/* ================================
   COTRAEX Unified Styles v2
   Moderno, minimalista y limpio
   ================================ */

/* --- CSS Variables --- */
:root {
    --primary: #558855;
    --primary-dark: #446644;
    --primary-light: #e8f0e8;
    --primary-ultra-light: #f4f8f4;
    --text: #333333;
    --text-light: #666666;
    --text-ultra-light: #999999;
    --bg: #ffffff;
    --bg-alt: #f8f8f8;
    --border: #e0e0e0;
    --shadow: rgba(0, 0, 0, 0.08);
    --shadow-hover: rgba(0, 0, 0, 0.12);
    
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    
    --container-max: 1100px;
    --header-height: 70px;
    --radius: 8px;
    --transition: 0.3s ease;

    /* Extended colors from init.css */
    --primaryColor: #446644;
    --secondaryColor: #558855;
    --thirdColor: #445244;
    --thirdColorMedium: #558855;
    --thirdColorLight: #96b496;
    --thirdColorLightDisabled: #c0ccc0;
    --blueLight: #edf2fa;
    --primaryTextColor: #333333;
    --secondaryTextColor: #205b4f;
    --secondaryLightTextColor: #b9dbd4;
    --mediumGray: #888888;
    --bgButtonColor: #dddddd;
    --bgHoverButtonColor: #cccccc;
    --bgColor: #f4f4f4;
    --bgCardColor: white;
    --lineColor: #49a4ce;
    --errorColor: #ffcbcb;
    --gray0: #f1f1f1;
    --gray1: #eee;
    --gray2: #ccc;
    --gray3: #aaa;
    --gray4: #888;
    --gray5: #666;
    --transparent: rgba(0, 0, 0, 0);
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
    color: var(--primary-dark);
}

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

ul {
    list-style: none;
    margin-left: 10px;
}

li {
    margin-left: 10px;
    padding: 5px;
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* Container Flex variant for precioAGF layout */
.container-flex {
    width: 100%;
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    row-gap: 20px;
    column-gap: 20px;
    align-items: center;
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: box-shadow var(--transition);
}

.header.scrolled {
    box-shadow: 0 2px 20px var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.header-mini {
    height: 50px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: box-shadow var(--transition);
    width: 100%;
}

.logo {
    height: 50px;
}

.logo img {
    height: 100%;
    padding: 10px;
}

.logo:hover {
    color: var(--primary);
}

/* --- Navigation --- */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
    padding: 8px 0;
    position: relative;
}

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

.nav-link:hover {
    color: var(--primary);
}

.nav-link:hover::after {
    width: 100%;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(var(--header-height) + 40px) 20px 60px;
    background: linear-gradient(135deg, var(--primary-ultra-light) 0%, var(--bg) 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('../assets/image2.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
    animation: fadeIn 1.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: .3; }
}

.hero-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(4px) brightness(0.6);
}

.hero-content {
    position: relative;
    z-index: 1;
    justify-items: center;
}

.hero-title {
    font-size: clamp(48px, 10vw, 80px);
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 8px;
    margin-bottom: 8px;
    height: clamp(60px, 10vw, 100px);
    margin: 2rem;
}

.hero-subtitle {
    font-size: clamp(16px, 3vw, 20px);
    color: var(--text-light);
    margin-bottom: 16px;
}

.hero-tagline {
    font-size: clamp(18px, 4vw, 24px);
    color: var(--text);
    font-weight: 500;
    margin-bottom: 32px;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-hover);
}

button {
    width: 100%;
    padding: 12px;
    font-size: 14px;
    background: var(--bgButtonColor);
    border: 0px;
    white-space: nowrap;
    cursor: pointer;
    border-radius: 4px;
}

button:hover {
    background: var(--bgHoverButtonColor);
}

button:active {
    background: var(--bgButtonColor);
}

button:focus {
    outline: var(--gray4) solid 1px;
}

/* --- Sections --- */
.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section-title {
    font-size: clamp(28px, 5vw, 36px);
    font-weight: 700;
    color: var(--text);
    text-align: center;
    margin-bottom: 16px;
}

.section-intro {
    font-size: 16px;
    color: var(--text-light);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 48px;
}

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

.value-card {
    background: var(--bg);
    padding: 32px 24px;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow);
}

.value-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    color: var(--primary);
}

.value-icon svg {
    width: 100%;
    height: 100%;
}

.value-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.value-text {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* --- Services --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg);
    padding: 32px 20px;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow);
}

.service-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    color: var(--primary);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.service-text {
    font-size: 13px;
    color: var(--text-light);
}

/* --- Resources --- */
.resources-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
}

