/* =========================================================
   VARIABLES
========================================================= */

:root {
    --ink: #202322;
    --ink-soft: #565b58;

    --stone: #f2f0ea;
    --stone-dark: #dfdcd3;

    --white: #ffffff;

    --concrete: #888b8c;
    --concrete-dark: #686b6c;

    --accent: #d98124;
    --accent-dark: #af6317;

    --border: #d6d4cd;

    --max-width: 1180px;

    --radius-small: 6px;
    --radius-medium: 14px;
    --radius-large: 24px;
}


/* =========================================================
   RESET / BASE
========================================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    color: var(--ink);
    background: var(--white);

    line-height: 1.6;
}

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

a {
    color: inherit;
}

button,
input,
textarea {
    font: inherit;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    line-height: 1.08;
}

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


/* =========================================================
   LAYOUT
========================================================= */

.container {
    width: min(
        calc(100% - 40px),
        var(--max-width)
    );

    margin-inline: auto;
}

.section {
    padding: 90px 0;
}

.section-stone {
    background: var(--stone);
}

.section-dark {
    padding: 90px 0;

    color: var(--white);
    background: var(--ink);
}

.section-heading {
    max-width: 760px;

    margin-bottom: 50px;
}

.section-heading h2,
.split-layout h2,
.areas-grid h2,
.quote-section h2 {
    margin-bottom: 22px;

    font-size: clamp(
        2rem,
        5vw,
        3.6rem
    );

    letter-spacing: -0.045em;
}

.section-heading > p:last-child,
.section-intro {
    max-width: 680px;

    color: var(--ink-soft);

    font-size: 1.1rem;
}


/* =========================================================
   TYPOGRAPHY
========================================================= */

.eyebrow {
    margin-bottom: 18px;

    color: var(--accent-dark);

    font-size: 0.78rem;
    font-weight: 800;

    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.eyebrow-light {
    color: #f2b36d;
}


/* =========================================================
   BUTTONS
========================================================= */

.button {
    display: inline-flex;

    min-height: 50px;

    align-items: center;
    justify-content: center;

    padding: 12px 22px;

    border: 2px solid var(--accent);
    border-radius: var(--radius-small);

    color: var(--white);
    background: var(--accent);

    font-weight: 700;

    text-decoration: none;

    transition:
        transform 150ms ease,
        background 150ms ease,
        border-color 150ms ease;
}

.button:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);

    transform: translateY(-1px);
}

.button-secondary {
    color: var(--ink);

    background: transparent;
    border-color: var(--ink);
}

.button-secondary:hover {
    color: var(--white);
    background: var(--ink);
    border-color: var(--ink);
}

.button-small {
    min-height: 42px;

    padding: 8px 16px;

    font-size: 0.9rem;
}


/* =========================================================
   HEADER
========================================================= */

.site-header {
    position: sticky;
    z-index: 100;
    top: 0;

    border-bottom: 1px solid var(--border);

    background: rgba(255, 255, 255, 0.95);
}

.header-inner {
    display: flex;

    min-height: 74px;

    align-items: center;
    justify-content: space-between;

    gap: 30px;
}

.brand {
    display: flex;

    align-items: center;

    gap: 12px;

    font-weight: 800;

    text-decoration: none;
}

.brand-mark {
    display: inline-flex;

    width: 46px;
    height: 38px;

    align-items: center;
    justify-content: center;

    color: var(--white);
    background: var(--concrete-dark);

    font-size: 0.9rem;
    font-weight: 900;

    letter-spacing: -0.05em;
}

.brand-text {
    font-size: 0.95rem;
}

.main-nav {
    display: flex;

    align-items: center;

    gap: 26px;
}

.main-nav a {
    color: var(--ink-soft);

    font-size: 0.9rem;
    font-weight: 700;

    text-decoration: none;
}

.main-nav a:hover {
    color: var(--ink);
}


/* =========================================================
   HERO
========================================================= */

.hero {
    padding: 90px 0 100px;

    overflow: hidden;

    background:
        linear-gradient(
            110deg,
            #ffffff 0%,
            #ffffff 60%,
            var(--stone) 60%,
            var(--stone) 100%
        );
}

