/* ==========================================================================
   Codenbrand — Design System
   Font: Outfit only. Layout: Bootstrap 5 grid classes only (container/row/col).
   Everything else below is hand-written, reusable, meaningfully named CSS.
   ========================================================================== */

/* ---------- 1. Design tokens ---------- */
:root {
    --color-bg: #0b0b0f;
    --color-bg-alt: #101014;
    --color-surface: #16161c;
    --color-surface-2: #1d1d24;
    --color-border: rgba(255, 255, 255, .08);
    --color-border-strong: rgba(255, 255, 255, .16);

    --color-text: #f5f5f7;
    --color-text-muted: #9c9ca8;
    --color-text-faint: #6d6d78;

    --color-primary: #ff3346;
    --color-primary-dark: #d81f31;
    --color-primary-soft: rgba(255, 51, 70, .12);

    --color-accent-blue: #5b8cff;
    --color-accent-purple: #b56bff;
    --color-accent-green: #3ddc84;
    --color-accent-yellow: #ffcb47;
    --color-accent-aqua: #3fe0e0;

    --font-base: 'Outfit', sans-serif;

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 28px;
    --radius-pill: 999px;

    --shadow-soft: 0 20px 60px rgba(0, 0, 0, .35);
    --shadow-glow: 0 0 0 1px var(--color-border), 0 20px 60px rgba(0, 0, 0, .45);

    --section-py: clamp(3.5rem, 6vw, 6.5rem);
    --header-height: 88px;

    --ease: cubic-bezier(.25, .8, .25, 1);
}

/* ---------- 2. Reset & base ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-base);
    background-color: var(--color-bg);
    /* Ambient glow — same red/blue used on the homepage hero, but fixed to the
       viewport (not tied to any one section) so it reads as atmosphere behind the
       whole page rather than a glow repeated in every section's corner. Kept
       fainter than the hero's own foreground glow so it doesn't fight for attention. */
    background-image:
        radial-gradient(48% 38% at 88% 6%, rgba(255, 51, 70, .13), transparent 65%),
        radial-gradient(42% 34% at 6% 78%, rgba(91, 140, 255, .10), transparent 65%);
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: var(--color-text);
    font-weight: 400;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color .2s var(--ease);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-base);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
}

h1 {
    font-size: clamp(2.1rem, 4vw, 3.4rem);
    font-weight: 700;
    letter-spacing: -.02em;
}

h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -.01em;
}

h3 {
    font-size: clamp(1.35rem, 2.2vw, 1.75rem);
}

p {
    color: var(--color-text-muted);
}

.lead {
    font-size: clamp(1.05rem, 1.4vw, 1.2rem);
    color: var(--color-text-muted);
}

::selection {
    background: var(--color-primary);
    color: #fff;
}

/* Focus visibility for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ---------- 3. Layout utilities ---------- */
.section {
    padding-top: var(--section-py);
    padding-bottom: var(--section-py);
    position: relative;
}

.section-tight {
    padding-top: calc(var(--section-py) * .55);
    padding-bottom: calc(var(--section-py) * .55);
}

.bg-dark {
    background-color: var(--color-bg);
}

.bg-surface {
    background-color: var(--color-surface);
}

.bg-white {
    background-color: #fff;
    color: #16161c;
}

.bg-white p {
    color: #55555f;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #b31626 100%);
}

.text-primary-accent {
    color: var(--color-primary);
}

.text-muted-soft {
    color: var(--color-text-muted);
}

.align-center {
    align-items: center;
}

/* Tints a black/dark icon image to the brand red — carried over from the
   legacy stylesheet's .image-red utility (same filter recipe). Use on any
   plain black-line icon PNG/SVG placed on a dark background. */
.image-red {
    filter: invert(33%) sepia(39%) saturate(6862%) hue-rotate(337deg) brightness(104%) contrast(101%);
}


.eyebrow-label {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: .85rem;
}

.eyebrow-label::before {
    content: "";
    width: 22px;
    height: 2px;
    background: var(--color-primary);
    display: inline-block;
}

