/* ===========================
   Sock Pattern Calculator — Landing Page
   Palette: #251101 (coffee-bean), #3c4f76 (dusk-blue),
            #b8b8d1 (pale-slate), #7b886b (dusty-olive), #fffffb (porcelain)
   =========================== */

:root {
    --coffee-bean: #251101;
    --dusk-blue: #3c4f76;
    --pale-slate: #b8b8d1;
    --dusty-olive: #7b886b;
    --porcelain: #fffffb;
}

* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    width: 100%;
}

body {
    margin: 0;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--porcelain);
    color: var(--coffee-bean);
    line-height: 1.6;
}

main {
    flex: 1;
}

/* ---------- Containers ---------- */

.grid-container {
  display: grid;
  /* Creates two equal columns spanning available space */
  grid-template-columns: 1fr 1fr; 
  /* Space between the columns */
  gap: 20px; 
}

/* Individual column styling (optional) */
.column {
  padding: 20px;
}

/* Responsive adjustments: Stack columns on smaller screens */
@media (max-width: 768px) {
  .grid-container {
    grid-template-columns: 1fr;
  }
}

/* ---------- Dividers ----------- */
.visual-line {
  border-bottom: 1px solid var(--pale-slate); /* Creates a clean 1px separator line */
  margin: inherit;               /* Adds vertical spacing around the line */
  width: 100%;                  /* Controls how wide the line stretches */
  padding: 20px;
}

.measurements-visual-line {
  border-top: 1px solid var(--pale-slate); /* Creates a clean 1px separator line */
  margin: inherit;               /* Adds vertical spacing around the line */
  width: 100%;                  /* Controls how wide the line stretches */
  padding: 20px;
}

.results-visual-line {
  border-top: 1px solid var(--pale-slate); /* Creates a clean 1px separator line */
  margin: inherit;               /* Adds vertical spacing around the line */
  width: 100%;                  /* Controls how wide the line stretches */
  padding: 20px;
}



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

.site-header {
    background-color: var(--dusk-blue);
    padding: 24px 40px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.site-header-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-header .logo a{
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 1.3em;
    color: var(--porcelain);
    transition: color 0.15s ease;
    text-decoration: none;
}


.site-header .logo a:hover {
    color: var(--pale-slate);
}


.site-header nav ul {
    list-style: none;
    display: flex;
    gap: 28px;
    margin: 0;
    padding: 0;
}

.site-header nav a {
    color: var(--porcelain);
    text-decoration: none;
    font-size: 1em;
    transition: color 0.15s ease;
}

.site-header nav a:hover {
    color: var(--pale-slate);
}

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

.hero {
    background-color: var(--pale-slate);
    text-align: center;
    padding: 100px 20px;
}

.hero-inner {
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-family: 'Playfair Display', serif;
    font-optical-sizing: auto;
    font-weight: 700;
    font-size: clamp(4em, 4vw + 1em, 5em);
    color: var(--coffee-bean);
    margin: 0px;
    text-shadow: 2px 4px 4px rgba(37, 17, 1, 0.5);

}

.hero h2 {
    font-optical-sizing: auto;
    font-weight: 500;
    font-size: clamp(1em, 3vw + 1em, 1.5em);
    color: var(--porcelain);
    text-shadow: 1px 2px 2px rgba(37, 17, 1, 0.5);
}

.hero .button {
    display: inline-block;
    background-color: var(--porcelain);
    box-shadow: 0px 0px 5px rgba(37, 17, 1, 0.25);
    color: var(--coffee-bean);
    text-decoration: none;
    font-weight: 600;
    font-size: 1em;
    padding: 14px 40px;
    border-radius: 50px;
    transition: transform 0.15s ease;
}

.hero .button:hover {
    transform: scale(1.03);
    background-color: var(--coffee-bean);
    color: var(--porcelain);
    box-shadow: 0px 0px 5px rgba(37, 17, 1, 0.3);
}

/* ---------- Parallax hero ---------- */

.hero-parallax {
    position: relative;
    min-height: 75vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url("Images/hero.jpg");
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

@media (min-width: 1921px), (min-width: 1200px) and (min-resolution: 2dppx) {
    .hero-parallax {
        background-image: url("/Images/hero2880.jpg");
    }
}

.hero-parallax::before {
    content: "";
    position: absolute;
    inset: 0;
}

.hero-parallax .hero-inner {
    position: relative;
    z-index: 1;
}

.hero-parallax h1 {
    color: var(--porcelain);
}

.hero-parallax p {
    color: var(--porcelain);
    font-size: 1.25em;
    max-width: 600px;
    margin: 0 auto 28px;
}

