/* ============================================
   AC REPAIR ORLANDO FL - HOMEPAGE & SHARED STYLES
   Professional Air Conditioning Service Design
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Brand Colors — Cool Blue + Warm Orange */
    --color-primary: #0077B6;
    --color-primary-dark: #005F8A;
    --color-primary-light: #00A8E8;
    --color-primary-ultra-light: rgba(0, 119, 182, 0.07);
    --color-secondary: #1B2A4A;
    --color-accent: #FF6B35;
    --color-accent-dark: #E05A28;
    --color-accent-light: rgba(255, 107, 53, 0.10);
    --color-text: #2A2F3B;
    --color-text-light: #5A6477;
    --color-text-muted: #8C95A6;
    --color-white: #FFFFFF;
    --color-off-white: #F5F7FA;
    --color-light-gray: #EAF0F6;
    --color-border: #D8E0EA;
    --color-dark: #0E1525;
    --color-dark-card: #162033;
    --color-dark-card-hover: #1E2B45;
    --color-success: #22A45D;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --font-accent: 'Roboto Slab', serif;

    /* Spacing */
    --section-padding: 90px 0;
    --container-width: 1200px;
    --container-padding: 0 24px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 60px rgba(0, 0, 0, 0.16);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.06);
    --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.14);

    /* Borders */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--color-text);
    background: var(--color-white);
    line-height: 1.7;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-secondary);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ============================================
   TOP BAR
   ============================================ */
.top-bar {
    background: var(--color-secondary);
    padding: 0;
    font-size: 13px;
    color: rgba(255,255,255,0.75);
    position: relative;
    z-index: 1001;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.top-bar .container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    height: 38px;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.top-bar-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: rgba(255,255,255,0.8);
    font-weight: 500;
    letter-spacing: 0.2px;
    white-space: nowrap;
}

a.top-bar-item {
    display: inline-flex;
    text-decoration: none;
}

.top-bar-item svg {
    width: 13px;
    height: 13px;
    min-width: 13px;
    min-height: 13px;
    max-width: 13px;
    max-height: 13px;
    fill: var(--color-accent);
    flex-shrink: 0;
}

.top-bar a.top-bar-item:hover {
    color: #fff;
}

.top-bar-divider {
    width: 1px;
    height: 16px;
    background: rgba(255,255,255,0.15);
    flex-shrink: 0;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.top-bar-social {
    display: flex;
    gap: 6px;
}

.top-bar-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    transition: background var(--transition-fast);
}

.top-bar-social a:hover {
    background: var(--color-primary);
}

.top-bar-social svg {
    width: 12px;
    height: 12px;
    fill: rgba(255,255,255,0.7);
}

.top-bar-social a:hover svg {
    fill: #fff;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: linear-gradient(180deg, #182842 0%, #152236 100%);
    transition: box-shadow var(--transition-base);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.site-header.scrolled {
    box-shadow: 0 4px 30px rgba(0,0,0,0.25);
    background: #152236;
}

.header-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    gap: 20px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 20px;
    color: var(--color-white);
    flex-shrink: 0;
}

.logo-img {
    height: 44px;
    width: auto;
    display: block;
    object-fit: contain;
}

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

.logo-text .logo-main {
    font-size: 18px;
    font-weight: 800;
    color: var(--color-white);
}

.logo-text .logo-sub {
    font-size: 11px;
    font-weight: 500;
    color: rgba(255,255,255,0.6);
    letter-spacing: 0.5px;
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 2px;
}

.main-nav > a,
.main-nav .dropdown-trigger {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 14.5px;
    color: rgba(255,255,255,0.8);
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
    background: none;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.main-nav > a:hover,
.main-nav .dropdown-trigger:hover {
    color: #fff;
    background: rgba(255,255,255,0.08);
}

.main-nav > a.active {
    color: #fff;
    background: var(--color-accent);
    border-radius: var(--radius-sm);
    font-weight: 700;
}

