/* ============================================
   BIOHAZARD CLEANUP LOS ANGELES — SHARED STYLES
   Professional Biohazard Cleanup Design System
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Brand Colors */
    --color-primary: #0A7E5C;
    --color-primary-dark: #065E44;
    --color-primary-light: #0C9A70;
    --color-primary-bg: rgba(10, 126, 92, 0.07);
    --color-secondary: #1B2A4A;
    --color-secondary-dark: #111D36;
    --color-accent: #E8A838;
    --color-accent-dark: #CC8F20;
    --color-warning: #D14545;
    --color-warning-light: rgba(209, 69, 69, 0.08);

    /* Text */
    --color-text: #2D3436;
    --color-text-light: #636E72;
    --color-text-muted: #8B9DAF;
    --color-white: #FFFFFF;
    --color-off-white: #F8F9FC;
    --color-light-gray: #EDF0F5;
    --color-border: #DFE6ED;

    /* Dark */
    --color-dark: #0D1321;
    --color-dark-card: #161D2F;
    --color-dark-card-hover: #1E2740;
    --color-success: #27AE60;

    /* 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 {
        animation-duration: 0.01ms !important;
        transition-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: 1.2;
    color: var(--color-secondary);
}

p {
    margin-bottom: 1rem;
    line-height: 1.75;
}

p:last-child {
    margin-bottom: 0;
}

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

/* --- Utility Classes --- */
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--color-primary);
    margin-bottom: 14px;
}

.section-label::before {
    content: '';
    display: inline-block;
    width: 32px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
}

.section-title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--color-secondary);
    margin-bottom: 16px;
    line-height: 1.15;
}

.section-title span {
    color: var(--color-primary);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-light);
    max-width: 680px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

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

/* --- Image Placeholder System --- */
.section-image {
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.section-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: var(--radius-md);
    transition: transform 0.5s ease;
}

.section-image:hover img {
    transform: scale(1.03);
}

/* --- Top Bar --- */
.top-bar {
    background: var(--color-secondary);
    padding: 8px 0;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.7);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.top-bar-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-weight: 500;
    white-space: nowrap;
}

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

a.top-bar-item:hover {
    color: var(--color-white);
}

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

.top-bar-social {
    display: flex;
    gap: 10px;
}

.top-bar-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    transition: background var(--transition-fast);
}

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

.top-bar-social svg {
    width: 13px;
    height: 13px;
    fill: rgba(255, 255, 255, 0.7);
}

.top-bar-social a:hover svg {
    fill: var(--color-white);
}

/* --- Header --- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--color-secondary);
}

.logo-img {
    width: 52px;
    height: 52px;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--color-white);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-text .logo-name {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--color-secondary);
}

.logo-text .logo-tagline {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.main-nav > a,
.main-nav .dropdown-trigger {
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-text);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    background: none;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.main-nav > a:hover,
.main-nav .dropdown-trigger:hover,
.main-nav > a.active {
    color: var(--color-primary);
    background: var(--color-primary-bg);
}

.nav-dropdown {
    position: relative;
}

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

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

.nav-dropdown:hover .dropdown-icon,
.nav-dropdown.is-open .dropdown-icon {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 260px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 100;
}

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

.dropdown-menu a {
    display: block;
    padding: 10px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.dropdown-menu a:hover,
.dropdown-menu a.active {
    color: var(--color-primary);
    background: var(--color-primary-bg);
}

/* Header CTA */
.header-cta {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header-phone {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color-secondary);
}

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

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

/* Mobile Navigation */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    z-index: 1001;
}

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

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

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

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 14px 30px;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    white-space: nowrap;
    line-height: 1.2;
}

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

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    box-shadow: 0 6px 20px rgba(10, 126, 92, 0.3);
    transform: translateY(-1px);
}

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

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

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

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

.btn-outline-light {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.35);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
}

.btn-accent {
    background: var(--color-accent);
    color: var(--color-secondary);
    border-color: var(--color-accent);
    font-weight: 700;
}