@media (max-width: 1024px) {
    .hero-parallax {
        background-attachment: scroll;
    }
}


/* ---------- Headline band ---------- */

.headline-band {
    background-color: var(--porcelain);
    padding: 90px 20px;
}

.headline-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
    text-align: left;
}

.headline-text {
    flex: 1;
}

.headline-text h2 {
    font-family: 'Playfair Display', serif;
    font-weight: 300;
    color: var(--coffee-bean);
    font-size: 1.8em;
    margin: 0 0 10px;
}

.headline-text ul {
    list-style: disc;
    padding-left: 1.2em;
    margin: 0;
    color: var(--coffee-bean);
}

.headline-text li {
    margin-bottom: 8px;
}

.headline-image {
    flex: 1;
}

@media (max-width: 700px) {
    .headline-inner {
        flex-direction: column;
        text-align: center;
    }

    .headline-text ul {
        text-align: left;
    }
}

.project-card {
    display: block;
    text-decoration: none;
    border: 0;
}

.project-card img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 12px;
    transition: transform 0.2s ease;
}

.project-card:hover img {
    transform: scale(1.02);
}

.project-caption {
    display: block;
    margin-top: 12px;
    color: var(--coffee-bean);
    font-weight: 600;
    transition: color 0.15s ease;
}

.project-card:hover .project-caption {
    color: var(--pale-slate);
}

/* ---------- Image section ---------- */

.image-section {
    background-color: var(--porcelain);
    text-align: center;
    padding: 100px 20px;
}

.image-section p {
    color: var(--coffee-bean);
    margin: 0;
}


.page-intro {
    /*background-color: var(--pale-slate);*/
    padding: 20px 20px;
    text-align: left;
}

.page-intro-inner {
    max-width: 900px;
    margin: 0 auto;
}

.page-intro h1 {
    font-family: 'Playfair Display', serif;
    font-weight: 400;
    font-size: 2.5em;
    color: var(--coffee-bean);
    margin: 0 0 10px;
}

.page-intro p {
    margin: 0;
    color: var(--coffee-bean);
    font-size: 1.5em;
}

/* ---------- Form Section ---------- */

.measurements {
    padding: 20px 20px;
    text-align: left;
}

.measurements-inner {
    max-width: 900px;
    margin: 0 auto;
}

.measurements h2 {
    font-weight: 650;
    font-size: 2em;
    color: var(--coffee-bean);
    margin: 0 0 ;
    /* padding: 0px 0px; */
}

.measurements-grid-container {
  display: grid;
  /* Creates two equal columns spanning available space */
  grid-template-columns: 1fr 1fr 1fr 1fr; 
  /* Space between the columns */
  gap: 20px; 
  padding-bottom: 40px;
  margin: 0 0;
}

@media (max-width: 700px) {
    .measurements-grid-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 420px) {
    .measurements-grid-container {
        grid-template-columns: 1fr;
    }
}

/* Individual column styling (optional) */
.measurements-column {
  padding: 20px;
}

form {
    border: none;
}

.form-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-bottom: 20px;
}

@media (max-width: 600px) {
    .form-columns {
        grid-template-columns: 1fr;
    }
}

fieldset {
    border: none;
    padding: 0;
    margin: 0 0 24px;
}

.measurements-column h5 {
    font-weight: 700;
    font-size: 0.95em;
    color: var(--coffee-bean);
    padding: 0;
    margin-bottom: 12px;
}

.field {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

label {
    font-weight: 600;
    font-size: 0.95em;
    color: var(--coffee-bean);
}

input[type="number"] {
    width: 96px;
    border: 0px;
    background: var(--porcelain);
    font-family: inherit;
    font-size: 1em;
    color: var(--coffee-bean);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    padding-bottom: 10px;
}

input[type="number"]:focus {
    outline: none;
}

.error {
    color: #b3261e;
    font-size: 0.9em;
    margin: 12px 0 0;
    min-height: 1.2em;
}

button.primary {
    display: inline-block;
    padding: 13px 20px;
    font-family: inherit;
    font-size: 1em;
    font-weight: 600;
    border: none;
    border-radius: 30px;
    background-color: var(--dusk-blue);
    color: var(--porcelain);
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.1s ease;
}

