:root {
    --green: #1e4a3b;
    --green-dark: #12281f;
    --gold: #a9a55c;
    --cream: #f7f3e9;
    --cream-light: #fbf9f4;
    --charcoal: #2b2b26;
    --white: #ffffff;
    --line: rgba(30, 74, 59, 0.14);
    --shadow: 0 24px 60px rgba(18, 40, 31, 0.08);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: "Inter", sans-serif;
    color: var(--charcoal);
    background: var(--cream-light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

button,
input,
select {
    font: inherit;
}

/* ==================================================
   HEADER COMPARTIDO · RECURSOS MALAK
================================================== */

.site-header{
    position:sticky;
    top:0;
    z-index:100;
    background:rgba(251,249,244,.96);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
}

.header-inner{
    width:min(1180px,calc(100% - 40px));
    min-height:82px;
    margin:0 auto;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:28px;
}

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

.brand img{
    display:block;
    width:235px;
    height:auto;
}

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

.main-nav a{
    font-family:"Inter",sans-serif;
    font-size:12px;
    font-weight:800;
    line-height:1.2;
    letter-spacing:0;
    text-transform:none;
    color:var(--green-dark);
}

.main-nav a:hover{
    color:var(--gold);
}

.menu-toggle{
    display:none;
    width:44px;
    height:44px;
    padding:0;
    border:0;
    background:transparent;
    cursor:pointer;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:5px;
}

.menu-toggle span{
    display:block;
    width:24px;
    height:2px;
    border-radius:50px;
    background:var(--green-dark);
}

@media(max-width:700px){

    .header-inner{
        width:min(100% - 28px,1180px);
        min-height:72px;
    }

    .brand img{
        width:190px;
    }

    .menu-toggle{
        display:flex;
    }

    .main-nav{
        display:none;
        position:absolute;
        top:72px;
        left:14px;
        right:14px;
        padding:12px;
        flex-direction:column;
        align-items:stretch;
        gap:0;
        background:#fff;
        border:1px solid var(--line);
        border-radius:16px;
        box-shadow:var(--shadow);
    }

    .main-nav.mobile-open{
        display:flex;
    }

    .main-nav a{
        padding:13px 11px;
        border-bottom:1px solid var(--line);
    }

    .main-nav a:last-child{
        border-bottom:0;
    }
}

/* ==================================================
   FOOTER COMPARTIDO · RECURSOS MALAK
================================================== */

.resource-footer{
    padding:48px 0;
    color:var(--white);
    background:#0d1d17;
}

.resource-footer-inner{
    width:min(1180px,calc(100% - 40px));
    margin:0 auto;
    display:grid;
    grid-template-columns:1fr auto auto;
    gap:35px;
    align-items:center;
}

.resource-footer-logo{
    display:block;
    width:230px;
    height:auto;
    justify-self:start;
}

.resource-footer p,
.resource-footer a{
    margin:0;
    font-family:"Inter",sans-serif;
    font-size:11px;
    line-height:1.5;
    color:rgba(255,255,255,.56);
}

.resource-footer a{
    font-weight:700;
    color:var(--gold);
    white-space:nowrap;
}

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

@media(max-width:820px){
    .resource-footer-inner{
        grid-template-columns:1fr;
        gap:18px;
    }
}

@media(max-width:600px){
    .resource-footer-inner{
        width:min(100% - 32px,1180px);
    }

    .resource-footer-logo{
        width:200px;
    }
}

/* GLOBAL */

.calculator-shell {
    width: min(1180px, calc(100% - 64px));
    margin: 0 auto;
}

.calculator-eyebrow,
.calculator-panel-label,
.panel-kicker,
.summary-kicker {
    font-family: "Archivo", sans-serif;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.17em;
    text-transform: uppercase;
    color: var(--gold);
}

/* HERO */

.calculator-hero {
    position: relative;
    overflow: hidden;
    padding: 88px 0 78px;

    background:
        radial-gradient(circle at 88% 12%, rgba(169, 165, 92, 0.18), transparent 26%),
        var(--cream-light);
}

