/* =========================
   Variables generales
========================= */

:root {

    /* Paleta corporativa Inti Mining */

    --color-primary: #20292E;
    --color-primary-dark: #141B1F;
    --color-primary-light: #4C5459;

    --color-accent: #F3BE10;
    --color-accent-light: #FFD44F;

    --color-text: #20292E;
    --color-text-light: #686868;

    --color-background: #FFFFFF;
    --color-background-light: #F6F6F6;

    --color-border: #E7E7E7;

    --color-white: #FFFFFF;
    --color-black: #111111;

    --font-main: Arial, Helvetica, sans-serif;

    --container-width: 1180px;
    --border-radius: 14px;
    --transition: 0.25s ease;
}


/* =========================
   Reinicio básico
========================= */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
}

body.menu-open {
    overflow: hidden;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea {
    font: inherit;
}

button {
    border: none;
}

.container {
    width: min(100% - 40px, var(--container-width));
    margin-inline: auto;
}


/* =========================
   Encabezado
========================= */

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(12px);
}

.header__content {
    min-height: 92px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.brand__text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand__text strong {
    font-size: 17px;
    color: var(--color-primary);
}

.brand__text small {
    margin-top: 4px;
    color: var(--color-text-light);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.7px;
}

.navigation {
    display: flex;
    align-items: center;
    gap: 25px;
}

.navigation > a:not(.button) {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    transition: color var(--transition);
}

.navigation > a:not(.button):hover {
    color: var(--color-primary-light);
}

.menu-button {
    display: none;
    width: 42px;
    height: 42px;
    background: transparent;
    cursor: pointer;
}

.menu-button span {
    display: block;
    width: 25px;
    height: 2px;
    margin: 5px auto;
    background-color: var(--color-primary);
    transition: var(--transition);
}

.brand {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.brand__logo {
    display: block;
    height: 52px;
    width: auto;
    max-width: none;
    object-fit: contain;
}


/* =========================
   Botones
========================= */

.button {
    min-height: 48px;
    padding: 12px 22px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition:
        background-color var(--transition),
        color var(--transition),
        transform var(--transition),
        border-color var(--transition);
}

.button:hover {
    transform: translateY(-2px);
}

.button--small {
    min-height: 40px;
    padding: 9px 16px;
    font-size: 13px;
}

.button--primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.button--primary:hover {
    background-color: var(--color-primary-dark);
}

.button--secondary {
    border: 1px solid var(--color-border);
    background-color: var(--color-white);
    color: var(--color-primary);
}

.button--secondary:hover {
    border-color: var(--color-primary);
}

.button--outline {
    border: 1px solid var(--color-accent);
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
}

.button--outline:hover {
    background-color: var(--color-accent-light);
    color: var(--color-primary-dark);
}

.button--light {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.button--light:hover {
    background-color: var(--color-accent-light);
}

.button--full {
    width: 100%;
}


/* =========================
   Hero
========================= */

.hero {
    position: relative;
    min-height: calc(100vh - 92px);
    display: flex;
    align-items: center;
    overflow: hidden;
    background-color: var(--color-primary-dark);
}

.hero__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(
            90deg,
            rgba(20, 27, 31, 0.88) 0%,
            rgba(20, 27, 31, 0.62) 48%,
            rgba(20, 27, 31, 0.20) 100%
        );
}

.hero__content {
    position: relative;
    z-index: 2;
    display: block;
    padding-block: 110px;
}

.hero__information {
    max-width: 760px;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 20px;
    color: var(--color-accent);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero h1 {
    max-width: 760px;
    color: var(--color-white);
    font-size: clamp(48px, 6vw, 78px);
    line-height: 1.02;
    letter-spacing: -2.5px;
}

.hero__information > p {
    max-width: 620px;
    margin-top: 24px;
    color: rgba(255, 255, 255, 0.80);
    font-size: 19px;
    line-height: 1.7;
}

.hero__actions {
    margin-top: 34px;
}

.hero .button--primary {
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
}

.hero .button--primary:hover {
    background-color: var(--color-accent-light);
}

/* =========================
   Tarjeta ruta comercial
========================= */

.hero__visual {
    display: flex;
    justify-content: center;
}

.trade-card {
    width: 100%;
    max-width: 460px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 24px;
    color: var(--color-white);
    background:
        linear-gradient(
            145deg,
            var(--color-primary-light),
            var(--color-primary-dark)
        );
    box-shadow: 0 30px 80px rgba(15, 45, 38, 0.22);
}

.trade-card__label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-accent-light);
}

.trade-route {
    min-height: 260px;
    display: grid;
    grid-template-columns: 1fr 80px 1fr;
    align-items: center;
    text-align: center;
}

.trade-route__country {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.trade-route__country strong {
    margin-top: 14px;
    font-size: 17px;
}