button.primary:hover {
    background-color: var(--coffee-bean);
}

button.primary:active {
    transform: scale(0.98);
}

button.secondary {
    padding: 8px 16px;
    font-family: inherit;
    font-size: 0.9em;
    font-weight: 600;
    border-radius: 30px;
    background-color: transparent;
    color: var(--dusk-blue);
    border: 1px solid var(--dusk-blue);
    cursor: pointer;
    transition: background-color 0.15s ease;
}

button.secondary:hover {
    background-color: var(--dusk-blue);
    color: var(--porcelain);
}

button.tertiary {
    display: inline-block;
    padding: 13px 20px;
    font-family: inherit;
    font-size: 1em;
    font-weight: 600;
    border: none;
    border-radius: 30px;
    box-shadow: 0px 0px 5px rgba(37, 17, 1, 0.25);
    background-color: var(--dusty-olive);
    color: var(--porcelain);
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.1s ease;
}

button.tertiary:hover {
    background-color: var(--coffee-bean);
    transform: scale(1.03);
    box-shadow: 0px 0px 5px rgba(37, 17, 1, 0.30);
}

button.tertiary:active {
    transform: scale(0.98);
}

/* ---------- Result ---------- */

.result-inner {
    max-width: 900px;
    margin: 0 auto;
}

[hidden] {
    display: none !important;
}

.result-columns {
    display: grid;
    grid-template-columns: minmax(0,2fr) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.abbreviations {
    border: 1px solid var(--dusty-olive);
    border-radius: 20px;
    padding: 20px;
    margin: 20px;
    color: var(--coffee-bean);
}

.abbreviations h3 {
    margin: 0 0 12px;
    font-size: 1em;
    font-weight: 500;
}

.abbreviations dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 14px;
    margin: 0;
    font-size: 0.9em;
}

.abbreviations dt {
    font-weight: 600;
}

.abbreviations a:hover{
    color: var(--dusty-olive);
}

.abbreviations dd {
    margin: 0;
}

.abbreviations hr {
    border: 0;
    border-top: 1px solid var(--dusty-olive);
    margin: 20px 0;
}

.resource-links {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.9em;
}

.resource-links li {
    margin-bottom: 8px;
}

.resource-links a {
    color: var(--dusk-blue);
    transition: color 0.15s ease;
}

.resource-links a:hover {
    color: var(--dusty-olive);
}

@media (max-width: 700px) {
    .result-columns {
        grid-template-columns: 1fr;
    }
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.result-header h2 {
    margin: 0;
    font-size: 1.5em;
    font-weight: 600;
    color: var(--coffee-bean);
}

.actions {
    display: flex;
    gap: 8px;
}

#output {
    background-color: var(--porcelain);
    color: var(--coffee-bean);
    min-height: 120px;
    padding: 20px;
}

#output h2 {
    margin: 28px 0 8px;
    font-size: 1.15em;
    font-weight: 500;
    color: var(--coffee-bean);
}

#output h3 {
    margin: 8px 0 8px;
    font-size: 1em;
    font-weight: 500;
    color: var(--coffee-bean);
}

#output h2:first-child {
    margin-top: 0;
}

#output p {
    margin: 0 0 12px;
    /* font-size: 14px; */
}

#output .placeholder {
    color: var(--dusty-olive);
    margin: 0;
}


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

.site-footer {
    background-color: var(--dusk-blue);
    padding: 60px 20px;
}

.footer-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
    text-align: left;
}

.footer-col {
    flex: 1;
}

.footer-about {
    text-align: left;
}

.footer-contact {
    text-align: right;
}

.footer-name {
    color: var(--porcelain);
    font-size: 1.1em;
    font-weight: 700;
    margin: 0 0 16px;
}

.social-links {
    list-style: none;
    display: flex;
    gap: 16px;
    margin: 0;
    padding: 0;
}

.social-links a {
    color: var(--porcelain);
    display: inline-flex;
    transition: color 0.15s ease;
}

.social-links a:hover {
    color: var(--pale-slate);
}

.ravelry-icon {
    display: block;
    filter: brightness(0) saturate(100%) invert(98%);
}

.social-links a:hover .ravelry-icon {
    filter: brightness(0) saturate(100%) invert(76%) sepia(8%) saturate(573%) hue-rotate(201deg) brightness(97%) contrast(92%);
}

.footer-contact-text {
    color: var(--porcelain);
    margin: 0 0 16px;
}

.footer-email {
    border-color: var(--porcelain);
    color: var(--porcelain);
}

.footer-email:hover {
    color: var(--pale-slate);
}

@media (max-width: 600px) {
    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-about,
    .footer-contact {
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}