/* ==========================================================================
   Blessed Obiora ICT Limited - Core Design System & Styling
   ========================================================================== */

/* Design Tokens & Theme Variables */
:root {
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Dark Mode Palette */
    --color-bg-deep: #06070a;
    --color-bg-base: #0b0c13;
    --color-bg-card: rgba(18, 20, 32, 0.7);
    --color-bg-card-hover: rgba(26, 29, 46, 0.85);
    
    --color-primary: #3b82f6;          /* Neon Tech Blue */
    --color-primary-glow: rgba(59, 130, 246, 0.35);
    --color-secondary: #8b5cf6;        /* Cyber Violet */
    --color-secondary-glow: rgba(139, 92, 246, 0.3);
    --color-accent: #06b6d4;           /* Electric Cyan */
    --color-accent-glow: rgba(6, 182, 212, 0.3);
    
    --color-text-primary: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(255, 255, 255, 0.18);
    --border-gradient: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    
    /* Layout Tokens */
    --max-width: 1280px;
    --header-height: 80px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--color-bg-deep);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

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

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

ul {
    list-style: none;
}

/* Scrollbar customization */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-deep);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    border: 2px solid var(--color-bg-deep);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Ambient Background Glow Elements */
.glow-bg {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    pointer-events: none;
    z-index: -1;
    opacity: 0.25;
    mix-blend-mode: screen;
}
.glow-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 70%);
    top: -100px;
    left: -100px;
}
.glow-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-secondary-glow) 0%, transparent 70%);
    top: 35%;
    right: -100px;
}
.glow-3 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
    bottom: 50px;
    left: 20%;
}

/* Layout Utilities */
.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
}

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

/* Glassmorphism Styles */
.glass-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    transition: var(--transition-smooth);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #fff;
    border: none;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
    filter: brightness(1.1);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-color-hover);
    transform: translateY(-2px);
}

.btn-glow::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 60%);
    opacity: 0;
    transition: var(--transition-smooth);
    transform: scale(0.5);
    pointer-events: none;
}
.btn-glow:hover::after {
    opacity: 1;
    transform: scale(1);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-block {
    width: 100%;
}

/* Text Gradients */
.gradient-text {
    background: linear-gradient(135deg, #3b82f6 0%, #a855f7 50%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.accent-text {
    color: var(--color-primary);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 6px 16px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 50px;
    margin-bottom: 20px;
}

/* Section Header styling */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 60px;
}
.section-subtitle {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    display: block;
    margin-bottom: 12px;
}
.section-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
}
.section-description {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
}

/* Header & Navigation */
.navbar-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    display: flex;
    align-items: center;
    z-index: 1000;
    transition: var(--transition-smooth);
    border-bottom: 1px solid transparent;
}
.navbar-header.sticky {
    background: rgba(6, 7, 10, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    height: 70px;
}

.nav-container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
}
.logo-icon {
    font-size: 1.6rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: rotateIcon 12s linear infinite;
}
.logo-img {
    height: 36px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-smooth);
}
.logo:hover .logo-img {
    transform: scale(1.05) rotate(5deg);
}
@keyframes rotateIcon {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    padding: 6px 0;
}
.nav-link:hover, .nav-link.active {
    color: var(--color-text-primary);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transition: var(--transition-smooth);
}
.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Hamburger toggle menu */
.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    z-index: 1002;
}
.hamburger-btn .bar {
    width: 100%;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(6, 7, 10, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateY(-100%);
    transition: var(--transition-slow);
    opacity: 0;
}
.mobile-nav-overlay.active {
    transform: translateY(0);
    opacity: 1;
}
.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}
.mobile-link {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text-secondary);
}
.mobile-link:hover {
    color: var(--color-primary);
}
.mobile-cta {
    margin-top: 20px;
}

