/* ============================================================
   ILM Quranic Institute — Stylesheet
   Plain CSS: custom properties, grid, clamp(), no JS, no frameworks
   ============================================================ */

/* ── 1. DESIGN TOKENS ── */
:root {
    /* Colour palette */
    --clr-bg: #faf8f4;
    --clr-surface: #f2ede4;
    --clr-surface-alt: #1a1208;
    --clr-ink: #1a1208;
    --clr-ink-muted: #5c4f37;
    --clr-accent: #8b5e2f;
    --clr-accent-dark: #5c3a10;
    --clr-gold: #c9a55a;
    --clr-white: #fefefe;

    --clr-highlight-green: #2d6a4f;
    --clr-highlight-red: #b5342a;

    /* Typography */
    --font-display: "Cormorant Garamond", Georgia, serif;
    --font-body: "Inter", system-ui, sans-serif;

    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.825rem + 0.25vw, 1rem);
    --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.375rem);
    --text-xl: clamp(1.375rem, 1.1rem + 1.375vw, 2rem);
    --text-2xl: clamp(1.75rem, 1.25rem + 2.5vw, 3rem);
    --text-3xl: clamp(2.5rem, 1.75rem + 3.75vw, 4.5rem);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 9rem;

    /* Layout */
    --max-width: 72rem;
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;

    /* Transitions */
    --transition: 200ms ease;
}

/* ── CUSTOM FONTS ── */
@font-face {
    font-family: "QPC Hafs";
    src: url("fonts/qpc-hafs.woff2") format("woff2");
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* ── SKIP LINK ── */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    padding: 0.75em 1.5em;
    background-color: var(--clr-accent);
    color: var(--clr-white);
    font-weight: 500;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* ── 2. RESET & BASE ── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 5rem;
    background-color: var(--clr-surface-alt);
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100dvh;
    background-color: var(--clr-bg);
    color: var(--clr-ink);
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

main {
    flex-grow: 1;
}

img,
picture,
svg {
    display: block;
    max-inline-size: 100%;
}

ul[role="list"],
ol[role="list"] {
    list-style: none;
}

a {
    color: inherit;
    text-decoration-color: var(--clr-gold);
    text-underline-offset: 3px;
    transition: color var(--transition);
}

a:hover {
    color: var(--clr-accent);
}

/* ── 3. TYPOGRAPHY ── */
h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.15;
    text-wrap: balance;
}

h1 {
    font-size: var(--text-3xl);
}
h2 {
    font-size: var(--text-2xl);
}
h3 {
    font-size: var(--text-xl);
}

p {
    max-inline-size: 68ch;
}

em {
    font-style: italic;
}

strong {
    font-weight: 500;
}

/* ── 4. LAYOUT UTILITIES ── */
.container {
    inline-size: min(100% - 3rem, var(--max-width));
    margin-inline: auto;
}

.section {
    padding-block: var(--space-3xl);
}

.section--alt {
    background-color: var(--clr-surface);
}

.section--cta {
    background-color: var(--clr-surface-alt);
    color: var(--clr-white);
}

.section__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 48em) {
    .section__grid {
        grid-template-columns: 1fr 2fr;
        align-items: start;
    }
}

.section__header {
    position: static;
}

@media (min-width: 48em) {
    .section__header {
        position: sticky;
        top: var(--space-lg);
    }
}

.section__header--centered {
    text-align: center;
    position: static;
    margin-inline: auto;
    margin-block-end: var(--space-xl);
    max-inline-size: 52ch;
}

.section__lead {
    font-size: var(--text-base);
    color: var(--clr-ink-muted);
    margin-block-start: var(--space-sm);
    max-inline-size: 56ch;
    margin-inline: auto;
}

.section__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.section__body h3 {
    margin-block-start: var(--space-sm);
}

/* ── 5. EYEBROW ── */
.eyebrow {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--clr-accent);
    margin-block-end: var(--space-xs);
}

/* ── 6. BUTTONS ── */
.btn {
    display: inline-block;
    padding: 0.75em 2em;
    border-radius: var(--radius-sm);
    background-color: var(--clr-accent);
    color: var(--clr-white);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.04em;
    text-decoration: none;
    transition: background-color var(--transition);
}

.btn:hover {
    background-color: var(--clr-accent-dark);
    color: var(--clr-white);
}

.btn--light {
    background-color: var(--clr-gold);
    color: var(--clr-ink);
}

