/* ==========================================================================
   TRILOK INFOTECH PRIVATE LIMITED — REDESIGN SYSTEM & RESPONSIVE STYLES
   Primary Reference Design: Screens 01 - 10
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS & CSS VARIABLES
   -------------------------------------------------------------------------- */
:root {
    /* Color Palette */
    --primary-navy: #070B19;
    --navy-card: #0D152D;
    --navy-header: rgba(7, 11, 25, 0.94);
    
    --primary-blue: #0B5ED7;
    --primary-blue-hover: #094db2;
    --bright-blue: #1688F7;
    --cyan-accent: #00F2FE;
    --gradient-blue: linear-gradient(135deg, #0B5ED7 0%, #1688F7 100%);
    --gradient-hero-overlay: linear-gradient(180deg, rgba(7, 11, 25, 0.45) 0%, rgba(7, 11, 25, 0.78) 100%);
    --gradient-card-glow: linear-gradient(135deg, rgba(11, 94, 215, 0.12) 0%, rgba(22, 136, 247, 0.05) 100%);
    
    --bg-light: #F4F7FB;
    --bg-white: #FFFFFF;
    
    --text-main: #0F172A;
    --text-muted: #64748B;
    --text-light: #94A3B8;
    --text-white: #FFFFFF;
    
    --border-color: #E2E8F0;
    --border-light: rgba(226, 232, 240, 0.8);
    --border-navy: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-sans: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Elevation & Shadows */
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 16px 40px rgba(11, 94, 215, 0.1);
    --shadow-blue-glow: 0 10px 30px rgba(11, 94, 215, 0.35);
    
    /* Border Radii */
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-pill: 9999px;
    
    /* Transitions */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   2. GLOBAL RESET & BASE STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

section, [id] {
    scroll-margin-top: 90px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

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

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

button {
    font-family: inherit;
    border: none;
    outline: none;
    cursor: pointer;
    background: none;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography Helpers */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-blue { color: var(--primary-blue); }
.text-cyan { color: var(--bright-blue); }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--text-white); }

.text-gradient-blue {
    background: linear-gradient(135deg, #00F2FE 0%, #1688F7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Scroll Reveal Animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
    will-change: opacity, transform;
}

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

/* Section Common Structure */
.section {
    padding: 90px 0;
    position: relative;
}

.section-header {
    margin-bottom: 50px;
}

.section-header .main-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-main);
    line-height: 1.25;
    margin-bottom: 12px;
}

.section-header .section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-weight: 500;
    max-width: 640px;
    margin: 0 auto;
}

/* --------------------------------------------------------------------------
   3. BUTTON SYSTEM
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-pill);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.2px;
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-blue);
    color: var(--text-white);
    box-shadow: 0 6px 20px rgba(11, 94, 215, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(11, 94, 215, 0.55);
    background: linear-gradient(135deg, #094db2 0%, #00F2FE 100%);
}

.btn-outline-white {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: var(--text-white);
    backdrop-filter: blur(10px);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.28);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-3px);
}

.btn-whatsapp {
    background: #25D366;
    color: #FFFFFF;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
    background: #20bd5a;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.5);
}

.btn-full {
    width: 100%;
}

/* --------------------------------------------------------------------------
   4. HEADER / NAVIGATION (NAVBAR & MOBILE DRAWER)
   -------------------------------------------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 14px 0;
    transition: var(--transition);
    background: #FFFFFF !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid #E2E8F0;
}

.navbar.scrolled {
    background: #FFFFFF !important;
    backdrop-filter: blur(16px);
    padding: 10px 0;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid #E2E8F0;
}

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

.logo-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-header-img {
    height: 44px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
    display: block;
    transition: transform var(--transition-fast);
}

.logo-header-img:hover,
.logo-footer-img:hover {
    transform: scale(1.03);
}

.logo-footer-img {
    height: 48px;
    width: auto;
    max-width: 250px;
    object-fit: contain;
    display: block;
    transition: transform var(--transition-fast);
}

.logo-card-bg {
    background: #FFFFFF;
    padding: 6px 14px;
    border-radius: 10px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.logo-box {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-img {
    height: 38px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: #07132B;
    letter-spacing: 0.5px;
}

.brand-sub {
    font-size: 0.65rem;
    font-weight: 700;
    color: #0066FF;
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-link {
    font-size: 0.92rem;
    font-weight: 600;
    color: #0F172A;
    transition: var(--transition-fast);
    position: relative;
    padding: 6px 0;
}

