/* 
   TechBuild Nexus Professional Website Stylesheet
   Design System: Premium Corporate Tech
   Fonts: Poppins, Inter
   Color Theme: Dark Blue, Clean Slate, Cyan Accents
*/

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Brand Colors */
    --brand-primary: #0a407a;       /* Brand deep blue */
    --brand-secondary: #00bcd4;     /* Accent cyan */
    --brand-accent: #60c35f;        /* Trust green */
    --brand-orange: #ff9933;        /* Warn / Highlights */
    
    /* Premium Gradients */
    --gradient-hero: linear-gradient(135deg, #061f3d 0%, #0a407a 50%, #020617 100%);
    --gradient-card-hover: linear-gradient(135deg, rgba(10, 64, 122, 0.05) 0%, rgba(0, 188, 212, 0.05) 100%);
    --gradient-btn: linear-gradient(90deg, #0a407a 0%, #00bcd4 100%);
    --gradient-glow: radial-gradient(circle, rgba(0, 188, 212, 0.15) 0%, rgba(0,0,0,0) 70%);

    /* Theme Neutral Palette */
    --bg-main: #ffffff;
    --bg-soft: #f8fafc;             /* Slate 50 */
    --bg-dark: #0f172a;             /* Slate 900 */
    --bg-darker: #020617;           /* Slate 950 */
    
    /* Text Colors */
    --text-main: #1e293b;           /* Slate 800 */
    --text-muted: #64748b;          /* Slate 500 */
    --text-light: #f8fafc;
    --text-white: #ffffff;
    
    /* Borders & Shadows */
    --border-color: #e2e8f0;        /* Slate 200 */
    --border-hover: rgba(0, 188, 212, 0.4);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
    --shadow-premium: 0 20px 40px -15px rgba(10, 64, 122, 0.12);
    --shadow-card-hover: 0 30px 60px -15px rgba(0, 188, 212, 0.15);

    /* Animation Constants */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    --border-radius-sm: 6px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
}

/* --- Global Reset & Base Styles --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    color: var(--brand-primary);
    font-weight: 700;
    line-height: 1.3;
}

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

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

/* --- Core Layout Utilities --- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

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

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

.section-bg-dark h2 {
    color: var(--text-white);
}

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

.max-w-700 {
    max-width: 700px;
    margin: 0 auto;
}

.section-title-wrapper {
    margin-bottom: 60px;
}

.section-subtitle {
    font-size: 0.9rem;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--brand-secondary);
    margin-bottom: 12px;
    display: inline-block;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.section-bg-dark .section-desc {
    color: #94a3b8; /* Slate 400 */
}

/* --- Buttons & UI Elements --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    outline: none;
    gap: 8px;
}

.btn-primary {
    background-color: var(--brand-primary);
    color: var(--text-white);
    box-shadow: 0 4px 14px rgba(10, 64, 122, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(10, 64, 122, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--brand-primary);
    border: 2px solid var(--brand-primary);
}

.btn-secondary:hover {
    background-color: var(--brand-primary);
    color: var(--text-white);
    transform: translateY(-2px);
}

.btn-accent {
    background: var(--gradient-btn);
    color: var(--text-white);
    box-shadow: 0 4px 14px rgba(0, 188, 212, 0.3);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 188, 212, 0.5);
    filter: brightness(1.05);
}

.btn-white {
    background-color: var(--text-white);
    color: var(--brand-primary);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    background-color: var(--bg-soft);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* --- Sticky Header & Navigation --- */
.main-header {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 242, 0.5);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-normal);
}

.main-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
    padding: 5px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    transition: var(--transition-normal);
}

.main-header.scrolled .header-content {
    height: 70px;
}

.logo img {
    height: 48px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-normal);
}

.main-header.scrolled .logo img {
    height: 40px;
}

/* Nav Menu */
.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 8px;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-family: 'Poppins', sans-serif;
    font-weight: 550;
    font-size: 0.92rem;
    color: var(--text-main);
    padding: 10px 16px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link:hover {
    color: var(--brand-primary);
    background-color: rgba(10, 64, 122, 0.05);
}

.nav-link.active {
    color: var(--brand-primary);
    background-color: rgba(10, 64, 122, 0.08);
}

