/* ==========================================================================
   PLUMBER - PREMIUM PLUMBING SERVICES TEMPLATE
   Design: Dependable, clean, professional with blue/white palette
   ========================================================================== */

/* ==========================================================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ========================================================================== */

:root {
    /* Color Palette - Blue (Trust & Reliability) */
    --color-primary-50: #eff6ff;
    --color-primary-100: #dbeafe;
    --color-primary-200: #bfdbfe;
    --color-primary-300: #93c5fd;
    --color-primary-400: #60a5fa;
    --color-primary-500: #2563eb;
    --color-primary-600: #1d4ed8;
    --color-primary-700: #1e40af;
    --color-primary-800: #1e3a8a;
    --color-primary-900: #1e293b;

    /* Emergency Red */
    --color-emergency-400: #f87171;
    --color-emergency-500: #ef4444;
    --color-emergency-600: #dc2626;

    /* Success Green */
    --color-success-400: #4ade80;
    --color-success-500: #22c55e;
    --color-success-600: #16a34a;

    /* Neutral Scale */
    --color-neutral-50: #f9fafb;
    --color-neutral-100: #f3f4f6;
    --color-neutral-200: #e5e7eb;
    --color-neutral-300: #d1d5db;
    --color-neutral-400: #9ca3af;
    --color-neutral-500: #6b7280;
    --color-neutral-600: #4b5563;
    --color-neutral-700: #374151;
    --color-neutral-800: #1f2937;
    --color-neutral-900: #111827;

    /* Typography Scale */
    --text-hero: clamp(2.5rem, 6vw, 4.5rem);      /* 40-72px */
    --text-display: clamp(2rem, 5vw, 3.5rem);     /* 32-56px */
    --text-h1: clamp(2rem, 4vw, 3rem);            /* 32-48px */
    --text-h2: clamp(1.75rem, 3vw, 2.5rem);       /* 28-40px */
    --text-h3: clamp(1.5rem, 2.5vw, 2rem);        /* 24-32px */
    --text-h4: clamp(1.25rem, 2vw, 1.5rem);       /* 20-24px */
    --text-body-lg: 1.125rem;                      /* 18px */
    --text-body: 1rem;                             /* 16px */
    --text-small: 0.875rem;                        /* 14px */
    --text-xs: 0.75rem;                            /* 12px */

    /* Spacing Scale (8px base) */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    --space-24: 6rem;     /* 96px */
    --space-32: 8rem;     /* 128px */

    /* Border Radius */
    --radius-sm: 0.375rem;    /* 6px */
    --radius-md: 0.5rem;      /* 8px */
    --radius-lg: 0.75rem;     /* 12px */
    --radius-xl: 1rem;        /* 16px */
    --radius-2xl: 1.5rem;     /* 24px */
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.3);
    --shadow-glow-lg: 0 0 60px rgba(37, 99, 235, 0.4);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 600ms cubic-bezier(0.16, 1, 0.3, 1);

    /* Semantic Colors */
    --bg-primary: #ffffff;
    --bg-secondary: var(--color-neutral-50);
    --text-primary: var(--color-neutral-900);
    --text-secondary: var(--color-neutral-600);
    --text-muted: var(--color-neutral-500);
    --border-color: var(--color-neutral-200);
}

/* Dark Mode */
[data-theme="dark"] {
    --color-neutral-50: #1f2937;
    --color-neutral-100: #374151;
    --color-neutral-200: #4b5563;
    --color-neutral-800: #e5e7eb;
    --color-neutral-900: #f9fafb;

    --bg-primary: #0a0a0a;
    --bg-secondary: #1f2937;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --border-color: #374151;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.5);
}

/* ==========================================================================
   BASE STYLES
   ========================================================================== */

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

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

body {
    font-family: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: var(--text-body);
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Work Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); }

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
}

a {
    color: var(--color-primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-700);
}

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

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

/* Selection */
::selection {
    background-color: var(--color-primary-500);
    color: white;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-neutral-400);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-neutral-500);
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section {
    padding: var(--space-20) 0;
}

.section-lg {
    padding: var(--space-24) 0;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.sr-only:focus {
    position: static;
    width: auto;
    height: auto;
    padding: var(--space-2) var(--space-4);
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-base), border-color var(--transition-base);
}

[data-theme="dark"] .navbar {
    background-color: rgba(10, 10, 10, 0.8);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    padding: 0 var(--space-6);
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: 'Work Sans', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.navbar-logo svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary-600);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    list-style: none;
}

.navbar-menu a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.navbar-menu a:hover {
    color: var(--text-primary);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background-color: var(--color-neutral-200);
    transform: rotate(15deg);
}

.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Emergency Call Button */
.btn-emergency {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: linear-gradient(135deg, var(--color-emergency-500) 0%, var(--color-emergency-600) 100%);
    color: white;
    font-weight: 600;
    font-size: var(--text-small);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.btn-emergency:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    color: white;
}

.btn-emergency svg {
    width: 18px;
    height: 18px;
    animation: pulse-phone 2s ease-in-out infinite;
}

@keyframes pulse-phone {
    0%, 100% { transform: rotate(0deg) scale(1); }
    25% { transform: rotate(-15deg) scale(1.1); }
    75% { transform: rotate(15deg) scale(1.1); }
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-weight: 600;
    font-size: var(--text-body);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    color: white;
}

.btn-outline {
    border: 2px solid var(--color-primary-600);
    color: var(--color-primary-600);
}

.btn-outline:hover {
    background-color: var(--color-primary-600);
    color: white;
}

