/* ===================================================
   SWAMI VIVEKANAND MULTISERVICES PVT. LTD.
   Premium GPS Vehicle Tracking & Fleet Management
   Custom Stylesheet
   =================================================== */

/* === CSS VARIABLES === */
:root {
    --clr-bg-deep:      #050d1a;
    --clr-bg-dark:      #0a1628;
    --clr-bg-card:      #0e1f38;
    --clr-bg-card-hover:#132a4a;
    --clr-surface:      #112240;
    --clr-border:       rgba(0, 230, 118, 0.1);
    --clr-border-hover: rgba(0, 230, 118, 0.3);

    --clr-green:        #00e676;
    --clr-green-dim:    #00c853;
    --clr-cyan:         #00bcd4;
    --clr-gold:         #ffb74d;
    --clr-purple:       #b388ff;
    --clr-rose:         #ff6090;
    --clr-blue:         #448aff;

    --clr-text:         #c8d6e5;
    --clr-text-dim:     #8892a4;
    --clr-text-bright:  #e8edf5;
    --clr-white:        #ffffff;

    --gradient-main:    linear-gradient(135deg, #00e676 0%, #00bcd4 100%);
    --gradient-hero:    linear-gradient(160deg, #050d1a 0%, #0a1628 40%, #0e1a30 100%);
    --gradient-card:    linear-gradient(145deg, rgba(14,31,56,0.9), rgba(10,22,40,0.95));

    --font-heading:     'Poppins', sans-serif;
    --font-body:        'Inter', sans-serif;

    --radius-sm:        8px;
    --radius-md:        14px;
    --radius-lg:        20px;
    --radius-xl:        28px;

    --shadow-glow:      0 0 30px rgba(0, 230, 118, 0.15);
    --shadow-card:      0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-card-hover:0 16px 48px rgba(0, 230, 118, 0.12);

    --transition:       all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast:  all 0.2s ease;
}

/* === RESET & BASE === */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--clr-bg-deep);
    color: var(--clr-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--clr-white);
    font-weight: 700;
    line-height: 1.25;
}

a {
    text-decoration: none;
    color: var(--clr-green);
    transition: var(--transition-fast);
}

a:hover {
    color: var(--clr-cyan);
}

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

::selection {
    background: rgba(0, 230, 118, 0.25);
    color: var(--clr-white);
}

/* === UTILITY CLASSES === */
.section-padding {
    padding: 100px 0;
}

.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-label {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.section-label span {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    border-radius: 50px;
    background: rgba(0, 230, 118, 0.08);
    border: 1px solid rgba(0, 230, 118, 0.2);
    color: var(--clr-green);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.section-description {
    font-size: 1.05rem;
    color: var(--clr-text);
    line-height: 1.8;
    margin-bottom: 16px;
}

/* === BUTTONS === */
.btn-glow {
    background: var(--gradient-main);
    color: var(--clr-bg-deep) !important;
    font-family: var(--font-heading);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    z-index: 1;
}

.btn-glow::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #00c853 0%, #00acc1 100%);
    opacity: 0;
    transition: opacity 0.35s ease;
    z-index: -1;
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: var(--clr-bg-deep) !important;
}

.btn-glow:hover::before {
    opacity: 1;
}

.btn-glow:active {
    transform: translateY(0);
}

.btn-outline-glow {
    background: transparent;
    color: var(--clr-green) !important;
    border: 1.5px solid rgba(0, 230, 118, 0.4);
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.btn-outline-glow:hover {
    background: rgba(0, 230, 118, 0.1);
    border-color: var(--clr-green);
    color: var(--clr-green) !important;
    transform: translateY(-2px);
}

/* ============================
   NAVBAR
   ============================ */
#mainNavbar {
    padding: 16px 0;
    transition: var(--transition);
    z-index: 1000;
    background: transparent;
}

#mainNavbar.scrolled {
    padding: 10px 0;
    background: rgba(5, 13, 26, 0.88);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--clr-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.brand-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--clr-white);
    letter-spacing: 0.3px;
}

.brand-tagline {
    font-size: 0.68rem;
    color: var(--clr-text-dim);
    font-weight: 400;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.navbar-nav .nav-link {
    color: var(--clr-text) !important;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.92rem;
    padding: 8px 16px !important;
    position: relative;
    transition: var(--transition-fast);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 16px;
    width: 0;
    height: 2px;
    background: var(--gradient-main);
    border-radius: 1px;
    transition: width 0.3s ease;
}

