/* =========================================
   Jerome Chijioke — Portfolio Website
   Modern, bold, conversion-focused design
   ========================================= */

/* ===== CSS VARIABLES ===== */
:root {
    /* Primary palette — bold dark with electric accent */
    --color-bg: #0a0a0a;
    --color-bg-alt: #111111;
    --color-bg-card: #161616;
    --color-bg-card-hover: #1a1a1a;
    --color-surface: #1e1e1e;
    
    --color-text: #f5f5f5;
    --color-text-secondary: #a0a0a0;
    --color-text-muted: #666666;
    
    --color-accent: #6c63ff;
    --color-accent-light: #8b83ff;
    --color-accent-dark: #5046e5;
    --color-accent-glow: rgba(108, 99, 255, 0.15);
    --color-accent-glow-strong: rgba(108, 99, 255, 0.3);
    
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-border: rgba(255, 255, 255, 0.06);
    --color-border-hover: rgba(255, 255, 255, 0.12);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --section-padding: 120px;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

/* ===== 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-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--color-accent);
    color: #fff;
}

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

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

ul {
    list-style: none;
}

/* ===== PRELOADER ===== */
#preloader {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loader {
    text-align: center;
}

.loader-text {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
    display: block;
    margin-bottom: 20px;
}

.loader-bar {
    width: 120px;
    height: 3px;
    background: var(--color-surface);
    border-radius: 3px;
    overflow: hidden;
    margin: 0 auto;
}

.loader-bar::after {
    content: '';
    display: block;
    width: 40%;
    height: 100%;
    background: var(--color-accent);
    border-radius: 3px;
    animation: loaderSlide 1s ease-in-out infinite;
}

@keyframes loaderSlide {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}

/* ===== CUSTOM CURSOR ===== */
.custom-cursor {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s ease;
    display: none;
}

.custom-cursor-follower {
    width: 36px;
    height: 36px;
    border: 1.5px solid var(--color-accent);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9998;
    transition: transform 0.3s ease, width 0.3s ease, height 0.3s ease, border-color 0.3s ease;
    display: none;
}

@media (hover: hover) and (pointer: fine) {
    .custom-cursor, .custom-cursor-follower {
        display: block;
    }
}

.cursor-hover .custom-cursor-follower {
    width: 56px;
    height: 56px;
    border-color: var(--color-accent-light);
    background: var(--color-accent-glow);
}

/* ===== CONTAINER ===== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: 14px 0;
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    z-index: 1001;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-text);
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.nav-link:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.nav-cta {
    background: var(--color-accent);
    color: #fff;
    font-weight: 600;
    margin-left: 8px;
}

.nav-link.nav-cta:hover {
    background: var(--color-accent-light);
    transform: translateY(-1px);
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition-base);
}

.nav-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--color-accent-glow-strong);
}

.btn-primary i {
    transition: transform var(--transition-base);
}

.btn-primary:hover i {
    transform: translateX(4px);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1.5px solid var(--color-border-hover);
}

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1.05rem;
}

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

/* ===== SECTION UTILITIES ===== */
.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 16px;
    position: relative;
    padding-left: 24px;
}

.section-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 14px;
    height: 2px;
    background: var(--color-accent);
    transform: translateY(-50%);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--color-text);
}

.highlight {
    color: var(--color-accent);
    font-style: italic;
}

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

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(108, 99, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(108, 99, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -200px;
    left: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(108, 99, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-highlight {
    color: var(--color-accent);
    font-style: italic;
    position: relative;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    max-width: 650px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-subtitle strong {
    color: var(--color-accent-light);
    font-weight: 700;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 64px;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    display: inline;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent);
}

.stat-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-stat-divider {
    width: 1px;
    height: 50px;
    background: var(--color-border);
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.hero-scroll-indicator span {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--color-border);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    width: 100%;
    height: 50%;
    background: var(--color-accent);
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { top: -50%; }
    100% { top: 150%; }
}

/* ===== ABOUT SECTION ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-highlights {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.about-highlight-item:hover {
    border-color: var(--color-accent);
    background: var(--color-bg-card-hover);
}

.about-highlight-item i {
    color: var(--color-accent);
    font-size: 1.2rem;
    margin-top: 4px;
    flex-shrink: 0;
}

.about-highlight-item strong {
    display: block;
    font-size: 0.95rem;
    color: var(--color-text);
    margin-bottom: 2px;
}

.about-highlight-item span {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* About Visual Card */
.about-visual {
    position: relative;
}

