/* EliNad Tech styles. Values come from DESIGN.md. */

:root {
    /* Colours */
    --green: #29C77C;
    --ink: #111827;
    --text: #374151;
    --btn-text: #0B1F17;
    --bg: #FFFFFF;
    --tint: #F3FAF6;
    --link: #127A49;
    --link-hover: #0E6B40;
    --footer-bg: #0B1F17;
    --footer-text: #C9D6CF;
    --border: #D5E3DB;
    --input-border: #6B7280;
    --error: #B42318;

    /* Typography (system fonts for now) */
    --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    /* Shape */
    --radius: 6px;
}

/* ---------- Base ---------- */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

body {
    margin: 0;
    font-family: var(--font);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

h1,
h2,
h3 {
    color: var(--ink);
    line-height: 1.2;
    font-weight: 700;
}

h1 {
    font-size: clamp(2rem, 6vw, 3rem);
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.25rem;
}

p {
    max-width: 70ch;
}

a {
    color: var(--link);
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

a:hover {
    color: var(--link-hover);
}

:focus-visible {
    outline: 3px solid var(--btn-text);
    outline-offset: 2px;
}

/* ---------- Layout helpers ---------- */

.container {
    width: min(100% - 2rem, 70rem);
    margin-inline: auto;
}

.section {
    padding: 3rem 0;
}

/* Skip link: hidden until a keyboard user tabs to it */
.skip-link {
    position: absolute;
    left: -9999px;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
    z-index: 10;
    padding: 0.7rem 1rem;
    background: var(--green);
    color: var(--btn-text);
    font-weight: 700;
    border-radius: var(--radius);
}

/* ---------- Header ---------- */

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

.brand {
    display: inline-block;
    line-height: 0;
}

.brand img {
    display: block;
    height: 3rem;
    width: auto;
    max-width: 100%;
}

.nav-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-list a {
    display: inline-block;
    padding: 0.6rem 0;
    font-weight: 600;
    color: var(--ink);
    text-decoration: none;
}

.nav-list a:hover,
.nav-list a:focus-visible {
    color: var(--ink);
    text-decoration: underline;
    text-decoration-color: var(--green);
    text-decoration-thickness: 3px;
    text-underline-offset: 0.3em;
}

/* ---------- Buttons ---------- */

.btn {
    display: inline-block;
    min-height: 44px;
    padding: 0.7rem 1.5rem;
    background: var(--green);
    color: var(--btn-text);
    font-weight: 700;
    text-decoration: none;
    border-radius: var(--radius);
}

.btn:hover {
    background: #34D88A;
    color: var(--btn-text);
}

.btn-secondary {
    padding: calc(0.7rem - 2px) calc(1.5rem - 2px);
    background: transparent;
    color: var(--ink);
    border: 2px solid var(--ink);
}

.btn-secondary:hover {
    background: var(--ink);
    color: #FFFFFF;
}

/* ---------- Hero ---------- */

.hero {
    padding: 3rem 0 3.5rem;
    background: var(--tint);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.hero-inner {
    display: grid;
    gap: 2.5rem;
    align-items: center;
}

.hero h1 {
    margin: 0 0 1rem;
}

.eyebrow {
    display: inline-block;
    margin: 0 0 1rem;
    padding: 0.25rem 0.75rem;
    background: var(--green);
    color: var(--btn-text);
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: var(--radius);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.hero-points {
    display: grid;
    gap: 0.5rem;
    margin: 2rem 0 0;
    padding: 0;
    list-style: none;
    font-weight: 600;
    color: var(--ink);
}

.hero-points li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.hero-points li::before {
    content: "";
    flex: none;
    width: 0.6rem;
    height: 0.6rem;
    background: var(--green);
    border-radius: 3px;
}

.hero-art {
    display: none;
}

@media (min-width: 56rem) {
    .hero-inner {
        grid-template-columns: 1.4fr 1fr;
    }

    .hero-art {
        display: block;
        position: relative;
        width: 100%;
        max-width: 20rem;
        aspect-ratio: 1;
        justify-self: center;
        background: var(--green);
        border-radius: 12px;
    }

    .hero-art::after {
        content: "";
        position: absolute;
        inset: 1.25rem -1.25rem -1.25rem 1.25rem;
        border: 3px solid var(--ink);
        border-radius: 12px;
    }
}

/* ---------- E-box section markers ---------- */

main h2 {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

main h2::before {
    content: "";
    flex: none;
    width: 0.7em;
    height: 0.7em;
    background: var(--green);
    border-radius: 4px;
}

/* ---------- Section helpers ---------- */

.section-tint {
    background: var(--tint);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section h2 {
    margin-top: 0;
}

.section-intro {
    margin: 0 0 2rem;
}

/* ---------- Cards (boxed-E tab) ---------- */

.card-grid {
    display: grid;
    gap: 1.5rem;
}

.card {
    position: relative;
    padding: 4rem 1.5rem 1.5rem;
    background: #FFFFFF;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.card-tab {
    position: absolute;
    top: -1px;
    left: -1px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    background: var(--green);
    color: var(--btn-text);
    font-weight: 700;
    border-radius: 8px 0 var(--radius) 0;
}

.card h3 {
    margin: 0 0 0.75rem;
}

.card-list {
    margin: 1rem 0 0;
    padding: 0;
    list-style: none;
}

.card-list li {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 0.4rem;
}

.card-list li::before {
    content: "";
    flex: none;
    width: 0.5rem;
    height: 0.5rem;
    margin-top: 0.55em;
    background: var(--green);
    border-radius: 2px;
}