.calculator-hero::after {
    content: "";
    position: absolute;

    width: 420px;
    height: 420px;
    right: -210px;
    bottom: -280px;

    border: 1px solid rgba(30, 74, 59, 0.12);
    border-radius: 50%;
}

.calculator-hero-grid {
    position: relative;
    z-index: 1;

    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
    gap: 80px;
    align-items: center;
}

.calculator-hero-copy h1 {
    max-width: 790px;
    margin: 18px 0 25px;

    font-family: "Archivo", sans-serif;
    font-size: clamp(48px, 6vw, 76px);
    font-weight: 900;
    line-height: 0.98;
    letter-spacing: -0.05em;

    color: var(--green);
}

.calculator-hero-lead {
    max-width: 680px;

    font-size: 17px;
    line-height: 1.8;

    color: rgba(43, 43, 38, 0.72);
}

.calculator-hero-tags {
    margin-top: 34px;

    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.calculator-hero-tags span {
    padding: 7px 10px;

    border: 1px solid var(--line);

    font-family: "Archivo", sans-serif;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;

    color: rgba(30, 74, 59, 0.75);
}

.calculator-hero-card {
    padding: 38px;

    color: var(--white);
    background: var(--green);

    box-shadow: 0 28px 70px rgba(18, 40, 31, 0.14);
}

.calculator-panel-label {
    display: block;
    margin-bottom: 30px;
}

.calculator-route-step {
    display: grid;
    grid-template-columns: 54px 1fr;
    gap: 18px;
    align-items: start;
}

.calculator-route-step > strong {
    font-family: "Archivo", sans-serif;
    font-size: 30px;
    line-height: 1;

    color: var(--gold);
}

.calculator-route-step div > span {
    display: block;
    margin-bottom: 5px;

    font-family: "Archivo", sans-serif;
    font-size: 18px;
    font-weight: 800;
}

.calculator-route-step p {
    font-size: 12px;
    line-height: 1.65;

    color: rgba(255, 255, 255, 0.62);
}

.calculator-route-line {
    width: 1px;
    height: 36px;
    margin: 12px 0 12px 26px;

    background: rgba(255, 255, 255, 0.18);
}

/* CALCULATOR LAYOUT */

.calculator-section {
    padding: 88px 0 100px;
    background: var(--cream);
}

.calculator-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 28px;
    align-items: start;
}

.calculator-main {
    min-width: 0;
}

.calculator-panel {
    margin-bottom: 22px;
    padding: 34px;

    border: 1px solid var(--line);
    background: var(--cream-light);
}

.panel-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 30px;
}

.panel-heading h2 {
    margin: 8px 0 8px;

    font-family: "Archivo", sans-serif;
    font-size: 27px;
    font-weight: 900;
    line-height: 1.1;

    color: var(--green);
}

.panel-heading p {
    max-width: 610px;

    font-size: 12px;
    line-height: 1.7;

    color: rgba(43, 43, 38, 0.62);
}

/* KILOS */

.calculator-kilos-panel {
    padding: 30px 34px;
}

.kg-stepper {
    min-width: 250px;

    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
}

.kg-stepper button {
    width: 42px;
    height: 42px;
    flex-shrink: 0;

    border: 1px solid rgba(30, 74, 59, 0.25);
    border-radius: 50%;

    font-family: "Archivo", sans-serif;
    font-size: 20px;
    font-weight: 700;

    color: var(--green);
    background: var(--white);

    cursor: pointer;

    transition: background 0.2s ease, color 0.2s ease, transform 0.12s ease;
}

.kg-stepper button:hover {
    color: var(--white);
    background: var(--green);
}

.kg-stepper button:active {
    transform: scale(0.94);
}

.kg-input-wrap {
    min-width: 118px;

    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 6px;
}

#kgInput {
    width: 80px;

    border: none;
    outline: none;

    text-align: right;

    font-family: "Archivo", sans-serif;
    font-size: 31px;
    font-weight: 900;
    line-height: 1;

    color: var(--green);
    background: transparent;

