/* ==========================================================================
   Baldonedo Bâtiment – Main Stylesheet
   Mobile-first, CSS custom properties, no framework
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Custom Properties
   -------------------------------------------------------------------------- */
:root {
    /* Brand colours */
    --clr-primary:      #5aaec0;
    --clr-primary-dark: #3d90a1;
    --clr-primary-light:#7ecbdb;
    --clr-primary-xlt:  #eaf7fa;

    /* Neutrals */
    --clr-dark:   #1a2332;
    --clr-dark-2: #2c3e50;
    --clr-mid:    #546e7a;
    --clr-light:  #f4f7f8;
    --clr-white:  #ffffff;
    --clr-border: #dde6ea;

    /* Status */
    --clr-success: #2ecc71;
    --clr-error:   #e74c3c;

    /* Typography */
    --font-heading: 'Oswald', sans-serif;
    --font-body:    'Alegreya Sans', sans-serif;

    /* Spacing scale */
    --sp-1: 0.25rem;
    --sp-2: 0.5rem;
    --sp-3: 0.75rem;
    --sp-4: 1rem;
    --sp-6: 1.5rem;
    --sp-8: 2rem;
    --sp-10: 2.5rem;
    --sp-12: 3rem;
    --sp-16: 4rem;
    --sp-20: 5rem;
    --sp-24: 6rem;

    /* Layout */
    --container-max: 1180px;
    --container-pad: var(--sp-6);

    /* Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;

    /* Shadows */
    --shadow-sm:  0 1px 4px rgba(26,35,50,0.08);
    --shadow-md:  0 4px 16px rgba(26,35,50,0.12);
    --shadow-lg:  0 8px 32px rgba(26,35,50,0.16);
    --shadow-xl:  0 16px 48px rgba(26,35,50,0.20);

    /* Transitions */
    --transition: 0.25s ease;
    --transition-slow: 0.4s ease;
}

/* --------------------------------------------------------------------------
   2. Reset & Base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--clr-dark-2);
    background: var(--clr-white);
    overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--clr-primary-dark); text-decoration: none; }
a:hover { color: var(--clr-primary); }
ul { list-style: none; }
address { font-style: normal; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--sp-4);
    background: var(--clr-primary-dark);
    color: var(--clr-white);
    padding: var(--sp-2) var(--sp-4);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    z-index: 9999;
    transition: top var(--transition);
}
.skip-link:focus { top: var(--sp-4); }

/* --------------------------------------------------------------------------
   3. Layout Utilities
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

.section {
    padding-block: var(--sp-16);
}
.section--lg { padding-block: var(--sp-24); }
.section--sm { padding-block: var(--sp-10); }
.section--alt { background: var(--clr-light); }
.section--dark {
    background: var(--clr-dark);
    color: var(--clr-white);
}
.section--primary {
    background: var(--clr-primary);
    color: var(--clr-white);
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin-inline: auto;
    margin-bottom: var(--sp-12);
}
.section-eyebrow {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--clr-primary);
    margin-bottom: var(--sp-3);
}
.section--dark .section-eyebrow { color: var(--clr-primary-light); }
.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    line-height: 1.2;
    color: var(--clr-dark);
    margin-bottom: var(--sp-4);
}
.section--dark .section-title { color: var(--clr-white); }
.section-subtitle {
    font-size: 1.0625rem;
    color: var(--clr-mid);
    line-height: 1.7;
}
.section--dark .section-subtitle { color: rgba(255,255,255,0.75); }

/* --------------------------------------------------------------------------
   4. Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.75em 1.75em;
    border-radius: var(--radius-sm);
    transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
    cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
    background: var(--clr-primary);
    color: var(--clr-white);
    border-color: var(--clr-primary);
}
.btn--primary:hover {
    background: var(--clr-primary-dark);
    border-color: var(--clr-primary-dark);
    color: var(--clr-white);
    box-shadow: var(--shadow-md);
}

.btn--outline {
    background: transparent;
    color: var(--clr-white);
    border-color: var(--clr-white);
}
.btn--outline:hover {
    background: var(--clr-white);
    color: var(--clr-primary-dark);
    box-shadow: var(--shadow-md);
}