.card-dashed {
    border: 2px dashed var(--ink);
}

.card-dashed .card-tab {
    top: -2px;
    left: -2px;
    background: #FFFFFF;
    color: var(--ink);
    border-right: 2px dashed var(--ink);
    border-bottom: 2px dashed var(--ink);
    border-radius: 8px 0 var(--radius) 0;
}

.tag {
    display: inline-block;
    margin: 0 0 0.75rem;
    padding: 0.15rem 0.6rem;
    background: var(--tint);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--ink);
    font-size: 0.875rem;
    font-weight: 700;
}

@media (min-width: 40rem) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 40rem) and (max-width: 63.99rem) {
    .card-grid>.card:last-child:nth-child(odd) {
        grid-column: 1 / -1;
    }
}

@media (min-width: 64rem) {
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* A card with no corner tab needs less top padding */
.card-plain {
    padding-top: 1.5rem;
}

/* A single card (like the Our Work placeholder) should not stretch across the page */
#work .card-grid {
    grid-template-columns: minmax(0, 36rem);
}

/* ---------- About ---------- */

.about-grid {
    display: grid;
    gap: 2rem;
}

.principles {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}

.principle h3 {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin: 0 0 0.5rem;
}

.principle h3::before {
    content: "";
    flex: none;
    width: 0.6em;
    height: 0.6em;
    background: var(--green);
    border-radius: 3px;
}

.principle p {
    margin: 0;
}

@media (min-width: 56rem) {
    .about-grid {
        grid-template-columns: 1fr 1.3fr;
        gap: 3rem;
    }
}

/* ---------- Contact and form ---------- */

.contact-grid {
    display: grid;
    gap: 2rem;
}

@media (min-width: 56rem) {
    .contact-grid {
        grid-template-columns: 1.4fr 1fr;
        align-items: start;
    }
}

.notice {
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: #FFFFFF;
    border-left: 6px solid var(--green);
    border-radius: var(--radius);
}

.notice p {
    margin: 0;
}

.field {
    margin-bottom: 1.25rem;
}

label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 700;
    color: var(--ink);
}

input,
select,
textarea {
    display: block;
    width: 100%;
    min-height: 44px;
    padding: 0.65rem 0.75rem;
    font: inherit;
    color: var(--ink);
    background: #FFFFFF;
    border: 2px solid var(--input-border);
    border-radius: var(--radius);
}

textarea {
    resize: vertical;
}

input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] {
    border-color: var(--error);
}

.field-error {
    margin: 0.35rem 0 0;
    color: var(--error);
    font-weight: 600;
}

.field-error:empty {
    display: none;
}

.form-status {
    margin: 0 0 1rem;
    font-weight: 600;
    color: var(--ink);
}

.form-status:empty {
    display: none;
}

button.btn {
    border: 0;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.contact-list {
    margin: 1rem 0 0;
    padding: 0;
    list-style: none;
}

.contact-list li {
    margin-bottom: 0.5rem;
}



/* ---------- Footer ---------- */

.site-footer {
    padding: 3rem 0 1.5rem;
    background: var(--footer-bg);
    color: var(--footer-text);
    border-top: 4px solid var(--green);
}

.footer-grid {
    display: grid;
    gap: 2rem;
}

@media (min-width: 40rem) {
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr;
    }
}

.footer-brand {
    margin: 0 0 0.5rem;
    color: #FFFFFF;
    font-size: 1.25rem;
    font-weight: 700;
}

.site-footer h2 {
    margin: 0 0 0.75rem;
    color: #FFFFFF;
    font-size: 1rem;
}

.site-footer p {
    margin: 0 0 0.5rem;
}

.site-footer a {
    color: #FFFFFF;
}

.site-footer a:hover {
    color: var(--green);
}

.site-footer :focus-visible {
    outline-color: #FFFFFF;
}

.footer-links {
    margin: 0;
    padding: 0;
    list-style: none;
}

.footer-links a {
    display: inline-block;
    padding: 0.6rem 0;
}

.footer-links li {
    margin-bottom: 0.25rem;
}



.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem 1rem;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(201, 214, 207, 0.3);
    font-size: 0.9rem;
}

.footer-bottom a {
    display: inline-block;
    padding: 0.7rem 0;
}

/* ---------- Copy-message fallback ---------- */

button.btn-secondary {
    border: 2px solid var(--ink);
}

.fallback {
    margin-top: 1.5rem;
    padding: 1.25rem;
    background: #FFFFFF;
    border: 2px dashed var(--ink);
    border-radius: 8px;
}

.fallback h3 {
    margin: 0 0 0.5rem;
}

.fallback textarea {
    margin-bottom: 1rem;
}

/* ---------- Form sending states ---------- */

.hp {
    display: none;
}

.form-status.is-success {
    padding: 1rem 1.25rem;
    background: #FFFFFF;
    border-left: 6px solid var(--green);
    border-radius: var(--radius);
}

.send-error {
    margin: 0 0 1rem;
    padding: 1rem 1.25rem;
    background: #FFFFFF;
    color: var(--ink);
    font-weight: 600;
    border-left: 6px solid var(--error);
    border-radius: var(--radius);
}

.send-error:empty {
    display: none;
}

button.btn:disabled {
    background: #9BE3C0;
    cursor: progress;
}

.fallback-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.fallback-actions .btn {
    text-align: center;
}

/* ---------- Contact links ---------- */

.contact-list a {
    display: inline-block;
    padding: 0.6rem 0;
    overflow-wrap: anywhere;
}

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