/* TradeProcurement — Design System v4
   Inspired by Apple.com / LovFrom aesthetic.
   Generous whitespace, typographic clarity, premium feel.
   Typography: Inter + JetBrains Mono. */

/* ─── Reset & Base ─────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --white: #FAFAFA;
    --off-white: #F5F5F7;
    --light: #E8E8ED;
    --mid: #86868B;
    --dark: #1D1D1F;
    --black: #000000;
    --accent: #0071E3;
    --accent-subtle: rgba(0, 113, 227, 0.04);
    --accent-hover: #0077ED;
    --success: #30D158;
    --success-subtle: rgba(48, 209, 88, 0.08);
    --warn: #FF9F0A;
    --error: #FF3B30;

    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

    --text-xs: 0.6875rem;
    --text-sm: 0.8125rem;
    --text-base: 0.9375rem;
    --text-md: 1.0625rem;
    --text-lg: 1.25rem;
    --text-xl: 1.5rem;
    --text-2xl: 2rem;
    --text-3xl: 2.5rem;
    --text-hero: clamp(2.75rem, 5.5vw, 5rem);

    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-section: clamp(5rem, 10vh, 10rem);

    --ease-out: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --duration-fast: 200ms;
    --duration-normal: 350ms;
    --duration-slow: 700ms;

    --sidebar-width: 260px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --max-width: 1120px;
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; }
body { font-family: var(--font-display); font-weight: 400; line-height: 1.55; color: var(--dark); background: var(--white); overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-weight: 600; line-height: 1.15; letter-spacing: -0.025em; color: var(--black); }

/* ─── Buttons ─────────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px; border: none; border-radius: 980px;
    font-family: var(--font-display); font-size: var(--text-sm); font-weight: 500;
    cursor: pointer; transition: all var(--duration-fast); text-decoration: none; white-space: nowrap;
}
.btn-primary { background: var(--black); color: var(--white); }
.btn-primary:hover { background: #333; }
.btn-secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn-secondary:hover { background: var(--accent); color: white; }
.btn-accent { background: var(--accent); color: white; }
.btn-accent:hover { background: var(--accent-hover); }
.btn-nav { background: var(--black); color: var(--white); padding: 8px 20px; border-radius: 980px; font-size: var(--text-xs); font-weight: 600; }
.btn-nav:hover { background: #333; }
.btn-sm { padding: 6px 14px; font-size: var(--text-xs); }
.btn-lg { padding: 14px 32px; font-size: var(--text-base); font-weight: 600; }
.btn-full { width: 100%; justify-content: center; }


/* ═══════════════════════════════════════════════════════════════════
   LANDING — Multi-page full-viewport sections
   ═══════════════════════════════════════════════════════════════════ */

.landing {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

.landing-container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-xl); }

/* ─── Landing Nav ─────────────────────────────────────────────── */
.landing-nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: var(--space-md) var(--space-xl);
    display: flex; align-items: center; justify-content: space-between;
    background: rgba(250, 250, 247, 0.72);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid transparent;
    transition: background var(--duration-normal), border-color var(--duration-normal);
}
.landing-nav.on-dark {
    background: rgba(0, 0, 0, 0.72);
    border-color: rgba(255,255,255,0.06);
}
.landing-nav.on-dark .landing-nav-logo { color: var(--white); }
.landing-nav.on-dark .landing-nav-links a { color: rgba(255,255,255,0.5); }
.landing-nav.on-dark .landing-nav-links a:hover { opacity: 1; color: var(--white); }
.landing-nav.on-dark .btn-nav { background: var(--accent); }
.landing-nav.scrolled { border-color: var(--light); }
.landing-nav-logo {
    font-size: var(--text-md); font-weight: 600; letter-spacing: -0.02em;
    color: var(--dark); text-decoration: none; transition: color var(--duration-fast);
}
.landing-nav-links { display: flex; align-items: center; gap: var(--space-lg); }
.landing-nav-links a {
    font-size: var(--text-sm); font-weight: 400; color: var(--dark);
    text-decoration: none; opacity: 0.5; transition: opacity var(--duration-fast), color var(--duration-fast);
}
.landing-nav-links a:hover { opacity: 1; }

/* ─── Landing Pages (full-viewport) ──────────────────────────── */
.landing-page {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    display: flex; flex-direction: column;
    justify-content: center; align-items: center;
    text-align: center;
    padding: 100px var(--space-xl) var(--space-3xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(30px);
    transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out), visibility 0s 0.5s;
    z-index: 1;
}
.landing-page.active {
    opacity: 1; visibility: visible;
    transform: translateY(0);
    transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out), visibility 0s 0s;
    z-index: 2;
}
.landing-page.exit-up { transform: translateY(-30px); }
.landing-page.exit-down { transform: translateY(30px); }

/* Alternate backgrounds */
.landing-page-alt { background: var(--off-white); }
.landing-page-dark { background: var(--black); color: var(--white); }
.landing-page-dark .section-label { color: var(--accent); }
.landing-page-dark .section-title { color: var(--white); }

/* Inner content wrapper */
.landing-page-inner { max-width: var(--max-width); width: 100%; padding: 0 var(--space-xl); }

