/* CSS Variables & Reset */
:root {
    --bg-main: #050b19;
    --bg-card: #0f172a;
    --bg-card-hover: #1e293b;
    --primary: #0052cc;
    --primary-hover: #0043a4;
    --primary-light: rgba(0, 82, 204, 0.1);
    --primary-border: rgba(0, 82, 204, 0.2);
    
    --gold: #FFC80A;
    --gold-hover: #e6b200;
    --gold-light: rgba(255, 200, 10, 0.1);
    --gold-border: rgba(255, 200, 10, 0.2);

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --success: #10b981;
    --success-light: rgba(16, 185, 129, 0.1);
    --danger: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.1);
    --border: rgba(255, 255, 255, 0.08);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 25px rgba(0, 82, 204, 0.2);
    --shadow-gold: 0 0 25px rgba(255, 200, 10, 0.15);
}

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

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

p {
    color: var(--text-secondary);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: 8px;
    padding: 12px 24px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

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

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--gold-border);
    color: var(--gold);
}

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

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.05rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, #60a5fa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gold-text {
    background: linear-gradient(135deg, var(--gold) 0%, #ffe27c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.accent-text {
    color: var(--gold);
}

/* Header & Sticky Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(5, 11, 25, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.nav-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Hero Section */
.hero {
    padding: 150px 24px 100px 24px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: 
        linear-gradient(to right, #050b19 0%, #050b19 46%, rgba(5, 11, 25, 0.85) 58%, rgba(5, 11, 25, 0) 75%),
        url('assets/hero_banner.jpg') no-repeat right center;
    background-size: cover;
    position: relative;
}

.hero-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 28px;
    z-index: 10;
}

.hero-logo-wrapper {
    margin-bottom: 4px;
}

.hero-logo-img {
    max-height: 90px;
    width: auto;
    object-fit: contain;
    filter: invert(1) grayscale(1) brightness(2);
    mix-blend-mode: screen;
}

.nav-logo-img {
    height: 54px;
    width: auto;
    object-fit: contain;
    filter: invert(1) grayscale(1) brightness(2);
    mix-blend-mode: screen;
}

.hero-title {
    font-size: 4.5rem;
    line-height: 1.1;
    letter-spacing: -1.5px;
    font-weight: 800;
    color: #ffffff;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.2px;
}

.hero-ctas {
    display: flex;
    flex-direction: row;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-badges {
    display: flex;
    gap: 40px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.badge-icon {
    width: 42px;
    height: 42px;
    background: rgba(255, 200, 10, 0.08);
    border: 1px solid rgba(255, 200, 10, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
}

.badge-text {
    display: flex;
    flex-direction: column;
}

.badge-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.25;
}

.badge-sub {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--gold);
    line-height: 1.25;
}

.hero-image-spacer {
    pointer-events: none;
}

/* Sections General */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 24px;
}

.section-title {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 12px;
    font-weight: 800;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 60px auto;
    font-size: 1.1rem;
}

/* Why Choose Us Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 35px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    background-color: var(--bg-card-hover);
    border-color: var(--gold-border);
    box-shadow: var(--shadow);
}

.feature-icon-wrapper {
    background-color: var(--gold-light);
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 200, 10, 0.2);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.feature-card p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Comparison Table */
.table-container {
    overflow-x: auto;
    background-color: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.comparison-table th, 
.comparison-table td {
    padding: 24px 28px;
    border-bottom: 1px solid var(--border);
}

.comparison-table th {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.15rem;
    background-color: rgba(0, 0, 0, 0.3);
}

.comparison-table td {
    color: var(--text-secondary);
}

.feature-name {
    font-weight: 600;
    color: var(--text-primary) !important;
}

/* Highlight Column for Sky Ride */
.highlight-col {
    background-color: rgba(0, 82, 204, 0.04);
    border-left: 1px solid var(--primary-border);
    border-right: 1px solid var(--primary-border);
}

.header-highlight {
    background-color: var(--primary-light);
    color: #ffffff;
    border-top: 3px solid var(--primary);
}

.value-good {
    color: var(--gold) !important;
    font-weight: 700;
}

.comparison-table tr:hover td {
    background-color: rgba(255, 255, 255, 0.01);
}

.comparison-table tr:hover td.highlight-col {
    background-color: rgba(0, 82, 204, 0.06);
}

/* How It Works Timeline */
.steps-timeline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
    margin-top: 40px;
}

.steps-timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 15%;
    width: 70%;
    height: 2px;
    background: linear-gradient(90deg, var(--gold) 0%, rgba(255,200,10,0.1) 100%);
    z-index: 1;
}

.step-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 35px 30px;
    position: relative;
    z-index: 2;
    text-align: center;
    box-shadow: var(--shadow);
}

.step-number {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background-color: var(--gold);
    color: #000;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: -60px auto 24px auto;
    border: 5px solid var(--bg-main);
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
}

