/* ===== CSS VARIABLES ===== */
:root {
    --blue: #2563EB;
    --blue-dark: #1D4ED8;
    --indigo: #4F46E5;
    --orange: #F97316;
    --dark: #0F172A;
    --dark-2: #1E293B;
    --dark-3: #334155;
    --muted: #64748B;
    --border: #E2E8F0;
    --light: #F8FAFC;
    --white: #FFFFFF;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    --radius: 12px;
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 48px rgba(0,0,0,0.14);
    --transition: 0.25s ease;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--dark-2); line-height: 1.6; background: var(--white); overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; font-size: 1rem; }

/* ===== LANGUAGE SWITCHING ===== */
html[lang="zh"] .en { display: none !important; }
html[lang="en"] .zh { display: none !important; }
.zh, .en { display: inline; }
p .zh, p .en,
h1 .zh, h1 .en,
h2 .zh, h2 .en,
h3 .zh, h3 .en,
h4 .zh, h4 .en { display: inline; }

/* ===== LAYOUT ===== */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-white { background: var(--white); }
.section-light { background: var(--light); }
.section-dark { background: var(--dark); }

/* ===== TYPOGRAPHY ===== */
h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }
p { color: var(--muted); line-height: 1.75; }

.text-accent { color: var(--orange); }
.text-gradient {
    background: linear-gradient(135deg, var(--blue), var(--indigo));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition);
    white-space: nowrap;
}
.btn-primary {
    background: var(--blue);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(37,99,235,0.35);
}
.btn-primary:hover { background: var(--blue-dark); box-shadow: 0 6px 20px rgba(37,99,235,0.45); transform: translateY(-1px); }
.btn-ghost { color: var(--dark-2); border: 2px solid var(--border); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-outline { border: 1.5px solid rgba(255,255,255,0.25); color: var(--white); }
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.5); }
.btn-sm { padding: 8px 16px; font-size: 0.875rem; }
.btn-lg { padding: 16px 32px; font-size: 1rem; border-radius: 10px; }
.btn-full { width: 100%; justify-content: center; }

/* ===== SECTION HEADER ===== */
.section-header { text-align: center; max-width: 700px; margin: 0 auto 64px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { font-size: 1.1rem; }

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--blue);
    background: rgba(37,99,235,0.08);
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 20px;
}
.section-tag-light { color: rgba(255,255,255,0.7); background: rgba(255,255,255,0.1); }

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 0;
    transition: all var(--transition);
    background: transparent;
}
.navbar.scrolled {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--border);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-text {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
    transition: color var(--transition);
}
.navbar.scrolled .logo-text { color: var(--dark-2); }
.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    transition: color var(--transition);
}
.nav-links a:hover { color: var(--white); }
.navbar.scrolled .nav-links a { color: var(--dark-3); }
.navbar.scrolled .nav-links a:hover { color: var(--blue); }
.navbar.scrolled .nav-links .btn-outline { border-color: var(--blue); color: var(--blue); }
.navbar.scrolled .nav-links .btn-outline:hover { background: var(--blue); color: white; }
.nav-right { display: flex; align-items: center; gap: 12px; }
.lang-toggle {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: rgba(255,255,255,0.7);
    border: 1.5px solid rgba(255,255,255,0.3);
    padding: 5px 12px;
    border-radius: 6px;
    transition: all var(--transition);
}
.lang-toggle:hover { color: white; border-color: white; }
.navbar.scrolled .lang-toggle { color: var(--dark-3); border-color: var(--border); }
.navbar.scrolled .lang-toggle:hover { color: var(--blue); border-color: var(--blue); }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: white; border-radius: 2px; transition: all var(--transition); }
.navbar.scrolled .hamburger span { background: var(--dark-2); }

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #0F172A 0%, #1E1B4B 50%, #0F172A 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(ellipse, rgba(37,99,235,0.25) 0%, transparent 70%);
    pointer-events: none;
}
.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    padding-top: 80px;
    padding-bottom: 80px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.8);
    padding: 8px 18px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 32px;
}
.badge-pulse {
    width: 8px;
    height: 8px;
    background: #4ADE80;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 0 0 rgba(74,222,128,0.4);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(74,222,128,0.4); }
    70% { box-shadow: 0 0 0 8px rgba(74,222,128,0); }
    100% { box-shadow: 0 0 0 0 rgba(74,222,128,0); }
}
.hero-title {
    color: var(--white);
    margin-bottom: 24px;
}
.hero-title em {
    font-style: normal;
    background: linear-gradient(135deg, #60A5FA, #A78BFA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.65);
    max-width: 620px;
    margin: 0 auto 40px;
    line-height: 1.7;
}
.hero-desc strong { color: rgba(255,255,255,0.9); }
.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 64px;
}
.hero-actions .btn-ghost {
    color: rgba(255,255,255,0.8);
    border-color: rgba(255,255,255,0.25);
}
.hero-actions .btn-ghost:hover {
    color: white;
    border-color: rgba(255,255,255,0.6);
    background: rgba(255,255,255,0.05);
}
.hero-stats {
    display: flex;
    align-items: center;
    gap: 0;
    justify-content: center;
    flex-wrap: wrap;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 28px 40px;
    backdrop-filter: blur(10px);
}
.hstat { text-align: center; padding: 0 32px; }
.hstat-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
    margin-bottom: 6px;
}
.hstat-label { font-size: 0.8rem; color: rgba(255,255,255,0.5); }
.hstat-sep { width: 1px; height: 48px; background: rgba(255,255,255,0.12); }
.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
}
.hero-scroll span {
    display: block;
    width: 24px;
    height: 36px;
    border: 2px solid rgba(255,255,255,0.25);
    border-radius: 12px;
    position: relative;
}
.hero-scroll span::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: rgba(255,255,255,0.5);
    border-radius: 2px;
    animation: scrollHint 2s infinite;
}
@keyframes scrollHint {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.2; transform: translateX(-50%) translateY(6px); }
}

