:root {
    /* User-Provided Theme Palette */
    --bg: #0F172A;
    --surface: #17273E;
    --muted: #33516C;
    --border: #223652;

    --primary: #6CD4D1;
    --secondary: #54A2D1;
    --accent: #8282CF;

    --text: #EAF2FF;
    --text-muted: #A9B7D0;

    --brand-gradient: linear-gradient(135deg, #6CD4D1 0%, #54A2D1 50%, #8282CF 100%);

    /* Internal Mappings */
    --bg-dark: var(--bg);
    --bg-card: var(--surface);
    --bg-light: var(--surface);
    --text-main: var(--text);
    --border-light: var(--border);
    --primary-soft: rgba(108, 212, 209, 0.1);
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.5);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    color: var(--text);
    line-height: 1.2;
}

/* Layout Containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 100px 0;
}

/* Navigation - Modern Fixed Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

header.scrolled {
    padding: 5px 0;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    transition: transform 0.3s;
}

.logo:hover {
    transform: scale(1.02);
}

.logo-img {
    height: 60px;
    width: auto;
    display: block;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links li {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
    display: block;
    padding: 10px 0;
}

.nav-links a:hover {
    color: var(--primary);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--bg-card);
    min-width: 220px;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    list-style: none;
    padding: 0.75rem;
    transition: all 0.3s ease;
    z-index: 100;
}

.dropdown-menu li {
    display: block;
}

.dropdown-menu a {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    color: var(--text-main);
    font-size: 0.9rem;
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background: var(--primary-soft);
    color: var(--primary);
}

.nav-links li:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-trigger::after {
    content: '▾';
    margin-left: 5px;
    font-size: 0.8rem;
    transition: transform 0.3s;
    display: inline-block;
}

.nav-links li:hover .dropdown-trigger::after {
    transform: rotate(180deg);
}

.nav-cta {
    background: var(--secondary);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
    text-decoration: none;
}

.nav-cta:hover {
    background: var(--secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.mobile-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--white);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

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

.mobile-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

body.menu-open {
    overflow: hidden;
}

.mobile-only {
    display: none !important;
}

/* Hero Section */
.hero {
    padding-top: 180px;
    padding-bottom: 120px;
    background: radial-gradient(circle at top right, rgba(108, 212, 209, 0.15), transparent 60%);
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    display: inline-block;
    cursor: pointer;
}

.btn-primary {
    background: var(--brand-gradient);
    color: var(--bg);
    border: none;
}

.btn-outline {
    border: 2px solid var(--border-light);
    color: var(--text-main);
    background: transparent;
}

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

/* Service Cards */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-light);
    transition: all 0.3s;
    text-decoration: none;
    color: inherit;
    display: block;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-soft);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-size: 1.5rem;
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.portfolio-item {
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    transition: all 0.3s;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.portfolio-img {
    width: 100%;
    height: 240px;
    background: var(--primary-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.portfolio-info {
    padding: 1.5rem;
}

/* Contact Form */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* Process Section */
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.process-step {
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    position: relative;
    transition: transform 0.3s;
}

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

.step-number {
    font-size: 4rem;
    font-weight: 800;
    color: var(--primary-soft);
    line-height: 1;
    margin-bottom: 1rem;
    display: block;
}

/* Home CTA Section */
.cta-section {
    background: var(--brand-gradient);
    color: var(--bg);
    border-radius: 24px;
    padding: 4rem 2rem;
    text-align: center;
    margin: 4rem auto;
    max-width: 1000px;
}

.cta-section h2 {
    color: var(--bg);
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(15, 23, 42, 0.8);
    margin-bottom: 2rem;
    font-size: 1.2rem;
}

.cta-section .btn {
    background: var(--bg);
    color: var(--primary);
    border: none;
}

.cta-section .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Footer Colors */
footer {
    background: var(--bg-dark);
    color: var(--white);
    padding: 80px 0 40px;
    margin-top: 100px;
    border-top: 1px solid var(--border-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 4rem;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: #94a3b8;
    font-size: 0.9rem;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-2 {
    margin-bottom: 2rem;
}

.bg-light {
    background-color: var(--bg-light);
}

.section-tag {
    color: var(--primary);
    text-transform: uppercase;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 1rem;
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
}

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

/* Tech Stack Grid */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    text-align: center;
}

.tech-item {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.3s;
}

.tech-item:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
}

/* FAQ Accordion */
.faq-container {
    max-width: 800px;
    margin: 3rem auto 0;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--primary);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease-out;
    color: var(--text-muted);
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 200px;
}

.faq-item.active .faq-question::after {
    content: '-';
}

/* Feature/Benefit List */
.benefit-list {
    display: grid;
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.check-icon {
    color: var(--primary);
    background: var(--primary-soft);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
    font-size: 1.1rem;
}

/* Portfolio Filters */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: 50px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s;
    font-family: var(--font-body);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* Enhanced Portfolio Items */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    cursor: default;
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.portfolio-img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-light);
}

.portfolio-content {
    padding: 2rem;
}

.portfolio-tags {
    margin-bottom: 1rem;
}

.p-tag {
    background: var(--primary-soft);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    display: inline-block;
    margin-right: 0.5rem;
}

.portfolio-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.portfolio-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 1.5rem 0;
    padding: 1rem 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.metric-item {
    text-align: left;
}

.metric-val {
    display: block;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
}

.metric-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}