/* ==========================================================================
   CSS Variables & Tokens
   ========================================================================== */
:root {
    /* Color Palette */
    --navy-dark: #070B19;
    /* Deepest navy */
    --navy-main: #0B132B;
    /* Main navy blue for text/backgrounds */
    --navy-light: #1C2541;
    /* Lighter navy */

    --white: #FFFFFF;
    --off-white: #F8F9FA;
    --gray-light: #E9ECEF;
    --gray: #6C757D;

    /* Vibrant Accents */
    --accent-blue: #00D8FF;
    /* Electric Blue */
    --accent-blue-hover: #00BBE6;
    --accent-green: #00E676;
    /* Vibrant Green alternative */

    /* Typography */
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;

    /* Shadows */
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(11, 19, 43, 0.15);
    --shadow-glow: 0 0 20px rgba(0, 216, 255, 0.3);

    /* Transitions */
    --trans-fast: 0.2s ease;
    --trans-normal: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --trans-slow: 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);

    /* Layout */
    --container-width: 1200px;
}

/* ==========================================================================
   Reset & Global Styles
   ========================================================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--navy-main);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

li {
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 5%;
}

.section {
    padding: 6rem 0;
}

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

/* Typography Classes */
h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.mt-4 {
    margin-top: 1.5rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--trans-normal);
    text-align: center;
    border: none;
    outline: none;
}

.btn-primary {
    background-color: var(--accent-blue);
    color: var(--navy-dark);
    box-shadow: 0 4px 15px rgba(0, 216, 255, 0.2);
}

.btn-primary:hover {
    background-color: var(--accent-blue-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--navy-main);
    border: 1px solid var(--gray-light);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: var(--navy-main);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
    background-color: var(--accent-blue);
    color: var(--navy-dark);
    box-shadow: var(--shadow-glow);
}

.btn-block {
    width: 100%;
    display: block;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--trans-normal);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    transition: var(--trans-normal);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--navy-main);
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    gap: 2.5rem;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-blue);
    transition: var(--trans-normal);
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--navy-main);
    background: none;
    border: none;
    cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    padding-top: 180px;
    padding-bottom: 120px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--white);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Update with actual image via script once generated */
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 249, 250, 0.95) 100%), url('hero_workspace_bg.png');
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.hero-container {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: clamp(3rem, 5vw, 4.5rem);
    color: var(--navy-main);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.highlight {
    color: var(--accent-blue);
    background: linear-gradient(90deg, var(--navy-main), var(--accent-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.35rem);
    color: var(--gray);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-inline: auto;
}

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

/* ==========================================================================
   Trust Bar
   ========================================================================== */
.trust-bar {
    background-color: var(--navy-main);
    color: var(--white);
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-bar .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.trust-bar p {
    font-weight: 500;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.trust-logos {
    display: flex;
    gap: 2.5rem;
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.5);
}

.trust-logos i {
    transition: var(--trans-fast);
}

.trust-logos i:hover {
    color: var(--white);
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--navy-main);
    margin-bottom: 1rem;
}

.heading-line {
    width: 60px;
    height: 4px;
    background-color: var(--accent-blue);
    margin: 0 auto 1.5rem auto;
    border-radius: 2px;
}

.section-header p {
    color: var(--gray);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background-color: var(--white);
    padding: 3rem 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--trans-normal);
    border: 1px solid var(--gray-light);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--accent-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--trans-normal);
}

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

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

.service-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(0, 216, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
    font-size: 2rem;
    color: var(--accent-blue);
    transition: var(--trans-normal);
}

.service-card:hover .service-icon {
    background-color: var(--accent-blue);
    color: var(--navy-main);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--navy-main);
}

.service-card p {
    color: var(--gray);
}

/* ==========================================================================
   How It Works Section
   ========================================================================== */
.process-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.process-step {
    display: flex;
    align-items: center;
    background-color: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--trans-normal);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.process-step:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(10px);
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    color: rgba(0, 216, 255, 0.15);
    line-height: 1;
    margin-right: 2rem;
    min-width: 100px;
    text-align: center;
    transition: var(--trans-fast);
}