.resource-block {
    padding: 32px;
    background: var(--bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.resource-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 16px;
}

.resource-text {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.resource-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.resource-list li {
    padding: 8px 16px;
    background: var(--primary-ultra-light);
    color: var(--primary-dark);
    font-size: 13px;
    font-weight: 500;
    border-radius: 20px;
}

/* --- Quality --- */
.quality-principles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.principle {
    padding: 32px 24px;
    background: var(--bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.principle:hover {
    box-shadow: 0 8px 24px var(--shadow);
}

.principle-number {
    display: block;
    font-size: 40px;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 8px;
}

.principle-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 12px;
}

.principle-text {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* --- Contact --- */
.contact-info {
    display: flex;
    gap: 24px;
    flex-direction: column;
}

.contact-item {
    padding: 14px;
    background: var(--bg-alt);
    border-radius: var(--radius);
}

.contact-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-ultra-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.contact-text {
    font-size: 16px;
    color: var(--text);
    line-height: 1.6;
}

.contact-text a {
    color: var(--primary);
}

.contact-map {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
}

.contact-map iframe {
    display: block;
}

/* --- Footer --- */
.footer {
    padding: 32px 0;
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
}

.footer-content {
    text-align: center;
}

.footer-text {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.footer-email a {
    font-size: 14px;
    color: var(--primary);
}

/* === FORM ELEMENTS === */

input,
textarea,
select {
    width: 100%;
    color: gray;
    padding: 5px;
    border: 1px solid lightgray;
    border-radius: 4px;
}

input:focus,
input:hover,
textarea:focus,
textarea:hover,
select:hover,
select:focus {
    outline: none;
    border-color: var(--mediumGray);
    z-index: 999999;
}

select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

input:disabled,
textarea:disabled,
select:disabled {
    background: var(--gray1);
    color: var(--gray3);
    pointer-events: none;
}

input:disabled:hover,
textarea:disabled:hover,
select:disabled:hover {
    border: 1px solid var(--bgButtonColor);
}

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

input[type="radio"] {
    accent-color: var(--secondaryColor);
    cursor: pointer;
    width: auto;
}

label {
    text-wrap-mode: nowrap;
}

/* --- Dialog --- */
dialog {
    min-width: 250px;
    display: flex;
    flex-direction: column;
    row-gap: 10px;
    border: 0px;
    border-radius: 10px;
    box-shadow: 0px 0px 15px var(--gray3);
    padding: 20px;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

dialog::backdrop {
    background: rgba(0, 0, 0, 0.5);
}

dialog button {
    display: inline-block;
    padding: 14px 32px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    background: var(--primary);
    color: white;
    width: auto;
}

dialog button:hover {
    background: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-hover);
}

dialog span {
    padding: 5px 4px 5px 4px;
    border-radius: 5px;
    background: var(--errorColor);
}

dialog p {
    padding: 5px;
    text-align: center;
}

dialog hr {
    border: 1px solid var(--gray1);
}

/* === UTILITY CLASSES (from init.css) === */

/* Height utilities */
.h15 { min-height: 15px; max-height: 15px; }
.h20 { min-height: 20px; max-height: 20px; }
.h22 { min-height: 22px; max-height: 22px; }
.h25 { min-height: 25px; max-height: 25px; }
.h30 { min-height: 30px; max-height: 30px; }
.h50 { min-height: 50px; max-height: 50px; }
.h60 { min-height: 60px; max-height: 60px; }
.h70 { min-height: 70px; max-height: 70px; }
.h80 { min-height: 80px; max-height: 80px; }
.h90 { min-height: 90px; max-height: 90px; }
.h100 { min-height: 100px; max-height: 100px; }
.h150 { min-height: 150px; max-height: 150px; }
.hmax { height: 100%; }