.step-card h3 {
    margin-bottom: 6px;
    font-size: 1.3rem;
}

.step-duration {
    display: inline-block;
    background-color: rgba(255, 200, 10, 0.1);
    color: var(--gold);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 6px;
    margin-bottom: 18px;
    border: 1px solid rgba(255, 200, 10, 0.15);
}

/* FAQ Accordion */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.faq-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    text-align: left;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.15rem;
    gap: 20px;
}

.faq-question:hover {
    color: var(--gold);
}

.faq-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: transform 0.3s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background-color: rgba(0, 0, 0, 0.15);
}

.faq-answer p {
    padding: 0 24px 24px 24px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    color: var(--gold);
}

.faq-item.active {
    border-color: var(--gold-border);
}

/* Booking Form Section */
.registration {
    padding: 100px 24px;
    background: linear-gradient(180deg, var(--bg-main) 0%, #081022 100%);
}

.registration-container {
    max-width: 850px;
    margin: 0 auto;
}

.form-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 45px;
    box-shadow: 0 25px 50px -20px rgba(0,0,0,0.7);
    position: relative;
    overflow: hidden;
}

.form-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--gold) 100%);
}

.form-header {
    margin-bottom: 35px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 24px;
}

.form-title-group {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.form-title-group h2 {
    font-size: 2rem;
    font-weight: 800;
}

.form-header p {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Form Elements */
.form-section {
    margin-bottom: 40px;
}

.section-heading {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #ffffff;
}

.section-heading span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    background-color: var(--gold-light);
    color: var(--gold);
    border: 1px solid var(--gold-border);
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 800;
}

.input-group {
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="datetime-local"] {
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px 18px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
    width: 100%;
}

input:focus {
    border-color: var(--gold);
    background-color: rgba(0, 0, 0, 0.45);
    box-shadow: 0 0 0 3px rgba(255, 200, 10, 0.15);
}

input.invalid {
    border-color: var(--danger);
    background-color: rgba(239, 68, 68, 0.04);
}

input.valid {
    border-color: var(--success);
}

.error-message {
    font-size: 0.8rem;
    color: #f87171;
    min-height: 18px;
    margin-top: -4px;
}

/* Custom Car Radios */
.fuel-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.fuel-radio input {
    display: none;
}

.radio-card {
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px 8px;
    text-align: center;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.85rem;
    transition: var(--transition);
    display: block;
    color: var(--text-secondary);
}

.fuel-radio input:checked + .radio-card {
    border-color: var(--gold);
    background-color: var(--gold-light);
    color: var(--gold);
    box-shadow: 0 0 0 3px rgba(255, 200, 10, 0.15);
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 40px 24px;
    text-align: center;
    background-color: #030712;
}

.footer-container p {
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* Success Overlay / Modal */
.success-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 11, 25, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

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

.success-modal {
    background-color: var(--bg-card);
    border: 1px solid var(--gold-border);
    border-radius: 24px;
    padding: 45px;
    width: 90%;
    max-width: 550px;
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.8);
    transform: scale(0.92);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.success-overlay.active .success-modal {
    transform: scale(1);
}

.modal-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 18px;
}

.hidden {
    display: none !important;
}

/* Spinner */
.spinner {
    width: 52px;
    height: 52px;
    border: 4px solid var(--border);
    border-top: 4px solid var(--gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.success-icon-wrapper {
    background-color: var(--success-light);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.success-badge {
    background-color: var(--success-light);
    color: var(--success);
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    padding: 5px 14px;
    border-radius: 30px;
    border: 1px solid rgba(16, 185, 129, 0.2);
    letter-spacing: 0.5px;
}

.success-details {
    margin: 20px 0;
    text-align: left;
    width: 100%;
}

.success-details p {
    font-size: 1rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.next-steps {
    background-color: rgba(0, 0, 0, 0.25);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--border);
}

.next-steps h4 {
    margin-bottom: 12px;
    font-size: 1rem;
    color: var(--text-primary);
}

.next-steps ol {
    margin-left: 20px;
    font-size: 0.92rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Responsiveness */
@media (max-width: 1024px) {
    .hero {
        background: 
            linear-gradient(to bottom, rgba(5, 11, 25, 0.85) 0%, rgba(5, 11, 25, 0.8) 50%, rgba(5, 11, 25, 0.6) 100%),
            url('assets/hero_banner.jpg') no-repeat right center;
        background-size: cover;
        padding-top: 130px;
        padding-bottom: 80px;
        min-height: auto;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-content {
        align-items: center;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .hero-ctas {
        justify-content: center;
    }

    .hero-badges {
        justify-content: center;
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-info .btn {
        padding: 10px 18px;
        font-size: 0.85rem;
    }

    .steps-timeline {
        grid-template-columns: 1fr;
        gap: 60px;
        margin-top: 60px;
    }

    .steps-timeline::before {
        display: none;
    }

    .step-card {
        padding-top: 40px;
    }

    .step-number {
        margin-top: -67px;
    }

    .grid-2-col {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .fuel-options {
        grid-template-columns: 1fr 1fr;
    }

    .form-card {
        padding: 30px 24px;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .fuel-options {
        grid-template-columns: 1fr;
    }
}