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

.eyebrow-label--purple {
    color: var(--color-accent-purple);
}

.eyebrow-label--green {
    color: var(--color-accent-green);
}

.eyebrow-label--yellow {
    color: var(--color-accent-yellow);
}

.eyebrow-label--aqua {
    color: var(--color-accent-aqua);
}

.eyebrow-label--blue::before {
    background: var(--color-accent-blue);
}

.eyebrow-label--purple::before {
    background: var(--color-accent-purple);
}

.eyebrow-label--green::before {
    background: var(--color-accent-green);
}

.eyebrow-label--yellow::before {
    background: var(--color-accent-yellow);
}

.eyebrow-label--aqua::before {
    background: var(--color-accent-aqua);
}

/* Section heading block, used above Projects / Blog / Clients grids */
.section-heading {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 3rem;
}

.section-heading .eyebrow-label {
    justify-content: center;
}

.section-heading .eyebrow-label::before {
    display: none;
}

.section-heading h2 {
    margin-bottom: .9rem;
}

/* Reveal-on-scroll (JS toggles .is-visible) */
.reveal-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
}

.reveal-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- 4. Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .55rem;
    font-family: var(--font-base);
    font-weight: 600;
    font-size: .96rem;
    padding: .9rem 1.9rem;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: transform .25s var(--ease), background-color .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease), box-shadow .25s var(--ease);
}

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 12px 30px -10px var(--color-primary-soft);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--color-border-strong);
    color: var(--color-text);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-sm {
    padding: .65rem 1.3rem;
    font-size: .85rem;
}

/* ---------- 5. Site header ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.4rem 0;
    background: transparent;
    transition: padding .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
    border-bottom: 1px solid transparent;
}

.site-header--scrolled {
    padding: .9rem 0;
    border-bottom-color: var(--color-border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, .25);
}

/* The blur lives on a pseudo-element (not on .site-header itself) so the header never
   gains a property (backdrop-filter/filter/transform) that would turn it into a
   containing block for its position:fixed descendants — see .main-nav below. */
.site-header--scrolled::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-color: rgba(11, 11, 15, .82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.brand-logo img {
    height: 20px;
    width: auto;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.1rem;
    list-style: none;
}

.nav-link {
    font-size: .95rem;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding: .25rem 0;
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width .3s var(--ease);
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 0 auto;
    background: var(--color-text);
    transition: transform .3s var(--ease), opacity .3s var(--ease);
}

.nav-toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 991px) {
    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        inset: 0;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        background: rgba(10, 10, 13, .98);
        backdrop-filter: blur(10px);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform .4s var(--ease), opacity .4s var(--ease), visibility .4s;
    }

    .main-nav.is-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu {
        flex-direction: column;
        text-align: center;
        gap: 1.75rem;
    }

    .nav-link {
        font-size: 1.3rem;
    }

    .nav-search-toggle,
    .nav-search-toggle__icon {
        width: 26px;
        height: 26px;
    }
}

/* ---------- Nav search (icon in .nav-menu, shared by desktop + mobile) ---------- */
.nav-search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: transparent;
    border: none;
    padding: 0;
    color: var(--color-text);
    cursor: pointer;
    transition: color .25s var(--ease);
}

.nav-search-toggle:hover,
.nav-search-toggle[aria-expanded="true"] {
    color: var(--color-primary);
}

.nav-search-toggle__icon {
    width: 20px;
    height: 20px;
}

/* Full-width dropdown bar, fixed just under the header. Sits as a sibling of
   .site-header (see header.php) — never nested inside it — so it can't be caught by
   the same position:fixed-containing-block issue fixed above for .main-nav. */
.nav-search {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background-color: rgba(11, 11, 15, .97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--color-border);
    padding: calc(var(--header-height) + 1.25rem) 0 1.5rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform .35s var(--ease), opacity .35s var(--ease), visibility .35s;
}

.nav-search.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.nav-search__form {
    display: flex;
    align-items: center;
    gap: .75rem;
    max-width: 640px;
    margin: 0 auto;
}