/* Contact page */
.contact-page-content {
    width: 100%; height: 100%;
    display: flex; flex-direction: column; justify-content: center; overflow-y: auto;
}
.landing-page-dark .contact-grid { padding-top: var(--space-xl); }

/* ─── Dot Navigation ─────────────────────────────────────────── */
.landing-dots {
    position: fixed; right: 28px; top: 50%; transform: translateY(-50%);
    z-index: 101; display: flex; flex-direction: column; gap: 16px;
}
.landing-dot {
    width: 8px; height: 8px; border-radius: 50%;
    border: 1.5px solid rgba(0,0,0,0.2); background: transparent;
    cursor: pointer; padding: 0;
    transition: all 0.4s var(--ease-out);
}
.landing-dot.active {
    background: var(--dark); border-color: var(--dark);
    transform: scale(1.5);
}
.landing-dot:hover:not(.active) { border-color: var(--dark); }
.landing-dots.on-dark .landing-dot { border-color: rgba(255,255,255,0.25); }
.landing-dots.on-dark .landing-dot:hover:not(.active) { border-color: rgba(255,255,255,0.6); }
.landing-dots.on-dark .landing-dot.active { background: var(--white); border-color: var(--white); }

/* ─── Persistent CTA ─────────────────────────────────────────── */
.landing-cta {
    position: fixed; bottom: 32px; right: 32px; z-index: 101;
    opacity: 0; transform: translateY(10px); pointer-events: none;
    transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}
.landing-cta.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* ─── Hero ────────────────────────────────────────────────────── */
.hero-content { max-width: 800px; animation: fadeUp var(--duration-slow) var(--ease-out) both; }
.text-hero { font-size: var(--text-hero); font-weight: 700; letter-spacing: -0.045em; line-height: 1.05; margin-bottom: var(--space-lg); }
.text-subtitle { font-size: clamp(1.125rem, 2vw, 1.375rem); font-weight: 400; color: var(--mid); line-height: 1.5; max-width: 560px; margin: 0 auto var(--space-2xl); }

/* ─── Industry Selection Cards ────────────────────────────────── */
.industry-cards {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md);
    max-width: 640px; margin: 0 auto var(--space-2xl);
}
.industry-card {
    display: flex; flex-direction: column; align-items: center; gap: var(--space-sm);
    padding: var(--space-xl) var(--space-lg);
    border: 1px solid var(--light); border-radius: var(--radius-md);
    text-align: center; transition: all var(--duration-normal) var(--ease-out); cursor: default;
    background: var(--white); position: relative;
}
.industry-card svg { width: 36px; height: 36px; color: var(--mid); transition: color var(--duration-fast); }
.industry-card-title { font-size: var(--text-sm); font-weight: 600; color: var(--black); }
.industry-card-desc { font-size: var(--text-xs); color: var(--mid); }
.industry-card-badge {
    position: absolute; top: 8px; right: 8px;
    font-size: 0.6rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
    padding: 2px 8px; border-radius: 980px; background: var(--success); color: white;
}
.industry-card-badge.coming { background: var(--light); color: var(--mid); }
.industry-card-primary {
    border: none; cursor: pointer; border: 2px solid var(--accent);
    background: var(--accent-subtle); font-family: inherit;
}
.industry-card-primary svg { color: var(--accent); }
.industry-card-primary:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0, 113, 227, 0.12); }
.industry-card-muted { opacity: 0.5; }
.industry-card-muted:hover { opacity: 0.65; }

/* ─── Contrast Strip ──────────────────────────────────────────── */
.contrast-strip {
    display: flex; align-items: center; justify-content: center; gap: var(--space-xl);
    width: 100%; max-width: 600px; margin: var(--space-lg) auto var(--space-xl); padding: var(--space-lg) 0;
}
.manual-side, .auto-side { flex: 1; text-align: center; }
.manual-label, .auto-label { font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: var(--space-sm); }
.manual-label { color: var(--mid); }
.auto-label { color: var(--accent); }
.manual-anim { display: flex; flex-direction: column; align-items: center; gap: var(--space-sm); height: 48px; justify-content: center; }
.handwrite-svg { width: 120px; height: 24px; }
.handwrite-path { stroke-dasharray: 260; stroke-dashoffset: 260; animation: handDraw 6s linear infinite; }
@keyframes handDraw { 0% { stroke-dashoffset: 260; } 80% { stroke-dashoffset: 0; } 85% { stroke-dashoffset: 0; opacity: 1; } 95% { opacity: 0; } 100% { stroke-dashoffset: 260; opacity: 0; } }
.typing-dots { display: flex; gap: 4px; align-items: center; }
.typing-dot { width: 4px; height: 4px; background: var(--mid); border-radius: 50%; opacity: 0; animation: typeDot 2s ease-in-out infinite; animation-delay: calc(var(--d, 0) * 0.4s); }
@keyframes typeDot { 0%, 20% { opacity: 0; } 30% { opacity: 1; } 60% { opacity: 1; } 80%, 100% { opacity: 0; } }
.manual-time { font-size: var(--text-xs); color: var(--mid); margin-top: var(--space-sm); font-weight: 500; }
.auto-time { font-size: var(--text-xs); color: var(--accent); margin-top: var(--space-sm); font-weight: 600; }
.contrast-divider { flex-shrink: 0; display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; background: var(--accent-subtle); border-radius: 50%; }