.btn-accent:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.85rem;
}

/* Focus styles */
.btn:focus-visible,
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================
   HOMEPAGE HERO
   ============================================ */
.hero {
    background: linear-gradient(160deg, rgba(27,42,74,0.82) 0%, rgba(13,19,33,0.85) 50%, rgba(10,22,40,0.88) 100%),
        url('/images/biohazard-cleanup-los-angeles-ca-hero.webp') center/cover no-repeat;
    position: relative;
    padding: 100px 0 80px;
    overflow: hidden;
    min-height: 560px;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(10, 126, 92, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(232, 168, 56, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0L60 30L30 60L0 30Z' fill='none' stroke='rgba(255,255,255,0.015)' stroke-width='1'/%3E%3C/svg%3E");
    pointer-events: none;
}

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

.hero-content {
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(10, 126, 92, 0.15);
    border: 1px solid rgba(10, 126, 92, 0.25);
    padding: 8px 18px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 24px;
}

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

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 900;
    color: var(--color-white);
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
    text-align: center;
}

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

.hero-desc {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.75);
    max-width: 680px;
    margin: 0 auto 32px;
    line-height: 1.75;
    text-align: center;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    justify-content: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    width: 100%;
}

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

.hero-stat-number {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--color-accent);
}

.hero-stat-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.45);
    font-weight: 500;
    margin-top: 2px;
}

/* ============================================
   SERVICES OVERVIEW SECTION
   ============================================ */
.services-section {
    padding: var(--section-padding);
    background: var(--color-white);
}

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

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

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

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

.service-card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--color-primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-card-icon svg {
    width: 26px;
    height: 26px;
    fill: var(--color-primary);
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--color-secondary);
}

.service-card p {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.65;
    margin-bottom: 16px;
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: gap var(--transition-fast);
}

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

.service-card:hover .service-card-link svg {
    transform: translateX(3px);
}

/* ============================================
   WHY CHOOSE / APPROACH SECTION
   ============================================ */
.approach-section {
    padding: var(--section-padding);
    background: var(--color-off-white);
}

.approach-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 48px;
}

.approach-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.approach-image img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
    border-radius: var(--radius-lg);
    transition: transform 0.5s ease;
}

.approach-image:hover img {
    transform: scale(1.03);
}

.approach-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.approach-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.approach-item-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: var(--radius-sm);
    background: var(--color-primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

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

.approach-item h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.approach-item p {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.65;
}

/* ============================================
   PROCESS SECTION
   ============================================ */
.process-section {
    padding: var(--section-padding);
    background: var(--color-secondary);
    color: var(--color-white);
}

.process-section .section-label {
    color: var(--color-accent);
}

.process-section .section-label::before {
    background: var(--color-accent);
}

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

.process-section .section-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.process-card {
    background: var(--color-dark-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    position: relative;
    transition: all var(--transition-base);
}

.process-card:hover {
    background: var(--color-dark-card-hover);
    border-color: rgba(10, 126, 92, 0.3);
    transform: translateY(-4px);
}

.process-card-num {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 900;
    color: rgba(10, 126, 92, 0.2);
    line-height: 1;
    margin-bottom: 16px;
}

.process-card h3 {
    color: var(--color-white);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.process-card p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.65;
}

/* ============================================
   BIOHAZARD CONDITIONS SECTION
   ============================================ */
.conditions-section {
    padding: var(--section-padding);
    background: var(--color-white);
}

.conditions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.condition-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 28px;
    background: var(--color-off-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.condition-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.condition-card-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: var(--radius-sm);
    background: var(--color-primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.condition-card-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--color-primary);
}

.condition-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
}

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

/* ============================================
   RESIDENTIAL / COMMERCIAL SECTION
   ============================================ */
.context-section {
    padding: var(--section-padding);
    background: var(--color-off-white);
}

.context-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 48px;
}

.context-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.context-card:hover {
    box-shadow: var(--shadow-md);
}

.context-card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--color-primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.context-card-icon svg {
    width: 28px;
    height: 28px;
    fill: var(--color-primary);
}

.context-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.context-card p {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.context-card ul {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.context-card li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--color-text);
    font-weight: 500;
}

.context-card li svg {
    width: 16px;
    height: 16px;
    fill: var(--color-primary);
    flex-shrink: 0;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section {
    padding: var(--section-padding);
    background: var(--color-white);
}

.faq-list {
    max-width: 820px;
    margin: 48px auto 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

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

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 20px 24px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-secondary);
    text-align: left;
    gap: 16px;
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-primary);
}

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

.faq-item.is-open .faq-question svg {
    transform: rotate(180deg);
    fill: var(--color-primary);
}

