/* ============================================
   KELLY TANGOA CURI - MICROPIGMENTACIÓN
   Brand Colors & Modern UI/UX
   ============================================ */

/* CSS Custom Properties - Brand Colors */
:root {
    /* Brand Colors - Purple/Lavender Palette */
    --color-primary: #8B7BC7;
    --color-primary-light: #B8A9E1;
    --color-primary-dark: #6B5B95;
    --color-primary-extra-light: #E8E3F3;
    
    /* Logo Blue */
    --color-logo: #6B7FD7;
    --color-logo-dark: #5566B8;
    
    /* Accent - Green for active states */
    --color-accent: #4CAF50;
    --color-accent-light: #81C784;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-cream: #FAF8FC;
    --color-lavender-bg: #E8E0F0;
    --color-lavender-light: #F5F0FA;
    --color-gray-100: #f7f7f7;
    --color-gray-200: #e8e8e8;
    --color-gray-300: #d1d1d1;
    --color-gray-500: #6b6b6b;
    --color-gray-700: #3d3d3d;
    --color-gray-900: #1a1a1a;
    
    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-script: 'Dancing Script', cursive;
    --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(107, 91, 149, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(107, 91, 149, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(107, 91, 149, 0.12);
    --shadow-xl: 0 20px 25px -5px rgba(107, 91, 149, 0.15);
    --shadow-glow: 0 0 40px rgba(139, 123, 199, 0.2);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,500&family=Dancing+Script:wght@400;500;600;700&family=Montserrat:wght@300;400;500;600;700&display=swap');

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    list-style: none;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.text-accent {
    color: var(--color-primary);
    font-style: italic;
}

/* ============================================
   PRELOADER
   ============================================ */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: linear-gradient(135deg, var(--color-lavender-light) 0%, var(--color-white) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-content {
    text-align: center;
}

.preloader-logo-img {
    width: 150px;
    height: auto;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-image {
    height: 70px;
    width: auto;
    transition: transform var(--transition-base);
}

.logo-image:hover {
    transform: scale(1.05);
}

.header.scrolled .logo-image {
    height: 55px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-700);
    position: relative;
    padding: var(--space-sm) 0;
    text-decoration: underline;
    text-decoration-color: transparent;
    text-underline-offset: 4px;
    transition: all var(--transition-base);
}

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

.nav-link.active {
    color: var(--color-accent);
    text-decoration-color: var(--color-accent);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-gray-700);
    transition: all var(--transition-fast);
}

.nav-close {
    display: none;
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    padding: var(--space-sm);
    color: var(--color-gray-700);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-white);
        padding: var(--space-4xl) var(--space-xl);
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-base);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-lg);
    }
    
    .nav-link {
        font-size: 1.125rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-close {
        display: block;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-4xl) 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        var(--color-white) 0%,
        var(--color-lavender-light) 30%,
        var(--color-primary-extra-light) 70%,
        var(--color-lavender-bg) 100%
    );
}

/* Wavy shape like original site */
.hero-wave {
    position: absolute;
    right: 0;
    top: 0;
    width: 60%;
    height: 100%;
    background: var(--color-primary-light);
    opacity: 0.3;
    border-radius: 0 0 0 100%;
    transform: translateX(20%);
}

.hero-wave-2 {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 40%;
    height: 60%;
    background: var(--color-primary);
    opacity: 0.15;
    border-radius: 100% 0 0 0;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(139, 123, 199, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(107, 127, 215, 0.1) 0%, transparent 50%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.hero-text {
    max-width: 560px;
}

.hero-subtitle {
    display: inline-block;
    font-family: var(--font-script);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.3s;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    line-height: 1.15;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-xl);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.5s;
}

.hero-title .text-accent {
    font-family: var(--font-script);
    font-size: 1.1em;
    display: block;
    color: var(--color-primary);
}

.hero-description {
    font-size: 1.0625rem;
    color: var(--color-gray-700);
    margin-bottom: var(--space-2xl);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.7s;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.9s;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(139, 123, 199, 0.35);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 123, 199, 0.45);
}

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

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

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    opacity: 0;
    transform: translateX(40px);
    animation: fadeInRight 1s ease forwards;
    animation-delay: 0.6s;
}

.hero-image-container {
    position: relative;
}

.hero-image-frame {
    width: 380px;
    height: 480px;
    border-radius: 60% 40% 50% 50% / 50% 50% 50% 50%;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    padding: 5px;
    box-shadow: var(--shadow-glow);
    overflow: hidden;
}

