:root {
    --premia-yellow: #ffc942;
    --premia-yellow-soft: #ffe8a3;
    --premia-black: #090909;
    --premia-cream: #fff7df;
    --premia-cream-deep: #f4ead2;
    --premia-white: #fffef8;
    --premia-gray: #6d6a60;
    --premia-line: #ded4ba;
    --premia-mint: #b9ead6;
    --premia-coral: #ff7d67;
    --premia-blue: #5f8dff;
    --card-radius: 8px;
    --container: min(1160px, calc(100% - 40px));
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    font-family: "Segoe UI", Aptos, Arial, sans-serif;
    color: var(--premia-black);
    background: var(--premia-cream);
}

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

a:hover {
    color: inherit;
}

img {
    max-width: 100%;
}

button,
input,
textarea,
select {
    font: inherit;
}

.page-shell {
    min-height: 100vh;
    overflow: hidden;
    background:
        linear-gradient(90deg, rgba(9, 9, 9, 0.05) 1px, transparent 1px),
        linear-gradient(180deg, var(--premia-cream) 0%, var(--premia-white) 48%, var(--premia-cream) 100%);
    background-size: 72px 72px, auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px max(20px, calc((100vw - 1160px) / 2));
    border-bottom: 1px solid rgba(9, 9, 9, 0.12);
    background: rgba(255, 247, 223, 0.94);
    backdrop-filter: blur(14px);
}

.brand-lockup {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    line-height: 1;
    min-width: max-content;
}

.brand-symbol {
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 2px solid var(--premia-black);
    border-radius: 8px;
    background: var(--premia-yellow);
}

.brand-symbol img {
    display: block;
    width: 32px;
    height: 32px;
    object-fit: contain;
    object-position: center;
}

.brand-word {
    min-height: 44px;
    display: grid;
    align-content: center;
    gap: 4px;
}

.brand-word strong,
.brand-word small {
    display: block;
}

.brand-word strong {
    font-size: 1.12rem;
    font-weight: 900;
    line-height: 1;
}

.brand-word small {
    color: var(--premia-gray);
    font-size: 0.76rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.nav-links a {
    padding: 10px 12px;
    border-radius: 8px;
    color: #3b382f;
    font-size: 0.92rem;
    font-weight: 800;
}

.nav-links a:hover {
    background: rgba(9, 9, 9, 0.08);
}

.header-cta,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 18px;
    border-radius: 8px;
    font-weight: 900;
    transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, color 160ms ease;
}

.header-cta,
.button-primary {
    color: var(--premia-yellow);
    background: var(--premia-black);
    box-shadow: 0 10px 0 rgba(9, 9, 9, 0.12);
}

.button-secondary {
    color: var(--premia-black);
    border: 2px solid var(--premia-black);
    background: transparent;
}

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

.header-cta:hover,
.header-cta:focus-visible,
.button.button-primary:hover,
.button.button-primary:focus-visible {
    color: var(--premia-yellow);
    background: var(--premia-black);
}

.header-cta:focus-visible,
.button:focus-visible {
    outline: 3px solid var(--premia-blue);
    outline-offset: 3px;
}

.hero-section {
    min-height: calc(100svh - 82px);
    display: flex;
    align-items: center;
    padding: 66px 0 52px;
}

.hero-content {
    width: var(--container);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.8fr);
    gap: 72px;
    align-items: center;
}

.hero-content > *,
.interface-section > *,
.contact-section > * {
    min-width: 0;
}

.kicker {
    width: fit-content;
    margin: 0 0 18px;
    padding: 7px 10px;
    border: 1px solid var(--premia-black);
    border-radius: 8px;
    color: var(--premia-black);
    background: var(--premia-yellow);
    font-size: 0.76rem;
    font-weight: 900;
    text-transform: uppercase;
}

.hero-copy h1,
.section-intro h2,
.interface-copy h2,
.contact-copy h2 {
    margin: 0;
    font-weight: 950;
    letter-spacing: 0;
    line-height: 1;
}

.hero-copy h1 {
    max-width: 840px;
    font-size: 5.8rem;
}

.hero-lead {
    max-width: 680px;
    margin: 26px 0 0;
    color: #343127;
    font-size: 1.22rem;
    line-height: 1.62;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.hero-proof {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin: 42px 0 0;
    border: 2px solid var(--premia-black);
    background: var(--premia-white);
}

.hero-proof div {
    min-height: 112px;
    padding: 18px;
}

.hero-proof div + div {
    border-left: 2px solid var(--premia-black);
}

.hero-proof dt {
    font-weight: 900;
}

.hero-proof dd {
    margin: 8px 0 0;
    color: var(--premia-gray);
    line-height: 1.45;
}

.hero-brand {
    display: grid;
    gap: 20px;
    justify-items: center;
}

.brand-stage {
    width: min(420px, 100%);
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    border: 3px solid var(--premia-black);
    border-radius: 8px;
    background: var(--premia-yellow);
    box-shadow: 18px 18px 0 var(--premia-black);
}

.hero-mark-lockup {
    width: min(360px, 86%);
    display: grid;
    place-items: center;
}

