@font-face {
    font-family: "HHG Display";
    src: url("../fonts/ft91-hhg.ttf") format("truetype");
    font-display: swap;
    font-style: normal;
    font-weight: 400;
}

:root {
    --paper: #f4f2ed;
    --paper-raised: #fbfaf7;
    --ink: #292a29;
    --ink-soft: #5c5e5b;
    --line: rgba(41, 42, 41, 0.2);
    --line-strong: rgba(41, 42, 41, 0.48);
    --anthracite: #333333;
    --anthracite-deep: #242524;
    --gold: #d4af37;
    --gold-deep: #a98413;
    --white: #ffffff;
    --error: #a32f2f;
    --success: #276443;
    --display: "HHG Display", "Helvetica Neue", Arial, sans-serif;
    --body: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
    --gutter: 1.25rem;
    --section-space: 5.75rem;
    --content-max: 108rem;
    --header-height: 5rem;
    --ease: 240ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

html[data-theme="dark"] {
    --paper: #262726;
    --paper-raised: #303130;
    --ink: #f2f0ea;
    --ink-soft: #b9bbb7;
    --line: rgba(255, 255, 255, 0.16);
    --line-strong: rgba(255, 255, 255, 0.42);
    --success: #79bd94;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 1rem);
}

body {
    margin: 0;
    overflow-x: hidden;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--body);
    font-size: 1rem;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
    transition: background-color var(--ease), color var(--ease);
}

body.menu-open {
    overflow: hidden;
}

body.menu-open .site-header {
    background: var(--paper-raised);
    backdrop-filter: none;
}

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

a {
    color: inherit;
}

button,
input,
textarea {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 4px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: fixed;
    top: 0.75rem;
    left: var(--gutter);
    z-index: 2000;
    padding: 0.75rem 1rem;
    background: var(--gold);
    color: #1d1d1d;
    text-decoration: none;
    transform: translateY(-180%);
    transition: transform var(--ease);
}

.skip-link:focus {
    transform: translateY(0);
}

.site-shell {
    width: min(calc(100% - (2 * var(--gutter))), var(--content-max));
    margin-inline: auto;
}

.eyebrow {
    margin: 0;
    color: var(--ink-soft);
    font-size: 0.69rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    line-height: 1.4;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    text-wrap: pretty;
}

h1,
h2,
h3 {
    margin-top: 0;
    font-family: var(--display);
    font-weight: 400;
    max-width: 100%;
    overflow-wrap: anywhere;
}

h1 {
    max-width: 16ch;
    margin-bottom: 1.75rem;
    font-size: clamp(2.65rem, 11vw, 3.4rem);
    letter-spacing: -0.035em;
    line-height: 1;
    text-wrap: balance;
}

h2 {
    margin-bottom: 1.6rem;
    font-size: clamp(2.05rem, 8.5vw, 3.2rem);
    letter-spacing: -0.03em;
    line-height: 1.04;
}

h3 {
    font-size: 1.5rem;
    letter-spacing: -0.015em;
    line-height: 1.15;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    min-height: var(--header-height);
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--paper) 94%, transparent);
    backdrop-filter: blur(16px);
}

.header-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    min-height: var(--header-height);
}

.brand {
    width: 12rem;
}

.brand img,
.footer-brand img {
    width: 100%;
    height: auto;
}

.menu-toggle,
.language-button,
.theme-toggle,
.dialog-close,
.whatsapp-close,
.whatsapp-trigger,
.footer-links button {
    border: 0;
    background: transparent;
    color: inherit;
    cursor: pointer;
}

.menu-toggle {
    position: relative;
    z-index: 1003;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.45rem;
    width: 2.8rem;
    height: 2.8rem;
    padding: 0.7rem;
}

.menu-toggle-line {
    width: 100%;
    height: 1px;
    background: currentColor;
    transform-origin: center;
    transition: transform var(--ease);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-line:first-child {
    transform: translateY(0.25rem) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-line:nth-child(2) {
    transform: translateY(-0.25rem) rotate(-45deg);
}

.primary-navigation {
    position: fixed;
    inset: var(--header-height) 0 6rem;
    z-index: 1001;
    display: none;
    flex-direction: column;
    padding: 1.25rem var(--gutter);
    overflow-y: auto;
    overscroll-behavior: contain;
    background: var(--paper-raised);
}