.btn--outline-dark {
    background: transparent;
    color: var(--clr-primary-dark);
    border-color: var(--clr-primary-dark);
}
.btn--outline-dark:hover {
    background: var(--clr-primary-dark);
    color: var(--clr-white);
}

.btn--lg {
    font-size: 1.0625rem;
    padding: 0.875em 2.25em;
}
.btn--sm {
    font-size: 0.8125rem;
    padding: 0.6em 1.25em;
}

/* --------------------------------------------------------------------------
   5. Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--clr-white);
    box-shadow: var(--shadow-sm);
    border-bottom: 2px solid var(--clr-primary-xlt);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4);
    height: 4.25rem;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    text-decoration: none;
    color: var(--clr-dark);
    flex-shrink: 0;
}
.logo:hover { color: var(--clr-primary-dark); }
.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}
.logo-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--clr-dark);
}
.logo-sub {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--clr-primary-dark);
}
.logo--footer .logo-name { color: var(--clr-white); }
.logo--footer .logo-sub  { color: var(--clr-primary-light); }

.logo-img {
    height: 3.25rem;
    width: auto;
    display: block;
    object-fit: contain;
}

.footer-certs {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
}
.footer-certs img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    opacity: 0.75;
}

/* Hamburger */
.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--sp-2);
    background: none;
    border: none;
    cursor: pointer;
    z-index: 101;
}
.hamburger-bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--clr-dark);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(2) {
    opacity: 0;
}
.nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
.primary-nav {
    position: fixed;
    top: 70px;
    right: 0;
    width: min(320px, 90vw);
    height: calc(100dvh - 70px);
    background: var(--clr-white);
    box-shadow: var(--shadow-xl);
    padding: var(--sp-8) var(--sp-6);
    transform: translateX(110%);
    transition: transform var(--transition-slow);
    display: flex;
    flex-direction: column;
    gap: var(--sp-6);
    overflow-y: auto;
}
.primary-nav.nav--open { transform: translateX(0); }

.nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}
.nav-link {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--clr-dark-2);
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius-sm);
    transition: background var(--transition), color var(--transition);
}
.nav-link:hover,
.nav-link--active {
    background: var(--clr-primary-xlt);
    color: var(--clr-primary-dark);
}
.nav-cta { align-self: flex-start; }

/* Desktop nav */
@media (min-width: 900px) {
    .nav-toggle { display: none; }
    .primary-nav {
        position: static;
        width: auto;
        height: auto;
        transform: none;
        box-shadow: none;
        padding: 0;
        flex-direction: row;
        align-items: center;
        gap: var(--sp-2);
        background: transparent;
        overflow: visible;
    }
    .nav-list {
        flex-direction: row;
        gap: var(--sp-1);
    }
    .nav-link {
        font-size: 0.875rem;
        padding: var(--sp-2) var(--sp-3);
    }
    .nav-cta { align-self: auto; }
}

/* Overlay */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(26,35,50,0.5);
    z-index: 99;
}
.nav-overlay.active { display: block; }

/* --------------------------------------------------------------------------
   6. Hero Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: clamp(520px, 85vh, 780px);
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--clr-dark);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(26,35,50,0.92) 0%, rgba(61,144,161,0.55) 100%),
        url('../assets/images/hero-bg.jpg') center/cover no-repeat;
    z-index: 0;
}

/* Geometric accent */
.hero-bg::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--clr-white);
    clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding-block: var(--sp-24);
    max-width: 680px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--clr-primary-light);
    margin-bottom: var(--sp-4);
}
.hero-eyebrow::before {
    content: '';
    display: block;
    width: 32px;
    height: 2px;
    background: var(--clr-primary-light);
    flex-shrink: 0;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.25rem, 6vw, 3.75rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--clr-white);
    margin-bottom: var(--sp-6);
    text-shadow: 0 2px 12px rgba(0,0,0,0.25);
}
.hero-title span {
    color: var(--clr-primary-light);
}

.hero-desc {
    font-size: clamp(1rem, 2vw, 1.1875rem);
    color: rgba(255,255,255,0.85);
    line-height: 1.7;
    margin-bottom: var(--sp-8);
    max-width: 560px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-4);
    align-items: center;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-8);
    margin-top: var(--sp-12);
    padding-top: var(--sp-8);
    border-top: 1px solid rgba(255,255,255,0.15);
}
.hero-stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--clr-primary-light);
    line-height: 1;
}
.hero-stat-label {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
    margin-top: var(--sp-1);
}