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

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: calc(100% - 32px);
}

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

/* ============================
   HERO SECTION
   ============================ */
.hero-section {
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
}

.hero-bg-elements {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,230,118,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,230,118,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.floating-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--clr-green);
    opacity: 0.4;
}

.dot-1 { top: 20%; left: 15%; animation: float-slow 8s ease-in-out infinite; }
.dot-2 { top: 60%; left: 80%; animation: float-slow 10s ease-in-out infinite 2s; }
.dot-3 { top: 75%; left: 35%; animation: float-slow 12s ease-in-out infinite 4s; }

.pulse-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(0,230,118,0.15);
    animation: pulse-expand 4s ease-out infinite;
}

.ring-1 { width: 300px; height: 300px; top: 10%; right: -50px; }
.ring-2 { width: 200px; height: 200px; bottom: 15%; left: 10%; animation-delay: 2s; }

.tracking-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,230,118,0.2), transparent);
}

.line-1 { width: 300px; top: 30%; left: 5%; transform: rotate(-15deg); animation: line-move 6s ease-in-out infinite; }
.line-2 { width: 250px; bottom: 25%; right: 10%; transform: rotate(20deg); animation: line-move 8s ease-in-out infinite 3s; }

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    border-radius: 50px;
    background: rgba(0, 230, 118, 0.08);
    border: 1px solid rgba(0, 230, 118, 0.2);
    color: var(--clr-green);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
    animation: badge-pulse 3s ease-in-out infinite;
    opacity: 0;
    transform: translateY(20px);
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -1px;
    opacity: 0;
    transform: translateY(30px);
}

.hero-description {
    font-size: 1.12rem;
    color: var(--clr-text);
    max-width: 520px;
    margin-bottom: 36px;
    line-height: 1.8;
    opacity: 0;
    transform: translateY(30px);
}

.hero-cta {
    margin-bottom: 48px;
    opacity: 0;
    transform: translateY(30px);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 28px;
    opacity: 0;
    transform: translateY(30px);
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--clr-white);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--clr-green);
}

.stat-label {
    font-size: 0.82rem;
    color: var(--clr-text-dim);
    margin-top: 4px;
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(0, 230, 118, 0.2);
}

/* Hero SVG Visual */
.hero-visual {
    position: relative;
    z-index: 2;
    opacity: 0;
    transform: translateX(40px);
}

.hero-svg {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 40px rgba(0,230,118,0.1));
}

.route-path {
    stroke-dasharray: 800;
    stroke-dashoffset: 800;
    animation: draw-route 3s ease-out forwards 1.5s;
}

.vehicle-marker {
    animation: marker-bounce 2s ease-in-out infinite;
}
.marker-1 { animation-delay: 0s; }
.marker-2 { animation-delay: 0.5s; }
.marker-3 { animation-delay: 1s; }

.info-card {
    opacity: 0;
    animation: fade-in-card 0.6s ease forwards;
}
.card-1 { animation-delay: 2.5s; }
.card-2 { animation-delay: 3s; }

.geofence {
    animation: rotate-slow 20s linear infinite;
    transform-origin: 250px 250px;
}

/* ============================
   ABOUT SECTION
   ============================ */
.about-section {
    background: var(--clr-bg-dark);
    position: relative;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--clr-border-hover), transparent);
}

.about-card-stack {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-feature-card {
    background: var(--gradient-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.about-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-main);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.about-feature-card:hover {
    transform: translateX(8px);
    border-color: var(--clr-border-hover);
    box-shadow: var(--shadow-card-hover);
}

.about-feature-card:hover::before {
    opacity: 1;
}

.afc-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: rgba(0, 230, 118, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--clr-green);
    margin-bottom: 16px;
}

.afc-icon.cyan { background: rgba(0, 188, 212, 0.1); color: var(--clr-cyan); }
.afc-icon.gold { background: rgba(255, 183, 77, 0.1); color: var(--clr-gold); }

.about-feature-card h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.about-feature-card p {
    font-size: 0.92rem;
    color: var(--clr-text-dim);
    margin-bottom: 0;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 28px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--clr-text-bright);
}

.highlight-item i {
    color: var(--clr-green);
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* ============================
   SERVICES SECTION
   ============================ */
.services-section {
    background: var(--clr-bg-deep);
    position: relative;
}

.services-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--clr-border-hover), transparent);
}

.service-card {
    background: var(--gradient-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    height: 100%;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.service-card:hover::after {
    transform: scaleX(1);
}