/* ─── 3D Icon Stage ───────────────────────────────────────────── */
.icon-stage { width: 100%; height: 48px; perspective: 800px; overflow: visible; }
.stage-perspective { display: flex; align-items: center; justify-content: center; gap: 20px; height: 100%; transform-style: preserve-3d; }
.stage-icon { width: 32px; height: 32px; flex-shrink: 0; color: var(--dark); transform-style: preserve-3d; animation: iconDepth 4s var(--ease-in-out) infinite; animation-delay: calc(var(--i, 0) * 0.6s); }
.stage-icon svg { width: 100%; height: 100%; display: block; }
@keyframes iconDepth {
    0% { opacity: 0; transform: translateZ(-200px) translateY(20px) rotateX(40deg) scale(0.5); filter: blur(4px); }
    15% { opacity: 0.4; transform: translateZ(-80px) translateY(8px) rotateX(15deg) scale(0.8); filter: blur(1px); }
    30% { opacity: 1; transform: translateZ(40px) translateY(-4px) rotateX(-5deg) scale(1.08); filter: blur(0); }
    45%, 60% { opacity: 1; transform: translateZ(0) translateY(0) rotateX(0deg) scale(1); filter: blur(0); }
    80% { opacity: 0.5; transform: translateZ(-120px) translateY(10px) rotateX(25deg) scale(0.7); filter: blur(2px); }
    100% { opacity: 0; transform: translateZ(-200px) translateY(20px) rotateX(40deg) scale(0.5); filter: blur(4px); }
}

/* ─── Typewriter ──────────────────────────────────────────────── */
#typed-headline { min-height: 2.2em; }
.type-cursor { display: inline-block; width: 2px; height: 0.85em; background: var(--dark); opacity: 0; margin-left: 1px; vertical-align: baseline; position: relative; top: 0.06em; }
.type-cursor.typing { opacity: 0.4; animation: none; }
.type-cursor.idle { animation: cursorPulse 0.9s ease-in-out infinite; }
.type-cursor.done { animation: cursorDrift 2s ease-out forwards; }
@keyframes cursorPulse { 0%, 100% { opacity: 0.4; } 50% { opacity: 0; } }
@keyframes cursorDrift { 0% { opacity: 0.4; } 60% { opacity: 0.15; } 100% { opacity: 0; } }
.type-line { display: block; }
.type-char { display: none; }
.type-char.on { display: inline; }
.type-char.accent { color: var(--accent); }

/* ─── Landing Sections (shared) ──────────────────────────────── */
.section-label { font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: var(--space-md); }
.section-title { font-size: var(--text-3xl); font-weight: 700; letter-spacing: -0.035em; color: var(--black); margin-bottom: var(--space-lg); text-align: center; }
.section-body { font-size: var(--text-md); color: var(--mid); line-height: 1.7; max-width: 600px; margin: 0 auto var(--space-2xl); text-align: center; }

/* Reveal */
.reveal-item { opacity: 0; transform: translateY(30px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); transition-delay: calc(var(--reveal, 0) * 0.12s); }
.reveal-item.visible { opacity: 1; transform: translateY(0); }

/* Steps */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); margin-top: var(--space-2xl); }
.step-card {
    text-align: left; padding: var(--space-2xl) var(--space-xl);
    border: none; border-radius: var(--radius-lg);
    background: var(--white);
    transition: transform var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal);
}
.step-card:hover { transform: translateY(-8px); box-shadow: 0 20px 60px rgba(0,0,0,0.06); }
.step-number { font-family: var(--font-mono); font-size: var(--text-3xl); font-weight: 700; color: var(--accent); opacity: 0.2; line-height: 1; margin-bottom: var(--space-xl); }
.step-card h3 { font-size: var(--text-xl); margin-bottom: var(--space-md); }
.step-card p { font-size: var(--text-sm); color: var(--mid); line-height: 1.7; }

/* Enterprise */
.enterprise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); margin-top: var(--space-2xl); }
.enterprise-card {
    background: var(--white); padding: var(--space-2xl) var(--space-xl); border-radius: var(--radius-lg);
    border: none; text-align: left;
    transition: transform var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal);
}
.enterprise-card:hover { transform: translateY(-8px); box-shadow: 0 20px 60px rgba(0,0,0,0.06); }
.enterprise-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-md); }
.enterprise-card p { font-size: var(--text-sm); color: var(--mid); line-height: 1.7; margin-bottom: var(--space-md); }
.enterprise-cta { text-align: center; margin-top: var(--space-2xl); }
.api-example { display: block; font-family: var(--font-mono); font-size: var(--text-xs); background: var(--off-white); padding: var(--space-md); border-radius: var(--radius-sm); color: var(--accent); line-height: 1.5; }

/* ─── Resources page ─────────────────────────────────────────── */
.resources-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl);
    margin-top: var(--space-xl); text-align: left;
}
.resources-column { display: flex; flex-direction: column; gap: var(--space-sm); }
.resources-column-title {
    font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--accent); margin-bottom: var(--space-sm); padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--light);
}
.resource-link {
    display: block; padding: var(--space-md); border-radius: var(--radius-sm);
    border: 1px solid var(--light); transition: all var(--duration-fast) var(--ease-out);
    text-decoration: none; color: inherit;
}
.resource-link:hover { border-color: var(--accent); background: var(--accent-subtle); transform: translateY(-2px); }
.resource-link-source { font-size: var(--text-xs); font-weight: 600; color: var(--mid); letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 2px; }
.resource-link-title { font-size: var(--text-sm); font-weight: 600; color: var(--black); margin-bottom: 2px; }
.resource-link-desc { font-size: var(--text-xs); color: var(--mid); line-height: 1.4; }

