/* KlimaServis - HVAC Static Website Styles */

/* ============================================
   CSS Custom Properties (Theme Variables)
   ============================================ */
:root {
    /* Colors */
    --color-primary: #1a73e8;
    --color-primary-dark: #1557b0;
    --color-accent: #e3f2fd;
    --color-white: #ffffff;
    --color-text: #212121;
    --color-text-light: #555555;
    --color-border: #e0e0e0;
    --color-dark-bg: #1a1a2e;
    --color-dark-text: #f0f0f0;
    --color-success: #2e7d32;
    --color-error: #d32f2f;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-section: 5rem;

    /* Typography */
    --font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-h1: 2.5rem;
    --font-size-h2: 2rem;
    --font-size-h3: 1.5rem;
    --line-height-base: 1.6;
    --line-height-heading: 1.2;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;

    /* Transitions */
    --transition-fast: 200ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Borders */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);

    /* Layout */
    --container-max-width: 1200px;
    --nav-height: 70px;
}

/* ============================================
   CSS Reset / Normalize
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

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

/* Remove default list styles */
ul,
ol {
    list-style: none;
}

/* Reset anchor styles */
a {
    text-decoration: none;
    color: inherit;
}

/* Make images responsive by default */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Remove default button styles */
button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
}

/* Remove default form element styles */
input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

/* ============================================
   Typographic Hierarchy
   ============================================ */
h1 {
    font-size: var(--font-size-h1);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-heading);
    color: var(--color-text);
}

h2 {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-heading);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-heading);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

/* ============================================
   Base Layout / Section Spacing
   ============================================ */
section {
    padding: var(--spacing-section) var(--spacing-lg);
}

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

/* ============================================
   Focus Styles (Accessibility)
   ============================================ */
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================
   Navigation Header
   ============================================ */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    height: var(--nav-height);
}

header nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 100%;
}

.nav-brand {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    display: flex;
    align-items: center;
}

.nav-logo {
    height: 64px;
    width: auto;
    object-fit: contain;
}

.nav-brand:hover {
    color: var(--color-primary-dark);
}

.nav-brand:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--border-radius-sm);
}

/* Hamburger Button */
.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-sm);
}

.nav-toggle:hover {
    background-color: var(--color-accent);
}

.nav-toggle:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.hamburger {
    display: block;
    width: 24px;
    height: 3px;
    background-color: var(--color-text);
    border-radius: 2px;
    position: relative;
    transition: background-color var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 3px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition-base);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

/* Mobile Menu */
.nav-menu {
    position: absolute;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 300ms ease;
}

.nav-menu.active {
    max-height: 500px;
}

.nav-menu li {
    border-bottom: 1px solid var(--color-border);
}

.nav-menu li:last-child {
    border-bottom: none;
}

.nav-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-menu a:hover {
    background-color: var(--color-accent);
    color: var(--color-primary);
}

/* Desktop Navigation (≥768px) */
@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }

    .nav-menu {
        position: static;
        display: flex;
        max-height: none;
        overflow: visible;
        box-shadow: none;
        width: auto;
        gap: var(--spacing-xs);
        margin-right: 8%;
    }

    .nav-menu li {
        border-bottom: none;
    }

    .nav-menu a {
        padding: var(--spacing-xs) var(--spacing-sm);
        border-radius: var(--border-radius-sm);
    }
}

/* Offset main content for fixed header */
main {
    padding-top: var(--nav-height);
}

/* ============================================
   Scroll Animation Classes
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 500ms ease, transform 500ms ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive Layout Utilities (Mobile-First)
   ============================================ */

/* --- Base Grid Container --- */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

/* --- Services Grid --- */
/* Mobile: single column (default) */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

/* --- Gallery Grid --- */
/* Mobile: 2 columns */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

/* --- Testimonials Grid --- */
/* Mobile: single column */
.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

/* --- Footer Grid --- */
/* Mobile: single column stacked */
.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

/* --- About Layout --- */
/* Mobile: single column stacked */
.about-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

/* --- Advantages Grid --- */
/* Mobile: single column */
.advantages-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

/* ============================================
   Tablet Breakpoint (min-width: 768px)
   ============================================ */
@media (min-width: 768px) {
    /* Services: 2 columns */
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    /* Testimonials: 2 columns */
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* About: 2 columns (image + text) */
    .about-layout {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }

    /* Advantages: multi-column grid (2 columns) */
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Footer: 3 columns */
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   Desktop Breakpoint (min-width: 1024px)
   ============================================ */
@media (min-width: 1024px) {
    /* Services: 3 columns */
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Advantages: can expand to more columns on wider screens */
    .advantages-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   Hero Section
   ============================================ */
#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('../images/1.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: var(--spacing-lg);
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: var(--spacing-lg);
}

.hero-tagline {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--font-size-base);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
}

.hero-content h1 {
    color: var(--color-white);
    font-size: var(--font-size-h1);
    margin-bottom: var(--spacing-md);
}

.hero-content p {
    color: var(--color-white);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

/* CTA Button */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-base);
    text-align: center;
    cursor: pointer;
    transition: background-color var(--transition-base), transform var(--transition-fast);
}

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

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

.btn-primary:focus-visible {
    outline: 3px solid var(--color-white);
    outline-offset: 3px;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: #25D366;
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: background-color var(--transition-base), transform var(--transition-fast);
}

.btn-whatsapp:hover {
    background-color: #1ebe5c;
    transform: translateY(-2px);
    color: var(--color-white);
}

.btn-whatsapp-inline {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-md);
}

/* Responsive hero text sizing */
@media (min-width: 768px) {
    .hero-content h1 {
        font-size: 3rem;
    }