.faq-answer {
    padding: 0 24px 20px;
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.75;
    display: none;
}

.faq-item.is-open .faq-answer {
    display: block;
}

/* ============================================
   SERVICE AREAS SECTION
   ============================================ */
.areas-section {
    padding: var(--section-padding);
    background: var(--color-off-white);
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-top: 48px;
}

.area-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px 16px;
    text-align: center;
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-secondary);
    transition: all var(--transition-fast);
}

.area-card:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

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

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='20' cy='20' r='1.5' fill='rgba(255,255,255,0.06)'/%3E%3C/svg%3E");
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    color: var(--color-white);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 16px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.05rem;
    margin-bottom: 32px;
}

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

.btn-cta-light {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
    font-weight: 700;
}

.btn-cta-light:hover {
    background: var(--color-off-white);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.65);
    padding: 70px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-emblem-img {
    width: 44px;
    height: 44px;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
}

.footer-logo-icon {
    width: 36px;
    height: 36px;
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-logo-icon svg {
    width: 20px;
    height: 20px;
    fill: var(--color-white);
}

.footer-logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--color-white);
}

.footer-brand p {
    font-size: 0.88rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.5);
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.55);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-links a:hover {
    color: var(--color-primary-light);
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 0.88rem;
}

.footer-contact-item svg {
    width: 16px;
    height: 16px;
    fill: var(--color-primary);
    flex-shrink: 0;
    margin-top: 3px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 24px 0;
    margin-top: 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-copyright {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.35);
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.35);
    transition: color var(--transition-fast);
}

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

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(10, 126, 92, 0.35);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all var(--transition-base);
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--color-primary-dark);
    box-shadow: 0 6px 24px rgba(10, 126, 92, 0.45);
    transform: translateY(-2px);
}

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

.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: 998;
    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;
    gap: 10px;
}

.mobile-cta-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.88rem;
}

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

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

.mobile-cta-estimate {
    background: var(--color-secondary);
    color: var(--color-white);
}

/* ============================================
   ABOUT PAGE STYLES
   ============================================ */
.about-hero {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #0D1321 100%);
    padding: 130px 0 60px;
    text-align: center;
}

.about-hero h1 {
    color: var(--color-white);
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 16px;
}

.about-hero p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.1rem;
    max-width: 620px;
    margin: 0 auto;
}

.about-section {
    padding: var(--section-padding);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.about-value-card {
    text-align: center;
    padding: 32px 24px;
    background: var(--color-off-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.about-value-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.about-value-card-icon svg {
    width: 26px;
    height: 26px;
    fill: var(--color-primary);
}

.about-value-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.about-value-card p {
    font-size: 0.88rem;
    color: var(--color-text-light);
}

/* ============================================
   CONTACT PAGE STYLES
   ============================================ */
.contact-hero {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #0D1321 100%);
    padding: 130px 0 60px;
    text-align: center;
}

.contact-hero h1 {
    color: var(--color-white);
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 16px;
}

.contact-hero p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}

.contact-section {
    padding: var(--section-padding);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    margin-top: 48px;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 24px;
    background: var(--color-off-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.contact-info-card-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: var(--radius-sm);
    background: var(--color-primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-info-card-icon svg {
    width: 22px;
    height: 22px;
    fill: var(--color-primary);
}

.contact-info-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.contact-info-card p {
    font-size: 0.88rem;
    color: var(--color-text-light);
}

/* Contact Form */
.contact-form {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.contact-form h2 {
    font-size: 1.4rem;
    margin-bottom: 24px;
}

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

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.92rem;
    color: var(--color-text);
    transition: border-color var(--transition-fast);
    background: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-bg);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ============================================
   LEGAL PAGE STYLES
   ============================================ */
.legal-hero {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #0D1321 100%);
    padding: 130px 0 50px;
    text-align: center;
}

.legal-hero h1 {
    color: var(--color-white);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    margin-bottom: 8px;
}

.legal-hero p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.95rem;
}

.legal-content {
    padding: 60px 0 90px;
}

.legal-body {
    max-width: 800px;
    margin: 0 auto;
}

.legal-body h2 {
    font-size: 1.3rem;
    margin-top: 36px;
    margin-bottom: 14px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.legal-body h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.legal-body h3 {
    font-size: 1.05rem;
    margin-top: 24px;
    margin-bottom: 10px;
}