/* Hamburger toggle active animations */
.hamburger-btn.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.hamburger-btn.active .bar:nth-child(2) {
    opacity: 0;
}
.hamburger-btn.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    min-height: 100vh;
    padding-top: 150px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 40px;
    flex-grow: 1;
}
.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}
.hero-description {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 580px;
}
.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Hero Visual Graphic (glowing tech shapes) */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}
.visual-container {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.visual-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px dashed rgba(255, 255, 255, 0.08);
}
.visual-circle.outer {
    width: 380px;
    height: 380px;
    animation: spinDashed 40s linear infinite;
}
.visual-circle.middle {
    width: 280px;
    height: 280px;
    border-style: solid;
    border-color: rgba(59, 130, 246, 0.1);
    animation: spinDashedReverse 25s linear infinite;
}
.visual-circle.inner {
    width: 180px;
    height: 180px;
    border: 1px solid rgba(139, 92, 246, 0.15);
    background: radial-gradient(circle, rgba(13, 15, 27, 0.6) 0%, transparent 100%);
}

@keyframes spinDashed {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
@keyframes spinDashedReverse {
    from { transform: rotate(360deg); }
    to { transform: rotate(0deg); }
}

/* Tech float cards inside Hero */
.tech-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(18, 20, 32, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 12px 20px;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transition: var(--transition-smooth);
}
.tech-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
}
.tech-card .card-icon {
    font-size: 1.4rem;
    color: var(--color-primary);
    background: rgba(59, 130, 246, 0.1);
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}
.tech-card .card-details .title {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
}
.tech-card .card-details .subtitle {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.tech-card.c1 {
    top: 15%;
    left: -20px;
    animation: float1 6s ease-in-out infinite;
}
.tech-card.c2 {
    bottom: 15%;
    right: -20px;
    border-color: rgba(139, 92, 246, 0.3);
    animation: float2 7s ease-in-out infinite;
}
.tech-card.c2 .card-icon {
    color: var(--color-secondary);
    background: rgba(139, 92, 246, 0.1);
}
.tech-card.c3 {
    top: 50%;
    left: 60%;
    transform: translate(-50%, -50%);
    border-color: rgba(6, 182, 212, 0.3);
    animation: float3 8s ease-in-out infinite;
}
.tech-card.c3 .card-icon {
    color: var(--color-accent);
    background: rgba(6, 182, 212, 0.1);
}

@keyframes float1 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(1deg); }
}
@keyframes float2 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px) rotate(-1deg); }
}
@keyframes float3 {
    0%, 100% { transform: translate(-50%, -50%) translateY(0); }
    50% { transform: translate(-50%, -50%) translateY(-10px); }
}

/* Banner section of Hero */
.hero-banner {
    background: rgba(11, 12, 19, 0.4);
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
    margin-top: 80px;
}
.banner-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.banner-item {
    display: flex;
    align-items: center;
    gap: 16px;
}
.banner-icon {
    font-size: 1.6rem;
    color: var(--color-primary);
    background: rgba(59, 130, 246, 0.15);
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}
.banner-text h4 {
    font-size: 1rem;
    margin-bottom: 2px;
}
.banner-text p {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}
.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.04), rgba(139, 92, 246, 0.04));
    opacity: 0;
    transition: var(--transition-smooth);
}
.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 30px rgba(59, 130, 246, 0.05);
}
.service-card:hover::before {
    opacity: 1;
}

/* Glowing Border Effect for Cards */
.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}
.card-glow::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}
.service-card:hover .card-glow::after {
    transform: scaleX(1);
}

.service-image-container {
    width: 100%;
    height: 160px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
    position: relative;
    background: #090a0f;
}
.service-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}
.service-card:hover .service-image {
    transform: scale(1.06);
    filter: brightness(1.1);
}
.service-image-container.jamb-logo-bg,
.service-image-container.logo-card-bg {
    background: #ffffff;
}
.service-image.contain {
    object-fit: contain;
    padding: 16px;
}

/* Icon-only service image containers (BVN, TIN, CAC, Software Dev, Newspaper) */
.service-icon-large {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4.5rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(139, 92, 246, 0.08));
    color: var(--color-primary);
    transition: var(--transition-smooth);
}
.service-card:hover .service-icon-large {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.18), rgba(139, 92, 246, 0.15));
    color: var(--color-accent);
    font-size: 5rem;
}


