 700px;
    }

    .header h1 {
        font-size: 40px;
    }

    .header p {
        font-size: 20px;
    }

    .accent-text {
        font-size: 38px;
    }
}