.primary-navigation.is-open {
    display: flex;
}

.primary-navigation a,
.header-cta,
.footer-links a,
.footer-links button {
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-decoration: none;
    text-transform: uppercase;
}

.primary-navigation a {
    padding-block: 1.1rem;
    border-bottom: 1px solid var(--line);
    color: var(--ink-soft);
}

.header-actions {
    display: none;
}

.header-actions.is-open {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1002;
    display: flex;
    gap: 1.4rem;
    align-items: center;
    min-height: 6rem;
    padding: 1.25rem var(--gutter);
    border-top: 1px solid var(--line);
    background: var(--paper-raised);
}

.language-switch {
    display: flex;
    gap: 0.4rem;
    align-items: center;
    color: var(--ink-soft);
    font-size: 0.72rem;
}

.language-button {
    padding: 0.3rem;
    color: var(--ink-soft);
}

.language-button.is-active {
    color: var(--ink);
    font-weight: 800;
}

.theme-toggle {
    padding: 0.35rem;
}

.theme-toggle-track {
    position: relative;
    display: block;
    width: 2.8rem;
    height: 1.45rem;
    border: 1px solid var(--line-strong);
    border-radius: 2rem;
}

.theme-toggle-track span {
    position: absolute;
    top: 0.2rem;
    left: 0.22rem;
    width: 0.95rem;
    height: 0.95rem;
    border-radius: 50%;
    background: var(--gold);
    transition: transform var(--ease);
}

html[data-theme="dark"] .theme-toggle-track span {
    transform: translateX(1.32rem);
}

.header-cta {
    display: none;
    padding: 0.85rem 1.15rem;
    border: 1px solid var(--line-strong);
}

.hero {
    position: relative;
    overflow: hidden;
    padding-block: 4.75rem 5.5rem;
    border-bottom: 1px solid var(--line);
}

.hero::before {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image: linear-gradient(to right, var(--line) 1px, transparent 1px);
    background-size: 25% 100%;
    content: "";
    opacity: 0.14;
}

.hero-grid {
    position: relative;
    display: grid;
    gap: 4.5rem;
}

.hero-copy,
.hero-visual {
    min-width: 0;
}

.hero-copy .eyebrow {
    margin-bottom: 1.6rem;
}

.hero-intro {
    max-width: 43rem;
    margin: 0 0 2.5rem;
    color: var(--ink-soft);
    font-size: 1.05rem;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
}

.button {
    display: inline-flex;
    gap: 1rem;
    align-items: center;
    justify-content: center;
    min-height: 3.5rem;
    padding: 0.95rem 1.35rem;
    border: 1px solid transparent;
    border-radius: 0;
    font-size: 0.8rem;
    font-weight: 750;
    letter-spacing: 0.06em;
    line-height: 1.3;
    max-width: 100%;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform var(--ease), background-color var(--ease);
}

.button-primary {
    background: var(--gold);
    color: #1f1f1f;
}

.button:disabled {
    cursor: wait;
    opacity: 0.6;
}

.text-link {
    display: inline-flex;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--line-strong);
    font-size: 0.84rem;
    font-weight: 650;
    text-decoration: none;
}

.hero-visual {
    width: 100%;
}

.architecture-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 0.9;
    border: 1px solid var(--line-strong);
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--paper-raised) 88%, transparent), transparent 58%),
        repeating-linear-gradient(90deg, transparent 0 24.8%, var(--line) 25% 25.2%);
}

.architecture-frame::after {
    position: absolute;
    inset: 7% 0 0 7%;
    z-index: -1;
    border: 1px solid var(--line);
    content: "";
}

.corner {
    position: absolute;
    width: 22%;
    aspect-ratio: 1;
    background: var(--gold);
    clip-path: polygon(0 0, 100% 0, 40% 18%, 18% 40%, 0 100%);
}

.corner-top {
    top: -1px;
    left: -1px;
}

.corner-bottom {
    right: -1px;
    bottom: -1px;
    transform: rotate(180deg);
}

.architecture-axis {
    position: absolute;
    background: var(--line-strong);
}

.axis-one {
    top: 14%;
    bottom: 14%;
    left: 50%;
    width: 1px;
}

.axis-two {
    top: 50%;
    right: 14%;
    left: 14%;
    height: 1px;
}

.architecture-panel {
    position: absolute;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: clamp(0.7rem, 3vw, 1rem);
    border: 1px solid var(--line-strong);
    background: color-mix(in srgb, var(--paper-raised) 94%, transparent);
    box-shadow: 0.8rem 0.8rem 0 color-mix(in srgb, var(--ink) 5%, transparent);
}