.nav-dropdown {
    position: relative;
}

.dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 4px;
}

.dropdown-icon {
    width: 18px;
    height: 18px;
    fill: currentColor;
    transition: transform var(--transition-fast);
}

.nav-dropdown.active .dropdown-icon {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
    min-width: 250px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
    transform: translateX(-50%) translateY(8px);
    border: 1px solid var(--color-border);
    z-index: 100;
}

.nav-dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.dropdown-menu a:hover {
    background: var(--color-primary-ultra-light);
    color: var(--color-primary);
}

/* Header CTA */
.header-cta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 15px;
    color: rgba(255,255,255,0.9);
    font-family: var(--font-heading);
    white-space: nowrap;
    transition: color var(--transition-fast);
}

.header-phone svg {
    width: 16px;
    height: 16px;
    fill: var(--color-accent);
}

.header-phone:hover {
    color: #fff;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 15px;
    padding: 13px 28px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
    flex-shrink: 0;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 119, 182, 0.3);
}

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

.btn-accent:hover {
    background: var(--color-accent-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.3);
}

.btn-outline-light {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255,255,255,0.4);
}

.btn-outline-light:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.8);
}

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

.btn-secondary:hover {
    background: #243556;
}

.btn-sm {
    padding: 9px 18px;
    font-size: 13.5px;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    z-index: 1002;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: rgba(255,255,255,0.9);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* Mobile Nav Header */
.mobile-nav-header {
    display: none;
}

.mobile-nav-footer {
    display: none;
}

/* ============================================
   HERO (Homepage Flagship)
   ============================================ */
.hero {
    background: linear-gradient(145deg, #1B2A4A 0%, #0E1D38 50%, #091428 100%);
    position: relative;
    padding: 110px 0 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(ellipse 600px 400px at 80% 30%, rgba(0,119,182,0.15), transparent),
        radial-gradient(ellipse 400px 300px at 15% 70%, rgba(255,107,53,0.08), transparent);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0; right: 0;
    height: 80px;
    background: linear-gradient(to bottom, transparent, var(--color-white));
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 750px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0,119,182,0.15);
    border: 1px solid rgba(0,168,232,0.25);
    color: var(--color-primary-light);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 13px;
    padding: 7px 16px;
    border-radius: 50px;
    margin-bottom: 24px;
    letter-spacing: 0.3px;
}

.hero-badge svg {
    width: 16px;
    height: 16px;
    fill: var(--color-primary-light);
}

.hero h1 {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero h1 span {
    color: var(--color-primary-light);
}

.hero-desc {
    font-size: 17px;
    color: rgba(255,255,255,0.72);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 620px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: left;
}

.hero-stat-number {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 22px;
    color: var(--color-white);
}

.hero-stat-label {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    font-weight: 500;
    margin-top: 2px;
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section {
    padding: var(--section-padding);
}

.section-alt {
    background: var(--color-off-white);
}

.section-dark {
    background: var(--color-dark);
    color: rgba(255,255,255,0.82);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
    color: var(--color-white);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 13px;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 12px;
}

.section-label svg {
    width: 16px;
    height: 16px;
    fill: var(--color-primary);
}

.section-title {
    font-size: clamp(26px, 3.5vw, 38px);
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--color-secondary);
    line-height: 1.2;
}

.section-dark .section-title {
    color: var(--color-white);
}

.section-desc {
    font-size: 16.5px;
    color: var(--color-text-light);
    max-width: 640px;
    line-height: 1.7;
}

.section-dark .section-desc {
    color: rgba(255,255,255,0.65);
}

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

.text-center .section-desc {
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   SERVICE CARDS (Homepage)
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
    border-color: transparent;
}

.service-card-img {
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 20px;
}

.service-card-img img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
    border-radius: var(--radius-md);
    transition: transform var(--transition-base);
}

.service-card:hover .service-card-img img {
    transform: scale(1.05);
}

.service-card h3 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--color-secondary);
}