.btn--light:hover {
    background-color: var(--clr-white);
}

.btn-nav {
    display: inline-block;
    padding: 0.4em 1.2em;
    border-radius: var(--radius-sm);
    background-color: var(--clr-accent);
    color: var(--clr-white);
    font-size: var(--text-sm);
    font-weight: 500;
    text-decoration: none;
    transition: background-color var(--transition);
}

.btn-nav:hover {
    background-color: var(--clr-accent-dark);
    color: var(--clr-white);
}

/* ── 7. SITE HEADER ── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background-color: color-mix(in srgb, var(--clr-bg) 90%, transparent);
    backdrop-filter: blur(8px);
    border-block-end: 1px solid
        color-mix(in srgb, var(--clr-gold) 30%, transparent);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: var(--space-sm);
    gap: var(--space-md);
}

.site-logo {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--clr-accent);
}

nav ul {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    list-style: none;
}

nav a:not(.btn-nav) {
    font-size: var(--text-sm);
    font-weight: 500;
    text-decoration: none;
    color: var(--clr-ink-muted);
}

nav a:not(.btn-nav):hover {
    color: var(--clr-accent);
}

/* ── HAMBURGER TOGGLE ── */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

.nav-toggle__bar {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--clr-ink);
    border-radius: 2px;
    transition:
        transform var(--transition),
        opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 40em) {
    .nav-toggle {
        display: flex;
        z-index: 12;
    }

    .site-header:has(#primary-nav.is-open) {
        position: fixed;
        inset: 0;
        background-color: var(--clr-bg);
        backdrop-filter: none;
        border: none;
        z-index: 11;
    }

    .site-header:has(#primary-nav.is-open) .container {
        display: grid;
        grid-template-columns: 1fr auto;
        grid-template-rows: auto 1fr;
        height: 100%;
    }

    .site-header:has(#primary-nav.is-open) .site-logo {
        grid-column: 1;
        grid-row: 1;
        align-self: center;
    }

    .site-header:has(#primary-nav.is-open) .nav-toggle {
        grid-column: 2;
        grid-row: 1;
        align-self: center;
    }

    .site-header:has(#primary-nav.is-open) #primary-nav {
        grid-column: 1 / -1;
        grid-row: 2;
    }

    #primary-nav {
        display: none;
        width: 100%;
        flex-grow: 1;
    }

    #primary-nav.is-open {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    #primary-nav ul {
        flex-direction: column;
        align-items: center;
        gap: var(--space-lg);
    }

    #primary-nav a {
        display: block;
        font-family: var(--font-display);
        font-size: var(--text-2xl);
        font-weight: 600;
        text-decoration: none;
        color: var(--clr-ink);
    }

    #primary-nav a:hover {
        color: var(--clr-accent);
    }

    #primary-nav .btn-nav {
        background: none;
        color: var(--clr-accent);
        font-family: var(--font-display);
        font-size: var(--text-2xl);
        font-weight: 600;
        border-radius: 0;
        padding: 0;
    }

    #primary-nav .btn-nav:hover {
        background: none;
        color: var(--clr-accent-dark);
    }
}

/* ── 8. HERO ── */
.hero {
    padding-block: var(--space-3xl);
    background-color: var(--clr-bg);
    background-image: radial-gradient(
        ellipse 80% 60% at 50% 0%,
        color-mix(in srgb, var(--clr-gold) 12%, transparent),
        transparent 70%
    );
    border-block-end: 1px solid
        color-mix(in srgb, var(--clr-gold) 20%, transparent);
}

.hero__inner {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    max-inline-size: 44rem;
}

.hero h1 em {
    color: var(--clr-accent);
    font-style: italic;
}

.hero__sub {
    font-size: var(--text-lg);
    color: var(--clr-ink-muted);
    max-inline-size: 54ch;
}

@media (max-width: 30em) {
    .hero-br {
        display: none;
    }
}

/* ── 9. STEPPER ── */
.stepper {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-inline-size: 52rem;
    margin-inline: auto;
    margin-block-end: var(--space-xl);
}

.stepper-item {
    display: grid;
    grid-template-columns: 2.75rem 1fr;
    gap: var(--space-md);
    position: relative;
}

/* Vertical connector line between items */
.stepper-item:not(:last-child)::after {
    content: "";
    position: absolute;
    left: 1.3rem;
    top: 2.75rem;
    bottom: 0;
    width: 1px;
    background: color-mix(in srgb, var(--clr-gold) 35%, transparent);
}