.architecture-panel span,
.proof-index,
.capability-number,
.process-list li > span {
    color: var(--gold-deep);
    font-size: 0.7rem;
    font-weight: 750;
    letter-spacing: 0.15em;
}

.architecture-panel strong {
    font-family: var(--display);
    font-size: clamp(0.78rem, 4vw, 1.05rem);
    font-weight: 400;
}

html[lang="en"] .panel-three strong {
    transform: translateX(-0.5rem);
}

.panel-one {
    top: 15%;
    left: 10%;
    width: 46%;
    height: 29%;
}

.panel-two {
    top: 39%;
    right: 8%;
    width: 46%;
    height: 29%;
}

.panel-three {
    bottom: 9%;
    left: 17%;
    width: 46%;
    height: 27%;
}

.architecture-caption {
    position: absolute;
    top: 5%;
    right: 4%;
    color: var(--ink-soft);
    font-size: 0.5rem;
    letter-spacing: 0.18em;
    line-height: 1.8;
    text-align: right;
    text-transform: uppercase;
    white-space: pre-line;
}

.proof-strip {
    border-bottom: 1px solid var(--line);
    background: var(--paper-raised);
}

.proof-grid {
    display: grid;
}

.proof-item {
    padding-block: 2.1rem;
    border-bottom: 1px solid var(--line);
}

.proof-item:last-child {
    border-bottom: 0;
}

.proof-item strong {
    display: block;
    margin: 1.1rem 0 0.55rem;
    font-family: var(--display);
    font-size: 1.5rem;
    font-weight: 400;
}

.proof-item p {
    max-width: 27rem;
    margin: 0;
    color: var(--ink-soft);
    font-size: 0.92rem;
}

.editorial-section,
.intelligence-section,
.references-section,
.profile-section,
.group-section,
.contact-section {
    padding-block: var(--section-space);
}

.section-heading-grid {
    display: grid;
    gap: 2.4rem;
}

.section-heading-grid > *,
.profile-grid > *,
.contact-grid > *,
.capability-row > * {
    min-width: 0;
}

.section-heading-grid h2 {
    max-width: 14ch;
}

.section-lead {
    max-width: 49rem;
    margin: 0;
    color: var(--ink-soft);
    font-size: 1.05rem;
}

.capability-list {
    margin-top: 4.5rem;
    border-top: 1px solid var(--line-strong);
}

.capability-row {
    display: grid;
    grid-template-columns: 2.4rem 1fr auto;
    gap: 1rem;
    align-items: baseline;
    padding-block: 1.8rem;
    border-bottom: 1px solid var(--line);
}

.capability-row h3,
.capability-row p {
    margin: 0;
}

.capability-row p {
    grid-column: 2 / -1;
    color: var(--ink-soft);
}

.capability-mark {
    color: var(--gold-deep);
    font-size: 1.25rem;
}

.intelligence-section {
    border-block: 1px solid var(--line);
    background: var(--paper-raised);
}

.intelligence-grid {
    display: grid;
    margin-top: 4rem;
    border-top: 1px solid var(--line-strong);
}

.intelligence-card {
    min-width: 0;
    padding-block: 2rem;
    border-bottom: 1px solid var(--line);
}

.intelligence-card > span,
.group-index {
    color: var(--gold-deep);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.14em;
}

.intelligence-card h3 {
    max-width: 18ch;
    margin: 2.6rem 0 1rem;
    font-size: clamp(1.65rem, 7vw, 2.15rem);
}

.intelligence-card p {
    max-width: 34rem;
    margin: 0;
    color: var(--ink-soft);
}

.intelligence-note {
    display: grid;
    gap: 1rem;
    margin-top: 2.5rem;
    padding: 1.5rem;
    border: 1px solid var(--line);
}

.intelligence-note span {
    color: var(--gold-deep);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.intelligence-note p {
    max-width: 58rem;
    margin: 0;
    color: var(--ink-soft);
}

.references-section {
    padding-block: var(--section-space);
    border-top: 1px solid var(--line);
}

.reference-grid {
    display: grid;
    margin-top: 4.5rem;
    border-top: 1px solid var(--line-strong);
}

.reference-item {
    display: grid;
    grid-template-rows: auto auto 1fr;
    align-content: start;
    min-width: 0;
    padding-block: 2rem;
    border-bottom: 1px solid var(--line);
}