.service-icon-wrap {
    margin-bottom: 24px;
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: rgba(0, 230, 118, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--clr-green);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--gradient-main);
    color: var(--clr-bg-deep);
    transform: scale(1.1);
}

.service-icon.cyan { background: rgba(0, 188, 212, 0.1); color: var(--clr-cyan); }
.service-icon.gold { background: rgba(255, 183, 77, 0.1); color: var(--clr-gold); }
.service-icon.purple { background: rgba(179, 136, 255, 0.1); color: var(--clr-purple); }
.service-icon.rose { background: rgba(255, 96, 144, 0.1); color: var(--clr-rose); }
.service-icon.blue { background: rgba(68, 138, 255, 0.1); color: var(--clr-blue); }

.service-card:hover .service-icon.cyan { background: linear-gradient(135deg, #00bcd4, #0097a7); }
.service-card:hover .service-icon.gold { background: linear-gradient(135deg, #ffb74d, #ff9800); }
.service-card:hover .service-icon.purple { background: linear-gradient(135deg, #b388ff, #7c4dff); }
.service-card:hover .service-icon.rose { background: linear-gradient(135deg, #ff6090, #e91e63); }
.service-card:hover .service-icon.blue { background: linear-gradient(135deg, #448aff, #2962ff); }

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.93rem;
    color: var(--clr-text-dim);
    margin-bottom: 20px;
    line-height: 1.75;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font-heading);
    color: var(--clr-green) !important;
    transition: var(--transition-fast);
}

.service-link:hover {
    gap: 12px;
    color: var(--clr-cyan) !important;
}

/* ============================
   CONTACT SECTION
   ============================ */
.contact-section {
    background: var(--clr-bg-dark);
    position: relative;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--clr-border-hover), transparent);
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 32px;
}

.contact-info-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.cii-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: rgba(0, 230, 118, 0.08);
    border: 1px solid var(--clr-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--clr-green);
    flex-shrink: 0;
    transition: var(--transition);
}

.contact-info-item:hover .cii-icon {
    background: var(--gradient-main);
    color: var(--clr-bg-deep);
    border-color: transparent;
}

.contact-info-item h5 {
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.contact-info-item p {
    font-size: 0.9rem;
    color: var(--clr-text-dim);
    margin-bottom: 0;
    line-height: 1.6;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--gradient-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-xl);
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.contact-form-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 70% 30%, rgba(0,230,118,0.03) 0%, transparent 50%);
    pointer-events: none;
}

.form-floating-custom {
    position: relative;
    margin-bottom: 4px;
}

.form-floating-custom label {
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    color: var(--clr-text-dim);
    font-size: 0.9rem;
    pointer-events: none;
    transition: var(--transition-fast);
    background: transparent;
    padding: 0 4px;
    z-index: 2;
}

.form-floating-custom textarea ~ label {
    top: 20px;
    transform: none;
}

.form-floating-custom .form-control {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    color: var(--clr-white);
    padding: 16px;
    font-size: 0.95rem;
    font-family: var(--font-body);
    transition: var(--transition);
    height: auto;
}

.form-floating-custom textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.form-floating-custom select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300e676' d='M6 8.825L.6 3.4l.85-.85L6 7.125 10.55 2.55l.85.85z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-floating-custom select.form-control option {
    background: var(--clr-bg-dark);
    color: var(--clr-white);
}

.form-floating-custom .form-control:focus {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--clr-green);
    box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.1);
    outline: none;
}

.form-floating-custom .form-control:focus ~ label,
.form-floating-custom .form-control:not(:placeholder-shown) ~ label {
    top: 0;
    font-size: 0.75rem;
    color: var(--clr-green);
    background: var(--clr-bg-card);
    padding: 0 6px;
    border-radius: 4px;
}

.form-floating-custom .form-control.is-invalid {
    border-color: var(--clr-rose);
}

.form-floating-custom .form-control.is-invalid ~ label {
    color: var(--clr-rose);
}

/* Form Success */
.form-success {
    text-align: center;
    padding: 40px 20px;
}

.success-icon {
    font-size: 4rem;
    color: var(--clr-green);
    margin-bottom: 20px;
    animation: success-bounce 0.6s ease;
}

.form-success h4 {
    margin-bottom: 10px;
}

.form-success p {
    color: var(--clr-text-dim);
}

/* ============================
   FOOTER
   ============================ */
.footer-section {
    background: var(--clr-bg-deep);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.footer-glow {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--clr-green), transparent);
    opacity: 0.5;
}