.hero-mark-lockup img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 280px;
    object-fit: contain;
    object-position: center;
}

.brand-note {
    width: min(420px, 100%);
    display: flex;
    justify-content: space-between;
    gap: 18px;
    padding: 16px 0 0;
    border-top: 2px solid var(--premia-black);
}

.brand-note span,
.brand-note strong {
    display: block;
}

.brand-note span {
    color: var(--premia-gray);
    font-weight: 800;
}

.brand-note strong {
    max-width: 170px;
    text-align: right;
    line-height: 1.2;
}

.section {
    padding: 88px 0;
}

.section-intro,
.product-explainer,
.interface-section,
.contact-section,
.thank-you-page,
.site-footer {
    width: var(--container);
    margin: 0 auto;
}

.section-intro {
    max-width: 860px;
}

.section-intro.narrow {
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-intro.narrow .kicker {
    margin-left: auto;
    margin-right: auto;
}

.section-intro h2,
.interface-copy h2,
.contact-copy h2 {
    font-size: 4rem;
}

.section-intro p,
.interface-copy p,
.contact-copy p {
    max-width: 720px;
    margin: 18px 0 0;
    color: var(--premia-gray);
    font-size: 1.08rem;
    line-height: 1.68;
}

.section-intro.narrow p {
    margin-left: auto;
    margin-right: auto;
}

.text-link {
    display: inline-flex;
    margin-top: 22px;
    color: var(--premia-black);
    font-weight: 900;
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 5px;
}

.product-explainer-section {
    padding-top: 72px;
    padding-bottom: 72px;
    border-top: 2px solid var(--premia-black);
    border-bottom: 2px solid var(--premia-black);
    background: var(--premia-white);
}

.product-explainer {
    display: grid;
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.18fr);
    gap: 42px;
    align-items: stretch;
}

.product-explainer > * {
    min-width: 0;
}

.product-explainer-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-explainer-copy h2 {
    margin: 0;
    font-size: 3.45rem;
    font-weight: 950;
    letter-spacing: 0;
    line-height: 1;
}

.product-explainer-copy p {
    max-width: 620px;
    margin: 18px 0 0;
    color: var(--premia-gray);
    font-size: 1.06rem;
    line-height: 1.68;
}

.product-note {
    padding: 18px 0 0;
    border-top: 2px solid var(--premia-black);
    color: var(--premia-black) !important;
    font-weight: 800;
}

.product-flow-mockup {
    min-height: 450px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 2px solid var(--premia-black);
    border-radius: var(--card-radius);
    background: var(--premia-cream);
    box-shadow: 14px 14px 0 rgba(9, 9, 9, 0.92);
    overflow: hidden;
}

.mockup-header,
.mockup-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 20px;
}

.mockup-header {
    border-bottom: 2px solid var(--premia-black);
    background: var(--premia-yellow);
}

.mockup-header span,
.mockup-summary span {
    color: #3b382f;
    font-size: 0.76rem;
    font-weight: 900;
    text-transform: uppercase;
}

.mockup-header strong {
    text-align: right;
    font-size: 0.92rem;
}

.journey-flow {
    display: grid;
    gap: 22px;
    padding: 22px;
}

.journey-track {
    display: grid;
    grid-template-columns: minmax(112px, 1fr) 20px minmax(112px, 1fr) 20px minmax(136px, 1.14fr) 20px minmax(112px, 1fr);
    gap: 8px;
    align-items: center;
}

.journey-point {
    min-width: 0;
    min-height: 86px;
    display: grid;
    align-content: center;
    gap: 8px;
    padding: 16px;
    border: 2px solid var(--premia-black);
    border-radius: var(--card-radius);
    background: var(--premia-white);
}

.journey-point span,
.journey-explainer span {
    color: #4d4a40;
    font-size: 0.76rem;
    font-weight: 900;
    text-transform: uppercase;
}

.journey-point strong {
    display: block;
    white-space: nowrap;
    color: var(--premia-black);
    font-size: 1rem;
    font-weight: 950;
    letter-spacing: 0;
}

.reward-point {
    background: var(--premia-yellow);
}

.journey-arrow {
    display: grid;
    place-items: center;
    color: var(--premia-black);
    font-size: 1rem;
    font-weight: 950;
}

.journey-explainer {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border: 2px solid var(--premia-black);
    border-radius: var(--card-radius);
    background: var(--premia-white);
    overflow: hidden;
}

.journey-explainer article {
    min-width: 0;
    padding: 22px;
}

.journey-explainer article + article {
    border-left: 2px solid var(--premia-black);
}

.journey-explainer h3 {
    margin: 22px 0 0;
    color: var(--premia-black);
    font-size: 1.25rem;
    font-weight: 950;
    letter-spacing: 0;
    line-height: 1.16;
}

.journey-explainer p {
    margin: 10px 0 0;
    color: var(--premia-gray);
    line-height: 1.55;
}

.journey-explainer .reward-panel {
    background: var(--premia-yellow-soft);
}

.mockup-summary {
    border-top: 2px solid var(--premia-black);
    background: var(--premia-yellow-soft);
}

