/* 
   THIF Landing Page Style
   Distilled from reference site soomi.com.br/thif/
*/

:root {
    --primary-color: #2DD985;
    --primary-hover: #11B363;
    --bg-dark: #14171C;
    --bg-card: #171C2B;
    --text-main: #FFFFFF;
    --text-muted: #AAAAAA;
    --text-muted-alt: #5A616FD6;
    --section-padding: 90px 0;
    --container-width: 1140px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Helvetica', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    transition: 0.3s;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.main-header {
    background-color: var(--bg-dark);
    padding: 20px 0;
    border-bottom: 1px solid #363F5A;
}

.main-logo {
    max-width: 150px;
}

/* Typography */
h1, h2, h3 {
    font-family: 'Helvetica', sans-serif;
    font-weight: 300;
}

.text-center { text-align: center; }
.green-text { color: var(--primary-color); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 20px 80px;
    background-color: var(--primary-color);
    color: #234233;
    font-weight: 600;
    font-size: 19px;
    border-radius: 5px;
    transition: transform 0.3s, background-color 0.3s;
    cursor: pointer;
    border: none;
}

.btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

/* Sections */
section {
    padding: var(--section-padding);
}

/* Hero Section */
.hero {
    min-height: 800px;
    background-image: linear-gradient(#0000005E, #0000005E), url('../assets/images/PC-10-1-convert.io_.webp');
    background-position: top center;
    background-repeat: no-repeat;
    background-size: cover;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-bottom: 200px;
}

.hero .container {
    max-width: 900px; /* narrowed as per user request */
}

.hero h1 {
    font-size: 67px;
    line-height: 1.05;
    margin-bottom: 23px;
}

.hero p {
    font-size: 23px;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 35px;
    max-width: 1000px;
}

/* Principles Section */
.principles {
    background-color: var(--bg-dark);
}

.principles h2 {
    font-size: 57px;
    margin-bottom: 30px;
}

.principles p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 40px;
    max-width: 800px;
}

.flex-container {
    display: flex;
    align-items: center;
    gap: 40px;
}

.principles-content { flex: 1; }
.principles-image { flex: 1; }

.reverse {
    flex-direction: row-reverse;
}

/* Método Hokage */
.metodo-hokage {
    background-color: #0A0D12;
    padding: 100px 0;
}

.method-title {
    font-size: 55px;
    margin-bottom: 30px;
    font-weight: 500;
}

.method-desc {
    font-size: 20px;
    color: #E2E8F0;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto 60px;
    font-weight: 300;
}

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

.metodo-image-container img {
    width: 100%;
    filter: drop-shadow(0 10px 30px rgba(0,0,0,0.5));
}

/* Gamification */
.gamification {
    background-color: var(--bg-dark);
}

.gamification h2 {
    font-size: 57px;
    margin-bottom: 10px;
}

.gamification .subtitle {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.gamification-image img {
    margin-bottom: 20px;
}

.image-caption {
    font-size: 20px;
    font-style: italic;
    color: var(--text-muted-alt);
    margin-bottom: 30px;
}

/* Platform Inside */
.platform-preview {
    background-color: #0A0D12;
    padding: 120px 0;
    position: relative;
    background-image: linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 12.5% 100%;
}

.platform-preview h2 {
    font-size: 50px;
    margin-bottom: 15px;
}

.platform-preview .subtitle {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 60px;
}

.video-wrapper {
    max-width: 900px;
    margin: 0 auto 60px;
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Professors */
.professors {
    background-color: #0A0D12;
    padding: 120px 0;
    position: relative;
    background-image: linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 12.5% 100%;
}

.professors .section-title {
    font-size: 55px;
    margin-bottom: 80px;
}

.prof-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.prof-card {
    background-color: #14171C;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.05);
    padding: 25px;
    width: 480px;
    display: flex;
    flex-direction: column;
    text-align: left;
}

.prof-card img {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 25px;
}

.prof-info h3 {
    font-size: 28px;
    margin-bottom: 15px;
    color: #FFF;
}

.prof-info p {
    color: #CBD5E0;
    font-size: 15px;
    line-height: 1.65;
}

@media (max-width: 1024px) {
    .prof-card {
        width: 100%;
        max-width: 500px;
    }
}

