/* 
  HUMAN KODA - DESIGN SYSTEM (REFINED 2026)
  Palette: Midnight (#050505), Cyber Lime (#BEF264), Graphite Slate (#1E293B)
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500&family=Space+Grotesk:wght@600;700&display=swap');

:root {
    /* Primary Colors */
    --midnight: #050505;
    --cyber-lime: #BEF264;
    --graphite: #1E293B;
    --slate-light: #334155;

    /* Secondary / UI */
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --glass: rgba(255, 255, 255, 0.02);
    --glass-border: rgba(255, 255, 255, 0.08);

    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --section-padding: 160px 20px;
    --container-width: 1280px;
}

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

body {
    background-color: var(--midnight);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

section {
    padding: var(--section-padding);
}

/* Utils */
.lime {
    color: var(--cyber-lime);
}

.dim {
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 18px 36px;
    border-radius: 2px;
    /* Sharper edges for high-end feel */
    font-family: var(--font-heading);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
}

.btn-primary {
    background-color: var(--cyber-lime);
    color: var(--midnight);
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: scale(1.02);
    box-shadow: 0 0 30px rgba(190, 242, 100, 0.2);
}

.btn-outline {
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--glass);
    border-color: var(--cyber-lime);
    color: var(--cyber-lime);
}

.btn.small {
    padding: 12px 24px;
    font-size: 0.75rem;
}

/* Navbar */
.navbar {
    padding: 25px 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    padding: 15px 0;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 60px;
    list-style: none;
}

.nav-links a:not(.btn) {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s;
    font-size: 0.9rem;
}

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

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 180px 0 100px;
    position: relative;
    background: radial-gradient(circle at 100% 0%, rgba(190, 242, 100, 0.03) 0%, transparent 60%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 120px;
    align-items: center;
}

.hero-text h1 {
    font-size: 6rem;
    margin-bottom: 40px;
    line-height: 0.9;
}

.hero-text p {
    font-size: 1.4rem;
    margin-bottom: 50px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

/* Visual Placeholder for Modern Tech */
.hero-visual {
    position: relative;
    padding: 40px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

/* Services */
.services {
    background-color: var(--midnight);
}

.section-header {
    margin-bottom: 120px;
}

.section-header h2 {
    font-size: 4rem;
    margin-bottom: 24px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.service-card {
    background: var(--glass);
    padding: 60px 40px;
    border: 1px solid var(--glass-border);
    transition: all 0.5s ease;
}

.service-card:hover {
    border-color: var(--cyber-lime);
    background: rgba(190, 242, 100, 0.02);
}

.service-card h3 {
    font-size: 1.8rem;
    margin-bottom: 24px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* Philosophy Section (Modern Bento/Grid) */
.philosophy {
    border-top: 1px solid var(--glass-border);
}

.philosophy-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}

.philosophy-text h2 {
    font-size: 4.5rem;
    margin-bottom: 40px;
}

.check-list li {
    margin-bottom: 24px;
    display: flex;
    gap: 20px;
    font-family: var(--font-heading);
    font-size: 1.2rem;
}

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1100px) {
    .hero-text h1 {
        font-size: 4rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 80px;
    }

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

/* Contact Box */
.contact-box {
    background: var(--glass);
    padding: 100px 60px;
    border-radius: 4px;
    text-align: center;
    border: 1px solid var(--glass-border);
    max-width: 900px;
    margin: 0 auto;
}

.contact-box h2 {
    font-size: 4rem;
    margin-bottom: 24px;
}

.contact-box p {
    font-size: 1.25rem;
    margin-bottom: 60px;
    /* Increased gap to button */
}

/* Footer */
.footer {
    padding: 60px 0;
    border-top: 1px solid var(--glass-border);
    margin-top: 80px;
}

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

/* Portfolio (Selected Works) */
.portfolio {
    border-top: 1px solid var(--glass-border);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(2, 400px);
    gap: 20px;
}

.portfolio-item {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    position: relative;
    overflow: hidden;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-item:hover {
    border-color: var(--cyber-lime);
    background: rgba(190, 242, 100, 0.03);
}

.portfolio-item:nth-child(1) {
    grid-column: span 8;
}

.portfolio-item:nth-child(2) {
    grid-column: span 4;
}

.portfolio-item:nth-child(3) {
    grid-column: span 12;
}

.work-tag {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--cyber-lime);
    margin-bottom: 20px;
    font-weight: 700;
}

.portfolio-item h3 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.portfolio-item p {
    color: var(--text-secondary);
    max-width: 500px;
}

@media (max-width: 968px) {
    .portfolio-grid {
        display: flex;
        flex-direction: column;
    }

    .portfolio-item {
        min-height: 400px;
    }
}

/* Contact Form Refinement */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}

.form-group {
    margin-bottom: 30px;
    position: relative;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 0;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 1rem;
    transition: border-color 0.3s ease;
    outline: none;
    border-radius: 0;
}

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

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--cyber-lime);
}

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

.contact-form select option {
    background: var(--midnight);
    color: var(--text-primary);
}

.contact-form .btn {
    width: 100%;
    margin-top: 20px;
}

.form-feedback {
    margin-top: 30px;
    font-size: 1.1rem;
    color: var(--cyber-lime);
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Process Section */
.process {
    background: var(--midnight);
    border-top: 1px solid var(--glass-border);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.step {
    position: relative;
}

.step-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--cyber-lime);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.step h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Readability Refinements */
p {
    max-width: 65ch;
    /* Optimal line length for readability */
}

.hero-text p,
.section-header p {
    max-width: 600px;
}

@media (max-width: 968px) {
    .process-steps {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .hero-text h1 {
        font-size: 3.5rem;
    }

    section {
        padding: 100px 20px;
    }
}

/* Principles Section */
.principles {
    background-color: var(--midnight);
    border-top: 1px solid var(--glass-border);
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.principle-card {
    padding: 60px 40px;
    border-left: 1px solid var(--glass-border);
    transition: all 0.5s ease;
}

.principle-card:hover {
    border-left-color: var(--cyber-lime);
    background: linear-gradient(90deg, rgba(190, 242, 100, 0.02) 0%, transparent 100%);
}

.principle-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--cyber-lime);
}

.principle-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

@media (max-width: 968px) {
    .principles-grid {
        grid-template-columns: 1fr;
    }

    .principle-card {
        border-left: none;
        border-top: 1px solid var(--glass-border);
        padding: 40px 0;
    }

    .principle-card:hover {
        border-top-color: var(--cyber-lime);
        background: linear-gradient(0deg, rgba(190, 242, 100, 0.02) 0%, transparent 100%);
    }
}