    -moz-appearance: textfield;
}

#kgInput::-webkit-outer-spin-button,
#kgInput::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.kg-input-wrap span {
    font-family: "Archivo", sans-serif;
    font-size: 13px;
    font-weight: 700;

    color: rgba(30, 74, 59, 0.55);
}

/* PRESENTATIONS */

.size-grid {
    margin-top: 26px;

    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.size-card {
    padding: 17px 18px;

    border: 1px solid var(--line);
    background: var(--white);
}

.size-card .pname {
    margin-bottom: 8px;

    font-family: "Archivo", sans-serif;
    font-size: 12px;
    font-weight: 800;

    color: var(--green);
}

.size-card select {
    width: 100%;
    padding: 10px 11px;

    border: 1px solid rgba(30, 74, 59, 0.18);
    border-radius: 0;
    outline: none;

    font-family: "Inter", sans-serif;
    font-size: 11px;

    color: var(--charcoal);
    background: var(--cream-light);
}

.size-card select:focus {
    border-color: var(--gold);
}

.size-card select:disabled {
    opacity: 0.72;
}

/* PRESETS */

.reset-button {
    flex-shrink: 0;
    padding: 9px 13px;

    border: 1px solid var(--line);

    font-family: "Archivo", sans-serif;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;

    color: var(--green);
    background: transparent;

    cursor: pointer;
}

.preset-grid {
    margin-top: 26px;

    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.preset-card {
    min-height: 72px;
    padding: 15px 16px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;

    border: 1px solid var(--line);

    text-align: left;

    color: var(--green);
    background: var(--white);

    cursor: pointer;

    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.preset-card:hover {
    transform: translateY(-2px);
    border-color: rgba(169, 165, 92, 0.65);
}

.preset-card.active {
    border-color: var(--green);
    color: var(--white);
    background: var(--green);
}

.preset-card strong {
    display: block;

    font-family: "Archivo", sans-serif;
    font-size: 12px;
    font-weight: 800;
    line-height: 1.3;
}

.preset-card span {
    flex-shrink: 0;

    font-family: "Archivo", sans-serif;
    font-size: 16px;

    color: var(--gold);
}

/* PROCESS */

.calculator-process-panel {
    padding-bottom: 22px;
}

.process-group {
    margin-top: 26px;
    border-top: 1px solid var(--line);
}

.process-group-heading {
    padding: 22px 0 15px;

    display: grid;
    grid-template-columns: 32px 1fr;
    gap: 13px;
    align-items: start;
}

.process-group-heading > span {
    font-family: "Archivo", sans-serif;
    font-size: 10px;
    font-weight: 800;

    color: var(--gold);
}

.process-group-heading strong {
    display: block;

    font-family: "Archivo", sans-serif;
    font-size: 14px;

    color: var(--green);
}

.process-group-heading p {
    margin-top: 3px;

    font-size: 10.5px;
    line-height: 1.6;

    color: rgba(43, 43, 38, 0.52);
}

.process-list {
    display: grid;
    gap: 9px;
}

.process-row {
    padding: 15px 16px;

    display: grid;
    grid-template-columns: 28px minmax(0, 1fr) auto auto;
    gap: 14px;
    align-items: center;

    border: 1px solid var(--line);
    background: var(--white);

    cursor: pointer;

    transition: border-color 0.2s ease, background 0.2s ease;
}

.process-row.on {
    border-color: rgba(30, 74, 59, 0.4);
    background: rgba(169, 165, 92, 0.08);
}

.process-check {
    width: 24px;
    height: 24px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 1.5px solid rgba(30, 74, 59, 0.35);

    color: var(--white);
    background: var(--white);
}

.process-check svg {
    width: 13px;
    height: 13px;
    opacity: 0;
}

.process-row.on .process-check {
    border-color: var(--green);
    background: var(--green);
}