/* --------------------------------------------------------------------------
   7. Services Cards
   -------------------------------------------------------------------------- */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-6);
}

@media (min-width: 640px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
    .services-grid { grid-template-columns: repeat(3, 1fr); }
}

.service-card {
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    padding: var(--sp-8);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--clr-primary), var(--clr-primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--clr-primary-light);
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--clr-primary-xlt);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--sp-6);
    color: var(--clr-primary-dark);
    transition: background var(--transition), color var(--transition);
}
.service-card:hover .service-icon {
    background: var(--clr-primary);
    color: var(--clr-white);
}
.service-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--clr-dark);
    margin-bottom: var(--sp-3);
    letter-spacing: 0.02em;
}
.service-desc {
    font-size: 0.9375rem;
    color: var(--clr-mid);
    line-height: 1.65;
}

/* --------------------------------------------------------------------------
   8. Why Choose Us
   -------------------------------------------------------------------------- */
.why-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-10);
    align-items: center;
}
@media (min-width: 860px) {
    .why-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-16); }
}

.why-image-wrap {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--clr-primary-xlt);
}
.why-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.why-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--sp-4);
    color: var(--clr-primary-dark);
    background: linear-gradient(135deg, var(--clr-primary-xlt), rgba(90,174,192,0.15));
}
.why-badge {
    position: absolute;
    bottom: var(--sp-6);
    right: var(--sp-6);
    background: var(--clr-primary-dark);
    color: var(--clr-white);
    padding: var(--sp-4) var(--sp-6);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-lg);
}
.why-badge-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    color: var(--clr-primary-light);
}
.why-badge-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.85;
}

.why-features {
    display: flex;
    flex-direction: column;
    gap: var(--sp-6);
}
.why-feature {
    display: flex;
    gap: var(--sp-4);
}
.why-feature-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    background: var(--clr-primary-xlt);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-primary-dark);
    margin-top: 2px;
}
.why-feature-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--clr-dark);
    margin-bottom: var(--sp-1);
}
.why-feature-desc {
    font-size: 0.9375rem;
    color: var(--clr-mid);
    line-height: 1.6;
}

/* --------------------------------------------------------------------------
   9. CTA Banner
   -------------------------------------------------------------------------- */
.cta-banner {
    background: linear-gradient(135deg, var(--clr-primary-dark) 0%, var(--clr-primary) 100%);
    padding-block: var(--sp-16);
    position: relative;
    overflow: hidden;
}
.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255,255,255,0.04);
    border-radius: 50%;
    pointer-events: none;
}
.cta-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--sp-6);
}
@media (min-width: 700px) {
    .cta-inner {
        flex-direction: row;
        text-align: left;
        justify-content: space-between;
    }
}
.cta-text { flex: 1; }
.cta-title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 600;
    color: var(--clr-white);
    margin-bottom: var(--sp-2);
}
.cta-subtitle {
    font-size: 1rem;
    color: rgba(255,255,255,0.82);
}
.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-3);
    flex-shrink: 0;
    justify-content: center;
}

/* --------------------------------------------------------------------------
   10. Réalisations – Gallery
   -------------------------------------------------------------------------- */
.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-6);
}
@media (min-width: 600px) {
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
    .gallery-item--wide { grid-column: span 2; }
}

.gallery-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    aspect-ratio: 4/3;
    background: var(--clr-primary-xlt);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
}
.gallery-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}
.gallery-item-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}
.gallery-item:hover .gallery-item-img { transform: scale(1.04); }

.gallery-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--sp-3);
    color: var(--clr-primary-dark);
    background: linear-gradient(135deg, rgba(90,174,192,0.12), rgba(126,203,219,0.2));
    font-size: 0.875rem;
    font-family: var(--font-heading);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26,35,50,0.85) 0%, transparent 55%);
    display: flex;
    align-items: flex-end;
    padding: var(--sp-6);
    opacity: 0;
    transition: opacity var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay-title {
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--clr-white);
    letter-spacing: 0.04em;
}
.gallery-overlay-sub {
    font-size: 0.8125rem;
    color: var(--clr-primary-light);
    margin-top: var(--sp-1);
}

