/* ==========================================================================
   BTEC SUKKUR - Modern 3D Software House Design System
   "Your Vision, Our Code"
   ========================================================================== */

:root {
    /* Brand Color Palette */
    --btec-blue: #0062ff;
    --btec-blue-dark: #004bd9;
    --btec-blue-light: #2e7dff;
    --btec-cyan: #00d2ff;
    --btec-indigo: #6366f1;
    --btec-purple: #8b5cf6;
    --btec-emerald: #10b981;
    --btec-amber: #f59e0b;
    --btec-rose: #f43f5e;
    
    /* Backgrounds & Glass */
    --bg-dark: #070a13;
    --bg-dark-secondary: #0d1224;
    --bg-surface: rgba(13, 18, 36, 0.72);
    --bg-surface-hover: rgba(20, 28, 56, 0.88);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(0, 210, 255, 0.4);
    --glass-glow: rgba(0, 98, 255, 0.2);
    
    /* Typography */
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-dim: #6b7280;
    --text-highlight: #00d2ff;

    /* Gradients */
    --gradient-btec: linear-gradient(135deg, #0062ff 0%, #00d2ff 100%);
    --gradient-accent: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);

    /* Shadows & 3D Depth */
    --shadow-3d: 0 20px 40px -15px rgba(0, 0, 0, 0.65), 0 0 25px rgba(0, 98, 255, 0.15);
    --shadow-glow: 0 0 35px rgba(0, 210, 255, 0.35);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
    
    /* Layout */
    --container-width: 1240px;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-dark);
    color: var(--text-main);
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.65;
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* 3D Top Scroll Progress Bar */
#scroll-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3.5px;
    width: 0%;
    background: linear-gradient(90deg, #0062ff, #00d2ff, #8b5cf6, #00e5ff);
    box-shadow: 0 0 12px #00d2ff, 0 0 24px #0062ff;
    z-index: 10000;
    transition: width 0.1s ease-out;
}

/* 3D Scroll Reveal Animations */
.reveal-3d {
    opacity: 0;
    transform: perspective(1000px) rotateX(12deg) translateY(45px) scale(0.96);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-3d.active-3d {
    opacity: 1;
    transform: perspective(1000px) rotateX(0deg) translateY(0) scale(1);
}

/* Ambient Glowing Background Orbs */
.ambient-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(140px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.45;
    transition: opacity 0.5s ease;
}

.glow-1 {
    width: 550px;
    height: 550px;
    background: radial-gradient(circle, #0052cc 0%, transparent 70%);
    top: -100px;
    left: -100px;
}

.glow-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #4f46e5 0%, transparent 70%);
    top: 40%;
    right: -150px;
}

.glow-3 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #00b4d8 0%, transparent 70%);
    bottom: 5%;
    left: 10%;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(7, 10, 19, 0.78);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(7, 10, 19, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-bottom: 1px solid rgba(0, 210, 255, 0.25);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}

.brand-logo-img {
    width: 46px;
    height: 46px;
    object-fit: contain;
    filter: drop-shadow(0 0 12px rgba(0, 98, 255, 0.6));
    transition: transform 0.4s ease;
}

.logo:hover .brand-logo-img {
    transform: rotate(45deg) scale(1.08);
}

.logo-text-group {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 6px;
}

.badge-city {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 1px;
    background: var(--gradient-btec);
    color: #ffffff;
    padding: 2px 8px;
    border-radius: 20px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}

.logo-tagline {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--btec-cyan);
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
    padding: 6px 0;
}

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

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

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

.btn-nav-cta {
    background: var(--gradient-btec);
    color: #ffffff !important;
    padding: 8px 20px !important;
    border-radius: 30px;
    box-shadow: 0 4px 15px rgba(0, 98, 255, 0.35);
}

.btn-nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 210, 255, 0.5);
}

.btn-nav-cta::after {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
}

.hamburger span {
    width: 28px;
    height: 2.5px;
    background-color: var(--text-main);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: translateY(8.5px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-8.5px) rotate(-45deg);
}

