:root {
    --primary: #12121A;
    /* Deep Space */
    --primary-light: #1E1E26;
    /* Carbon Surface */
    --accent: #00F2FF;
    /* Cyan Pulse */
    --accent-dark: #00B4CC;
    --text: #F5F7FA;
    /* Off-white */
    --text-muted: #A0A0B8;
    --white: #FFFFFF;
    --bg-light: #181920;
    /* Slightly lighter carbon */
    --bg-dark: #0A0A0F;
    /* Near black */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --glow: 0 0 15px rgba(0, 242, 255, 0.3);
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-dark);
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text);
    background-color: var(--primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
.logo-text {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--bg-light);
}

.bg-dark {
    background-color: var(--bg-dark);
    color: var(--white);
}

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

.underline {
    width: 60px;
    height: 4px;
    background-color: var(--accent);
    margin: 16px 0 24px 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--bg-dark);
    box-shadow: var(--glow);
}

.btn-primary:hover {
    background-color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 242, 255, 0.5);
}

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

.btn-outline:hover {
    background-color: var(--accent);
    color: var(--bg-dark);
}

.btn-large {
    padding: 16px 36px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

/* Nav */
#main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 24px 0;
    transition: var(--transition);
}

#main-nav.scrolled {
    padding: 12px 0;
    background-color: rgba(10, 35, 66, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

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

.logo-text {
    font-size: 1.5rem;
    color: var(--white);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 32px;
}

.nav-links a:not(.btn) {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:not(.btn):hover {
    color: var(--white);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 30px;
    height: 3px;
    background-color: var(--white);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    color: var(--white);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(18, 18, 26, 0.8), rgba(18, 18, 26, 0.5)), url('assets/tfl.webp') no-repeat center center;
    background-size: cover;
    transform: scale(1.05);
    /* For hover/scroll zoom effect */
}

.hero-content {
    max-width: 700px;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    max-width: 600px;
}

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

/* Stats */
.stats {
    background-color: var(--primary);
    color: var(--white);
    padding: 60px 0;
    margin-top: -60px;
    position: relative;
    z-index: 10;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 4px;
}

.stat-label {
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 1px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
}

/* Services */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header .underline {
    margin: 16px auto 24px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--primary-light);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    border: 1px solid rgba(0, 242, 255, 0.05);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 242, 255, 0.1);
    border-color: rgba(0, 242, 255, 0.3);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 24px;
}

.service-card h3 {
    margin-bottom: 16px;
    font-size: 1.5rem;
}

.service-card p {
    color: var(--text-muted);
}

/* Why Us */
.why-us-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.why-list {
    list-style: none;
    margin-top: 40px;
}

.why-list li {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
}

.check-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background-color: rgba(232, 160, 32, 0.15);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: bold;
}

.why-list strong {
    display: block;
    margin-bottom: 4px;
    font-size: 1.1rem;
}

.why-list p {
    color: var(--text-muted);
}

.why-us-image {
    position: relative;
    height: 400px;
    background: var(--primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    overflow: hidden;
}

.why-us-image::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--primary), var(--primary-light));
    z-index: 1;
}

.graphic-card {
    position: relative;
    z-index: 2;
    padding: 40px;
}

.graphic-card span {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    display: block;
    margin-bottom: 12px;
}

/* Safety */
.safety-banner {
    background: var(--bg-dark);
    padding: 60px;
    border-radius: 20px;
    color: var(--white);
    display: flex;
    justify-content: center;
    text-align: center;
}

.safety-content {
    max-width: 800px;
}

.safety-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.accreditations {
    margin-top: 40px;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.accreditations span {
    background: rgba(255, 255, 255, 0.05);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.contact-details {
    margin-top: 40px;
}

.contact-method {
    margin-bottom: 24px;
}

.contact-method strong {
    display: block;
    color: var(--accent);
    text-transform: uppercase;
    font-size: 0.8rem;
    margin-bottom: 4px;
}

.contact-method span {
    font-size: 1.2rem;
}

form {
    background-color: var(--primary-light);
    padding: 40px;
    border-radius: 12px;
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background-color: var(--bg-dark);
    color: var(--text);
    border-radius: 6px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-note {
    text-align: center;
    font-size: 0.8rem;
    margin-top: 16px;
    color: var(--text-muted);
}

/* Footer */
footer {
    padding: 60px 0;
    background-color: #05101E;
    color: rgba(255, 255, 255, 0.6);
}

.footer-layout {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-brand h3 {
    color: var(--white);
    margin-bottom: 12px;
}

.footer-copy {
    text-align: right;
}

.legal {
    font-size: 0.75rem;
    margin-top: 8px;
}

/* Animations */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 0;
    transition: all 0.8s ease-out;
}

.reveal-up {
    transform: translateY(30px);
}

.reveal-left {
    transform: translateX(-30px);
}

.reveal-right {
    transform: translateX(30px);
}

.active {
    opacity: 1;
    transform: translate(0);
}

.animate-up {
    animation: fadeInUp 1s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* Mobile Responsive */
@media (max-width: 991px) {

    .why-us-layout,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .why-us-image {
        height: 300px;
    }
}

@media (max-width: 768px) {
    #main-nav {
        padding: 16px 0;
        background-color: var(--primary);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--primary);
        flex-direction: column;
        padding: 40px 24px;
        gap: 24px;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
        z-index: -1;
    }

    .nav-links.show {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    /* Compact Mobile Services */
    .section-padding {
        padding: 50px 0;
    }

    .services-grid {
        gap: 20px;
    }

    .service-card {
        padding: 24px;
    }

    .service-icon {
        font-size: 2rem;
        margin-bottom: 12px;
    }

    .service-card h3 {
        font-size: 1.2rem;
        margin-bottom: 6px;
    }

    .service-card p {
        font-size: 0.85rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .footer-layout {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }

    .footer-copy {
        text-align: left;
    }
}