/* ===================================
   PERIONICA.COM - Clean Enterprise Design
   =================================== */

/* CSS Variables */
:root {
    --color-primary: #1a365d;
    --color-primary-light: #2c5282;
    --color-accent: #3182ce;
    --color-text: #1a202c;
    --color-text-secondary: #4a5568;
    --color-text-light: #718096;
    --color-bg: #ffffff;
    --color-bg-alt: #f7fafc;
    --color-border: #e2e8f0;
    --color-highlight: #ffdd74;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    --max-width: 1200px;
    --max-width-narrow: 800px;
    
    --transition: 0.3s ease;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* Reset & Base */
*, *::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: 1rem;
    line-height: 1.75;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
}

h1 {
    font-size: clamp(1.875rem, 4vw, 2.75rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--spacing-lg);
}

h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

strong {
    font-weight: 600;
    color: var(--color-text);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition);
}

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

address {
    font-style: normal;
}

/* Highlight */
.highlight {
    background: linear-gradient(to top, var(--color-highlight) 40%, transparent 40%);
    padding: 0 4px;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container--narrow {
    max-width: var(--max-width-narrow);
}

/* ===================================
   ANIMATED LOGO
   =================================== */

/* Drum spin animation */
@keyframes drum-spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.drum-spin {
    transform-origin: 20px 25px;
    animation: drum-spin 2s linear infinite;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

/* Logo with animated washing machine */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-primary);
}

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

.logo-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.logo-text {
    font-size: 1.375rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav {
    display: none;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

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

.nav-link--cta {
    padding: 0.5rem 1rem;
    background: var(--color-primary);
    color: var(--color-bg);
    border-radius: var(--radius-sm);
}

.nav-link--cta:hover {
    background: var(--color-primary-light);
    color: var(--color-bg);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    transition: transform var(--transition), opacity var(--transition);
}

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

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

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

.mobile-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md);
    display: none;
    flex-direction: column;
    gap: var(--spacing-xs);
    z-index: 999;
}

.mobile-nav.active {
    display: flex;
}

.mobile-nav-link {
    display: block;
    padding: var(--spacing-sm);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    border-radius: var(--radius-sm);
}

.mobile-nav-link:hover {
    background: var(--color-bg-alt);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 1.5rem;
    font-family: var(--font-family);
    font-size: 0.9375rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
}

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

.btn-primary:hover {
    background: var(--color-primary-light);
    color: var(--color-bg);
    transform: translateY(-1px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Hero Section */
.hero {
    padding: calc(72px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: var(--color-bg-alt);
}

.hero .container {
    display: grid;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero h1 {
    margin-bottom: var(--spacing-lg);
}

.hero-lead {
    font-size: 1.125rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.hero-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin: var(--spacing-xl) 0;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-text);
}

.contact-link svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
}

.contact-link:hover {
    color: var(--color-accent);
}

.hero-image {
    display: none;
}

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

/* Sections */
.section {
    padding: var(--spacing-3xl) 0;
}

.section--alt {
    background: var(--color-bg-alt);
}

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

.section--centered h2 {
    text-align: center;
}

.section--centered p {
    text-align: center;
}

.section--centered .lead {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-text {
    max-width: 600px;
}

.lead {
    font-size: 1.125rem;
    color: var(--color-text);
}

.emphasis {
    font-size: 1.0625rem;
    color: var(--color-text);
    margin: var(--spacing-lg) 0;
}

/* Highlight Box */
.highlight-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-bg-alt);
    border-left: 3px solid var(--color-accent);
    margin: var(--spacing-xl) auto;
    max-width: 500px;
    text-align: left;
}

.section--centered .highlight-box {
    background: var(--color-bg);
}

.highlight-box svg {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    color: var(--color-accent);
}

.highlight-box p {
    margin: 0;
    font-weight: 500;
    color: var(--color-text);
}

/* Content Grid with Image */
.content-grid {
    display: grid;
    gap: var(--spacing-2xl);
    align-items: center;
}

.section-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

/* Standards List with Icons */
.standards-list {
    list-style: none;
    margin: var(--spacing-lg) 0;
}

.standards-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

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

.standards-list svg {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    color: var(--color-accent);
    margin-top: 2px;
}

.standards-list li div {
    display: flex;
    flex-direction: column;
}

.standards-list li strong {
    font-size: 1rem;
    color: var(--color-text);
}

.standards-list li span {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

/* Info Highlight */
.info-highlight {
    margin: var(--spacing-xl) auto;
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    max-width: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.info-highlight svg {
    width: 40px;
    height: 40px;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.info-content {
    margin-bottom: var(--spacing-sm);
}

.info-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.info-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.info-highlight > p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* Models */
.models {
    display: grid;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.model {
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: left;
}

.model svg {
    width: 32px;
    height: 32px;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.model h3 {
    color: var(--color-primary);
}

