/* ============================================
   CIRREN GROUP — Modern Corporate Stylesheet
   Brand Color: #004AAD (Dark Blue)
   ============================================ */

:root {
    --primary: #004AAD;
    --primary-light: #1a6ed8;
    --primary-dark: #003580;
    --secondary: #0077CC;
    --accent: #00B4D8;
    --dark: #0a1628;
    --dark-light: #1a2a44;
    --text: #2d3748;
    --text-light: #64748b;
    --text-lighter: #94a3b8;
    --light: #f8fafc;
    --white: #ffffff;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   BASE & RESET
   ============================================ */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
}

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

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

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


/* ============================================
   SPINNER
   ============================================ */

#spinner {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0s linear 0.4s;
    z-index: 99999;
}

#spinner.show {
    transition: opacity 0.4s ease, visibility 0s linear 0s;
    visibility: visible;
    opacity: 1;
}


/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    color: var(--dark);
    font-weight: 700;
    line-height: 1.3;
}

.section-header {
    margin-bottom: 3rem;
}

.section-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 30px;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 2px;
    background: var(--primary);
}

.text-center .section-label {
    padding-left: 0;
}

.text-center .section-label::before {
    display: none;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--text-light);
    max-width: 560px;
    margin: 0 auto;
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}


/* ============================================
   BUTTONS
   ============================================ */

.btn {
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    letter-spacing: 0.01em;
    border: 2px solid transparent;
}

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

.btn-primary:hover, .btn-primary:focus {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 74, 173, 0.3);
}

.btn-outline-light {
    border-color: rgba(255, 255, 255, 0.6);
    color: var(--white);
}

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

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
}


/* ============================================
   NAVBAR
   ============================================ */

.navbar {
    padding: 0;
    background: var(--white);
    transition: var(--transition-slow);
    top: -100px;
    border: none;
    z-index: 9999;
}

.navbar.scrolled {
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.08);
}

.navbar .container {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0;
}

.brand-text {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 2px;
    line-height: 1;
}

.brand-sub {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-light);
    letter-spacing: 3px;
    text-transform: uppercase;
    align-self: flex-end;
    margin-bottom: 2px;
}

.navbar-nav .nav-link {
    color: var(--text) !important;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.75rem 1rem !important;
    position: relative;
    transition: var(--transition);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary) !important;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    transform: scaleX(1);
}

.navbar .btn-primary {
    font-size: 0.875rem;
    padding: 8px 20px;
    border-radius: 50px;
}

.navbar-toggler {
    border: none;
    padding: 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

@media (max-width: 991.98px) {
    .navbar-nav {
        padding: 1rem 0;
        border-top: 1px solid var(--border);
    }

    .navbar-nav .nav-link::after {
        display: none;
    }

    .navbar .btn-primary {
        margin-top: 0.5rem;
        display: inline-block;
        width: auto;
    }
}


/* ============================================
   HERO SECTION
   ============================================ */

.hero-section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.05);
    animation: heroZoom 20s ease infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1.05); }
    100% { transform: scale(1.15); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(0, 20, 60, 0.85) 0%,
        rgba(0, 74, 173, 0.65) 50%,
        rgba(0, 20, 60, 0.80) 100%
    );
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 24px;
    border-radius: 50px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-title .text-gradient {
    background: linear-gradient(135deg, #60d5f7 0%, #94e4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 640px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
    font-weight: 400;
}

.hero-buttons .btn {
    margin-bottom: 0.5rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-indicator a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.5rem;
    animation: bounceDown 2s infinite;
}

@keyframes bounceDown {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(10px); }
    60% { transform: translateY(5px); }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 6px 16px;
    }
}


/* ============================================
   SECTION PADDING
   ============================================ */

.section-padding {
    padding: 6rem 0;
}

.bg-light-subtle {
    background-color: #f1f5f9 !important;
}

@media (max-width: 768px) {
    .section-padding {
        padding: 4rem 0;
    }

    .section-title {
        font-size: 1.875rem;
    }
}


/* ============================================
   ABOUT SECTION
   ============================================ */

.about-images {
    position: relative;
    padding: 2rem;
}

.about-img-main img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-img-accent {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 55%;
    z-index: 2;
}

.about-img-accent img {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    border: 4px solid var(--white);
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.about-experience-badge {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 3;
}

.experience-content {
    background: var(--primary);
    color: var(--white);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 74, 173, 0.3);
}

.exp-number {
    font-size: 2.5rem;
    font-weight: 800;
    display: block;
    line-height: 1;
}

