/* =========================================================
   AMS SERVICES — Site vitrine premium climatisation
   Sommaire
   01. Variables & reset
   02. Layout global
   03. Header & navigation
   04. Hero premium
   05. Sections communes
   06. Services
   07. Tarifs
   08. Entretien & méthode
   09. Widget avis
   10. Contact
   11. Footer
   12. Responsive
   ========================================================= */

/* 01. Variables & reset */
:root {
    --color-bg: #070707;
    --color-bg-soft: #101010;
    --color-surface: #141414;
    --color-surface-strong: #1b1b1b;
    --color-surface-soft: #202020;
    --color-gold: #d6a843;
    --color-gold-light: #f4d47e;
    --color-gold-dark: #9f7421;
    --color-ice: #dff8ff;
    --color-ice-soft: rgba(223, 248, 255, 0.1);
    --color-text: #f5f0e8;
    --color-muted: #b8b2a7;
    --color-muted-2: #817b71;
    --color-border: rgba(214, 168, 67, 0.2);
    --color-border-soft: rgba(255, 255, 255, 0.09);
    --color-danger: #ff8b7f;
    --color-success: #8ee7bb;
    --color-warning: #ffd27a;
    --shadow-card: 0 26px 70px rgba(0, 0, 0, 0.36);
    --shadow-gold: 0 18px 42px rgba(214, 168, 67, 0.22);
    --radius-lg: 2rem;
    --radius-md: 1.25rem;
    --radius-sm: 0.8rem;
    --container: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--color-text);
    background:
        radial-gradient(circle at 78% 8%, rgba(214, 168, 67, 0.14), transparent 30rem),
        radial-gradient(circle at 12% 18%, rgba(223, 248, 255, 0.08), transparent 26rem),
        linear-gradient(180deg, #050505 0%, #0b0b0b 48%, #050505 100%);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0.34;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(to bottom, black, transparent 78%);
}

img,
picture,
svg {
    max-width: 100%;
}

button,
input,
select,
textarea {
    font: inherit;
}

a {
    color: inherit;
    text-decoration: none;
}

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

/* 02. Layout global */
main {
    overflow: hidden;
}

.section,
.hero,
.cta_band,
.footer_inner {
    width: min(var(--container), calc(100% - 2rem));
    margin-inline: auto;
}

.section {
    padding: 5.4rem 0;
}

.section_compact {
    padding: 2.6rem 0 1rem;
}

.section_heading {
    max-width: 760px;
    margin-bottom: 2rem;
}

.section_heading_center {
    margin-inline: auto;
    text-align: center;
}

.section_heading_center .eyebrow {
    justify-content: center;
}

.section_heading h2,
.split_content h2,
.contact_intro h2,
.cta_band h2,
.reviews_summary h2 {
    font-size: clamp(2rem, 4vw, 3.45rem);
    line-height: 1.02;
    letter-spacing: -0.055em;
    margin-bottom: 1rem;
}

.section_heading p,
.split_content p,
.contact_intro p,
.hero_text,
.reviews_summary p {
    color: var(--color-muted);
    font-size: 1.05rem;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
    color: var(--color-gold-light);
    font-size: 0.76rem;
    font-weight: 850;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 0.58rem;
    height: 0.58rem;
    border-radius: 50%;
    background: var(--color-gold);
    box-shadow: 0 0 0 0.42rem rgba(214, 168, 67, 0.12), 0 0 28px rgba(244, 212, 126, 0.6);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0.82rem 1.25rem;
    border: 1px solid transparent;
    border-radius: 999px;
    font-weight: 850;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
}

.button_primary {
    color: #160f03;
    background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold) 52%, var(--color-gold-dark));
    box-shadow: var(--shadow-gold);
}

.button_secondary {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.045);
    border-color: var(--color-border);
}

.button_secondary:hover,
.button_secondary:focus-visible {
    background: rgba(214, 168, 67, 0.1);
    border-color: rgba(244, 212, 126, 0.48);
}

.button_light {
    color: #140f06;
    background: linear-gradient(135deg, #fff3c2, var(--color-gold));
    box-shadow: var(--shadow-gold);
}

.flash_message {
    width: min(var(--container), calc(100% - 2rem));
    margin: 6.3rem auto -3rem;
    padding: 1rem 1.15rem;
    border-radius: var(--radius-sm);
    background: rgba(20, 20, 20, 0.92);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    font-weight: 750;
}