.model p {
    margin: 0;
    font-size: 0.9375rem;
}

.note {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* Clients Grid */
.clients-grid {
    display: grid;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.client-type {
    padding: var(--spacing-lg);
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.client-type svg {
    width: 40px;
    height: 40px;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.client-type h3 {
    color: var(--color-primary);
}

.client-type p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

.b2b-notice {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-primary);
    color: var(--color-bg);
    border-radius: var(--radius-md);
    display: inline-block;
}

.b2b-notice strong {
    color: var(--color-bg);
}

/* ===================================
   LOCATION SECTION
   =================================== */

.location-info {
    margin: var(--spacing-xl) auto;
    text-align: center;
}

.location-address {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.location-city {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.location-landmark {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin: 0;
}

/* FAQ */
.faq-list {
    margin: var(--spacing-xl) 0;
    text-align: left;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-item:first-child {
    border-top: 1px solid var(--color-border);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    background: none;
    border: none;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    text-align: left;
    cursor: pointer;
}

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

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

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 150px;
}

.faq-answer p {
    margin: 0;
    padding-bottom: var(--spacing-md);
    text-align: left;
}

.faq-note {
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

/* CTA Section */
.section--cta {
    background: var(--color-bg-alt);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-lead {
    font-size: 1.125rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
}

.cta-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.contact-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-weight: 500;
    color: var(--color-text);
    transition: all var(--transition);
}

.contact-card:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.contact-card svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
}

/* Footer */
.footer {
    background: var(--color-primary);
    color: var(--color-bg);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-bg);
    margin-bottom: var(--spacing-xs);
}

.footer-logo-link:hover {
    color: rgba(255, 255, 255, 0.9);
}

.footer-logo-icon {
    width: 32px;
    height: 32px;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 700;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-xs);
    margin-bottom: 0;
}

.footer-contact h3,
.footer-hours h3,
.footer-location h3 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: var(--spacing-sm);
}

.footer-contact a {
    display: block;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xs);
}

.footer-contact a:hover {
    color: var(--color-bg);
}

.footer-location address {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.footer-hours p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-xs);
    font-size: 0.9375rem;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    margin: 0;
}

/* ===================================
   RESPONSIVE STYLES
   =================================== */

@media (min-width: 640px) {
    .hero-contact {
        flex-direction: row;
        gap: var(--spacing-lg);
    }
    
    .hero-image {
        display: block;
    }
    
    .models {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-contact {
        flex-direction: row;
        justify-content: center;
    }
    
    .contact-card {
        flex: 1;
        max-width: 260px;
    }
    
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

@media (min-width: 768px) {
    .content-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .content-grid--reverse {
        direction: rtl;
    }
    
    .content-grid--reverse > * {
        direction: ltr;
    }
    
    .clients-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1024px) {
    .nav {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: none;
    }
    
    .mobile-nav {
        display: none !important;
    }
    
    .hero .container {
        grid-template-columns: 1fr 1fr;
    }
    
    .section {
        padding: var(--spacing-3xl) 0;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *, *::before, *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
    
    .drum-spin {
        animation: none;
    }
}

/* Print */
@media print {
    .header, .mobile-nav, .btn, .faq-question svg {
        display: none !important;
    }
    
    .hero {
        padding-top: 0;
    }
    
    .faq-answer {
        max-height: none;
    }
    
    .drum-spin {
        animation: none;
    }
}

/* ===================================
   MOBILE STICKY FOOTER
   =================================== */

.mobile-sticky-footer {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-sm);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
}

.sticky-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sticky-btn:active {
    transform: scale(0.98);
}

.sticky-btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sticky-btn--call {
    background: var(--color-primary);
    color: var(--color-bg);
}

.sticky-btn--call:hover {
    background: var(--color-primary-dark);
    color: var(--color-bg);
}

.sticky-btn--whatsapp {
    background: #25D366;
    color: white;
}

.sticky-btn--whatsapp:hover {
    background: #128C7E;
    color: white;
}

/* Location Link Styles */
.location-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s ease;
}

.location-link:hover {
    opacity: 0.8;
}

.location-link .location-address,
.location-link .location-city {
    color: inherit;
}

.footer-location a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
}

.footer-location a:hover {
    color: rgba(255, 255, 255, 0.9);
}

.footer-location a address {
    font-style: normal;
}

/* Show sticky footer only on mobile */
@media (max-width: 767px) {
    .mobile-sticky-footer {
        display: flex;
    }
    
    /* Add padding to body to prevent content from being hidden behind sticky footer */
    body {
        padding-bottom: 70px;
    }
    
    .footer {
        padding-bottom: var(--spacing-lg);
    }
}

/* Hide sticky footer on larger screens */
@media (min-width: 768px) {
    .mobile-sticky-footer {
        display: none !important;
    }
    
    body {
        padding-bottom: 0;
    }
}

/* Print - hide sticky footer */
@media print {
    .mobile-sticky-footer {
        display: none !important;
    }
}