/* Width utilities */
.w0 { min-width: 0px; max-width: 0px; flex-grow: 0; }
.w10 { min-width: 10px; max-width: 10px; flex-grow: 0; }
.w15 { min-width: 15px; max-width: 15px; flex-grow: 0; }
.w20 { min-width: 20px; max-width: 20px; flex-grow: 0; }
.w25 { min-width: 25px; max-width: 25px; flex-grow: 0; }
.w30 { min-width: 30px; max-width: 30px; flex-grow: 0; }
.w40 { min-width: 40px; max-width: 40px; flex-grow: 0; }
.w45 { min-width: 45px; max-width: 45px; flex-grow: 0; }
.w50 { min-width: 50px; max-width: 50px; flex-grow: 0; }
.w55 { min-width: 55px; max-width: 55px; flex-grow: 0; }
.w60 { min-width: 60px; max-width: 60px; flex-grow: 0; }
.w65 { min-width: 65px; max-width: 65px; flex-grow: 0; }
.w70 { min-width: 70px; max-width: 70px; flex-grow: 0; }
.w75 { min-width: 75px; max-width: 75px; flex-grow: 0; }
.w80 { min-width: 80px; max-width: 80px; flex-grow: 0; }
.w90 { min-width: 90px; max-width: 90px; flex-grow: 0; }
.w100 { min-width: 100px; max-width: 100px; flex-grow: 0; }
.w110 { min-width: 110px; max-width: 110px; flex-grow: 0; }
.w120 { min-width: 120px; max-width: 120px; flex-grow: 0; }
.w130 { min-width: 130px; max-width: 130px; flex-grow: 0; }
.w140 { min-width: 140px; max-width: 140px; flex-grow: 0; }
.w150 { min-width: 150px; max-width: 150px; flex-grow: 0; }
.w160 { min-width: 160px; max-width: 160px; flex-grow: 0; }
.w170 { min-width: 170px; max-width: 170px; flex-grow: 0; }
.w180 { min-width: 180px; max-width: 180px; flex-grow: 0; }
.w190 { min-width: 190px; max-width: 190px; flex-grow: 0; }
.w200 { min-width: 200px; max-width: 200px; flex-grow: 0; }
.w210 { min-width: 210px; max-width: 210px; flex-grow: 0; }
.w230 { min-width: 230px; max-width: 230px; flex-grow: 0; }
.w250 { min-width: 250px; max-width: 250px; flex-grow: 0; }
.w260 { min-width: 260px; max-width: 260px; flex-grow: 0; }
.w300 { min-width: 300px; max-width: 300px; flex-grow: 0; }
.w330 { min-width: 330px; max-width: 330px; flex-grow: 0; }
.w350 { min-width: 350px; max-width: 350px; flex-grow: 0; }
.w370 { min-width: 370px; max-width: 370px; flex-grow: 0; }
.w400 { min-width: 400px; max-width: 400px; flex-grow: 0; }
.w550 { min-width: 550px; max-width: 550px; flex-grow: 0; }
.w1100 { min-width: 1100px; max-width: 1100px; flex-grow: 0; }
.wmax { width: 100%; }

/* Margin Right */
.mr-1 { margin-right: -1px; }
.mr-9 { margin-right: -9px; }
.mr-10 { margin-right: -10px; }
.mr1 { margin-right: 1px; }
.mr2 { margin-right: 2px; }
.mr3 { margin-right: 3px; }
.mr4 { margin-right: 4px; }
.mr5 { margin-right: 5px; }
.mr6 { margin-right: 6px; }
.mr7 { margin-right: 7px; }
.mr8 { margin-right: 8px; }
.mr9 { margin-right: 9px; }
.mr10 { margin-right: 10px; }
.mr20 { margin-right: 20px; }
.mr25 { margin-right: 25px; }
.mr35 { margin-right: 35px; }
.mr45 { margin-right: 45px; }
.mr55 { margin-right: 55px; }
.mr65 { margin-right: 65px; }

/* Margin Left */
.ml-1 { margin-left: -1px; }
.ml-2 { margin-left: -2px; }
.ml-9 { margin-left: -9px; }
.ml1 { margin-left: 1px; }
.ml2 { margin-left: 2px; }
.ml3 { margin-left: 3px; }
.ml4 { margin-left: 4px; }
.ml5 { margin-left: 5px; }
.ml6 { margin-left: 6px; }
.ml7 { margin-left: 7px; }
.ml8 { margin-left: 8px; }
.ml9 { margin-left: 9px; }
.ml10 { margin-left: 10px; }
.ml35 { margin-left: 35px; }

/* Margin Top */
.mt1 { margin-top: 1px; }
.mt2 { margin-top: 2px; }
.mt3 { margin-top: 3px; }
.mt4 { margin-top: 4px; }
.mt5 { margin-top: 5px; }
.mt6 { margin-top: 6px; }
.mt7 { margin-top: 7px; }
.mt8 { margin-top: 8px; }
.mt9 { margin-top: 9px; }
.mt10 { margin-top: 10px; }
.mt11 { margin-top: 11px; }
.mt12 { margin-top: 12px; }
.mt13 { margin-top: 13px; }
.mt20 { margin-top: 20px; }