/* Why IF? */
.why-if {
    background-color: #15171C;
    padding: 80px 0;
}

.why-if-card {
    background-color: #171c2b;
    background-image: url('../assets/images/campuspalhoca1.webp');
    background-position: center center;
    background-size: cover;
    border: 1px solid #363F5A;
    border-radius: 10px;
    padding: 60px;
    position: relative;
    overflow: hidden;
}

/* Dark overlay on the campus image so text stays readable */
.why-if-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(15, 18, 28, 0.78);
    pointer-events: none;
}

.why-if-card > * {
    position: relative;
    z-index: 1;
}

.why-if-title {
    font-family: 'Inter', sans-serif;
    font-size: 57px;
    font-weight: 300;
    color: #FFF;
    text-align: center;
    margin-bottom: 40px;
    line-height: 1.15;
}

.why-if-swiper {
    padding-bottom: 50px !important;
    overflow: hidden;
}

/* Each slide is a fixed-width card so 3 are visible at once */
.why-if-swiper .swiper-slide {
    width: 320px !important;
    flex-shrink: 0;
}

.why-if-swiper .swiper-slide img {
    width: 100%;
    height: auto;
    border-radius: 6px;
    display: block;
}

/* Dots: white inactive, green active */
.why-if-swiper .swiper-pagination-bullet {
    background: #FFFFFF;
    opacity: 1;
}

.why-if-swiper .swiper-pagination-bullet-active {
    background: #2DD985;
}


/* Why Choose Us (Accordion) */
.why-choose-us {
    background-color: #0A0D12;
    padding: 100px 0;
}

.why-choose-inner {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.choose-content {
    flex: 0 0 38%;
    max-width: 38%;
}

.choose-content h1 {
    font-size: 48px;
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: 24px;
}

.choose-content p {
    font-size: 15px;
    color: #CBD5E0;
    line-height: 1.7;
}

.choose-content em {
    font-style: italic;
    color: #2DD985;
}

.choose-accordion {
    flex: 1;
}

.accordion-item {
    border: 1px solid #95A1AA;
    border-radius: 4px;
    margin-bottom: 8px;
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    padding: 20px 20px;
    background: none;
    border: none;
    color: #FFF;
    text-align: left;
    font-size: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 400;
    letter-spacing: 0.02em;
}

.accordion-header:hover {
    background: rgba(255,255,255,0.03);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.2s ease;
    padding: 0 20px;
    border-top: 0 solid #95A1AA;
}

.accordion-item.active .accordion-content {
    max-height: 300px;
    padding: 14px 20px 20px;
    border-top: 1px solid #95A1AA;
}

.accordion-item.active .icon {
    transform: rotate(45deg);
    color: #2DD985;
}

.accordion-item .icon {
    transition: 0.25s;
    font-size: 22px;
    font-weight: 300;
    color: #2DD985;
    flex-shrink: 0;
    margin-left: 12px;
}

/* Cursos Técnicos Section */
.cursos-tecnicos {
    background-color: #14171C;
    padding: 100px 0;
}

.cursos-inner {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.cursos-content {
    flex: 0 0 50%;
    max-width: 50%;
}

.cursos-content h1 {
    font-size: 48px;
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: 20px;
}

.cursos-content > p {
    font-size: 14px;
    color: #A0AEC0;
    line-height: 1.7;
    margin-bottom: 28px;
}

.cursos-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.cursos-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: #CBD5E0;
    padding: 6px 0;
}

.cursos-list li svg {
    width: 14px;
    height: 14px;
    fill: #2DD985;
    flex-shrink: 0;
}

.cursos-image {
    flex: 1;
    display: flex;
    align-items: flex-start;
}

.cursos-image img {
    width: 100%;
    max-width: 400px;
    border-radius: 12px;
}

@media (max-width: 768px) {
    .cursos-inner {
        flex-direction: column;
    }
    .cursos-content {
        flex: unset;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .why-choose-inner {
        flex-direction: column;
    }
    .choose-content {
        flex: unset;
        max-width: 100%;
    }
}

/* Cursos Bônus */
.cursos-bonus {
    background-color: #0A0D12;
    padding: 100px 0;
}