/* ==========================================================================
   HERO SECTION & 3D CANVAS
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 130px 0 80px;
    overflow: hidden;
}

.hero-3d-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: auto;
}

#hero-3d-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.hero-3d-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 65% 50%, rgba(7, 10, 19, 0.15) 0%, rgba(7, 10, 19, 0.92) 75%, #070a13 100%);
    pointer-events: none;
}

.hero-content {
    max-width: 820px;
    position: relative;
    z-index: 3;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(0, 98, 255, 0.12);
    border: 1px solid rgba(0, 210, 255, 0.3);
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--btec-cyan);
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(0, 98, 255, 0.2);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--btec-cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--btec-cyan);
    animation: pulseGlow 1.8s infinite;
}

@keyframes pulseGlow {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.4; }
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.8rem, 5.5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1.5px;
}

.hero-title .title-line {
    display: block;
}

.highlight-gradient {
    background: linear-gradient(135deg, #ffffff 0%, #00d2ff 50%, #0062ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(0, 210, 255, 0.35);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 680px;
}

.hero-description strong {
    color: #ffffff;
    font-weight: 600;
}

/* 3D Interactive Buttons */
.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    border: none;
    overflow: hidden;
}

.3d-btn {
    transform-style: preserve-3d;
    perspective: 500px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.3d-btn:hover {
    transform: translateY(-3px) scale(1.02);
}

.3d-btn:active {
    transform: translateY(0) scale(0.98);
}

.btn-primary {
    background: var(--gradient-btec);
    color: #ffffff;
    box-shadow: 0 10px 25px rgba(0, 98, 255, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 14px 35px rgba(0, 210, 255, 0.6);
}

.btn-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: #ffffff;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(0, 210, 255, 0.4);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: #ffffff;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
    box-shadow: 0 14px 35px rgba(37, 211, 102, 0.55);
}

/* 3D Floating Tech Badges */
.hero-floating-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 48px;
}

.floating-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(13, 18, 36, 0.85);
    border: 1px solid var(--glass-border);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    animation: floatBadge 4s ease-in-out infinite;
}

.floating-badge:nth-child(1) { animation-delay: 0s; color: #40c4ff; }
.floating-badge:nth-child(2) { animation-delay: 0.8s; color: #61dafb; }
.floating-badge:nth-child(3) { animation-delay: 1.6s; color: #a855f7; }
.floating-badge:nth-child(4) { animation-delay: 2.4s; color: #68a063; }

@keyframes floatBadge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* 3D Stats Counter Grid */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 780px;
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 20px 16px;
    text-align: center;
    backdrop-filter: blur(14px);
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-3d);
}

.stat-card:hover {
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-glow);
}

.stat-icon-wrap {
    font-size: 1.3rem;
    color: var(--btec-cyan);
    margin-bottom: 8px;
}

.stat-number-wrapper {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
    margin-bottom: 6px;
}

.stat-plus {
    color: var(--btec-cyan);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-indicator a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-dim);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: color 0.3s;
}

.scroll-indicator a:hover {
    color: var(--btec-cyan);
}

.mouse {
    width: 22px;
    height: 36px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.wheel {
    width: 4px;
    height: 8px;
    background-color: var(--btec-cyan);
    border-radius: 2px;
    animation: scrollAnim 1.8s infinite;
}

@keyframes scrollAnim {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

/* ==========================================================================
   INFINITE TECH MARQUEE & SOFTWARE HOUSE HIGHLIGHT
   ========================================================================== */
.tech-marquee-section {
    position: relative;
    z-index: 2;
    background: rgba(13, 18, 36, 0.92);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    padding: 16px 0;
    overflow: hidden;
}

.marquee-track {
    display: flex;
    align-items: center;
    gap: 40px;
    width: max-content;
    animation: marqueeScroll 28s linear infinite;
}

