:root {
    --sengo-primary: #004D26;
    --sengo-secondary: #53A318;
    --sengo-accent: #7BC043;
    --sengo-light: #F0F7EC;
    --sengo-dark: #002E17;
    --sengo-white: #FFFFFF;
    --sengo-gray: #6C757D;
    --sengo-gray-light: #F8F9FA;
    --sengo-text: #212529;
    --sengo-border: #DEE2E6;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--sengo-text);
    background: var(--sengo-white);
    line-height: 1.7;
    margin: 0;
    padding: 0;
}

a {
    color: var(--sengo-primary);
    text-decoration: none;
    transition: color 0.3s;
}

    a:hover {
        color: var(--sengo-secondary);
    }

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

/* ===== NAVBAR ===== */
.navbar-sengo {
    background: var(--sengo-white) !important;
    border-bottom: 3px solid var(--sengo-primary);
    padding: 0.5rem 0;
    box-shadow: 0 2px 15px rgba(0,0,0,0.06);
    z-index: 1030;
}

    .navbar-sengo .navbar-brand {
        font-weight: 700;
        color: var(--sengo-primary) !important;
        font-size: 1.5rem;
        letter-spacing: -0.5px;
    }

        .navbar-sengo .navbar-brand span {
            color: var(--sengo-secondary);
        }

    .navbar-sengo .nav-link {
        color: var(--sengo-primary) !important;
        font-weight: 500;
        padding: 8px 16px !important;
        margin: 0 2px;
        border-radius: 8px;
        transition: all 0.3s ease;
        font-size: 0.95rem;
    }

        .navbar-sengo .nav-link:hover {
            color: var(--sengo-white) !important;
            background: var(--sengo-primary);
        }

.btn-sengo-nav {
    display: inline-block;
    background: var(--sengo-secondary);
    color: var(--sengo-white) !important;
    padding: 8px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s;
    text-decoration: none;
    border: none;
}

    .btn-sengo-nav:hover {
        background: var(--sengo-accent);
        color: var(--sengo-white) !important;
        transform: translateY(-1px);
    }

.navbar-toggler {
    border: 1px solid var(--sengo-primary);
    padding: 4px 8px;
}

    .navbar-toggler:focus {
        box-shadow: 0 0 0 3px rgba(0,77,38,0.2);
    }

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23004D26' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* ===== HERO ===== */
.hero-section {
    background: linear-gradient(135deg, var(--sengo-primary) 0%, var(--sengo-dark) 100%);
    color: var(--sengo-white);
    padding: 100px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

    .hero-section::before {
        content: '';
        position: absolute;
        top: -40%;
        right: -15%;
        width: 500px;
        height: 500px;
        background: rgba(123,192,67,0.06);
        border-radius: 50%;
        pointer-events: none;
    }

    .hero-section::after {
        content: '';
        position: absolute;
        bottom: -30%;
        left: -10%;
        width: 400px;
        height: 400px;
        background: rgba(123,192,67,0.04);
        border-radius: 50%;
        pointer-events: none;
    }

    .hero-section h1 {
        font-size: 2.8rem;
        font-weight: 700;
        margin-bottom: 1.2rem;
        position: relative;
        z-index: 1;
    }

    .hero-section p {
        font-size: 1.15rem;
        opacity: 0.9;
        max-width: 650px;
        margin: 0 auto 2rem;
        position: relative;
        z-index: 1;
    }

/* ===== BUTTONS ===== */
.btn-sengo {
    background: var(--sengo-secondary);
    color: var(--sengo-white) !important;
    border: none;
    padding: 12px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: inline-block;
    cursor: pointer;
    text-decoration: none;
}

    .btn-sengo:hover {
        background: var(--sengo-accent);
        color: var(--sengo-white) !important;
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(83,163,24,0.3);
    }

.btn-sengo-outline {
    background: transparent;
    color: var(--sengo-white) !important;
    border: 2px solid var(--sengo-white);
    padding: 10px 30px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    text-decoration: none;
}

    .btn-sengo-outline:hover {
        background: var(--sengo-white);
        color: var(--sengo-primary) !important;
    }

/* ===== SECTIONS ===== */
.section {
    padding: 80px 0;
}

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

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

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--sengo-primary);
    margin-bottom: 0.5rem;
    text-align: center;
}

.section-subtitle {
    color: var(--sengo-gray);
    text-align: center;
    margin-bottom: 3rem;
    font-size: 1.05rem;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: var(--sengo-secondary);
    margin: 1rem auto 2.5rem;
    border-radius: 2px;
}

