/* ===================================
   GASKEUNN RENTAL - UBER DESIGN SYSTEM
   =================================== */

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

:root {
    --color-black: #000000;
    --color-white: #ffffff;
    --color-gray-body: #4b4b4b;
    --color-gray-muted: #afafaf;
    --color-gray-chip: #efefef;
    --color-gray-hover: #e2e2e2;
    --color-gray-hover-light: #f3f3f3;
    --shadow-light: rgba(0, 0, 0, 0.12);
    --shadow-medium: rgba(0, 0, 0, 0.16);
    --shadow-press: rgba(0, 0, 0, 0.08);
    --spacing-unit: 8px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    color: var(--color-black);
    background: var(--color-white);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1136px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
}

h1 {
    font-size: 52px;
    line-height: 1.23;
}

h2 {
    font-size: 36px;
    line-height: 1.22;
}

h3 {
    font-size: 24px;
    line-height: 1.33;
}

p {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
}

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-chip);
    z-index: 1000;
    padding: 16px 0;
}

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

.nav-logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-black);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--color-gray-body);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-black);
    transition: all 0.3s;
}

/* Buttons */
.btn-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 999px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

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

.btn-black:hover {
    background: #1a1a1a;
    transform: translateY(-1px);
}

.btn-white {
    background: var(--color-white);
    color: var(--color-black);
    border: 1px solid var(--color-black);
}

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

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

/* Hero Section */
.hero {
    padding: 80px 0;
    background: var(--color-white);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--color-gray-chip);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.23;
    margin-bottom: 16px;
}

.hero-highlight {
    display: block;
}

.hero-desc {
    font-size: 18px;
    color: var(--color-gray-body);
    margin-bottom: 32px;
    line-height: 1.5;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--color-gray-body);
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image {
    font-size: 200px;
    line-height: 1;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 18px;
    color: var(--color-gray-body);
}

/* Katalog Section */
.section-katalog {
    background: var(--color-white);
}

.katalog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.vehicle-card {
    background: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 4px 16px var(--shadow-light);
    padding: 32px;
    transition: all 0.3s;
}

.vehicle-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-medium);
}

.vehicle-icon {
    font-size: 64px;
    text-align: center;
    margin-bottom: 24px;
}

.vehicle-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.vehicle-desc {
    font-size: 14px;
    color: var(--color-gray-body);
    margin-bottom: 16px;
}

.vehicle-specs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.spec-item {
    padding: 4px 12px;
    background: var(--color-gray-chip);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
}

.vehicle-price {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 24px;
}

.vehicle-price span {
    font-size: 16px;
    font-weight: 400;
    color: var(--color-gray-body);
}

/* Pricing Section */
.section-pricing {
    background: var(--color-gray-chip);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.pricing-card {
    background: var(--color-white);
    border-radius: 12px;
    padding: 40px 32px;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-medium);
}

.pricing-featured {
    border: 2px solid var(--color-black);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-black);
    color: var(--color-white);
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 24px;
}

.pricing-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.pricing-desc {
    font-size: 14px;
    color: var(--color-gray-body);
}

.pricing-discount {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 24px;
}

.pricing-features {
    margin-bottom: 32px;
}

.feature-item {
    padding: 12px 0;
    font-size: 16px;
    border-bottom: 1px solid var(--color-gray-chip);
}

.feature-item:last-child {
    border-bottom: none;
}

/* Testimonials Section */
.section-testimonials {
    background: var(--color-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    background: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 4px 16px var(--shadow-light);
    padding: 32px;
}

.testimonial-rating {
    color: #FFD700;
    font-size: 20px;
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 16px;
    font-style: italic;
    color: var(--color-gray-body);
    margin-bottom: 24px;
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-black);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
}

.author-name {
    font-size: 16px;
    font-weight: 600;
}

.author-role {
    font-size: 14px;
    color: var(--color-gray-body);
}

/* FAQ Section */
.section-faq {
    background: var(--color-gray-chip);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border-radius: 8px;
    margin-bottom: 16px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    background: none;
    border: none;
    font-size: 18px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: background 0.2s;
}

.faq-question:hover {
    background: var(--color-gray-hover-light);
}

.faq-icon {
    font-size: 24px;
    font-weight: 300;
    transition: transform 0.3s;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 24px 24px;
    color: var(--color-gray-body);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--color-black);
    color: var(--color-white);
    padding: 80px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 64px;
    margin-bottom: 64px;
}

.footer-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 18px;
    color: var(--color-gray-muted);
    margin-bottom: 32px;
    line-height: 1.5;
}

.footer-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-heading {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--color-gray-muted);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid #333;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: var(--color-gray-muted);
}

.footer-credit a {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 600;
}

.footer-credit a:hover {
    text-decoration: underline;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    h1 {
        font-size: 42px;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .katalog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .nav-links {
        position: fixed;
        top: 73px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 24px;
        box-shadow: 0 4px 16px var(--shadow-light);
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s;
        pointer-events: none;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    h1 {
        font-size: 36px;
    }
    
    .hero {
        padding: 48px 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-desc {
        font-size: 16px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-stats {
        gap: 32px;
    }
    
    .hero-image {
        font-size: 120px;
    }
    
    section {
        padding: 48px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-desc {
        font-size: 16px;
    }
    
    .katalog-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-info {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 28px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .btn-pill {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .vehicle-card {
        padding: 24px;
    }
    
    .vehicle-icon {
        font-size: 48px;
    }
    
    .pricing-card {
        padding: 32px 24px;
    }
}

/* Utility Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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