.reference-item > span {
    color: var(--gold-deep);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.reference-item h3 {
    margin: 2.4rem 0 1rem;
    font-size: clamp(1.6rem, 6vw, 2.1rem);
}

.reference-item p {
    max-width: 31rem;
    margin: 0;
    color: var(--ink-soft);
}

.references-note {
    margin-top: 1.5rem;
    color: var(--ink-soft);
    font-size: 0.76rem;
}

.process-section {
    padding-block: var(--section-space);
    background: var(--anthracite-deep);
    color: var(--white);
}

.process-section .eyebrow,
.process-section .section-lead {
    color: #b9bbb7;
}

.process-list {
    display: grid;
    margin: 4.5rem 0 0;
    padding: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.24);
    list-style: none;
}

.process-list li {
    min-height: 13rem;
    padding: 1.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.process-list strong {
    display: block;
    margin: 2.5rem 0 0.7rem;
    font-family: var(--display);
    font-size: 1.4rem;
    font-weight: 400;
}

.process-list p {
    max-width: 26rem;
    margin: 0;
    color: #adafac;
    font-size: 0.88rem;
}

.profile-grid {
    display: grid;
    gap: 3rem;
}

.profile-statement h2 {
    max-width: 13ch;
    margin-top: 2rem;
}

.profile-copy > p {
    margin: 0 0 1.5rem;
    color: var(--ink-soft);
    font-size: 1.05rem;
}

.profile-copy blockquote {
    margin: 3rem 0 0;
    padding-left: 1.4rem;
    border-left: 2px solid var(--gold);
    font-family: var(--display);
    font-size: 1.65rem;
    line-height: 1.28;
}

.profile-principles {
    display: grid;
    margin-top: 5rem;
    border-top: 1px solid var(--line-strong);
    border-bottom: 1px solid var(--line-strong);
}

.profile-principles span {
    padding: 1.3rem 0;
    border-bottom: 1px solid var(--line);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.profile-principles span:last-child {
    border-bottom: 0;
}

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

.group-entities {
    display: grid;
    margin-top: 4.5rem;
    border-top: 1px solid var(--line-strong);
}

.group-entity {
    min-width: 0;
    padding-block: 2rem;
    border-bottom: 1px solid var(--line);
}

.group-entity h3 {
    max-width: 24ch;
    margin: 2.4rem 0 1.25rem;
    font-size: clamp(1.45rem, 6vw, 2rem);
    overflow-wrap: anywhere;
}

.group-entity strong {
    display: block;
    max-width: 29rem;
    margin-bottom: 0.8rem;
    font-size: 0.82rem;
    letter-spacing: 0.035em;
    line-height: 1.5;
    text-transform: uppercase;
}

.group-entity p {
    max-width: 31rem;
    margin: 0;
    color: var(--ink-soft);
}

.contact-section {
    border-top: 1px solid var(--line);
    background: var(--paper-raised);
}

.contact-grid {
    display: grid;
    gap: 4.5rem;
}

.contact-intro h2 {
    max-width: 12ch;
    margin-top: 2rem;
}

.contact-intro > p:not(.eyebrow) {
    max-width: 38rem;
    color: var(--ink-soft);
}

.contact-details {
    margin: 3rem 0 0;
}

.contact-details div {
    display: grid;
    gap: 0.3rem;
    padding-block: 1rem;
    border-top: 1px solid var(--line);
}

.contact-details dt {
    color: var(--ink-soft);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.contact-details dd {
    margin: 0;
}

.contact-form {
    padding: 1.35rem;
    border: 1px solid var(--line-strong);
    background: var(--paper);
}

.form-field {
    margin-bottom: 1.5rem;
}

.form-field label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--ink-soft);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.form-field input,
.form-field textarea {
    width: 100%;
    border: 0;
    border-bottom: 1px solid var(--line-strong);
    border-radius: 0;
    background: transparent;
    color: var(--ink);
}

.form-field input {
    min-height: 3.25rem;
    padding: 0.6rem 0;
}

.form-field textarea {
    min-height: 11rem;
    padding: 0.8rem 0;
    resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus {
    border-color: var(--gold-deep);
    outline: 0;
}

.field-hint,
.form-footer p {
    color: var(--ink-soft);
    font-size: 0.77rem;
}

