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

:root {
    --color-primary: #0a0a0a;
    --color-secondary: #f8f8f8;
    --color-accent: #0066ff;
    --color-text: #1a1a1a;
    --color-text-light: #666666;
    --color-white: #ffffff;
    --color-dark: #0a0a0a;
    --spacing-unit: 1rem;
    --panel-gap: 1.5rem;
    --panel-border-radius: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-secondary);
    overflow-x: hidden;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(248, 248, 248, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1.5rem 2rem;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.nav {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 400;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav a:hover {
    color: var(--color-accent);
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

.nav a:hover::after {
    width: 100%;
}

/* CV Download Button */
.cv-download {
    position: relative;
}

.cv-button {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cv-button:hover {
    background-color: var(--color-accent);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.cv-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background-color: var(--color-white);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    overflow: hidden;
}

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

.cv-link {
    display: block;
    padding: 0.75rem 1.2rem;
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.9rem;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.cv-link:last-child {
    border-bottom: none;
}

.cv-link:hover {
    background-color: var(--color-secondary);
    color: var(--color-accent);
}

/* LinkedIn Link */
.linkedin-link {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.3s ease;
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.linkedin-link:hover {
    color: var(--color-accent);
    background-color: rgba(0, 102, 255, 0.1);
}

.linkedin-link svg {
    width: 20px;
    height: 20px;
}

/* HERA Header */
.hera-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.hera-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hera-description {
    font-size: 1.05rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.app-store-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.app-store-button:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.3);
}

.app-store-button svg {
    width: 18px;
    height: 18px;
}

/* Dashboard Grid */
.dashboard {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: auto auto auto;
    gap: 1rem;
}

.dashboard-panel {
    background-color: var(--color-white);
    border-radius: var(--panel-border-radius);
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    position: relative;
}

.dashboard-panel:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* Hero Panel */
.hero-panel {
    grid-column: 1 / 13;
    grid-row: 1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--color-white);
    display: flex;
    align-items: center;
    padding: 2.5rem;
    min-height: 200px;
}

.hero-content {
    z-index: 1;
    width: 100%;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0;
    line-height: 1.1;
    letter-spacing: -0.03em;
    word-wrap: break-word;
}

/* Tabs Panel */
.tabs-panel {
    grid-column: 1 / 13;
    grid-row: 2;
    padding: 0;
    background-color: var(--color-white);
}

.tabs-container {
    width: 100%;
}

.tabs-header {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--color-secondary);
    background-color: var(--color-secondary);
}

.tab-btn {
    flex: 1;
    padding: 1.5rem 2rem;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
    position: relative;
}

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

.tab-btn.active {
    background-color: var(--color-white);
    border-bottom-color: var(--color-accent);
}

.tab-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.7;
    font-weight: 500;
}

.tab-btn.active .tab-label {
    opacity: 1;
    color: var(--color-accent);
}

.tab-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.tab-btn.active .tab-title {
    color: var(--color-primary);
}

.tab-content {
    display: none;
    padding: 2rem;
    min-height: 500px;
}

.tab-content.active {
    display: block;
}

.tab-content-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 400px;
    text-align: center;
}

/* Estimator Content */
.estimator-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: center;
    text-align: left;
    max-width: 1000px;
    margin: 0 auto;
}

.estimator-visual {
    background: transparent;
    border-radius: 20px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    overflow: hidden;
    aspect-ratio: 1;
}

.estimator-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    transition: transform 0.3s ease;
}

.estimator-screenshot:hover {
    transform: scale(1.02);
}

.estimator-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.estimator-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
    letter-spacing: -0.02em;
}

.tab-description {
    font-size: 1.05rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin: 0;
}

.estimator-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 0.5rem 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--color-text);
}

.feature-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
    font-size: 0.85rem;
}

.tab-button {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--color-white);
    padding: 1rem 2rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    align-self: flex-start;
}

.tab-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* Carousel Styles */
.carousel-wrapper {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 6rem;
}

.carousel-container {
    overflow: visible;
    border-radius: 16px;
    background: transparent;
    padding: 0;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 1rem;
    align-items: center;
}

.carousel-slide {
    min-width: 70%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    opacity: 0.4;
    transition: opacity 0.5s ease, transform 0.5s ease;
    transform: scale(0.9);
}

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

.carousel-image {
    max-width: 100%;
    max-height: 600px;
    height: auto;
    width: auto;
    object-fit: contain;
    display: block;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.carousel-image:hover {
    transform: scale(1.02);
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.carousel-nav:hover {
    background: var(--color-white);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.carousel-nav-prev {
    left: 0;
}

.carousel-nav-next {
    right: 0;
}

.carousel-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.carousel-nav:disabled:hover {
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.carousel-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.carousel-indicator.active {
    background: var(--color-accent);
    width: 30px;
    border-radius: 5px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--color-white);
    font-size: 2.5rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
    z-index: 1002;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--color-white);
    font-size: 3rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
    z-index: 1002;
}

.modal-nav:hover {
    background: rgba(255, 255, 255, 0.3);
}

.modal-nav-prev {
    left: -80px;
}

.modal-nav-next {
    right: -80px;
}

.panel-content {
    width: 100%;
}

.panel-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.8;
    margin-bottom: 0.5rem;
    font-weight: 500;
    word-wrap: break-word;
}