.mockup-summary div {
    min-width: 0;
}

.mockup-summary span {
    display: block;
    color: #4d4a40;
}

.mockup-summary strong {
    display: block;
    margin-top: 5px;
    color: var(--premia-black);
    font-size: 1.02rem;
}

.evidence-grid {
    width: var(--container);
    margin: 42px auto 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border: 2px solid var(--premia-black);
    background: var(--premia-white);
}

.benefits-section {
    background: var(--premia-cream);
}

.benefits-grid {
    width: var(--container);
    margin: 42px auto 0;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    border: 2px solid var(--premia-black);
    background: var(--premia-white);
}

.benefits-grid article {
    min-width: 0;
    min-height: 270px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 22px;
}

.benefits-grid article + article {
    border-left: 2px solid var(--premia-black);
}

.benefits-grid span {
    display: inline-grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    color: var(--premia-black);
    background: var(--premia-yellow);
    font-size: 0.85rem;
    font-weight: 950;
}

.benefits-grid h3 {
    margin: 38px 0 0;
    color: var(--premia-black);
    font-size: 1.22rem;
    font-weight: 950;
    letter-spacing: 0;
    line-height: 1.12;
}

.benefits-grid p {
    margin: 12px 0 0;
    color: var(--premia-gray);
    line-height: 1.55;
}

.evidence-card {
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 28px;
}

.evidence-card + .evidence-card {
    border-left: 2px solid var(--premia-black);
}

.evidence-card span,
.flow-index {
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    color: var(--premia-yellow);
    background: var(--premia-black);
    font-weight: 950;
}

.evidence-card h3,
.product-flow h3,
.interface-item h3,
.faq-list h3 {
    margin: 0;
    font-size: 1.45rem;
    font-weight: 900;
    letter-spacing: 0;
    line-height: 1.12;
}

.evidence-card p,
.product-flow p,
.interface-item p,
.faq-list p {
    margin: 12px 0 0;
    color: var(--premia-gray);
    line-height: 1.6;
}

.system-section {
    background: var(--premia-black);
    color: var(--premia-cream);
}

.system-section .kicker {
    color: var(--premia-black);
}

.system-section .section-intro p,
.system-section .product-flow p {
    color: #c9bea4;
}

.product-flow {
    width: var(--container);
    margin: 46px auto 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 2px solid rgba(255, 247, 223, 0.32);
    border-bottom: 2px solid rgba(255, 247, 223, 0.32);
}

.product-flow article {
    min-height: 310px;
    padding: 26px;
}

.product-flow article + article {
    border-left: 2px solid rgba(255, 247, 223, 0.32);
}

.product-flow .flow-index {
    color: var(--premia-black);
    background: var(--premia-yellow);
}

.product-flow h3 {
    margin-top: 92px;
    color: var(--premia-yellow);
}

.interface-section {
    display: grid;
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1fr);
    gap: 54px;
    align-items: start;
}

.interface-copy {
    position: sticky;
    top: 108px;
}

.interface-strip {
    display: grid;
    gap: 16px;
}

.interface-item {
    position: relative;
    min-height: 178px;
    padding: 26px 26px 26px 34px;
    border: 2px solid var(--premia-black);
    border-radius: var(--card-radius);
    background: var(--premia-white);
}

.interface-item::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 12px;
    background: var(--accent-color);
}

.interface-item span {
    display: block;
    margin-bottom: 34px;
    color: var(--premia-gray);
    font-size: 0.8rem;
    font-weight: 900;
    text-transform: uppercase;
}

.accent-mint {
    --accent-color: var(--premia-mint);
}

.accent-coral {
    --accent-color: var(--premia-coral);
}

.accent-blue {
    --accent-color: var(--premia-blue);
}

.faq-section {
    background: var(--premia-white);
}

.faq-list {
    width: var(--container);
    margin: 42px auto 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.faq-list article {
    min-height: 190px;
    padding: 26px;
    border: 1px solid var(--premia-line);
    border-radius: var(--card-radius);
    background: #fffdf4;
}

.contact-section {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(340px, 460px);
    gap: 52px;
    align-items: start;
    padding-top: 72px;
    padding-bottom: 72px;
}

.conversion-list {
    max-width: 640px;
    display: grid;
    gap: 10px;
    margin: 26px 0 0;
    padding: 0;
    list-style: none;
}

.conversion-list li {
    position: relative;
    padding-left: 26px;
    color: #343127;
    font-weight: 800;
    line-height: 1.5;
}

.conversion-list li::before {
    content: "";
    position: absolute;
    top: 0.62em;
    left: 0;
    width: 10px;
    height: 10px;
    border: 2px solid var(--premia-black);
    border-radius: 50%;
    background: var(--premia-yellow);
}

.whatsapp-contact-button {
    margin-top: 32px;
    min-width: min(100%, 360px);
    gap: 12px;
    padding-right: 24px;
    padding-left: 24px;
}

.whatsapp-contact-badge {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    padding: 0 9px;
    border-radius: 999px;
    color: var(--premia-black);
    background: #25d366;
    font-size: 0.72rem;
    font-weight: 950;
    line-height: 1;
    text-transform: uppercase;
}