.stepper-item__number {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    border: 1px solid color-mix(in srgb, var(--clr-gold) 50%, transparent);
    background-color: var(--clr-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--clr-accent);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.stepper-item__body {
    padding-block-end: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.stepper-item__title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    line-height: 1.15;
}

.stepper-item__milestone {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--clr-gold);
    margin-block-end: var(--space-xs);
}

.stepper-item__body p:last-child {
    color: var(--clr-ink-muted);
    font-size: var(--text-sm);
}

/* ── 10. STRUCTURE NOTE ── */
.structure-note {
    background-color: var(--clr-bg);
    border-inline-start: 3px solid var(--clr-gold);
    padding: var(--space-md) var(--space-lg);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    max-inline-size: 60rem;
    margin-inline: auto;
}

.structure-note h3 {
    margin-block-end: var(--space-sm);
}

.structure-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.structure-list li::before {
    content: "→ ";
    color: var(--clr-gold);
}

/* ── 11. EXPERIENCE GRID ── */
.experience {
    max-inline-size: 60rem;
    margin-inline: auto;
    margin-block-start: var(--space-xl);
}

.experience h3 {
    margin-block-end: var(--space-md);
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
    gap: var(--space-md);
}

.experience-item {
    background-color: var(--clr-bg);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    border: 1px solid color-mix(in srgb, var(--clr-gold) 25%, transparent);
}

.experience-item dt {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-block-end: var(--space-xs);
}

.experience-item dd {
    color: var(--clr-ink-muted);
    font-size: var(--text-sm);
}

/* ── 12. HIGHLIGHTS ── */
.highlight--green {
    color: var(--clr-highlight-green);
    font-weight: 500;
}

.highlight--red {
    color: var(--clr-highlight-red);
    font-weight: 500;
}

/* ── 13. ADVANCED PATHWAY ── */
.advanced__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-xl);
    max-inline-size: 64rem;
}

.advanced__inner header {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.advanced__inner > p {
    color: var(--clr-ink-muted);
    max-inline-size: 56ch;
    margin-inline: auto;
}

.verse-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    border-block-start: 1px solid
        color-mix(in srgb, var(--clr-gold) 35%, transparent);
    padding-block-start: var(--space-xl);
    width: 100%;
}

.verse-block blockquote {
    margin: 0;
    width: 100%;
}

.verse-block__arabic {
    font-size: clamp(2rem, 4.2vw, 4.25rem);
    font-family: "QPC Hafs", serif;
    line-height: 1.65;
    color: var(--clr-accent);
    max-inline-size: none;
    text-align: center;
}

.verse-block__translation {
    font-size: var(--text-base);
    color: var(--clr-ink-muted);
    font-style: italic;
    max-inline-size: 46ch;
    line-height: 1.8;
    text-align: center;
}

.verse-block__translation cite {
    font-style: normal;
    font-weight: 500;
    color: var(--clr-gold);
}

/* ── 14. CTA ── */
.cta__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-md);
}

.cta__inner p {
    color: color-mix(in srgb, var(--clr-white) 80%, transparent);
    max-inline-size: 52ch;
    margin-inline: auto;
}

/* ── 15. SITE FOOTER ── */
.site-footer {
    background-color: var(--clr-surface-alt);
    color: color-mix(in srgb, var(--clr-white) 60%, transparent);
    padding-block: var(--space-lg);
    border-block-start: 1px solid
        color-mix(in srgb, var(--clr-gold) 20%, transparent);
}

.site-footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.site-footer .site-logo {
    font-size: var(--text-lg);
    color: var(--clr-gold);
}

.site-footer__copy {
    font-size: var(--text-xs);
}

/* ── 16. FOCUS & ACCESSIBILITY ── */
:focus-visible {
    outline: 2px solid var(--clr-gold);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

/* ── 17. REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

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

/* ── 18. SUB-PAGE HERO ── */
.hero--page {
    padding-block: var(--space-xl);
}

.hero--page h1 {
    font-size: var(--text-2xl);
}

/* ── 19. TAGLINE & LINKS ── */
.tagline {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-style: italic;
    line-height: 1.5;
    color: var(--clr-ink-muted);
    border-inline-start: 3px solid var(--clr-gold);
    padding-inline-start: var(--space-md);
    max-inline-size: 60ch;
}