.exp-text {
    font-size: 0.8125rem;
    font-weight: 500;
    opacity: 0.9;
    line-height: 1.3;
    display: block;
    margin-top: 4px;
}

.about-value-card {
    padding: 1.25rem;
    border-radius: var(--radius-md);
    background: var(--white);
    border: 1px solid var(--border);
    transition: var(--transition);
    height: 100%;
}

.about-value-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.value-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 74, 173, 0.08);
    color: var(--primary);
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    font-size: 1.125rem;
}

.about-value-card h5 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}

.about-value-card p {
    font-size: 0.8125rem;
    color: var(--text-light);
    margin: 0;
    line-height: 1.5;
}


/* ============================================
   STATS SECTION
   ============================================ */

.stats-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 4rem 0;
}

.stat-item {
    padding: 1.5rem;
}

.stat-number {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 0.25rem;
    line-height: 1;
}

.stat-label {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.75);
    font-weight: 500;
    margin: 0;
}


/* ============================================
   SERVICE CARDS
   ============================================ */

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: var(--transition-slow);
    height: 100%;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-card-img {
    overflow: hidden;
    height: 220px;
}

.service-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.service-card:hover .service-card-img img {
    transform: scale(1.08);
}

.service-card-body {
    padding: 1.75rem;
}

.service-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 74, 173, 0.08);
    color: var(--primary);
    border-radius: var(--radius-sm);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-card-body h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.service-card-body p {
    font-size: 0.9375rem;
    color: var(--text-light);
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary);
}

.service-link i {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.service-link:hover {
    color: var(--primary-dark);
}

.service-link:hover i {
    transform: translateX(4px);
}


/* ============================================
   TRANSPORT MODE CARDS
   ============================================ */

.transport-mode-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--transition);
    height: 100%;
}

.transport-mode-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.transport-mode-card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
    display: block;
}

.transport-mode-card h5 {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.transport-mode-card p {
    font-size: 0.875rem;
    color: var(--text-light);
    margin: 0;
    line-height: 1.5;
}


/* ============================================
   CEO QUOTE SECTION
   ============================================ */

.ceo-quote-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--light) 0%, var(--white) 100%);
}

.ceo-quote-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.ceo-image-wrapper {
    height: 100%;
    min-height: 400px;
    overflow: hidden;
}

.ceo-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.ceo-quote-content {
    padding: 3rem;
}

.quote-icon {
    margin-bottom: 1.5rem;
}

.quote-icon i {
    font-size: 2.5rem;
    color: var(--primary);
    opacity: 0.2;
}

.ceo-quote-content blockquote {
    font-size: 1.1875rem;
    font-weight: 400;
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-style: italic;
    border: none;
    padding: 0;
}

.ceo-divider {
    width: 40px;
    height: 3px;
    background: var(--primary);
    margin-bottom: 1rem;
}

.ceo-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.ceo-title {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
    margin: 0;
}

@media (max-width: 768px) {
    .ceo-image-wrapper {
        min-height: 300px;
    }

    .ceo-quote-content {
        padding: 2rem;
    }

    .ceo-quote-content blockquote {
        font-size: 1rem;
    }
}


/* ============================================
   WHY CHOOSE US
   ============================================ */

.feature-image-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.feature-image-wrapper img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.feature-image-wrapper:hover img {
    transform: scale(1.03);
}

.why-us-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.why-us-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.why-us-item:hover {
    background: var(--light);
}

.why-icon {
    flex-shrink: 0;
    color: var(--primary);
    font-size: 1.25rem;
    margin-top: 2px;
}

.why-us-item h6 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--dark);
}

.why-us-item p {
    font-size: 0.875rem;
    color: var(--text-light);
    margin: 0;
    line-height: 1.5;
}


/* ============================================
   TEAM SECTION
   ============================================ */

.team-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    transition: var(--transition-slow);
    text-align: center;
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.team-card-img {
    overflow: hidden;
    height: 320px;
}

.team-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.6s ease;
}

.team-card:hover .team-card-img img {
    transform: scale(1.05);
}

.team-card-body {
    padding: 1.5rem;
}

.team-card-body h5 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.team-role {
    font-size: 0.875rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 1rem;
}

.team-socials {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
}

.team-socials a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--light);
    color: var(--text-light);
    font-size: 0.875rem;
    transition: var(--transition);
}

.team-socials a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.team-group-photo {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.team-group-photo img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.team-group-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 20, 60, 0.85));
    padding: 3rem 2rem 2rem;
    color: var(--white);
}

