/* ==========================================================================
   Template: BuildPro Construction
   Version: 1.0.0
   Author: Premium Templates
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Theme Variables)
   -------------------------------------------------------------------------- */
:root {
    /* Construction Color Palette */
    --color-primary: #f97316;
    --color-primary-dark: #ea580c;
    --color-secondary: #fbbf24;
    --color-secondary-light: #fcd34d;
    --color-accent: #fb923c;

    /* Grayscale */
    --color-text: #ffffff;
    --color-text-muted: #9ca3af;
    --color-background: #111827;
    --color-surface: #1f2937;
    --color-surface-light: #374151;
    --color-border: #4b5563;

    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-bebas: 'Bebas Neue', cursive;

    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

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

    /* Shadows with orange glow */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(249, 115, 22, 0.5);
    --shadow-glow-strong: 0 0 50px rgba(249, 115, 22, 0.7);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-bounce: 500ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   Base Styles
   -------------------------------------------------------------------------- */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.font-bebas {
    font-family: var(--font-bebas);
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */

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

.sr-only.focus\:not-sr-only:focus {
    position: static;
    width: auto;
    height: auto;
    padding: inherit;
    margin: inherit;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* --------------------------------------------------------------------------
   Construction Theme Backgrounds & Effects
   -------------------------------------------------------------------------- */

/* Main construction gradient */
.construction-gradient {
    background: linear-gradient(135deg, #1f2937 0%, #111827 50%, #0f172a 100%);
    position: relative;
}

.construction-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(249, 115, 22, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 60%, rgba(251, 191, 36, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Hero glow effect */
.hero-glow {
    background: radial-gradient(circle at 50% 30%, rgba(249, 115, 22, 0.3) 0%, rgba(251, 191, 36, 0.15) 30%, transparent 70%);
}

/* Construction glow on elements */
.construction-glow {
    box-shadow: 0 0 20px rgba(249, 115, 22, 0.4), 0 0 40px rgba(251, 191, 36, 0.2);
}

/* Text gradient */
.construction-text-gradient {
    background: linear-gradient(135deg, #f97316 0%, #fbbf24 50%, #fb923c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Grid pattern overlay */
.grid-pattern {
    background-image:
        linear-gradient(rgba(249, 115, 22, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(249, 115, 22, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */

/* Floating animations for construction icons */
@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

@keyframes float-delayed {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-25px) rotate(-5deg);
    }
}

@keyframes pulse-ring {
    0% {
        transform: scale(0.9);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.3;
    }
    100% {
        transform: scale(0.9);
        opacity: 0.5;
    }
}

@keyframes glow-pulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(249, 115, 22, 0.4), 0 0 40px rgba(251, 191, 36, 0.2);
    }
    50% {
        box-shadow: 0 0 30px rgba(249, 115, 22, 0.6), 0 0 60px rgba(251, 191, 36, 0.3);
    }
}

.float-1 { animation: float 4s ease-in-out infinite; }
.float-2 { animation: float-delayed 5s ease-in-out infinite 0.5s; }
.float-3 { animation: float 6s ease-in-out infinite 1s; }
.float-4 { animation: float-delayed 4.5s ease-in-out infinite 1.5s; }
.float-5 { animation: float 5.5s ease-in-out infinite 2s; }

.pulse-ring {
    animation: pulse-ring 3s ease-in-out infinite;
}

/* Floating icon containers */
.floating-icon {
    position: absolute;
    pointer-events: none;
}

.icon-container {
    padding: 1rem;
    background: rgba(31, 41, 55, 0.8);
    border: 2px solid rgba(249, 115, 22, 0.3);
    border-radius: 1rem;
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 0 30px rgba(249, 115, 22, 0.2);
    transition: all 0.3s ease;
}

.icon-container:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4), 0 0 50px rgba(249, 115, 22, 0.4);
}

/* --------------------------------------------------------------------------
   Scroll Reveal Animations
   -------------------------------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--transition-bounce);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s var(--transition-bounce);
}

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

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s var(--transition-bounce);
}

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

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s var(--transition-bounce);
}

.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 Support
   -------------------------------------------------------------------------- */
@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;
    }

    .floating-icon {
        animation: none;
    }
}

/* --------------------------------------------------------------------------
   Focus States (Accessibility)
   -------------------------------------------------------------------------- */
:focus {
    outline: none;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Skip link styling */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 1rem;
}

/* --------------------------------------------------------------------------
   Touch Targets (Mobile Accessibility)
   -------------------------------------------------------------------------- */
button,
a,
input[type="checkbox"],
input[type="radio"],
select {
    min-height: 44px;
    min-width: 44px;
}

p a,
li a,
span a {
    min-height: auto;
    min-width: auto;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn-primary {
    background: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
    color: white;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #ea580c 0%, #f97316 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.4), 0 0 40px rgba(251, 191, 36, 0.3);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary > * {
    position: relative;
    z-index: 1;
}

.btn-secondary {
    background: rgba(249, 115, 22, 0.1);
    color: var(--color-primary);
    border: 2px solid rgba(249, 115, 22, 0.3);
    transition: all var(--transition-base);
}

.btn-secondary:hover {
    background: rgba(249, 115, 22, 0.2);
    border-color: var(--color-primary);
    box-shadow: 0 0 20px rgba(249, 115, 22, 0.3);
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Badge
   -------------------------------------------------------------------------- */
.badge {
    background: rgba(249, 115, 22, 0.15);
    border: 1px solid rgba(249, 115, 22, 0.3);
    color: #fbbf24;
}

