/**
 * Kelių Milžinai — Design System
 * Premium one-pager for bulk cargo transportation company
 */

/* ========================================
   CSS Custom Properties (Design Tokens)
   ======================================== */
:root {
    /* Colors */
    --color-primary: #1a365d;
    --color-primary-light: #2a4a7f;
    --color-primary-dark: #0f2341;
    --color-accent: #f59e0b;
    --color-accent-light: #fbbf24;
    --color-accent-dark: #d97706;
    --color-dark: #0f172a;
    --color-dark-light: #1e293b;
    --color-light: #f8fafc;
    --color-light-dim: #f1f5f9;
    --color-gray: #64748b;
    --color-gray-light: #94a3b8;
    --color-gray-dark: #334155;
    --color-white: #ffffff;
    --color-success: #10b981;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    --spacing-5xl: 8rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 30px rgba(245, 158, 11, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Navigation height */
    --nav-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-gray-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

/* ========================================
   Layout
   ======================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-5xl) 0;
    position: relative;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: all var(--transition-base);
    padding: var(--spacing-sm) 0;
    height: 70px;
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    height: 100%;
}

.nav-logo img {
    height: 45px;
    width: auto;
    transition: height var(--transition-base);
    object-fit: contain;
}

.navbar.scrolled .nav-logo img {
    height: 38px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--font-size-sm);
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
    white-space: nowrap;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
    transition: transform var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 2px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 3px;
}

.lang-btn {
    padding: 4px 8px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    letter-spacing: 0.05em;
}

.lang-btn:hover {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.15);
}

.lang-btn.active {
    color: var(--color-primary-dark);
    background: var(--color-accent);
}

/* Phone CTA in Nav */
.nav-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-accent);
    color: var(--color-primary-dark);
    font-weight: 700;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.nav-cta:hover {
    background: var(--color-accent-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.phone-icon {
    width: 16px;
    height: 16px;
}

/* Hamburger Toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    position: relative;
    transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-fast);
}

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

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

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 12px 28px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    text-align: center;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-primary-dark);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: var(--font-size-lg);
}

.btn-full {
    width: 100%;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary-dark);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
    padding-top: var(--nav-height);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg,
            rgba(15, 23, 42, 0.6) 0%,
            rgba(26, 54, 93, 0.65) 50%,
            rgba(15, 23, 42, 0.92) 100%);
    z-index: 2;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
}

.hero-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
    opacity: 0;
    animation: particleFade 4s ease-in-out infinite;
}

@keyframes particleFade {

    0%,
    100% {
        opacity: 0;
        transform: translateY(0) scale(0.5);
    }

    50% {
        opacity: 0.6;
        transform: translateY(-40px) scale(1);
    }
}

.hero-content {
    position: relative;
    z-index: 4;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 8px 20px;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-full);
    color: var(--color-accent-light);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    backdrop-filter: blur(10px);
}

.hero-badge svg {
    color: var(--color-accent);
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.hero-title span {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-accent-light);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-desc {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.75);
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Hero Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
}

.scroll-arrow {
    width: 28px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 14px;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 10px;
    background: var(--color-accent);
    border-radius: 2px;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {

    0%,
    100% {
        top: 8px;
        opacity: 1;
    }

    50% {
        top: 22px;
        opacity: 0.3;
    }
}

/* ========================================
   Section Headers
   ======================================== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-accent-dark);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-md);
    position: relative;
    padding: 0 var(--spacing-lg);
}

.section-tag::before,
.section-tag::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 20px;
    height: 2px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
}

.section-tag::before {
    left: -8px;
}

.section-tag::after {
    right: -8px;
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-title.text-left {
    text-align: left;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray);
    line-height: 1.7;
}

/* ========================================
   Services Section
   ======================================== */
.services {
    background: var(--color-light);
}

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

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-slow);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

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

.service-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.service-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.service-card-content {
    padding: var(--spacing-xl);
}

.service-icon {
    width: 56px;
    height: 56px;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent-dark);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.service-desc {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    line-height: 1.7;
}

/* ========================================
   Work Areas Section
   ======================================== */
.work-areas {
    background: var(--color-white);
}

.work-areas-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-lg);
}

.area-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: var(--color-light);
    border-radius: var(--radius-xl);
    transition: all var(--transition-slow);
    border: 1px solid transparent;
}

.area-card:hover {
    background: var(--color-white);
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.area-icon {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    transition: color var(--transition-fast);
}

.area-card:hover .area-icon {
    color: var(--color-accent-dark);
}

.area-icon svg {
    width: 100%;
    height: 100%;
}

.area-name {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.area-desc {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
}

/* ========================================
   Why Choose Us Section
   ======================================== */
.why-us {
    background: var(--color-primary);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.why-us::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('/images/savivartis-man-miesto-aplinkos-tvarkymas.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.08;
}

.why-us .section-tag {
    color: var(--color-accent-light);
}

.why-us .section-tag::before,
.why-us .section-tag::after {
    background: var(--color-accent-light);
}

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

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

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.advantage-card {
    padding: var(--spacing-2xl);
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-slow);
}

