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

:root {
    --black: #0D1B2A;     /* Midnight Navy */
    --gold: #00D4FF;      /* Electric Cyan */
    --gold-dim: #00A8CC;  /* Electric Cyan Dim */
    --white: #FFFFFF;
    --off-white: #F0F4F8; /* Blue-tinted page background */
    --muted: #6B8099;     /* Blue-muted text */
    --border: #C8D6E5;    /* Blue-tinted borders */
    --error: #d94f3d;
}

html, body {
    height: 100%;
    font-family: 'Fira Sans', 'DM Sans', sans-serif;
    background: var(--off-white);
    overflow-x: hidden;
}

/* ─── Layout ─────────────────────────────────────── */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    height: 100vh;
}

@media (max-width: 991px) {
    .split {
        grid-template-columns: 1fr;
        height: auto;
    }
}

/* ─── Left Panel ─────────────────────────────────── */
.left-panel {
    background: var(--black);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: clamp(2rem, 5vw, 4rem);
}

/* Abstract Tech background */
.hex-bg {
    position: absolute;
    inset: 0;
    background-color: var(--black);
    background-image:
    radial-gradient(120% 80% at 85% 15%, rgba(0, 212, 255, 0.06), transparent 55%),
    radial-gradient(90% 70% at 10% 90%, rgba(0, 212, 255, 0.05), transparent 50%);
    overflow: hidden;
}

.hex-bg::before, .hex-bg::after {
    content: "";
    position: absolute;
    width: 600px;
    height: 150px;
    border-radius: 100px;
    opacity: 0.15;
    transform: rotate(-45deg);
}

.hex-bg::before {
    background: var(--gold);
    top: -50px;
    right: -100px;
}

.hex-bg::after {
    background: var(--gold); /* Lime accent */
    bottom: -50px;
    left: -100px;
}

/* Gold accent ring */
.accent-ring {
    position: absolute;
    width: 600px; height: 600px;
    border-radius: 50%;
    border: 1px solid rgba(0, 212, 255, 0.1);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 8s ease-in-out infinite;
}
.accent-ring:nth-child(2) { width: 400px; height: 400px; animation-delay: -2s; border-color: rgba(0, 212, 255, 0.05); }
.accent-ring:nth-child(3) { width: 200px; height: 200px; animation-delay: -4s; border-color: rgba(0, 212, 255, 0.15); }
@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    50%       { transform: translate(-50%, -50%) scale(1.1); opacity: 0.5; }
}

/* Top wordmark */
.left-wordmark {
    position: relative;
    z-index: 2;
}
.left-wordmark .brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}
.hex-icon {
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.brand-name {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--white);
    letter-spacing: 0.02em;
}

/* Center hero text */
.left-hero {
    position: relative;
    z-index: 2;
    margin: 4rem 0;
}
.left-hero .eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
}
.left-hero .eyebrow::before {
    content: '';
    display: block;
    width: 40px; height: 2px;
    background: var(--gold);
}
.left-hero h2 {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: var(--white);
    line-height: 1;
    letter-spacing: -0.03em;
}
.left-hero h2 span {
    color: var(--gold);
}
.left-hero p {
    margin-top: 2rem;
    font-size: 1.1rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.6;
    max-width: 400px;
}

/* ─── Right Panel ─────────────────────────────────── */
.right-panel {
    background: var(--off-white);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(2rem, 5vw, 5rem);
    position: relative;
    overflow: hidden;
}

.right-panel::before {
    content: '';
    position: absolute;
    top: -100px; right: -100px;
    width: 400px; height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.form-container {
    width: 100%;
    max-width: 520px;
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

.form-header {
    margin-bottom: 2.5rem;
}
.form-header .tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold-dim);
    background: rgba(0, 212, 255, 0.08);
    padding: 6px 12px;
    border-radius: 4px;
    margin-bottom: 1.25rem;
}
.form-header h1 {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: clamp(2rem, 5vw, 2.75rem);
    color: var(--black);
    letter-spacing: -0.02em;
    line-height: 1;
}
.form-header p {
    margin-top: 1rem;
    font-size: 1rem;
    color: var(--muted);
}
.form-header a {
    color: var(--black);
    font-weight: 700;
    text-decoration: none;
    border-bottom: 2px solid var(--gold);
    transition: all 0.2s;
}
.form-header a:hover {
    color: var(--gold-dim);
    border-bottom-color: var(--black);
}

/* Fields */
.field-group {
    margin-bottom: 1.25rem;
}

.name-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

@media (max-width: 575px) {
    .name-grid { grid-template-columns: 1fr; gap: 0; }
}

.field-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--black);
    margin-bottom: 0.75rem;
}
.field-label .req { color: var(--error); }

.field-wrap {
    position: relative;
}
.field-wrap .field-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted);
    font-size: 1.2rem;
    pointer-events: none;
    transition: color 0.2s;
}
.field-wrap input, .field-wrap select, .field-wrap textarea {
    width: 100%;
    min-height: 52px;
    padding: 13px 16px 13px 48px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    background: var(--white);
    font-family: 'Fira Sans', sans-serif;
    font-size: 1rem;
    color: var(--black);
    outline: none;
    transition: all 0.2s;
}
.field-wrap input:focus, .field-wrap select:focus, .field-wrap textarea:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.1);
}

/* Password meter */
.password-meter {
    display: flex;
    gap: 6px;
    margin-top: 12px;
}
.meter-section {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: #E6F4FF;
    transition: all 0.3s;
}
.meter-section.active.weak { background-color: #ff4d4d; }
.meter-section.active.medium { background-color: #ffa500; }
.meter-section.active.strong { background-color: #9acd32; }
.meter-section.active.very-strong { background-color: #008000; }

/* Submit button */
.btn-submit {
    width: 100%;
    min-height: 54px;
    padding: 15px;
    background: var(--black);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex; align-items: center; justify-content: center; gap: 12px;
    position: relative;
    overflow: hidden;
}

.btn-submit:hover {
    background: var(--gold);
    color: var(--black);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 212, 255, 0.2);
}

.btn-submit i { transition: transform 0.3s; }
.btn-submit:hover:not(:disabled) i { transform: translateX(5px); }

.btn-submit:disabled,
.btn-submit[disabled] {
    background: var(--border);
    color: var(--muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    pointer-events: none;
}

/* ─── Responsive ──────────────────────────────────── */
@media (max-width: 991px) {
    html, body { overflow: auto; }
    .left-panel {
        min-height: 400px;
        padding: 3rem 2rem;
    }
    .left-hero { margin: 2rem 0; }
    .right-panel {
        padding: 4rem 1.5rem;
    }
}

@media (max-width: 575px) {
    .left-panel { min-height: 300px; padding: 2rem 1.5rem; }
    .left-hero h2 { font-size: 2.25rem; }
    .form-header h1 { font-size: 2rem; }
}