/* Contact */
.contact-section { background: var(--black); color: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3xl); align-items: start; text-align: left; }
.contact-info-landing { padding-right: var(--space-xl); }
.contact-body { font-size: var(--text-md); color: var(--mid); line-height: 1.7; margin-bottom: var(--space-2xl); }
.contact-details-landing { display: grid; gap: var(--space-lg); }
.contact-detail-landing { display: flex; flex-direction: column; gap: var(--space-xs); }
.contact-detail-label-l { font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--mid); }
.contact-detail-landing a, .contact-detail-landing span { font-size: var(--text-base); color: var(--white); text-decoration: none; transition: color var(--duration-fast); }
.contact-detail-landing a:hover { color: var(--accent); }
.contact-form-wrapper { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-lg); padding: var(--space-xl); }
.contact-form-landing { display: grid; gap: var(--space-lg); }
.contact-form-landing .form-group label { color: var(--mid); }
.contact-form-landing .form-group input,
.contact-form-landing .form-group select,
.contact-form-landing .form-group textarea { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.12); color: var(--white); }
.contact-form-landing .form-group input::placeholder,
.contact-form-landing .form-group textarea::placeholder { color: rgba(255,255,255,0.2); }
.contact-form-landing .form-group input:focus,
.contact-form-landing .form-group select:focus,
.contact-form-landing .form-group textarea:focus { border-color: var(--accent); }
.contact-form-landing .form-group select option { background: var(--black); color: var(--white); }

/* Footer */
.footer-inline {
    background: transparent; border-top: 1px solid rgba(255,255,255,0.06);
    padding: var(--space-lg) 0 var(--space-md);
    font-size: var(--text-sm); color: var(--mid); margin-top: auto;
}
.footer-inline a { color: var(--mid); text-decoration: none; transition: color var(--duration-fast); }
.footer-inline a:hover { color: var(--white); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-2xl); margin-bottom: var(--space-lg); }
.footer-brand { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-logo { font-size: var(--text-xl); font-weight: 700; letter-spacing: -0.03em; color: var(--white); }
.footer-brand p { color: var(--mid); font-size: var(--text-sm); }
.footer-col { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-col-title { font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--white); margin-bottom: var(--space-sm); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: var(--space-md); font-size: var(--text-xs); color: var(--mid); opacity: 0.5; text-align: center; }

/* Scroll indicator */
.scroll-indicator { margin-top: var(--space-xl); display: flex; justify-content: center; }
.scroll-down-btn { background: none; border: none; cursor: pointer; padding: 8px; }
.scroll-line { width: 1px; height: 48px; background: var(--light); position: relative; overflow: hidden; }
.scroll-line::after { content: ''; position: absolute; top: -48px; left: 0; width: 1px; height: 48px; background: var(--accent); animation: scrollPulse 2s var(--ease-in-out) infinite; }
@keyframes scrollPulse { 0% { transform: translateY(0); } 100% { transform: translateY(96px); } }

/* Fade helpers */
.fade-in { opacity: 0; animation: fadeIn 0.8s var(--ease-out) forwards; animation-delay: var(--fade-delay, 0s); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ─── Page counter ───────────────────────────────────────────── */
.landing-page-counter {
    position: fixed; bottom: 28px; left: 28px; z-index: 101;
    font-family: var(--font-mono); font-size: var(--text-xs);
    color: var(--mid); letter-spacing: 0.1em;
    transition: color var(--duration-fast);
}
.landing-page-counter.on-dark { color: rgba(255,255,255,0.3); }


/* ═══════════════════════════════════════════════════════════════════
   APP SHELL (Builder workspace)
   ═══════════════════════════════════════════════════════════════════ */

.app-shell { display: flex; min-height: 100vh; }

/* ─── Sidebar ─────────────────────────────────────────────────── */
.sidebar {
    position: fixed; left: 0; top: 0; bottom: 0; width: var(--sidebar-width);
    background: var(--black); color: var(--white);
    display: flex; flex-direction: column; z-index: 200;
    transition: transform var(--duration-normal) var(--ease-out);
}
.sidebar-logo {
    display: flex; align-items: center; gap: var(--space-md);
    padding: var(--space-lg) var(--space-lg);
    text-decoration: none; color: var(--white);
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.logo-mark { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.logo-text { font-size: var(--text-base); font-weight: 600; letter-spacing: -0.02em; }

.sidebar-nav { flex: 1; padding: var(--space-md) var(--space-sm); display: flex; flex-direction: column; gap: 2px; }
.sidebar-bottom { padding: var(--space-md) var(--space-sm); border-top: 1px solid rgba(255,255,255,0.04); display: flex; flex-direction: column; gap: 2px; }