.nav-search__input {
    flex: 1;
    min-width: 0;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-pill);
    padding: .9rem 1.5rem;
    color: var(--color-text);
    font-family: var(--font-base);
    font-size: 1rem;
}

.nav-search__input::placeholder {
    color: var(--color-text-muted);
}

.nav-search__input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.nav-search__submit,
.nav-search__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: 50%;
    border: 1px solid var(--color-border-strong);
    background: transparent;
    color: var(--color-text);
    cursor: pointer;
    transition: color .25s var(--ease), border-color .25s var(--ease);
}

.nav-search__submit svg,
.nav-search__close svg {
    width: 18px;
    height: 18px;
}

.nav-search__submit:hover,
.nav-search__close:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

@media (max-width: 575px) {
    .nav-search {
        padding-bottom: 1.25rem;
    }

    .nav-search__form {
        gap: .5rem;
    }

    .nav-search__submit,
    .nav-search__close {
        width: 40px;
        height: 40px;
    }
}

/* ---------- 6. Hero ---------- */
.hero-section {
    padding-top: calc(var(--header-height) + 3rem);
    padding-bottom: 4rem;
    min-height: 92vh;
    display: flex;
    align-items: center;
    background:
        radial-gradient(60% 55% at 85% 15%, rgba(255, 51, 70, .16), transparent 60%),
        radial-gradient(50% 50% at 10% 90%, rgba(91, 140, 255, .10), transparent 60%),
        var(--color-bg);
}

.hero-slide__inner {
    display: flex;
    align-items: center;
}

.hero-slide__content h1,
.hero-slide__content .hero-slide__title {
    font-size: clamp(2.2rem, 4.4vw, 3.6rem);
    font-weight: 700;
    letter-spacing: -.02em;
    margin-bottom: 1.25rem;
}

.hero-slide__eyebrow {
    display: inline-block;
    font-size: .9rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.hero-slide__text {
    max-width: 540px;
    font-size: 1.08rem;
    margin-bottom: 2rem;
}

.text-accent {
    color: var(--color-primary);
}

.hero-slide__media {
    position: relative;
    border-radius: var(--radius-lg);
    min-height: 380px;
    box-shadow: var(--shadow-glow);
    overflow: hidden;
}

.hero-slide__media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-slide__media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 11, 15, 0) 40%, rgba(11, 11, 15, .55));
}

/* Splide structural overrides — visuals stay ours */
.splide__track {
    border-radius: inherit;
}

.hero-slider .splide__pagination {
    justify-content: flex-start;
    bottom: -2.75rem;
    left: 0;
}

.splide__pagination__page {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-pill);
    background: var(--color-border-strong);
    opacity: 1;
    margin: 0 4px;
    transition: background-color .3s var(--ease), width .3s var(--ease);
}

.splide__pagination__page.is-active {
    background: var(--color-primary);
    width: 26px;
    transform: none;
}

.splide__arrow {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    opacity: 1;
}

.splide__arrow svg {
    fill: var(--color-text);
}

.splide__arrow:hover {
    background: var(--color-primary);
}

.splide__arrow:hover svg {
    fill: #fff;
}

@media (max-width: 767px) {
    .hero-section {
        min-height: auto;
        text-align: left;
    }

    .hero-slide__media {
        min-height: 260px;
        margin-top: 2.5rem;
    }
}

/* ---------- 7. Logo marquee (tech stack) ---------- */
.marquee-section {
    padding: 2.75rem 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.marquee-slider .splide__track {
    overflow: hidden;
}

.marquee-item {
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: grayscale(1) brightness(1.7);
    opacity: .55;
    transition: opacity .3s var(--ease), filter .3s var(--ease);
}

.marquee-item img {
    max-width: 120px;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.marquee-item:hover {
    opacity: 1;
    filter: grayscale(0) brightness(1);
}

/* ---------- 8. About ---------- */
.about-section .about-media {
    position: relative;
}

.about-media img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border);
}

.about-section p {
    margin-bottom: 1.1rem;
}

.about-section p:last-of-type {
    margin-bottom: 0;
}

/* ---------- 9. Services showcase (tabbed) ---------- */
.services-showcase {
    overflow: hidden;
}

