/* ===== VARIABLES ===== */
:root {
    --green-dark:  #1b4332;
    --green-mid:   #2d6a4f;
    --green-light: #52b788;
    --green-pale:  #d8f3dc;
    --accent:      #f9c74f;
    --white:       #ffffff;
    --gray-50:     #f8f9fa;
    --gray-100:    #f1f3f5;
    --gray-200:    #e9ecef;
    --gray-400:    #ced4da;
    --gray-600:    #6c757d;
    --gray-800:    #343a40;
    --text:        #212529;

    --shadow-sm: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,.08);
    --shadow-lg: 0 12px 30px rgba(0,0,0,.12);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --transition: 0.25s ease;
}

/* ===== RESET ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', Arial, sans-serif;
    font-size: 1rem;
    color: var(--text);
    background-color: var(--gray-50);
    line-height: 1.6;
}

/* ===== NAVBAR ===== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(27, 67, 50, 0.97);
    backdrop-filter: blur(12px);
    padding: 1rem 2rem;
    box-shadow: 0 2px 12px rgba(0,0,0,.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    font-family: 'Poppins', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: rgba(255,255,255,.8);
    text-decoration: none;
    font-size: .9rem;
    font-weight: 500;
    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--accent);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 92vh;
    background-image: url('../images/fondoimg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(27, 67, 50, 0.92) 0%,
        rgba(45, 106, 79, 0.78) 55%,
        rgba(82, 183, 136, 0.45) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.hero-content {
    max-width: 680px;
    text-align: center;
    color: var(--white);
}

.hero-badge {
    display: inline-block;
    background: var(--accent);
    color: var(--green-dark);
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: .75rem;
    padding: .3rem 1rem;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: .1em;
    margin-bottom: 1.5rem;
}

.hero-content h1 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
}

.hero-content p {
    font-size: 1.1rem;
    opacity: .88;
    max-width: 530px;
    margin: 0 auto 2rem;
    line-height: 1.75;
}

.hero-pills {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: .65rem;
    margin-bottom: 2.5rem;
}

.pill {
    background: rgba(255,255,255,.15);
    border: 1px solid rgba(255,255,255,.25);
    backdrop-filter: blur(8px);
    color: var(--white);
    font-size: .85rem;
    font-weight: 500;
    padding: .4rem 1rem;
    border-radius: 50px;
}

.hero-btn {
    display: inline-block;
    background: var(--accent);
    color: var(--green-dark);
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    padding: .9rem 2.75rem;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(249,199,79,.4);
    transition: transform var(--transition), box-shadow var(--transition);
}

.hero-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(249,199,79,.55);
}

/* ===== PRODUCTS SECTION ===== */
.products-section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-tag {
    display: block;
    color: var(--green-mid);
    font-weight: 600;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .14em;
    margin-bottom: .6rem;
}

.section-header h2 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.9rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--green-dark);
    letter-spacing: -0.03em;
    margin-bottom: .9rem;
}

.section-header p {
    color: var(--gray-600);
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0 auto;
}

/* ===== CARDS ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.75rem;
}

.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.card-img-wrapper {
    background: var(--green-pale);
    height: 210px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .45s ease;
}

.card:hover .card-img-wrapper img {
    transform: scale(1.06);
}

.card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-tag {
    display: inline-block;
    background: var(--green-pale);
    color: var(--green-mid);
    font-size: .72rem;
    font-weight: 600;
    padding: .2rem .75rem;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: .75rem;
    align-self: flex-start;
}

.card-body h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--green-dark);
    letter-spacing: -0.02em;
    margin-bottom: .5rem;
}

.card-body > p {
    color: var(--gray-600);
    font-size: .9rem;
    line-height: 1.65;
    margin-bottom: 1.25rem;
    flex: 1;
}

.card-stores {
    border-top: 1px solid var(--gray-200);
    padding-top: 1rem;
}

.card-stores h4 {
    font-size: .73rem;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: .09em;
    margin-bottom: .55rem;
}

.card-stores ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
}

.card-stores li {
    background: var(--gray-100);
    color: var(--gray-800);
    font-size: .78rem;
    font-weight: 500;
    padding: .22rem .65rem;
    border-radius: var(--radius-sm);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--green-dark);
    padding: 3.5rem 2rem;
    text-align: center;
}

.footer-inner {
    max-width: 600px;
    margin: 0 auto;
}

.footer-logo {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: .5rem;
}

.footer-brand p {
    color: rgba(255,255,255,.6);
    font-size: .9rem;
    margin-bottom: 0;
}

.footer-copy {
    color: rgba(255,255,255,.35);
    font-size: .8rem;
    border-top: 1px solid rgba(255,255,255,.1);
    margin-top: 2rem;
    padding-top: 1.5rem;
}

/* ===== HAMBURGER ===== */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    flex-shrink: 0;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle.is-open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.nav-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: rgba(27, 67, 50, 0.98);
        box-shadow: 0 8px 24px rgba(0,0,0,.25);
        padding: .5rem 0;
    }

    .nav-links.nav-open {
        display: flex;
    }

    .nav-links li {
        border-top: 1px solid rgba(255,255,255,.08);
    }

    .nav-links a {
        display: block;
        padding: .9rem 2rem;
        font-size: 1rem;
    }

    .navbar {
        position: sticky;
    }

    .nav-container {
        position: relative;
    }

    .hero {
        background-attachment: scroll;
    }

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

    .products-section {
        padding: 4rem 1.25rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

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