.marquee-track:hover {
    animation-play-state: paused;
}

.marquee-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 600;
    white-space: nowrap;
    padding: 6px 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.marquee-item i {
    color: var(--btec-cyan);
    font-size: 1.15rem;
}

@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.software-house-banner {
    padding: 24px 0;
    background: linear-gradient(90deg, rgba(0, 98, 255, 0.08) 0%, rgba(99, 102, 241, 0.08) 50%, rgba(0, 210, 255, 0.08) 100%);
    border-bottom: 1px solid var(--glass-border);
}

.sh-banner-inner {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 16px;
}

.sh-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    padding: 8px 18px;
    border-radius: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.sh-pill i {
    color: var(--btec-cyan);
}

/* ==========================================================================
   GLOBAL SECTION HEADERS
   ========================================================================== */
section {
    padding: 100px 0;
    position: relative;
    z-index: 2;
}

.section-header {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--btec-cyan);
    background: rgba(0, 210, 255, 0.08);
    border: 1px solid rgba(0, 210, 255, 0.25);
    padding: 6px 16px;
    border-radius: 30px;
    margin-bottom: 16px;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    font-weight: 800;
    letter-spacing: -1px;
    color: #ffffff;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ==========================================================================
   ABOUT US SECTION
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 32px;
    align-items: stretch;
}

.about-card-main {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 40px;
    position: relative;
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-3d);
}

.about-badge-hero {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--glass-border);
}

.about-gear-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: drop-shadow(0 0 16px rgba(0, 98, 255, 0.7));
}

.about-badge-hero h3 {
    font-size: 1.6rem;
    font-weight: 800;
    color: #ffffff;
}

.tagline-sub {
    color: var(--btec-cyan);
    font-weight: 600;
    font-style: italic;
    font-size: 0.95rem;
}

.about-lead {
    font-size: 1.15rem;
    color: var(--text-main);
    line-height: 1.75;
    margin-bottom: 16px;
}

.about-subtext {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 28px;
}

.about-pillars {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.pillar-item {
    display: flex;
    gap: 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    padding: 16px;
    border-radius: var(--radius-md);
}

.pillar-icon {
    font-size: 1.4rem;
    color: var(--btec-cyan);
    flex-shrink: 0;
}

.pillar-item h4 {
    font-size: 1rem;
    color: #ffffff;
    margin-bottom: 4px;
}

.pillar-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.about-interactive-stack {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.interactive-box {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    backdrop-filter: blur(14px);
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.interactive-box:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.box-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--gradient-btec);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.2rem;
    margin-bottom: 12px;
    box-shadow: 0 4px 15px rgba(0, 98, 255, 0.4);
}

.interactive-box h3 {
    font-size: 1.2rem;
    color: #ffffff;
    margin-bottom: 8px;
}

.interactive-box p {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 28px;
}

.service-card {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 32px;
    backdrop-filter: blur(14px);
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-3d);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    border-color: var(--glass-border-hover);
    background: var(--bg-surface-hover);
    box-shadow: var(--shadow-glow);
}

.service-icon-wrap {
    width: 58px;
    height: 58px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: #ffffff;
    margin-bottom: 20px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.icon-blue { background: linear-gradient(135deg, #0062ff 0%, #00d2ff 100%); }
.icon-cyan { background: linear-gradient(135deg, #00b4d8 0%, #48cae4 100%); }
.icon-purple { background: linear-gradient(135deg, #8b5cf6 0%, #c084fc 100%); }
.icon-emerald { background: linear-gradient(135deg, #059669 0%, #34d399 100%); }
.icon-amber { background: linear-gradient(135deg, #d97706 0%, #fbbf24 100%); }
.icon-rose { background: linear-gradient(135deg, #e11d48 0%, #f43f5e 100%); }

.service-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

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

.service-features li i {
    color: var(--btec-cyan);
    font-size: 0.8rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--btec-cyan);
    font-weight: 600;
    font-size: 0.92rem;
    margin-top: auto;
    transition: var(--transition-smooth);
}

