/* =====================================================
   T4S - Website Styles
   Colors from logo: Red (#C8102E), Dark Blue (#263238), Light Blue (#2196F3)
   Swiss cross: Red with white cross
   ===================================================== */

/* CSS Variables */
:root {
    /* Primary Colors from Logo */
    --color-red: #C8102E;
    --color-red-dark: #A00D24;
    --color-red-light: #E8354F;
    
    --color-blue-dark: #37474F;
    --color-blue-darker: #263238;
    --color-blue-light: #546E7A;
    
    --color-accent: #2196F3;
    --color-accent-light: #64B5F6;
    --color-accent-dark: #1976D2;
    
    /* Neutrals - Improved for WCAG AA contrast */
    --color-white: #FFFFFF;
    --color-gray-50: #FAFAFA;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #E8E8E8;
    --color-gray-300: #D4D4D4;
    --color-gray-400: #A3A3A3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-dark) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    --gradient-dark: linear-gradient(135deg, var(--color-blue-dark) 0%, var(--color-blue-darker) 100%);
    --gradient-hero: linear-gradient(135deg, var(--color-blue-darker) 0%, var(--color-blue-dark) 50%, var(--color-red-dark) 100%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --line-height-base: 1.7;
    --line-height-tight: 1.2;
    --line-height-relaxed: 1.8;
    
    /* Spacing System - 8px base */
    --space-2xs: 4px;
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 80px;
    --section-padding: 100px;
    --container-width: 1200px;
    
    /* Shadows - Refined, consistent system */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12), 0 8px 16px rgba(0, 0, 0, 0.06);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-button: 0 2px 8px rgba(200, 16, 46, 0.2);
    --shadow-button-hover: 0 4px 16px rgba(200, 16, 46, 0.3);
    
    /* Border Radius - Unified 3-level system */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-full: 9999px;
    
    /* Transitions - Unified easing */
    --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-in-out: cubic-bezier(0.645, 0.045, 0.355, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast: 0.15s var(--ease-out);
    --transition-normal: 0.25s var(--ease-out);
    --transition-slow: 0.4s var(--ease-out);
    
    /* Opacity - Standardized */
    --opacity-muted: 0.5;
    --opacity-secondary: 0.7;
    --opacity-primary: 1;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

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

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

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

ul {
    list-style: none;
}

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

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

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

/* =====================================================
   NAVBAR
   ===================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.nav-logo img {
    height: 56px;
    width: auto;
    transition: height var(--transition-normal);
}

.navbar.scrolled .nav-logo img {
    height: 44px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 20px;
    font-weight: 500;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.navbar.scrolled .nav-link {
    color: var(--color-gray-700);
}

.nav-link:hover,
.nav-link:focus-visible {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.nav-link:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.navbar.scrolled .nav-link:hover {
    background: var(--color-gray-100);
    color: var(--color-blue-darker);
}

.nav-cta {
    background: var(--color-red);
    color: var(--color-white) !important;
    box-shadow: var(--shadow-button);
}

.nav-cta:hover {
    background: var(--color-red-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-button-hover);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-normal);
}

.navbar.scrolled .hamburger span {
    background: var(--color-blue-darker);
}

/* Language Selector */
.lang-selector {
    position: relative;
    margin-left: 16px;
}

.lang-current {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.navbar.scrolled .lang-current {
    background: var(--color-gray-100);
    border-color: var(--color-gray-200);
    color: var(--color-blue-darker);
}

.lang-current:hover,
.lang-current.active {
    background: rgba(255, 255, 255, 0.2);
}

.navbar.scrolled .lang-current:hover,
.navbar.scrolled .lang-current.active {
    background: var(--color-gray-200);
}

.lang-current svg {
    transition: transform var(--transition-normal);
}

.lang-current.active svg {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-normal);
    z-index: 1000;
    overflow: hidden;
}

.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 16px;
    background: none;
    border: none;
    color: var(--color-gray-700);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: left;
}

.lang-option:hover {
    background: var(--color-gray-100);
    color: var(--color-blue-darker);
}

.lang-option.active {
    background: var(--color-gray-100);
    color: var(--color-red);
}

