/* ===== CSS VARIABLES ===== */
:root {
    --primary: #0176d3;
    --primary-dark: #014486;
    --primary-light: #1b96ff;
    --secondary: #032d60;
    --accent: #ff6b35;
    --success: #2e844a;
    --bg-primary: #ffffff;
    --bg-secondary: #f3f3f3;
    --bg-dark: #032d60;
    --text-primary: #181818;
    --text-secondary: #444444;
    --text-light: #666666;
    --text-white: #ffffff;
    --border: #e0e0e0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 50%;
    --transition: all 0.3s ease;
    --font: 'Inter', sans-serif;
}

/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

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

.section {
    padding: 100px 0;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    font-family: var(--font);
}

.btn-primary {
    background: var(--primary);
    color: var(--text-white);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(1, 118, 211, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

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

.btn-nav {
    padding: 10px 24px;
    background: var(--primary);
    color: var(--text-white) !important;
    border-radius: var(--radius-sm);
}

.btn-nav:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

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

/* ===== SECTION HEADER ===== */
.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    background: rgba(1, 118, 211, 0.1);
    color: var(--primary);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--border);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 75px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary);
}

.logo i {
    font-size: 2rem;
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    font-size: 0.95rem;
}

.nav-links a:not(.btn):hover {
    color: var(--primary);
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-links a:not(.btn):hover::after,
.nav-links a:not(.btn).active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.bar {
    width: 28px;
    height: 3px;
    background: var(--secondary);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f4fd 30%, #ffffff 60%, #f5f0ff 100%);
    overflow: hidden;
    padding-top: 75px;
}

.hero-bg-animation {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.cloud {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
    background: var(--primary);
}

.cloud-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
    animation: float 20s ease-in-out infinite;
}

.cloud-2 {
    width: 300px;
    height: 300px;
    bottom: -50px;
    left: -80px;
    animation: float 15s ease-in-out infinite reverse;
}

.cloud-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    animation: float 18s ease-in-out infinite 3s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(15px, 15px) scale(1.02); }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 8px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--secondary);
    line-height: 1.1;
    margin-bottom: 8px;
}

.hero-role {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-light);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 30px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 500;
    margin-top: 2px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

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

.hero-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition);
}

.hero-social a:hover {
    background: var(--primary);
    color: var(--text-white);
    transform: translateY(-3px);
}

/* Hero Image */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    width: 400px;
    height: 400px;
}

.hero-avatar {
    width: 280px;
    height: 280px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 60px auto;
    box-shadow: 0 20px 60px rgba(1, 118, 211, 0.3);
    animation: pulse 3s ease-in-out infinite;
}

.hero-icon {
    font-size: 8rem;
    color: white;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 20px 60px rgba(1, 118, 211, 0.3); }
    50% { box-shadow: 0 20px 80px rgba(1, 118, 211, 0.5); }
}

.floating-badge {
    position: absolute;
    background: var(--bg-primary);
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    font-weight: 600;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary);
    animation: floatBadge 6s ease-in-out infinite;
}

.floating-badge i {
    color: var(--primary);
}

.badge-1 { top: 40px; left: 20px; animation-delay: 0s; }
.badge-2 { top: 20px; right: 0; animation-delay: 1.5s; }
.badge-3 { bottom: 60px; left: 0; animation-delay: 3s; }
.badge-4 { bottom: 30px; right: 20px; animation-delay: 4.5s; }

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator a {
    color: var(--primary);
    font-size: 1.5rem;
}

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

/* ===== ABOUT ===== */
.about {
    background: var(--bg-primary);
}

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

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

.about-highlights {
    margin: 30px 0;
    display: grid;
    gap: 12px;
}

.highlight {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
}

.highlight i {
    color: var(--success);
    font-size: 1.2rem;
}

.skills-content h3 {
    font-size: 1.3rem;
    color: var(--secondary);
    margin-bottom: 24px;
}

.skill-bars {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
}

.skill-progress {
    height: 10px;
    background: var(--bg-secondary);
    border-radius: 10px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 10px;
    width: 0;
    transition: width 1.5s ease-in-out;
}

/* ===== SERVICES ===== */
.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: 40px 30px;
    transition: var(--transition);
    position: relative;
    border: 1px solid var(--border);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.service-card.featured::before {
    transform: scaleX(1);
}

.service-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--accent);
    color: white;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
}

.service-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-md);
    background: rgba(1, 118, 211, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: var(--text-white);
}

.service-card h3 {
    font-size: 1.25rem;
    color: var(--secondary);
    margin-bottom: 12px;
}

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

.service-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.service-list li::before {
    content: '→';
    color: var(--primary);
    font-weight: 700;
}

/* ===== CERTIFICATIONS ===== */
.certifications {
    background: var(--bg-dark);
}

.certifications .section-tag {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-light);
}

.certifications .section-title {
    color: var(--text-white);
}

.certifications .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.cert-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 30px;
    text-align: center;
    transition: var(--transition);
}