.nav-link i {
    font-size: 0.75rem;
    transition: var(--transition-fast);
}

/* Dropdown styling */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 15px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background-color: var(--bg-main);
    min-width: 280px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-premium);
    border: 1px solid var(--border-color);
    padding: 12px;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
    z-index: 1001;
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background-color: var(--bg-main);
    border-top: 1px solid var(--border-color);
    border-left: 1px solid var(--border-color);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.dropdown:hover .nav-link i {
    transform: rotate(180deg);
}

.dropdown-item {
    font-family: 'Poppins', sans-serif;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-main);
    padding: 10px 14px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition-fast);
}

.dropdown-item i {
    font-size: 1rem;
    color: var(--brand-secondary);
    width: 20px;
    text-align: center;
}

.dropdown-item:hover {
    background-color: var(--bg-soft);
    color: var(--brand-primary);
    transform: translateX(4px);
}

/* Mobile Nav Toggler */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1010;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--brand-primary);
    position: relative;
    transition: var(--transition-normal);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--brand-primary);
    transition: var(--transition-normal);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

/* --- Hero Showcase / Sections --- */
.hero-wrapper {
    background: var(--gradient-hero);
    position: relative;
    color: var(--text-white);
    padding: 140px 0 100px;
    overflow: hidden;
}

.hero-glow-1 {
    position: absolute;
    top: -20%;
    left: -10%;
    width: 60%;
    height: 80%;
    background: var(--gradient-glow);
    filter: blur(100px);
    pointer-events: none;
}

.hero-glow-2 {
    position: absolute;
    bottom: -20%;
    right: -10%;
    width: 50%;
    height: 70%;
    background: var(--gradient-glow);
    filter: blur(100px);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 5;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-white);
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-title span {
    background: linear-gradient(135deg, #00bcd4 0%, #60c35f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text {
    font-size: 1.25rem;
    color: #cbd5e1; /* Slate 300 */
    margin-bottom: 36px;
    max-width: 600px;
}

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

/* Premium Visual Element */
.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px dashed rgba(0, 188, 212, 0.2);
    border-radius: 50%;
    animation: rotate 60s linear infinite;
}

.hero-shapes-2 {
    position: absolute;
    width: 80%;
    height: 80%;
    border: 1px dashed rgba(96, 195, 95, 0.25);
    border-radius: 50%;
    animation: rotate-reverse 40s linear infinite;
}

.hero-card-floating {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 440px;
}

.floating-badge {
    position: absolute;
    background: rgba(0, 188, 212, 0.2);
    border: 1px solid rgba(0, 188, 212, 0.4);
    padding: 8px 16px;
    border-radius: 50px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--brand-secondary);
    top: -15px;
    left: 30px;
    backdrop-filter: blur(8px);
}

.hero-card-title {
    font-size: 1.5rem;
    color: var(--text-white);
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-stat-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.hero-stat-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-md);
    padding: 16px;
    text-align: center;
    transition: var(--transition-normal);
}

.hero-stat-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(0, 188, 212, 0.3);
    transform: translateY(-4px);
}

.hero-stat-num {
    font-family: 'Poppins', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--brand-secondary);
    display: block;
    margin-bottom: 4px;
}

.hero-stat-lbl {
    font-size: 0.8rem;
    color: #94a3b8;
    font-weight: 500;
}

/* Inner Page Hero (Banner) */
.inner-hero {
    background: var(--gradient-hero);
    color: var(--text-white);
    padding: 100px 0 70px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.inner-hero h1 {
    color: var(--text-white);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.breadcrumbs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    color: #cbd5e1;
}

.breadcrumbs a {
    color: var(--brand-secondary);
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

.breadcrumbs span {
    color: #64748b;
}

/* --- Brand Intro Banner Section --- */
.intro-banner {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.intro-image-container {
    background-color: var(--bg-soft);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-premium);
    border: 1px solid rgba(226, 232, 242, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
}

.intro-image-container img {
    max-height: 180px;
    width: auto;
    filter: drop-shadow(0 10px 20px rgba(10,64,122,0.1));
}

.intro-content-text p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.intro-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 30px;
}

.intro-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    color: var(--brand-primary);
}

.intro-feature-item i {
    color: var(--brand-accent);
    font-size: 1.25rem;
}

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

.service-card {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 40px 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background-color: var(--brand-secondary);
    transition: var(--transition-normal);
}

