/* ============================================
   IMPRESAIR ENVIRONMENTAL CORP
   Styles — Burgundy & Blush, Minimalist
   ============================================ */

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

:root {
    --burgundy: #722F37;
    --burgundy-deep: #5A252C;
    --burgundy-light: #8B3A42;
    --blush: #FDF2F2;
    --blush-mid: #F9E4E4;
    --blush-warm: #F5D5D5;
    --cream: #FEFAF8;
    --white: #FFFFFF;
    --text-dark: #1A1A1A;
    --text-mid: #3D3D3D;
    --text-light: #6B6B6B;
    --text-muted: #999999;
    --line: rgba(114, 47, 55, 0.12);
    --line-strong: rgba(114, 47, 55, 0.25);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.08);
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Manrope', -apple-system, sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    font-weight: 300;
    color: var(--text-dark);
    background: var(--cream);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ── Typography ── */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
    color: var(--text-dark);
}

.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--burgundy);
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    line-height: 1.15;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 2px;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--burgundy);
    color: var(--white);
    border: 1.5px solid var(--burgundy);
}

.btn-primary:hover {
    background: var(--burgundy-deep);
    border-color: var(--burgundy-deep);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--burgundy);
    border: 1.5px solid var(--burgundy);
}

.btn-outline:hover {
    background: var(--burgundy);
    color: var(--white);
    transform: translateY(-1px);
}

.btn-white {
    background: var(--white);
    color: var(--burgundy);
    border: 1.5px solid var(--white);
}

.btn-white:hover {
    background: var(--blush);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border: 1.5px solid rgba(255,255,255,0.6);
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--burgundy);
    border-color: var(--white);
    transform: translateY(-1px);
}

.btn-full {
    width: 100%;
}

/* ── Navbar ── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(254, 250, 248, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-mark {
    width: 28px;
    height: 28px;
    background: var(--burgundy);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    flex-shrink: 0;
}

.logo-text {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-dark);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--text-mid);
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--burgundy);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--burgundy);
}

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

.nav-cta {
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--burgundy);
    color: var(--burgundy) !important;
    font-weight: 500 !important;
    transition: var(--transition);
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: var(--burgundy);
    color: var(--white) !important;
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 22px;
    height: 1.5px;
    background: var(--text-dark);
    transition: var(--transition);
    transform-origin: center;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    transform: rotate(-45deg) translate(4px, -5px);
}

/* Mobile menu overlay */
.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999;
    background: var(--cream);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.mobile-menu.open {
    display: flex;
}

.mobile-menu-link {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    color: var(--text-dark);
    transition: var(--transition);
}

.mobile-menu-link:hover {
    color: var(--burgundy);
}

.mobile-cta {
    margin-top: 1rem;
    font-family: var(--font-sans) !important;
    font-size: 0.85rem !important;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.75rem 2rem;
    border: 1px solid var(--burgundy);
    color: var(--burgundy) !important;
}

/* ── Hero ── */
.hero {
    min-height: 100vh;
    padding-top: 72px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.hero-grid {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    align-items: stretch;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0;
}

.hero-content {
    padding: 5rem 4rem 4rem 5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--cream);
    border-right: 1px solid var(--line);
}

.hero-eyebrow {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--burgundy);
    margin-bottom: 1.5rem;
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(2.25rem, 4.5vw, 3.5rem);
    font-weight: 300;
    line-height: 1.15;
    color: var(--text-dark);
    margin-bottom: 1.75rem;
}

.hero-sub {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-light);
    max-width: 480px;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.hero-trust .trust-sep {
    color: var(--blush-warm);
}

.hero-image {
    position: relative;
    background: var(--blush);
    overflow: hidden;
}

.hero-img-wrapper {
    position: absolute;
    inset: 0;
}

.hero-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-accent-box {
    position: absolute;
    bottom: 2.5rem;
    left: -2rem;
    background: var(--burgundy);
    color: var(--white);
    padding: 1.5rem 2rem;
    z-index: 2;
}

.accent-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 300;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.accent-label {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0.8;
}

.hero-line {
    height: 1px;
    background: var(--line);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* ── Services ── */
.services {
    padding: 7rem 0;
    background: var(--white);
}

.section-header {
    max-width: 640px;
    margin-bottom: 4rem;
}

.section-header .section-title {
    margin-bottom: 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}

.service-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    transition: var(--transition);
}

.service-card:hover {
    background: var(--blush);
}

.service-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--burgundy);
    margin-bottom: 1.5rem;
}

.service-title {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 400;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.service-desc {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-light);
}

/* ── About ── */
.about {
    padding: 7rem 0;
    background: var(--cream);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image-col {
    position: relative;
}

.about-img-main {
    overflow: hidden;
}

.about-img-main img {
    width: 100%;
    height: 620px;
    object-fit: cover;
}