/* --------------------------------------------------------------------------
   11. Testimonials
   -------------------------------------------------------------------------- */
.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-6);
}
@media (min-width: 640px) {
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
}

.testimonial-card {
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    padding: var(--sp-8);
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
}
.testimonial-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.testimonial-quote {
    font-size: 3rem;
    line-height: 1;
    color: var(--clr-primary-light);
    font-family: Georgia, serif;
    margin-bottom: var(--sp-4);
}
.testimonial-text {
    font-size: 0.9375rem;
    color: var(--clr-mid);
    line-height: 1.7;
    margin-bottom: var(--sp-6);
}
.testimonial-stars {
    display: flex;
    gap: 2px;
    margin-bottom: var(--sp-4);
    color: #f59e0b;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding-top: var(--sp-4);
    border-top: 1px solid var(--clr-border);
}
.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--clr-primary-xlt);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--clr-primary-dark);
    flex-shrink: 0;
}
.testimonial-name {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--clr-dark);
}
.testimonial-role {
    font-size: 0.8125rem;
    color: var(--clr-mid);
}

/* --------------------------------------------------------------------------
   12. Contact Page
   -------------------------------------------------------------------------- */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-10);
    align-items: start;
}
@media (min-width: 860px) {
    .contact-layout { grid-template-columns: 1fr 1.3fr; gap: var(--sp-16); }
}

/* Contact Info Panel */
.contact-info-card {
    background: var(--clr-dark);
    border-radius: var(--radius-lg);
    padding: var(--sp-10);
    color: var(--clr-white);
}
.contact-info-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--clr-white);
    margin-bottom: var(--sp-4);
}
.contact-info-desc {
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: var(--sp-8);
    line-height: 1.65;
}
.contact-info-items {
    display: flex;
    flex-direction: column;
    gap: var(--sp-6);
}
.contact-info-item {
    display: flex;
    gap: var(--sp-4);
    align-items: flex-start;
}
.contact-info-icon {
    width: 44px;
    height: 44px;
    background: rgba(90,174,192,0.2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-primary-light);
    flex-shrink: 0;
}
.contact-info-label {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--clr-primary-light);
    margin-bottom: var(--sp-1);
}
.contact-info-value {
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.85);
}
.contact-info-value a {
    color: rgba(255,255,255,0.85);
    transition: color var(--transition);
}
.contact-info-value a:hover { color: var(--clr-primary-light); }

.map-embed {
    margin-top: var(--sp-8);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid rgba(90,174,192,0.3);
}
.map-embed iframe {
    display: block;
    width: 100%;
    height: 220px;
    border: none;
}

/* Contact Form */
.contact-form-card {
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: var(--sp-10);
    box-shadow: var(--shadow-md);
}
.contact-form-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--clr-dark);
    margin-bottom: var(--sp-2);
}
.contact-form-subtitle {
    font-size: 0.9375rem;
    color: var(--clr-mid);
    margin-bottom: var(--sp-8);
}

.form-group {
    margin-bottom: var(--sp-6);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-6);
}
@media (min-width: 540px) {
    .form-row { grid-template-columns: 1fr 1fr; }
}
.form-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--clr-dark-2);
    margin-bottom: var(--sp-2);
}
.form-label .required {
    color: var(--clr-primary);
    margin-left: 2px;
}
.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--clr-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--clr-dark-2);
    background: var(--clr-white);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
    appearance: none;
}
.form-input:focus,
.form-textarea:focus {
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(90,174,192,0.15);
}
.form-input.is-error,
.form-textarea.is-error {
    border-color: var(--clr-error);
    box-shadow: 0 0 0 3px rgba(231,76,60,0.1);
}
.form-textarea {
    resize: vertical;
    min-height: 140px;
}
.form-error {
    display: none;
    font-size: 0.8125rem;
    color: var(--clr-error);
    margin-top: var(--sp-2);
}
.form-error.visible { display: block; }

.form-submit {
    width: 100%;
    justify-content: center;
    font-size: 1rem;
    padding: 0.875em 2em;
    position: relative;
}
.form-submit .btn-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
.form-submit.loading .btn-spinner { display: block; }
.form-submit.loading .btn-text { display: none; }