.service-card p {
    font-size: 14.5px;
    color: var(--color-text-light);
    line-height: 1.65;
    margin-bottom: 18px;
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 14px;
    color: var(--color-primary);
    transition: gap var(--transition-fast);
}

.service-card-link:hover {
    gap: 10px;
}

.service-card-link svg {
    width: 16px;
    height: 16px;
    fill: var(--color-primary);
}

/* ============================================
   WHY CHOOSE / APPROACH SECTION
   ============================================ */
.approach-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.approach-card {
    padding: 28px 24px;
    border-radius: var(--radius-lg);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.approach-card:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(0,119,182,0.2);
}

.approach-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--color-accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.approach-card-icon svg {
    width: 22px;
    height: 22px;
    fill: var(--color-accent);
}

.approach-card h3 {
    font-size: 17px;
    margin-bottom: 8px;
}

.approach-card p {
    font-size: 14.5px;
    color: var(--color-text-light);
    line-height: 1.65;
}

/* ============================================
   COST FACTORS
   ============================================ */
.cost-items {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 36px;
}

.cost-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    border-radius: var(--radius-md);
    background: var(--color-off-white);
    border: 1px solid var(--color-border);
}

.cost-item-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--color-primary-ultra-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cost-item-icon svg {
    width: 18px;
    height: 18px;
    fill: var(--color-primary);
}

.cost-item h4 {
    font-size: 15px;
    margin-bottom: 3px;
}

.cost-item p {
    font-size: 13.5px;
    color: var(--color-text-light);
    line-height: 1.55;
}

/* ============================================
   SYSTEMS / COMPONENTS
   ============================================ */
.systems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.system-card {
    padding: 24px;
    border-radius: var(--radius-lg);
    background: var(--color-dark-card);
    border: 1px solid rgba(255,255,255,0.06);
    transition: all var(--transition-base);
}

.system-card:hover {
    background: var(--color-dark-card-hover);
    transform: translateY(-2px);
}

.system-card h3 {
    font-size: 16px;
    color: var(--color-white);
    margin-bottom: 8px;
}

.system-card p {
    font-size: 13.5px;
    color: rgba(255,255,255,0.6);
    line-height: 1.6;
}

/* ============================================
   PROCESS STEPS
   ============================================ */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 24px;
    margin-top: 48px;
    counter-reset: step;
}

.process-step {
    position: relative;
    padding: 28px 24px;
    border-radius: var(--radius-lg);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    counter-increment: step;
}

.process-step::before {
    content: counter(step, decimal-leading-zero);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 36px;
    color: var(--color-primary-ultra-light);
    line-height: 1;
    margin-bottom: 12px;
    display: block;
    color: rgba(0,119,182,0.12);
}

.process-step h3 {
    font-size: 17px;
    margin-bottom: 8px;
}

.process-step p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.65;
}

/* ============================================
   SIGNS / SYMPTOMS LIST
   ============================================ */
.signs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.sign-item {
    display: flex;
    gap: 14px;
    padding: 20px;
    border-radius: var(--radius-md);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-fast);
}

.sign-item:hover {
    border-color: rgba(0,119,182,0.25);
}

.sign-item-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,107,53,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sign-item-icon svg {
    width: 18px;
    height: 18px;
    fill: var(--color-accent);
}

.sign-item h3 {
    font-size: 15.5px;
    margin-bottom: 4px;
}

.sign-item p {
    font-size: 13.5px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ============================================
   CLIMATE / CONTEXT SECTION
   ============================================ */
.climate-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
    margin-top: 40px;
}

.climate-text p {
    font-size: 15.5px;
    color: var(--color-text-light);
    line-height: 1.75;
    margin-bottom: 16px;
}

.climate-factors {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.climate-factor {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    background: var(--color-off-white);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-primary);
}

.climate-factor svg {
    width: 18px;
    height: 18px;
    fill: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.climate-factor p {
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.55;
}