.nav-item {
    display: flex; align-items: center; gap: var(--space-md);
    padding: 10px var(--space-md); border-radius: var(--radius-sm);
    font-size: var(--text-sm); font-weight: 400; color: rgba(255,255,255,0.45);
    transition: all var(--duration-fast); text-decoration: none;
}
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-item:hover { color: rgba(255,255,255,0.85); background: rgba(255,255,255,0.05); }
.nav-item.active { color: var(--white); background: rgba(255,255,255,0.08); font-weight: 500; }

/* ─── Mobile Header ───────────────────────────────────────────── */
.mobile-header {
    display: none; position: fixed; top: 0; left: 0; right: 0; height: 56px;
    background: var(--black); color: var(--white); align-items: center;
    padding: 0 var(--space-md); gap: var(--space-md); z-index: 190;
}
.menu-toggle { background: none; border: none; color: var(--white); cursor: pointer; padding: var(--space-xs); }
.menu-toggle svg { width: 22px; height: 22px; }
.mobile-logo { font-size: var(--text-lg); font-weight: 700; letter-spacing: -0.03em; }

.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 199; }
.sidebar-overlay.active { display: block; }

/* ─── Main Content ────────────────────────────────────────────── */
.main-content {
    margin-left: var(--sidebar-width); min-height: 100vh; flex: 1;
    padding: var(--space-2xl) var(--space-2xl) var(--space-3xl);
    max-width: calc(var(--sidebar-width) + 1100px);
}

/* ─── Pages ───────────────────────────────────────────────────── */
.page { display: none; animation: pageIn 0.4s var(--ease-out) both; }
.page.active { display: block; }
@keyframes pageIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.page-header {
    display: flex; align-items: flex-end; justify-content: space-between;
    margin-bottom: var(--space-2xl); flex-wrap: wrap; gap: var(--space-md);
}
.page-title { font-size: var(--text-2xl); font-weight: 700; letter-spacing: -0.035em; margin-bottom: var(--space-xs); }
.page-subtitle { font-size: var(--text-sm); color: var(--mid); }

/* ─── Dashboard ───────────────────────────────────────────────── */
.dash-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); margin-bottom: var(--space-2xl); }
.dash-stat-card {
    padding: var(--space-xl); background: var(--off-white); border-radius: var(--radius-md);
    border: 1px solid transparent; transition: transform var(--duration-fast) var(--ease-out);
}
.dash-stat-card:hover { transform: translateY(-3px); }
.dash-stat-card.accent-card { background: var(--accent-subtle); border-color: rgba(0,113,227,0.08); }
.dash-stat-value { font-size: var(--text-xl); font-weight: 700; letter-spacing: -0.02em; color: var(--black); font-variant-numeric: tabular-nums; }
.dash-stat-label { font-size: var(--text-xs); font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--mid); margin-top: var(--space-xs); }

.dash-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2xl); }
.dash-section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-lg); }
.dash-section-header h2 { font-size: var(--text-lg); font-weight: 600; }
.link-subtle { font-size: var(--text-xs); font-weight: 500; color: var(--accent); background: none; border: none; cursor: pointer; text-decoration: none; }
.link-subtle:hover { opacity: 0.7; }

/* Empty state */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: var(--space-3xl) var(--space-xl); text-align: center; color: var(--mid); }
.empty-icon { width: 48px; height: 48px; color: var(--light); margin-bottom: var(--space-md); }
.empty-state p { font-size: var(--text-sm); margin-bottom: var(--space-lg); }

/* Project list */
.project-list { display: flex; flex-direction: column; gap: var(--space-sm); }
.project-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: var(--space-lg) var(--space-xl); background: var(--off-white);
    border-radius: var(--radius-md); cursor: pointer; transition: all var(--duration-fast) var(--ease-out);
    border: 1px solid transparent; text-decoration: none; color: inherit;
}
.project-item:hover { border-color: var(--accent); background: var(--accent-subtle); transform: translateX(4px); }
.project-item-info { display: flex; flex-direction: column; gap: 2px; }
.project-item-name { font-size: var(--text-base); font-weight: 600; color: var(--black); }
.project-item-meta { font-size: var(--text-xs); color: var(--mid); }
.project-item-cost { font-family: var(--font-mono); font-size: var(--text-base); font-weight: 600; color: var(--black); }

/* Project grid */
.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--space-md); }
.project-card {
    padding: var(--space-xl); background: var(--off-white); border-radius: var(--radius-md);
    border: 1px solid transparent; cursor: pointer; transition: all var(--duration-normal) var(--ease-out);
    text-decoration: none; color: inherit;
}
.project-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.04); }
.project-card-title { font-size: var(--text-md); font-weight: 600; color: var(--black); margin-bottom: var(--space-xs); }
.project-card-meta { font-size: var(--text-xs); color: var(--mid); margin-bottom: var(--space-lg); }
.project-card-stats { display: flex; gap: var(--space-xl); }
.project-card-stat { display: flex; flex-direction: column; }
.project-card-stat-val { font-family: var(--font-mono); font-size: var(--text-sm); font-weight: 600; color: var(--black); }
.project-card-stat-label { font-size: var(--text-xs); color: var(--mid); }

