/*
 * styles.css - Complete CSS for Construction Company Website
 * Mobile-first responsive design with modern CSS features
 * No external dependencies, pure CSS with CSS Custom Properties
 */

/* ===== CSS CUSTOM PROPERTIES (DESIGN TOKENS) ===== */
:root {
    /* Colors */
    --color-primary: #ef4444;
    --color-primary-light: rgba(246, 59, 59, 0.53);  /* Light blue */
    --color-primary-dark: #ef1111;   /* Darker blue */
    --color-accent: #f59e0b;         /* Orange/amber accent */
    --color-accent-light: #fbbf24;   /* Light orange */
    --color-accent-dark: #d97706;    /* Dark orange */

    --color-text: #1f2937;           /* Dark gray */
    --color-text-light: #6b7280;     /* Medium gray */
    --color-text-muted: #9ca3af;     /* Light gray */

    --color-bg: #ffffff;             /* White */
    --color-bg-light: #f9fafb;       /* Very light gray */
    --color-bg-dark: #f3f4f6;        /* Light gray */

    --color-border: #e5e7eb;         /* Border gray */
    --color-border-light: #f3f4f6;   /* Light border */

    --color-success: #10b981;        /* Green */
    --color-error: #ef4444;          /* Red */
    --color-warning: #f59e0b;        /* Amber */

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;     /* 12px */
    --font-size-sm: 0.875rem;    /* 14px */
    --font-size-base: 1rem;      /* 16px */
    --font-size-lg: 1.125rem;    /* 18px */
    --font-size-xl: 1.25rem;     /* 20px */
    --font-size-2xl: 1.5rem;     /* 24px */
    --font-size-3xl: 1.875rem;   /* 30px */
    --font-size-4xl: 2.25rem;    /* 36px */
    --font-size-5xl: 3rem;       /* 48px */

    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Spacing */
    --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 */

    /* Layout */
    --container-max-width: 1200px;
    --container-padding: var(--space-4);

    /* Border radius */
    --radius-sm: 0.25rem;    /* 4px */
    --radius-base: 0.5rem;   /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    --radius-full: 9999px;   /* Full rounded */

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ==========================================================
   Prevent Hero Section Colors from Changing in Dark Mode
   ========================================================== */
@media (prefers-color-scheme: dark) {
    /* Keep hero background light even in dark mode */
    .hero {
        background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%) !important;
    }

    /* Keep hero text bright and readable */
    .hero__content,
    .hero__title,
    .hero__title--accent,
    .hero__subtitle {
        color: #f9fafb !important; /* Dark text for light background */
    }

    .hero__title--accent {
        color: #f9fafb !important; /* Slightly darker accent */
    }

    .hero__subtitle {
        color: #f9fafb !important; /* Medium gray for subtitle */
    }

    /* Optional: Adjust hero buttons for consistency */
    .hero__buttons .button--primary {
        background-color: #f9fafb !important;
        color: #111827 !important;
    }

    .hero__buttons .button--secondary {
        background-color: #e5e7eb !important;
        color: #111827 !important;
    }
}


/* ===== RESET & BASE STYLES ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input,
button,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

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

ul,
ol {
    list-style: none;
}

/* Focus styles for accessibility */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ===== UTILITY CLASSES ===== */
.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;
}

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ===== PROGRESS BAR ===== */
#progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    z-index: var(--z-fixed);
    transition: width var(--transition-fast);
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-light);
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.header__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}

.logo-text {
    font-size: 28px;
    font-weight: 800;
    /*color: #1a1a1a;*/
    letter-spacing: 2px;
    text-transform: uppercase;
    background: var(--color-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    cursor: default;
    transition: transform 0.3s ease, text-shadow 0.3s ease;
}

.logo-text:hover {
    transform: scale(1.05);
    text-shadow: 0 1px 10px var(--color-primary-dark);
}

.header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
    gap: var(--space-4);
}

.header__logo img {
    width: auto;
    height: 40px;
}

.header__contact {
    display: none;
    align-items: center;
    gap: var(--space-4);
}

.header__phone {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

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

.header__social {
    display: flex;
    gap: var(--space-2);
}

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

.social-link:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: var(--z-modal);
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--color-text);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: var(--color-bg);
    transition: left var(--transition-base);
    z-index: var(--z-modal);
    padding-top: 80px;
}