.flash_success {
    color: var(--color-success);
}

.flash_error {
    color: var(--color-danger);
}

.flash_warning {
    color: var(--color-warning);
}

/* 03. Header & navigation */
.site_header {
    position: fixed;
    z-index: 20;
    top: 1rem;
    left: 50%;
    width: min(var(--container), calc(100% - 2rem));
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.72rem;
    border: 1px solid rgba(214, 168, 67, 0.2);
    border-radius: 999px;
    background: rgba(8, 8, 8, 0.76);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.42);
    backdrop-filter: blur(18px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    min-width: max-content;
}

.brand_mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    color: #0e0b05;
    background:
        radial-gradient(circle at 32% 22%, rgba(255, 255, 255, 0.72), transparent 30%),
        linear-gradient(135deg, var(--color-gold-light), var(--color-gold-dark));
    font-size: 0.8rem;
    font-weight: 950;
    letter-spacing: 0.08em;
    box-shadow: 0 12px 32px rgba(214, 168, 67, 0.22);
}

.brand_text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.brand_text strong {
    font-size: 0.95rem;
    letter-spacing: 0.08em;
}

.brand_text small {
    color: var(--color-muted);
    font-size: 0.72rem;
}

.main_nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.main_nav a {
    padding: 0.78rem 1rem;
    border-radius: 999px;
    color: var(--color-muted);
    font-size: 0.92rem;
    font-weight: 750;
    transition: color 0.2s ease, background 0.2s ease;
}

.main_nav a:hover,
.main_nav a:focus-visible {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.06);
}

.main_nav .nav_cta {
    color: #160f03;
    background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
}

.nav_toggle {
    display: none;
    width: 3rem;
    height: 3rem;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
}

.nav_toggle span {
    display: block;
    width: 1.15rem;
    height: 2px;
    margin: 0.25rem auto;
    border-radius: 999px;
    background: var(--color-text);
}

/* 04. Hero premium */
.hero {
    min-height: 760px;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
    gap: 3rem;
    align-items: center;
    padding-top: 8rem;
}

.hero_content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    max-width: 760px;
    margin-bottom: 1.2rem;
    font-size: clamp(3rem, 7vw, 6.6rem);
    line-height: 0.92;
    letter-spacing: -0.078em;
}

.hero_text {
    max-width: 630px;
    margin-bottom: 1.8rem;
}

.hero_actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-bottom: 2rem;
}

.hero_reassurance {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.hero_reassurance span {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.62rem 0.82rem;
    border: 1px solid var(--color-border-soft);
    border-radius: 999px;
    color: var(--color-muted);
    background: rgba(255, 255, 255, 0.04);
    font-size: 0.88rem;
    font-weight: 750;
}

.hero_reassurance span::before {
    content: "✓";
    color: var(--color-gold-light);
}

.hero_visual {
    position: relative;
    min-height: 540px;
    border: 1px solid var(--color-border-soft);
    border-radius: 2.4rem;
    overflow: hidden;
    background:
        radial-gradient(circle at 70% 20%, rgba(214, 168, 67, 0.22), transparent 16rem),
        linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='660' height='680' viewBox='0 0 660 680'%3E%3Crect width='660' height='680' fill='%23100f0e'/%3E%3Ccircle cx='500' cy='150' r='210' fill='%23201a11'/%3E%3Cpath d='M70 530 C190 410 280 460 380 310 C470 170 560 220 640 100' stroke='%23d6a843' stroke-width='2' opacity='.24' fill='none'/%3E%3Cpath d='M0 620 C160 520 280 590 420 440 C520 330 580 360 660 260' stroke='%23dff8ff' stroke-width='2' opacity='.12' fill='none'/%3E%3C/svg%3E");
    background-size: cover;
    box-shadow: var(--shadow-card);
}

.hero_visual::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(5, 5, 5, 0.82), rgba(5, 5, 5, 0.08) 58%, rgba(5, 5, 5, 0.15));
}

.ac_wall_unit {
    position: absolute;
    top: 5.2rem;
    right: 3rem;
    width: min(78%, 410px);
    height: 118px;
    border-radius: 1.4rem;
    background:
        linear-gradient(180deg, rgba(255,255,255,0.18), transparent 48%),
        linear-gradient(135deg, #2b2b2b, #060606 62%, #181818);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 34px 90px rgba(0, 0, 0, 0.7), inset 0 -14px 28px rgba(0, 0, 0, 0.42);
}