.hero-grid {
    display: grid;

    grid-template-columns:
        minmax(0, 1.1fr)
        minmax(340px, 0.9fr);

    align-items: center;

    gap: 70px;
}

.hero h1 {
    max-width: 780px;

    margin-bottom: 18px;

    font-size: clamp(
        3rem,
        7vw,
        5.8rem
    );

    letter-spacing: -0.065em;
}

.hero h1 span {
    color: var(--concrete-dark);
}

.hero-lead {
    margin-bottom: 15px;

    color: var(--accent-dark);

    font-size: clamp(
        1.45rem,
        3vw,
        2rem
    );

    font-weight: 800;
}

.hero-copy {
    max-width: 650px;

    margin-bottom: 30px;

    color: var(--ink-soft);

    font-size: 1.15rem;
}

.hero-actions {
    display: flex;

    flex-wrap: wrap;

    gap: 12px;

    margin-bottom: 30px;
}

.hero-points {
    display: flex;

    flex-wrap: wrap;

    gap:
        8px
        25px;

    margin: 0;
    padding: 0;

    list-style: none;
}

.hero-points li {
    color: var(--ink-soft);

    font-size: 0.9rem;
    font-weight: 700;
}

.hero-points li::before {
    content: "✓";

    margin-right: 7px;

    color: var(--accent-dark);
}


/* =========================================================
   TEMPORARY HERO GRAPHIC
========================================================= */

.drawing-card {
    padding: 30px;

    border: 1px solid var(--border);
    border-radius: var(--radius-large);

    background: var(--white);

    box-shadow:
        0 25px 70px rgba(0, 0, 0, 0.08);
}

.drawing-heading {
    margin-bottom: 30px;

    font-size: 0.82rem;
    font-weight: 800;

    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.base-drawing {
    position: relative;

    margin-bottom: 30px;

    padding:
        42px
        28px
        20px;
}

.slab {
    position: relative;
    z-index: 2;

    height: 92px;

    display: flex;

    align-items: center;
    justify-content: center;

    border: 2px solid var(--concrete-dark);

    color: var(--white);
    background: var(--concrete);

    font-size: 0.9rem;
    font-weight: 800;
}

.sub-base {
    height: 52px;

    display: flex;

    align-items: center;
    justify-content: center;

    color: #45413a;
    background:
        repeating-linear-gradient(
            135deg,
            #d8d2c6,
            #d8d2c6 8px,
            #c8c1b4 8px,
            #c8c1b4 16px
        );

    font-size: 0.78rem;
    font-weight: 700;
}

.ground {
    height: 45px;

    display: flex;

    align-items: center;
    justify-content: center;

    color: #ffffff;
    background: #726350;

    font-size: 0.75rem;
    font-weight: 700;
}

.dimension {
    position: absolute;

    color: var(--ink-soft);

    font-size: 0.7rem;
    font-weight: 700;

    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.dimension-width {
    top: 8px;
    right: 28px;
    left: 28px;

    border-top: 1px solid var(--ink);
}

.dimension-width::before,
.dimension-width::after {
    content: "";

    position: absolute;
    top: -5px;

    width: 1px;
    height: 10px;

    background: var(--ink);
}

.dimension-width::before {
    left: 0;
}

.dimension-width::after {
    right: 0;
}

.dimension-width span {
    position: absolute;
    top: -14px;
    left: 50%;

    padding: 0 8px;

    background: var(--white);

    transform: translateX(-50%);
}

.dimension-depth {
    top: 42px;
    right: 5px;
    bottom: 20px;

    border-right: 1px solid var(--ink);
}

.dimension-depth span {
    position: absolute;
    top: 50%;
    right: -31px;

    width: 70px;

    background: var(--white);

    text-align: center;

    transform:
        translateY(-50%)
        rotate(-90deg);
}

.drawing-card > p {
    color: var(--ink-soft);

    font-size: 0.9rem;
}


/* =========================================================
   TRUST STRIP
========================================================= */

.trust-strip {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);

    background: var(--white);
}

.trust-grid {
    display: grid;

    grid-template-columns: repeat(3, 1fr);
}

.trust-grid > div {
    padding: 28px 30px;

    border-right: 1px solid var(--border);
}

.trust-grid > div:first-child {
    padding-left: 0;
}

.trust-grid > div:last-child {
    border-right: 0;
}

.trust-grid strong,
.trust-grid span {
    display: block;
}

.trust-grid strong {
    margin-bottom: 3px;
}

.trust-grid span {
    color: var(--ink-soft);

    font-size: 0.86rem;
}


/* =========================================================
   SERVICE CARDS
========================================================= */