.advantage-card:hover {
    background: rgba(255, 255, 255, 0.14);
    transform: translateY(-4px);
    border-color: rgba(245, 158, 11, 0.3);
}

.advantage-icon {
    width: 48px;
    height: 48px;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.advantage-icon svg {
    width: 100%;
    height: 100%;
}

.advantage-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.advantage-desc {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.6;
}

/* ========================================
   About Section
   ======================================== */
.about {
    background: var(--color-light);
}

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

.about-images {
    position: relative;
}

.about-image-main {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.about-image-main img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-image-accent {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 200px;
    height: 200px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 6px solid var(--color-light);
    box-shadow: var(--shadow-xl);
}

.about-image-accent img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-experience-badge {
    position: absolute;
    top: -20px;
    left: -20px;
    background: var(--color-accent);
    color: var(--color-primary-dark);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-width: 100px;
}

.badge-icon {
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

.badge-text {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    line-height: 1;
}

.badge-label {
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.about-content .section-tag {
    text-align: left;
    display: inline-block;
}

.about-text {
    font-size: var(--font-size-base);
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.about-text.highlight {
    font-weight: 600;
    color: var(--color-primary);
    padding-left: var(--spacing-lg);
    border-left: 3px solid var(--color-accent);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    position: relative;
    background: var(--color-dark);
    color: var(--color-white);
    overflow: hidden;
}

.contact-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('/images/savivartis-keliu-tiesimo-darbai.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-4xl);
    align-items: start;
    position: relative;
    z-index: 2;
}

.contact .section-tag {
    color: var(--color-accent-light);
}

.contact .section-tag::before,
.contact .section-tag::after {
    background: var(--color-accent-light);
}

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

.contact-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-2xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.contact-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(245, 158, 11, 0.15);
    border-radius: var(--radius-lg);
    color: var(--color-accent);
}

.contact-icon svg {
    width: 20px;
    height: 20px;
}

.contact-label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 2px;
}

.contact-value {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-white);
}

a.contact-value:hover {
    color: var(--color-accent-light);
}

/* Contact Form Card */
.contact-form-card {
    position: relative;
}

.form-card-inner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-2xl);
}

.form-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.form-subtitle {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    outline: none;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.45);
}

.form-input:focus {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.form-input.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

#formSubmit {
    margin-top: var(--spacing-sm);
    position: relative;
}

#formSubmit .btn-icon {
    transition: opacity 0.3s ease;
}

#formSubmit.loading .btn-icon,
#formSubmit.loading .btn-text {
    opacity: 0;
}

#formSubmit.loading .btn-spinner {
    display: flex !important;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.form-message {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    animation: fadeInUp 0.4s ease;
}

.form-message.success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #86efac;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--spacing-3xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: var(--spacing-xl);
}

.footer-logo img {
    height: 40px;
    width: auto;
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
    max-width: 280px;
}

.footer-heading {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--color-accent-light);
    transform: translateX(4px);
}

.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
}

.footer-contact li svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.5);
}

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

.footer-bottom {
    text-align: center;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.35);
}

/* ========================================
   Scroll Reveal Animations
   ======================================== */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: var(--delay, 0ms);
}

.reveal-up.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive Design
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
    .work-areas-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .about-grid {
        gap: var(--spacing-2xl);
    }

    .contact-grid {
        gap: var(--spacing-2xl);
    }

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

/* Tablet Small */
@media (max-width: 768px) {
    :root {
        --nav-height: 70px;
    }

    /* Mobile Navigation */
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 360px;
        height: 100vh;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px var(--spacing-2xl) var(--spacing-2xl);
        transition: right var(--transition-slow);
        box-shadow: -20px 0 60px rgba(0, 0, 0, 0.3);
        overflow-y: auto;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-links {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 0;
    }

    .nav-link {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-md);
        font-size: var(--font-size-lg);
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .lang-switcher {
        margin-top: var(--spacing-lg);
    }

    .nav-cta {
        margin-top: var(--spacing-lg);
        width: 100%;
        justify-content: center;
    }

    /* Hero Mobile */
    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-desc {
        font-size: var(--font-size-base);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 320px;
    }

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

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .work-areas-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .advantages-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .about-image-accent {
        width: 140px;
        height: 140px;
        bottom: -20px;
        right: -10px;
    }

    .about-experience-badge {
        top: -10px;
        left: -10px;
        padding: var(--spacing-md);
    }

    .badge-text {
        font-size: var(--font-size-3xl);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

/* Mobile Small */
@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .work-areas-grid {
        grid-template-columns: 1fr;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .advantage-card {
        padding: var(--spacing-xl);
    }

    .form-card-inner {
        padding: var(--spacing-xl);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }
}

/* ========================================
   Utility: Mobile Overlay
   ======================================== */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-slow);
}

.mobile-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* ========================================
   Print Styles
   ======================================== */
@media print {

    .navbar,
    .hero-scroll-indicator,
    .nav-toggle,
    .hero-particles {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-2xl) 0;
    }

    .section {
        padding: var(--spacing-xl) 0;
    }

    body {
        color: #000;
        background: #fff;
    }
}