/* ─── News Feed ───────────────────────────────────────────────── */
.news-feed { display: flex; flex-direction: column; gap: var(--space-xl); }
.news-cat-label { font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: var(--space-sm); }
.news-category { display: flex; flex-direction: column; gap: var(--space-xs); }
.news-item {
    display: block; padding: var(--space-md) var(--space-lg); border-radius: var(--radius-md);
    border: 1px solid var(--light); transition: all var(--duration-fast) var(--ease-out); text-decoration: none; color: inherit;
}
.news-item:hover { border-color: var(--accent); background: var(--accent-subtle); transform: translateX(2px); }
.news-source { font-size: var(--text-xs); font-weight: 600; color: var(--mid); letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 2px; }
.news-title { font-size: var(--text-sm); font-weight: 600; color: var(--black); margin-bottom: 2px; }
.news-desc { font-size: var(--text-xs); color: var(--mid); line-height: 1.4; }

/* ─── Upload Zone ─────────────────────────────────────────────── */
.upload-container { max-width: 640px; }
.upload-zone {
    position: relative; padding: var(--space-3xl) var(--space-xl);
    border: 2px dashed var(--light); border-radius: var(--radius-lg);
    cursor: pointer; transition: all var(--duration-normal) var(--ease-out); background: var(--white); text-align: center;
}
.upload-zone:hover, .upload-zone.drag-over { border-color: var(--accent); background: var(--accent-subtle); }
.upload-zone.drag-over { box-shadow: 0 0 0 4px rgba(0,113,227,0.08); }
.upload-zone.hidden { display: none; }
.upload-inner { display: flex; flex-direction: column; align-items: center; gap: var(--space-sm); }
.upload-icon-ring { width: 72px; height: 72px; display: flex; align-items: center; justify-content: center; border: 2px solid var(--light); border-radius: 50%; margin-bottom: var(--space-lg); color: var(--mid); transition: all var(--duration-normal); }
.upload-zone:hover .upload-icon-ring { border-color: var(--accent); color: var(--accent); }
.upload-text { font-size: var(--text-lg); font-weight: 600; color: var(--dark); }
.upload-hint { font-size: var(--text-sm); color: var(--mid); }
.upload-input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

/* ─── Process Panel ───────────────────────────────────────────── */
.process-panel { display: none; margin-top: var(--space-xl); animation: pageIn 0.4s var(--ease-out) both; }
.process-panel.active { display: block; }
.process-filename { font-family: var(--font-mono); font-size: var(--text-sm); font-weight: 500; color: var(--dark); margin-bottom: var(--space-xs); }
.process-elapsed { font-size: var(--text-xs); color: var(--mid); font-variant-numeric: tabular-nums; margin-bottom: var(--space-xl); }
.process-steps { display: flex; flex-direction: column; margin-bottom: var(--space-xl); }
.process-step { display: flex; align-items: flex-start; gap: var(--space-md); padding: var(--space-sm) 0; opacity: 0.3; transition: opacity var(--duration-normal); }
.process-step.active, .process-step.done { opacity: 1; }
.step-indicator { position: relative; width: 22px; height: 22px; flex-shrink: 0; margin-top: 1px; }
.step-dot { display: block; width: 8px; height: 8px; border-radius: 50%; background: var(--mid); position: absolute; top: 7px; left: 7px; }
.step-spinner, .step-check { position: absolute; top: 0; left: 0; width: 22px; height: 22px; display: none; }
.step-spinner { color: var(--accent); }
.step-check { color: var(--success); }
.process-step.active .step-dot { display: none; }
.process-step.active .step-spinner { display: block; animation: spin 1s linear infinite; }
.process-step.done .step-dot { display: none; }
.process-step.done .step-spinner { display: none; }
.process-step.done .step-check { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }
.step-content { display: flex; flex-direction: column; gap: 2px; min-height: 28px; justify-content: center; }
.step-label { font-size: var(--text-sm); font-weight: 500; color: var(--dark); }
.process-step:not(.active):not(.done) .step-label { color: var(--mid); }
.step-detail { font-size: var(--text-xs); color: var(--mid); font-family: var(--font-mono); }
.progress-bar-track { width: 100%; height: 2px; background: var(--light); border-radius: 980px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--accent); border-radius: 980px; width: 0%; transition: width 1s var(--ease-out); }
.process-status { font-size: var(--text-xs); color: var(--mid); margin-top: var(--space-sm); min-height: 1.2em; }

/* ─── Results ─────────────────────────────────────────────────── */
.breadcrumb { display: flex; align-items: center; gap: var(--space-sm); font-size: var(--text-xs); color: var(--mid); margin-bottom: var(--space-sm); }
.breadcrumb a { color: var(--accent); }
.breadcrumb a:hover { text-decoration: underline; }
.results-page-header { margin-bottom: var(--space-2xl); }
.result-meta { font-size: var(--text-sm); color: var(--mid); }
.result-actions { display: flex; gap: var(--space-sm); }