.card-grid {
    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 18px;
}

.service-card {
    min-height: 270px;

    padding: 28px;

    border: 1px solid var(--border);
    border-radius: var(--radius-medium);

    background: var(--white);
}

.card-number {
    display: block;

    margin-bottom: 65px;

    color: var(--accent-dark);

    font-size: 0.75rem;
    font-weight: 800;
}

.service-card h3 {
    margin-bottom: 13px;

    font-size: 1.45rem;
}

.service-card p {
    color: var(--ink-soft);

    font-size: 0.95rem;
}


/* =========================================================
   SPLIT SECTIONS
========================================================= */

.split-layout {
    display: grid;

    grid-template-columns:
        minmax(0, 1fr)
        minmax(0, 1fr);

    gap: 90px;
}

.split-copy {
    max-width: 620px;

    font-size: 1.05rem;
}

.section-dark .split-copy {
    color: #c9cecb;
}

.requirements {
    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 1px;

    margin-top: 60px;

    overflow: hidden;

    border: 1px solid #424745;
    border-radius: var(--radius-medium);

    background: #424745;
}

.requirements > div {
    min-height: 150px;

    padding: 25px;

    background: #282c2b;
}

.requirements span {
    display: block;

    margin-bottom: 35px;

    color: #f2b36d;

    font-size: 0.75rem;
    font-weight: 800;
}

.requirements p {
    font-weight: 700;
}


/* =========================================================
   PROCESS
========================================================= */

.process-list {
    margin: 0;
    padding: 0;

    border-top: 1px solid var(--border);

    list-style: none;
}

.process-list li {
    display: grid;

    grid-template-columns:
        100px
        minmax(0, 700px);

    gap: 30px;

    padding: 35px 0;

    border-bottom: 1px solid var(--border);
}

.process-number {
    color: var(--accent-dark);

    font-size: 0.8rem;
    font-weight: 800;
}

.process-list h3 {
    margin-bottom: 8px;

    font-size: 1.5rem;
}

.process-list p {
    color: var(--ink-soft);
}


/* =========================================================
   AREAS
========================================================= */

.areas-grid {
    display: grid;

    grid-template-columns:
        minmax(0, 1fr)
        minmax(300px, 0.85fr);

    gap: 80px;
}

.location-list {
    display: flex;

    align-content: flex-start;
    flex-wrap: wrap;

    gap: 10px;
}

.location-list span {
    padding: 10px 14px;

    border: 1px solid var(--border);
    border-radius: 100px;

    background: var(--stone);

    font-size: 0.9rem;
    font-weight: 700;
}


/* =========================================================
   FAQ
========================================================= */

.faq-list {
    max-width: 850px;

    border-top: 1px solid var(--border);
}

.faq-list details {
    border-bottom: 1px solid var(--border);
}

.faq-list summary {
    position: relative;

    padding:
        24px
        50px
        24px
        0;

    cursor: pointer;

    font-size: 1.1rem;
    font-weight: 800;

    list-style: none;
}

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

.faq-list summary::after {
    content: "+";

    position: absolute;

    top: 22px;
    right: 5px;

    color: var(--accent-dark);

    font-size: 1.5rem;
    font-weight: 400;
}

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

.faq-list details p {
    max-width: 720px;

    padding-bottom: 25px;

    color: var(--ink-soft);
}


/* =========================================================
   QUOTE
========================================================= */

.quote-section {
    padding: 90px 0;

    color: var(--white);
    background: var(--concrete-dark);
}

.quote-grid {
    display: grid;

    grid-template-columns:
        minmax(0, 1fr)
        minmax(330px, 0.8fr);

    align-items: start;

    gap: 80px;
}

.quote-section p {
    max-width: 600px;

    color: #e1e3e2;
}

.contact-card {
    overflow: hidden;

    border-radius: var(--radius-medium);

    background: var(--white);
}

.contact-card a {
    display: block;

    padding: 22px 24px;

    border-bottom: 1px solid var(--border);

    color: var(--ink);

    text-decoration: none;
}

.contact-card a:last-child {
    border-bottom: 0;
}

.contact-card a:hover {
    background: var(--stone);
}

.contact-card span,
.contact-card strong {
    display: block;
}

.contact-card span {
    margin-bottom: 4px;

    color: var(--ink-soft);

    font-size: 0.72rem;
    font-weight: 700;

    letter-spacing: 0.08em;
    text-transform: uppercase;
}


/* =========================================================
   FOOTER
========================================================= */

