/* ============================================================
   Corey Ramsden — True Autumn + blue/yellow accents (Option C)
   Warm neutrals for surfaces; consultant blue/yellow on CTAs & links.
   ============================================================ */

/* Fonts: load once via <link> in includes/head.php (avoid duplicate @import). */

/* ── Design tokens ── */
:root {
    /* Consultant accents — links, CTAs, highlights */
    --brand-blue-600:   #2563a8;
    --brand-blue-800:   #14325a;
    --brand-yellow-400: #f4c430;
    --brand-yellow-500: #e6b800;
    --highlight:        var(--brand-yellow-500);

    /* True Autumn — neutrals & warm surfaces */
    --ta-cream-50:   #faf5e9;
    --ta-cream-100:  #f2ebdb;
    --ta-cream-200:  #e7dcc3;
    --ta-walnut-400: #a99379;
    --ta-walnut-500: #6b5847;
    --ta-walnut-700: #3f3224;
    --ta-walnut-900: #2a1f15;
    --ta-rust-500:       #9a4423;
    --ta-rust-600:       #7f3719;
    --ta-terracotta:     #c46b42;
    --ta-amber-400:      #d4a24a;
    --ta-amber-500:      #b8822d;
    --ta-pine-600:   #3d4a2a;
    --ta-pine-700:   #2d3a20;

    --overlay-rgb: 42, 31, 21;

    /* Semantic surfaces */
    --bg:           var(--ta-cream-100);
    --bg-tint:      var(--ta-cream-200);
    --bg-raised:    var(--ta-cream-50);

    /* Ink */
    --fg:           var(--ta-walnut-900);
    --fg-body:      var(--ta-walnut-700);
    --fg-muted:     var(--ta-walnut-500);
    --fg-on-accent: var(--ta-cream-50);
    --fg-on-dark:   var(--ta-cream-100);

    /* Interactive — blue links & primary buttons */
    --accent:       var(--brand-blue-600);
    --accent-hover: var(--brand-blue-800);

    /* Borders */
    --border:        rgba(42, 31, 21, 0.14);
    --border-strong: rgba(42, 31, 21, 0.28);

    /* Fonts */
    --font-display: "Bricolage Grotesque", system-ui, -apple-system, sans-serif;
    --font-sans:    "Nunito", system-ui, -apple-system, sans-serif;

    /* Shadows — warm-brown tinted */
    --shadow-sm:     0 1px 2px rgba(42, 31, 21, 0.06), 0 1px 0 rgba(42, 31, 21, 0.04);
    --shadow-md:     0 6px 16px rgba(42, 31, 21, 0.07), 0 1px 2px rgba(42, 31, 21, 0.05);
    --shadow-lg:     0 14px 40px rgba(42, 31, 21, 0.10), 0 2px 6px rgba(42, 31, 21, 0.06);
    --shadow-header: 0 1px 0 rgba(42, 31, 21, 0.06), 0 8px 24px rgba(42, 31, 21, 0.06);

    /* Motion */
    --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
    --dur:      200ms;

    /* Radii */
    --radius-sm: 4px;
    --radius:    8px;

    /* Layout */
    --wrap: min(72rem, calc(100% - 2.5rem));
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--fg);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

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

.wrap { width: var(--wrap); margin-inline: auto; }

/* ── Skip link ── */
.skip-link {
    position: absolute;
    left: 0.75rem;
    top: 0.5rem;
    padding: 0.5rem 0.85rem;
    background: var(--fg);
    color: var(--fg-on-accent);
    text-decoration: none;
    border-radius: var(--radius-sm);
    z-index: 100;
    transform: translateY(-150%);
    transition: transform 0.15s ease;
}
.skip-link:focus { transform: translateY(0); outline: 2px solid var(--fg-on-accent); outline-offset: 2px; }

.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;
}

/* ── Header ── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(242, 235, 219, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(42, 31, 21, 0.08);
    box-shadow: var(--shadow-header);
}

.site-header__inner {
    width: var(--wrap);
    margin-inline: auto;
    padding: 0.85rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
    flex-wrap: wrap;
    min-width: 0;
}

.site-brand {
    display: inline-flex;
    align-items: baseline;
    gap: 0.4em;
    text-decoration: none;
    color: inherit;
    white-space: nowrap;
    min-width: 0;
    font-family: var(--font-sans);
}
.site-brand:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: var(--radius-sm); }