.about-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.about-card-header {
    display: flex;
    gap: 8px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
}

.card-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.card-dot.red { background: #ff5f57; }
.card-dot.yellow { background: #febc2e; }
.card-dot.green { background: #28c840; }

.about-card-body {
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.card-metric {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.card-metric-label {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-metric-value {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-accent);
}

.card-metric-bar {
    width: 100%;
    height: 6px;
    background: var(--color-surface);
    border-radius: 6px;
    overflow: hidden;
}

.card-metric-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    border-radius: 6px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-metric-fill.animated {
    /* Width set inline */
}

/* ===== RESULTS MARQUEE ===== */
.results-marquee {
    padding: 24px 0;
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    overflow: hidden;
}

.marquee-track {
    overflow: hidden;
    width: 100%;
}

.marquee-content {
    display: flex;
    align-items: center;
    gap: 32px;
    white-space: nowrap;
    animation: marquee 30s linear infinite;
    width: max-content;
}

.marquee-item {
    font-size: 1rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.marquee-item strong {
    color: var(--color-accent);
    font-weight: 700;
}

.marquee-dot {
    color: var(--color-accent);
    font-size: 0.7rem;
}

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

/* ===== PORTFOLIO / CASE STUDIES ===== */
.portfolio {
    background: var(--color-bg-alt);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 48px;
}

.filter-btn {
    padding: 8px 20px;
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    border-radius: 50px;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
}

.filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.filter-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}

/* Case Study Cards */
.case-study {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 24px;
    transition: all var(--transition-base);
}

.case-study:hover {
    border-color: var(--color-border-hover);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.case-study.hidden {
    display: none;
}

.case-study-header {
    padding: 32px 36px 24px;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
}

.case-study-header::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 36px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: 0.85rem;
    transition: transform var(--transition-base);
}

.case-study.open .case-study-header::after {
    transform: translateY(-50%) rotate(180deg);
}

.case-study-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.case-tag {
    display: inline-block;
    background: var(--color-accent-glow);
    color: var(--color-accent);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.case-date {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

.case-title {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
}

.case-role {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* Case Study Body (collapsible) */
.case-study-body {
    padding: 0 36px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.16, 1, 0.3, 1), padding 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-study.open .case-study-body {
    padding: 32px 36px;
    max-height: 1000px;
}

.case-challenge, .case-solution, .case-results {
    margin-bottom: 28px;
}

.case-challenge h4, .case-solution h4, .case-results h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.case-challenge h4 i, .case-solution h4 i, .case-results h4 i {
    font-size: 0.9rem;
}

.case-challenge p, .case-solution p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.case-solution ul {
    padding-left: 0;
}

.case-solution ul li {
    position: relative;
    padding-left: 20px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
    line-height: 1.6;
}

.case-solution ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 600;
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.result-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    transition: var(--transition-base);
}

.result-item:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.result-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 6px;
}

.result-label {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.3;
}

/* ===== SERVICES SECTION ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--color-accent-glow);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-icon i {
    font-size: 1.4rem;
    color: var(--color-accent);
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

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

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

.service-features li {
    position: relative;
    padding-left: 20px;
    font-size: 0.88rem;
    color: var(--color-text-muted);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
    font-size: 0.8rem;
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: all var(--transition-base);
    position: relative;
    display: flex;
    flex-direction: column;
}

.testimonial-card:hover {
    border-color: var(--color-accent-light);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

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

.testimonial-quote i {
    font-size: 1.6rem;
    color: var(--color-accent-light);
    opacity: 0.6;
}

.testimonial-text {
    font-size: 0.98rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    flex-grow: 1;
    margin-bottom: 28px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
    letter-spacing: 1px;
}

.testimonial-author strong {
    display: block;
    font-size: 0.95rem;
    color: var(--color-text);
    font-weight: 600;
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ===== SKILLS & TOOLS SECTION ===== */
.skills-section {
    background: var(--color-bg);
}

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

.skills-block {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.skills-block h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text);
}

.skills-block h3 i {
    color: var(--color-accent-light);
    font-size: 1.1rem;
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    display: inline-block;
    padding: 8px 18px;
    background: var(--color-accent-glow);
    border: 1px solid rgba(108, 99, 255, 0.25);
    color: var(--color-text);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition-base);
}

.skill-tag:hover {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.tool-tag {
    display: inline-block;
    padding: 8px 18px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition-base);
}