.ac_wall_unit::before {
    content: "AMS";
    position: absolute;
    top: 42%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(244, 212, 126, 0.92);
    font-size: 0.8rem;
    font-weight: 900;
    letter-spacing: 0.16em;
}

.ac_wall_unit span:first-child {
    position: absolute;
    left: 2.2rem;
    right: 2.2rem;
    bottom: 1.35rem;
    height: 5px;
    border-radius: 999px;
    background: rgba(223, 248, 255, 0.16);
}

.ac_wall_unit span:last-child {
    position: absolute;
    right: 2rem;
    bottom: 2.15rem;
    width: 4rem;
    height: 2px;
    border-radius: 999px;
    background: rgba(244, 212, 126, 0.7);
}

.cool_air_flow {
    position: absolute;
    top: 12.5rem;
    right: 5rem;
    display: grid;
    gap: 1.1rem;
    width: 300px;
    transform: rotate(-8deg);
}

.cool_air_flow i {
    display: block;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, transparent, rgba(223, 248, 255, 0.85), transparent);
    filter: drop-shadow(0 0 16px rgba(223, 248, 255, 0.6));
}

.cool_air_flow i:nth-child(2) {
    width: 82%;
    margin-left: 3rem;
}

.cool_air_flow i:nth-child(3) {
    width: 62%;
    margin-left: 6rem;
}

.hero_badge_card {
    position: absolute;
    left: 2rem;
    bottom: 2rem;
    width: min(280px, calc(100% - 4rem));
    padding: 1.35rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: rgba(10, 10, 10, 0.68);
    backdrop-filter: blur(16px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.48);
}

.hero_badge_card strong {
    display: block;
    color: var(--color-gold-light);
    font-size: 3rem;
    line-height: 1;
    letter-spacing: -0.06em;
}

.hero_badge_card span {
    color: var(--color-muted);
    font-weight: 750;
}

/* 05. Sections communes */
.stats_grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.stats_grid article,
.service_card,
.pricing_card,
.maintenance_card,
.timeline article,
.contact_form,
.contact_cards a,
.contact_cards div,
.review_card,
.reviews_widget {
    border: 1px solid var(--color-border-soft);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
    box-shadow: var(--shadow-card);
}

.stats_grid article {
    padding: 1.5rem;
    border-radius: var(--radius-md);
}

.stats_grid strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--color-gold-light);
    font-size: 2rem;
    letter-spacing: -0.05em;
}

.stats_grid span {
    color: var(--color-muted);
    font-weight: 720;
}

/* 06. Services */
.services_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.service_card {
    position: relative;
    min-height: 250px;
    padding: 1.45rem;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.service_card::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0;
    background: radial-gradient(circle at 30% 0%, rgba(214, 168, 67, 0.17), transparent 15rem);
    transition: opacity 0.2s ease;
}

.service_card:hover::before {
    opacity: 1;
}

.service_icon {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    margin-bottom: 1.1rem;
    border-radius: 50%;
    color: var(--color-gold-light);
    background: rgba(214, 168, 67, 0.1);
    border: 1px solid var(--color-border);
    font-size: 1.25rem;
}

.service_card h3,
.pricing_card h3,
.timeline h3 {
    position: relative;
    margin-bottom: 0.6rem;
    font-size: 1.18rem;
    letter-spacing: -0.02em;
}

.service_card p,
.pricing_card li,
.timeline p,
.review_card p {
    position: relative;
    color: var(--color-muted);
    font-size: 0.96rem;
}

.service_card a {
    position: relative;
    display: inline-flex;
    margin-top: 0.8rem;
    color: var(--color-gold-light);
    font-weight: 850;
    font-size: 0.92rem;
}

.service_card a::after {
    content: "→";
    margin-left: 0.4rem;
}

/* 07. Tarifs */
.pricing_section {
    position: relative;
}

.pricing_grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.pricing_card {
    padding: 1.55rem;
    border-radius: var(--radius-md);
}

.pricing_card_featured {
    border-color: rgba(244, 212, 126, 0.55);
    background:
        radial-gradient(circle at 50% 0%, rgba(214, 168, 67, 0.18), transparent 16rem),
        linear-gradient(145deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.03));
}

.pricing_label {
    display: inline-flex;
    margin-bottom: 1rem;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    color: var(--color-gold-light);
    background: rgba(214, 168, 67, 0.1);
    border: 1px solid var(--color-border);
    font-size: 0.75rem;
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.price {
    margin-bottom: 1.1rem;
    color: var(--color-muted);
}