.nav-link:hover,
.nav-link.active {
    color: #0066FF;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #0066FF;
    transition: var(--transition-fast);
    border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

.mobile-toggle {
    display: none;
    font-size: 1.3rem;
    color: #0F172A;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    background: #F1F5F9;
    border-radius: var(--radius-sm);
    border: 1px solid #E2E8F0;
    transition: var(--transition-fast);
}

.mobile-toggle:hover {
    background: #E2E8F0;
    color: #0066FF;
}

/* Mobile Drawer */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 340px;
    height: 100vh;
    background: #070B19;
    z-index: 1100;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-drawer.open {
    right: 0;
}

.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.drawer-overlay.open {
    opacity: 1;
    visibility: visible;
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.drawer-close {
    font-size: 1.5rem;
    color: #FFFFFF;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.drawer-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 30px 0;
}

.drawer-link {
    font-size: 1.1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.drawer-link:hover,
.drawer-link.active {
    background: rgba(11, 94, 215, 0.2);
    color: var(--bright-blue);
    padding-left: 20px;
}

.drawer-footer {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* --------------------------------------------------------------------------
   5. SCREEN 01 — HERO SECTION (BRIGHT DYNAMIC CANVAS PARTICLES & HIGH CONTRAST)
   -------------------------------------------------------------------------- */
.hero-section {
    position: relative;
    min-height: 100vh;
    padding-top: 140px;
    padding-bottom: 60px;
    background: var(--primary-navy) url('hero_tech_bg.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* Bright Animated Canvas Particles */
#hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero-overlay);
    z-index: 2;
}

.hero-container {
    position: relative;
    z-index: 3;
    width: 100%;
}

.hero-content {
    max-width: 840px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(11, 94, 215, 0.35);
    border: 1px solid rgba(0, 242, 254, 0.6);
    border-radius: var(--radius-pill);
    font-size: 0.82rem;
    font-weight: 800;
    color: var(--cyan-accent);
    letter-spacing: 2px;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 25px rgba(0, 242, 254, 0.3);
}

.hero-title {
    font-size: clamp(2.6rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.12;
    color: #FFFFFF;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    text-shadow: 0 4px 25px rgba(0, 0, 0, 0.8);
}

.hero-subtitle {
    font-size: clamp(1.15rem, 2.2vw, 1.4rem);
    color: #FFFFFF;
    font-weight: 600;
    margin-bottom: 12px;
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.7);
}

.hero-tech-services {
    font-size: 1rem;
    font-weight: 700;
    color: var(--cyan-accent);
    margin-bottom: 36px;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 14px rgba(0, 242, 254, 0.5);
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

/* Statistics Counter Bar (Screen 01 Bottom) */
.stats-counter-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    background: rgba(13, 21, 45, 0.85);
    border: 1px solid rgba(0, 242, 254, 0.35);
    border-radius: var(--radius-lg);
    padding: 28px 40px;
    backdrop-filter: blur(16px);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45);
    max-width: 900px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: clamp(2.2rem, 3.8vw, 3rem);
    font-weight: 800;
    color: #FFFFFF;
    line-height: 1;
    margin-bottom: 6px;
    text-shadow: 0 2px 12px rgba(11, 94, 215, 0.5);
}

.stat-label {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--cyan-accent);
    letter-spacing: 0.5px;
}

/* --------------------------------------------------------------------------
   6. SCREEN 02 — OUR SERVICES
   -------------------------------------------------------------------------- */
.services-section {
    background-color: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.service-card {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    padding: 36px 30px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(11, 94, 215, 0.3);
}

.service-icon-box {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: rgba(11, 94, 215, 0.08);
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-card:hover .service-icon-box {
    background: var(--gradient-blue);
    color: #FFFFFF;
    box-shadow: 0 8px 20px rgba(11, 94, 215, 0.3);
}

.service-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 12px;
    line-height: 1.3;
}

.service-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 24px;
    flex-grow: 1;
}

.service-card-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary-blue);
    transition: var(--transition-fast);
}

.service-card:hover .service-card-btn {
    gap: 12px;
    color: var(--bright-blue);
}

/* --------------------------------------------------------------------------
   7. SCREEN 03 — FLAGSHIP PRODUCT (SINGLE ENLARGED MOBILE PHONE SHOWCASE)
   -------------------------------------------------------------------------- */
.product-section {
    background: var(--primary-navy);
    color: #FFFFFF;
}

