/* Reset e variáveis */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #2c2c2c;
    --color-secondary: #6b6b6b;
    --color-accent: #d4a574;
    --color-brand-red: #ed3237;
    --color-brand-blue: #0f3b8c;
    --color-light: #f8f8f8;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-light: #666666;
    --font-display: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s ease;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
    overflow: hidden;
}

.hero-image {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.2;
    filter: grayscale(100%);
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

@media (max-width: 768px) {
    .hero-image {
        opacity: 0.1;
    }
}

.hero-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(212, 165, 116, 0.05) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 40px 20px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    color: var(--color-brand-blue);
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    font-weight: 300;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    cursor: pointer;
    opacity: 0;
    animation: fadeInScroll 1.5s ease-out 1s forwards, bounce 2s ease-in-out infinite 2.5s;
}

.scroll-icon {
    width: 32px;
    height: 32px;
    color: var(--color-brand-blue);
    stroke-width: 2;
    transition: var(--transition);
}

.scroll-indicator:hover .scroll-icon {
    color: var(--color-brand-red);
    transform: scale(1.2);
}

@keyframes fadeInScroll {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

.scroll-indicator.hidden {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease-out;
}

/* Animações */
.fade-in {
    animation: fadeIn 1.5s ease-out;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Seções gerais */
.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    color: var(--color-brand-blue);
    text-align: center;
    margin-bottom: 50px;
    line-height: 1.3;
}

.section-content {
    max-width: 800px;
    margin: 0 auto;
}

/* Seção: Conceito */
.concept {
    background-color: var(--color-white);
}

.concept-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text);
}

.concept-text p {
    margin-bottom: 20px;
}

.concept-text p:first-child {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-brand-red);
    margin-bottom: 25px;
}

/* Seção: Ideias da campanha */
.campaign-ideas {
    background-color: var(--color-light);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.idea-card {
    background: var(--color-white);
    border-radius: 16px;
    padding: 35px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.idea-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.idea-card:hover .card-icon .lucide-icon {
    transform: scale(1.1);
    color: var(--color-brand-red);
}

.strategy-card:hover .strategy-icon .lucide-icon {
    transform: scale(1.1);
    color: var(--color-brand-red);
}

.card-icon {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon .lucide-icon {
    width: 48px;
    height: 48px;
    color: var(--color-brand-blue);
    stroke-width: 1.5;
    transition: var(--transition);
}

.card-image {
    width: 100%;
    height: 200px;
    margin-bottom: 20px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--color-light);
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition);
}

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

.card-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-brand-blue);
    margin-bottom: 15px;
}

.card-description {
    color: var(--color-text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.card-details {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.detail-item {
    margin-bottom: 12px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text);
}

.detail-item strong {
    color: var(--color-brand-blue);
    font-weight: 600;
}

/* Seção Interativa */
.interactive {
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
    text-align: center;
}

.interactive-content {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.interactive-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: 40px;
    font-weight: 300;
}

.light-button {
    background: var(--color-brand-blue);
    color: var(--color-white);
    border: none;
    padding: 18px 45px;
    font-size: 1.1rem;
    font-weight: 500;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-body);
    box-shadow: var(--shadow);
    margin: 0 auto 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-align: center;
    white-space: nowrap;
    width: auto;
    min-width: fit-content;
}

.button-icon {
    width: 20px;
    height: 20px;
    stroke-width: 2;
    flex-shrink: 0;
    flex-grow: 0;
    display: block;
    color: var(--color-white);
    margin: 0;
    padding: 0;
    line-height: 0;
}

.button-icon:empty,
.button-icon:not(:has(svg)) {
    display: none !important;
    width: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    flex-basis: 0 !important;
}

.light-button:has(.button-icon:empty),
.light-button:has(.button-icon:not(:has(svg))) {
    gap: 0 !important;
}

.button-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

.button-text {
    display: block;
    line-height: 1;
    margin: 0;
    padding: 0;
    flex-shrink: 0;
    text-align: center;
    width: 100%;
}

.light-button:hover {
    background: var(--color-brand-red);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.light-button:active {
    transform: translateY(0);
}

.candle-container {
    display: none;
    margin-top: 50px;
}

.candle-container.show {
    display: block;
    animation: fadeIn 1s ease-out;
}

.candle {
    position: relative;
    width: 60px;
    height: 120px;
    margin: 0 auto 30px;
}