.cert-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.cert-icon {
    font-size: 3rem;
    color: var(--primary-light);
    margin-bottom: 16px;
}

.cert-card h3 {
    color: var(--text-white);
    font-size: 1.05rem;
    margin-bottom: 4px;
}

.cert-card p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

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

.trailhead-cta .btn-outline {
    color: var(--text-white);
    border-color: rgba(255, 255, 255, 0.3);
}

.trailhead-cta .btn-outline:hover {
    background: var(--primary);
    border-color: var(--primary);
}

/* ===== PORTFOLIO ===== */
.portfolio {
    background: var(--bg-primary);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border: 2px solid var(--border);
    background: transparent;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
    color: var(--text-secondary);
}

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

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.portfolio-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    background: var(--bg-primary);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.portfolio-card.hidden {
    display: none;
}

.portfolio-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-placeholder i {
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.3);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(3, 45, 96, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.portfolio-link {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    transform: scale(0);
    transition: var(--transition);
}

.portfolio-card:hover .portfolio-link {
    transform: scale(1);
}

.portfolio-info {
    padding: 24px;
}

.portfolio-category {
    display: inline-block;
    background: rgba(1, 118, 211, 0.1);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.portfolio-info h3 {
    font-size: 1.15rem;
    color: var(--secondary);
    margin-bottom: 8px;
}

.portfolio-info p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.portfolio-tech {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.portfolio-tech span {
    padding: 4px 12px;
    background: var(--bg-secondary);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ===== PROCESS ===== */
.process {
    background: var(--bg-secondary);
}

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

.process-step {
    text-align: center;
    position: relative;
}

.process-step::after {
    content: '';
    position: absolute;
    top: 40px;
    right: -15px;
    width: 30px;
    height: 2px;
    background: var(--border);
}

.process-step:last-child::after {
    display: none;
}

.process-number {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--text-white);
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 8px 25px rgba(1, 118, 211, 0.3);
}

.process-content h3 {
    font-size: 1.15rem;
    color: var(--secondary);
    margin-bottom: 8px;
}

.process-content p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    background: var(--bg-primary);
}

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

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

.testimonial-card {
    min-width: 100%;
    padding: 40px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    text-align: center;
}

.testimonial-stars {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 20px;
}

.testimonial-stars i {
    color: #fbbf24;
    font-size: 1.1rem;
}

.testimonial-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.2rem;
}

.author-info h4 {
    font-size: 1rem;
    color: var(--secondary);
}

.author-info span {
    font-size: 0.85rem;
    color: var(--text-light);
}

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

.testimonial-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    border: 2px solid var(--border);
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.testimonial-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--text-white);
}

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

.testimonial-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: var(--border);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.testimonial-dot.active {
    background: var(--primary);
    width: 30px;
    border-radius: 5px;
}

/* ===== CONTACT ===== */
.contact {
    background: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 28px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    background: rgba(1, 118, 211, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 0.95rem;
    color: var(--secondary);
    margin-bottom: 2px;
}

.contact-item a,
.contact-item span {
    color: var(--text-light);
    font-size: 0.95rem;
}

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

.contact-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.contact-social a {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: rgba(1, 118, 211, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.1rem;
    transition: var(--transition);
}

.contact-social a:hover {
    background: var(--primary);
    color: var(--text-white);
    transform: translateY(-3px);
}

.contact-form {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.form-group {
    position: relative;
    margin-bottom: 24px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: var(--font);
    transition: var(--transition);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(1, 118, 211, 0.1);
}

.form-group label {
    position: absolute;
    top: 16px;
    left: 16px;
    color: var(--text-light);
    transition: var(--transition);
    pointer-events: none;
    background: var(--bg-primary);
    padding: 0 4px;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 600;
}

.form-group select {
    appearance: none;
    cursor: pointer;
}

.form-status {
    margin-top: 16px;
    padding: 12px;
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(46, 132, 74, 0.1);
    color: var(--success);
}

.form-status.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--secondary);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    color: var(--text-white);
    margin-bottom: 16px;
}

.footer-brand p {
    max-width: 300px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-links h4 {
    color: var(--text-white);
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--primary);
    color: var(--text-white);
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ===== ANIMATIONS ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-description {
        max-width: 100%;
        margin: 0 auto 30px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-social {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-image-wrapper {
        width: 300px;
        height: 300px;
    }

    .hero-avatar {
        width: 200px;
        height: 200px;
        margin: 50px auto;
    }

    .hero-icon {
        font-size: 5rem;
    }

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

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

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

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

    .process-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .process-step::after {
        display: none;
    }

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

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 75px;
        left: 0;
        width: 100%;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 30px 20px;
        gap: 20px;
        box-shadow: var(--shadow-md);
        transform: translateX(-100%);
        transition: var(--transition);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .hamburger {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-role {
        font-size: 1.2rem;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .section {
        padding: 70px 0;
    }

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

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

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

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

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

    .contact-form {
        padding: 24px;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .floating-badge {
        display: none;
    }

    .hero-image {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

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

    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .portfolio-filters {
        gap: 8px;
    }

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