.tool-tag:hover {
    border-color: var(--color-accent-light);
    color: var(--color-text);
    transform: translateY(-2px);
}

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

.process-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 44px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.process-step {
    display: flex;
    gap: 32px;
    margin-bottom: 48px;
    position: relative;
}

.process-step:last-child {
    margin-bottom: 0;
}

.step-number {
    flex-shrink: 0;
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    position: relative;
    z-index: 1;
}

.step-content {
    padding-top: 16px;
}

.step-content h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 80px 0;
}

.cta-card {
    background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 50%, var(--color-accent-light) 100%);
    border-radius: var(--radius-xl);
    padding: 72px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-card h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    position: relative;
}

.cta-card .highlight {
    color: #fff;
    text-decoration: underline;
    text-decoration-color: rgba(255,255,255,0.4);
    text-underline-offset: 4px;
    font-style: italic;
}

.cta-card p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.cta-actions {
    position: relative;
}

.cta-card .btn-primary {
    background: #fff;
    color: var(--color-accent-dark);
}

.cta-card .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

/* ===== CONTACT SECTION ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: start;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.contact-item:hover {
    border-color: var(--color-accent);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--color-accent-glow);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--color-accent);
    font-size: 1.1rem;
}

.contact-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    margin-bottom: 2px;
}

.contact-item a {
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.95rem;
}

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

.contact-availability {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 32px;
    padding: 14px 20px;
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: var(--radius-sm);
}

.availability-dot {
    width: 10px;
    height: 10px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.contact-availability span {
    font-size: 0.9rem;
    color: var(--color-success);
    font-weight: 500;
}

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

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    transition: var(--transition-base);
    outline: none;
}

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

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23666' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L2 5h12L8 11z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-group select option {
    background: var(--color-bg-card);
    color: var(--color-text);
}

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

.form-status {
    margin-top: 16px;
    font-size: 0.9rem;
    text-align: center;
    display: none;
}

.form-status.success {
    display: block;
    color: var(--color-success);
}

.form-status.error {
    display: block;
    color: #ef4444;
}

/* ===== FOOTER ===== */
.footer {
    padding: 60px 0 30px;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: 8px;
    max-width: 300px;
}

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

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-accent);
}

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

.footer-socials a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    transition: var(--transition-base);
}

.footer-socials a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--color-border);
}

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

/* ===== FADE-IN ANIMATION ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-wrapper {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 64px;
    }

    /* Navigation Mobile */
    .nav-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 360px;
        height: 100vh;
        background: var(--color-bg-alt);
        flex-direction: column;
        justify-content: center;
        padding: 40px;
        gap: 4px;
        transition: right var(--transition-slow);
        border-left: 1px solid var(--color-border);
    }
    
    .nav-links.open {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.1rem;
        padding: 14px 20px;
    }

    .nav-link.nav-cta {
        margin-left: 0;
        margin-top: 16px;
        text-align: center;
        justify-content: center;
    }

    /* Mobile overlay */
    .nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.6);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    /* Hero Mobile */
    .hero {
        padding: 100px 20px 60px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hide-mobile {
        display: none;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero-stat-divider {
        width: 40px;
        height: 1px;
    }

    .hero-scroll-indicator {
        display: none;
    }
    
    /* Testimonials Mobile */
    .testimonial-card {
        padding: 28px;
    }
    
    /* Skills Mobile */
    .skills-block {
        padding: 28px;
    }

    /* Services Mobile */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    /* Case Studies Mobile */
    .case-study-header {
        padding: 24px;
    }
    
    .case-study-header::after {
        right: 24px;
    }
    
    .case-study.open .case-study-body {
        padding: 24px;
    }
    
    .results-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    
    .result-number {
        font-size: 1.4rem;
    }
    
    /* Process Mobile */
    .process-timeline::before {
        left: 34px;
    }
    
    .step-number {
        width: 70px;
        height: 70px;
        font-size: 1.2rem;
    }
    
    .process-step {
        gap: 20px;
    }
    
    /* CTA Mobile */
    .cta-card {
        padding: 48px 28px;
    }
    
    /* Contact Form Mobile */
    .contact-form {
        padding: 28px;
    }
    
    /* Footer Mobile */
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.7rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-filters {
        gap: 6px;
    }
    
    .filter-btn {
        padding: 6px 14px;
        font-size: 0.8rem;
    }

    .case-title {
        font-size: 1.3rem;
    }
    
    .service-card {
        padding: 28px;
    }
}