.wax {
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, #f5f5f5 0%, #e8e8e8 50%, #f5f5f5 100%);
    border-radius: 30px 30px 8px 8px;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.1);
}

.flame {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 40px;
    animation: flicker 2s ease-in-out infinite;
}

.flame-inner {
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, #ffd700 0%, #ff8c00 50%, #ff4500 100%);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    box-shadow: 0 0 20px #ff8c00, 0 0 40px #ff4500;
}

@keyframes flicker {
    0%, 100% {
        transform: translateX(-50%) scale(1) rotate(-1deg);
    }
    25% {
        transform: translateX(-50%) scale(1.05) rotate(1deg);
    }
    50% {
        transform: translateX(-50%) scale(0.98) rotate(-0.5deg);
    }
    75% {
        transform: translateX(-50%) scale(1.02) rotate(0.5deg);
    }
}

.candle-message {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-brand-red);
    font-style: italic;
    margin-top: 30px;
    opacity: 0;
    animation: fadeIn 1s ease-out 0.5s forwards;
}

/* Seção: Estratégia */
.strategy {
    background-color: var(--color-white);
}

.strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.strategy-card {
    background: var(--color-light);
    border-radius: 16px;
    padding: 35px;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.strategy-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.strategy-icon {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.strategy-icon .lucide-icon {
    width: 42px;
    height: 42px;
    color: var(--color-brand-blue);
    stroke-width: 1.5;
    transition: var(--transition);
}

.strategy-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-brand-blue);
    margin-bottom: 20px;
}

.strategy-content {
    color: var(--color-text);
    line-height: 1.8;
}

.strategy-content p {
    margin-bottom: 12px;
}

.strategy-content strong {
    color: var(--color-brand-blue);
    font-weight: 600;
}

/* Seção: Por que funciona */
.why-works {
    background-color: var(--color-light);
}

.why-list {
    max-width: 900px;
    margin: 0 auto;
}

.why-item {
    display: flex;
    gap: 25px;
    margin-bottom: 40px;
    align-items: flex-start;
}

.why-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.why-icon .lucide-icon {
    width: 40px;
    height: 40px;
    color: var(--color-brand-blue);
    stroke-width: 1.5;
    transition: var(--transition);
}

.why-text h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-brand-blue);
    margin-bottom: 10px;
}

.why-text p {
    color: var(--color-text);
    line-height: 1.7;
    font-size: 1.05rem;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--color-brand-blue) 0%, var(--color-brand-red) 100%);
    color: var(--color-white);
    padding: 50px 0;
    text-align: center;
}

.footer-logo {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-link {
    display: inline-block;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo-img {
    max-width: 150px;
    height: auto;
    opacity: 0.9;
    transition: var(--transition);
    display: block;
}

.logo-link:hover .logo-img {
    opacity: 1;
}

.footer-text {
    font-size: 0.95rem;
    opacity: 0.8;
    margin-bottom: 15px;
}

.footer-author {
    font-size: 1rem;
    margin-bottom: 10px;
    font-weight: 500;
}

.footer-note {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Responsividade */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .section-padding {
        padding: 50px 0;
    }

    .hero {
        min-height: 85vh;
        padding: 20px 0;
    }

    .hero-content {
        padding: 30px 16px;
    }

    .hero-title {
        margin-bottom: 16px;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: clamp(1rem, 4vw, 1.2rem);
        padding: 0 10px;
    }

    .section-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
        margin-bottom: 35px;
        padding: 0 10px;
    }

    .concept-text {
        font-size: 1rem;
        line-height: 1.7;
    }

    .concept-text p:first-child {
        font-size: 1.15rem;
        margin-bottom: 20px;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 30px;
    }

    .strategy-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 30px;
    }

    .idea-card,
    .strategy-card {
        padding: 24px 20px;
    }

    .card-title,
    .strategy-title {
        font-size: 1.3rem;
        margin-bottom: 12px;
    }

    .card-description,
    .strategy-content {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .card-image {
        height: 180px;
        margin-bottom: 16px;
    }

    .card-icon .lucide-icon {
        width: 40px;
        height: 40px;
    }

    .strategy-icon .lucide-icon {
        width: 36px;
        height: 36px;
    }

    .why-item {
        flex-direction: column;
        gap: 12px;
        text-align: center;
        margin-bottom: 30px;
    }