.lead-form-card {
    padding: 26px;
    border: 2px solid var(--premia-black);
    border-radius: var(--card-radius);
    background: var(--premia-white);
    box-shadow: 14px 14px 0 rgba(9, 9, 9, 0.92);
}

.form-brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--premia-black);
}

.form-brand img {
    width: 106px;
    height: auto;
}

.form-brand span {
    color: var(--premia-gray);
    font-size: 0.76rem;
    font-weight: 900;
    text-align: right;
    text-transform: uppercase;
}

.lead-form {
    display: grid;
    gap: 16px;
    margin-top: 22px;
}

.form-field {
    display: grid;
    gap: 8px;
    margin: 0;
}

.form-field > label {
    color: #3b382f;
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0;
    text-transform: uppercase;
}

.form-field input,
.form-field select {
    width: 100%;
    min-height: 48px;
    padding: 0 14px;
    border: 2px solid var(--premia-black);
    border-radius: 8px;
    color: var(--premia-black);
    background: var(--premia-cream);
}

.form-field input:focus,
.form-field select:focus {
    outline: 3px solid var(--premia-yellow-soft);
    outline-offset: 2px;
}

.validation-message {
    color: #9d2c1b;
    font-size: 0.82rem;
    font-weight: 800;
}

.privacy-note {
    margin: 0;
    color: var(--premia-gray);
    font-size: 0.86rem;
    line-height: 1.45;
}

.signature-block {
    display: grid;
    gap: 24px;
    min-height: 260px;
    align-content: center;
    justify-items: center;
    padding: 32px;
    border: 2px solid var(--premia-black);
    border-radius: var(--card-radius);
    text-align: center;
    background: var(--premia-black);
}

.signature-block img {
    width: 176px;
    max-height: 176px;
    padding: 18px;
    border-radius: 8px;
    background: var(--premia-yellow);
    object-fit: contain;
}

.signature-block .button-primary {
    color: var(--premia-black);
    background: var(--premia-yellow);
    box-shadow: none;
}

.signature-block .button.button-primary:hover,
.signature-block .button.button-primary:focus-visible {
    color: var(--premia-black);
    background: var(--premia-yellow);
}

.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 28px 0 38px;
    border-top: 1px solid var(--premia-line);
}

.site-footer p {
    margin: 0;
    color: var(--premia-gray);
}

.not-found-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 32px;
    color: var(--premia-black);
    background: var(--premia-cream);
}

.not-found-card {
    max-width: 560px;
    padding: 34px;
    border: 2px solid var(--premia-black);
    border-radius: var(--card-radius);
    text-align: center;
    background: var(--premia-white);
    box-shadow: 12px 12px 0 var(--premia-black);
}

.not-found-card h1 {
    margin: 0 0 10px;
    font-size: 3rem;
    font-weight: 950;
}

.thank-you-shell {
    display: grid;
    align-items: center;
}

.thank-you-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 60px 0;
}

.thank-you-card {
    width: min(920px, 100%);
    padding: 34px;
    border: 2px solid var(--premia-black);
    border-radius: var(--card-radius);
    background: var(--premia-white);
}

.thank-you-card .brand-lockup {
    margin-bottom: 44px;
}

.thank-you-card h1 {
    max-width: 760px;
    margin: 0;
    color: var(--premia-black);
    font-size: 4.4rem;
    font-weight: 950;
    letter-spacing: 0;
    line-height: 1;
}

.thank-you-card > p:not(.kicker) {
    max-width: 690px;
    margin: 20px 0 0;
    color: var(--premia-gray);
    font-size: 1.08rem;
    line-height: 1.65;
}

.thank-you-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.thank-you-next {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 42px;
    border: 2px solid var(--premia-black);
}

.thank-you-next article {
    min-width: 0;
    padding: 22px;
}

.thank-you-next article + article {
    border-left: 2px solid var(--premia-black);
}

.thank-you-next span {
    display: block;
    color: var(--premia-gray);
    font-size: 0.78rem;
    font-weight: 950;
}

.thank-you-next strong {
    display: block;
    margin-top: 18px;
    color: var(--premia-black);
    font-size: 1.25rem;
    font-weight: 950;
}

.thank-you-next p {
    margin: 10px 0 0;
    color: var(--premia-gray);
    line-height: 1.5;
}

#blazor-error-ui {
    display: none;
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 1000;
    max-width: 420px;
    padding: 14px 44px 14px 16px;
    border: 2px solid var(--premia-yellow);
    border-radius: 8px;
    color: var(--premia-yellow);
    background: var(--premia-black);
    box-shadow: 0 18px 36px rgba(9, 9, 9, 0.22);
}

#blazor-error-ui .reload {
    color: var(--premia-yellow);
    font-weight: 900;
}

#blazor-error-ui .dismiss {
    position: absolute;
    top: 10px;
    right: 14px;
    cursor: pointer;
}

.loading-progress {
    position: relative;
    display: block;
    width: 8rem;
    height: 8rem;
    margin: 20vh auto 1rem;
}