.cursos-bonus h2 {
    font-size: 46px;
    margin-bottom: 60px;
}

.bonus-cards {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.bonus-card {
    background-color: #171c2b;
    border: 1px solid #242A33;
    border-radius: 10px;
    overflow: hidden;
    width: 420px;
    display: flex;
    flex-direction: column;
}

.bonus-thumb img {
    width: 100%;
    display: block;
    aspect-ratio: 600 / 350;
    object-fit: cover;
}

.bonus-info {
    padding: 24px 24px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.bonus-info h3 {
    font-size: 20px;
    font-weight: 600;
    color: #FFF;
    margin-bottom: 10px;
}

.bonus-info p {
    font-size: 14px;
    color: #A0AEC0;
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.btn-bonus {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: #2DD985;
    color: #000;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.08em;
    padding: 12px 20px;
    border-radius: 4px;
    text-decoration: none;
    transition: background 0.2s ease;
}

.btn-bonus:hover {
    background-color: #22c470;
}

.btn-bonus svg {
    width: 10px;
    height: 16px;
    fill: #000;
}

/* Pricing + Guarantee Section */
.pricing {
    background-color: #0A0D12;
    padding: 100px 0;
}

.pricing-inner {
    display: flex;
    gap: 80px;
    align-items: flex-start;
}

/* Left card */
.pricing-card {
    flex: 0 0 46%;
    background-color: #12151E;
    border: 1px solid #2A2E3A;
    border-radius: 12px;
    padding: 40px 36px;
}

.pricing-title {
    font-size: 22px;
    font-weight: 500;
    line-height: 1.4;
    text-align: center;
    margin-bottom: 30px;
}

/* Checklist */
.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 30px;
    border-top: 1px solid #2A2E3A;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: #CBD5E0;
    padding: 12px 0;
    border-bottom: 1px solid #2A2E3A;
}

.pricing-features li svg {
    width: 18px;
    height: 18px;
    fill: #2DD985;
    flex-shrink: 0;
}

/* Price block */
.pricing-price {
    text-align: center;
    margin: 24px 0;
}

.old-price {
    font-size: 18px;
    color: #A0AEC0;
    margin-bottom: 6px;
}

.strike { text-decoration: line-through; }

.price-main {
    font-size: 48px;
    font-weight: 700;
    margin: 8px 0;
}

.cash-price {
    font-size: 15px;
    color: #A0AEC0;
    margin-top: 4px;
}

/* CTA button */
.btn-cta {
    display: block;
    width: 100%;
    background-color: #2DD985;
    color: #000;
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 0.08em;
    text-align: center;
    padding: 16px;
    border-radius: 6px;
    text-decoration: none;
    margin-top: 20px;
    transition: background 0.2s;
}

.btn-cta:hover { background-color: #22c470; }

.secure-badge {
    display: block;
    margin: 20px auto 0;
    max-width: 220px;
}

/* Right: Guarantee column */
.guarantee-col {
    flex: 1;
    padding-top: 20px;
}

.guarantee-badge {
    width: 200px;
    display: block;
    margin: 0 auto 30px;
}

.guarantee-col h3 {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.2;
}

.guarantee-col p {
    font-size: 14px;
    color: #A0AEC0;
    line-height: 1.7;
    margin-bottom: 14px;
}

@media (max-width: 900px) {
    .pricing-inner {
        flex-direction: column;
    }
    .pricing-card { flex: unset; width: 100%; }
    .guarantee-col { width: 100%; }
}


/* Team Section */
.team {
    background-color: #0A0D12;
    padding: 80px 0;
}

.team-inner {
    display: flex;
    align-items: stretch;
    gap: 0;
    border-radius: 16px;
    overflow: hidden;
}

.team-card {
    flex: 0 0 44%;
    background-color: #171c2b;
    padding: 60px 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.team-title {
    font-size: 40px;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 28px;
}

.team-card p {
    font-size: 13px;
    color: #A0AEC0;
    line-height: 1.75;
    margin-bottom: 16px;
}

.team-image {
    flex: 1;
    overflow: hidden;
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

@media (max-width: 900px) {
    .team-inner { flex-direction: column; }
    .team-card { flex: unset; padding: 40px 30px; }
}

/* Parents Section */
.parents-section {
    background-color: #0A0D12;
    padding: 100px 0;
    overflow: hidden;
}

