/* ===================================
   Site-Wide Design System — base.css
   =================================== */


/* ---------------------------------
   1. CSS Variables (dark mode defaults)
   --------------------------------- */
:root {
    --bg: #050510;
    --glass: rgba(255,255,255,0.04);
    --glass-hover: rgba(255,255,255,0.07);
    --glass-border: rgba(255,255,255,0.08);
    --glass-border-hover: rgba(255,255,255,0.15);
    --glass-strong: rgba(255,255,255,0.06);
    --text: #f5f5f7;
    --text-secondary: #86868b;
    --blue: #007AFF;
    --indigo-from: #2633CC;
    --indigo-to: #5940CC;
    --dollar: #8B7AE8;
}


/* ---------------------------------
   2. Reset + HTML
   --------------------------------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }


/* ---------------------------------
   3. Body
   --------------------------------- */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', sans-serif;
    background: var(--bg);
    background-image:
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(38,51,204,0.08), transparent),
        radial-gradient(ellipse 60% 60% at 75% 20%, rgba(89,64,204,0.05), transparent),
        radial-gradient(ellipse 50% 70% at 50% 90%, rgba(0,122,255,0.04), transparent);
    background-attachment: fixed;
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}


/* ---------------------------------
   4. Container
   --------------------------------- */
.container { max-width: 960px; margin: 0 auto; padding: 0 24px; }


/* ---------------------------------
   5. Background Glow System
   --------------------------------- */
.bg-glow {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}
.bg-glow .orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.35;
}
@keyframes drift1 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(60px, 40px); }
}
@keyframes drift2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-40px, -60px); }
}
@keyframes drift3 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}


/* ---------------------------------
   6. Logo
   --------------------------------- */
.logo {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    text-decoration: none;
    color: var(--text);
}


/* ---------------------------------
   7. Glass Nav
   --------------------------------- */
nav {
    padding: 20px 0;
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(5,5,16,0.6);
}
nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}
nav a:hover { color: var(--text); }
.nav-logo {
    display: flex; align-items: center; gap: 10px;
    text-decoration: none; color: var(--text);
}
.nav-icon {
    width: 32px; height: 32px; border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(38,51,204,0.35);
}
.nav-icon img { width: 100%; height: 100%; display: block; }
.nav-logo span { font-weight: 600; font-size: 1rem; letter-spacing: -0.02em; }
.dollar { color: var(--dollar); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
    color: var(--text-secondary); text-decoration: none;
    font-size: 0.9rem; transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }
nav a.back {
    color: var(--text-secondary); text-decoration: none;
    font-size: 0.9rem; transition: color 0.2s;
}
nav a.back:hover { color: var(--text); }

/* Hamburger toggle */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px 0;
    cursor: pointer;
    background: none;
    border: none;
}
.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 1px;
    transition: transform 0.3s, opacity 0.3s;
}


/* ---------------------------------
   7. Footer
   --------------------------------- */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 40px 0;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
footer .container {
    display: flex; justify-content: space-between;
    align-items: center; flex-wrap: wrap; gap: 16px;
}
footer p { color: var(--text-secondary); font-size: 0.85rem; }
.footer-links { display: flex; gap: 24px; }
.footer-links a {
    color: var(--text-secondary); text-decoration: none;
    font-size: 0.85rem; transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }


/* ---------------------------------
   8. Glass Cards
   --------------------------------- */
.glass-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
}
.glass-card-strong {
    background: var(--glass-strong);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    box-shadow: 0 0 12px rgba(255,255,255,0.06), 0 16px 64px rgba(0,0,0,0.2);
}


/* ---------------------------------
   9. Circle Icon
   --------------------------------- */
.circle-icon {
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}


/* ---------------------------------
   10. Service Icon
   --------------------------------- */
.service-icon {
    width: 64px; height: 64px;
    border-radius: 16px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--indigo-from), var(--indigo-to));
    box-shadow: 0 4px 20px rgba(38,51,204,0.35), 0 0 40px rgba(89,64,204,0.15);
}