.product-banner-card {
    background: linear-gradient(135deg, #09122b 0%, #060b18 100%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 36px;
    padding: 60px 48px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    overflow: hidden;
    max-width: 100%;
}

.product-badge-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(11, 94, 215, 0.25);
    border: 1px solid rgba(0, 242, 254, 0.3);
    color: var(--cyan-accent);
    font-weight: 800;
    font-size: 0.75rem;
    letter-spacing: 1.5px;
    border-radius: var(--radius-pill);
    margin-bottom: 16px;
    text-transform: uppercase;
}

.esa-official-logo-box {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
    max-width: 100%;
}

.esa-header-logo-png {
    height: clamp(34px, 6vw, 48px);
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
}

.product-title {
    font-size: clamp(1.4rem, 5.5vw, 2.75rem);
    font-weight: 800;
    color: #FFFFFF;
    margin: 0;
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
    line-height: 1.18;
}

.title-esale { color: #FFFFFF; }
.title-agreement { color: var(--bright-blue); }

.product-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 16px;
    word-break: break-word;
}

.product-desc {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.6;
    margin-bottom: 24px;
    word-break: break-word;
}

/* Feature Pills Grid */
.product-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 32px;
    width: 100%;
}

.feature-pill-box {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    font-weight: 600;
    color: #FFFFFF;
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
    box-sizing: border-box;
}

.feature-pill-box .pill-icon {
    color: var(--cyan-accent);
    font-size: 1.1rem;
}

.product-cta {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.btn-gradient-product {
    background: var(--gradient-blue);
    color: #FFFFFF;
    font-weight: 800;
    padding: 14px 28px;
    border-radius: var(--radius-pill);
    box-shadow: 0 6px 20px rgba(11, 94, 215, 0.4);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.store-buttons-wrap {
    display: flex;
    align-items: center;
    gap: 14px;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    background: #0F172A;
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    transition: var(--transition-fast);
}

.store-btn:hover {
    background: #1E293B;
    border-color: var(--bright-blue);
    transform: translateY(-2px);
}

.store-btn i { font-size: 1.5rem; }
.store-text { display: flex; flex-direction: column; line-height: 1.1; }
.store-text small { font-size: 0.65rem; opacity: 0.8; }
.store-text strong { font-size: 0.85rem; font-weight: 700; }

/* Single Clean Large Mobile Phone Showcase */
.product-mockup-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 0;
}

.single-phone-container-xl {
    position: relative;
    width: 100%;
    max-width: 380px;
    display: flex;
    justify-content: center;
}

.phones-glow-aura {
    position: absolute;
    inset: -35px;
    background: radial-gradient(circle, rgba(0, 242, 254, 0.4) 0%, rgba(11, 94, 215, 0.2) 50%, transparent 80%);
    filter: blur(45px);
    z-index: 1;
    pointer-events: none;
}

.single-mobile-mockup-xl {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 370px;
    background: #070B19;
    border-radius: 44px;
    border: 8px solid #070B19;
    box-shadow: 0 35px 80px rgba(0, 242, 254, 0.45);
    overflow: hidden;
    transition: var(--transition);
}

.single-mobile-mockup-xl:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 45px 95px rgba(0, 242, 254, 0.6);
}

.phone-screen-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 36px;
    object-fit: cover;
}

/* --------------------------------------------------------------------------
   8. SCREEN 04 — WHY BUSINESSES CHOOSE TRILOK
   -------------------------------------------------------------------------- */
.why-section {
    background-color: var(--bg-light);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.why-card {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    padding: 30px 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

.why-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(11, 94, 215, 0.25);
}

.why-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(11, 94, 215, 0.08);
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 20px auto;
    transition: var(--transition);
}

.why-card:hover .why-icon {
    background: var(--gradient-blue);
    color: #FFFFFF;
}

.why-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.why-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   9. SCREEN 05 — PRICING SECTION
   -------------------------------------------------------------------------- */
.pricing-section {
    background-color: #FFFFFF;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.pricing-card {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.pricing-card.featured {
    border: 2px solid var(--primary-blue);
    box-shadow: 0 12px 30px rgba(11, 94, 215, 0.15);
}

.pricing-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(11, 94, 215, 0.08);
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 20px;
}

.pricing-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 12px;
}

.pricing-amount {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.pricing-btn-container {
    text-align: center;
}