.lang-option .lang-flag {
    font-weight: 700;
    font-size: 0.8rem;
    padding: 2px 6px;
    background: var(--color-gray-200);
    border-radius: var(--radius-sm);
    color: var(--color-gray-700);
}

.lang-option.active .lang-flag {
    background: var(--color-red);
    color: var(--color-white);
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

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

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero-particles {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.04) 2px, transparent 2px);
    background-size: 120px 120px, 180px 180px, 240px 240px;
    animation: particles 30s linear infinite;
}

@keyframes particles {
    0% { transform: translateY(0); }
    100% { transform: translateY(-120px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: 0 var(--space-md);
}

/* T4S Brand Tagline Animation */
.brand-tagline {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--space-lg);
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.75rem, 5.5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    animation: fadeInDown 0.6s var(--ease-out) 0.2s both;
}

@keyframes fadeInDown {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.tagline-text {
    background: linear-gradient(
        90deg, 
        var(--color-red) 0%, 
        var(--color-red) 45%, 
        #64B5F6 55%, 
        #2196F3 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.tagline-cursor {
    display: inline-block;
    width: 3px;
    height: 1em;
    background: var(--color-accent);
    margin-left: 4px;
    animation: blink 1s step-end infinite;
    vertical-align: middle;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Hero Badge - Trust Signal */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.6s var(--ease-out) 0.2s both;
}

.badge-icon {
    color: var(--color-accent-light);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: var(--space-md);
    color: var(--color-white);
    letter-spacing: -0.025em;
    animation: fadeInUp 0.6s var(--ease-out) 0.3s both;
}

.hero-line {
    display: block;
}

.hero-highlight {
    color: rgba(255, 255, 255, var(--opacity-secondary));
    font-weight: 500;
}

/* Keep gradient-text for backwards compatibility */
.gradient-text {
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-white) 50%, var(--color-red-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.0625rem, 1.6vw, 1.1875rem);
    color: rgba(255, 255, 255, var(--opacity-secondary));
    max-width: 520px;
    margin: 0 auto var(--space-lg);
    line-height: 1.7;
    animation: fadeInUp 0.6s var(--ease-out) 0.4s both;
}

.hero-cta {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
    animation: fadeInUp 0.6s var(--ease-out) 0.5s both;
}

/* Hero Primary Button - More prominent */
.btn-hero {
    padding: 16px 32px;
    font-size: 1rem;
    box-shadow: 0 4px 20px rgba(200, 16, 46, 0.35);
}

.btn-hero:hover {
    box-shadow: 0 8px 32px rgba(200, 16, 46, 0.45);
    transform: translateY(-3px);
}

/* Hero Note - Reduces friction */
.hero-note {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, var(--opacity-muted));
    margin: 0;
    animation: fadeInUp 0.6s var(--ease-out) 0.6s both;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 14px 28px;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    position: relative;
}

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

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

.btn:hover svg {
    transform: translateX(3px);
}

.btn-primary {
    background: var(--color-red);
    color: var(--color-white);
    box-shadow: var(--shadow-button);
}

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

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-button);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
}

.btn-secondary:active {
    transform: translateY(0);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, var(--opacity-secondary));
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    animation: fadeInUp 0.6s var(--ease-out) 0.8s both;
}

.scroll-indicator {
    width: 22px;
    height: 36px;
    border: 1.5px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-xl);
    position: relative;
}

.scroll-indicator::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 6px;
    background: rgba(255, 255, 255, var(--opacity-secondary));
    border-radius: var(--radius-full);
    animation: scrollPulse 2s var(--ease-in-out) infinite;
}

@keyframes scrollPulse {
    0%, 100% { 
        opacity: 1; 
        transform: translateX(-50%) translateY(0); 
    }
    50% { 
        opacity: 0.3; 
        transform: translateX(-50%) translateY(10px); 
    }
}

/* =====================================================
   SECTION COMMON STYLES
   ===================================================== */
section {
    padding: var(--section-padding) 0;
}