.parents-title {
    font-size: 48px;
    font-weight: 500;
    margin-bottom: 60px;
    line-height: 1.2;
}

.parents-inner {
    display: flex;
    gap: 60px;
    align-items: center;
}

.parents-left {
    flex: 0 0 28%;
    max-width: 28%;
}

.parents-left h3 {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 16px;
}

.parents-left p {
    font-size: 14px;
    color: #2DD985;
    line-height: 1.7;
    margin-bottom: 28px;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid #4A5568;
    color: #FFF;
    background: transparent;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s;
}

.btn-whatsapp:hover {
    border-color: #2DD985;
    background: rgba(45,217,133,0.08);
}

.btn-whatsapp svg {
    width: 18px;
    height: 18px;
    fill: #FFF;
    flex-shrink: 0;
}

.parents-right {
    flex: 1;
    overflow: hidden;
}

.parents-swiper {
    overflow: hidden;
    width: 100%;
}

.parents-swiper .swiper-slide {
    width: 280px;
    margin-right: 20px;
}

.parents-swiper .swiper-slide img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    display: block;
}

@media (max-width: 900px) {
    .parents-inner { flex-direction: column; }
    .parents-left { flex: unset; max-width: 100%; }
}

/* FAQ */
.faq {
    background-color: #0A0D12;
    padding: 100px 0;
}

.faq-title {
    font-size: 56px;
    font-weight: 500;
    margin-bottom: 30px;
    line-height: 1.1;
}

.faq-cta {
    margin-bottom: 60px;
}

.btn-faq-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid #4A5568;
    color: #FFF;
    background: transparent;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.1em;
    padding: 14px 32px;
    border-radius: 6px;
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s;
}

.btn-faq-whatsapp:hover {
    border-color: #2DD985;
    background: rgba(45,217,133,0.06);
}

.btn-faq-whatsapp svg {
    width: 16px;
    height: 16px;
    fill: #FFF;
    flex-shrink: 0;
}

.faq-accordion {
    max-width: 820px;
    margin: 0 auto;
}

.faq-accordion .accordion-item {
    border: 1px solid #2A2E3A;
    border-radius: 6px;
    margin-bottom: 14px;
    overflow: hidden;
}

.faq-accordion .accordion-header {
    font-size: 15px;
    font-weight: 400;
    padding: 20px 24px;
    color: #E2E8F0;
    letter-spacing: 0.01em;
}

.faq-accordion .accordion-item.active .accordion-content {
    max-height: 300px;
    padding: 4px 24px 20px;
    border-top: 1px solid #2A2E3A;
}

.faq-accordion .accordion-content {
    padding: 0 24px;
}

.faq-accordion .accordion-content p {
    font-size: 14px;
    color: #A0AEC0;
    line-height: 1.7;
}

/* Footer */
.thif-footer {
    background-color: #0A0D12;
    border-top: 1px solid #1E2330;
    padding: 72px 0 0;
    color: #A0AEC0;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 56px;
}

.footer-brand img {
    display: block;
    margin-bottom: 18px;
}

.footer-desc {
    font-size: 13px;
    line-height: 1.75;
    color: #718096;
    max-width: 260px;
}

.footer-heading {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #2DD985;
    margin-bottom: 18px;
}

.footer-menu ul,
.footer-social-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-menu a,
.footer-social-col a {
    font-size: 14px;
    color: #A0AEC0;
    text-decoration: none;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-menu a:hover,
.footer-social-col a:hover {
    color: #FFF;
}

.footer-social-col svg {
    width: 15px;
    height: 15px;
    fill: #718096;
    flex-shrink: 0;
    transition: fill 0.2s;
}

.footer-social-col a:hover svg {
    fill: #2DD985;
}

.footer-divider {
    border: none;
    border-top: 1px solid #1E2330;
    margin: 0;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 22px 0;
    font-size: 13px;
    color: #4A5568;
    flex-wrap: wrap;
    gap: 12px;
}
@media (max-width: 900px) {
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
    .footer-top {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}


/* Responsive Tweaks */
@media (max-width: 1024px) {
    .flex-container {
        flex-direction: column;
        text-align: center;
    }
    .flex-container.reverse {
        flex-direction: column;
    }
    .principles h2, .metodo-hokage h1, .gamification h2, .faq h2 {
        font-size: 40px;
    }
}