.service-icon {
    font-size: 2rem;
    color: var(--color-primary);
    background: rgba(59, 130, 246, 0.1);
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: var(--transition-smooth);
}
.service-card:hover .service-icon {
    background: var(--color-primary);
    color: #fff;
    transform: scale(1.1);
    box-shadow: 0 0 15px var(--color-primary-glow);
}

.service-title {
    font-size: 1.4rem;
    margin-bottom: 16px;
}
.service-desc {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.service-features li {
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-primary);
}
.service-features li i {
    color: var(--color-accent);
}

/* ==========================================================================
   Stats Section
   ========================================================================== */
.stats-section {
    background: linear-gradient(180deg, rgba(6,7,10,0.5) 0%, rgba(11,12,19,0.7) 100%);
    border-y: 1px solid var(--border-color);
    padding: 60px 0;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    text-align: center;
}
.stat-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-text-primary);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.stat-suffix {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-primary);
    vertical-align: super;
}
.stat-label {
    display: block;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 8px;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 80px;
}
.about-desc {
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    font-size: 1rem;
}
.about-metrics {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 30px;
}
.metric-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}
.metric-item .icon {
    font-size: 1.3rem;
    color: var(--color-primary);
    background: rgba(59, 130, 246, 0.1);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.metric-item h5 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}
.metric-item p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* High-tech values matrix (glowing grids) */
.value-matrix {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.matrix-cell {
    position: relative;
    padding: 30px 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: var(--transition-smooth);
}
.matrix-cell::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, transparent, rgba(59, 130, 246, 0.1));
    border-radius: 50% 0 0 0;
    transition: var(--transition-smooth);
}
.matrix-cell:hover {
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-5px);
}
.matrix-cell:hover::after {
    background: linear-gradient(135deg, transparent, rgba(59, 130, 246, 0.3));
    width: 60px;
    height: 60px;
}
.cell-icon {
    font-size: 1.8rem;
    color: var(--color-primary);
    display: block;
    margin-bottom: 16px;
}
.matrix-cell:nth-child(2) .cell-icon {
    color: var(--color-secondary);
}
.matrix-cell:nth-child(3) .cell-icon {
    color: var(--color-accent);
}
.matrix-cell:nth-child(4) .cell-icon {
    color: #10b981;
}

.matrix-cell h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}
.matrix-cell p {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

/* ==========================================================================
   Portfolio Section
   ========================================================================== */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}
.filter-btn {
    padding: 10px 24px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 50px;
    color: var(--color-text-secondary);
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
    transition: var(--transition-smooth);
}
.filter-btn:hover {
    color: var(--color-text-primary);
    border-color: var(--border-color-hover);
}
.filter-btn.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #fff;
    border: none;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.25);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 30px;
}
.portfolio-item {
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}
.portfolio-item:hover {
    transform: translateY(-8px);
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

/* Image placeholders with premium gradients */
.portfolio-image-placeholder {
    height: 200px;
    overflow: hidden;
    position: relative;
}
.visual-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    color: rgba(255, 255, 255, 0.85);
    transition: var(--transition-smooth);
}
.portfolio-item:hover .visual-placeholder {
    transform: scale(1.08);
}

/* Color gradients for placeholders */
.grad-blue-purple { background: linear-gradient(135deg, #1e3a8a, #581c87); }
.grad-purple-pink { background: linear-gradient(135deg, #4c1d95, #831843); }
.grad-emerald-teal { background: linear-gradient(135deg, #064e3b, #115e59); }
.grad-orange-red { background: linear-gradient(135deg, #7c2d12, #991b1b); }
.grad-indigo-cyan { background: linear-gradient(135deg, #312e81, #164e63); }
.grad-dark-cyan { background: linear-gradient(135deg, #111827, #0f766e); }

.portfolio-info {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.project-tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 10px;
}
.project-title {
    font-size: 1.3rem;
    margin-bottom: 12px;
}
.project-summary {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    margin-bottom: 24px;
}
.project-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.project-link i {
    transition: var(--transition-fast);
}
.project-link:hover i {
    transform: translateX(5px);
}