.nav.active {
    left: 0;
}

.nav__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-8) var(--space-6);
}

.nav__link {
    display: block;
    padding: var(--space-4);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    border-radius: var(--radius-base);
    transition: all var(--transition-fast);
}

.nav__link:hover {
    background: var(--color-bg-light);
    color: var(--color-primary);
}

/* Header shrink state */
.header.shrink {
    background: rgba(255, 255, 255, 0.98);
}

.header.shrink .header__content {
    padding: var(--space-3) 0;
}

.header.shrink .header__logo img {
    height: 32px;
}

/* Simple header for project page */
.header--simple {
    position: relative;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.back-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-light);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

.back-link:hover {
    color: var(--color-primary);
}


/* ===== SERVICES SECTION ===== */
.services {
    background: var(--color-bg);
}

.services__grid {
    display: grid;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.service-card {
    background: var(--color-bg-light);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid var(--color-border-light);
}

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

.service-card h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-3);
    color: var(--color-primary);
}

.service-card p {
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
}

/* Medium screens */
@media (min-width: 768px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large screens */
@media (min-width: 992px) {
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}


/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-base);
    line-height: 1;
    border-radius: var(--radius-base);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 1px solid transparent;
    text-align: center;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Button variants */
.btn--primary {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn--primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn--secondary {
    background: var(--color-bg);
    color: var(--color-text);
    border-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.btn--secondary:hover:not(:disabled) {
    background: var(--color-bg-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn--whatsapp {
    background: #25d366;
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn--whatsapp:hover:not(:disabled) {
    background: #1fad52;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* Button sizes */
.btn--small {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
}

.btn--large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

.btn--full-width {
    width: 100%;
}

/* ===== HERO SECTION ===== */
.hero {
    padding: calc(80px + var(--space-16)) 0 var(--space-16);
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-light) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    top: 0;
    right: 0%;
    width: 100%;
    height: 100%;
    /*background: linear-gradient(45deg, var(--color-primary-light), var(--color-accent-light));*/
    /*opacity: 0.40;*/
    /*transform: skewX(-15deg);*/
    background: linear-gradient(rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.4)),
        url('images/ukstav_header_logo_2.png') no-repeat center;
    background-size: 1800px auto;
    position: absolute;
    overflow: hidden;
}



.hero__content {
    max-width: 600px;
    position: relative;
    z-index: 1;
}

.hero__title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-6);
    color: var(--color-bg);
}

.hero__title--accent {
    color: var(--color-border);
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-border);
    margin-bottom: var(--space-8);
    line-height: var(--line-height-relaxed);
}

.hero__actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* ===== SECTIONS ===== */
section {
    padding: var(--space-16) 0;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: var(--space-12);
    color: var(--color-text);
}

/* ===== WORKS SECTION ===== */
.works {
    background: var(--color-bg-light);
}

.works__grid {
    display: grid;
    gap: var(--space-6);
    margin-bottom: var(--space-12);
    grid-template-columns: 1fr; /* Mobile: 1 column */
}

/* Tablet and up: 2 columns */
@media (min-width: 768px) {
    .works__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop: 3 columns */
@media (min-width: 992px) {
    .works__grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

.works__actions {
    text-align: center;
}

.work-card {
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-base);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.work-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.work-card__image {
    position: relative;
    overflow: hidden;
}

.work-card__image img {
    width: 100%;
    height: 200px; /* Smaller height for compact cards */
    object-fit: cover;
    transition: transform var(--transition-base);
}

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

.work-card__gallery {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-3);
    overflow-x: auto;
}

.work-card__thumb {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-base);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.work-card__thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.work-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.work-card__content {
    padding: var(--space-5);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.work-card__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-2);
    color: var(--color-text);
}

.work-card__description {
    color: var(--color-text-light);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-sm);
    flex: 1;
}

.work-card__content .btn {
    margin-top: auto;
}

/* ===== TEAM SECTION ===== */
.team__banner {
    margin-bottom: var(--space-12);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.team__banner img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.team__grid {
    display: grid;
    gap: var(--space-8);
}

.team-card {
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-base);
    transition: all var(--transition-base);
    text-align: center;
}

.team-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.team-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.team-card__content {
    padding: var(--space-6);
}

