/* Modern HVAC Site - Professional but not templated */

:root {
    --navy: #0f1c2e;
    --navy-light: #1a2d42;
    --blue: #2563eb;
    --blue-dark: #1d4ed8;
    --orange: #ea580c;
    --orange-light: #fff7ed;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-800: #1f2937;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

html::-webkit-scrollbar {
    display: none;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-600);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
    color: var(--navy);
    line-height: 1.25;
    font-weight: 700;
}

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--orange);
    color: var(--white);
}

.btn-primary:hover {
    background: #c2410c;
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--white);
    color: var(--navy);
    border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
    border-color: var(--navy);
}

.btn-white {
    background: var(--white);
    color: var(--navy);
}

.btn-white:hover {
    background: var(--gray-100);
}

.btn-full {
    width: 100%;
}

/* ===== Header ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    color: var(--navy);
}

.logo-icon {
    font-size: 28px;
}

.nav {
    display: flex;
    gap: 40px;
}

.nav a {
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-600);
    transition: color 0.2s;
}

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

.header-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.header-phone {
    text-align: right;
}

.phone-label {
    display: block;
    font-size: 12px;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.header-phone a {
    font-size: 18px;
    font-weight: 700;
    color: var(--navy);
}

.header-phone a:hover {
    color: var(--orange);
}

.menu-toggle {
    display: none;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
    position: absolute;
    left: 4px;
    right: 4px;
    height: 2px;
    background: var(--navy);
    border-radius: 2px;
    transition: 0.2s;
}

.menu-toggle::before { content: ''; top: 8px; }
.menu-toggle span { top: 15px; }
.menu-toggle::after { content: ''; top: 22px; }

/* ===== Hero ===== */
.hero {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    padding: 80px 24px;
}

.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-tag {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255,255,255,0.1);
    color: var(--orange);
    font-size: 14px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 52px;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.hero-desc {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 36px;
    max-width: 480px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-trust {
    display: flex;
    gap: 32px;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 12px;
}

.trust-icon {
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.trust-badge span {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    line-height: 1.3;
}

.trust-badge small {
    font-weight: 400;
    opacity: 0.7;
}

.hero-image {
    position: relative;
}

.hero-image > img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    border-radius: 16px;
}

.hero-float {
    position: absolute;
    bottom: 24px;
    left: -32px;
    background: var(--orange);
    color: var(--white);
    padding: 20px 28px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.hero-float strong {
    display: block;
    font-size: 32px;
    font-weight: 800;
    line-height: 1;
}

.hero-float span {
    font-size: 13px;
    opacity: 0.9;
}

/* ===== Section Label ===== */
.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: var(--orange);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

/* ===== Services ===== */
.services {
    padding: 100px 24px;
    background: var(--gray-50);
}

.services-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.services h2 {
    font-size: 40px;
    margin-bottom: 48px;
    max-width: 500px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: box-shadow 0.3s, transform 0.3s;
}

.service-card:hover {
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    transform: translateY(-4px);
}

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

.service-body {
    padding: 28px;
}

.service-body h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.service-body > p {
    color: var(--gray-500);
    margin-bottom: 20px;
    font-size: 15px;
}

.service-body ul {
    list-style: none;
}

.service-body li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    font-size: 14px;
    color: var(--gray-600);
    border-bottom: 1px solid var(--gray-100);
}

.service-body li:last-child {
    border-bottom: none;
}

.service-body li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--blue);
    font-weight: 700;
}

/* ===== Why Section ===== */
.why {
    padding: 100px 24px;
}

.why-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.why-content h2 {
    font-size: 40px;
    margin-bottom: 20px;
}

.why-intro {
    font-size: 17px;
    color: var(--gray-500);
    margin-bottom: 40px;
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.why-item {
    display: flex;
    gap: 16px;
}

.why-icon {
    width: 48px;
    height: 48px;
    background: var(--orange-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--orange);
}

.why-item h4 {
    font-size: 16px;
    margin-bottom: 6px;
}

.why-item p {
    font-size: 14px;
    color: var(--gray-500);
}

.why-image {
    position: relative;
}

.why-image > img {
    width: 100%;
    height: 520px;
    object-fit: cover;
    border-radius: 16px;
}

.why-stat {
    position: absolute;
    bottom: 24px;
    right: 24px;
    background: var(--white);
    padding: 24px 32px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}