/* Filter Hide/Show transitions */
.portfolio-item.hide {
    display: none;
}

/* ==========================================================================
   Testimonials Section
   ========================================================================== */
.testimonials-slider-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
}
.testimonials-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.testimonial-card {
    min-width: 100%;
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 50px;
    position: relative;
    box-sizing: border-box;
}
.quote-icon {
    position: absolute;
    top: 40px;
    right: 50px;
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.02);
    pointer-events: none;
}
.stars {
    color: #fbbf24;
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
}
.stars i {
    font-size: 0.95rem;
}
.testimonial-text {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--color-text-primary);
    margin-bottom: 30px;
    font-weight: 400;
}
.client-details {
    display: flex;
    align-items: center;
    gap: 16px;
}
.client-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
}
.client-name {
    font-size: 1rem;
    font-weight: 600;
}
.client-role {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 30px;
}
.dot {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-smooth);
}
.dot:hover {
    background: rgba(255, 255, 255, 0.4);
}
.dot.active {
    background: var(--color-primary);
    width: 24px;
    border-radius: 4px;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-container {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 80px;
    align-items: center;
}
.contact-intro {
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    font-size: 1.05rem;
}
.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.method-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: rgba(255,255,255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-smooth);
}
.method-card:hover {
    border-color: rgba(59, 130, 246, 0.2);
    background: rgba(255,255,255,0.04);
}
.method-icon {
    font-size: 1.4rem;
    color: var(--color-primary);
    background: rgba(59, 130, 246, 0.15);
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}
.method-details span {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}
.method-details strong {
    font-size: 1rem;
    color: var(--color-text-primary);
}

/* Form Styles */
.glass-form {
    background: var(--color-bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 50px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: relative;
    overflow: hidden;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.input-group {
    position: relative;
    width: 100%;
}
.input-group input, 
.input-group textarea, 
.input-group select {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    outline: none;
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}
.input-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
}

.input-group label {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    pointer-events: none;
    transition: var(--transition-smooth);
    font-size: 0.95rem;
}

/* Floating labels effect */
.input-group input:focus ~ label,
.input-group input:not(:placeholder-shown) ~ label,
.input-group textarea:focus ~ label,
.input-group textarea:not(:placeholder-shown) ~ label,
.input-group select:focus ~ label,
.input-group select:valid ~ label {
    top: 0;
    left: 12px;
    font-size: 0.75rem;
    color: var(--color-primary);
    background: var(--color-bg-base);
    padding: 2px 8px;
    border-radius: 4px;
}

.input-group .select-label {
    top: 50%;
}
.input-group select:focus ~ .select-label,
.input-group select:valid ~ .select-label {
    top: 0;
}

/* Custom glowing focus lines */
.input-focus-line {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transition: var(--transition-smooth);
}
.input-group input:focus ~ .input-focus-line,
.input-group textarea:focus ~ .input-focus-line,
.input-group select:focus ~ .input-focus-line {
    width: 100%;
    left: 0;
}

.input-group input:focus, 
.input-group textarea:focus, 
.input-group select:focus {
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

/* Loader style inside submit */
.btn-loader {
    display: none;
}
.btn.loading .btn-text {
    display: none;
}
.btn.loading .btn-loader {
    display: inline-block;
    font-size: 1.2rem;
}