/* Stats — Apple-style large number cards */
.stats-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}
.stat-card {
    padding: var(--space-xl) var(--space-xl);
    background: var(--off-white); border-radius: var(--radius-lg);
    transition: transform var(--duration-fast) var(--ease-out);
}
.stat-card:hover { transform: translateY(-3px); }
.stat-card.accent-stat {
    background: var(--black); border: none;
    grid-column: span 1;
}
.stat-card.accent-stat .stat-value { color: var(--white); font-size: var(--text-2xl); }
.stat-card.accent-stat .stat-label { color: rgba(255,255,255,0.5); }
.stat-value { font-size: var(--text-xl); font-weight: 700; letter-spacing: -0.03em; color: var(--black); line-height: 1.2; }
.stat-label { font-size: var(--text-xs); font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; color: var(--mid); margin-top: 6px; }
.stat-sublabel { font-size: 11px; font-weight: 500; color: var(--mid); margin-top: 2px; line-height: 1.3; }
.stat-sublabel.close { color: #30D158; }
.stat-sublabel.moderate { color: #FF9F0A; }
.stat-sublabel.far { color: #FF3B30; }

/* Categories — clean expandable sections */
.category-grid { display: grid; gap: 1px; background: var(--light); border-radius: var(--radius-md); overflow: hidden; }
.category-card { background: var(--white); overflow: hidden; transition: background var(--duration-fast); }
.category-card:hover { background: var(--off-white); }
.category-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: var(--space-lg) var(--space-xl); cursor: pointer; user-select: none;
    transition: background var(--duration-fast);
}
.category-name { font-size: var(--text-base); font-weight: 600; color: var(--black); }
.category-subtotal { font-family: var(--font-mono); font-size: var(--text-base); font-weight: 600; color: var(--dark); }
.category-chevron { width: 18px; height: 18px; opacity: 0.25; transition: transform var(--duration-fast), opacity var(--duration-fast); }
.category-card:hover .category-chevron { opacity: 0.5; }
.category-card.open .category-chevron { transform: rotate(180deg); opacity: 0.5; }
.category-items { display: none; padding: 0 var(--space-xl) var(--space-lg); }
.category-card.open .category-items { display: block; }

.item-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.item-table th { text-align: left; font-size: var(--text-xs); font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; color: var(--mid); padding: var(--space-sm); border-bottom: 1px solid var(--light); }
.item-table td { padding: var(--space-sm); border-bottom: 1px solid var(--off-white); color: var(--dark); vertical-align: top; }
.item-table tr:last-child td { border-bottom: none; }
.item-table .item-code { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--mid); white-space: nowrap; }
.item-table .qty { font-family: var(--font-mono); text-align: right; }
.item-table .cost { font-family: var(--font-mono); text-align: right; font-weight: 500; }
.item-table .trade-tag { display: inline-block; padding: 2px 8px; background: var(--off-white); border-radius: 980px; font-size: var(--text-xs); color: var(--dark); }

/* ─── Total Bar — dramatic, Apple-style ───────────────────────── */
.total-bar {
    position: sticky; bottom: 0; background: var(--black); color: var(--white);
    padding: var(--space-xl) var(--space-2xl); border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: space-between;
    margin-top: var(--space-2xl);
    box-shadow: 0 -4px 40px rgba(0,0,0,0.12), 0 0 0 1px rgba(255,255,255,0.05) inset;
}
.total-label { font-size: var(--text-sm); font-weight: 400; opacity: 0.6; }
.total-note { font-size: var(--text-xs); opacity: 0.3; margin-top: 2px; }
.total-value { font-size: var(--text-2xl); font-weight: 700; font-family: var(--font-mono); letter-spacing: -0.03em; }

/* ─── Procurement ─────────────────────────────────────────────── */
.procurement-bar {
    margin-top: var(--space-xl); padding: var(--space-2xl);
    background: var(--off-white); border-radius: var(--radius-lg);
    border: none;
}
.procurement-heading {
    font-size: var(--text-xs); font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.1em; color: var(--mid); margin-bottom: var(--space-lg);
}
.procurement-actions { display: flex; gap: var(--space-md); flex-wrap: wrap; }
.btn-procurement {
    display: flex; flex-direction: column; align-items: flex-start;
    padding: var(--space-lg) var(--space-xl); border-radius: var(--radius-md);
    border: none; background: var(--white);
    cursor: pointer; transition: all var(--duration-normal) var(--ease-out); min-width: 200px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.btn-procurement:hover:not(:disabled) { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.08); }
.btn-procurement:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-procurement .supplier-name { font-size: var(--text-md); font-weight: 700; color: var(--dark); }
.btn-procurement .supplier-action { font-size: var(--text-xs); color: var(--accent); font-weight: 500; margin-top: 4px; }
.btn-procurement:disabled .supplier-action { color: var(--mid); }
.btn-procurement.mitre10 { border-left: 3px solid #D4212A; }
.btn-procurement.bunnings { border-left: 3px solid #0D5257; }

/* Stage-level Order buttons */
.btn-order-stage {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 5px 14px; border-radius: 980px;
    border: none; background: var(--accent); color: white;
    font-family: var(--font-display); font-size: var(--text-xs); font-weight: 600; cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out); white-space: nowrap;
    box-shadow: 0 1px 3px rgba(0,113,227,0.2);
}
.btn-order-stage:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,113,227,0.25); }

/* Quote CTA in total bar */
.btn-quote-cta {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border-radius: 980px;
    border: none; background: var(--accent); color: white;
    font-family: var(--font-display); font-size: var(--text-sm); font-weight: 600; cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out); white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0,113,227,0.3);
}
.btn-quote-cta:hover { background: var(--accent-hover); transform: scale(1.02); box-shadow: 0 4px 16px rgba(0,113,227,0.35); }