/* ---------------------------------
   11. Badges / Pills
   --------------------------------- */
.badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border-radius: 100px;
    font-size: 0.95rem; font-weight: 500;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}
.badge:hover { transform: translateY(-2px); }
.badge.primary {
    background: linear-gradient(135deg, var(--indigo-from), var(--indigo-to));
    color: #fff;
    box-shadow: 0 4px 20px rgba(38,51,204,0.3);
}


/* ---------------------------------
   11. App Cards (homepage service grid)
   --------------------------------- */
.app-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 32px;
    text-decoration: none;
    color: var(--text);
    box-shadow: 0 0 12px rgba(255,255,255,0.06);
    transition: transform 0.3s ease, border-color 0.3s, box-shadow 0.3s, background 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.app-card:hover {
    transform: translateY(-4px);
    background: var(--glass-hover);
    border-color: var(--glass-border-hover);
    box-shadow: 0 0 20px rgba(255,255,255,0.08), 0 20px 60px rgba(0,0,0,0.3);
}
.app-icon {
    width: 64px; height: 64px;
    border-radius: 16px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(38,51,204,0.35), 0 0 40px rgba(89,64,204,0.15);
}
.app-icon img { width: 100%; height: 100%; display: block; }
.app-icon.placeholder {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary); font-size: 1.4rem;
    box-shadow: none;
    overflow: visible;
}
.app-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}
.app-card .subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}
.app-card .tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    padding: 10px 24px;
    border-radius: 100px;
    background: linear-gradient(135deg, var(--indigo-from), var(--indigo-to));
    color: #fff;
    font-weight: 600;
    letter-spacing: -0.01em;
    box-shadow: 0 4px 20px rgba(89,64,204,0.3);
    white-space: nowrap;
    margin-top: auto;
}
.app-card .tag.soon {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    box-shadow: none;
}
.app-card .tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
    justify-content: center;
}
.tech-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 500;
}


/* ---------------------------------
   12. Portfolio Grid
   --------------------------------- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    max-width: 620px;
    margin: 0 auto;
}


/* ---------------------------------
   13. CTA
   --------------------------------- */
.cta {
    text-align: center;
    padding: 60px 0 80px;
    position: relative;
    z-index: 1;
}
.cta h2 {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}


/* ---------------------------------
   14. Feature Grid + Feature Cards
   --------------------------------- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
    margin-top: 48px;
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
}
.feature-grid-header {
    text-align: center;
    margin-top: 56px;
    margin-bottom: 24px;
}
.feature-grid-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: -0.01em;
}
.feature-card {
    padding: 24px;
    transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.feature-card:hover {
    border-color: var(--glass-border-hover);
    background: var(--glass-hover);
    transform: translateY(-2px);
}
.feature-card .feature-icon {
    width: 44px; height: 44px;
}
.feature-card h3 {
    font-size: 1rem; font-weight: 600;
    margin-bottom: 4px; letter-spacing: -0.01em;
}
.feature-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}


/* ---------------------------------
   13. Form Styles
   --------------------------------- */
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 0.85rem; font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    background: rgba(255,255,255,0.03);
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s;
    outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--blue);
    background: rgba(255,255,255,0.05);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group select option { background: #1a1a2e; }
.submit-btn {
    width: 100%;
    justify-content: center;
    border: none;
    font-size: 1rem; font-weight: 600;
    font-family: inherit;
    cursor: pointer;
}
.submit-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.form-status {
    text-align: center;
    padding: 12px 16px;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 12px;
    display: none;
}
.form-status.success {
    display: block;
    background: rgba(16,185,129,0.12);
    color: #10B981;
}
.form-status.error {
    display: block;
    background: rgba(239,68,68,0.12);
    color: #EF4444;
}