.service-link:hover {
    color: #ffffff;
    gap: 12px;
}

/* ==========================================================================
   ENGINEERING PROCESS SECTION
   ========================================================================== */
.process-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.process-step {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 32px 24px;
    position: relative;
    backdrop-filter: blur(14px);
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.process-step:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow);
}

.step-num {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.08);
    position: absolute;
    top: 16px;
    right: 20px;
    line-height: 1;
}

.step-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--gradient-btec);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.25rem;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 98, 255, 0.4);
}

.process-step h3 {
    font-size: 1.2rem;
    color: #ffffff;
    margin-bottom: 10px;
}

.process-step p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ==========================================================================
   PORTFOLIO SECTION & 3D DEVICE FRAMES (WEB & MOBILE)
   ========================================================================== */
.portfolio-filter-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    padding: 10px 22px;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.filter-btn:hover {
    color: #ffffff;
    border-color: rgba(0, 210, 255, 0.4);
}

.filter-btn.active {
    background: var(--gradient-btec);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(0, 98, 255, 0.4);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 550px), 1fr));
    gap: 36px;
}

.portfolio-item {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    backdrop-filter: blur(14px);
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-3d);
    display: flex;
    flex-direction: column;
}

.portfolio-item:hover {
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-glow);
}

.portfolio-item.hidden {
    display: none !important;
}

.portfolio-showcase {
    background: #030712;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--glass-border);
}

.web-showcase {
    height: 350px;
}

/* 3D Browser Window Mockup Frame */
.device-mockup-bar {
    height: 34px;
    background: #111827;
    display: flex;
    align-items: center;
    padding: 0 14px;
    gap: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mock-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.mock-dot.red { background: #ff5f56; }
.mock-dot.yellow { background: #ffbd2e; }
.mock-dot.green { background: #27c93f; }

.mock-url {
    font-size: 0.72rem;
    color: var(--text-dim);
    margin-left: 10px;
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 3px 14px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.mock-url i {
    color: #10b981;
    font-size: 0.65rem;
}

/* 3D Smartphone Device Mockup Frame for Mobile Apps */
.mobile-showcase {
    height: 390px;
    background: radial-gradient(circle at 50% 50%, #0b1329 0%, #030712 100%);
    display: flex;
    flex-direction: column;
}

.mobile-device-top-bar {
    height: 32px;
    background: #0f172a;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
    z-index: 5;
}

.mobile-speaker {
    width: 38px;
    height: 4px;
    background: #334155;
    border-radius: 4px;
}

.mobile-camera-notch {
    display: flex;
    align-items: center;
    gap: 4px;
    background: #000000;
    padding: 2px 10px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.notch-lens {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #1e3a8a;
    box-shadow: 0 0 3px #3b82f6;
}

.notch-pill {
    width: 14px;
    height: 4px;
    border-radius: 4px;
    background: #111827;
}

.mobile-status-icons {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.65rem;
    color: var(--text-dim);
}

.mobile-device-bottom-bar {
    height: 24px;
    background: #0f172a;
    display: flex;
    align-items: center;
    justify-content: center;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
    z-index: 5;
}

.mobile-home-indicator {
    width: 80px;
    height: 4px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 4px;
}

.mobile-screen-fit {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #030712;
}

/* Image Carousel */
.image-carousel {
    position: relative;
    width: 100%;
    height: 100%;
    flex-grow: 1;
}

.carousel-wrapper {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.carousel-track {
    width: 100%;
    height: 100%;
    position: relative;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide.active {
    opacity: 1;
    visibility: visible;
}

.portfolio-screenshot {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #030712;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-smooth);
}

.carousel-btn:hover {
    background: var(--btec-blue);
    border-color: var(--btec-cyan);
}