.process-row.on .process-check svg {
    opacity: 1;
}

.process-info {
    min-width: 0;
}

.process-info .name {
    font-family: "Archivo", sans-serif;
    font-size: 12px;
    font-weight: 800;

    color: var(--green);
}

.process-info .rate {
    margin-top: 2px;

    font-size: 10.5px;

    color: rgba(43, 43, 38, 0.48);
}

.process-info .hint {
    margin-top: 3px;

    font-size: 9.5px;
    font-style: italic;

    color: rgba(43, 43, 38, 0.46);
}

.process-count {
    display: flex;
    align-items: center;
    gap: 5px;

    opacity: 0.34;
    pointer-events: none;

    transition: opacity 0.2s ease;
}

.process-row.on .process-count {
    opacity: 1;
    pointer-events: auto;
}

.process-count button {
    width: 26px;
    height: 26px;

    border: 1px solid var(--line);
    border-radius: 50%;

    color: var(--green);
    background: var(--cream-light);

    cursor: pointer;
}

.process-count input {
    width: 34px;

    border: none;
    outline: none;

    text-align: center;

    font-family: "Archivo", sans-serif;
    font-size: 11px;
    font-weight: 700;

    color: var(--green);
    background: transparent;
}

.process-subtotal {
    min-width: 70px;

    text-align: right;

    font-family: "Archivo", sans-serif;
    font-size: 13px;
    font-weight: 800;

    color: rgba(43, 43, 38, 0.48);
}

.process-row.on .process-subtotal {
    color: var(--green);
}

/* NOTE */

.calculator-note {
    padding: 24px 26px;

    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 15px;
    align-items: start;

    border: 1px solid rgba(169, 165, 92, 0.44);
    background: rgba(169, 165, 92, 0.1);
}

.calculator-note-icon {
    width: 36px;
    height: 36px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;

    font-family: "Archivo", sans-serif;
    font-weight: 900;

    color: var(--green-dark);
    background: var(--gold);
}

.calculator-note strong {
    display: block;
    margin-bottom: 4px;

    font-family: "Archivo", sans-serif;
    font-size: 12px;

    color: var(--green);
}

.calculator-note p {
    font-size: 11px;
    line-height: 1.7;

    color: rgba(43, 43, 38, 0.62);
}

/* SUMMARY */

.calculator-summary {
    position: sticky;
    top: 108px;
}

.summary-card {
    padding: 30px;

    color: var(--white);
    background: var(--green);

    box-shadow: 0 22px 54px rgba(18, 40, 31, 0.12);
}

.summary-main {
    margin-top: 28px;
}

.summary-main span {
    display: block;
    margin-bottom: 8px;

    font-size: 11px;

    color: rgba(255, 255, 255, 0.58);
}

.summary-main strong {
    display: block;

    font-family: "Archivo", sans-serif;
    font-size: 42px;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.04em;

    color: var(--gold);
}

.summary-divider {
    height: 1px;
    margin: 28px 0;

    background: rgba(255, 255, 255, 0.16);
}

.summary-stats {
    display: grid;
    gap: 18px;
}

.summary-stats div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 18px;
}

.summary-stats span {
    font-size: 10px;

    color: rgba(255, 255, 255, 0.5);
}

.summary-stats strong {
    font-family: "Archivo", sans-serif;
    font-size: 12px;

    color: var(--white);
}

.summary-help {
    margin-top: 28px;
    padding-top: 24px;

    border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.summary-help strong {
    display: block;
    margin-bottom: 7px;

    font-family: "Archivo", sans-serif;
    font-size: 11px;
}

.summary-help p {
    font-size: 10.5px;
    line-height: 1.65;

    color: rgba(255, 255, 255, 0.55);
}

.summary-link {
    margin-top: 25px;
    padding-top: 15px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    border-top: 1px solid rgba(255, 255, 255, 0.14);

    font-family: "Archivo", sans-serif;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;

    color: var(--gold);
}

/* DISCLAIMER */

.calculator-disclaimer {
    padding: 26px 0;

    border-top: 1px solid var(--line);
    background: var(--cream-light);
}

.calculator-disclaimer p {
    max-width: 920px;
    margin: 0 auto;

    text-align: center;

    font-size: 10.5px;
    line-height: 1.7;

    color: rgba(43, 43, 38, 0.48);
}
/* RESPONSIVE */

@media (max-width: 980px) {
    .calculator-hero-grid {
        grid-template-columns: 1fr;
        gap: 44px;
    }

