/* ============================================
   TABLE OF CONTENTS
   1. CSS Variables & Reset
   2. Preloader
   3. Navigation
   4. Hero Slider
   5. About Section
   6. Skills Section
   7. Services Section
   8. Portfolio Section
   9. Counter Section
   10. Certifications Section
   11. Testimonials Section
   12. Blog Section
   13. Contact Section
   14. Footer
   15. WhatsApp Float & Back to Top
   16. Animations
   17. Responsive Styles
   ============================================ */

/* 1. CSS Variables & Reset */
:root {
    --dark-blue: #0a192f;
    --dark-blue-2: #0f2248;
    --dark-blue-3: #112240;
    --dark-blue-4: #17335c;
    --navy-light: #1a3a5c;
    --white: #ffffff;
    --white-off: #f8f9fa;
    --gray-light: #e9ecef;
    --gray: #8892b0;
    --gray-dark: #495057;
    --orange: #ff6b35;
    --orange-dark: #e55a2b;
    --orange-light: #ff8c5a;
    --orange-glow: rgba(255, 107, 53, 0.15);
    --orange-glow-2: rgba(255, 107, 53, 0.3);
    --gradient-1: linear-gradient(135deg, #ff6b35, #ff8c5a);
    --gradient-2: linear-gradient(135deg, #0a192f, #0f2248);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-md: 0 5px 20px rgba(0,0,0,0.15);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.2);
    --shadow-orange: 0 5px 20px rgba(255, 107, 53, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

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

body {
    font-family: var(--font);
    background: var(--dark-blue);
    color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

ul { list-style: none; }

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    display: inline-block;
    color: var(--orange);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 10px;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 15px;
}

.section-title .highlight {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: var(--gradient-1);
    border-radius: 2px;
    margin: 0 auto;
}

.highlight {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font);
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--white);
    box-shadow: var(--shadow-orange);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--orange);
}

.btn-outline:hover {
    background: var(--orange);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-orange);
}

/* 2. Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
    position: relative;
}

.loader-ring {
    width: 80px;
    height: 80px;
    border: 4px solid var(--dark-blue-4);
    border-top-color: var(--orange);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.loader-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 5px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 3. Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.6rem;
    font-weight: 800;
}

.logo-icon {
    color: var(--orange);
    font-size: 1.4rem;
    font-weight: 900;
}

.logo-text { color: var(--white); }

.logo-dot { color: var(--orange); }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: var(--gray);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--orange);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btn-nav-cta {
    padding: 10px 24px;
    background: var(--gradient-1);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
}

.btn-nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-orange);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.hamburger .bar {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
    border-radius: 2px;
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 4. Hero Slider */
.hero {
    height: 100vh;
    min-height: 700px;
    position: relative;
    overflow: hidden;
}

.hero-slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1s ease;
    display: flex;
    align-items: center;
    pointer-events: none;
    z-index: 1;
}

.slide.active {
    opacity: 1;
    pointer-events: auto;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
    padding-top: 80px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--orange-glow);
    border: 1px solid rgba(255, 107, 53, 0.3);
    color: var(--orange);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 25px;
    backdrop-filter: blur(10px);
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.15;
    color: var(--white);
    margin-bottom: 20px;
}

.hero-content h1 .highlight {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.15rem;
    color: var(--gray);
    margin-bottom: 35px;
    max-width: 600px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    gap: 50px;
}

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

.hero-stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--white);
}

.hero-stat-plus {
    font-size: 2rem;
    font-weight: 900;
    color: var(--orange);
}

.hero-stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 5px;
}

.slider-controls {
    position: absolute;
    bottom: 50px;
    right: 50px;
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 10;
}

.slider-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.05);
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.slider-btn:hover {
    background: var(--orange);
    border-color: var(--orange);
}

.slider-dots {
    display: flex;
    gap: 8px;
}

.slider-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: var(--transition);
}

.slider-dots .dot.active {
    background: var(--orange);
    width: 30px;
    border-radius: 5px;
}

.scroll-indicator {
    position: absolute;
    bottom: 50px;
    left: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray);
    font-size: 0.85rem;
    font-weight: 500;
    animation: bounce 2s infinite;
    z-index: 10;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

/* 5. About Section */
.about {
    background: var(--dark-blue-2);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
}

.about-image-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 4px solid var(--orange);
    border-radius: var(--radius-lg);
    z-index: 1;
    opacity: 0.5;
}

.about-image-frame img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.about-image-frame:hover img {
    transform: scale(1.05);
}