.carousel-prev { left: 14px; }
.carousel-next { right: 14px; }

.carousel-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s;
}

.dot.active {
    width: 24px;
    border-radius: 10px;
    background: var(--btec-cyan);
}

/* Portfolio Content */
.portfolio-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-type-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 12px;
    border-radius: 20px;
    width: fit-content;
    margin-bottom: 12px;
}

.web-badge {
    background: rgba(0, 98, 255, 0.15);
    color: var(--btec-cyan);
    border: 1px solid rgba(0, 210, 255, 0.3);
}

.mobile-badge {
    background: rgba(139, 92, 246, 0.15);
    color: #c084fc;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.project-title {
    font-size: 1.45rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
}

.project-description {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 18px;
}

.project-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.project-features .feature-item {
    font-size: 0.88rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.project-features .feature-item i {
    color: var(--btec-emerald);
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
    margin-top: auto;
}

.tech-tag {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
}

.portfolio-actions {
    display: flex;
    gap: 12px;
}

.btn-view-demo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-btec);
    color: #ffffff;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0, 98, 255, 0.35);
}

.btn-view-demo:hover {
    box-shadow: 0 6px 20px rgba(0, 210, 255, 0.5);
    transform: translateY(-2px);
}

/* ==========================================================================
   TESTIMONIALS SECTION
   ========================================================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.testimonial-card {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 32px;
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow-3d);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.testimonial-card:hover {
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-glow);
}

.testimonial-rating {
    color: #fbbf24;
    font-size: 1rem;
    margin-bottom: 16px;
    display: flex;
    gap: 4px;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--text-main);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-btec);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(0, 98, 255, 0.4);
}

.author-info h4 {
    font-size: 1.05rem;
    color: #ffffff;
}

.author-info p {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ==========================================================================
   CALL TO ACTION BANNER
   ========================================================================== */
.cta-banner {
    padding: 60px 0;
}

.cta-card {
    background: linear-gradient(135deg, rgba(0, 98, 255, 0.2) 0%, rgba(99, 102, 241, 0.2) 100%);
    border: 1px solid rgba(0, 210, 255, 0.4);
    border-radius: var(--radius-xl);
    padding: 60px 40px;
    text-align: center;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 98, 255, 0.3);
}

.cta-subtitle {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--btec-cyan);
    margin-bottom: 12px;
    display: block;
}

.cta-card h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 16px;
}

.cta-card p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 32px;
}

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

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: start;
}

.contact-info-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    backdrop-filter: blur(14px);
    transition: var(--transition-smooth);
}

.info-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.info-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: var(--gradient-btec);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #ffffff;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(0, 98, 255, 0.4);
}

.info-card h3 {
    font-size: 1.1rem;
    color: #ffffff;
    margin-bottom: 4px;
}

.info-link {
    font-size: 1rem;
    color: var(--btec-cyan);
    text-decoration: none;
    font-weight: 600;
}

.info-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.brand-promise-card {
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
}

.brand-promise-card i {
    font-size: 2rem;
    color: var(--btec-emerald);
    margin-bottom: 10px;
}

.brand-promise-card h4 {
    font-size: 1.05rem;
    color: #ffffff;
    margin-bottom: 6px;
}

.brand-promise-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Glass Contact Form */
.glass-form {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 40px;
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-3d);
}

.form-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 6px;
}

.form-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

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

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
}

.input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 16px;
    color: var(--text-dim);
    font-size: 0.95rem;
    pointer-events: none;
}

.input-wrap input,
.input-wrap select,
.input-wrap textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 12px 16px 12px 44px;
    color: #ffffff;
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.input-wrap select {
    cursor: pointer;
}

.input-wrap select option {
    background: #0d1224;
    color: #ffffff;
}

.input-wrap textarea {
    padding-left: 44px;
    resize: vertical;
}

.input-wrap input:focus,
.input-wrap select:focus,
.input-wrap textarea:focus {
    outline: none;
    border-color: var(--btec-cyan);
    background: rgba(0, 98, 255, 0.06);
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.25);
}