.field-hint {
    margin: 0.65rem 0 0;
}

.form-footer {
    display: flex;
    flex-direction: column;
    gap: 1.3rem;
    align-items: stretch;
    margin-top: 2rem;
}

.form-footer p {
    margin: 0;
}

.honeypot {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-status {
    display: none;
    margin-top: 1.5rem;
    padding: 1rem 1.2rem;
    border-left: 3px solid var(--success);
    background: color-mix(in srgb, var(--success) 9%, transparent);
}

.form-status.show {
    display: block;
}

.form-status.error {
    border-color: var(--error);
    background: color-mix(in srgb, var(--error) 9%, transparent);
    color: var(--error);
}

.site-footer {
    padding-block: 4.5rem 2rem;
    background: var(--anthracite-deep);
    color: #f0eee8;
}

.footer-grid {
    display: grid;
    gap: 3rem;
}

.footer-brand img {
    max-width: 16rem;
}

.footer-brand p {
    max-width: 28rem;
    margin: 1.7rem 0 0;
    color: #adafac;
}

.footer-address strong {
    font-family: var(--display);
    font-size: 1.15rem;
    font-weight: 400;
}

.footer-address address {
    margin-top: 1rem;
    color: #adafac;
    font-style: normal;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    align-items: flex-start;
}

.footer-links button {
    padding: 0;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
    margin-top: 4rem;
    padding-top: 1.4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    color: #8f918e;
    font-size: 0.74rem;
}

.footer-bottom a {
    color: #d7d4cc;
    text-decoration: none;
}

.legal-dialog {
    width: min(42rem, calc(100% - 2rem));
    max-height: calc(100svh - 2rem);
    padding: 0;
    border: 0;
    background: var(--paper-raised);
    color: var(--ink);
}

.legal-dialog::backdrop {
    background: rgba(20, 20, 20, 0.72);
    backdrop-filter: blur(4px);
}

.dialog-inner {
    position: relative;
    padding: 2.2rem 1.5rem;
}

.dialog-inner h2 {
    font-size: 2.6rem;
}

.dialog-inner p {
    color: var(--ink-soft);
    white-space: pre-line;
}

.dialog-close,
.whatsapp-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.8rem;
    line-height: 1;
}

.whatsapp-widget {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    z-index: 1200;
}

.whatsapp-trigger {
    position: relative;
    display: grid;
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background: #25d366;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.15);
    place-items: center;
}

.whatsapp-trigger::before {
    position: absolute;
    inset: -0.45rem;
    border: 2px solid rgba(37, 211, 102, 0.5);
    border-radius: 50%;
    content: "";
    animation: whatsapp-pulse 2.4s ease-out infinite;
}

.whatsapp-trigger::after {
    position: absolute;
    top: 0.25rem;
    right: 0.25rem;
    width: 0.625rem;
    height: 0.625rem;
    border-radius: 50%;
    background: #f00;
    content: "";
}

.whatsapp-trigger img {
    width: 2rem;
    height: 2rem;
    filter: brightness(0) invert(1);
}

.whatsapp-panel {
    position: absolute;
    right: 0;
    bottom: 4.75rem;
    width: min(22.5rem, calc(100vw - 2.5rem));
    overflow: hidden;
    border-radius: 1rem;
    background: transparent;
    color: #292a29;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    margin-bottom: 0;
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity 300ms ease, margin 300ms ease, visibility 300ms ease;
}

.whatsapp-panel.is-open {
    margin-bottom: 1.25rem;
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
}

.whatsapp-heading {
    display: flex;
    gap: 0.9rem;
    align-items: center;
    min-height: 5.8125rem;
    padding: 1.25rem 3.5rem 1.25rem 1.25rem;
    background: #008069;
    color: #fff;
}

.whatsapp-avatar {
    position: relative;
    flex: 0 0 3.25rem;
    width: 3.25rem;
    height: 3.25rem;
    overflow: visible;
    border-radius: 50%;
    background: #d2d2d2;
    box-shadow: inset 0 0 2px rgba(17, 17, 17, 0.1);
}

.whatsapp-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.whatsapp-avatar > span {
    position: absolute;
    right: -0.05rem;
    bottom: -0.05rem;
    width: 0.65rem;
    height: 0.65rem;
    border: 2px solid #008069;
    border-radius: 50%;
    background: #4ad504;
}

.whatsapp-heading strong,
.whatsapp-heading span {
    display: block;
}

.whatsapp-heading span {
    color: #fff;
    font-size: 0.8125rem;
    line-height: 1.125rem;
}

