:root {
    --blue-dark: #071a33;
    --blue: #0d47a1;
    --blue-light: #1976d2;
    --blue-soft: #eaf2ff;
    --white: #ffffff;
    --text: #27364b;
    --gray: #6c7a89;
    --light: #f6f8fc;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background: #fff;
}


/* NAVBAR */

.navbar {
    background: rgba(7, 26, 51, 0.96);
    padding: 15px 0;
}

.navbar-brand {
    font-size: 1.3rem;
}

.nav-link {
    color: #fff !important;
    margin-left: 12px;
}

.nav-link:hover {
    color: #90caf9 !important;
}

.btn-whatsapp {
    background: #25d366;
    color: white;
    border: none;
}

.btn-whatsapp:hover {
    background: #1ebe5d;
    color: white;
}


/* HERO */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background:
        linear-gradient(120deg,
            #071a33 0%,
            #0b2d57 60%,
            #0d47a1 100%);
    color: white;
    padding: 130px 0 80px;
}

.badge-hero {
    display: inline-block;
    padding: 8px 14px;
    border: 1px solid rgba(255,255,255,.4);
    border-radius: 30px;
    font-size: .8rem;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4.7rem);
    font-weight: 800;
    line-height: 1.05;
}

.hero h1 span,
.section-title span,
section h2 span {
    color: #64b5f6;
}

.hero-text {
    font-size: 1.15rem;
    line-height: 1.8;
    max-width: 680px;
    color: #dce8f7;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.btn-primary {
    background: var(--blue-light);
    border: none;
    padding: 12px 25px;
}

.btn-primary:hover {
    background: #0d5dc7;
}

.hero-info {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.hero-info div {
    display: flex;
    flex-direction: column;
}

.hero-info strong {
    font-size: 1.4rem;
}

.hero-info span {
    font-size: .85rem;
    color: #c5d5e8;
}


/* HERO CARD */

.hero-card {
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.2);
    backdrop-filter: blur(12px);
    border-radius: 25px;
    padding: 45px;
}

.math-symbol {
    font-size: 5rem;
    font-weight: bold;
    margin-bottom: 10px;
    color: #64b5f6;
}

.hero-card h3 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.hero-card p {
    color: #dce8f7;
    line-height: 1.7;
}


/* SEÇÕES */

.section-padding {
    padding: 100px 0;
}

.section-label {
    color: var(--blue-light);
    font-weight: bold;
    letter-spacing: 2px;
    font-size: .85rem;
}

section h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    margin: 15px 0 25px;
}


/* SOBRE */

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    border-radius: 25px;
}

.experience-card {
    position: absolute;
    bottom: 25px;
    left: 25px;
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0,0,0,.15);
    display: flex;
    flex-direction: column;
}

.experience-card strong {
    color: var(--blue);
}

.experience-card span {
    font-size: .85rem;
    color: var(--gray);
}

.about-list {
    margin-top: 25px;
}

.about-list div {
    margin-bottom: 15px;
    font-weight: 600;
}

.about-list i {
    color: var(--blue-light);
    margin-right: 10px;
}


/* SERVIÇOS */

.services-section {
    background: var(--light);
}

.section-title p {
    color: var(--gray);
}

.service-card {
    height: 100%;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 35px rgba(0,0,0,.08);
    transition: .3s;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0,0,0,.13);
}

.service-image {
    position: relative;
}

.service-image img {
    width: 100%;
    height: 260px;
    object-fit: cover;
}

.service-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--blue-dark);
    color: white;
    padding: 8px 13px;
    border-radius: 20px;
    font-size: .75rem;
    font-weight: bold;
}

.service-content {
    padding: 35px;
}

.service-icon {
    width: 55px;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--blue-soft);
    color: var(--blue);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.service-content h3 {
    font-size: 1.8rem;
    font-weight: bold;
}

.service-content p {
    color: var(--gray);
    line-height: 1.7;
}

.service-content ul {
    list-style: none;
    padding: 0;
    margin: 25px 0;
}

.service-content li {
    margin-bottom: 12px;
}

.service-content li i {
    color: var(--blue-light);
    margin-right: 8px;
}


/* BENEFÍCIOS */

.benefits-section {
    background: white;
}

.benefit {
    padding: 25px;
}

.benefit i {
    font-size: 2.8rem;
    color: var(--blue-light);
}

.benefit h4 {
    margin: 20px 0 10px;
    font-weight: bold;
}

.benefit p {
    color: var(--gray);
    line-height: 1.7;
}


/* CTA */

.cta-section {
    padding: 90px 0;
    background: var(--blue-dark);
    color: white;
}

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

.cta-box span {
    color: #64b5f6;
    font-weight: bold;
    letter-spacing: 2px;
    font-size: .8rem;
}

.cta-box h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
}

.cta-box p {
    color: #dce8f7;
    margin-bottom: 30px;
}


/* CONTATO */

.contact-section {
    background: var(--light);
}

.contact-info {
    margin-top: 30px;
}

.contact-info > div {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-info i {
    width: 50px;
    height: 50px;
    background: var(--blue-soft);
    color: var(--blue);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.3rem;
}

.contact-info div div {
    display: flex;
    flex-direction: column;
}

.contact-info span {
    color: var(--gray);
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 35px rgba(0,0,0,.07);
}

.contact-form label {
    display: block;
    font-weight: bold;
    margin-bottom: 7px;
}

.form-control,
.form-select {
    padding: 13px;
    border-radius: 10px;
    border: 1px solid #dce2ea;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--blue-light);
    box-shadow: 0 0 0 3px rgba(25,118,210,.1);
}


/* FOOTER */

footer {
    background: #041225;
    color: white;
    padding: 45px 0 25px;
}

footer p {
    color: #9db0c7;
}

footer a {
    color: white;
    text-decoration: none;
    margin-left: 15px;
}

footer a:hover {
    color: #64b5f6;
}

footer hr {
    border-color: rgba(255,255,255,.1);
    margin: 30px 0 20px;
}


/* WHATSAPP */

.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    right: 25px;
    bottom: 25px;
    background: #25d366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    text-decoration: none;
    box-shadow: 0 8px 25px rgba(0,0,0,.25);
    z-index: 999;
    transition: .3s;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    color: white;
}


/* RESPONSIVIDADE */

@media (max-width: 991px) {

    .navbar-collapse {
        background: var(--blue-dark);
        padding: 20px;
        margin-top: 15px;
        border-radius: 10px;
    }

    .hero {
        text-align: center;
    }

    .hero-text {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-info {
        justify-content: center;
    }

}

@media (max-width: 576px) {

    .section-padding {
        padding: 70px 0;
    }

    .hero {
        padding-top: 120px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-card {
        padding: 30px;
    }

    .about-image img {
        height: 350px;
    }

    .contact-form {
        padding: 25px;
    }

    .whatsapp-float {
        width: 55px;
        height: 55px;
        right: 18px;
        bottom: 18px;
    }

}