.team-group-overlay h4 {
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.team-group-overlay p {
    font-size: 0.9375rem;
    opacity: 0.8;
    margin: 0;
}


/* ============================================
   CONTACT SECTION
   ============================================ */

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

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 74, 173, 0.08);
    color: var(--primary);
    border-radius: var(--radius-sm);
    font-size: 1.125rem;
}

.contact-info-item h6 {
    font-size: 0.9375rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--dark);
}

.contact-info-item p {
    font-size: 0.9375rem;
    color: var(--text-light);
    margin: 0;
}

.contact-form-card {
    background: var(--light);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    border: 1px solid var(--border);
}

.contact-form-card h4 {
    font-size: 1.375rem;
    font-weight: 700;
}

.contact-form-card .form-control,
.contact-form-card .form-select {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 0.9375rem;
    color: var(--text);
    transition: var(--transition);
}

.contact-form-card .form-control:focus,
.contact-form-card .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 74, 173, 0.1);
}

.contact-form-card .form-control::placeholder {
    color: var(--text-lighter);
}

.contact-form-card .btn-primary {
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}


/* ============================================
   FOOTER
   ============================================ */

.site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding-top: 4rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 1.25rem;
}

.footer-brand .brand-text {
    font-size: 1.5rem;
    color: var(--white);
}

.footer-brand .brand-sub {
    color: rgba(255, 255, 255, 0.5);
    align-self: flex-end;
    margin-bottom: 1px;
}

.footer-desc {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 1.5rem;
}

.footer-socials {
    display: flex;
    gap: 0.75rem;
}

.footer-socials a {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    transition: var(--transition);
}

.footer-socials a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-title {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.25rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.625rem;
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 4px;
}

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact li {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.footer-contact li i {
    color: var(--primary-light);
    margin-top: 3px;
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 1.5rem 0;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}


/* ============================================
   BACK TO TOP
   ============================================ */

.back-to-top {
    position: fixed;
    right: 30px;
    bottom: 30px;
    display: none;
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: 50%;
    font-size: 1.125rem;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(0, 74, 173, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}


/* ============================================
   SMOOTH ANIMATIONS
   ============================================ */

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth card entrance */
.service-card,
.transport-mode-card,
.about-value-card,
.team-card,
.why-us-item {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

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

/* Staggered animations */
.row > [class*="col-"]:nth-child(1) .service-card,
.row > [class*="col-"]:nth-child(1) .transport-mode-card,
.row > [class*="col-"]:nth-child(1) .about-value-card { animation-delay: 0.1s; }
.row > [class*="col-"]:nth-child(2) .service-card,
.row > [class*="col-"]:nth-child(2) .transport-mode-card,
.row > [class*="col-"]:nth-child(2) .about-value-card { animation-delay: 0.2s; }
.row > [class*="col-"]:nth-child(3) .service-card,
.row > [class*="col-"]:nth-child(3) .transport-mode-card,
.row > [class*="col-"]:nth-child(3) .about-value-card { animation-delay: 0.3s; }
.row > [class*="col-"]:nth-child(4) .service-card,
.row > [class*="col-"]:nth-child(4) .transport-mode-card,
.row > [class*="col-"]:nth-child(4) .about-value-card { animation-delay: 0.4s; }

.why-us-item:nth-child(1) { animation-delay: 0.1s; }
.why-us-item:nth-child(2) { animation-delay: 0.2s; }
.why-us-item:nth-child(3) { animation-delay: 0.3s; }
.why-us-item:nth-child(4) { animation-delay: 0.4s; }


/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */

@media (max-width: 576px) {
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-right: 0 !important;
        margin-bottom: 0.75rem;
    }

    .ceo-quote-content {
        padding: 1.5rem;
    }

    .contact-form-card {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .about-images {
        padding: 1rem;
    }

    .about-img-accent {
        display: none;
    }
}

@media (max-width: 992px) {
    .feature-image-wrapper img {
        height: 350px;
    }

    .team-group-photo img {
        height: 280px;
    }
}


/* ============================================
   PAGE HEADER (for sub-pages)
   ============================================ */

.page-header {
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
    padding: 6rem 0 3rem;
    margin-top: 0;
}

.page-header h1 {
    color: var(--white);
    font-size: 2.5rem;
    font-weight: 800;
}

.breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.5);
}

.breadcrumb-item a {
    color: rgba(255, 255, 255, 0.7);
}

.breadcrumb-item.active {
    color: rgba(255, 255, 255, 0.9);
}