/* ---------------------------------
   14. Legal Page Styles
   --------------------------------- */
.legal {
    padding: 60px 0 100px;
    position: relative; z-index: 1;
}
.legal-badge {
    display: inline-block;
    padding: 4px 12px; border-radius: 100px;
    background: var(--glass);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    color: var(--blue);
    font-size: 0.8rem; font-weight: 500;
    margin-bottom: 16px;
}
.legal h1 {
    font-size: 2.2rem; font-weight: 700;
    letter-spacing: -0.03em; margin-bottom: 8px;
}
.legal .effective {
    color: var(--text-secondary);
    font-size: 0.9rem; margin-bottom: 40px;
}
.legal h2 {
    font-size: 1.3rem; font-weight: 600;
    letter-spacing: -0.01em;
    margin: 36px 0 12px; padding-top: 8px;
}
.legal p, .legal li {
    color: var(--text-secondary);
    font-size: 0.95rem; margin-bottom: 12px;
}
.legal ul, .legal ol { padding-left: 20px; margin-bottom: 12px; }
.legal li { margin-bottom: 6px; }
.legal strong { color: var(--text); }
.legal a { color: var(--blue); text-decoration: none; }
.legal a:hover { text-decoration: underline; }
.legal .summary-box {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 24px 28px;
    margin-bottom: 40px;
}
.legal .summary-item {
    display: flex; align-items: flex-start; gap: 14px;
    padding: 10px 0;
}
.legal .summary-item:first-child { padding-top: 0; }
.legal .summary-item:last-child { padding-bottom: 0; }
.legal .summary-icon {
    width: 32px; height: 32px; min-width: 32px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}
.legal .summary-item div:last-child { flex: 1; }
.legal .summary-item strong {
    display: block;
    font-size: 0.9rem;
    color: var(--text);
    margin-bottom: 1px;
}
.legal .summary-item span {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}


/* ---------------------------------
   15. Hero
   --------------------------------- */
.hero {
    text-align: center;
    padding: 100px 0 60px;
    position: relative;
    z-index: 1;
}
.hero h1 {
    font-size: clamp(2.5rem, 6vw, 3.8rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 16px;
}
.hero h1 .gradient {
    background: linear-gradient(135deg, var(--indigo-from), var(--indigo-to));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.7;
}


/* ---------------------------------
   16. Section
   --------------------------------- */
.section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
}
.section-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-align: center;
}
.section-heading {
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    text-align: center;
    margin-bottom: 48px;
    line-height: 1.15;
}


/* ---------------------------------
   17. Default Orb Configuration
   --------------------------------- */
.bg-glow .orb-1 {
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(38,51,204,0.25), transparent 70%);
    top: -200px; left: -100px;
    animation: drift1 20s ease-in-out infinite;
}
.bg-glow .orb-2 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(89,64,204,0.2), transparent 70%);
    top: 400px; right: -150px;
    animation: drift2 25s ease-in-out infinite;
}
.bg-glow .orb-3 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(0,122,255,0.12), transparent 70%);
    bottom: -100px; left: 30%;
    animation: drift3 22s ease-in-out infinite;
}


/* ---------------------------------
   18. Scroll Reveal
   --------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}


/* ---------------------------------
   16. Mobile Breakpoints
   --------------------------------- */
@media (max-width: 768px) {
    .feature-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    .hero { padding: 80px 0 48px; }
    footer .container { justify-content: center; text-align: center; }
    .legal { padding: 40px 0 60px; }
    .legal h1 { font-size: 1.8rem; }
    .feature-grid { grid-template-columns: 1fr; max-width: none; }
    .portfolio-grid { grid-template-columns: 1fr; }

    /* Hamburger nav */
    .nav-hamburger { display: flex; }
    nav .container { flex-wrap: wrap; }
    .nav-hamburger { min-width: 44px; min-height: 44px; justify-content: center; align-items: center; }
    .nav-links {
        flex-basis: 100%;
        flex-direction: column;
        gap: 0;
        max-height: 0;
        padding-top: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, padding-top 0.3s ease;
    }
    .nav-links a {
        padding: 12px 0;
        border-bottom: 1px solid var(--glass-border);
    }
    .nav-links a:last-child { border-bottom: none; }
    nav.open .nav-links { max-height: 300px; padding-top: 16px; }
    nav.open .nav-hamburger span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    nav.open .nav-hamburger span:nth-child(2) { opacity: 0; }
    nav.open .nav-hamburger span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
}