.site-footer {
    padding: 45px 0;

    color: #c8cdca;
    background: #171918;
}

.footer-inner {
    display: flex;

    align-items: end;
    justify-content: space-between;

    gap: 40px;
}

.footer-inner strong {
    color: var(--white);
}

.footer-inner p {
    margin-top: 5px;

    font-size: 0.82rem;
}


/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 900px) {

    .main-nav {
        display: none;
    }

    .hero {
        background: var(--white);
    }

    .hero-grid,
    .split-layout,
    .areas-grid,
    .quote-grid {
        grid-template-columns: 1fr;
    }

    .hero-grid,
    .split-layout,
    .areas-grid,
    .quote-grid {
        gap: 50px;
    }

    .card-grid {
        grid-template-columns:
            repeat(2, 1fr);
    }

    .requirements {
        grid-template-columns:
            repeat(2, 1fr);
    }

    .trust-grid {
        grid-template-columns: 1fr;
    }

    .trust-grid > div,
    .trust-grid > div:first-child {
        padding: 20px 0;

        border-right: 0;
        border-bottom: 1px solid var(--border);
    }

    .trust-grid > div:last-child {
        border-bottom: 0;
    }

}


@media (max-width: 620px) {

    .container {
        width: min(
            calc(100% - 30px),
            var(--max-width)
        );
    }

    .section,
    .section-dark,
    .quote-section {
        padding: 65px 0;
    }

    .site-header .button-small {
        display: none;
    }

    .brand-text {
        font-size: 0.85rem;
    }

    .hero {
        padding: 60px 0 70px;
    }

    .hero h1 {
        font-size: clamp(
            2.8rem,
            15vw,
            4.3rem
        );
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .button {
        width: 100%;
    }

    .hero-points {
        display: grid;

        gap: 8px;
    }

    .drawing-card {
        padding: 20px;
    }

    .card-grid,
    .requirements {
        grid-template-columns: 1fr;
    }

    .service-card {
        min-height: auto;
    }

    .card-number {
        margin-bottom: 35px;
    }

    .process-list li {
        grid-template-columns: 45px 1fr;

        gap: 15px;
    }

    .footer-inner {
        display: block;
    }

    .footer-inner > p {
        margin-top: 25px;
    }

}

/* =========================================================
   RESPONSE PROMISE
========================================================= */

.response-promise {
    max-width: 650px;

    margin-bottom: 24px;
    padding: 15px 18px;

    border-left: 4px solid var(--accent);

    background: var(--stone);
}

.response-promise strong,
.response-promise span {
    display: block;
}

.response-promise strong {
    margin-bottom: 2px;

    color: var(--ink);

    font-size: 0.95rem;
}

.response-promise span {
    color: var(--ink-soft);

    font-size: 0.88rem;
}


/* =========================================================
   QUOTE HELP
========================================================= */

.quote-response {
    margin-top: 24px;

    color: var(--white) !important;
}

.quote-help {
    max-width: 610px;

    margin-top: 25px;

    border-top: 1px solid rgba(255, 255, 255, 0.25);
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}

.quote-help summary {
    position: relative;

    padding: 18px 42px 18px 0;

    cursor: pointer;

    color: var(--white);

    font-weight: 800;

    list-style: none;
}

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

.quote-help summary::after {
    content: "+";

    position: absolute;

    top: 13px;
    right: 5px;

    color: #f2b36d;

    font-size: 1.5rem;
    font-weight: 400;
}

.quote-help[open] summary::after {
    content: "−";
}

.quote-help p {
    max-width: 580px;

    color: #e1e3e2;
}

.quote-help p:last-child {
    padding-bottom: 20px;
}

.quote-help em {
    color: var(--white);
}

/* =========================================================
   MOBILE CONTACT BAR
========================================================= */

.mobile-contact-bar {
    display: none;
}

@media (max-width: 620px) {

    body {
        padding-bottom: 68px;
    }

    .mobile-contact-bar {
        position: fixed;
        z-index: 200;
        right: 0;
        bottom: 0;
        left: 0;

        display: grid;

        grid-template-columns: 1fr 1fr;

        min-height: 58px;

        border-top: 1px solid var(--border);

        background: var(--white);

        box-shadow:
            0 -8px 30px rgba(0, 0, 0, 0.08);
    }

    .mobile-contact-bar a {
        display: flex;

        align-items: center;
        justify-content: center;

        color: var(--ink);

        font-weight: 800;

        text-decoration: none;
    }

    .mobile-contact-bar a:first-child {
        border-right: 1px solid var(--border);
    }

    .mobile-contact-bar .mobile-contact-whatsapp {
        color: var(--white);
        background: var(--accent);
    }

}