/* ===========================
   QORESOFT — Apple-inspired
   =========================== */

:root {
    --font-system: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --color-text: #1d1d1f;
    --color-text-secondary: #6e6e73;
    --color-link: #0066cc;
    --color-link-hover: #004499;
    --color-bg: #ffffff;
    --color-bg-secondary: #f5f5f7;
    --color-border: #d2d2d7;
    --color-success: #008009;
    --color-error: #d70015;
    --max-width: 980px;
    --nav-height: 44px;
    --section-padding: 4rem;
    --transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-height) + 1rem);
    font-size: 17px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-system);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.47059;
    letter-spacing: -0.022em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
}

ul {
    list-style: none;
}

strong {
    font-weight: 600;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline-start: max(1.375rem, env(safe-area-inset-left));
    padding-inline-end: max(1.375rem, env(safe-area-inset-right));
}

/* ===== NAV ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition);
}

.nav.scrolled {
    border-bottom-color: var(--color-border);
}

.nav-inner {
    max-width: var(--max-width);
    margin-inline: auto;
    height: 100%;
    padding-inline: max(1.375rem, env(safe-area-inset-left));
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-logo-text {
    font-size: 1.0625rem;
    font-weight: 400;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.nav-logo-text strong {
    font-weight: 600;
    color: var(--color-link);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.125rem;
}

.nav-link {
    padding: 0 0.75rem;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-text);
    opacity: 0.88;
    transition: opacity var(--transition);
}

.nav-link:hover {
    opacity: 1;
}

.nav-cta {
    margin-left: 0.5rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-link);
    transition: color var(--transition);
}

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

.nav-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    padding: 0;
}

.nav-burger span {
    display: block;
    width: 18px;
    height: 1px;
    background: var(--color-text);
    margin-inline: auto;
    transition: var(--transition);
}

.nav-burger[aria-expanded="true"] span:first-child {
    transform: translateY(3.5px) rotate(45deg);
}

.nav-burger[aria-expanded="true"] span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
}

/* ===== PAGE TITLE ===== */
.page-title {
    padding-top: calc(var(--nav-height) + 3rem);
    padding-bottom: 2rem;
    text-align: center;
}

.page-title__heading {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.08349;
    margin-bottom: 1rem;
    max-width: 720px;
    margin-inline: auto;
}

.page-title__subtitle {
    font-size: clamp(1rem, 2vw, 1.1875rem);
    color: var(--color-text-secondary);
    line-height: 1.47059;
    max-width: 600px;
    margin-inline: auto;
    margin-bottom: 2rem;
}

.page-title__stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat-num {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-link);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.stat-divider {
    width: 1px;
    height: 32px;
    background: var(--color-border);
}

/* ===== PROMO 3-UP ===== */
.promo {
    padding-bottom: 2.5rem;
}

.promo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}

.promo-item {
    display: block;
    padding: 1.5rem 1rem;
    transition: background var(--transition);
}

.promo-item:hover {
    background: var(--color-bg-secondary);
}

.promo-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
}

.promo-icon {
    color: var(--color-text);
    opacity: 0.85;
}

.promo-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.875rem;
    color: var(--color-link);
}

.promo-link-text {
    text-align: center;
    line-height: 1.4;
}

.icon-chevron {
    flex-shrink: 0;
    color: var(--color-link);
}

/* ===== SECTORS ===== */
.sectors {
    padding: 1.5rem 0;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.sectors-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    margin-bottom: 0.75rem;
    text-align: center;
}

.sectors-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1.5rem;
}

.sectors-list li {
    font-size: 0.875rem;
    color: var(--color-text);
}

/* ===== SECTIONS ===== */
.section {
    padding: var(--section-padding) 0;
}

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

.section-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    letter-spacing: -0.022em;
    line-height: 1.125;
    margin-bottom: 0.75rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    line-height: 1.47059;
    max-width: 640px;
    margin-inline: auto;
    margin-bottom: 2.5rem;
    text-align: center;
}

/* ===== IMAGE GRID ===== */
.imagegrid {
    display: grid;
    gap: 1.5rem 1rem;
}

.imagegrid--6up {
    grid-template-columns: repeat(6, 1fr);
}

.imagegrid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
    padding: 1rem 0.5rem;
    transition: opacity var(--transition);
}

.imagegrid-item:hover {
    opacity: 0.7;
}

.imagegrid-icon {
    color: var(--color-text);
}

.imagegrid-item span {
    font-size: 0.8125rem;
    line-height: 1.4;
    color: var(--color-text);
}

/* ===== CONTENT BLOCKS ===== */
.contentblock--2up {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contentblock-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-link);
    margin-bottom: 0.5rem;
}

.contentblock-title {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    line-height: 1.2;
    margin-bottom: 0.75rem;
}