.site-brand__name,
.site-brand__sep,
.site-brand__line {
    font-size: 0.95rem;
    line-height: 1.3;
}

.site-brand__name {
    font-weight: 800;
    color: var(--fg);
    letter-spacing: -0.01em;
}

.site-brand__sep {
    font-weight: 600;
    color: var(--highlight);
}

.site-brand__line {
    font-weight: 600;
    color: var(--fg-muted);
}

.site-nav {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    gap: 0;
    position: relative;
}

.site-nav__backdrop {
    display: none;
}

.site-nav__toggle {
    display: none;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    margin: 0;
    padding: 0;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    background: var(--bg-raised);
    color: var(--accent);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: background var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
    position: relative;
    z-index: 102;
}

.site-nav__toggle:hover {
    background: var(--ta-cream-50);
    border-color: var(--ta-walnut-400);
}

.site-nav__toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.site-nav__hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 1.35rem;
    height: 1rem;
}

.site-nav__bar {
    display: block;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    transition: transform var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out);
}

.site-nav.is-open .site-nav__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.site-nav.is-open .site-nav__bar:nth-child(2) {
    opacity: 0;
}

.site-nav.is-open .site-nav__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (prefers-reduced-motion: reduce) {
    .site-nav__bar { transition: none; }
}

.site-nav__menu {
    display: block;
}

.site-nav__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1rem;
    justify-content: flex-end;
}

.site-nav__link {
    display: inline-block;
    padding: 0.35rem 0.2rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    transition: color var(--dur) var(--ease-out);
}
.site-nav__link:hover { color: var(--accent-hover); text-decoration: underline; text-underline-offset: 0.18em; }
.site-nav__link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

@media (max-width: 768px) {
    .site-header__inner {
        flex-wrap: nowrap;
        align-items: center;
        gap: 0.75rem;
    }

    .site-brand {
        flex: 1;
        min-width: 0;
        overflow: hidden;
    }

    .site-brand__line {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .site-nav__toggle {
        display: inline-flex;
    }

    .site-nav__backdrop {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 100;
        background: rgba(var(--overlay-rgb), 0.45);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity var(--dur) var(--ease-out), visibility var(--dur) var(--ease-out);
    }

    .site-nav.is-open .site-nav__backdrop {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .site-nav__menu {
        position: absolute;
        top: calc(100% + 0.5rem);
        right: 0;
        left: auto;
        min-width: min(16rem, calc(100vw - 2rem));
        max-width: calc(100vw - 2rem);
        padding: 0.35rem;
        margin: 0;
        background: var(--bg-raised);
        border: 1px solid var(--border-strong);
        border-radius: var(--radius);
        box-shadow: var(--shadow-lg);
        z-index: 101;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-0.35rem);
        pointer-events: none;
        transition:
            opacity var(--dur) var(--ease-out),
            visibility var(--dur) var(--ease-out),
            transform var(--dur) var(--ease-out);
    }

    .site-nav.is-open .site-nav__menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }

    .site-nav__list {
        flex-direction: column;
        flex-wrap: nowrap;
        align-items: stretch;
        gap: 0;
        justify-content: flex-start;
    }

    .site-nav__link {
        display: block;
        padding: 0.65rem 0.85rem;
        width: 100%;
    }

    body.site-nav-open {
        overflow: hidden;
    }
}

@media (max-width: 768px) and (prefers-reduced-motion: reduce) {
    .site-nav__backdrop,
    .site-nav__menu {
        transition: none;
    }

    .site-nav.is-open .site-nav__menu {
        transform: none;
    }
}

/* ── Hero ── */
.hero {
    position: relative;
    min-height: min(78vh, 36rem);
    display: grid;
}

.hero__media {
    grid-area: 1 / 1;
    z-index: 0;
    background-color: var(--ta-walnut-900);
    background-image: url("../public/images/top_hero.jpg");
    background-size: cover;
    background-position: center 35%;
    filter: saturate(0.92) contrast(1.02);
}

.hero__overlay {
    grid-area: 1 / 1;
    z-index: 1;
    display: flex;
    align-items: flex-end;
    background: linear-gradient(180deg,
        rgba(var(--overlay-rgb), 0.4) 0%,
        rgba(var(--overlay-rgb), 0.68) 50%,
        rgba(var(--overlay-rgb), 0.9) 100%
    );
}

.hero__content {
    padding-block: 3.5rem 3rem;
    color: var(--fg-on-accent);
    min-width: 0;
    container-type: inline-size;
    container-name: heroContent;
}