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 14px;
    font-size: 1.05rem;
    margin-top: 10px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background: #04060c;
    border-top: 1px solid var(--glass-border);
    padding: 70px 0 30px;
    position: relative;
    z-index: 2;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 50px;
}

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

.footer-logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.footer-brand-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
    color: #ffffff;
}

.footer-tagline {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--btec-cyan);
    font-style: italic;
    margin-bottom: 14px;
}

.footer-description {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 20px;
}

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

.social-links a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.social-links a:hover {
    background: var(--btec-blue);
    border-color: var(--btec-cyan);
    color: #ffffff;
    transform: translateY(-3px);
}

.footer-col h4 {
    font-size: 1.1rem;
    color: #ffffff;
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col ul li a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-col ul li a:hover {
    color: var(--btec-cyan);
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--text-muted);
}

.contact-list li i {
    color: var(--btec-cyan);
    margin-top: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-dim);
}

.footer-bottom strong {
    color: #ffffff;
}

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

.footer-bottom-links a {
    color: var(--text-dim);
    text-decoration: none;
}

.footer-bottom-links a:hover {
    color: var(--btec-cyan);
}

/* ==========================================================================
   FLOATING 3D "GO TO TOP" BUTTON & WHATSAPP
   ========================================================================== */
.back-to-top-btn {
    position: fixed;
    bottom: 105px;
    right: 30px;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: rgba(13, 18, 36, 0.88);
    border: 1px solid rgba(0, 210, 255, 0.35);
    color: var(--btec-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 98, 255, 0.3);
    z-index: 998;
    backdrop-filter: blur(12px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.9);
    transition: var(--transition-smooth);
}

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

.back-to-top-btn:hover {
    background: var(--btec-blue);
    color: #ffffff;
    box-shadow: 0 10px 30px rgba(0, 210, 255, 0.6);
    transform: translateY(-4px) scale(1.08);
}

.progress-ring {
    position: absolute;
    top: 0;
    left: 0;
    transform: rotate(-90deg);
    pointer-events: none;
}

.progress-ring-circle-bar {
    transition: stroke-dashoffset 0.15s ease-out;
}

.top-tooltip {
    position: absolute;
    right: 65px;
    background: #0d1224;
    border: 1px solid rgba(0, 210, 255, 0.4);
    color: #ffffff;
    padding: 5px 12px;
    border-radius: 16px;
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translateX(10px);
    transition: all 0.3s;
}

.back-to-top-btn:hover .top-tooltip {
    opacity: 1;
    transform: translateX(0);
}

.floating-whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.9rem;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.5);
    z-index: 999;
    transition: var(--transition-smooth);
}

.floating-whatsapp-btn:hover {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.7);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: #0d1224;
    border: 1px solid rgba(37, 211, 102, 0.4);
    color: #ffffff;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translateX(10px);
    transition: all 0.3s;
}

.floating-whatsapp-btn:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
}

.whatsapp-ripple {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid #25d366;
    animation: rippleAnim 2s infinite;
}

@keyframes rippleAnim {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.6); opacity: 0; }
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
    }
    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(7, 10, 19, 0.98);
        backdrop-filter: blur(25px);
        flex-direction: column;
        padding: 30px;
        gap: 1.5rem;
        transform: translateY(-150%);
        transition: transform 0.4s ease;
        border-bottom: 1px solid var(--glass-border);
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .hamburger {
        display: flex;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-timeline {
        grid-template-columns: 1fr;
    }

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

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

    .cta-card {
        padding: 40px 20px;
    }
    
    .floating-whatsapp-btn {
        bottom: 20px;
        right: 20px;
        width: 52px;
        height: 52px;
        font-size: 1.6rem;
    }

    .back-to-top-btn {
        bottom: 85px;
        right: 20px;
        width: 48px;
        height: 48px;
        font-size: 1rem;
    }
}