/* ============================================
   TrueCompass.AI — Styles
   ============================================ */

:root {
    --color-bg: #0a0e1a;
    --color-bg-light: #111827;
    --color-bg-card: #1a2035;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-text-heading: #f1f5f9;
    --color-primary: #0ea5e9;
    --color-primary-dark: #0284c7;
    --color-accent: #f97316;
    --color-accent-dark: #ea580c;
    --color-border: rgba(255, 255, 255, 0.08);
    --gradient-primary: linear-gradient(135deg, #0ea5e9, #f97316);
    --gradient-bg: linear-gradient(180deg, #0a0e1a 0%, #111827 100%);
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Space Grotesk', 'Inter', sans-serif;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--color-text-heading);
    line-height: 1.2;
    font-weight: 700;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.35rem; }

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-label {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-primary);
    margin-bottom: 12px;
}

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

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-top: 16px;
}

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

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

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(14, 165, 233, 0.4);
    color: #fff;
}

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

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

.btn-nav {
    padding: 10px 24px;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 0.85rem;
}

.btn-nav:hover {
    color: #fff;
    transform: translateY(-1px);
}

.btn-large {
    padding: 18px 42px;
    font-size: 1.05rem;
}

.btn-full {
    width: 100%;
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}

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

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 140px;
    width: auto;
    filter: brightness(0) invert(1);
}

.navbar.scrolled .logo-img {
    height: 100px;
}

.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 36px;
}

.nav-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.3px;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

/* ============================================
   Hero
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(14, 165, 233, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(249, 115, 22, 0.06) 0%, transparent 60%),
                var(--color-bg);
}

.hero-particles {
    position: absolute;
    inset: 0;
}

.hero-content {
    position: relative;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 60px;
    z-index: 2;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-top: 24px;
    max-width: 540px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-top: 40px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.compass-svg {
    width: 100%;
    max-width: 320px;
    opacity: 0.7;
}

.compass-needle {
    transform-origin: 150px 150px;
    animation: compass-rotate 20s ease-in-out infinite;
}

@keyframes compass-rotate {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(15deg); }
    50% { transform: rotate(-10deg); }
    75% { transform: rotate(5deg); }
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.5;
}

.scroll-arrow {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-text-muted), transparent);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* ============================================
   Sections
   ============================================ */

.section {
    padding: 120px 0;
}

/* ============================================
   About
   ============================================ */

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

.about-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    position: relative;
    z-index: 2;
}

.about-image-accent {
    position: absolute;
    top: -16px;
    left: -16px;
    right: 16px;
    bottom: 16px;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    opacity: 0.3;
    z-index: 1;
}

.about-lead {
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-content p {
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.about-content h2 {
    margin-bottom: 24px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 36px;
    padding-top: 36px;
    border-top: 1px solid var(--color-border);
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 4px;
    display: block;
}

/* ============================================
   Services
   ============================================ */

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

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: 0 12px 40px rgba(14, 165, 233, 0.1);
}

.service-icon {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 12px;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   Tech Stack
   ============================================ */

.tech-stack {
    background: var(--color-bg-light);
    padding: 80px 0;
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.tech-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    padding: 12px 28px;
    transition: var(--transition);
}

.tech-item:hover {
    border-color: var(--color-primary);
    background: rgba(14, 165, 233, 0.05);
}

.tech-name {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
}

/* ============================================
   Portfolio
   ============================================ */

.portfolio-grid {
    display: grid;
    gap: 32px;
}

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

.portfolio-card:hover {
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.portfolio-featured {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
}

.portfolio-card-content {
    padding: 48px;
}

.portfolio-tag {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent);
}

.portfolio-card h3 {
    font-size: 2rem;
    margin: 8px 0 16px;
}

.portfolio-card p {
    color: var(--color-text-muted);
    line-height: 1.8;
}

.portfolio-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    margin-top: 24px;
}

.portfolio-tech li {
    background: rgba(14, 165, 233, 0.1);
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 50px;
}

.portfolio-card-visual {
    padding: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.portfolio-screenshot {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    transition: var(--transition);
    transform: perspective(600px) rotateY(-3deg);
}

.portfolio-card:hover .portfolio-screenshot {
    transform: perspective(600px) rotateY(0deg);
    box-shadow: 0 12px 48px rgba(14, 165, 233, 0.15);
}

/* ============================================
   Approach
   ============================================ */

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

.approach-timeline {
    max-width: 700px;
    margin: 0 auto;
}

.approach-step {
    display: flex;
    gap: 32px;
    padding: 32px 0;
    border-bottom: 1px solid var(--color-border);
}

.approach-step:last-child {
    border-bottom: none;
}

.step-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-width: 80px;
}

.step-content h3 {
    margin-bottom: 8px;
}

.step-content p {
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* ============================================
   CTA Section
   ============================================ */

.cta-section {
    background: radial-gradient(ellipse at center, rgba(14, 165, 233, 0.08) 0%, transparent 70%),
                var(--color-bg);
}

.cta-content {
    text-align: center;
    max-width: 650px;
    margin: 0 auto;
}

.cta-content p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin: 20px 0 36px;
}

/* ============================================
   Contact
   ============================================ */

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

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

.contact-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.contact-icon svg {
    width: 20px;
    height: 20px;
}

.contact-item h4 {
    font-size: 0.85rem;
    margin-bottom: 4px;
    color: var(--color-text-heading);
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

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

/* ============================================
   Footer
   ============================================ */

.footer {
    padding: 60px 0 32px;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
}

.footer-logo {
    height: 120px;
    margin-bottom: 12px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    max-width: 350px;
}

.footer-links {
    display: flex;
    gap: 28px;
}

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

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

.footer-bottom {
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

/* ============================================
   Animations (scroll-triggered via JS)
   ============================================ */

.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

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

    .hero-visual {
        display: none;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }

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

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

    .portfolio-card-visual {
        padding-bottom: 48px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 14, 26, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 32px;
        z-index: 999;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        font-size: 1.2rem;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .section {
        padding: 80px 0;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .approach-step {
        flex-direction: column;
        gap: 12px;
    }

    .footer-content {
        flex-direction: column;
        gap: 24px;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 16px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
}