.loading-progress circle {
    fill: none;
    stroke: rgba(9, 9, 9, 0.14);
    stroke-width: 0.58rem;
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
}

.loading-progress circle:last-child {
    stroke: var(--premia-yellow);
    stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
    transition: stroke-dasharray 0.05s ease-in-out;
}

.loading-progress-text {
    position: absolute;
    inset: calc(20vh + 3.25rem) 0 auto;
    color: var(--premia-black);
    font-weight: 950;
    text-align: center;
}

.loading-progress-text::after {
    content: var(--blazor-load-percentage-text, "Premia");
}

h1:focus {
    outline: none;
}

code {
    color: var(--premia-coral);
}

@media (max-width: 1120px) {
    .hero-copy h1 {
        font-size: 4.8rem;
    }

    .section-intro h2,
    .product-explainer-copy h2,
    .interface-copy h2,
    .contact-copy h2 {
        font-size: 3.35rem;
    }

    .benefits-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .benefits-grid article:nth-child(4) {
        border-left: 0;
    }

    .benefits-grid article:nth-child(n + 4) {
        border-top: 2px solid var(--premia-black);
    }

    .product-flow {
        grid-template-columns: repeat(2, 1fr);
        border: 2px solid rgba(255, 247, 223, 0.32);
    }

    .product-flow article:nth-child(3) {
        border-left: 0;
        border-top: 2px solid rgba(255, 247, 223, 0.32);
    }

    .product-flow article:nth-child(4) {
        border-top: 2px solid rgba(255, 247, 223, 0.32);
    }
}

@media (max-width: 900px) {
    :root {
        --container: min(760px, calc(100% - 28px));
    }

    .site-header {
        align-items: flex-start;
        padding-left: 14px;
        padding-right: 14px;
    }

    .nav-links {
        display: none;
    }

    .hero-section {
        min-height: auto;
        padding-top: 44px;
    }

    .hero-content,
    .product-explainer,
    .interface-section,
    .contact-section {
        grid-template-columns: 1fr;
        gap: 38px;
    }

    .hero-copy h1 {
        font-size: 4.2rem;
    }

    .hero-proof,
    .benefits-grid,
    .evidence-grid,
    .faq-list {
        grid-template-columns: 1fr;
    }

    .benefits-grid article + article {
        border-left: 0;
        border-top: 2px solid var(--premia-black);
    }

    .benefits-grid article {
        min-height: auto;
    }

    .journey-track {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .journey-track .journey-arrow {
        display: none;
    }

    .journey-explainer {
        grid-template-columns: 1fr;
    }

    .journey-explainer article + article {
        border-top: 2px solid var(--premia-black);
        border-left: 0;
    }

    .hero-proof div + div,
    .evidence-card + .evidence-card {
        border-left: 0;
        border-top: 2px solid var(--premia-black);
    }

    .interface-copy {
        position: static;
    }
}

@media (max-width: 640px) {
    .page-shell {
        overflow-x: hidden;
    }

    .site-header {
        position: relative;
        flex-wrap: wrap;
    }

    .header-cta {
        width: 100%;
    }

    .hero-copy h1 {
        max-width: 13ch;
        font-size: 2.28rem;
        line-height: 1.08;
    }

    .hero-lead {
        max-width: 34ch;
        font-size: 1.05rem;
    }

    .hero-actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .button {
        width: 100%;
        flex-wrap: wrap;
    }

    .hero-content,
    .section-intro,
    .product-explainer,
    .benefits-grid,
    .evidence-grid,
    .product-flow,
    .interface-section,
    .faq-list,
    .contact-section,
    .thank-you-page,
    .site-footer {
        width: calc(100vw - 28px);
        max-width: calc(100vw - 28px);
    }

    .hero-proof div {
        min-height: auto;
    }

    .brand-stage {
        box-shadow: 10px 10px 0 var(--premia-black);
    }

    .hero-mark-lockup {
        width: min(330px, 84%);
    }

    .hero-mark-lockup img {
        max-height: 250px;
    }

    .brand-note {
        display: block;
    }

    .brand-note strong {
        max-width: none;
        margin-top: 6px;
        text-align: left;
    }

    .section {
        padding: 64px 0;
    }

    .section-intro h2,
    .product-explainer-copy h2,
    .interface-copy h2,
    .contact-copy h2,
    .thank-you-card h1 {
        font-size: 2.55rem;
    }

    .section-intro p,
    .product-explainer-copy p,
    .interface-copy p,
    .contact-copy p {
        font-size: 1rem;
    }

    .product-flow-mockup {
        min-height: auto;
    }

    .mockup-header,
    .mockup-summary {
        align-items: flex-start;
        flex-direction: column;
    }

    .mockup-header strong {
        text-align: left;
    }

    .journey-flow {
        grid-template-columns: 1fr;
        padding: 14px;
    }

    .journey-track {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .journey-point {
        min-height: auto;
    }

    .journey-track .journey-arrow {
        display: none;
    }

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

    .product-flow article,
    .product-flow article:nth-child(3),
    .product-flow article:nth-child(4) {
        min-height: auto;
        border-left: 0;
        border-top: 2px solid rgba(255, 247, 223, 0.32);
    }