@keyframes spin { to { transform: rotate(360deg); } }

/* Alert messages */
.form-alert {
    display: none;
    padding: var(--sp-4) var(--sp-6);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    margin-top: var(--sp-4);
    align-items: center;
    gap: var(--sp-3);
}
.form-alert.visible { display: flex; }
.form-alert--success {
    background: rgba(46,204,113,0.1);
    border: 1px solid rgba(46,204,113,0.3);
    color: #1a7a45;
}
.form-alert--error {
    background: rgba(231,76,60,0.08);
    border: 1px solid rgba(231,76,60,0.25);
    color: #c0392b;
}

/* --------------------------------------------------------------------------
   13. Page Hero (inner pages)
   -------------------------------------------------------------------------- */
.page-hero {
    background: linear-gradient(135deg, var(--clr-dark) 0%, var(--clr-dark-2) 100%);
    padding-block: var(--sp-16);
    position: relative;
    overflow: hidden;
}
.page-hero::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--clr-light);
    clip-path: polygon(0 100%, 100% 20%, 100% 100%);
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero-eyebrow {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--clr-primary-light);
    margin-bottom: var(--sp-3);
}
.page-hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--clr-white);
    margin-bottom: var(--sp-4);
}
.page-hero-subtitle {
    font-size: 1.0625rem;
    color: rgba(255,255,255,0.75);
    max-width: 580px;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    gap: var(--sp-2);
    align-items: center;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.55);
    margin-bottom: var(--sp-4);
}
.breadcrumb a { color: var(--clr-primary-light); }
.breadcrumb a:hover { color: var(--clr-white); }
.breadcrumb-sep { opacity: 0.4; }

/* --------------------------------------------------------------------------
   14. Footer
   -------------------------------------------------------------------------- */
.site-footer {
    background: var(--clr-dark);
    color: var(--clr-white);
    padding-top: var(--sp-16);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-10);
}
@media (min-width: 640px) {
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.5fr; }
}

.footer-tagline {
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.6);
    margin-top: var(--sp-4);
    line-height: 1.65;
    max-width: 280px;
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--clr-white);
    margin-bottom: var(--sp-4);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}
.footer-links a, .footer-links li {
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.6);
    transition: color var(--transition);
}
.footer-links a:hover { color: var(--clr-primary-light); }

.footer-contact p {
    display: flex;
    gap: var(--sp-3);
    align-items: flex-start;
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.6);
    margin-bottom: var(--sp-4);
}
.footer-contact svg { flex-shrink: 0; color: var(--clr-primary-light); margin-top: 3px; }
.footer-contact a {
    color: rgba(255,255,255,0.6);
    transition: color var(--transition);
}
.footer-contact a:hover { color: var(--clr-primary-light); }

.footer-bottom {
    margin-top: var(--sp-10);
    padding-block: var(--sp-6);
    border-top: 1px solid rgba(255,255,255,0.1);
}
.footer-bottom-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--sp-2);
}
.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.4);
}

/* --------------------------------------------------------------------------
   15. Back to Top
   -------------------------------------------------------------------------- */
.back-to-top {
    position: fixed;
    bottom: var(--sp-6);
    right: var(--sp-6);
    width: 44px;
    height: 44px;
    background: var(--clr-primary);
    color: var(--clr-white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px);
    transition: opacity var(--transition), transform var(--transition), background var(--transition);
    z-index: 50;
}
.back-to-top:hover {
    background: var(--clr-primary-dark);
    color: var(--clr-white);
}
.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

/* --------------------------------------------------------------------------
   16. Animations & misc
   -------------------------------------------------------------------------- */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* Divider */
.divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--clr-primary), var(--clr-primary-light));
    border-radius: 2px;
    margin-block: var(--sp-4);
}
.divider--center { margin-inline: auto; }

/* Tag / Badge */
.tag {
    display: inline-block;
    padding: 0.25em 0.75em;
    background: var(--clr-primary-xlt);
    color: var(--clr-primary-dark);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
}

/* Utility */
.text-center { text-align: center; }
.mt-auto { margin-top: auto; }
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}