.legal-body p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: 14px;
}

.legal-body ul {
    margin: 12px 0 16px 20px;
}

.legal-body li {
    font-size: 0.92rem;
    color: var(--color-text-light);
    margin-bottom: 6px;
    list-style: disc;
    line-height: 1.65;
}

/* ============================================
   SITEMAP PAGE STYLES
   ============================================ */
.sitemap-section {
    padding: var(--section-padding);
}

.sitemap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.sitemap-group h2 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-primary);
    color: var(--color-secondary);
}

.sitemap-group ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sitemap-group li a {
    font-size: 0.92rem;
    color: var(--color-text-light);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-fast);
}

.sitemap-group li a:hover {
    color: var(--color-primary);
    padding-left: 4px;
}

/* ============================================
   404 PAGE STYLES
   ============================================ */
.error-section {
    padding: 120px 0 100px;
    text-align: center;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.error-code {
    font-family: var(--font-heading);
    font-size: clamp(5rem, 12vw, 9rem);
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 16px;
    opacity: 0.2;
}

.error-section h1 {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    margin-bottom: 12px;
}

.error-section p {
    color: var(--color-text-light);
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0 auto 32px;
}

.error-links {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 24px;
}

.error-links a {
    font-size: 0.88rem;
    color: var(--color-primary);
    font-weight: 600;
    padding: 8px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.error-links a:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
}

/* ============================================
   RESPONSIVE — TABLET
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --section-padding: 70px 0;
    }

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

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

    .approach-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .areas-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

/* ============================================
   RESPONSIVE — MOBILE
   ============================================ */
@media (max-width: 768px) {
    :root {
        --section-padding: 56px 0;
    }

    /* Top bar */
    .top-bar {
        display: none;
    }

    /* Header */
    .header-inner {
        height: 64px;
    }

    .header-cta {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    /* Mobile Navigation */
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        align-items: stretch;
        padding: 20px;
        gap: 2px;
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-base);
        overflow-y: auto;
        z-index: 2000;
    }

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

    .mobile-nav-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-bottom: 20px;
        margin-bottom: 12px;
        border-bottom: 1px solid var(--color-border);
    }

    .mobile-nav-logo {
        height: 32px;
        width: auto;
    }

    .mobile-nav-close {
        background: none;
        border: none;
        font-size: 1.8rem;
        cursor: pointer;
        color: var(--color-text);
        padding: 4px 8px;
    }

    .main-nav > a,
    .main-nav .dropdown-trigger {
        padding: 12px 16px;
        font-size: 1rem;
        width: 100%;
        text-align: left;
        justify-content: space-between;
    }

    .nav-dropdown {
        width: 100%;
    }

    .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        background: var(--color-off-white);
        border-radius: var(--radius-sm);
        display: none;
        padding: 4px;
    }

    .nav-dropdown.is-open .dropdown-menu {
        display: block;
    }

    .dropdown-menu a {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .mobile-nav-footer {
        display: flex;
        flex-direction: column;
        gap: 10px;
        margin-top: auto;
        padding-top: 20px;
        border-top: 1px solid var(--color-border);
    }

    .mobile-nav-call,
    .mobile-nav-estimate {
        text-align: center;
        justify-content: center;
    }

    /* Mobile overlay */
    .nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1999;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-fast);
    }

    .nav-overlay.is-visible {
        opacity: 1;
        visibility: visible;
    }

    /* Hero */
    .hero {
        padding: 80px 0 60px;
        min-height: auto;
    }

    .hero h1 {
        font-size: clamp(1.8rem, 6vw, 2.6rem);
    }

    .hero-stats {
        gap: 24px;
    }

    .hero-stat-number {
        font-size: 1.1rem;
    }

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

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

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .footer-legal {
        justify-content: center;
    }

    .about-values-grid {
        grid-template-columns: 1fr;
    }

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

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

    /* Mobile sticky CTA */
    .mobile-sticky-cta {
        display: flex;
    }

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

    /* Contact */
    .contact-form {
        padding: 28px 20px;
    }
}

/* ============================================
   RESPONSIVE — SMALL MOBILE
   ============================================ */
@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .cta-actions .btn {
        width: 100%;
        max-width: 320px;
    }

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

    .error-code {
        font-size: 5rem;
    }
}