.contentblock-text {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    line-height: 1.47059;
    margin-bottom: 1.25rem;
}

.feature-list {
    margin-bottom: 1.5rem;
}

.feature-list li {
    font-size: 0.9375rem;
    color: var(--color-text);
    padding: 0.35rem 0;
    padding-left: 1rem;
    position: relative;
}

.feature-list li::before {
    content: "–";
    position: absolute;
    left: 0;
    color: var(--color-text-secondary);
}

.link-chevron {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9375rem;
    color: var(--color-link);
    transition: color var(--transition);
}

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

/* ===== WHY SECTION ===== */
.why-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.why-feature h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.why-feature p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.47059;
}

.why-metric {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.why-metric-num {
    display: block;
    font-size: 3rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--color-link);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.why-metric-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.status-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
}

.status-list li:last-child {
    border-bottom: none;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-dot--green { background: #34c759; }
.status-dot--blue { background: var(--color-link); }
.status-dot--purple { background: #af52de; }

/* ===== SAAS CARDS ===== */
.saas-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.saas-grid .saas-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    max-width: 480px;
    margin-inline: auto;
    width: 100%;
}

.saas-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
}

.saas-card--featured {
    border-color: var(--color-link);
}

.saas-badge {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-link);
    margin-bottom: 0.75rem;
}

.saas-badge--custom {
    color: var(--color-text-secondary);
}

.saas-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    margin-bottom: 0.75rem;
}

.saas-card > p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.47059;
    margin-bottom: 1rem;
}

/* ===== PROCESO ===== */
.proceso-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 900px;
    margin-inline: auto;
}

.proceso-step {
    text-align: center;
}

.paso-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-link);
    margin-bottom: 1rem;
}

.proceso-step h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.proceso-step p {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.47059;
}

/* ===== CONTACTO ===== */
.contacto-data {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.contacto-item {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.contacto-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
}

.contacto-item a {
    color: var(--color-link);
    font-size: 1.0625rem;
}

.contacto-item a:hover {
    text-decoration: underline;
}

.contacto-item span {
    font-size: 1.0625rem;
}

.contacto-promise {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.contacto-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-field label {
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--color-text);
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color var(--transition), box-shadow var(--transition);
    appearance: none;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--color-link);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
}

.form-field textarea {
    resize: vertical;
    min-height: 120px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.25rem;
    border-radius: 980px;
    font-size: 1rem;
    font-weight: 400;
    border: none;
    transition: background var(--transition), opacity var(--transition);
}

.btn-primary {
    background: var(--color-link);
    color: #fff;
}

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

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-fullwidth {
    width: 100%;
}

.form-msg {
    font-size: 0.875rem;
    text-align: center;
    min-height: 1.25rem;
}

.form-msg.success {
    color: var(--color-success);
}

.form-msg.error {
    color: var(--color-error);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: 2rem 0 1.5rem;
}

.footer-directory {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 1rem;
}

.footer-toggle {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.footer-column-title {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.75rem;
    cursor: default;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--color-link);
    text-decoration: underline;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.footer-social {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: color var(--transition);
}

.footer-social:hover {
    color: var(--color-link);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1068px) {
    .imagegrid--6up {
        grid-template-columns: repeat(3, 1fr);
    }

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

@media (max-width: 734px) {
    :root {
        --section-padding: 3rem;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: saturate(180%) blur(20px);
        -webkit-backdrop-filter: saturate(180%) blur(20px);
        border-bottom: 1px solid var(--color-border);
        padding: 0.5rem 0;
    }

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

    .nav-link,
    .nav-cta {
        padding: 0.75rem 1.375rem;
        font-size: 1.0625rem;
        margin-left: 0;
    }

    .nav-burger {
        display: flex;
    }

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

    .promo-item {
        border-bottom: 1px solid var(--color-border);
    }

    .promo-item:last-child {
        border-bottom: none;
    }

    .imagegrid--6up {
        grid-template-columns: repeat(2, 1fr);
    }

    .contentblock--2up {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

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

    .proceso-steps {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .stat-divider {
        display: none;
    }

    .footer-directory {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .footer-column {
        border-bottom: 1px solid var(--color-border);
    }

    .footer-column:last-child {
        border-bottom: none;
    }

    .footer-column-title {
        padding: 0.875rem 0;
        margin-bottom: 0;
        cursor: pointer;
        position: relative;
    }

    .footer-column-title::after {
        content: "+";
        position: absolute;
        right: 0;
        font-size: 1.125rem;
        font-weight: 300;
        color: var(--color-text-secondary);
        transition: transform var(--transition);
    }

    .footer-toggle:checked + .footer-column-title::after {
        content: "−";
    }

    .footer-links {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .footer-toggle:checked ~ .footer-links {
        max-height: 200px;
        padding-bottom: 0.875rem;
    }
}