.service-card-icon {
    font-size: 2.75rem;
    color: var(--brand-primary);
    margin-bottom: 24px;
    transition: var(--transition-normal);
    display: inline-block;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 16px;
    transition: var(--transition-normal);
}

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

.service-card-benefits {
    list-style: none;
    margin-bottom: 30px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.service-card-benefits li {
    font-size: 0.88rem;
    color: var(--text-main);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-card-benefits li i {
    color: var(--brand-accent);
    font-size: 0.9rem;
}

.service-card-cta {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--brand-primary);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
}

.service-card-cta i {
    font-size: 0.8rem;
    transition: var(--transition-fast);
}

/* Card Hover States */
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
    border-color: transparent;
    background: var(--gradient-card-hover);
}

.service-card:hover::before {
    height: 100%;
}

.service-card:hover .service-card-icon {
    color: var(--brand-secondary);
    transform: scale(1.1);
}

.service-card:hover .service-card-cta {
    color: var(--brand-secondary);
}

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

/* Icon classes from theme */
.icon-primary { color: var(--brand-primary); }
.icon-secondary { color: var(--brand-secondary); }
.icon-accent { color: var(--brand-accent); }
.icon-orange { color: var(--brand-orange); }

/* --- Why Choose Us Section --- */
.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.why-left-content h3 {
    font-size: 1.75rem;
    margin-bottom: 20px;
}

.why-features-list {
    margin-top: 32px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.why-feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.why-feature-icon {
    background-color: rgba(10, 64, 122, 0.08);
    color: var(--brand-primary);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
    transition: var(--transition-normal);
}

.why-feature-item:hover .why-feature-icon {
    background-color: var(--brand-primary);
    color: var(--text-white);
}

.why-feature-text h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.why-feature-text p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Why Right visual block */
.why-right-visual {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-premium);
    aspect-ratio: 4/3;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
}

.why-badge-glow {
    position: absolute;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(0, 188, 212, 0.3) 0%, transparent 75%);
    filter: blur(30px);
}

.why-overlay-info {
    position: relative;
    z-index: 5;
    text-align: center;
    color: var(--text-white);
    padding: 40px;
}

.why-overlay-info i {
    font-size: 4rem;
    color: var(--brand-secondary);
    margin-bottom: 24px;
}

.why-overlay-info h4 {
    color: var(--text-white);
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.why-overlay-info p {
    font-size: 1.1rem;
    color: #cbd5e1;
}

/* --- Solutions Layout (Interactive Tabs) --- */
.solutions-tabs-wrapper {
    margin-top: 40px;
}

.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    list-style: none;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    flex-wrap: wrap;
}

.tab-btn {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-muted);
    background: none;
    border: none;
    padding: 12px 24px;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-normal);
}

.tab-btn:hover {
    color: var(--brand-primary);
    background-color: var(--bg-soft);
}

.tab-btn.active {
    color: var(--text-white);
    background-color: var(--brand-primary);
    box-shadow: 0 4px 12px rgba(10, 64, 122, 0.25);
}

.tabs-content {
    margin-top: 50px;
}

.tab-pane {
    display: none;
    grid-template-columns: 1fr;
    gap: 50px;
    align-items: center;
    animation: fadeIn var(--transition-slow);
}

.tab-pane.active {
    display: grid;
}

.pane-left h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.pane-left p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 30px;
    line-height: 1.7;
}

.pane-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 36px;
}

.pane-feature-card {
    background-color: var(--bg-soft);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: var(--border-radius-md);
}

.pane-feature-card i {
    font-size: 1.5rem;
    color: var(--brand-secondary);
    margin-bottom: 12px;
}

.pane-feature-card h4 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.pane-feature-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0;
    line-height: 1.4;
}



/* --- Partner Logos Section --- */
.partners-section {
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-soft);
}

.partners-slider {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.partner-logo {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-muted);
    opacity: 0.6;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 8px;
}

.partner-logo:hover {
    opacity: 1;
    color: var(--brand-primary);
    transform: scale(1.05);
}

.partner-logo i {
    font-size: 1.75rem;
}

/* --- Testimonials Section (Carousel) --- */
.testimonial-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial-track {
    display: flex;
    transition: transform var(--transition-slow);
    width: 100%;
}

.testimonial-slide {
    min-width: 100%;
    padding: 20px 40px;
    box-sizing: border-box;
}