    .hero-content p {
        font-size: 1.25rem;
    }
}

@media (min-width: 1024px) {
    .hero-content h1 {
        font-size: 3.5rem;
    }
}

/* ============================================
   Services Section
   ============================================ */
#services {
    text-align: center;
}

#services h2 {
    margin-bottom: var(--spacing-xl);
}

/* --- Service Card --- */
.service-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.service-card .service-icon {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.service-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: 0;
    line-height: var(--line-height-base);
}

/* ============================================
   Pricing Section
   ============================================ */
#pricing {
    background-color: var(--color-bg-alt, #f8f9fa);
    text-align: center;
}

#pricing h2 {
    margin-bottom: var(--spacing-xl);
}

.price-badge {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
}

.price-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-sm) 0 0;
    text-align: left;
}

.price-list li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid #e5e7eb;
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.price-list li:last-child {
    border-bottom: none;
}

.pricing-note {
    margin-top: var(--spacing-xl);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-style: italic;
}

/* ============================================
   About Section
   ============================================ */
#about h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.about-image img {
    width: 100%;
    min-width: 200px;
    min-height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.about-text p {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-base);
    margin-bottom: var(--spacing-lg);
}

.stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    min-width: 120px;
}

.stat-number {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

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

/* ============================================
   Advantages Section
   ============================================ */
#advantages {
    background-color: var(--color-accent);
}

#advantages h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.advantage-item {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.advantage-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.advantage-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background-color: var(--color-accent);
    border-radius: 50%;
    color: var(--color-primary);
}

.advantage-item h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.advantage-item p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* ============================================
   Services Section
   ============================================ */
#services {
    text-align: center;
}

#services h2 {
    margin-bottom: var(--spacing-xl);
}

.service-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.service-icon {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   About Section
   ============================================ */
#about h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.about-image img {
    width: 100%;
    min-width: 200px;
    min-height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius-md);
}

.about-text p {
    margin-bottom: var(--spacing-lg);
}

.stats {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* ============================================
   Footer
   ============================================ */
footer {
    background-color: var(--color-dark-bg);
    color: var(--color-dark-text);
    padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-lg);
}

footer h3 {
    color: var(--color-dark-text);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

footer p {
    color: var(--color-dark-text);
    margin-bottom: var(--spacing-xs);
    opacity: 0.85;
}

footer a {
    color: var(--color-dark-text);
    transition: color var(--transition-fast);
}

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

footer a:focus-visible {
    outline: 3px solid var(--color-white);
    outline-offset: 2px;
}

.footer-business-name {
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
    opacity: 1;
}

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

.footer-column {
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.social-links a {
    display: inline-block;
    padding: var(--spacing-xs) 0;
}

.footer-copyright {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    text-align: center;
}

.footer-copyright p {
    opacity: 0.7;
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

/* ============================================
   Gallery Section
   ============================================ */
#gallery {
    text-align: center;
}

#gallery h2 {
    margin-bottom: var(--spacing-xl);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    aspect-ratio: 4 / 3;
}

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

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

.gallery-item:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.gallery-item img:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--border-radius-md);
}

/* ============================================
   Lightbox Overlay
   ============================================ */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

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

.lightbox-content {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.lightbox-image {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--border-radius-sm);
    z-index: 1;
}

.lightbox-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    color: var(--color-white);
    font-size: 2.5rem;
    line-height: 1;
    z-index: 2;
    padding: var(--spacing-xs);
    transition: opacity var(--transition-fast);
}

.lightbox-close:hover {
    opacity: 0.7;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-white);
    font-size: 2rem;
    z-index: 2;
    padding: var(--spacing-sm);
    transition: opacity var(--transition-fast);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    opacity: 0.7;
}

.lightbox-prev {
    left: var(--spacing-md);
}

.lightbox-next {
    right: var(--spacing-md);
}

.lightbox-close:focus-visible,
.lightbox-prev:focus-visible,
.lightbox-next:focus-visible {
    outline: 3px solid var(--color-white);
    outline-offset: 2px;
}


/* ============================================
   Contact Form Section
   ============================================ */
#contact {
    max-width: var(--container-max-width);
    margin: 0 auto;
}

#contact h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

#contact-form {
    max-width: 600px;
    margin: 0 auto;
}

/* Form Group */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-base);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.15);
    outline: none;
}

.form-group input[aria-invalid="true"],
.form-group select[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
}

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

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23555' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-sm) center;
    padding-right: var(--spacing-xl);
}

/* Error Message */
.error-message {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-error);
    margin-top: var(--spacing-xs);
    min-height: 1.25em;
    visibility: hidden;
}

.error-message.active {
    visibility: visible;
}

.form-contact-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: calc(var(--spacing-xs) * -1);
    margin-bottom: var(--spacing-md);
}

/* Submit Button */
.btn-submit {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-lg);
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    border: none;
}

@media (min-width: 768px) {
    .btn-submit {
        width: auto;
        min-width: 200px;
    }
}

/* Success Message */
.form-success-message {
    max-width: 600px;
    margin: var(--spacing-lg) auto 0;
    padding: var(--spacing-md);
    background-color: #e8f5e9;
    border: 1px solid var(--color-success);
    border-radius: var(--border-radius-md);
    text-align: center;
}

.form-success-message p {
    color: var(--color-success);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-md);
}


/* ============================================
   Testimonials Section
   ============================================ */
#testimonials {
    max-width: var(--container-max-width);
    margin: 0 auto;
}

#testimonials h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.testimonial-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.testimonial-stars {
    display: flex;
    gap: 2px;
    margin-bottom: var(--spacing-sm);
}

.testimonial-card p {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: var(--line-height-base);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-card cite {
    display: block;
    font-style: normal;
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    font-size: var(--font-size-sm);
}