.about-img-secondary {
    position: absolute;
    bottom: -2rem;
    right: -2rem;
    width: 55%;
    overflow: hidden;
    border: 6px solid var(--cream);
}

.about-img-secondary img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.about-content-col {
    padding: 2rem 0;
}

.about-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.about-body {
    font-size: 0.95rem;
    line-height: 1.85;
    color: var(--text-light);
    margin-bottom: 1.25rem;
}

.about-values {
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--line);
}

.value-item {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1rem;
}

.value-label {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 400;
    color: var(--burgundy);
    white-space: nowrap;
    flex-shrink: 0;
}

.value-line {
    flex: 1;
    height: 1px;
    background: var(--line-strong);
}

.value-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

/* ── Why Us ── */
.why-us {
    padding: 7rem 0;
    background: var(--white);
}

.why-us-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.why-us-content .section-title {
    margin-bottom: 3rem;
}

.why-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.why-item {
    display: grid;
    grid-template-columns: 3rem 1fr;
    gap: 1.5rem;
    padding: 2rem 0;
    border-top: 1px solid var(--line);
}

.why-item:first-child {
    padding-top: 0;
}

.why-number {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--blush-warm);
    padding-top: 0.15rem;
}

.why-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.why-desc {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-light);
}

.why-us-visual {
    overflow: hidden;
}

.visual-card {
    overflow: hidden;
}

.visual-card img {
    width: 100%;
    height: 560px;
    object-fit: cover;
}

/* ── Testimonial ── */
.testimonial-section {
    padding: 6rem 0;
    background: var(--burgundy);
    color: var(--white);
}

.testimonial-inner {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.quote-mark {
    color: var(--white);
    margin-bottom: 1.5rem;
    opacity: 0.4;
}

.testimonial-text {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 300;
    font-style: italic;
    line-height: 1.6;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.testimonial-location {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.6);
}

/* ── CTA ── */
.cta-section {
    padding: 7rem 0;
    background: var(--blush);
}

.cta-content {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-eyebrow {
    text-align: center;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    line-height: 1.15;
    margin-bottom: 1.25rem;
}

.cta-desc {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── Contact ── */
.contact {
    padding: 7rem 0;
    background: var(--cream);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info .section-title {
    margin-bottom: 1rem;
}

.contact-desc {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 2.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    color: var(--burgundy);
    flex-shrink: 0;
}

.contact-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.contact-value {
    font-size: 0.95rem;
    color: var(--text-dark);
    transition: var(--transition);
}

.contact-value:hover {
    color: var(--burgundy);
}

/* Form */
.contact-form-col {
    background: var(--white);
    padding: 2.5rem;
    border: 1px solid var(--line);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 300;
    padding: 0.75rem 0;
    border: none;
    border-bottom: 1px solid var(--line-strong);
    background: transparent;
    color: var(--text-dark);
    outline: none;
    transition: var(--transition);
    border-radius: 0;
    -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-bottom-color: var(--burgundy);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group select {
    cursor: pointer;
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem 1rem;
    gap: 1rem;
}

.form-success.show {
    display: flex;
}

.form-success svg {
    color: var(--burgundy);
}

.form-success h4 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-dark);
}

.form-success p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ── Footer ── */
.footer {
    background: var(--text-dark);
    color: rgba(255,255,255,0.7);
    padding: 4rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    padding-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo-mark {
    width: 24px;
    height: 24px;
    background: var(--burgundy-light);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.footer-logo span {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--white);
}

.footer-tagline {
    font-size: 0.85rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.5);
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    margin-bottom: 1.25rem;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer-links a {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}

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

.footer-contact p {
    font-size: 0.85rem;
    line-height: 1.8;
    margin-bottom: 0.25rem;
}

.footer-contact a {
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}

.footer-contact a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.35);
}

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-content {
        padding: 4rem 2.5rem;
        border-right: none;
        border-bottom: 1px solid var(--line);
    }
    
    .hero-image {
        min-height: 500px;
    }
    
    .hero-accent-box {
        left: 1.5rem;
        bottom: 1.5rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid,
    .why-us-layout,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-img-secondary {
        right: 0;
    }
    
    .why-us-visual {
        order: -1;
    }
    
    .visual-card img {
        height: 400px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-content {
        padding: 3rem 1.5rem;
    }
    
    .hero-headline {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .services {
        padding: 4rem 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-actions .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .container {
        padding: 0 1.25rem;
    }
    
    .about-img-main img {
        height: 400px;
    }
}

@media (max-width: 480px) {
    .hero-accent-box {
        left: 1rem;
        bottom: 1rem;
        padding: 1rem 1.25rem;
    }
    
    .accent-number {
        font-size: 1.75rem;
    }
    
    .contact-form-col {
        padding: 1.5rem;
    }
}