.trade-route__country small {
    margin-top: 4px;
    color: rgba(255, 255, 255, 0.7);
}

.trade-route__line {
    position: relative;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.35);
}

.trade-route__line span {
    position: absolute;
    top: 50%;
    right: -5px;
    transform: translateY(-50%);
    font-size: 24px;
    color: var(--color-accent);
}

.flag {
    width: 70px;
    height: 46px;
    border-radius: 7px;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.22);
}

.flag--colombia {
    background:
        linear-gradient(
            to bottom,
            #fcd116 0%,
            #fcd116 50%,
            #003893 50%,
            #003893 75%,
            #ce1126 75%,
            #ce1126 100%
        );
}

.flag--usa {
    background:
        linear-gradient(
            to bottom,
            #b22234 0%,
            #b22234 14%,
            #ffffff 14%,
            #ffffff 28%,
            #b22234 28%,
            #b22234 42%,
            #ffffff 42%,
            #ffffff 56%,
            #b22234 56%,
            #b22234 70%,
            #ffffff 70%,
            #ffffff 84%,
            #b22234 84%,
            #b22234 100%
        );
    position: relative;
}

.flag--usa::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 31px;
    height: 25px;
    border-radius: 7px 0 0 0;
    background-color: #3c3b6e;
}

.trade-card__footer {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    justify-content: space-between;
    gap: 12px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 12px;
}


/* =========================
   Secciones generales
========================= */

.section {
    padding-block: 105px;
}

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

.section--dark {
    color: var(--color-white);
    background-color: var(--color-primary-dark);
}

.section-tag {
    display: inline-block;
    margin-bottom: 16px;
    color: var(--color-primary-light);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.7px;
}

.section-tag--light {
    color: var(--color-accent-light);
}

.section h2 {
    color: var(--color-primary-dark);
    font-size: clamp(32px, 4vw, 48px);
    line-height: 1.15;
    letter-spacing: -1.4px;
}

.section--dark h2 {
    color: var(--color-white);
}

.section-heading {
    max-width: 720px;
    margin-bottom: 55px;
}

.section-heading p {
    margin-top: 18px;
    color: var(--color-text-light);
    font-size: 17px;
}

.split-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 90px;
}

.section-copy p {
    margin-bottom: 20px;
    color: var(--color-text-light);
    font-size: 17px;
}


/* =========================
   Nosotros
========================= */

.about-section {
    background-color: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 70px;
    align-items: stretch;
}

/* Columna izquierda */

.about-left {
    padding-right: 50px;
}

.about-accent-line {
    width: 60px;
    height: 3px;
    margin: 8px 0 42px;
    background-color: var(--color-accent);
}

.about-left h2 {
    max-width: 620px;
    color: var(--color-primary-dark);
    font-size: clamp(42px, 4.5vw, 62px);
    line-height: 1.14;
    letter-spacing: -2px;
}

.about-intro {
    max-width: 610px;
    margin-top: 42px;
    color: var(--color-text);
    font-size: 18px;
    line-height: 1.75;
}

/* Columna derecha */

.about-right {
    padding-left: 65px;
    border-left: 1px solid var(--color-border);
}

.about-description {
    max-width: 650px;
}

.about-description p {
    margin-bottom: 40px;
    color: var(--color-text);
    font-size: 18px;
    line-height: 1.8;
}

.about-description p:last-child {
    margin-bottom: 0;
}

/* Beneficios */

.about-features {
    margin-top: 55px;
    padding-top: 38px;

    border-top: 1px solid var(--color-border);

    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.about-feature {
    padding: 0 24px;
    text-align: center;
    border-right: 1px solid var(--color-border);
}

.about-feature:first-child {
    padding-left: 0;
}

.about-feature:last-child {
    padding-right: 0;
    border-right: none;
}

.about-feature__icon {
    margin-bottom: 20px;

    color: var(--color-accent);

    font-size: 46px;
    line-height: 1;
    font-weight: 300;
}

.about-feature h3 {
    margin-bottom: 12px;

    color: var(--color-primary-dark);

    font-size: 17px;
    font-weight: 700;
}

.about-feature p {
    color: var(--color-text-light);

    font-size: 14px;
    line-height: 1.65;
}

/* =========================
   Productos
========================= */

.section-heading--center {
    max-width: 760px;
    margin-inline: auto;
    margin-bottom: 55px;
    text-align: center;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card {
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: 18px;
    background-color: var(--color-white);
    transition:
        transform var(--transition),
        box-shadow var(--transition);
}

.product-card:hover {
    transform: translateY(-7px);
    box-shadow: 0 20px 45px rgba(15, 45, 38, 0.12);
}

.product-card__image {
    width: 100%;
    height: 245px;
    overflow: hidden;
    background-color: #e8edeb;
}

.product-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.product-card:hover .product-card__image img {
    transform: scale(1.05);
}