.panel-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    word-wrap: break-word;
}

.panel-description {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    word-wrap: break-word;
}

.panel-button {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: var(--color-white);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.3s ease, transform 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.panel-button:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: translateX(4px);
}

/* Companies Panel */
.companies-panel {
    grid-column: 1 / 13;
    grid-row: 3;
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    color: var(--color-white);
    padding: 2rem;
}

.companies-panel .panel-title {
    margin-bottom: 2rem;
    word-wrap: break-word;
}

.companies-slider-wrapper {
    overflow: hidden;
    margin-top: 2rem;
    position: relative;
}

.companies-slider {
    width: 100%;
    overflow: hidden;
}

.companies-track {
    display: flex;
    gap: 3rem;
    animation: scroll 30s linear infinite;
    width: fit-content;
    will-change: transform;
}

.companies-track:hover {
    animation-play-state: paused;
}

.company-logo {
    flex-shrink: 0;
    width: 140px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 1rem;
    opacity: 0.9;
    transition: opacity 0.3s ease, transform 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.company-logo:hover {
    opacity: 1;
    transform: scale(1.1);
}

.company-logo a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    text-decoration: none;
}

.company-logo img {
    height: 100%;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    display: block;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-50% - 1.5rem));
    }
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
}

.footer p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1200px) {
    .dashboard {
        grid-template-columns: repeat(8, 1fr);
    }

    .hero-panel {
        grid-column: 1 / 9;
    }

    .tabs-panel {
        grid-column: 1 / 9;
    }

    .companies-panel {
        grid-column: 1 / 9;
    }
}

@media (max-width: 768px) {
    .dashboard {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        padding: 0 1rem;
    }

    .hero-panel,
    .tabs-panel,
    .companies-panel {
        grid-column: 1;
        grid-row: auto;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .nav {
        gap: 1.5rem;
    }

    .tabs-header {
        flex-direction: column;
    }

    .tab-content {
        min-height: 400px;
        padding: 1.5rem;
    }

    .estimator-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .estimator-visual {
        min-height: 200px;
        padding: 2rem;
    }

    .estimator-icon {
        font-size: 3rem;
    }

    .tab-button {
        align-self: center;
    }

    .carousel-wrapper {
        padding: 1.5rem 3rem;
    }

    .carousel-image {
        max-height: 500px;
    }

    .carousel-nav {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .modal-nav-prev {
        left: 10px;
    }

    .modal-nav-next {
        right: 10px;
    }

    .modal-close {
        top: 10px;
        right: 10px;
    }
}

/* Responsive */
@media (max-width: 1200px) {
    .dashboard {
        grid-template-columns: repeat(8, 1fr);
        grid-template-rows: auto auto auto auto auto;
    }

    .hero-panel {
        grid-column: 1 / 5;
        grid-row: 1;
    }

    .estimator-panel {
        grid-column: 5 / 9;
        grid-row: 1;
    }

    .screenshot-featured {
        grid-column: 1 / 5;
        grid-row: 2;
    }

    .screenshot-secondary:nth-of-type(1) {
        grid-column: 5 / 7;
        grid-row: 2;
    }

    .screenshot-secondary:nth-of-type(2) {
        grid-column: 7 / 9;
        grid-row: 2;
    }

    .visuals-header {
        grid-column: 1 / 4;
        grid-row: 3;
    }

    .visual-item:nth-of-type(1) {
        grid-column: 4 / 6;
        grid-row: 3;
    }

    .visual-item:nth-of-type(2) {
        grid-column: 6 / 8;
        grid-row: 3;
    }

    .visual-item:nth-of-type(3) {
        grid-column: 1 / 3;
        grid-row: 4;
    }

    .visual-item:nth-of-type(4) {
        grid-column: 3 / 5;
        grid-row: 4;
    }

    .visual-item:nth-of-type(5) {
        grid-column: 5 / 7;
        grid-row: 4;
    }

    .visual-item:nth-of-type(6) {
        grid-column: 7 / 9;
        grid-row: 4;
    }

    .visuals-header {
        grid-column: 1 / 4;
        grid-row: 3;
    }

    .visual-carousel-panel {
        grid-column: 4 / 9;
        grid-row: 3;
    }

    .companies-panel {
        grid-column: 1 / 9;
        grid-row: 5;
    }
}

@media (max-width: 768px) {
    .dashboard {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        padding: 0 1rem;
    }

    .hero-panel,
    .estimator-panel,
    .screenshot-featured,
    .screenshot-secondary,
    .visuals-header,
    .visual-carousel-panel,
    .companies-panel {
        grid-column: 1;
        grid-row: auto;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .panel-title {
        font-size: 1.5rem;
    }

    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .nav {
        gap: 1.5rem;
    }

    .dashboard-panel {
        padding: 1.5rem;
    }

    .hero-panel {
        padding: 2rem;
        min-height: auto;
    }

    .estimator-panel {
        min-height: auto;
    }

    .visuals-header {
        min-height: auto;
    }

    .visual-carousel-panel {
        min-height: 400px;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .carousel-btn-prev {
        left: 0.5rem;
    }

    .carousel-btn-next {
        right: 0.5rem;
    }

    .screenshot-item {
        padding: 1rem;
    }
}