/* ==========================================================================
   Interactive Success Modal
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(6, 7, 10, 0.85);
    backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}
.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}
.modal-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-md);
    padding: 40px;
    max-width: 440px;
    text-align: center;
    box-shadow: 0 25px 50px rgba(0,0,0,0.6);
    transform: translateY(30px) scale(0.95);
    transition: var(--transition-smooth);
}
.modal-overlay.active .modal-card {
    transform: translateY(0) scale(1);
}
.modal-success-icon {
    font-size: 4rem;
    color: #10b981;
    margin-bottom: 20px;
    animation: pulseIcon 1.5s ease infinite;
}
@keyframes pulseIcon {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}
.modal-title {
    font-size: 1.6rem;
    margin-bottom: 12px;
}
.modal-desc {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 30px;
    line-height: 1.5;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: #030406;
    border-top: 1px solid var(--border-color);
    padding: 80px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}
.footer-brand .logo {
    margin-bottom: 20px;
}
.footer-desc {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 24px;
    max-width: 300px;
}
.footer-socials {
    display: flex;
    gap: 12px;
}
.footer-socials a {
    width: 42px;
    height: 42px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    font-size: 1.2rem;
}
.footer-socials a:hover {
    transform: translateY(-2px);
}
.footer-socials a.linkedin {
    color: #0077b5;
    border-color: rgba(0, 119, 181, 0.35);
    background: rgba(0, 119, 181, 0.08);
}
.footer-socials a.linkedin:hover {
    color: #ffffff;
    border-color: #0077b5;
    background: #0077b5;
    box-shadow: 0 4px 12px rgba(0, 119, 181, 0.3);
}
.footer-socials a.twitter {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.08);
}
.footer-socials a.twitter:hover {
    color: #000000;
    border-color: #ffffff;
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}
.footer-socials a.github {
    color: #f0f6fc;
    border-color: rgba(240, 246, 252, 0.25);
    background: rgba(240, 246, 252, 0.08);
}
.footer-socials a.github:hover {
    color: #0d1117;
    border-color: #f0f6fc;
    background: #f0f6fc;
    box-shadow: 0 4px 12px rgba(240, 246, 252, 0.2);
}
.footer-socials a.facebook {
    color: #1877f2;
    border-color: rgba(24, 119, 242, 0.35);
    background: rgba(24, 119, 242, 0.08);
}
.footer-socials a.facebook:hover {
    color: #ffffff;
    border-color: #1877f2;
    background: #1877f2;
    box-shadow: 0 4px 12px rgba(24, 119, 242, 0.3);
}
.footer-socials a.whatsapp {
    color: #25d366;
    border-color: rgba(37, 211, 102, 0.35);
    background: rgba(37, 211, 102, 0.08);
}
.footer-socials a.whatsapp:hover {
    color: #ffffff;
    border-color: #25d366;
    background: #25d366;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.footer-links h4, 
.footer-newsletter h4 {
    font-size: 1.05rem;
    margin-bottom: 24px;
}
.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-links a {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}
.footer-links a:hover {
    color: var(--color-primary);
    padding-left: 4px;
}

.footer-newsletter p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}
.newsletter-form {
    display: flex;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
}
.newsletter-form input {
    flex-grow: 1;
    padding: 12px 16px;
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    font-family: inherit;
    font-size: 0.9rem;
}
.newsletter-form button {
    padding: 12px 20px;
    background: var(--color-primary);
    color: #fff;
    transition: var(--transition-fast);
}
.newsletter-form button:hover {
    filter: brightness(1.1);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
}
.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}
.footer-bottom-links {
    display: flex;
    gap: 24px;
}
.footer-bottom-links a:hover {
    color: var(--color-text-secondary);
}

/* ==========================================================================
   Scroll Reveal Animations
   ========================================================================== */
.reveal-item {
    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-item.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Default Animation on Page Load */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
.hero-content .fade-in-up:nth-child(1) { animation-delay: 0.1s; }
.hero-content .fade-in-up:nth-child(2) { animation-delay: 0.2s; }
.hero-content .fade-in-up:nth-child(3) { animation-delay: 0.3s; }
.hero-content .fade-in-up:nth-child(4) { animation-delay: 0.4s; }
.hero-visual.fade-in-up { animation-delay: 0.3s; }

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

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        padding-bottom: 40px;
    }
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-visual {
        margin-top: 40px;
    }
    .about-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    .contact-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    #cta-nav {
        display: none;
    }
    .hamburger-btn {
        display: flex;
    }
    .section-title {
        font-size: 2rem;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .banner-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    .testimonial-card {
        padding: 30px 20px;
    }
    .quote-icon {
        top: 20px;
        right: 20px;
        font-size: 3rem;
    }
    .testimonial-text {
        font-size: 1.05rem;
    }
    .glass-form {
        padding: 30px 20px;
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Map Section
   ========================================================================== */
.map-section {
    padding: 0 0 100px 0;
}
.map-container {
    padding: 10px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    height: 470px;
    border: 1px solid var(--border-color);
    background: var(--color-bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}
.map-container iframe {
    border-radius: var(--border-radius-sm);
    filter: invert(90%) hue-rotate(180deg) grayscale(30%) contrast(90%);
}