.about-exp-badge {
    position: absolute;
    bottom: 30px;
    right: -20px;
    background: var(--gradient-1);
    padding: 20px 25px;
    border-radius: var(--radius-md);
    text-align: center;
    z-index: 2;
    box-shadow: var(--shadow-orange);
}

.exp-number {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    color: var(--white);
}

.exp-text {
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255,255,255,0.9);
}

.about-content h3 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--white);
}

.about-content p {
    color: var(--gray);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.about-content strong { color: var(--white); }

.about-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 30px 0;
}

.about-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.05);
}

.about-info-item i {
    color: var(--orange);
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

.about-info-item span {
    color: var(--gray);
    font-size: 0.9rem;
}

.about-info-item strong { color: var(--white); }

.about-cta {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

/* 6. Skills Section */
.skills {
    background: var(--dark-blue);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
}

.skill-card {
    background: var(--dark-blue-3);
    padding: 30px 20px;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--orange);
    box-shadow: var(--shadow-orange);
}

.skill-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--orange-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.skill-icon i {
    font-size: 1.5rem;
    color: var(--orange);
}

.skill-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--white);
}

.skill-bar {
    width: 100%;
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 10px;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-1);
    border-radius: 3px;
    width: 0;
    transition: width 1.5s ease;
}

.skill-percent {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--orange);
}

/* 7. Services Section */
.services {
    background: var(--dark-blue-2);
}

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

.service-card {
    background: var(--dark-blue-3);
    padding: 40px 30px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--gradient-1);
    transition: var(--transition);
}

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

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255,107,53,0.2);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-md);
    background: var(--orange-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.service-icon i {
    font-size: 1.8rem;
    color: var(--orange);
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--white);
}

.service-card p {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-link {
    color: var(--orange);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

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

/* ============================================
   Service Detail Pages (Page Header, Detail, Process, CTA)
   ============================================ */

.page-header {
    padding: 180px 0 80px;
    background: linear-gradient(135deg, var(--dark-blue), var(--dark-blue-3));
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--orange-glow) 0%, transparent 70%);
    pointer-events: none;
}

.page-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--orange-glow);
    border: 1px solid rgba(255, 107, 53, 0.3);
    color: var(--orange);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.page-header h1 {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 20px;
    color: var(--white);
}

.page-header p {
    max-width: 650px;
    margin: 0 auto;
    color: var(--gray);
    font-size: 1.1rem;
    line-height: 1.8;
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 60px;
    align-items: center;
}

.service-detail-content h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
}

.service-detail-content > p {
    color: var(--gray);
    font-size: 1.05rem;
    margin-bottom: 15px;
    line-height: 1.8;
}

.service-features {
    margin: 30px 0;
}

.service-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    color: var(--gray-light);
    font-size: 0.95rem;
}

.service-feature i {
    color: var(--orange);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.service-detail-image {
    position: relative;
}

.service-detail-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.service-stats-card {
    position: absolute;
    bottom: -25px;
    left: -25px;
    background: var(--gradient-1);
    padding: 25px 35px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-orange);
}

.service-stat-number {
    display: block;
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--white);
}

.service-stat-label {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.9);
    font-weight: 500;
}

.process {
    background: var(--dark-blue-2);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.process-step {
    background: var(--dark-blue-3);
    padding: 35px 25px;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
    position: relative;
}

.process-step:hover {
    transform: translateY(-5px);
    border-color: var(--orange);
}

.step-number {
    display: inline-block;
    font-size: 2.5rem;
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 2px var(--orange);
    margin-bottom: 15px;
    line-height: 1;
}

.process-step h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

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

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--dark-blue-3), var(--dark-blue-4));
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -30%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--orange-glow) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content h2 {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 20px;
}

.cta-content p {
    color: var(--gray);
    font-size: 1.1rem;
    margin-bottom: 35px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 992px) {
    .service-detail-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .service-stats-card {
        left: 20px;
        bottom: 20px;
    }

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

    .page-header h1 { font-size: 2.5rem; }

    .service-detail-content h2 { font-size: 1.8rem; }

    .cta-content h2 { font-size: 2rem; }
}

@media (max-width: 768px) {
    .process-steps { grid-template-columns: 1fr; }

    .page-header h1 { font-size: 2rem; }

    .service-stats-card {
        position: relative;
        left: 0;
        bottom: 0;
        margin-top: 20px;
    }

    .cta-content h2 { font-size: 1.6rem; }
}

.service-link {
    color: var(--orange);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