/* --------------------------------------------------------------------------
   10. SCREEN 06 — OUR RECENT WORK (PORTFOLIO)
   -------------------------------------------------------------------------- */
.portfolio-section {
    background-color: var(--bg-light);
}

.portfolio-filter-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 24px;
    border-radius: var(--radius-pill);
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-muted);
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
    cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-blue);
    color: #FFFFFF;
    border-color: var(--primary-blue);
    box-shadow: 0 4px 14px rgba(11, 94, 215, 0.25);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.project-card {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(11, 94, 215, 0.3);
}

.project-card-header {
    padding: 24px 24px 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.project-badge {
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 700;
    background: rgba(11, 94, 215, 0.08);
    color: var(--primary-blue);
    text-transform: uppercase;
}

.project-body {
    padding: 0 24px 24px 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 8px;
}

.project-domain {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--bright-blue);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.project-desc {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 20px;
    flex-grow: 1;
}

.project-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: var(--radius-pill);
    background: var(--bg-light);
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.project-card:hover .project-btn {
    background: var(--primary-blue);
    color: #FFFFFF;
    border-color: var(--primary-blue);
}

/* --------------------------------------------------------------------------
   11. SCREEN 07 — TECHNOLOGIES SECTION
   -------------------------------------------------------------------------- */
.tech-section {
    background-color: #FFFFFF;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.tech-card {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 24px 16px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.tech-card:hover {
    transform: translateY(-4px);
    background: #FFFFFF;
    box-shadow: var(--shadow-md);
    border-color: var(--bright-blue);
}

.tech-card i {
    font-size: 2.2rem;
    margin-bottom: 10px;
    display: block;
}

.tech-card span {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
}

.tech-highlight-card {
    background: var(--primary-navy);
    border-radius: var(--radius-lg);
    padding: 40px;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    box-shadow: 0 20px 40px rgba(7, 11, 25, 0.3);
}

.tech-highlight-info h3 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: #FFFFFF;
}

.tech-highlight-info p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    max-width: 600px;
}

/* --------------------------------------------------------------------------
   12. SCREEN 08 — INDUSTRIES WE SERVE
   -------------------------------------------------------------------------- */
.industries-section {
    background-color: var(--bg-light);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.industry-card {
    background: #FFFFFF;
    border-radius: var(--radius-md);
    padding: 28px 20px;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.industry-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-blue);
}

.industry-card i {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 14px;
    display: block;
}

.industry-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
}

/* --------------------------------------------------------------------------
   13. SCREEN 09 — TESTIMONIALS & CTA SECTION
   -------------------------------------------------------------------------- */
.testimonials-section {
    background-color: #FFFFFF;
}

.testimonial-slider {
    max-width: 780px;
    margin: 0 auto 60px auto;
    position: relative;
}

.testimonial-card {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.client-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 16px auto;
    border: 3px solid var(--primary-blue);
}

.client-quote {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-main);
    line-height: 1.6;
    margin-bottom: 20px;
    transition: opacity 0.3s ease;
}

.client-name {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-main);
}

.client-role {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.carousel-indicators {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #CBD5E1;
    cursor: pointer;
    transition: var(--transition-fast);
}

.dot.active {
    width: 28px;
    border-radius: var(--radius-pill);
    background: var(--primary-blue);
}

/* CTA Banner (Screen 09) */
.cta-banner {
    background: var(--gradient-blue);
    border-radius: 28px;
    padding: 50px 40px;
    color: #FFFFFF;
    text-align: center;
    box-shadow: var(--shadow-blue-glow);
}

.cta-banner h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 12px;
}

.cta-banner p {
    font-size: 1.1rem;
    opacity: 0.95;
    max-width: 580px;
    margin: 0 auto 30px auto;
}

.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   14. SCREEN 10 — PREMIUM FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
    background: var(--primary-navy);
    color: #FFFFFF;
    padding-top: 80px;
    padding-bottom: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-brand-desc {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.6;
    max-width: 320px;
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
}

.footer-socials {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}

.social-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.social-icon:hover {
    background: var(--primary-blue);
    transform: translateY(-2px);
}

.footer-col h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 20px;
    letter-spacing: 0.3px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col ul a {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

.footer-col ul a:hover {
    color: var(--bright-blue);
    padding-left: 4px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
    flex-wrap: wrap;
    gap: 16px;
}