.section-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(200, 16, 46, 0.08);
    color: var(--color-red);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.section-title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-sm);
    line-height: var(--line-height-tight);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-500);
    max-width: 580px;
    line-height: var(--line-height-relaxed);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-header .section-subtitle {
    margin: 0 auto;
}

/* =====================================================
   ABOUT SECTION
   ===================================================== */
.about {
    background: var(--color-gray-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-2xl);
    align-items: center;
}

.about-text {
    font-size: 1.0625rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-sm);
    line-height: var(--line-height-relaxed);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-gray-200);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-red);
    display: inline;
    letter-spacing: -0.02em;
}

.stat-suffix {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-red);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-top: var(--space-xs);
}

/* Visual Card */
.about-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    background: var(--gradient-dark);
    padding: var(--space-xl) var(--space-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    color: var(--color-white);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.visual-card:hover {
    transform: translateY(-4px);
}

.visual-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(200, 16, 46, 0.2) 0%, transparent 70%);
}

.visual-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal), background var(--transition-normal);
}

.visual-card:hover .visual-icon {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.15);
}

.visual-icon svg {
    width: 40px;
    height: 40px;
}

.visual-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.visual-card p {
    color: rgba(255, 255, 255, var(--opacity-secondary));
}

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

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

.service-card {
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--color-gray-100);
}

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

/* Service Header */
.service-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 20px;
}

.service-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-dark) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal);
}

.service-card:hover .service-icon {
    transform: scale(1.05);
}

.service-icon svg {
    width: 26px;
    height: 26px;
    stroke: var(--color-white);
}

.service-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-300);
    line-height: 1;
    transition: color var(--transition-normal);
}

.service-card:hover .service-number {
    color: var(--color-red-light);
}

.service-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-xs);
    line-height: var(--line-height-tight);
}

.service-card p {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-md);
}

/* Service Tech Tags */
.service-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 20px;
    border-top: 1px solid var(--color-gray-200);
}

.tech-tag {
    padding: 6px 12px;
    background: var(--color-gray-100);
    border-radius: var(--radius-sm);
    color: var(--color-gray-600);
    font-size: 0.8rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.tech-tag.primary {
    background: var(--color-blue-darker);
    color: var(--color-white);
    font-weight: 600;
}

.service-card:hover .tech-tag {
    background: var(--color-gray-200);
}

.service-card:hover .tech-tag.primary {
    background: var(--color-red);
}

/* =====================================================
   PRODUCTS SECTION
   ===================================================== */
.products {
    background: var(--color-blue-darker);
}

.products .section-tag {
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.2) 0%, rgba(33, 150, 243, 0.2) 100%);
    color: var(--color-accent-light);
}

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

.products .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.product-showcase {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.product-intro {
    margin-bottom: 24px;
}

.product-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    color: var(--color-accent-light);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.product-main {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 16px;
}

.product-logo {
    height: 60px;
    width: auto;
}

.product-name {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-white);
    margin: 0;
}

.product-tagline {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, var(--opacity-secondary));
    margin-bottom: var(--space-md);
}

.product-highlights {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
    color: rgba(255, 255, 255, var(--opacity-secondary));
    font-size: 0.95rem;
}

.product-highlights .dot {
    width: 4px;
    height: 4px;
    background: var(--color-red);
    border-radius: var(--radius-full);
}

.product-showcase .btn-primary {
    background: var(--color-white);
    color: var(--color-blue-darker);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.product-showcase .btn-primary:hover {
    background: var(--color-gray-50);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* =====================================================
   PARTNERS BANNER
   ===================================================== */
.partners-banner {
    background: var(--color-blue-darker);
    padding: var(--space-xl) 0;
    position: relative;
    overflow: hidden;
}

.partners-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, var(--color-red) 0%, transparent 20%, transparent 80%, var(--color-red) 100%);
    opacity: 0.1;
    pointer-events: none;
}

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

.partners-label {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, var(--opacity-muted));
    margin-bottom: var(--space-lg);
}

.partners-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.partner-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 36px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.partner-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.partner-logo {
    height: 40px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    opacity: 0.9;
    transition: all var(--transition-normal);
}