    .why-icon .lucide-icon {
        width: 36px;
        height: 36px;
    }

    .why-text h3 {
        font-size: 1.25rem;
        margin-bottom: 8px;
    }

    .why-text p {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .interactive-subtitle {
        font-size: 1.05rem;
        margin-bottom: 30px;
    }

    .light-button {
        padding: 16px 32px;
        font-size: 1rem;
        min-height: 48px; /* Touch target mínimo */
        width: 100%;
        max-width: 280px;
    }

    .candle {
        width: 50px;
        height: 100px;
    }

    .candle-message {
        font-size: 1.1rem;
        margin-top: 25px;
        padding: 0 20px;
    }

    .footer {
        padding: 40px 0;
    }

    .footer-logo {
        margin-bottom: 25px;
    }

    .logo-img {
        max-width: 120px;
    }

    .footer-text,
    .footer-author,
    .footer-note {
        font-size: 0.9rem;
        padding: 0 20px;
    }

    .scroll-indicator {
        bottom: 25px;
    }

    .scroll-icon {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }

    .section-padding {
        padding: 40px 0;
    }

    .hero {
        min-height: 80vh;
    }

    .hero-content {
        padding: 25px 12px;
    }

    .hero-title {
        font-size: clamp(1.75rem, 10vw, 2.2rem);
        margin-bottom: 12px;
        line-height: 1.15;
    }

    .hero-subtitle {
        font-size: clamp(0.95rem, 4.5vw, 1.1rem);
        padding: 0 8px;
    }

    .section-title {
        font-size: clamp(1.5rem, 7vw, 1.9rem);
        margin-bottom: 30px;
        padding: 0 8px;
    }

    .concept-text {
        font-size: 0.95rem;
    }

    .concept-text p:first-child {
        font-size: 1.1rem;
        margin-bottom: 18px;
    }

    .cards-grid,
    .strategy-grid {
        gap: 18px;
        margin-top: 25px;
    }

    .idea-card,
    .strategy-card {
        padding: 20px 16px;
    }

    .card-title,
    .strategy-title {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }

    .card-description,
    .strategy-content {
        font-size: 0.9rem;
    }

    .detail-item {
        font-size: 0.9rem;
        margin-bottom: 10px;
    }

    .strategy-content p {
        margin-bottom: 10px;
    }

    .card-image {
        height: 160px;
        margin-bottom: 14px;
    }

    .card-icon .lucide-icon {
        width: 36px;
        height: 36px;
    }

    .strategy-icon .lucide-icon {
        width: 32px;
        height: 32px;
    }

    .why-item {
        margin-bottom: 25px;
        gap: 10px;
    }

    .why-icon .lucide-icon {
        width: 32px;
        height: 32px;
    }

    .why-text h3 {
        font-size: 1.15rem;
    }

    .why-text p {
        font-size: 0.9rem;
    }

    .interactive-subtitle {
        font-size: 1rem;
        margin-bottom: 25px;
    }

    .light-button {
        padding: 14px 28px;
        font-size: 0.95rem;
        min-height: 48px;
        width: 100%;
        max-width: 260px;
    }

    .button-icon {
        width: 18px;
        height: 18px;
    }

    .candle {
        width: 45px;
        height: 90px;
    }

    .candle-message {
        font-size: 1rem;
        margin-top: 20px;
        padding: 0 16px;
    }

    .footer {
        padding: 35px 0;
    }

    .footer-logo {
        margin-bottom: 20px;
    }

    .logo-img {
        max-width: 100px;
    }

    .footer-text,
    .footer-author,
    .footer-note {
        font-size: 0.85rem;
        padding: 0 16px;
        line-height: 1.5;
    }

    .scroll-indicator {
        bottom: 20px;
    }

    .scroll-icon {
        width: 26px;
        height: 26px;
    }
}

/* Dispositivos muito pequenos */
@media (max-width: 360px) {
    .container {
        padding: 0 10px;
    }

    .hero-title {
        font-size: clamp(1.5rem, 11vw, 2rem);
    }

    .section-title {
        font-size: clamp(1.4rem, 8vw, 1.75rem);
    }

    .light-button {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
}

/* Melhorias para touch devices */
@media (hover: none) and (pointer: coarse) {
    .idea-card:hover,
    .strategy-card:hover {
        transform: none;
    }

    .light-button:active {
        transform: scale(0.98);
    }

    .scroll-indicator:active {
        transform: translateX(-50%) scale(0.9);
    }
}