/* ============================================
   IMAGE PLACEHOLDERS
   ============================================ */
.img-placeholder {
    background: linear-gradient(135deg, #E8EDF3 0%, #D4DCE8 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 10px;
    color: var(--color-text-muted);
    font-size: 13px;
    font-weight: 500;
    text-align: center;
    padding: 24px;
    position: relative;
    overflow: hidden;
    min-height: 200px;
}

.img-placeholder svg {
    width: 40px;
    height: 40px;
    fill: var(--color-text-muted);
    opacity: 0.5;
}

.img-placeholder::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 10px,
        rgba(0,0,0,0.015) 10px,
        rgba(0,0,0,0.015) 20px
    );
    pointer-events: none;
}

/* ============================================
   RESIDENTIAL / COMMERCIAL CONTEXT
   ============================================ */
.context-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.context-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    background: var(--color-white);
}

.context-card .img-placeholder {
    border-radius: 0;
    min-height: 180px;
}

.context-card-body {
    padding: 24px;
}

.context-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.context-card p {
    font-size: 14.5px;
    color: var(--color-text-light);
    line-height: 1.65;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-list {
    max-width: 800px;
    margin: 40px auto 0;
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.faq-item.active {
    border-color: var(--color-primary);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 15.5px;
    color: var(--color-secondary);
    text-align: left;
    gap: 16px;
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: var(--color-off-white);
}

.faq-question:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}

.faq-question svg {
    width: 20px;
    height: 20px;
    fill: var(--color-primary);
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-answer-inner {
    padding: 0 22px 20px;
    font-size: 14.5px;
    color: var(--color-text-light);
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

/* ============================================
   SERVICE AREAS
   ============================================ */
.area-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.area-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50px;
    font-size: 13.5px;
    color: rgba(255,255,255,0.75);
    font-weight: 500;
}

.area-badge svg {
    width: 14px;
    height: 14px;
    fill: var(--color-primary-light);
}

/* ============================================
   COMPONENTS SECTION
   ============================================ */
.components-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
    margin-top: 32px;
}

.component-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--color-dark-card);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    font-weight: 500;
    border: 1px solid rgba(255,255,255,0.05);
}

.component-tag svg {
    width: 14px;
    height: 14px;
    fill: var(--color-primary-light);
    flex-shrink: 0;
}

/* ============================================
   FINAL CTA
   ============================================ */
.section-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

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

.cta-inner h2 {
    font-size: clamp(24px, 3.5vw, 34px);
    color: var(--color-white);
    margin-bottom: 16px;
}

.cta-inner p {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    margin-bottom: 28px;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

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

.cta-actions .btn-primary:hover {
    background: var(--color-off-white);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--color-dark);
    color: rgba(255,255,255,0.7);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    margin-top: 16px;
    color: rgba(255,255,255,0.55);
}

.footer-logo-img {
    height: 38px;
    width: auto;
    display: block;
    object-fit: contain;
    margin-bottom: 4px;
}

.footer-heading {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 15px;
    color: var(--color-white);
    margin-bottom: 16px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: color var(--transition-fast);
}

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

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    margin-bottom: 12px;
    color: rgba(255,255,255,0.6);
}

.footer-contact-item svg {
    width: 14px;
    height: 14px;
    fill: var(--color-primary-light);
    flex-shrink: 0;
}

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

.footer-contact-item a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}

.footer-bottom-links {
    display: flex;
    gap: 18px;
}

.footer-bottom-links a {
    color: rgba(255,255,255,0.4);
    font-size: 13px;
}

.footer-bottom-links a:hover {
    color: rgba(255,255,255,0.7);
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: 900;
    box-shadow: 0 4px 16px rgba(0,119,182,0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

.back-to-top:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

.back-to-top svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* ============================================
   MOBILE STICKY CTA
   ============================================ */
.mobile-sticky-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
    padding: 10px 16px;
}

.mobile-sticky-cta {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.mobile-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 14px;
}

.mobile-cta-btn svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
    flex-shrink: 0;
}

.mobile-cta-call {
    background: var(--color-primary);
    color: var(--color-white);
}