.guide-link {
    margin-block-start: var(--space-md);
    font-size: var(--text-sm);
}

.guide-link a {
    display: inline-block;
    font-weight: 500;
    color: var(--clr-accent);
    text-decoration: none;
    border-block-end: 1px solid
        color-mix(in srgb, var(--clr-gold) 60%, transparent);
    padding-block-end: 0.15em;
    transition:
        color var(--transition),
        border-color var(--transition);
}

.guide-link a:hover {
    color: var(--clr-accent-dark);
    border-block-end-color: var(--clr-accent-dark);
}

a.site-logo {
    text-decoration: none;
}

a.site-logo:hover {
    color: var(--clr-accent-dark);
}

/* ── 20. PLACEHOLDER NOTES ── */
.placeholder {
    border: 1px dashed color-mix(in srgb, var(--clr-gold) 60%, transparent);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    background-color: color-mix(in srgb, var(--clr-gold) 6%, transparent);
    font-size: var(--text-sm);
    color: var(--clr-ink-muted);
    max-inline-size: 56rem;
    margin-block-start: var(--space-md);
    margin-inline: auto;
}

.placeholder::before {
    content: "Placeholder — ";
    font-weight: 500;
    color: var(--clr-accent);
}

/* ── 21. MODULE TABLE ── */
.table-wrap {
    overflow-x: auto;
    max-inline-size: 60rem;
    margin-inline: auto;
}

.modules-table {
    inline-size: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.modules-table th,
.modules-table td {
    text-align: start;
    padding: var(--space-sm);
    border-block-end: 1px solid
        color-mix(in srgb, var(--clr-gold) 30%, transparent);
    vertical-align: top;
}

.modules-table thead th {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--clr-ink);
}

.modules-table tbody th {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--clr-accent);
    inline-size: 3.5rem;
}

.modules-table tbody td:first-of-type {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--clr-ink);
}

.modules-table td {
    color: var(--clr-ink-muted);
}

@media (max-width: 40em) {
    .modules-table,
    .modules-table tbody,
    .modules-table tr,
    .modules-table th,
    .modules-table td {
        display: block;
        inline-size: auto;
    }

    .modules-table thead {
        display: none;
    }

    .modules-table tr {
        padding-block: var(--space-sm);
        border-block-end: 1px solid
            color-mix(in srgb, var(--clr-gold) 30%, transparent);
    }

    .modules-table th,
    .modules-table td {
        border: none;
        padding: 0;
    }

    .modules-table tbody th {
        display: inline-block;
        inline-size: auto;
        font-size: var(--text-xl);
        margin-inline-end: 0.5rem;
    }

    .modules-table tbody td:first-of-type {
        display: inline-block;
        inline-size: auto;
        margin-block-start: 0;
        font-size: var(--text-lg);
    }

    .modules-table tbody td:last-of-type {
        margin-block-start: 0.5rem;
    }
}

/* ── 22. FAQ ── */
.faq {
    max-inline-size: 52rem;
    margin-inline: auto;
}

.faq__group {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--clr-accent);
    margin-block: var(--space-xl) var(--space-xs);
}

.faq__group:first-child {
    margin-block-start: 0;
}

.faq details {
    border-block-end: 1px solid
        color-mix(in srgb, var(--clr-gold) 30%, transparent);
}

.faq summary {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-md);
    padding-block: var(--space-sm);
    cursor: pointer;
    list-style: none;
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    line-height: 1.3;
    text-wrap: balance;
}

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

.faq summary::after {
    content: "+";
    flex-shrink: 0;
    font-family: var(--font-body);
    font-size: var(--text-xl);
    font-weight: 400;
    line-height: 1;
    color: var(--clr-accent);
}

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

.faq details p,
.faq details ul {
    padding-block-end: var(--space-md);
    font-size: var(--text-sm);
    color: var(--clr-ink-muted);
    max-inline-size: 60ch;
}

.faq details ul {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-inline-start: var(--space-md);
    list-style: disc;
}

/* ── 23. CTA EXTRAS ── */
.section--cta .eyebrow {
    color: var(--clr-gold);
}

.section--cta a:not(.btn):not(.btn--light) {
    color: var(--clr-gold);
}

.section--cta a:not(.btn):not(.btn--light):hover {
    color: var(--clr-white);
}

.cta__note {
    font-size: var(--text-sm);
    color: color-mix(in srgb, var(--clr-white) 70%, transparent);
}