.partner-item:hover .partner-logo {
    opacity: 1;
    filter: brightness(0) invert(1) drop-shadow(0 0 8px rgba(255,255,255,0.3));
}

.partner-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.partner-name {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-white);
    letter-spacing: 0.5px;
}

.partner-badge {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-red-light);
}

/* =====================================================
   CONTACT SECTION
   ===================================================== */
.contact {
    background: var(--color-gray-50);
}

/* Contact Cards Grid */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.contact-card {
    display: block;
    background: var(--color-white);
    padding: var(--space-lg) var(--space-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-card);
    text-align: center;
    transition: all var(--transition-normal);
    text-decoration: none;
    color: inherit;
}

.contact-card:hover {
    box-shadow: var(--shadow-card-hover);
    border-color: var(--color-gray-100);
}

.contact-card-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto var(--space-sm);
    background: rgba(200, 16, 46, 0.08);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-card-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-red);
}

.contact-card-icon-wa {
    background: rgba(37, 211, 102, 0.1);
}

.contact-card-icon-wa svg {
    fill: #25D366;
    stroke: none;
}

.contact-card h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-sm);
}

.contact-card-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: var(--space-xs);
}

.contact-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.9375rem;
    color: var(--color-white);
    font-weight: 600;
    padding: 10px 16px;
    border-radius: var(--radius-md);
    background: var(--color-red);
    box-shadow: var(--shadow-button);
    transition: all var(--transition-normal);
}

.contact-link:hover {
    background: var(--color-red-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-button-hover);
}

.contact-card-wa .contact-link {
    background: #25D366;
    box-shadow: 0 2px 8px rgba(37, 211, 102, 0.25);
}

.contact-card-wa .contact-link:hover {
    background: #1DA851;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
}

.contact-card-hint {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-gray-400);
    margin-top: var(--space-xs);
}

/* Section CTA - Call to Action blocks */
.section-cta {
    text-align: center;
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-gray-200);
}

.cta-text {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

.section-cta .btn {
    margin-bottom: var(--space-xs);
}

.cta-note {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-top: var(--space-sm);
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    background: var(--color-blue-darker);
    color: var(--color-white);
    padding: 80px 0 30px;
}

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

.footer-brand p {
    color: rgba(255, 255, 255, var(--opacity-secondary));
    margin-top: var(--space-sm);
    max-width: 300px;
    line-height: var(--line-height-relaxed);
}

.footer-logo {
    display: inline-block;
}

.footer-logo img {
    height: 56px;
    width: auto;
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-white);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, var(--opacity-secondary));
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover,
.footer-links a:focus-visible {
    color: var(--color-white);
    transform: translateX(2px);
}

.footer-links a:focus-visible {
    outline: 1px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, var(--opacity-muted));
    font-size: 0.875rem;
}

.footer-vat {
    margin-top: var(--space-xs);
    font-size: 0.8125rem;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.4);
}

/* =====================================================
   ANIMATIONS - Reveal on Scroll
   ===================================================== */

/* Base reveal - from bottom */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

/* Reveal from left */
.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

/* Reveal from right */
.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

/* Reveal with scale */
.reveal-scale {
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Reveal fade only (no movement) */
.reveal-fade {
    opacity: 0;
    transition: opacity 0.8s var(--ease-out);
}

.reveal-fade.active {
    opacity: 1;
}

/* Reveal with rotation */
.reveal-rotate {
    opacity: 0;
    transform: translateY(30px) rotate(-3deg);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

/* Delay utilities for staggered animations */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.15s; }
.delay-3 { transition-delay: 0.2s; }
.delay-4 { transition-delay: 0.25s; }
.delay-5 { transition-delay: 0.3s; }
.delay-6 { transition-delay: 0.35s; }

/* Staggered animation for cards - smoother timing */
.services-grid .service-card:nth-child(1) { transition-delay: 0.05s; }
.services-grid .service-card:nth-child(2) { transition-delay: 0.1s; }
.services-grid .service-card:nth-child(3) { transition-delay: 0.15s; }
.services-grid .service-card:nth-child(4) { transition-delay: 0.2s; }
.services-grid .service-card:nth-child(5) { transition-delay: 0.25s; }
.services-grid .service-card:nth-child(6) { transition-delay: 0.3s; }