.mobile-cta-estimate {
    background: var(--color-off-white);
    color: var(--color-secondary);
    border: 1px solid var(--color-border);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    .climate-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .top-bar-right { display: none; }

    .mobile-toggle { display: flex; }

    .main-nav {
        position: fixed;
        top: 0; right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        align-items: stretch;
        padding: 0;
        box-shadow: -8px 0 30px rgba(0,0,0,0.1);
        transition: right var(--transition-base);
        z-index: 1001;
        overflow-y: auto;
        gap: 0;
    }

    .main-nav.open { right: 0; }

    .mobile-nav-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px 20px;
        border-bottom: 1px solid var(--color-border);
    }

    .mobile-nav-logo { height: 36px; }

    .mobile-nav-close {
        background: none;
        border: none;
        font-size: 28px;
        color: var(--color-text);
        cursor: pointer;
        padding: 4px;
    }

    .main-nav > a,
    .main-nav .dropdown-trigger {
        padding: 14px 20px;
        font-size: 15px;
        border-radius: 0;
        border-bottom: 1px solid var(--color-border);
        width: 100%;
    }

    .nav-dropdown { width: 100%; }

    .dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0;
        background: var(--color-off-white);
    }

    .nav-dropdown.active .dropdown-menu {
        transform: none;
    }

    .dropdown-menu a {
        padding: 12px 20px 12px 36px;
        border-radius: 0;
    }

    .mobile-nav-footer {
        display: flex;
        flex-direction: column;
        gap: 10px;
        padding: 20px;
        margin-top: auto;
    }

    .header-cta { display: none; }

    .hero { padding: 80px 0 60px; }
    .hero h1 { font-size: 28px; }

    .services-grid { grid-template-columns: 1fr; }
    .approach-grid { grid-template-columns: 1fr; }
    .context-cards { grid-template-columns: 1fr; }
    .signs-grid { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

    .mobile-sticky-cta {
        display: grid;
    }

    .back-to-top {
        bottom: 80px;
    }

    .section { padding: 60px 0; }

    .logo-img {
        height: 36px;
    }

    .footer-logo-img {
        height: 32px;
    }
}

@media (max-width: 480px) {
    .hero-stats { flex-direction: column; gap: 16px; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
    .area-badges { gap: 8px; }
    .hero h1 { font-size: 24px; }
}

/* ============================================
   ABOUT PAGE STYLES
   ============================================ */
.about-hero {
    background: linear-gradient(145deg, #1B2A4A 0%, #0E1D38 100%);
    padding: 130px 0 60px;
    position: relative;
}

.about-hero::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0; right: 0;
    height: 60px;
    background: linear-gradient(to bottom, transparent, var(--color-white));
}

.about-hero .container {
    position: relative;
    z-index: 2;
}

.about-hero h1 {
    font-size: clamp(28px, 4vw, 42px);
    color: var(--color-white);
    margin-bottom: 16px;
}

.about-hero p {
    font-size: 17px;
    color: rgba(255,255,255,0.7);
    max-width: 600px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.value-card {
    padding: 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-white);
}

.value-card h3 {
    font-size: 17px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.value-card h3 svg {
    width: 20px;
    height: 20px;
    fill: var(--color-primary);
}

.value-card p {
    font-size: 14.5px;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ============================================
   CONTACT PAGE STYLES
   ============================================ */
.contact-hero {
    background: linear-gradient(145deg, #1B2A4A 0%, #0E1D38 100%);
    padding: 130px 0 60px;
    position: relative;
}

.contact-hero::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0; right: 0;
    height: 60px;
    background: linear-gradient(to bottom, transparent, var(--color-white));
}

.contact-hero .container { position: relative; z-index: 2; }

.contact-hero h1 {
    font-size: clamp(28px, 4vw, 42px);
    color: var(--color-white);
    margin-bottom: 16px;
}

.contact-hero p {
    font-size: 17px;
    color: rgba(255,255,255,0.7);
    max-width: 600px;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 48px;
}