.price strong {
    display: block;
    color: var(--color-text);
    font-size: 1.8rem;
    line-height: 1.1;
    letter-spacing: -0.055em;
}

.pricing_card ul {
    display: grid;
    gap: 0.45rem;
    margin: 0 0 1.35rem;
    padding: 0;
    list-style: none;
}

.pricing_card li {
    display: flex;
    gap: 0.55rem;
}

.pricing_card li::before {
    content: "✓";
    flex: 0 0 auto;
    color: var(--color-gold-light);
    font-weight: 900;
}

.pricing_card .button {
    width: 100%;
}

/* 08. Entretien & méthode */
.split_section {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 2rem;
    align-items: stretch;
}

.check_list {
    display: grid;
    gap: 0.7rem;
    margin: 1.4rem 0 0;
    padding: 0;
    list-style: none;
}

.check_list li {
    display: flex;
    gap: 0.7rem;
    color: var(--color-muted);
    font-weight: 720;
}

.check_list li::before {
    content: "✓";
    flex: 0 0 auto;
    color: var(--color-gold-light);
    font-weight: 900;
}

.maintenance_card {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-height: 360px;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    background:
        radial-gradient(circle at 70% 14%, rgba(214, 168, 67, 0.2), transparent 13rem),
        linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.025));
}

.maintenance_label {
    margin-bottom: 0.8rem;
    color: var(--color-gold-light);
    font-size: 0.78rem;
    font-weight: 850;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.maintenance_card strong {
    max-width: 280px;
    margin-bottom: 0.7rem;
    font-size: 2.1rem;
    line-height: 1.05;
    letter-spacing: -0.05em;
}

.maintenance_card p {
    color: var(--color-muted);
}

.timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.timeline article {
    padding: 1.4rem;
    border-radius: var(--radius-md);
}

.timeline span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    margin-bottom: 1rem;
    border-radius: 50%;
    color: #130e05;
    background: var(--color-gold);
    font-weight: 950;
}

/* 09. Widget avis */
.reviews_widget {
    display: grid;
    grid-template-columns: 0.86fr 1.14fr;
    gap: 1.2rem;
    padding: 1.2rem;
    border-radius: var(--radius-lg);
    background:
        radial-gradient(circle at 18% 0%, rgba(214, 168, 67, 0.18), transparent 18rem),
        linear-gradient(145deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.025));
}

.reviews_summary {
    padding: 1.2rem;
}

.rating_big {
    display: grid;
    gap: 0.1rem;
    margin: 1.4rem 0 1.2rem;
}

.rating_big strong {
    color: var(--color-gold-light);
    font-size: 4.6rem;
    line-height: 0.9;
    letter-spacing: -0.08em;
}

.rating_big span,
.review_head span {
    color: var(--color-gold-light);
    letter-spacing: 0.08em;
}

.rating_big small {
    color: var(--color-muted);
    font-weight: 750;
}

.reviews_cards {
    display: grid;
    gap: 1rem;
}

.review_card {
    padding: 1.2rem;
    border-radius: var(--radius-md);
    box-shadow: none;
}

.review_head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.65rem;
}

.review_head strong {
    font-size: 1rem;
}

.review_card p {
    margin-bottom: 0;
}

/* 10. Contact */
.cta_band {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 2rem;
    border: 1px solid rgba(244, 212, 126, 0.34);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(circle at 78% 20%, rgba(244, 212, 126, 0.22), transparent 16rem),
        linear-gradient(135deg, rgba(214, 168, 67, 0.25), rgba(255, 255, 255, 0.045));
    box-shadow: var(--shadow-card);
}

.cta_band h2 {
    max-width: 760px;
    margin-bottom: 0;
}

.contact_section {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 2rem;
    align-items: start;
}

.contact_cards {
    display: grid;
    gap: 0.85rem;
    margin-top: 1.5rem;
}

.contact_cards a,
.contact_cards div {
    display: grid;
    gap: 0.2rem;
    padding: 1rem;
    border-radius: var(--radius-sm);
}

.contact_cards span {
    color: var(--color-muted-2);
    font-size: 0.82rem;
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.contact_cards strong {
    color: var(--color-text);
}


.contact_flash {
    margin: 1.2rem 0;
    padding: 1rem 1.15rem;
    border-radius: var(--radius-sm);
    background: rgba(20, 20, 20, 0.92);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    font-weight: 750;
}