.hero-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: inherit;
}

/* Floating Badges */
.floating-badge {
    position: absolute;
    background: var(--color-white);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    animation: float 3s ease-in-out infinite;
}

.badge-1 {
    top: 10%;
    left: -20%;
    animation-delay: 0s;
}

.badge-2 {
    bottom: 15%;
    right: -15%;
    animation-delay: 1.5s;
}

.badge-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

.badge-icon {
    font-size: 1.5rem;
}

.badge-text {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-primary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-arrow {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(10px); }
    60% { transform: translateY(5px); }
}

/* Hero Responsive */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        max-width: 100%;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-image-frame {
        width: 300px;
        height: 380px;
    }
    
    .floating-badge {
        display: none;
    }
    
    .hero-wave {
        width: 80%;
    }
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section-subtitle {
    display: inline-block;
    font-family: var(--font-script);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-lg);
}

.section-description {
    font-size: 1.0625rem;
    color: var(--color-gray-500);
}

/* ============================================
   VIDEO PRESENTATION SECTION
   ============================================ */
.presentation {
    padding: var(--space-4xl) 0;
    background: linear-gradient(180deg, var(--color-lavender-light) 0%, var(--color-white) 100%);
    position: relative;
}

.video-container {
    max-width: 900px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    background: var(--color-primary-dark);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to bottom, var(--color-lavender-light), transparent);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
    position: relative;
    z-index: 1;
}

.service-card {
    position: relative;
    padding: var(--space-2xl);
    background: var(--color-white);
    border: 1px solid var(--color-primary-extra-light);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-logo));
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.service-card:hover::before {
    opacity: 1;
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 500;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-md);
}

.service-description {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-lg);
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.service-features li {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-xs) var(--space-md);
    background: var(--color-primary-extra-light);
    color: var(--color-primary-dark);
    border-radius: var(--radius-full);
}

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

.service-link svg {
    transition: transform var(--transition-fast);
}

.service-link:hover svg {
    transform: translateX(4px);
}

@media (max-width: 968px) {
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
}

/* ============================================
   PREMIUM TECHNOLOGY SECTION
   ============================================ */
.tech {
    padding: var(--space-4xl) 0;
    background: var(--color-cream);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
}

.tech-card {
    padding: var(--space-2xl);
    background: var(--color-white);
    border: 1px solid var(--color-primary-extra-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.tech-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-light);
}

.tech-card-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.tech-card h3 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--color-primary-dark);
}

.tech-badge {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary-dark);
    background: var(--color-primary-extra-light);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
}

.tech-description {
    font-size: 0.95rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-lg);
}

.tech-features {
    display: grid;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.tech-features li {
    font-size: 0.95rem;
    color: var(--color-gray-700);
    position: relative;
    padding-left: 1rem;
}

.tech-features li::before {
    content: "\2022";
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.tech-note {
    font-size: 0.85rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-lg);
}

/* ============================================
   GALLERY SECTION
   ============================================ */
.gallery {
    padding: var(--space-4xl) 0;
    background: var(--color-lavender-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.gallery-item {
    display: block;
    cursor: zoom-in;
    width: 100%;
    padding: 0;
    border: none;
    background: none;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}


.gallery-item:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

/* ============================================
   METHOD SECTION
   ============================================ */
.method {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.method-card {
    padding: var(--space-xl);
    border: 1px solid var(--color-primary-extra-light);
    border-radius: var(--radius-lg);
    background: var(--color-cream);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.method-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-sm);
}

.method-card p {
    font-size: 0.95rem;
    color: var(--color-gray-500);
}

/* ============================================
   STORY SECTION
   ============================================ */
.story {
    position: relative;
    padding: var(--space-4xl) 0;
    background: var(--color-lavender-light);
    overflow: hidden;
}

.story-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.story-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 90% 10%, rgba(139, 123, 199, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 10% 90%, rgba(107, 127, 215, 0.1) 0%, transparent 40%);
}

.story-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-4xl);
    align-items: center;
}

.story-image {
    position: relative;
}

.story-image-frame {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.story-photo {
    width: 100%;
    height: auto;
    aspect-ratio: 2/3;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.story-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    opacity: 0.3;
}

.story-text .section-subtitle,
.story-text .section-title {
    text-align: left;
}

.story-paragraphs {
    margin-bottom: var(--space-2xl);
}

.story-paragraphs p {
    margin-bottom: var(--space-lg);
    font-size: 1.0625rem;
    color: var(--color-gray-700);
}