.contact-form label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    color: var(--color-secondary);
    margin-bottom: 6px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 14.5px;
    color: var(--color-text);
    transition: border-color var(--transition-fast);
    background: var(--color-white);
    margin-bottom: 16px;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0,119,182,0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-info-card {
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.contact-info-card svg {
    width: 22px;
    height: 22px;
    fill: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-info-card h3 {
    font-size: 16px;
    margin-bottom: 4px;
}

.contact-info-card p {
    font-size: 14px;
    color: var(--color-text-light);
}

@media (max-width: 768px) {
    .contact-layout { grid-template-columns: 1fr; }
}

/* ============================================
   LEGAL PAGE STYLES
   ============================================ */
.legal-hero {
    background: var(--color-secondary);
    padding: 130px 0 50px;
    position: relative;
}

.legal-hero::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0; right: 0;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--color-white));
}

.legal-hero .container { position: relative; z-index: 2; }

.legal-hero h1 {
    font-size: clamp(26px, 3.5vw, 36px);
    color: var(--color-white);
    margin-bottom: 10px;
}

.legal-hero p {
    font-size: 15px;
    color: rgba(255,255,255,0.6);
}

.legal-content {
    max-width: 780px;
    margin: 0 auto;
    padding: 60px 24px;
}

.legal-content h2 {
    font-size: 22px;
    margin-top: 40px;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border);
}

.legal-content h3 {
    font-size: 18px;
    margin-top: 28px;
    margin-bottom: 10px;
}

.legal-content p {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.75;
    margin-bottom: 14px;
}

.legal-content ul {
    margin-bottom: 16px;
    padding-left: 0;
}

.legal-content ul li {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.7;
    padding-left: 20px;
    position: relative;
    margin-bottom: 6px;
}

.legal-content ul li::before {
    content: '•';
    position: absolute;
    left: 4px;
    color: var(--color-primary);
    font-weight: 700;
}

.legal-toc {
    background: var(--color-off-white);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 32px;
}

.legal-toc h3 {
    font-size: 15px;
    margin-bottom: 12px;
    margin-top: 0;
}

.legal-toc ol {
    padding-left: 20px;
    counter-reset: toc;
}

.legal-toc ol li {
    counter-increment: toc;
    margin-bottom: 6px;
}

.legal-toc ol li::marker {
    color: var(--color-primary);
    font-weight: 600;
}

.legal-toc a {
    font-size: 14.5px;
    color: var(--color-primary);
}

.legal-toc a:hover {
    text-decoration: underline;
}

/* ============================================
   SITEMAP PAGE
   ============================================ */
.sitemap-content {
    max-width: 780px;
    margin: 0 auto;
    padding: 60px 24px;
}

.sitemap-group {
    margin-bottom: 32px;
}

.sitemap-group h2 {
    font-size: 18px;
    color: var(--color-secondary);
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-primary);
    display: inline-block;
}

.sitemap-group ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sitemap-group a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    color: var(--color-text);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.sitemap-group a:hover {
    background: var(--color-primary-ultra-light);
    color: var(--color-primary);
}

.sitemap-group a svg {
    width: 14px;
    height: 14px;
    fill: var(--color-primary);
    flex-shrink: 0;
}

/* ============================================
   404 PAGE
   ============================================ */
.error-page {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
}

.error-content {
    max-width: 500px;
}

.error-code {
    font-family: var(--font-heading);
    font-size: clamp(80px, 15vw, 140px);
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 16px;
    opacity: 0.15;
}

.error-content h1 {
    font-size: clamp(24px, 3.5vw, 32px);
    margin-bottom: 12px;
}

.error-content p {
    font-size: 16px;
    color: var(--color-text-light);
    margin-bottom: 28px;
    line-height: 1.7;
}

.error-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 24px;
}

.error-links a {
    font-size: 14px;
    color: var(--color-primary);
    font-weight: 500;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    background: var(--color-primary-ultra-light);
    transition: background var(--transition-fast);
}

.error-links a:hover {
    background: rgba(0,119,182,0.12);
}