/* ===== PROBLEM CARDS ===== */
.cards-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px;
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.card h3 { margin-bottom: 12px; }
.card p { font-size: 0.95rem; margin-bottom: 20px; }
.card-stat { padding-top: 20px; border-top: 1px solid var(--border); }
.stat-big { font-size: 1.8rem; font-weight: 800; color: var(--dark-2); }

/* ===== SOLUTION ===== */
.solution-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.agent-diagram {
    position: relative;
    width: 320px;
    height: 320px;
    margin: 0 auto;
}
.agent-center {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 96px;
    height: 96px;
    background: linear-gradient(135deg, var(--blue), var(--indigo));
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    gap: 4px;
    z-index: 2;
    box-shadow: 0 0 40px rgba(37,99,235,0.5);
}
.agent-ring {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
}
.agent-node {
    position: absolute;
    top: 50%; left: 50%;
    width: 48px;
    height: 48px;
    margin: -24px;
    background: rgba(249,115,22,0.15);
    border: 2px solid var(--orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--orange);
    font-size: 0.7rem;
    font-weight: 700;
    transform: rotate(calc(var(--i) * 36deg)) translateY(-130px) rotate(calc(var(--i) * -36deg));
    animation: nodeFloat calc(3s + var(--i) * 0.3s) ease-in-out infinite alternate;
}
@keyframes nodeFloat {
    from { box-shadow: 0 0 0 0 rgba(249,115,22,0.3); }
    to { box-shadow: 0 0 16px 4px rgba(249,115,22,0.2); }
}
.agent-label {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    font-size: 0.9rem;
    font-weight: 700;
    color: #60A5FA;
}
.solution-points { display: flex; flex-direction: column; gap: 32px; }
.sol-point { display: flex; gap: 20px; align-items: flex-start; }
.sol-num {
    flex-shrink: 0;
    font-size: 1.5rem;
    font-weight: 900;
    color: rgba(255,255,255,0.1);
    line-height: 1;
    min-width: 36px;
}
.sol-text h4 { color: var(--white); margin-bottom: 6px; }
.sol-text p { font-size: 0.9rem; color: #94A3B8; }

/* ===== STEPS ===== */
.steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    justify-content: center;
}
.step {
    flex: 1;
    max-width: 220px;
    text-align: center;
    padding: 0 16px;
}
.step-num {
    width: 36px;
    height: 36px;
    background: var(--blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.85rem;
    margin: 0 auto 16px;
}
.step-icon {
    width: 64px;
    height: 64px;
    background: var(--light);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--blue);
}
.step h4 { margin-bottom: 10px; font-size: 1rem; }
.step p { font-size: 0.88rem; }
.step-arrow {
    font-size: 1.5rem;
    color: var(--border);
    margin-top: 88px;
    flex-shrink: 0;
}

/* ===== PIPELINE (HOW IT WORKS) ===== */
.pipeline {
    display: flex;
    align-items: stretch;
    gap: 0;
    margin-bottom: 32px;
}
.phase-card {
    flex: 1;
    background: var(--white);
    border-radius: var(--radius);
    padding: 28px;
    border: 1.5px solid var(--border);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.phase-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.phase-1 { border-top: 3px solid #2563EB; }
.phase-2 { border-top: 3px solid #F97316; }
.phase-3 { border-top: 3px solid #10B981; }
.phase-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.phase-badge {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
}
.phase-channel {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--muted);
    background: var(--light);
    padding: 4px 10px;
    border-radius: 100px;
}
.phase-card h3 { font-size: 1rem; margin: 0; }
.phase-card p { font-size: 0.875rem; margin: 0; }
.phase-steps {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}
.phase-steps li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--dark-3);
}
.step-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--blue);
    flex-shrink: 0;
    margin-top: 6px;
}
.phase-2 .step-dot { background: var(--orange); }
.phase-3 .step-dot { background: #10B981; }
.phase-tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}
.ptag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 100px;
    background: var(--light);
    color: var(--muted);
    border: 1px solid var(--border);
}
.phase-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 12px;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--muted);
    text-align: center;
    flex-shrink: 0;
    white-space: nowrap;
}
.pipeline-note {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(37,99,235,0.06);
    border: 1px solid rgba(37,99,235,0.15);
    border-radius: 8px;
    padding: 14px 20px;
    font-size: 0.875rem;
    color: var(--dark-3);
}
@media (max-width: 900px) {
    .pipeline { flex-direction: column; }
    .phase-arrow { flex-direction: row; padding: 12px 0; }
    .phase-arrow svg { transform: rotate(90deg); }
}