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

/* 8. Portfolio Section */
.portfolio { background: var(--dark-blue); }

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--gray);
    border-radius: 50px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    font-family: var(--font);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--orange);
    color: var(--white);
    border-color: var(--orange);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
}

.portfolio-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
}

.portfolio-image img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(10,25,47,0.95), rgba(10,25,47,0.2));
    display: flex;
    align-items: flex-end;
    padding: 30px;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-info h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.portfolio-info p {
    color: var(--gray-light);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.portfolio-link {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--orange);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.portfolio-link:hover {
    transform: rotate(45deg);
}

.portfolio-cta {
    text-align: center;
    margin-top: 50px;
}

/* 9. Counter Section */
.counter-section {
    background: linear-gradient(135deg, var(--dark-blue-3), var(--dark-blue-4));
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.counter-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--orange-glow) 0%, transparent 70%);
    pointer-events: none;
}

.counter-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.counter-item {
    text-align: center;
    padding: 30px;
}

.counter-item i {
    font-size: 2.5rem;
    color: var(--orange);
    margin-bottom: 15px;
}

.counter-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--white);
    display: block;
}

.counter-label {
    font-size: 0.95rem;
    color: var(--gray);
    font-weight: 500;
}

/* 10. Certifications */
.certifications { background: var(--dark-blue-2); }

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.cert-card {
    background: var(--dark-blue-3);
    padding: 30px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 20px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}

.cert-card:hover {
    transform: translateX(8px);
    border-color: var(--orange);
}

.cert-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--orange-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cert-icon i {
    font-size: 1.8rem;
    color: var(--orange);
}

.cert-body h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 5px;
}

.cert-body p {
    color: var(--gray);
    font-size: 0.85rem;
}

.cert-date {
    display: inline-block;
    margin-top: 8px;
    color: var(--orange);
    font-size: 0.8rem;
    font-weight: 600;
}

/* 11. Testimonials */
.testimonials { background: var(--dark-blue); }

.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial-card {
    min-width: 100%;
    padding: 40px;
    text-align: center;
}

.testimonial-stars {
    margin-bottom: 20px;
}

.testimonial-stars i {
    color: #ffc107;
    font-size: 1.1rem;
    margin: 0 2px;
}

.testimonial-card p {
    color: var(--gray-light);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 30px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--orange);
}

.testimonial-author h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    text-align: left;
}

.testimonial-author span {
    font-size: 0.85rem;
    color: var(--gray);
    display: block;
    text-align: left;
}

.testimonial-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.testimonial-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.1);
    background: transparent;
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.testimonial-btn:hover {
    background: var(--orange);
    border-color: var(--orange);
}

.testimonial-dots {
    display: flex;
    gap: 8px;
}

.testimonial-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    cursor: pointer;
    transition: var(--transition);
}

.testimonial-dots .dot.active {
    background: var(--orange);
}

/* 12. Blog Section */
.blog { background: var(--dark-blue-2); }

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.blog-card {
    background: var(--dark-blue-3);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255,107,53,0.2);
}

.blog-image {
    position: relative;
    overflow: hidden;
    height: 220px;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.blog-card:hover .blog-image img {
    transform: scale(1.08);
}

.blog-category {
    position: absolute;
    top: 15px;
    left: 15px;
    padding: 6px 15px;
    background: var(--orange);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
}

.blog-content {
    padding: 25px;
}

.blog-date {
    font-size: 0.85rem;
    color: var(--gray);
    margin-bottom: 12px;
    display: inline-block;
}

.blog-date i { margin-right: 5px; }

.blog-content h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
    line-height: 1.4;
}

.blog-content p {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.blog-readmore {
    color: var(--orange);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.blog-readmore:hover { gap: 12px; }

.blog-cta {
    text-align: center;
    margin-top: 50px;
}

/* 13. Contact Section */
.contact { background: var(--dark-blue); }

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 50px;
}

.contact-info h3 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
}

.contact-info > p {
    color: var(--gray);
    margin-bottom: 30px;
    font-size: 1.05rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--orange-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--orange);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 0.9rem;
    color: var(--gray);
    font-weight: 500;
    margin-bottom: 3px;
}

.contact-item a,
.contact-item span {
    color: var(--white);
    font-weight: 600;
    transition: var(--transition);
}

.contact-item a:hover { color: var(--orange); }

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

.social-link {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--dark-blue-4);
    color: var(--gray);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.05);
}