.footer-legal-links {
    display: flex;
    gap: 20px;
}

.footer-legal-links a {
    color: rgba(255, 255, 255, 0.6);
}

.footer-legal-links a:hover {
    color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   15. MODAL POPUP SYSTEM
   -------------------------------------------------------------------------- */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(7, 11, 25, 0.82);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 560px;
    padding: 36px;
    position: relative;
    box-shadow: 0 25px 60px rgba(0,0,0,0.35);
    transform: scale(0.9);
    transition: var(--transition);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-backdrop.open .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1.25rem;
    color: var(--text-muted);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: #E2E8F0;
    color: var(--text-main);
}

.modal-header {
    margin-bottom: 24px;
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 6px;
}

.modal-header p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 6px;
}

.form-group label .req {
    color: #E11D48;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-light);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-main);
    transition: var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: #FFFFFF;
    box-shadow: 0 0 0 4px rgba(11, 94, 215, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* --------------------------------------------------------------------------
   16. RESPONSIVE BREAKPOINTS (320px to 1920px)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .nav-menu { display: none; }
    .mobile-toggle { display: flex; }

    .product-banner-card {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .tech-highlight-card {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .section { padding: 60px 0; }

    .navbar {
        padding: 10px 0;
    }

    .logo-header-img {
        height: 36px;
        max-width: 180px;
    }
    .logo-footer-img {
        height: 42px;
        max-width: 200px;
    }

    .hero-section {
        padding-top: 120px;
        padding-bottom: 40px;
    }

    .stats-counter-bar {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 24px;
    }

    .product-banner-card {
        padding: 28px 18px;
        border-radius: 24px;
        gap: 30px;
    }

    .product-features-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .feature-pill-box {
        padding: 10px 14px;
        font-size: 0.88rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container { padding: 0 14px; }

    .logo-header-img {
        height: 32px;
        max-width: 160px;
    }
    .logo-footer-img {
        height: 38px;
        max-width: 180px;
    }

    .nav-actions .btn {
        padding: 8px 14px;
        font-size: 0.82rem;
    }

    .mobile-toggle {
        width: 38px;
        height: 38px;
        font-size: 1.15rem;
    }

    .product-banner-card {
        padding: 20px 14px;
        border-radius: 20px;
    }

    .product-badge-tag {
        font-size: 0.7rem;
        padding: 4px 12px;
        margin-bottom: 12px;
    }

    .esa-official-logo-box {
        gap: 8px;
    }

    .esa-header-logo-png {
        height: 32px;
    }

    .product-title {
        font-size: 1.35rem;
    }

    .product-subtitle {
        font-size: 0.95rem;
        margin-bottom: 12px;
    }

    .product-desc {
        font-size: 0.88rem;
        margin-bottom: 18px;
    }

    .feature-pill-box {
        padding: 9px 12px;
        font-size: 0.82rem;
    }

    .btn {
        width: 100%;
        padding: 12px 20px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .store-buttons-wrap {
        flex-direction: column;
        width: 100%;
    }

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

/* ==========================================================================
   FLOATING WHATSAPP BUTTON & POPUP WIDGET
   ========================================================================== */
.whatsapp-float-container {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 99999;
    display: flex;
    align-items: center;
    gap: 12px;
}

.whatsapp-float-container.pos-left {
    right: auto;
    left: 28px;
    flex-direction: row-reverse;
}


.whatsapp-float-btn {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: #FFFFFF !important;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    outline: none;
}

.whatsapp-float-btn:hover {
    transform: scale(1.1) translateY(-4px);
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
    color: #FFFFFF !important;
}

.whatsapp-float-btn::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.35);
    z-index: -1;
    animation: waPulse 2s infinite;
}

@keyframes waPulse {
    0% {
        transform: scale(0.9);
        opacity: 0.9;
    }
    70% {
        transform: scale(1.35);
        opacity: 0;
    }
    100% {
        transform: scale(0.9);
        opacity: 0;
    }
}

.whatsapp-float-tooltip {
    background: #0F172A;
    color: #FFFFFF;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 20px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
    white-space: nowrap;
    border: 1px solid rgba(255, 255, 255, 0.15);
    opacity: 0.95;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    pointer-events: none;
}

.whatsapp-float-tooltip span.online-dot {
    width: 8px;
    height: 8px;
    background: #25D366;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px #25D366;
}

@media (max-width: 768px) {
    .whatsapp-float-container {
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-float-btn {
        width: 54px;
        height: 54px;
        font-size: 28px;
    }

    .whatsapp-float-tooltip {
        display: none;
    }
}