.stat-number {
    display: block;
    font-size: 40px;
    font-weight: 800;
    color: var(--navy);
    line-height: 1;
}

.stat-text {
    font-size: 13px;
    color: var(--gray-500);
}

/* ===== Reviews ===== */
.reviews {
    padding: 100px 24px;
    background: var(--navy);
}

.reviews-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.reviews-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 48px;
}

.reviews .section-label {
    color: rgba(255,255,255,0.6);
}

.reviews h2 {
    font-size: 40px;
    color: var(--white);
}

.reviews-link {
    color: var(--orange);
    font-weight: 600;
    font-size: 15px;
}

.reviews-link:hover {
    text-decoration: underline;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.review-card {
    background: var(--navy-light);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.1);
}

.review-rating {
    color: #fbbf24;
    font-size: 18px;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.review-card > p {
    font-size: 16px;
    color: rgba(255,255,255,0.85);
    line-height: 1.7;
    margin-bottom: 24px;
}

.review-author strong {
    display: block;
    color: var(--white);
    font-size: 15px;
}

.review-author span {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
}

/* ===== CTA ===== */
.cta {
    padding: 80px 24px;
    background: var(--orange);
}

.cta-inner {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta h2 {
    font-size: 40px;
    color: var(--white);
    margin-bottom: 16px;
}

.cta p {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 32px;
}

/* ===== Contact ===== */
.contact {
    padding: 100px 24px;
}

.contact-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-left h2 {
    font-size: 40px;
    margin-bottom: 16px;
}

.contact-left > p {
    font-size: 17px;
    color: var(--gray-500);
    margin-bottom: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.info-item strong {
    display: block;
    font-size: 13px;
    color: var(--orange);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.info-item a,
.info-item span {
    font-size: 16px;
    color: var(--gray-800);
}

.contact-form {
    background: var(--gray-50);
    padding: 40px;
    border-radius: 16px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-field {
    margin-bottom: 20px;
}

.form-field label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    font-family: inherit;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    background: var(--white);
    transition: border-color 0.2s;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--blue);
}

.form-field textarea {
    resize: vertical;
}

.form-note {
    text-align: center;
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 16px;
}

/* ===== Footer ===== */
.footer {
    background: var(--navy);
    color: rgba(255,255,255,0.7);
    padding-top: 64px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 80px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 15px;
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col strong {
    display: block;
    color: var(--white);
    font-size: 14px;
    margin-bottom: 20px;
}

.footer-col a,
.footer-col span {
    display: block;
    font-size: 14px;
    margin-bottom: 12px;
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

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

/* ===== Sticky CTA ===== */
.sticky-cta {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 16px 24px;
    background: var(--orange);
    color: var(--white);
    font-weight: 600;
    font-size: 15px;
    border-radius: 50px;
    box-shadow: 0 8px 24px rgba(234, 88, 12, 0.4);
    z-index: 90;
    align-items: center;
    gap: 10px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-image {
        order: -1;
    }

    .hero-image > img {
        height: 360px;
    }

    .hero-float {
        left: auto;
        right: 24px;
    }

    .hero h1 {
        font-size: 40px;
    }

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

    .why-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .why-image {
        order: -1;
    }

    .why-image > img {
        height: 360px;
    }

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

    .contact-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        gap: 0;
        border-bottom: 1px solid var(--gray-200);
        box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    }

    .nav.active {
        display: flex;
    }

    .nav a {
        padding: 16px 0;
        border-bottom: 1px solid var(--gray-100);
    }

    .header-phone {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .hero {
        padding: 48px 24px;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero-desc {
        font-size: 16px;
    }

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

    .hero-trust {
        flex-direction: column;
        gap: 20px;
    }

    .hero-float {
        display: none;
    }

    .services,
    .why,
    .reviews,
    .contact {
        padding: 64px 24px;
    }

    .services h2,
    .why-content h2,
    .reviews h2,
    .cta h2,
    .contact-left h2 {
        font-size: 32px;
    }

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

    .reviews-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

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

    .contact-form {
        padding: 28px;
    }

    .footer-links {
        grid-template-columns: 1fr 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }

    .sticky-cta {
        display: flex;
    }

    body {
        padding-bottom: 80px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}