.product-card__content {
    padding: 26px;
}

.product-card__category {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--color-accent);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-card h3 {
    color: var(--color-primary-dark);
    font-size: 23px;
}

.product-card p {
    min-height: 78px;
    margin-top: 12px;
    color: var(--color-text-light);
    font-size: 15px;
}

.product-card__button {
    width: 100%;
    margin-top: 23px;
}

.products-more {
    margin-top: 45px;
    display: flex;
    justify-content: center;
}


/* =========================
   Proceso / Exporta
========================= */

.process-section {
    background-color: var(--color-white);
}

.process-header {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 90px;
    align-items: end;
    margin-bottom: 85px;
}

.process-header__left h2 {
    max-width: 680px;
    color: var(--color-primary-dark);
    font-size: clamp(42px, 4.5vw, 62px);
    line-height: 1.1;
    letter-spacing: -2px;
}

.process-header__right {
    padding-bottom: 8px;
}

.process-header__right p {
    max-width: 560px;
    color: var(--color-text-light);
    font-size: 17px;
    line-height: 1.8;
}

.process-flow {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    border-top: 1px solid var(--color-border);
}

.process-card {
    position: relative;
    min-height: 360px;
    padding: 48px 28px 34px;
    border-right: 1px solid var(--color-border);
    transition:
        background-color var(--transition),
        transform var(--transition);
}

.process-card:last-child {
    border-right: none;
}

.process-card:hover {
    background-color: var(--color-white);
    transform: translateY(-4px);
}

.process-card__number {
    position: absolute;
    top: -24px;
    left: 28px;

    width: 48px;
    height: 48px;

    display: grid;
    place-items: center;

    border-radius: 50%;
    background-color: var(--color-accent);
    color: var(--color-primary-dark);

    font-size: 12px;
    font-weight: 800;

    transition:
        background-color var(--transition),
        color var(--transition);
}

.process-card:hover .process-card__number {
    background-color: var(--color-primary-dark);
    color: var(--color-accent);
}

.process-card__label {
    display: inline-block;
    margin-bottom: 52px;

    color: var(--color-accent);

    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.process-card h3 {
    max-width: 200px;

    color: var(--color-primary-dark);

    font-size: 21px;
    line-height: 1.3;
}

.process-card p {
    margin-top: 18px;

    color: var(--color-text-light);

    font-size: 14px;
    line-height: 1.7;
}

/* =========================
   Metales
========================= */

.metals-section {
    position: relative;
    min-height: 720px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background-color: #20292E;
}

.metals-section__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.metals-section__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;

    background:
        linear-gradient(
            90deg,
            rgba(20, 27, 31, 0.96) 0%,
            rgba(20, 27, 31, 0.82) 45%,
            rgba(20, 27, 31, 0.45) 100%
        );
}

.metals-section__content {
    position: relative;
    z-index: 2;
    padding-top: 120px;
    padding-bottom: 120px;
}

.metals-section__tag {
    display: inline-block;
    margin-bottom: 22px;

    color: var(--color-accent);

    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.metals-section h2 {
    max-width: 850px;

    color: var(--color-white);

    font-size: clamp(38px, 5vw, 64px);
    line-height: 1.08;
    letter-spacing: -2px;
}

.metals-section__content > p {
    max-width: 760px;

    margin-top: 28px;

    color: rgba(255, 255, 255, 0.78);

    font-size: 18px;
    line-height: 1.8;
}

.metals-section__details {
    max-width: 780px;

    margin-top: 55px;
    padding-top: 30px;

    border-top: 1px solid rgba(255, 255, 255, 0.22);

    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.metals-section__details div {
    display: flex;
    flex-direction: column;
}

.metals-section__details span {
    color: rgba(255, 255, 255, 0.55);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.metals-section__details strong {
    margin-top: 7px;

    color: var(--color-white);

    font-size: 17px;
    font-weight: 600;
}


/* =========================
   Contacto
========================= */

.contact {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
    gap: 90px;
}

.contact__information > p {
    margin-top: 22px;
    color: var(--color-text-light);
    font-size: 17px;
}

.contact-details {
    margin-top: 38px;
    display: grid;
    gap: 22px;
}

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

.contact-details span {
    margin-bottom: 4px;
    color: var(--color-text-light);
    font-size: 13px;
}

.contact-details a,
.contact-details strong {
    color: var(--color-primary);
}

.contact-form {
    padding: 35px;
    border: 1px solid var(--color-border);
    border-radius: 18px;
    background-color: var(--color-background-light);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 7px;
    color: var(--color-primary-dark);
    font-size: 13px;
    font-weight: 700;
}

.form-group input,
.form-group textarea {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 13px 14px;
    color: var(--color-text);
    background-color: var(--color-white);
    outline: none;
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary-light);
}