.process-step:hover .step-number {
    color: var(--accent-blue);
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--navy-main);
}

.step-content p {
    color: var(--gray);
    margin: 0;
}

/* Arrow between steps on desktop */
@media (min-width: 900px) {
    .process-steps {
        flex-direction: row;
        align-items: stretch;
    }

    .process-step {
        flex: 1;
        flex-direction: column;
        text-align: center;
        padding: 3rem 2rem;
    }

    .process-step:hover {
        transform: translateY(-10px);
    }

    .step-number {
        margin-right: 0;
        margin-bottom: 1.5rem;
    }

    .process-step::after {
        content: '\f061';
        /* FontAwesome right arrow */
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        position: absolute;
        top: 50%;
        right: -15px;
        transform: translateY(-50%);
        font-size: 1.5rem;
        color: var(--gray-light);
        z-index: -1;
    }

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

/* ==========================================================================
   Portfolio Section
   ========================================================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    position: relative;
    background-color: var(--navy-dark);
}

.portfolio-image {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(to top, rgba(7, 11, 25, 0.9) 0%, rgba(7, 11, 25, 0) 100%);
    color: var(--white);
    transform: translateY(20px);
    opacity: 0;
    transition: var(--trans-normal);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.portfolio-item:hover .portfolio-overlay {
    transform: translateY(0);
    opacity: 1;
}

.portfolio-category {
    font-size: 0.875rem;
    color: var(--accent-blue);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.portfolio-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 0;
    color: var(--white);
}

.portfolio-link {
    position: absolute;
    top: 2rem;
    right: 2rem;
    width: 45px;
    height: 45px;
    background-color: var(--accent-blue);
    color: var(--navy-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transform: translate(20px, -20px) scale(0);
    opacity: 0;
    transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transition-delay: 0.1s;
}

.portfolio-item:hover .portfolio-link {
    transform: translate(0, 0) scale(1);
    opacity: 1;
}

.portfolio-link:hover {
    background-color: var(--white);
}

/* ==========================================================================
   Footer & Contact Section
   ========================================================================== */
.footer {
    background-color: var(--navy-dark);
    color: var(--white);
    padding-bottom: 0;
    position: relative;
    border-top: 5px solid var(--accent-blue);
}

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

.footer-cta h2 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-cta p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.125rem;
    margin-bottom: 2rem;
    max-width: 400px;
}

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

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.125rem;
}

.info-item i {
    color: var(--accent-blue);
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.social-links a:hover {
    background-color: var(--accent-blue);
    color: var(--navy-dark);
    transform: translateY(-3px);
}

/* Contact Form */
.footer-form {
    background-color: var(--navy-main);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--white);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--trans-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    background-color: rgba(255, 255, 255, 0.1);
}

::-webkit-input-placeholder {
    color: rgba(255, 255, 255, 0.3);
}

::-moz-placeholder {
    color: rgba(255, 255, 255, 0.3);
}

:-ms-input-placeholder {
    color: rgba(255, 255, 255, 0.3);
}

:-moz-placeholder {
    color: rgba(255, 255, 255, 0.3);
}

/* Footer Bottom */
.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 1.5rem 0;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    margin: 0;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

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

/* ==========================================================================
   Animations & Interactivity
   ========================================================================== */
/* Slide up fade */
.slide-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* General Fade In */
.fade-in {
    opacity: 0;
    transition: opacity 1s ease;
}

.fade-in.visible {
    opacity: 1;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .header-container {
        height: 70px;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transition: 0.4s ease-in-out;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links a {
        font-size: 1.25rem;
    }

    .nav-btn {
        display: none;
        /* Hide button on very small screens, keep in menu if needed */
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero {
        padding-top: 120px;
    }

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

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

    .trust-bar .container {
        justify-content: center;
        text-align: center;
    }

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

    .footer-form {
        padding: 2rem;
    }
}