/* Partners stagger */
.partners-grid .partner-item:nth-child(1) { transition-delay: 0.05s; }
.partners-grid .partner-item:nth-child(2) { transition-delay: 0.1s; }
.partners-grid .partner-item:nth-child(3) { transition-delay: 0.15s; }

/* Stats stagger */
.about-stats .stat:nth-child(1) { transition-delay: 0.1s; }
.about-stats .stat:nth-child(2) { transition-delay: 0.2s; }
.about-stats .stat:nth-child(3) { transition-delay: 0.3s; }

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .contact-cards {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }
    
    .product-name {
        font-size: 2.25rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 64px;
    }
    
    html {
        font-size: 15px;
    }
    
    .container {
        padding: 0 20px;
    }
    
    /* Mobile Navigation */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-blue-darker);
        flex-direction: column;
        justify-content: center;
        gap: var(--space-xs);
        padding: var(--space-lg);
        transition: right var(--transition-normal);
        box-shadow: var(--shadow-xl);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        color: var(--color-white);
        padding: 14px 20px;
        width: 100%;
        text-align: center;
        font-size: 1rem;
    }
    
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    
    .lang-selector {
        position: absolute;
        right: 56px;
        top: 50%;
        transform: translateY(-50%);
    }
    
    .lang-current {
        padding: 6px 10px;
        font-size: 0.75rem;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    /* Mobile Hero */
    .hero {
        padding-top: 70px;
    }
    
    .brand-tagline {
        font-size: 1.5rem;
    }
    
    .nav-logo img {
        height: 44px;
    }
    
    .navbar.scrolled .nav-logo img {
        height: 38px;
    }
    
    .hero-badge {
        padding: 8px 16px;
        font-size: 0.75rem;
        margin-bottom: var(--space-md);
    }
    
    .hero-title {
        font-size: 1.875rem;
    }
    
    .hero-subtitle {
        font-size: 0.9375rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-sm);
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    .btn-hero {
        padding: 14px 24px;
    }
    
    .hero-note {
        font-size: 0.75rem;
    }
    
    /* Mobile Services */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: var(--space-md);
    }
    
    .section-header {
        margin-bottom: var(--space-lg);
    }
    
    /* Mobile Products */
    .product-main {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .product-name {
        font-size: 1.75rem;
    }
    
    .product-highlights {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .product-highlights .dot {
        display: none;
    }
    
    /* Mobile Partners */
    .partners-grid {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .partner-item {
        padding: var(--space-sm) var(--space-md);
        width: 100%;
        justify-content: center;
    }
    
    /* Mobile About */
    .about-stats {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-md);
    }
    
    .about-visual {
        order: -1;
    }
    
    .visual-card {
        padding: var(--space-lg);
    }
    
    /* Mobile Contact */
    .contact-cards {
        grid-template-columns: 1fr;
    }
    
    .contact-card {
        padding: var(--space-md);
    }
    
    .section-cta {
        margin-top: var(--space-lg);
        padding-top: var(--space-lg);
    }
    
    .cta-text {
        font-size: 1rem;
    }
    
    /* Mobile Footer */
    .footer {
        padding: var(--space-xl) 0 var(--space-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 48px;
    }
    
    .brand-tagline {
        font-size: 1.1rem;
        margin-bottom: var(--space-md);
        letter-spacing: 0.02em;
    }
    
    .tagline-cursor {
        width: 2px;
    }
    
    .hero-badge {
        padding: 6px 12px;
        font-size: 0.6875rem;
    }
    
    .hero-title {
        font-size: 1.625rem;
    }
    
    .hero-highlight {
        font-size: 0.95em;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .stat-suffix {
        font-size: 1.25rem;
    }
    
    .nav-logo img {
        height: 40px;
    }
    
    .navbar.scrolled .nav-logo img {
        height: 34px;
    }
}

/* =====================================================
   UTILITY CLASSES
   ===================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mt-5 { margin-top: var(--space-xl); }

.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-5 { margin-bottom: var(--space-xl); }

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