.contact_form {
    padding: 1.35rem;
    border-radius: var(--radius-lg);
}

.form_grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.9rem;
}

.field {
    display: grid;
    gap: 0.45rem;
    margin-bottom: 0.9rem;
}

.field_hidden {
    position: absolute;
    left: -9999px;
}

label {
    color: var(--color-muted);
    font-weight: 800;
    font-size: 0.9rem;
}

input,
select,
textarea {
    width: 100%;
    color: var(--color-text);
    border: 1px solid var(--color-border-soft);
    border-radius: 0.9rem;
    background: rgba(255, 255, 255, 0.055);
    outline: none;
    padding: 0.9rem 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

select {
    color-scheme: dark;
    color: var(--color-text);
    background-color: var(--color-bg);
}

select option,
select optgroup {
    color: var(--color-text);
    background-color: var(--color-bg);
}

select option:checked {
    color: var(--color-gold-light);
    background-color: var(--color-surface-strong);
}

textarea {
    resize: vertical;
    min-height: 150px;
}

input:focus,
select:focus,
textarea:focus {
    border-color: rgba(244, 212, 126, 0.68);
    background: rgba(255, 255, 255, 0.075);
    box-shadow: 0 0 0 4px rgba(214, 168, 67, 0.11);
}

.checkbox_field {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    margin: 0.6rem 0 1rem;
    color: var(--color-muted);
}

.checkbox_field input {
    width: auto;
    margin-top: 0.2rem;
    accent-color: var(--color-gold);
}

.contact_form .button {
    width: 100%;
}

/* 11. Footer */
.site_footer {
    border-top: 1px solid var(--color-border-soft);
    background: rgba(0, 0, 0, 0.28);
}

.footer_inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.6rem 0;
    color: var(--color-muted);
    font-size: 0.94rem;
}

.footer_links {
    display: flex;
    gap: 1rem;
}

.footer_links a {
    color: var(--color-gold-light);
    font-weight: 760;
}

/* 12. Responsive */
@media (max-width: 980px) {
    .site_header {
        align-items: flex-start;
        border-radius: 1.5rem;
    }

    .nav_toggle {
        display: inline-block;
        flex: 0 0 auto;
    }

    .main_nav {
        position: absolute;
        top: calc(100% + 0.6rem);
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 0.8rem;
        border: 1px solid var(--color-border);
        border-radius: 1.25rem;
        background: rgba(8, 8, 8, 0.95);
        box-shadow: var(--shadow-card);
        backdrop-filter: blur(18px);
    }

    .main_nav.is_open {
        display: flex;
    }

    .main_nav a {
        text-align: center;
    }

    .hero,
    .contact_section,
    .reviews_widget,
    .split_section {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
        gap: 2rem;
        padding-top: 7.6rem;
    }

    .hero_visual {
        min-height: 440px;
    }

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

    .pricing_grid,
    .stats_grid {
        grid-template-columns: 1fr;
    }

    .cta_band {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .section {
        padding: 4rem 0;
    }

    .site_header {
        top: 0.65rem;
        width: calc(100% - 1rem);
        padding: 0.55rem;
    }

    .brand_text small {
        display: none;
    }

    .brand_mark {
        width: 2.7rem;
        height: 2.7rem;
    }

    .hero h1 {
        font-size: clamp(3.1rem, 17vw, 4.8rem);
    }

    .hero_actions,
    .hero_actions .button,
    .cta_band .button {
        width: 100%;
    }

    .hero_visual {
        min-height: 360px;
        border-radius: 1.6rem;
    }

    .ac_wall_unit {
        top: 3.2rem;
        right: 1.2rem;
        width: calc(100% - 2.4rem);
        height: 92px;
    }

    .cool_air_flow {
        top: 9.4rem;
        right: 1.2rem;
        width: 240px;
    }

    .hero_badge_card {
        left: 1rem;
        bottom: 1rem;
        width: calc(100% - 2rem);
    }

    .services_grid,
    .timeline,
    .form_grid {
        grid-template-columns: 1fr;
    }

    .service_card {
        min-height: auto;
    }

    .reviews_widget,
    .contact_form,
    .cta_band {
        padding: 1rem;
        border-radius: 1.35rem;
    }

    .rating_big strong {
        font-size: 3.8rem;
    }

    .footer_inner,
    .footer_links {
        align-items: flex-start;
        flex-direction: column;
    }
}