.footer-section::before {
    content: '';
    position: absolute;
    bottom: -200px;
    left: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0,230,118,0.04) 0%, transparent 70%);
    pointer-events: none;
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--clr-text-dim);
    margin-bottom: 20px;
    line-height: 1.75;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--clr-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-text-dim) !important;
    font-size: 1rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gradient-main);
    color: var(--clr-bg-deep) !important;
    border-color: transparent;
    transform: translateY(-3px);
}

.footer-heading {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gradient-main);
    border-radius: 1px;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--clr-text-dim) !important;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
}

.footer-links a::before {
    content: '';
    width: 0;
    height: 1px;
    background: var(--clr-green);
    margin-right: 0;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--clr-green) !important;
}

.footer-links a:hover::before {
    width: 12px;
    margin-right: 8px;
}

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

.footer-contact li {
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: var(--clr-text-dim);
    display: flex;
    align-items: center;
}

.footer-contact li i {
    color: var(--clr-green);
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid var(--clr-border);
    padding: 24px 0;
    margin-top: 20px;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--clr-text-dim);
}

.footer-bottom-link {
    color: var(--clr-text-dim) !important;
    font-size: 0.85rem;
    margin-left: 20px;
    transition: var(--transition-fast);
}

.footer-bottom-link:hover {
    color: var(--clr-green) !important;
}

/* ============================
   BACK TO TOP BUTTON
   ============================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--gradient-main);
    color: var(--clr-bg-deep);
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-glow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 40px rgba(0, 230, 118, 0.3);
}

/* ============================
   SCROLL ANIMATIONS
   ============================ */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Stagger children */
.animate-on-scroll:nth-child(2) { transition-delay: 0.15s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.45s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.6s; }
.animate-on-scroll:nth-child(6) { transition-delay: 0.75s; }

/* ============================
   KEYFRAMES
   ============================ */
@keyframes float-slow {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0.4; }
    25% { transform: translateY(-20px) translateX(10px); opacity: 0.7; }
    50% { transform: translateY(-10px) translateX(-5px); opacity: 0.5; }
    75% { transform: translateY(-25px) translateX(15px); opacity: 0.6; }
}

@keyframes pulse-expand {
    0% { transform: scale(0.8); opacity: 0.5; }
    100% { transform: scale(1.5); opacity: 0; }
}

@keyframes line-move {
    0%, 100% { opacity: 0.3; transform: translateX(0) rotate(-15deg); }
    50% { opacity: 0.6; transform: translateX(30px) rotate(-15deg); }
}

@keyframes badge-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0,230,118,0.2); }
    50% { box-shadow: 0 0 0 8px rgba(0,230,118,0); }
}

@keyframes draw-route {
    to { stroke-dashoffset: 0; }
}

@keyframes marker-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@keyframes fade-in-card {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes rotate-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes success-bounce {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 991.98px) {
    .section-padding {
        padding: 70px 0;
    }

    .navbar-collapse {
        background: rgba(10, 22, 40, 0.98);
        backdrop-filter: blur(20px);
        border-radius: var(--radius-md);
        padding: 20px;
        margin-top: 12px;
        border: 1px solid var(--clr-border);
    }

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

    .hero-stats {
        gap: 16px;
    }

    .stat-number {
        font-size: 1.6rem;
    }

    .contact-form-wrapper {
        padding: 28px 20px;
    }
}

@media (max-width: 767.98px) {
    .section-padding {
        padding: 50px 0;
    }

    .hero-title {
        font-size: clamp(1.8rem, 6vw, 2.6rem);
    }

    .hero-cta .btn {
        width: 100%;
        margin-bottom: 12px;
    }

    .hero-cta .btn:last-child {
        margin-left: 0 !important;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }

    .stat-divider {
        display: none;
    }

    .stat-item {
        flex: 1;
        min-width: 80px;
        align-items: center;
        text-align: center;
    }

    .about-card-stack {
        margin-bottom: 40px;
    }

    .footer-bottom {
        text-align: center;
    }

    .footer-bottom .text-md-end {
        text-align: center !important;
        margin-top: 12px;
    }

    .footer-bottom-link {
        margin: 0 10px;
    }
}

@media (max-width: 575.98px) {
    .contact-form-wrapper {
        padding: 24px 16px;
        border-radius: var(--radius-md);
    }

    .section-title {
        font-size: 1.6rem;
    }
}