/* ===== FEATURES GRID ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feat-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: all var(--transition);
}
.feat-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: transparent; }
.feat-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}
.feat-card h4 { margin-bottom: 10px; }
.feat-card p { font-size: 0.9rem; }

/* ===== MARKET ===== */
.market-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.market-stat-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    transition: all var(--transition);
}
.market-stat-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.market-stat-card.highlight {
    background: linear-gradient(135deg, var(--blue), var(--indigo));
    border-color: transparent;
    color: white;
}
.msnum {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--dark-2);
    line-height: 1;
    margin-bottom: 8px;
}
.market-stat-card.highlight .msnum { color: white; }
.msname {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-3);
    margin-bottom: 8px;
}
.market-stat-card.highlight .msname { color: rgba(255,255,255,0.9); }
.msdesc { font-size: 0.8rem; color: var(--muted); }
.market-stat-card.highlight .msdesc { color: rgba(255,255,255,0.65); }

/* ===== CLOUD ===== */
.cloud-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.cloud-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    padding: 32px;
    transition: all var(--transition);
}
.cloud-card:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.2); }
.cloud-icon { margin-bottom: 20px; }
.cloud-card h4 { color: var(--white); margin-bottom: 10px; }
.cloud-card p { font-size: 0.9rem; color: #94A3B8; }

/* ===== TRACTION ===== */
.traction-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}
.trac-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 20px;
    text-align: center;
}
.trac-card.highlight {
    background: linear-gradient(135deg, var(--orange), #FB923C);
    border-color: transparent;
}
.trac-num {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--dark-2);
    line-height: 1;
    margin-bottom: 10px;
}
.trac-card.highlight .trac-num { color: white; }
.trac-label { font-size: 0.9rem; color: var(--muted); font-weight: 500; }
.trac-card.highlight .trac-label { color: rgba(255,255,255,0.85); }
.traction-note { text-align: center; font-size: 0.85rem; color: var(--muted); }

/* ===== TEAM ===== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.team-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: all var(--transition);
}
.team-card:hover { box-shadow: var(--shadow); }
.team-avatar {
    width: 64px;
    height: 64px;
    border-radius: 14px;
    background: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.team-name { font-weight: 700; margin-bottom: 6px; }
.team-role { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }

/* ===== CONTACT ===== */
.contact-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.contact-text .section-tag { margin-bottom: 24px; }
.contact-text h2 { margin-bottom: 20px; }
.contact-info { display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
.ci-item { display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,0.7); font-size: 0.95rem; }
.contact-form {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--dark-2); margin-bottom: 8px; }
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--dark-2);
    background: var(--light);
    outline: none;
    transition: border-color var(--transition);
    resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--blue); background: var(--white); }

/* ===== FOOTER ===== */
.footer { background: var(--dark-2); padding: 48px 0; }
.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-logo-text { font-weight: 700; color: var(--white); font-size: 1rem; }
.footer-sub { font-size: 0.8rem; color: var(--muted); margin-top: 2px; }
.footer-links {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    justify-content: center;
}
.footer-links a { font-size: 0.875rem; color: var(--muted); transition: color var(--transition); }
.footer-links a:hover { color: var(--white); }
.footer-copy { font-size: 0.8rem; color: var(--muted); }

/* ===== REVEAL ANIMATION ===== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
    opacity: 1;
    transform: none;
}

/* ===== MOBILE MENU ===== */
@media (max-width: 900px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 68px;
        left: 0;
        right: 0;
        background: rgba(15,23,42,0.98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 32px 24px;
        gap: 24px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .nav-links.open { display: flex; }
    .nav-links a { color: rgba(255,255,255,0.8); font-size: 1rem; }
    .hamburger { display: flex; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .solution-grid { grid-template-columns: 1fr; gap: 48px; }
    .agent-diagram { width: 280px; height: 280px; }
    .contact-inner { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 768px) {
    .section { padding: 64px 0; }
    .cards-3, .features-grid { grid-template-columns: 1fr; }
    .market-grid { grid-template-columns: repeat(2, 1fr); }
    .traction-grid { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: 1fr; }
    .cloud-grid { grid-template-columns: 1fr; }
    .steps { flex-direction: column; align-items: center; }
    .step-arrow { transform: rotate(90deg); margin: 0; }
    .hero-stats { padding: 20px; }
    .hstat { padding: 0 16px; }
    .hstat-num { font-size: 1.5rem; }
}
@media (max-width: 480px) {
    .market-grid { grid-template-columns: 1fr; }
    .traction-grid { grid-template-columns: 1fr; }
    .hero-stats { flex-direction: column; gap: 20px; }
    .hstat-sep { width: 60px; height: 1px; }
    .contact-form { padding: 24px; }
}