.hero__title {
    font-family: var(--font-display);
    margin: 0 0 0.8rem;
    font-size: clamp(2.4rem, 5.5vw, 4.25rem);
    line-height: 1.02;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--fg-on-accent);
    font-variation-settings: "opsz" 96;
}

.hero__tagline {
    margin: 0;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: clamp(1.05rem, 1.8vw, 1.4rem);
    line-height: 1.4;
    color: var(--ta-cream-200);
    max-width: 44rem;
}

.hero__quote {
    margin: 1.75rem 0 0;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    line-height: 1.45;
    color: var(--ta-cream-200);
    max-width: 44rem;
    letter-spacing: -0.01em;
}

.hero__cta {
    margin: 1.75rem 0 0;
}

/* ── Scroll margin for sticky header ── */
#top, #services, #work, #clients, #energytools-spotlight, #about, #exploring-energy, #contact { scroll-margin-top: 5.5rem; }

/* ── Exploring Energy / Our Energy Story ── */
.exploring__eyebrow {
    margin: 0 0 0.35rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
}

#exploring-energy .exploring__lede {
    max-width: none;
}

.exploring__cta {
    margin: 1.5rem 0 0;
}

.prose__cta {
    margin: 1.75rem 0 0;
}

.contact__lede {
    margin: 0 auto 1.25rem;
    max-width: 36rem;
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.45;
    text-align: center;
    color: var(--fg-on-accent);
}


/* ── Sections ── */
.section { padding-block: 4rem; }
.section--tint   { background: var(--bg-tint); }
.section--paper  { background: var(--bg-raised); }
.section--dark   {
    background: linear-gradient(180deg, var(--ta-walnut-700) 0%, var(--ta-walnut-900) 100%);
    color: var(--fg-on-dark);
}
.section--accent {
    background: linear-gradient(135deg, var(--ta-rust-500) 0%, var(--ta-rust-600) 100%);
    color: var(--fg-on-accent);
}

.section__title {
    font-family: var(--font-display);
    font-weight: 700;
    margin: 0 0 1.5rem;
    font-size: clamp(1.85rem, 3.2vw, 2.75rem);
    line-height: 1.1;
    letter-spacing: -0.025em;
    color: var(--fg);
    font-variation-settings: "opsz" 72;
}
.section--dark .section__title,
.section--accent .section__title { color: var(--fg-on-accent); }

.section__lede {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 1.15rem;
    color: var(--fg-body);
    margin: 0 0 1.25rem;
    max-width: 44rem;
}

#work .section__lede {
    max-width: none;
}

.prose p {
    margin: 0 0 1rem;
    max-width: 44rem;
    color: var(--fg-body);
    font-size: 1.0625rem;
    line-height: 1.7;
}

#about .prose p {
    max-width: none;
}

.prose a:not(.btn) {
    color: var(--accent);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 0.18em;
}
.prose a:not(.btn):hover { color: var(--accent-hover); }
.prose a:not(.btn):focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 2px;
}

.prose .btn {
    text-decoration: none;
}

.prose p:last-child { margin-bottom: 0; }

/* ── Middle hero + Energy tools spotlight overlay ── */
.band--image.band--spotlight {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 24rem;
    margin: 0;
    overflow: hidden;
    position: relative;
}

.band--spotlight::before {
    content: "";
    grid-area: 1 / 1;
    z-index: 1;
    background: linear-gradient(
        270deg,
        rgba(var(--overlay-rgb), 0.2) 0%,
        rgba(var(--overlay-rgb), 0.42) 52%,
        rgba(var(--overlay-rgb), 0.65) 100%
    );
    pointer-events: none;
}

.band--spotlight > .band__img {
    grid-area: 1 / 1;
    z-index: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 40%;
}

.spotlight.spotlight--band {
    grid-area: 1 / 1;
    z-index: 2;
    margin: 0;
    padding: 1.25rem max(1rem, env(safe-area-inset-right, 0px)) 1.25rem 1rem;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-width: 0;
    width: 100%;
    align-self: stretch;
}

.spotlight__wrap {
    display: flex;
    justify-content: flex-end;
}

.spotlight--band .spotlight__wrap {
    width: auto;
    max-width: min(26rem, calc(100% - 1.25rem));
    margin-inline: 0;
}