/* ─── Modal ──────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.5);
    display: flex; align-items: center; justify-content: center; z-index: 1000;
    backdrop-filter: blur(8px);
}
.modal-card {
    background: var(--white); border-radius: var(--radius-lg);
    width: 90%; max-width: 520px; max-height: 90vh; overflow-y: auto;
    box-shadow: 0 24px 80px rgba(0,0,0,0.2);
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: var(--space-xl) var(--space-xl) var(--space-lg);
    border-bottom: none;
}
.modal-header h2 { font-size: var(--text-lg); font-weight: 700; }
.modal-close {
    background: none; border: none; font-size: 24px; cursor: pointer;
    color: var(--mid); line-height: 1; padding: 4px;
    transition: color var(--duration-fast);
}
.modal-close:hover { color: var(--dark); }
.modal-body { padding: 0 var(--space-xl) var(--space-xl); }
.modal-step { display: flex; gap: var(--space-md); margin-bottom: var(--space-xl); }
.modal-step:last-child { margin-bottom: 0; }
.step-num {
    flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
    background: var(--accent); color: white; font-weight: 700; font-size: var(--text-sm);
    display: flex; align-items: center; justify-content: center;
}
.step-content { flex: 1; }
.step-content p { margin-bottom: var(--space-xs); }
.step-desc { font-size: var(--text-sm); color: var(--mid); margin-bottom: var(--space-sm) !important; }
.step-check { color: var(--success); font-weight: 600; font-size: var(--text-sm); margin-left: var(--space-sm); }
.prefill-summary {
    background: var(--off-white); border-radius: var(--radius-sm);
    padding: var(--space-md); margin-bottom: var(--space-md);
    font-size: var(--text-sm);
}
.prefill-row { padding: 4px 0; }
.prefill-label { font-weight: 600; color: var(--mid); }
.email-row { display: flex; gap: var(--space-sm); align-items: center; }
.email-row input { flex: 1; padding: 8px 12px; border: 1px solid var(--light); border-radius: var(--radius-sm); font-size: var(--text-sm); }
.email-row input:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-subtle); }
.confirmation-msg {
    margin-top: var(--space-md); padding: var(--space-md);
    border-radius: var(--radius-sm); font-size: var(--text-sm); font-weight: 500;
}
.confirmation-msg.success { background: rgba(48,209,88,0.08); color: #0B6623; }
.confirmation-msg.error { background: rgba(255,59,48,0.06); color: #CC1100; }

/* Stage note in modal */
.stage-note {
    padding: 8px 12px; background: var(--accent-subtle);
    border-radius: var(--radius-sm); font-size: var(--text-sm);
    font-weight: 600; color: var(--accent);
}

/* ─── Forms ───────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: var(--space-xs); }
.form-group label { font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--mid); }
.form-group input, .form-group select, .form-group textarea {
    font-family: var(--font-display); font-size: var(--text-base); padding: 12px 16px;
    background: var(--white); border: 1px solid var(--light); border-radius: var(--radius-sm);
    color: var(--dark); transition: border-color var(--duration-fast); outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-subtle); }
.form-group textarea { resize: vertical; min-height: 80px; }


/* ─── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .dash-grid { grid-template-columns: 1fr; }
    .enterprise-grid { grid-template-columns: 1fr; }
    .industry-cards { grid-template-columns: 1fr; max-width: 320px; }
    .resources-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .mobile-header { display: flex; }
    .main-content { margin-left: 0; padding: 72px var(--space-lg) var(--space-2xl); }
    .dash-stats { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-card.accent-stat { grid-column: span 2; }
    .result-actions { flex-wrap: wrap; }
    .total-bar { flex-direction: column; gap: var(--space-md); text-align: center; padding: var(--space-xl); }
    .contact-grid { grid-template-columns: 1fr; gap: var(--space-2xl); }
    .contact-info-landing { padding-right: 0; }
    .landing-page-dark .section-title { text-align: center; }
    .landing-nav-links a:not(.btn-nav) { display: none; }
    .steps-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
    .section-title { font-size: var(--text-2xl); }
    .contrast-strip { flex-direction: column; gap: var(--space-md); }
    .contrast-divider { transform: rotate(90deg); }
    .page-header { flex-direction: column; }
    .landing-dots { right: 12px; }
    .landing-dot { width: 7px; height: 7px; }
    .landing-cta { bottom: 16px; right: 16px; }
    .landing-page-counter { left: 16px; bottom: 16px; }
    .landing-page { padding: 80px var(--space-md) var(--space-xl); }
}

@media (max-width: 480px) {
    .dash-stats { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .stat-card.accent-stat { grid-column: span 1; }
    .project-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
}

/* ─── Print ───────────────────────────────────────────────────── */
@media print {
    .sidebar, .mobile-header, .btn, .breadcrumb, .landing-nav, .landing, .landing-dots, .landing-cta, .landing-page-counter, .procurement-bar, .btn-order-stage, .btn-quote-cta { display: none !important; }
    .app-shell { display: block !important; }
    .main-content { margin-left: 0; padding: 0; }
    .page { display: block !important; }
    .category-items { display: block !important; }
    .total-bar { position: static; box-shadow: none; }
    body { color: black; background: white; }
}