/* Method Validation */
.method-validation {
    background-color: var(--bg-dark);
    padding: 100px 0;
    overflow: hidden;
}

.method-title {
    font-size: 55px;
    line-height: 1.15;
    margin-bottom: 60px;
    font-weight: 300;
}

.testimonials-swiper {
    padding: 20px 0 40px;
    overflow: hidden;
    width: 100%;
}

.testimonials-swiper .swiper-wrapper {
    align-items: stretch;
}

.testimonials-swiper .swiper-slide {
    width: auto;
    max-width: 380px;
}

.testimonials-swiper img {
    width: 100%;
    max-width: 380px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    display: block;
}

/* Target Audience */
.target-audience {
    background-color: #0A0D12;
    padding: 120px 0;
    position: relative;
    background-image: linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 12.5% 100%; /* Vertical grid lines */
}

.target-title {
    font-size: 55px;
    line-height: 1.1;
    margin-bottom: 90px;
    font-weight: 500;
}

.target-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    max-width: 1300px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.target-card {
    position: relative;
    width: 380px;
    display: flex;
    align-items: center;
    padding-left: 18px;
}

.checkmark-circle {
    position: absolute;
    left: 0;
    z-index: 3;
    width: 38px;
    height: 38px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.checkmark-circle svg {
    width: 18px;
    height: 18px;
    fill: #FFF;
}

.target-card-inner {
    background-color: #14171C;
    border-radius: 8px;
    padding: 30px 40px;
    width: 100%;
    min-height: 140px;
    display: flex;
    align-items: center;
    border: 1px solid rgba(255,255,255,0.05);
    transition: transform 0.3s ease;
}

.target-card:hover .target-card-inner {
    border-color: rgba(45, 217, 133, 0.3);
}

.target-card-inner p {
    font-size: 15.5px;
    line-height: 1.6;
    margin: 0;
    color: #E2E8F0;
    font-weight: 400;
}

@media (max-width: 1024px) {
    .target-card {
        width: 100%;
        max-width: 500px;
    }
    .target-title {
        font-size: 40px;
    }
}

/* Previews Carousels */
.previews {
    background-color: #0A0D12;
    padding: 80px 0;
}

.preview-row {
    margin-bottom: 40px;
}

.preview-row:last-child {
    margin-bottom: 0;
}

.previews .swiper-slide {
    width: auto;
}

.previews .swiper-slide img {
    max-width: 320px;
    border-radius: 12px;
    display: block;
}

.title-slide {
    width: 280px !important;
    height: 180px;
    background-color: #0F1216;
    border-left: 5px solid var(--primary-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-right: 15px;
}

.title-content {
    display: flex;
    flex-direction: column;
}

.title-content span {
    font-size: 18px;
    color: #FFF;
    font-weight: 300;
}

.title-content strong {
    font-size: 26px;
    color: #FFF;
    font-weight: 600;
}

@media (max-width: 768px) {
    .previews .swiper-slide img {
        max-width: 240px;
    }
    .title-slide {
        width: 200px !important;
        height: 140px;
    }
}

.preview-item h3 {
    font-size: 40px;
    margin-bottom: 30px;
}

.swiper-slide img {
    border-radius: 10px;
    width: 100%;
}

/* WhatsApp Button */
.fixed-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.fixed-whatsapp a {
    background-color: #11B363;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    transition: 0.3s;
}

.fixed-whatsapp a:hover {
    transform: scale(1.1);
}

.fixed-whatsapp svg {
    width: 40px;
    fill: #FFF;
}

/* Responsive */
@media (max-width: 1024px) {
    .container {
        max-width: 900px;
    }
    .hero h1 { font-size: 50px; }
}

@media (max-width: 767px) {
    section { padding: 40px 0; }
    .hero {
        min-height: 600px;
        padding-bottom: 80px;
        background-image: linear-gradient(#0000005E, #0000005E), url('../assets/images/PC-10.jpg');
    }
    .hero h1 { font-size: 32px; }
    .hero p { font-size: 16px; }
    .btn { padding: 15px 40px; font-size: 16px; }
}