.spotlight__card {
    margin: 0;
    width: 100%;
    max-width: 42rem;
    padding: 1.75rem 2rem;
    background: linear-gradient(145deg, rgba(250, 245, 233, 0.97) 0%, rgba(242, 235, 219, 0.96) 100%);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--highlight);
    backdrop-filter: blur(6px);
}
.spotlight__heading {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.05rem, 2.2vw, 1.35rem);
    letter-spacing: -0.02em;
    line-height: 1.25;
    margin: 0 0 1rem;
    color: var(--accent);
    font-variation-settings: "opsz" 72;
}
.spotlight__text {
    margin: 0 0 1.15rem;
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--fg-body);
}
.spotlight__footer {
    margin: 0;
    font-size: 1rem;
    line-height: 1.5;
}
.spotlight__link {
    color: var(--accent);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 0.2em;
}
.spotlight__link:hover {
    color: var(--accent-hover);
}
.spotlight__link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 2px;
}

/* ── Client cards (You section) ── */
.card-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.9rem;
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.card {
    margin: 0;
    padding: 1.15rem 1.25rem;
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--fg-body);
}
.card p { margin: 0; }

/* ── Services ── */
.service-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
}

.service-card {
    margin: 0;
    padding: 1.5rem 1.6rem;
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.service-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.service-card__num {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--accent);
    margin: 0 0 0.5rem;
    font-variation-settings: "opsz" 48;
}

.service-card__title {
    font-family: var(--font-display);
    margin: 0 0 0.3rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -0.01em;
}

.service-card__meta {
    font-family: var(--font-sans);
    font-weight: 600;
    margin: 0 0 0.85rem;
    font-size: 0.95rem;
    color: var(--fg-muted);
}

.service-card p:last-child {
    margin: 0;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--fg-body);
}

/* ── Gallery ── */
.gallery { padding: 0; background: var(--ta-walnut-900); }
.gallery__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; }
@media (min-width: 900px) { .gallery__grid { grid-template-columns: repeat(4, 1fr); } }
.gallery__item { margin: 0; position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; }

.gallery__item--logo {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #13294B;
}

.gallery__item--logo .gallery__logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* ── Work ── */
.work-stack {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
}

.work-card {
    margin: 0;
    padding: 1.6rem 1.75rem;
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.work-card__title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.2rem;
    line-height: 1.3;
    color: var(--accent);
    margin: 0 0 0.7rem;
    letter-spacing: -0.01em;
}

.work-card__link { color: inherit; text-decoration: underline; text-underline-offset: 0.2em; }
.work-card__link:hover { color: var(--accent-hover); }
.work-card__link:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
.work-card p { margin: 0; color: var(--fg-body); }

/* ── Contact ── */
.contact { text-align: center; padding-block: 2rem; }

.contact__intro { margin: 0; font-size: clamp(1.1rem, 2.5vw, 1.35rem); }

.contact__sep { color: var(--highlight); margin: 0 0.5rem; font-weight: 600; }

.contact__link {
    color: var(--fg-on-accent);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 0.22em;
}
.contact__link:hover { opacity: 0.9; }
.contact__link:focus-visible { outline: 2px solid var(--fg-on-accent); outline-offset: 3px; border-radius: 2px; }

.contact__cta { margin: 1.5rem 0 0; }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.4rem;
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--dur) var(--ease-out);
}
.btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}
.btn-primary { background: var(--accent); color: var(--fg-on-accent); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-primary:focus-visible { outline-color: var(--fg-on-accent); }
.btn-on-accent { background: var(--ta-cream-50); color: var(--accent-hover); }
.btn-on-accent:hover { background: #fff; }
.btn-on-accent:focus-visible { outline-color: var(--accent-hover); }

/* ── Footer ── */
.site-footer {
    padding: 1.75rem 1.25rem 2.5rem;
    border-top: 1px solid var(--border);
    background: var(--bg);
    font-family: var(--font-sans);
}
.site-footer__copy {
    margin: 0 auto;
    width: var(--wrap);
    font-size: 0.85rem;
    color: var(--fg-muted);
    text-align: center;
}

/* ── Responsive ── */
@media (max-width: 640px) {
    .section { padding-block: 3rem; }
    .band--image.band--spotlight { grid-template-rows: 26rem; }
    .spotlight.spotlight--band { padding: 1rem 0.75rem; }
    .spotlight__card { padding: 1.35rem 1.25rem; }
    .work-stack { grid-template-columns: 1fr; }
}