.testimonial-card {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 50px 40px;
    box-shadow: var(--shadow-premium);
    text-align: center;
    position: relative;
}

.quote-icon {
    font-size: 3rem;
    color: rgba(0, 188, 212, 0.15);
    position: absolute;
    top: 20px;
    left: 40px;
}

.testimonial-text {
    font-size: 1.25rem;
    color: var(--text-main);
    line-height: 1.7;
    margin-bottom: 30px;
    font-style: italic;
}

.testimonial-author-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--gradient-btn);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 16px;
}

.author-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--brand-primary);
    margin-bottom: 4px;
}

.author-role {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* Testimonial Nav dots */
.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 30px;
}

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

.dot.active {
    background-color: var(--brand-primary);
    width: 24px;
    border-radius: 5px;
}

/* --- About Page Components --- */
.mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 80px;
}

.mission-card {
    background-color: var(--bg-soft);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 50px 40px;
    position: relative;
    overflow: hidden;
}

.mission-card::after {
    content: '';
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(10, 64, 122, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.mission-card-icon {
    background-color: var(--brand-primary);
    color: var(--text-white);
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.mission-card-icon.accent-orange {
    background-color: var(--brand-orange);
}

.mission-card h3 {
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.mission-card p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Values Component */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.value-item {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 36px 30px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(10, 64, 122, 0.15);
}

.value-item-icon {
    width: 64px;
    height: 64px;
    background-color: rgba(10, 64, 122, 0.06);
    color: var(--brand-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 1.5rem;
    transition: var(--transition-normal);
}

.value-item:hover .value-item-icon {
    background-color: var(--brand-primary);
    color: var(--text-white);
}

.value-item h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.value-item p {
    font-size: 0.92rem;
    color: var(--text-muted);
}

/* Leadership Bios */
.leaders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.leader-card {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

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

.leader-avatar-box {
    aspect-ratio: 1;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    position: relative;
}

.leader-avatar-box i {
    font-size: 6rem;
    opacity: 0.2;
}

.leader-initials {
    position: absolute;
    font-family: 'Poppins', sans-serif;
    font-size: 4rem;
    font-weight: 800;
    opacity: 0.8;
}

.leader-info {
    padding: 30px;
}

.leader-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.leader-role {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--brand-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.leader-bio {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.leader-socials {
    display: flex;
    gap: 12px;
}

.leader-socials a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.leader-socials a:hover {
    background-color: var(--brand-primary);
    color: var(--text-white);
    border-color: var(--brand-primary);
}

/* --- Call to Action Bar --- */
.cta-banner {
    background: var(--gradient-hero);
    color: var(--text-white);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 188, 212, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.cta-banner h2 {
    color: var(--text-white);
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-banner p {
    font-size: 1.2rem;
    color: #cbd5e1;
    margin-bottom: 36px;
}

/* --- Contact Page Styles --- */
.contact-layout {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: flex-start;
}

.contact-meta-info h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.contact-channels {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

.channel-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 24px;
    background-color: var(--bg-soft);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
}

.channel-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    background-color: var(--brand-primary);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.channel-detail h4 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.channel-detail p {
    font-size: 0.92rem;
    color: var(--text-muted);
}

.channel-detail a:hover {
    color: var(--brand-primary);
    text-decoration: underline;
}

/* Interactive Map Container */
.map-outer {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.map-outer iframe {
    filter: grayscale(0.2) contrast(1.1);
}

/* Contact Form UI */
.contact-card-form {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 50px 40px;
    box-shadow: var(--shadow-premium);
}

.contact-card-form h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.contact-card-form > p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 36px;
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-field label {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    background-color: var(--bg-soft);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-main);
    transition: var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--brand-secondary);
    background-color: var(--bg-main);
    box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.1);
}

.form-textarea {
    resize: vertical;
}

.form-message-status {
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
    display: none;
}

.form-message-status.success {
    display: block;
    background-color: rgba(34, 197, 94, 0.1);
    color: #15803d;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.form-message-status.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.1);
    color: #b91c1c;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* --- Premium Footer --- */
.premium-footer {
    background-color: var(--bg-darker);
    color: #94a3b8; /* Slate 400 */
    padding: 80px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
    gap: 48px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-logo img {
    height: 50px;
    margin-bottom: 20px;
}

.footer-brand-desc {
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 24px;
}