.form-group textarea {
    resize: vertical;
}

.form-message {
    min-height: 24px;
    margin-top: 14px;
    color: var(--color-primary);
    font-size: 14px;
    text-align: center;
}


/* =========================
   Pie de página
========================= */

.footer {
    padding-block: 45px;
    color: rgba(255, 255, 255, 0.75);
    background-color: var(--color-black);
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 30px;
}

.footer strong {
    color: var(--color-white);
}

.footer p {
    font-size: 13px;
}

.footer__links {
    display: flex;
    gap: 22px;
    font-size: 13px;
}

.footer__links a:hover {
    color: var(--color-white);
}

.footer__copyright {
    grid-column: 1 / -1;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}


/* =========================
   Diseño adaptable
========================= */

@media (max-width: 1000px) {

    .menu-button {
        display: block;
    }

    .product-grid {
    grid-template-columns: repeat(2, 1fr);
}

    .navigation {
        position: fixed;
        top: 78px;
        right: -100%;
        width: min(340px, 100%);
        height: calc(100vh - 78px);
        padding: 35px;
        background-color: var(--color-white);
        box-shadow: -15px 20px 40px rgba(15, 45, 38, 0.12);
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 22px;
        transition: right var(--transition);
    }

    .navigation.is-open {
        right: 0;
    }

    .navigation .button {
        margin-top: 10px;
    }

    .hero__content,
    .split-section,
    .markets,
    .contact {
        grid-template-columns: 1fr;
    }

    .hero__content {
        gap: 55px;
    }

    .hero__visual {
        justify-content: flex-start;
    }

    .split-section,
    .markets,
    .contact {
        gap: 45px;
    }

    .cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
    grid-template-columns: 1fr;
    gap: 55px;
    }

    .about-left {
        padding-right: 0;
    }

    .about-right {
        padding-left: 0;
        border-left: none;
    }

    .about-left h2 {
        max-width: 750px;
    }
}


@media (max-width: 650px) {

    .container {
        width: min(100% - 28px, var(--container-width));
    }

    .brand__text small {
        display: none;
    }

    .hero {
        min-height: auto;
    }

    .hero__content {
        padding-block: 65px;
    }

    .hero h1 {
        font-size: 42px;
        letter-spacing: -1.6px;
    }

    .hero__features {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .trade-card {
        padding: 22px;
    }

    .trade-route {
        min-height: 230px;
        grid-template-columns: 1fr 45px 1fr;
    }

    .flag {
        width: 55px;
        height: 37px;
    }

    .trade-card__footer {
        flex-direction: column;
        text-align: center;
    }

    .section {
        padding-block: 75px;
    }

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

    .service-card {
        min-height: auto;
    }

    .service-card h3 {
        margin-top: 42px;
    }

    .process-step {
        grid-template-columns: 55px 1fr;
        gap: 18px;
    }

    .process-step__number {
        width: 44px;
        height: 44px;
    }

    .market-item {
        flex-direction: column;
    }

    .market-item strong {
        text-align: left;
    }

    .contact-form {
        padding: 24px 18px;
    }

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

    .footer__links {
        flex-wrap: wrap;
    }

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

    .product-card__image {
        height: 230px;
    }

    .product-card p {
        min-height: auto;
    }
    .metals-section {
        min-height: 680px;
    }

    .metals-section__content {
        padding-top: 85px;
        padding-bottom: 85px;
    }

    .metals-section h2 {
        font-size: 38px;
        letter-spacing: -1px;
    }

    .metals-section__content > p {
        font-size: 16px;
    }

    .metals-section__details {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .about-left h2 {
    font-size: 40px;
    letter-spacing: -1.3px;
    }

    .about-intro {
        margin-top: 30px;
        font-size: 16px;
    }

    .about-description p {
        font-size: 16px;
    }

    .about-features {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .about-feature {
        padding: 28px 0;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }

    .about-feature:last-child {
        border-bottom: none;
    }
}

@media (max-width: 650px) {

    .hero {
        min-height: 680px;
    }

    .hero__content {
        padding-block: 80px;
    }

    .hero h1 {
        font-size: 46px;
        letter-spacing: -1.5px;
    }

    .hero__information > p {
        font-size: 17px;
    }

    

}



/* =========================
   Página de productos
========================= */

.products-page-hero {
    padding-block: 110px 80px;
    text-align: center;
    background-color: var(--color-background-light);
}

.products-page-hero h1 {
    color: var(--color-primary-dark);
    font-size: clamp(42px, 6vw, 68px);
    line-height: 1.05;
    letter-spacing: -2px;
}

.products-page-hero p {
    max-width: 680px;
    margin: 22px auto 0;
    color: var(--color-text-light);
    font-size: 17px;
}

.navigation--desktop {
    display: flex;
}

.brand__logo {
    height: 44px;
}