/* ===== CARDS ===== */
.sengo-card {
    background: var(--sengo-white);
    border: 1px solid var(--sengo-border);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    height: 100%;
    transition: all 0.3s ease;
    text-align: center;
}

    .sengo-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 12px 35px rgba(0,77,38,0.1);
        border-color: var(--sengo-accent);
    }

    .sengo-card .card-icon {
        width: 64px;
        height: 64px;
        background: var(--sengo-light);
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 1.2rem;
        font-size: 1.8rem;
        color: var(--sengo-primary);
    }

    .sengo-card h5 {
        color: var(--sengo-primary);
        font-weight: 600;
        margin-bottom: 0.8rem;
    }

    .sengo-card p {
        color: var(--sengo-gray);
        font-size: 0.95rem;
        margin-bottom: 0;
    }

/* ===== VALUES ===== */
.value-badge {
    display: inline-block;
    background: var(--sengo-light);
    color: var(--sengo-primary);
    padding: 8px 22px;
    border-radius: 50px;
    margin: 5px;
    font-weight: 500;
    font-size: 0.9rem;
    border: 1px solid rgba(0,77,38,0.1);
    transition: all 0.3s;
}

    .value-badge:hover {
        background: var(--sengo-primary);
        color: var(--sengo-white);
    }

/* ===== FORMS ===== */
.sengo-form .form-control,
.sengo-form .form-select {
    border-radius: 8px;
    border: 1.5px solid var(--sengo-border);
    padding: 12px 16px;
    font-size: 0.95rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

    .sengo-form .form-control:focus,
    .sengo-form .form-select:focus {
        border-color: var(--sengo-secondary);
        box-shadow: 0 0 0 3px rgba(83,163,24,0.15);
    }

.sengo-form .form-label {
    font-weight: 600;
    color: var(--sengo-primary);
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
}

.form-card {
    background: var(--sengo-white);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 4px 25px rgba(0,0,0,0.07);
    border: 1px solid rgba(0,0,0,0.04);
}

/* ===== FOOTER ===== */
.footer-sengo {
    background: var(--sengo-dark);
    color: rgba(255,255,255,0.85);
    padding: 60px 0 0;
}

.footer-block {
    padding: 0 10px;
}

.footer-sengo h5 {
    color: var(--sengo-white);
    font-weight: 600;
    margin-bottom: 1.2rem;
    font-size: 1.1rem;
}

.footer-slogan {
    font-style: italic;
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

.footer-sengo a {
    color: rgba(255,255,255,0.7);
    transition: all 0.3s;
    text-decoration: none;
}

    .footer-sengo a:hover {
        color: var(--sengo-accent);
        padding-left: 4px;
    }

.footer-sengo ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

    .footer-sengo ul li {
        margin-bottom: 10px;
    }

.footer-contact p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.footer-contact i {
    color: var(--sengo-accent);
    min-width: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 1.2rem 0;
    margin-top: 3rem;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}

/* ===== ABOUT ===== */
.about-block {
    margin-bottom: 2.5rem;
}

    .about-block h3 {
        color: var(--sengo-primary);
        font-weight: 600;
        margin-bottom: 1rem;
        font-size: 1.4rem;
    }

    .about-block p {
        color: var(--sengo-text);
        line-height: 1.9;
    }

/* ===== CTA ===== */
.cta-section {
    background: linear-gradient(135deg, var(--sengo-primary), var(--sengo-dark));
    color: var(--sengo-white);
    text-align: center;
    padding: 80px 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 991px) {
    .navbar-sengo .navbar-collapse {
        background: var(--sengo-white);
        padding: 1rem;
        margin-top: 0.5rem;
        border-radius: 12px;
        box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    }

    .navbar-sengo .nav-link {
        padding: 10px 16px !important;
        margin: 2px 0;
    }

    .btn-sengo-nav {
        display: block;
        text-align: center;
        margin-top: 8px;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0 50px;
    }

        .hero-section h1 {
            font-size: 1.8rem;
        }

        .hero-section p {
            font-size: 1rem;
        }

    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .form-card {
        padding: 1.5rem;
    }

    .footer-sengo {
        padding: 40px 0 0;
    }

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

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 1.5rem;
    }

    .hero-section {
        padding: 45px 0 40px;
    }

    .section {
        padding: 40px 0;
    }

    .form-card {
        padding: 1.2rem;
        margin: 0 -5px;
    }
}