.whatsapp-close {
    top: 0.45rem;
    right: 0.35rem;
    z-index: 1;
    color: #fff;
    font-size: 1.35rem;
    opacity: 0.45;
}

.whatsapp-conversation {
    min-height: 13.625rem;
    padding: 0.625rem 1.25rem 1.25rem;
    background: #e6ddd4 url("../img/backgrounds/background-whatsapp.jpg") center / cover;
}

.whatsapp-time {
    display: block;
    min-height: 1.5rem;
    color: #6d706e;
    font-size: 0.625rem;
    line-height: 1rem;
    text-align: center;
}

.whatsapp-message {
    position: relative;
    width: max-content;
    max-width: 84%;
    margin: 0;
    padding: 0.375rem 0.875rem;
    border-radius: 0 1rem 1rem;
    background: #fff;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15);
    color: #111;
    font-size: 0.9375rem;
    line-height: 1.3;
    opacity: 0;
    visibility: hidden;
    white-space: pre-line;
    transition: opacity 180ms ease;
}

.whatsapp-message::before {
    position: absolute;
    top: 0;
    right: 100%;
    border-top: 1.05rem solid #fff;
    border-left: 0.55rem solid transparent;
    content: "";
}

.whatsapp-conversation.message-ready .whatsapp-message {
    opacity: 1;
    visibility: visible;
}

.whatsapp-typing {
    position: absolute;
    display: flex;
    gap: 0.24rem;
    align-items: center;
    width: 3.3125rem;
    height: 2rem;
    padding: 0 0.7rem;
    border-radius: 0 1rem 1rem;
    background: #fff;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
}

.whatsapp-typing::before {
    position: absolute;
    top: 0;
    right: 100%;
    border-top: 1.05rem solid #fff;
    border-left: 0.55rem solid transparent;
    content: "";
}

.whatsapp-conversation.is-typing .whatsapp-typing {
    opacity: 1;
    visibility: visible;
}

.whatsapp-typing span {
    width: 0.38rem;
    height: 0.38rem;
    border-radius: 50%;
    background: #9b9d9c;
    animation: whatsapp-typing 900ms ease-in-out infinite;
}

.whatsapp-typing span:nth-child(2) {
    animation-delay: 150ms;
}

.whatsapp-typing span:nth-child(3) {
    animation-delay: 300ms;
}

.whatsapp-link {
    gap: 0.6rem;
    width: min(18.75rem, 100%);
    min-height: 3rem;
    margin: 1.25rem auto 0;
    padding: 0 1rem;
    border-radius: 1.5rem;
    background: #25d366;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
    color: #fff;
    font-size: 1rem;
    letter-spacing: 0;
    text-transform: none;
}

.whatsapp-link img {
    width: 1.35rem;
    height: 1.35rem;
    filter: brightness(0) invert(1);
}

@keyframes whatsapp-pulse {
    0% {
        opacity: 0.8;
        transform: scale(0.86);
    }

    70%,
    100% {
        opacity: 0;
        transform: scale(1.18);
    }
}

@keyframes whatsapp-typing {
    0%,
    60%,
    100% {
        opacity: 0.45;
        transform: translateY(0);
    }

    30% {
        opacity: 1;
        transform: translateY(-0.22rem);
    }
}

/* Tablet enhancements */
@media (min-width: 48rem) {
    :root {
        --gutter: 3rem;
        --section-space: 7.5rem;
    }

    h1 {
        font-size: clamp(4rem, 8vw, 5rem);
    }

    h2 {
        font-size: clamp(3.4rem, 7vw, 5rem);
    }

    .brand {
        width: 15rem;
    }

    .hero {
        padding-block: 6.5rem 7.5rem;
    }

    .hero-actions {
        flex-direction: row;
        gap: 1.5rem 2.4rem;
        align-items: center;
    }

    .architecture-frame {
        max-width: 42rem;
        margin-left: auto;
        aspect-ratio: 1 / 1.03;
    }

    .architecture-panel {
        padding: 1.5rem;
    }

    .architecture-panel strong {
        font-size: 1.45rem;
    }

    .proof-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .proof-item {
        min-height: 13rem;
        padding: 2.5rem 2rem 2.5rem 0;
        border-bottom: 0;
    }

    .proof-item + .proof-item {
        padding-left: 2rem;
        border-left: 1px solid var(--line);
    }