    .product-flow article:first-child {
        border-top: 0;
    }

    .product-flow h3 {
        margin-top: 54px;
    }

    .lead-form-card,
    .thank-you-card {
        padding: 22px;
    }

    .form-brand {
        align-items: flex-start;
        flex-direction: column;
    }

    .form-brand span {
        text-align: left;
    }

    .thank-you-actions {
        display: grid;
    }

    .thank-you-next {
        grid-template-columns: 1fr;
    }

    .thank-you-next article + article {
        border-top: 2px solid var(--premia-black);
        border-left: 0;
    }

    .signature-block {
        padding: 22px;
    }

    .site-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Landing page commercial flow */

.hero-section {
    min-height: calc(100svh - 82px);
}

.compact-flow {
    min-height: auto;
}

.compact-track {
    padding: 28px 22px;
}

.compact-track .journey-point {
    min-height: 126px;
}

.compact-track .journey-point small {
    color: var(--premia-gray);
    font-size: 0.86rem;
    line-height: 1.35;
}

.compact-summary {
    gap: 24px;
}

.compact-summary div {
    flex: 1 1 0;
}

.product-action-section {
    color: var(--premia-cream);
    background: var(--premia-black);
}

.action-heading,
.tablet-experience,
.advantages-grid,
.section-cta,
.trust-section,
.operational-faq {
    width: var(--container);
    margin-right: auto;
    margin-left: auto;
}

.action-heading {
    max-width: 840px;
    margin-bottom: 48px;
}

.action-heading h2,
.trust-copy h2 {
    margin: 0;
    font-size: 4rem;
    font-weight: 950;
    letter-spacing: 0;
    line-height: 1;
}

.action-heading p:not(.kicker),
.trust-copy > p:not(.kicker) {
    max-width: 740px;
    margin: 20px 0 0;
    color: #c9bea4;
    font-size: 1.08rem;
    line-height: 1.68;
}

.tablet-experience {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
    gap: 48px;
    align-items: center;
}

.tablet-photo {
    position: relative;
    min-width: 0;
    aspect-ratio: 3 / 2;
    overflow: hidden;
    background: #eadfc8;
}

.tablet-photo picture,
.tablet-photo picture img {
    display: block;
    width: 100%;
    height: 100%;
}

.tablet-photo picture img {
    object-fit: cover;
}

.tablet-screen-ui {
    position: absolute;
    top: 23.6%;
    left: 24.9%;
    width: 52.8%;
    height: 49.1%;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(118px, 0.72fr);
    grid-template-rows: auto 1fr auto;
    gap: 8px 14px;
    align-items: center;
    padding: 5.2% 5.8%;
    color: #1f1f1f;
    background: #fffef8;
    overflow: hidden;
}

.totem-brand-mini {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 5px;
}

.totem-brand-mini img {
    width: clamp(14px, 2.1vw, 30px);
    height: clamp(14px, 2.1vw, 30px);
}

.totem-brand-mini strong {
    font-size: clamp(0.55rem, 1vw, 0.92rem);
    font-weight: 950;
}

.tablet-screen-ui > p {
    align-self: end;
    margin: 0;
    font-size: clamp(0.72rem, 1.75vw, 1.68rem);
    font-weight: 950;
    line-height: 1.05;
}

.cpf-preview {
    align-self: start;
    padding: clamp(4px, 0.65vw, 10px);
    border: 1px solid #d7d0c0;
    border-radius: 6px;
    color: #6d6a60;
    background: #ffffff;
    font-size: clamp(0.4rem, 0.86vw, 0.82rem);
    font-weight: 800;
    letter-spacing: 0;
    white-space: nowrap;
}

.numeric-pad-preview {
    grid-column: 2;
    grid-row: 2 / 4;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(2px, 0.45vw, 7px);
}

.numeric-pad-preview span {
    min-width: 0;
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    border-radius: 5px;
    color: var(--premia-black);
    background: var(--premia-yellow);
    font-size: clamp(0.34rem, 0.72vw, 0.72rem);
    font-weight: 950;
    text-transform: uppercase;
}

.numeric-pad-preview .key-muted {
    background: #e8e4d9;
    font-size: clamp(0.24rem, 0.48vw, 0.5rem);
}

.numeric-pad-preview .key-ok {
    color: var(--premia-yellow);
    background: var(--premia-black);
}

.action-points {
    display: grid;
    border-top: 1px solid rgba(255, 247, 223, 0.34);
}

.action-points article {
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 18px;
    padding: 24px 0;
    border-bottom: 1px solid rgba(255, 247, 223, 0.34);
}

.action-points article > span,
.advantages-grid article > span {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    color: var(--premia-black);
    background: var(--premia-yellow);
    font-size: 0.8rem;
    font-weight: 950;
}

.action-points h3,
.advantages-grid h3 {
    margin: 0;
    font-size: 1.32rem;
    font-weight: 950;
    line-height: 1.16;
}

.action-points p {
    margin: 8px 0 0;
    color: #c9bea4;
    line-height: 1.52;
}