.social-link:hover {
    background: var(--orange);
    color: var(--white);
    transform: translateY(-3px);
}

.contact-form-wrapper {
    background: var(--dark-blue-3);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.05);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 18px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-size: 0.95rem;
    font-family: var(--font);
    transition: var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--orange);
    box-shadow: 0 0 0 3px var(--orange-glow);
}

.form-group select {
    color: var(--gray);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238892b0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
}

.form-group select option {
    background: var(--dark-blue-3);
    color: var(--white);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 16px 32px;
    font-size: 1rem;
}

/* 14. Footer */
.footer {
    background: var(--dark-blue-2);
    padding: 80px 0 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
    gap: 50px;
    padding-bottom: 50px;
}

.footer-brand .logo { margin-bottom: 15px; }

.footer-brand p {
    color: var(--gray);
    font-size: 0.9rem;
    margin: 15px 0 20px;
    line-height: 1.7;
}

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

.footer-links h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 25px;
}

.footer-links ul li { margin-bottom: 12px; }

.footer-links ul li a {
    color: var(--gray);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--orange);
    padding-left: 5px;
}

.footer-newsletter h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 15px;
}

.footer-newsletter p {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 14px 18px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50px;
    color: var(--white);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
    font-family: var(--font);
}

.newsletter-form input:focus {
    border-color: var(--orange);
}

.newsletter-form button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-1);
    color: var(--white);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.newsletter-form button:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-orange);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 25px 0;
    text-align: center;
}

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

/* 15. Email Float, WhatsApp Float & Back to Top */
.email-float {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--orange);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 20px var(--shadow-orange);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
    animation-delay: 1s;
}

.email-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(255, 107, 53, 0.6);
    color: var(--white);
}

.email-tooltip {
    position: absolute;
    right: 70px;
    background: var(--white);
    color: var(--dark-blue);
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.email-float:hover .email-tooltip {
    opacity: 1;
    visibility: visible;
    right: 75px;
}

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
    color: var(--white);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--white);
    color: var(--dark-blue);
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    right: 75px;
}

@keyframes pulse {
    0% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7); }
    100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
}

.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--orange);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 998;
    box-shadow: var(--shadow-orange);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* 16. Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.slide.active .hero-content h1 {
    animation: fadeInUp 0.8s ease forwards;
}

.slide.active .hero-content p {
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.slide.active .hero-buttons {
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

.slide.active .hero-stats {
    animation: fadeInUp 0.8s ease 0.6s forwards;
    opacity: 0;
}

/* Intersection Observer animations */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-up"] {
    transform: translateY(40px);
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.85);
}

[data-aos="zoom-in"].aos-animate {
    opacity: 1;
    transform: scale(1);
}

/* 17. Responsive Styles */
@media (max-width: 1200px) {
    .hero-content h1 { font-size: 3.2rem; }
    .section-title { font-size: 2.3rem; }
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 992px) {
    .navbar .container { padding: 0 20px; }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: rgba(10, 25, 47, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 100px 40px 40px;
        gap: 20px;
        transition: 0.4s ease;
        box-shadow: -10px 0 40px rgba(0,0,0,0.3);
    }

    .nav-menu.active { right: 0; }

    .hamburger { display: flex; }

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

    .hero-content h1 { font-size: 2.8rem; }

    .hero-stats { gap: 30px; }

    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image-frame img { height: 400px; }

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

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .section { padding: 70px 0; }

    .section-title { font-size: 2rem; }

    .hero { min-height: 600px; }

    .hero-content h1 { font-size: 2.2rem; }

    .hero-content p { font-size: 1rem; }

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

    .hero-stat-number { font-size: 1.8rem; }

    .slider-controls { right: 20px; bottom: 30px; }

    .scroll-indicator { display: none; }

    .about-info-grid { grid-template-columns: 1fr; }

    .about-cta { flex-direction: column; }

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

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

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

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

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

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

    .contact-form-wrapper { padding: 25px; }

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

    .email-float {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        bottom: 80px;
        right: 20px;
    }

    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.4rem;
        bottom: 20px;
        right: 20px;
    }

    .back-to-top {
        bottom: 80px;
        right: 20px;
    }

    .slider-btn { width: 40px; height: 40px; }
}

@media (max-width: 480px) {
    .hero-content h1 { font-size: 1.8rem; }

    .hero-buttons { flex-direction: column; }

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

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

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

    .portfolio-filter { gap: 8px; }

    .filter-btn { padding: 8px 16px; font-size: 0.8rem; }
}