:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-background: #ffffff;
    --color-background-alt: #f3f4f6;
    --spacing-unit: 1rem;
    --border-radius: 0.5rem;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-background);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-background);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.nav__menu {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav__menu a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.nav__toggle {
    display: none;
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    text-align: center;
    position: relative;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}

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

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

.btn--secondary {
    background-color: var(--color-background-alt);
    color: var(--color-text);
}

.btn--secondary:hover {
    background-color: #e5e7eb;
}

/* Services Section */
.services {
    padding: 4rem 0;
}

.services h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.service-card {
    padding: 3rem 2rem;
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 150px;
    height: 150px;
    margin: 0 auto 2rem;
}

.service-card h3 {
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
}

/* Tech Stack Section */
.tech {
    padding: 4rem 0;
    background-color: var(--color-background-alt);
}

.tech h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.tech__grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.tech__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 120px;
    text-align: center;
}

.tech__item img {
    width: 60px;
    height: 60px;
    margin-bottom: 1rem;
    object-fit: contain;
}

/* Cases Section */
.cases {
    padding: 4rem 0;
}

.cases h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.cases__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.case-card {
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.1);
}

.case-card__image {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: contain;
    background-color: #f5f5f5;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    padding: 1rem 0;
}

.case-card__content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.case-card h3 {
    margin-bottom: 0.5rem;
}

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

.case-card .btn {
    align-self: flex-start;
    margin-top: auto;
}

/* Contacts Section */
.contacts {
    padding: 4rem 0;
    background-color: var(--color-background-alt);
}

.contacts h2 {
    text-align: center;
    margin-bottom: 3rem;
}

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

.contacts__info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.contacts__link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links__item {
    color: var(--color-text);
    transition: var(--transition);
}

.social-links__item:hover {
    color: var(--color-primary);
}

/* Footer */
.footer {
    padding: 2rem 0;
    text-align: center;
    color: var(--color-text-light);
    background-color: var(--color-background);
    border-top: 1px solid #e5e7eb;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav__menu {
        display: none;
        position: absolute;
        top: 4rem;
        left: 0;
        right: 0;
        background-color: var(--color-background);
        padding: 1rem;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .nav__menu.active {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }

    .nav__toggle {
        display: block;
        background: none;
        border: none;
        cursor: pointer;
        padding: 0.5rem;
    }

    .nav__toggle span {
        display: block;
        width: 24px;
        height: 2px;
        background-color: var(--color-text);
        position: relative;
        transition: var(--transition);
    }

    .nav__toggle span::before,
    .nav__toggle span::after {
        content: '';
        position: absolute;
        width: 24px;
        height: 2px;
        background-color: var(--color-text);
        transition: var(--transition);
    }

    .nav__toggle span::before {
        top: -6px;
    }

    .nav__toggle span::after {
        bottom: -6px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero__subtitle {
        font-size: 1.125rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card,
.tech__item,
.case-card {
    animation: fadeIn 0.6s ease-out forwards;
}

.company-info {
    margin-top: 1rem;
    padding: 1.5rem;
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    text-align: center;
    width: 100%;
}

.company-info p {
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.company-info p:last-child {
    margin-bottom: 0;
}

/* Cookie Notice Popup */
.cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.95);
    color: white;
    padding: 1rem;
    transform: translateY(100%);
    transition: transform 0.3s ease-in-out;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.cookie-notice.show {
    transform: translateY(0);
}

.cookie-notice__content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.cookie-notice__text {
    flex: 1;
}

.cookie-notice__text p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

.cookie-notice__link {
    color: var(--color-primary);
    text-decoration: underline;
    transition: var(--transition);
}

.cookie-notice__link:hover {
    color: #60a5fa;
}

.cookie-notice__actions {
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
}

.btn--small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn--secondary {
    background-color: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn--secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Responsive styles for cookie notice */
@media (max-width: 768px) {
    .cookie-notice__content {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .cookie-notice__actions {
        justify-content: center;
    }
    
    .cookie-notice__text {
        text-align: center;
    }
}