.advantages-section {
    background: var(--premia-cream);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 44px;
    border: 2px solid var(--premia-black);
    background: var(--premia-white);
}

.advantages-grid article {
    min-width: 0;
    min-height: 330px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 28px;
}

.advantages-grid article + article {
    border-left: 2px solid var(--premia-black);
}

.advantages-grid h3 {
    margin-top: 56px;
    font-size: 1.58rem;
}

.advantages-grid p {
    margin: 14px 0 0;
    color: var(--premia-gray);
    line-height: 1.62;
}

.advantages-grid article > strong {
    margin-top: auto;
    padding-top: 28px;
    color: #4d4a40;
    font-size: 0.78rem;
    font-weight: 950;
    text-transform: uppercase;
}

.section-cta {
    display: flex;
    justify-content: center;
    margin-top: 36px;
}

.trust-section {
    display: grid;
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 58px;
    align-items: center;
}

.trust-copy > p:not(.kicker) {
    color: var(--premia-gray);
}

.trust-copy .text-link {
    display: inline-block;
    margin-top: 24px;
}

.trust-dashboard {
    border: 2px solid var(--premia-black);
    background: var(--premia-white);
    box-shadow: 14px 14px 0 var(--premia-black);
}

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 18px 22px;
    border-bottom: 2px solid var(--premia-black);
    background: var(--premia-yellow);
}

.dashboard-header span {
    color: #4d4a40;
    font-size: 0.76rem;
    font-weight: 950;
    text-transform: uppercase;
}

.dashboard-header strong {
    text-align: right;
}

.trust-dashboard dl {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 0;
}

.trust-dashboard dl > div {
    min-height: 148px;
    padding: 24px;
}

.trust-dashboard dl > div:nth-child(even) {
    border-left: 2px solid var(--premia-black);
}

.trust-dashboard dl > div:nth-child(n + 3) {
    border-top: 2px solid var(--premia-black);
}

.trust-dashboard dt {
    font-size: 1.55rem;
    font-weight: 950;
}

.trust-dashboard dd {
    margin: 34px 0 0;
    color: var(--premia-gray);
}

.trust-dashboard > p {
    margin: 0;
    padding: 20px 24px;
    border-top: 2px solid var(--premia-black);
    color: #343127;
    background: var(--premia-yellow-soft);
    font-weight: 800;
    line-height: 1.52;
}

.operational-faq {
    max-width: 920px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 18px;
    align-items: start;
    margin-top: 42px;
}

.operational-faq .faq-column {
    min-width: 0;
    display: grid;
    gap: 14px;
    align-content: start;
}

.operational-faq details {
    overflow: hidden;
    border: 2px solid var(--premia-black);
    border-radius: var(--card-radius);
    background: var(--premia-white);
    transition: background 160ms ease, box-shadow 160ms ease;
}

.operational-faq summary {
    position: relative;
    min-height: 104px;
    display: flex;
    align-items: center;
    padding: 24px 64px 24px 24px;
    cursor: pointer;
    list-style: none;
    font-size: 1.18rem;
    font-weight: 950;
    line-height: 1.3;
}

.operational-faq summary::-webkit-details-marker {
    display: none;
}

.operational-faq summary::after {
    content: "+";
    position: absolute;
    top: 50%;
    right: 24px;
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: var(--premia-black);
    background: var(--premia-yellow);
    transform: translateY(-50%);
}

.operational-faq details[open] summary::after {
    content: "-";
}

.operational-faq details[open] summary {
    border-bottom: 2px solid var(--premia-black);
    background: var(--premia-yellow-soft);
}

.operational-faq summary:hover {
    background: rgba(255, 201, 66, 0.16);
}

.operational-faq details[open] summary:hover {
    background: var(--premia-yellow-soft);
}

.operational-faq summary:focus-visible {
    outline: 3px solid var(--premia-blue);
    outline-offset: -5px;
}

.operational-faq details p {
    max-width: 760px;
    margin: 0;
    padding: 20px 64px 24px 24px;
    color: var(--premia-gray);
    line-height: 1.62;
}

.whatsapp-button {
    margin-top: 30px;
    color: var(--premia-black);
    border: 2px solid var(--premia-black);
    background: #25d366;
    box-shadow: 0 10px 0 rgba(9, 9, 9, 0.12);
}

.submit-button {
    border: 0;
    cursor: pointer;
}

.submit-button:disabled {
    cursor: wait;
    opacity: 0.72;
    transform: none;
}

.form-error {
    display: grid;
    gap: 5px;
    padding: 14px;
    border: 2px solid #9d2c1b;
    border-radius: 8px;
    color: #741f13;
    background: #fff0ec;
    line-height: 1.45;
}

.form-error a {
    width: fit-content;
    margin-top: 4px;
    font-weight: 950;
    text-decoration: underline;
    text-underline-offset: 3px;
}

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

.mobile-whatsapp-cta {
    display: none;
}

.scroll-animations-ready [data-reveal] {
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity 560ms cubic-bezier(0.22, 1, 0.36, 1) var(--reveal-delay, 0ms),
        transform 560ms cubic-bezier(0.22, 1, 0.36, 1) var(--reveal-delay, 0ms);
}