.team-card__name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-2);
    color: var(--color-text);
}

.team-card__role {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

.team-card__experience {
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
}

/* ===== COMPANY INFO SECTION ===== */
.company-info {
    background: var(--color-bg-light);
    padding: var(--space-12) 0;
    border-top: 1px solid var(--color-border-light);
}

.company-info__wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.company-info__header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.company-info__header h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.company-info__grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.company-info__item {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
}

.company-info__icon {
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
    width: 40px;
    text-align: center;
}

.company-info__details {
    flex: 1;
}

.company-info__details strong {
    display: block;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.company-info__details p {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
    margin: 0;
}

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

.company-info__details a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.company-info__item--phones {
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-light);
}

.company-info__phones {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.company-info__phones p {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.phone-name {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.phone-number {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
}

@media (min-width: 768px) {
    .company-info__grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8) var(--space-12);
    }

    .company-info__item--phones {
        grid-column: 1 / -1;
    }

    .company-info__phones {
        flex-direction: row;
        gap: var(--space-8);
    }
}

/* ===== PRICING SECTION ===== */
.pricing {
    background: var(--color-bg-light);
}

.pricing__steps {
    display: grid;
    gap: var(--space-8);
}

.pricing-step {
    display: flex;
    gap: var(--space-6);
    align-items: flex-start;
}

.pricing-step__number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    box-shadow: var(--shadow-md);
}

.pricing-step__content {
    flex: 1;
}

.pricing-step__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-3);
    color: var(--color-text);
}

.pricing-step__description {
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
}

/* ===== REVIEWS SLIDER ===== */
.reviews__container {
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;

    /* Hide scrollbar but keep functionality */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
}

.reviews__container::-webkit-scrollbar {
    display: none; /* Chrome/Safari/Opera */
}

.reviews__track {
    display: flex;
    gap: var(--space-6);
    padding: var(--space-3) var(--space-3);
}

/* ===== REVIEW CARD ===== */
.review-card {
    flex-shrink: 0;
    width: 350px;
    scroll-snap-align: start;
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-base);
    transition: var(--transition-base);
    border: 1px solid var(--color-border);
}

.review-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.review-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.review-card__header img {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.review-card__info {
    flex: 1;
}

.review-card__name {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-1);
    color: var(--color-text);
}

.review-card__rating {
    display: flex;
    gap: var(--space-1);
}

.star {
    color: var(--color-accent);
    font-size: var(--font-size-base);
}

.star--empty {
    color: var(--color-text-muted);
}

.review-card__text {
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
    font-style: italic;
    font-size: var(--font-size-base);
}

@media (max-width: 768px) {
    .review-card {
        width: 300px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .reviews {
        padding: var(--space-8) 0;
    }
}

@media (max-width: 480px) {
    .review-card {
        width: 280px;
    }

    .reviews__track {
        padding: var(--space-3) var(--space-3);
    }
}

/* ===== CONTACT SECTION ===== */
.contact {
    background: var(--color-bg-light);
}

.contact__content {
    display: grid;
    gap: var(--space-12);
}

.contact__info h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-4);
    color: var(--color-text);
}

.contact__info p {
    color: var(--color-text-light);
    margin-bottom: var(--space-8);
    line-height: var(--line-height-relaxed);
}

.contact__methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    color: var(--color-text-light);
}

.contact-method svg {
    flex-shrink: 0;
    color: var(--color-primary);
}

.contact-method div span {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-1);
}

.contact-method a {
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

.contact-method a:hover {
    color: var(--color-primary);
}

/* ===== FORMS ===== */
.contact-form,
.modal__form {
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.form-input {
    width: 100%;
    padding: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    background: var(--color-bg);
    color: var(--color-text);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input.error {
    border-color: var(--color-error);
}

.form-input.success {
    border-color: var(--color-success);
}

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

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-custom {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    transition: all var(--transition-fast);
    position: relative;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 6px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.error-message {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--space-2);
    display: none;
}

.error-message.visible {
    display: block;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-text);
    color: var(--color-bg-light);
    padding: var(--space-16) 0 var(--space-8);
}

.footer__content {
    display: grid;
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer__info,
.footer__contacts,
.footer__legal,
.footer__social {
    display: block;
    margin-bottom: 10px;
}