    .capability-row {
        grid-template-columns: 3.5rem minmax(0, 1fr) auto;
        gap: 1.4rem;
        padding-block: 2rem;
    }

    .capability-row p {
        grid-column: 2 / -1;
    }

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

    .process-list li {
        min-height: 16rem;
        padding: 2rem;
    }

    .process-list li:nth-child(even) {
        border-left: 1px solid rgba(255, 255, 255, 0.18);
    }

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

    .profile-principles span {
        padding: 1.7rem;
    }

    .profile-principles span:nth-child(even) {
        border-left: 1px solid var(--line);
    }

    .intelligence-grid,
    .group-entities,
    .reference-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .intelligence-card,
    .group-entity,
    .reference-item {
        padding: 2.4rem;
    }

    .reference-item h3 {
        min-block-size: 2.3em;
    }

    .intelligence-card:nth-child(even),
    .group-entity:nth-child(even),
    .reference-item:nth-child(even) {
        border-left: 1px solid var(--line);
    }

    .intelligence-card:last-child,
    .group-entity:last-child {
        grid-column: 1 / -1;
    }

    .intelligence-note {
        grid-template-columns: 10rem minmax(0, 1fr);
        gap: 2rem;
        padding: 2rem 2.4rem;
    }

    .contact-details div {
        grid-template-columns: 7rem 1fr;
        gap: 1rem;
    }

    .contact-form {
        padding: 2.6rem;
    }

    .form-row.two-columns {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .form-footer {
        flex-direction: row;
        gap: 2rem;
        align-items: center;
        justify-content: space-between;
    }

    .form-footer p {
        max-width: 27rem;
    }

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

    .footer-links {
        grid-column: 1 / -1;
        flex-direction: row;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }

    .dialog-inner {
        padding: 4rem;
    }
}

/* Desktop composition and generous horizontal rhythm */
@media (min-width: 80rem) {
    :root {
        --gutter: 6vw;
        --section-space: 9rem;
        --header-height: 6rem;
    }

    h1 {
        font-size: clamp(4rem, 5vw, 5.5rem);
    }

    h2 {
        font-size: clamp(3.25rem, 4vw, 4.5rem);
    }

    .contact-intro h2 {
        font-size: clamp(2.6rem, 3vw, 3.5rem);
    }

    .header-inner {
        grid-template-columns: minmax(12rem, 1fr) auto auto;
        gap: clamp(2rem, 3.8vw, 5rem);
    }

    .brand {
        width: clamp(15rem, 18vw, 19.5rem);
    }

    .menu-toggle {
        display: none;
    }

    .primary-navigation,
    .primary-navigation.is-open {
        position: static;
        display: flex;
        flex-direction: row;
        gap: clamp(1.4rem, 2vw, 2.6rem);
        padding: 0;
        background: transparent;
    }

    .primary-navigation a {
        position: relative;
        padding: 0;
        border: 0;
    }

    .primary-navigation a::after {
        position: absolute;
        right: 100%;
        bottom: -0.65rem;
        left: 0;
        height: 1px;
        background: var(--gold);
        content: "";
        transition: right var(--ease);
    }

    .primary-navigation a:hover::after,
    .primary-navigation a:focus-visible::after {
        right: 0;
    }

    .header-actions,
    .header-actions.is-open {
        position: static;
        display: flex;
        gap: clamp(0.8rem, 1.3vw, 1.7rem);
        align-items: center;
        min-height: 0;
        padding: 0;
        border: 0;
        background: transparent;
    }

    .header-cta {
        display: inline-flex;
    }

    .hero {
        min-height: calc(100svh - var(--header-height));
        padding-block: clamp(6.5rem, 8vw, 9rem);
    }

    .hero::before {
        background-size: 12.5% 100%;
    }

    .hero-grid {
        grid-template-columns: minmax(0, 1.08fr) minmax(23rem, 0.92fr);
        gap: clamp(5rem, 8vw, 10rem);
        align-items: center;
    }

    .hero-intro {
        font-size: 1.2rem;
    }

    .architecture-frame {
        margin: 0;
    }

    .section-heading-grid {
        grid-template-columns: minmax(10rem, 0.38fr) minmax(0, 1fr);
        gap: clamp(5rem, 8vw, 10rem);
    }

    .capability-row {
        grid-template-columns: 3.5rem minmax(17rem, 0.9fr) minmax(0, 1fr) auto;
        gap: 1.8rem;
    }