.scroll-animations-ready [data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1120px) {
    .action-heading h2,
    .trust-copy h2 {
        font-size: 3.35rem;
    }

    .tablet-experience {
        grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
        gap: 32px;
    }
}

@media (max-width: 900px) {
    .tablet-experience,
    .trust-section {
        grid-template-columns: 1fr;
    }

    .operational-faq {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .operational-faq .faq-column {
        display: contents;
    }

    .operational-faq .faq-item-1 { order: 1; }
    .operational-faq .faq-item-2 { order: 2; }
    .operational-faq .faq-item-3 { order: 3; }
    .operational-faq .faq-item-4 { order: 4; }
    .operational-faq .faq-item-5 { order: 5; }
    .operational-faq .faq-item-6 { order: 6; }
    .operational-faq .faq-item-7 { order: 7; }
    .operational-faq .faq-item-8 { order: 8; }

    .tablet-experience {
        gap: 38px;
    }

    .action-points {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        border-top: 1px solid rgba(255, 247, 223, 0.34);
    }

    .action-points article {
        grid-template-columns: 1fr;
        align-content: start;
        border-bottom: 1px solid rgba(255, 247, 223, 0.34);
    }

    .action-points article + article {
        padding-left: 18px;
        border-left: 1px solid rgba(255, 247, 223, 0.34);
    }

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

    .advantages-grid article {
        min-height: auto;
    }

    .advantages-grid article + article {
        border-top: 2px solid var(--premia-black);
        border-left: 0;
    }

    .advantages-grid h3 {
        margin-top: 36px;
    }
}

@media (max-width: 640px) {
    body {
        padding-bottom: 76px;
    }

    .site-header {
        position: relative;
    }

    .header-cta {
        width: 100%;
    }

    .hero-copy h1 {
        max-width: 12ch;
        font-size: 2.7rem;
    }

    .hero-proof {
        grid-template-columns: 1fr;
    }

    .hero-proof div + div {
        border-top: 2px solid var(--premia-black);
        border-left: 0;
    }

    .action-heading,
    .tablet-experience,
    .advantages-grid,
    .section-cta,
    .trust-section,
    .operational-faq {
        width: calc(100vw - 28px);
        max-width: calc(100vw - 28px);
    }

    .action-heading h2,
    .trust-copy h2 {
        font-size: 2.55rem;
    }

    .compact-track {
        grid-template-columns: 1fr;
        padding: 14px;
    }

    .compact-track .journey-point {
        min-height: auto;
    }

    .compact-summary {
        align-items: stretch;
    }

    .compact-summary div + div {
        padding-top: 14px;
        border-top: 1px solid rgba(9, 9, 9, 0.18);
    }

    .tablet-photo {
        aspect-ratio: 1 / 1;
    }

    .tablet-photo picture img {
        width: 150%;
        max-width: none;
        object-fit: cover;
        transform: translateX(-16.5%);
    }

    .tablet-screen-ui {
        top: 25.8%;
        left: 12.4%;
        width: 75.3%;
        height: 48.9%;
    }

    .action-points {
        grid-template-columns: 1fr;
    }

    .action-points article + article {
        padding-left: 0;
        border-left: 0;
    }

    .advantages-grid article {
        padding: 22px;
    }

    .trust-dashboard {
        margin-right: 10px;
        box-shadow: 10px 10px 0 var(--premia-black);
    }

    .trust-dashboard dl {
        grid-template-columns: 1fr;
    }

    .trust-dashboard dl > div:nth-child(even) {
        border-left: 0;
    }

    .trust-dashboard dl > div + div {
        border-top: 2px solid var(--premia-black);
    }

    .dashboard-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .dashboard-header strong {
        text-align: left;
    }

    .operational-faq summary {
        min-height: 82px;
        padding: 20px 58px 20px 18px;
        font-size: 1.04rem;
    }

    .operational-faq summary::after {
        right: 18px;
    }

    .operational-faq details p {
        padding: 0 18px 22px;
    }

    .whatsapp-button {
        width: 100%;
        min-height: 54px;
        flex-wrap: nowrap;
        white-space: nowrap;
    }

    .mobile-whatsapp-cta {
        position: fixed;
        right: 14px;
        bottom: max(12px, env(safe-area-inset-bottom));
        left: 14px;
        z-index: 30;
        min-height: 54px;
        align-items: center;
        justify-content: center;
        gap: 10px;
        border: 2px solid var(--premia-black);
        border-radius: 8px;
        color: var(--premia-black);
        background: #25d366;
        box-shadow: 0 8px 0 rgba(9, 9, 9, 0.16);
        font-weight: 950;
        opacity: 0;
        pointer-events: none;
        transform: translateY(18px);
        transition: opacity 220ms ease, transform 220ms ease;
    }

    .mobile-whatsapp-cta span {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--premia-black);
    }

    .mobile-whatsapp-cta.is-visible {
        display: flex;
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }
}

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

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

    .scroll-animations-ready [data-reveal] {
        opacity: 1;
        transform: none;
    }
}