.story-paragraphs strong {
    color: var(--color-primary-dark);
}

.story-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.value-icon {
    font-size: 1.5rem;
}

.value-text {
    display: flex;
    flex-direction: column;
}

.value-text strong {
    font-size: 0.875rem;
    color: var(--color-primary-dark);
}

.value-text span {
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

@media (max-width: 968px) {
    .story-content {
        grid-template-columns: 1fr;
    }
    
    .story-image {
        max-width: 350px;
        margin: 0 auto;
    }
    
    .story-text .section-subtitle,
    .story-text .section-title {
        text-align: center;
    }
    
    .story-values {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}

/* ============================================
   CATALOG SECTION
   ============================================ */
.catalog {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.catalog-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.filter-btn {
    padding: var(--space-sm) var(--space-xl);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
    border: 2px solid var(--color-primary-extra-light);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--color-white);
    border-color: var(--color-primary);
    background: var(--color-primary);
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.catalog-item {
    background: var(--color-white);
    border: 1px solid var(--color-primary-extra-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.catalog-item.hidden {
    display: none;
}

.catalog-item-content {
    padding: var(--space-lg);
}

.catalog-item-content h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-sm);
}

.catalog-item-content p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-md);
}

.catalog-link {
    display: inline-flex;
    align-items: center;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

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

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    position: relative;
    padding: var(--space-4xl) 0;
    overflow: hidden;
}

.contact-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.contact-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        var(--color-primary-dark) 0%,
        var(--color-primary) 50%,
        var(--color-logo-dark) 100%
    );
}

.contact .container {
    position: relative;
    z-index: 1;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-info .section-subtitle {
    color: var(--color-primary-light);
}

.contact-info .section-title {
    color: var(--color-white);
}

.contact-description {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-2xl);
}

.contact-details {
    margin-bottom: var(--space-2xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-light);
    flex-shrink: 0;
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-text strong {
    font-size: 0.875rem;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.contact-text span,
.contact-text a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
}

.contact-text a:hover {
    color: var(--color-white);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: all var(--transition-base);
}

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

.contact-map {
    height: 400px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.map-container {
    width: 100%;
    height: 100%;
    background: var(--color-gray-200);
}

.map-container iframe {
    width: 100%;
    height: 100%;
}

@media (max-width: 968px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .contact-map {
        height: 300px;
    }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-primary-dark);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: inline-block;
    margin-bottom: var(--space-md);
    background: var(--color-white);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.footer-logo:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.footer-logo-image {
    height: 70px;
    width: auto;
    display: block;
}

.footer-tagline {
    font-family: var(--font-script);
    font-style: italic;
    color: rgba(255, 255, 255, 0.6);
}

.footer-links,
.footer-legal {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a,
.footer-legal a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-legal a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: var(--space-xl);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.5);
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .footer-links,
    .footer-legal {
        align-items: center;
    }
}

/* ============================================
   WHATSAPP FLOAT BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all var(--transition-base);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--color-white);
    color: var(--color-gray-700);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all var(--transition-base);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.animated,
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Ensure visibility after page load */
.services-grid .service-card,
.catalog-grid .catalog-item,
.story-content > div {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delay for children */
.services-grid .service-card:nth-child(1) { transition-delay: 0.1s; }
.services-grid .service-card:nth-child(2) { transition-delay: 0.2s; }
.services-grid .service-card:nth-child(3) { transition-delay: 0.3s; }

.catalog-grid .catalog-item:nth-child(1) { transition-delay: 0.05s; }
.catalog-grid .catalog-item:nth-child(2) { transition-delay: 0.1s; }
.catalog-grid .catalog-item:nth-child(3) { transition-delay: 0.15s; }
.catalog-grid .catalog-item:nth-child(4) { transition-delay: 0.2s; }
.catalog-grid .catalog-item:nth-child(5) { transition-delay: 0.25s; }
.catalog-grid .catalog-item:nth-child(6) { transition-delay: 0.3s; }

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */
@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.8125rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .whatsapp-float {
        width: 54px;
        height: 54px;
        bottom: var(--space-lg);
        right: var(--space-lg);
    }
}

@media (max-width: 968px) {
    .tech-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .method-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .gallery-grid { grid-template-columns: 1fr; }
    .method-grid { grid-template-columns: 1fr; }
}

/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 2000;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.lightbox img {
    max-width: min(92vw, 1100px);
    max-height: 85vh;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    font-size: 2rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.3);
}