.btn-lg {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-body-lg);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(37, 99, 235, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-text h1 {
    font-size: var(--text-hero);
    margin-bottom: var(--space-6);
    line-height: 1.1;
}

.hero-text p {
    font-size: var(--text-body-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    max-width: 540px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-12);
}

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

.hero-feature-number {
    font-size: var(--text-h2);
    font-weight: 700;
    color: var(--color-primary-600);
    margin-bottom: var(--space-2);
}

.hero-feature-text {
    font-size: var(--text-small);
    color: var(--text-muted);
    margin: 0;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
}

/* Emergency Badge */
.emergency-badge {
    position: absolute;
    top: var(--space-8);
    right: var(--space-8);
    padding: var(--space-4) var(--space-6);
    background: linear-gradient(135deg, var(--color-emergency-500) 0%, var(--color-emergency-600) 100%);
    color: white;
    border-radius: var(--radius-xl);
    font-weight: 600;
    box-shadow: var(--shadow-xl);
    animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.service-card {
    position: relative;
    padding: var(--space-8);
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-spring);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary-500), var(--color-primary-600));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-spring);
}

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

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary-300);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-100) 0%, var(--color-primary-200) 100%);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-6);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-600) 100%);
    transform: scale(1.1);
}

.service-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary-600);
    transition: color var(--transition-base);
}

.service-card:hover .service-icon svg {
    color: white;
}

.service-card h3 {
    font-size: var(--text-h4);
    margin-bottom: var(--space-3);
}

.service-card p {
    font-size: var(--text-body);
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.service-features {
    list-style: none;
    margin-bottom: var(--space-6);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    font-size: var(--text-small);
    color: var(--text-secondary);
}

.service-features svg {
    width: 16px;
    height: 16px;
    color: var(--color-success-500);
    flex-shrink: 0;
}

/* ==========================================================================
   WHY CHOOSE US SECTION
   ========================================================================== */

.why-us-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.why-us-image {
    position: relative;
}

.why-us-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.why-us-list {
    display: grid;
    gap: var(--space-6);
}

.why-us-item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-6);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.why-us-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.why-us-item-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-600) 100%);
    border-radius: var(--radius-lg);
}

.why-us-item-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.why-us-item-content h4 {
    font-size: var(--text-h4);
    margin-bottom: var(--space-2);
}

.why-us-item-content p {
    font-size: var(--text-body);
    color: var(--text-secondary);
    margin: 0;
}

/* ==========================================================================
   SERVICE AREAS SECTION
   ========================================================================== */

.service-areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-12);
}

.area-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-6);
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    font-weight: 600;
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.area-badge:hover {
    background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-600) 100%);
    color: white;
    border-color: var(--color-primary-600);
    transform: translateY(-2px);
}

/* ==========================================================================
   TESTIMONIALS SECTION
   ========================================================================== */

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.testimonial-card {
    padding: var(--space-8);
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-spring);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-300);
}

.testimonial-rating {
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
}

.testimonial-rating svg {
    width: 20px;
    height: 20px;
    color: #fbbf24;
}

.testimonial-text {
    font-size: var(--text-body);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary-400), var(--color-primary-600));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
}

.testimonial-author-info h5 {
    font-size: var(--text-body);
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.testimonial-author-info p {
    font-size: var(--text-small);
    color: var(--text-muted);
    margin: 0;
}

/* ==========================================================================
   CTA SECTION
   ========================================================================== */

.cta-section {
    background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
    color: white;
    text-align: center;
    border-radius: var(--radius-2xl);
    padding: var(--space-20);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-section h2 {
    color: white;
    font-size: var(--text-display);
    margin-bottom: var(--space-6);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--text-body-lg);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
}

.btn-white {
    background-color: white;
    color: var(--color-primary-600);
}

.btn-white:hover {
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--color-primary-700);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-16) 0 var(--space-8) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-brand h3 {
    font-size: var(--text-h3);
    margin-bottom: var(--space-4);
}

.footer-brand p {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    color: white;
    border-color: var(--color-primary-600);
    transform: translateY(-2px);
}

.footer-links h4 {
    font-size: var(--text-body);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-3);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: var(--text-small);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-primary-600);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-bottom p {
    font-size: var(--text-small);
    color: var(--text-muted);
    margin: 0;
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-6);
}

.footer-bottom-links a {
    font-size: var(--text-small);
    color: var(--text-muted);
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Stagger delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ==========================================================================
   REDUCED MOTION
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal, .reveal-left, .reveal-right, .reveal-scale {
        opacity: 1;
        transform: none;
    }
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 1024px) {
    .hero-content,
    .why-us-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

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

@media (max-width: 768px) {
    .navbar-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background-color: var(--bg-primary);
        border-top: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
        padding: var(--space-6);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .navbar-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .navbar-menu li {
        width: 100%;
    }

    .navbar-menu a {
        display: block;
        padding: var(--space-4);
        border-bottom: 1px solid var(--border-color);
    }

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

    .hero-features {
        grid-template-columns: 1fr;
    }

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

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

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

@media (max-width: 640px) {
    .section {
        padding: var(--space-16) 0;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

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

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

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
    .navbar,
    .footer,
    .btn,
    .cta-section {
        display: none;
    }

    body {
        background: white;
        color: black;
    }
}

/* ==========================================================================
   PERFORMANCE OPTIMIZATION
   ========================================================================== */

section {
    content-visibility: auto;
    contain-intrinsic-size: 0 500px;
}