    .calculator-hero-card {
        max-width: 720px;
    }

    .calculator-layout {
        grid-template-columns: 1fr;
    }

    .calculator-summary {
        position: static;
    }
}

@media (max-width: 820px) {
.calculator-shell {
        width: min(100% - 40px, 1180px);
    }

    .calculator-hero {
        padding: 66px 0 62px;
    }

    .calculator-hero-copy h1 {
        font-size: clamp(42px, 10vw, 64px);
    }

    .calculator-section {
        padding: 68px 0 80px;
    }

    .panel-heading {
        flex-direction: column;
    }

    .kg-stepper {
        width: 100%;
        min-width: 0;
        justify-content: flex-start;
    }

    .size-grid,
    .preset-grid {
        grid-template-columns: 1fr;
    }

}

@media (max-width: 600px) {
    .calculator-shell {
        width: min(100% - 32px, 1180px);
    }
.calculator-hero {
        padding-top: 54px;
    }

    .calculator-hero-copy h1 {
        font-size: 39px;
        line-height: 1.02;
    }

    .calculator-hero-lead {
        font-size: 14px;
    }

    .calculator-hero-card {
        padding: 28px 24px;
    }

    .calculator-route-step {
        grid-template-columns: 44px 1fr;
    }

    .calculator-route-step > strong {
        font-size: 25px;
    }

    .calculator-route-line {
        margin-left: 21px;
    }

    .calculator-panel {
        padding: 26px 20px;
    }

    .panel-heading h2 {
        font-size: 24px;
    }

    .process-row {
        grid-template-columns: 26px minmax(0, 1fr) auto;
    }

    .process-count {
        grid-column: 2 / 3;
        justify-self: start;
    }

    .process-subtotal {
        grid-column: 3 / 4;
        grid-row: 1 / 2;
    }

    .summary-main strong {
        font-size: 38px;
    }

    .calculator-note {
        grid-template-columns: 36px 1fr;
        padding: 20px;
    }

}


/* HEADER MÓVIL · MISMO FORMATO QUE COSTO POR HABITACIÓN */
@media(max-width:700px){

.main-nav.mobile-open{
        display:flex;
    }

.main-nav a:last-child{
        border-bottom:0;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}


/* ==================================================
   ALIANZA MALAK + SWIPE
================================================== */

.calculator-alliance {
    max-width: 680px;
    margin-top: 34px;
    padding-top: 25px;
    border-top: 1px solid var(--line);
}

.calculator-alliance-copy {
    margin: 0 0 18px;
    font-family: "Archivo", sans-serif;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.45;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--gold);
}

.calculator-alliance-logos {
    display: flex;
    align-items: center;
    gap: 24px;
}

.calculator-alliance-logo {
    display: block;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
}

.calculator-alliance-logo-malak {
    max-width: 155px;
    max-height: 78px;
}

.calculator-alliance-logo-swipe {
    max-width: 190px;
    max-height: 72px;
}

.calculator-alliance-symbol {
    flex-shrink: 0;
    font-family: "Archivo", sans-serif;
    font-size: 24px;
    font-weight: 400;
    line-height: 1;
    color: rgba(30, 74, 59, 0.34);
}

@media (max-width: 600px) {
    .calculator-alliance {
        margin-top: 28px;
        padding-top: 22px;
    }

    .calculator-alliance-copy {
        margin-bottom: 16px;
        font-size: 10px;
        letter-spacing: 0.08em;
    }

    .calculator-alliance-logos {
        gap: 16px;
        flex-wrap: wrap;
    }

    .calculator-alliance-logo-malak {
        max-width: 128px;
        max-height: 66px;
    }

    .calculator-alliance-logo-swipe {
        max-width: 158px;
        max-height: 62px;
    }

    .calculator-alliance-symbol {
        font-size: 20px;
    }
}


/* ==================================================
   AJUSTE DE ALINEACIÓN · TARJETA "CÓMO USARLA"
   Solo corrige la posición visual del recuadro verde.
================================================== */

@media (min-width: 981px) {
    .calculator-hero-card {
        align-self: start;
        margin-top: 36px;
    }
}