/* ---------------------------------
   17. Light Mode
   --------------------------------- */
@media (prefers-color-scheme: light) {
    /* Variables */
    :root {
        --bg: #f2f2f7;
        --glass: rgba(255,255,255,0.82);
        --glass-hover: rgba(255,255,255,0.92);
        --glass-border: rgba(0,0,0,0.06);
        --glass-border-hover: rgba(0,0,0,0.12);
        --glass-strong: rgba(255,255,255,0.88);
        --text: #1d1d1f;
        --text-secondary: #6e6e73;
        --blue: #007AFF;
        --indigo-from: #5940CC;
        --indigo-to: #2633CC;
        --dollar: #4A3AA0;
    }

    /* Body */
    body {
        background-image:
            radial-gradient(ellipse 80% 50% at 20% 40%, rgba(89,64,204,0.04), transparent),
            radial-gradient(ellipse 60% 60% at 75% 20%, rgba(38,51,204,0.03), transparent),
            radial-gradient(ellipse 50% 70% at 50% 90%, rgba(0,122,255,0.02), transparent);
    }

    /* Nav */
    nav {
        background: rgba(242,242,247,0.72);
        border-bottom-color: rgba(0,0,0,0.06);
    }
    .nav-icon {
        box-shadow: 0 2px 10px rgba(89,64,204,0.2);
    }

    /* Orbs */
    .bg-glow .orb { opacity: 0.12; }
    .bg-glow .orb-1 { background: radial-gradient(circle, rgba(89,64,204,0.12), transparent 70%); }
    .bg-glow .orb-2 { background: radial-gradient(circle, rgba(38,51,204,0.08), transparent 70%); }
    .bg-glow .orb-3 { background: radial-gradient(circle, rgba(0,122,255,0.06), transparent 70%); }

    /* Footer */
    footer {
        border-top-color: rgba(0,0,0,0.06);
    }

    /* Service icon */
    .service-icon {
        box-shadow: 0 4px 16px rgba(89,64,204,0.2);
    }

    /* Feature cards */
    .feature-card {
        box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.03);
    }
    .feature-card:hover {
        box-shadow: 0 4px 20px rgba(0,0,0,0.07), 0 8px 30px rgba(0,0,0,0.04);
    }

    /* App cards */
    .app-card {
        box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.03);
    }
    .app-card:hover {
        box-shadow: 0 8px 30px rgba(0,0,0,0.08), 0 0 30px rgba(89,64,204,0.04);
    }
    .app-icon {
        box-shadow: 0 4px 16px rgba(89,64,204,0.2);
    }
    .app-icon.placeholder {
        background: rgba(0,0,0,0.04);
        border-color: rgba(0,0,0,0.08);
        box-shadow: none;
    }
    .app-card .tag {
        box-shadow: 0 4px 16px rgba(89,64,204,0.18);
    }
    .app-card .tag.soon {
        background: rgba(0,0,0,0.04);
        border-color: rgba(0,0,0,0.08);
        box-shadow: none;
    }

    /* Form inputs */
    .form-group input,
    .form-group textarea,
    .form-group select {
        background: rgba(0,0,0,0.03);
        border-color: rgba(0,0,0,0.08);
        color: var(--text);
    }
    .form-group input:focus,
    .form-group textarea:focus,
    .form-group select:focus {
        background: rgba(0,0,0,0.02);
        border-color: var(--blue);
    }
    .form-group select option { background: #fff; color: #1d1d1f; }
    .form-group input::placeholder,
    .form-group textarea::placeholder {
        color: #a1a1a6;
    }

    /* Legal */
    .legal-badge {
        box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    }
    .legal .summary-box {
        box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.03);
    }
}


/* ---------------------------------
   18. Reduced Motion
   --------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
    .bg-glow { display: none; }
    .reveal {
        transform: none;
        transition: opacity 0.4s ease !important;
    }
}