    .capability-row p {
        grid-column: auto;
    }

    .section-lead {
        font-size: 1.22rem;
    }

    .capability-list {
        margin-top: 7rem;
    }

    .process-list {
        grid-template-columns: repeat(3, 1fr);
        margin-top: 6rem;
    }

    .process-list li:nth-child(3n + 2),
    .process-list li:nth-child(3n + 3) {
        border-left: 1px solid rgba(255, 255, 255, 0.18);
    }

    .profile-grid {
        grid-template-columns: minmax(0, 1.08fr) minmax(24rem, 0.92fr);
        gap: clamp(6rem, 10vw, 13rem);
    }

    .profile-copy {
        padding-top: 4rem;
    }

    .profile-copy > p {
        font-size: 1.18rem;
    }

    .profile-copy blockquote {
        margin-top: 4rem;
        font-size: 2.25rem;
    }

    .profile-principles {
        grid-template-columns: repeat(4, 1fr);
        margin-top: 8rem;
    }

    .profile-principles span,
    .profile-principles span:nth-child(even) {
        padding: 2rem;
        border-bottom: 0;
        border-left: 1px solid var(--line);
    }

    .profile-principles span:first-child {
        padding-left: 0;
        border-left: 0;
    }

    .intelligence-grid,
    .group-entities,
    .reference-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        margin-top: 6rem;
    }

    .intelligence-card,
    .group-entity,
    .reference-item,
    .intelligence-card:last-child,
    .group-entity:last-child {
        grid-column: auto;
        min-height: 24rem;
        padding: 2.5rem 2.5rem 3rem;
        border-bottom: 1px solid var(--line);
        border-left: 1px solid var(--line);
    }

    .intelligence-card:first-child,
    .group-entity:first-child,
    .reference-item:nth-child(3n + 1) {
        padding-left: 0;
        border-left: 0;
    }

    .intelligence-note {
        margin-top: 3rem;
    }

    .contact-grid {
        grid-template-columns: minmax(20rem, 0.75fr) minmax(32rem, 1.25fr);
        gap: clamp(6rem, 10vw, 13rem);
    }

    .contact-form {
        padding: clamp(3rem, 4vw, 4.5rem);
    }

    .footer-grid {
        grid-template-columns: 1.2fr 0.8fr 0.5fr;
        gap: clamp(4rem, 7vw, 9rem);
    }

    .footer-links {
        grid-column: auto;
        flex-direction: column;
        gap: 0.9rem;
    }

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

/* Wide enterprise layout */
@media (min-width: 90rem) {
    :root {
        --gutter: clamp(7rem, 7.3vw, 8.75rem);
        --section-space: clamp(9rem, 10vw, 11.5rem);
    }

    h1 {
        font-size: clamp(4.75rem, 4.5vw, 5.5rem);
    }

    h2 {
        font-size: clamp(3.75rem, 4vw, 4.75rem);
    }

    .hero-grid {
        gap: clamp(8rem, 10vw, 12rem);
    }

    .proof-item {
        padding: 2.8rem 4.5rem 2.8rem 0;
    }

    .proof-item + .proof-item {
        padding-left: 4.5rem;
    }

}

@media (min-width: 120rem) {
    .process-list {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }

    .process-list li {
        min-height: 19rem;
        padding: 2.4rem 2rem;
    }

    .process-list li + li {
        border-left: 1px solid rgba(255, 255, 255, 0.18);
    }

    .process-list strong {
        font-size: 1.3rem;
        overflow-wrap: anywhere;
    }
}

/* Keep the chat controls reachable on short landscape phone viewports. */
@media (max-height: 32rem) and (max-width: 79.999rem) {
    .whatsapp-panel {
        position: fixed;
        top: max(0.75rem, env(safe-area-inset-top));
        right: max(0.75rem, env(safe-area-inset-right));
        bottom: auto;
        width: min(22.5rem, calc(100vw - 1.5rem));
        max-height: calc(100dvh - 1.5rem);
        overflow-y: auto;
    }

    .whatsapp-panel.is-open {
        margin-bottom: 0;
    }

    .whatsapp-heading {
        min-height: 4.75rem;
        padding: 0.75rem 3.25rem 0.75rem 1rem;
    }

    .whatsapp-conversation {
        min-height: 0;
        padding: 0.5rem 1rem 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }

    .whatsapp-typing {
        display: none;
    }
}