.footer__logo img {
    filter: brightness(0) invert(1);
    margin: 0 auto var(--space-4);
}

.footer__description {
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
}

.footer h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-4);
    color: white;
}

.footer__address {
    font-style: normal;
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
}

.footer__address a {
    color: var(--color-bg-light);
    transition: color var(--transition-fast);
}

.footer__address a:hover {
    color: var(--color-accent);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer__links a {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: var(--color-accent);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
}

.footer .social-link {
    background: var(--color-bg-dark);
    color: var(--color-text-muted);
}

.footer .social-link:hover {
    background: var(--color-accent);
    color: white;
}

.footer__bottom {
    border-top: 1px solid var(--color-bg-dark);
    padding-top: var(--space-6);
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.footer__bottom p {
    margin-bottom: var(--space-2);
}

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

/* Simple footer for project page */
.footer--simple {
    padding: var(--space-8) 0;
}

.footer__simple {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    text-align: center;
}

.footer__contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer__contact a {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer__contact a:hover {
    color: var(--color-accent);
}

/* ===== MODALS ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.modal.active {
    display: flex;
}

.modal__backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal__content {
    position: relative;
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn var(--transition-base);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6) var(--space-6) 0;
}

.modal__header h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

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

.modal__close:hover {
    background: var(--color-error);
    color: white;
}

.modal__form {
    padding: var(--space-6);
    background: transparent;
    box-shadow: none;
}

.modal__body {
    padding: var(--space-6);
    text-align: center;
}

.modal__body p {
    color: var(--color-text-light);
    margin-bottom: var(--space-6);
    line-height: var(--line-height-relaxed);
}

/* ===== PROJECT DETAILS PAGE ===== */
.project-details {
    padding: var(--space-16) 0;
    min-height: 50vh;
}

.loading {
    text-align: center;
    padding: var(--space-16) 0;
    color: var(--color-text-light);
}

.project-hero {
    margin-bottom: var(--space-12);
}

.project-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-4);
    color: var(--color-text);
}

.project-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--space-8);
    line-height: var(--line-height-relaxed);
}

.project-specs {
    display: grid;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.project-spec {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4);
    background: var(--color-bg-light);
    border-radius: var(--radius-base);
}

.project-spec__label {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-light);
}

.project-spec__value {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.project-gallery {
    margin-bottom: var(--space-12);
}

.project-gallery h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-6);
    color: var(--color-text);
}

.gallery-grid {
    display: grid;
    gap: var(--space-4);
}

.gallery-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-base);
}

.gallery-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.project-description {
    background: var(--color-bg-light);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
}

.project-description h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-4);
    color: var(--color-text);
}

.project-description p {
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-4);
}

.project-description p:last-child {
    margin-bottom: 0;
}

.project-cta {
    background: var(--color-primary-light);
    color: white;
    padding: var(--space-16) 0;
}

.cta-card {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-card h2 {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-4);
}

.cta-card p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--space-8);
    line-height: var(--line-height-relaxed);
}

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

/* ===== LIGHTBOX ===== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox__backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
}

.lightbox__content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
    position: absolute;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox__close {
    top: 20px;
    right: 20px;
}

.lightbox__prev {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox__next {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox__image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.lightbox__caption {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-base);
    font-size: var(--font-size-sm);
}

.lightbox__counter {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-base);
    font-size: var(--font-size-sm);
}

/* ===== PROJECT COMMENTS SECTION ===== */
.project-comments {
    background: var(--color-bg-light);
    padding: var(--space-16) 0;
}

.comment-form-wrapper {
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--space-12);
    border: 2px solid var(--color-accent);
}

.comment-form-wrapper h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.comment-form-wrapper p {
    color: var(--color-text-light);
    margin-bottom: var(--space-6);
}

.comment-form {
    max-width: 600px;
}

.rating-input {
    display: flex;
    gap: var(--space-2);
    font-size: 2rem;
    margin-bottom: var(--space-2);
}

.rating-star {
    cursor: pointer;
    color: var(--color-border);
    transition: all var(--transition-fast);
    user-select: none;
}

.rating-star:hover,
.rating-star.active {
    color: var(--color-accent);
    transform: scale(1.2);
}

.comments-list {
    display: grid;
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.comment-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-base);
    transition: all var(--transition-base);
}