.service-tabs {
    display: flex;
    flex-direction: column;
    gap: .4rem;
}

.service-tab {
    display: flex;
    align-items: center;
    gap: 1.1rem;
    width: 100%;
    text-align: left;
    background: transparent;
    border: none;
    border-left: 2px solid var(--color-border);
    padding: 1rem 1.35rem;
    cursor: pointer;
    font-family: var(--font-base);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    transition: border-color .25s var(--ease), background-color .25s var(--ease);
}

.service-tab__index {
    font-size: .8rem;
    font-weight: 600;
    color: var(--color-text-faint);
    transition: color .25s var(--ease);
}

.service-tab__label {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text-muted);
    transition: color .25s var(--ease);
}

.service-tab:hover {
    background-color: var(--color-surface);
}

.service-tab:hover .service-tab__label {
    color: var(--color-text);
}

.service-tab.is-active {
    border-left-color: var(--color-primary);
    background-color: var(--color-surface);
}

.service-tab.is-active .service-tab__label {
    color: var(--color-text);
}

.service-tab.is-active .service-tab__index {
    color: var(--color-primary);
}

.service-panels {
    position: relative;
}

.service-panel {
    display: none;
}

.service-panel.is-active {
    display: block;
    animation: servicePanelFade .45s var(--ease);
}

@keyframes servicePanelFade {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-panel__media {
    position: relative;
    min-height: 320px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border);
    overflow: hidden;
    margin-bottom: 1.75rem;
}

.service-panel__media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-panel__body h3 {
    margin-bottom: .85rem;
}

.service-panel__body p {
    margin-bottom: 1.25rem;
}

@media (max-width: 991px) {
    .service-tabs {
        flex-direction: row;
        flex-wrap: wrap;
        gap: .6rem;
        margin-bottom: 2.5rem;
    }

    .service-tab {
        border-left: none;
        border-bottom: 2px solid var(--color-border);
        border-radius: 0;
        padding: .6rem .2rem;
        width: auto;
    }

    .service-tab.is-active {
        border-bottom-color: var(--color-primary);
        background-color: transparent;
    }

    .service-tab__label {
        font-size: .92rem;
    }
}

@media (max-width: 767px) {
    .service-panel__media {
        min-height: 220px;
    }
}

/* ---------- 10. Call to action band ---------- */
.cta-section {
    padding-top: 0;
    padding-bottom: 0;
}

.cta-card {
    background: linear-gradient(120deg, #1a0d10 0%, var(--color-primary) 140%);
    border-radius: var(--radius-lg);
    padding: clamp(2.25rem, 4vw, 3.5rem);
    box-shadow: var(--shadow-soft);
}

.cta-card h3 {
    margin-bottom: .85rem;
}

.cta-card p {
    color: rgba(255, 255, 255, .85);
}

.cta-card a.text-accent-white {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.cta-card .btn-outline {
    background-color: rgba(255, 255, 255, .08);
    border-color: rgba(255, 255, 255, .4);
    color: #fff;
}

.cta-card .btn-outline:hover {
    background-color: #fff;
    color: var(--color-primary-dark);
    border-color: #fff;
}

/* ---------- 11. Project grid ---------- */
.project-grid .project-card-col {
    margin-bottom: 1.75rem;
}

.project-card {
    position: relative;
    display: block;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4 / 3.1;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
}

.project-card img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-card__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    background: rgba(11, 11, 15, .72);
    color: #fff;
    font-weight: 600;
    opacity: 0;
    transition: opacity .3s var(--ease);
}

.project-card:hover .project-card__overlay {
    opacity: 1;
}

.project-card__overlay svg {
    width: 18px;
    height: 18px;
}

.project-card__title {
    margin-top: 1rem;
    font-weight: 600;
    font-size: 1.02rem;
    color: var(--color-text);
    transition: color .25s var(--ease);
}

.project-card-link:hover .project-card__title {
    color: var(--color-primary);
}