.footer-social-links {
    display: flex;
    gap: 12px;
}

.footer-social-links a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    color: #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.footer-social-links a:hover {
    background-color: var(--brand-secondary);
    color: var(--text-white);
    transform: translateY(-3px);
}

.footer-heading {
    font-family: 'Poppins', sans-serif;
    color: var(--text-white);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 24px;
    position: relative;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--brand-secondary);
}

.footer-links-list {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.footer-links-list a {
    font-size: 0.92rem;
    color: #94a3b8;
}

.footer-links-list a:hover {
    color: var(--brand-secondary);
    transform: translateX(4px);
}

.footer-contact-details {
    list-style: none;
}

.footer-contact-details li {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 0.92rem;
    align-items: flex-start;
}

.footer-contact-details li i {
    color: var(--brand-secondary);
    font-size: 1rem;
    margin-top: 4px;
}

.footer-contact-details li a:hover {
    color: var(--brand-secondary);
}

.footer-bottom-strip {
    padding: 30px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.88rem;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-copyright a {
    color: var(--brand-secondary);
    font-weight: 500;
}

.footer-copyright a:hover {
    text-decoration: underline;
}

.footer-legal-links {
    display: flex;
    gap: 24px;
}

.footer-legal-links a:hover {
    color: var(--brand-secondary);
}

/* --- Scroll Reveal Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Responsive Media Queries --- */

/* Tablet/Desktop adjustments (up to 1024px) */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-text {
        margin: 0 auto 30px;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-image-wrapper {
        margin-top: 20px;
    }
    
    .intro-banner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .intro-image-container {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .why-right-visual {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .tab-pane {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .mission-vision-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-top-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

/* Tablet & Burger Menu Layout (up to 992px) */
@media (max-width: 992px) {
    .mobile-nav-toggle {
        display: block;
    }
    
    .nav-list {
        position: fixed;
        top: 80px;
        right: -340px; /* Hidden offscreen with space for shadow */
        left: auto;
        width: 300px;
        height: calc(100vh - 80px);
        background-color: var(--bg-main);
        flex-direction: column;
        align-items: stretch;
        padding: 30px 24px;
        gap: 16px;
        overflow-y: auto;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
        transition: var(--transition-normal);
        z-index: 999;
    }
    
    .main-header.scrolled .nav-list {
        top: 70px;
        height: calc(100vh - 70px);
    }
    
    .nav-list.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.1rem;
        padding: 12px 16px;
        border-radius: var(--border-radius-sm);
        justify-content: space-between;
    }
    
    /* Dropdown inside Mobile menu */
    .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        pointer-events: auto;
        display: none;
        box-shadow: none;
        border: none;
        background-color: var(--bg-soft);
        margin-top: 8px;
        padding: 8px;
        min-width: 100%;
    }
    
    .dropdown-menu::before {
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: grid;
    }
    
    .dropdown.active .nav-link i {
        transform: rotate(180deg);
    }
}

/* Mobile & Small Screens Layout (up to 768px) */
@media (max-width: 768px) {
    .footer-top-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-strip {
        flex-direction: column;
        text-align: center;
    }
    
    .form-group-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .partner-logo {
        font-size: 1.25rem;
    }
    
    .partners-slider {
        justify-content: center;
        gap: 24px;
    }
    
    /* Horizontal Scrollable Tabs */
    .tabs-nav {
        justify-content: flex-start;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 12px;
        margin-bottom: 20px;
        scrollbar-width: none;
    }
    
    .tabs-nav::-webkit-scrollbar {
        display: none;
    }
    
    .tab-btn {
        white-space: nowrap;
        padding: 8px 16px;
    }
    
    /* Stack features inside pane */
    .pane-features {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .inner-hero h1 {
        font-size: 2.25rem;
    }
}

/* Extra Small Mobile Devices (up to 576px) */
@media (max-width: 576px) {
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.95rem;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .inner-hero h1 {
        font-size: 1.85rem;
    }
}

/* Ultra Small Mobile Devices (up to 480px) */
@media (max-width: 480px) {
    .hero-card-floating {
        padding: 24px 20px;
    }
    
    .hero-stat-list {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .hero-stat-item {
        padding: 12px;
    }
    
    .hero-stat-num {
        font-size: 1.75rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
}

/* Burger Animation */
.mobile-nav-toggle.active .hamburger {
    background-color: transparent;
}

.mobile-nav-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.mobile-nav-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}