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

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
    gap: var(--space-2);
}

.comment-author {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    font-size: var(--font-size-lg);
}

.comment-rating {
    display: flex;
    gap: var(--space-1);
    color: var(--color-accent);
    font-size: var(--font-size-lg);
}

.comment-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

.comment-text {
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-2);
}

.no-comments {
    text-align: center;
    padding: var(--space-12);
    color: var(--color-text-light);
    font-style: italic;
}

@media (min-width: 768px) {
    .comments-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== HERO COMPANY INFO ===== */
.hero__company-info {
    margin-top: var(--space-12);
}

.company-info-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.company-info__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--space-6);
}

.company-info__grid {
    display: grid;
    gap: var(--space-4);
}

.company-info__item {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
}

.company-info__item--contacts {
    border-top: 1px solid var(--color-border-light);
    padding-top: var(--space-4);
    margin-top: var(--space-2);
}

.company-info__icon {
    font-size: var(--font-size-xl);
    flex-shrink: 0;
    width: 32px;
    text-align: center;
}

.company-info__content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.company-info__label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-light);
}

.company-info__value {
    font-size: var(--font-size-base);
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
}

.company-info__link {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.company-info__link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.company-info__contacts {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.contact-person {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    padding: var(--space-3);
    background: var(--color-bg-light);
    border-radius: var(--radius-base);
}

.contact-person__name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-light);
}

.contact-person__phone {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-person__phone:hover {
    color: var(--color-primary-dark);
}

/* Responsive design */
@media (min-width: 768px) {
    .company-info__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .company-info__item--contacts {
        grid-column: 1 / -1;
    }

    .company-info__contacts {
        flex-direction: row;
        gap: var(--space-6);
    }
}

@media (min-width: 992px) {
    .company-info-card {
        padding: var(--space-10);
    }

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

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeIn 0.6s ease-out;
}

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

/* Small screens (576px and up) */
@media (min-width: 576px) {
    .hero__actions {
        flex-direction: row;
        align-items: center;
    }

    .contact__methods {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .contact-method {
        flex: 1;
        min-width: 200px;
    }

    .footer__simple {
        flex-direction: row;
        justify-content: space-between;
    }

    .footer__contact {
        flex-direction: row;
    }

    .cta-actions {
        flex-direction: row;
    }
}

/* Medium screens (768px and up) */
@media (min-width: 768px) {
    :root {
        --container-padding: var(--space-6);
    }

    .header__contact {
        display: flex;
    }

    .mobile-menu-toggle {
        display: none;
    }

    .nav {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        padding-top: 0;
    }

    .nav__list {
        flex-direction: row;
        gap: var(--space-6);
        padding: 0;
    }

    .nav__link {
        padding: var(--space-2) var(--space-3);
        font-size: var(--font-size-base);
    }

    .hero__title {
        font-size: var(--font-size-5xl);
    }

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

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

    .team__banner img {
        height: 400px;
    }

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

    .contact__content {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }

    .footer__content {
        grid-template-columns: repeat(2, 1fr);
        text-align: left;
    }

    .footer__info {
        grid-column: 1 / -1;
        text-align: center;
        margin-bottom: var(--space-4);
    }

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

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

/* Large screens (992px and up) */
@media (min-width: 992px) {
    .works__grid {
        grid-template-columns: 1fr;
    }

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

    .pricing__steps {
        grid-template-columns: repeat(4, 1fr);
    }

    .pricing-step {
        flex-direction: column;
        text-align: center;
    }

    .footer__content {
        grid-template-columns: repeat(4, 1fr);
    }

    .footer__info {
        grid-column: auto;
        text-align: left;
    }

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

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

/* Extra large screens (1200px and up) */
@media (min-width: 1200px) {
    :root {
        --container-padding: var(--space-8);
    }

    .hero {
        padding: calc(80px + var(--space-20)) 0 var(--space-20);
    }

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

    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===== ACCESSIBILITY IMPROVEMENTS ===== */


/* 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;
    }

    .reviews__track {
        animation: none;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .header,
    .footer,
    .modal,
    .lightbox,
    .btn,
    .social-link {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }

    .hero,
    .section {
        padding: 1rem 0;
    }

    .container {
        max-width: none;
        padding: 0;
    }
}