/* Reset e Variáveis */
:root {
    --azul-petroleo: #1a4d5e;
    --azul-petroleo-dark: #0f2e38;
    --azul-petroleo-light: #2a6b7f;
    --dourado: #d4af37;
    --dourado-dark: #b8941f;
    --dourado-light: #e8c866;
    --branco: #ffffff;
    --cinza-claro: #f5f5f5;
    --cinza-medio: #e0e0e0;
    --cinza-escuro: #333333;
    --texto-escuro: #1a1a1a;
    --texto-medio: #666666;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--texto-escuro);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Header */
.header {
    background: var(--branco);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--azul-petroleo) 0%, var(--dourado) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav a {
    text-decoration: none;
    color: var(--texto-escuro);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav a:hover {
    color: var(--azul-petroleo);
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--dourado);
    transition: var(--transition);
}

.nav a:hover::after {
    width: 100%;
}

.btn-cta-header {
    background: linear-gradient(135deg, var(--azul-petroleo) 0%, var(--azul-petroleo-light) 100%);
    color: var(--branco) !important;
    padding: 0.6rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
}

.btn-cta-header::after {
    display: none;
}

.btn-cta-header:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(26, 77, 94, 0.3);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--azul-petroleo-dark) 0%, var(--azul-petroleo) 50%, var(--azul-petroleo-light) 100%);
    color: var(--branco);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-cta {
    margin-top: 2rem;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: #25D366;
    color: var(--branco);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    background: #20ba5a;
}

.btn-whatsapp svg {
    width: 24px;
    height: 24px;
}

.btn-large {
    padding: 1.2rem 2.5rem;
    font-size: 1.2rem;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed rgba(255, 255, 255, 0.3);
    color: var(--branco);
    font-size: 1.2rem;
    backdrop-filter: blur(10px);
}

/* Value Proposition */
.value-proposition {
    padding: 6rem 0;
    background: var(--branco);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--azul-petroleo);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--texto-medio);
    max-width: 600px;
    margin: 0 auto;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.value-card {
    background: var(--cinza-claro);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.value-card:hover {
    transform: translateY(-5px);
    border-color: var(--dourado);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.value-card h3 {
    font-size: 1.5rem;
    color: var(--azul-petroleo);
    margin-bottom: 1rem;
    font-weight: 600;
}

.value-card p {
    color: var(--texto-medio);
    line-height: 1.7;
}

/* Features */
.features {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--branco) 0%, var(--cinza-claro) 100%);
}

.features-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.feature-item {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    background: var(--branco);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.feature-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--azul-petroleo) 0%, var(--dourado) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-width: 80px;
}

.feature-text h3 {
    font-size: 1.5rem;
    color: var(--azul-petroleo);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.feature-text p {
    color: var(--texto-medio);
    line-height: 1.7;
}

/* Platform */
.platform {
    padding: 6rem 0;
    background: var(--branco);
}

.platform-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.platform-image .image-placeholder {
    height: 300px;
    background: linear-gradient(135deg, var(--azul-petroleo-light) 0%, var(--azul-petroleo) 100%);
    color: var(--branco);
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.platform-image:hover .image-placeholder {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

/* CTA Final */
.cta-final {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--azul-petroleo-dark) 0%, var(--azul-petroleo) 100%);
    color: var(--branco);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    background: var(--azul-petroleo-dark);
    color: var(--branco);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--branco) 0%, var(--dourado) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    opacity: 0.8;
}

.footer-column h4 {
    margin-bottom: 1rem;
    color: var(--dourado);
}

.footer-column a {
    display: block;
    color: var(--branco);
    text-decoration: none;
    margin-bottom: 0.5rem;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-column a:hover {
    opacity: 1;
    color: var(--dourado);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .nav {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .value-grid {
        grid-template-columns: 1fr;
    }

    .feature-item {
        flex-direction: column;
        text-align: center;
    }

    .feature-number {
        margin: 0 auto;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 4rem 0;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .nav {
        flex-direction: column;
        gap: 0.5rem;
    }

    .btn-whatsapp {
        padding: 0.9rem 1.5rem;
        font-size: 1rem;
    }

    .cta-content h2 {
        font-size: 2rem;
    }
}