/* Margin Bottom */
.mb-1 { margin-bottom: -1px; }
.mb-2 { margin-bottom: -2px; }
.mb1 { margin-bottom: 1px; }
.mb2 { margin-bottom: 2px; }
.mb3 { margin-bottom: 3px; }
.mb4 { margin-bottom: 4px; }
.mb5 { margin-bottom: 5px; }
.mb6 { margin-bottom: 6px; }
.mb7 { margin-bottom: 7px; }
.mb8 { margin-bottom: 8px; }
.mb9 { margin-bottom: 9px; }
.mb10 { margin-bottom: 10px; }
.mb11 { margin-bottom: 11px; }
.mb12 { margin-bottom: 12px; }
.mb13 { margin-bottom: 13px; }
.mb15 { margin-bottom: 15px; }
.mb20 { margin-bottom: 20px; }
.mb30 { margin-bottom: 30px; }

/* Padding Right */
.pr1 { padding-right: 1px; }
.pr2 { padding-right: 2px; }
.pr3 { padding-right: 3px; }
.pr4 { padding-right: 4px; }
.pr5 { padding-right: 5px; }
.pr6 { padding-right: 6px; }
.pr7 { padding-right: 7px; }
.pr8 { padding-right: 8px; }
.pr9 { padding-right: 9px; }
.pr10 { padding-right: 10px; }
.pr25 { padding-right: 25px; }
.pr35 { padding-right: 35px; }
.pr55 { padding-right: 55px; }

/* Padding Left */
.pl1 { padding-left: 1px; }
.pl2 { padding-left: 2px; }
.pl3 { padding-left: 3px; }
.pl4 { padding-left: 4px; }
.pl5 { padding-left: 5px; }
.pl6 { padding-left: 6px; }
.pl7 { padding-left: 7px; }
.pl8 { padding-left: 8px; }
.pl9 { padding-left: 9px; }
.pl10 { padding-left: 10px; }

/* Text Alignment */
.center { text-align: center !important; }
.left { text-align: left !important; }
.right { text-align: right !important; }
.vcenter { align-items: center !important; }

/* Typography */
.cursiva { font-style: italic; }
.tam10 { font-size: 10px; }
.tam11 { font-size: 11px; }
.tam12 { font-size: 12px; }
.tam13 { font-size: 13px; }
.tam14 { font-size: 14px; }
.tam15 { font-size: 15px; }
.tam16 { font-size: 16px; }

/* Display & Visibility */
.oculto { display: none; }
.invisible { visibility: hidden; }
.completo { flex-grow: 1; }
.pulsable { cursor: pointer; }

/* === CUSTOM COMPONENTS (from init.css) === */

.tarjeta {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    width: 100%;
    max-width: 350px;
}

.tarjeta h2 {
    font-size: 1.5rem;
    margin: 0 0 1rem 0;
    font-weight: lighter;
}

.fila {
    display: flex;
    align-items: baseline;
}

.sombra {
    box-shadow: 0 0 1em lightgray;
}

/* Specific to precioAGF layout */
#calculadora {
    display: flex;
    flex-direction: column;
    max-width: 340px;
}

#entrada,
#salida,
#salidaKm {
    display: flex;
    flex-direction: column;
    row-gap: 5px;
}

#salida {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.4s ease, opacity 0.3s ease;
}

#entrada label {
    font-size: .8rem;
    min-width: 70px;
}

.response {
    text-align: right;
    border: 1px solid #ffff;
    border-bottom: 1px solid lightgray;
}

#precioKm,
#totalKm {
    color: black;
    font-size: 1.5rem;
    background: var(--thirdColorLight);
    text-align: center;
    justify-content: center;
}

#precioKm {
    background: var(--secondaryColor);
}

#precioKm5,
#precioKm10 {
    background: none;
    border-bottom: none;
    color: var(--mediumGray);
}

#destinoProvincia,
#repartosTarifa {
    background: none;
    color: var(--mediumGray);
}

.tarifa table {
    width: 100%;
    font-size: 10px;
}

summary,
.tarifa {
    margin-bottom: 10px;
}

#destinoProvincia {
    color: red;
}

.mitad {
    width: 50%;
    flex: 0 0 50%;
    box-sizing: border-box;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .values,
    .services-grid,
    .quality-principles {
        grid-template-columns: repeat(2, 1fr);
    }

    .resources-content {
        gap: 24px;
    }
}

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

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        right: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background: var(--bg);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 40px;
        gap: 0;
        transition: right var(--transition);
        box-shadow: 0 4px 20px var(--shadow);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 18px;
        padding: 16px 0;
    }

    .values,
    .services-grid,
    .quality-principles {
        grid-template-columns: 1fr;
    }

    .resources-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 60px 0;
    }

    .hero {
        min-height: auto;
        padding: 120px 20px 60px;
    }

    .container-flex {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-title {
        letter-spacing: 4px;
    }

    .resource-block,
    .principle {
        padding: 24px 20px;
    }

    #calculadora {
        max-width: 100%;
    }

    .tarjeta {
        max-width: 100%;
    }
}