.grid-cta {
    text-align: center;
    margin-top: 1rem;
}

/* ---------- 12. Blog grid ---------- */
.blog-grid .blog-card-col {
    margin-bottom: 1.75rem;
}

.blog-card {
    position: relative;
    display: block;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    border: 1px solid var(--color-border);
    background-color: var(--color-surface);
}

.blog-card img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 11, 15, 0) 45%, rgba(11, 11, 15, .92));
}

.blog-card__title {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 1.25rem;
    z-index: 1;
    font-size: 1.05rem;
    font-weight: 600;
    color: #fff;
}

/* ---------- 13. Clients ---------- */
.clients-section {
    background-color: var(--color-surface);
}

.clients-slider .splide__track {
    padding: .5rem 0;
}

.client-logo-item {
    height: 64px;
    border-radius: var(--radius-sm);
    background-color: var(--color-surface-2);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: .75rem 1.25rem;
    filter: grayscale(1) brightness(1.6);
    opacity: .7;
    transition: opacity .3s var(--ease), filter .3s var(--ease);
}

.client-logo-item img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.client-logo-item:hover {
    opacity: 1;
    filter: grayscale(0) brightness(1);
}

/* ---------- 14. Footer callback form ---------- */
.callback-section {
    background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
    border-top: 1px solid var(--color-border);
}

.callback-form .form-group,
.contact-form .form-group {
    margin-bottom: 1rem;
}

.form-control {
    width: 100%;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    color: var(--color-text);
    font-family: var(--font-base);
    font-size: .95rem;
    padding: .95rem 1.35rem;
    border-radius: var(--radius-pill);
    transition: border-color .25s var(--ease), background-color .25s var(--ease);
}

.form-control::placeholder {
    color: var(--color-text-faint);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-surface-2);
}

.form-control.is-invalid {
    border-color: var(--color-primary);
}

/* ---------- 15. Site footer ---------- */
.site-footer {
    padding: 5rem 0 2rem;
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
}

.footer-col {
    margin-bottom: 2.25rem;
}

/* Direct child only — otherwise this bleeds into the contact icons below and stretches them */
.footer-brand>img {
    height: 24px;
    margin-bottom: 1.1rem;
}

.footer-brand p {
    max-width: 280px;
    margin-bottom: 1.25rem;
}

.footer-contact-link {
    display: flex;
    align-items: center;
    gap: .75rem;
    color: var(--color-text-muted);
    margin-bottom: .9rem;
    font-size: .95rem;
}

.footer-contact-link:hover {
    color: var(--color-primary);
}

.footer-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: .85;
    /* Source icons are black line art — invert so they read on our dark background */
    filter: invert(1);
}

.footer-heading {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 1.35rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: .8rem;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: .95rem;
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-cta {
    margin-top: 1.5rem;
}

.footer-bottom {
    padding: 1.75rem 0;
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    text-align: center;
    font-size: .88rem;
    color: var(--color-text-faint);
}

.footer-bottom a {
    color: var(--color-text);
    font-weight: 600;
}

.footer-bottom a:hover {
    color: var(--color-primary);
}

/* ---------- 16. Floating actions ---------- */
.whatsapp-float {
    position: fixed;
    right: 1.75rem;
    bottom: 1.75rem;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    z-index: 900;
    box-shadow: 0 12px 28px rgba(0, 0, 0, .35);
    transition: transform .25s var(--ease);
}

.whatsapp-float:hover {
    transform: scale(1.08);
}

.whatsapp-float img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.scroll-top-btn {
    position: fixed;
    left: 1.75rem;
    bottom: 1.75rem;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    color: var(--color-text);
    cursor: pointer;
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity .3s var(--ease), transform .3s var(--ease), background-color .25s var(--ease), visibility .3s;
}

.scroll-top-btn.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top-btn:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.scroll-top-btn svg {
    width: 18px;
    height: 18px;
}

/* ---------- 17. Responsive tweaks ---------- */
@media (max-width: 767px) {
    .site-footer {
        padding-top: 3.5rem;
    }

    .section {
        --section-py: 3rem;
    }
}