/* --------------------------------------------------------------------------
   Mobile Navigation
   -------------------------------------------------------------------------- */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: rgba(17, 24, 39, 0.98);
    backdrop-filter: blur(20px);
    border-left: 1px solid rgba(249, 115, 22, 0.2);
    padding: 1.5rem;
    z-index: 1000;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.mobile-menu.active {
    display: block;
    transform: translateX(0);
    box-shadow: -10px 0 50px rgba(0, 0, 0, 0.5);
}

/* --------------------------------------------------------------------------
   Service Cards
   -------------------------------------------------------------------------- */
.service-card {
    background: rgba(31, 41, 55, 0.6);
    border: 1px solid rgba(249, 115, 22, 0.2);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #f97316, #fbbf24);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.service-card:hover {
    background: rgba(31, 41, 55, 0.9);
    border-color: var(--color-primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(249, 115, 22, 0.2), 0 0 50px rgba(249, 115, 22, 0.15);
}

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

.service-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.2), rgba(251, 191, 36, 0.2));
    border: 2px solid rgba(249, 115, 22, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all var(--transition-base);
}

.service-card:hover .service-icon-wrapper {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.3), rgba(251, 191, 36, 0.3));
    border-color: var(--color-primary);
    box-shadow: 0 0 30px rgba(249, 115, 22, 0.4);
    transform: scale(1.05);
}

.service-icon-wrapper svg {
    color: var(--color-primary);
}

.service-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-base);
}

.service-cta:hover {
    gap: 1rem;
    color: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   Portfolio Cards
   -------------------------------------------------------------------------- */
.portfolio-card {
    background: rgba(31, 41, 55, 0.6);
    border: 1px solid rgba(75, 85, 99, 0.5);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.portfolio-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 40px rgba(249, 115, 22, 0.2);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.portfolio-category {
    background: rgba(249, 115, 22, 0.95);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --------------------------------------------------------------------------
   Team Cards
   -------------------------------------------------------------------------- */
.team-card {
    background: rgba(31, 41, 55, 0.6);
    border: 1px solid rgba(75, 85, 99, 0.5);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.team-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(249, 115, 22, 0.2);
}

.team-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1/1;
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: all 0.5s ease;
}

.team-card:hover .team-image img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(249, 115, 22, 0.1);
    border: 1px solid rgba(249, 115, 22, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
}

/* --------------------------------------------------------------------------
   Certification & Award Cards
   -------------------------------------------------------------------------- */
.certification-card {
    background: rgba(31, 41, 55, 0.6);
    border: 1px solid rgba(75, 85, 99, 0.5);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition-base);
}

.certification-card:hover {
    background: rgba(31, 41, 55, 0.9);
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.2);
}

.certification-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.15), rgba(251, 191, 36, 0.15));
    border: 2px solid rgba(249, 115, 22, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.certification-card:hover .certification-icon {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.25), rgba(251, 191, 36, 0.25));
    border-color: var(--color-primary);
    box-shadow: 0 0 30px rgba(249, 115, 22, 0.3);
    transform: scale(1.1);
}

.award-card {
    background: rgba(31, 41, 55, 0.6);
    border: 1px solid rgba(75, 85, 99, 0.5);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition-base);
}

.award-card:hover {
    background: rgba(31, 41, 55, 0.9);
    border-color: var(--color-secondary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(251, 191, 36, 0.2);
}

/* --------------------------------------------------------------------------
   Testimonial Cards
   -------------------------------------------------------------------------- */
.testimonial-card {
    background: rgba(31, 41, 55, 0.6);
    border: 1px solid rgba(75, 85, 99, 0.5);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    transition: all var(--transition-base);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -1rem;
    left: 1.5rem;
    font-size: 6rem;
    line-height: 1;
    color: rgba(249, 115, 22, 0.2);
    font-family: Georgia, serif;
}

.testimonial-card:hover {
    background: rgba(31, 41, 55, 0.9);
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(249, 115, 22, 0.15);
}

/* --------------------------------------------------------------------------
   FAQ Accordion
   -------------------------------------------------------------------------- */
.faq-item {
    background: rgba(31, 41, 55, 0.6);
    border: 1px solid rgba(75, 85, 99, 0.5);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: rgba(249, 115, 22, 0.5);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: transparent;
    border: none;
    color: white;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-base);
}

.faq-question:hover {
    background: rgba(249, 115, 22, 0.05);
}

.faq-question[aria-expanded="true"] {
    background: rgba(249, 115, 22, 0.1);
    border-bottom: 1px solid rgba(249, 115, 22, 0.2);
}

.faq-icon {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Form Styles
   -------------------------------------------------------------------------- */
.quote-form {
    background: rgba(31, 41, 55, 0.6);
    border: 1px solid rgba(75, 85, 99, 0.5);
    border-radius: var(--radius-2xl);
    padding: 3rem;
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input {
    width: 100%;
    padding: 1rem;
    background: rgba(17, 24, 39, 0.8);
    border: 2px solid rgba(75, 85, 99, 0.5);
    border-radius: var(--radius-lg);
    color: white;
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(17, 24, 39, 0.95);
    box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.1);
}

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

.form-input.error {
    border-color: #ef4444;
}

.error-message {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: #ef4444;
}

/* --------------------------------------------------------------------------
   Custom Scrollbar
   -------------------------------------------------------------------------- */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-surface);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #f97316, #fbbf24);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #ea580c, #f97316);
}

/* --------------------------------------------------------------------------
   Responsive Adjustments
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    .floating-icon {
        display: none;
    }

    .quote-form {
        padding: 2rem 1.5rem;
    }

    .service-card,
    .portfolio-card,
    .team-card {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 640px) {
    .construction-gradient::before {
        opacity: 0.5;
    }
}